diff options
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_base.c')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 7013 |
1 files changed, 5264 insertions, 1749 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 0177295599e0..abbbc4b36cd1 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -1,35 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Linux MegaRAID driver for SAS based RAID controllers * - * Copyright (c) 2003-2012 LSI Corporation. + * Copyright (c) 2003-2013 LSI Corporation + * Copyright (c) 2013-2016 Avago Technologies + * Copyright (c) 2016-2018 Broadcom Inc. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * FILE: megaraid_sas_base.c - * Version : 06.600.18.00-rc1 - * - * Authors: LSI Corporation + * Authors: Broadcom Inc. * Sreenivas Bagalkote * Sumant Patro * Bo Yang - * Adam Radford <linuxraid@lsi.com> - * - * Send feedback to: <megaraidlinux@lsi.com> + * Adam Radford + * Kashyap Desai <kashyap.desai@broadcom.com> + * Sumit Saxena <sumit.saxena@broadcom.com> * - * Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035 - * ATTN: Linuxraid + * Send feedback to: megaraidlinux.pdl@broadcom.com */ #include <linux/kernel.h> @@ -43,18 +28,22 @@ #include <linux/delay.h> #include <linux/uio.h> #include <linux/slab.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> +#include <linux/unaligned.h> #include <linux/fs.h> #include <linux/compat.h> #include <linux/blkdev.h> #include <linux/mutex.h> #include <linux/poll.h> +#include <linux/vmalloc.h> +#include <linux/irq_poll.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> #include <scsi/scsi_host.h> #include <scsi/scsi_tcq.h> +#include <scsi/scsi_dbg.h> #include "megaraid_sas_fusion.h" #include "megaraid_sas.h" @@ -63,42 +52,101 @@ * Will be set in megasas_init_mfi if user does not provide */ static unsigned int max_sectors; -module_param_named(max_sectors, max_sectors, int, 0); +module_param_named(max_sectors, max_sectors, int, 0444); MODULE_PARM_DESC(max_sectors, "Maximum number of sectors per IO command"); static int msix_disable; -module_param(msix_disable, int, S_IRUGO); +module_param(msix_disable, int, 0444); MODULE_PARM_DESC(msix_disable, "Disable MSI-X interrupt handling. Default: 0"); static unsigned int msix_vectors; -module_param(msix_vectors, int, S_IRUGO); +module_param(msix_vectors, int, 0444); MODULE_PARM_DESC(msix_vectors, "MSI-X max vector count. Default: Set by FW"); -static int throttlequeuedepth = MEGASAS_THROTTLE_QUEUE_DEPTH; -module_param(throttlequeuedepth, int, S_IRUGO); +static int allow_vf_ioctls; +module_param(allow_vf_ioctls, int, 0444); +MODULE_PARM_DESC(allow_vf_ioctls, "Allow ioctls in SR-IOV VF mode. Default: 0"); + +static unsigned int throttlequeuedepth = MEGASAS_THROTTLE_QUEUE_DEPTH; +module_param(throttlequeuedepth, int, 0444); MODULE_PARM_DESC(throttlequeuedepth, "Adapter queue depth when throttled due to I/O timeout. Default: 16"); -int resetwaittime = MEGASAS_RESET_WAIT_TIME; -module_param(resetwaittime, int, S_IRUGO); -MODULE_PARM_DESC(resetwaittime, "Wait time in seconds after I/O timeout " - "before resetting adapter. Default: 180"); +unsigned int resetwaittime = MEGASAS_RESET_WAIT_TIME; +module_param(resetwaittime, int, 0444); +MODULE_PARM_DESC(resetwaittime, "Wait time in (1-180s) after I/O timeout before resetting adapter. Default: 180s"); + +static int smp_affinity_enable = 1; +module_param(smp_affinity_enable, int, 0444); +MODULE_PARM_DESC(smp_affinity_enable, "SMP affinity feature enable/disable Default: enable(1)"); + +static int rdpq_enable = 1; +module_param(rdpq_enable, int, 0444); +MODULE_PARM_DESC(rdpq_enable, "Allocate reply queue in chunks for large queue depth enable/disable Default: enable(1)"); + +unsigned int dual_qdepth_disable; +module_param(dual_qdepth_disable, int, 0444); +MODULE_PARM_DESC(dual_qdepth_disable, "Disable dual queue depth feature. Default: 0"); + +static unsigned int scmd_timeout = MEGASAS_DEFAULT_CMD_TIMEOUT; +module_param(scmd_timeout, int, 0444); +MODULE_PARM_DESC(scmd_timeout, "scsi command timeout (10-90s), default 90s. See megasas_reset_timer."); + +static int perf_mode = -1; +module_param(perf_mode, int, 0444); +MODULE_PARM_DESC(perf_mode, "Performance mode (only for Aero adapters), options:\n\t\t" + "0 - balanced: High iops and low latency queues are allocated &\n\t\t" + "interrupt coalescing is enabled only on high iops queues\n\t\t" + "1 - iops: High iops queues are not allocated &\n\t\t" + "interrupt coalescing is enabled on all queues\n\t\t" + "2 - latency: High iops queues are not allocated &\n\t\t" + "interrupt coalescing is disabled on all queues\n\t\t" + "default mode is 'balanced'" + ); + +static int event_log_level = MFI_EVT_CLASS_CRITICAL; +module_param(event_log_level, int, 0644); +MODULE_PARM_DESC(event_log_level, "Asynchronous event logging level- range is: -2(CLASS_DEBUG) to 4(CLASS_DEAD), Default: 2(CLASS_CRITICAL)"); + +static unsigned int enable_sdev_max_qd; +module_param(enable_sdev_max_qd, int, 0444); +MODULE_PARM_DESC(enable_sdev_max_qd, "Enable sdev max qd as can_queue. Default: 0"); + +static int poll_queues; +module_param(poll_queues, int, 0444); +MODULE_PARM_DESC(poll_queues, "Number of queues to be use for io_uring poll mode.\n\t\t" + "This parameter is effective only if host_tagset_enable=1 &\n\t\t" + "It is not applicable for MFI_SERIES. &\n\t\t" + "Driver will work in latency mode. &\n\t\t" + "High iops queues are not allocated &\n\t\t" + ); + +static int host_tagset_enable = 1; +module_param(host_tagset_enable, int, 0444); +MODULE_PARM_DESC(host_tagset_enable, "Shared host tagset enable/disable Default: enable(1)"); MODULE_LICENSE("GPL"); MODULE_VERSION(MEGASAS_VERSION); -MODULE_AUTHOR("megaraidlinux@lsi.com"); -MODULE_DESCRIPTION("LSI MegaRAID SAS Driver"); +MODULE_AUTHOR("megaraidlinux.pdl@broadcom.com"); +MODULE_DESCRIPTION("Broadcom MegaRAID SAS Driver"); int megasas_transition_to_ready(struct megasas_instance *instance, int ocr); static int megasas_get_pd_list(struct megasas_instance *instance); +static int megasas_ld_list_query(struct megasas_instance *instance, + u8 query_type); static int megasas_issue_init_mfi(struct megasas_instance *instance); static int megasas_register_aen(struct megasas_instance *instance, u32 seq_num, u32 class_locale_word); +static void megasas_get_pd_info(struct megasas_instance *instance, + struct scsi_device *sdev); +static void +megasas_set_ld_removed_by_fw(struct megasas_instance *instance); + /* * PCI ID table for all supported controllers */ -static struct pci_device_id megasas_pci_table[] = { +static const struct pci_device_id megasas_pci_table[] = { {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064R)}, /* xscale IOP */ @@ -120,17 +168,40 @@ static struct pci_device_id megasas_pci_table[] = { /* xscale IOP */ {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FUSION)}, /* Fusion */ + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_PLASMA)}, + /* Plasma */ {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INVADER)}, /* Invader */ {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FURY)}, /* Fury */ + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INTRUDER)}, + /* Intruder */ + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INTRUDER_24)}, + /* Intruder 24 port*/ + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CUTLASS_52)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CUTLASS_53)}, + /* VENTURA */ + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VENTURA)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CRUSADER)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_HARPOON)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_TOMCAT)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VENTURA_4PORT)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CRUSADER_4PORT)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E1)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E2)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E5)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E6)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E0)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E3)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E4)}, + {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_AERO_10E7)}, {} }; MODULE_DEVICE_TABLE(pci, megasas_pci_table); static int megasas_mgmt_majorno; -static struct megasas_mgmt_info megasas_mgmt_info; +struct megasas_mgmt_info megasas_mgmt_info; static struct fasync_struct *megasas_async_queue; static DEFINE_MUTEX(megasas_async_queue_mutex); @@ -139,15 +210,20 @@ static DECLARE_WAIT_QUEUE_HEAD(megasas_poll_wait); static u32 support_poll_for_event; u32 megasas_dbg_lvl; static u32 support_device_change; +static bool support_nvme_encapsulation; +static bool support_pci_lane_margining; /* define lock for aen poll */ -spinlock_t poll_aen_lock; +static DEFINE_SPINLOCK(poll_aen_lock); + +extern struct dentry *megasas_debugfs_root; +extern int megasas_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num); void megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, u8 alt_status); static u32 -megasas_read_fw_status_reg_gen2(struct megasas_register_set __iomem *regs); +megasas_read_fw_status_reg_gen2(struct megasas_instance *instance); static int megasas_adp_reset_gen2(struct megasas_instance *instance, struct megasas_register_set __iomem *reg_set); @@ -158,27 +234,78 @@ u32 megasas_build_and_issue_cmd(struct megasas_instance *instance, struct scsi_cmnd *scmd); static void megasas_complete_cmd_dpc(unsigned long instance_addr); -void -megasas_release_fusion(struct megasas_instance *instance); -int -megasas_ioc_init_fusion(struct megasas_instance *instance); -void -megasas_free_cmds_fusion(struct megasas_instance *instance); -u8 -megasas_get_map_info(struct megasas_instance *instance); int -megasas_sync_map_info(struct megasas_instance *instance); -int -wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd); -void megasas_reset_reply_desc(struct megasas_instance *instance); -int megasas_reset_fusion(struct Scsi_Host *shost); +wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd, + int seconds); void megasas_fusion_ocr_wq(struct work_struct *work); +static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance, + int initial); +static int +megasas_set_dma_mask(struct megasas_instance *instance); +static int +megasas_alloc_ctrl_mem(struct megasas_instance *instance); +static inline void +megasas_free_ctrl_mem(struct megasas_instance *instance); +static inline int +megasas_alloc_ctrl_dma_buffers(struct megasas_instance *instance); +static inline void +megasas_free_ctrl_dma_buffers(struct megasas_instance *instance); +static inline void +megasas_init_ctrl_params(struct megasas_instance *instance); -void +u32 megasas_readl(struct megasas_instance *instance, + const volatile void __iomem *addr) +{ + u32 i = 0, ret_val; + /* + * Due to a HW errata in Aero controllers, reads to certain + * Fusion registers could intermittently return all zeroes. + * This behavior is transient in nature and subsequent reads will + * return valid value. As a workaround in driver, retry readl for + * up to thirty times until a non-zero value is read. + */ + if (instance->adapter_type == AERO_SERIES) { + do { + ret_val = readl(addr); + i++; + } while (ret_val == 0 && i < 30); + return ret_val; + } else { + return readl(addr); + } +} + +/** + * megasas_set_dma_settings - Populate DMA address, length and flags for DCMDs + * @instance: Adapter soft state + * @dcmd: DCMD frame inside MFI command + * @dma_addr: DMA address of buffer to be passed to FW + * @dma_len: Length of DMA buffer to be passed to FW + * @return: void + */ +void megasas_set_dma_settings(struct megasas_instance *instance, + struct megasas_dcmd_frame *dcmd, + dma_addr_t dma_addr, u32 dma_len) +{ + if (instance->consistent_mask_64bit) { + dcmd->sgl.sge64[0].phys_addr = cpu_to_le64(dma_addr); + dcmd->sgl.sge64[0].length = cpu_to_le32(dma_len); + dcmd->flags = cpu_to_le16(dcmd->flags | MFI_FRAME_SGL64); + + } else { + dcmd->sgl.sge32[0].phys_addr = + cpu_to_le32(lower_32_bits(dma_addr)); + dcmd->sgl.sge32[0].length = cpu_to_le32(dma_len); + dcmd->flags = cpu_to_le16(dcmd->flags); + } +} + +static void megasas_issue_dcmd(struct megasas_instance *instance, struct megasas_cmd *cmd) { instance->instancet->fire_cmd(instance, cmd->frame_phys_addr, 0, instance->reg_set); + return; } /** @@ -193,17 +320,17 @@ struct megasas_cmd *megasas_get_cmd(struct megasas_instance unsigned long flags; struct megasas_cmd *cmd = NULL; - spin_lock_irqsave(&instance->cmd_pool_lock, flags); + spin_lock_irqsave(&instance->mfi_pool_lock, flags); if (!list_empty(&instance->cmd_pool)) { cmd = list_entry((&instance->cmd_pool)->next, struct megasas_cmd, list); list_del_init(&cmd->list); } else { - printk(KERN_ERR "megasas: Command pool empty!\n"); + dev_err(&instance->pdev->dev, "Command pool empty!\n"); } - spin_unlock_irqrestore(&instance->cmd_pool_lock, flags); + spin_unlock_irqrestore(&instance->mfi_pool_lock, flags); return cmd; } @@ -212,39 +339,126 @@ struct megasas_cmd *megasas_get_cmd(struct megasas_instance * @instance: Adapter soft state * @cmd: Command packet to be returned to free command pool */ -inline void +void megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd) { unsigned long flags; + u32 blk_tags; + struct megasas_cmd_fusion *cmd_fusion; + struct fusion_context *fusion = instance->ctrl_context; - spin_lock_irqsave(&instance->cmd_pool_lock, flags); + /* This flag is used only for fusion adapter. + * Wait for Interrupt for Polled mode DCMD + */ + if (cmd->flags & DRV_DCMD_POLLED_MODE) + return; + spin_lock_irqsave(&instance->mfi_pool_lock, flags); + + if (fusion) { + blk_tags = instance->max_scsi_cmds + cmd->index; + cmd_fusion = fusion->cmd_list[blk_tags]; + megasas_return_cmd_fusion(instance, cmd_fusion); + } cmd->scmd = NULL; cmd->frame_count = 0; - if ((instance->pdev->device != PCI_DEVICE_ID_LSI_FUSION) && - (instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER) && - (instance->pdev->device != PCI_DEVICE_ID_LSI_FURY) && - (reset_devices)) + cmd->flags = 0; + memset(cmd->frame, 0, instance->mfi_frame_size); + cmd->frame->io.context = cpu_to_le32(cmd->index); + if (!fusion && reset_devices) cmd->frame->hdr.cmd = MFI_CMD_INVALID; - list_add_tail(&cmd->list, &instance->cmd_pool); + list_add(&cmd->list, (&instance->cmd_pool)->next); + + spin_unlock_irqrestore(&instance->mfi_pool_lock, flags); - spin_unlock_irqrestore(&instance->cmd_pool_lock, flags); } +static const char * +format_timestamp(uint32_t timestamp) +{ + static char buffer[32]; + + if ((timestamp & 0xff000000) == 0xff000000) + snprintf(buffer, sizeof(buffer), "boot + %us", timestamp & + 0x00ffffff); + else + snprintf(buffer, sizeof(buffer), "%us", timestamp); + return buffer; +} + +static const char * +format_class(int8_t class) +{ + static char buffer[6]; + + switch (class) { + case MFI_EVT_CLASS_DEBUG: + return "debug"; + case MFI_EVT_CLASS_PROGRESS: + return "progress"; + case MFI_EVT_CLASS_INFO: + return "info"; + case MFI_EVT_CLASS_WARNING: + return "WARN"; + case MFI_EVT_CLASS_CRITICAL: + return "CRIT"; + case MFI_EVT_CLASS_FATAL: + return "FATAL"; + case MFI_EVT_CLASS_DEAD: + return "DEAD"; + default: + snprintf(buffer, sizeof(buffer), "%d", class); + return buffer; + } +} /** -* The following functions are defined for xscale -* (deviceid : 1064R, PERC5) controllers -*/ + * megasas_decode_evt: Decode FW AEN event and print critical event + * for information. + * @instance: Adapter soft state + */ +static void +megasas_decode_evt(struct megasas_instance *instance) +{ + struct megasas_evt_detail *evt_detail = instance->evt_detail; + union megasas_evt_class_locale class_locale; + class_locale.word = le32_to_cpu(evt_detail->cl.word); + + if ((event_log_level < MFI_EVT_CLASS_DEBUG) || + (event_log_level > MFI_EVT_CLASS_DEAD)) { + printk(KERN_WARNING "megaraid_sas: provided event log level is out of range, setting it to default 2(CLASS_CRITICAL), permissible range is: -2 to 4\n"); + event_log_level = MFI_EVT_CLASS_CRITICAL; + } + + if (class_locale.members.class >= event_log_level) + dev_info(&instance->pdev->dev, "%d (%s/0x%04x/%s) - %s\n", + le32_to_cpu(evt_detail->seq_num), + format_timestamp(le32_to_cpu(evt_detail->time_stamp)), + (class_locale.members.locale), + format_class(class_locale.members.class), + evt_detail->description); + + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, + "evt_detail.args.ld.target_id/index %d/%d\n", + evt_detail->args.ld.target_id, evt_detail->args.ld.ld_index); + +} + +/* + * The following functions are defined for xscale + * (deviceid : 1064R, PERC5) controllers + */ /** * megasas_enable_intr_xscale - Enables interrupts - * @regs: MFI register set + * @instance: Adapter soft state */ static inline void megasas_enable_intr_xscale(struct megasas_instance *instance) { struct megasas_register_set __iomem *regs; + regs = instance->reg_set; writel(0, &(regs)->outbound_intr_mask); @@ -254,13 +468,14 @@ megasas_enable_intr_xscale(struct megasas_instance *instance) /** * megasas_disable_intr_xscale -Disables interrupt - * @regs: MFI register set + * @instance: Adapter soft state */ static inline void megasas_disable_intr_xscale(struct megasas_instance *instance) { struct megasas_register_set __iomem *regs; u32 mask = 0x1f; + regs = instance->reg_set; writel(mask, ®s->outbound_intr_mask); /* Dummy readl to force pci flush */ @@ -269,22 +484,25 @@ megasas_disable_intr_xscale(struct megasas_instance *instance) /** * megasas_read_fw_status_reg_xscale - returns the current FW status value - * @regs: MFI register set + * @instance: Adapter soft state */ static u32 -megasas_read_fw_status_reg_xscale(struct megasas_register_set __iomem * regs) +megasas_read_fw_status_reg_xscale(struct megasas_instance *instance) { - return readl(&(regs)->outbound_msg_0); + return readl(&instance->reg_set->outbound_msg_0); } /** - * megasas_clear_interrupt_xscale - Check & clear interrupt - * @regs: MFI register set + * megasas_clear_intr_xscale - Check & clear interrupt + * @instance: Adapter soft state */ static int -megasas_clear_intr_xscale(struct megasas_register_set __iomem * regs) +megasas_clear_intr_xscale(struct megasas_instance *instance) { u32 status; u32 mfiStatus = 0; + struct megasas_register_set __iomem *regs; + regs = instance->reg_set; + /* * Check if it is our interrupt */ @@ -309,9 +527,10 @@ megasas_clear_intr_xscale(struct megasas_register_set __iomem * regs) /** * megasas_fire_cmd_xscale - Sends command to the FW - * @frame_phys_addr : Physical address of cmd - * @frame_count : Number of frames for the command - * @regs : MFI register set + * @instance: Adapter soft state + * @frame_phys_addr : Physical address of cmd + * @frame_count : Number of frames for the command + * @regs : MFI register set */ static inline void megasas_fire_cmd_xscale(struct megasas_instance *instance, @@ -320,6 +539,7 @@ megasas_fire_cmd_xscale(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { unsigned long flags; + spin_lock_irqsave(&instance->hba_lock, flags); writel((frame_phys_addr >> 3)|(frame_count), &(regs)->inbound_queue_port); @@ -328,7 +548,8 @@ megasas_fire_cmd_xscale(struct megasas_instance *instance, /** * megasas_adp_reset_xscale - For controller reset - * @regs: MFI register set + * @instance: Adapter soft state + * @regs: MFI register set */ static int megasas_adp_reset_xscale(struct megasas_instance *instance, @@ -336,15 +557,16 @@ megasas_adp_reset_xscale(struct megasas_instance *instance, { u32 i; u32 pcidata; + writel(MFI_ADP_RESET, ®s->inbound_doorbell); for (i = 0; i < 3; i++) msleep(1000); /* sleep for 3 secs */ pcidata = 0; pci_read_config_dword(instance->pdev, MFI_1068_PCSR_OFFSET, &pcidata); - printk(KERN_NOTICE "pcidata = %x\n", pcidata); + dev_notice(&instance->pdev->dev, "pcidata = %x\n", pcidata); if (pcidata & 0x2) { - printk(KERN_NOTICE "mfi 1068 offset read=%x\n", pcidata); + dev_notice(&instance->pdev->dev, "mfi 1068 offset read=%x\n", pcidata); pcidata &= ~0x2; pci_write_config_dword(instance->pdev, MFI_1068_PCSR_OFFSET, pcidata); @@ -355,9 +577,9 @@ megasas_adp_reset_xscale(struct megasas_instance *instance, pcidata = 0; pci_read_config_dword(instance->pdev, MFI_1068_FW_HANDSHAKE_OFFSET, &pcidata); - printk(KERN_NOTICE "1068 offset handshake read=%x\n", pcidata); + dev_notice(&instance->pdev->dev, "1068 offset handshake read=%x\n", pcidata); if ((pcidata & 0xffff0000) == MFI_1068_FW_READY) { - printk(KERN_NOTICE "1068 offset pcidt=%x\n", pcidata); + dev_notice(&instance->pdev->dev, "1068 offset pcidt=%x\n", pcidata); pcidata = 0; pci_write_config_dword(instance->pdev, MFI_1068_FW_HANDSHAKE_OFFSET, pcidata); @@ -368,19 +590,17 @@ megasas_adp_reset_xscale(struct megasas_instance *instance, /** * megasas_check_reset_xscale - For controller reset check - * @regs: MFI register set + * @instance: Adapter