diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 7849 |
1 files changed, 5379 insertions, 2470 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index bede11e16349..b1460b16dd91 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2025 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * @@ -30,14 +30,17 @@ #include <linux/kthread.h> #include <linux/pci.h> #include <linux/spinlock.h> +#include <linux/sched/clock.h> #include <linux/ctype.h> -#include <linux/aer.h> #include <linux/slab.h> #include <linux/firmware.h> #include <linux/miscdevice.h> #include <linux/percpu.h> -#include <linux/msi.h> +#include <linux/irq.h> #include <linux/bitops.h> +#include <linux/crash_dump.h> +#include <linux/cpu.h> +#include <linux/cpuhotplug.h> #include <scsi/scsi.h> #include <scsi/scsi_device.h> @@ -46,8 +49,6 @@ #include <scsi/scsi_tcq.h> #include <scsi/fc/fc_fs.h> -#include <linux/nvme-fc-driver.h> - #include "lpfc_hw4.h" #include "lpfc_hw.h" #include "lpfc_sli.h" @@ -57,23 +58,20 @@ #include "lpfc.h" #include "lpfc_scsi.h" #include "lpfc_nvme.h" -#include "lpfc_nvmet.h" #include "lpfc_logmsg.h" #include "lpfc_crtn.h" #include "lpfc_vport.h" #include "lpfc_version.h" #include "lpfc_ids.h" -char *_dump_buf_data; -unsigned long _dump_buf_data_order; -char *_dump_buf_dif; -unsigned long _dump_buf_dif_order; -spinlock_t _dump_buf_lock; - +static enum cpuhp_state lpfc_cpuhp_state; /* Used when mapping IRQ vectors in a driver centric manner */ -uint16_t *lpfc_used_cpu; -uint32_t lpfc_present_cpu; +static uint32_t lpfc_present_cpu; +static bool lpfc_pldv_detect; +static void __lpfc_cpuhp_remove(struct lpfc_hba *phba); +static void lpfc_cpuhp_remove(struct lpfc_hba *phba); +static void lpfc_cpuhp_add(struct lpfc_hba *phba); static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); static int lpfc_post_rcv_buf(struct lpfc_hba *); static int lpfc_sli4_queue_verify(struct lpfc_hba *); @@ -93,11 +91,18 @@ static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *); static void lpfc_sli4_disable_intr(struct lpfc_hba *); static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *, uint32_t); static void lpfc_sli4_oas_verify(struct lpfc_hba *phba); +static uint16_t lpfc_find_cpu_handle(struct lpfc_hba *, uint16_t, int); +static void lpfc_setup_bg(struct lpfc_hba *, struct Scsi_Host *); +static int lpfc_sli4_cgn_parm_chg_evt(struct lpfc_hba *); +static void lpfc_sli4_async_cmstat_evt(struct lpfc_hba *phba); +static void lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba); static struct scsi_transport_template *lpfc_transport_template = NULL; static struct scsi_transport_template *lpfc_vport_transport_template = NULL; static DEFINE_IDR(lpfc_hba_index); #define LPFC_NVMET_BUF_POST 254 +static int lpfc_vmid_res_alloc(struct lpfc_hba *phba, struct lpfc_vport *vport); +static void lpfc_cgn_update_tstamp(struct lpfc_hba *phba, struct lpfc_cgn_ts *ts); /** * lpfc_config_port_prep - Perform lpfc initialization prior to config port @@ -153,7 +158,7 @@ lpfc_config_port_prep(struct lpfc_hba *phba) rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); if (rc != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0324 Config Port initialization " "error, mbxCmd x%x READ_NVPARM, " "mbxStatus x%x\n", @@ -177,7 +182,7 @@ lpfc_config_port_prep(struct lpfc_hba *phba) lpfc_read_rev(phba, pmb); rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); if (rc != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0439 Adapter failed to init, mbxCmd x%x " "READ_REV, mbxStatus x%x\n", mb->mbxCommand, mb->mbxStatus); @@ -192,7 +197,7 @@ lpfc_config_port_prep(struct lpfc_hba *phba) */ if (mb->un.varRdRev.rr == 0) { vp->rev.rBit = 0; - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0440 Adapter failed to init, READ_REV has " "missing revision information.\n"); mempool_free(pmb, phba->mbox_mem_pool); @@ -253,6 +258,7 @@ lpfc_config_port_prep(struct lpfc_hba *phba) */ if (mb->un.varDmp.word_cnt == 0) break; + if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, @@ -260,6 +266,7 @@ lpfc_config_port_prep(struct lpfc_hba *phba) mb->un.varDmp.word_cnt); offset += mb->un.varDmp.word_cnt; } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); + lpfc_parse_vpd(phba, lpfc_vpd_data, offset); kfree(lpfc_vpd_data); @@ -319,8 +326,7 @@ lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) prog_id_word = pmboxq->u.mb.un.varWords[7]; /* Decode the Option rom version word to a readable string */ - if (prg->dist < 4) - dist = dist_char[prg->dist]; + dist = dist_char[prg->dist]; if ((prg->dist == 3) && (prg->num == 0)) snprintf(phba->OptionROMVersion, 32, "%d.%d%d", @@ -335,7 +341,6 @@ lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) /** * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname, - * cfg_soft_wwnn, cfg_soft_wwpn * @vport: pointer to lpfc vport data structure. * * @@ -345,22 +350,13 @@ lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) void lpfc_update_vport_wwn(struct lpfc_vport *vport) { - uint8_t vvvl = vport->fc_sparam.cmn.valid_vendor_ver_level; - u32 *fawwpn_key = (u32 *)&vport->fc_sparam.un.vendorVersion[0]; - - /* If the soft name exists then update it using the service params */ - if (vport->phba->cfg_soft_wwnn) - u64_to_wwn(vport->phba->cfg_soft_wwnn, - vport->fc_sparam.nodeName.u.wwn); - if (vport->phba->cfg_soft_wwpn) - u64_to_wwn(vport->phba->cfg_soft_wwpn, - vport->fc_sparam.portName.u.wwn); + struct lpfc_hba *phba = vport->phba; /* * If the name is empty or there exists a soft name * then copy the service params name, otherwise use the fc name */ - if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn) + if (vport->fc_nodename.u.wwn[0] == 0) memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, sizeof(struct lpfc_name)); else @@ -373,22 +369,35 @@ lpfc_update_vport_wwn(struct lpfc_vport *vport) */ if (vport->fc_portname.u.wwn[0] != 0 && memcmp(&vport->fc_portname, &vport->fc_sparam.portName, - sizeof(struct lpfc_name))) + sizeof(struct lpfc_name))) { vport->vport_flag |= FAWWPN_PARAM_CHG; - if (vport->fc_portname.u.wwn[0] == 0 || - vport->phba->cfg_soft_wwpn || - (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) || - vport->vport_flag & FAWWPN_SET) { + if (phba->sli_rev == LPFC_SLI_REV4 && + vport->port_type == LPFC_PHYSICAL_PORT && + phba->sli4_hba.fawwpn_flag & LPFC_FAWWPN_FABRIC) { + if (!(phba->sli4_hba.fawwpn_flag & LPFC_FAWWPN_CONFIG)) + phba->sli4_hba.fawwpn_flag &= + ~LPFC_FAWWPN_FABRIC; + lpfc_printf_log(phba, KERN_INFO, + LOG_SLI | LOG_DISCOVERY | LOG_ELS, + "2701 FA-PWWN change WWPN from %llx to " + "%llx: vflag x%x fawwpn_flag x%x\n", + wwn_to_u64(vport->fc_portname.u.wwn), + wwn_to_u64 + (vport->fc_sparam.portName.u.wwn), + vport->vport_flag, + phba->sli4_hba.fawwpn_flag); + memcpy(&vport->fc_portname, &vport->fc_sparam.portName, + sizeof(struct lpfc_name)); + } + } + + if (vport->fc_portname.u.wwn[0] == 0) memcpy(&vport->fc_portname, &vport->fc_sparam.portName, - sizeof(struct lpfc_name)); - vport->vport_flag &= ~FAWWPN_SET; - if (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) - vport->vport_flag |= FAWWPN_SET; - } + sizeof(struct lpfc_name)); else memcpy(&vport->fc_sparam.portName, &vport->fc_portname, - sizeof(struct lpfc_name)); + sizeof(struct lpfc_name)); } /** @@ -442,20 +451,21 @@ lpfc_config_port_post(struct lpfc_hba *phba) pmb->vport = vport; if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0448 Adapter failed init, mbxCmd x%x " "READ_SPARM mbxStatus x%x\n", mb->mbxCommand, mb->mbxStatus); phba->link_state = LPFC_HBA_ERROR; - mp = (struct lpfc_dmabuf *)pmb->ctx_buf; - mempool_free(pmb, phba->mbox_mem_pool); - lpfc_mbuf_free(phba, mp->virt, mp->phys); - kfree(mp); + lpfc_mbox_rsrc_cleanup(phba, pmb, MBOX_THD_UNLOCKED); return -EIO; } - mp = (struct lpfc_dmabuf *)pmb->ctx_buf; + mp = pmb->ctx_buf; + /* This dmabuf was allocated by lpfc_read_sparam. The dmabuf is no + * longer needed. Prevent unintended ctx_buf access as the mbox is + * reused. + */ memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); @@ -496,7 +506,7 @@ lpfc_config_port_post(struct lpfc_hba *phba) lpfc_read_config(phba, pmb); pmb->vport = vport; if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0453 Adapter failed to init, mbxCmd x%x " "READ_CONFIG, mbxStatus x%x\n", mb->mbxCommand, mb->mbxStatus); @@ -509,21 +519,12 @@ lpfc_config_port_post(struct lpfc_hba *phba) lpfc_sli_read_link_ste(phba); /* Reset the DFT_HBA_Q_DEPTH to the max xri */ - i = (mb->un.varRdConfig.max_xri + 1); - if (phba->cfg_hba_queue_depth > i) { + if (phba->cfg_hba_queue_depth > mb->un.varRdConfig.max_xri) { lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, "3359 HBA queue depth changed from %d to %d\n", - phba->cfg_hba_queue_depth, i); - phba->cfg_hba_queue_depth = i; - } - - /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */ - i = (mb->un.varRdConfig.max_xri >> 3); - if (phba->pport->cfg_lun_queue_depth > i) { - lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, - "3360 LUN queue depth changed from %d to %d\n", - phba->pport->cfg_lun_queue_depth, i); - phba->pport->cfg_lun_queue_depth = i; + phba->cfg_hba_queue_depth, + mb->un.varRdConfig.max_xri); + phba->cfg_hba_queue_depth = mb->un.varRdConfig.max_xri; } phba->lmt = mb->un.varRdConfig.lmt; @@ -554,7 +555,7 @@ lpfc_config_port_post(struct lpfc_hba *phba) } rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); if (rc != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0352 Config MSI mailbox command " "failed, mbxCmd x%x, mbxStatus x%x\n", pmb->u.mb.mbxCommand, @@ -566,7 +567,7 @@ lpfc_config_port_post(struct lpfc_hba *phba) spin_lock_irq(&phba->hbalock); /* Initialize ERATT handling flag */ - phba->hba_flag &= ~HBA_ERATT_HANDLED; + clear_bit(HBA_ERATT_HANDLED, &phba->hba_flag); /* Enable appropriate host interrupts */ if (lpfc_readl(phba->HCregaddr, &status)) { @@ -594,28 +595,27 @@ lpfc_config_port_post(struct lpfc_hba *phba) /* Set up ring-0 (ELS) timer */ timeout = phba->fc_ratov * 2; mod_timer(&vport->els_tmofunc, - jiffies + msecs_to_jiffies(1000 * timeout)); + jiffies + secs_to_jiffies(timeout)); /* Set up heart beat (HB) timer */ mod_timer(&phba->hb_tmofunc, - jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); - phba->hb_outstanding = 0; + jiffies + secs_to_jiffies(LPFC_HB_MBOX_INTERVAL)); + clear_bit(HBA_HBEAT_INP, &phba->hba_flag); + clear_bit(HBA_HBEAT_TMO, &phba->hba_flag); phba->last_completion_time = jiffies; /* Set up error attention (ERATT) polling timer */ mod_timer(&phba->eratt_poll, - jiffies + msecs_to_jiffies(1000 * phba->eratt_poll_interval)); + jiffies + secs_to_jiffies(phba->eratt_poll_interval)); - if (phba->hba_flag & LINK_DISABLED) { - lpfc_printf_log(phba, - KERN_ERR, LOG_INIT, - "2598 Adapter Link is disabled.\n"); + if (test_bit(LINK_DISABLED, &phba->hba_flag)) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "2598 Adapter Link is disabled.\n"); lpfc_down_link(phba, pmb); pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { - lpfc_printf_log(phba, - KERN_ERR, LOG_INIT, - "2599 Adapter failed to issue DOWN_LINK" - " mbox command rc 0x%x\n", rc); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "2599 Adapter failed to issue DOWN_LINK" + " mbox command rc 0x%x\n", rc); mempool_free(pmb, phba->mbox_mem_pool); return -EIO; @@ -639,9 +639,7 @@ lpfc_config_port_post(struct lpfc_hba *phba) rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { - lpfc_printf_log(phba, - KERN_ERR, - LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0456 Adapter failed to issue " "ASYNCEVT_ENABLE mbox status x%x\n", rc); @@ -661,7 +659,8 @@ lpfc_config_port_post(struct lpfc_hba *phba) rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0435 Adapter failed " + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0435 Adapter failed " "to get Option ROM version status x%x\n", rc); mempool_free(pmb, phba->mbox_mem_pool); } @@ -670,6 +669,58 @@ lpfc_config_port_post(struct lpfc_hba *phba) } /** + * lpfc_sli4_refresh_params - update driver copy of params. + * @phba: Pointer to HBA context object. + * + * This is called to refresh driver copy of dynamic fields from the + * common_get_sli4_parameters descriptor. + **/ +int +lpfc_sli4_refresh_params(struct lpfc_hba *phba) +{ + LPFC_MBOXQ_t *mboxq; + struct lpfc_mqe *mqe; + struct lpfc_sli4_parameters *mbx_sli4_parameters; + int length, rc; + + mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mboxq) + return -ENOMEM; + + mqe = &mboxq->u.mqe; + /* Read the port's SLI4 Config Parameters */ + length = (sizeof(struct lpfc_mbx_get_sli4_parameters) - + sizeof(struct lpfc_sli4_cfg_mhdr)); + lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, + LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS, + length, LPFC_SLI4_MBX_EMBED); + + rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); + if (unlikely(rc)) { + mempool_free(mboxq, phba->mbox_mem_pool); + return rc; + } + mbx_sli4_parameters = &mqe->un.get_sli4_parameters.sli4_parameters; + phba->sli4_hba.pc_sli4_params.mi_cap = + bf_get(cfg_mi_ver, mbx_sli4_parameters); + + /* Are we forcing MI off via module parameter? */ + if (phba->cfg_enable_mi) + phba->sli4_hba.pc_sli4_params.mi_ver = + bf_get(cfg_mi_ver, mbx_sli4_parameters); + else + phba->sli4_hba.pc_sli4_params.mi_ver = 0; + + phba->sli4_hba.pc_sli4_params.cmf = + bf_get(cfg_cmf, mbx_sli4_parameters); + phba->sli4_hba.pc_sli4_params.pls = + bf_get(cfg_pvl, mbx_sli4_parameters); + + mempool_free(mboxq, phba->mbox_mem_pool); + return rc; +} + +/** * lpfc_hba_init_link - Initialize the FC link * @phba: pointer to lpfc hba data structure. * @flag: mailbox command issue mode - either MBX_POLL or MBX_NOWAIT @@ -739,10 +790,10 @@ lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology, ((phba->cfg_link_speed == LPFC_USER_LINK_SPEED_64G) && !(phba->lmt & LMT_64Gb))) { /* Reset link speed to auto */ - lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, - "1302 Invalid speed for this board:%d " - "Reset link speed to auto.\n", - phba->cfg_link_speed); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "1302 Invalid speed for this board:%d " + "Reset link speed to auto.\n", + phba->cfg_link_speed); phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; } lpfc_init_link(phba, pmb, fc_topology, phba->cfg_link_speed); @@ -751,10 +802,10 @@ lpfc_hba_init_link_fc_topology(struct lpfc_hba *phba, uint32_t fc_topology, lpfc_set_loopback_flag(phba); rc = lpfc_sli_issue_mbox(phba, pmb, flag); if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0498 Adapter failed to init, mbxCmd x%x " - "INIT_LINK, mbxStatus x%x\n", - mb->mbxCommand, mb->mbxStatus); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0498 Adapter failed to init, mbxCmd x%x " + "INIT_LINK, mbxStatus x%x\n", + mb->mbxCommand, mb->mbxStatus); if (phba->sli_rev <= LPFC_SLI_REV3) { /* Clear all interrupt enable conditions */ writel(0, phba->HCregaddr); @@ -800,17 +851,15 @@ lpfc_hba_down_link(struct lpfc_hba *phba, uint32_t flag) return -ENOMEM; } - lpfc_printf_log(phba, - KERN_ERR, LOG_INIT, - "0491 Adapter Link is disabled.\n"); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0491 Adapter Link is disabled.\n"); lpfc_down_link(phba, pmb); pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; rc = lpfc_sli_issue_mbox(phba, pmb, flag); if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) { - lpfc_printf_log(phba, - KERN_ERR, LOG_INIT, - "2522 Adapter failed to issue DOWN_LINK" - " mbox command rc 0x%x\n", rc); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "2522 Adapter failed to issue DOWN_LINK" + " mbox command rc 0x%x\n", rc); mempool_free(pmb, phba->mbox_mem_pool); return -EIO; @@ -844,7 +893,7 @@ lpfc_hba_down_prep(struct lpfc_hba *phba) readl(phba->HCregaddr); /* flush */ } - if (phba->pport->load_flag & FC_UNLOADING) + if (test_bit(FC_UNLOADING, &phba->pport->load_flag)) lpfc_cleanup_discovery_resources(phba->pport); else { vports = lpfc_create_vport_work_array(phba); @@ -877,9 +926,7 @@ lpfc_sli4_free_sp_events(struct lpfc_hba *phba) struct hbq_dmabuf *dmabuf; struct lpfc_cq_event *cq_event; - spin_lock_irq(&phba->hbalock); - phba->hba_flag &= ~HBA_SP_QUEUE_EVT; - spin_unlock_irq(&phba->hbalock); + clear_bit(HBA_SP_QUEUE_EVT, &phba->hba_flag); while (!list_empty(&phba->sli4_hba.sp_queue_event)) { /* Get the response iocb from the head of work queue */ @@ -992,7 +1039,7 @@ lpfc_hba_clean_txcmplq(struct lpfc_hba *phba) spin_lock_irq(&pring->ring_lock); list_for_each_entry_safe(piocb, next_iocb, &pring->txcmplq, list) - piocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; + piocb->cmd_flag &= ~LPFC_IO_ON_TXCMPLQ; list_splice_init(&pring->txcmplq, &completions); pring->txcmplq_cnt = 0; spin_unlock_irq(&pring->ring_lock); @@ -1005,7 +1052,6 @@ lpfc_hba_clean_txcmplq(struct lpfc_hba *phba) /** * lpfc_hba_down_post_s3 - Perform lpfc uninitialization after HBA reset - int i; * @phba: pointer to lpfc HBA data structure. * * This routine will do uninitialization after the HBA is reset when bring @@ -1037,14 +1083,14 @@ lpfc_hba_down_post_s3(struct lpfc_hba *phba) static int lpfc_hba_down_post_s4(struct lpfc_hba *phba) { - struct lpfc_scsi_buf *psb, *psb_next; - struct lpfc_nvmet_rcv_ctx *ctxp, *ctxp_next; + struct lpfc_io_buf *psb, *psb_next; + struct lpfc_async_xchg_ctx *ctxp, *ctxp_next; + struct lpfc_sli4_hdw_queue *qp; LIST_HEAD(aborts); LIST_HEAD(nvme_aborts); LIST_HEAD(nvmet_aborts); - unsigned long iflag = 0; struct lpfc_sglq *sglq_entry = NULL; - int cnt; + int cnt, idx; lpfc_sli_hbqbuf_free_all(phba); @@ -1056,12 +1102,11 @@ lpfc_hba_down_post_s4(struct lpfc_hba *phba) * driver is unloading or reposted if the driver is restarting * the port. */ - spin_lock_irq(&phba->hbalock); /* required for lpfc_els_sgl_list and */ - /* scsl_buf_list */ + /* sgl_list_lock required because worker thread uses this * list. */ - spin_lock(&phba->sli4_hba.sgl_list_lock); + spin_lock_irq(&phba->sli4_hba.sgl_list_lock); list_for_each_entry(sglq_entry, &phba->sli4_hba.lpfc_abts_els_sgl_list, list) sglq_entry->state = SGL_FREED; @@ -1070,56 +1115,49 @@ lpfc_hba_down_post_s4(struct lpfc_hba *phba) &phba->sli4_hba.lpfc_els_sgl_list); - spin_unlock(&phba->sli4_hba.sgl_list_lock); - /* abts_scsi_buf_list_lock required because worker thread uses this + spin_unlock_irq(&phba->sli4_hba.sgl_list_lock); + + /* abts_xxxx_buf_list_lock required because worker thread uses this * list. */ - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { - spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock); - list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list, - &aborts); - spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock); - } - - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { - spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); - list_splice_init(&phba->sli4_hba.lpfc_abts_nvme_buf_list, - &nvme_aborts); - list_splice_init(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list, - &nvmet_aborts); - spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); - } - - spin_unlock_irq(&phba->hbalock); + spin_lock_irq(&phba->hbalock); + cnt = 0; + for (idx = 0; idx < phba->cfg_hdw_queue; idx++) { + qp = &phba->sli4_hba.hdwq[idx]; - list_for_each_entry_safe(psb, psb_next, &aborts, list) { - psb->pCmd = NULL; - psb->status = IOSTAT_SUCCESS; - } - spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag); - list_splice(&aborts, &phba->lpfc_scsi_buf_list_put); - spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag); + spin_lock(&qp->abts_io_buf_list_lock); + list_splice_init(&qp->lpfc_abts_io_buf_list, + &aborts); - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { - cnt = 0; - list_for_each_entry_safe(psb, psb_next, &nvme_aborts, list) { + list_for_each_entry_safe(psb, psb_next, &aborts, list) { psb->pCmd = NULL; psb->status = IOSTAT_SUCCESS; cnt++; } - spin_lock_irqsave(&phba->nvme_buf_list_put_lock, iflag); - phba->put_nvme_bufs += cnt; - list_splice(&nvme_aborts, &phba->lpfc_nvme_buf_list_put); - spin_unlock_irqrestore(&phba->nvme_buf_list_put_lock, iflag); + spin_lock(&qp->io_buf_list_put_lock); + list_splice_init(&aborts, &qp->lpfc_io_buf_list_put); + qp->put_io_bufs += qp->abts_scsi_io_bufs; + qp->put_io_bufs += qp->abts_nvme_io_bufs; + qp->abts_scsi_io_bufs = 0; + qp->abts_nvme_io_bufs = 0; + spin_unlock(&qp->io_buf_list_put_lock); + spin_unlock(&qp->abts_io_buf_list_lock); + } + spin_unlock_irq(&phba->hbalock); + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { + spin_lock_irq(&phba->sli4_hba.abts_nvmet_buf_list_lock); + list_splice_init(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list, + &nvmet_aborts); + spin_unlock_irq(&phba->sli4_hba.abts_nvmet_buf_list_lock); list_for_each_entry_safe(ctxp, ctxp_next, &nvmet_aborts, list) { - ctxp->flag &= ~(LPFC_NVMET_XBUSY | LPFC_NVMET_ABORT_OP); + ctxp->flag &= ~(LPFC_NVME_XBUSY | LPFC_NVME_ABORT_OP); lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); } } lpfc_sli4_free_sp_events(phba); - return 0; + return cnt; } /** @@ -1141,7 +1179,7 @@ lpfc_hba_down_post(struct lpfc_hba *phba) /** * lpfc_hb_timeout - The HBA-timer timeout handler - * @ptr: unsigned long holds the pointer to lpfc hba data structure. + * @t: timer context used to obtain the pointer to lpfc hba data structure. * * This is the HBA-timer timeout handler registered to the lpfc driver. When * this timer fires, a HBA timeout event shall be posted to the lpfc driver @@ -1158,7 +1196,7 @@ lpfc_hb_timeout(struct timer_list *t) uint32_t tmo_posted; unsigned long iflag; - phba = from_timer(phba, t, hb_tmofunc); + phba = timer_container_of(phba, t, hb_tmofunc); /* Check for heart beat timeout conditions */ spin_lock_irqsave(&phba->pport->work_port_lock, iflag); @@ -1175,7 +1213,7 @@ lpfc_hb_timeout(struct timer_list *t) /** * lpfc_rrq_timeout - The RRQ-timer timeout handler - * @ptr: unsigned long holds the pointer to lpfc hba data structure. + * @t: timer context used to obtain the pointer to lpfc hba data structure. * * This is the RRQ-timer timeout handler registered to the lpfc driver. When * this timer fires, a RRQ timeout event shall be posted to the lpfc driver @@ -1189,18 +1227,15 @@ static void lpfc_rrq_timeout(struct timer_list *t) { struct lpfc_hba *phba; - unsigned long iflag; - phba = from_timer(phba, t, rrq_tmr); - spin_lock_irqsave(&phba->pport->work_port_lock, iflag); - if (!(phba->pport->load_flag & FC_UNLOADING)) - phba->hba_flag |= HBA_RRQ_ACTIVE; - else - phba->hba_flag &= ~HBA_RRQ_ACTIVE; - spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); + phba = timer_container_of(phba, t, rrq_tmr); + if (test_bit(FC_UNLOADING, &phba->pport->load_flag)) { + clear_bit(HBA_RRQ_ACTIVE, &phba->hba_flag); + return; + } - if (!(phba->pport->load_flag & FC_UNLOADING)) - lpfc_worker_wake_up(phba); + set_bit(HBA_RRQ_ACTIVE, &phba->hba_flag); + lpfc_worker_wake_up(phba); } /** @@ -1222,23 +1257,238 @@ lpfc_rrq_timeout(struct timer_list *t) static void lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) { - unsigned long drvr_flag; + clear_bit(HBA_HBEAT_INP, &phba->hba_flag); + clear_bit(HBA_HBEAT_TMO, &phba->hba_flag); - spin_lock_irqsave(&phba->hbalock, drvr_flag); - phba->hb_outstanding = 0; - spin_unlock_irqrestore(&phba->hbalock, drvr_flag); - - /* Check and reset heart-beat timer is necessary */ + /* Check and reset heart-beat timer if necessary */ mempool_free(pmboxq, phba->mbox_mem_pool); - if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && - !(phba->link_state == LPFC_HBA_ERROR) && - !(phba->pport->load_flag & FC_UNLOADING)) + if (!test_bit(FC_OFFLINE_MODE, &phba->pport->fc_flag) && + !(phba->link_state == LPFC_HBA_ERROR) && + !test_bit(FC_UNLOADING, &phba->pport->load_flag)) mod_timer(&phba->hb_tmofunc, jiffies + - msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); + secs_to_jiffies(LPFC_HB_MBOX_INTERVAL)); return; } +/* + * lpfc_idle_stat_delay_work - idle_stat tracking + * + * This routine tracks per-eq idle_stat and determines polling decisions. + * + * Return codes: + * None + **/ +static void +lpfc_idle_stat_delay_work(struct work_struct *work) +{ + struct lpfc_hba *phba = container_of(to_delayed_work(work), + struct lpfc_hba, + idle_stat_delay_work); + struct lpfc_queue *eq; + struct lpfc_sli4_hdw_queue *hdwq; + struct lpfc_idle_stat *idle_stat; + u32 i, idle_percent; + u64 wall, wall_idle, diff_wall, diff_idle, busy_time; + + if (test_bit(FC_UNLOADING, &phba->pport->load_flag)) + return; + + if (phba->link_state == LPFC_HBA_ERROR || + test_bit(FC_OFFLINE_MODE, &phba->pport->fc_flag) || + phba->cmf_active_mode != LPFC_CFG_OFF) + goto requeue; + + for_each_present_cpu(i) { + hdwq = &phba->sli4_hba.hdwq[phba->sli4_hba.cpu_map[i].hdwq]; + eq = hdwq->hba_eq; + + /* Skip if we've already handled this eq's primary CPU */ + if (eq->chann != i) + continue; + + idle_stat = &phba->sli4_hba.idle_stat[i]; + + /* get_cpu_idle_time returns values as running counters. Thus, + * to know the amount for this period, the prior counter values + * need to be subtracted from the current counter values. + * From there, the idle time stat can be calculated as a + * percentage of 100 - the sum of the other consumption times. + */ + wall_idle = get_cpu_idle_time(i, &wall, 1); + diff_idle = wall_idle - idle_stat->prev_idle; + diff_wall = wall - idle_stat->prev_wall; + + if (diff_wall <= diff_idle) + busy_time = 0; + else + busy_time = diff_wall - diff_idle; + + idle_percent = div64_u64(100 * busy_time, diff_wall); + idle_percent = 100 - idle_percent; + + if (idle_percent < 15) + eq->poll_mode = LPFC_QUEUE_WORK; + else + eq->poll_mode = LPFC_THREADED_IRQ; + + idle_stat->prev_idle = wall_idle; + idle_stat->prev_wall = wall; + } + +requeue: + schedule_delayed_work(&phba->idle_stat_delay_work, + msecs_to_jiffies(LPFC_IDLE_STAT_DELAY)); +} + +static void +lpfc_hb_eq_delay_work(struct work_struct *work) +{ + struct lpfc_hba *phba = container_of(to_delayed_work(work), + struct lpfc_hba, eq_delay_work); + struct lpfc_eq_intr_info *eqi, *eqi_new; + struct lpfc_queue *eq, *eq_next; + unsigned char *ena_delay = NULL; + uint32_t usdelay; + int i; + + if (!phba->cfg_auto_imax || + test_bit(FC_UNLOADING, &phba->pport->load_flag)) + return; + + if (phba->link_state == LPFC_HBA_ERROR || + test_bit(FC_OFFLINE_MODE, &phba->pport->fc_flag)) + goto requeue; + + ena_delay = kcalloc(phba->sli4_hba.num_possible_cpu, sizeof(*ena_delay), + GFP_KERNEL); + if (!ena_delay) + goto requeue; + + for (i = 0; i < phba->cfg_irq_chann; i++) { + /* Get the EQ corresponding to the IRQ vector */ + eq = phba->sli4_hba.hba_eq_hdl[i].eq; + if (!eq) + continue; + if (eq->q_mode || eq->q_flag & HBA_EQ_DELAY_CHK) { + eq->q_flag &= ~HBA_EQ_DELAY_CHK; + ena_delay[eq->last_cpu] = 1; + } + } + + for_each_present_cpu(i) { + eqi = per_cpu_ptr(phba->sli4_hba.eq_info, i); + if (ena_delay[i]) { + usdelay = (eqi->icnt >> 10) * LPFC_EQ_DELAY_STEP; + if (usdelay > LPFC_MAX_AUTO_EQ_DELAY) + usdelay = LPFC_MAX_AUTO_EQ_DELAY; + } else { + usdelay = 0; + } + + eqi->icnt = 0; + + list_for_each_entry_safe(eq, eq_next, &eqi->list, cpu_list) { + if (unlikely(eq->last_cpu != i)) { + eqi_new = per_cpu_ptr(phba->sli4_hba.eq_info, + eq->last_cpu); + list_move_tail(&eq->cpu_list, &eqi_new->list); + continue; + } + if (usdelay != eq->q_mode) + lpfc_modify_hba_eq_delay(phba, eq->hdwq, 1, + usdelay); + } + } + + kfree(ena_delay); + +requeue: + queue_delayed_work(phba->wq, &phba->eq_delay_work, + msecs_to_jiffies(LPFC_EQ_DELAY_MSECS)); +} + +/** + * lpfc_hb_mxp_handler - Multi-XRI pools handler to adjust XRI distribution + * @phba: pointer to lpfc hba data structure. + * + * For each heartbeat, this routine does some heuristic methods to adjust + * XRI distribution. The goal is to fully utilize free XRIs. + **/ +static void lpfc_hb_mxp_handler(struct lpfc_hba *phba) +{ + u32 i; + u32 hwq_count; + + hwq_count = phba->cfg_hdw_queue; + for (i = 0; i < hwq_count; i++) { + /* Adjust XRIs in private pool */ + lpfc_adjust_pvt_pool_count(phba, i); + + /* Adjust high watermark */ + lpfc_adjust_high_watermark(phba, i); + +#ifdef LPFC_MXP_STAT + /* Snapshot pbl, pvt and busy count */ + lpfc_snapshot_mxp(phba, i); +#endif + } +} + +/** + * lpfc_issue_hb_mbox - Issues heart-beat mailbox command + * @phba: pointer to lpfc hba data structure. + * + * If a HB mbox is not already in progrees, this routine will allocate + * a LPFC_MBOXQ_t, populate it with a MBX_HEARTBEAT (0x31) command, + * and issue it. The HBA_HBEAT_INP flag means the command is in progress. + **/ +int +lpfc_issue_hb_mbox(struct lpfc_hba *phba) +{ + LPFC_MBOXQ_t *pmboxq; + int retval; + + /* Is a Heartbeat mbox already in progress */ + if (test_bit(HBA_HBEAT_INP, &phba->hba_flag)) + return 0; + + pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!pmboxq) + return -ENOMEM; + + lpfc_heart_beat(phba, pmboxq); + pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; + pmboxq->vport = phba->pport; + retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); + + if (retval != MBX_BUSY && retval != MBX_SUCCESS) { + mempool_free(pmboxq, phba->mbox_mem_pool); + return -ENXIO; + } + set_bit(HBA_HBEAT_INP, &phba->hba_flag); + + return 0; +} + +/** + * lpfc_issue_hb_tmo - Signals heartbeat timer to issue mbox command + * @phba: pointer to lpfc hba data structure. + * + * The heartbeat timer (every 5 sec) will fire. If the HBA_HBEAT_TMO + * flag is set, it will force a MBX_HEARTBEAT mbox command, regardless + * of the value of lpfc_enable_hba_heartbeat. + * If lpfc_enable_hba_heartbeat is set, the timeout routine will always + * try to issue a MBX_HEARTBEAT mbox command. + **/ +void +lpfc_issue_hb_tmo(struct lpfc_hba *phba) +{ + if (phba->cfg_enable_hba_heartbeat) + return; + set_bit(HBA_HBEAT_TMO, &phba->hba_flag); +} + /** * lpfc_hb_timeout_handler - The HBA-timer timeout handler * @phba: pointer to lpfc hba data structure. @@ -1259,153 +1509,29 @@ void lpfc_hb_timeout_handler(struct lpfc_hba *phba) { struct lpfc_vport **vports; - LPFC_MBOXQ_t *pmboxq; struct lpfc_dmabuf *buf_ptr; - int retval, i; + int retval = 0; + int i, tmo; struct lpfc_sli *psli = &phba->sli; LIST_HEAD(completions); - struct lpfc_queue *qp; - unsigned long time_elapsed; - uint32_t tick_cqe, max_cqe, val; - uint64_t tot, data1, data2, data3; - struct lpfc_nvmet_tgtport *tgtp; - struct lpfc_register reg_data; - struct nvme_fc_local_port *localport; - struct lpfc_nvme_lport *lport; - struct lpfc_nvme_ctrl_stat *cstat; - void __iomem *eqdreg = phba->sli4_hba.u.if_type2.EQDregaddr; + + if (phba->cfg_xri_rebalancing) { + /* Multi-XRI pools handler */ + lpfc_hb_mxp_handler(phba); + } vports = lpfc_create_vport_work_array(phba); if (vports != NULL) for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { lpfc_rcv_seq_check_edtov(vports[i]); - lpfc_fdmi_num_disc_check(vports[i]); + lpfc_fdmi_change_check(vports[i]); } lpfc_destroy_vport_work_array(phba, vports); - if ((phba->link_state == LPFC_HBA_ERROR) || - (phba->pport->load_flag & FC_UNLOADING) || - (phba->pport->fc_flag & FC_OFFLINE_MODE)) - return; - - if (phba->cfg_auto_imax) { - if (!phba->last_eqdelay_time) { - phba->last_eqdelay_time = jiffies; - goto skip_eqdelay; - } - time_elapsed = jiffies - phba->last_eqdelay_time; - phba->last_eqdelay_time = jiffies; - - tot = 0xffff; - /* Check outstanding IO count */ - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { - if (phba->nvmet_support) { - tgtp = phba->targetport->private; - /* Calculate outstanding IOs */ - tot = atomic_read(&tgtp->rcv_fcp_cmd_drop); - tot += atomic_read(&tgtp->xmt_fcp_release); - tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot; - } else { - localport = phba->pport->localport; - if (!localport || !localport->private) - goto skip_eqdelay; - lport = (struct lpfc_nvme_lport *) - localport->private; - tot = 0; - for (i = 0; - i < phba->cfg_nvme_io_channel; i++) { - cstat = &lport->cstat[i]; - data1 = atomic_read( - &cstat->fc4NvmeInputRequests); - data2 = atomic_read( - &cstat->fc4NvmeOutputRequests); - data3 = atomic_read( - &cstat->fc4NvmeControlRequests); - tot += (data1 + data2 + data3); - tot -= atomic_read( - &cstat->fc4NvmeIoCmpls); - } - } - } - - /* Interrupts per sec per EQ */ - val = phba->cfg_fcp_imax / phba->io_channel_irqs; - tick_cqe = val / CONFIG_HZ; /* Per tick per EQ */ - - /* Assume 1 CQE/ISR, calc max CQEs allowed for time duration */ - max_cqe = time_elapsed * tick_cqe; - - for (i = 0; i < phba->io_channel_irqs; i++) { - /* Fast-path EQ */ - qp = phba->sli4_hba.hba_eq[i]; - if (!qp) - continue; - - /* Use no EQ delay if we don't have many outstanding - * IOs, or if we are only processing 1 CQE/ISR or less. - * Otherwise, assume we can process up to lpfc_fcp_imax - * interrupts per HBA. - */ - if (tot < LPFC_NODELAY_MAX_IO || - qp->EQ_cqe_cnt <= max_cqe) - val = 0; - else - val = phba->cfg_fcp_imax; - - if (phba->sli.sli_flag & LPFC_SLI_USE_EQDR) { - /* Use EQ Delay Register method */ - - /* Convert for EQ Delay register */ - if (val) { - /* First, interrupts per sec per EQ */ - val = phba->cfg_fcp_imax / - phba->io_channel_irqs; - - /* us delay between each interrupt */ - val = LPFC_SEC_TO_USEC / val; - } - if (val != qp->q_mode) { - reg_data.word0 = 0; - bf_set(lpfc_sliport_eqdelay_id, - ®_data, qp->queue_id); - bf_set(lpfc_sliport_eqdelay_delay, - ®_data, val); - writel(reg_data.word0, eqdreg); - } - } else { - /* Use mbox command method */ - if (val != qp->q_mode) - lpfc_modify_hba_eq_delay(phba, i, - 1, val); - } - - /* - * val is cfg_fcp_imax or 0 for mbox delay or us delay - * between interrupts for EQDR. - */ - qp->q_mode = val; - qp->EQ_cqe_cnt = 0; - } - } - -skip_eqdelay: - spin_lock_irq(&phba->pport->work_port_lock); - - if (time_after(phba->last_completion_time + - msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL), - jiffies)) { - spin_unlock_irq(&phba->pport->work_port_lock); - if (!phba->hb_outstanding) - mod_timer(&phba->hb_tmofunc, - jiffies + - msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); - else - mod_timer(&phba->hb_tmofunc, - jiffies + - msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); + if (phba->link_state == LPFC_HBA_ERROR || + test_bit(FC_UNLOADING, &phba->pport->load_flag) || + test_bit(FC_OFFLINE_MODE, &phba->pport->fc_flag)) return; - } - spin_unlock_irq(&phba->pport->work_port_lock); if (phba->elsbuf_cnt && (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { @@ -1426,37 +1552,43 @@ skip_eqdelay: /* If there is no heart beat outstanding, issue a heartbeat command */ if (phba->cfg_enable_hba_heartbeat) { - if (!phba->hb_outstanding) { + /* If IOs are completing, no need to issue a MBX_HEARTBEAT */ + spin_lock_irq(&phba->pport->work_port_lock); + if (time_after(phba->last_completion_time + + secs_to_jiffies(LPFC_HB_MBOX_INTERVAL), + jiffies)) { + spin_unlock_irq(&phba->pport->work_port_lock); + if (test_bit(HBA_HBEAT_INP, &phba->hba_flag)) + tmo = (1000 * LPFC_HB_MBOX_TIMEOUT); + else + tmo = (1000 * LPFC_HB_MBOX_INTERVAL); + goto out; + } + spin_unlock_irq(&phba->pport->work_port_lock); + + /* Check if a MBX_HEARTBEAT is already in progress */ + if (test_bit(HBA_HBEAT_INP, &phba->hba_flag)) { + /* + * If heart beat timeout called with HBA_HBEAT_INP set + * we need to give the hb mailbox cmd a chance to + * complete or TMO. + */ + lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, + "0459 Adapter heartbeat still outstanding: " + "last compl time was %d ms.\n", + jiffies_to_msecs(jiffies + - phba->last_completion_time)); + tmo = (1000 * LPFC_HB_MBOX_TIMEOUT); + } else { if ((!(psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) && (list_empty(&psli->mboxq))) { - pmboxq = mempool_alloc(phba->mbox_mem_pool, - GFP_KERNEL); - if (!pmboxq) { - mod_timer(&phba->hb_tmofunc, - jiffies + - msecs_to_jiffies(1000 * - LPFC_HB_MBOX_INTERVAL)); - return; - } - lpfc_heart_beat(phba, pmboxq); - pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; - pmboxq->vport = phba->pport; - retval = lpfc_sli_issue_mbox(phba, pmboxq, - MBX_NOWAIT); - - if (retval != MBX_BUSY && - retval != MBX_SUCCESS) { - mempool_free(pmboxq, - phba->mbox_mem_pool); - mod_timer(&phba->hb_tmofunc, - jiffies + - msecs_to_jiffies(1000 * - LPFC_HB_MBOX_INTERVAL)); - return; + retval = lpfc_issue_hb_mbox(phba); + if (retval) { + tmo = (1000 * LPFC_HB_MBOX_INTERVAL); + goto out; } phba->skipped_hb = 0; - phba->hb_outstanding = 1; } else if (time_before_eq(phba->last_completion_time, phba->skipped_hb)) { lpfc_printf_log(phba, KERN_INFO, LOG_INIT, @@ -1467,30 +1599,23 @@ skip_eqdelay: } else phba->skipped_hb = jiffies; - mod_timer(&phba->hb_tmofunc, - jiffies + - msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); - return; - } else { - /* - * If heart beat timeout called with hb_outstanding set - * we need to give the hb mailbox cmd a chance to - * complete or TMO. - */ - lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, - "0459 Adapter heartbeat still out" - "standing:last compl time was %d ms.\n", - jiffies_to_msecs(jiffies - - phba->last_completion_time)); - mod_timer(&phba->hb_tmofunc, - jiffies + - msecs_to_jiffies(1000 * LPFC_HB_MBOX_TIMEOUT)); + tmo = (1000 * LPFC_HB_MBOX_TIMEOUT); + goto out; } } else { - mod_timer(&phba->hb_tmofunc, - jiffies + - msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); + /* Check to see if we want to force a MBX_HEARTBEAT */ + if (test_bit(HBA_HBEAT_TMO, &phba->hba_flag)) { + retval = lpfc_issue_hb_mbox(phba); + if (retval) + tmo = (1000 * LPFC_HB_MBOX_INTERVAL); + else + tmo = (1000 * LPFC_HB_MBOX_TIMEOUT); + goto out; + } + tmo = (1000 * LPFC_HB_MBOX_INTERVAL); } +out: + mod_timer(&phba->hb_tmofunc, jiffies + msecs_to_jiffies(tmo)); } /** @@ -1533,10 +1658,16 @@ void lpfc_sli4_offline_eratt(struct lpfc_hba *phba) { spin_lock_irq(&phba->hbalock); + if (phba->link_state == LPFC_HBA_ERROR && + test_bit(HBA_PCI_ERR, &phba->bit_flags)) { + spin_unlock_irq(&phba->hbalock); + return; + } phba->link_state = LPFC_HBA_ERROR; spin_unlock_irq(&phba->hbalock); lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); + lpfc_sli_flush_io_rings(phba); lpfc_offline(phba); lpfc_hba_down_post(phba); lpfc_unblock_mgmt_io(phba); @@ -1561,17 +1692,15 @@ lpfc_handle_deferred_eratt(struct lpfc_hba *phba) * since we cannot communicate with the pci card anyway. */ if (pci_channel_offline(phba->pcidev)) { - spin_lock_irq(&phba->hbalock); - phba->hba_flag &= ~DEFER_ERATT; - spin_unlock_irq(&phba->hbalock); + clear_bit(DEFER_ERATT, &phba->hba_flag); return; } - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0479 Deferred Adapter Hardware Error " - "Data: x%x x%x x%x\n", - phba->work_hs, - phba->work_status[0], phba->work_status[1]); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0479 Deferred Adapter Hardware Error " + "Data: x%x x%x x%x\n", + phba->work_hs, phba->work_status[0], + phba->work_status[1]); spin_lock_irq(&phba->hbalock); psli->sli_flag &= ~LPFC_SLI_ACTIVE; @@ -1600,7 +1729,7 @@ lpfc_handle_deferred_eratt(struct lpfc_hba *phba) break; } /* If driver is unloading let the worker thread continue */ - if (phba->pport->load_flag & FC_UNLOADING) { + if (test_bit(FC_UNLOADING, &phba->pport->load_flag)) { phba->work_hs = 0; break; } @@ -1611,12 +1740,10 @@ lpfc_handle_deferred_eratt(struct lpfc_hba *phba) * first write to the host attention register clear the * host status register. */ - if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING))) + if (!phba->work_hs && !test_bit(FC_UNLOADING, &phba->pport->load_flag)) phba->work_hs = old_host_status & ~HS_FFER1; - spin_lock_irq(&phba->hbalock); - phba->hba_flag &= ~DEFER_ERATT; - spin_unlock_irq(&phba->hbalock); + clear_bit(DEFER_ERATT, &phba->hba_flag); phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); phba->work_status[1] = readl(phba->MBslimaddr + 0xac); } @@ -1660,9 +1787,7 @@ lpfc_handle_eratt_s3(struct lpfc_hba *phba) * since we cannot communicate with the pci card anyway. */ if (pci_channel_offline(phba->pcidev)) { - spin_lock_irq(&phba->hbalock); - phba->hba_flag &= ~DEFER_ERATT; - spin_unlock_irq(&phba->hbalock); + clear_bit(DEFER_ERATT, &phba->hba_flag); return; } @@ -1673,7 +1798,7 @@ lpfc_handle_eratt_s3(struct lpfc_hba *phba) /* Send an internal error event to mgmt application */ lpfc_board_errevt_to_mgmt(phba); - if (phba->hba_flag & DEFER_ERATT) + if (test_bit(DEFER_ERATT, &phba->hba_flag)) lpfc_handle_deferred_eratt(phba); if ((phba->work_hs & HS_FFER6) || (phba->work_hs & HS_FFER8)) { @@ -1722,7 +1847,7 @@ lpfc_handle_eratt_s3(struct lpfc_hba *phba) temp_event_data.event_code = LPFC_CRIT_TEMP; temp_event_data.data = (uint32_t)temperature; - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0406 Adapter maximum temperature exceeded " "(%ld), taking this port offline " "Data: x%x x%x x%x\n", @@ -1746,7 +1871,7 @@ lpfc_handle_eratt_s3(struct lpfc_hba *phba) * failure is a value other than FFER6. Do not call the offline * twice. This is the adapter hardware error path. */ - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0457 Adapter Hardware Error " "Data: x%x x%x x%x\n", phba->work_hs, @@ -1767,7 +1892,7 @@ lpfc_handle_eratt_s3(struct lpfc_hba *phba) * lpfc_sli4_port_sta_fn_reset - The SLI4 function reset due to port status reg * @phba: pointer to lpfc hba data structure. * @mbx_action: flag for mailbox shutdown action. - * + * @en_rn_msg: send reset/port recovery message. * This routine is invoked to perform an SLI4 port PCI function reset in * response to port status register polling attention. It waits for port * status register (ERR, RDY, RN) bits before proceeding with function reset. @@ -1780,6 +1905,10 @@ lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action, { int rc; uint32_t intr_mode; + LPFC_MBOXQ_t *mboxq; + + /* Notifying the transport that the targets are going offline. */ + lpfc_scsi_dev_block(phba); if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) >= LPFC_SLI_INTF_IF_TYPE_2) { @@ -1794,23 +1923,43 @@ lpfc_sli4_port_sta_fn_reset(struct lpfc_hba *phba, int mbx_action, /* need reset: attempt for port recovery */ if (en_rn_msg) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "2887 Reset Needed: Attempting Port " "Recovery...\n"); + + /* If we are no wait, the HBA has been reset and is not + * functional, thus we should clear + * (LPFC_SLI_ACTIVE | LPFC_SLI_MBOX_ACTIVE) flags. + */ + if (mbx_action == LPFC_MBX_NO_WAIT) { + spin_lock_irq(&phba->hbalock); + phba->sli.sli_flag &= ~LPFC_SLI_ACTIVE; + if (phba->sli.mbox_active) { + mboxq = phba->sli.mbox_active; + mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; + __lpfc_mbox_cmpl_put(phba, mboxq); + phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; + phba->sli.mbox_active = NULL; + } + spin_unlock_irq(&phba->hbalock); + } + lpfc_offline_prep(phba, mbx_action); + lpfc_sli_flush_io_rings(phba); + lpfc_nvmels_flush_cmd(phba); lpfc_offline(phba); /* release interrupt for possible resource change */ lpfc_sli4_disable_intr(phba); rc = lpfc_sli_brdrestart(phba); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6309 Failed to restart board\n"); return rc; } /* request and enable interrupt */ intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); if (intr_mode == LPFC_INTR_ERROR) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3175 Failed to enable interrupt\n"); return -EIO; } @@ -1848,8 +1997,12 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba) /* If the pci channel is offline, ignore possible errors, since * we cannot communicate with the pci card anyway. */ - if (pci_channel_offline(phba->pcidev)) + if (pci_channel_offline(phba->pcidev)) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "3166 pci channel is offline\n"); + lpfc_sli_flush_io_rings(phba); return; + } memset(&portsmphr_reg, 0, sizeof(portsmphr_reg)); if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); @@ -1864,11 +2017,11 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba) /* consider PCI bus read error as pci_channel_offline */ if (pci_rd_rc1 == -EIO && pci_rd_rc2 == -EIO) return; - if (!(phba->hba_flag & HBA_RECOVERABLE_UE)) { + if (!test_bit(HBA_RECOVERABLE_UE, &phba->hba_flag)) { lpfc_sli4_offline_eratt(phba); return; } - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "7623 Checking UE recoverable"); for (i = 0; i < phba->sli4_hba.ue_to_sr / 1000; i++) { @@ -1885,7 +2038,7 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba) msleep(1000); } - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "4827 smphr_port_status x%x : Waited %dSec", smphr_port_status, i); @@ -1903,17 +2056,17 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba) LPFC_MBX_NO_WAIT, en_rn_msg); if (rc == 0) return; - lpfc_printf_log(phba, - KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "4215 Failed to recover UE"); break; } } } - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "7624 Firmware not ready: Failing UE recovery," " waited %dSec", i); - lpfc_sli4_offline_eratt(phba); + phba->link_state = LPFC_HBA_ERROR; break; case LPFC_SLI_INTF_IF_TYPE_2: @@ -1923,18 +2076,19 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba) &portstat_reg.word0); /* consider PCI bus read error as pci_channel_offline */ if (pci_rd_rc1 == -EIO) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3151 PCI bus read access failure: x%x\n", readl(phba->sli4_hba.u.if_type2.STATUSregaddr)); + lpfc_sli4_offline_eratt(phba); return; } reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr); reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr); if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2889 Port Overtemperature event, " - "taking port offline Data: x%x x%x\n", - reg_err1, reg_err2); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "2889 Port Overtemperature event, " + "taking port offline Data: x%x x%x\n", + reg_err1, reg_err2); phba->sfp_alarm |= LPFC_TRANSGRESSION_HIGH_TEMPERATURE; temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; @@ -1956,17 +2110,17 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba) } if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && reg_err2 == SLIPORT_ERR2_REG_FW_RESTART) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "3143 Port Down: Firmware Update " "Detected\n"); en_rn_msg = false; } else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && reg_err2 == SLIPORT_ERR2_REG_FORCED_DUMP) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "3144 Port Down: Debug Dump\n"); else if (reg_err1 == SLIPORT_ERR1_REG_ERR_CODE_2 && reg_err2 == SLIPORT_ERR2_REG_FUNC_PROVISON) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3145 Port Down: Provisioning\n"); /* If resets are disabled then leave the HBA alone and return */ @@ -1985,9 +2139,8 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba) break; } /* fall through for not able to recover */ - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "3152 Unrecoverable error, bring the port " - "offline\n"); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "3152 Unrecoverable error\n"); lpfc_sli4_offline_eratt(phba); break; case LPFC_SLI_INTF_IF_TYPE_1: @@ -2037,7 +2190,6 @@ lpfc_handle_latt(struct lpfc_hba *phba) struct lpfc_sli *psli = &phba->sli; LPFC_MBOXQ_t *pmb; volatile uint32_t control; - struct lpfc_dmabuf *mp; int rc = 0; pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); @@ -2046,23 +2198,17 @@ lpfc_handle_latt(struct lpfc_hba *phba) goto lpfc_handle_latt_err_exit; } - mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); - if (!mp) { + rc = lpfc_mbox_rsrc_prep(phba, pmb); + if (rc) { rc = 2; - goto lpfc_handle_latt_free_pmb; - } - - mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); - if (!mp->virt) { - rc = 3; - goto lpfc_handle_latt_free_mp; + mempool_free(pmb, phba->mbox_mem_pool); + goto lpfc_handle_latt_err_exit; } /* Cleanup any outstanding ELS commands */ lpfc_els_flush_all_cmd(phba); - psli->slistat.link_event++; - lpfc_read_topology(phba, pmb, mp); + lpfc_read_topology(phba, pmb, pmb->ctx_buf); pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; pmb->vport = vport; /* Block ELS IOCBs until we have processed this mbox command */ @@ -2083,11 +2229,7 @@ lpfc_handle_latt(struct lpfc_hba *phba) lpfc_handle_latt_free_mbuf: phba->sli.sli3_ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; - lpfc_mbuf_free(phba, mp->virt, mp->phys); -lpfc_handle_latt_free_mp: - kfree(mp); -lpfc_handle_latt_free_pmb: - mempool_free(pmb, phba->mbox_mem_pool); + lpfc_mbox_rsrc_cleanup(phba, pmb, MBOX_THD_UNLOCKED); lpfc_handle_latt_err_exit: /* Enable Link attention interrupts */ spin_lock_irq(&phba->hbalock); @@ -2104,12 +2246,107 @@ lpfc_handle_latt_err_exit: lpfc_linkdown(phba); phba->link_state = LPFC_HBA_ERROR; - lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, - "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); return; } +static void +lpfc_fill_vpd(struct lpfc_hba *phba, uint8_t *vpd, int length, int *pindex) +{ + int i, j; + + while (length > 0) { + /* Look for Serial Number */ + if ((vpd[*pindex] == 'S') && (vpd[*pindex + 1] == 'N')) { + *pindex += 2; + i = vpd[*pindex]; + *pindex += 1; + j = 0; + length -= (3+i); + while (i--) { + phba->SerialNumber[j++] = vpd[(*pindex)++]; + if (j == 31) + break; + } + phba->SerialNumber[j] = 0; + continue; + } else if ((vpd[*pindex] == 'V') && (vpd[*pindex + 1] == '1')) { + phba->vpd_flag |= VPD_MODEL_DESC; + *pindex += 2; + i = vpd[*pindex]; + *pindex += 1; + j = 0; + length -= (3+i); + while (i--) { + phba->ModelDesc[j++] = vpd[(*pindex)++]; + if (j == 255) + break; + } + phba->ModelDesc[j] = 0; + continue; + } else if ((vpd[*pindex] == 'V') && (vpd[*pindex + 1] == '2')) { + phba->vpd_flag |= VPD_MODEL_NAME; + *pindex += 2; + i = vpd[*pindex]; + *pindex += 1; + j = 0; + length -= (3+i); + while (i--) { + phba->ModelName[j++] = vpd[(*pindex)++]; + if (j == 79) + break; + } + phba->ModelName[j] = 0; + continue; + } else if ((vpd[*pindex] == 'V') && (vpd[*pindex + 1] == '3')) { + phba->vpd_flag |= VPD_PROGRAM_TYPE; + *pindex += 2; + i = vpd[*pindex]; + *pindex += 1; + j = 0; + length -= (3+i); + while (i--) { + phba->ProgramType[j++] = vpd[(*pindex)++]; + if (j == 255) + break; + } + phba->ProgramType[j] = 0; + continue; + } else if ((vpd[*pindex] == 'V') && (vpd[*pindex + 1] == '4')) { + phba->vpd_flag |= VPD_PORT; + *pindex += 2; + i = vpd[*pindex]; + *pindex += 1; + j = 0; + length -= (3 + i); + while (i--) { + if ((phba->sli_rev == LPFC_SLI_REV4) && + (phba->sli4_hba.pport_name_sta == + LPFC_SLI4_PPNAME_GET)) { + j++; + (*pindex)++; + } else + phba->Port[j++] = vpd[(*pindex)++]; + if (j == 19) + break; + } + if ((phba->sli_rev != LPFC_SLI_REV4) || + (phba->sli4_hba.pport_name_sta == + LPFC_SLI4_PPNAME_NON)) + phba->Port[j] = 0; + continue; + } else { + *pindex += 2; + i = vpd[*pindex]; + *pindex += 1; + *pindex += i; + length -= (3 + i); + } + } +} + /** * lpfc_parse_vpd - Parse VPD (Vital Product Data) * @phba: pointer to lpfc hba data structure. @@ -2129,7 +2366,7 @@ lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) { uint8_t lenlo, lenhi; int Length; - int i, j; + int i; int finished = 0; int index = 0; @@ -2162,101 +2399,10 @@ lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) Length = ((((unsigned short)lenhi) << 8) + lenlo); if (Length > len - index) Length = len - index; - while (Length > 0) { - /* Look for Serial Number */ - if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { - index += 2; - i = vpd[index]; - index += 1; - j = 0; - Length -= (3+i); - while(i--) { - phba->SerialNumber[j++] = vpd[index++]; - if (j == 31) - break; - } - phba->SerialNumber[j] = 0; - continue; - } - else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { - phba->vpd_flag |= VPD_MODEL_DESC; - index += 2; - i = vpd[index]; - index += 1; - j = 0; - Length -= (3+i); - while(i--) { - phba->ModelDesc[j++] = vpd[index++]; - if (j == 255) - break; - } - phba->ModelDesc[j] = 0; - continue; - } - else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { - phba->vpd_flag |= VPD_MODEL_NAME; - index += 2; - i = vpd[index]; - index += 1; - j = 0; - Length -= (3+i); - while(i--) { - phba->ModelName[j++] = vpd[index++]; - if (j == 79) - break; - } - phba->ModelName[j] = 0; - continue; - } - else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { - phba->vpd_flag |= VPD_PROGRAM_TYPE; - index += 2; - i = vpd[index]; - index += 1; - j = 0; - Length -= (3+i); - while(i--) { - phba->ProgramType[j++] = vpd[index++]; - if (j == 255) - break; - } - phba->ProgramType[j] = 0; - continue; - } - else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { - phba->vpd_flag |= VPD_PORT; - index += 2; - i = vpd[index]; - index += 1; - j = 0; - Length -= (3+i); - while(i--) { - if ((phba->sli_rev == LPFC_SLI_REV4) && - (phba->sli4_hba.pport_name_sta == - LPFC_SLI4_PPNAME_GET)) { - j++; - index++; - } else - phba->Port[j++] = vpd[index++]; - if (j == 19) - break; - } - if ((phba->sli_rev != LPFC_SLI_REV4) || - (phba->sli4_hba.pport_name_sta == - LPFC_SLI4_PPNAME_NON)) - phba->Port[j] = 0; - continue; - } - else { - index += 2; - i = vpd[index]; - index += 1; - index += i; - Length -= (3 + i); - } - } - finished = 0; - break; + + lpfc_fill_vpd(phba, vpd, Length, &index); + finished = 0; + break; case 0x78: finished = 1; break; @@ -2270,6 +2416,90 @@ lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) } /** + * lpfc_get_atto_model_desc - Retrieve ATTO HBA device model name and description + * @phba: pointer to lpfc hba data structure. + * @mdp: pointer to the data structure to hold the derived model name. + * @descp: pointer to the data structure to hold the derived description. + * + * This routine retrieves HBA's description based on its registered PCI device + * ID. The @descp passed into this function points to an array of 256 chars. It + * shall be returned with the model name, maximum speed, and the host bus type. + * The @mdp passed into this function points to an array of 80 chars. When the + * function returns, the @mdp will be filled with the model name. + **/ +static void +lpfc_get_atto_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) +{ + uint16_t sub_dev_id = phba->pcidev->subsystem_device; + char *model = "<Unknown>"; + int tbolt = 0; + + switch (sub_dev_id) { + case PCI_DEVICE_ID_CLRY_161E: + model = "161E"; + break; + case PCI_DEVICE_ID_CLRY_162E: + model = "162E"; + break; + case PCI_DEVICE_ID_CLRY_164E: + model = "164E"; + break; + case PCI_DEVICE_ID_CLRY_161P: + model = "161P"; + break; + case PCI_DEVICE_ID_CLRY_162P: + model = "162P"; + break; + case PCI_DEVICE_ID_CLRY_164P: + model = "164P"; + break; + case PCI_DEVICE_ID_CLRY_321E: + model = "321E"; + break; + case PCI_DEVICE_ID_CLRY_322E: + model = "322E"; + break; + case PCI_DEVICE_ID_CLRY_324E: + model = "324E"; + break; + case PCI_DEVICE_ID_CLRY_321P: + model = "321P"; + break; + case PCI_DEVICE_ID_CLRY_322P: + model = "322P"; + break; + case PCI_DEVICE_ID_CLRY_324P: + model = "324P"; + break; + case PCI_DEVICE_ID_TLFC_2XX2: + model = "2XX2"; + tbolt = 1; + break; + case PCI_DEVICE_ID_TLFC_3162: + model = "3162"; + tbolt = 1; + break; + case PCI_DEVICE_ID_TLFC_3322: + model = "3322"; + tbolt = 1; + break; + default: + model = "Unknown"; + break; + } + + if (mdp && mdp[0] == '\0') + snprintf(mdp, 79, "%s", model); + + if (descp && descp[0] == '\0') + snprintf(descp, 255, + "ATTO %s%s, Fibre Channel Adapter Initiator, Port %s", + (tbolt) ? "ThunderLink FC " : "Celerity FC-", + model, + phba->Port); +} + +/** * lpfc_get_hba_model_desc - Retrieve HBA device model name and description * @phba: pointer to lpfc hba data structure. * @mdp: pointer to the data structure to hold the derived model name. @@ -2299,6 +2529,11 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) && descp && descp[0] != '\0') return; + if (phba->pcidev->vendor == PCI_VENDOR_ID_ATTO) { + lpfc_get_atto_model_desc(phba, mdp, descp); + return; + } + if (phba->lmt & LMT_64Gb) max_speed = 64; else if (phba->lmt & LMT_32Gb) @@ -2392,27 +2627,33 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_BMID: - m = (typeof(m)){"LP1150", "PCI-X2", "Fibre Channel Adapter"}; + m = (typeof(m)){"LP1150", "PCI-X2", + "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_BSMB: m = (typeof(m)){"LP111", "PCI-X2", "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_ZEPHYR: - m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; + m = (typeof(m)){"LPe11000", "PCIe", + "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_ZEPHYR_SCSP: - m = (typeof(m)){"LPe11000", "PCIe", "Fibre Channel Adapter"}; + m = (typeof(m)){"LPe11000", "PCIe", + "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_ZEPHYR_DCSP: - m = (typeof(m)){"LP2105", "PCIe", "FCoE Adapter"}; + m = (typeof(m)){"LP2105", "PCIe", + "Obsolete, Unsupported FCoE Adapter"}; GE = 1; break; case PCI_DEVICE_ID_ZMID: - m = (typeof(m)){"LPe1150", "PCIe", "Fibre Channel Adapter"}; + m = (typeof(m)){"LPe1150", "PCIe", + "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_ZSMB: - m = (typeof(m)){"LPe111", "PCIe", "Fibre Channel Adapter"}; + m = (typeof(m)){"LPe111", "PCIe", + "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_LP101: m = (typeof(m)){"LP101", "PCI-X", @@ -2431,27 +2672,28 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_SAT: - m = (typeof(m)){"LPe12000", "PCIe", "Fibre Channel Adapter"}; + m = (typeof(m)){"LPe12000", "PCIe", + "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_SAT_MID: - m = (typeof(m)){"LPe1250", "PCIe", "Fibre Channel Adapter"}; + m = (typeof(m)){"LPe1250", "PCIe", + "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_SAT_SMB: - m = (typeof(m)){"LPe121", "PCIe", "Fibre Channel Adapter"}; + m = (typeof(m)){"LPe121", "PCIe", + "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_SAT_DCSP: - m = (typeof(m)){"LPe12002-SP", "PCIe", "Fibre Channel Adapter"}; + m = (typeof(m)){"LPe12002-SP", "PCIe", + "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_SAT_SCSP: - m = (typeof(m)){"LPe12000-SP", "PCIe", "Fibre Channel Adapter"}; + m = (typeof(m)){"LPe12000-SP", "PCIe", + "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_SAT_S: - m = (typeof(m)){"LPe12000-S", "PCIe", "Fibre Channel Adapter"}; - break; - case PCI_DEVICE_ID_HORNET: - m = (typeof(m)){"LP21000", "PCIe", - "Obsolete, Unsupported FCoE Adapter"}; - GE = 1; + m = (typeof(m)){"LPe12000-S", "PCIe", + "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_PROTEUS_VF: m = (typeof(m)){"LPev12000", "PCIe IOV", @@ -2467,22 +2709,25 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) break; case PCI_DEVICE_ID_TIGERSHARK: oneConnect = 1; - m = (typeof(m)){"OCe10100", "PCIe", "FCoE"}; + m = (typeof(m)){"OCe10100", "PCIe", + "Obsolete, Unsupported FCoE Adapter"}; break; case PCI_DEVICE_ID_TOMCAT: oneConnect = 1; - m = (typeof(m)){"OCe11100", "PCIe", "FCoE"}; + m = (typeof(m)){"OCe11100", "PCIe", + "Obsolete, Unsupported FCoE Adapter"}; break; case PCI_DEVICE_ID_FALCON: m = (typeof(m)){"LPSe12002-ML1-E", "PCIe", - "EmulexSecure Fibre"}; + "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_BALIUS: m = (typeof(m)){"LPVe12002", "PCIe Shared I/O", "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_LANCER_FC: - m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"}; + m = (typeof(m)){"LPe16000", "PCIe", + "Obsolete, Unsupported Fibre Channel Adapter"}; break; case PCI_DEVICE_ID_LANCER_FC_VF: m = (typeof(m)){"LPe16000", "PCIe", @@ -2490,12 +2735,13 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) break; case PCI_DEVICE_ID_LANCER_FCOE: oneConnect = 1; - m = (typeof(m)){"OCe15100", "PCIe", "FCoE"}; + m = (typeof(m)){"OCe15100", "PCIe", + "Obsolete, Unsupported FCoE Adapter"}; break; case PCI_DEVICE_ID_LANCER_FCOE_VF: oneConnect = 1; m = (typeof(m)){"OCe15100", "PCIe", - "Obsolete, Unsupported FCoE"}; + "Obsolete, Unsupported FCoE Adapter"}; break; case PCI_DEVICE_ID_LANCER_G6_FC: m = (typeof(m)){"LPe32000", "PCIe", "Fibre Channel Adapter"}; @@ -2503,10 +2749,14 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) case PCI_DEVICE_ID_LANCER_G7_FC: m = (typeof(m)){"LPe36000", "PCIe", "Fibre Channel Adapter"}; break; + case PCI_DEVICE_ID_LANCER_G7P_FC: + m = (typeof(m)){"LPe38000", "PCIe", "Fibre Channel Adapter"}; + break; case PCI_DEVICE_ID_SKYHAWK: case PCI_DEVICE_ID_SKYHAWK_VF: oneConnect = 1; - m = (typeof(m)){"OCe14000", "PCIe", "FCoE"}; + m = (typeof(m)){"OCe14000", "PCIe", + "Obsolete, Unsupported FCoE Adapter"}; break; default: m = (typeof(m)){"Unknown", "", ""}; @@ -2538,7 +2788,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) } /** - * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring + * lpfc_sli3_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring * @phba: pointer to lpfc hba data structure. * @pring: pointer to a IOCB ring. * @cnt: the number of IOCBs to be posted to the IOCB ring. @@ -2550,7 +2800,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) * The number of IOCBs NOT able to be posted to the IOCB ring. **/ int -lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) +lpfc_sli3_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) { IOCB_t *icmd; struct lpfc_iocbq *iocb; @@ -2656,7 +2906,7 @@ lpfc_post_rcv_buf(struct lpfc_hba *phba) struct lpfc_sli *psli = &phba->sli; /* Ring 0, ELS / CT buffers */ - lpfc_post_buffer(phba, &psli->sli3_ring[LPFC_ELS_RING], LPFC_BUF_RING0); + lpfc_sli3_post_buffer(phba, &psli->sli3_ring[LPFC_ELS_RING], LPFC_BUF_RING0); /* Ring 2 - FCP no buffers needed */ return 0; @@ -2802,51 +3052,39 @@ lpfc_cleanup(struct lpfc_vport *vport) if (phba->link_state > LPFC_LINK_DOWN) lpfc_port_link_failure(vport); - list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { - if (!NLP_CHK_NODE_ACT(ndlp)) { - ndlp = lpfc_enable_node(vport, ndlp, - NLP_STE_UNUSED_NODE); - if (!ndlp) - continue; - spin_lock_irq(&phba->ndlp_lock); - NLP_SET_FREE_REQ(ndlp); - spin_unlock_irq(&phba->ndlp_lock); - /* Trigger the release of the ndlp memory */ - lpfc_nlp_put(ndlp); - continue; - } - spin_lock_irq(&phba->ndlp_lock); - if (NLP_CHK_FREE_REQ(ndlp)) { - /* The ndlp should not be in memory free mode already */ - spin_unlock_irq(&phba->ndlp_lock); - continue; - } else - /* Indicate request for freeing ndlp memory */ - NLP_SET_FREE_REQ(ndlp); - spin_unlock_irq(&phba->ndlp_lock); - - if (vport->port_type != LPFC_PHYSICAL_PORT && - ndlp->nlp_DID == Fabric_DID) { - /* Just free up ndlp with Fabric_DID for vports */ - lpfc_nlp_put(ndlp); - continue; - } + /* Clean up VMID resources */ + if (lpfc_is_vmid_enabled(phba)) + lpfc_vmid_vport_cleanup(vport); - /* take care of nodes in unused state before the state - * machine taking action. + list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { + /* Fabric Ports not in UNMAPPED state are cleaned up in the + * DEVICE_RM event. */ - if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { - lpfc_nlp_put(ndlp); - continue; - } - - if (ndlp->nlp_type & NLP_FABRIC) + if (ndlp->nlp_type & NLP_FABRIC && + ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RECOVERY); - lpfc_disc_state_machine(vport, ndlp, NULL, - NLP_EVT_DEVICE_RM); - } + if (!(ndlp->fc4_xpt_flags & (NVME_XPT_REGD|SCSI_XPT_REGD))) + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); + } + + /* This is a special case flush to return all + * IOs before entering this loop. There are + * two points in the code where a flush is + * avoided if the FC_UNLOADING flag is set. + * one is in the multipool destroy, + * (this prevents a crash) and the other is + * in the nvme abort handler, ( also prevents + * a crash). Both of these exceptions are + * cases where the slot is still accessible. + * The flush here is only when the pci slot + * is offline. + */ + if (test_bit(FC_UNLOADING, &vport->load_flag) && + pci_channel_offline(phba->pcidev)) + lpfc_sli_flush_io_rings(vport->phba); /* At this point, ALL ndlp's should be gone * because of the previous NLP_EVT_DEVICE_RM. @@ -2854,17 +3092,20 @@ lpfc_cleanup(struct lpfc_vport *vport) */ while (!list_empty(&vport->fc_nodes)) { if (i++ > 3000) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + lpfc_printf_vlog(vport, KERN_ERR, + LOG_TRACE_EVENT, "0233 Nodelist not empty\n"); list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { lpfc_printf_vlog(ndlp->vport, KERN_ERR, - LOG_NODE, - "0282 did:x%x ndlp:x%p " - "usgmap:x%x refcnt:%d\n", - ndlp->nlp_DID, (void *)ndlp, - ndlp->nlp_usg_map, - kref_read(&ndlp->kref)); + LOG_DISCOVERY, + "0282 did:x%x ndlp:x%px " + "refcnt:%d xflags x%x " + "nflag x%lx\n", + ndlp->nlp_DID, (void *)ndlp, + kref_read(&ndlp->kref), + ndlp->fc4_xpt_flags, + ndlp->nlp_flag); } break; } @@ -2886,8 +3127,8 @@ lpfc_cleanup(struct lpfc_vport *vport) void lpfc_stop_vport_timers(struct lpfc_vport *vport) { - del_timer_sync(&vport->els_tmofunc); - del_timer_sync(&vport->delayed_disc_tmo); + timer_delete_sync(&vport->els_tmofunc); + timer_delete_sync(&vport->delayed_disc_tmo); lpfc_can_disctmo(vport); return; } @@ -2906,7 +3147,7 @@ __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) phba->fcf.fcf_flag &= ~FCF_REDISC_PEND; /* Now, try to stop the timer */ - del_timer(&phba->fcf.redisc_wait); + timer_delete(&phba->fcf.redisc_wait); } /** @@ -2934,6 +3175,127 @@ lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) } /** + * lpfc_cmf_stop - Stop CMF processing + * @phba: pointer to lpfc hba data structure. + * + * This is called when the link goes down or if CMF mode is turned OFF. + * It is also called when going offline or unloaded just before the + * congestion info buffer is unregistered. + **/ +void +lpfc_cmf_stop(struct lpfc_hba *phba) +{ + int cpu; + struct lpfc_cgn_stat *cgs; + + /* We only do something if CMF is enabled */ + if (!phba->sli4_hba.pc_sli4_params.cmf) + return; + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "6221 Stop CMF / Cancel Timer\n"); + + /* Cancel the CMF timer */ + hrtimer_cancel(&phba->cmf_stats_timer); + hrtimer_cancel(&phba->cmf_timer); + + /* Zero CMF counters */ + atomic_set(&phba->cmf_busy, 0); + for_each_present_cpu(cpu) { + cgs = per_cpu_ptr(phba->cmf_stat, cpu); + atomic64_set(&cgs->total_bytes, 0); + atomic64_set(&cgs->rcv_bytes, 0); + atomic_set(&cgs->rx_io_cnt, 0); + atomic64_set(&cgs->rx_latency, 0); + } + atomic_set(&phba->cmf_bw_wait, 0); + + /* Resume any blocked IO - Queue unblock on workqueue */ + queue_work(phba->wq, &phba->unblock_request_work); +} + +static inline uint64_t +lpfc_get_max_line_rate(struct lpfc_hba *phba) +{ + uint64_t rate = lpfc_sli_port_speed_get(phba); + + return ((((unsigned long)rate) * 1024 * 1024) / 10); +} + +void +lpfc_cmf_signal_init(struct lpfc_hba *phba) +{ + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "6223 Signal CMF init\n"); + + /* Use the new fc_linkspeed to recalculate */ + phba->cmf_interval_rate = LPFC_CMF_INTERVAL; + phba->cmf_max_line_rate = lpfc_get_max_line_rate(phba); + phba->cmf_link_byte_count = div_u64(phba->cmf_max_line_rate * + phba->cmf_interval_rate, 1000); + phba->cmf_max_bytes_per_interval = phba->cmf_link_byte_count; + + /* This is a signal to firmware to sync up CMF BW with link speed */ + lpfc_issue_cmf_sync_wqe(phba, 0, 0); +} + +/** + * lpfc_cmf_start - Start CMF processing + * @phba: pointer to lpfc hba data structure. + * + * This is called when the link comes up or if CMF mode is turned OFF + * to Monitor or Managed. + **/ +void +lpfc_cmf_start(struct lpfc_hba *phba) +{ + struct lpfc_cgn_stat *cgs; + int cpu; + + /* We only do something if CMF is enabled */ + if (!phba->sli4_hba.pc_sli4_params.cmf || + phba->cmf_active_mode == LPFC_CFG_OFF) + return; + + /* Reinitialize congestion buffer info */ + lpfc_init_congestion_buf(phba); + + atomic_set(&phba->cgn_fabric_warn_cnt, 0); + atomic_set(&phba->cgn_fabric_alarm_cnt, 0); + atomic_set(&phba->cgn_sync_alarm_cnt, 0); + atomic_set(&phba->cgn_sync_warn_cnt, 0); + + atomic_set(&phba->cmf_busy, 0); + for_each_present_cpu(cpu) { + cgs = per_cpu_ptr(phba->cmf_stat, cpu); + atomic64_set(&cgs->total_bytes, 0); + atomic64_set(&cgs->rcv_bytes, 0); + atomic_set(&cgs->rx_io_cnt, 0); + atomic64_set(&cgs->rx_latency, 0); + } + phba->cmf_latency.tv_sec = 0; + phba->cmf_latency.tv_nsec = 0; + + lpfc_cmf_signal_init(phba); + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "6222 Start CMF / Timer\n"); + + phba->cmf_timer_cnt = 0; + hrtimer_start(&phba->cmf_timer, + ktime_set(0, LPFC_CMF_INTERVAL * NSEC_PER_MSEC), + HRTIMER_MODE_REL); + hrtimer_start(&phba->cmf_stats_timer, + ktime_set(0, LPFC_SEC_MIN * NSEC_PER_SEC), + HRTIMER_MODE_REL); + /* Setup for latency check in IO cmpl routines */ + ktime_get_real_ts64(&phba->cmf_latency); + + atomic_set(&phba->cmf_bw_wait, 0); + atomic_set(&phba->cmf_stop_io, 0); +} + +/** * lpfc_stop_hba_timers - Stop all the timers associated with an HBA * @phba: pointer to lpfc hba data structure. * @@ -2943,28 +3305,32 @@ lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba) void lpfc_stop_hba_timers(struct lpfc_hba *phba) { - lpfc_stop_vport_timers(phba->pport); - del_timer_sync(&phba->sli.mbox_tmo); - del_timer_sync(&phba->fabric_block_timer); - del_timer_sync(&phba->eratt_poll); - del_timer_sync(&phba->hb_tmofunc); + if (phba->pport) + lpfc_stop_vport_timers(phba->pport); + cancel_delayed_work_sync(&phba->eq_delay_work); + cancel_delayed_work_sync(&phba->idle_stat_delay_work); + timer_delete_sync(&phba->sli.mbox_tmo); + timer_delete_sync(&phba->fabric_block_timer); + timer_delete_sync(&phba->eratt_poll); + timer_delete_sync(&phba->hb_tmofunc); if (phba->sli_rev == LPFC_SLI_REV4) { - del_timer_sync(&phba->rrq_tmr); - phba->hba_flag &= ~HBA_RRQ_ACTIVE; + timer_delete_sync(&phba->rrq_tmr); + clear_bit(HBA_RRQ_ACTIVE, &phba->hba_flag); } - phba->hb_outstanding = 0; + clear_bit(HBA_HBEAT_INP, &phba->hba_flag); + clear_bit(HBA_HBEAT_TMO, &phba->hba_flag); switch (phba->pci_dev_grp) { case LPFC_PCI_DEV_LP: /* Stop any LightPulse device specific driver timers */ - del_timer_sync(&phba->fcp_poll_timer); + timer_delete_sync(&phba->fcp_poll_timer); break; case LPFC_PCI_DEV_OC: - /* Stop any OneConnect device sepcific driver timers */ + /* Stop any OneConnect device specific driver timers */ lpfc_sli4_stop_fcf_redisc_wait_timer(phba); break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0297 Invalid device group (x%x)\n", phba->pci_dev_grp); break; @@ -2975,6 +3341,7 @@ lpfc_stop_hba_timers(struct lpfc_hba *phba) /** * lpfc_block_mgmt_io - Mark a HBA's management interface as blocked * @phba: pointer to lpfc hba data structure. + * @mbx_action: flag for mailbox no wait action. * * This routine marks a HBA's management interface as blocked. Once the HBA's * management interface is marked as blocked, all the user space access to @@ -2994,15 +3361,15 @@ lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action) spin_unlock_irqrestore(&phba->hbalock, iflag); if (mbx_action == LPFC_MBX_NO_WAIT) return; - timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies; + timeout = secs_to_jiffies(LPFC_MBOX_TMO) + jiffies; spin_lock_irqsave(&phba->hbalock, iflag); if (phba->sli.mbox_active) { actcmd = phba->sli.mbox_active->u.mb.mbxCommand; /* Determine how long we might wait for the active mailbox * command to be gracefully completed by firmware. */ - timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, - phba->sli.mbox_active) * 1000) + jiffies; + timeout = secs_to_jiffies(lpfc_mbox_tmo_val(phba, + phba->sli.mbox_active)) + jiffies; } spin_unlock_irqrestore(&phba->hbalock, iflag); @@ -3011,17 +3378,17 @@ lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action) /* Check active mailbox complete status every 2ms */ msleep(2); if (time_after(jiffies, timeout)) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "2813 Mgmt IO is Blocked %x " - "- mbox cmd %x still active\n", - phba->sli.sli_flag, actcmd); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "2813 Mgmt IO is Blocked %x " + "- mbox cmd %x still active\n", + phba->sli.sli_flag, actcmd); break; } } } /** - * lpfc_sli4_node_prep - Assign RPIs for active nodes. + * lpfc_sli4_node_rpi_restore - Recover assigned RPIs for active nodes. * @phba: pointer to lpfc hba data structure. * * Allocate RPIs for all active remote nodes. This is needed whenever @@ -3029,48 +3396,289 @@ lpfc_block_mgmt_io(struct lpfc_hba *phba, int mbx_action) * is to fixup the temporary rpi assignments. **/ void -lpfc_sli4_node_prep(struct lpfc_hba *phba) +lpfc_sli4_node_rpi_restore(struct lpfc_hba *phba) { struct lpfc_nodelist *ndlp, *next_ndlp; struct lpfc_vport **vports; int i, rpi; - unsigned long flags; if (phba->sli_rev != LPFC_SLI_REV4) return; vports = lpfc_create_vport_work_array(phba); - if (vports == NULL) + if (!vports) return; - for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { - if (vports[i]->load_flag & FC_UNLOADING) + for (i = 0; i <= phba->max_vports && vports[i]; i++) { + if (test_bit(FC_UNLOADING, &vports[i]->load_flag)) continue; list_for_each_entry_safe(ndlp, next_ndlp, &vports[i]->fc_nodes, nlp_listp) { - if (!NLP_CHK_NODE_ACT(ndlp)) - continue; rpi = lpfc_sli4_alloc_rpi(phba); if (rpi == LPFC_RPI_ALLOC_ERROR) { - spin_lock_irqsave(&phba->ndlp_lock, flags); - NLP_CLR_NODE_ACT(ndlp); - spin_unlock_irqrestore(&phba->ndlp_lock, flags); + lpfc_printf_vlog(ndlp->vport, KERN_INFO, + LOG_NODE | LOG_DISCOVERY, + "0099 RPI alloc error for " + "ndlp x%px DID:x%06x " + "flg:x%lx\n", + ndlp, ndlp->nlp_DID, + ndlp->nlp_flag); continue; } ndlp->nlp_rpi = rpi; - lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, - "0009 rpi:%x DID:%x " - "flg:%x map:%x %p\n", ndlp->nlp_rpi, - ndlp->nlp_DID, ndlp->nlp_flag, - ndlp->nlp_usg_map, ndlp); + lpfc_printf_vlog(ndlp->vport, KERN_INFO, + LOG_NODE | LOG_DISCOVERY, + "0009 Assign RPI x%x to ndlp x%px " + "DID:x%06x flg:x%lx\n", + ndlp->nlp_rpi, ndlp, ndlp->nlp_DID, + ndlp->nlp_flag); } } lpfc_destroy_vport_work_array(phba, vports); } /** + * lpfc_create_expedite_pool - create expedite pool + * @phba: pointer to lpfc hba data structure. + * + * This routine moves a batch of XRIs from lpfc_io_buf_list_put of HWQ 0 + * to expedite pool. Mark them as expedite. + **/ +static void lpfc_create_expedite_pool(struct lpfc_hba *phba) +{ + struct lpfc_sli4_hdw_queue *qp; + struct lpfc_io_buf *lpfc_ncmd; + struct lpfc_io_buf *lpfc_ncmd_next; + struct lpfc_epd_pool *epd_pool; + unsigned long iflag; + + epd_pool = &phba->epd_pool; + qp = &phba->sli4_hba.hdwq[0]; + + spin_lock_init(&epd_pool->lock); + spin_lock_irqsave(&qp->io_buf_list_put_lock, iflag); + spin_lock(&epd_pool->lock); + INIT_LIST_HEAD(&epd_pool->list); + list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, + &qp->lpfc_io_buf_list_put, list) { + list_move_tail(&lpfc_ncmd->list, &epd_pool->list); + lpfc_ncmd->expedite = true; + qp->put_io_bufs--; + epd_pool->count++; + if (epd_pool->count >= XRI_BATCH) + break; + } + spin_unlock(&epd_pool->lock); + spin_unlock_irqrestore(&qp->io_buf_list_put_lock, iflag); +} + +/** + * lpfc_destroy_expedite_pool - destroy expedite pool + * @phba: pointer to lpfc hba data structure. + * + * This routine returns XRIs from expedite pool to lpfc_io_buf_list_put + * of HWQ 0. Clear the mark. + **/ +static void lpfc_destroy_expedite_pool(struct lpfc_hba *phba) +{ + struct lpfc_sli4_hdw_queue *qp; + struct lpfc_io_buf *lpfc_ncmd; + struct lpfc_io_buf *lpfc_ncmd_next; + struct lpfc_epd_pool *epd_pool; + unsigned long iflag; + + epd_pool = &phba->epd_pool; + qp = &phba->sli4_hba.hdwq[0]; + + spin_lock_irqsave(&qp->io_buf_list_put_lock, iflag); + spin_lock(&epd_pool->lock); + list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, + &epd_pool->list, list) { + list_move_tail(&lpfc_ncmd->list, + &qp->lpfc_io_buf_list_put); + lpfc_ncmd->flags = false; + qp->put_io_bufs++; + epd_pool->count--; + } + spin_unlock(&epd_pool->lock); + spin_unlock_irqrestore(&qp->io_buf_list_put_lock, iflag); +} + +/** + * lpfc_create_multixri_pools - create multi-XRI pools + * @phba: pointer to lpfc hba data structure. + * + * This routine initialize public, private per HWQ. Then, move XRIs from + * lpfc_io_buf_list_put to public pool. High and low watermark are also + * Initialized. + **/ +void lpfc_create_multixri_pools(struct lpfc_hba *phba) +{ + u32 i, j; + u32 hwq_count; + u32 count_per_hwq; + struct lpfc_io_buf *lpfc_ncmd; + struct lpfc_io_buf *lpfc_ncmd_next; + unsigned long iflag; + struct lpfc_sli4_hdw_queue *qp; + struct lpfc_multixri_pool *multixri_pool; + struct lpfc_pbl_pool *pbl_pool; + struct lpfc_pvt_pool *pvt_pool; + + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "1234 num_hdw_queue=%d num_present_cpu=%d common_xri_cnt=%d\n", + phba->cfg_hdw_queue, phba->sli4_hba.num_present_cpu, + phba->sli4_hba.io_xri_cnt); + + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) + lpfc_create_expedite_pool(phba); + + hwq_count = phba->cfg_hdw_queue; + count_per_hwq = phba->sli4_hba.io_xri_cnt / hwq_count; + + for (i = 0; i < hwq_count; i++) { + multixri_pool = kzalloc(sizeof(*multixri_pool), GFP_KERNEL); + + if (!multixri_pool) { + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "1238 Failed to allocate memory for " + "multixri_pool\n"); + + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) + lpfc_destroy_expedite_pool(phba); + + j = 0; + while (j < i) { + qp = &phba->sli4_hba.hdwq[j]; + kfree(qp->p_multixri_pool); + j++; + } + phba->cfg_xri_rebalancing = 0; + return; + } + + qp = &phba->sli4_hba.hdwq[i]; + qp->p_multixri_pool = multixri_pool; + + multixri_pool->xri_limit = count_per_hwq; + multixri_pool->rrb_next_hwqid = i; + + /* Deal with public free xri pool */ + pbl_pool = &multixri_pool->pbl_pool; + spin_lock_init(&pbl_pool->lock); + spin_lock_irqsave(&qp->io_buf_list_put_lock, iflag); + spin_lock(&pbl_pool->lock); + INIT_LIST_HEAD(&pbl_pool->list); + list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, + &qp->lpfc_io_buf_list_put, list) { + list_move_tail(&lpfc_ncmd->list, &pbl_pool->list); + qp->put_io_bufs--; + pbl_pool->count++; + } + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "1235 Moved %d buffers from PUT list over to pbl_pool[%d]\n", + pbl_pool->count, i); + spin_unlock(&pbl_pool->lock); + spin_unlock_irqrestore(&qp->io_buf_list_put_lock, iflag); + + /* Deal with private free xri pool */ + pvt_pool = &multixri_pool->pvt_pool; + pvt_pool->high_watermark = multixri_pool->xri_limit / 2; + pvt_pool->low_watermark = XRI_BATCH; + spin_lock_init(&pvt_pool->lock); + spin_lock_irqsave(&pvt_pool->lock, iflag); + INIT_LIST_HEAD(&pvt_pool->list); + pvt_pool->count = 0; + spin_unlock_irqrestore(&pvt_pool->lock, iflag); + } +} + +/** + * lpfc_destroy_multixri_pools - destroy multi-XRI pools + * @phba: pointer to lpfc hba data structure. + * + * This routine returns XRIs from public/private to lpfc_io_buf_list_put. + **/ +static void lpfc_destroy_multixri_pools(struct lpfc_hba *phba) +{ + u32 i; + u32 hwq_count; + struct lpfc_io_buf *lpfc_ncmd; + struct lpfc_io_buf *lpfc_ncmd_next; + unsigned long iflag; + struct lpfc_sli4_hdw_queue *qp; + struct lpfc_multixri_pool *multixri_pool; + struct lpfc_pbl_pool *pbl_pool; + struct lpfc_pvt_pool *pvt_pool; + + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) + lpfc_destroy_expedite_pool(phba); + + if (!test_bit(FC_UNLOADING, &phba->pport->load_flag)) + lpfc_sli_flush_io_rings(phba); + + hwq_count = phba->cfg_hdw_queue; + + for (i = 0; i < hwq_count; i++) { + qp = &phba->sli4_hba.hdwq[i]; + multixri_pool = qp->p_multixri_pool; + if (!multixri_pool) + continue; + + qp->p_multixri_pool = NULL; + + spin_lock_irqsave(&qp->io_buf_list_put_lock, iflag); + + /* Deal with public free xri pool */ + pbl_pool = &multixri_pool->pbl_pool; + spin_lock(&pbl_pool->lock); + + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "1236 Moving %d buffers from pbl_pool[%d] TO PUT list\n", + pbl_pool->count, i); + + list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, + &pbl_pool->list, list) { + list_move_tail(&lpfc_ncmd->list, + &qp->lpfc_io_buf_list_put); + qp->put_io_bufs++; + pbl_pool->count--; + } + + INIT_LIST_HEAD(&pbl_pool->list); + pbl_pool->count = 0; + + spin_unlock(&pbl_pool->lock); + + /* Deal with private free xri pool */ + pvt_pool = &multixri_pool->pvt_pool; + spin_lock(&pvt_pool->lock); + + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "1237 Moving %d buffers from pvt_pool[%d] TO PUT list\n", + pvt_pool->count, i); + + list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, + &pvt_pool->list, list) { + list_move_tail(&lpfc_ncmd->list, + &qp->lpfc_io_buf_list_put); + qp->put_io_bufs++; + pvt_pool->count--; + } + + INIT_LIST_HEAD(&pvt_pool->list); + pvt_pool->count = 0; + + spin_unlock(&pvt_pool->lock); + spin_unlock_irqrestore(&qp->io_buf_list_put_lock, iflag); + + kfree(multixri_pool); + } +} + +/** * lpfc_online - Initialize and bring a HBA online * @phba: pointer to lpfc hba data structure. * @@ -3094,7 +3702,7 @@ lpfc_online(struct lpfc_hba *phba) return 0; vport = phba->pport; - if (!(vport->fc_flag & FC_OFFLINE_MODE)) + if (!test_bit(FC_OFFLINE_MODE, &vport->fc_flag)) return 0; lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, @@ -3119,7 +3727,7 @@ lpfc_online(struct lpfc_hba *phba) !phba->nvmet_support) { error = lpfc_nvme_create_localport(phba->pport); if (error) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6132 NVME restore reg failed " "on nvmei error x%x\n", error); } @@ -3134,24 +3742,27 @@ lpfc_online(struct lpfc_hba *phba) vports = lpfc_create_vport_work_array(phba); if (vports != NULL) { for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { - struct Scsi_Host *shost; - shost = lpfc_shost_from_vport(vports[i]); - spin_lock_irq(shost->host_lock); - vports[i]->fc_flag &= ~FC_OFFLINE_MODE; + clear_bit(FC_OFFLINE_MODE, &vports[i]->fc_flag); if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) - vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; + set_bit(FC_VPORT_NEEDS_REG_VPI, + &vports[i]->fc_flag); if (phba->sli_rev == LPFC_SLI_REV4) { - vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; + set_bit(FC_VPORT_NEEDS_INIT_VPI, + &vports[i]->fc_flag); if ((vpis_cleared) && (vports[i]->port_type != LPFC_PHYSICAL_PORT)) vports[i]->vpi = 0; } - spin_unlock_irq(shost->host_lock); } } lpfc_destroy_vport_work_array(phba, vports); + if (phba->cfg_xri_rebalancing) + lpfc_create_multixri_pools(phba); + + lpfc_cpuhp_add(phba); + lpfc_unblock_mgmt_io(phba); return 0; } @@ -3180,6 +3791,7 @@ lpfc_unblock_mgmt_io(struct lpfc_hba * phba) /** * lpfc_offline_prep - Prepare a HBA to be brought offline * @phba: pointer to lpfc hba data structure. + * @mbx_action: flag for mailbox shutdown action. * * This routine is invoked to prepare a HBA to be brought offline. It performs * unregistration login to all the nodes on all vports and flushes the mailbox @@ -3193,62 +3805,64 @@ lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action) struct lpfc_vport **vports; struct Scsi_Host *shost; int i; + int offline; + bool hba_pci_err; - if (vport->fc_flag & FC_OFFLINE_MODE) + if (test_bit(FC_OFFLINE_MODE, &vport->fc_flag)) return; lpfc_block_mgmt_io(phba, mbx_action); lpfc_linkdown(phba); + offline = pci_channel_offline(phba->pcidev); + hba_pci_err = test_bit(HBA_PCI_ERR, &phba->bit_flags); + /* Issue an unreg_login to all nodes on all vports */ vports = lpfc_create_vport_work_array(phba); if (vports != NULL) { for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { - if (vports[i]->load_flag & FC_UNLOADING) + if (test_bit(FC_UNLOADING, &vports[i]->load_flag)) continue; shost = lpfc_shost_from_vport(vports[i]); spin_lock_irq(shost->host_lock); vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; - vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; - vports[i]->fc_flag &= ~FC_VFI_REGISTERED; spin_unlock_irq(shost->host_lock); + set_bit(FC_VPORT_NEEDS_REG_VPI, &vports[i]->fc_flag); + clear_bit(FC_VFI_REGISTERED, &vports[i]->fc_flag); - shost = lpfc_shost_from_vport(vports[i]); list_for_each_entry_safe(ndlp, next_ndlp, &vports[i]->fc_nodes, nlp_listp) { - if (!NLP_CHK_NODE_ACT(ndlp)) - continue; - if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) - continue; + + clear_bit(NLP_NPR_ADISC, &ndlp->nlp_flag); + if (offline || hba_pci_err) { + clear_bit(NLP_UNREG_INP, + &ndlp->nlp_flag); + clear_bit(NLP_RPI_REGISTERED, + &ndlp->nlp_flag); + } + if (ndlp->nlp_type & NLP_FABRIC) { lpfc_disc_state_machine(vports[i], ndlp, NULL, NLP_EVT_DEVICE_RECOVERY); - lpfc_disc_state_machine(vports[i], ndlp, - NULL, NLP_EVT_DEVICE_RM); - } - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_ADISC; - spin_unlock_irq(shost->host_lock); - /* - * Whenever an SLI4 port goes offline, free the - * RPI. Get a new RPI when the adapter port - * comes back online. - */ - if (phba->sli_rev == LPFC_SLI_REV4) { - lpfc_printf_vlog(ndlp->vport, - KERN_INFO, LOG_NODE, - "0011 lpfc_offline: " - "ndlp:x%p did %x " - "usgmap:x%x rpi:%x\n", - ndlp, ndlp->nlp_DID, - ndlp->nlp_usg_map, - ndlp->nlp_rpi); - - lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi); + + /* Don't remove the node unless the node + * has been unregistered with the + * transport, and we're not in recovery + * before dev_loss_tmo triggered. + * Otherwise, let dev_loss take care of + * the node. + */ + if (!test_bit(NLP_IN_RECOV_POST_DEV_LOSS, + &ndlp->save_flags) && + !