soft state + * @regs: MFI register set */ static int megasas_check_reset_xscale(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { - u32 consumer; - consumer = *instance->consumer; - - if ((instance->adprecovery != MEGASAS_HBA_OPERATIONAL) && - (*instance->consumer == MEGASAS_ADPRESET_INPROG_SIGN)) { + if ((atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) && + (le32_to_cpu(*instance->consumer) == + MEGASAS_ADPRESET_INPROG_SIGN)) return 1; - } return 0; } @@ -400,24 +620,25 @@ static struct megasas_instance_template megasas_instance_template_xscale = { .issue_dcmd = megasas_issue_dcmd, }; -/** -* This is the end of set of functions & definitions specific -* to xscale (deviceid : 1064R, PERC5) controllers -*/ +/* + * This is the end of set of functions & definitions specific + * to xscale (deviceid : 1064R, PERC5) controllers + */ -/** -* The following functions are defined for ppc (deviceid : 0x60) -* controllers -*/ +/* + * The following functions are defined for ppc (deviceid : 0x60) + * controllers + */ /** * megasas_enable_intr_ppc - Enables interrupts - * @regs: MFI register set + * @instance: Adapter soft state */ static inline void megasas_enable_intr_ppc(struct megasas_instance *instance) { struct megasas_register_set __iomem *regs; + regs = instance->reg_set; writel(0xFFFFFFFF, &(regs)->outbound_doorbell_clear); @@ -429,13 +650,14 @@ megasas_enable_intr_ppc(struct megasas_instance *instance) /** * megasas_disable_intr_ppc - Disable interrupt - * @regs: MFI register set + * @instance: Adapter soft state */ static inline void megasas_disable_intr_ppc(struct megasas_instance *instance) { struct megasas_register_set __iomem *regs; u32 mask = 0xFFFFFFFF; + regs = instance->reg_set; writel(mask, ®s->outbound_intr_mask); /* Dummy readl to force pci flush */ @@ -444,22 +666,24 @@ megasas_disable_intr_ppc(struct megasas_instance *instance) /** * megasas_read_fw_status_reg_ppc - returns the current FW status value - * @regs: MFI register set + * @instance: Adapter soft state */ static u32 -megasas_read_fw_status_reg_ppc(struct megasas_register_set __iomem * regs) +megasas_read_fw_status_reg_ppc(struct megasas_instance *instance) { - return readl(&(regs)->outbound_scratch_pad); + return readl(&instance->reg_set->outbound_scratch_pad_0); } /** - * megasas_clear_interrupt_ppc - Check & clear interrupt - * @regs: MFI register set + * megasas_clear_intr_ppc - Check & clear interrupt + * @instance: Adapter soft state */ static int -megasas_clear_intr_ppc(struct megasas_register_set __iomem * regs) +megasas_clear_intr_ppc(struct megasas_instance *instance) { u32 status, mfiStatus = 0; + struct megasas_register_set __iomem *regs; + regs = instance->reg_set; /* * Check if it is our interrupt @@ -485,9 +709,10 @@ megasas_clear_intr_ppc(struct megasas_register_set __iomem * regs) /** * megasas_fire_cmd_ppc - Sends command to the FW - * @frame_phys_addr : Physical address of cmd - * @frame_count : Number of frames for the command - * @regs : MFI register set + * @instance: Adapter soft state + * @frame_phys_addr: Physical address of cmd + * @frame_count: Number of frames for the command + * @regs: MFI register set */ static inline void megasas_fire_cmd_ppc(struct megasas_instance *instance, @@ -496,6 +721,7 @@ megasas_fire_cmd_ppc(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { unsigned long flags; + spin_lock_irqsave(&instance->hba_lock, flags); writel((frame_phys_addr | (frame_count<<1))|1, &(regs)->inbound_queue_port); @@ -504,13 +730,14 @@ megasas_fire_cmd_ppc(struct megasas_instance *instance, /** * megasas_check_reset_ppc - For controller reset check - * @regs: MFI register set + * @instance: Adapter soft state + * @regs: MFI register set */ static int megasas_check_reset_ppc(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) return 1; return 0; @@ -534,12 +761,13 @@ static struct megasas_instance_template megasas_instance_template_ppc = { /** * megasas_enable_intr_skinny - Enables interrupts - * @regs: MFI register set + * @instance: Adapter soft state */ static inline void megasas_enable_intr_skinny(struct megasas_instance *instance) { struct megasas_register_set __iomem *regs; + regs = instance->reg_set; writel(0xFFFFFFFF, &(regs)->outbound_intr_mask); @@ -551,13 +779,14 @@ megasas_enable_intr_skinny(struct megasas_instance *instance) /** * megasas_disable_intr_skinny - Disables interrupt - * @regs: MFI register set + * @instance: Adapter soft state */ static inline void megasas_disable_intr_skinny(struct megasas_instance *instance) { struct megasas_register_set __iomem *regs; u32 mask = 0xFFFFFFFF; + regs = instance->reg_set; writel(mask, ®s->outbound_intr_mask); /* Dummy readl to force pci flush */ @@ -566,23 +795,25 @@ megasas_disable_intr_skinny(struct megasas_instance *instance) /** * megasas_read_fw_status_reg_skinny - returns the current FW status value - * @regs: MFI register set + * @instance: Adapter soft state */ static u32 -megasas_read_fw_status_reg_skinny(struct megasas_register_set __iomem *regs) +megasas_read_fw_status_reg_skinny(struct megasas_instance *instance) { - return readl(&(regs)->outbound_scratch_pad); + return readl(&instance->reg_set->outbound_scratch_pad_0); } /** - * megasas_clear_interrupt_skinny - Check & clear interrupt - * @regs: MFI register set + * megasas_clear_intr_skinny - Check & clear interrupt + * @instance: Adapter soft state */ static int -megasas_clear_intr_skinny(struct megasas_register_set __iomem *regs) +megasas_clear_intr_skinny(struct megasas_instance *instance) { u32 status; u32 mfiStatus = 0; + struct megasas_register_set __iomem *regs; + regs = instance->reg_set; /* * Check if it is our interrupt @@ -596,7 +827,7 @@ megasas_clear_intr_skinny(struct megasas_register_set __iomem *regs) /* * Check if it is our interrupt */ - if ((megasas_read_fw_status_reg_skinny(regs) & MFI_STATE_MASK) == + if ((megasas_read_fw_status_reg_skinny(instance) & MFI_STATE_MASK) == MFI_STATE_FAULT) { mfiStatus = MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE; } else @@ -608,8 +839,8 @@ megasas_clear_intr_skinny(struct megasas_register_set __iomem *regs) writel(status, ®s->outbound_intr_status); /* - * dummy read to flush PCI - */ + * dummy read to flush PCI + */ readl(®s->outbound_intr_status); return mfiStatus; @@ -617,9 +848,10 @@ megasas_clear_intr_skinny(struct megasas_register_set __iomem *regs) /** * megasas_fire_cmd_skinny - Sends command to the FW - * @frame_phys_addr : Physical address of cmd - * @frame_count : Number of frames for the command - * @regs : MFI register set + * @instance: Adapter soft state + * @frame_phys_addr: Physical address of cmd + * @frame_count: Number of frames for the command + * @regs: MFI register set */ static inline void megasas_fire_cmd_skinny(struct megasas_instance *instance, @@ -628,22 +860,25 @@ megasas_fire_cmd_skinny(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { unsigned long flags; + spin_lock_irqsave(&instance->hba_lock, flags); - writel(0, &(regs)->inbound_high_queue_port); - writel((frame_phys_addr | (frame_count<<1))|1, - &(regs)->inbound_low_queue_port); + writel(upper_32_bits(frame_phys_addr), + &(regs)->inbound_high_queue_port); + writel((lower_32_bits(frame_phys_addr) | (frame_count<<1))|1, + &(regs)->inbound_low_queue_port); spin_unlock_irqrestore(&instance->hba_lock, flags); } /** * megasas_check_reset_skinny - For controller reset check - * @regs: MFI register set + * @instance: Adapter soft state + * @regs: MFI register set */ static int megasas_check_reset_skinny(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) return 1; return 0; @@ -666,19 +901,20 @@ static struct megasas_instance_template megasas_instance_template_skinny = { }; -/** -* The following functions are defined for gen2 (deviceid : 0x78 0x79) -* controllers -*/ +/* + * The following functions are defined for gen2 (deviceid : 0x78 0x79) + * controllers + */ /** * megasas_enable_intr_gen2 - Enables interrupts - * @regs: MFI register set + * @instance: Adapter soft state */ static inline void megasas_enable_intr_gen2(struct megasas_instance *instance) { struct megasas_register_set __iomem *regs; + regs = instance->reg_set; writel(0xFFFFFFFF, &(regs)->outbound_doorbell_clear); @@ -691,13 +927,14 @@ megasas_enable_intr_gen2(struct megasas_instance *instance) /** * megasas_disable_intr_gen2 - Disables interrupt - * @regs: MFI register set + * @instance: Adapter soft state */ static inline void megasas_disable_intr_gen2(struct megasas_instance *instance) { struct megasas_register_set __iomem *regs; u32 mask = 0xFFFFFFFF; + regs = instance->reg_set; writel(mask, ®s->outbound_intr_mask); /* Dummy readl to force pci flush */ @@ -706,23 +943,26 @@ megasas_disable_intr_gen2(struct megasas_instance *instance) /** * megasas_read_fw_status_reg_gen2 - returns the current FW status value - * @regs: MFI register set + * @instance: Adapter soft state */ static u32 -megasas_read_fw_status_reg_gen2(struct megasas_register_set __iomem *regs) +megasas_read_fw_status_reg_gen2(struct megasas_instance *instance) { - return readl(&(regs)->outbound_scratch_pad); + return readl(&instance->reg_set->outbound_scratch_pad_0); } /** - * megasas_clear_interrupt_gen2 - Check & clear interrupt - * @regs: MFI register set + * megasas_clear_intr_gen2 - Check & clear interrupt + * @instance: Adapter soft state */ static int -megasas_clear_intr_gen2(struct megasas_register_set __iomem *regs) +megasas_clear_intr_gen2(struct megasas_instance *instance) { u32 status; u32 mfiStatus = 0; + struct megasas_register_set __iomem *regs; + regs = instance->reg_set; + /* * Check if it is our interrupt */ @@ -746,11 +986,13 @@ megasas_clear_intr_gen2(struct megasas_register_set __iomem *regs) return mfiStatus; } + /** * megasas_fire_cmd_gen2 - Sends command to the FW - * @frame_phys_addr : Physical address of cmd - * @frame_count : Number of frames for the command - * @regs : MFI register set + * @instance: Adapter soft state + * @frame_phys_addr: Physical address of cmd + * @frame_count: Number of frames for the command + * @regs: MFI register set */ static inline void megasas_fire_cmd_gen2(struct megasas_instance *instance, @@ -759,6 +1001,7 @@ megasas_fire_cmd_gen2(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { unsigned long flags; + spin_lock_irqsave(&instance->hba_lock, flags); writel((frame_phys_addr | (frame_count<<1))|1, &(regs)->inbound_queue_port); @@ -767,16 +1010,17 @@ megasas_fire_cmd_gen2(struct megasas_instance *instance, /** * megasas_adp_reset_gen2 - For controller reset - * @regs: MFI register set + * @instance: Adapter soft state + * @reg_set: MFI register set */ static int megasas_adp_reset_gen2(struct megasas_instance *instance, struct megasas_register_set __iomem *reg_set) { - u32 retry = 0 ; - u32 HostDiag; - u32 *seq_offset = ®_set->seq_offset; - u32 *hostdiag_offset = ®_set->host_diag; + u32 retry = 0 ; + u32 HostDiag; + u32 __iomem *seq_offset = ®_set->seq_offset; + u32 __iomem *hostdiag_offset = ®_set->host_diag; if (instance->instancet == &megasas_instance_template_skinny) { seq_offset = ®_set->fusion_seq_offset; @@ -794,10 +1038,10 @@ megasas_adp_reset_gen2(struct megasas_instance *instance, HostDiag = (u32)readl(hostdiag_offset); - while ( !( HostDiag & DIAG_WRITE_ENABLE) ) { + while (!(HostDiag & DIAG_WRITE_ENABLE)) { msleep(100); HostDiag = (u32)readl(hostdiag_offset); - printk(KERN_NOTICE "RESETGEN2: retry=%x, hostdiag=%x\n", + dev_notice(&instance->pdev->dev, "RESETGEN2: retry=%x, hostdiag=%x\n", retry, HostDiag); if (retry++ >= 100) @@ -805,17 +1049,17 @@ megasas_adp_reset_gen2(struct megasas_instance *instance, } - printk(KERN_NOTICE "ADP_RESET_GEN2: HostDiag=%x\n", HostDiag); + dev_notice(&instance->pdev->dev, "ADP_RESET_GEN2: HostDiag=%x\n", HostDiag); writel((HostDiag | DIAG_RESET_ADAPTER), hostdiag_offset); ssleep(10); HostDiag = (u32)readl(hostdiag_offset); - while ( ( HostDiag & DIAG_RESET_ADAPTER) ) { + while (HostDiag & DIAG_RESET_ADAPTER) { msleep(100); HostDiag = (u32)readl(hostdiag_offset); - printk(KERN_NOTICE "RESET_GEN2: retry=%x, hostdiag=%x\n", + dev_notice(&instance->pdev->dev, "RESET_GEN2: retry=%x, hostdiag=%x\n", retry, HostDiag); if (retry++ >= 1000) @@ -827,15 +1071,15 @@ megasas_adp_reset_gen2(struct megasas_instance *instance, /** * megasas_check_reset_gen2 - For controller reset check - * @regs: MFI register set + * @instance: Adapter soft state + * @regs: MFI register set */ static int megasas_check_reset_gen2(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) return 1; - } return 0; } @@ -856,10 +1100,10 @@ static struct megasas_instance_template megasas_instance_template_gen2 = { .issue_dcmd = megasas_issue_dcmd, }; -/** -* This is the end of set of functions & definitions -* specific to gen2 (deviceid : 0x78, 0x79) controllers -*/ +/* + * This is the end of set of functions & definitions + * specific to gen2 (deviceid : 0x78, 0x79) controllers + */ /* * Template added for TB (Fusion) @@ -871,66 +1115,88 @@ extern struct megasas_instance_template megasas_instance_template_fusion; * @instance: Adapter soft state * @cmd: Command packet to be issued * - * For polling, MFI requires the cmd_status to be set to 0xFF before posting. + * For polling, MFI requires the cmd_status to be set to MFI_STAT_INVALID_STATUS before posting. */ int megasas_issue_polled(struct megasas_instance *instance, struct megasas_cmd *cmd) { - struct megasas_header *frame_hdr = &cmd->frame->hdr; - frame_hdr->cmd_status = 0xFF; - frame_hdr->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE; + frame_hdr->cmd_status = MFI_STAT_INVALID_STATUS; + frame_hdr->flags |= cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE); + + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { + dev_err(&instance->pdev->dev, "Failed from %s %d\n", + __func__, __LINE__); + return DCMD_INIT; + } - /* - * Issue the frame using inbound queue port - */ instance->instancet->issue_dcmd(instance, cmd); - /* - * Wait for cmd_status to change - */ - return wait_and_poll(instance, cmd); + return wait_and_poll(instance, cmd, instance->requestorId ? + MEGASAS_ROUTINE_WAIT_TIME_VF : MFI_IO_TIMEOUT_SECS); } /** * megasas_issue_blocked_cmd - Synchronous wrapper around regular FW cmds * @instance: Adapter soft state * @cmd: Command to be issued + * @timeout: Timeout in seconds * * This function waits on an event for the command to be returned from ISR. * Max wait time is MEGASAS_INTERNAL_CMD_WAIT_TIME secs * Used to issue ioctl commands. */ -static int +int megasas_issue_blocked_cmd(struct megasas_instance *instance, - struct megasas_cmd *cmd) + struct megasas_cmd *cmd, int timeout) { - cmd->cmd_status = ENODATA; + int ret = 0; + cmd->cmd_status_drv = DCMD_INIT; + + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { + dev_err(&instance->pdev->dev, "Failed from %s %d\n", + __func__, __LINE__); + return DCMD_INIT; + } instance->instancet->issue_dcmd(instance, cmd); - wait_event(instance->int_cmd_wait_q, cmd->cmd_status != ENODATA); + if (timeout) { + ret = wait_event_timeout(instance->int_cmd_wait_q, + cmd->cmd_status_drv != DCMD_INIT, timeout * HZ); + if (!ret) { + dev_err(&instance->pdev->dev, + "DCMD(opcode: 0x%x) is timed out, func:%s\n", + cmd->frame->dcmd.opcode, __func__); + return DCMD_TIMEOUT; + } + } else + wait_event(instance->int_cmd_wait_q, + cmd->cmd_status_drv != DCMD_INIT); - return 0; + return cmd->cmd_status_drv; } /** * megasas_issue_blocked_abort_cmd - Aborts previously issued cmd * @instance: Adapter soft state * @cmd_to_abort: Previously issued cmd to be aborted + * @timeout: Timeout in seconds * - * MFI firmware can abort previously issued AEN command (automatic event + * MFI firmware can abort previously issued AEN comamnd (automatic event * notification). The megasas_issue_blocked_abort_cmd() issues such abort * cmd and waits for return status. * Max wait time is MEGASAS_INTERNAL_CMD_WAIT_TIME secs */ static int megasas_issue_blocked_abort_cmd(struct megasas_instance *instance, - struct megasas_cmd *cmd_to_abort) + struct megasas_cmd *cmd_to_abort, int timeout) { struct megasas_cmd *cmd; struct megasas_abort_frame *abort_fr; + int ret = 0; + u32 opcode; cmd = megasas_get_cmd(instance); @@ -943,25 +1209,43 @@ megasas_issue_blocked_abort_cmd(struct megasas_instance *instance, * Prepare and issue the abort frame */ abort_fr->cmd = MFI_CMD_ABORT; - abort_fr->cmd_status = 0xFF; - abort_fr->flags = 0; - abort_fr->abort_context = cmd_to_abort->index; - abort_fr->abort_mfi_phys_addr_lo = cmd_to_abort->frame_phys_addr; - abort_fr->abort_mfi_phys_addr_hi = 0; + abort_fr->cmd_status = MFI_STAT_INVALID_STATUS; + abort_fr->flags = cpu_to_le16(0); + abort_fr->abort_context = cpu_to_le32(cmd_to_abort->index); + abort_fr->abort_mfi_phys_addr_lo = + cpu_to_le32(lower_32_bits(cmd_to_abort->frame_phys_addr)); + abort_fr->abort_mfi_phys_addr_hi = + cpu_to_le32(upper_32_bits(cmd_to_abort->frame_phys_addr)); cmd->sync_cmd = 1; - cmd->cmd_status = 0xFF; + cmd->cmd_status_drv = DCMD_INIT; + + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { + dev_err(&instance->pdev->dev, "Failed from %s %d\n", + __func__, __LINE__); + return DCMD_INIT; + } instance->instancet->issue_dcmd(instance, cmd); - /* - * Wait for this cmd to complete - */ - wait_event(instance->abort_cmd_wait_q, cmd->cmd_status != 0xFF); + if (timeout) { + ret = wait_event_timeout(instance->abort_cmd_wait_q, + cmd->cmd_status_drv != DCMD_INIT, timeout * HZ); + if (!ret) { + opcode = cmd_to_abort->frame->dcmd.opcode; + dev_err(&instance->pdev->dev, + "Abort(to be aborted DCMD opcode: 0x%x) is timed out func:%s\n", + opcode, __func__); + return DCMD_TIMEOUT; + } + } else + wait_event(instance->abort_cmd_wait_q, + cmd->cmd_status_drv != DCMD_INIT); + cmd->sync_cmd = 0; megasas_return_cmd(instance, cmd); - return 0; + return cmd->cmd_status_drv; } /** @@ -986,8 +1270,8 @@ megasas_make_sgl32(struct megasas_instance *instance, struct scsi_cmnd *scp, if (sge_count) { scsi_for_each_sg(scp, os_sgl, sge_count, i) { - mfi_sgl->sge32[i].length = sg_dma_len(os_sgl); - mfi_sgl->sge32[i].phys_addr = sg_dma_address(os_sgl); + mfi_sgl->sge32[i].length = cpu_to_le32(sg_dma_len(os_sgl)); + mfi_sgl->sge32[i].phys_addr = cpu_to_le32(sg_dma_address(os_sgl)); } } return sge_count; @@ -1015,8 +1299,8 @@ megasas_make_sgl64(struct megasas_instance *instance, struct scsi_cmnd *scp, if (sge_count) { scsi_for_each_sg(scp, os_sgl, sge_count, i) { - mfi_sgl->sge64[i].length = sg_dma_len(os_sgl); - mfi_sgl->sge64[i].phys_addr = sg_dma_address(os_sgl); + mfi_sgl->sge64[i].length = cpu_to_le32(sg_dma_len(os_sgl)); + mfi_sgl->sge64[i].phys_addr = cpu_to_le64(sg_dma_address(os_sgl)); } } return sge_count; @@ -1043,10 +1327,11 @@ megasas_make_sgl_skinny(struct megasas_instance *instance, if (sge_count) { scsi_for_each_sg(scp, os_sgl, sge_count, i) { - mfi_sgl->sge_skinny[i].length = sg_dma_len(os_sgl); + mfi_sgl->sge_skinny[i].length = + cpu_to_le32(sg_dma_len(os_sgl)); mfi_sgl->sge_skinny[i].phys_addr = - sg_dma_address(os_sgl); - mfi_sgl->sge_skinny[i].flag = 0; + cpu_to_le64(sg_dma_address(os_sgl)); + mfi_sgl->sge_skinny[i].flag = cpu_to_le32(0); } } return sge_count; @@ -1066,7 +1351,7 @@ static u32 megasas_get_frame_count(struct megasas_instance *instance, int num_cnt; int sge_bytes; u32 sge_sz; - u32 frame_count=0; + u32 frame_count = 0; sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) : sizeof(struct megasas_sge32); @@ -1097,14 +1382,14 @@ static u32 megasas_get_frame_count(struct megasas_instance *instance, num_cnt = sge_count - 3; } - if(num_cnt>0){ + if (num_cnt > 0) { sge_bytes = sge_sz * num_cnt; frame_count = (sge_bytes / MEGAMFI_FRAME_SIZE) + ((sge_bytes % MEGAMFI_FRAME_SIZE) ? 