(ndlp->fc4_xpt_flags & + (NVME_XPT_REGD | SCSI_XPT_REGD))) + lpfc_disc_state_machine + (vports[i], ndlp, + NULL, + NLP_EVT_DEVICE_RM); } - lpfc_unreg_rpi(vports[i], ndlp); } } } @@ -3275,7 +3889,7 @@ lpfc_offline(struct lpfc_hba *phba) struct lpfc_vport **vports; int i; - if (phba->pport->fc_flag & FC_OFFLINE_MODE) + if (test_bit(FC_OFFLINE_MODE, &phba->pport->fc_flag)) return; /* stop port and all timers associated with this hba */ @@ -3306,10 +3920,18 @@ lpfc_offline(struct lpfc_hba *phba) shost = lpfc_shost_from_vport(vports[i]); spin_lock_irq(shost->host_lock); vports[i]->work_port_events = 0; - vports[i]->fc_flag |= FC_OFFLINE_MODE; spin_unlock_irq(shost->host_lock); + set_bit(FC_OFFLINE_MODE, &vports[i]->fc_flag); } lpfc_destroy_vport_work_array(phba, vports); + /* If OFFLINE flag is clear (i.e. unloading), cpuhp removal is handled + * in hba_unset + */ + if (test_bit(FC_OFFLINE_MODE, &phba->pport->fc_flag)) + __lpfc_cpuhp_remove(phba); + + if (phba->cfg_xri_rebalancing) + lpfc_destroy_multixri_pools(phba); } /** @@ -3323,7 +3945,7 @@ lpfc_offline(struct lpfc_hba *phba) static void lpfc_scsi_free(struct lpfc_hba *phba) { - struct lpfc_scsi_buf *sb, *sb_next; + struct lpfc_io_buf *sb, *sb_next; if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) return; @@ -3355,50 +3977,59 @@ lpfc_scsi_free(struct lpfc_hba *phba) spin_unlock(&phba->scsi_buf_list_get_lock); spin_unlock_irq(&phba->hbalock); } + /** - * lpfc_nvme_free - Free all the NVME buffers and IOCBs from driver lists + * lpfc_io_free - Free all the IO buffers and IOCBs from driver lists * @phba: pointer to lpfc hba data structure. * - * This routine is to free all the NVME buffers and IOCBs from the driver + * This routine is to free all the IO buffers and IOCBs from the driver * list back to kernel. It is called from lpfc_pci_remove_one to free * the internal resources before the device is removed from the system. **/ -static void -lpfc_nvme_free(struct lpfc_hba *phba) +void +lpfc_io_free(struct lpfc_hba *phba) { - struct lpfc_nvme_buf *lpfc_ncmd, *lpfc_ncmd_next; - - if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) - return; - - spin_lock_irq(&phba->hbalock); + struct lpfc_io_buf *lpfc_ncmd, *lpfc_ncmd_next; + struct lpfc_sli4_hdw_queue *qp; + int idx; - /* Release all the lpfc_nvme_bufs maintained by this host. */ - spin_lock(&phba->nvme_buf_list_put_lock); - list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, - &phba->lpfc_nvme_buf_list_put, list) { - list_del(&lpfc_ncmd->list); - phba->put_nvme_bufs--; - dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, - lpfc_ncmd->dma_handle); - kfree(lpfc_ncmd); - phba->total_nvme_bufs--; + for (idx = 0; idx < phba->cfg_hdw_queue; idx++) { + qp = &phba->sli4_hba.hdwq[idx]; + /* Release all the lpfc_nvme_bufs maintained by this host. */ + spin_lock(&qp->io_buf_list_put_lock); + list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, + &qp->lpfc_io_buf_list_put, + list) { + list_del(&lpfc_ncmd->list); + qp->put_io_bufs--; + dma_pool_free(phba->lpfc_sg_dma_buf_pool, + lpfc_ncmd->data, lpfc_ncmd->dma_handle); + if (phba->cfg_xpsgl && !phba->nvmet_support) + lpfc_put_sgl_per_hdwq(phba, lpfc_ncmd); + lpfc_put_cmd_rsp_buf_per_hdwq(phba, lpfc_ncmd); + kfree(lpfc_ncmd); + qp->total_io_bufs--; + } + spin_unlock(&qp->io_buf_list_put_lock); + + spin_lock(&qp->io_buf_list_get_lock); + list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, + &qp->lpfc_io_buf_list_get, + list) { + list_del(&lpfc_ncmd->list); + qp->get_io_bufs--; + dma_pool_free(phba->lpfc_sg_dma_buf_pool, + lpfc_ncmd->data, lpfc_ncmd->dma_handle); + if (phba->cfg_xpsgl && !phba->nvmet_support) + lpfc_put_sgl_per_hdwq(phba, lpfc_ncmd); + lpfc_put_cmd_rsp_buf_per_hdwq(phba, lpfc_ncmd); + kfree(lpfc_ncmd); + qp->total_io_bufs--; + } + spin_unlock(&qp->io_buf_list_get_lock); } - spin_unlock(&phba->nvme_buf_list_put_lock); - - spin_lock(&phba->nvme_buf_list_get_lock); - list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, - &phba->lpfc_nvme_buf_list_get, list) { - list_del(&lpfc_ncmd->list); - phba->get_nvme_bufs--; - dma_pool_free(phba->lpfc_sg_dma_buf_pool, lpfc_ncmd->data, - lpfc_ncmd->dma_handle); - kfree(lpfc_ncmd); - phba->total_nvme_bufs--; - } - spin_unlock(&phba->nvme_buf_list_get_lock); - spin_unlock_irq(&phba->hbalock); } + /** * lpfc_sli4_els_sgl_update - update ELS xri-sgl sizing and mapping * @phba: pointer to lpfc hba data structure. @@ -3436,7 +4067,8 @@ lpfc_sli4_els_sgl_update(struct lpfc_hba *phba) sglq_entry = kzalloc(sizeof(struct lpfc_sglq), GFP_KERNEL); if (sglq_entry == NULL) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "2562 Failure to allocate an " "ELS sgl entry:%d\n", i); rc = -ENOMEM; @@ -3447,7 +4079,8 @@ lpfc_sli4_els_sgl_update(struct lpfc_hba *phba) &sglq_entry->phys); if (sglq_entry->virt == NULL) { kfree(sglq_entry); - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "2563 Failure to allocate an " "ELS mbuf:%d\n", i); rc = -ENOMEM; @@ -3458,12 +4091,10 @@ lpfc_sli4_els_sgl_update(struct lpfc_hba *phba) sglq_entry->state = SGL_FREED; list_add_tail(&sglq_entry->list, &els_sgl_list); } - spin_lock_irq(&phba->hbalock); - spin_lock(&phba->sli4_hba.sgl_list_lock); + spin_lock_irq(&phba->sli4_hba.sgl_list_lock); list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_els_sgl_list); - spin_unlock(&phba->sli4_hba.sgl_list_lock); - spin_unlock_irq(&phba->hbalock); + spin_unlock_irq(&phba->sli4_hba.sgl_list_lock); } else if (els_xri_cnt < phba->sli4_hba.els_xri_cnt) { /* els xri-sgl shrinked */ xri_cnt = phba->sli4_hba.els_xri_cnt - els_xri_cnt; @@ -3471,8 +4102,7 @@ lpfc_sli4_els_sgl_update(struct lpfc_hba *phba) "3158 ELS xri-sgl count decreased from " "%d to %d\n", phba->sli4_hba.els_xri_cnt, els_xri_cnt); - spin_lock_irq(&phba->hbalock); - spin_lock(&phba->sli4_hba.sgl_list_lock); + spin_lock_irq(&phba->sli4_hba.sgl_list_lock); list_splice_init(&phba->sli4_hba.lpfc_els_sgl_list, &els_sgl_list); /* release extra els sgls from list */ @@ -3487,8 +4117,7 @@ lpfc_sli4_els_sgl_update(struct lpfc_hba *phba) } list_splice_init(&els_sgl_list, &phba->sli4_hba.lpfc_els_sgl_list); - spin_unlock(&phba->sli4_hba.sgl_list_lock); - spin_unlock_irq(&phba->hbalock); + spin_unlock_irq(&phba->sli4_hba.sgl_list_lock); } else lpfc_printf_log(phba, KERN_INFO, LOG_SLI, "3163 ELS xri-sgl count unchanged: %d\n", @@ -3502,7 +4131,8 @@ lpfc_sli4_els_sgl_update(struct lpfc_hba *phba) &phba->sli4_hba.lpfc_els_sgl_list, list) { lxri = lpfc_sli4_next_xritag(phba); if (lxri == NO_XRI) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "2400 Failed to allocate xri for " "ELS sgl\n"); rc = -ENOMEM; @@ -3557,7 +4187,8 @@ lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba) sglq_entry = kzalloc(sizeof(struct lpfc_sglq), GFP_KERNEL); if (sglq_entry == NULL) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "6303 Failure to allocate an " "NVMET sgl entry:%d\n", i); rc = -ENOMEM; @@ -3568,7 +4199,8 @@ lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba) &sglq_entry->phys); if (sglq_entry->virt == NULL) { kfree(sglq_entry); - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "6304 Failure to allocate an " "NVMET buf:%d\n", i); rc = -ENOMEM; @@ -3624,7 +4256,8 @@ lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba) &phba->sli4_hba.lpfc_nvmet_sgl_list, list) { lxri = lpfc_sli4_next_xritag(phba); if (lxri == NO_XRI) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "6307 Failed to allocate xri for " "NVMET sgl\n"); rc = -ENOMEM; @@ -3640,8 +4273,103 @@ out_free_mem: return rc; } +int +lpfc_io_buf_flush(struct lpfc_hba *phba, struct list_head *cbuf) +{ + LIST_HEAD(blist); + struct lpfc_sli4_hdw_queue *qp; + struct lpfc_io_buf *lpfc_cmd; + struct lpfc_io_buf *iobufp, *prev_iobufp; + int idx, cnt, xri, inserted; + + cnt = 0; + for (idx = 0; idx < phba->cfg_hdw_queue; idx++) { + qp = &phba->sli4_hba.hdwq[idx]; + spin_lock_irq(&qp->io_buf_list_get_lock); + spin_lock(&qp->io_buf_list_put_lock); + + /* Take everything off the get and put lists */ + list_splice_init(&qp->lpfc_io_buf_list_get, &blist); + list_splice(&qp->lpfc_io_buf_list_put, &blist); + INIT_LIST_HEAD(&qp->lpfc_io_buf_list_get); + INIT_LIST_HEAD(&qp->lpfc_io_buf_list_put); + cnt += qp->get_io_bufs + qp->put_io_bufs; + qp->get_io_bufs = 0; + qp->put_io_bufs = 0; + qp->total_io_bufs = 0; + spin_unlock(&qp->io_buf_list_put_lock); + spin_unlock_irq(&qp->io_buf_list_get_lock); + } + + /* + * Take IO buffers off blist and put on cbuf sorted by XRI. + * This is because POST_SGL takes a sequential range of XRIs + * to post to the firmware. + */ + for (idx = 0; idx < cnt; idx++) { + list_remove_head(&blist, lpfc_cmd, struct lpfc_io_buf, list); + if (!lpfc_cmd) + return cnt; + if (idx == 0) { + list_add_tail(&lpfc_cmd->list, cbuf); + continue; + } + xri = lpfc_cmd->cur_iocbq.sli4_xritag; + inserted = 0; + prev_iobufp = NULL; + list_for_each_entry(iobufp, cbuf, list) { + if (xri < iobufp->cur_iocbq.sli4_xritag) { + if (prev_iobufp) + list_add(&lpfc_cmd->list, + &prev_iobufp->list); + else + list_add(&lpfc_cmd->list, cbuf); + inserted = 1; + break; + } + prev_iobufp = iobufp; + } + if (!inserted) + list_add_tail(&lpfc_cmd->list, cbuf); + } + return cnt; +} + +int +lpfc_io_buf_replenish(struct lpfc_hba *phba, struct list_head *cbuf) +{ + struct lpfc_sli4_hdw_queue *qp; + struct lpfc_io_buf *lpfc_cmd; + int idx, cnt; + unsigned long iflags; + + qp = phba->sli4_hba.hdwq; + cnt = 0; + while (!list_empty(cbuf)) { + for (idx = 0; idx < phba->cfg_hdw_queue; idx++) { + list_remove_head(cbuf, lpfc_cmd, + struct lpfc_io_buf, list); + if (!lpfc_cmd) + return cnt; + cnt++; + qp = &phba->sli4_hba.hdwq[idx]; + lpfc_cmd->hdwq_no = idx; + lpfc_cmd->hdwq = qp; + lpfc_cmd->cur_iocbq.cmd_cmpl = NULL; + spin_lock_irqsave(&qp->io_buf_list_put_lock, iflags); + list_add_tail(&lpfc_cmd->list, + &qp->lpfc_io_buf_list_put); + qp->put_io_bufs++; + qp->total_io_bufs++; + spin_unlock_irqrestore(&qp->io_buf_list_put_lock, + iflags); + } + } + return cnt; +} + /** - * lpfc_sli4_scsi_sgl_update - update xri-sgl sizing and mapping + * lpfc_sli4_io_sgl_update - update xri-sgl sizing and mapping * @phba: pointer to lpfc hba data structure. * * This routine first calculates the sizes of the current els and allocated @@ -3653,94 +4381,194 @@ out_free_mem: * 0 - successful (for now, it always returns 0) **/ int -lpfc_sli4_scsi_sgl_update(struct lpfc_hba *phba) +lpfc_sli4_io_sgl_update(struct lpfc_hba *phba) { - struct lpfc_scsi_buf *psb, *psb_next; - uint16_t i, lxri, els_xri_cnt, scsi_xri_cnt; - LIST_HEAD(scsi_sgl_list); - int rc; - - /* - * update on pci function's els xri-sgl list - */ - els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); - phba->total_scsi_bufs = 0; + struct lpfc_io_buf *lpfc_ncmd = NULL, *lpfc_ncmd_next = NULL; + uint16_t i, lxri, els_xri_cnt; + uint16_t io_xri_cnt, io_xri_max; + LIST_HEAD(io_sgl_list); + int rc, cnt; /* - * update on pci function's allocated scsi xri-sgl list + * update on pci function's allocated nvme xri-sgl list */ - /* maximum number of xris available for scsi buffers */ - phba->sli4_hba.scsi_xri_max = phba->sli4_hba.max_cfg_param.max_xri - - els_xri_cnt; - if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) - return 0; + /* maximum number of xris available for nvme buffers */ + els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); + io_xri_max = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; + phba->sli4_hba.io_xri_max = io_xri_max; - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) - phba->sli4_hba.scsi_xri_max = /* Split them up */ - (phba->sli4_hba.scsi_xri_max * - phba->cfg_xri_split) / 100; + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + "6074 Current allocated XRI sgl count:%d, " + "maximum XRI count:%d els_xri_cnt:%d\n\n", + phba->sli4_hba.io_xri_cnt, + phba->sli4_hba.io_xri_max, + els_xri_cnt); - spin_lock_irq(&phba->scsi_buf_list_get_lock); - spin_lock(&phba->scsi_buf_list_put_lock); - list_splice_init(&phba->lpfc_scsi_buf_list_get, &scsi_sgl_list); - list_splice(&phba->lpfc_scsi_buf_list_put, &scsi_sgl_list); - spin_unlock(&phba->scsi_buf_list_put_lock); - spin_unlock_irq(&phba->scsi_buf_list_get_lock); + cnt = lpfc_io_buf_flush(phba, &io_sgl_list); - lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "6060 Current allocated SCSI xri-sgl count:%d, " - "maximum SCSI xri count:%d (split:%d)\n", - phba->sli4_hba.scsi_xri_cnt, - phba->sli4_hba.scsi_xri_max, phba->cfg_xri_split); - - if (phba->sli4_hba.scsi_xri_cnt > phba->sli4_hba.scsi_xri_max) { - /* max scsi xri shrinked below the allocated scsi buffers */ - scsi_xri_cnt = phba->sli4_hba.scsi_xri_cnt - - phba->sli4_hba.scsi_xri_max; - /* release the extra allocated scsi buffers */ - for (i = 0; i < scsi_xri_cnt; i++) { - list_remove_head(&scsi_sgl_list, psb, - struct lpfc_scsi_buf, list); - if (psb) { + if (phba->sli4_hba.io_xri_cnt > phba->sli4_hba.io_xri_max) { + /* max nvme xri shrunk below the allocated nvme buffers */ + io_xri_cnt = phba->sli4_hba.io_xri_cnt - + phba->sli4_hba.io_xri_max; + /* release the extra allocated nvme buffers */ + for (i = 0; i < io_xri_cnt; i++) { + list_remove_head(&io_sgl_list, lpfc_ncmd, + struct lpfc_io_buf, list); + if (lpfc_ncmd) { dma_pool_free(phba->lpfc_sg_dma_buf_pool, - psb->data, psb->dma_handle); - kfree(psb); + lpfc_ncmd->data, + lpfc_ncmd->dma_handle); + kfree(lpfc_ncmd); } } - spin_lock_irq(&phba->scsi_buf_list_get_lock); - phba->sli4_hba.scsi_xri_cnt -= scsi_xri_cnt; - spin_unlock_irq(&phba->scsi_buf_list_get_lock); + phba->sli4_hba.io_xri_cnt -= io_xri_cnt; } - /* update xris associated to remaining allocated scsi buffers */ - psb = NULL; - psb_next = NULL; - list_for_each_entry_safe(psb, psb_next, &scsi_sgl_list, list) { + /* update xris associated to remaining allocated nvme buffers */ + lpfc_ncmd = NULL; + lpfc_ncmd_next = NULL; + phba->sli4_hba.io_xri_cnt = cnt; + list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, + &io_sgl_list, list) { lxri = lpfc_sli4_next_xritag(phba); if (lxri == NO_XRI) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "2560 Failed to allocate xri for " - "scsi buffer\n"); + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, + "6075 Failed to allocate xri for " + "nvme buffer\n"); rc = -ENOMEM; goto out_free_mem; } - psb->cur_iocbq.sli4_lxritag = lxri; - psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; + lpfc_ncmd->cur_iocbq.sli4_lxritag = lxri; + lpfc_ncmd->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; } - spin_lock_irq(&phba->scsi_buf_list_get_lock); - spin_lock(&phba->scsi_buf_list_put_lock); - list_splice_init(&scsi_sgl_list, &phba->lpfc_scsi_buf_list_get); - INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); - spin_unlock(&phba->scsi_buf_list_put_lock); - spin_unlock_irq(&phba->scsi_buf_list_get_lock); + cnt = lpfc_io_buf_replenish(phba, &io_sgl_list); return 0; out_free_mem: - lpfc_scsi_free(phba); + lpfc_io_free(phba); return rc; } +/** + * lpfc_new_io_buf - IO buffer allocator for HBA with SLI4 IF spec + * @phba: Pointer to lpfc hba data structure. + * @num_to_alloc: The requested number of buffers to allocate. + * + * This routine allocates nvme buffers for device with SLI-4 interface spec, + * the nvme buffer contains all the necessary information needed to initiate + * an I/O. After allocating up to @num_to_allocate IO buffers and put + * them on a list, it post them to the port by using SGL block post. + * + * Return codes: + * int - number of IO buffers that were allocated and posted. + * 0 = failure, less than num_to_alloc is a partial failure. + **/ +int +lpfc_new_io_buf(struct lpfc_hba *phba, int num_to_alloc) +{ + struct lpfc_io_buf *lpfc_ncmd; + struct lpfc_iocbq *pwqeq; + uint16_t iotag, lxri = 0; + int bcnt, num_posted; + LIST_HEAD(prep_nblist); + LIST_HEAD(post_nblist); + LIST_HEAD(nvme_nblist); + + phba->sli4_hba.io_xri_cnt = 0; + for (bcnt = 0; bcnt < num_to_alloc; bcnt++) { + lpfc_ncmd = kzalloc(sizeof(*lpfc_ncmd), GFP_KERNEL); + if (!lpfc_ncmd) + break; + /* + * Get memory from the pci pool to map the virt space to + * pci bus space for an I/O. The DMA buffer includes the + * number of SGE's necessary to support the sg_tablesize. + */ + lpfc_ncmd->data = dma_pool_zalloc(phba->lpfc_sg_dma_buf_pool, + GFP_KERNEL, + &lpfc_ncmd->dma_handle); + if (!lpfc_ncmd->data) { + kfree(lpfc_ncmd); + break; + } + + if (phba->cfg_xpsgl && !phba->nvmet_support) { + INIT_LIST_HEAD(&lpfc_ncmd->dma_sgl_xtra_list); + } else { + /* + * 4K Page alignment is CRITICAL to BlockGuard, double + * check to be sure. + */ + if ((phba->sli3_options & LPFC_SLI3_BG_ENABLED) && + (((unsigned long)(lpfc_ncmd->data) & + (unsigned long)(SLI4_PAGE_SIZE - 1)) != 0)) { + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, + "3369 Memory alignment err: " + "addr=%lx\n", + (unsigned long)lpfc_ncmd->data); + dma_pool_free(phba->lpfc_sg_dma_buf_pool, + lpfc_ncmd->data, + lpfc_ncmd->dma_handle); + kfree(lpfc_ncmd); + break; + } + } + + INIT_LIST_HEAD(&lpfc_ncmd->dma_cmd_rsp_list); + + lxri = lpfc_sli4_next_xritag(phba); + if (lxri == NO_XRI) { + dma_pool_free(phba->lpfc_sg_dma_buf_pool, + lpfc_ncmd->data, lpfc_ncmd->dma_handle); + kfree(lpfc_ncmd); + break; + } + pwqeq = &lpfc_ncmd->cur_iocbq; + + /* Allocate iotag for lpfc_ncmd->cur_iocbq. */ + iotag = lpfc_sli_next_iotag(phba, pwqeq); + if (iotag == 0) { + dma_pool_free(phba->lpfc_sg_dma_buf_pool, + lpfc_ncmd->data, lpfc_ncmd->dma_handle); + kfree(lpfc_ncmd); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "6121 Failed to allocate IOTAG for" + " XRI:0x%x\n", lxri); + lpfc_sli4_free_xri(phba, lxri); + break; + } + pwqeq->sli4_lxritag = lxri; + pwqeq->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; + + /* Initialize local short-hand pointers. */ + lpfc_ncmd->dma_sgl = lpfc_ncmd->data; + lpfc_ncmd->dma_phys_sgl = lpfc_ncmd->dma_handle; + lpfc_ncmd->cur_iocbq.io_buf = lpfc_ncmd; + spin_lock_init(&lpfc_ncmd->buf_lock); + + /* add the nvme buffer to a post list */ + list_add_tail(&lpfc_ncmd->list, &post_nblist); + phba->sli4_hba.io_xri_cnt++; + } + lpfc_printf_log(phba, KERN_INFO, LOG_NVME, + "6114 Allocate %d out of %d requested new NVME " + "buffers of size x%zu bytes\n", bcnt, num_to_alloc, + sizeof(*lpfc_ncmd)); + + + /* post the list of nvme buffer sgls to port if available */ + if (!list_empty(&post_nblist)) + num_posted = lpfc_sli4_post_io_sgl_list( + phba, &post_nblist, bcnt); + else + num_posted = 0; + + return num_posted; +} + static uint64_t lpfc_get_wwpn(struct lpfc_hba *phba) { @@ -3758,7 +4586,7 @@ lpfc_get_wwpn(struct lpfc_hba *phba) lpfc_read_nv(phba, mboxq); rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); if (rc != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6019 Mailbox failed , mbxCmd x%x " "READ_NV, mbxStatus x%x\n", bf_get(lpfc_mqe_command, &mboxq->u.mqe), @@ -3776,109 +4604,64 @@ lpfc_get_wwpn(struct lpfc_hba *phba) return rol64(wwn, 32); } +static unsigned short lpfc_get_sg_tablesize(struct lpfc_hba *phba) +{ + if (phba->sli_rev == LPFC_SLI_REV4) + if (phba->cfg_xpsgl && !phba->nvmet_support) + return LPFC_MAX_SG_TABLESIZE; + else + return phba->cfg_scsi_seg_cnt; + else + return phba->cfg_sg_seg_cnt; +} + /** - * lpfc_sli4_nvme_sgl_update - update xri-sgl sizing and mapping + * lpfc_vmid_res_alloc - Allocates resources for VMID * @phba: pointer to lpfc hba data structure. + * @vport: pointer to vport data structure * - * This routine first calculates the sizes of the current els and allocated - * scsi sgl lists, and then goes through all sgls to updates the physical - * XRIs assigned due to port function reset. During port initialization, the - * current els and allocated scsi sgl lists are 0s. + * This routine allocated the resources needed for the VMID. * * Return codes - * 0 - successful (for now, it always returns 0) - **/ -int -lpfc_sli4_nvme_sgl_update(struct lpfc_hba *phba) + * 0 on Success + * Non-0 on Failure + */ +static int +lpfc_vmid_res_alloc(struct lpfc_hba *phba, struct lpfc_vport *vport) { - struct lpfc_nvme_buf *lpfc_ncmd = NULL, *lpfc_ncmd_next = NULL; - uint16_t i, lxri, els_xri_cnt; - uint16_t nvme_xri_cnt, nvme_xri_max; - LIST_HEAD(nvme_sgl_list); - int rc, cnt; + /* VMID feature is supported only on SLI4 */ + if (phba->sli_rev == LPFC_SLI_REV3) { + phba->cfg_vmid_app_header = 0; + phba->cfg_vmid_priority_tagging = 0; + } - phba->total_nvme_bufs = 0; - phba->get_nvme_bufs = 0; - phba->put_nvme_bufs = 0; + if (lpfc_is_vmid_enabled(phba)) { + vport->vmid = + kcalloc(phba->cfg_max_vmid, sizeof(struct lpfc_vmid), + GFP_KERNEL); + if (!vport->vmid) + return -ENOMEM; - if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) - return 0; - /* - * update on pci function's allocated nvme xri-sgl list - */ + rwlock_init(&vport->vmid_lock); - /* maximum number of xris available for nvme buffers */ - els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); - nvme_xri_max = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; - phba->sli4_hba.nvme_xri_max = nvme_xri_max; - phba->sli4_hba.nvme_xri_max -= phba->sli4_hba.scsi_xri_max; + /* Set the VMID parameters for the vport */ + vport->vmid_priority_tagging = phba->cfg_vmid_priority_tagging; + vport->vmid_inactivity_timeout = + phba->cfg_vmid_inactivity_timeout; + vport->max_vmid = phba->cfg_max_vmid; + vport->cur_vmid_cnt = 0; - lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "6074 Current allocated NVME xri-sgl count:%d, " - "maximum NVME xri count:%d\n", - phba->sli4_hba.nvme_xri_cnt, - phba->sli4_hba.nvme_xri_max); - - spin_lock_irq(&phba->nvme_buf_list_get_lock); - spin_lock(&phba->nvme_buf_list_put_lock); - list_splice_init(&phba->lpfc_nvme_buf_list_get, &nvme_sgl_list); - list_splice(&phba->lpfc_nvme_buf_list_put, &nvme_sgl_list); - cnt = phba->get_nvme_bufs + phba->put_nvme_bufs; - phba->get_nvme_bufs = 0; - phba->put_nvme_bufs = 0; - spin_unlock(&phba->nvme_buf_list_put_lock); - spin_unlock_irq(&phba->nvme_buf_list_get_lock); - - if (phba->sli4_hba.nvme_xri_cnt > phba->sli4_hba.nvme_xri_max) { - /* max nvme xri shrunk below the allocated nvme buffers */ - spin_lock_irq(&phba->nvme_buf_list_get_lock); - nvme_xri_cnt = phba->sli4_hba.nvme_xri_cnt - - phba->sli4_hba.nvme_xri_max; - spin_unlock_irq(&phba->nvme_buf_list_get_lock); - /* release the extra allocated nvme buffers */ - for (i = 0; i < nvme_xri_cnt; i++) { - list_remove_head(&nvme_sgl_list, lpfc_ncmd, - struct lpfc_nvme_buf, list); - if (lpfc_ncmd) { - dma_pool_free(phba->lpfc_sg_dma_buf_pool, - lpfc_ncmd->data, - lpfc_ncmd->dma_handle); - kfree(lpfc_ncmd); - } - } - spin_lock_irq(&phba->nvme_buf_list_get_lock); - phba->sli4_hba.nvme_xri_cnt -= nvme_xri_cnt; - spin_unlock_irq(&phba->nvme_buf_list_get_lock); - } + vport->vmid_priority_range = bitmap_zalloc + (LPFC_VMID_MAX_PRIORITY_RANGE, GFP_KERNEL); - /* update xris associated to remaining allocated nvme buffers */ - lpfc_ncmd = NULL; - lpfc_ncmd_next = NULL; - list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, - &nvme_sgl_list, list) { - lxri = lpfc_sli4_next_xritag(phba); - if (lxri == NO_XRI) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "6075 Failed to allocate xri for " - "nvme buffer\n"); - rc = -ENOMEM; - goto out_free_mem; + if (!vport->vmid_priority_range) { + kfree(vport->vmid); + return -ENOMEM; } - lpfc_ncmd->cur_iocbq.sli4_lxritag = lxri; - lpfc_ncmd->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri]; + + hash_init(vport->hash_table); } - spin_lock_irq(&phba->nvme_buf_list_get_lock); - spin_lock(&phba->nvme_buf_list_put_lock); - list_splice_init(&nvme_sgl_list, &phba->lpfc_nvme_buf_list_get); - phba->get_nvme_bufs = cnt; - INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_put); - spin_unlock(&phba->nvme_buf_list_put_lock); - spin_unlock_irq(&phba->nvme_buf_list_get_lock); return 0; - -out_free_mem: - lpfc_nvme_free(phba); - return rc; } /** @@ -3902,11 +4685,13 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) { struct lpfc_vport *vport; struct Scsi_Host *shost = NULL; + struct scsi_host_template *template; int error = 0; int i; uint64_t wwn; bool use_no_reset_hba = false; int rc; + u8 if_type; if (lpfc_no_hba_reset_cnt) { if (phba->sli_rev < LPFC_SLI_REV4 && @@ -3922,7 +4707,8 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) for (i = 0; i < lpfc_no_hba_reset_cnt; i++) { if (wwn == lpfc_no_hba_reset[i]) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "6020 Setting use_no_reset port=%llx\n", wwn); use_no_reset_hba = true; @@ -3930,43 +4716,90 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) } } - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { - if (dev != &phba->pcidev->dev) { - shost = scsi_host_alloc(&lpfc_vport_template, - sizeof(struct lpfc_vport)); + /* Seed template for SCSI host registration */ + if (dev == &phba->pcidev->dev) { + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { + /* Seed physical port template */ + template = &lpfc_template; + + if (use_no_reset_hba) + /* template is for a no reset SCSI Host */ + template->eh_host_reset_handler = NULL; + + /* Seed updated value of sg_tablesize */ + template->sg_tablesize = lpfc_get_sg_tablesize(phba); } else { - if (!use_no_reset_hba) - shost = scsi_host_alloc(&lpfc_template, - sizeof(struct lpfc_vport)); - else - shost = scsi_host_alloc(&lpfc_template_no_hr, - sizeof(struct lpfc_vport)); + /* NVMET is for physical port only */ + template = &lpfc_template_nvme; } - } else if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { - shost = scsi_host_alloc(&lpfc_template_nvme, - sizeof(struct lpfc_vport)); + } else { + /* Seed vport template */ + template = &lpfc_vport_template; + + /* Seed updated value of sg_tablesize */ + template->sg_tablesize = lpfc_get_sg_tablesize(phba); } + + shost = scsi_host_alloc(template, sizeof(struct lpfc_vport)); if (!shost) goto out; vport = (struct lpfc_vport *) shost->hostdata; vport->phba = phba; - vport->load_flag |= FC_LOADING; - vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; + set_bit(FC_LOADING, &vport->load_flag); + set_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag); vport->fc_rscn_flush = 0; + atomic_set(&vport->fc_plogi_cnt, 0); + atomic_set(&vport->fc_adisc_cnt, 0); + atomic_set(&vport->fc_reglogin_cnt, 0); + atomic_set(&vport->fc_prli_cnt, 0); + atomic_set(&vport->fc_unmap_cnt, 0); + atomic_set(&vport->fc_map_cnt, 0); + atomic_set(&vport->fc_npr_cnt, 0); + atomic_set(&vport->fc_unused_cnt, 0); lpfc_get_vport_cfgparam(vport); + /* Adjust value in vport */ + vport->cfg_enable_fc4_type = phba->cfg_enable_fc4_type; + shost->unique_id = instance; shost->max_id = LPFC_MAX_TARGET; shost->max_lun = vport->cfg_max_luns; shost->this_id = -1; - shost->max_cmd_len = 16; - shost->nr_hw_queues = phba->cfg_fcp_io_channel; + + /* Set max_cmd_len applicable to ASIC support */ + if (phba->sli_rev == LPFC_SLI_REV4) { + if_type = bf_get(lpfc_sli_intf_if_type, + &phba->sli4_hba.sli_intf); + switch (if_type) { + case LPFC_SLI_INTF_IF_TYPE_2: + fallthrough; + case LPFC_SLI_INTF_IF_TYPE_6: + shost->max_cmd_len = LPFC_FCP_CDB_LEN_32; + break; + default: + shost->max_cmd_len = LPFC_FCP_CDB_LEN; + break; + } + } else { + shost->max_cmd_len = LPFC_FCP_CDB_LEN; + } + if (phba->sli_rev == LPFC_SLI_REV4) { + if (!phba->cfg_fcp_mq_threshold || + phba->cfg_fcp_mq_threshold > phba->cfg_hdw_queue) + phba->cfg_fcp_mq_threshold = phba->cfg_hdw_queue; + + shost->nr_hw_queues = min_t(int, 2 * num_possible_nodes(), + phba->cfg_fcp_mq_threshold); + shost->dma_boundary = phba->sli4_hba.pc_sli4_params.sge_supp_len-1; - shost->sg_tablesize = phba->cfg_scsi_seg_cnt; - } + } else + /* SLI-3 has a limited number of hardware queues (3), + * thus there is only one for FCP processing. + */ + shost->nr_hw_queues = 1; /* * Set initial can_queue value since 0 is no longer supported and @@ -3982,8 +4815,21 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) vport->port_type = LPFC_PHYSICAL_PORT; } + lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, + "9081 CreatePort TMPLATE type %x TBLsize %d " + "SEGcnt %d/%d\n", + vport->port_type, shost->sg_tablesize, + phba->cfg_scsi_seg_cnt, phba->cfg_sg_seg_cnt); + + /* Allocate the resources for VMID */ + rc = lpfc_vmid_res_alloc(phba, vport); + + if (rc) + goto out_put_shost; + /* Initialize all internally managed lists. */ INIT_LIST_HEAD(&vport->fc_nodes); + spin_lock_init(&vport->fc_nodes_list_lock); INIT_LIST_HEAD(&vport->rcv_buffer_list); spin_lock_init(&vport->work_port_lock); @@ -3993,15 +4839,21 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) timer_setup(&vport->delayed_disc_tmo, lpfc_delayed_disc_tmo, 0); + if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) + lpfc_setup_bg(phba, shost); + error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev); if (error) - goto out_put_shost; + goto out_free_vmid; spin_lock_irq(&phba->port_list_lock); list_add_tail(&vport->listentry, &phba->port_list); spin_unlock_irq(&phba->port_list_lock); return vport; +out_free_vmid: + kfree(vport->vmid); + bitmap_free(vport->vmid_priority_range); out_put_shost: scsi_host_put(shost); out: @@ -4075,18 +4927,18 @@ int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) spin_lock_irq(shost->host_lock); - if (vport->load_flag & FC_UNLOADING) { + if (test_bit(FC_UNLOADING, &vport->load_flag)) { stat = 1; goto finished; } - if (time >= msecs_to_jiffies(30 * 1000)) { + if (time >= secs_to_jiffies(30)) { lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0461 Scanning longer than 30 " "seconds. Continuing initialization\n"); stat = 1; goto finished; } - if (time >= msecs_to_jiffies(15 * 1000) && + if (time >= secs_to_jiffies(15) && phba->link_state <= LPFC_LINK_DOWN) { lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0465 Link down longer than 15 " @@ -4099,7 +4951,8 @@ int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) goto finished; if (vport->num_disc_nodes || vport->fc_prli_sent) goto finished; - if (vport->fc_map_cnt == 0 && time < msecs_to_jiffies(2 * 1000)) + if (!atomic_read(&vport->fc_map_cnt) && + time < secs_to_jiffies(2)) goto finished; if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) goto finished; @@ -4111,12 +4964,21 @@ finished: return stat; } -void lpfc_host_supported_speeds_set(struct Scsi_Host *shost) +static void lpfc_host_supported_speeds_set(struct Scsi_Host *shost) { struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; struct lpfc_hba *phba = vport->phba; fc_host_supported_speeds(shost) = 0; + /* + * Avoid reporting supported link speed for FCoE as it can't be + * controlled via FCoE. + */ + if (test_bit(HBA_FCOE_MODE, &phba->hba_flag)) + return; + + if (phba->lmt & LMT_256Gb) + fc_host_supported_speeds(shost) |= FC_PORTSPEED_256GBIT; if (phba->lmt & LMT_128Gb) fc_host_supported_speeds(shost) |= FC_PORTSPEED_128GBIT; if (phba->lmt & LMT_64Gb) @@ -4179,9 +5041,7 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost) fc_host_active_fc4s(shost)[7] = 1; fc_host_max_npiv_vports(shost) = phba->max_vpi; - spin_lock_irq(shost->host_lock); - vport->load_flag &= ~FC_LOADING; - spin_unlock_irq(shost->host_lock); + clear_bit(FC_LOADING, &vport->load_flag); } /** @@ -4220,7 +5080,8 @@ lpfc_stop_port_s4(struct lpfc_hba *phba) { /* Reset some HBA SLI4 setup states */ lpfc_stop_hba_timers(phba); - phba->pport->work_port_events = 0; + if (phba->pport) + phba->pport->work_port_events = 0; phba->sli4_hba.intr_enable = 0; } @@ -4263,7 +5124,7 @@ lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba) /** * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout - * @ptr: Map to lpfc_hba data structure pointer. + * @t: Timer context used to obtain the pointer to lpfc hba data structure. * * This routine is invoked when waiting for FCF table rediscover has been * timed out. If new FCF record(s) has (have) been discovered during the @@ -4274,7 +5135,7 @@ lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba) static void lpfc_sli4_fcf_redisc_wait_tmo(struct timer_list *t) { - struct lpfc_hba *phba = from_timer(phba, t, fcf.redisc_wait); + struct lpfc_hba *phba = timer_container_of(phba, t, fcf.redisc_wait); /* Don't send FCF rediscovery event if timer cancelled */ spin_lock_irq(&phba->hbalock); @@ -4294,6 +5155,43 @@ lpfc_sli4_fcf_redisc_wait_tmo(struct timer_list *t) } /** + * lpfc_vmid_poll - VMID timeout detection + * @t: Timer context used to obtain the pointer to lpfc hba data structure. + * + * This routine is invoked when there is no I/O on by a VM for the specified + * amount of time. When this situation is detected, the VMID has to be + * deregistered from the switch and all the local resources freed. The VMID + * will be reassigned to the VM once the I/O begins. + **/ +static void +lpfc_vmid_poll(struct timer_list *t) +{ + struct lpfc_hba *phba = timer_container_of(phba, t, + inactive_vmid_poll); + u32 wake_up = 0; + + /* check if there is a need to issue QFPA */ + if (phba->pport->vmid_priority_tagging) { + wake_up = 1; + phba->pport->work_port_events |= WORKER_CHECK_VMID_ISSUE_QFPA; + } + + /* Is the vmid inactivity timer enabled */ + if (phba->pport->vmid_inactivity_timeout || + test_bit(FC_DEREGISTER_ALL_APP_ID, &phba->pport->load_flag)) { + wake_up = 1; + phba->pport->work_port_events |= WORKER_CHECK_INACTIVE_VMID; + } + + if (wake_up) + lpfc_worker_wake_up(phba); + + /* restart the timer for the next iteration */ + mod_timer(&phba->inactive_vmid_poll, + jiffies + secs_to_jiffies(LPFC_VMID_TIMER)); +} + +/** * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code * @phba: pointer to lpfc hba data structure. * @acqe_link: pointer to the async link completion queue entry. @@ -4304,16 +5202,25 @@ static void lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba, struct lpfc_acqe_link *acqe_link) { - switch (bf_get(lpfc_acqe_link_fault, acqe_link)) { - case LPFC_ASYNC_LINK_FAULT_NONE: - case LPFC_ASYNC_LINK_FAULT_LOCAL: - case LPFC_ASYNC_LINK_FAULT_REMOTE: - case LPFC_ASYNC_LINK_FAULT_LR_LRR: + switch (bf_get(lpfc_acqe_fc_la_att_type, acqe_link)) { + case LPFC_FC_LA_TYPE_LINK_DOWN: + case LPFC_FC_LA_TYPE_TRUNKING_EVENT: + case LPFC_FC_LA_TYPE_ACTIVATE_FAIL: + case LPFC_FC_LA_TYPE_LINK_RESET_PRTCL_EVT: break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0398 Unknown link fault code: x%x\n", - bf_get(lpfc_acqe_link_fault, acqe_link)); + switch (bf_get(lpfc_acqe_link_fault, acqe_link)) { + case LPFC_ASYNC_LINK_FAULT_NONE: + case LPFC_ASYNC_LINK_FAULT_LOCAL: + case LPFC_ASYNC_LINK_FAULT_REMOTE: + case LPFC_ASYNC_LINK_FAULT_LR_LRR: + break; + default: + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0398 Unknown link fault code: x%x\n", + bf_get(lpfc_acqe_link_fault, acqe_link)); + break; + } break; } } @@ -4347,7 +5254,7 @@ lpfc_sli4_parse_latt_type(struct lpfc_hba *phba, att_type = LPFC_ATT_LINK_UP; break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0399 Invalid link attention type: x%x\n", bf_get(lpfc_acqe_link_status, acqe_link)); att_type = LPFC_ATT_RESERVED; @@ -4449,6 +5356,9 @@ lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code, case LPFC_ASYNC_LINK_SPEED_40GBPS: port_speed = 40000; break; + case LPFC_ASYNC_LINK_SPEED_100GBPS: + port_speed = 100000; + break; default: port_speed = 0; } @@ -4485,6 +5395,9 @@ lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code, case LPFC_FC_LA_SPEED_128G: port_speed = 128000; break; + case LPFC_FC_LA_SPEED_256G: + port_speed = 256000; + break; default: port_speed = 0; } @@ -4506,7 +5419,6 @@ static void lpfc_sli4_async_link_evt(struct lpfc_hba *phba, struct lpfc_acqe_link *acqe_link) { - struct lpfc_dmabuf *mp; LPFC_MBOXQ_t *pmb; MAILBOX_t *mb; struct lpfc_mbx_read_top *la; @@ -4519,22 +5431,17 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba, phba->fcoe_eventtag = acqe_link->event_tag; pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!pmb) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0395 The mboxq allocation failed\n"); return; } - mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); - if (!mp) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "0396 The lpfc_dmabuf allocation failed\n"); + + rc = lpfc_mbox_rsrc_prep(phba, pmb); + if (rc) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0396 mailbox allocation failed\n"); goto out_free_pmb; } - mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); - if (!mp->virt) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "0397 The mbuf allocation failed\n"); - goto out_free_dmabuf; - } /* Cleanup any outstanding ELS commands */ lpfc_els_flush_all_cmd(phba); @@ -4546,7 +5453,7 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba, phba->sli.slistat.link_event++; /* Create lpfc_handle_latt mailbox command from link ACQE */ - lpfc_read_topology(phba, pmb, mp); + lpfc_read_topology(phba, pmb, pmb->ctx_buf); pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; pmb->vport = phba->pport; @@ -4582,10 +5489,10 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba, * For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch * topology info. Note: Optional for non FC-AL ports. */ - if (!(phba->hba_flag & HBA_FCOE_MODE)) { + if (!test_bit(HBA_FCOE_MODE, &phba->hba_flag)) { rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) - goto out_free_dmabuf; + goto out_free_pmb; return; } /* @@ -4607,7 +5514,7 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba, bf_set(lpfc_mbx_read_top_link_spd, la, (bf_get(lpfc_acqe_link_speed, acqe_link))); - /* Fake the the following irrelvant fields */ + /* Fake the following irrelevant fields */ bf_set(lpfc_mbx_read_top_topology, la, LPFC_TOPOLOGY_PT_PT); bf_set(lpfc_mbx_read_top_alpa_granted, la, 0); bf_set(lpfc_mbx_read_top_il, la, 0); @@ -4620,17 +5527,14 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba, return; -out_free_dmabuf: - kfree(mp); out_free_pmb: - mempool_free(pmb, phba->mbox_mem_pool); + lpfc_mbox_rsrc_cleanup(phba, pmb, MBOX_THD_UNLOCKED); } /** * lpfc_async_link_speed_to_read_top - Parse async evt link speed code to read * topology. * @phba: pointer to lpfc hba data structure. - * @evt_code: asynchronous event code. * @speed_code: asynchronous event link speed code. * * This routine is to parse the giving SLI4 async event link speed code into @@ -4679,6 +5583,544 @@ lpfc_async_link_speed_to_read_top(struct lpfc_hba *phba, uint8_t speed_code) return port_speed; } +void +lpfc_cgn_dump_rxmonitor(struct lpfc_hba *phba) +{ + if (!phba->rx_monitor) { + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "4411 Rx Monitor Info is empty.\n"); + } else { + lpfc_rx_monitor_report(phba, phba->rx_monitor, NULL, 0, + LPFC_MAX_RXMONITOR_DUMP); + } +} + +/** + * lpfc_cgn_update_stat - Save data into congestion stats buffer + * @phba: pointer to lpfc hba data structure. + * @dtag: FPIN descriptor received + * + * Increment the FPIN received counter/time when it happens. + */ +void +lpfc_cgn_update_stat(struct lpfc_hba *phba, uint32_t dtag) +{ + struct lpfc_cgn_info *cp; + u32 value; + + /* Make sure we have a congestion info buffer */ + if (!phba->cgn_i) + return; + cp = (struct lpfc_cgn_info *)phba->cgn_i->virt; + + /* Update congestion statistics */ + switch (dtag) { + case ELS_DTAG_LNK_INTEGRITY: + le32_add_cpu(&cp->link_integ_notification, 1); + lpfc_cgn_update_tstamp(phba, &cp->stat_lnk); + break; + case ELS_DTAG_DELIVERY: + le32_add_cpu(&cp->delivery_notification, 1); + lpfc_cgn_update_tstamp(phba, &cp->stat_delivery); + break; + case ELS_DTAG_PEER_CONGEST: + le32_add_cpu(&cp->cgn_peer_notification, 1); + lpfc_cgn_update_tstamp(phba, &cp->stat_peer); + break; + case ELS_DTAG_CONGESTION: + le32_add_cpu(&cp->cgn_notification, 1); + lpfc_cgn_update_tstamp(phba, &cp->stat_fpin); + } + if (phba->cgn_fpin_frequency && + phba->cgn_fpin_frequency != LPFC_FPIN_INIT_FREQ) { + value = LPFC_CGN_TIMER_TO_MIN / phba->cgn_fpin_frequency; + cp->cgn_stat_npm = value; + } + + value = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, + LPFC_CGN_CRC32_SEED); + cp->cgn_info_crc = cpu_to_le32(value); +} + +/** + * lpfc_cgn_update_tstamp - Update cmf timestamp + * @phba: pointer to lpfc hba data structure. + * @ts: structure to write the timestamp to. + */ +void +lpfc_cgn_update_tstamp(struct lpfc_hba *phba, struct lpfc_cgn_ts *ts) +{ + struct timespec64 cur_time; + struct tm tm_val; + + ktime_get_real_ts64(&cur_time); + time64_to_tm(cur_time.tv_sec, 0, &tm_val); + + ts->month = tm_val.tm_mon + 1; + ts->day = tm_val.tm_mday; + ts->year = tm_val.tm_year - 100; + ts->hour = tm_val.tm_hour; + ts->minute = tm_val.tm_min; + ts->second = tm_val.tm_sec; + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "2646 Updated CMF timestamp : " + "%u/%u/%u %u:%u:%u\n", + ts->day, ts->month, + ts->year, ts->hour, + ts->minute, ts->second); +} + +/** + * lpfc_cmf_stats_timer - Save data into registered congestion buffer + * @timer: Timer cookie to access lpfc private data + * + * Save the congestion event data every minute. + * On the hour collapse all the minute data into hour data. Every day + * collapse all the hour data into daily data. Separate driver + * and fabrc congestion event counters that will be saved out + * to the registered congestion buffer every minute. + */ +static enum hrtimer_restart +lpfc_cmf_stats_timer(struct hrtimer *timer) +{ + struct lpfc_hba *phba; + struct lpfc_cgn_info *cp; + uint32_t i, index; + uint16_t value, mvalue; + uint64_t bps; + uint32_t mbps; + uint32_t dvalue, wvalue, lvalue, avalue; + uint64_t latsum; + __le16 *ptr; + __le32 *lptr; + __le16 *mptr; + + phba = container_of(timer, struct lpfc_hba, cmf_stats_timer); + /* Make sure we have a congestion info buffer */ + if (!phba->cgn_i) + return HRTIMER_NORESTART; + cp = (struct lpfc_cgn_info *)phba->cgn_i->virt; + + phba->cgn_evt_timestamp = jiffies + + msecs_to_jiffies(LPFC_CGN_TIMER_TO_MIN); + phba->cgn_evt_minute++; + + /* We should get to this point in the routine on 1 minute intervals */ + lpfc_cgn_update_tstamp(phba, &cp->base_time); + + if (phba->cgn_fpin_frequency && + phba->cgn_fpin_frequency != LPFC_FPIN_INIT_FREQ) { + value = LPFC_CGN_TIMER_TO_MIN / phba->cgn_fpin_frequency; + cp->cgn_stat_npm = value; + } + + /* Read and clear the latency counters for this minute */ + lvalue = atomic_read(&phba->cgn_latency_evt_cnt); + latsum = atomic64_read(&phba->cgn_latency_evt); + atomic_set(&phba->cgn_latency_evt_cnt, 0); + atomic64_set(&phba->cgn_latency_evt, 0); + + /* We need to store MB/sec bandwidth in the congestion information. + * block_cnt is count of 512 byte blocks for the entire minute, + * bps will get bytes per sec before finally converting to MB/sec. + */ + bps = div_u64(phba->rx_block_cnt, LPFC_SEC_MIN) * 512; + phba->rx_block_cnt = 0; + mvalue = bps / (1024 * 1024); /* convert to MB/sec */ + + /* Every minute */ + /* cgn parameters */ + cp->cgn_info_mode = phba->cgn_p.cgn_param_mode; + cp->cgn_info_level0 = phba->cgn_p.cgn_param_level0; + cp->cgn_info_level1 = phba->cgn_p.cgn_param_level1; + cp->cgn_info_level2 = phba->cgn_p.cgn_param_level2; + + /* Fill in default LUN qdepth */ + value = (uint16_t)(phba->pport->cfg_lun_queue_depth); + cp->cgn_lunq = cpu_to_le16(value); + + /* Record congestion buffer info - every minute + * cgn_driver_evt_cnt (Driver events) + * cgn_fabric_warn_cnt (Congestion Warnings) + * cgn_latency_evt_cnt / cgn_latency_evt (IO Latency) + * cgn_fabric_alarm_cnt (Congestion Alarms) + */ + index = ++cp->cgn_index_minute; + if (cp->cgn_index_minute == LPFC_MIN_HOUR) { + cp->cgn_index_minute = 0; + index = 0; + } + + /* Get the number of driver events in this sample and reset counter */ + dvalue = atomic_read(&phba->cgn_driver_evt_cnt); + atomic_set(&phba->cgn_driver_evt_cnt, 0); + + /* Get the number of warning events - FPIN and Signal for this minute */ + wvalue = 0; + if ((phba->cgn_reg_fpin & LPFC_CGN_FPIN_WARN) || + phba->cgn_reg_signal == EDC_CG_SIG_WARN_ONLY || + phba->cgn_reg_signal == EDC_CG_SIG_WARN_ALARM) + wvalue = atomic_read(&phba->cgn_fabric_warn_cnt); + atomic_set(&phba->cgn_fabric_warn_cnt, 0); + + /* Get the number of alarm events - FPIN and Signal for this minute */ + avalue = 0; + if ((phba->cgn_reg_fpin & LPFC_CGN_FPIN_ALARM) || + phba->cgn_reg_signal == EDC_CG_SIG_WARN_ALARM) + avalue = atomic_read(&phba->cgn_fabric_alarm_cnt); + atomic_set(&phba->cgn_fabric_alarm_cnt, 0); + + /* Collect the driver, warning, alarm and latency counts for this + * minute into the driver congestion buffer. + */ + ptr = &cp->cgn_drvr_min[index]; + value = (uint16_t)dvalue; + *ptr = cpu_to_le16(value); + + ptr = &cp->cgn_warn_min[index]; + value = (uint16_t)wvalue; + *ptr = cpu_to_le16(value); + + ptr = &cp->cgn_alarm_min[index]; + value = (uint16_t)avalue; + *ptr = cpu_to_le16(value); + + lptr = &cp->cgn_latency_min[index]; + if (lvalue) { + lvalue = (uint32_t)div_u64(latsum, lvalue); + *lptr = cpu_to_le32(lvalue); + } else { + *lptr = 0; + } + + /* Collect the bandwidth value into the driver's congesion buffer. */ + mptr = &cp->cgn_bw_min[index]; + *mptr = cpu_to_le16(mvalue); + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "2418 Congestion Info - minute (%d): %d %d %d %d %d\n", + index, dvalue, wvalue, *lptr, mvalue, avalue); + + /* Every hour */ + if ((phba->cgn_evt_minute % LPFC_MIN_HOUR) == 0) { + /* Record congestion buffer info - every hour + * Collapse all minutes into an hour + */ + index = ++cp->cgn_index_hour; + if (cp->cgn_index_hour == LPFC_HOUR_DAY) { + cp->cgn_index_hour = 0; + index = 0; + } + + dvalue = 0; + wvalue = 0; + lvalue = 0; + avalue = 0; + mvalue = 0; + mbps = 0; + for (i = 0; i < LPFC_MIN_HOUR; i++) { + dvalue += le16_to_cpu(cp->cgn_drvr_min[i]); + wvalue += le16_to_cpu(cp->cgn_warn_min[i]); + lvalue += le32_to_cpu(cp->cgn_latency_min[i]); + mbps += le16_to_cpu(cp->cgn_bw_min[i]); + avalue += le16_to_cpu(cp->cgn_alarm_min[i]); + } + if (lvalue) /* Avg of latency averages */ + lvalue /= LPFC_MIN_HOUR; + if (mbps) /* Avg of Bandwidth averages */ + mvalue = mbps / LPFC_MIN_HOUR; + + lptr = &cp->cgn_drvr_hr[index]; + *lptr = cpu_to_le32(dvalue); + lptr = &cp->cgn_warn_hr[index]; + *lptr = cpu_to_le32(wvalue); + lptr = &cp->cgn_latency_hr[index]; + *lptr = cpu_to_le32(lvalue); + mptr = &cp->cgn_bw_hr[index]; + *mptr = cpu_to_le16(mvalue); + lptr = &cp->cgn_alarm_hr[index]; + *lptr = cpu_to_le32(avalue); + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "2419 Congestion Info - hour " + "(%d): %d %d %d %d %d\n", + index, dvalue, wvalue, lvalue, mvalue, avalue); + } + + /* Every day */ + if ((phba->cgn_evt_minute % LPFC_MIN_DAY) == 0) { + /* Record congestion buffer info - every hour + * Collapse all hours into a day. Rotate days + * after LPFC_MAX_CGN_DAYS. + */ + index = ++cp->cgn_index_day; + if (cp->cgn_index_day == LPFC_MAX_CGN_DAYS) { + cp->cgn_index_day = 0; + index = 0; + } + + dvalue = 0; + wvalue = 0; + lvalue = 0; + mvalue = 0; + mbps = 0; + avalue = 0; + for (i = 0; i < LPFC_HOUR_DAY; i++) { + dvalue += le32_to_cpu(cp->cgn_drvr_hr[i]); + wvalue += le32_to_cpu(cp->cgn_warn_hr[i]); + lvalue += le32_to_cpu(cp->cgn_latency_hr[i]); + mbps += le16_to_cpu(cp->cgn_bw_hr[i]); + avalue += le32_to_cpu(cp->cgn_alarm_hr[i]); + } + if (lvalue) /* Avg of latency averages */ + lvalue /= LPFC_HOUR_DAY; + if (mbps) /* Avg of Bandwidth averages */ + mvalue = mbps / LPFC_HOUR_DAY; + + lptr = &cp->cgn_drvr_day[index]; + *lptr = cpu_to_le32(dvalue); + lptr = &cp->cgn_warn_day[index]; + *lptr = cpu_to_le32(wvalue); + lptr = &cp->cgn_latency_day[index]; + *lptr = cpu_to_le32(lvalue); + mptr = &cp->cgn_bw_day[index]; + *mptr = cpu_to_le16(mvalue); + lptr = &cp->cgn_alarm_day[index]; + *lptr = cpu_to_le32(avalue); + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "2420 Congestion Info - daily (%d): " + "%d %d %d %d %d\n", + index, dvalue, wvalue, lvalue, mvalue, avalue); + } + + /* Use the frequency found in the last rcv'ed FPIN */ + value = phba->cgn_fpin_frequency; + cp->cgn_warn_freq = cpu_to_le16(value); + cp->cgn_alarm_freq = cpu_to_le16(value); + + lvalue = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, + LPFC_CGN_CRC32_SEED); + cp->cgn_info_crc = cpu_to_le32(lvalue); + + hrtimer_forward_now(timer, ktime_set(0, LPFC_SEC_MIN * NSEC_PER_SEC)); + + return HRTIMER_RESTART; +} + +/** + * lpfc_calc_cmf_latency - latency from start of rxate timer interval + * @phba: The Hba for which this call is being executed. + * + * The routine calculates the latency from the beginning of the CMF timer + * interval to the current point in time. It is called from IO completion + * when we exceed our Bandwidth limitation for the time interval. + */ +uint32_t +lpfc_calc_cmf_latency(struct lpfc_hba *phba) +{ + struct timespec64 cmpl_time; + uint32_t msec = 0; + + ktime_get_real_ts64(&cmpl_time); + + /* This routine works on a ms granularity so sec and usec are + * converted accordingly. + */ + if (cmpl_time.tv_sec == phba->cmf_latency.tv_sec) { + msec = (cmpl_time.tv_nsec - phba->cmf_latency.tv_nsec) / + NSEC_PER_MSEC; + } else { + if (cmpl_time.tv_nsec >= phba->cmf_latency.tv_nsec) { + msec = (cmpl_time.tv_sec - + phba->cmf_latency.tv_sec) * MSEC_PER_SEC; + msec += ((cmpl_time.tv_nsec - + phba->cmf_latency.tv_nsec) / NSEC_PER_MSEC); + } else { + msec = (cmpl_time.tv_sec - phba->cmf_latency.tv_sec - + 1) * MSEC_PER_SEC; + msec += (((NSEC_PER_SEC - phba->cmf_latency.tv_nsec) + + cmpl_time.tv_nsec) / NSEC_PER_MSEC); + } + } + return msec; +} + +/** + * lpfc_cmf_timer - This is the timer function for one congestion + * rate interval. + * @timer: Pointer to the high resolution timer that expired + */ +static enum hrtimer_restart +lpfc_cmf_timer(struct hrtimer *timer) +{ + struct lpfc_hba *phba = container_of(timer, struct lpfc_hba, + cmf_timer); + struct rx_info_entry entry; + uint32_t io_cnt; + uint32_t busy, max_read; + uint64_t total, rcv, lat, mbpi, extra, cnt; + int timer_interval = LPFC_CMF_INTERVAL; + uint32_t ms; + struct lpfc_cgn_stat *cgs; + int cpu; + + /* Only restart the timer if congestion mgmt is on */ + if (phba->cmf_active_mode == LPFC_CFG_OFF || + !phba->cmf_latency.tv_sec) { + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "6224 CMF timer exit: %d %lld\n", + phba->cmf_active_mode, + (uint64_t)phba->cmf_latency.tv_sec); + return HRTIMER_NORESTART; + } + + /* If pport is not ready yet, just exit and wait for + * the next timer cycle to hit. + */ + if (!phba->pport) + goto skip; + + /* Do not block SCSI IO while in the timer routine since + * total_bytes will be cleared + */ + atomic_set(&phba->cmf_stop_io, 1); + + /* First we need to calculate the actual ms between + * the last timer interrupt and this one. We ask for + * LPFC_CMF_INTERVAL, however the actual time may + * vary depending on system overhead. + */ + ms = lpfc_calc_cmf_latency(phba); + + + /* Immediately after we calculate the time since the last + * timer interrupt, set the start time for the next + * interrupt + */ + ktime_get_real_ts64(&phba->cmf_latency); + + phba->cmf_link_byte_count = + div_u64(phba->cmf_max_line_rate * LPFC_CMF_INTERVAL, 1000); + + /* Collect all the stats from the prior timer interval */ + total = 0; + io_cnt = 0; + lat = 0; + rcv = 0; + for_each_present_cpu(cpu) { + cgs = per_cpu_ptr(phba->cmf_stat, cpu); + total += atomic64_xchg(&cgs->total_bytes, 0); + io_cnt += atomic_xchg(&cgs->rx_io_cnt, 0); + lat += atomic64_xchg(&cgs->rx_latency, 0); + rcv += atomic64_xchg(&cgs->rcv_bytes, 0); + } + + /* Before we issue another CMF_SYNC_WQE, retrieve the BW + * returned from the last CMF_SYNC_WQE issued, from + * cmf_last_sync_bw. This will be the target BW for + * this next timer interval. + */ + if (phba->cmf_active_mode == LPFC_CFG_MANAGED && + phba->link_state != LPFC_LINK_DOWN && + test_bit(HBA_SETUP, &phba->hba_flag)) { + mbpi = phba->cmf_last_sync_bw; + phba->cmf_last_sync_bw = 0; + extra = 0; + + /* Calculate any extra bytes needed to account for the + * timer accuracy. If we are less than LPFC_CMF_INTERVAL + * calculate the adjustment needed for total to reflect + * a full LPFC_CMF_INTERVAL. + */ + if (ms && ms < LPFC_CMF_INTERVAL) { + cnt = div_u64(total, ms); /* bytes per ms */ + cnt *= LPFC_CMF_INTERVAL; /* what total should be */ + extra = cnt - total; + } + lpfc_issue_cmf_sync_wqe(phba, LPFC_CMF_INTERVAL, total + extra); + } else { + /* For Monitor mode or link down we want mbpi + * to be the full link speed + */ + mbpi = phba->cmf_link_byte_count; + extra = 0; + } + phba->cmf_timer_cnt++; + + if (io_cnt) { + /* Update congestion info buffer latency in us */ + atomic_add(io_cnt, &phba->cgn_latency_evt_cnt); + atomic64_add(lat, &phba->cgn_latency_evt); + } + busy = atomic_xchg(&phba->cmf_busy, 0); + max_read = atomic_xchg(&phba->rx_max_read_cnt, 0); + + /* Calculate MBPI for the next timer interval */ + if (mbpi) { + if (mbpi > phba->cmf_link_byte_count || + phba->cmf_active_mode == LPFC_CFG_MONITOR) + mbpi = phba->cmf_link_byte_count; + + /* Change max_bytes_per_interval to what the prior + * CMF_SYNC_WQE cmpl indicated. + */ + if (mbpi != phba->cmf_max_bytes_per_interval) + phba->cmf_max_bytes_per_interval = mbpi; + } + + /* Save rxmonitor information for debug */ + if (phba->rx_monitor) { + entry.total_bytes = total; + entry.cmf_bytes = total + extra; + entry.rcv_bytes = rcv; + entry.cmf_busy = busy; + entry.cmf_info = phba->cmf_active_info; + if (io_cnt) { + entry.avg_io_latency = div_u64(lat, io_cnt); + entry.avg_io_size = div_u64(rcv, io_cnt); + } else { + entry.avg_io_latency = 0; + entry.avg_io_size = 0; + } + entry.max_read_cnt = max_read; + entry.io_cnt = io_cnt; + entry.max_bytes_per_interval = mbpi; + if (phba->cmf_active_mode == LPFC_CFG_MANAGED) + entry.timer_utilization = phba->cmf_last_ts; + else + entry.timer_utilization = ms; + entry.timer_interval = ms; + phba->cmf_last_ts = 0; + + lpfc_rx_monitor_record(phba->rx_monitor, &entry); + } + + if (phba->cmf_active_mode == LPFC_CFG_MONITOR) { + /* If Monitor mode, check if we are oversubscribed + * against the full line rate. + */ + if (mbpi && total > mbpi) + atomic_inc(&phba->cgn_driver_evt_cnt); + } + phba->rx_block_cnt += div_u64(rcv, 512); /* save 512 byte block cnt */ + + /* Since total_bytes has already been zero'ed, its okay to unblock + * after max_bytes_per_interval is setup. + */ + if (atomic_xchg(&phba->cmf_bw_wait, 0)) + queue_work(phba->wq, &phba->unblock_request_work); + + /* SCSI IO is now unblocked */ + atomic_set(&phba->cmf_stop_io, 0); + +skip: + hrtimer_forward_now(timer, + ktime_set(0, timer_interval * NSEC_PER_MSEC)); + return HRTIMER_RESTART; +} + #define trunk_link_status(__idx)\ bf_get(lpfc_acqe_fc_la_trunk_config_port##__idx, acqe_fc) ?\ ((phba->trunk_link.link##__idx.state == LPFC_LINK_UP) ?\ @@ -4694,13 +6136,14 @@ lpfc_update_trunk_link_status(struct lpfc_hba *phba, { uint8_t port_fault = bf_get(lpfc_acqe_fc_la_trunk_linkmask, acqe_fc); uint8_t err = bf_get(lpfc_acqe_fc_la_trunk_fault, acqe_fc); + u8 cnt = 0; phba->sli4_hba.link_state.speed = lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC, bf_get(lpfc_acqe_fc_la_speed, acqe_fc)); phba->sli4_hba.link_state.logical_speed = - bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc); + bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10; /* We got FC link speed, convert to fc_linkspeed (READ_TOPOLOGY) */ phba->fc_linkspeed = lpfc_async_link_speed_to_read_top( @@ -4712,27 +6155,37 @@ lpfc_update_trunk_link_status(struct lpfc_hba *phba, bf_get(lpfc_acqe_fc_la_trunk_link_status_port0, acqe_fc) ? LPFC_LINK_UP : LPFC_LINK_DOWN; phba->trunk_link.link0.fault = port_fault & 0x1 ? err : 0; + cnt++; } if (bf_get(lpfc_acqe_fc_la_trunk_config_port1, acqe_fc)) { phba->trunk_link.link1.state = bf_get(lpfc_acqe_fc_la_trunk_link_status_port1, acqe_fc) ? LPFC_LINK_UP : LPFC_LINK_DOWN; phba->trunk_link.link1.fault = port_fault & 0x2 ? err : 0; + cnt++; } if (bf_get(lpfc_acqe_fc_la_trunk_config_port2, acqe_fc)) { phba->trunk_link.link2.state = bf_get(lpfc_acqe_fc_la_trunk_link_status_port2, acqe_fc) ? LPFC_LINK_UP : LPFC_LINK_DOWN; phba->trunk_link.link2.fault = port_fault & 0x4 ? err : 0; + cnt++; } if (bf_get(lpfc_acqe_fc_la_trunk_config_port3, acqe_fc)) { phba->trunk_link.link3.state = bf_get(lpfc_acqe_fc_la_trunk_link_status_port3, acqe_fc) ? LPFC_LINK_UP : LPFC_LINK_DOWN; phba->trunk_link.link3.fault = port_fault & 0x8 ? err : 0; + cnt++; } - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + if (cnt) + phba->trunk_link.phy_lnk_speed = + phba->sli4_hba.link_state.logical_speed / (cnt * 1000); + else + phba->trunk_link.phy_lnk_speed = LPFC_LINK_SPEED_UNKNOWN; + + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2910 Async FC Trunking Event - Speed:%d\n" "\tLogical speed:%d " "port0: %s port1: %s port2: %s port3: %s\n", @@ -4741,8 +6194,11 @@ lpfc_update_trunk_link_status(struct lpfc_hba *phba, trunk_link_status(0), trunk_link_status(1), trunk_link_status(2), trunk_link_status(3)); + if (phba->cmf_active_mode != LPFC_CFG_OFF) + lpfc_cmf_signal_init(phba); + if (port_fault) - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3202 trunk error:0x%x (%s) seen on port0:%s " /* * SLI-4: We have only 0xA error codes @@ -4768,15 +6224,15 @@ lpfc_update_trunk_link_status(struct lpfc_hba *phba, static void lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc) { - struct lpfc_dmabuf *mp; LPFC_MBOXQ_t *pmb; MAILBOX_t *mb; struct lpfc_mbx_read_top *la; + char *log_level; int rc; if (bf_get(lpfc_trailer_type, acqe_fc) != LPFC_FC_LA_EVENT_TYPE_FC_LINK) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2895 Non FC link Event detected.(%d)\n", bf_get(lpfc_trailer_type, acqe_fc)); return; @@ -4803,37 +6259,82 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc) bf_get(lpfc_acqe_fc_la_port_number, acqe_fc); phba->sli4_hba.link_state.fault = bf_get(lpfc_acqe_link_fault, acqe_fc); - phba->sli4_hba.link_state.logical_speed = + phba->sli4_hba.link_state.link_status = + bf_get(lpfc_acqe_fc_la_link_status, acqe_fc); + + /* + * Only select attention types need logical speed modification to what + * was previously set. + */ + if (phba->sli4_hba.link_state.status >= LPFC_FC_LA_TYPE_LINK_UP && + phba->sli4_hba.link_state.status < LPFC_FC_LA_TYPE_ACTIVATE_FAIL) { + if (bf_get(lpfc_acqe_fc_la_att_type, acqe_fc) == + LPFC_FC_LA_TYPE_LINK_DOWN) + phba->sli4_hba.link_state.logical_speed = 0; + else if (!phba->sli4_hba.conf_trunk) + phba->sli4_hba.link_state.logical_speed = bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10; + } + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, "2896 Async FC event - Speed:%dGBaud Topology:x%x " "LA Type:x%x Port Type:%d Port Number:%d Logical speed:" - "%dMbps Fault:%d\n", + "%dMbps Fault:x%x Link Status:x%x\n", phba->sli4_hba.link_state.speed, phba->sli4_hba.link_state.topology, phba->sli4_hba.link_state.status, phba->sli4_hba.link_state.type, phba->sli4_hba.link_state.number, phba->sli4_hba.link_state.logical_speed, - phba->sli4_hba.link_state.fault); + phba->sli4_hba.link_state.fault, + phba->sli4_hba.link_state.link_status); + + /* + * The following attention types are informational only, providing + * further details about link status. Overwrite the value of + * link_state.status appropriately. No further action is required. + */ + if (phba->sli4_hba.link_state.status >= LPFC_FC_LA_TYPE_ACTIVATE_FAIL) { + switch (phba->sli4_hba.link_state.status) { + case LPFC_FC_LA_TYPE_ACTIVATE_FAIL: + log_level = KERN_WARNING; + phba->sli4_hba.link_state.status = + LPFC_FC_LA_TYPE_LINK_DOWN; + break; + case LPFC_FC_LA_TYPE_LINK_RESET_PRTCL_EVT: + /* + * During bb credit recovery establishment, receiving + * this attention type is normal. Link Up attention + * type is expected to occur before this informational + * attention type so keep the Link Up status. + */ + log_level = KERN_INFO; + phba->sli4_hba.link_state.status = + LPFC_FC_LA_TYPE_LINK_UP; + break; + default: + log_level = KERN_INFO; + break; + } + lpfc_log_msg(phba, log_level, LOG_SLI, + "2992 Async FC event - Informational Link " + "Attention Type x%x\n", + bf_get(lpfc_acqe_fc_la_att_type, acqe_fc)); + return; + } + pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!pmb) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2897 The mboxq allocation failed\n"); return; } - mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); - if (!mp) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "2898 The lpfc_dmabuf allocation failed\n"); + rc = lpfc_mbox_rsrc_prep(phba, pmb); + if (rc) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "2898 The mboxq prep failed\n"); goto out_free_pmb; } - mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); - if (!mp->virt) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "2899 The mbuf allocation failed\n"); - goto out_free_dmabuf; - } /* Cleanup any outstanding ELS commands */ lpfc_els_flush_all_cmd(phba); @@ -4845,7 +6346,7 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc) phba->sli.slistat.link_event++; /* Create lpfc_handle_latt mailbox command from link ACQE */ - lpfc_read_topology(phba, pmb, mp); + lpfc_read_topology(phba, pmb, pmb->ctx_buf); pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology; pmb->vport = phba->pport; @@ -4890,19 +6391,17 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc) rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) - goto out_free_dmabuf; + goto out_free_pmb; return; -out_free_dmabuf: - kfree(mp); out_free_pmb: - mempool_free(pmb, phba->mbox_mem_pool); + lpfc_mbox_rsrc_cleanup(phba, pmb, MBOX_THD_UNLOCKED); } /** * lpfc_sli4_async_sli_evt - Process the asynchronous SLI link event * @phba: pointer to lpfc hba data structure. - * @acqe_fc: pointer to the async SLI completion queue entry. + * @acqe_sli: pointer to the async SLI completion queue entry. * * This routine is to handle the SLI4 asynchronous SLI events. **/ @@ -4916,17 +6415,18 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) uint8_t operational = 0; struct temp_event temp_event_data; struct lpfc_acqe_misconfigured_event *misconfigured; + struct lpfc_acqe_cgn_signal *cgn_signal; struct Scsi_Host *shost; struct lpfc_vport **vports; - int rc, i; + int rc, i, cnt; evt_type = bf_get(lpfc_trailer_type, acqe_sli); lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "2901 Async SLI event - Event Data1:x%08x Event Data2:" - "x%08x SLI Event Type:%d\n", + "2901 Async SLI event - Type:%d, Event Data: x%08x " + "x%08x x%08x x%08x\n", evt_type, acqe_sli->event_data1, acqe_sli->event_data2, - evt_type); + acqe_sli->event_data3, acqe_sli->trailer); port_name = phba->Port[0]; if (port_name == 0x00) @@ -4955,7 +6455,7 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) temp_event_data.event_code = LPFC_NORMAL_TEMP; temp_event_data.data = (uint32_t)acqe_sli->event_data1; - lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + lpfc_printf_log(phba, KERN_INFO, LOG_SLI | LOG_LDS_EVENT, "3191 Normal Temperature:%d Celsius - Port Name %c\n", acqe_sli->event_data1, port_name); @@ -4997,7 +6497,7 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) &misconfigured->theEvent); break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3296 " "LPFC_SLI_EVENT_TYPE_MISCONFIGURED " "event: Invalid link %d", @@ -5049,10 +6549,17 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) rc = lpfc_sli4_read_config(phba); if (rc) { phba->lmt = 0; - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "3194 Unable to retrieve supported " "speeds, rc = 0x%x\n", rc); } + rc = lpfc_sli4_refresh_params(phba); + if (rc) { + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "3174 Unable to update pls support, " + "rc x%x\n", rc); + } vports = lpfc_create_vport_work_array(phba); if (vports != NULL) { for (i = 0; i <= phba->max_vports && vports[i] != NULL; @@ -5073,11 +6580,76 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) "Event Data1:x%08x Event Data2: x%08x\n", acqe_sli->event_data1, acqe_sli->event_data2); break; + case LPFC_SLI_EVENT_TYPE_PORT_PARAMS_CHG: + /* Call FW to obtain active parms */ + lpfc_sli4_cgn_parm_chg_evt(phba); + break; + case LPFC_SLI_EVENT_TYPE_MISCONF_FAWWN: + /* Misconfigured WWN. Reports that the SLI Port is configured + * to use FA-WWN, but the attached device doesn’t support it. + * Event Data1 - N.A, Event Data2 - N.A + * This event only happens on the physical port. + */ + lpfc_log_msg(phba, KERN_WARNING, LOG_SLI | LOG_DISCOVERY, + "2699 Misconfigured FA-PWWN - Attached device " + "does not support FA-PWWN\n"); + phba->sli4_hba.fawwpn_flag &= ~LPFC_FAWWPN_FABRIC; + memset(phba->pport->fc_portname.u.wwn, 0, + sizeof(struct lpfc_name)); + break; + case LPFC_SLI_EVENT_TYPE_EEPROM_FAILURE: + /* EEPROM failure. No driver action is required */ + lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, + "2518 EEPROM failure - " + "Event Data1: x%08x Event Data2: x%08x\n", + acqe_sli->event_data1, acqe_sli->event_data2); + break; + case LPFC_SLI_EVENT_TYPE_CGN_SIGNAL: + if (phba->cmf_active_mode == LPFC_CFG_OFF) + break; + cgn_signal = (struct lpfc_acqe_cgn_signal *) + &acqe_sli->event_data1; + phba->cgn_acqe_cnt++; + + cnt = bf_get(lpfc_warn_acqe, cgn_signal); + atomic64_add(cnt, &phba->cgn_acqe_stat.warn); + atomic64_add(cgn_signal->alarm_cnt, &phba->cgn_acqe_stat.alarm); + + /* no threshold for CMF, even 1 signal will trigger an event */ + + /* Alarm overrides warning, so check that first */ + if (cgn_signal->alarm_cnt) { + if (phba->cgn_reg_signal == EDC_CG_SIG_WARN_ALARM) { + /* Keep track of alarm cnt for CMF_SYNC_WQE */ + atomic_add(cgn_signal->alarm_cnt, + &phba->cgn_sync_alarm_cnt); + } + } else if (cnt) { + /* signal action needs to be taken */ + if (phba->cgn_reg_signal == EDC_CG_SIG_WARN_ONLY || + phba->cgn_reg_signal == EDC_CG_SIG_WARN_ALARM) { + /* Keep track of warning cnt for CMF_SYNC_WQE */ + atomic_add(cnt, &phba->cgn_sync_warn_cnt); + } + } + break; + case LPFC_SLI_EVENT_TYPE_RD_SIGNAL: + /* May be accompanied by a temperature event */ + lpfc_printf_log(phba, KERN_INFO, + LOG_SLI | LOG_LINK_EVENT | LOG_LDS_EVENT, + "2902 Remote Degrade Signaling: x%08x x%08x " + "x%08x\n", + acqe_sli->event_data1, acqe_sli->event_data2, + acqe_sli->event_data3); + break; + case LPFC_SLI_EVENT_TYPE_RESET_CM_STATS: + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "2905 Reset CM statistics\n"); + lpfc_sli4_async_cmstat_evt(phba); + break; default: lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "3193 Async SLI event - Event Data1:x%08x Event Data2:" - "x%08x SLI Event Type:%d\n", - acqe_sli->event_data1, acqe_sli->event_data2, + "3193 Unrecognized SLI event, type: 0x%x", evt_type); break; } @@ -5110,16 +6682,11 @@ lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport) /* Cannot find existing Fabric ndlp, so allocate a new one */ ndlp = lpfc_nlp_init(vport, Fabric_DID); if (!ndlp) - return 0; + return NULL; /* Set the node type */ ndlp->nlp_type |= NLP_FABRIC; /* Put ndlp onto node list */ lpfc_enqueue_node(vport, ndlp); - } else if (!NLP_CHK_NODE_ACT(ndlp)) { - /* re-setup ndlp without removing from node list */ - ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); - if (!ndlp) - return 0; } if ((phba->pport->port_state < LPFC_FLOGI) && (phba->pport->port_state != LPFC_VPORT_FAILED)) @@ -5133,16 +6700,14 @@ lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport) return NULL; lpfc_linkdown_port(vport); lpfc_cleanup_pending_mbox(vport); - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_VPORT_CVL_RCVD; - spin_unlock_irq(shost->host_lock); + set_bit(FC_VPORT_CVL_RCVD, &vport->fc_flag); return ndlp; } /** * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports - * @vport: pointer to lpfc hba data structure. + * @phba: pointer to lpfc hba data structure. * * This routine is to perform Clear Virtual Link (CVL) on all vports in * response to a FCF dead event. @@ -5163,7 +6728,7 @@ lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba) /** * lpfc_sli4_async_fip_evt - Process the asynchronous FCoE FIP event * @phba: pointer to lpfc hba data structure. - * @acqe_link: pointer to the async fcoe completion queue entry. + * @acqe_fip: pointer to the async fcoe completion queue entry. * * This routine is to handle the SLI4 asynchronous fcoe event. **/ @@ -5175,7 +6740,6 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, int rc; struct lpfc_vport *vport; struct lpfc_nodelist *ndlp; - struct Scsi_Host *shost; int active_vlink_present; struct lpfc_vport **vports; int i; @@ -5186,8 +6750,7 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, case LPFC_FIP_EVENT_TYPE_NEW_FCF: case LPFC_FIP_EVENT_TYPE_FCF_PARAM_MOD: if (event_type == LPFC_FIP_EVENT_TYPE_NEW_FCF) - lpfc_printf_log(phba, KERN_ERR, LOG_FIP | - LOG_DISCOVERY, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2546 New FCF event, evt_tag:x%x, " "index:x%x\n", acqe_fip->event_tag, @@ -5214,11 +6777,9 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, } /* If the FCF discovery is in progress, do nothing. */ - spin_lock_irq(&phba->hbalock); - if (phba->hba_flag & FCF_TS_INPROG) { - spin_unlock_irq(&phba->hbalock); + if (test_bit(FCF_TS_INPROG, &phba->hba_flag)) break; - } + spin_lock_irq(&phba->hbalock); /* If fast FCF failover rescan event is pending, do nothing */ if (phba->fcf.fcf_flag & (FCF_REDISC_EVT | FCF_REDISC_PEND)) { spin_unlock_irq(&phba->hbalock); @@ -5240,23 +6801,24 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); if (rc) - lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2547 Issue FCF scan read FCF mailbox " "command failed (x%x)\n", rc); break; case LPFC_FIP_EVENT_TYPE_FCF_TABLE_FULL: - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "2548 FCF Table full count 0x%x tag 0x%x\n", - bf_get(lpfc_acqe_fip_fcf_count, acqe_fip), - acqe_fip->event_tag); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "2548 FCF Table full count 0x%x tag 0x%x\n", + bf_get(lpfc_acqe_fip_fcf_count, acqe_fip), + acqe_fip->event_tag); break; case LPFC_FIP_EVENT_TYPE_FCF_DEAD: phba->fcoe_cvl_eventtag = acqe_fip->event_tag; - lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, - "2549 FCF (x%x) disconnected from network, " - "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "2549 FCF (x%x) disconnected from network, " + "tag:x%x\n", acqe_fip->index, + acqe_fip->event_tag); /* * If we are in the middle of FCF failover process, clear * the corresponding FCF bit in the roundrobin bitmap. @@ -5293,7 +6855,7 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, rc = lpfc_sli4_redisc_fcf_table(phba); if (rc) { lpfc_printf_log(phba, KERN_ERR, LOG_FIP | - LOG_DISCOVERY, + LOG_TRACE_EVENT, "2772 Issue FCF rediscover mailbox " "command failed, fail through to FCF " "dead event\n"); @@ -5317,7 +6879,8 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, break; case LPFC_FIP_EVENT_TYPE_CVL: phba->fcoe_cvl_eventtag = acqe_fip->event_tag; - lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "2718 Clear Virtual Link Received for VPI 0x%x" " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag); @@ -5332,9 +6895,9 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, if (vports) { for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { - if ((!(vports[i]->fc_flag & - FC_VPORT_CVL_RCVD)) && - (vports[i]->port_state > LPFC_FDISC)) { + if (!test_bit(FC_VPORT_CVL_RCVD, + &vports[i]->fc_flag) && + vports[i]->port_state > LPFC_FDISC) { active_vlink_present = 1; break; } @@ -5347,18 +6910,15 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, * If we are here first then vport_delete is going to wait * for discovery to complete. */ - if (!(vport->load_flag & FC_UNLOADING) && - active_vlink_present) { + if (!test_bit(FC_UNLOADING, &vport->load_flag) && + active_vlink_present) { /* * If there are other active VLinks present, * re-instantiate the Vlink using FDISC. */ mod_timer(&ndlp->nlp_delayfunc, - jiffies + msecs_to_jiffies(1000)); - shost = lpfc_shost_from_vport(vport); - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_DELAY_TMO; - spin_unlock_irq(shost->host_lock); + jiffies + secs_to_jiffies(1)); + set_bit(NLP_DELAY_TMO, &ndlp->nlp_flag); ndlp->nlp_last_elscmd = ELS_CMD_FDISC; vport->port_state = LPFC_FDISC; } else { @@ -5384,7 +6944,7 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, rc = lpfc_sli4_redisc_fcf_table(phba); if (rc) { lpfc_printf_log(phba, KERN_ERR, LOG_FIP | - LOG_DISCOVERY, + LOG_TRACE_EVENT, "2774 Issue FCF rediscover " "mailbox command failed, " "through to CVL event\n"); @@ -5405,9 +6965,9 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, } break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "0288 Unknown FCoE event type 0x%x event tag " - "0x%x\n", event_type, acqe_fip->event_tag); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0288 Unknown FCoE event type 0x%x event tag " + "0x%x\n", event_type, acqe_fip->event_tag); break; } } @@ -5415,7 +6975,7 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, /** * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event * @phba: pointer to lpfc hba data structure. - * @acqe_link: pointer to the async dcbx completion queue entry. + * @acqe_dcbx: pointer to the async dcbx completion queue entry. * * This routine is to handle the SLI4 asynchronous dcbx event. **/ @@ -5424,7 +6984,7 @@ lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba, struct lpfc_acqe_dcbx *acqe_dcbx) { phba->fc_eventTag = acqe_dcbx->event_tag; - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0290 The SLI4 DCBX asynchronous event is not " "handled yet\n"); } @@ -5432,7 +6992,7 @@ lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba, /** * lpfc_sli4_async_grp5_evt - Process the asynchronous group5 event * @phba: pointer to lpfc hba data structure. - * @acqe_link: pointer to the async grp5 completion queue entry. + * @acqe_grp5: pointer to the async grp5 completion queue entry. * * This routine is to handle the SLI4 asynchronous grp5 event. A grp5 event * is an asynchronous notified of a logical link speed change. The Port @@ -5456,6 +7016,294 @@ lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba, } /** + * lpfc_sli4_async_cmstat_evt - Process the asynchronous cmstat event + * @phba: pointer to lpfc hba data structure. + * + * This routine is to handle the SLI4 asynchronous cmstat event. A cmstat event + * is an asynchronous notification of a request to reset CM stats. + **/ +static void +lpfc_sli4_async_cmstat_evt(struct lpfc_hba *phba) +{ + if (!phba->cgn_i) + return; + lpfc_init_congestion_stat(phba); +} + +/** + * lpfc_cgn_params_val - Validate FW congestion parameters. + * @phba: pointer to lpfc hba data structure. + * @p_cfg_param: pointer to FW provided congestion parameters. + * + * This routine validates the congestion parameters passed + * by the FW to the driver via an ACQE event. + **/ +static void +lpfc_cgn_params_val(struct lpfc_hba *phba, struct lpfc_cgn_param *p_cfg_param) +{ + spin_lock_irq(&phba->hbalock); + + if (!lpfc_rangecheck(p_cfg_param->cgn_param_mode, LPFC_CFG_OFF, + LPFC_CFG_MONITOR)) { + lpfc_printf_log(phba, KERN_ERR, LOG_CGN_MGMT, + "6225 CMF mode param out of range: %d\n", + p_cfg_param->cgn_param_mode); + p_cfg_param->cgn_param_mode = LPFC_CFG_OFF; + } + + spin_unlock_irq(&phba->hbalock); +} + +static const char * const lpfc_cmf_mode_to_str[] = { + "OFF", + "MANAGED", + "MONITOR", +}; + +/** + * lpfc_cgn_params_parse - Process a FW cong parm change event + * @phba: pointer to lpfc hba data structure. + * @p_cgn_param: pointer to a data buffer with the FW cong params. + * @len: the size of pdata in bytes. + * + * This routine validates the congestion management buffer signature + * from the FW, validates the contents and makes corrections for + * valid, in-range values. If the signature magic is correct and + * after parameter validation, the contents are copied to the driver's + * @phba structure. If the magic is incorrect, an error message is + * logged. + **/ +static void +lpfc_cgn_params_parse(struct lpfc_hba *phba, + struct lpfc_cgn_param *p_cgn_param, uint32_t len) +{ + struct lpfc_cgn_info *cp; + uint32_t crc, oldmode; + char acr_string[4] = {0}; + + /* Make sure the FW has encoded the correct magic number to + * validate the congestion parameter in FW memory. + */ + if (p_cgn_param->cgn_param_magic == LPFC_CFG_PARAM_MAGIC_NUM) { + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT | LOG_INIT, + "4668 FW cgn parm buffer data: " + "magic 0x%x version %d mode %d " + "level0 %d level1 %d " + "level2 %d byte13 %d " + "byte14 %d byte15 %d " + "byte11 %d byte12 %d activeMode %d\n", + p_cgn_param->cgn_param_magic, + p_cgn_param->cgn_param_version, + p_cgn_param->cgn_param_mode, + p_cgn_param->cgn_param_level0, + p_cgn_param->cgn_param_level1, + p_cgn_param->cgn_param_level2, + p_cgn_param->byte13, + p_cgn_param->byte14, + p_cgn_param->byte15, + p_cgn_param->byte11, + p_cgn_param->byte12, + phba->cmf_active_mode); + + oldmode = phba->cmf_active_mode; + + /* Any parameters out of range are corrected to defaults + * by this routine. No need to fail. + */ + lpfc_cgn_params_val(phba, p_cgn_param); + + /* Parameters are verified, move them into driver storage */ + spin_lock_irq(&phba->hbalock); + memcpy(&phba->cgn_p, p_cgn_param, + sizeof(struct lpfc_cgn_param)); + + /* Update parameters in congestion info buffer now */ + if (phba->cgn_i) { + cp = (struct lpfc_cgn_info *)phba->cgn_i->virt; + cp->cgn_info_mode = phba->cgn_p.cgn_param_mode; + cp->cgn_info_level0 = phba->cgn_p.cgn_param_level0; + cp->cgn_info_level1 = phba->cgn_p.cgn_param_level1; + cp->cgn_info_level2 = phba->cgn_p.cgn_param_level2; + crc = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, + LPFC_CGN_CRC32_SEED); + cp->cgn_info_crc = cpu_to_le32(crc); + } + spin_unlock_irq(&phba->hbalock); + + phba->cmf_active_mode = phba->cgn_p.cgn_param_mode; + + switch (oldmode) { + case LPFC_CFG_OFF: + if (phba->cgn_p.cgn_param_mode != LPFC_CFG_OFF) { + /* Turning CMF on */ + lpfc_cmf_start(phba); + + if (phba->link_state >= LPFC_LINK_UP) { + phba->cgn_reg_fpin = + phba->cgn_init_reg_fpin; + phba->cgn_reg_signal = + phba->cgn_init_reg_signal; + lpfc_issue_els_edc(phba->pport, 0); + } + } + break; + case LPFC_CFG_MANAGED: + switch (phba->cgn_p.cgn_param_mode) { + case LPFC_CFG_OFF: + /* Turning CMF off */ + lpfc_cmf_stop(phba); + if (phba->link_state >= LPFC_LINK_UP) + lpfc_issue_els_edc(phba->pport, 0); + break; + case LPFC_CFG_MONITOR: + phba->cmf_max_bytes_per_interval = + phba->cmf_link_byte_count; + + /* Resume blocked IO - unblock on workqueue */ + queue_work(phba->wq, + &phba->unblock_request_work); + break; + } + break; + case LPFC_CFG_MONITOR: + switch (phba->cgn_p.cgn_param_mode) { + case LPFC_CFG_OFF: + /* Turning CMF off */ + lpfc_cmf_stop(phba); + if (phba->link_state >= LPFC_LINK_UP) + lpfc_issue_els_edc(phba->pport, 0); + break; + case LPFC_CFG_MANAGED: + lpfc_cmf_signal_init(phba); + break; + } + break; + } + if (oldmode != LPFC_CFG_OFF || + oldmode != phba->cgn_p.cgn_param_mode) { + if (phba->cgn_p.cgn_param_mode == LPFC_CFG_MANAGED) + scnprintf(acr_string, sizeof(acr_string), "%u", + phba->cgn_p.cgn_param_level0); + else + scnprintf(acr_string, sizeof(acr_string), "NA"); + + dev_info(&phba->pcidev->dev, "%d: " + "4663 CMF: Mode %s acr %s\n", + phba->brd_no, + lpfc_cmf_mode_to_str + [phba->cgn_p.cgn_param_mode], + acr_string); + } + } else { + lpfc_printf_log(phba, KERN_ERR, LOG_CGN_MGMT | LOG_INIT, + "4669 FW cgn parm buf wrong magic 0x%x " + "version %d\n", p_cgn_param->cgn_param_magic, + p_cgn_param->cgn_param_version); + } +} + +/** + * lpfc_sli4_cgn_params_read - Read and Validate FW congestion parameters. + * @phba: pointer to lpfc hba data structure. + * + * This routine issues a read_object mailbox command to + * get the congestion management parameters from the FW + * parses it and updates the driver maintained values. + * + * Returns + * 0 if the object was empty + * -Eval if an error was encountered + * Count if bytes were read from object + **/ +int +lpfc_sli4_cgn_params_read(struct lpfc_hba *phba) +{ + int ret = 0; + struct lpfc_cgn_param *p_cgn_param = NULL; + u32 *pdata = NULL; + u32 len = 0; + + /* Find out if the FW has a new set of congestion parameters. */ + len = sizeof(struct lpfc_cgn_param); + pdata = kzalloc(len, GFP_KERNEL); + if (!pdata) + return -ENOMEM; + ret = lpfc_read_object(phba, (char *)LPFC_PORT_CFG_NAME, + pdata, len); + + /* 0 means no data. A negative means error. A positive means + * bytes were copied. + */ + if (!ret) { + lpfc_printf_log(phba, KERN_ERR, LOG_CGN_MGMT | LOG_INIT, + "4670 CGN RD OBJ returns no data\n"); + goto rd_obj_err; + } else if (ret < 0) { + /* Some error. Just exit and return it to the caller.*/ + goto rd_obj_err; + } + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT | LOG_INIT, + "6234 READ CGN PARAMS Successful %d\n", len); + + /* Parse data pointer over len and update the phba congestion + * parameters with values passed back. The receive rate values + * may have been altered in FW, but take no action here. + */ + p_cgn_param = (struct lpfc_cgn_param *)pdata; + lpfc_cgn_params_parse(phba, p_cgn_param, len); + + rd_obj_err: + kfree(pdata); + return ret; +} + +/** + * lpfc_sli4_cgn_parm_chg_evt - Process a FW congestion param change event + * @phba: pointer to lpfc hba data structure. + * + * The FW generated Async ACQE SLI event calls this routine when + * the event type is an SLI Internal Port Event and the Event Code + * indicates a change to the FW maintained congestion parameters. + * + * This routine executes a Read_Object mailbox call to obtain the + * current congestion parameters maintained in FW and corrects + * the driver's active congestion parameters. + * + * The acqe event is not passed because there is no further data + * required. + * + * Returns nonzero error if event processing encountered an error. + * Zero otherwise for success. + **/ +static int +lpfc_sli4_cgn_parm_chg_evt(struct lpfc_hba *phba) +{ + int ret = 0; + + if (!phba->sli4_hba.pc_sli4_params.cmf) { + lpfc_printf_log(phba, KERN_ERR, LOG_CGN_MGMT | LOG_INIT, + "4664 Cgn Evt when E2E off. Drop event\n"); + return -EACCES; + } + + /* If the event is claiming an empty object, it's ok. A write + * could have cleared it. Only error is a negative return + * status. + */ + ret = lpfc_sli4_cgn_params_read(phba); + if (ret < 0) { + lpfc_printf_log(phba, KERN_ERR, LOG_CGN_MGMT | LOG_INIT, + "4667 Error reading Cgn Params (%d)\n", + ret); + } else if (!ret) { + lpfc_printf_log(phba, KERN_ERR, LOG_CGN_MGMT | LOG_INIT, + "4673 CGN Event empty object.\n"); + } + return ret; +} + +/** * lpfc_sli4_async_event_proc - Process all the pending asynchronous event * @phba: pointer to lpfc hba data structure. * @@ -5465,18 +7313,19 @@ lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba, void lpfc_sli4_async_event_proc(struct lpfc_hba *phba) { struct lpfc_cq_event *cq_event; + unsigned long iflags; /* First, declare the async event has been handled */ - spin_lock_irq(&phba->hbalock); - phba->hba_flag &= ~ASYNC_EVENT; - spin_unlock_irq(&phba->hbalock); + clear_bit(ASYNC_EVENT, &phba->hba_flag); + /* Now, handle all the async events */ + spin_lock_irqsave(&phba->sli4_hba.asynce_list_lock, iflags); while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) { - /* Get the first event from the head of the event queue */ - spin_lock_irq(&phba->hbalock); list_remove_head(&phba->sli4_hba.sp_asynce_work_queue, cq_event, struct lpfc_cq_event, list); - spin_unlock_irq(&phba->hbalock); + spin_unlock_irqrestore(&phba->sli4_hba.asynce_list_lock, + iflags); + /* Process the asynchronous event */ switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) { case LPFC_TRAILER_CODE_LINK: @@ -5501,15 +7350,19 @@ void lpfc_sli4_async_event_proc(struct lpfc_hba *phba) lpfc_sli4_async_sli_evt(phba, &cq_event->cqe.acqe_sli); break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "1804 Invalid asynchrous event code: " + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, + "1804 Invalid asynchronous event code: " "x%x\n", bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)); break; } + /* Free the completion event processed to the free pool */ lpfc_sli4_cq_event_release(phba, cq_event); + spin_lock_irqsave(&phba->sli4_hba.asynce_list_lock, iflags); } + spin_unlock_irqrestore(&phba->sli4_hba.asynce_list_lock, iflags); } /** @@ -5537,7 +7390,7 @@ void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba) "2777 Start post-quiescent FCF table scan\n"); rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); if (rc) - lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2747 Issue FCF scan read FCF mailbox " "command failed 0x%x\n", rc); } @@ -5608,7 +7461,7 @@ static void lpfc_log_intr_mode(struct lpfc_hba *phba, uint32_t intr_mode) "0480 Enabled MSI-X interrupt mode.\n"); break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0482 Illegal interrupt mode.\n"); break; } @@ -5697,19 +7550,37 @@ lpfc_disable_pci_dev(struct lpfc_hba *phba) void lpfc_reset_hba(struct lpfc_hba *phba) { + int rc = 0; + /* If resets are disabled then set error state and return. */ if (!phba->cfg_enable_hba_reset) { phba->link_state = LPFC_HBA_ERROR; return; } - if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) + + /* If not LPFC_SLI_ACTIVE, force all IO to be flushed */ + if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) { lpfc_offline_prep(phba, LPFC_MBX_WAIT); - else + } else { + if (test_bit(MBX_TMO_ERR, &phba->bit_flags)) { + /* Perform a PCI function reset to start from clean */ + rc = lpfc_pci_function_reset(phba); + lpfc_els_flush_all_cmd(phba); + } lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); + lpfc_sli_flush_io_rings(phba); + } lpfc_offline(phba); - lpfc_sli_brdrestart(phba); - lpfc_online(phba); - lpfc_unblock_mgmt_io(phba); + clear_bit(MBX_TMO_ERR, &phba->bit_flags); + if (unlikely(rc)) { + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "8888 PCI function reset failed rc %x\n", + rc); + } else { + lpfc_sli_brdrestart(phba); + lpfc_online(phba); + lpfc_unblock_mgmt_io(phba); + } } /** @@ -5757,7 +7628,7 @@ lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn) max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba); if (nr_vfn > max_nr_vfn) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3057 Requested vfs (%d) greater than " "supported vfs (%d)", nr_vfn, max_nr_vfn); return -EINVAL; @@ -5776,6 +7647,15 @@ lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn) return rc; } +static void +lpfc_unblock_requests_work(struct work_struct *work) +{ + struct lpfc_hba *phba = container_of(work, struct lpfc_hba, + unblock_request_work); + + lpfc_unblock_requests(phba); +} + /** * lpfc_setup_driver_resource_phase1 - Phase1 etup driver internal resources. * @phba: pointer to lpfc hba data structure. @@ -5796,17 +7676,16 @@ lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) * Driver resources common to all SLI revisions */ atomic_set(&phba->fast_event_count, 0); + atomic_set(&phba->dbg_log_idx, 0); + atomic_set(&phba->dbg_log_cnt, 0); + atomic_set(&phba->dbg_log_dmping, 0); spin_lock_init(&phba->hbalock); - /* Initialize ndlp management spinlock */ - spin_lock_init(&phba->ndlp_lock); - /* Initialize port_list spinlock */ spin_lock_init(&phba->port_list_lock); INIT_LIST_HEAD(&phba->port_list); INIT_LIST_HEAD(&phba->work_list); - init_waitqueue_head(&phba->wait_4_mlo_m_q); /* Initialize the wait queue head for the kernel thread */ init_waitqueue_head(&phba->work_waitq); @@ -5819,24 +7698,14 @@ lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) "NVME" : " "), (phba->nvmet_support ? "NVMET" : " ")); - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { - /* Initialize the scsi buffer list used by driver for scsi IO */ - spin_lock_init(&phba->scsi_buf_list_get_lock); - INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get); - spin_lock_init(&phba->scsi_buf_list_put_lock); - INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); - } + /* ras_fwlog state */ + spin_lock_init(&phba->ras_fwlog_lock); - if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) && - (phba->nvmet_support == 0)) { - /* Initialize the NVME buffer list used by driver for NVME IO */ - spin_lock_init(&phba->nvme_buf_list_get_lock); - INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_get); - phba->get_nvme_bufs = 0; - spin_lock_init(&phba->nvme_buf_list_put_lock); - INIT_LIST_HEAD(&phba->lpfc_nvme_buf_list_put); - phba->put_nvme_bufs = 0; - } + /* Initialize the IO buffer list used by driver for SLI3 SCSI */ + spin_lock_init(&phba->scsi_buf_list_get_lock); + INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get); + spin_lock_init(&phba->scsi_buf_list_put_lock); + INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_put); /* Initialize the fabric iocb list */ INIT_LIST_HEAD(&phba->fabric_iocb_list); @@ -5860,6 +7729,11 @@ lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) /* Heartbeat timer */ timer_setup(&phba->hb_tmofunc, lpfc_hb_timeout, 0); + INIT_DELAYED_WORK(&phba->eq_delay_work, lpfc_hb_eq_delay_work); + + INIT_DELAYED_WORK(&phba->idle_stat_delay_work, + lpfc_idle_stat_delay_work); + INIT_WORK(&phba->unblock_request_work, lpfc_unblock_requests_work); return 0; } @@ -5877,7 +7751,7 @@ lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) static int lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) { - int rc; + int rc, entry_sz; /* * Initialize timers used by driver @@ -5898,13 +7772,6 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) if (rc) return -ENODEV; - if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) { - phba->menlo_flag |= HBA_MENLO_SUPPORT; - /* check for menlo minimum sg count */ - if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT) - phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT; - } - if (!phba->sli.sli3_ring) phba->sli.sli3_ring = kcalloc(LPFC_SLI3_MAX_RING, sizeof(struct lpfc_sli_ring), @@ -5917,10 +7784,10 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) * used to create the sg_dma_buf_pool must be dynamically calculated. */ - /* Initialize the host templates the configured values. */ - lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; - lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt; - lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; + if (phba->sli_rev == LPFC_SLI_REV4) + entry_sz = sizeof(struct sli4_sge); + else + entry_sz = sizeof(struct ulp_bde64); /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */ if (phba->cfg_enable_bg) { @@ -5935,7 +7802,7 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) */ phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) + - (LPFC_MAX_SG_SEG_CNT * sizeof(struct ulp_bde64)); + (LPFC_MAX_SG_SEG_CNT * entry_sz); if (phba->cfg_sg_seg_cnt > LPFC_MAX_SG_SEG_CNT_DIF) phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT_DIF; @@ -5950,14 +7817,14 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) */ phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) + - ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); + ((phba->cfg_sg_seg_cnt + 2) * entry_sz); /* Total BDEs in BPL for scsi_sg_list */ phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + 2; } lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, - "9088 sg_tablesize:%d dmabuf_size:%d total_bde:%d\n", + "9088 INIT sg_tablesize:%d dmabuf_size:%d total_bde:%d\n", phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size, phba->cfg_total_seg_cnt); @@ -5975,6 +7842,24 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ)) return -ENOMEM; + phba->lpfc_sg_dma_buf_pool = + dma_pool_create("lpfc_sg_dma_buf_pool", + &phba->pcidev->dev, phba->cfg_sg_dma_buf_size, + BPL_ALIGN_SZ, 0); + + if (!phba->lpfc_sg_dma_buf_pool) + goto fail_free_mem; + + phba->lpfc_cmd_rsp_buf_pool = + dma_pool_create("lpfc_cmd_rsp_buf_pool", + &phba->pcidev->dev, + sizeof(struct fcp_cmnd) + + sizeof(struct fcp_rsp), + BPL_ALIGN_SZ, 0); + + if (!phba->lpfc_cmd_rsp_buf_pool) + goto fail_free_dma_buf_pool; + /* * Enable sr-iov virtual functions if supported and configured * through the module parameter. @@ -5993,6 +7878,13 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) } return 0; + +fail_free_dma_buf_pool: + dma_pool_destroy(phba->lpfc_sg_dma_buf_pool); + phba->lpfc_sg_dma_buf_pool = NULL; +fail_free_mem: + lpfc_mem_free(phba); + return -ENOMEM; } /** @@ -6028,17 +7920,12 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) LPFC_MBOXQ_t *mboxq; MAILBOX_t *mb; int rc, i, max_buf_size; - uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0}; - struct lpfc_mqe *mqe; int longs; - int fof_vectors = 0; int extra; uint64_t wwn; - u32 if_type; - u32 if_fam; - phba->sli4_hba.num_online_cpu = num_online_cpus(); phba->sli4_hba.num_present_cpu = lpfc_present_cpu; + phba->sli4_hba.num_possible_cpu = cpumask_last(cpu_possible_mask) + 1; phba->sli4_hba.curr_disp_cpu = 0; /* Get all the module params for configuring this host */ @@ -6054,6 +7941,13 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) if (rc) return -ENODEV; + /* Allocate all driver workqueues here */ + + /* The lpfc_wq workqueue for deferred irq use */ + phba->wq = alloc_workqueue("lpfc_wq", WQ_MEM_RECLAIM | WQ_PERCPU, 0); + if (!phba->wq) + return -ENOMEM; + /* * Initialize timers used by driver */ @@ -6063,6 +7957,12 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) /* FCF rediscover timer */ timer_setup(&phba->fcf.redisc_wait, lpfc_sli4_fcf_redisc_wait_tmo, 0); + /* CMF