1 : 0) ; } /* Main frame */ - frame_count +=1; + frame_count += 1; if (frame_count > 7) frame_count = 8; @@ -1129,15 +1414,15 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp, u16 flags = 0; struct megasas_pthru_frame *pthru; - is_logical = MEGASAS_IS_LOGICAL(scp); - device_id = MEGASAS_DEV_INDEX(instance, scp); + is_logical = MEGASAS_IS_LOGICAL(scp->device); + device_id = MEGASAS_DEV_INDEX(scp); pthru = (struct megasas_pthru_frame *)cmd->frame; - if (scp->sc_data_direction == PCI_DMA_TODEVICE) + if (scp->sc_data_direction == DMA_TO_DEVICE) flags = MFI_FRAME_DIR_WRITE; - else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) + else if (scp->sc_data_direction == DMA_FROM_DEVICE) flags = MFI_FRAME_DIR_READ; - else if (scp->sc_data_direction == PCI_DMA_NONE) + else if (scp->sc_data_direction == DMA_NONE) flags = MFI_FRAME_DIR_NONE; if (instance->flag_ieee == 1) { @@ -1155,31 +1440,31 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp, pthru->cdb_len = scp->cmd_len; pthru->timeout = 0; pthru->pad_0 = 0; - pthru->flags = flags; - pthru->data_xfer_len = scsi_bufflen(scp); + pthru->flags = cpu_to_le16(flags); + pthru->data_xfer_len = cpu_to_le32(scsi_bufflen(scp)); memcpy(pthru->cdb, scp->cmnd, scp->cmd_len); /* - * If the command is for the tape device, set the - * pthru timeout to the os layer timeout value. - */ + * If the command is for the tape device, set the + * pthru timeout to the os layer timeout value. + */ if (scp->device->type == TYPE_TAPE) { - if ((scp->request->timeout / HZ) > 0xFFFF) - pthru->timeout = 0xFFFF; + if (scsi_cmd_to_rq(scp)->timeout / HZ > 0xFFFF) + pthru->timeout = cpu_to_le16(0xFFFF); else - pthru->timeout = scp->request->timeout / HZ; + pthru->timeout = cpu_to_le16(scsi_cmd_to_rq(scp)->timeout / HZ); } /* * Construct SGL */ if (instance->flag_ieee == 1) { - pthru->flags |= MFI_FRAME_SGL64; + pthru->flags |= cpu_to_le16(MFI_FRAME_SGL64); pthru->sge_count = megasas_make_sgl_skinny(instance, scp, &pthru->sgl); } else if (IS_DMA64) { - pthru->flags |= MFI_FRAME_SGL64; + pthru->flags |= cpu_to_le16(MFI_FRAME_SGL64); pthru->sge_count = megasas_make_sgl64(instance, scp, &pthru->sgl); } else @@ -1187,7 +1472,7 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp, &pthru->sgl); if (pthru->sge_count > instance->max_num_sge) { - printk(KERN_ERR "megasas: DCDB two many SGE NUM=%x\n", + dev_err(&instance->pdev->dev, "DCDB too many SGE NUM=%x\n", pthru->sge_count); return 0; } @@ -1196,8 +1481,10 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp, * Sense info specific */ pthru->sense_len = SCSI_SENSE_BUFFERSIZE; - pthru->sense_buf_phys_addr_hi = 0; - pthru->sense_buf_phys_addr_lo = cmd->sense_phys_addr; + pthru->sense_buf_phys_addr_hi = + cpu_to_le32(upper_32_bits(cmd->sense_phys_addr)); + pthru->sense_buf_phys_addr_lo = + cpu_to_le32(lower_32_bits(cmd->sense_phys_addr)); /* * Compute the total number of frames this command consumes. FW uses @@ -1226,12 +1513,12 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp, u16 flags = 0; struct megasas_io_frame *ldio; - device_id = MEGASAS_DEV_INDEX(instance, scp); + device_id = MEGASAS_DEV_INDEX(scp); ldio = (struct megasas_io_frame *)cmd->frame; - if (scp->sc_data_direction == PCI_DMA_TODEVICE) + if (scp->sc_data_direction == DMA_TO_DEVICE) flags = MFI_FRAME_DIR_WRITE; - else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) + else if (scp->sc_data_direction == DMA_FROM_DEVICE) flags = MFI_FRAME_DIR_READ; if (instance->flag_ieee == 1) { @@ -1248,7 +1535,7 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp, ldio->timeout = 0; ldio->reserved_0 = 0; ldio->pad_0 = 0; - ldio->flags = flags; + ldio->flags = cpu_to_le16(flags); ldio->start_lba_hi = 0; ldio->access_byte = (scp->cmd_len != 6) ? scp->cmnd[1] : 0; @@ -1256,52 +1543,59 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp, * 6-byte READ(0x08) or WRITE(0x0A) cdb */ if (scp->cmd_len == 6) { - ldio->lba_count = (u32) scp->cmnd[4]; - ldio->start_lba_lo = ((u32) scp->cmnd[1] << 16) | - ((u32) scp->cmnd[2] << 8) | (u32) scp->cmnd[3]; + ldio->lba_count = cpu_to_le32((u32) scp->cmnd[4]); + ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[1] << 16) | + ((u32) scp->cmnd[2] << 8) | + (u32) scp->cmnd[3]); - ldio->start_lba_lo &= 0x1FFFFF; + ldio->start_lba_lo &= cpu_to_le32(0x1FFFFF); } /* * 10-byte READ(0x28) or WRITE(0x2A) cdb */ else if (scp->cmd_len == 10) { - ldio->lba_count = (u32) scp->cmnd[8] | - ((u32) scp->cmnd[7] << 8); - ldio->start_lba_lo = ((u32) scp->cmnd[2] << 24) | - ((u32) scp->cmnd[3] << 16) | - ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; + ldio->lba_count = cpu_to_le32((u32) scp->cmnd[8] | + ((u32) scp->cmnd[7] << 8)); + ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[2] << 24) | + ((u32) scp->cmnd[3] << 16) | + ((u32) scp->cmnd[4] << 8) | + (u32) scp->cmnd[5]); } /* * 12-byte READ(0xA8) or WRITE(0xAA) cdb */ else if (scp->cmd_len == 12) { - ldio->lba_count = ((u32) scp->cmnd[6] << 24) | - ((u32) scp->cmnd[7] << 16) | - ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; + ldio->lba_count = cpu_to_le32(((u32) scp->cmnd[6] << 24) | + ((u32) scp->cmnd[7] << 16) | + ((u32) scp->cmnd[8] << 8) | + (u32) scp->cmnd[9]); - ldio->start_lba_lo = ((u32) scp->cmnd[2] << 24) | - ((u32) scp->cmnd[3] << 16) | - ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; + ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[2] << 24) | + ((u32) scp->cmnd[3] << 16) | + ((u32) scp->cmnd[4] << 8) | + (u32) scp->cmnd[5]); } /* * 16-byte READ(0x88) or WRITE(0x8A) cdb */ else if (scp->cmd_len == 16) { - ldio->lba_count = ((u32) scp->cmnd[10] << 24) | - ((u32) scp->cmnd[11] << 16) | - ((u32) scp->cmnd[12] << 8) | (u32) scp->cmnd[13]; + ldio->lba_count = cpu_to_le32(((u32) scp->cmnd[10] << 24) | + ((u32) scp->cmnd[11] << 16) | + ((u32) scp->cmnd[12] << 8) | + (u32) scp->cmnd[13]); - ldio->start_lba_lo = ((u32) scp->cmnd[6] << 24) | - ((u32) scp->cmnd[7] << 16) | - ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; + ldio->start_lba_lo = cpu_to_le32(((u32) scp->cmnd[6] << 24) | + ((u32) scp->cmnd[7] << 16) | + ((u32) scp->cmnd[8] << 8) | + (u32) scp->cmnd[9]); - ldio->start_lba_hi = ((u32) scp->cmnd[2] << 24) | - ((u32) scp->cmnd[3] << 16) | - ((u32) scp->cmnd[4] << 8) | (u32) scp->cmnd[5]; + ldio->start_lba_hi = cpu_to_le32(((u32) scp->cmnd[2] << 24) | + ((u32) scp->cmnd[3] << 16) | + ((u32) scp->cmnd[4] << 8) | + (u32) scp->cmnd[5]); } @@ -1309,17 +1603,17 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp, * Construct SGL */ if (instance->flag_ieee) { - ldio->flags |= MFI_FRAME_SGL64; + ldio->flags |= cpu_to_le16(MFI_FRAME_SGL64); ldio->sge_count = megasas_make_sgl_skinny(instance, scp, &ldio->sgl); } else if (IS_DMA64) { - ldio->flags |= MFI_FRAME_SGL64; + ldio->flags |= cpu_to_le16(MFI_FRAME_SGL64); ldio->sge_count = megasas_make_sgl64(instance, scp, &ldio->sgl); } else ldio->sge_count = megasas_make_sgl32(instance, scp, &ldio->sgl); if (ldio->sge_count > instance->max_num_sge) { - printk(KERN_ERR "megasas: build_ld_io: sge_count = %x\n", + dev_err(&instance->pdev->dev, "build_ld_io: sge_count = %x\n", ldio->sge_count); return 0; } @@ -1329,7 +1623,7 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp, */ ldio->sense_len = SCSI_SENSE_BUFFERSIZE; ldio->sense_buf_phys_addr_hi = 0; - ldio->sense_buf_phys_addr_lo = cmd->sense_phys_addr; + ldio->sense_buf_phys_addr_lo = cpu_to_le32(cmd->sense_phys_addr); /* * Compute the total number of frames this command consumes. FW uses @@ -1342,16 +1636,15 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp, } /** - * megasas_is_ldio - Checks if the cmd is for logical drive - * @scmd: SCSI command + * megasas_cmd_type - Checks if the cmd is for logical drive/sysPD + * and whether it's RW or non RW + * @cmd: SCSI command * - * Called by megasas_queue_command to find out if the command to be queued - * is a logical drive command */ -inline int megasas_is_ldio(struct scsi_cmnd *cmd) +inline int megasas_cmd_type(struct scsi_cmnd *cmd) { - if (!MEGASAS_IS_LOGICAL(cmd)) - return 0; + int ret; + switch (cmd->cmnd[0]) { case READ_10: case WRITE_10: @@ -1361,15 +1654,19 @@ inline int megasas_is_ldio(struct scsi_cmnd *cmd) case WRITE_6: case READ_16: case WRITE_16: - return 1; + ret = (MEGASAS_IS_LOGICAL(cmd->device)) ? + READ_WRITE_LDIO : READ_WRITE_SYSPDIO; + break; default: - return 0; + ret = (MEGASAS_IS_LOGICAL(cmd->device)) ? + NON_READ_WRITE_LDIO : NON_READ_WRITE_SYSPDIO; } + return ret; } /** * megasas_dump_pending_frames - Dumps the frame address of all pending cmds - * in FW + * in FW * @instance: Adapter soft state */ static inline void @@ -1381,53 +1678,62 @@ megasas_dump_pending_frames(struct megasas_instance *instance) struct megasas_io_frame *ldio; struct megasas_pthru_frame *pthru; u32 sgcount; - u32 max_cmd = instance->max_fw_cmds; + u16 max_cmd = instance->max_fw_cmds; - printk(KERN_ERR "\nmegasas[%d]: Dumping Frame Phys Address of all pending cmds in FW\n",instance->host->host_no); - printk(KERN_ERR "megasas[%d]: Total OS Pending cmds : %d\n",instance->host->host_no,atomic_read(&instance->fw_outstanding)); + dev_err(&instance->pdev->dev, "[%d]: Dumping Frame Phys Address of all pending cmds in FW\n",instance->host->host_no); + dev_err(&instance->pdev->dev, "[%d]: Total OS Pending cmds : %d\n",instance->host->host_no,atomic_read(&instance->fw_outstanding)); if (IS_DMA64) - printk(KERN_ERR "\nmegasas[%d]: 64 bit SGLs were sent to FW\n",instance->host->host_no); + dev_err(&instance->pdev->dev, "[%d]: 64 bit SGLs were sent to FW\n",instance->host->host_no); else - printk(KERN_ERR "\nmegasas[%d]: 32 bit SGLs were sent to FW\n",instance->host->host_no); + dev_err(&instance->pdev->dev, "[%d]: 32 bit SGLs were sent to FW\n",instance->host->host_no); - printk(KERN_ERR "megasas[%d]: Pending OS cmds in FW : \n",instance->host->host_no); + dev_err(&instance->pdev->dev, "[%d]: Pending OS cmds in FW : \n",instance->host->host_no); for (i = 0; i < max_cmd; i++) { cmd = instance->cmd_list[i]; - if(!cmd->scmd) + if (!cmd->scmd) continue; - printk(KERN_ERR "megasas[%d]: Frame addr :0x%08lx : ",instance->host->host_no,(unsigned long)cmd->frame_phys_addr); - if (megasas_is_ldio(cmd->scmd)){ + dev_err(&instance->pdev->dev, "[%d]: Frame addr :0x%08lx : ",instance->host->host_no,(unsigned long)cmd->frame_phys_addr); + if (megasas_cmd_type(cmd->scmd) == READ_WRITE_LDIO) { ldio = (struct megasas_io_frame *)cmd->frame; mfi_sgl = &ldio->sgl; sgcount = ldio->sge_count; - printk(KERN_ERR "megasas[%d]: frame count : 0x%x, Cmd : 0x%x, Tgt id : 0x%x, lba lo : 0x%x, lba_hi : 0x%x, sense_buf addr : 0x%x,sge count : 0x%x\n",instance->host->host_no, cmd->frame_count,ldio->cmd,ldio->target_id, ldio->start_lba_lo,ldio->start_lba_hi,ldio->sense_buf_phys_addr_lo,sgcount); - } - else { + dev_err(&instance->pdev->dev, "[%d]: frame count : 0x%x, Cmd : 0x%x, Tgt id : 0x%x," + " lba lo : 0x%x, lba_hi : 0x%x, sense_buf addr : 0x%x,sge count : 0x%x\n", + instance->host->host_no, cmd->frame_count, ldio->cmd, ldio->target_id, + le32_to_cpu(ldio->start_lba_lo), le32_to_cpu(ldio->start_lba_hi), + le32_to_cpu(ldio->sense_buf_phys_addr_lo), sgcount); + } else { pthru = (struct megasas_pthru_frame *) cmd->frame; mfi_sgl = &pthru->sgl; sgcount = pthru->sge_count; - printk(KERN_ERR "megasas[%d]: frame count : 0x%x, Cmd : 0x%x, Tgt id : 0x%x, lun : 0x%x, cdb_len : 0x%x, data xfer len : 0x%x, sense_buf addr : 0x%x,sge count : 0x%x\n",instance->host->host_no,cmd->frame_count,pthru->cmd,pthru->target_id,pthru->lun,pthru->cdb_len , pthru->data_xfer_len,pthru->sense_buf_phys_addr_lo,sgcount); + dev_err(&instance->pdev->dev, "[%d]: frame count : 0x%x, Cmd : 0x%x, Tgt id : 0x%x, " + "lun : 0x%x, cdb_len : 0x%x, data xfer len : 0x%x, sense_buf addr : 0x%x,sge count : 0x%x\n", + instance->host->host_no, cmd->frame_count, pthru->cmd, pthru->target_id, + pthru->lun, pthru->cdb_len, le32_to_cpu(pthru->data_xfer_len), + le32_to_cpu(pthru->sense_buf_phys_addr_lo), sgcount); } - if(megasas_dbg_lvl & MEGASAS_DBG_LVL){ - for (n = 0; n < sgcount; n++){ - if (IS_DMA64) - printk(KERN_ERR "megasas: sgl len : 0x%x, sgl addr : 0x%08lx ",mfi_sgl->sge64[n].length , (unsigned long)mfi_sgl->sge64[n].phys_addr) ; - else - printk(KERN_ERR "megasas: sgl len : 0x%x, sgl addr : 0x%x ",mfi_sgl->sge32[n].length , mfi_sgl->sge32[n].phys_addr) ; + if (megasas_dbg_lvl & MEGASAS_DBG_LVL) { + for (n = 0; n < sgcount; n++) { + if (IS_DMA64) + dev_err(&instance->pdev->dev, "sgl len : 0x%x, sgl addr : 0x%llx\n", + le32_to_cpu(mfi_sgl->sge64[n].length), + le64_to_cpu(mfi_sgl->sge64[n].phys_addr)); + else + dev_err(&instance->pdev->dev, "sgl len : 0x%x, sgl addr : 0x%x\n", + le32_to_cpu(mfi_sgl->sge32[n].length), + le32_to_cpu(mfi_sgl->sge32[n].phys_addr)); } } - printk(KERN_ERR "\n"); } /*for max_cmd*/ - printk(KERN_ERR "\nmegasas[%d]: Pending Internal cmds in FW : \n",instance->host->host_no); + dev_err(&instance->pdev->dev, "[%d]: Pending Internal cmds in FW : \n",instance->host->host_no); for (i = 0; i < max_cmd; i++) { cmd = instance->cmd_list[i]; - if(cmd->sync_cmd == 1){ - printk(KERN_ERR "0x%08lx : ", (unsigned long)cmd->frame_phys_addr); - } + if (cmd->sync_cmd == 1) + dev_err(&instance->pdev->dev, "0x%08lx : ", (unsigned long)cmd->frame_phys_addr); } - printk(KERN_ERR "megasas[%d]: Dumping Done.\n\n",instance->host->host_no); + dev_err(&instance->pdev->dev, "[%d]: Dumping Done\n\n",instance->host->host_no); } u32 @@ -1444,7 +1750,7 @@ megasas_build_and_issue_cmd(struct megasas_instance *instance, /* * Logical drive command */ - if (megasas_is_ldio(scmd)) + if (megasas_cmd_type(scmd) == READ_WRITE_LDIO) frame_count = megasas_build_ldio(instance, scmd, cmd); else frame_count = megasas_build_dcdb(instance, scmd, cmd); @@ -1453,7 +1759,7 @@ megasas_build_and_issue_cmd(struct megasas_instance *instance, goto out_return_cmd; cmd->scmd = scmd; - scmd->SCp.ptr = (char *)cmd; + megasas_priv(scmd)->cmd_priv = cmd; /* * Issue the command to the FW @@ -1466,78 +1772,94 @@ megasas_build_and_issue_cmd(struct megasas_instance *instance, return 0; out_return_cmd: megasas_return_cmd(instance, cmd); - return 1; + return SCSI_MLQUEUE_HOST_BUSY; } /** * megasas_queue_command - Queue entry point + * @shost: adapter SCSI host * @scmd: SCSI command to be queued - * @done: Callback entry point */ static int -megasas_queue_command_lck(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *)) +megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) { struct megasas_instance *instance; - unsigned long flags; + struct MR_PRIV_DEVICE *mr_device_priv_data; + u32 ld_tgt_id; instance = (struct megasas_instance *) scmd->device->host->hostdata; + if (instance->unload == 1) { + scmd->result = DID_NO_CONNECT << 16; + scsi_done(scmd); + return 0; + } + if (instance->issuepend_done == 0) return SCSI_MLQUEUE_HOST_BUSY; - spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { - spin_unlock_irqrestore(&instance->hba_lock, flags); - scmd->result = DID_ERROR << 16; - done(scmd); + /* Check for an mpio path and adjust behavior */ + if (atomic_read(&instance->adprecovery) == MEGASAS_ADPRESET_SM_INFAULT) { + if (megasas_check_mpio_paths(instance, scmd) == + (DID_REQUEUE << 16)) { + return SCSI_MLQUEUE_HOST_BUSY; + } else { + scmd->result = DID_NO_CONNECT << 16; + scsi_done(scmd); + return 0; + } + } + + mr_device_priv_data = scmd->device->hostdata; + if (!mr_device_priv_data || + (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR)) { + scmd->result = DID_NO_CONNECT << 16; + scsi_done(scmd); return 0; } - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { - spin_unlock_irqrestore(&instance->hba_lock, flags); - return SCSI_MLQUEUE_HOST_BUSY; + if (MEGASAS_IS_LOGICAL(scmd->device)) { + ld_tgt_id = MEGASAS_TARGET_ID(scmd->device); + if (instance->ld_tgtid_status[ld_tgt_id] == LD_TARGET_ID_DELETED) { + scmd->result = DID_NO_CONNECT << 16; + scsi_done(scmd); + return 0; + } } - spin_unlock_irqrestore(&instance->hba_lock, flags); + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) + return SCSI_MLQUEUE_HOST_BUSY; + + if (mr_device_priv_data->tm_busy) + return SCSI_MLQUEUE_DEVICE_BUSY; + - scmd->scsi_done = done; scmd->result = 0; - if (MEGASAS_IS_LOGICAL(scmd) && - (scmd->device->id >= MEGASAS_MAX_LD || scmd->device->lun)) { + if (MEGASAS_IS_LOGICAL(scmd->device) && + (scmd->device->id >= instance->fw_supported_vd_count || + scmd->device->lun)) { scmd->result = DID_BAD_TARGET << 16; goto out_done; } - switch (scmd->cmnd[0]) { - case SYNCHRONIZE_CACHE: - /* - * FW takes care of flush cache on its own - * No need to send it down - */ + if ((scmd->cmnd[0] == SYNCHRONIZE_CACHE) && + MEGASAS_IS_LOGICAL(scmd->device) && + (!instance->fw_sync_cache_support)) { scmd->result = DID_OK << 16; goto out_done; - default: - break; - } - - if (instance->instancet->build_and_issue_cmd(instance, scmd)) { - printk(KERN_ERR "megasas: Err returned from build_and_issue_cmd\n"); - return SCSI_MLQUEUE_HOST_BUSY; } - return 0; + return instance->instancet->build_and_issue_cmd(instance, scmd); out_done: - done(scmd); + scsi_done(scmd); return 0; } -static DEF_SCSI_QCMD(megasas_queue_command) - static struct megasas_instance *megasas_lookup_instance(u16 host_no) { int i; @@ -1552,76 +1874,378 @@ static struct megasas_instance *megasas_lookup_instance(u16 host_no) return NULL; } -static int megasas_slave_configure(struct scsi_device *sdev) +/* +* megasas_set_dynamic_target_properties - +* Device property set by driver may not be static and it is required to be +* updated after OCR +* +* set tm_capable. +* set dma alignment (only for eedp protection enable vd). +* +* @sdev: OS provided scsi device +* +* Returns void +*/ +void megasas_set_dynamic_target_properties(struct scsi_device *sdev, + struct queue_limits *lim, bool is_target_prop) { - u16 pd_index = 0; - struct megasas_instance *instance ; + u16 pd_index = 0, ld; + u32 device_id; + struct megasas_instance *instance; + struct fusion_context *fusion; + struct MR_PRIV_DEVICE *mr_device_priv_data; + struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync; + struct MR_LD_RAID *raid; + struct MR_DRV_RAID_MAP_ALL *local_map_ptr; instance = megasas_lookup_instance(sdev->host->host_no); + fusion = instance->ctrl_context; + mr_device_priv_data = sdev->hostdata; - /* - * Don't export physical disk devices to the disk driver. - * - * FIXME: Currently we don't export them to the midlayer at all. - * That will be fixed once LSI engineers have audited the - * firmware for possible issues. - */ - if (sdev->channel < MEGASAS_MAX_PD_CHANNELS && - sdev->type == TYPE_DISK) { - pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + - sdev->id; - if (instance->pd_list[pd_index].driveState == - MR_PD_STATE_SYSTEM) { - blk_queue_rq_timeout(sdev->request_queue, - MEGASAS_DEFAULT_CMD_TIMEOUT * HZ); - return 0; + if (!fusion || !mr_device_priv_data) + return; + + if (MEGASAS_IS_LOGICAL(sdev)) { + device_id = ((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + + sdev->id; + local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)]; + ld = MR_TargetIdToLdGet(device_id, local_map_ptr); + if (ld >= instance->fw_supported_vd_count) + return; + raid = MR_LdRaidGet(ld, local_map_ptr); + + if (raid->capability.ldPiMode == MR_PROT_INFO_TYPE_CONTROLLER) { + if (lim) + lim->dma_alignment = 0x7; } - return -ENXIO; + + mr_device_priv_data->is_tm_capable = + raid->capability.tmCapable; + + if (!raid->flags.isEPD) + sdev->no_write_same = 1; + + } else if (instance->use_seqnum_jbod_fp) { + pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + + sdev->id; + pd_sync = (void *)fusion->pd_seq_sync + [(instance->pd_seq_map_id - 1) & 1]; + mr_device_priv_data->is_tm_capable = + pd_sync->seq[pd_index].capability.tmCapable; } + if (is_target_prop && instance->tgt_prop->reset_tmo) { + /* + * If FW provides a target reset timeout value, driver will use + * it. If not set, fallback to default values. + */ + mr_device_priv_data->target_reset_tmo = + min_t(u8, instance->max_reset_tmo, + instance->tgt_prop->reset_tmo); + mr_device_priv_data->task_abort_tmo = instance->task_abort_tmo; + } else { + mr_device_priv_data->target_reset_tmo = + MEGASAS_DEFAULT_TM_TIMEOUT; + mr_device_priv_data->task_abort_tmo = + MEGASAS_DEFAULT_TM_TIMEOUT; + } +} + +/* + * megasas_set_nvme_device_properties - + * set nomerges=2 + * set virtual page boundary = 4K (current mr_nvme_pg_size is 4K). + * set maximum io transfer = MDTS of NVME device provided by MR firmware. + * + * MR firmware provides value in KB. Caller of this function converts + * kb into bytes. + * + * e.a MDTS=5 means 2^5 * nvme page size. (In case of 4K page size, + * MR firmware provides value 128 as (32 * 4K) = 128K. + * + * @sdev: scsi device + * @max_io_size: maximum io transfer size + * + */ +static inline void +megasas_set_nvme_device_properties(struct scsi_device *sdev, + struct queue_limits *lim, u32 max_io_size) +{ + struct megasas_instance *instance; + u32 mr_nvme_pg_size; + + instance = (struct megasas_instance *)sdev->host->hostdata; + mr_nvme_pg_size = max_t(u32, instance->nvme_page_size, + MR_DEFAULT_NVME_PAGE_SIZE); + + lim->max_hw_sectors = max_io_size / 512; + lim->virt_boundary_mask = mr_nvme_pg_size - 1; +} + +/* + * megasas_set_fw_assisted_qd - + * set device queue depth to can_queue + * set device queue depth to fw assisted qd + * + * @sdev: scsi device + * @is_target_prop true, if fw provided target properties. + */ +static void megasas_set_fw_assisted_qd(struct scsi_device *sdev, + bool is_target_prop) +{ + u8 interface_type; + u32 device_qd = MEGASAS_DEFAULT_CMD_PER_LUN; + u32 tgt_device_qd; + struct megasas_instance *instance; + struct MR_PRIV_DEVICE *mr_device_priv_data; + + instance = megasas_lookup_instance(sdev->host->host_no); + mr_device_priv_data = sdev->hostdata; + interface_type = mr_device_priv_data->interface_type; + + switch (interface_type) { + case SAS_PD: + device_qd = MEGASAS_SAS_QD; + break; + case SATA_PD: + device_qd = MEGASAS_SATA_QD; + break; + case NVME_PD: + device_qd = MEGASAS_NVME_QD; + break; + } + + if (is_target_prop) { + tgt_device_qd = le32_to_cpu(instance->tgt_prop->device_qdepth); + if (tgt_device_qd) + device_qd = min(instance->host->can_queue, + (int)tgt_device_qd); + } + + if (instance->enable_sdev_max_qd && interface_type != UNKNOWN_DRIVE) + device_qd = instance->host->can_queue; + + scsi_change_queue_depth(sdev, device_qd); +} + +/* + * megasas_set_static_target_properties - + * Device property set by driver are static and it is not required to be + * updated after OCR. + * + * set io timeout + * set device queue depth + * set nvme device properties. see - megasas_set_nvme_device_properties + * + * @sdev: scsi device + * @is_target_prop true, if fw provided target properties. + */ +static void megasas_set_static_target_properties(struct scsi_device *sdev, + struct queue_limits *lim, bool is_target_prop) +{ + u32 max_io_size_kb = MR_DEFAULT_NVME_MDTS_KB; + struct megasas_instance *instance; + + instance = megasas_lookup_instance(sdev->host->host_no); + /* - * The RAID firmware may require extended timeouts. - */ - blk_queue_rq_timeout(sdev->request_queue, - MEGASAS_DEFAULT_CMD_TIMEOUT * HZ); + * The RAID firmware may require extended timeouts. + */ + blk_queue_rq_timeout(sdev->request_queue, scmd_timeout * HZ); + + /* max_io_size_kb will be set to non zero for + * nvme based vd and syspd. + */ + if (is_target_prop) + max_io_size_kb = le32_to_cpu(instance->tgt_prop->max_io_size_kb); + + if (instance->nvme_page_size && max_io_size_kb) + megasas_set_nvme_device_properties(sdev, lim, + max_io_size_kb << 10); + + megasas_set_fw_assisted_qd(sdev, is_target_prop); +} + + +static int megasas_sdev_configure(struct scsi_device *sdev, + struct queue_limits *lim) +{ + u16 pd_index = 0; + struct megasas_instance *instance; + int ret_target_prop = DCMD_FAILED; + bool is_target_prop = false; + + instance = megasas_lookup_instance(sdev->host->host_no); + if (instance->pd_list_not_supported) { + if (!MEGASAS_IS_LOGICAL(sdev) && sdev->type == TYPE_DISK) { + pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + + sdev->id; + if (instance->pd_list[pd_index].driveState != + MR_PD_STATE_SYSTEM) + return -ENXIO; + } + } + + mutex_lock(&instance->reset_mutex); + /* Send DCMD to Firmware and cache the information */ + if ((instance->pd_info) && !MEGASAS_IS_LOGICAL(sdev)) + megasas_get_pd_info(instance, sdev); + + /* Some ventura firmware may not have instance->nvme_page_size set. + * Do not send MR_DCMD_DRV_GET_TARGET_PROP + */ + if ((instance->tgt_prop) && (instance->nvme_page_size)) + ret_target_prop = megasas_get_target_prop(instance, sdev); + + is_target_prop = (ret_target_prop == DCMD_SUCCESS) ? true : false; + megasas_set_static_target_properties(sdev, lim, is_target_prop); + + /* This sdev property may change post OCR */ + megasas_set_dynamic_target_properties(sdev, lim, is_target_prop); + + if (!MEGASAS_IS_LOGICAL(sdev)) + sdev->no_vpd_size = 1; + + mutex_unlock(&instance->reset_mutex); + return 0; } -static int megasas_slave_alloc(struct scsi_device *sdev) +static int megasas_sdev_init(struct scsi_device *sdev) { - u16 pd_index = 0; + u16 pd_index = 0, ld_tgt_id; struct megasas_instance *instance ; + struct MR_PRIV_DEVICE *mr_device_priv_data; + instance = megasas_lookup_instance(sdev->host->host_no); - if ((sdev->channel < MEGASAS_MAX_PD_CHANNELS) && - (sdev->type == TYPE_DISK)) { + if (!MEGASAS_IS_LOGICAL(sdev)) { /* * Open the OS scan to the SYSTEM PD */ pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id; - if ((instance->pd_list[pd_index].driveState == - MR_PD_STATE_SYSTEM) && - (instance->pd_list[pd_index].driveType == - TYPE_DISK)) { - return 0; + if ((instance->pd_list_not_supported || + instance->pd_list[pd_index].driveState == + MR_PD_STATE_SYSTEM)) { + goto scan_target; } return -ENXIO; + } else if (!MEGASAS_IS_LUN_VALID(sdev)) { + sdev_printk(KERN_INFO, sdev, "%s: invalid LUN\n", __func__); + return -ENXIO; + } + +scan_target: + mr_device_priv_data = kzalloc(sizeof(*mr_device_priv_data), + GFP_KERNEL); + if (!mr_device_priv_data) + return -ENOMEM; + + if (MEGASAS_IS_LOGICAL(sdev)) { + ld_tgt_id = MEGASAS_TARGET_ID(sdev); + instance->ld_tgtid_status[ld_tgt_id] = LD_TARGET_ID_ACTIVE; + if (megasas_dbg_lvl & LD_PD_DEBUG) + sdev_printk(KERN_INFO, sdev, "LD target ID %d created.\n", ld_tgt_id); } + + sdev->hostdata = mr_device_priv_data; + + atomic_set(&mr_device_priv_data->r1_ldio_hint, + instance->r1_ldio_hint_default); return 0; } +static void megasas_sdev_destroy(struct scsi_device *sdev) +{ + u16 ld_tgt_id; + struct megasas_instance *instance; + + instance = megasas_lookup_instance(sdev->host->host_no); + + if (MEGASAS_IS_LOGICAL(sdev)) { + if (!MEGASAS_IS_LUN_VALID(sdev)) { + sdev_printk(KERN_INFO, sdev, "%s: invalid LUN\n", __func__); + return; + } + ld_tgt_id = MEGASAS_TARGET_ID(sdev); + instance->ld_tgtid_status[ld_tgt_id] = LD_TARGET_ID_DELETED; + if (megasas_dbg_lvl & LD_PD_DEBUG) + sdev_printk(KERN_INFO, sdev, + "LD target ID %d removed from OS stack\n", ld_tgt_id); + } + + kfree(sdev->hostdata); + sdev->hostdata = NULL; +} + +/* +* megasas_complete_outstanding_ioctls - Complete outstanding ioctls after a +* kill adapter +* @instance: Adapter soft state +* +*/ +static void megasas_complete_outstanding_ioctls(struct megasas_instance *instance) +{ + int i; + struct megasas_cmd *cmd_mfi; + struct megasas_cmd_fusion *cmd_fusion; + struct fusion_context *fusion = instance->ctrl_context; + + /* Find all outstanding ioctls */ + if (fusion) { + for (i = 0; i < instance->max_fw_cmds; i++) { + cmd_fusion = fusion->cmd_list[i]; + if (cmd_fusion->sync_cmd_idx != (u32)ULONG_MAX) { + cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; + if (cmd_mfi->sync_cmd && + (cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT)) { + cmd_mfi->frame->hdr.cmd_status = + MFI_STAT_WRONG_STATE; + megasas_complete_cmd(instance, + cmd_mfi, DID_OK); + } + } + } + } else { + for (i = 0; i < instance->max_fw_cmds; i++) { + cmd_mfi = instance->cmd_list[i]; + if (cmd_mfi->sync_cmd && cmd_mfi->frame->hdr.cmd != + MFI_CMD_ABORT) + megasas_complete_cmd(instance, cmd_mfi, DID_OK); + } + } +} + + void megaraid_sas_kill_hba(struct megasas_instance *instance) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { + dev_warn(&instance->pdev->dev, + "Adapter already dead, skipping kill HBA\n"); + return; + } + + /* Set critical error to block I/O & ioctls in case caller didn't */ + atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR); + /* Wait 1 second to ensure IO or ioctls in build have posted */ + msleep(1000); if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { - writel(MFI_STOP_ADP, &instance->reg_set->doorbell); + (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) || + (instance->adapter_type != MFI_SERIES)) { + if (!instance->requestorId) { + writel(MFI_STOP_ADP, &instance->reg_set->doorbell); + /* Flush */ + readl(&instance->reg_set->doorbell); + } + if (instance->requestorId && instance->peerIsPresent) + memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS); } else { - writel(MFI_STOP_ADP, &instance->reg_set->inbound_doorbell); + writel(MFI_STOP_ADP, + &instance->reg_set->inbound_doorbell); } + /* Complete outstanding ioctls when adapter is killed */ + megasas_complete_outstanding_ioctls(instance); } /** @@ -1634,6 +2258,7 @@ void megasas_check_and_restore_queue_depth(struct megasas_instance *instance) { unsigned long flags; + if (instance->flag & MEGASAS_FW_BUSY && time_after(jiffies, instance->last_time + 5 * HZ) && atomic_read(&instance->fw_outstanding) < @@ -1641,13 +2266,8 @@ megasas_check_and_restore_queue_depth(struct megasas_instance *instance) spin_lock_irqsave(instance->host->host_lock, flags); instance->flag &= ~MEGASAS_FW_BUSY; - if (instance->is_imr) { - instance->host->can_queue = - instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS; - } else - instance->host->can_queue = - instance->max_fw_cmds - MEGASAS_INT_CMDS; + instance->host->can_queue = instance->cur_can_queue; spin_unlock_irqrestore(instance->host->host_lock, flags); } } @@ -1669,18 +2289,18 @@ static void megasas_complete_cmd_dpc(unsigned long instance_addr) unsigned long flags; /* If we have already declared adapter dead, donot complete cmds */ - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR ) + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) return; spin_lock_irqsave(&instance->completion_lock, flags); - producer = *instance->producer; - consumer = *instance->consumer; + producer = le32_to_cpu(*instance->producer); + consumer = le32_to_cpu(*instance->consumer); while (consumer != producer) { - context = instance->reply_queue[consumer]; + context = le32_to_cpu(instance->reply_queue[consumer]); if (context >= instance->max_fw_cmds) { - printk(KERN_ERR "Unexpected context value %x\n", + dev_err(&instance->pdev->dev, "Unexpected context value %x\n", context); BUG(); } @@ -1695,7 +2315,7 @@ static void megasas_complete_cmd_dpc(unsigned long instance_addr) } } - *instance->consumer = producer; + *instance->consumer = cpu_to_le32(producer); spin_unlock_irqrestore(&instance->completion_lock, flags); @@ -1705,21 +2325,37 @@ static void megasas_complete_cmd_dpc(unsigned long instance_addr) megasas_check_and_restore_queue_depth(instance); } +static void megasas_sriov_heartbeat_handler(struct timer_list *t); + +/** + * megasas_start_timer - Initializes sriov heartbeat timer object + * @instance: Adapter soft state + * + */ +void megasas_start_timer(struct megasas_instance *instance) +{ + struct timer_list *timer = &instance->sriov_heartbeat_timer; + + timer_setup(timer, megasas_sriov_heartbeat_handler, 0); + timer->expires = jiffies + MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF; + add_timer(timer); +} + static void megasas_internal_reset_defer_cmds(struct megasas_instance *instance); static void process_fw_state_change_wq(struct work_struct *work); -void megasas_do_ocr(struct megasas_instance *instance) +static void megasas_do_ocr(struct megasas_instance *instance) { if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1064R) || (instance->pdev->device == PCI_DEVICE_ID_DELL_PERC5) || (instance->pdev->device == PCI_DEVICE_ID_LSI_VERDE_ZCR)) { - *instance->consumer = MEGASAS_ADPRESET_INPROG_SIGN; + *instance->consumer = cpu_to_le32(MEGASAS_ADPRESET_INPROG_SIGN); } instance->instancet->disable_intr(instance); - instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; + atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); instance->issuepend_done = 0; atomic_set(&instance->fw_outstanding, 0); @@ -1727,6 +2363,382 @@ void megasas_do_ocr(struct megasas_instance *instance) process_fw_state_change_wq(&instance->work_init); } +static int megasas_get_ld_vf_affiliation_111(struct megasas_instance *instance, + int initial) +{ + struct megasas_cmd *cmd; + struct megasas_dcmd_frame *dcmd; + struct MR_LD_VF_AFFILIATION_111 *new_affiliation_111 = NULL; + dma_addr_t new_affiliation_111_h; + int ld, retval = 0; + u8 thisVf; + + cmd = megasas_get_cmd(instance); + + if (!cmd) { + dev_printk(KERN_DEBUG, &instance->pdev->dev, "megasas_get_ld_vf_affiliation_111:" + "Failed to get cmd for scsi%d\n", + instance->host->host_no); + return -ENOMEM; + } + + dcmd = &cmd->frame->dcmd; + + if (!instance->vf_affiliation_111) { + dev_warn(&instance->pdev->dev, "SR-IOV: Couldn't get LD/VF " + "affiliation for scsi%d\n", instance->host->host_no); + megasas_return_cmd(instance, cmd); + return -ENOMEM; + } + + if (initial) + memset(instance->vf_affiliation_111, 0, + sizeof(struct MR_LD_VF_AFFILIATION_111)); + else { + new_affiliation_111 = + dma_alloc_coherent(&instance->pdev->dev, + sizeof(struct MR_LD_VF_AFFILIATION_111), + &new_affiliation_111_h, GFP_KERNEL); + if (!new_affiliation_111) { + dev_printk(KERN_DEBUG, &instance->pdev->dev, "SR-IOV: Couldn't allocate " + "memory for new affiliation for scsi%d\n", + instance->host->host_no); + megasas_return_cmd(instance, cmd); + return -ENOMEM; + } + } + + memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); + + dcmd->cmd = MFI_CMD_DCMD; + dcmd->cmd_status = MFI_STAT_INVALID_STATUS; + dcmd->sge_count = 1; + dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_BOTH); + dcmd->timeout = 0; + dcmd->pad_0 = 0; + dcmd->data_xfer_len = + cpu_to_le32(sizeof(struct MR_LD_VF_AFFILIATION_111)); + dcmd->opcode = cpu_to_le32(MR_DCMD_LD_VF_MAP_GET_ALL_LDS_111); + + if (initial) + dcmd->sgl.sge32[0].phys_addr = + cpu_to_le32(instance->vf_affiliation_111_h); + else + dcmd->sgl.sge32[0].phys_addr = + cpu_to_le32(new_affiliation_111_h); + + dcmd->sgl.sge32[0].length = cpu_to_le32( + sizeof(struct MR_LD_VF_AFFILIATION_111)); + + dev_warn(&instance->pdev->dev, "SR-IOV: Getting LD/VF affiliation for " + "scsi%d\n", instance->host->host_no); + + if (megasas_issue_blocked_cmd(instance, cmd, 0) != DCMD_SUCCESS) { + dev_warn(&instance->pdev->dev, "SR-IOV: LD/VF affiliation DCMD" + " failed with status 0x%x for scsi%d\n", + dcmd->cmd_status, instance->host->host_no); + retval = 1; /* Do a scan if we couldn't get affiliation */ + goto out; + } + + if (!initial) { + thisVf = new_affiliation_111->thisVf; + for (ld = 0 ; ld < new_affiliation_111->vdCount; ld++) + if (instance->vf_affiliation_111->map[ld].policy[thisVf] != + new_affiliation_111->map[ld].policy[thisVf]) { + dev_warn(&instance->pdev->dev, "SR-IOV: " + "Got new LD/VF affiliation for scsi%d\n", + instance->host->host_no); + memcpy(instance->vf_affiliation_111, + new_affiliation_111, + sizeof(struct MR_LD_VF_AFFILIATION_111)); + retval = 1; + goto out; + } + } +out: + if (new_affiliation_111) { + dma_free_coherent(&instance->pdev->dev, + sizeof(struct MR_LD_VF_AFFILIATION_111), + new_affiliation_111, + new_affiliation_111_h); + } + + megasas_return_cmd(instance, cmd); + + return retval; +} + +static int megasas_get_ld_vf_affiliation_12(struct megasas_instance *instance, + int initial) +{ + struct megasas_cmd *cmd; + struct megasas_dcmd_frame *dcmd; + struct MR_LD_VF_AFFILIATION *new_affiliation = NULL; + struct MR_LD_VF_MAP *newmap = NULL, *savedmap = NULL; + dma_addr_t new_affiliation_h; + int i, j, retval = 0, found = 0, doscan = 0; + u8 thisVf; + + cmd = megasas_get_cmd(instance); + + if (!cmd) { + dev_printk(KERN_DEBUG, &instance->pdev->dev, "megasas_get_ld_vf_affiliation12: " + "Failed to get cmd for scsi%d\n", + instance->host->host_no); + return -ENOMEM; + } + + dcmd = &cmd->frame->dcmd; + + if (!instance->vf_affiliation) { + dev_warn(&instance->pdev->dev, "SR-IOV: Couldn't get LD/VF " + "affiliation for scsi%d\n", instance->host->host_no); + megasas_return_cmd(instance, cmd); + return -ENOMEM; + } + + if (initial) + memset(instance->vf_affiliation, 0, (MAX_LOGICAL_DRIVES + 1) * + sizeof(struct MR_LD_VF_AFFILIATION)); + else { + new_affiliation = + dma_alloc_coherent(&instance->pdev->dev, + (MAX_LOGICAL_DRIVES + 1) * sizeof(struct MR_LD_VF_AFFILIATION), + &new_affiliation_h, GFP_KERNEL); + if (!new_affiliation) { + dev_printk(KERN_DEBUG, &instance->pdev->dev, "SR-IOV: Couldn't allocate " + "memory for new affiliation for scsi%d\n", + instance->host->host_no); + megasas_return_cmd(instance, cmd); + return -ENOMEM; + } + } + + memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); + + dcmd->cmd = MFI_CMD_DCMD; + dcmd->cmd_status = MFI_STAT_INVALID_STATUS; + dcmd->sge_count = 1; + dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_BOTH); + dcmd->timeout = 0; + dcmd->pad_0 = 0; + dcmd->data_xfer_len = cpu_to_le32((MAX_LOGICAL_DRIVES + 1) * + sizeof(struct MR_LD_VF_AFFILIATION)); + dcmd->opcode = cpu_to_le32(MR_DCMD_LD_VF_MAP_GET_ALL_LDS); + + if (initial) + dcmd->sgl.sge32[0].phys_addr = + cpu_to_le32(instance->vf_affiliation_h); + else + dcmd->sgl.sge32[0].phys_addr = + cpu_to_le32(new_affiliation_h); + + dcmd->sgl.sge32[0].length = cpu_to_le32((MAX_LOGICAL_DRIVES + 1) * + sizeof(struct MR_LD_VF_AFFILIATION)); + + dev_warn(&instance->pdev->dev, "SR-IOV: Getting LD/VF affiliation for " + "scsi%d\n", instance->host->host_no); + + + if (megasas_issue_blocked_cmd(instance, cmd, 0) != DCMD_SUCCESS) { + dev_warn(&instance->pdev->dev, "SR-IOV: LD/VF affiliation DCMD" + " failed with status 0x%x for scsi%d\n", + dcmd->cmd_status, instance->host->host_no); + retval = 1; /* Do a scan if we couldn't get affiliation */ + goto out; + } + + if (!initial) { + if (!new_affiliation->ldCount) { + dev_warn(&instance->pdev->dev, "SR-IOV: Got new LD/VF " + "affiliation for passive path for scsi%d\n", + instance->host->host_no); + retval = 1; + goto out; + } + newmap = new_affiliation->map; + savedmap = instance->vf_affiliation->map; + thisVf = new_affiliation->thisVf; + for (i = 0 ; i < new_affiliation->ldCount; i++) { + found = 0; + for (j = 0; j < instance->vf_affiliation->ldCount; + j++) { + if (newmap->ref.targetId == + savedmap->ref.targetId) { + found = 1; + if (newmap->policy[thisVf] != + savedmap->policy[thisVf]) { + doscan = 1; + goto out; + } + } + savedmap = (struct MR_LD_VF_MAP *) + ((unsigned char *)savedmap + + savedmap->size); + } + if (!found && newmap->policy[thisVf] != + MR_LD_ACCESS_HIDDEN) { + doscan = 1; + goto out; + } + newmap = (struct MR_LD_VF_MAP *) + ((unsigned char *)newmap + newmap->size); + } + + newmap = new_affiliation->map; + savedmap = instance->vf_affiliation->map; + + for (i = 0 ; i < instance->vf_affiliation->ldCount; i++) { + found = 0; + for (j = 0 ; j < new_affiliation->ldCount; j++) { + if (savedmap->ref.targetId == + newmap->ref.targetId) { + found = 1; + if (savedmap->policy[thisVf] != + newmap->policy[thisVf]) { + doscan = 1; + goto out; + } + } + newmap = (struct MR_LD_VF_MAP *) + ((unsigned char *)newmap + + newmap->size); + } + if (!found && savedmap->policy[thisVf] != + MR_LD_ACCESS_HIDDEN) { + doscan = 1; + goto out; + } + savedmap = (struct MR_LD_VF_MAP *) + ((unsigned char *)savedmap + + savedmap->size); + } + } +out: + if (doscan) { + dev_warn(&instance->pdev->dev, "SR-IOV: Got new LD/VF " + "affiliation for scsi%d\n", instance->host->host_no); + memcpy(instance->vf_affiliation, new_affiliation, + new_affiliation->size); + retval = 1; + } + + if (new_affiliation) + dma_free_coherent(&instance->pdev->dev, + (MAX_LOGICAL_DRIVES + 1) * + sizeof(struct MR_LD_VF_AFFILIATION), + new_affiliation, new_affiliation_h); + megasas_return_cmd(instance, cmd); + + return retval; +} + +/* This function will get the current SR-IOV LD/VF affiliation */ +static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance, + int initial) +{ + int retval; + + if (instance->PlasmaFW111) + retval = megasas_get_ld_vf_affiliation_111(instance, initial); + else + retval = megasas_get_ld_vf_affiliation_12(instance, initial); + return retval; +} + +/* This function will tell FW to start the SR-IOV heartbeat */ +int megasas_sriov_start_heartbeat(struct megasas_instance *instance, + int initial) +{ + struct megasas_cmd *cmd; + struct megasas_dcmd_frame *dcmd; + int retval = 0; + + cmd = megasas_get_cmd(instance); + + if (!cmd) { + dev_printk(KERN_DEBUG, &instance->pdev->dev, "megasas_sriov_start_heartbeat: " + "Failed to get cmd for scsi%d\n", + instance->host->host_no); + return -ENOMEM; + } + + dcmd = &cmd->frame->dcmd; + + if (initial) { + instance->hb_host_mem = + dma_alloc_coherent(&instance->pdev->dev, + sizeof(struct MR_CTRL_HB_HOST_MEM), + &instance->hb_host_mem_h, + GFP_KERNEL); + if (!instance->hb_host_mem) { + dev_printk(KERN_DEBUG, &instance->pdev->dev, "SR-IOV: Couldn't allocate" + " memory for heartbeat host memory for scsi%d\n", + instance->host->host_no); + retval = -ENOMEM; + goto out; + } + } + + memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); + + dcmd->mbox.s[0] = cpu_to_le16(sizeof(struct MR_CTRL_HB_HOST_MEM)); + dcmd->cmd = MFI_CMD_DCMD; + dcmd->cmd_status = MFI_STAT_INVALID_STATUS; + dcmd->sge_count = 1; + dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_BOTH); + dcmd->timeout = 0; + dcmd->pad_0 = 0; + dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_CTRL_HB_HOST_MEM)); + dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_SHARED_HOST_MEM_ALLOC); + + megasas_set_dma_settings(instance, dcmd, instance->hb_host_mem_h, + sizeof(struct MR_CTRL_HB_HOST_MEM)); + + dev_warn(&instance->pdev->dev, "SR-IOV: Starting heartbeat for scsi%d\n", + instance->host->host_no); + + if ((instance->adapter_type != MFI_SERIES) && + !instance->mask_interrupts) + retval = megasas_issue_blocked_cmd(instance, cmd, + MEGASAS_ROUTINE_WAIT_TIME_VF); + else + retval = megasas_issue_polled(instance, cmd); + + if (retval) { + dev_warn(&instance->pdev->dev, "SR-IOV: MR_DCMD_CTRL_SHARED_HOST" + "_MEM_ALLOC DCMD %s for scsi%d\n", + (dcmd->cmd_status == MFI_STAT_INVALID_STATUS) ? + "timed out" : "failed", instance->host->host_no); + retval = 1; + } + +out: + megasas_return_cmd(instance, cmd); + + return retval; +} + +/* Handler for SR-IOV heartbeat */ +static void megasas_sriov_heartbeat_handler(struct timer_list *t) +{ + struct megasas_instance *instance = + timer_container_of(instance, t, sriov_heartbeat_timer); + + if (instance->hb_host_mem->HB.fwCounter != + instance->hb_host_mem->HB.driverCounter) { + instance->hb_host_mem->HB.driverCounter = + instance->hb_host_mem->HB.fwCounter; + mod_timer(&instance->sriov_heartbeat_timer, + jiffies + MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); + } else { + dev_warn(&instance->pdev->dev, "SR-IOV: Heartbeat never " + "completed for scsi%d\n", instance->host->host_no); + schedule_work(&instance->work_init); + } +} + /** * megasas_wait_for_outstanding - Wait for all outstanding cmds * @instance: Adapter soft state @@ -1737,21 +2749,21 @@ void megasas_do_ocr(struct megasas_instance *instance) */ static int megasas_wait_for_outstanding(struct megasas_instance *instance) { - int i; + int i, sl, outstanding; u32 reset_index; u32 wait_time = MEGASAS_RESET_WAIT_TIME; - u8 adprecovery; unsigned long flags; struct list_head clist_local; struct megasas_cmd *reset_cmd; u32 fw_state; - u8 kill_adapter_flag; - spin_lock_irqsave(&instance->hba_lock, flags); - adprecovery = instance->adprecovery; - spin_unlock_irqrestore(&instance->hba_lock, flags); + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { + dev_info(&instance->pdev->dev, "%s:%d HBA is killed.