congestion timer */ + hrtimer_setup(&phba->cmf_timer, lpfc_cmf_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + /* CMF 1 minute stats collection timer */ + hrtimer_setup(&phba->cmf_stats_timer, lpfc_cmf_stats_timer, CLOCK_MONOTONIC, + HRTIMER_MODE_REL); + /* * Control structure for handling external multi-buffer mailbox * command pass-through. @@ -6088,127 +7988,36 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) * The WQ create will allocate the ring. */ - /* - * 1 for cmd, 1 for rsp, NVME adds an extra one - * for boundary conditions in its max_sgl_segment template. - */ - extra = 2; - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) - extra++; - - /* - * It doesn't matter what family our adapter is in, we are - * limited to 2 Pages, 512 SGEs, for our SGL. - * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp - */ - max_buf_size = (2 * SLI4_PAGE_SIZE); - - /* - * Since lpfc_sg_seg_cnt is module param, the sg_dma_buf_size - * used to create the sg_dma_buf_pool must be calculated. - */ - if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) { - /* - * The scsi_buf for a T10-DIF I/O holds the FCP cmnd, - * the FCP rsp, and a SGE. Sice we have no control - * over how many protection segments the SCSI Layer - * will hand us (ie: there could be one for every block - * in the IO), just allocate enough SGEs to accomidate - * our max amount and we need to limit lpfc_sg_seg_cnt - * to minimize the risk of running out. - */ - phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + - sizeof(struct fcp_rsp) + max_buf_size; - - /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */ - phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT; - - /* - * If supporting DIF, reduce the seg count for scsi to - * allow room for the DIF sges. - */ - if (phba->cfg_enable_bg && - phba->cfg_sg_seg_cnt > LPFC_MAX_BG_SLI4_SEG_CNT_DIF) - phba->cfg_scsi_seg_cnt = LPFC_MAX_BG_SLI4_SEG_CNT_DIF; - else - phba->cfg_scsi_seg_cnt = phba->cfg_sg_seg_cnt; - - } else { - /* - * The scsi_buf for a regular I/O holds the FCP cmnd, - * the FCP rsp, a SGE for each, and a SGE for up to - * cfg_sg_seg_cnt data segments. - */ - phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + - sizeof(struct fcp_rsp) + - ((phba->cfg_sg_seg_cnt + extra) * - sizeof(struct sli4_sge)); - - /* Total SGEs for scsi_sg_list */ - phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + extra; - phba->cfg_scsi_seg_cnt = phba->cfg_sg_seg_cnt; - - /* - * NOTE: if (phba->cfg_sg_seg_cnt + extra) <= 256 we only - * need to post 1 page for the SGL. - */ - } - - /* Limit to LPFC_MAX_NVME_SEG_CNT for NVME. */ - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { - if (phba->cfg_sg_seg_cnt > LPFC_MAX_NVME_SEG_CNT) { - lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT, - "6300 Reducing NVME sg segment " - "cnt to %d\n", - LPFC_MAX_NVME_SEG_CNT); - phba->cfg_nvme_seg_cnt = LPFC_MAX_NVME_SEG_CNT; - } else - phba->cfg_nvme_seg_cnt = phba->cfg_sg_seg_cnt; - } - - /* Initialize the host templates with the updated values. */ - lpfc_vport_template.sg_tablesize = phba->cfg_scsi_seg_cnt; - lpfc_template.sg_tablesize = phba->cfg_scsi_seg_cnt; - lpfc_template_no_hr.sg_tablesize = phba->cfg_scsi_seg_cnt; - - if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ) - phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ; - else - phba->cfg_sg_dma_buf_size = - SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size); - - lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, - "9087 sg_seg_cnt:%d dmabuf_size:%d " - "total:%d scsi:%d nvme:%d\n", - phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size, - phba->cfg_total_seg_cnt, phba->cfg_scsi_seg_cnt, - phba->cfg_nvme_seg_cnt); - /* Initialize buffer queue management fields */ INIT_LIST_HEAD(&phba->hbqs[LPFC_ELS_HBQ].hbq_buffer_list); phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc; phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free; + /* for VMID idle timeout if VMID is enabled */ + if (lpfc_is_vmid_enabled(phba)) + timer_setup(&phba->inactive_vmid_poll, lpfc_vmid_poll, 0); + /* * Initialize the SLI Layer to run with lpfc SLI4 HBAs. */ - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { - /* Initialize the Abort scsi buffer list used by driver */ - spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock); - INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list); - } + /* Initialize the Abort buffer list used by driver */ + spin_lock_init(&phba->sli4_hba.abts_io_buf_list_lock); + INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_io_buf_list); if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { /* Initialize the Abort nvme buffer list used by driver */ - spin_lock_init(&phba->sli4_hba.abts_nvme_buf_list_lock); - INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvme_buf_list); + spin_lock_init(&phba->sli4_hba.abts_nvmet_buf_list_lock); INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list); INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_io_wait_list); + spin_lock_init(&phba->sli4_hba.t_active_list_lock); + INIT_LIST_HEAD(&phba->sli4_hba.t_active_ctx_list); } /* This abort list used by worker thread */ spin_lock_init(&phba->sli4_hba.sgl_list_lock); spin_lock_init(&phba->sli4_hba.nvmet_io_wait_lock); + spin_lock_init(&phba->sli4_hba.asynce_list_lock); + spin_lock_init(&phba->sli4_hba.els_xri_abrt_list_lock); /* * Initialize driver internal slow-path work queues @@ -6220,8 +8029,6 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) INIT_LIST_HEAD(&phba->sli4_hba.sp_queue_event); /* Asynchronous event CQ Event work queue list */ INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue); - /* Fast-path XRI aborted CQ Event work queue list */ - INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue); /* Slow-path XRI aborted CQ Event work queue list */ INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue); /* Receive queue CQ Event work queue list */ @@ -6245,7 +8052,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) /* Allocate device driver memory */ rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ); if (rc) - return -ENOMEM; + goto out_destroy_workqueue; /* IF Type 2 ports get initialized now. */ if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) >= @@ -6272,6 +8079,18 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) rc = lpfc_sli4_read_config(phba); if (unlikely(rc)) goto out_free_bsmbx; + + if (phba->sli4_hba.fawwpn_flag & LPFC_FAWWPN_CONFIG) { + /* Right now the link is down, if FA-PWWN is configured the + * firmware will try FLOGI before the driver gets a link up. + * If it fails, the driver should get a MISCONFIGURED async + * event which will clear this flag. The only notification + * the driver gets is if it fails, if it succeeds there is no + * notification given. Assume success. + */ + phba->sli4_hba.fawwpn_flag |= LPFC_FAWWPN_FABRIC; + } + rc = lpfc_mem_alloc_active_rrq_pool_s4(phba); if (unlikely(rc)) goto out_free_bsmbx; @@ -6299,7 +8118,8 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) lpfc_read_nv(phba, mboxq); rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); if (rc != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "6016 Mailbox failed , mbxCmd x%x " "READ_NV, mbxStatus x%x\n", bf_get(lpfc_mqe_command, &mboxq->u.mqe), @@ -6328,15 +8148,26 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) phba->nvmet_support = 1; /* a match */ - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "6017 NVME Target %016llx\n", wwn); #else - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "6021 Can't enable NVME Target." " NVME_TARGET_FC infrastructure" " is not in kernel\n"); #endif + /* Not supported for NVMET */ + phba->cfg_xri_rebalancing = 0; + if (phba->irq_chann_mode == NHT_MODE) { + phba->cfg_irq_chann = + phba->sli4_hba.num_present_cpu; + phba->cfg_hdw_queue = + phba->sli4_hba.num_present_cpu; + phba->irq_chann_mode = NORMAL_MODE; + } break; } } @@ -6344,32 +8175,6 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) lpfc_nvme_mod_param_dep(phba); - /* Get the Supported Pages if PORT_CAPABILITIES is supported by port. */ - lpfc_supported_pages(mboxq); - rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); - if (!rc) { - mqe = &mboxq->u.mqe; - memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3), - LPFC_MAX_SUPPORTED_PAGES); - for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) { - switch (pn_page[i]) { - case LPFC_SLI4_PARAMETERS: - phba->sli4_hba.pc_sli4_params.supported = 1; - break; - default: - break; - } - } - /* Read the port's SLI4 Parameters capabilities if supported. */ - if (phba->sli4_hba.pc_sli4_params.supported) - rc = lpfc_pc_sli4_params_get(phba, mboxq); - if (rc) { - mempool_free(mboxq, phba->mbox_mem_pool); - rc = -EIO; - goto out_free_bsmbx; - } - } - /* * Get sli4 parameters that override parameters from Port capabilities. * If this call fails, it isn't critical unless the SLI4 parameters come @@ -6377,36 +8182,138 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) */ rc = lpfc_get_sli4_parameters(phba, mboxq); if (rc) { - if_type = bf_get(lpfc_sli_intf_if_type, - &phba->sli4_hba.sli_intf); - if_fam = bf_get(lpfc_sli_intf_sli_family, - &phba->sli4_hba.sli_intf); - if (phba->sli4_hba.extents_in_use && - phba->sli4_hba.rpi_hdrs_in_use) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2999 Unsupported SLI4 Parameters " - "Extents and RPI headers enabled.\n"); - if (if_type == LPFC_SLI_INTF_IF_TYPE_0 && - if_fam == LPFC_SLI_INTF_FAMILY_BE2) { - mempool_free(mboxq, phba->mbox_mem_pool); - rc = -EIO; - goto out_free_bsmbx; - } - } - if (!(if_type == LPFC_SLI_INTF_IF_TYPE_0 && - if_fam == LPFC_SLI_INTF_FAMILY_BE2)) { - mempool_free(mboxq, phba->mbox_mem_pool); - rc = -EIO; - goto out_free_bsmbx; - } + lpfc_log_msg(phba, KERN_WARNING, LOG_INIT, + "2999 Could not get SLI4 parameters\n"); + rc = -EIO; + mempool_free(mboxq, phba->mbox_mem_pool); + goto out_free_bsmbx; + } + + /* + * 1 for cmd, 1 for rsp, NVME adds an extra one + * for boundary conditions in its max_sgl_segment template. + */ + extra = 2; + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) + extra++; + + /* + * It doesn't matter what family our adapter is in, we are + * limited to 2 Pages, 512 SGEs, for our SGL. + * There are going to be 2 reserved SGEs: 1 FCP cmnd + 1 FCP rsp + */ + max_buf_size = (2 * SLI4_PAGE_SIZE); + + /* + * Since lpfc_sg_seg_cnt is module param, the sg_dma_buf_size + * used to create the sg_dma_buf_pool must be calculated. + */ + if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) { + /* Both cfg_enable_bg and cfg_external_dif code paths */ + + /* + * The scsi_buf for a T10-DIF I/O holds the FCP cmnd, + * the FCP rsp, and a SGE. Sice we have no control + * over how many protection segments the SCSI Layer + * will hand us (ie: there could be one for every block + * in the IO), just allocate enough SGEs to accomidate + * our max amount and we need to limit lpfc_sg_seg_cnt + * to minimize the risk of running out. + */ + phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd32) + + sizeof(struct fcp_rsp) + max_buf_size; + + /* Total SGEs for scsi_sg_list and scsi_sg_prot_list */ + phba->cfg_total_seg_cnt = LPFC_MAX_SGL_SEG_CNT; + + /* + * If supporting DIF, reduce the seg count for scsi to + * allow room for the DIF sges. + */ + if (phba->cfg_enable_bg && + phba->cfg_sg_seg_cnt > LPFC_MAX_BG_SLI4_SEG_CNT_DIF) + phba->cfg_scsi_seg_cnt = LPFC_MAX_BG_SLI4_SEG_CNT_DIF; + else + phba->cfg_scsi_seg_cnt = phba->cfg_sg_seg_cnt; + + } else { + /* + * The scsi_buf for a regular I/O holds the FCP cmnd, + * the FCP rsp, a SGE for each, and a SGE for up to + * cfg_sg_seg_cnt data segments. + */ + phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd32) + + sizeof(struct fcp_rsp) + + ((phba->cfg_sg_seg_cnt + extra) * + sizeof(struct sli4_sge)); + + /* Total SGEs for scsi_sg_list */ + phba->cfg_total_seg_cnt = phba->cfg_sg_seg_cnt + extra; + phba->cfg_scsi_seg_cnt = phba->cfg_sg_seg_cnt; + + /* + * NOTE: if (phba->cfg_sg_seg_cnt + extra) <= 256 we only + * need to post 1 page for the SGL. + */ + } + + if (phba->cfg_xpsgl && !phba->nvmet_support) + phba->cfg_sg_dma_buf_size = LPFC_DEFAULT_XPSGL_SIZE; + else if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ) + phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ; + else + phba->cfg_sg_dma_buf_size = + SLI4_PAGE_ALIGN(phba->cfg_sg_dma_buf_size); + + phba->border_sge_num = phba->cfg_sg_dma_buf_size / + sizeof(struct sli4_sge); + + /* Limit to LPFC_MAX_NVME_SEG_CNT for NVME. */ + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { + if (phba->cfg_sg_seg_cnt > LPFC_MAX_NVME_SEG_CNT) { + lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT, + "6300 Reducing NVME sg segment " + "cnt to %d\n", + LPFC_MAX_NVME_SEG_CNT); + phba->cfg_nvme_seg_cnt = LPFC_MAX_NVME_SEG_CNT; + } else + phba->cfg_nvme_seg_cnt = phba->cfg_sg_seg_cnt; + } + + lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP, + "9087 sg_seg_cnt:%d dmabuf_size:%d " + "total:%d scsi:%d nvme:%d\n", + phba->cfg_sg_seg_cnt, phba->cfg_sg_dma_buf_size, + phba->cfg_total_seg_cnt, phba->cfg_scsi_seg_cnt, + phba->cfg_nvme_seg_cnt); + + i = min(phba->cfg_sg_dma_buf_size, SLI4_PAGE_SIZE); + + phba->lpfc_sg_dma_buf_pool = + dma_pool_create("lpfc_sg_dma_buf_pool", + &phba->pcidev->dev, + phba->cfg_sg_dma_buf_size, + i, 0); + if (!phba->lpfc_sg_dma_buf_pool) { + rc = -ENOMEM; + goto out_free_bsmbx; + } + + phba->lpfc_cmd_rsp_buf_pool = + dma_pool_create("lpfc_cmd_rsp_buf_pool", + &phba->pcidev->dev, + sizeof(struct fcp_cmnd32) + + sizeof(struct fcp_rsp), + i, 0); + if (!phba->lpfc_cmd_rsp_buf_pool) { + rc = -ENOMEM; + goto out_free_sg_dma_buf; } mempool_free(mboxq, phba->mbox_mem_pool); /* Verify OAS is supported */ lpfc_sli4_oas_verify(phba); - if (phba->cfg_fof) - fof_vectors = 1; /* Verify RAS support on adapter */ lpfc_sli4_ras_init(phba); @@ -6414,12 +8321,12 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) /* Verify all the SLI4 queues */ rc = lpfc_sli4_queue_verify(phba); if (rc) - goto out_free_bsmbx; + goto out_free_cmd_rsp_buf; /* Create driver internal CQE event pool */ rc = lpfc_sli4_cq_event_pool_create(phba); if (rc) - goto out_free_bsmbx; + goto out_free_cmd_rsp_buf; /* Initialize sgl lists per host */ lpfc_init_sgl_list(phba); @@ -6427,13 +8334,13 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) /* Allocate and initialize active sgl array */ rc = lpfc_init_active_sgl_array(phba); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "1430 Failed to initialize sgl list.\n"); goto out_destroy_cq_event_pool; } rc = lpfc_sli4_init_rpi_hdrs(phba); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "1432 Failed to initialize rpi headers.\n"); goto out_free_active_sgl; } @@ -6443,47 +8350,69 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) phba->fcf.fcf_rr_bmask = kcalloc(longs, sizeof(unsigned long), GFP_KERNEL); if (!phba->fcf.fcf_rr_bmask) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2759 Failed allocate memory for FCF round " "robin failover bmask\n"); rc = -ENOMEM; goto out_remove_rpi_hdrs; } - phba->sli4_hba.hba_eq_hdl = kcalloc(fof_vectors + phba->io_channel_irqs, - sizeof(struct lpfc_hba_eq_hdl), - GFP_KERNEL); + phba->sli4_hba.hba_eq_hdl = kcalloc(phba->cfg_irq_chann, + sizeof(struct lpfc_hba_eq_hdl), + GFP_KERNEL); if (!phba->sli4_hba.hba_eq_hdl) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2572 Failed allocate memory for " "fast-path per-EQ handle array\n"); rc = -ENOMEM; goto out_free_fcf_rr_bmask; } - phba->sli4_hba.cpu_map = kcalloc(phba->sli4_hba.num_present_cpu, + phba->sli4_hba.cpu_map = kcalloc(phba->sli4_hba.num_possible_cpu, sizeof(struct lpfc_vector_map_info), GFP_KERNEL); if (!phba->sli4_hba.cpu_map) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3327 Failed allocate memory for msi-x " "interrupt vector mapping\n"); rc = -ENOMEM; goto out_free_hba_eq_hdl; } - if (lpfc_used_cpu == NULL) { - lpfc_used_cpu = kcalloc(lpfc_present_cpu, sizeof(uint16_t), - GFP_KERNEL); - if (!lpfc_used_cpu) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "3335 Failed allocate memory for msi-x " - "interrupt vector mapping\n"); - kfree(phba->sli4_hba.cpu_map); - rc = -ENOMEM; - goto out_free_hba_eq_hdl; - } - for (i = 0; i < lpfc_present_cpu; i++) - lpfc_used_cpu[i] = LPFC_VECTOR_MAP_EMPTY; + + phba->sli4_hba.eq_info = alloc_percpu(struct lpfc_eq_intr_info); + if (!phba->sli4_hba.eq_info) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "3321 Failed allocation for per_cpu stats\n"); + rc = -ENOMEM; + goto out_free_hba_cpu_map; + } + + phba->sli4_hba.idle_stat = kcalloc(phba->sli4_hba.num_possible_cpu, + sizeof(*phba->sli4_hba.idle_stat), + GFP_KERNEL); + if (!phba->sli4_hba.idle_stat) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "3390 Failed allocation for idle_stat\n"); + rc = -ENOMEM; + goto out_free_hba_eq_info; + } + +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + phba->sli4_hba.c_stat = alloc_percpu(struct lpfc_hdwq_stat); + if (!phba->sli4_hba.c_stat) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "3332 Failed allocating per cpu hdwq stats\n"); + rc = -ENOMEM; + goto out_free_hba_idle_stat; + } +#endif + + phba->cmf_stat = alloc_percpu(struct lpfc_cgn_stat); + if (!phba->cmf_stat) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "3331 Failed allocating per cpu cgn stats\n"); + rc = -ENOMEM; + goto out_free_hba_hdwq_info; } /* @@ -6505,6 +8434,16 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) return 0; +out_free_hba_hdwq_info: +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + free_percpu(phba->sli4_hba.c_stat); +out_free_hba_idle_stat: +#endif + kfree(phba->sli4_hba.idle_stat); +out_free_hba_eq_info: + free_percpu(phba->sli4_hba.eq_info); +out_free_hba_cpu_map: + kfree(phba->sli4_hba.cpu_map); out_free_hba_eq_hdl: kfree(phba->sli4_hba.hba_eq_hdl); out_free_fcf_rr_bmask: @@ -6515,10 +8454,19 @@ out_free_active_sgl: lpfc_free_active_sgl(phba); out_destroy_cq_event_pool: lpfc_sli4_cq_event_pool_destroy(phba); +out_free_cmd_rsp_buf: + dma_pool_destroy(phba->lpfc_cmd_rsp_buf_pool); + phba->lpfc_cmd_rsp_buf_pool = NULL; +out_free_sg_dma_buf: + dma_pool_destroy(phba->lpfc_sg_dma_buf_pool); + phba->lpfc_sg_dma_buf_pool = NULL; out_free_bsmbx: lpfc_destroy_bootstrap_mbox(phba); out_free_mem: lpfc_mem_free(phba); +out_destroy_workqueue: + destroy_workqueue(phba->wq); + phba->wq = NULL; return rc; } @@ -6534,11 +8482,19 @@ lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba) { struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; + free_percpu(phba->sli4_hba.eq_info); +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + free_percpu(phba->sli4_hba.c_stat); +#endif + free_percpu(phba->cmf_stat); + kfree(phba->sli4_hba.idle_stat); + /* Free memory allocated for msi-x interrupt vector to CPU mapping */ kfree(phba->sli4_hba.cpu_map); + phba->sli4_hba.num_possible_cpu = 0; phba->sli4_hba.num_present_cpu = 0; - phba->sli4_hba.num_online_cpu = 0; phba->sli4_hba.curr_disp_cpu = 0; + cpumask_clear(&phba->sli4_hba.irq_aff_mask); /* Free memory allocated for fast-path work queue handles */ kfree(phba->sli4_hba.hba_eq_hdl); @@ -6610,7 +8566,6 @@ lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) "1431 Invalid HBA PCI-device group: 0x%x\n", dev_grp); return -ENODEV; - break; } return 0; } @@ -6639,12 +8594,6 @@ lpfc_setup_driver_resource_phase2(struct lpfc_hba *phba) return error; } - /* The lpfc_wq workqueue for deferred irq use, is only used for SLI4 */ - if (phba->sli_rev == LPFC_SLI_REV4) - phba->wq = alloc_workqueue("lpfc_wq", WQ_MEM_RECLAIM, 0); - else - phba->wq = NULL; - return 0; } @@ -6660,7 +8609,6 @@ static void lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba) { if (phba->wq) { - flush_workqueue(phba->wq); destroy_workqueue(phba->wq); phba->wq = NULL; } @@ -6696,6 +8644,7 @@ lpfc_free_iocb_list(struct lpfc_hba *phba) /** * lpfc_init_iocb_list - Allocate and initialize iocb list. * @phba: pointer to lpfc hba data structure. + * @iocb_count: number of requested iocbs * * This routine is invoked to allocate and initizlize the driver's IOCB * list and set up the IOCB tag array accordingly. @@ -6718,7 +8667,7 @@ lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count) if (iocbq_entry == NULL) { printk(KERN_ERR "%s: only allocated %d iocbs of " "expected %d count. Unloading driver.\n", - __func__, i, LPFC_IOCB_LIST_CNT); + __func__, i, iocb_count); goto out_free_iocbq; } @@ -6777,11 +8726,9 @@ lpfc_free_els_sgl_list(struct lpfc_hba *phba) LIST_HEAD(sglq_list); /* Retrieve all els sgls from driver list */ - spin_lock_irq(&phba->hbalock); - spin_lock(&phba->sli4_hba.sgl_list_lock); + spin_lock_irq(&phba->sli4_hba.sgl_list_lock); list_splice_init(&phba->sli4_hba.lpfc_els_sgl_list, &sglq_list); - spin_unlock(&phba->sli4_hba.sgl_list_lock); - spin_unlock_irq(&phba->hbalock); + spin_unlock_irq(&phba->sli4_hba.sgl_list_lock); /* Now free the sgl list */ lpfc_free_sgl_list(phba, &sglq_list); @@ -6875,11 +8822,8 @@ lpfc_init_sgl_list(struct lpfc_hba *phba) /* els xri-sgl book keeping */ phba->sli4_hba.els_xri_cnt = 0; - /* scsi xri-buffer book keeping */ - phba->sli4_hba.scsi_xri_cnt = 0; - /* nvme xri-buffer book keeping */ - phba->sli4_hba.nvme_xri_cnt = 0; + phba->sli4_hba.io_xri_cnt = 0; } /** @@ -6910,7 +8854,7 @@ lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba) rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); if (!rpi_hdr) { - lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0391 Error during rpi post operation\n"); lpfc_sli4_remove_rpis(phba); rc = -ENODEV; @@ -7093,6 +9037,9 @@ lpfc_hba_alloc(struct pci_dev *pdev) static void lpfc_hba_free(struct lpfc_hba *phba) { + if (phba->sli_rev == LPFC_SLI_REV4) + kfree(phba->sli4_hba.hdwq); + /* Release the driver assigned board number */ idr_remove(&lpfc_hba_index, phba->brd_no); @@ -7105,6 +9052,36 @@ lpfc_hba_free(struct lpfc_hba *phba) } /** + * lpfc_setup_fdmi_mask - Setup initial FDMI mask for HBA and Port attributes + * @vport: pointer to lpfc vport data structure. + * + * This routine is will setup initial FDMI attribute masks for + * FDMI2 or SmartSAN depending on module parameters. The driver will attempt + * to get these attributes first before falling back, the attribute + * fallback hierarchy is SmartSAN -> FDMI2 -> FMDI1 + **/ +void +lpfc_setup_fdmi_mask(struct lpfc_vport *vport) +{ + struct lpfc_hba *phba = vport->phba; + + set_bit(FC_ALLOW_FDMI, &vport->load_flag); + if (phba->cfg_enable_SmartSAN || + phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT) { + /* Setup appropriate attribute masks */ + vport->fdmi_hba_mask = LPFC_FDMI2_HBA_ATTR; + if (phba->cfg_enable_SmartSAN) + vport->fdmi_port_mask = LPFC_FDMI2_SMART_ATTR; + else + vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR; + } + + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "6077 Setup FDMI mask: hba x%x port x%x\n", + vport->fdmi_hba_mask, vport->fdmi_port_mask); +} + +/** * lpfc_create_shost - Create hba physical port with associated scsi host. * @phba: pointer to lpfc hba data structure. * @@ -7128,10 +9105,6 @@ lpfc_create_shost(struct lpfc_hba *phba) phba->fc_arbtov = FF_DEF_ARBTOV; atomic_set(&phba->sdev_cnt, 0); - atomic_set(&phba->fc4ScsiInputRequests, 0); - atomic_set(&phba->fc4ScsiOutputRequests, 0); - atomic_set(&phba->fc4ScsiControlRequests, 0); - atomic_set(&phba->fc4ScsiIoCmpls, 0); vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); if (!vport) return -ENODEV; @@ -7141,39 +9114,22 @@ lpfc_create_shost(struct lpfc_hba *phba) if (phba->nvmet_support) { /* Only 1 vport (pport) will support NVME target */ - if (phba->txrdy_payload_pool == NULL) { - phba->txrdy_payload_pool = dma_pool_create( - "txrdy_pool", &phba->pcidev->dev, - TXRDY_PAYLOAD_LEN, 16, 0); - if (phba->txrdy_payload_pool) { - phba->targetport = NULL; - phba->cfg_enable_fc4_type = LPFC_ENABLE_NVME; - lpfc_printf_log(phba, KERN_INFO, - LOG_INIT | LOG_NVME_DISC, - "6076 NVME Target Found\n"); - } - } + phba->targetport = NULL; + phba->cfg_enable_fc4_type = LPFC_ENABLE_NVME; + lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_NVME_DISC, + "6076 NVME Target Found\n"); } lpfc_debugfs_initialize(vport); /* Put reference to SCSI host to driver's device private data */ pci_set_drvdata(phba->pcidev, shost); + lpfc_setup_fdmi_mask(vport); + /* * At this point we are fully registered with PSA. In addition, * any initial discovery should be completed. */ - vport->load_flag |= FC_ALLOW_FDMI; - if (phba->cfg_enable_SmartSAN || - (phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT)) { - - /* Setup appropriate attribute masks */ - vport->fdmi_hba_mask = LPFC_FDMI2_HBA_ATTR; - if (phba->cfg_enable_SmartSAN) - vport->fdmi_port_mask = LPFC_FDMI2_SMART_ATTR; - else - vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR; - } return 0; } @@ -7209,7 +9165,6 @@ lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost) uint32_t old_mask; uint32_t old_guard; - int pagecnt = 10; if (phba->cfg_prot_mask && phba->cfg_prot_guard) { lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "1478 Registering BlockGuard with the " @@ -7232,7 +9187,7 @@ lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost) if (phba->cfg_prot_mask && phba->cfg_prot_guard) { if ((old_mask != phba->cfg_prot_mask) || (old_guard != phba->cfg_prot_guard)) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "1475 Registering BlockGuard with the " "SCSI layer: mask %d guard %d\n", phba->cfg_prot_mask, @@ -7241,61 +9196,11 @@ lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost) scsi_host_set_prot(shost, phba->cfg_prot_mask); scsi_host_set_guard(shost, phba->cfg_prot_guard); } else - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "1479 Not Registering BlockGuard with the SCSI " "layer, Bad protection parameters: %d %d\n", old_mask, old_guard); } - - if (!_dump_buf_data) { - while (pagecnt) { - spin_lock_init(&_dump_buf_lock); - _dump_buf_data = - (char *) __get_free_pages(GFP_KERNEL, pagecnt); - if (_dump_buf_data) { - lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9043 BLKGRD: allocated %d pages for " - "_dump_buf_data at 0x%p\n", - (1 << pagecnt), _dump_buf_data); - _dump_buf_data_order = pagecnt; - memset(_dump_buf_data, 0, - ((1 << PAGE_SHIFT) << pagecnt)); - break; - } else - --pagecnt; - } - if (!_dump_buf_data_order) - lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9044 BLKGRD: ERROR unable to allocate " - "memory for hexdump\n"); - } else - lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9045 BLKGRD: already allocated _dump_buf_data=0x%p" - "\n", _dump_buf_data); - if (!_dump_buf_dif) { - while (pagecnt) { - _dump_buf_dif = - (char *) __get_free_pages(GFP_KERNEL, pagecnt); - if (_dump_buf_dif) { - lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9046 BLKGRD: allocated %d pages for " - "_dump_buf_dif at 0x%p\n", - (1 << pagecnt), _dump_buf_dif); - _dump_buf_dif_order = pagecnt; - memset(_dump_buf_dif, 0, - ((1 << PAGE_SHIFT) << pagecnt)); - break; - } else - --pagecnt; - } - if (!_dump_buf_dif_order) - lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9047 BLKGRD: ERROR unable to allocate " - "memory for hexdump\n"); - } else - lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n", - _dump_buf_dif); } /** @@ -7320,8 +9225,6 @@ lpfc_post_init_setup(struct lpfc_hba *phba) */ shost = pci_get_drvdata(phba->pcidev); shost->can_queue = phba->cfg_hba_queue_depth - 10; - if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) - lpfc_setup_bg(phba, shost); lpfc_host_attrib_init(shost); @@ -7361,15 +9264,18 @@ lpfc_sli_pci_mem_setup(struct lpfc_hba *phba) unsigned long bar0map_len, bar2map_len; int i, hbq_count; void *ptr; - int error = -ENODEV; + int error; if (!pdev) - return error; + return -ENODEV; /* Set the device DMA mask size */ - if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) || - dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) + error = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (error) + error = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (error) return error; + error = -ENODEV; /* Get the bus address of Bar0 and Bar2 and the number of bytes * required by each mapping. @@ -7521,7 +9427,7 @@ lpfc_sli4_post_status_check(struct lpfc_hba *phba) * other register reads as the data may not be valid. Just exit. */ if (port_error) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "1408 Port Failed POST - portsmphr=0x%x, " "perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, scr1=x%x, " "scr2=x%x, hscratch=x%x, pstatus=x%x\n", @@ -7570,7 +9476,8 @@ lpfc_sli4_post_status_check(struct lpfc_hba *phba) readl(phba->sli4_hba.u.if_type0.UERRHIregaddr); if ((~phba->sli4_hba.ue_mask_lo & uerrlo_reg.word0) || (~phba->sli4_hba.ue_mask_hi & uerrhi_reg.word0)) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "1422 Unrecoverable Error " "Detected during POST " "uerr_lo_reg=0x%x, " @@ -7589,15 +9496,14 @@ lpfc_sli4_post_status_check(struct lpfc_hba *phba) /* Final checks. The port status should be clean. */ if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, ®_data.word0) || - (bf_get(lpfc_sliport_status_err, ®_data) && - !bf_get(lpfc_sliport_status_rn, ®_data))) { + lpfc_sli4_unrecoverable_port(®_data)) { phba->work_status[0] = readl(phba->sli4_hba.u.if_type2. ERR1regaddr); phba->work_status[1] = readl(phba->sli4_hba.u.if_type2. ERR2regaddr); - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2888 Unrecoverable port error " "following POST: port status reg " "0x%x, port_smphr reg 0x%x, " @@ -7607,7 +9513,15 @@ lpfc_sli4_post_status_check(struct lpfc_hba *phba) phba->work_status[0], phba->work_status[1]); port_error = -ENODEV; + break; } + + if (lpfc_pldv_detect && + bf_get(lpfc_sli_intf_sli_family, + &phba->sli4_hba.sli_intf) == + LPFC_SLI_INTF_FAMILY_G6) + pci_write_config_byte(phba->pcidev, + LPFC_SLI_INTF, CFG_PLD); break; case LPFC_SLI_INTF_IF_TYPE_1: default: @@ -7710,6 +9624,7 @@ lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type) /** * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map. * @phba: pointer to lpfc hba data structure. + * @if_type: sli if type to operate on. * * This routine is invoked to set up SLI4 BAR1 register memory map. **/ @@ -7881,6 +9796,83 @@ lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba) memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx)); } +static const char * const lpfc_topo_to_str[] = { + "Loop then P2P", + "Loopback", + "P2P Only", + "Unsupported", + "Loop Only", + "Unsupported", + "P2P then Loop", +}; + +#define LINK_FLAGS_DEF 0x0 +#define LINK_FLAGS_P2P 0x1 +#define LINK_FLAGS_LOOP 0x2 +/** + * lpfc_map_topology - Map the topology read from READ_CONFIG + * @phba: pointer to lpfc hba data structure. + * @rd_config: pointer to read config data + * + * This routine is invoked to map the topology values as read + * from the read config mailbox command. If the persistent + * topology feature is supported, the firmware will provide the + * saved topology information to be used in INIT_LINK + **/ +static void +lpfc_map_topology(struct lpfc_hba *phba, struct lpfc_mbx_read_config *rd_config) +{ + u8 ptv, tf, pt; + + ptv = bf_get(lpfc_mbx_rd_conf_ptv, rd_config); + tf = bf_get(lpfc_mbx_rd_conf_tf, rd_config); + pt = bf_get(lpfc_mbx_rd_conf_pt, rd_config); + + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + "2027 Read Config Data : ptv:0x%x, tf:0x%x pt:0x%x", + ptv, tf, pt); + if (!ptv) { + lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, + "2019 FW does not support persistent topology " + "Using driver parameter defined value [%s]", + lpfc_topo_to_str[phba->cfg_topology]); + return; + } + /* FW supports persistent topology - override module parameter value */ + set_bit(HBA_PERSISTENT_TOPO, &phba->hba_flag); + + /* if ASIC_GEN_NUM >= 0xC) */ + if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == + LPFC_SLI_INTF_IF_TYPE_6) || + (bf_get(lpfc_sli_intf_sli_family, &phba->sli4_hba.sli_intf) == + LPFC_SLI_INTF_FAMILY_G6)) { + if (!tf) + phba->cfg_topology = ((pt == LINK_FLAGS_LOOP) + ? FLAGS_TOPOLOGY_MODE_LOOP + : FLAGS_TOPOLOGY_MODE_PT_PT); + else + clear_bit(HBA_PERSISTENT_TOPO, &phba->hba_flag); + } else { /* G5 */ + if (tf) + /* If topology failover set - pt is '0' or '1' */ + phba->cfg_topology = (pt ? FLAGS_TOPOLOGY_MODE_PT_LOOP : + FLAGS_TOPOLOGY_MODE_LOOP_PT); + else + phba->cfg_topology = ((pt == LINK_FLAGS_P2P) + ? FLAGS_TOPOLOGY_MODE_PT_PT + : FLAGS_TOPOLOGY_MODE_LOOP); + } + if (test_bit(HBA_PERSISTENT_TOPO, &phba->hba_flag)) + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + "2020 Using persistent topology value [%s]", + lpfc_topo_to_str[phba->cfg_topology]); + else + lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, + "2021 Invalid topology values from FW " + "Using driver parameter defined value [%s]", + lpfc_topo_to_str[phba->cfg_topology]); +} + /** * lpfc_sli4_read_config - Get the config parameters. * @phba: pointer to lpfc hba data structure. @@ -7906,12 +9898,12 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) struct lpfc_rsrc_desc_fcfcoe *desc; char *pdesc_0; uint16_t forced_link_speed; - uint32_t if_type; + uint32_t if_type, qmin, fawwpn; int length, i, rc = 0, rc2; pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!pmb) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2011 Unable to allocate memory for issuing " "SLI_CONFIG_SPECIAL mailbox command\n"); return -ENOMEM; @@ -7921,11 +9913,11 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); if (rc != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "2012 Mailbox failed , mbxCmd x%x " - "READ_CONFIG, mbxStatus x%x\n", - bf_get(lpfc_mqe_command, &pmb->u.mqe), - bf_get(lpfc_mqe_status, &pmb->u.mqe)); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "2012 Mailbox failed , mbxCmd x%x " + "READ_CONFIG, mbxStatus x%x\n", + bf_get(lpfc_mqe_command, &pmb->u.mqe), + bf_get(lpfc_mqe_status, &pmb->u.mqe)); rc = -EIO; } else { rd_config = &pmb->u.mqe.un.rd_config; @@ -7948,12 +9940,30 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) phba->sli4_hba.bbscn_params.word0 = rd_config->word8; } + fawwpn = bf_get(lpfc_mbx_rd_conf_fawwpn, rd_config); + + if (fawwpn) { + lpfc_printf_log(phba, KERN_INFO, + LOG_INIT | LOG_DISCOVERY, + "2702 READ_CONFIG: FA-PWWN is " + "configured on\n"); + phba->sli4_hba.fawwpn_flag |= LPFC_FAWWPN_CONFIG; + } else { + /* Clear FW configured flag, preserve driver flag */ + phba->sli4_hba.fawwpn_flag &= ~LPFC_FAWWPN_CONFIG; + } + phba->sli4_hba.conf_trunk = bf_get(lpfc_mbx_rd_conf_trunk, rd_config); phba->sli4_hba.extents_in_use = bf_get(lpfc_mbx_rd_conf_extnts_inuse, rd_config); + phba->sli4_hba.max_cfg_param.max_xri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); + /* Reduce resource usage in kdump environment */ + if (is_kdump_kernel() && + phba->sli4_hba.max_cfg_param.max_xri > 512) + phba->sli4_hba.max_cfg_param.max_xri = 512; phba->sli4_hba.max_cfg_param.xri_base = bf_get(lpfc_mbx_rd_conf_xri_base, rd_config); phba->sli4_hba.max_cfg_param.max_vpi = @@ -7988,13 +9998,60 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ? (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0; phba->max_vports = phba->max_vpi; + + /* Next decide on FPIN or Signal E2E CGN support + * For congestion alarms and warnings valid combination are: + * 1. FPIN alarms / FPIN warnings + * 2. Signal alarms / Signal warnings + * 3. FPIN alarms / Signal warnings + * 4. Signal alarms / FPIN warnings + * + * Initialize the adapter frequency to 100 mSecs + */ + phba->cgn_reg_fpin = LPFC_CGN_FPIN_BOTH; + phba->cgn_reg_signal = EDC_CG_SIG_NOTSUPPORTED; + phba->cgn_sig_freq = lpfc_fabric_cgn_frequency; + + if (lpfc_use_cgn_signal) { + if (bf_get(lpfc_mbx_rd_conf_wcs, rd_config)) { + phba->cgn_reg_signal = EDC_CG_SIG_WARN_ONLY; + phba->cgn_reg_fpin &= ~LPFC_CGN_FPIN_WARN; + } + if (bf_get(lpfc_mbx_rd_conf_acs, rd_config)) { + /* MUST support both alarm and warning + * because EDC does not support alarm alone. + */ + if (phba->cgn_reg_signal != + EDC_CG_SIG_WARN_ONLY) { + /* Must support both or none */ + phba->cgn_reg_fpin = LPFC_CGN_FPIN_BOTH; + phba->cgn_reg_signal = + EDC_CG_SIG_NOTSUPPORTED; + } else { + phba->cgn_reg_signal = + EDC_CG_SIG_WARN_ALARM; + phba->cgn_reg_fpin = + LPFC_CGN_FPIN_NONE; + } + } + } + + /* Set the congestion initial signal and fpin values. */ + phba->cgn_init_reg_fpin = phba->cgn_reg_fpin; + phba->cgn_init_reg_signal = phba->cgn_reg_signal; + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "6446 READ_CONFIG reg_sig x%x reg_fpin:x%x\n", + phba->cgn_reg_signal, phba->cgn_reg_fpin); + + lpfc_map_topology(phba, rd_config); lpfc_printf_log(phba, KERN_INFO, LOG_SLI, "2003 cfg params Extents? %d " "XRI(B:%d M:%d), " "VPI(B:%d M:%d) " "VFI(B:%d M:%d) " "RPI(B:%d M:%d) " - "FCFI:%d EQ:%d CQ:%d WQ:%d RQ:%d\n", + "FCFI:%d EQ:%d CQ:%d WQ:%d RQ:%d lmt:x%x\n", phba->sli4_hba.extents_in_use, phba->sli4_hba.max_cfg_param.xri_base, phba->sli4_hba.max_cfg_param.max_xri, @@ -8008,41 +10065,42 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) phba->sli4_hba.max_cfg_param.max_eq, phba->sli4_hba.max_cfg_param.max_cq, phba->sli4_hba.max_cfg_param.max_wq, - phba->sli4_hba.max_cfg_param.max_rq); + phba->sli4_hba.max_cfg_param.max_rq, + phba->lmt); /* - * Calculate NVME queue resources based on how - * many WQ/CQs are available. + * Calculate queue resources based on how + * many WQ/CQ/EQs are available. */ - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { - length = phba->sli4_hba.max_cfg_param.max_wq; - if (phba->sli4_hba.max_cfg_param.max_cq < - phba->sli4_hba.max_cfg_param.max_wq) - length = phba->sli4_hba.max_cfg_param.max_cq; - - /* - * Whats left after this can go toward NVME. - * The minus 6 accounts for ELS, NVME LS, MBOX - * fof plus a couple extra. When configured for - * NVMET, FCP io channel WQs are not created. - */ - length -= 6; - if (!phba->nvmet_support) - length -= phba->cfg_fcp_io_channel; - - if (phba->cfg_nvme_io_channel > length) { - lpfc_printf_log( - phba, KERN_ERR, LOG_SLI, - "2005 Reducing NVME IO channel to %d: " - "WQ %d CQ %d NVMEIO %d FCPIO %d\n", - length, + qmin = phba->sli4_hba.max_cfg_param.max_wq; + if (phba->sli4_hba.max_cfg_param.max_cq < qmin) + qmin = phba->sli4_hba.max_cfg_param.max_cq; + /* + * Reserve 4 (ELS, NVME LS, MBOX, plus one extra) and + * the remainder can be used for NVME / FCP. + */ + qmin -= 4; + if (phba->sli4_hba.max_cfg_param.max_eq < qmin) + qmin = phba->sli4_hba.max_cfg_param.max_eq; + + /* Check to see if there is enough for default cfg */ + if ((phba->cfg_irq_chann > qmin) || + (phba->cfg_hdw_queue > qmin)) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "2005 Reducing Queues - " + "FW resource limitation: " + "WQ %d CQ %d EQ %d: min %d: " + "IRQ %d HDWQ %d\n", phba->sli4_hba.max_cfg_param.max_wq, phba->sli4_hba.max_cfg_param.max_cq, - phba->cfg_nvme_io_channel, - phba->cfg_fcp_io_channel); + phba->sli4_hba.max_cfg_param.max_eq, + qmin, phba->cfg_irq_chann, + phba->cfg_hdw_queue); - phba->cfg_nvme_io_channel = length; - } + if (phba->cfg_irq_chann > qmin) + phba->cfg_irq_chann = qmin; + if (phba->cfg_hdw_queue > qmin) + phba->cfg_hdw_queue = qmin; } } @@ -8055,7 +10113,7 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) forced_link_speed = bf_get(lpfc_mbx_rd_conf_link_speed, rd_config); if (forced_link_speed) { - phba->hba_flag |= HBA_FORCED_LINK_SPEED; + set_bit(HBA_FORCED_LINK_SPEED, &phba->hba_flag); switch (forced_link_speed) { case LINK_SPEED_1G: @@ -8095,7 +10153,8 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) LPFC_USER_LINK_SPEED_AUTO; break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, + LOG_TRACE_EVENT, "0047 Unrecognized link " "speed : %d\n", forced_link_speed); @@ -8132,7 +10191,7 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); if (rc2 || shdr_status || shdr_add_status) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3026 Mailbox failed , mbxCmd x%x " "GET_FUNCTION_CONFIG, mbxStatus x%x\n", bf_get(lpfc_mqe_command, &pmb->u.mqe), @@ -8169,7 +10228,7 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) "vf_number:%d\n", phba->sli4_hba.iov.pf_number, phba->sli4_hba.iov.vf_number); else - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3028 GET_FUNCTION_CONFIG: failed to find " "Resource Descriptor:x%x\n", LPFC_RSRC_DESC_TYPE_FCFCOE); @@ -8206,7 +10265,7 @@ lpfc_setup_endian_order(struct lpfc_hba *phba) mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!mboxq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0492 Unable to allocate memory for " "issuing SLI_CONFIG_SPECIAL mailbox " "command\n"); @@ -8221,7 +10280,7 @@ lpfc_setup_endian_order(struct lpfc_hba *phba) memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data)); rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); if (rc != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0493 SLI_CONFIG_SPECIAL mailbox " "failed with status x%x\n", rc); @@ -8254,53 +10313,22 @@ lpfc_setup_endian_order(struct lpfc_hba *phba) static int lpfc_sli4_queue_verify(struct lpfc_hba *phba) { - int io_channel; - int fof_vectors = phba->cfg_fof ? 