\n", + __func__, __LINE__); + return FAILED; + } - if (adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { INIT_LIST_HEAD(&clist_local); spin_lock_irqsave(&instance->hba_lock, flags); @@ -1759,48 +2771,43 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance) &clist_local); spin_unlock_irqrestore(&instance->hba_lock, flags); - printk(KERN_NOTICE "megasas: HBA reset wait ...\n"); + dev_notice(&instance->pdev->dev, "HBA reset wait ...\n"); for (i = 0; i < wait_time; i++) { msleep(1000); - spin_lock_irqsave(&instance->hba_lock, flags); - adprecovery = instance->adprecovery; - spin_unlock_irqrestore(&instance->hba_lock, flags); - if (adprecovery == MEGASAS_HBA_OPERATIONAL) + if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) break; } - if (adprecovery != MEGASAS_HBA_OPERATIONAL) { - printk(KERN_NOTICE "megasas: reset: Stopping HBA.\n"); - spin_lock_irqsave(&instance->hba_lock, flags); - instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR; - spin_unlock_irqrestore(&instance->hba_lock, flags); + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { + dev_notice(&instance->pdev->dev, "reset: Stopping HBA.\n"); + atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR); return FAILED; } - reset_index = 0; + reset_index = 0; while (!list_empty(&clist_local)) { - reset_cmd = list_entry((&clist_local)->next, + reset_cmd = list_entry((&clist_local)->next, struct megasas_cmd, list); list_del_init(&reset_cmd->list); if (reset_cmd->scmd) { - reset_cmd->scmd->result = DID_RESET << 16; - printk(KERN_NOTICE "%d:%p reset [%02x]\n", + reset_cmd->scmd->result = DID_REQUEUE << 16; + dev_notice(&instance->pdev->dev, "%d:%p reset [%02x]\n", reset_index, reset_cmd, reset_cmd->scmd->cmnd[0]); - reset_cmd->scmd->scsi_done(reset_cmd->scmd); + scsi_done(reset_cmd->scmd); megasas_return_cmd(instance, reset_cmd); } else if (reset_cmd->sync_cmd) { - printk(KERN_NOTICE "megasas:%p synch cmds" + dev_notice(&instance->pdev->dev, "%p synch cmds" "reset queue\n", reset_cmd); - reset_cmd->cmd_status = ENODATA; + reset_cmd->cmd_status_drv = DCMD_INIT; instance->instancet->fire_cmd(instance, reset_cmd->frame_phys_addr, 0, instance->reg_set); } else { - printk(KERN_NOTICE "megasas: %p unexpected" + dev_notice(&instance->pdev->dev, "%p unexpected" "cmds lst\n", reset_cmd); } @@ -1811,14 +2818,13 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance) } for (i = 0; i < resetwaittime; i++) { - - int outstanding = atomic_read(&instance->fw_outstanding); + outstanding = atomic_read(&instance->fw_outstanding); if (!outstanding) break; if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { - printk(KERN_NOTICE "megasas: [%2d]waiting for %d " + dev_notice(&instance->pdev->dev, "[%2d]waiting for %d " "commands to complete\n",i,outstanding); /* * Call cmd completion routine. Cmd to be @@ -1831,69 +2837,60 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance) } i = 0; - kill_adapter_flag = 0; + outstanding = atomic_read(&instance->fw_outstanding); + fw_state = instance->instancet->read_fw_status_reg(instance) & MFI_STATE_MASK; + + if ((!outstanding && (fw_state == MFI_STATE_OPERATIONAL))) + goto no_outstanding; + + if (instance->disableOnlineCtrlReset) + goto kill_hba_and_failed; do { - fw_state = instance->instancet->read_fw_status_reg( - instance->reg_set) & MFI_STATE_MASK; - if ((fw_state == MFI_STATE_FAULT) && - (instance->disableOnlineCtrlReset == 0)) { - if (i == 3) { - kill_adapter_flag = 2; - break; - } + if ((fw_state == MFI_STATE_FAULT) || atomic_read(&instance->fw_outstanding)) { + dev_info(&instance->pdev->dev, + "%s:%d waiting_for_outstanding: before issue OCR. FW state = 0x%x, outstanding 0x%x\n", + __func__, __LINE__, fw_state, atomic_read(&instance->fw_outstanding)); + if (i == 3) + goto kill_hba_and_failed; megasas_do_ocr(instance); - kill_adapter_flag = 1; - /* wait for 1 secs to let FW finish the pending cmds */ - msleep(1000); + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { + dev_info(&instance->pdev->dev, "%s:%d OCR failed and HBA is killed.\n", + __func__, __LINE__); + return FAILED; + } + dev_info(&instance->pdev->dev, "%s:%d waiting_for_outstanding: after issue OCR.\n", + __func__, __LINE__); + + for (sl = 0; sl < 10; sl++) + msleep(500); + + outstanding = atomic_read(&instance->fw_outstanding); + + fw_state = instance->instancet->read_fw_status_reg(instance) & MFI_STATE_MASK; + if ((!outstanding && (fw_state == MFI_STATE_OPERATIONAL))) + goto no_outstanding; } i++; } while (i <= 3); - if (atomic_read(&instance->fw_outstanding) && - !kill_adapter_flag) { - if (instance->disableOnlineCtrlReset == 0) { +no_outstanding: - megasas_do_ocr(instance); + dev_info(&instance->pdev->dev, "%s:%d no more pending commands remain after reset handling.\n", + __func__, __LINE__); + return SUCCESS; - /* wait for 5 secs to let FW finish the pending cmds */ - for (i = 0; i < wait_time; i++) { - int outstanding = - atomic_read(&instance->fw_outstanding); - if (!outstanding) - return SUCCESS; - msleep(1000); - } - } - } +kill_hba_and_failed: - if (atomic_read(&instance->fw_outstanding) || - (kill_adapter_flag == 2)) { - printk(KERN_NOTICE "megaraid_sas: pending cmds after reset\n"); - /* - * Send signal to FW to stop processing any pending cmds. - * The controller will be taken offline by the OS now. - */ - if ((instance->pdev->device == - PCI_DEVICE_ID_LSI_SAS0073SKINNY) || - (instance->pdev->device == - PCI_DEVICE_ID_LSI_SAS0071SKINNY)) { - writel(MFI_STOP_ADP, - &instance->reg_set->doorbell); - } else { - writel(MFI_STOP_ADP, - &instance->reg_set->inbound_doorbell); - } - megasas_dump_pending_frames(instance); - spin_lock_irqsave(&instance->hba_lock, flags); - instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR; - spin_unlock_irqrestore(&instance->hba_lock, flags); - return FAILED; - } + /* Reset not supported, kill adapter */ + dev_info(&instance->pdev->dev, "%s:%d killing adapter scsi%d" + " disableOnlineCtrlReset %d fw_outstanding %d \n", + __func__, __LINE__, instance->host->host_no, instance->disableOnlineCtrlReset, + atomic_read(&instance->fw_outstanding)); + megasas_dump_pending_frames(instance); + megaraid_sas_kill_hba(instance); - printk(KERN_NOTICE "megaraid_sas: no pending cmds after reset\n"); - - return SUCCESS; + return FAILED; } /** @@ -1914,17 +2911,16 @@ static int megasas_generic_reset(struct scsi_cmnd *scmd) scmd_printk(KERN_NOTICE, scmd, "megasas: RESET cmd=%x retries=%x\n", scmd->cmnd[0], scmd->retries); - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { - printk(KERN_ERR "megasas: cannot recover from previous reset " - "failures\n"); + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { + dev_err(&instance->pdev->dev, "cannot recover from previous reset failures\n"); return FAILED; } ret_val = megasas_wait_for_outstanding(instance); if (ret_val == SUCCESS) - printk(KERN_NOTICE "megasas: reset successful \n"); + dev_notice(&instance->pdev->dev, "reset successful\n"); else - printk(KERN_ERR "megasas: failed to do reset\n"); + dev_err(&instance->pdev->dev, "failed to do reset\n"); return ret_val; } @@ -1936,15 +2932,14 @@ static int megasas_generic_reset(struct scsi_cmnd *scmd) * Sets the FW busy flag and reduces the host->can_queue if the * cmd has not been completed within the timeout period. */ -static enum -blk_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd) +static enum scsi_timeout_action megasas_reset_timer(struct scsi_cmnd *scmd) { struct megasas_instance *instance; unsigned long flags; if (time_after(jiffies, scmd->jiffies_at_alloc + - (MEGASAS_DEFAULT_CMD_TIMEOUT * 2) * HZ)) { - return BLK_EH_NOT_HANDLED; + (scmd_timeout * 2) * HZ)) { + return SCSI_EH_NOT_HANDLED; } instance = (struct megasas_instance *)scmd->device->host->hostdata; @@ -1958,61 +2953,203 @@ blk_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd) spin_unlock_irqrestore(instance->host->host_lock, flags); } - return BLK_EH_RESET_TIMER; + return SCSI_EH_RESET_TIMER; } /** - * megasas_reset_device - Device reset handler entry point + * megasas_dump - This function will print hexdump of provided buffer. + * @buf: Buffer to be dumped + * @sz: Size in bytes + * @format: Different formats of dumping e.g. format=n will + * cause only 'n' 32 bit words to be dumped in a single + * line. */ -static int megasas_reset_device(struct scsi_cmnd *scmd) +inline void +megasas_dump(void *buf, int sz, int format) { - int ret; + int i; + __le32 *buf_loc = (__le32 *)buf; - /* - * First wait for all commands to complete - */ - ret = megasas_generic_reset(scmd); + for (i = 0; i < (sz / sizeof(__le32)); i++) { + if ((i % format) == 0) { + if (i != 0) + printk(KERN_CONT "\n"); + printk(KERN_CONT "%08x: ", (i * 4)); + } + printk(KERN_CONT "%08x ", le32_to_cpu(buf_loc[i])); + } + printk(KERN_CONT "\n"); +} - return ret; +/** + * megasas_dump_reg_set - This function will print hexdump of register set + * @reg_set: Register set to be dumped + */ +inline void +megasas_dump_reg_set(void __iomem *reg_set) +{ + unsigned int i, sz = 256; + u32 __iomem *reg = (u32 __iomem *)reg_set; + + for (i = 0; i < (sz / sizeof(u32)); i++) + printk("%08x: %08x\n", (i * 4), readl(®[i])); +} + +/** + * megasas_dump_fusion_io - This function will print key details + * of SCSI IO + * @scmd: SCSI command pointer of SCSI IO + */ +void +megasas_dump_fusion_io(struct scsi_cmnd *scmd) +{ + struct megasas_cmd_fusion *cmd = megasas_priv(scmd)->cmd_priv; + union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; + struct megasas_instance *instance; + + instance = (struct megasas_instance *)scmd->device->host->hostdata; + + scmd_printk(KERN_INFO, scmd, + "scmd: (0x%p) retries: 0x%x allowed: 0x%x\n", + scmd, scmd->retries, scmd->allowed); + scsi_print_command(scmd); + + if (cmd) { + req_desc = (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)cmd->request_desc; + scmd_printk(KERN_INFO, scmd, "Request descriptor details:\n"); + scmd_printk(KERN_INFO, scmd, + "RequestFlags:0x%x MSIxIndex:0x%x SMID:0x%x LMID:0x%x DevHandle:0x%x\n", + req_desc->SCSIIO.RequestFlags, + req_desc->SCSIIO.MSIxIndex, req_desc->SCSIIO.SMID, + req_desc->SCSIIO.LMID, req_desc->SCSIIO.DevHandle); + + printk(KERN_INFO "IO request frame:\n"); + megasas_dump(cmd->io_request, + MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE, 8); + printk(KERN_INFO "Chain frame:\n"); + megasas_dump(cmd->sg_frame, + instance->max_chain_frame_sz, 8); + } + +} + +/* + * megasas_dump_sys_regs - This function will dump system registers through + * sysfs. + * @reg_set: Pointer to System register set. + * @buf: Buffer to which output is to be written. + * @return: Number of bytes written to buffer. + */ +static inline ssize_t +megasas_dump_sys_regs(void __iomem *reg_set, char *buf) +{ + unsigned int i, sz = 256; + int bytes_wrote = 0; + char *loc = (char *)buf; + u32 __iomem *reg = (u32 __iomem *)reg_set; + + for (i = 0; i < sz / sizeof(u32); i++) { + bytes_wrote += scnprintf(loc + bytes_wrote, + PAGE_SIZE - bytes_wrote, + "%08x: %08x\n", (i * 4), + readl(®[i])); + } + return bytes_wrote; } /** * megasas_reset_bus_host - Bus & host reset handler entry point + * @scmd: Mid-layer SCSI command */ static int megasas_reset_bus_host(struct scsi_cmnd *scmd) { int ret; struct megasas_instance *instance; + instance = (struct megasas_instance *)scmd->device->host->hostdata; + scmd_printk(KERN_INFO, scmd, + "OCR is requested due to IO timeout!!\n"); + + scmd_printk(KERN_INFO, scmd, + "SCSI host state: %d SCSI host busy: %d FW outstanding: %d\n", + scmd->device->host->shost_state, + scsi_host_busy(scmd->device->host), + atomic_read(&instance->fw_outstanding)); /* * First wait for all commands to complete */ - if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) - ret = megasas_reset_fusion(scmd->device->host); - else + if (instance->adapter_type == MFI_SERIES) { ret = megasas_generic_reset(scmd); + } else { + megasas_dump_fusion_io(scmd); + ret = megasas_reset_fusion(scmd->device->host, + SCSIIO_TIMEOUT_OCR); + } + + return ret; +} + +/** + * megasas_task_abort - Issues task abort request to firmware + * (supported only for fusion adapters) + * @scmd: SCSI command pointer + */ +static int megasas_task_abort(struct scsi_cmnd *scmd) +{ + int ret; + struct megasas_instance *instance; + + instance = (struct megasas_instance *)scmd->device->host->hostdata; + + if (instance->adapter_type != MFI_SERIES) + ret = megasas_task_abort_fusion(scmd); + else { + sdev_printk(KERN_NOTICE, scmd->device, "TASK ABORT not supported\n"); + ret = FAILED; + } + + return ret; +} + +/** + * megasas_reset_target: Issues target reset request to firmware + * (supported only for fusion adapters) + * @scmd: SCSI command pointer + */ +static int megasas_reset_target(struct scsi_cmnd *scmd) +{ + int ret; + struct megasas_instance *instance; + + instance = (struct megasas_instance *)scmd->device->host->hostdata; + + if (instance->adapter_type != MFI_SERIES) + ret = megasas_reset_target_fusion(scmd); + else { + sdev_printk(KERN_NOTICE, scmd->device, "TARGET RESET not supported\n"); + ret = FAILED; + } return ret; } /** * megasas_bios_param - Returns disk geometry for a disk - * @sdev: device handle - * @bdev: block device + * @sdev: device handle + * @unused: gendisk * @capacity: drive capacity * @geom: geometry parameters */ static int -megasas_bios_param(struct scsi_device *sdev, struct block_device *bdev, +megasas_bios_param(struct scsi_device *sdev, struct gendisk *unused, sector_t capacity, int geom[]) { int heads; int sectors; sector_t cylinders; unsigned long tmp; + /* Default heads (64) & sectors (32) */ heads = 64; sectors = 32; @@ -2041,6 +3178,43 @@ megasas_bios_param(struct scsi_device *sdev, struct block_device *bdev, return 0; } +static void megasas_map_queues(struct Scsi_Host *shost) +{ + struct megasas_instance *instance; + int qoff = 0, offset; + struct blk_mq_queue_map *map; + + instance = (struct megasas_instance *)shost->hostdata; + + if (shost->nr_hw_queues == 1) + return; + + offset = instance->low_latency_index_start; + + /* Setup Default hctx */ + map = &shost->tag_set.map[HCTX_TYPE_DEFAULT]; + map->nr_queues = instance->msix_vectors - offset; + map->queue_offset = 0; + blk_mq_map_hw_queues(map, &instance->pdev->dev, offset); + qoff += map->nr_queues; + offset += map->nr_queues; + + /* we never use READ queue, so can't cheat blk-mq */ + shost->tag_set.map[HCTX_TYPE_READ].nr_queues = 0; + + /* Setup Poll hctx */ + map = &shost->tag_set.map[HCTX_TYPE_POLL]; + map->nr_queues = instance->iopoll_q_count; + if (map->nr_queues) { + /* + * The poll queue(s) doesn't have an IRQ (and hence IRQ + * affinity), so use the regular blk-mq cpu mapping + */ + map->queue_offset = qoff; + blk_mq_map_queues(map); + } +} + static void megasas_aen_polling(struct work_struct *work); /** @@ -2059,6 +3233,7 @@ static void megasas_service_aen(struct megasas_instance *instance, struct megasas_cmd *cmd) { unsigned long flags; + /* * Don't signal app if it is just an aborted previously registered aen */ @@ -2073,14 +3248,16 @@ megasas_service_aen(struct megasas_instance *instance, struct megasas_cmd *cmd) cmd->abort_aen = 0; instance->aen_cmd = NULL; + megasas_return_cmd(instance, cmd); if ((instance->unload == 0) && ((instance->issuepend_done == 1))) { struct megasas_aen_event *ev; + ev = kzalloc(sizeof(*ev), GFP_ATOMIC); if (!ev) { - printk(KERN_ERR "megasas_service_aen: out of memory\n"); + dev_err(&instance->pdev->dev, "megasas_service_aen: out of memory\n"); } else { ev->instance = instance; instance->ev = ev; @@ -2091,38 +3268,265 @@ megasas_service_aen(struct megasas_instance *instance, struct megasas_cmd *cmd) } } -static int megasas_change_queue_depth(struct scsi_device *sdev, - int queue_depth, int reason) +static ssize_t +fw_crash_buffer_store(struct device *cdev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct megasas_instance *instance = + (struct megasas_instance *) shost->hostdata; + int val = 0; + + if (kstrtoint(buf, 0, &val) != 0) + return -EINVAL; + + mutex_lock(&instance->crashdump_lock); + instance->fw_crash_buffer_offset = val; + mutex_unlock(&instance->crashdump_lock); + return strlen(buf); +} + +static ssize_t +fw_crash_buffer_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct megasas_instance *instance = + (struct megasas_instance *) shost->hostdata; + u32 size; + unsigned long dmachunk = CRASH_DMA_BUF_SIZE; + unsigned long chunk_left_bytes; + unsigned long src_addr; + u32 buff_offset; + + mutex_lock(&instance->crashdump_lock); + buff_offset = instance->fw_crash_buffer_offset; + if (!instance->crash_dump_buf || + !((instance->fw_crash_state == AVAILABLE) || + (instance->fw_crash_state == COPYING))) { + dev_err(&instance->pdev->dev, + "Firmware crash dump is not available\n"); + mutex_unlock(&instance->crashdump_lock); + return -EINVAL; + } + + if (buff_offset > (instance->fw_crash_buffer_size * dmachunk)) { + dev_err(&instance->pdev->dev, + "Firmware crash dump offset is out of range\n"); + mutex_unlock(&instance->crashdump_lock); + return 0; + } + + size = (instance->fw_crash_buffer_size * dmachunk) - buff_offset; + chunk_left_bytes = dmachunk - (buff_offset % dmachunk); + size = (size > chunk_left_bytes) ? chunk_left_bytes : size; + size = (size >= PAGE_SIZE) ? (PAGE_SIZE - 1) : size; + + src_addr = (unsigned long)instance->crash_buf[buff_offset / dmachunk] + + (buff_offset % dmachunk); + memcpy(buf, (void *)src_addr, size); + mutex_unlock(&instance->crashdump_lock); + + return size; +} + +static ssize_t +fw_crash_buffer_size_show(struct device *cdev, + struct device_attribute *attr, char *buf) { - if (reason != SCSI_QDEPTH_DEFAULT) - return -EOPNOTSUPP; + struct Scsi_Host *shost = class_to_shost(cdev); + struct megasas_instance *instance = + (struct megasas_instance *) shost->hostdata; - if (queue_depth > sdev->host->can_queue) - queue_depth = sdev->host->can_queue; - scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), - queue_depth); + return snprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long) + ((instance->fw_crash_buffer_size) * 1024 * 1024)/PAGE_SIZE); +} - return queue_depth; +static ssize_t +fw_crash_state_store(struct device *cdev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct megasas_instance *instance = + (struct megasas_instance *) shost->hostdata; + int val = 0; + + if (kstrtoint(buf, 0, &val) != 0) + return -EINVAL; + + if ((val <= AVAILABLE || val > COPY_ERROR)) { + dev_err(&instance->pdev->dev, "application updates invalid " + "firmware crash state\n"); + return -EINVAL; + } + + instance->fw_crash_state = val; + + if ((val == COPIED) || (val == COPY_ERROR)) { + mutex_lock(&instance->crashdump_lock); + megasas_free_host_crash_buffer(instance); + mutex_unlock(&instance->crashdump_lock); + if (val == COPY_ERROR) + dev_info(&instance->pdev->dev, "application failed to " + "copy Firmware crash dump\n"); + else + dev_info(&instance->pdev->dev, "Firmware crash dump " + "copied successfully\n"); + } + return strlen(buf); +} + +static ssize_t +fw_crash_state_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct megasas_instance *instance = + (struct megasas_instance *) shost->hostdata; + + return snprintf(buf, PAGE_SIZE, "%d\n", instance->fw_crash_state); +} + +static ssize_t +page_size_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long)PAGE_SIZE - 1); } +static ssize_t +ldio_outstanding_show(struct device *cdev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata; + + return snprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&instance->ldio_outstanding)); +} + +static ssize_t +fw_cmds_outstanding_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata; + + return snprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&instance->fw_outstanding)); +} + +static ssize_t +enable_sdev_max_qd_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata; + + return snprintf(buf, PAGE_SIZE, "%d\n", instance->enable_sdev_max_qd); +} + +static ssize_t +enable_sdev_max_qd_store(struct device *cdev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata; + u32 val = 0; + bool is_target_prop; + int ret_target_prop = DCMD_FAILED; + struct scsi_device *sdev; + + if (kstrtou32(buf, 0, &val) != 0) { + pr_err("megasas: could not set enable_sdev_max_qd\n"); + return -EINVAL; + } + + mutex_lock(&instance->reset_mutex); + if (val) + instance->enable_sdev_max_qd = true; + else + instance->enable_sdev_max_qd = false; + + shost_for_each_device(sdev, shost) { + ret_target_prop = megasas_get_target_prop(instance, sdev); + is_target_prop = (ret_target_prop == DCMD_SUCCESS) ? true : false; + megasas_set_fw_assisted_qd(sdev, is_target_prop); + } + mutex_unlock(&instance->reset_mutex); + + return strlen(buf); +} + +static ssize_t +dump_system_regs_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct megasas_instance *instance = + (struct megasas_instance *)shost->hostdata; + + return megasas_dump_sys_regs(instance->reg_set, buf); +} + +static ssize_t +raid_map_id_show(struct device *cdev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct megasas_instance *instance = + (struct megasas_instance *)shost->hostdata; + + return snprintf(buf, PAGE_SIZE, "%ld\n", + (unsigned long)instance->map_id); +} + +static DEVICE_ATTR_RW(fw_crash_buffer); +static DEVICE_ATTR_RO(fw_crash_buffer_size); +static DEVICE_ATTR_RW(fw_crash_state); +static DEVICE_ATTR_RO(page_size); +static DEVICE_ATTR_RO(ldio_outstanding); +static DEVICE_ATTR_RO(fw_cmds_outstanding); +static DEVICE_ATTR_RW(enable_sdev_max_qd); +static DEVICE_ATTR_RO(dump_system_regs); +static DEVICE_ATTR_RO(raid_map_id); + +static struct attribute *megaraid_host_attrs[] = { + &dev_attr_fw_crash_buffer_size.attr, + &dev_attr_fw_crash_buffer.attr, + &dev_attr_fw_crash_state.attr, + &dev_attr_page_size.attr, + &dev_attr_ldio_outstanding.attr, + &dev_attr_fw_cmds_outstanding.attr, + &dev_attr_enable_sdev_max_qd.attr, + &dev_attr_dump_system_regs.attr, + &dev_attr_raid_map_id.attr, + NULL, +}; + +ATTRIBUTE_GROUPS(megaraid_host); + /* * Scsi host template for megaraid_sas driver */ -static struct scsi_host_template megasas_template = { +static const struct scsi_host_template megasas_template = { .module = THIS_MODULE, - .name = "LSI SAS based MegaRAID driver", + .name = "Avago SAS based MegaRAID driver", .proc_name = "megaraid_sas", - .slave_configure = megasas_slave_configure, - .slave_alloc = megasas_slave_alloc, + .sdev_configure = megasas_sdev_configure, + .sdev_init = megasas_sdev_init, + .sdev_destroy = megasas_sdev_destroy, .queuecommand = megasas_queue_command, - .eh_device_reset_handler = megasas_reset_device, - .eh_bus_reset_handler = megasas_reset_bus_host, + .eh_target_reset_handler = megasas_reset_target, + .eh_abort_handler = megasas_task_abort, .eh_host_reset_handler = megasas_reset_bus_host, .eh_timed_out = megasas_reset_timer, + .shost_groups = megaraid_host_groups, .bios_param = megasas_bios_param, - .use_clustering = ENABLE_CLUSTERING, - .change_queue_depth = megasas_change_queue_depth, + .map_queues = megasas_map_queues, + .mq_poll = megasas_blk_mq_poll, + .change_queue_depth = scsi_change_queue_depth, + .max_segment_size = 0xffffffff, + .cmd_size = sizeof(struct megasas_cmd_priv), }; /** @@ -2138,11 +3542,11 @@ static void megasas_complete_int_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd) { - cmd->cmd_status = cmd->frame->io.cmd_status; + if (cmd->cmd_status_drv == DCMD_INIT) + cmd->cmd_status_drv = + (cmd->frame->io.cmd_status == MFI_STAT_OK) ? + DCMD_SUCCESS : DCMD_FAILED; - if (cmd->cmd_status == ENODATA) { - cmd->cmd_status = 0; - } wake_up(&instance->int_cmd_wait_q); } @@ -2161,11 +3565,25 @@ megasas_complete_abort(struct megasas_instance *instance, { if (cmd->sync_cmd) { cmd->sync_cmd = 0; - cmd->cmd_status = 0; + cmd->cmd_status_drv = DCMD_SUCCESS; wake_up(&instance->abort_cmd_wait_q); } +} - return; +static void +megasas_set_ld_removed_by_fw(struct megasas_instance *instance) +{ + uint i; + + for (i = 0; (i < MEGASAS_MAX_LD_IDS); i++) { + if (instance->ld_ids_prev[i] != 0xff && + instance->ld_ids_from_raidmap[i] == 0xff) { + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, + "LD target ID %d removed from RAID map\n", i); + instance->ld_tgtid_status[i] = LD_TARGET_ID_DELETED; + } + } } /** @@ -2173,10 +3591,10 @@ megasas_complete_abort(struct megasas_instance *instance, * @instance: Adapter soft state * @cmd: Command to be completed * @alt_status: If non-zero, use this value as status to - * SCSI mid-layer instead of the value returned - * by the FW. This should be used if caller wants - * an alternate status (as in the case of aborted - * commands) + * SCSI mid-layer instead of the value returned + * by the FW. This should be used if caller wants + * an alternate status (as in the case of aborted + * commands) */ void megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, @@ -2186,12 +3604,13 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, struct megasas_header *hdr = &cmd->frame->hdr; unsigned long flags; struct fusion_context *fusion = instance->ctrl_context; + u32 opcode, status; /* flag for the retry reset */ cmd->retry_for_fw_reset = 0; if (cmd->scmd) - cmd->scmd->SCp.ptr = NULL; + megasas_priv(cmd->scmd)->cmd_priv = NULL; switch (hdr->cmd) { case MFI_CMD_INVALID: @@ -2199,10 +3618,10 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, MR_DCMD_CTRL_EVENT_GET_INFO left over from the main kernel when booting the kdump kernel. Ignore this command to prevent a kernel panic on shutdown of the kdump kernel. */ - printk(KERN_WARNING "megaraid_sas: MFI_CMD_INVALID command " - "completed.\n"); - printk(KERN_WARNING "megaraid_sas: If you have a controller " - "other than PERC5, please upgrade your firmware.\n"); + dev_warn(&instance->pdev->dev, "MFI_CMD_INVALID command " + "completed\n"); + dev_warn(&instance->pdev->dev, "If you have a controller " + "other than PERC5, please upgrade your firmware\n"); break; case MFI_CMD_PD_SCSI_IO: case MFI_CMD_LD_SCSI_IO: @@ -2217,6 +3636,7 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, megasas_complete_int_cmd(instance, cmd); break; } + fallthrough; case MFI_CMD_LD_READ: case MFI_CMD_LD_WRITE: @@ -2231,7 +3651,7 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, atomic_dec(&instance->fw_outstanding); scsi_dma_unmap(cmd->scmd); - cmd->scmd->scsi_done(cmd->scmd); + scsi_done(cmd->scmd); megasas_return_cmd(instance, cmd); break; @@ -2245,8 +3665,10 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, case MFI_STAT_SCSI_IO_FAILED: case MFI_STAT_LD_INIT_IN_PROGRESS: - cmd->scmd->result = - (DID_ERROR << 16) | hdr->scsi_status; + if (hdr->scsi_status == 0xf0) + cmd->scmd->result = (DID_ERROR << 16) | SAM_STAT_CHECK_CONDITION; + else + cmd->scmd->result = (DID_ERROR << 16) | hdr->scsi_status; break; case MFI_STAT_SCSI_DONE_WITH_ERROR: @@ -2258,8 +3680,6 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, SCSI_SENSE_BUFFERSIZE); memcpy(cmd->scmd->sense_buffer, cmd->sense, hdr->sense_len); - - cmd->scmd->result |= DRIVER_SENSE << 24; } break; @@ -2270,7 +3690,7 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, break; default: - printk(KERN_DEBUG "megasas: MFI FW status %#x\n", + dev_printk(KERN_DEBUG, &instance->pdev->dev, "MFI FW status %#x\n", hdr->cmd_status); cmd->scmd->result = DID_ERROR << 16; break; @@ -2279,24 +3699,30 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, atomic_dec(&instance->fw_outstanding); scsi_dma_unmap(cmd->scmd); - cmd->scmd->scsi_done(cmd->scmd); + scsi_done(cmd->scmd); megasas_return_cmd(instance, cmd); break; case MFI_CMD_SMP: case MFI_CMD_STP: + case MFI_CMD_NVME: + case MFI_CMD_TOOLBOX: + megasas_complete_int_cmd(instance, cmd); + break; + case MFI_CMD_DCMD: + opcode = le32_to_cpu(cmd->frame->dcmd.opcode); /* Check for LD map update */ - if ((cmd->frame->dcmd.opcode == MR_DCMD_LD_MAP_GET_INFO) && - (cmd->frame->dcmd.mbox.b[1] == 1)) { + if ((opcode == MR_DCMD_LD_MAP_GET_INFO) + && (cmd->frame->dcmd.mbox.b[1] == 1)) { fusion->fast_path_io = 0; spin_lock_irqsave(instance->host->host_lock, flags); - if (cmd->frame->hdr.cmd_status != 0) { - if (cmd->frame->hdr.cmd_status != - MFI_STAT_NOT_FOUND) - printk(KERN_WARNING "megasas: map sync" - "failed, status = 0x%x.\n", + status = cmd->frame->hdr.cmd_status; + instance->map_update_cmd = NULL; + if (status != MFI_STAT_OK) { + if (status != MFI_STAT_NOT_FOUND) + dev_warn(&instance->pdev->dev, "map syncfailed, status = 0x%x\n", cmd->frame->hdr.cmd_status); else { megasas_return_cmd(instance, cmd); @@ -2305,8 +3731,8 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, flags); break; } - } else - instance->map_id++; + } + megasas_return_cmd(instance, cmd); /* @@ -2314,26 +3740,55 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, * Validate Map will set proper value. * Meanwhile all IOs will go as LD IO. */ - if (MR_ValidateMapInfo(instance)) + if (status == MFI_STAT_OK && + (MR_ValidateMapInfo(instance, (instance->map_id + 1)))) { + instance->map_id++; fusion->fast_path_io = 1; - else + } else { fusion->fast_path_io = 0; + } + + if (instance->adapter_type >= INVADER_SERIES) + megasas_set_ld_removed_by_fw(instance); + megasas_sync_map_info(instance); spin_unlock_irqrestore(instance->host->host_lock, flags); + break; } - if (cmd->frame->dcmd.opcode == MR_DCMD_CTRL_EVENT_GET_INFO || - cmd->frame->dcmd.opcode == MR_DCMD_CTRL_EVENT_GET) { + if (opcode == MR_DCMD_CTRL_EVENT_GET_INFO || + opcode == MR_DCMD_CTRL_EVENT_GET) { spin_lock_irqsave(&poll_aen_lock, flags); megasas_poll_wait_aen = 0; spin_unlock_irqrestore(&poll_aen_lock, flags); } + /* FW has an updated PD sequence */ + if ((opcode == MR_DCMD_SYSTEM_PD_MAP_GET_INFO) && + (cmd->frame->dcmd.mbox.b[0] == 1)) { + + spin_lock_irqsave(instance->host->host_lock, flags); + status = cmd->frame->hdr.cmd_status; + instance->jbod_seq_cmd = NULL; + megasas_return_cmd(instance, cmd); + + if (status == MFI_STAT_OK) { + instance->pd_seq_map_id++; + /* Re-register a pd sync seq num cmd */ + if (megasas_sync_pd_seq_num(instance, true)) + instance->use_seqnum_jbod_fp = false; + } else + instance->use_seqnum_jbod_fp = false; + + spin_unlock_irqrestore(instance->host->host_lock, flags); + break; + } + /* * See if got an event notification */ - if (cmd->frame->dcmd.opcode == MR_DCMD_CTRL_EVENT_WAIT) + if (opcode == MR_DCMD_CTRL_EVENT_WAIT) megasas_service_aen(instance, cmd); else megasas_complete_int_cmd(instance, cmd); @@ -2348,15 +3803,16 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, break; default: - printk("megasas: Unknown command completed! [0x%X]\n", + dev_info(&instance->pdev->dev, "Unknown command completed! [0x%X]\n", hdr->cmd); + megasas_complete_int_cmd(instance, cmd); break; } } /** * megasas_issue_pending_cmds_again - issue all pending cmds - * in FW again because of the fw reset + * in FW again because of the fw reset * @instance: Adapter soft state */ static inline void @@ -2374,44 +3830,43 @@ megasas_issue_pending_cmds_again(struct megasas_instance *instance) spin_unlock_irqrestore(&instance->hba_lock, flags); while (!list_empty(&clist_local)) { - cmd = list_entry((&clist_local)->next, + cmd = list_entry((&clist_local)->next, struct megasas_cmd, list); list_del_init(&cmd->list); if (cmd->sync_cmd || cmd->scmd) { - printk(KERN_NOTICE "megaraid_sas: command %p, %p:%d" - "detected to be pending while HBA reset.\n", + dev_notice(&instance->pdev->dev, "command %p, %p:%d" + "detected to be pending while HBA reset\n", cmd, cmd->scmd, cmd->sync_cmd); cmd->retry_for_fw_reset++; if (cmd->retry_for_fw_reset == 3) { - printk(KERN_NOTICE "megaraid_sas: cmd %p, %p:%d" + dev_notice(&instance->pdev->dev, "cmd %p, %p:%d" "was tried multiple times during reset." "Shutting down the HBA\n", cmd, cmd->scmd, cmd->sync_cmd); + instance->instancet->disable_intr(instance); + atomic_set(&instance->fw_reset_no_pci_access, 1); megaraid_sas_kill_hba(instance); - - instance->adprecovery = - MEGASAS_HW_CRITICAL_ERROR; return; } } if (cmd->sync_cmd == 1) { if (cmd->scmd) { - printk(KERN_NOTICE "megaraid_sas: unexpected" + dev_notice(&instance->pdev->dev, "unexpected" "cmd attached to internal command!\n"); } - printk(KERN_NOTICE "megasas: %p synchronous cmd" + dev_notice(&instance->pdev->dev, "%p synchronous cmd" "on the internal reset queue," "issue it again.\n", cmd); - cmd->cmd_status = ENODATA; + cmd->cmd_status_drv = DCMD_INIT; instance->instancet->fire_cmd(instance, - cmd->frame_phys_addr , + cmd->frame_phys_addr, 0, instance->reg_set); } else if (cmd->scmd) { - printk(KERN_NOTICE "megasas: %p scsi cmd [%02x]" + dev_notice(&instance->pdev->dev, "%p scsi cmd [%02x]" "detected on the internal queue, issue again.\n", cmd, cmd->scmd->cmnd[0]); @@ -2420,22 +3875,22 @@ megasas_issue_pending_cmds_again(struct megasas_instance *instance) cmd->frame_phys_addr, cmd->frame_count-1, instance->reg_set); } else { - printk(KERN_NOTICE "megasas: %p unexpected cmd on the" + dev_notice(&instance->pdev->dev, "%p unexpected cmd on the" "internal reset defer list while re-issue!!\n", cmd); } } if (instance->aen_cmd) { - printk(KERN_NOTICE "megaraid_sas: aen_cmd in def process\n"); + dev_notice(&instance->pdev->dev, "aen_cmd in def process\n"); megasas_return_cmd(instance, instance->aen_cmd); - instance->aen_cmd = NULL; + instance->aen_cmd = NULL; } /* - * Initiate AEN (Asynchronous Event Notification) - */ + * Initiate AEN (Asynchronous Event Notification) + */ seq_num = instance->last_seq_num; class_locale.members.reserved = 0; class_locale.members.locale = MR_EVT_LOCALE_ALL; @@ -2444,7 +3899,7 @@ megasas_issue_pending_cmds_again(struct megasas_instance *instance) megasas_register_aen(instance, seq_num, class_locale.word); } -/** +/* * Move the internal reset pending commands to a deferred queue. * * We move the commands pending at internal reset time to a @@ -2452,27 +3907,27 @@ megasas_issue_pending_cmds_again(struct megasas_instance *instance) * completion of the internal reset sequence. if the internal reset * did not complete in time, the kernel reset handler would flush * these commands. - **/ + */ static void megasas_internal_reset_defer_cmds(struct megasas_instance *instance) { struct megasas_cmd *cmd; int i; - u32 max_cmd = instance->max_fw_cmds; + u16 max_cmd = instance->max_fw_cmds; u32 defer_index; unsigned long flags; - defer_index = 0; - spin_lock_irqsave(&instance->cmd_pool_lock, flags); + defer_index = 0; + spin_lock_irqsave(&instance->mfi_pool_lock, flags); for (i = 0; i < max_cmd; i++) { cmd = instance->cmd_list[i]; if (cmd->sync_cmd == 1 || cmd->scmd) { - printk(KERN_NOTICE "megasas: moving cmd[%d]:%p:%d:%p" + dev_notice(&instance->pdev->dev, "moving cmd[%d]:%p:%d:%p" "on the defer queue as internal\n", defer_index, cmd, cmd->sync_cmd, cmd->scmd); if (!list_empty(&cmd->list)) { - printk(KERN_NOTICE "megaraid_sas: ERROR while" + dev_notice(&instance->pdev->dev, "ERROR while" " moving this cmd:%p, %d %p, it was" "discovered on some list?\n", cmd, cmd->sync_cmd, cmd->scmd); @@ -2484,7 +3939,7 @@ megasas_internal_reset_defer_cmds(struct megasas_instance *instance) &instance->internal_reset_pending_q); } } - spin_unlock_irqrestore(&instance->cmd_pool_lock, flags); + spin_unlock_irqrestore(&instance->mfi_pool_lock, flags); } @@ -2496,14 +3951,14 @@ process_fw_state_change_wq(struct work_struct *work) u32 wait; unsigned long flags; - if (instance->adprecovery != MEGASAS_ADPRESET_SM_INFAULT) { - printk(KERN_NOTICE "megaraid_sas: error, recovery st %x \n", - instance->adprecovery); + if (atomic_read(&instance->adprecovery) != MEGASAS_ADPRESET_SM_INFAULT) { + dev_notice(&instance->pdev->dev, "error, recovery st %x\n", + atomic_read(&instance->adprecovery)); return ; } - if (instance->adprecovery == MEGASAS_ADPRESET_SM_INFAULT) { - printk(KERN_NOTICE "megaraid_sas: FW detected to be in fault" + if (atomic_read(&instance->adprecovery) == MEGASAS_ADPRESET_SM_INFAULT) { + dev_notice(&instance->pdev->dev, "FW detected to be in fault" "state, restarting it...\n"); instance->instancet->disable_intr(instance); @@ -2511,24 +3966,24 @@ process_fw_state_change_wq(struct work_struct *work) atomic_set(&instance->fw_reset_no_pci_access, 1); instance->instancet->adp_reset(instance, instance->reg_set); - atomic_set(&instance->fw_reset_no_pci_access, 0 ); + atomic_set(&instance->fw_reset_no_pci_access, 0); - printk(KERN_NOTICE "megaraid_sas: FW restarted successfully," + dev_notice(&instance->pdev->dev, "FW restarted successfully," "initiating next stage...\n"); - printk(KERN_NOTICE "megaraid_sas: HBA recovery state machine," + dev_notice(&instance->pdev->dev, "HBA recovery state machine," "state 2 starting...\n"); - /*waitting for about 20 second before start the second init*/ + /* waiting for about 20 second before start the second init */ for (wait = 0; wait < 30; wait++) { msleep(1000); } if (megasas_transition_to_ready(instance, 1)) { - printk(KERN_NOTICE "megaraid_sas:adapter not ready\n"); + dev_notice(&instance->pdev->dev, "adapter not ready\n"); + atomic_set(&instance->fw_reset_no_pci_access, 1); megaraid_sas_kill_hba(instance); - instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR; return ; } @@ -2545,22 +4000,21 @@ process_fw_state_change_wq(struct work_struct *work) megasas_issue_init_mfi(instance); spin_lock_irqsave(&instance->hba_lock, flags); - instance->adprecovery = MEGASAS_HBA_OPERATIONAL; + atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); spin_unlock_irqrestore(&instance->hba_lock, flags); instance->instancet->enable_intr(instance); megasas_issue_pending_cmds_again(instance); instance->issuepend_done = 1; } - return ; } /** * megasas_deplete_reply_queue - Processes all completed commands * @instance: Adapter soft state * @alt_status: Alternate status to be returned to - * SCSI mid-layer instead of the status - * returned by the FW + * SCSI mid-layer instead of the status + * returned by the FW * Note: this must be called with hba lock held */ static int @@ -2570,14 +4024,11 @@ megasas_deplete_reply_queue(struct megasas_instance *instance, u32 mfiStatus; u32 fw_state; - if ((mfiStatus = instance->instancet->check_reset(instance, - instance->reg_set)) == 1) { + if (instance->instancet->check_reset(instance, instance->reg_set) == 1) return IRQ_HANDLED; - } - if ((mfiStatus = instance->instancet->clear_intr( - instance->reg_set) - ) == 0) { + mfiStatus = instance->instancet->clear_intr(instance); + if (mfiStatus == 0) { /* Hardware may not set outbound_intr_status in MSI-X mode */ if (!instance->msix_vectors) return IRQ_NONE; @@ -2587,16 +4038,16 @@ megasas_deplete_reply_queue(struct megasas_instance *instance, if ((mfiStatus & MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE)) { fw_state = instance->instancet->read_fw_status_reg( - instance->reg_set) & MFI_STATE_MASK; + instance) & MFI_STATE_MASK; if (fw_state != MFI_STATE_FAULT) { - printk(KERN_NOTICE "megaraid_sas: fw state:%x\n", + dev_notice(&instance->pdev->dev, "fw state:%x\n", fw_state); } if ((fw_state == MFI_STATE_FAULT) && (instance->disableOnlineCtrlReset == 0)) { - printk(KERN_NOTICE "megaraid_sas: wait adp restart\n"); + dev_notice(&instance->pdev->dev, "wait adp restart\n"); if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1064R) || @@ -2606,25 +4057,25 @@ megasas_deplete_reply_queue(struct megasas_instance *instance, PCI_DEVICE_ID_LSI_VERDE_ZCR)) { *instance->consumer = - MEGASAS_ADPRESET_INPROG_SIGN; + cpu_to_le32(MEGASAS_ADPRESET_INPROG_SIGN); } instance->instancet->disable_intr(instance); - instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; + atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); instance->issuepend_done = 0; atomic_set(&instance->fw_outstanding, 0); megasas_internal_reset_defer_cmds(instance); - printk(KERN_NOTICE "megasas: fwState=%x, stage:%d\n", - fw_state, instance->adprecovery); + dev_notice(&instance->pdev->dev, "fwState=%x, stage:%d\n", + fw_state, atomic_read(&instance->adprecovery)); schedule_work(&instance->work_init); return IRQ_HANDLED; } else { - printk(KERN_NOTICE "megasas: fwstate:%x, dis_OCR=%x\n", + dev_notice(&instance->pdev->dev, "fwstate:%x, dis_OCR=%x\n", fw_state, instance->disableOnlineCtrlReset); } } @@ -2632,21 +4083,24 @@ megasas_deplete_reply_queue(struct megasas_instance *instance, tasklet_schedule(&instance->isr_tasklet); return IRQ_HANDLED; } + /** * megasas_isr - isr entry point + * @irq: IRQ number + * @devp: IRQ context address */ static irqreturn_t megasas_isr(int irq, void *devp) { struct megasas_irq_context *irq_context = devp; struct megasas_instance *instance = irq_context->instance; unsigned long flags; - irqreturn_t rc; + irqreturn_t rc; if (atomic_read(&instance->fw_reset_no_pci_access)) return IRQ_HANDLED; spin_lock_irqsave(&instance->hba_lock, flags); - rc = megasas_deplete_reply_queue(instance, DID_OK); + rc = megasas_deplete_reply_queue(instance, DID_OK); spin_unlock_irqrestore(&instance->hba_lock, flags); return rc; @@ -2655,6 +4109,7 @@ static irqreturn_t megasas_isr(int irq, void *devp) /** * megasas_transition_to_ready - Move the FW to READY state * @instance: Adapter soft state + * @ocr: Adapter reset state * * During the initialization, FW passes can potentially be in any one of * several possible states. If the FW in operational, waiting-for-handshake @@ -2667,30 +4122,32 @@ megasas_transition_to_ready(struct megasas_instance *instance, int ocr) int i; u8 max_wait; u32 fw_state; - u32 cur_state; u32 abs_state, curr_abs_state; - fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK; + abs_state = instance->instancet->read_fw_status_reg(instance); + fw_state = abs_state & MFI_STATE_MASK; if (fw_state != MFI_STATE_READY) - printk(KERN_INFO "megasas: Waiting for FW to come to ready" + dev_info(&instance->pdev->dev, "Waiting for FW to come to ready" " state\n"); while (fw_state != MFI_STATE_READY) { - abs_state = - instance->instancet->read_fw_status_reg(instance->reg_set); - switch (fw_state) { case MFI_STATE_FAULT: - printk(KERN_DEBUG "megasas: FW in FAULT state!!