1 : 0; - /* * Sanity check for configured queue parameters against the run-time * device parameters */ - /* Sanity check on HBA EQ parameters */ - io_channel = phba->io_channel_irqs; - - if (phba->sli4_hba.num_online_cpu < io_channel) { - lpfc_printf_log(phba, - KERN_ERR, LOG_INIT, - "3188 Reducing IO channels to match number of " - "online CPUs: from %d to %d\n", - io_channel, phba->sli4_hba.num_online_cpu); - io_channel = phba->sli4_hba.num_online_cpu; - } - - if (io_channel + fof_vectors > phba->sli4_hba.max_cfg_param.max_eq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2575 Reducing IO channels to match number of " - "available EQs: from %d to %d\n", - io_channel, - phba->sli4_hba.max_cfg_param.max_eq); - io_channel = phba->sli4_hba.max_cfg_param.max_eq - fof_vectors; - } - - /* The actual number of FCP / NVME event queues adopted */ - if (io_channel != phba->io_channel_irqs) - phba->io_channel_irqs = io_channel; - if (phba->cfg_fcp_io_channel > io_channel) - phba->cfg_fcp_io_channel = io_channel; - if (phba->cfg_nvme_io_channel > io_channel) - phba->cfg_nvme_io_channel = io_channel; if (phba->nvmet_support) { - if (phba->cfg_nvme_io_channel < phba->cfg_nvmet_mrq) - phba->cfg_nvmet_mrq = phba->cfg_nvme_io_channel; + if (phba->cfg_hdw_queue < phba->cfg_nvmet_mrq) + phba->cfg_nvmet_mrq = phba->cfg_hdw_queue; + if (phba->cfg_nvmet_mrq > LPFC_NVMET_MRQ_MAX) + phba->cfg_nvmet_mrq = LPFC_NVMET_MRQ_MAX; } - if (phba->cfg_nvmet_mrq > LPFC_NVMET_MRQ_MAX) - phba->cfg_nvmet_mrq = LPFC_NVMET_MRQ_MAX; lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2574 IO channels: irqs %d fcp %d nvme %d MRQ: %d\n", - phba->io_channel_irqs, phba->cfg_fcp_io_channel, - phba->cfg_nvme_io_channel, phba->cfg_nvmet_mrq); + "2574 IO channels: hdwQ %d IRQ %d MRQ: %d\n", + phba->cfg_hdw_queue, phba->cfg_irq_chann, + phba->cfg_nvmet_mrq); /* Get EQ depth from module parameter, fake the default for now */ phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B; @@ -8313,80 +10341,57 @@ lpfc_sli4_queue_verify(struct lpfc_hba *phba) } static int -lpfc_alloc_nvme_wq_cq(struct lpfc_hba *phba, int wqidx) -{ - struct lpfc_queue *qdesc; - - qdesc = lpfc_sli4_queue_alloc(phba, LPFC_EXPANDED_PAGE_SIZE, - phba->sli4_hba.cq_esize, - LPFC_CQE_EXP_COUNT); - if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0508 Failed allocate fast-path NVME CQ (%d)\n", - wqidx); - return 1; - } - qdesc->qe_valid = 1; - phba->sli4_hba.nvme_cq[wqidx] = qdesc; - - qdesc = lpfc_sli4_queue_alloc(phba, LPFC_EXPANDED_PAGE_SIZE, - LPFC_WQE128_SIZE, LPFC_WQE_EXP_COUNT); - if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0509 Failed allocate fast-path NVME WQ (%d)\n", - wqidx); - return 1; - } - phba->sli4_hba.nvme_wq[wqidx] = qdesc; - list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); - return 0; -} - -static int -lpfc_alloc_fcp_wq_cq(struct lpfc_hba *phba, int wqidx) +lpfc_alloc_io_wq_cq(struct lpfc_hba *phba, int idx) { struct lpfc_queue *qdesc; - uint32_t wqesize; + u32 wqesize; + int cpu; - /* Create Fast Path FCP CQs */ + cpu = lpfc_find_cpu_handle(phba, idx, LPFC_FIND_BY_HDWQ); + /* Create Fast Path IO CQs */ if (phba->enab_exp_wqcq_pages) /* Increase the CQ size when WQEs contain an embedded cdb */ qdesc = lpfc_sli4_queue_alloc(phba, LPFC_EXPANDED_PAGE_SIZE, phba->sli4_hba.cq_esize, - LPFC_CQE_EXP_COUNT); + LPFC_CQE_EXP_COUNT, cpu); else qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, phba->sli4_hba.cq_esize, - phba->sli4_hba.cq_ecount); + phba->sli4_hba.cq_ecount, cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0499 Failed allocate fast-path FCP CQ (%d)\n", wqidx); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0499 Failed allocate fast-path IO CQ (%d)\n", + idx); return 1; } qdesc->qe_valid = 1; - phba->sli4_hba.fcp_cq[wqidx] = qdesc; + qdesc->hdwq = idx; + qdesc->chann = cpu; + phba->sli4_hba.hdwq[idx].io_cq = qdesc; - /* Create Fast Path FCP WQs */ + /* Create Fast Path IO WQs */ if (phba->enab_exp_wqcq_pages) { /* Increase the WQ size when WQEs contain an embedded cdb */ wqesize = (phba->fcp_embed_io) ? LPFC_WQE128_SIZE : phba->sli4_hba.wq_esize; qdesc = lpfc_sli4_queue_alloc(phba, LPFC_EXPANDED_PAGE_SIZE, wqesize, - LPFC_WQE_EXP_COUNT); + LPFC_WQE_EXP_COUNT, cpu); } else qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, phba->sli4_hba.wq_esize, - phba->sli4_hba.wq_ecount); + phba->sli4_hba.wq_ecount, cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0503 Failed allocate fast-path FCP WQ (%d)\n", - wqidx); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0503 Failed allocate fast-path IO WQ (%d)\n", + idx); return 1; } - phba->sli4_hba.fcp_wq[wqidx] = qdesc; + qdesc->hdwq = idx; + qdesc->chann = cpu; + phba->sli4_hba.hdwq[idx].io_wq = qdesc; list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); return 0; } @@ -8409,16 +10414,17 @@ int lpfc_sli4_queue_create(struct lpfc_hba *phba) { struct lpfc_queue *qdesc; - int idx, io_channel; + int idx, cpu, eqcpu; + struct lpfc_sli4_hdw_queue *qp; + struct lpfc_vector_map_info *cpup; + struct lpfc_vector_map_info *eqcpup; + struct lpfc_eq_intr_info *eqi; + u32 wqesize; /* * Create HBA Record arrays. * Both NVME and FCP will share that same vectors / EQs */ - io_channel = phba->io_channel_irqs; - if (!io_channel) - return -ERANGE; - phba->sli4_hba.mq_esize = LPFC_MQE_SIZE; phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT; phba->sli4_hba.wq_esize = LPFC_WQE_SIZE; @@ -8430,94 +10436,44 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) phba->sli4_hba.cq_esize = LPFC_CQE_SIZE; phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT; - phba->sli4_hba.hba_eq = kcalloc(io_channel, - sizeof(struct lpfc_queue *), - GFP_KERNEL); - if (!phba->sli4_hba.hba_eq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2576 Failed allocate memory for " - "fast-path EQ record array\n"); - goto out_error; - } - - if (phba->cfg_fcp_io_channel) { - phba->sli4_hba.fcp_cq = kcalloc(phba->cfg_fcp_io_channel, - sizeof(struct lpfc_queue *), - GFP_KERNEL); - if (!phba->sli4_hba.fcp_cq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2577 Failed allocate memory for " - "fast-path CQ record array\n"); - goto out_error; - } - phba->sli4_hba.fcp_wq = kcalloc(phba->cfg_fcp_io_channel, - sizeof(struct lpfc_queue *), - GFP_KERNEL); - if (!phba->sli4_hba.fcp_wq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2578 Failed allocate memory for " - "fast-path FCP WQ record array\n"); + if (!phba->sli4_hba.hdwq) { + phba->sli4_hba.hdwq = kcalloc( + phba->cfg_hdw_queue, sizeof(struct lpfc_sli4_hdw_queue), + GFP_KERNEL); + if (!phba->sli4_hba.hdwq) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "6427 Failed allocate memory for " + "fast-path Hardware Queue array\n"); goto out_error; } - /* - * Since the first EQ can have multiple CQs associated with it, - * this array is used to quickly see if we have a FCP fast-path - * CQ match. - */ - phba->sli4_hba.fcp_cq_map = kcalloc(phba->cfg_fcp_io_channel, - sizeof(uint16_t), - GFP_KERNEL); - if (!phba->sli4_hba.fcp_cq_map) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2545 Failed allocate memory for " - "fast-path CQ map\n"); - goto out_error; + /* Prepare hardware queues to take IO buffers */ + for (idx = 0; idx < phba->cfg_hdw_queue; idx++) { + qp = &phba->sli4_hba.hdwq[idx]; + spin_lock_init(&qp->io_buf_list_get_lock); + spin_lock_init(&qp->io_buf_list_put_lock); + INIT_LIST_HEAD(&qp->lpfc_io_buf_list_get); + INIT_LIST_HEAD(&qp->lpfc_io_buf_list_put); + qp->get_io_bufs = 0; + qp->put_io_bufs = 0; + qp->total_io_bufs = 0; + spin_lock_init(&qp->abts_io_buf_list_lock); + INIT_LIST_HEAD(&qp->lpfc_abts_io_buf_list); + qp->abts_scsi_io_bufs = 0; + qp->abts_nvme_io_bufs = 0; + INIT_LIST_HEAD(&qp->sgl_list); + INIT_LIST_HEAD(&qp->cmd_rsp_buf_list); + spin_lock_init(&qp->hdwq_lock); } } - if (phba->cfg_nvme_io_channel) { - phba->sli4_hba.nvme_cq = kcalloc(phba->cfg_nvme_io_channel, - sizeof(struct lpfc_queue *), - GFP_KERNEL); - if (!phba->sli4_hba.nvme_cq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "6077 Failed allocate memory for " - "fast-path CQ record array\n"); - goto out_error; - } - - phba->sli4_hba.nvme_wq = kcalloc(phba->cfg_nvme_io_channel, - sizeof(struct lpfc_queue *), - GFP_KERNEL); - if (!phba->sli4_hba.nvme_wq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2581 Failed allocate memory for " - "fast-path NVME WQ record array\n"); - goto out_error; - } - - /* - * Since the first EQ can have multiple CQs associated with it, - * this array is used to quickly see if we have a NVME fast-path - * CQ match. - */ - phba->sli4_hba.nvme_cq_map = kcalloc(phba->cfg_nvme_io_channel, - sizeof(uint16_t), - GFP_KERNEL); - if (!phba->sli4_hba.nvme_cq_map) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "6078 Failed allocate memory for " - "fast-path CQ map\n"); - goto out_error; - } - + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { if (phba->nvmet_support) { phba->sli4_hba.nvmet_cqset = kcalloc( phba->cfg_nvmet_mrq, sizeof(struct lpfc_queue *), GFP_KERNEL); if (!phba->sli4_hba.nvmet_cqset) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3121 Fail allocate memory for " "fast-path CQ set array\n"); goto out_error; @@ -8527,7 +10483,7 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) sizeof(struct lpfc_queue *), GFP_KERNEL); if (!phba->sli4_hba.nvmet_mrq_hdr) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3122 Fail allocate memory for " "fast-path RQ set hdr array\n"); goto out_error; @@ -8537,7 +10493,7 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) sizeof(struct lpfc_queue *), GFP_KERNEL); if (!phba->sli4_hba.nvmet_mrq_data) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3124 Fail allocate memory for " "fast-path RQ set data array\n"); goto out_error; @@ -8548,43 +10504,85 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) INIT_LIST_HEAD(&phba->sli4_hba.lpfc_wq_list); /* Create HBA Event Queues (EQs) */ - for (idx = 0; idx < io_channel; idx++) { - /* Create EQs */ + for_each_present_cpu(cpu) { + /* We only want to create 1 EQ per vector, even though + * multiple CPUs might be using that vector. so only + * selects the CPUs that are LPFC_CPU_FIRST_IRQ. + */ + cpup = &phba->sli4_hba.cpu_map[cpu]; + if (!(cpup->flag & LPFC_CPU_FIRST_IRQ)) + continue; + + /* Get a ptr to the Hardware Queue associated with this CPU */ + qp = &phba->sli4_hba.hdwq[cpup->hdwq]; + + /* Allocate an EQ */ qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, phba->sli4_hba.eq_esize, - phba->sli4_hba.eq_ecount); + phba->sli4_hba.eq_ecount, cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0497 Failed allocate EQ (%d)\n", idx); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0497 Failed allocate EQ (%d)\n", + cpup->hdwq); goto out_error; } qdesc->qe_valid = 1; - phba->sli4_hba.hba_eq[idx] = qdesc; + qdesc->hdwq = cpup->hdwq; + qdesc->chann = cpu; /* First CPU this EQ is affinitized to */ + qdesc->last_cpu = qdesc->chann; + + /* Save the allocated EQ in the Hardware Queue */ + qp->hba_eq = qdesc; + + eqi = per_cpu_ptr(phba->sli4_hba.eq_info, qdesc->last_cpu); + list_add(&qdesc->cpu_list, &eqi->list); } - /* FCP and NVME io channels are not required to be balanced */ + /* Now we need to populate the other Hardware Queues, that share + * an IRQ vector, with the associated EQ ptr. + */ + for_each_present_cpu(cpu) { + cpup = &phba->sli4_hba.cpu_map[cpu]; - for (idx = 0; idx < phba->cfg_fcp_io_channel; idx++) - if (lpfc_alloc_fcp_wq_cq(phba, idx)) - goto out_error; + /* Check for EQ already allocated in previous loop */ + if (cpup->flag & LPFC_CPU_FIRST_IRQ) + continue; + + /* Check for multiple CPUs per hdwq */ + qp = &phba->sli4_hba.hdwq[cpup->hdwq]; + if (qp->hba_eq) + continue; - for (idx = 0; idx < phba->cfg_nvme_io_channel; idx++) - if (lpfc_alloc_nvme_wq_cq(phba, idx)) + /* We need to share an EQ for this hdwq */ + eqcpu = lpfc_find_cpu_handle(phba, cpup->eq, LPFC_FIND_BY_EQ); + eqcpup = &phba->sli4_hba.cpu_map[eqcpu]; + qp->hba_eq = phba->sli4_hba.hdwq[eqcpup->hdwq].hba_eq; + } + + /* Allocate IO Path SLI4 CQ/WQs */ + for (idx = 0; idx < phba->cfg_hdw_queue; idx++) { + if (lpfc_alloc_io_wq_cq(phba, idx)) goto out_error; + } if (phba->nvmet_support) { for (idx = 0; idx < phba->cfg_nvmet_mrq; idx++) { + cpu = lpfc_find_cpu_handle(phba, idx, + LPFC_FIND_BY_HDWQ); qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, phba->sli4_hba.cq_esize, - phba->sli4_hba.cq_ecount); + phba->sli4_hba.cq_ecount, + cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "3142 Failed allocate NVME " - "CQ Set (%d)\n", idx); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "3142 Failed allocate NVME " + "CQ Set (%d)\n", idx); goto out_error; } qdesc->qe_valid = 1; + qdesc->hdwq = idx; + qdesc->chann = cpu; phba->sli4_hba.nvmet_cqset[idx] = qdesc; } } @@ -8593,12 +10591,13 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) * Create Slow Path Completion Queues (CQs) */ + cpu = lpfc_find_cpu_handle(phba, 0, LPFC_FIND_BY_EQ); /* Create slow-path Mailbox Command Complete Queue */ qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, phba->sli4_hba.cq_esize, - phba->sli4_hba.cq_ecount); + phba->sli4_hba.cq_ecount, cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0500 Failed allocate slow-path mailbox CQ\n"); goto out_error; } @@ -8608,13 +10607,14 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) /* Create slow-path ELS Complete Queue */ qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, phba->sli4_hba.cq_esize, - phba->sli4_hba.cq_ecount); + phba->sli4_hba.cq_ecount, cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0501 Failed allocate slow-path ELS CQ\n"); goto out_error; } qdesc->qe_valid = 1; + qdesc->chann = cpu; phba->sli4_hba.els_cq = qdesc; @@ -8626,27 +10626,35 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, phba->sli4_hba.mq_esize, - phba->sli4_hba.mq_ecount); + phba->sli4_hba.mq_ecount, cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0505 Failed allocate slow-path MQ\n"); goto out_error; } + qdesc->chann = cpu; phba->sli4_hba.mbx_wq = qdesc; /* * Create ELS Work Queues */ - /* Create slow-path ELS Work Queue */ + /* + * Create slow-path ELS Work Queue. + * Increase the ELS WQ size when WQEs contain an embedded cdb + */ + wqesize = (phba->fcp_embed_io) ? + LPFC_WQE128_SIZE : phba->sli4_hba.wq_esize; + qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, - phba->sli4_hba.wq_esize, - phba->sli4_hba.wq_ecount); + wqesize, + phba->sli4_hba.wq_ecount, cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0504 Failed allocate slow-path ELS WQ\n"); goto out_error; } + qdesc->chann = cpu; phba->sli4_hba.els_wq = qdesc; list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); @@ -8654,24 +10662,26 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) /* Create NVME LS Complete Queue */ qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, phba->sli4_hba.cq_esize, - phba->sli4_hba.cq_ecount); + phba->sli4_hba.cq_ecount, cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6079 Failed allocate NVME LS CQ\n"); goto out_error; } + qdesc->chann = cpu; qdesc->qe_valid = 1; phba->sli4_hba.nvmels_cq = qdesc; /* Create NVME LS Work Queue */ qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, phba->sli4_hba.wq_esize, - phba->sli4_hba.wq_ecount); + phba->sli4_hba.wq_ecount, cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6080 Failed allocate NVME LS WQ\n"); goto out_error; } + qdesc->chann = cpu; phba->sli4_hba.nvmels_wq = qdesc; list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); } @@ -8683,9 +10693,9 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) /* Create Receive Queue for header */ qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, phba->sli4_hba.rq_esize, - phba->sli4_hba.rq_ecount); + phba->sli4_hba.rq_ecount, cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0506 Failed allocate receive HRQ\n"); goto out_error; } @@ -8694,34 +10704,40 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) /* Create Receive Queue for data */ qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, phba->sli4_hba.rq_esize, - phba->sli4_hba.rq_ecount); + phba->sli4_hba.rq_ecount, cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0507 Failed allocate receive DRQ\n"); goto out_error; } phba->sli4_hba.dat_rq = qdesc; - if (phba->nvmet_support) { + if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) && + phba->nvmet_support) { for (idx = 0; idx < phba->cfg_nvmet_mrq; idx++) { + cpu = lpfc_find_cpu_handle(phba, idx, + LPFC_FIND_BY_HDWQ); /* Create NVMET Receive Queue for header */ qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, phba->sli4_hba.rq_esize, - LPFC_NVMET_RQE_DEF_COUNT); + LPFC_NVMET_RQE_DEF_COUNT, + cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3146 Failed allocate " "receive HRQ\n"); goto out_error; } + qdesc->hdwq = idx; phba->sli4_hba.nvmet_mrq_hdr[idx] = qdesc; /* Only needed for header of RQ pair */ - qdesc->rqbp = kzalloc(sizeof(struct lpfc_rqb), - GFP_KERNEL); + qdesc->rqbp = kzalloc_node(sizeof(*qdesc->rqbp), + GFP_KERNEL, + cpu_to_node(cpu)); if (qdesc->rqbp == NULL) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6131 Failed allocate " "Header RQBP\n"); goto out_error; @@ -8734,20 +10750,35 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, phba->sli4_hba.rq_esize, - LPFC_NVMET_RQE_DEF_COUNT); + LPFC_NVMET_RQE_DEF_COUNT, + cpu); if (!qdesc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3156 Failed allocate " "receive DRQ\n"); goto out_error; } + qdesc->hdwq = idx; phba->sli4_hba.nvmet_mrq_data[idx] = qdesc; } } - /* Create the Queues needed for Flash Optimized Fabric operations */ - if (phba->cfg_fof) - lpfc_fof_queue_create(phba); + /* Clear NVME stats */ + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { + for (idx = 0; idx < phba->cfg_hdw_queue; idx++) { + memset(&phba->sli4_hba.hdwq[idx].nvme_cstat, 0, + sizeof(phba->sli4_hba.hdwq[idx].nvme_cstat)); + } + } + + /* Clear SCSI stats */ + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { + for (idx = 0; idx < phba->cfg_hdw_queue; idx++) { + memset(&phba->sli4_hba.hdwq[idx].scsi_cstat, 0, + sizeof(phba->sli4_hba.hdwq[idx].scsi_cstat)); + } + } + return 0; out_error: @@ -8780,11 +10811,32 @@ lpfc_sli4_release_queues(struct lpfc_queue ***qs, int max) } static inline void -lpfc_sli4_release_queue_map(uint16_t **qmap) +lpfc_sli4_release_hdwq(struct lpfc_hba *phba) { - if (*qmap != NULL) { - kfree(*qmap); - *qmap = NULL; + struct lpfc_sli4_hdw_queue *hdwq; + struct lpfc_queue *eq; + uint32_t idx; + + hdwq = phba->sli4_hba.hdwq; + + /* Loop thru all Hardware Queues */ + for (idx = 0; idx < phba->cfg_hdw_queue; idx++) { + /* Free the CQ/WQ corresponding to the Hardware Queue */ + lpfc_sli4_queue_free(hdwq[idx].io_cq); + lpfc_sli4_queue_free(hdwq[idx].io_wq); + hdwq[idx].hba_eq = NULL; + hdwq[idx].io_cq = NULL; + hdwq[idx].io_wq = NULL; + if (phba->cfg_xpsgl && !phba->nvmet_support) + lpfc_free_sgl_per_hdwq(phba, &hdwq[idx]); + lpfc_free_cmd_rsp_buf_per_hdwq(phba, &hdwq[idx]); + } + /* Loop thru all IRQ vectors */ + for (idx = 0; idx < phba->cfg_irq_chann; idx++) { + /* Free the EQ corresponding to the IRQ vector */ + eq = phba->sli4_hba.hba_eq_hdl[idx].eq; + lpfc_sli4_queue_free(eq); + phba->sli4_hba.hba_eq_hdl[idx].eq = NULL; } } @@ -8803,33 +10855,25 @@ lpfc_sli4_release_queue_map(uint16_t **qmap) void lpfc_sli4_queue_destroy(struct lpfc_hba *phba) { - if (phba->cfg_fof) - lpfc_fof_queue_destroy(phba); - - /* Release HBA eqs */ - lpfc_sli4_release_queues(&phba->sli4_hba.hba_eq, phba->io_channel_irqs); - - /* Release FCP cqs */ - lpfc_sli4_release_queues(&phba->sli4_hba.fcp_cq, - phba->cfg_fcp_io_channel); - - /* Release FCP wqs */ - lpfc_sli4_release_queues(&phba->sli4_hba.fcp_wq, - phba->cfg_fcp_io_channel); - - /* Release FCP CQ mapping array */ - lpfc_sli4_release_queue_map(&phba->sli4_hba.fcp_cq_map); - - /* Release NVME cqs */ - lpfc_sli4_release_queues(&phba->sli4_hba.nvme_cq, - phba->cfg_nvme_io_channel); + /* + * Set FREE_INIT before beginning to free the queues. + * Wait until the users of queues to acknowledge to + * release queues by clearing FREE_WAIT. + */ + spin_lock_irq(&phba->hbalock); + phba->sli.sli_flag |= LPFC_QUEUE_FREE_INIT; + while (phba->sli.sli_flag & LPFC_QUEUE_FREE_WAIT) { + spin_unlock_irq(&phba->hbalock); + msleep(20); + spin_lock_irq(&phba->hbalock); + } + spin_unlock_irq(&phba->hbalock); - /* Release NVME wqs */ - lpfc_sli4_release_queues(&phba->sli4_hba.nvme_wq, - phba->cfg_nvme_io_channel); + lpfc_sli4_cleanup_poll_list(phba); - /* Release NVME CQ mapping array */ - lpfc_sli4_release_queue_map(&phba->sli4_hba.nvme_cq_map); + /* Release HBA eqs */ + if (phba->sli4_hba.hdwq) + lpfc_sli4_release_hdwq(phba); if (phba->nvmet_support) { lpfc_sli4_release_queues(&phba->sli4_hba.nvmet_cqset, @@ -8865,6 +10909,11 @@ lpfc_sli4_queue_destroy(struct lpfc_hba *phba) /* Everything on this list has been freed */ INIT_LIST_HEAD(&phba->sli4_hba.lpfc_wq_list); + + /* Done with freeing the queues */ + spin_lock_irq(&phba->hbalock); + phba->sli.sli_flag &= ~LPFC_QUEUE_FREE_INIT; + spin_unlock_irq(&phba->hbalock); } int @@ -8895,7 +10944,7 @@ lpfc_create_wq_cq(struct lpfc_hba *phba, struct lpfc_queue *eq, int rc; if (!eq || !cq || !wq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6085 Fast-path %s (%d) not allocated\n", ((eq) ? ((cq) ? "WQ" : "CQ") : "EQ"), qidx); return -ENOMEM; @@ -8905,15 +10954,14 @@ lpfc_create_wq_cq(struct lpfc_hba *phba, struct lpfc_queue *eq, rc = lpfc_cq_create(phba, cq, eq, (qtype == LPFC_MBOX) ? LPFC_MCQ : LPFC_WCQ, qtype); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "6086 Failed setup of CQ (%d), rc = 0x%x\n", - qidx, (uint32_t)rc); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "6086 Failed setup of CQ (%d), rc = 0x%x\n", + qidx, (uint32_t)rc); return rc; } - cq->chann = qidx; if (qtype != LPFC_MBOX) { - /* Setup nvme_cq_map for fast lookup */ + /* Setup cq_map for fast lookup */ if (cq_map) *cq_map = cq->queue_id; @@ -8924,13 +10972,12 @@ lpfc_create_wq_cq(struct lpfc_hba *phba, struct lpfc_queue *eq, /* create the wq */ rc = lpfc_wq_create(phba, wq, cq, qtype); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "6123 Fail setup fastpath WQ (%d), rc = 0x%x\n", + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "4618 Fail setup fastpath WQ (%d), rc = 0x%x\n", qidx, (uint32_t)rc); /* no need to tear down cq - caller will do so */ return rc; } - wq->chann = qidx; /* Bind this CQ/WQ to the NVME ring */ pring = wq->pring; @@ -8943,9 +10990,9 @@ lpfc_create_wq_cq(struct lpfc_hba *phba, struct lpfc_queue *eq, } else { rc = lpfc_mq_create(phba, wq, cq, LPFC_MBOX); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0539 Failed setup of slow-path MQ: " - "rc = 0x%x\n", rc); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0539 Failed setup of slow-path MQ: " + "rc = 0x%x\n", rc); /* no need to tear down cq - caller will do so */ return rc; } @@ -8960,6 +11007,38 @@ lpfc_create_wq_cq(struct lpfc_hba *phba, struct lpfc_queue *eq, } /** + * lpfc_setup_cq_lookup - Setup the CQ lookup table + * @phba: pointer to lpfc hba data structure. + * + * This routine will populate the cq_lookup table by all + * available CQ queue_id's. + **/ +static void +lpfc_setup_cq_lookup(struct lpfc_hba *phba) +{ + struct lpfc_queue *eq, *childq; + int qidx; + + memset(phba->sli4_hba.cq_lookup, 0, + (sizeof(struct lpfc_queue *) * (phba->sli4_hba.cq_max + 1))); + /* Loop thru all IRQ vectors */ + for (qidx = 0; qidx < phba->cfg_irq_chann; qidx++) { + /* Get the EQ corresponding to the IRQ vector */ + eq = phba->sli4_hba.hba_eq_hdl[qidx].eq; + if (!eq) + continue; + /* Loop through all CQs associated with that EQ */ + list_for_each_entry(childq, &eq->child_list, list) { + if (childq->queue_id > phba->sli4_hba.cq_max) + continue; + if (childq->subtype == LPFC_IO) + phba->sli4_hba.cq_lookup[childq->queue_id] = + childq; + } + } +} + +/** * lpfc_sli4_queue_setup - Set up all the SLI4 queues * @phba: pointer to lpfc hba data structure. * @@ -8976,15 +11055,17 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) { uint32_t shdr_status, shdr_add_status; union lpfc_sli4_cfg_shdr *shdr; + struct lpfc_vector_map_info *cpup; + struct lpfc_sli4_hdw_queue *qp; LPFC_MBOXQ_t *mboxq; - int qidx; - uint32_t length, io_channel; + int qidx, cpu; + uint32_t length, usdelay; int rc = -ENOMEM; /* Check for dual-ULP support */ mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!mboxq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3249 Unable to allocate memory for " "QUERY_FW_CFG mailbox command\n"); return -ENOMEM; @@ -9002,116 +11083,93 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); if (shdr_status || shdr_add_status || rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3250 QUERY_FW_CFG mailbox failed with status " "x%x add_status x%x, mbx status x%x\n", shdr_status, shdr_add_status, rc); - if (rc != MBX_TIMEOUT) - mempool_free(mboxq, phba->mbox_mem_pool); + mempool_free(mboxq, phba->mbox_mem_pool); rc = -ENXIO; goto out_error; } phba->sli4_hba.fw_func_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode; - phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode; - phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode; phba->sli4_hba.physical_port = mboxq->u.mqe.un.query_fw_cfg.rsp.physical_port; lpfc_printf_log(phba, KERN_INFO, LOG_INIT, - "3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, " - "ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode, - phba->sli4_hba.ulp0_mode, phba->sli4_hba.ulp1_mode); + "3251 QUERY_FW_CFG: func_mode:x%x\n", + phba->sli4_hba.fw_func_mode); - if (rc != MBX_TIMEOUT) - mempool_free(mboxq, phba->mbox_mem_pool); + mempool_free(mboxq, phba->mbox_mem_pool); /* * Set up HBA Event Queues (EQs) */ - io_channel = phba->io_channel_irqs; + qp = phba->sli4_hba.hdwq; /* Set up HBA event queue */ - if (io_channel && !phba->sli4_hba.hba_eq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + if (!qp) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3147 Fast-path EQs not allocated\n"); rc = -ENOMEM; goto out_error; } - for (qidx = 0; qidx < io_channel; qidx++) { - if (!phba->sli4_hba.hba_eq[qidx]) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0522 Fast-path EQ (%d) not " - "allocated\n", qidx); - rc = -ENOMEM; - goto out_destroy; - } - rc = lpfc_eq_create(phba, phba->sli4_hba.hba_eq[qidx], - phba->cfg_fcp_imax); - if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0523 Failed setup of fast-path EQ " - "(%d), rc = 0x%x\n", qidx, - (uint32_t)rc); - goto out_destroy; - } - lpfc_printf_log(phba, KERN_INFO, LOG_INIT, - "2584 HBA EQ setup: queue[%d]-id=%d\n", - qidx, phba->sli4_hba.hba_eq[qidx]->queue_id); - } - if (phba->cfg_nvme_io_channel) { - if (!phba->sli4_hba.nvme_cq || !phba->sli4_hba.nvme_wq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "6084 Fast-path NVME %s array not allocated\n", - (phba->sli4_hba.nvme_cq) ? "CQ" : "WQ"); - rc = -ENOMEM; - goto out_destroy; - } + /* Loop thru all IRQ vectors */ + for (qidx = 0; qidx < phba->cfg_irq_chann; qidx++) { + /* Create HBA Event Queues (EQs) in order */ + for_each_present_cpu(cpu) { + cpup = &phba->sli4_hba.cpu_map[cpu]; + + /* Look for the CPU thats using that vector with + * LPFC_CPU_FIRST_IRQ set. + */ + if (!(cpup->flag & LPFC_CPU_FIRST_IRQ)) + continue; + if (qidx != cpup->eq) + continue; - for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) { - rc = lpfc_create_wq_cq(phba, - phba->sli4_hba.hba_eq[ - qidx % io_channel], - phba->sli4_hba.nvme_cq[qidx], - phba->sli4_hba.nvme_wq[qidx], - &phba->sli4_hba.nvme_cq_map[qidx], - qidx, LPFC_NVME); + /* Create an EQ for that vector */ + rc = lpfc_eq_create(phba, qp[cpup->hdwq].hba_eq, + phba->cfg_fcp_imax); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "6123 Failed to setup fastpath " - "NVME WQ/CQ (%d), rc = 0x%x\n", - qidx, (uint32_t)rc); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0523 Failed setup of fast-path" + " EQ (%d), rc = 0x%x\n", + cpup->eq, (uint32_t)rc); goto out_destroy; } + + /* Save the EQ for that vector in the hba_eq_hdl */ + phba->sli4_hba.hba_eq_hdl[cpup->eq].eq = + qp[cpup->hdwq].hba_eq; + + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "2584 HBA EQ setup: queue[%d]-id=%d\n", + cpup->eq, + qp[cpup->hdwq].hba_eq->queue_id); } } - if (phba->cfg_fcp_io_channel) { - /* Set up fast-path FCP Response Complete Queue */ - if (!phba->sli4_hba.fcp_cq || !phba->sli4_hba.fcp_wq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "3148 Fast-path FCP %s array not allocated\n", - phba->sli4_hba.fcp_cq ? "WQ" : "CQ"); - rc = -ENOMEM; - goto out_destroy; - } + /* Loop thru all Hardware Queues */ + for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { + cpu = lpfc_find_cpu_handle(phba, qidx, LPFC_FIND_BY_HDWQ); + cpup = &phba->sli4_hba.cpu_map[cpu]; - for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) { - rc = lpfc_create_wq_cq(phba, - phba->sli4_hba.hba_eq[ - qidx % io_channel], - phba->sli4_hba.fcp_cq[qidx], - phba->sli4_hba.fcp_wq[qidx], - &phba->sli4_hba.fcp_cq_map[qidx], - qidx, LPFC_FCP); - if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + /* Create the CQ/WQ corresponding to the Hardware Queue */ + rc = lpfc_create_wq_cq(phba, + phba->sli4_hba.hdwq[cpup->hdwq].hba_eq, + qp[qidx].io_cq, + qp[qidx].io_wq, + &phba->sli4_hba.hdwq[qidx].io_cq_map, + qidx, + LPFC_IO); + if (rc) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0535 Failed to setup fastpath " - "FCP WQ/CQ (%d), rc = 0x%x\n", + "IO WQ/CQ (%d), rc = 0x%x\n", qidx, (uint32_t)rc); - goto out_destroy; - } + goto out_destroy; } } @@ -9122,7 +11180,7 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) /* Set up slow-path MBOX CQ/MQ */ if (!phba->sli4_hba.mbx_cq || !phba->sli4_hba.mbx_wq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0528 %s not allocated\n", phba->sli4_hba.mbx_cq ? "Mailbox WQ" : "Mailbox CQ"); @@ -9130,19 +11188,19 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) goto out_destroy; } - rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0], + rc = lpfc_create_wq_cq(phba, qp[0].hba_eq, phba->sli4_hba.mbx_cq, phba->sli4_hba.mbx_wq, NULL, 0, LPFC_MBOX); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0529 Failed setup of mailbox WQ/CQ: rc = 0x%x\n", (uint32_t)rc); goto out_destroy; } if (phba->nvmet_support) { if (!phba->sli4_hba.nvmet_cqset) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3165 Fast-path NVME CQ Set " "array not allocated\n"); rc = -ENOMEM; @@ -9151,10 +11209,10 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) if (phba->cfg_nvmet_mrq > 1) { rc = lpfc_cq_create_set(phba, phba->sli4_hba.nvmet_cqset, - phba->sli4_hba.hba_eq, + qp, LPFC_WCQ, LPFC_NVMET); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3164 Failed setup of NVME CQ " "Set, rc = 0x%x\n", (uint32_t)rc); @@ -9163,10 +11221,10 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) } else { /* Set up NVMET Receive Complete Queue */ rc = lpfc_cq_create(phba, phba->sli4_hba.nvmet_cqset[0], - phba->sli4_hba.hba_eq[0], + qp[0].hba_eq, LPFC_WCQ, LPFC_NVMET); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6089 Failed setup NVMET CQ: " "rc = 0x%x\n", (uint32_t)rc); goto out_destroy; @@ -9177,26 +11235,26 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) "6090 NVMET CQ setup: cq-id=%d, " "parent eq-id=%d\n", phba->sli4_hba.nvmet_cqset[0]->queue_id, - phba->sli4_hba.hba_eq[0]->queue_id); + qp[0].hba_eq->queue_id); } } /* Set up slow-path ELS WQ/CQ */ if (!phba->sli4_hba.els_cq || !phba->sli4_hba.els_wq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0530 ELS %s not allocated\n", phba->sli4_hba.els_cq ? "WQ" : "CQ"); rc = -ENOMEM; goto out_destroy; } - rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0], - phba->sli4_hba.els_cq, - phba->sli4_hba.els_wq, - NULL, 0, LPFC_ELS); + rc = lpfc_create_wq_cq(phba, qp[0].hba_eq, + phba->sli4_hba.els_cq, + phba->sli4_hba.els_wq, + NULL, 0, LPFC_ELS); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0529 Failed setup of ELS WQ/CQ: rc = 0x%x\n", - (uint32_t)rc); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0525 Failed setup of ELS WQ/CQ: rc = 0x%x\n", + (uint32_t)rc); goto out_destroy; } lpfc_printf_log(phba, KERN_INFO, LOG_INIT, @@ -9204,23 +11262,23 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) phba->sli4_hba.els_wq->queue_id, phba->sli4_hba.els_cq->queue_id); - if (phba->cfg_nvme_io_channel) { + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { /* Set up NVME LS Complete Queue */ if (!phba->sli4_hba.nvmels_cq || !phba->sli4_hba.nvmels_wq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6091 LS %s not allocated\n", phba->sli4_hba.nvmels_cq ? "WQ" : "CQ"); rc = -ENOMEM; goto out_destroy; } - rc = lpfc_create_wq_cq(phba, phba->sli4_hba.hba_eq[0], - phba->sli4_hba.nvmels_cq, - phba->sli4_hba.nvmels_wq, - NULL, 0, LPFC_NVME_LS); + rc = lpfc_create_wq_cq(phba, qp[0].hba_eq, + phba->sli4_hba.nvmels_cq, + phba->sli4_hba.nvmels_wq, + NULL, 0, LPFC_NVME_LS); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0529 Failed setup of NVVME LS WQ/CQ: " - "rc = 0x%x\n", (uint32_t)rc); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0526 Failed setup of NVVME LS WQ/CQ: " + "rc = 0x%x\n", (uint32_t)rc); goto out_destroy; } @@ -9238,7 +11296,7 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) if ((!phba->sli4_hba.nvmet_cqset) || (!phba->sli4_hba.nvmet_mrq_hdr) || (!phba->sli4_hba.nvmet_mrq_data)) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6130 MRQ CQ Queues not " "allocated\n"); rc = -ENOMEM; @@ -9251,7 +11309,7 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) phba->sli4_hba.nvmet_cqset, LPFC_NVMET); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6098 Failed setup of NVMET " "MRQ: rc = 0x%x\n", (uint32_t)rc); @@ -9265,7 +11323,7 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) phba->sli4_hba.nvmet_cqset[0], LPFC_NVMET); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6057 Failed setup of NVMET " "Receive Queue: rc = 0x%x\n", (uint32_t)rc); @@ -9284,7 +11342,7 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) } if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0540 Receive Queue not allocated\n"); rc = -ENOMEM; goto out_destroy; @@ -9293,7 +11351,7 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq, phba->sli4_hba.els_cq, LPFC_USOL); if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0541 Failed setup of Receive Queue: " "rc = 0x%x\n", (uint32_t)rc); goto out_destroy; @@ -9306,20 +11364,29 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) phba->sli4_hba.dat_rq->queue_id, phba->sli4_hba.els_cq->queue_id); - if (phba->cfg_fof) { - rc = lpfc_fof_queue_setup(phba); - if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0549 Failed setup of FOF Queues: " - "rc = 0x%x\n", rc); + if (phba->cfg_fcp_imax) + usdelay = LPFC_SEC_TO_USEC / phba->cfg_fcp_imax; + else + usdelay = 0; + + for (qidx = 0; qidx < phba->cfg_irq_chann; + qidx += LPFC_MAX_EQ_DELAY_EQID_CNT) + lpfc_modify_hba_eq_delay(phba, qidx, LPFC_MAX_EQ_DELAY_EQID_CNT, + usdelay); + + if (phba->sli4_hba.cq_max) { + kfree(phba->sli4_hba.cq_lookup); + phba->sli4_hba.cq_lookup = kcalloc((phba->sli4_hba.cq_max + 1), + sizeof(struct lpfc_queue *), GFP_KERNEL); + if (!phba->sli4_hba.cq_lookup) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0549 Failed setup of CQ Lookup table: " + "size 0x%x\n", phba->sli4_hba.cq_max); + rc = -ENOMEM; goto out_destroy; } + lpfc_setup_cq_lookup(phba); } - - for (qidx = 0; qidx < io_channel; qidx += LPFC_MAX_EQ_DELAY_EQID_CNT) - lpfc_modify_hba_eq_delay(phba, qidx, LPFC_MAX_EQ_DELAY_EQID_CNT, - phba->cfg_fcp_imax); - return 0; out_destroy: @@ -9343,12 +11410,10 @@ out_error: void lpfc_sli4_queue_unset(struct lpfc_hba *phba) { + struct lpfc_sli4_hdw_queue *qp; + struct lpfc_queue *eq; int qidx; - /* Unset the queues created for Flash Optimized Fabric operations */ - if (phba->cfg_fof) - lpfc_fof_queue_destroy(phba); - /* Unset mailbox command work queue */ if (phba->sli4_hba.mbx_wq) lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq); @@ -9366,17 +11431,6 @@ lpfc_sli4_queue_unset(struct lpfc_hba *phba) lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq); - /* Unset FCP work queue */ - if (phba->sli4_hba.fcp_wq) - for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) - lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[qidx]); - - /* Unset NVME work queue */ - if (phba->sli4_hba.nvme_wq) { - for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) - lpfc_wq_destroy(phba, phba->sli4_hba.nvme_wq[qidx]); - } - /* Unset mailbox command complete queue */ if (phba->sli4_hba.mbx_cq) lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq); @@ -9389,11 +11443,6 @@ lpfc_sli4_queue_unset(struct lpfc_hba *phba) if (phba->sli4_hba.nvmels_cq) lpfc_cq_destroy(phba, phba->sli4_hba.nvmels_cq); - /* Unset NVME response complete queue */ - if (phba->sli4_hba.nvme_cq) - for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) - lpfc_cq_destroy(phba, phba->sli4_hba.nvme_cq[qidx]); - if (phba->nvmet_support) { /* Unset NVMET MRQ queue */ if (phba->sli4_hba.nvmet_mrq_hdr) { @@ -9412,15 +11461,26 @@ lpfc_sli4_queue_unset(struct lpfc_hba *phba) } } - /* Unset FCP response complete queue */ - if (phba->sli4_hba.fcp_cq) - for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) - lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[qidx]); + /* Unset fast-path SLI4 queues */ + if (phba->sli4_hba.hdwq) { + /* Loop thru all Hardware Queues */ + for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { + /* Destroy the CQ/WQ corresponding to Hardware Queue */ + qp = &phba->sli4_hba.hdwq[qidx]; + lpfc_wq_destroy(phba, qp->io_wq); + lpfc_cq_destroy(phba, qp->io_cq); + } + /* Loop thru all IRQ vectors */ + for (qidx = 0; qidx < phba->cfg_irq_chann; qidx++) { + /* Destroy the EQ corresponding to the IRQ vector */ + eq = phba->sli4_hba.hba_eq_hdl[qidx].eq; + lpfc_eq_destroy(phba, eq); + } + } - /* Unset fast-path event queue */ - if (phba->sli4_hba.hba_eq) - for (qidx = 0; qidx < phba->io_channel_irqs; qidx++) - lpfc_eq_destroy(phba, phba->sli4_hba.hba_eq[qidx]); + kfree(phba->sli4_hba.cq_lookup); + phba->sli4_hba.cq_lookup = NULL; + phba->sli4_hba.cq_max = 0; } /** @@ -9566,26 +11626,28 @@ lpfc_sli4_cq_event_release(struct lpfc_hba *phba, static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba) { - LIST_HEAD(cqelist); - struct lpfc_cq_event *cqe; + LIST_HEAD(cq_event_list); + struct lpfc_cq_event *cq_event; unsigned long iflags; /* Retrieve all the pending WCQEs from pending WCQE lists */ - spin_lock_irqsave(&phba->hbalock, iflags); - /* Pending FCP XRI abort events */ - list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue, - &cqelist); + /* Pending ELS XRI abort events */ + spin_lock_irqsave(&phba->sli4_hba.els_xri_abrt_list_lock, iflags); list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue, - &cqelist); + &cq_event_list); + spin_unlock_irqrestore(&phba->sli4_hba.els_xri_abrt_list_lock, iflags); + /* Pending asynnc events */ + spin_lock_irqsave(&phba->sli4_hba.asynce_list_lock, iflags); list_splice_init(&phba->sli4_hba.sp_asynce_work_queue, - &cqelist); - spin_unlock_irqrestore(&phba->hbalock, iflags); + &cq_event_list); + spin_unlock_irqrestore(&phba->sli4_hba.asynce_list_lock, iflags); - while (!list_empty(&cqelist)) { - list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list); - lpfc_sli4_cq_event_release(phba, cqe); + while (!list_empty(&cq_event_list)) { + list_remove_head(&cq_event_list, cq_event, + struct lpfc_cq_event, list); + lpfc_sli4_cq_event_release(phba, cq_event); } } @@ -9619,7 +11681,7 @@ lpfc_pci_function_reset(struct lpfc_hba *phba) mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!mboxq) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0494 Unable to allocate memory for " "issuing SLI_FUNCTION_RESET mailbox " "command\n"); @@ -9636,10 +11698,9 @@ lpfc_pci_function_reset(struct lpfc_hba *phba) shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); - if (rc != MBX_TIMEOUT) - mempool_free(mboxq, phba->mbox_mem_pool); + mempool_free(mboxq, phba->mbox_mem_pool); if (shdr_status || shdr_add_status || rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0495 SLI_FUNCTION_RESET mailbox " "failed with status x%x add_status x%x," " mbx status x%x\n", @@ -9671,7 +11732,7 @@ wait: phba->sli4_hba.u.if_type2.ERR1regaddr); phba->work_status[1] = readl( phba->sli4_hba.u.if_type2.ERR2regaddr); - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2890 Port not ready, port status reg " "0x%x error 1=0x%x, error 2=0x%x\n", reg_data.word0, @@ -9681,6 +11742,9 @@ wait: goto out; } + if (bf_get(lpfc_sliport_status_pldv, ®_data)) + lpfc_pldv_detect = true; + if (!port_reset) { /* * Reset the port now @@ -9713,7 +11777,7 @@ wait: out: /* Catch the not-ready port failure after a port reset. */ if (rc) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3317 HBA not functional: IP Reset Failed " "try: echo fw_reset > board_mode\n"); rc = -ENODEV; @@ -9738,15 +11802,17 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) { struct pci_dev *pdev = phba->pcidev; unsigned long bar0map_len, bar1map_len, bar2map_len; - int error = -ENODEV; + int error; uint32_t if_type; if (!pdev) - return error; + return -ENODEV; /* Set the device DMA mask size */ - if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) || - dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) + error = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (error) + error = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (error) return error; /* @@ -9755,7 +11821,7 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) */ if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &phba->sli4_hba.sli_intf.word0)) { - return error; + return -ENODEV; } /* There is no SLI3 failback for SLI4 devices. */ @@ -9765,7 +11831,7 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) "2894 SLI_INTF reg contents invalid " "sli_intf reg 0x%x\n", phba->sli4_hba.sli_intf.word0); - return error; + return -ENODEV; } if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); @@ -9789,7 +11855,7 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) dev_printk(KERN_ERR, &pdev->dev, "ioremap failed for SLI4 PCI config " "registers.\n"); - goto out; + return -ENODEV; } phba->pci_bar0_memmap_p = phba->sli4_hba.conf_regs_memmap_p; /* Set up BAR0 PCI config space register memory map */ @@ -9800,7 +11866,7 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) { dev_printk(KERN_ERR, &pdev->dev, "FATAL - No BAR0 mapping for SLI4, if_type 2\n"); - goto out; + return -ENODEV; } phba->sli4_hba.conf_regs_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); @@ -9808,7 +11874,7 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) dev_printk(KERN_ERR, &pdev->dev, "ioremap failed for SLI4 PCI config " "registers.\n"); - goto out; + return -ENODEV; } lpfc_sli4_bar0_register_memmap(phba, if_type); } @@ -9854,6 +11920,7 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) if (!phba->sli4_hba.drbl_regs_memmap_p) { dev_err(&pdev->dev, "ioremap failed for SLI4 HBA doorbell registers.\n"); + error = -ENOMEM; goto out_iounmap_conf; } phba->pci_bar2_memmap_p = phba->sli4_hba.drbl_regs_memmap_p; @@ -9886,7 +11953,7 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) goto out_iounmap_all; } else { error = -ENOMEM; - goto out_iounmap_all; + goto out_iounmap_ctrl; } } @@ -9903,7 +11970,8 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) if (!phba->sli4_hba.dpp_regs_memmap_p) { dev_err(&pdev->dev, "ioremap failed for SLI4 HBA dpp registers.\n"); - goto out_iounmap_ctrl; + error = -ENOMEM; + goto out_iounmap_all; } phba->pci_bar4_memmap_p = phba->sli4_hba.dpp_regs_memmap_p; } @@ -9913,13 +11981,13 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) case LPFC_SLI_INTF_IF_TYPE_0: case LPFC_SLI_INTF_IF_TYPE_2: phba->sli4_hba.sli4_eq_clr_intr = lpfc_sli4_eq_clr_intr; - phba->sli4_hba.sli4_eq_release = lpfc_sli4_eq_release; - phba->sli4_hba.sli4_cq_release = lpfc_sli4_cq_release; + phba->sli4_hba.sli4_write_eq_db = lpfc_sli4_write_eq_db; + phba->sli4_hba.sli4_write_cq_db = lpfc_sli4_write_cq_db; break; case LPFC_SLI_INTF_IF_TYPE_6: phba->sli4_hba.sli4_eq_clr_intr = lpfc_sli4_if6_eq_clr_intr; - phba->sli4_hba.sli4_eq_release = lpfc_sli4_if6_eq_release; - phba->sli4_hba.sli4_cq_release = lpfc_sli4_if6_cq_release; + phba->sli4_hba.sli4_write_eq_db = lpfc_sli4_if6_write_eq_db; + phba->sli4_hba.sli4_write_cq_db = lpfc_sli4_if6_write_cq_db; break; default: break; @@ -9928,12 +11996,14 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba) return 0; out_iounmap_all: - iounmap(phba->sli4_hba.drbl_regs_memmap_p); + if (phba->sli4_hba.drbl_regs_memmap_p) + iounmap(phba->sli4_hba.drbl_regs_memmap_p); out_iounmap_ctrl: - iounmap(phba->sli4_hba.ctrl_regs_memmap_p); + if (phba->sli4_hba.ctrl_regs_memmap_p) + iounmap(phba->sli4_hba.ctrl_regs_memmap_p); out_iounmap_conf: iounmap(phba->sli4_hba.conf_regs_memmap_p); -out: + return error; } @@ -9962,8 +12032,11 @@ lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba) case LPFC_SLI_INTF_IF_TYPE_6: iounmap(phba->sli4_hba.drbl_regs_memmap_p); iounmap(phba->sli4_hba.conf_regs_memmap_p); + if (phba->sli4_hba.dpp_regs_memmap_p) + iounmap(phba->sli4_hba.dpp_regs_memmap_p); break; case LPFC_SLI_INTF_IF_TYPE_1: + break; default: dev_printk(KERN_ERR, &phba->pcidev->dev, "FATAL - unsupported SLI4 interface type - %d\n", @@ -10032,7 +12105,7 @@ lpfc_sli_enable_msix(struct lpfc_hba *phba) if (!pmb) { rc = -ENOMEM; - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0474 Unable to allocate memory for issuing " "MBOX_CONFIG_MSI command\n"); goto mem_fail_out; @@ -10095,7 +12168,7 @@ lpfc_sli_enable_msi(struct lpfc_hba *phba) rc = pci_enable_msi(phba->pcidev); if (!rc) lpfc_printf_log(phba, KERN_INFO, LOG_INIT, - "0462 PCI enable MSI mode success.\n"); + "0012 PCI enable MSI mode success.\n"); else { lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0471 PCI enable MSI mode failed (%d)\n", rc); @@ -10115,6 +12188,7 @@ lpfc_sli_enable_msi(struct lpfc_hba *phba) /** * lpfc_sli_enable_intr - Enable device interrupt to SLI-3 device. * @phba: pointer to lpfc hba data structure. + * @cfg_mode: Interrupt configuration mode (INTx, MSI or MSI-X). * * This routine is invoked to enable device interrupt and associate driver's * interrupt handler(s) to interrupt vector(s) to device with SLI-3 interface @@ -10134,17 +12208,19 @@ lpfc_sli_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) uint32_t intr_mode = LPFC_INTR_ERROR; int retval; + /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ + retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3); + if (retval) + return intr_mode; + clear_bit(HBA_NEEDS_CFG_PORT, &phba->hba_flag); + if (cfg_mode == 2) { - /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ - retval = lpfc_sli_config_port(phba, LPFC_SLI_REV3); + /* Now, try to enable MSI-X interrupt mode */ + retval = lpfc_sli_enable_msix(phba); if (!retval) { - /* Now, try to enable MSI-X interrupt mode */ - retval = lpfc_sli_enable_msix(phba); - if (!retval) { - /* Indicate initialization to MSI-X mode */ - phba->intr_type = MSIX; - intr_mode = 2; - } + /* Indicate initialization to MSI-X mode */ + phba->intr_type = MSIX; + intr_mode = 2; } } @@ -10200,65 +12276,694 @@ lpfc_sli_disable_intr(struct lpfc_hba *phba) } /** + * lpfc_find_cpu_handle - Find the CPU that corresponds to the specified Queue + * @phba: pointer to lpfc hba data structure. + * @id: EQ vector index or Hardware Queue index + * @match: LPFC_FIND_BY_EQ = match by EQ + * LPFC_FIND_BY_HDWQ = match by Hardware Queue + * Return the CPU that matches the selection criteria + */ +static uint16_t +lpfc_find_cpu_handle(struct lpfc_hba *phba, uint16_t id, int match) +{ + struct lpfc_vector_map_info *cpup; + int cpu; + + /* Loop through all CPUs */ + for_each_present_cpu(cpu) { + cpup = &phba->sli4_hba.cpu_map[cpu]; + + /* If we are matching by EQ, there may be multiple CPUs using + * using the same vector, so select the one with + * LPFC_CPU_FIRST_IRQ set. + */ + if ((match == LPFC_FIND_BY_EQ) && + (cpup->flag & LPFC_CPU_FIRST_IRQ) && + (cpup->eq == id)) + return cpu; + + /* If matching by HDWQ, select the first CPU that matches */ + if ((match == LPFC_FIND_BY_HDWQ) && (cpup->hdwq == id)) + return cpu; + } + return 0; +} + +#ifdef CONFIG_X86 +/** + * lpfc_find_hyper - Determine if the CPU map entry is hyper-threaded + * @phba: pointer to lpfc hba data structure. + * @cpu: CPU map index + * @phys_id: CPU package physical id + * @core_id: CPU core id + */ +static int +lpfc_find_hyper(struct lpfc_hba *phba, int cpu, + uint16_t phys_id, uint16_t core_id) +{ + struct lpfc_vector_map_info *cpup; + int idx; + + for_each_present_cpu(idx) { + cpup = &phba->sli4_hba.cpu_map[idx]; + /* Does the cpup match the one we are looking for */ + if ((cpup->phys_id == phys_id) && + (cpup->core_id == core_id) && + (cpu != idx)) + return 1; + } + return 0; +} +#endif + +/* + * lpfc_assign_eq_map_info - Assigns eq for vector_map structure + * @phba: pointer to lpfc hba data structure. + * @eqidx: index for eq and irq vector + * @flag: flags to set for vector_map structure + * @cpu: cpu used to index vector_map structure + * + * The routine assigns eq info into vector_map structure + */ +static inline void +lpfc_assign_eq_map_info(struct lpfc_hba *phba, uint16_t eqidx, uint16_t flag, + unsigned int cpu) +{ + struct lpfc_vector_map_info *cpup = &phba->sli4_hba.cpu_map[cpu]; + struct lpfc_hba_eq_hdl *eqhdl = lpfc_get_eq_hdl(eqidx); + + cpup->eq = eqidx; + cpup->flag |= flag; + + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "3336 Set Affinity: CPU %d irq %d eq %d flag x%x\n", + cpu, eqhdl->irq, cpup->eq, cpup->flag); +} + +/** + * lpfc_cpu_map_array_init - Initialize cpu_map structure + * @phba: pointer to lpfc hba data structure. + * + * The routine initializes the cpu_map array structure + */ +static void +lpfc_cpu_map_array_init(struct lpfc_hba *phba) +{ + struct lpfc_vector_map_info *cpup; + struct lpfc_eq_intr_info *eqi; + int cpu; + + for_each_possible_cpu(cpu) { + cpup = &phba->sli4_hba.cpu_map[cpu]; + cpup->phys_id = LPFC_VECTOR_MAP_EMPTY; + cpup->core_id = LPFC_VECTOR_MAP_EMPTY; + cpup->hdwq = LPFC_VECTOR_MAP_EMPTY; + cpup->eq = LPFC_VECTOR_MAP_EMPTY; + cpup->flag = 0; + eqi = per_cpu_ptr(phba->sli4_hba.eq_info, cpu); + INIT_LIST_HEAD(&eqi->list); + eqi->icnt = 0; + } +} + +/** + * lpfc_hba_eq_hdl_array_init - Initialize hba_eq_hdl structure + * @phba: pointer to lpfc hba data structure. + * + * The routine initializes the hba_eq_hdl array structure + */ +static void +lpfc_hba_eq_hdl_array_init(struct lpfc_hba *phba) +{ + struct lpfc_hba_eq_hdl *eqhdl; + int i; + + for (i = 0; i < phba->cfg_irq_chann; i++) { + eqhdl = lpfc_get_eq_hdl(i); + eqhdl->irq = LPFC_IRQ_EMPTY; + eqhdl->phba = phba; + } +} + +/** * lpfc_cpu_affinity_check - Check vector CPU affinity mappings * @phba: pointer to lpfc hba data structure. * @vectors: number of msix vectors allocated. * * The routine will figure out the CPU affinity assignment for every - * MSI-X vector allocated for the HBA. The hba_eq_hdl will be updated - * with a pointer to the CPU mask that defines ALL the CPUs this vector - * can be associated with. If the vector can be unquely associated with - * a single CPU, that CPU will be recorded in hba_eq_hdl[index].cpu. + * MSI-X vector allocated for the HBA. * In addition, the CPU to IO channel mapping will be calculated * and the phba->sli4_hba.cpu_map array will reflect this. */ static void lpfc_cpu_affinity_check(struct lpfc_hba *phba, int vectors) { + int i, cpu, idx, next_idx, new_cpu, start_cpu, first_cpu; + int max_phys_id, min_phys_id; + int max_core_id, min_core_id; struct lpfc_vector_map_info *cpup; - int index = 0; - int vec = 0; - int cpu; -#ifdef CONFIG_X86 - struct cpuinfo_x86 *cpuinfo; + struct lpfc_vector_map_info *new_cpup; +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + struct lpfc_hdwq_stat *c_stat; #endif - /* Init cpu_map array */ - memset(phba->sli4_hba.cpu_map, 0xff, - (sizeof(struct lpfc_vector_map_info) * - phba->sli4_hba.num_present_cpu)); + max_phys_id = 0; + min_phys_id = LPFC_VECTOR_MAP_EMPTY; + max_core_id = 0; + min_core_id = LPFC_VECTOR_MAP_EMPTY; /* Update CPU map with physical id and core id of each CPU */ - cpup = phba->sli4_hba.cpu_map; - for (cpu = 0; cpu < phba->sli4_hba.num_present_cpu; cpu++) { + for_each_present_cpu(cpu) { + cpup = &phba->sli4_hba.cpu_map[cpu]; #ifdef CONFIG_X86 - cpuinfo = &cpu_data(cpu); - cpup->phys_id = cpuinfo->phys_proc_id; - cpup->core_id = cpuinfo->cpu_core_id; + cpup->phys_id = topology_physical_package_id(cpu); + cpup->core_id = topology_core_id(cpu); + if (lpfc_find_hyper(phba, cpu, cpup->phys_id, cpup->core_id)) + cpup->flag |= LPFC_CPU_MAP_HYPER; #else /* No distinction between CPUs for other platforms */ cpup->phys_id = 0; - cpup->core_id = 0; + cpup->core_id = cpu; #endif - cpup->channel_id = index; /* For now round robin */ - cpup->irq = pci_irq_vector(phba->pcidev, vec); - vec++; - if (vec >= vectors) - vec = 0; - index++; - if (index >= phba->cfg_fcp_io_channel) - index = 0; - cpup++; + + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "3328 CPU %d physid %d coreid %d flag x%x\n", + cpu, cpup->phys_id, cpup->core_id, cpup->flag); + + if (cpup->phys_id > max_phys_id) + max_phys_id = cpup->phys_id; + if (cpup->phys_id < min_phys_id) + min_phys_id = cpup->phys_id; + + if (cpup->core_id > max_core_id) + max_core_id = cpup->core_id; + if (cpup->core_id < min_core_id) + min_core_id = cpup->core_id; + } + + /* After looking at each irq vector assigned to this pcidev, its + * possible to see that not ALL CPUs have been accounted for. + * Next we will set any unassigned (unaffinitized) cpu map + * entries to a IRQ on the same phys_id. + */ + first_cpu = cpumask_first(cpu_present_mask); + start_cpu = first_cpu; + + for_each_present_cpu(cpu) { + cpup = &phba->sli4_hba.cpu_map[cpu]; + + /* Is this CPU entry unassigned */ + if (cpup->eq == LPFC_VECTOR_MAP_EMPTY) { + /* Mark CPU as IRQ not assigned by the kernel */ + cpup->flag |= LPFC_CPU_MAP_UNASSIGN; + + /* If so, find a new_cpup that is on the SAME + * phys_id as cpup. start_cpu will start where we + * left off so all unassigned entries don't get assgined + * the IRQ of the first entry. + */ + new_cpu = start_cpu; + for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { + new_cpup = &phba->sli4_hba.cpu_map[new_cpu]; + if (!(new_cpup->flag & LPFC_CPU_MAP_UNASSIGN) && + (new_cpup->eq != LPFC_VECTOR_MAP_EMPTY) && + (new_cpup->phys_id == cpup->phys_id)) + goto found_same; + new_cpu = lpfc_next_present_cpu(new_cpu); + } + /* At this point, we leave the CPU as unassigned */ + continue; +found_same: + /* We found a matching phys_id, so copy the IRQ info */ + cpup->eq = new_cpup->eq; + + /* Bump start_cpu to the next slot to minmize the + * chance of having multiple unassigned CPU entries + * selecting the same IRQ. + */ + start_cpu = lpfc_next_present_cpu(new_cpu); + + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "3337 Set Affinity: CPU %d " + "eq %d from peer cpu %d same " + "phys_id (%d)\n", + cpu, cpup->eq, new_cpu, + cpup->phys_id); + } + } + + /* Set any unassigned cpu map entries to a IRQ on any phys_id */ + start_cpu = first_cpu; + + for_each_present_cpu(cpu) { + cpup = &phba->sli4_hba.cpu_map[cpu]; + + /* Is this entry unassigned */ + if (cpup->eq == LPFC_VECTOR_MAP_EMPTY) { + /* Mark it as IRQ not assigned by the kernel */ + cpup->flag |= LPFC_CPU_MAP_UNASSIGN; + + /* If so, find a new_cpup thats on ANY phys_id + * as the cpup. start_cpu will start where we + * left off so all unassigned entries don't get + * assigned the IRQ of the first entry. + */ + new_cpu = start_cpu; + for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { + new_cpup = &phba->sli4_hba.cpu_map[new_cpu]; + if (!(new_cpup->flag & LPFC_CPU_MAP_UNASSIGN) && + (new_cpup->eq != LPFC_VECTOR_MAP_EMPTY)) + goto found_any; + new_cpu = lpfc_next_present_cpu(new_cpu); + } + /* We should never leave an entry unassigned */ + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "3339 Set Affinity: CPU %d " + "eq %d UNASSIGNED\n", + cpup->hdwq, cpup->eq); + continue; +found_any: + /* We found an available entry, copy the IRQ info */ + cpup->eq = new_cpup->eq; + + /* Bump start_cpu to the next slot to minmize the + * chance of having multiple unassigned CPU entries + * selecting the same IRQ. + */ + start_cpu = lpfc_next_present_cpu(new_cpu); + + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "3338 Set Affinity: CPU %d " + "eq %d from peer cpu %d (%d/%d)\n", + cpu, cpup->eq, new_cpu, + new_cpup->phys_id, new_cpup->core_id); + } + } + + /* Assign hdwq indices that are unique across all cpus in the map + * that are also FIRST_CPUs. + */ + idx = 0; + for_each_present_cpu(cpu) { + cpup = &phba->sli4_hba.cpu_map[cpu]; + + /* Only FIRST IRQs get a hdwq index assignment. */ + if (!(cpup->flag & LPFC_CPU_FIRST_IRQ)) + continue; + + /* 1 to 1, the first LPFC_CPU_FIRST_IRQ cpus to a unique hdwq */ + cpup->hdwq = idx; + idx++; + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "3333 Set Affinity: CPU %d (phys %d core %d): " + "hdwq %d eq %d flg x%x\n", + cpu, cpup->phys_id, cpup->core_id, + cpup->hdwq, cpup->eq, cpup->flag); + } + /* Associate a hdwq with each cpu_map entry + * This will be 1 to 1 - hdwq to cpu, unless there are less + * hardware queues then CPUs. For that case we will just round-robin + * the available hardware queues as they get assigned to CPUs. + * The next_idx is the idx from the FIRST_CPU loop above to account + * for irq_chann < hdwq. The idx is used for round-robin assignments + * and needs to start at 0. + */ + next_idx = idx; + start_cpu = 0; + idx = 0; + for_each_present_cpu(cpu) { + cpup = &phba->sli4_hba.cpu_map[cpu]; + + /* FIRST cpus are already mapped. */ + if (cpup->flag & LPFC_CPU_FIRST_IRQ) + continue; + + /* If the cfg_irq_chann < cfg_hdw_queue, set the hdwq + * of the unassigned cpus to the next idx so that all + * hdw queues are fully utilized. + */ + if (next_idx < phba->cfg_hdw_queue) { + cpup->hdwq = next_idx; + next_idx++; + continue; + } + + /* Not a First CPU and all hdw_queues are used. Reuse a + * Hardware Queue for another CPU, so be smart about it + * and pick one that has its IRQ/EQ mapped to the same phys_id + * (CPU package) and core_id. + */ + new_cpu = start_cpu; + for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { + new_cpup = &phba->sli4_hba.cpu_map[new_cpu]; + if (new_cpup->hdwq != LPFC_VECTOR_MAP_EMPTY && + new_cpup->phys_id == cpup->phys_id && + new_cpup->core_id == cpup->core_id) { + goto found_hdwq; + } + new_cpu = lpfc_next_present_cpu(new_cpu); + } + + /* If we can't match both phys_id and core_id, + * settle for just a phys_id match. + */ + new_cpu = start_cpu; + for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { + new_cpup = &phba->sli4_hba.cpu_map[new_cpu]; + if (new_cpup->hdwq != LPFC_VECTOR_MAP_EMPTY && + new_cpup->phys_id == cpup->phys_id) + goto found_hdwq; + new_cpu = lpfc_next_present_cpu(new_cpu); + } + + /* Otherwise just round robin on cfg_hdw_queue */ + cpup->hdwq = idx % phba->cfg_hdw_queue; + idx++; + goto logit; + found_hdwq: + /* We found an available entry, copy the IRQ info */ + start_cpu = lpfc_next_present_cpu(new_cpu); + cpup->hdwq = new_cpup->hdwq; + logit: + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "3335 Set Affinity: CPU %d (phys %d core %d): " + "hdwq %d eq %d flg x%x\n", + cpu, cpup->phys_id, cpup->core_id, + cpup->hdwq, cpup->eq, cpup->flag); + } + + /* + * Initialize the cpu_map slots for not-present cpus in case + * a cpu is hot-added. Perform a simple hdwq round robin assignment. + */ + idx = 0; + for_each_possible_cpu(cpu) { + cpup = &phba->sli4_hba.cpu_map[cpu]; +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + c_stat = per_cpu_ptr(phba->sli4_hba.c_stat, cpu); + c_stat->hdwq_no = cpup->hdwq; +#endif + if (cpup->hdwq != LPFC_VECTOR_MAP_EMPTY) + continue; + + cpup->hdwq = idx++ % phba->cfg_hdw_queue; +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + c_stat->hdwq_no = cpup->hdwq; +#endif + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "3340 Set Affinity: not present " + "CPU %d hdwq %d\n", + cpu, cpup->hdwq); + } + + /* The cpu_map array will be used later during initialization + * when EQ / CQ / WQs are allocated and configured. + */ + return; +} + +/** + * lpfc_cpuhp_get_eq + * + * @phba: pointer to lpfc hba data structure. + * @cpu: cpu going offline + * @eqlist: eq list to append to + */ +static int +lpfc_cpuhp_get_eq(struct lpfc_hba *phba, unsigned int cpu, + struct list_head *eqlist) +{ + const struct cpumask *maskp; + struct lpfc_queue *eq; + struct cpumask *tmp; + u16 idx; + + tmp = kzalloc(cpumask_size(), GFP_KERNEL); + if (!tmp) + return -ENOMEM; + + for (idx = 0; idx < phba->cfg_irq_chann; idx++) { + maskp = pci_irq_get_affinity(phba->pcidev, idx); + if (!maskp) + continue; + /* + * if irq is not affinitized to the cpu going + * then we don't need to poll the eq attached + * to it. + */ + if (!cpumask_and(tmp, maskp, cpumask_of(cpu))) + continue; + /* get the cpus that are online and are affini- + * tized to this irq vector. If the count is + * more than 1 then cpuhp is not going to shut- + * down this vector. Since this cpu has not + * gone offline yet, we need >1. + */ + cpumask_and(tmp, maskp, cpu_online_mask); + if (cpumask_weight(tmp) > 1) + continue; + + /* Now that we have an irq to shutdown, get the eq + * mapped to this irq. Note: multiple hdwq's in + * the software can share an eq, but eventually + * only eq will be mapped to this vector + */ + eq = phba->sli4_hba.hba_eq_hdl[idx].eq; + list_add(&eq->_poll_list, eqlist); + } + kfree(tmp); + return 0; +} + +static void __lpfc_cpuhp_remove(struct lpfc_hba *phba) +{ + if (phba->sli_rev != LPFC_SLI_REV4) + return; + + cpuhp_state_remove_instance_nocalls(lpfc_cpuhp_state, + &phba->cpuhp); + /* + * unregistering the instance doesn't stop the polling + * timer. Wait for the poll timer to retire. + */ + synchronize_rcu(); + timer_delete_sync(&phba->cpuhp_poll_timer); +} + +static void lpfc_cpuhp_remove(struct lpfc_hba *phba) +{ + if (phba->pport && + test_bit(FC_OFFLINE_MODE, &phba->pport->fc_flag)) + return; + + __lpfc_cpuhp_remove(phba); +} + +static void lpfc_cpuhp_add(struct lpfc_hba *phba) +{ + if (phba->sli_rev != LPFC_SLI_REV4) + return; + + rcu_read_lock(); + + if (!list_empty(&phba->poll_list)) + mod_timer(&phba->cpuhp_poll_timer, + jiffies + msecs_to_jiffies(LPFC_POLL_HB)); + + rcu_read_unlock(); + + cpuhp_state_add_instance_nocalls(lpfc_cpuhp_state, + &phba->cpuhp); +} + +static int __lpfc_cpuhp_checks(struct lpfc_hba *phba, int *retval) +{ + if (test_bit(FC_UNLOADING, &phba->pport->load_flag)) { + *retval = -EAGAIN; + return true; + } + + if (phba->sli_rev != LPFC_SLI_REV4) { + *retval = 0; + return true; + } + + /* proceed with the hotplug */ + return false; +} + +/** + * lpfc_irq_set_aff - set IRQ affinity + * @eqhdl: EQ handle + * @cpu: cpu to set affinity + * + **/ +static inline void +lpfc_irq_set_aff(struct lpfc_hba_eq_hdl *eqhdl, unsigned int cpu) +{ + cpumask_clear(&eqhdl->aff_mask); + cpumask_set_cpu(cpu, &eqhdl->aff_mask); + irq_set_status_flags(eqhdl->irq, IRQ_NO_BALANCING); + irq_set_affinity(eqhdl->irq, &eqhdl->aff_mask); +} + +/** + * lpfc_irq_clear_aff - clear IRQ affinity + * @eqhdl: EQ handle + * + **/ +static inline void +lpfc_irq_clear_aff(struct lpfc_hba_eq_hdl *eqhdl) +{ + cpumask_clear(&eqhdl->aff_mask); + irq_clear_status_flags(eqhdl->irq, IRQ_NO_BALANCING); +} + +/** + * lpfc_irq_rebalance - rebalances IRQ affinity according to cpuhp event + * @phba: pointer to HBA context object. + * @cpu: cpu going offline/online + * @offline: true, cpu is going offline. false, cpu is coming online. + * + * If cpu is going offline, we'll try our best effort to find the next + * online cpu on the phba's original_mask and migrate all offlining IRQ + * affinities. + * + * If cpu is coming online, reaffinitize the IRQ back to the onlining cpu. + * + * Note: Call only if NUMA or NHT mode is enabled, otherwise rely on + * PCI_IRQ_AFFINITY to auto-manage IRQ affinity. + * + **/ +static void +lpfc_irq_rebalance(struct lpfc_hba *phba, unsigned int cpu, bool offline) +{ + struct lpfc_vector_map_info *cpup; + struct cpumask *aff_mask; + unsigned int cpu_select, cpu_next, idx; + const struct cpumask *orig_mask; + + if (phba->irq_chann_mode == NORMAL_MODE) + return; + + orig_mask = &phba->sli4_hba.irq_aff_mask; + + if (!cpumask_test_cpu(cpu, orig_mask)) + return; + + cpup = &phba->sli4_hba.cpu_map[cpu]; + + if (!(cpup->flag & LPFC_CPU_FIRST_IRQ)) + return; + + if (offline) { + /* Find next online CPU on original mask */ + cpu_next = cpumask_next_wrap(cpu, orig_mask); + cpu_select = lpfc_next_online_cpu(orig_mask, cpu_next); + + /* Found a valid CPU */ + if ((cpu_select < nr_cpu_ids) && (cpu_select != cpu)) { + /* Go through each eqhdl and ensure offlining + * cpu aff_mask is migrated + */ + for (idx = 0; idx < phba->cfg_irq_chann; idx++) { + aff_mask = lpfc_get_aff_mask(idx); + + /* Migrate affinity */ + if (cpumask_test_cpu(cpu, aff_mask)) + lpfc_irq_set_aff(lpfc_get_eq_hdl(idx), + cpu_select); + } + } else { + /* Rely on irqbalance if no online CPUs left on NUMA */ + for (idx = 0; idx < phba->cfg_irq_chann; idx++) + lpfc_irq_clear_aff(lpfc_get_eq_hdl(idx)); + } + } else { + /* Migrate affinity back to this CPU */ + lpfc_irq_set_aff(lpfc_get_eq_hdl(cpup->eq), cpu); + } +} + +static int lpfc_cpu_offline(unsigned int cpu, struct hlist_node *node) +{ + struct lpfc_hba *phba = hlist_entry_safe(node, struct lpfc_hba, cpuhp); + struct lpfc_queue *eq, *next; + LIST_HEAD(eqlist); + int retval; + + if (!phba) { + WARN_ONCE(!phba, "cpu: %u. phba:NULL", raw_smp_processor_id()); + return 0; + } + + if (__lpfc_cpuhp_checks(phba, &retval)) + return retval; + + lpfc_irq_rebalance(phba, cpu, true); + + retval = lpfc_cpuhp_get_eq(phba, cpu, &eqlist); + if (retval) + return retval; + + /* start polling on these eq's */ + list_for_each_entry_safe(eq, next, &eqlist, _poll_list) { + list_del_init(&eq->_poll_list); + lpfc_sli4_start_polling(eq); } + + return 0; } +static int lpfc_cpu_online(unsigned int cpu, struct hlist_node *node) +{ + struct lpfc_hba *phba = hlist_entry_safe(node, struct lpfc_hba, cpuhp); + struct lpfc_queue *eq, *next; + unsigned int n; + int retval; + + if (!phba) { + WARN_ONCE(!phba, "cpu: %u. phba:NULL", raw_smp_processor_id()); + return 0; + } + + if (__lpfc_cpuhp_checks(phba, &retval)) + return retval; + + lpfc_irq_rebalance(phba, cpu, false); + + list_for_each_entry_safe(eq, next, &phba->poll_list, _poll_list) { + n = lpfc_find_cpu_handle(phba, eq->hdwq, LPFC_FIND_BY_HDWQ); + if (n == cpu) + lpfc_sli4_stop_polling(eq); + } + + return 0; +} /** * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device * @phba: pointer to lpfc hba data structure. * * This routine is invoked to enable the MSI-X interrupt vectors to device - * with SLI-4 interface spec. + * with SLI-4 interface spec. It also allocates MSI-X vectors and maps them + * to cpus on the system. + * + * When cfg_irq_numa is enabled, the adapter will only allocate vectors for + * the number of cpus on the same numa node as this adapter. The vectors are + * allocated without requesting OS affinity mapping. A vector will be + * allocated and assigned to each online and offline cpu. If the cpu is + * online, then affinity will be set to that cpu. If the cpu is offline, then + * affinity will be set to the nearest peer cpu within the numa node that is + * online. If there are no online cpus within the numa node, affinity is not + * assigned and the OS may do as it pleases. Note: cpu vector affinity mapping + * is consistent with the way cpu online/offline is handled when cfg_irq_numa is + * configured. + * + * If numa mode is not enabled and there is more than 1 vector allocated, then + * the driver relies on the managed irq interface where the OS assigns vector to + * cpu affinity. The driver will then use that affinity mapping to setup its + * cpu mapping table. * * Return codes * 0 - successful @@ -10269,15 +12974,33 @@ lpfc_sli4_enable_msix(struct lpfc_hba *phba) { int vectors, rc, index; char *name; + const struct cpumask *aff_mask = NULL; + unsigned int cpu = 0, cpu_cnt = 0, cpu_select = nr_cpu_ids; + struct lpfc_vector_map_info *cpup; + struct lpfc_hba_eq_hdl *eqhdl; + const struct cpumask *maskp; + unsigned int flags = PCI_IRQ_MSIX; /* Set up MSI-X multi-message vectors */ - vectors = phba->io_channel_irqs; - if (phba->cfg_fof) - vectors++; + vectors = phba->cfg_irq_chann; - rc = pci_alloc_irq_vectors(phba->pcidev, - (phba->nvmet_support) ? 1 : 2, - vectors, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY); + if (phba->irq_chann_mode != NORMAL_MODE) + aff_mask = &phba->sli4_hba.irq_aff_mask; + + if (aff_mask) { + cpu_cnt = cpumask_weight(aff_mask); + vectors = min(phba->cfg_irq_chann, cpu_cnt); + + /* cpu: iterates over aff_mask including offline or online + * cpu_select: iterates over online aff_mask to set affinity + */ + cpu = cpumask_first(aff_mask); + cpu_select = lpfc_next_online_cpu(aff_mask, cpu); + } else { + flags |= PCI_IRQ_AFFINITY; + } + + rc = pci_alloc_irq_vectors(phba->pcidev, 1, vectors, flags); if (rc < 0) { lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0484 PCI enable MSI-X failed (%d)\n", rc); @@ -10287,58 +13010,99 @@ lpfc_sli4_enable_msix(struct lpfc_hba *phba) /* Assign MSI-X vectors to interrupt handlers */ for (index = 0; index < vectors; index++) { - name = phba->sli4_hba.hba_eq_hdl[index].handler_name; + eqhdl = lpfc_get_eq_hdl(index); + name = eqhdl->handler_name; memset(name, 0, LPFC_SLI4_HANDLER_NAME_SZ); snprintf(name, LPFC_SLI4_HANDLER_NAME_SZ, LPFC_DRIVER_HANDLER_NAME"%d", index); - phba->sli4_hba.hba_eq_hdl[index].idx = index; - phba->sli4_hba.hba_eq_hdl[index].phba = phba; - atomic_set(&phba->sli4_hba.hba_eq_hdl[index].hba_eq_in_use, 1); - if (phba->cfg_fof && (index == (vectors - 1))) - rc = request_irq(pci_irq_vector(phba->pcidev, index), - &lpfc_sli4_fof_intr_handler, 0, - name, - &phba->sli4_hba.hba_eq_hdl[index]); - else - rc = request_irq(pci_irq_vector(phba->pcidev, index), - &lpfc_sli4_hba_intr_handler, 0, - name, - &phba->sli4_hba.hba_eq_hdl[index]); + eqhdl->idx = index; + rc = pci_irq_vector(phba->pcidev, index); + if (rc < 0) { + lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, + "0489 MSI-X fast-path (%d) " + "pci_irq_vec failed (%d)\n", index, rc); + goto cfg_fail_out; + } + eqhdl->irq = rc; + + rc = request_threaded_irq(eqhdl->irq, + &lpfc_sli4_hba_intr_handler, + &lpfc_sli4_hba_intr_handler_th, + 0, name, eqhdl); if (rc) { lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, "0486 MSI-X fast-path (%d) " "request_irq failed (%d)\n", index, rc); goto cfg_fail_out; } - } - if (phba->cfg_fof) - vectors--; + if (aff_mask) { + /* If found a neighboring online cpu, set affinity */ + if (cpu_select < nr_cpu_ids) + lpfc_irq_set_aff(eqhdl, cpu_select); - if (vectors != phba->io_channel_irqs) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + /* Assign EQ to cpu_map */ + lpfc_assign_eq_map_info(phba, index, + LPFC_CPU_FIRST_IRQ, + cpu); + + /* Iterate to next offline or online cpu in aff_mask */ + cpu = cpumask_next(cpu, aff_mask); + + /* Find next online cpu in aff_mask to set affinity */ + cpu_select = lpfc_next_online_cpu(aff_mask, cpu); + } else if (vectors == 1) { + cpu = cpumask_first(cpu_present_mask); + lpfc_assign_eq_map_info(phba, index, LPFC_CPU_FIRST_IRQ, + cpu); + } else { + maskp = pci_irq_get_affinity(phba->pcidev, index); + + /* Loop through all CPUs associated with vector index */ + for_each_cpu_and(cpu, maskp, cpu_present_mask) { + cpup = &phba->sli4_hba.cpu_map[cpu]; + + /* If this is the first CPU thats assigned to + * this vector, set LPFC_CPU_FIRST_IRQ. + * + * With certain platforms its possible that irq + * vectors are affinitized to all the cpu's. + * This can result in each cpu_map.eq to be set + * to the last vector, resulting in overwrite + * of all the previous cpu_map.eq. Ensure that + * each vector receives a place in cpu_map. + * Later call to lpfc_cpu_affinity_check will + * ensure we are nicely balanced out. + */ + if (cpup->eq != LPFC_VECTOR_MAP_EMPTY) + continue; + lpfc_assign_eq_map_info(phba, index, + LPFC_CPU_FIRST_IRQ, + cpu); + break; + } + } + } + + if (vectors != phba->cfg_irq_chann) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3238 Reducing IO channels to match number of " "MSI-X vectors, requested %d got %d\n", - phba->io_channel_irqs, vectors); - if (phba->cfg_fcp_io_channel > vectors) - phba->cfg_fcp_io_channel = vectors; - if (phba->cfg_nvme_io_channel > vectors) - phba->cfg_nvme_io_channel = vectors; - if (phba->cfg_fcp_io_channel > phba->cfg_nvme_io_channel) - phba->io_channel_irqs = phba->cfg_fcp_io_channel; - else - phba->io_channel_irqs = phba->cfg_nvme_io_channel; + phba->cfg_irq_chann, vectors); + if (phba->cfg_irq_chann > vectors) + phba->cfg_irq_chann = vectors; } - lpfc_cpu_affinity_check(phba, vectors); return rc; cfg_fail_out: /* free the irq already requested */ - for (--index; index >= 0; index--) - free_irq(pci_irq_vector(phba->pcidev, index), - &phba->sli4_hba.hba_eq_hdl[index]); + for (--index; index >= 0; index--) { + eqhdl = lpfc_get_eq_hdl(index); + lpfc_irq_clear_aff(eqhdl); + free_irq(eqhdl->irq, eqhdl); + } /* Unconfigure MSI-X capability structure */ pci_free_irq_vectors(phba->pcidev); @@ -10352,10 +13116,10 @@ vec_fail_out: * @phba: pointer to lpfc hba data structure. * * This routine is invoked to enable the MSI interrupt mode to device with - * SLI-4 interface spec. The kernel function pci_enable_msi() is called - * to enable the MSI vector. The device driver is responsible for calling - * the request_irq() to register MSI vector with a interrupt the handler, - * which is done in this function. + * SLI-4 interface spec. The kernel function pci_alloc_irq_vectors() is + * called to enable the MSI vector. The device driver is responsible for + * calling the request_irq() to register MSI vector with a interrupt the + * handler, which is done in this function. * * Return codes * 0 - successful @@ -10365,41 +13129,55 @@ static int lpfc_sli4_enable_msi(struct lpfc_hba *phba) { int rc, index; + unsigned int cpu; + struct lpfc_hba_eq_hdl *eqhdl; - rc = pci_enable_msi(phba->pcidev); - if (!rc) + rc = pci_alloc_irq_vectors(phba->pcidev, 1, 1, + PCI_IRQ_MSI | PCI_IRQ_AFFINITY); + if (rc > 0) lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0487 PCI enable MSI mode success.\n"); else { lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0488 PCI enable MSI mode failed (%d)\n", rc); - return rc; + return rc ? rc : -1; } rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler, 0, LPFC_DRIVER_NAME, phba); if (rc) { - pci_disable_msi(phba->pcidev); + pci_free_irq_vectors(phba->pcidev); lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, "0490 MSI request_irq failed (%d)\n", rc); return rc; } - for (index = 0; index < phba->io_channel_irqs; index++) { - phba->sli4_hba.hba_eq_hdl[index].idx = index; - phba->sli4_hba.hba_eq_hdl[index].phba = phba; + eqhdl = lpfc_get_eq_hdl(0); + rc = pci_irq_vector(phba->pcidev, 0); + if (rc < 0) { + free_irq(phba->pcidev->irq, phba); + pci_free_irq_vectors(phba->pcidev); + lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, + "0496 MSI pci_irq_vec failed (%d)\n", rc); + return rc; } + eqhdl->irq = rc; + + cpu = cpumask_first(cpu_present_mask); + lpfc_assign_eq_map_info(phba, 0, LPFC_CPU_FIRST_IRQ, cpu); - if (phba->cfg_fof) { - phba->sli4_hba.hba_eq_hdl[index].idx = index; - phba->sli4_hba.hba_eq_hdl[index].phba = phba; + for (index = 0; index < phba->cfg_irq_chann; index++) { + eqhdl = lpfc_get_eq_hdl(index); + eqhdl->idx = index; } + return 0; } /** * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device * @phba: pointer to lpfc hba data structure. + * @cfg_mode: Interrupt configuration mode (INTx, MSI or MSI-X). * * This routine is invoked to enable device interrupt and associate driver's * interrupt handler(s) to interrupt vector(s) to device with SLI-4 @@ -10410,8 +13188,8 @@ lpfc_sli4_enable_msi(struct lpfc_hba *phba) * MSI-X -> MSI -> IRQ. * * Return codes - * 0 - successful - * other values - error + * Interrupt mode (2, 1, 0) - successful + * LPFC_INTR_ERROR - error **/ static uint32_t lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) @@ -10449,22 +13227,29 @@ lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode) IRQF_SHARED, LPFC_DRIVER_NAME, phba); if (!retval) { struct lpfc_hba_eq_hdl *eqhdl; + unsigned int cpu; /* Indicate initialization to INTx mode */ phba->intr_type = INTx; intr_mode = 0; - for (idx = 0; idx < phba->io_channel_irqs; idx++) { - eqhdl = &phba->sli4_hba.hba_eq_hdl[idx]; - eqhdl->idx = idx; - eqhdl->phba = phba; - atomic_set(&eqhdl->hba_eq_in_use, 1); + eqhdl = lpfc_get_eq_hdl(0); + retval = pci_irq_vector(phba->pcidev, 0); + if (retval < 0) { + free_irq(phba->pcidev->irq, phba); + lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, + "0502 INTR pci_irq_vec failed (%d)\n", + retval); + return LPFC_INTR_ERROR; } - if (phba->cfg_fof) { - eqhdl = &phba->sli4_hba.hba_eq_hdl[idx]; + eqhdl->irq = retval; + + cpu = cpumask_first(cpu_present_mask); + lpfc_assign_eq_map_info(phba, 0, LPFC_CPU_FIRST_IRQ, + cpu); + for (idx = 0; idx < phba->cfg_irq_chann; idx++) { + eqhdl = lpfc_get_eq_hdl(idx); eqhdl->idx = idx; - eqhdl->phba = phba; - atomic_set(&eqhdl->hba_eq_in_use, 1); } } } @@ -10486,15 +13271,14 @@ lpfc_sli4_disable_intr(struct lpfc_hba *phba) /* Disable the currently initialized interrupt mode */ if (phba->intr_type == MSIX) { int index; + struct lpfc_hba_eq_hdl *eqhdl; /* Free up MSI-X multi-message vectors */ - for (index = 0; index < phba->io_channel_irqs; index++) - free_irq(pci_irq_vector(phba->pcidev, index), - &phba->sli4_hba.hba_eq_hdl[index]); - - if (phba->cfg_fof) - free_irq(pci_irq_vector(phba->pcidev, index), - &phba->sli4_hba.hba_eq_hdl[index]); + for (index = 0; index < phba->cfg_irq_chann; index++) { + eqhdl = lpfc_get_eq_hdl(index); + lpfc_irq_clear_aff(eqhdl); + free_irq(eqhdl->irq, eqhdl); + } } else { free_irq(phba->pcidev->irq, phba); } @@ -10516,12 +13300,7 @@ lpfc_sli4_disable_intr(struct lpfc_hba *phba) static void lpfc_unset_hba(struct lpfc_hba *phba) { - struct lpfc_vport *vport = phba->pport; - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - - spin_lock_irq(shost->host_lock); - vport->load_flag |= FC_UNLOADING; - spin_unlock_irq(shost->host_lock); + set_bit(FC_UNLOADING, &phba->pport->load_flag); kfree(phba->vpi_bmask); kfree(phba->vpi_ids); @@ -10555,10 +13334,11 @@ lpfc_unset_hba(struct lpfc_hba *phba) static void lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) { + struct lpfc_sli4_hdw_queue *qp; + int idx, ccnt; int wait_time = 0; - int nvme_xri_cmpl = 1; + int io_xri_cmpl = 1; int nvmet_xri_cmpl = 1; - int fcp_xri_cmpl = 1; int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); /* Driver just aborted IOs during the hba_unset process. Pause @@ -10571,36 +13351,35 @@ lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) lpfc_nvme_wait_for_io_drain(phba); - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) - fcp_xri_cmpl = - list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list); + ccnt = 0; + for (idx = 0; idx < phba->cfg_hdw_queue; idx++) { + qp = &phba->sli4_hba.hdwq[idx]; + io_xri_cmpl = list_empty(&qp->lpfc_abts_io_buf_list); + if (!io_xri_cmpl) /* if list is NOT empty */ + ccnt++; + } + if (ccnt) + io_xri_cmpl = 0; + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { - nvme_xri_cmpl = - list_empty(&phba->sli4_hba.lpfc_abts_nvme_buf_list); nvmet_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list); } - while (!fcp_xri_cmpl || !els_xri_cmpl || !nvme_xri_cmpl || - !nvmet_xri_cmpl) { + while (!els_xri_cmpl || !io_xri_cmpl || !nvmet_xri_cmpl) { if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) { if (!nvmet_xri_cmpl) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "6424 NVMET XRI exchange busy " "wait time: %d seconds.\n", wait_time/1000); - if (!nvme_xri_cmpl) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "6100 NVME XRI exchange busy " - "wait time: %d seconds.\n", - wait_time/1000); - if (!fcp_xri_cmpl) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2877 FCP XRI exchange busy " + if (!io_xri_cmpl) + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "6100 IO XRI exchange busy " "wait time: %d seconds.\n", wait_time/1000); if (!els_xri_cmpl) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2878 ELS XRI exchange busy " "wait time: %d seconds.\n", wait_time/1000); @@ -10610,17 +13389,22 @@ lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba) msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1); wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1; } + + ccnt = 0; + for (idx = 0; idx < phba->cfg_hdw_queue; idx++) { + qp = &phba->sli4_hba.hdwq[idx]; + io_xri_cmpl = list_empty( + &qp->lpfc_abts_io_buf_list); + if (!io_xri_cmpl) /* if list is NOT empty */ + ccnt++; + } + if (ccnt) + io_xri_cmpl = 0; + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { - nvme_xri_cmpl = list_empty( - &phba->sli4_hba.lpfc_abts_nvme_buf_list); nvmet_xri_cmpl = list_empty( &phba->sli4_hba.lpfc_abts_nvmet_ctx_list); } - - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) - fcp_xri_cmpl = list_empty( - &phba->sli4_hba.lpfc_abts_scsi_buf_list); - els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list); @@ -10645,7 +13429,11 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba) struct pci_dev *pdev = phba->pcidev; lpfc_stop_hba_timers(phba); - phba->sli4_hba.intr_enable = 0; + hrtimer_cancel(&phba->cmf_stats_timer); + hrtimer_cancel(&phba->cmf_timer); + + if (phba->pport) + phba->sli4_hba.intr_enable = 0; /* * Gracefully wait out the potential current outstanding asynchronous @@ -10676,8 +13464,13 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba) /* Abort all iocbs associated with the hba */ lpfc_sli_hba_iocb_abort(phba); - /* Wait for completion of device XRI exchange busy */ - lpfc_sli4_xri_exchange_busy_wait(phba); + if (!pci_channel_offline(phba->pcidev)) + /* Wait for completion of device XRI exchange busy */ + lpfc_sli4_xri_exchange_busy_wait(phba); + + /* per-phba callback de-registration for hotplug event */ + if (phba->pport) + lpfc_cpuhp_remove(phba); /* Disable PCI subsystem interrupt */ lpfc_sli4_disable_intr(phba); @@ -10692,93 +13485,218 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba) /* Disable FW logging to host memory */ lpfc_ras_stop_fwlog(phba); - /* Unset the queues shared with the hardware then release all - * allocated resources. - */ lpfc_sli4_queue_unset(phba); - lpfc_sli4_queue_destroy(phba); /* Reset SLI4 HBA FCoE function */ lpfc_pci_function_reset(phba); + /* release all queue allocated resources. */ + lpfc_sli4_queue_destroy(phba); + /* Free RAS DMA memory */ if (phba->ras_fwlog.ras_enabled) lpfc_sli4_ras_dma_free(phba); /* Stop the SLI4 device port */ - phba->pport->work_port_events = 0; + if (phba->pport) + phba->pport->work_port_events = 0; } - /** - * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities. - * @phba: Pointer to HBA context object. - * @mboxq: Pointer to the mailboxq memory for the mailbox command response. - * - * This function is called in the SLI4 code path to read the port's - * sli4 capabilities. - * - * This function may be be called from any context that can block-wait - * for the completion. The expectation is that this routine is called - * typically from probe_one or from the online routine. - **/ -int -lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) +static uint32_t +lpfc_cgn_crc32(uint32_t crc, u8 byte) { - int rc; - struct lpfc_mqe *mqe; - struct lpfc_pc_sli4_params *sli4_params; - uint32_t mbox_tmo; + uint32_t msb = 0; + uint32_t bit; - rc = 0; - mqe = &mboxq->u.mqe; + for (bit = 0; bit < 8; bit++) { + msb = (crc >> 31) & 1; + crc <<= 1; - /* Read the port's SLI4 Parameters port capabilities */ - lpfc_pc_sli4_params(mboxq); - if (!phba->sli4_hba.intr_enable) - rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); - else { - mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); - rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); + if (msb ^ (byte & 1)) { + crc ^= LPFC_CGN_CRC32_MAGIC_NUMBER; + crc |= 1; + } + byte >>= 1; + } + return crc; +} + +static uint32_t +lpfc_cgn_reverse_bits(uint32_t wd) +{ + uint32_t result = 0; + uint32_t i; + + for (i = 0; i < 32; i++) { + result <<= 1; + result |= (1 & (wd >> i)); } + return result; +} - if (unlikely(rc)) - return 1; +/* + * The routine corresponds with the algorithm the HBA firmware + * uses to validate the data integrity. + */ +uint32_t +lpfc_cgn_calc_crc32(void *ptr, uint32_t byteLen, uint32_t crc) +{ + uint32_t i; + uint32_t result; + uint8_t *data = (uint8_t *)ptr; - sli4_params = &phba->sli4_hba.pc_sli4_params; - sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params); - sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params); - sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params); - sli4_params->featurelevel_1 = bf_get(featurelevel_1, - &mqe->un.sli4_params); - sli4_params->featurelevel_2 = bf_get(featurelevel_2, - &mqe->un.sli4_params); - sli4_params->proto_types = mqe->un.sli4_params.word3; - sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len; - sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params); - sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params); - sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params); - sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params); - sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params); - sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params); - sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params); - sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params); - sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params); - sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params); - sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params); - sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params); - sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params); - sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params); - sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params); - sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params); - sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params); - sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params); - sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params); + for (i = 0; i < byteLen; ++i) + crc = lpfc_cgn_crc32(crc, data[i]); - /* Make sure that sge_supp_len can be handled by the driver */ - if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) - sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; + result = ~lpfc_cgn_reverse_bits(crc); + return result; +} - return rc; +void +lpfc_init_congestion_buf(struct lpfc_hba *phba) +{ + struct lpfc_cgn_info *cp; + uint16_t size; + uint32_t crc; + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "6235 INIT Congestion Buffer %p\n", phba->cgn_i); + + if (!phba->cgn_i) + return; + cp = (struct lpfc_cgn_info *)phba->cgn_i->virt; + + atomic_set(&phba->cgn_fabric_warn_cnt, 0); + atomic_set(&phba->cgn_fabric_alarm_cnt, 0); + atomic_set(&phba->cgn_sync_alarm_cnt, 0); + atomic_set(&phba->cgn_sync_warn_cnt, 0); + + atomic_set(&phba->cgn_driver_evt_cnt, 0); + atomic_set(&phba->cgn_latency_evt_cnt, 0); + atomic64_set(&phba->cgn_latency_evt, 0); + phba->cgn_evt_minute = 0; + + memset(cp, 0xff, offsetof(struct lpfc_cgn_info, cgn_stat)); + cp->cgn_info_size = cpu_to_le16(LPFC_CGN_INFO_SZ); + cp->cgn_info_version = LPFC_CGN_INFO_V4; + + /* cgn parameters */ + cp->cgn_info_mode = phba->cgn_p.cgn_param_mode; + cp->cgn_info_level0 = phba->cgn_p.cgn_param_level0; + cp->cgn_info_level1 = phba->cgn_p.cgn_param_level1; + cp->cgn_info_level2 = phba->cgn_p.cgn_param_level2; + + lpfc_cgn_update_tstamp(phba, &cp->base_time); + + /* Fill in default LUN qdepth */ + if (phba->pport) { + size = (uint16_t)(phba->pport->cfg_lun_queue_depth); + cp->cgn_lunq = cpu_to_le16(size); + } + + /* last used Index initialized to 0xff already */ + + cp->cgn_warn_freq = cpu_to_le16(LPFC_FPIN_INIT_FREQ); + cp->cgn_alarm_freq = cpu_to_le16(LPFC_FPIN_INIT_FREQ); + crc = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, LPFC_CGN_CRC32_SEED); + cp->cgn_info_crc = cpu_to_le32(crc); + + phba->cgn_evt_timestamp = jiffies + + msecs_to_jiffies(LPFC_CGN_TIMER_TO_MIN); +} + +void +lpfc_init_congestion_stat(struct lpfc_hba *phba) +{ + struct lpfc_cgn_info *cp; + uint32_t crc; + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, + "6236 INIT Congestion Stat %p\n", phba->cgn_i); + + if (!phba->cgn_i) + return; + + cp = (struct lpfc_cgn_info *)phba->cgn_i->virt; + memset(&cp->cgn_stat, 0, sizeof(cp->cgn_stat)); + + lpfc_cgn_update_tstamp(phba, &cp->stat_start); + crc = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, LPFC_CGN_CRC32_SEED); + cp->cgn_info_crc = cpu_to_le32(crc); +} + +/** + * __lpfc_reg_congestion_buf - register congestion info buffer with HBA + * @phba: Pointer to hba context object. + * @reg: flag to determine register or unregister. + */ +static int +__lpfc_reg_congestion_buf(struct lpfc_hba *phba, int reg) +{ + struct lpfc_mbx_reg_congestion_buf *reg_congestion_buf; + union lpfc_sli4_cfg_shdr *shdr; + uint32_t shdr_status, shdr_add_status; + LPFC_MBOXQ_t *mboxq; + int length, rc; + + if (!phba->cgn_i) + return -ENXIO; + + mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mboxq) { + lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, + "2641 REG_CONGESTION_BUF mbox allocation fail: " + "HBA state x%x reg %d\n", + phba->pport->port_state, reg); + return -ENOMEM; + } + + length = (sizeof(struct lpfc_mbx_reg_congestion_buf) - + sizeof(struct lpfc_sli4_cfg_mhdr)); + lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, + LPFC_MBOX_OPCODE_REG_CONGESTION_BUF, length, + LPFC_SLI4_MBX_EMBED); + reg_congestion_buf = &mboxq->u.mqe.un.reg_congestion_buf; + bf_set(lpfc_mbx_reg_cgn_buf_type, reg_congestion_buf, 1); + if (reg > 0) + bf_set(lpfc_mbx_reg_cgn_buf_cnt, reg_congestion_buf, 1); + else + bf_set(lpfc_mbx_reg_cgn_buf_cnt, reg_congestion_buf, 0); + reg_congestion_buf->length = sizeof(struct lpfc_cgn_info); + reg_congestion_buf->addr_lo = + putPaddrLow(phba->cgn_i->phys); + reg_congestion_buf->addr_hi = + putPaddrHigh(phba->cgn_i->phys); + + rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); + shdr = (union lpfc_sli4_cfg_shdr *) + &mboxq->u.mqe.un.sli4_config.header.cfg_shdr; + shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); + shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, + &shdr->response); + mempool_free(mboxq, phba->mbox_mem_pool); + if (shdr_status || shdr_add_status || rc) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "2642 REG_CONGESTION_BUF mailbox " + "failed with status x%x add_status x%x," + " mbx status x%x reg %d\n", + shdr_status, shdr_add_status, rc, reg); + return -ENXIO; + } + return 0; +} + +int +lpfc_unreg_congestion_buf(struct lpfc_hba *phba) +{ + lpfc_cmf_stop(phba); + return __lpfc_reg_congestion_buf(phba, 0); +} + +int +lpfc_reg_congestion_buf(struct lpfc_hba *phba) +{ + return __lpfc_reg_congestion_buf(phba, 1); } /** @@ -10839,7 +13757,8 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) else phba->sli3_options &= ~LPFC_SLI4_PHWQ_ENABLED; sli4_params->sge_supp_len = mbx_sli4_parameters->sge_supp_len; - sli4_params->loopbk_scope = bf_get(loopbk_scope, mbx_sli4_parameters); + sli4_params->loopbk_scope = bf_get(cfg_loopbk_scope, + mbx_sli4_parameters); sli4_params->oas_supported = bf_get(cfg_oas, mbx_sli4_parameters); sli4_params->cqv = bf_get(cfg_cqv, mbx_sli4_parameters); sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters); @@ -10849,6 +13768,7 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) sli4_params->cqav = bf_get(cfg_cqav, mbx_sli4_parameters); sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters); sli4_params->bv1s = bf_get(cfg_bv1s, mbx_sli4_parameters); + sli4_params->pls = bf_get(cfg_pvl, mbx_sli4_parameters); sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt, mbx_sli4_parameters); sli4_params->wqpcnt = bf_get(cfg_wqpcnt, mbx_sli4_parameters); @@ -10856,31 +13776,59 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) mbx_sli4_parameters); phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters); phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters); - phba->nvme_support = (bf_get(cfg_nvme, mbx_sli4_parameters) && - bf_get(cfg_xib, mbx_sli4_parameters)); - - if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP) || - !phba->nvme_support) { - phba->nvme_support = 0; - phba->nvmet_support = 0; - phba->cfg_nvmet_mrq = LPFC_NVMET_MRQ_OFF; - phba->cfg_nvme_io_channel = 0; - phba->io_channel_irqs = phba->cfg_fcp_io_channel; - lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_NVME, - "6101 Disabling NVME support: " - "Not supported by firmware: %d %d\n", - bf_get(cfg_nvme, mbx_sli4_parameters), - bf_get(cfg_xib, mbx_sli4_parameters)); - - /* If firmware doesn't support NVME, just use SCSI support */ - if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) - return -ENODEV; - phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP; - } + sli4_params->mi_cap = bf_get(cfg_mi_ver, mbx_sli4_parameters); + + /* Check for Extended Pre-Registered SGL support */ + phba->cfg_xpsgl = bf_get(cfg_xpsgl, mbx_sli4_parameters); + + /* Check for firmware nvme support */ + rc = (bf_get(cfg_nvme, mbx_sli4_parameters) && + bf_get(cfg_xib, mbx_sli4_parameters)); - /* Only embed PBDE for if_type 6, PBDE support requires xib be set */ - if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != - LPFC_SLI_INTF_IF_TYPE_6) || (!bf_get(cfg_xib, mbx_sli4_parameters))) + if (rc) { + /* Save this to indicate the Firmware supports NVME */ + sli4_params->nvme = 1; + + /* Firmware NVME support, check driver FC4 NVME support */ + if (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP) { + lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_NVME, + "6133 Disabling NVME support: " + "FC4 type not supported: x%x\n", + phba->cfg_enable_fc4_type); + goto fcponly; + } + } else { + /* No firmware NVME support, check driver FC4 NVME support */ + sli4_params->nvme = 0; + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_NVME, + "6101 Disabling NVME support: Not " + "supported by firmware (%d %d) x%x\n", + bf_get(cfg_nvme, mbx_sli4_parameters), + bf_get(cfg_xib, mbx_sli4_parameters), + phba->cfg_enable_fc4_type); +fcponly: + phba->nvmet_support = 0; + phba->cfg_nvmet_mrq = 0; + phba->cfg_nvme_seg_cnt = 0; + + /* If no FC4 type support, move to just SCSI support */ + if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) + return -ENODEV; + phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP; + } + } + + /* If the NVME FC4 type is enabled, scale the sg_seg_cnt to + * accommodate 512K and 1M IOs in a single nvme buf. + */ + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) + phba->cfg_sg_seg_cnt = LPFC_MAX_NVME_SEG_CNT; + + /* Enable embedded Payload BDE if support is indicated */ + if (bf_get(cfg_pbde, mbx_sli4_parameters)) + phba->cfg_enable_pbde = 1; + else phba->cfg_enable_pbde = 0; /* @@ -10904,6 +13852,8 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE) sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE; + dma_set_max_seg_size(&phba->pcidev->dev, sli4_params->sge_supp_len); + /* * Check whether the adapter supports an embedded copy of the * FCP CMD IU within the WQE for FCP_Ixxx commands. In order @@ -10918,7 +13868,7 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) "6422 XIB %d PBDE %d: FCP %d NVME %d %d %d\n", bf_get(cfg_xib, mbx_sli4_parameters), phba->cfg_enable_pbde, - phba->fcp_embed_io, phba->nvme_support, + phba->fcp_embed_io, sli4_params->nvme, phba->cfg_nvme_embed_cmd, phba->cfg_suppress_rsp); if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == @@ -10942,6 +13892,14 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) else phba->mds_diags_support = 0; + /* + * Check if the SLI port supports NSLER + */ + if (bf_get(cfg_nsler, mbx_sli4_parameters)) + phba->nsler = 1; + else + phba->nsler = 0; + return 0; } @@ -11048,14 +14006,14 @@ lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid) /* Configure and enable interrupt */ intr_mode = lpfc_sli_enable_intr(phba, cfg_mode); if (intr_mode == LPFC_INTR_ERROR) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0431 Failed to enable interrupt.\n"); error = -ENODEV; goto out_free_sysfs_attr; } /* SLI-3 HBA setup */ if (lpfc_sli_hba_setup(phba)) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "1477 Failed to set up hba\n"); error = -ENODEV; goto out_remove_device; @@ -11131,9 +14089,7 @@ lpfc_pci_remove_one_s3(struct pci_dev *pdev) struct lpfc_hba *phba = vport->phba; int i; - spin_lock_irq(&phba->hbalock); - vport->load_flag |= FC_UNLOADING; - spin_unlock_irq(&phba->hbalock); + set_bit(FC_UNLOADING, &vport->load_flag); lpfc_free_sysfs_attr(vport); @@ -11147,10 +14103,11 @@ lpfc_pci_remove_one_s3(struct pci_dev *pdev) } lpfc_destroy_vport_work_array(phba, vports); - /* Remove FC host and then SCSI host with the physical port */ + /* Remove FC host with the physical port */ fc_remove_host(shost); scsi_remove_host(shost); + /* Clean up all nodes, mailboxes and IOs. */ lpfc_cleanup(vport); /* @@ -11190,6 +14147,8 @@ lpfc_pci_remove_one_s3(struct pci_dev *pdev) * corresponding pools here. */ lpfc_scsi_free(phba); + lpfc_free_iocb_list(phba); + lpfc_mem_free_all(phba); dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), @@ -11211,8 +14170,7 @@ lpfc_pci_remove_one_s3(struct pci_dev *pdev) /** * lpfc_pci_suspend_one_s3 - PCI func to suspend SLI-3 device for power mgmnt - * @pdev: pointer to PCI device - * @msg: power management message + * @dev_d: pointer to device * * This routine is to be called from the kernel's PCI subsystem to support * system Power Management (PM) to device with SLI-3 interface spec. When @@ -11230,10 +14188,10 @@ lpfc_pci_remove_one_s3(struct pci_dev *pdev) * 0 - driver suspended the device * Error otherwise **/ -static int -lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg) +static int __maybe_unused +lpfc_pci_suspend_one_s3(struct device *dev_d) { - struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct Scsi_Host *shost = dev_get_drvdata(dev_d); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; lpfc_printf_log(phba, KERN_INFO, LOG_INIT, @@ -11247,16 +14205,12 @@ lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg) /* Disable interrupt from device */ lpfc_sli_disable_intr(phba); - /* Save device state to PCI config space */ - pci_save_state(pdev); - pci_set_power_state(pdev, PCI_D3hot); - return 0; } /** * lpfc_pci_resume_one_s3 - PCI func to resume SLI-3 device for power mgmnt - * @pdev: pointer to PCI device + * @dev_d: pointer to device * * This routine is to be called from the kernel's PCI subsystem to support * system Power Management (PM) to device with SLI-3 interface spec. When PM @@ -11273,10 +14227,10 @@ lpfc_pci_suspend_one_s3(struct pci_dev *pdev, pm_message_t msg) * 0 - driver suspended the device * Error otherwise **/ -static int -lpfc_pci_resume_one_s3(struct pci_dev *pdev) +static int __maybe_unused +lpfc_pci_resume_one_s3(struct device *dev_d) { - struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct Scsi_Host *shost = dev_get_drvdata(dev_d); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; uint32_t intr_mode; int error; @@ -11284,19 +14238,6 @@ lpfc_pci_resume_one_s3(struct pci_dev *pdev) lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0452 PCI device Power Management resume.\n"); - /* Restore device state from PCI config space */ - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - - /* - * As the new kernel behavior of pci_restore_state() API call clears - * device saved_state flag, need to save the restored state again. - */ - pci_save_state(pdev); - - if (pdev->is_busmaster) - pci_set_master(pdev); - /* Startup the kernel thread for this host adapter. */ phba->worker_thread = kthread_run(lpfc_do_work, phba, "lpfc_worker_%d", phba->brd_no); @@ -11308,10 +14249,14 @@ lpfc_pci_resume_one_s3(struct pci_dev *pdev) return error; } + /* Init cpu_map array */ + lpfc_cpu_map_array_init(phba); + /* Init hba_eq_hdl array */ + lpfc_hba_eq_hdl_array_init(phba); /* Configure and enable interrupt */ intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); if (intr_mode == LPFC_INTR_ERROR) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0430 PM resume Failed to enable interrupt\n"); return -EIO; } else @@ -11337,7 +14282,7 @@ lpfc_pci_resume_one_s3(struct pci_dev *pdev) static void lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2723 PCI channel I/O abort preparing for recovery\n"); /* @@ -11358,7 +14303,7 @@ lpfc_sli_prep_dev_for_recover(struct lpfc_hba *phba) static void lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2710 PCI channel disable preparing for reset\n"); /* Block any management I/Os to the device */ @@ -11368,7 +14313,7 @@ lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba) lpfc_scsi_dev_block(phba); /* Flush all driver's outstanding SCSI I/Os as we are to reset */ - lpfc_sli_flush_fcp_rings(phba); + lpfc_sli_flush_io_rings(phba); /* stop all timers */ lpfc_stop_hba_timers(phba); @@ -11389,16 +14334,17 @@ lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba) static void lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2711 PCI channel permanent disable for failure\n"); /* Block all SCSI devices' I/Os on the host */ lpfc_scsi_dev_block(phba); + lpfc_sli4_prep_dev_for_reset(phba); /* stop all timers */ lpfc_stop_hba_timers(phba); /* Clean up all driver's outstanding SCSI I/Os */ - lpfc_sli_flush_fcp_rings(phba); + lpfc_sli_flush_io_rings(phba); } /** @@ -11415,7 +14361,7 @@ lpfc_sli_prep_dev_for_perm_failure(struct lpfc_hba *phba) * as desired. * * Return codes - * PCI_ERS_RESULT_CAN_RECOVER - can be recovered with reset_link + * PCI_ERS_RESULT_CAN_RECOVER - can be recovered without reset * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery * PCI_ERS_RESULT_DISCONNECT - device could not be recovered **/ @@ -11440,7 +14386,7 @@ lpfc_io_error_detected_s3(struct pci_dev *pdev, pci_channel_state_t state) return PCI_ERS_RESULT_DISCONNECT; default: /* Unknown state, prepare and request slot reset */ - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0472 Unknown PCI error state: x%x\n", state); lpfc_sli_prep_dev_for_reset(phba); return PCI_ERS_RESULT_NEED_RESET; @@ -11482,12 +14428,6 @@ lpfc_io_slot_reset_s3(struct pci_dev *pdev) pci_restore_state(pdev); - /* - * As the new kernel behavior of pci_restore_state() API call clears - * device saved_state flag, need to save the restored state again. - */ - pci_save_state(pdev); - if (pdev->is_busmaster) pci_set_master(pdev); @@ -11498,7 +14438,7 @@ lpfc_io_slot_reset_s3(struct pci_dev *pdev) /* Configure and enable interrupt */ intr_mode = lpfc_sli_enable_intr(phba, phba->intr_mode); if (intr_mode == LPFC_INTR_ERROR) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0427 Cannot re-enable interrupt after " "slot reset.\n"); return PCI_ERS_RESULT_DISCONNECT; @@ -11583,35 +14523,60 @@ lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba) } -static void +static int lpfc_log_write_firmware_error(struct lpfc_hba *phba, uint32_t offset, uint32_t magic_number, uint32_t ftype, uint32_t fid, uint32_t fsize, const struct firmware *fw) { - if ((offset == ADD_STATUS_FW_NOT_SUPPORTED) || - (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC && - magic_number != MAGIC_NUMER_G6) || - (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G7_FC && - magic_number != MAGIC_NUMER_G7)) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "3030 This firmware version is not supported on " - "this HBA model. Device:%x Magic:%x Type:%x " - "ID:%x Size %d %zd\n", - phba->pcidev->device, magic_number, ftype, fid, - fsize, fw->size); - else - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "3022 FW Download failed. Device:%x Magic:%x Type:%x " - "ID:%x Size %d %zd\n", - phba->pcidev->device, magic_number, ftype, fid, - fsize, fw->size); + int rc; + u8 sli_family; + + sli_family = bf_get(lpfc_sli_intf_sli_family, &phba->sli4_hba.sli_intf); + /* Three cases: (1) FW was not supported on the detected adapter. + * (2) FW update has been locked out administratively. + * (3) Some other error during FW update. + * In each case, an unmaskable message is written to the console + * for admin diagnosis. + */ + if (offset == ADD_STATUS_FW_NOT_SUPPORTED || + (sli_family == LPFC_SLI_INTF_FAMILY_G6 && + magic_number != MAGIC_NUMBER_G6) || + (sli_family == LPFC_SLI_INTF_FAMILY_G7 && + magic_number != MAGIC_NUMBER_G7) || + (sli_family == LPFC_SLI_INTF_FAMILY_G7P && + magic_number != MAGIC_NUMBER_G7P)) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "3030 This firmware version is not supported on" + " this HBA model. Device:%x Magic:%x Type:%x " + "ID:%x Size %d %zd\n", + phba->pcidev->device, magic_number, ftype, fid, + fsize, fw->size); + rc = -EINVAL; + } else if (offset == ADD_STATUS_FW_DOWNLOAD_HW_DISABLED) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "3021 Firmware downloads have been prohibited " + "by a system configuration setting on " + "Device:%x Magic:%x Type:%x ID:%x Size %d " + "%zd\n", + phba->pcidev->device, magic_number, ftype, fid, + fsize, fw->size); + rc = -EACCES; + } else { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "3022 FW Download failed. Add Status x%x " + "Device:%x Magic:%x Type:%x ID:%x Size %d " + "%zd\n", + offset, phba->pcidev->device, magic_number, + ftype, fid, fsize, fw->size); + rc = -EIO; + } + return rc; } - /** * lpfc_write_firmware - attempt to write a firmware image to the port * @fw: pointer to firmware image returned from request_firmware. - * @phba: pointer to lpfc hba data structure. + * @context: pointer to firmware image returned from request_firmware. * **/ static void @@ -11641,10 +14606,10 @@ lpfc_write_firmware(const struct firmware *fw, void *context) INIT_LIST_HEAD(&dma_buffer_list); lpfc_decode_firmware_rev(phba, fwrev, 1); if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "3023 Updating Firmware, Current Version:%s " - "New Version:%s\n", - fwrev, image->revision); + lpfc_log_msg(phba, KERN_NOTICE, LOG_INIT | LOG_SLI, + "3023 Updating Firmware, Current Version:%s " + "New Version:%s\n", + fwrev, image->revision); for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) { dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); @@ -11680,17 +14645,21 @@ lpfc_write_firmware(const struct firmware *fw, void *context) rc = lpfc_wr_object(phba, &dma_buffer_list, (fw->size - offset), &offset); if (rc) { - lpfc_log_write_firmware_error(phba, offset, - magic_number, ftype, fid, fsize, fw); + rc = lpfc_log_write_firmware_error(phba, offset, + magic_number, + ftype, + fid, + fsize, + fw); goto release_out; } } rc = offset; } else - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "3029 Skipped Firmware update, Current " - "Version:%s New Version:%s\n", - fwrev, image->revision); + lpfc_log_msg(phba, KERN_NOTICE, LOG_INIT | LOG_SLI, + "3029 Skipped Firmware update, Current " + "Version:%s New Version:%s\n", + fwrev, image->revision); release_out: list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) { @@ -11701,14 +14670,18 @@ release_out: } release_firmware(fw); out: - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "3024 Firmware update done: %d.\n", rc); - return; + if (rc < 0) + lpfc_log_msg(phba, KERN_ERR, LOG_INIT | LOG_SLI, + "3062 Firmware update error, status %d.\n", rc); + else + lpfc_log_msg(phba, KERN_NOTICE, LOG_INIT | LOG_SLI, + "3024 Firmware update success: size %d.\n", rc); } /** * lpfc_sli4_request_firmware_update - Request linux generic firmware upgrade * @phba: pointer to lpfc hba data structure. + * @fw_upgrade: which firmware to update. * * This routine is called to perform Linux generic firmware upgrade on device * that supports such feature. @@ -11716,7 +14689,7 @@ out: int lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade) { - uint8_t file_name[ELX_MODEL_NAME_SIZE]; + char file_name[ELX_FW_NAME_SIZE] = {0}; int ret; const struct firmware *fw; @@ -11725,10 +14698,10 @@ lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade) LPFC_SLI_INTF_IF_TYPE_2) return -EPERM; - snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName); + scnprintf(file_name, sizeof(file_name), "%s.grp", phba->ModelName); if (fw_upgrade == INT_FW_UPGRADE) { - ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, + ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT, file_name, &phba->pcidev->dev, GFP_KERNEL, (void *)phba, lpfc_write_firmware); @@ -11775,6 +14748,8 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) if (!phba) return -ENOMEM; + INIT_LIST_HEAD(&phba->poll_list); + /* Perform generic PCI device enabling operation */ error = lpfc_enable_pci_dev(phba); if (error) @@ -11801,6 +14776,7 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) goto out_unset_pci_mem_s4; } + spin_lock_init(&phba->rrq_list_lock); INIT_LIST_HEAD(&phba->active_rrq_list); INIT_LIST_HEAD(&phba->fcf.fcf_pri_list); @@ -11815,56 +14791,61 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) /* Get the default values for Model Name and Description */ lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); - /* Create SCSI host to the physical port */ - error = lpfc_create_shost(phba); - if (error) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "1415 Failed to create scsi host.\n"); - goto out_unset_driver_resource; - } - - /* Configure sysfs attributes */ - vport = phba->pport; - error = lpfc_alloc_sysfs_attr(vport); - if (error) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "1416 Failed to allocate sysfs attr\n"); - goto out_destroy_shost; - } - - shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ /* Now, trying to enable interrupt and bring up the device */ cfg_mode = phba->cfg_use_msi; /* Put device to a known state before enabling interrupt */ + phba->pport = NULL; lpfc_stop_port(phba); + /* Init cpu_map array */ + lpfc_cpu_map_array_init(phba); + + /* Init hba_eq_hdl array */ + lpfc_hba_eq_hdl_array_init(phba); + /* Configure and enable interrupt */ intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode); if (intr_mode == LPFC_INTR_ERROR) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0426 Failed to enable interrupt.\n"); error = -ENODEV; - goto out_free_sysfs_attr; + goto out_unset_driver_resource; } /* Default to single EQ for non-MSI-X */ if (phba->intr_type != MSIX) { - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) - phba->cfg_fcp_io_channel = 1; + phba->cfg_irq_chann = 1; if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { - phba->cfg_nvme_io_channel = 1; if (phba->nvmet_support) phba->cfg_nvmet_mrq = 1; } - phba->io_channel_irqs = 1; + } + lpfc_cpu_affinity_check(phba, phba->cfg_irq_chann); + + /* Create SCSI host to the physical port */ + error = lpfc_create_shost(phba); + if (error) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "1415 Failed to create scsi host.\n"); + goto out_disable_intr; + } + vport = phba->pport; + shost = lpfc_shost_from_vport(vport); /* save shost for error cleanup */ + + /* Configure sysfs attributes */ + error = lpfc_alloc_sysfs_attr(vport); + if (error) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "1416 Failed to allocate sysfs attr\n"); + goto out_destroy_shost; } /* Set up SLI-4 HBA */ if (lpfc_sli4_hba_setup(phba)) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "1421 Failed to set up hba\n"); error = -ENODEV; - goto out_disable_intr; + goto out_free_sysfs_attr; } /* Log the current active interrupt mode */ @@ -11877,19 +14858,20 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) /* NVME support in FW earlier in the driver load corrects the * FC4 type making a check for nvme_support unnecessary. */ - if ((phba->nvmet_support == 0) && - (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) { - /* Create NVME binding with nvme_fc_transport. This - * ensures the vport is initialized. If the localport - * create fails, it should not unload the driver to - * support field issues. - */ - error = lpfc_nvme_create_localport(vport); - if (error) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "6004 NVME registration failed, " - "error x%x\n", - error); + if (phba->nvmet_support == 0) { + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { + /* Create NVME binding with nvme_fc_transport. This + * ensures the vport is initialized. If the localport + * create fails, it should not unload the driver to + * support field issues. + */ + error = lpfc_nvme_create_localport(vport); + if (error) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "6004 NVME registration " + "failed, error x%x\n", + error); + } } } @@ -11900,17 +14882,17 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) /* Check if there are static vports to be created. */ lpfc_create_static_vport(phba); - /* Enable RAS FW log support */ - lpfc_sli4_ras_setup(phba); + timer_setup(&phba->cpuhp_poll_timer, lpfc_sli4_poll_hbtimer, 0); + cpuhp_state_add_instance_nocalls(lpfc_cpuhp_state, &phba->cpuhp); return 0; -out_disable_intr: - lpfc_sli4_disable_intr(phba); out_free_sysfs_attr: lpfc_free_sysfs_attr(vport); out_destroy_shost: lpfc_destroy_shost(phba); +out_disable_intr: + lpfc_sli4_disable_intr(phba); out_unset_driver_resource: lpfc_unset_driver_resource_phase2(phba); out_unset_driver_resource_s4: @@ -11945,11 +14927,10 @@ lpfc_pci_remove_one_s4(struct pci_dev *pdev) int i; /* Mark the device unloading flag */ - spin_lock_irq(&phba->hbalock); - vport->load_flag |= FC_UNLOADING; - spin_unlock_irq(&phba->hbalock); + set_bit(FC_UNLOADING, &vport->load_flag); + if (phba->cgn_i) + lpfc_unreg_congestion_buf(phba); - /* Free the HBA sysfs attributes */ lpfc_free_sysfs_attr(vport); /* Release all the vports against this physical port */ @@ -11962,7 +14943,7 @@ lpfc_pci_remove_one_s4(struct pci_dev *pdev) } lpfc_destroy_vport_work_array(phba, vports); - /* Remove FC host and then SCSI host with the physical port */ + /* Remove FC host with the physical port */ fc_remove_host(shost); scsi_remove_host(shost); @@ -11973,13 +14954,16 @@ lpfc_pci_remove_one_s4(struct pci_dev *pdev) lpfc_nvmet_destroy_targetport(phba); lpfc_nvme_destroy_localport(vport); + /* De-allocate multi-XRI pools */ + if (phba->cfg_xri_rebalancing) + lpfc_destroy_multixri_pools(phba); + /* * Bring down the SLI Layer. This step disables all interrupts, * clears the rings, discards all mailbox commands, and resets * the HBA FCoE function. */ lpfc_debugfs_terminate(vport); - lpfc_sli4_hba_unset(phba); lpfc_stop_hba_timers(phba); spin_lock_irq(&phba->port_list_lock); @@ -11989,9 +14973,9 @@ lpfc_pci_remove_one_s4(struct pci_dev *pdev) /* Perform scsi free before driver resource_unset since scsi * buffers are released to their corresponding pools here. */ - lpfc_scsi_free(phba); - lpfc_nvme_free(phba); + lpfc_io_free(phba); lpfc_free_iocb_list(phba); + lpfc_sli4_hba_unset(phba); lpfc_unset_driver_resource_phase2(phba); lpfc_sli4_driver_resource_unset(phba); @@ -12011,8 +14995,7 @@ lpfc_pci_remove_one_s4(struct pci_dev *pdev) /** * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt - * @pdev: pointer to PCI device - * @msg: power management message + * @dev_d: pointer to device * * This routine is called from the kernel's PCI subsystem to support system * Power Management (PM) to device with SLI-4 interface spec. When PM invokes @@ -12030,10 +15013,10 @@ lpfc_pci_remove_one_s4(struct pci_dev *pdev) * 0 - driver suspended the device * Error otherwise **/ -static int -lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg) +static int __maybe_unused +lpfc_pci_suspend_one_s4(struct device *dev_d) { - struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct Scsi_Host *shost = dev_get_drvdata(dev_d); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; lpfc_printf_log(phba, KERN_INFO, LOG_INIT, @@ -12048,16 +15031,12 @@ lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg) lpfc_sli4_disable_intr(phba); lpfc_sli4_queue_destroy(phba); - /* Save device state to PCI config space */ - pci_save_state(pdev); - pci_set_power_state(pdev, PCI_D3hot); - return 0; } /** * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt - * @pdev: pointer to PCI device + * @dev_d: pointer to device * * This routine is called from the kernel's PCI subsystem to support system * Power Management (PM) to device with SLI-4 interface spac. When PM invokes @@ -12074,10 +15053,10 @@ lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg) * 0 - driver suspended the device * Error otherwise **/ -static int -lpfc_pci_resume_one_s4(struct pci_dev *pdev) +static int __maybe_unused +lpfc_pci_resume_one_s4(struct device *dev_d) { - struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct Scsi_Host *shost = dev_get_drvdata(dev_d); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; uint32_t intr_mode; int error; @@ -12085,19 +15064,6 @@ lpfc_pci_resume_one_s4(struct pci_dev *pdev) lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0292 PCI device Power Management resume.\n"); - /* Restore device state from PCI config space */ - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - - /* - * As the new kernel behavior of pci_restore_state() API call clears - * device saved_state flag, need to save the restored state again. - */ - pci_save_state(pdev); - - if (pdev->is_busmaster) - pci_set_master(pdev); - /* Startup the kernel thread for this host adapter. */ phba->worker_thread = kthread_run(lpfc_do_work, phba, "lpfc_worker_%d", phba->brd_no); @@ -12112,7 +15078,7 @@ lpfc_pci_resume_one_s4(struct pci_dev *pdev) /* Configure and enable interrupt */ intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); if (intr_mode == LPFC_INTR_ERROR) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0294 PM resume Failed to enable interrupt\n"); return -EIO; } else @@ -12138,7 +15104,7 @@ lpfc_pci_resume_one_s4(struct pci_dev *pdev) static void lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2828 PCI channel I/O abort preparing for recovery\n"); /* * There may be errored I/Os through HBA, abort all I/Os on txcmplq @@ -12158,28 +15124,28 @@ lpfc_sli4_prep_dev_for_recover(struct lpfc_hba *phba) static void lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba) { + int offline = pci_channel_offline(phba->pcidev); + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2826 PCI channel disable preparing for reset\n"); + "2826 PCI channel disable preparing for reset offline" + " %d\n", offline); /* Block any management I/Os to the device */ lpfc_block_mgmt_io(phba, LPFC_MBX_NO_WAIT); - /* Block all SCSI devices' I/Os on the host */ - lpfc_scsi_dev_block(phba); - - /* Flush all driver's outstanding SCSI I/Os as we are to reset */ - lpfc_sli_flush_fcp_rings(phba); - /* Flush the outstanding NVME IOs if fc4 type enabled. */ - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) - lpfc_sli_flush_nvme_rings(phba); + /* HBA_PCI_ERR was set in io_error_detect */ + lpfc_offline_prep(phba, LPFC_MBX_NO_WAIT); + /* Flush all driver's outstanding I/Os as we are to reset */ + lpfc_sli_flush_io_rings(phba); + lpfc_offline(phba); /* stop all timers */ lpfc_stop_hba_timers(phba); + lpfc_sli4_queue_destroy(phba); /* Disable interrupt and pci device */ lpfc_sli4_disable_intr(phba); - lpfc_sli4_queue_destroy(phba); pci_disable_device(phba->pcidev); } @@ -12194,7 +15160,7 @@ lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba) static void lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2827 PCI channel permanent disable for failure\n"); /* Block all SCSI devices' I/Os on the host */ @@ -12203,12 +15169,8 @@ lpfc_sli4_prep_dev_for_perm_failure(struct lpfc_hba *phba) /* stop all timers */ lpfc_stop_hba_timers(phba); - /* Clean up all driver's outstanding SCSI I/Os */ - lpfc_sli_flush_fcp_rings(phba); - - /* Flush the outstanding NVME IOs if fc4 type enabled. */ - if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) - lpfc_sli_flush_nvme_rings(phba); + /* Clean up all driver's outstanding I/Os */ + lpfc_sli_flush_io_rings(phba); } /** @@ -12232,6 +15194,7 @@ lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; + bool hba_pci_err; switch (state) { case pci_channel_io_normal: @@ -12239,16 +15202,26 @@ lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state) lpfc_sli4_prep_dev_for_recover(phba); return PCI_ERS_RESULT_CAN_RECOVER; case pci_channel_io_frozen: + hba_pci_err = test_and_set_bit(HBA_PCI_ERR, &phba->bit_flags); /* Fatal error, prepare for slot reset */ - lpfc_sli4_prep_dev_for_reset(phba); + if (!hba_pci_err) + lpfc_sli4_prep_dev_for_reset(phba); + else + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "2832 Already handling PCI error " + "state: x%x\n", state); return PCI_ERS_RESULT_NEED_RESET; case pci_channel_io_perm_failure: + set_bit(HBA_PCI_ERR, &phba->bit_flags); /* Permanent failure, prepare for device down */ lpfc_sli4_prep_dev_for_perm_failure(phba); return PCI_ERS_RESULT_DISCONNECT; default: + hba_pci_err = test_and_set_bit(HBA_PCI_ERR, &phba->bit_flags); + if (!hba_pci_err) + lpfc_sli4_prep_dev_for_reset(phba); /* Unknown state, prepare and request slot reset */ - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2825 Unknown PCI error state: x%x\n", state); lpfc_sli4_prep_dev_for_reset(phba); return PCI_ERS_RESULT_NEED_RESET; @@ -12280,16 +15253,21 @@ lpfc_io_slot_reset_s4(struct pci_dev *pdev) struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; struct lpfc_sli *psli = &phba->sli; uint32_t intr_mode; + bool hba_pci_err; dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); if (pci_enable_device_mem(pdev)) { printk(KERN_ERR "lpfc: Cannot re-enable " - "PCI device after reset.\n"); + "PCI device after reset.\n"); return PCI_ERS_RESULT_DISCONNECT; } pci_restore_state(pdev); + hba_pci_err = test_and_clear_bit(HBA_PCI_ERR, &phba->bit_flags); + if (!hba_pci_err) + dev_info(&pdev->dev, + "hba_pci_err was not set, recovering slot reset.\n"); /* * As the new kernel behavior of pci_restore_state() API call clears * device saved_state flag, need to save the restored state again. @@ -12303,15 +15281,18 @@ lpfc_io_slot_reset_s4(struct pci_dev *pdev) psli->sli_flag &= ~LPFC_SLI_ACTIVE; spin_unlock_irq(&phba->hbalock); + /* Init cpu_map array */ + lpfc_cpu_map_array_init(phba); /* Configure and enable interrupt */ intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode); if (intr_mode == LPFC_INTR_ERROR) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2824 Cannot re-enable interrupt after " "slot reset.\n"); return PCI_ERS_RESULT_DISCONNECT; } else phba->intr_mode = intr_mode; + lpfc_cpu_affinity_check(phba, phba->cfg_irq_chann); /* Log the current active interrupt mode */ lpfc_log_intr_mode(phba, phba->intr_mode); @@ -12343,8 +15324,6 @@ lpfc_io_resume_s4(struct pci_dev *pdev) */ if (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) { /* Perform device reset */ - lpfc_offline_prep(phba, LPFC_MBX_WAIT); - lpfc_offline(phba); lpfc_sli_brdrestart(phba); /* Bring the device back online */ lpfc_online(phba); @@ -12411,7 +15390,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev) lpfc_pci_remove_one_s4(pdev); break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "1424 Invalid PCI device group: 0x%x\n", phba->pci_dev_grp); break; @@ -12421,8 +15400,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev) /** * lpfc_pci_suspend_one - lpfc PCI func to suspend dev for power management - * @pdev: pointer to PCI device - * @msg: power management message + * @dev: pointer to device * * This routine is to be registered to the kernel's PCI subsystem to support * system Power Management (PM). When PM invokes this method, it dispatches @@ -12433,22 +15411,22 @@ lpfc_pci_remove_one(struct pci_dev *pdev) * 0 - driver suspended the device * Error otherwise **/ -static int -lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) +static int __maybe_unused +lpfc_pci_suspend_one(struct device *dev) { - struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct Scsi_Host *shost = dev_get_drvdata(dev); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; int rc = -ENODEV; switch (phba->pci_dev_grp) { case LPFC_PCI_DEV_LP: - rc = lpfc_pci_suspend_one_s3(pdev, msg); + rc = lpfc_pci_suspend_one_s3(dev); break; case LPFC_PCI_DEV_OC: - rc = lpfc_pci_suspend_one_s4(pdev, msg); + rc = lpfc_pci_suspend_one_s4(dev); break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "1425 Invalid PCI device group: 0x%x\n", phba->pci_dev_grp); break; @@ -12458,7 +15436,7 @@ lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) /** * lpfc_pci_resume_one - lpfc PCI func to resume dev for power management - * @pdev: pointer to PCI device + * @dev: pointer to device * * This routine is to be registered to the kernel's PCI subsystem to support * system Power Management (PM). When PM invokes this method, it dispatches @@ -12469,22 +15447,22 @@ lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg) * 0 - driver suspended the device * Error otherwise **/ -static int -lpfc_pci_resume_one(struct pci_dev *pdev) +static int __maybe_unused +lpfc_pci_resume_one(struct device *dev) { - struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct Scsi_Host *shost = dev_get_drvdata(dev); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; int rc = -ENODEV; switch (phba->pci_dev_grp) { case LPFC_PCI_DEV_LP: - rc = lpfc_pci_resume_one_s3(pdev); + rc = lpfc_pci_resume_one_s3(dev); break; case LPFC_PCI_DEV_OC: - rc = lpfc_pci_resume_one_s4(pdev); + rc = lpfc_pci_resume_one_s4(dev); break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "1426 Invalid PCI device group: 0x%x\n", phba->pci_dev_grp); break; @@ -12514,6 +15492,10 @@ lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; + if (phba->link_state == LPFC_HBA_ERROR && + test_bit(HBA_IOQ_FLUSH, &phba->hba_flag)) + return PCI_ERS_RESULT_NEED_RESET; + switch (phba->pci_dev_grp) { case LPFC_PCI_DEV_LP: rc = lpfc_io_error_detected_s3(pdev, state); @@ -12522,7 +15504,7 @@ lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) rc = lpfc_io_error_detected_s4(pdev, state); break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "1427 Invalid PCI device group: 0x%x\n", phba->pci_dev_grp); break; @@ -12559,7 +15541,7 @@ lpfc_io_slot_reset(struct pci_dev *pdev) rc = lpfc_io_slot_reset_s4(pdev); break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "1428 Invalid PCI device group: 0x%x\n", phba->pci_dev_grp); break; @@ -12591,7 +15573,7 @@ lpfc_io_resume(struct pci_dev *pdev) lpfc_io_resume_s4(pdev); break; default: - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "1429 Invalid PCI device group: 0x%x\n", phba->pci_dev_grp); break; @@ -12609,7 +15591,7 @@ lpfc_io_resume(struct pci_dev *pdev) * is destroyed. * **/ -void +static void lpfc_sli4_oas_verify(struct lpfc_hba *phba) { @@ -12620,8 +15602,7 @@ lpfc_sli4_oas_verify(struct lpfc_hba *phba) phba->cfg_fof = 1; } else { phba->cfg_fof = 0; - if (phba->device_data_mem_pool) - mempool_destroy(phba->device_data_mem_pool); + mempool_destroy(phba->device_data_mem_pool); phba->device_data_mem_pool = NULL; } @@ -12638,180 +15619,22 @@ lpfc_sli4_oas_verify(struct lpfc_hba *phba) void lpfc_sli4_ras_init(struct lpfc_hba *phba) { - switch (phba->pcidev->device) { - case PCI_DEVICE_ID_LANCER_G6_FC: - case PCI_DEVICE_ID_LANCER_G7_FC: + /* if ASIC_GEN_NUM >= 0xC) */ + if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == + LPFC_SLI_INTF_IF_TYPE_6) || + (bf_get(lpfc_sli_intf_sli_family, &phba->sli4_hba.sli_intf) == + LPFC_SLI_INTF_FAMILY_G6)) { phba->ras_fwlog.ras_hwsupport = true; if (phba->cfg_ras_fwlog_func == PCI_FUNC(phba->pcidev->devfn) && phba->cfg_ras_fwlog_buffsize) phba->ras_fwlog.ras_enabled = true; else phba->ras_fwlog.ras_enabled = false; - break; - default: + } else { phba->ras_fwlog.ras_hwsupport = false; } } -/** - * lpfc_fof_queue_setup - Set up all the fof queues - * @phba: pointer to lpfc hba data structure. - * - * This routine is invoked to set up all the fof queues for the FC HBA - * operation. - * - * Return codes - * 0 - successful - * -ENOMEM - No available memory - **/ -int -lpfc_fof_queue_setup(struct lpfc_hba *phba) -{ - struct lpfc_sli_ring *pring; - int rc; - - rc = lpfc_eq_create(phba, phba->sli4_hba.fof_eq, LPFC_MAX_IMAX); - if (rc) - return -ENOMEM; - - if (phba->cfg_fof) { - - rc = lpfc_cq_create(phba, phba->sli4_hba.oas_cq, - phba->sli4_hba.fof_eq, LPFC_WCQ, LPFC_FCP); - if (rc) - goto out_oas_cq; - - rc = lpfc_wq_create(phba, phba->sli4_hba.oas_wq, - phba->sli4_hba.oas_cq, LPFC_FCP); - if (rc) - goto out_oas_wq; - - /* Bind this CQ/WQ to the NVME ring */ - pring = phba->sli4_hba.oas_wq->pring; - pring->sli.sli4.wqp = - (void *)phba->sli4_hba.oas_wq; - phba->sli4_hba.oas_cq->pring = pring; - } - - return 0; - -out_oas_wq: - lpfc_cq_destroy(phba, phba->sli4_hba.oas_cq); -out_oas_cq: - lpfc_eq_destroy(phba, phba->sli4_hba.fof_eq); - return rc; - -} - -/** - * lpfc_fof_queue_create - Create all the fof queues - * @phba: pointer to lpfc hba data structure. - * - * This routine is invoked to allocate all the fof queues for the FC HBA - * operation. For each SLI4 queue type, the parameters such as queue entry - * count (queue depth) shall be taken from the module parameter. For now, - * we just use some constant number as place holder. - * - * Return codes - * 0 - successful - * -ENOMEM - No availble memory - * -EIO - The mailbox failed to complete successfully. - **/ -int -lpfc_fof_queue_create(struct lpfc_hba *phba) -{ - struct lpfc_queue *qdesc; - uint32_t wqesize; - - /* Create FOF EQ */ - qdesc = lpfc_sli4_queue_alloc(phba, LPFC_DEFAULT_PAGE_SIZE, - phba->sli4_hba.eq_esize, - phba->sli4_hba.eq_ecount); - if (!qdesc) - goto out_error; - - qdesc->qe_valid = 1; - phba->sli4_hba.fof_eq = qdesc; - - if (phba->cfg_fof) { - - /* Create OAS CQ */ - if (phba->enab_exp_wqcq_pages) - qdesc = lpfc_sli4_queue_alloc(phba, - LPFC_EXPANDED_PAGE_SIZE, - phba->sli4_hba.cq_esize, - LPFC_CQE_EXP_COUNT); - else - qdesc = lpfc_sli4_queue_alloc(phba, - LPFC_DEFAULT_PAGE_SIZE, - phba->sli4_hba.cq_esize, - phba->sli4_hba.cq_ecount); - if (!qdesc) - goto out_error; - - qdesc->qe_valid = 1; - phba->sli4_hba.oas_cq = qdesc; - - /* Create OAS WQ */ - if (phba->enab_exp_wqcq_pages) { - wqesize = (phba->fcp_embed_io) ? - LPFC_WQE128_SIZE : phba->sli4_hba.wq_esize; - qdesc = lpfc_sli4_queue_alloc(phba, - LPFC_EXPANDED_PAGE_SIZE, - wqesize, - LPFC_WQE_EXP_COUNT); - } else - qdesc = lpfc_sli4_queue_alloc(phba, - LPFC_DEFAULT_PAGE_SIZE, - phba->sli4_hba.wq_esize, - phba->sli4_hba.wq_ecount); - - if (!qdesc) - goto out_error; - - phba->sli4_hba.oas_wq = qdesc; - list_add_tail(&qdesc->wq_list, &phba->sli4_hba.lpfc_wq_list); - - } - return 0; - -out_error: - lpfc_fof_queue_destroy(phba); - return -ENOMEM; -} - -/** - * lpfc_fof_queue_destroy - Destroy all the fof queues - * @phba: pointer to lpfc hba data structure. - * - * This routine is invoked to release all the SLI4 queues with the FC HBA - * operation. - * - * Return codes - * 0 - successful - **/ -int -lpfc_fof_queue_destroy(struct lpfc_hba *phba) -{ - /* Release FOF Event queue */ - if (phba->sli4_hba.fof_eq != NULL) { - lpfc_sli4_queue_free(phba->sli4_hba.fof_eq); - phba->sli4_hba.fof_eq = NULL; - } - - /* Release OAS Completion queue */ - if (phba->sli4_hba.oas_cq != NULL) { - lpfc_sli4_queue_free(phba->sli4_hba.oas_cq); - phba->sli4_hba.oas_cq = NULL; - } - - /* Release OAS Work queue */ - if (phba->sli4_hba.oas_wq != NULL) { - lpfc_sli4_queue_free(phba->sli4_hba.oas_wq); - phba->sli4_hba.oas_wq = NULL; - } - return 0; -} MODULE_DEVICE_TABLE(pci, lpfc_id_table); @@ -12821,14 +15644,17 @@ static const struct pci_error_handlers lpfc_err_handler = { .resume = lpfc_io_resume, }; +static SIMPLE_DEV_PM_OPS(lpfc_pci_pm_ops_one, + lpfc_pci_suspend_one, + lpfc_pci_resume_one); + static struct pci_driver lpfc_driver = { .name = LPFC_DRIVER_NAME, .id_table = lpfc_id_table, .probe = lpfc_pci_probe_one, .remove = lpfc_pci_remove_one, .shutdown = lpfc_pci_remove_one, - .suspend = lpfc_pci_suspend_one, - .resume = lpfc_pci_resume_one, + .driver.pm = &lpfc_pci_pm_ops_one, .err_handler = &lpfc_err_handler, }; @@ -12859,42 +15685,138 @@ lpfc_init(void) { int error = 0; - printk(LPFC_MODULE_DESC "\n"); - printk(LPFC_COPYRIGHT "\n"); + pr_info(LPFC_MODULE_DESC "\n"); + pr_info(LPFC_COPYRIGHT "\n"); error = misc_register(&lpfc_mgmt_dev); if (error) printk(KERN_ERR "Could not register lpfcmgmt device, " "misc_register returned with status %d", error); + error = -ENOMEM; lpfc_transport_functions.vport_create = lpfc_vport_create; lpfc_transport_functions.vport_delete = lpfc_vport_delete; lpfc_transport_template = fc_attach_transport(&lpfc_transport_functions); if (lpfc_transport_template == NULL) - return -ENOMEM; + goto unregister; lpfc_vport_transport_template = fc_attach_transport(&lpfc_vport_transport_functions); if (lpfc_vport_transport_template == NULL) { fc_release_transport(lpfc_transport_template); - return -ENOMEM; + goto unregister; } - lpfc_nvme_cmd_template(); + lpfc_wqe_cmd_template(); lpfc_nvmet_cmd_template(); /* Initialize in case vector mapping is needed */ - lpfc_used_cpu = NULL; lpfc_present_cpu = num_present_cpus(); + lpfc_pldv_detect = false; + + error = cpuhp_setup_state_multi(CPUHP_AP_ONLINE_DYN, + "lpfc/sli4:online", + lpfc_cpu_online, lpfc_cpu_offline); + if (error < 0) + goto cpuhp_failure; + lpfc_cpuhp_state = error; + error = pci_register_driver(&lpfc_driver); - if (error) { - fc_release_transport(lpfc_transport_template); - fc_release_transport(lpfc_vport_transport_template); - } + if (error) + goto unwind; + + return error; + +unwind: + cpuhp_remove_multi_state(lpfc_cpuhp_state); +cpuhp_failure: + fc_release_transport(lpfc_transport_template); + fc_release_transport(lpfc_vport_transport_template); +unregister: + misc_deregister(&lpfc_mgmt_dev); return error; } +void lpfc_dmp_dbg(struct lpfc_hba *phba) +{ + unsigned int start_idx; + unsigned int dbg_cnt; + unsigned int temp_idx; + int i; + int j = 0; + unsigned long rem_nsec; + + if (atomic_cmpxchg(&phba->dbg_log_dmping, 0, 1) != 0) + return; + + start_idx = (unsigned int)atomic_read(&phba->dbg_log_idx) % DBG_LOG_SZ; + dbg_cnt = (unsigned int)atomic_read(&phba->dbg_log_cnt); + if (!dbg_cnt) + goto out; + temp_idx = start_idx; + if (dbg_cnt >= DBG_LOG_SZ) { + dbg_cnt = DBG_LOG_SZ; + temp_idx -= 1; + } else { + if ((start_idx + dbg_cnt) > (DBG_LOG_SZ - 1)) { + temp_idx = (start_idx + dbg_cnt) % DBG_LOG_SZ; + } else { + if (start_idx < dbg_cnt) + start_idx = DBG_LOG_SZ - (dbg_cnt - start_idx); + else + start_idx -= dbg_cnt; + } + } + dev_info(&phba->pcidev->dev, "start %d end %d cnt %d\n", + start_idx, temp_idx, dbg_cnt); + + for (i = 0; i < dbg_cnt; i++) { + if ((start_idx + i) < DBG_LOG_SZ) + temp_idx = (start_idx + i) % DBG_LOG_SZ; + else + temp_idx = j++; + rem_nsec = do_div(phba->dbg_log[temp_idx].t_ns, NSEC_PER_SEC); + dev_info(&phba->pcidev->dev, "%d: [%5lu.%06lu] %s", + temp_idx, + (unsigned long)phba->dbg_log[temp_idx].t_ns, + rem_nsec / 1000, + phba->dbg_log[temp_idx].log); + } +out: + atomic_set(&phba->dbg_log_cnt, 0); + atomic_set(&phba->dbg_log_dmping, 0); +} + +__printf(2, 3) +void lpfc_dbg_print(struct lpfc_hba *phba, const char *fmt, ...) +{ + unsigned int idx; + va_list args; + int dbg_dmping = atomic_read(&phba->dbg_log_dmping); + struct va_format vaf; + + + va_start(args, fmt); + if (unlikely(dbg_dmping)) { + vaf.fmt = fmt; + vaf.va = &args; + dev_info(&phba->pcidev->dev, "%pV", &vaf); + va_end(args); + return; + } + idx = (unsigned int)atomic_fetch_add(1, &phba->dbg_log_idx) % + DBG_LOG_SZ; + + atomic_inc(&phba->dbg_log_cnt); + + vscnprintf(phba->dbg_log[idx].log, + sizeof(phba->dbg_log[idx].log), fmt, args); + va_end(args); + + phba->dbg_log[idx].t_ns = local_clock(); +} + /** * lpfc_exit - lpfc module removal routine * @@ -12907,22 +15829,9 @@ lpfc_exit(void) { misc_deregister(&lpfc_mgmt_dev); pci_unregister_driver(&lpfc_driver); + cpuhp_remove_multi_state(lpfc_cpuhp_state); fc_release_transport(lpfc_transport_template); fc_release_transport(lpfc_vport_transport_template); - if (_dump_buf_data) { - printk(KERN_ERR "9062 BLKGRD: freeing %lu pages for " - "_dump_buf_data at 0x%p\n", - (1L << _dump_buf_data_order), _dump_buf_data); - free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order); - } - - if (_dump_buf_dif) { - printk(KERN_ERR "9049 BLKGRD: freeing %lu pages for " - "_dump_buf_dif at 0x%p\n", - (1L << _dump_buf_dif_order), _dump_buf_dif); - free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order); - } - kfree(lpfc_used_cpu); idr_destroy(&lpfc_hba_index); } |