\n"); + dev_printk(KERN_ERR, &instance->pdev->dev, + "FW in FAULT state, Fault code:0x%x subcode:0x%x func:%s\n", + abs_state & MFI_STATE_FAULT_CODE, + abs_state & MFI_STATE_FAULT_SUBCODE, __func__); if (ocr) { max_wait = MEGASAS_RESET_WAIT_TIME; - cur_state = MFI_STATE_FAULT; break; - } else + } else { + dev_printk(KERN_DEBUG, &instance->pdev->dev, "System Register set:\n"); + megasas_dump_reg_set(instance->reg_set); return -ENODEV; + } case MFI_STATE_WAIT_HANDSHAKE: /* @@ -2700,23 +4157,16 @@ megasas_transition_to_ready(struct megasas_instance *instance, int ocr) PCI_DEVICE_ID_LSI_SAS0073SKINNY) || (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) || - (instance->pdev->device == - PCI_DEVICE_ID_LSI_FUSION) || - (instance->pdev->device == - PCI_DEVICE_ID_LSI_INVADER) || - (instance->pdev->device == - PCI_DEVICE_ID_LSI_FURY)) { + (instance->adapter_type != MFI_SERIES)) writel( MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG, &instance->reg_set->doorbell); - } else { + else writel( MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG, &instance->reg_set->inbound_doorbell); - } max_wait = MEGASAS_RESET_WAIT_TIME; - cur_state = MFI_STATE_WAIT_HANDSHAKE; break; case MFI_STATE_BOOT_MESSAGE_PENDING: @@ -2724,20 +4174,14 @@ megasas_transition_to_ready(struct megasas_instance *instance, int ocr) PCI_DEVICE_ID_LSI_SAS0073SKINNY) || (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) || - (instance->pdev->device == - PCI_DEVICE_ID_LSI_FUSION) || - (instance->pdev->device == - PCI_DEVICE_ID_LSI_INVADER) || - (instance->pdev->device == - PCI_DEVICE_ID_LSI_FURY)) { + (instance->adapter_type != MFI_SERIES)) writel(MFI_INIT_HOTPLUG, &instance->reg_set->doorbell); - } else + else writel(MFI_INIT_HOTPLUG, &instance->reg_set->inbound_doorbell); max_wait = MEGASAS_RESET_WAIT_TIME; - cur_state = MFI_STATE_BOOT_MESSAGE_PENDING; break; case MFI_STATE_OPERATIONAL: @@ -2749,22 +4193,14 @@ megasas_transition_to_ready(struct megasas_instance *instance, int ocr) PCI_DEVICE_ID_LSI_SAS0073SKINNY) || (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) || - (instance->pdev->device - == PCI_DEVICE_ID_LSI_FUSION) || - (instance->pdev->device - == PCI_DEVICE_ID_LSI_INVADER) || - (instance->pdev->device - == PCI_DEVICE_ID_LSI_FURY)) { + (instance->adapter_type != MFI_SERIES)) { writel(MFI_RESET_FLAGS, &instance->reg_set->doorbell); - if ((instance->pdev->device == - PCI_DEVICE_ID_LSI_FUSION) || - (instance->pdev->device == - PCI_DEVICE_ID_LSI_INVADER) || - (instance->pdev->device == - PCI_DEVICE_ID_LSI_FURY)) { + + if (instance->adapter_type != MFI_SERIES) { for (i = 0; i < (10 * 1000); i += 20) { - if (readl( + if (megasas_readl( + instance, &instance-> reg_set-> doorbell) & 1) @@ -2778,7 +4214,6 @@ megasas_transition_to_ready(struct megasas_instance *instance, int ocr) &instance->reg_set->inbound_doorbell); max_wait = MEGASAS_RESET_WAIT_TIME; - cur_state = MFI_STATE_OPERATIONAL; break; case MFI_STATE_UNDEFINED: @@ -2786,51 +4221,45 @@ megasas_transition_to_ready(struct megasas_instance *instance, int ocr) * This state should not last for more than 2 seconds */ max_wait = MEGASAS_RESET_WAIT_TIME; - cur_state = MFI_STATE_UNDEFINED; break; case MFI_STATE_BB_INIT: max_wait = MEGASAS_RESET_WAIT_TIME; - cur_state = MFI_STATE_BB_INIT; break; case MFI_STATE_FW_INIT: max_wait = MEGASAS_RESET_WAIT_TIME; - cur_state = MFI_STATE_FW_INIT; break; case MFI_STATE_FW_INIT_2: max_wait = MEGASAS_RESET_WAIT_TIME; - cur_state = MFI_STATE_FW_INIT_2; break; case MFI_STATE_DEVICE_SCAN: max_wait = MEGASAS_RESET_WAIT_TIME; - cur_state = MFI_STATE_DEVICE_SCAN; break; case MFI_STATE_FLUSH_CACHE: max_wait = MEGASAS_RESET_WAIT_TIME; - cur_state = MFI_STATE_FLUSH_CACHE; break; default: - printk(KERN_DEBUG "megasas: Unknown state 0x%x\n", + dev_printk(KERN_DEBUG, &instance->pdev->dev, "Unknown state 0x%x\n", fw_state); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "System Register set:\n"); + megasas_dump_reg_set(instance->reg_set); return -ENODEV; } /* * The cur_state should not last for more than max_wait secs */ - for (i = 0; i < (max_wait * 1000); i++) { - fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) & - MFI_STATE_MASK ; - curr_abs_state = - instance->instancet->read_fw_status_reg(instance->reg_set); + for (i = 0; i < max_wait * 50; i++) { + curr_abs_state = instance->instancet-> + read_fw_status_reg(instance); if (abs_state == curr_abs_state) { - msleep(1); + msleep(20); } else break; } @@ -2839,12 +4268,17 @@ megasas_transition_to_ready(struct megasas_instance *instance, int ocr) * Return error if fw_state hasn't changed after max_wait */ if (curr_abs_state == abs_state) { - printk(KERN_DEBUG "FW state [%d] hasn't changed " + dev_printk(KERN_DEBUG, &instance->pdev->dev, "FW state [%d] hasn't changed " "in %d secs\n", fw_state, max_wait); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "System Register set:\n"); + megasas_dump_reg_set(instance->reg_set); return -ENODEV; } + + abs_state = curr_abs_state; + fw_state = curr_abs_state & MFI_STATE_MASK; } - printk(KERN_INFO "megasas: FW now in Ready state\n"); + dev_info(&instance->pdev->dev, "FW now in Ready state\n"); return 0; } @@ -2856,7 +4290,7 @@ megasas_transition_to_ready(struct megasas_instance *instance, int ocr) static void megasas_teardown_frame_pool(struct megasas_instance *instance) { int i; - u32 max_cmd = instance->max_mfi_cmds; + u16 max_cmd = instance->max_mfi_cmds; struct megasas_cmd *cmd; if (!instance->frame_dma_pool) @@ -2870,19 +4304,19 @@ static void megasas_teardown_frame_pool(struct megasas_instance *instance) cmd = instance->cmd_list[i]; if (cmd->frame) - pci_pool_free(instance->frame_dma_pool, cmd->frame, + dma_pool_free(instance->frame_dma_pool, cmd->frame, cmd->frame_phys_addr); if (cmd->sense) - pci_pool_free(instance->sense_dma_pool, cmd->sense, + dma_pool_free(instance->sense_dma_pool, cmd->sense, cmd->sense_phys_addr); } /* * Now destroy the pool itself */ - pci_pool_destroy(instance->frame_dma_pool); - pci_pool_destroy(instance->sense_dma_pool); + dma_pool_destroy(instance->frame_dma_pool); + dma_pool_destroy(instance->sense_dma_pool); instance->frame_dma_pool = NULL; instance->sense_dma_pool = NULL; @@ -2900,58 +4334,46 @@ static void megasas_teardown_frame_pool(struct megasas_instance *instance) static int megasas_create_frame_pool(struct megasas_instance *instance) { int i; - u32 max_cmd; - u32 sge_sz; - u32 sgl_sz; - u32 total_sz; + u16 max_cmd; u32 frame_count; struct megasas_cmd *cmd; max_cmd = instance->max_mfi_cmds; /* - * Size of our frame is 64 bytes for MFI frame, followed by max SG - * elements and finally SCSI_SENSE_BUFFERSIZE bytes for sense buffer - */ - sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) : - sizeof(struct megasas_sge32); - - if (instance->flag_ieee) { - sge_sz = sizeof(struct megasas_sge_skinny); - } - - /* - * Calculated the number of 64byte frames required for SGL - */ - sgl_sz = sge_sz * instance->max_num_sge; - frame_count = (sgl_sz + MEGAMFI_FRAME_SIZE - 1) / MEGAMFI_FRAME_SIZE; - frame_count = 15; - - /* - * We need one extra frame for the MFI command + * For MFI controllers. + * max_num_sge = 60 + * max_sge_sz = 16 byte (sizeof megasas_sge_skinny) + * Total 960 byte (15 MFI frame of 64 byte) + * + * Fusion adapter require only 3 extra frame. + * max_num_sge = 16 (defined as MAX_IOCTL_SGE) + * max_sge_sz = 12 byte (sizeof megasas_sge64) + * Total 192 byte (3 MFI frame of 64 byte) */ - frame_count++; - - total_sz = MEGAMFI_FRAME_SIZE * frame_count; + frame_count = (instance->adapter_type == MFI_SERIES) ? + (15 + 1) : (3 + 1); + instance->mfi_frame_size = MEGAMFI_FRAME_SIZE * frame_count; /* * Use DMA pool facility provided by PCI layer */ - instance->frame_dma_pool = pci_pool_create("megasas frame pool", - instance->pdev, total_sz, 64, - 0); + instance->frame_dma_pool = dma_pool_create("megasas frame pool", + &instance->pdev->dev, + instance->mfi_frame_size, 256, 0); if (!instance->frame_dma_pool) { - printk(KERN_DEBUG "megasas: failed to setup frame pool\n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup frame pool\n"); return -ENOMEM; } - instance->sense_dma_pool = pci_pool_create("megasas sense pool", - instance->pdev, 128, 4, 0); + instance->sense_dma_pool = dma_pool_create("megasas sense pool", + &instance->pdev->dev, 128, + 4, 0); if (!instance->sense_dma_pool) { - printk(KERN_DEBUG "megasas: failed to setup sense pool\n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup sense pool\n"); - pci_pool_destroy(instance->frame_dma_pool); + dma_pool_destroy(instance->frame_dma_pool); instance->frame_dma_pool = NULL; return -ENOMEM; @@ -2966,10 +4388,10 @@ static int megasas_create_frame_pool(struct megasas_instance *instance) cmd = instance->cmd_list[i]; - cmd->frame = pci_pool_alloc(instance->frame_dma_pool, + cmd->frame = dma_pool_zalloc(instance->frame_dma_pool, GFP_KERNEL, &cmd->frame_phys_addr); - cmd->sense = pci_pool_alloc(instance->sense_dma_pool, + cmd->sense = dma_pool_alloc(instance->sense_dma_pool, GFP_KERNEL, &cmd->sense_phys_addr); /* @@ -2977,18 +4399,14 @@ static int megasas_create_frame_pool(struct megasas_instance *instance) * whatever has been allocated */ if (!cmd->frame || !cmd->sense) { - printk(KERN_DEBUG "megasas: pci_pool_alloc failed \n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "dma_pool_alloc failed\n"); megasas_teardown_frame_pool(instance); return -ENOMEM; } - memset(cmd->frame, 0, total_sz); - cmd->frame->io.context = cmd->index; + cmd->frame->io.context = cpu_to_le32(cmd->index); cmd->frame->io.pad_0 = 0; - if ((instance->pdev->device != PCI_DEVICE_ID_LSI_FUSION) && - (instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER) && - (instance->pdev->device != PCI_DEVICE_ID_LSI_FURY) && - (reset_devices)) + if ((instance->adapter_type == MFI_SERIES) && reset_devices) cmd->frame->hdr.cmd = MFI_CMD_INVALID; } @@ -3002,6 +4420,7 @@ static int megasas_create_frame_pool(struct megasas_instance *instance) void megasas_free_cmds(struct megasas_instance *instance) { int i; + /* First free the MFI frame pool */ megasas_teardown_frame_pool(instance); @@ -3039,7 +4458,7 @@ int megasas_alloc_cmds(struct megasas_instance *instance) { int i; int j; - u32 max_cmd; + u16 max_cmd; struct megasas_cmd *cmd; max_cmd = instance->max_mfi_cmds; @@ -3052,12 +4471,10 @@ int megasas_alloc_cmds(struct megasas_instance *instance) instance->cmd_list = kcalloc(max_cmd, sizeof(struct megasas_cmd*), GFP_KERNEL); if (!instance->cmd_list) { - printk(KERN_DEBUG "megasas: out of memory\n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "out of memory\n"); return -ENOMEM; } - memset(instance->cmd_list, 0, sizeof(struct megasas_cmd *) *max_cmd); - for (i = 0; i < max_cmd; i++) { instance->cmd_list[i] = kmalloc(sizeof(struct megasas_cmd), GFP_KERNEL); @@ -3074,9 +4491,6 @@ int megasas_alloc_cmds(struct megasas_instance *instance) } } - /* - * Add all the commands to command pool (instance->cmd_pool) - */ for (i = 0; i < max_cmd; i++) { cmd = instance->cmd_list[i]; memset(cmd, 0, sizeof(struct megasas_cmd)); @@ -3091,14 +4505,112 @@ int megasas_alloc_cmds(struct megasas_instance *instance) * Create a frame pool and assign one frame to each cmd */ if (megasas_create_frame_pool(instance)) { - printk(KERN_DEBUG "megasas: Error creating frame DMA pool\n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "Error creating frame DMA pool\n"); megasas_free_cmds(instance); + return -ENOMEM; } return 0; } /* + * dcmd_timeout_ocr_possible - Check if OCR is possible based on Driver/FW state. + * @instance: Adapter soft state + * + * Return 0 for only Fusion adapter, if driver load/unload is not in progress + * or FW is not under OCR. + */ +inline int +dcmd_timeout_ocr_possible(struct megasas_instance *instance) { + + if (instance->adapter_type == MFI_SERIES) + return KILL_ADAPTER; + else if (instance->unload || + test_bit(MEGASAS_FUSION_OCR_NOT_POSSIBLE, + &instance->reset_flags)) + return IGNORE_TIMEOUT; + else + return INITIATE_OCR; +} + +static void +megasas_get_pd_info(struct megasas_instance *instance, struct scsi_device *sdev) +{ + int ret; + struct megasas_cmd *cmd; + struct megasas_dcmd_frame *dcmd; + + struct MR_PRIV_DEVICE *mr_device_priv_data; + u16 device_id = 0; + + device_id = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id; + cmd = megasas_get_cmd(instance); + + if (!cmd) { + dev_err(&instance->pdev->dev, "Failed to get cmd %s\n", __func__); + return; + } + + dcmd = &cmd->frame->dcmd; + + memset(instance->pd_info, 0, sizeof(*instance->pd_info)); + memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); + + dcmd->mbox.s[0] = cpu_to_le16(device_id); + dcmd->cmd = MFI_CMD_DCMD; + dcmd->cmd_status = 0xFF; + dcmd->sge_count = 1; + dcmd->flags = MFI_FRAME_DIR_READ; + dcmd->timeout = 0; + dcmd->pad_0 = 0; + dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_PD_INFO)); + dcmd->opcode = cpu_to_le32(MR_DCMD_PD_GET_INFO); + + megasas_set_dma_settings(instance, dcmd, instance->pd_info_h, + sizeof(struct MR_PD_INFO)); + + if ((instance->adapter_type != MFI_SERIES) && + !instance->mask_interrupts) + ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS); + else + ret = megasas_issue_polled(instance, cmd); + + switch (ret) { + case DCMD_SUCCESS: + mr_device_priv_data = sdev->hostdata; + le16_to_cpus((u16 *)&instance->pd_info->state.ddf.pdType); + mr_device_priv_data->interface_type = + instance->pd_info->state.ddf.pdType.intf; + break; + + case DCMD_TIMEOUT: + + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + mutex_unlock(&instance->reset_mutex); + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + mutex_lock(&instance->reset_mutex); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", + __func__, __LINE__); + break; + } + + break; + } + + if (ret != DCMD_TIMEOUT) + megasas_return_cmd(instance, cmd); + + return; +} +/* * megasas_get_pd_list_info - Returns FW's pd_list structure * @instance: Adapter soft state * @pd_list: pd_list structure @@ -3115,77 +4627,120 @@ megasas_get_pd_list(struct megasas_instance *instance) struct megasas_dcmd_frame *dcmd; struct MR_PD_LIST *ci; struct MR_PD_ADDRESS *pd_addr; - dma_addr_t ci_h = 0; + + if (instance->pd_list_not_supported) { + dev_info(&instance->pdev->dev, "MR_DCMD_PD_LIST_QUERY " + "not supported by firmware\n"); + return ret; + } + + ci = instance->pd_list_buf; cmd = megasas_get_cmd(instance); if (!cmd) { - printk(KERN_DEBUG "megasas (get_pd_list): Failed to get cmd\n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "(get_pd_list): Failed to get cmd\n"); return -ENOMEM; } dcmd = &cmd->frame->dcmd; - ci = pci_alloc_consistent(instance->pdev, - MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST), &ci_h); - - if (!ci) { - printk(KERN_DEBUG "Failed to alloc mem for pd_list\n"); - megasas_return_cmd(instance, cmd); - return -ENOMEM; - } - memset(ci, 0, sizeof(*ci)); memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); dcmd->mbox.b[0] = MR_PD_QUERY_TYPE_EXPOSED_TO_HOST; dcmd->mbox.b[1] = 0; dcmd->cmd = MFI_CMD_DCMD; - dcmd->cmd_status = 0xFF; + dcmd->cmd_status = MFI_STAT_INVALID_STATUS; dcmd->sge_count = 1; dcmd->flags = MFI_FRAME_DIR_READ; dcmd->timeout = 0; dcmd->pad_0 = 0; - dcmd->data_xfer_len = MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST); - dcmd->opcode = MR_DCMD_PD_LIST_QUERY; - dcmd->sgl.sge32[0].phys_addr = ci_h; - dcmd->sgl.sge32[0].length = MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST); + dcmd->data_xfer_len = cpu_to_le32(MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST)); + dcmd->opcode = cpu_to_le32(MR_DCMD_PD_LIST_QUERY); - if (!megasas_issue_polled(instance, cmd)) { - ret = 0; - } else { - ret = -1; - } + megasas_set_dma_settings(instance, dcmd, instance->pd_list_buf_h, + (MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST))); - /* - * the following function will get the instance PD LIST. - */ + if ((instance->adapter_type != MFI_SERIES) && + !instance->mask_interrupts) + ret = megasas_issue_blocked_cmd(instance, cmd, + MFI_IO_TIMEOUT_SECS); + else + ret = megasas_issue_polled(instance, cmd); - pd_addr = ci->addr; + switch (ret) { + case DCMD_FAILED: + dev_info(&instance->pdev->dev, "MR_DCMD_PD_LIST_QUERY " + "failed/not supported by firmware\n"); - if ( ret == 0 && - (ci->count < - (MEGASAS_MAX_PD_CHANNELS * MEGASAS_MAX_DEV_PER_CHANNEL))) { + if (instance->adapter_type != MFI_SERIES) + megaraid_sas_kill_hba(instance); + else + instance->pd_list_not_supported = 1; + break; + case DCMD_TIMEOUT: + + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + /* + * DCMD failed from AEN path. + * AEN path already hold reset_mutex to avoid PCI access + * while OCR is in progress. + */ + mutex_unlock(&instance->reset_mutex); + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + mutex_lock(&instance->reset_mutex); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d \n", + __func__, __LINE__); + break; + } + + break; - memset(instance->pd_list, 0, - MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)); + case DCMD_SUCCESS: + pd_addr = ci->addr; + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, "%s, sysPD count: 0x%x\n", + __func__, le32_to_cpu(ci->count)); - for (pd_index = 0; pd_index < ci->count; pd_index++) { + if ((le32_to_cpu(ci->count) > + (MEGASAS_MAX_PD_CHANNELS * MEGASAS_MAX_DEV_PER_CHANNEL))) + break; - instance->pd_list[pd_addr->deviceId].tid = - pd_addr->deviceId; - instance->pd_list[pd_addr->deviceId].driveType = - pd_addr->scsiDevType; - instance->pd_list[pd_addr->deviceId].driveState = - MR_PD_STATE_SYSTEM; + memset(instance->local_pd_list, 0, + MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)); + + for (pd_index = 0; pd_index < le32_to_cpu(ci->count); pd_index++) { + instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].tid = + le16_to_cpu(pd_addr->deviceId); + instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].driveType = + pd_addr->scsiDevType; + instance->local_pd_list[le16_to_cpu(pd_addr->deviceId)].driveState = + MR_PD_STATE_SYSTEM; + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, + "PD%d: targetID: 0x%03x deviceType:0x%x\n", + pd_index, le16_to_cpu(pd_addr->deviceId), + pd_addr->scsiDevType); pd_addr++; } + + memcpy(instance->pd_list, instance->local_pd_list, + sizeof(instance->pd_list)); + break; + } - pci_free_consistent(instance->pdev, - MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST), - ci, ci_h); - megasas_return_cmd(instance, cmd); + if (ret != DCMD_TIMEOUT) + megasas_return_cmd(instance, cmd); return ret; } @@ -3207,81 +4762,510 @@ megasas_get_ld_list(struct megasas_instance *instance) struct megasas_dcmd_frame *dcmd; struct MR_LD_LIST *ci; dma_addr_t ci_h = 0; + u32 ld_count; + + ci = instance->ld_list_buf; + ci_h = instance->ld_list_buf_h; cmd = megasas_get_cmd(instance); if (!cmd) { - printk(KERN_DEBUG "megasas_get_ld_list: Failed to get cmd\n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "megasas_get_ld_list: Failed to get cmd\n"); return -ENOMEM; } dcmd = &cmd->frame->dcmd; - ci = pci_alloc_consistent(instance->pdev, - sizeof(struct MR_LD_LIST), - &ci_h); + memset(ci, 0, sizeof(*ci)); + memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); - if (!ci) { - printk(KERN_DEBUG "Failed to alloc mem in get_ld_list\n"); + if (instance->supportmax256vd) + dcmd->mbox.b[0] = 1; + dcmd->cmd = MFI_CMD_DCMD; + dcmd->cmd_status = MFI_STAT_INVALID_STATUS; + dcmd->sge_count = 1; + dcmd->flags = MFI_FRAME_DIR_READ; + dcmd->timeout = 0; + dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_LD_LIST)); + dcmd->opcode = cpu_to_le32(MR_DCMD_LD_GET_LIST); + dcmd->pad_0 = 0; + + megasas_set_dma_settings(instance, dcmd, ci_h, + sizeof(struct MR_LD_LIST)); + + if ((instance->adapter_type != MFI_SERIES) && + !instance->mask_interrupts) + ret = megasas_issue_blocked_cmd(instance, cmd, + MFI_IO_TIMEOUT_SECS); + else + ret = megasas_issue_polled(instance, cmd); + + ld_count = le32_to_cpu(ci->ldCount); + + switch (ret) { + case DCMD_FAILED: + megaraid_sas_kill_hba(instance); + break; + case DCMD_TIMEOUT: + + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + /* + * DCMD failed from AEN path. + * AEN path already hold reset_mutex to avoid PCI access + * while OCR is in progress. + */ + mutex_unlock(&instance->reset_mutex); + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + mutex_lock(&instance->reset_mutex); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", + __func__, __LINE__); + break; + } + + break; + + case DCMD_SUCCESS: + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, "%s, LD count: 0x%x\n", + __func__, ld_count); + + if (ld_count > instance->fw_supported_vd_count) + break; + + memset(instance->ld_ids, 0xff, MAX_LOGICAL_DRIVES_EXT); + + for (ld_index = 0; ld_index < ld_count; ld_index++) { + if (ci->ldList[ld_index].state != 0) { + ids = ci->ldList[ld_index].ref.targetId; + instance->ld_ids[ids] = ci->ldList[ld_index].ref.targetId; + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, + "LD%d: targetID: 0x%03x\n", + ld_index, ids); + } + } + + break; + } + + if (ret != DCMD_TIMEOUT) megasas_return_cmd(instance, cmd); + + return ret; +} + +/** + * megasas_ld_list_query - Returns FW's ld_list structure + * @instance: Adapter soft state + * @query_type: ld_list structure type + * + * Issues an internal command (DCMD) to get the FW's controller PD + * list structure. This information is mainly used to find out SYSTEM + * supported by the FW. + */ +static int +megasas_ld_list_query(struct megasas_instance *instance, u8 query_type) +{ + int ret = 0, ld_index = 0, ids = 0; + struct megasas_cmd *cmd; + struct megasas_dcmd_frame *dcmd; + struct MR_LD_TARGETID_LIST *ci; + dma_addr_t ci_h = 0; + u32 tgtid_count; + + ci = instance->ld_targetid_list_buf; + ci_h = instance->ld_targetid_list_buf_h; + + cmd = megasas_get_cmd(instance); + + if (!cmd) { + dev_warn(&instance->pdev->dev, + "megasas_ld_list_query: Failed to get cmd\n"); return -ENOMEM; } + dcmd = &cmd->frame->dcmd; + memset(ci, 0, sizeof(*ci)); memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); + dcmd->mbox.b[0] = query_type; + if (instance->supportmax256vd) + dcmd->mbox.b[2] = 1; + dcmd->cmd = MFI_CMD_DCMD; - dcmd->cmd_status = 0xFF; + dcmd->cmd_status = MFI_STAT_INVALID_STATUS; dcmd->sge_count = 1; dcmd->flags = MFI_FRAME_DIR_READ; dcmd->timeout = 0; - dcmd->data_xfer_len = sizeof(struct MR_LD_LIST); - dcmd->opcode = MR_DCMD_LD_GET_LIST; - dcmd->sgl.sge32[0].phys_addr = ci_h; - dcmd->sgl.sge32[0].length = sizeof(struct MR_LD_LIST); + dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_LD_TARGETID_LIST)); + dcmd->opcode = cpu_to_le32(MR_DCMD_LD_LIST_QUERY); dcmd->pad_0 = 0; - if (!megasas_issue_polled(instance, cmd)) { - ret = 0; + megasas_set_dma_settings(instance, dcmd, ci_h, + sizeof(struct MR_LD_TARGETID_LIST)); + + if ((instance->adapter_type != MFI_SERIES) && + !instance->mask_interrupts) + ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS); + else + ret = megasas_issue_polled(instance, cmd); + + switch (ret) { + case DCMD_FAILED: + dev_info(&instance->pdev->dev, + "DCMD not supported by firmware - %s %d\n", + __func__, __LINE__); + ret = megasas_get_ld_list(instance); + break; + case DCMD_TIMEOUT: + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + /* + * DCMD failed from AEN path. + * AEN path already hold reset_mutex to avoid PCI access + * while OCR is in progress. + */ + mutex_unlock(&instance->reset_mutex); + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + mutex_lock(&instance->reset_mutex); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", + __func__, __LINE__); + break; + } + + break; + case DCMD_SUCCESS: + tgtid_count = le32_to_cpu(ci->count); + + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, "%s, LD count: 0x%x\n", + __func__, tgtid_count); + + if ((tgtid_count > (instance->fw_supported_vd_count))) + break; + + memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS); + for (ld_index = 0; ld_index < tgtid_count; ld_index++) { + ids = ci->targetId[ld_index]; + instance->ld_ids[ids] = ci->targetId[ld_index]; + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, "LD%d: targetID: 0x%03x\n", + ld_index, ci->targetId[ld_index]); + } + + break; + } + + if (ret != DCMD_TIMEOUT) + megasas_return_cmd(instance, cmd); + + return ret; +} + +/** + * megasas_host_device_list_query + * dcmd.opcode - MR_DCMD_CTRL_DEVICE_LIST_GET + * dcmd.mbox - reserved + * dcmd.sge IN - ptr to return MR_HOST_DEVICE_LIST structure + * Desc: This DCMD will return the combined device list + * Status: MFI_STAT_OK - List returned successfully + * MFI_STAT_INVALID_CMD - Firmware support for the feature has been + * disabled + * @instance: Adapter soft state + * @is_probe: Driver probe check + * Return: 0 if DCMD succeeded + * non-zero if failed + */ +static int +megasas_host_device_list_query(struct megasas_instance *instance, + bool is_probe) +{ + int ret, i, target_id; + struct megasas_cmd *cmd; + struct megasas_dcmd_frame *dcmd; + struct MR_HOST_DEVICE_LIST *ci; + u32 count; + dma_addr_t ci_h; + + ci = instance->host_device_list_buf; + ci_h = instance->host_device_list_buf_h; + + cmd = megasas_get_cmd(instance); + + if (!cmd) { + dev_warn(&instance->pdev->dev, + "%s: failed to get cmd\n", + __func__); + return -ENOMEM; + } + + dcmd = &cmd->frame->dcmd; + + memset(ci, 0, sizeof(*ci)); + memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); + + dcmd->mbox.b[0] = is_probe ? 0 : 1; + dcmd->cmd = MFI_CMD_DCMD; + dcmd->cmd_status = MFI_STAT_INVALID_STATUS; + dcmd->sge_count = 1; + dcmd->flags = MFI_FRAME_DIR_READ; + dcmd->timeout = 0; + dcmd->pad_0 = 0; + dcmd->data_xfer_len = cpu_to_le32(HOST_DEVICE_LIST_SZ); + dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_DEVICE_LIST_GET); + + megasas_set_dma_settings(instance, dcmd, ci_h, HOST_DEVICE_LIST_SZ); + + if (!instance->mask_interrupts) { + ret = megasas_issue_blocked_cmd(instance, cmd, + MFI_IO_TIMEOUT_SECS); } else { - ret = -1; + ret = megasas_issue_polled(instance, cmd); + cmd->flags |= DRV_DCMD_SKIP_REFIRE; } - /* the following function will get the instance PD LIST */ + switch (ret) { + case DCMD_SUCCESS: + /* Fill the internal pd_list and ld_ids array based on + * targetIds returned by FW + */ + count = le32_to_cpu(ci->count); - if ((ret == 0) && (ci->ldCount <= MAX_LOGICAL_DRIVES)) { - memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS); + if (count > (MEGASAS_MAX_PD + MAX_LOGICAL_DRIVES_EXT)) + break; - for (ld_index = 0; ld_index < ci->ldCount; ld_index++) { - if (ci->ldList[ld_index].state != 0) { - ids = ci->ldList[ld_index].ref.targetId; - instance->ld_ids[ids] = - ci->ldList[ld_index].ref.targetId; + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, "%s, Device count: 0x%x\n", + __func__, count); + + memset(instance->local_pd_list, 0, + MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)); + memset(instance->ld_ids, 0xff, MAX_LOGICAL_DRIVES_EXT); + for (i = 0; i < count; i++) { + target_id = le16_to_cpu(ci->host_device_list[i].target_id); + if (ci->host_device_list[i].flags.u.bits.is_sys_pd) { + instance->local_pd_list[target_id].tid = target_id; + instance->local_pd_list[target_id].driveType = + ci->host_device_list[i].scsi_type; + instance->local_pd_list[target_id].driveState = + MR_PD_STATE_SYSTEM; + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, + "Device %d: PD targetID: 0x%03x deviceType:0x%x\n", + i, target_id, ci->host_device_list[i].scsi_type); + } else { + instance->ld_ids[target_id] = target_id; + if (megasas_dbg_lvl & LD_PD_DEBUG) + dev_info(&instance->pdev->dev, + "Device %d: LD targetID: 0x%03x\n", + i, target_id); } } + + memcpy(instance->pd_list, instance->local_pd_list, + sizeof(instance->pd_list)); + break; + + case DCMD_TIMEOUT: + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + mutex_unlock(&instance->reset_mutex); + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + mutex_lock(&instance->reset_mutex); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", + __func__, __LINE__); + break; + } + break; + case DCMD_FAILED: + dev_err(&instance->pdev->dev, + "%s: MR_DCMD_CTRL_DEVICE_LIST_GET failed\n", + __func__); + break; } - pci_free_consistent(instance->pdev, - sizeof(struct MR_LD_LIST), - ci, - ci_h); + if (ret != DCMD_TIMEOUT) + megasas_return_cmd(instance, cmd); - megasas_return_cmd(instance, cmd); return ret; } +/* + * megasas_update_ext_vd_details : Update details w.r.t Extended VD + * instance : Controller's instance +*/ +static void megasas_update_ext_vd_details(struct megasas_instance *instance) +{ + struct fusion_context *fusion; + u32 ventura_map_sz = 0; + + fusion = instance->ctrl_context; + /* For MFI based controllers return dummy success */ + if (!fusion) + return; + + instance->supportmax256vd = + instance->ctrl_info_buf->adapterOperations3.supportMaxExtLDs; + /* Below is additional check to address future FW enhancement */ + if (instance->ctrl_info_buf->max_lds > 64) + instance->supportmax256vd = 1; + + instance->drv_supported_vd_count = MEGASAS_MAX_LD_CHANNELS + * MEGASAS_MAX_DEV_PER_CHANNEL; + instance->drv_supported_pd_count = MEGASAS_MAX_PD_CHANNELS + * MEGASAS_MAX_DEV_PER_CHANNEL; + if (instance->supportmax256vd) { + instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES_EXT; + instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES; + } else { + instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES; + instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES; + } + + dev_info(&instance->pdev->dev, + "FW provided supportMaxExtLDs: %d\tmax_lds: %d\n", + instance->ctrl_info_buf->adapterOperations3.supportMaxExtLDs ? 1 : 0, + instance->ctrl_info_buf->max_lds); + + if (instance->max_raid_mapsize) { + ventura_map_sz = instance->max_raid_mapsize * + MR_MIN_MAP_SIZE; /* 64k */ + fusion->current_map_sz = ventura_map_sz; + fusion->max_map_sz = ventura_map_sz; + } else { + fusion->old_map_sz = + struct_size_t(struct MR_FW_RAID_MAP, ldSpanMap, + instance->fw_supported_vd_count); + fusion->new_map_sz = sizeof(struct MR_FW_RAID_MAP_EXT); + + fusion->max_map_sz = + max(fusion->old_map_sz, fusion->new_map_sz); + + if (instance->supportmax256vd) + fusion->current_map_sz = fusion->new_map_sz; + else + fusion->current_map_sz = fusion->old_map_sz; + } + /* irrespective of FW raid maps, driver raid map is constant */ + fusion->drv_map_sz = sizeof(struct MR_DRV_RAID_MAP_ALL); +} + +/* + * dcmd.opcode - MR_DCMD_CTRL_SNAPDUMP_GET_PROPERTIES + * dcmd.hdr.length - number of bytes to read + * dcmd.sge - Ptr to MR_SNAPDUMP_PROPERTIES + * Desc: Fill in snapdump properties + * Status: MFI_STAT_OK- Command successful + */ +void megasas_get_snapdump_properties(struct megasas_instance *instance) +{ + int ret = 0; + struct megasas_cmd *cmd; + struct megasas_dcmd_frame *dcmd; + struct MR_SNAPDUMP_PROPERTIES *ci; + dma_addr_t ci_h = 0; + + ci = instance->snapdump_prop; + ci_h = instance->snapdump_prop_h; + + if (!ci) + return; + + cmd = megasas_get_cmd(instance); + + if (!cmd) { + dev_dbg(&instance->pdev->dev, "Failed to get a free cmd\n"); + return; + } + + dcmd = &cmd->frame->dcmd; + + memset(ci, 0, sizeof(*ci)); + memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); + + dcmd->cmd = MFI_CMD_DCMD; + dcmd->cmd_status = MFI_STAT_INVALID_STATUS; + dcmd->sge_count = 1; + dcmd->flags = MFI_FRAME_DIR_READ; + dcmd->timeout = 0; + dcmd->pad_0 = 0; + dcmd->data_xfer_len = cpu_to_le32(sizeof(struct MR_SNAPDUMP_PROPERTIES)); + dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_SNAPDUMP_GET_PROPERTIES); + + megasas_set_dma_settings(instance, dcmd, ci_h, + sizeof(struct MR_SNAPDUMP_PROPERTIES)); + + if (!instance->mask_interrupts) { + ret = megasas_issue_blocked_cmd(instance, cmd, + MFI_IO_TIMEOUT_SECS); + } else { + ret = megasas_issue_polled(instance, cmd); + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + } + + switch (ret) { + case DCMD_SUCCESS: + instance->snapdump_wait_time = + min_t(u8, ci->trigger_min_num_sec_before_ocr, + MEGASAS_MAX_SNAP_DUMP_WAIT_TIME); + break; + + case DCMD_TIMEOUT: + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + mutex_unlock(&instance->reset_mutex); + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + mutex_lock(&instance->reset_mutex); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", + __func__, __LINE__); + break; + } + } + + if (ret != DCMD_TIMEOUT) + megasas_return_cmd(instance, cmd); +} + /** - * megasas_get_controller_info - Returns FW's controller structure + * megasas_get_ctrl_info - Returns FW's controller structure * @instance: Adapter soft state - * @ctrl_info: Controller information structure * * Issues an internal command (DCMD) to get the FW's controller structure. * This information is mainly used to find out the maximum IO transfer per * command supported by the FW. */ -static int -megasas_get_ctrl_info(struct megasas_instance *instance, - struct megasas_ctrl_info *ctrl_info) +int +megasas_get_ctrl_info(struct megasas_instance *instance) { int ret = 0; struct megasas_cmd *cmd; @@ -3289,49 +5273,206 @@ megasas_get_ctrl_info(struct megasas_instance *instance, struct megasas_ctrl_info *ci; dma_addr_t ci_h = 0; + ci = instance->ctrl_info_buf; + ci_h = instance->ctrl_info_buf_h; + cmd = megasas_get_cmd(instance); if (!cmd) { - printk(KERN_DEBUG "megasas: Failed to get a free cmd\n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get a free cmd\n"); return -ENOMEM; } dcmd = &cmd->frame->dcmd; - ci = pci_alloc_consistent(instance->pdev, - sizeof(struct megasas_ctrl_info), &ci_h); - - if (!ci) { - printk(KERN_DEBUG "Failed to alloc mem for ctrl info\n"); - megasas_return_cmd(instance, cmd); - return -ENOMEM; - } - memset(ci, 0, sizeof(*ci)); memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); dcmd->cmd = MFI_CMD_DCMD; - dcmd->cmd_status = 0xFF; + dcmd->cmd_status = MFI_STAT_INVALID_STATUS; dcmd->sge_count = 1; dcmd->flags = MFI_FRAME_DIR_READ; dcmd->timeout = 0; dcmd->pad_0 = 0; - dcmd->data_xfer_len = sizeof(struct megasas_ctrl_info); - dcmd->opcode = MR_DCMD_CTRL_GET_INFO; - dcmd->sgl.sge32[0].phys_addr = ci_h; - dcmd->sgl.sge32[0].length = sizeof(struct megasas_ctrl_info); - - if (!megasas_issue_polled(instance, cmd)) { - ret = 0; - memcpy(ctrl_info, ci, sizeof(struct megasas_ctrl_info)); + dcmd->data_xfer_len = cpu_to_le32(sizeof(struct megasas_ctrl_info)); + dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_GET_INFO); + dcmd->mbox.b[0] = 1; + + megasas_set_dma_settings(instance, dcmd, ci_h, + sizeof(struct megasas_ctrl_info)); + + if ((instance->adapter_type != MFI_SERIES) && + !instance->mask_interrupts) { + ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS); } else { - ret = -1; + ret = megasas_issue_polled(instance, cmd); + cmd->flags |= DRV_DCMD_SKIP_REFIRE; } - pci_free_consistent(instance->pdev, sizeof(struct megasas_ctrl_info), - ci, ci_h); + switch (ret) { + case DCMD_SUCCESS: + /* Save required controller information in + * CPU endianness format. + */ + le32_to_cpus((u32 *)&ci->properties.OnOffProperties); + le16_to_cpus((u16 *)&ci->properties.on_off_properties2); + le32_to_cpus((u32 *)&ci->adapterOperations2); + le32_to_cpus((u32 *)&ci->adapterOperations3); + le16_to_cpus((u16 *)&ci->adapter_operations4); + le32_to_cpus((u32 *)&ci->adapter_operations5); + + /* Update the latest Ext VD info. + * From Init path, store current firmware details. + * From OCR path, detect any firmware properties changes. + * in case of Firmware upgrade without system reboot. + */ + megasas_update_ext_vd_details(instance); + instance->support_seqnum_jbod_fp = + ci->adapterOperations3.useSeqNumJbodFP; + instance->support_morethan256jbod = + ci->adapter_operations4.support_pd_map_target_id; + instance->support_nvme_passthru = + ci->adapter_operations4.support_nvme_passthru; + instance->support_pci_lane_margining = + ci->adapter_operations5.support_pci_lane_margining; + instance->task_abort_tmo = ci->TaskAbortTO; + instance->max_reset_tmo = ci->MaxResetTO; + + /*Check whether controller is iMR or MR */ + instance->is_imr = (ci->memory_size ? 0 : 1); + + instance->snapdump_wait_time = + (ci->properties.on_off_properties2.enable_snap_dump ? + MEGASAS_DEFAULT_SNAP_DUMP_WAIT_TIME : 0); + + instance->enable_fw_dev_list = + ci->properties.on_off_properties2.enable_fw_dev_list; + + dev_info(&instance->pdev->dev, + "controller type\t: %s(%dMB)\n", + instance->is_imr ? "iMR" : "MR", + le16_to_cpu(ci->memory_size)); + + instance->disableOnlineCtrlReset = + ci->properties.OnOffProperties.disableOnlineCtrlReset; + instance->secure_jbod_support = + ci->adapterOperations3.supportSecurityonJBOD; + dev_info(&instance->pdev->dev, "Online Controller Reset(OCR)\t: %s\n", + instance->disableOnlineCtrlReset ? "Disabled" : "Enabled"); + dev_info(&instance->pdev->dev, "Secure JBOD support\t: %s\n", + instance->secure_jbod_support ? "Yes" : "No"); + dev_info(&instance->pdev->dev, "NVMe passthru support\t: %s\n", + instance->support_nvme_passthru ? "Yes" : "No"); + dev_info(&instance->pdev->dev, + "FW provided TM TaskAbort/Reset timeout\t: %d secs/%d secs\n", + instance->task_abort_tmo, instance->max_reset_tmo); + dev_info(&instance->pdev->dev, "JBOD sequence map support\t: %s\n", + instance->support_seqnum_jbod_fp ? "Yes" : "No"); + dev_info(&instance->pdev->dev, "PCI Lane Margining support\t: %s\n", + instance->support_pci_lane_margining ? "Yes" : "No"); + + break; + + case DCMD_TIMEOUT: + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + mutex_unlock(&instance->reset_mutex); + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + mutex_lock(&instance->reset_mutex); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", + __func__, __LINE__); + break; + } + break; + case DCMD_FAILED: + megaraid_sas_kill_hba(instance); + break; + + } + + if (ret != DCMD_TIMEOUT) + megasas_return_cmd(instance, cmd); + + return ret; +} + +/* + * megasas_set_crash_dump_params - Sends address of crash dump DMA buffer + * to firmware + * + * @instance: Adapter soft state + * @crash_buf_state - tell FW to turn ON/OFF crash dump feature + MR_CRASH_BUF_TURN_OFF = 0 + MR_CRASH_BUF_TURN_ON = 1 + * @return 0 on success non-zero on failure. + * Issues an internal command (DCMD) to set parameters for crash dump feature. + * Driver will send address of crash dump DMA buffer and set mbox to tell FW + * that driver supports crash dump feature. This DCMD will be sent only if + * crash dump feature is supported by the FW. + * + */ +int megasas_set_crash_dump_params(struct megasas_instance *instance, + u8 crash_buf_state) +{ + int ret = 0; + struct megasas_cmd *cmd; + struct megasas_dcmd_frame *dcmd; + + cmd = megasas_get_cmd(instance); + + if (!cmd) { + dev_err(&instance->pdev->dev, "Failed to get a free cmd\n"); + return -ENOMEM; + } + + + dcmd = &cmd->frame->dcmd; + + memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); + dcmd->mbox.b[0] = crash_buf_state; + dcmd->cmd = MFI_CMD_DCMD; + dcmd->cmd_status = MFI_STAT_INVALID_STATUS; + dcmd->sge_count = 1; + dcmd->flags = MFI_FRAME_DIR_NONE; + dcmd->timeout = 0; + dcmd->pad_0 = 0; + dcmd->data_xfer_len = cpu_to_le32(CRASH_DMA_BUF_SIZE); + dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS); + + megasas_set_dma_settings(instance, dcmd, instance->crash_dump_h, + CRASH_DMA_BUF_SIZE); + + if ((instance->adapter_type != MFI_SERIES) && + !instance->mask_interrupts) + ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS); + else + ret = megasas_issue_polled(instance, cmd); + + if (ret == DCMD_TIMEOUT) { + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, "Ignore DCMD timeout: %s %d\n", + __func__, __LINE__); + break; + } + } else + megasas_return_cmd(instance, cmd); - megasas_return_cmd(instance, cmd); return ret; } @@ -3344,10 +5485,8 @@ megasas_get_ctrl_info(struct megasas_instance *instance, static int megasas_issue_init_mfi(struct megasas_instance *instance) { - u32 context; - + __le32 context; struct megasas_cmd *cmd; - struct megasas_init_frame *init_frame; struct megasas_init_queue_info *initq_info; dma_addr_t init_frame_h; @@ -3375,17 +5514,20 @@ megasas_issue_init_mfi(struct megasas_instance *instance) memset(initq_info, 0, sizeof(struct megasas_init_queue_info)); init_frame->context = context; - initq_info->reply_queue_entries = instance->max_fw_cmds + 1; - initq_info->reply_queue_start_phys_addr_lo = instance->reply_queue_h; + initq_info->reply_queue_entries = cpu_to_le32(instance->max_fw_cmds + 1); + initq_info->reply_queue_start_phys_addr_lo = cpu_to_le32(instance->reply_queue_h); - initq_info->producer_index_phys_addr_lo = instance->producer_h; - initq_info->consumer_index_phys_addr_lo = instance->consumer_h; + initq_info->producer_index_phys_addr_lo = cpu_to_le32(instance->producer_h); + initq_info->consumer_index_phys_addr_lo = cpu_to_le32(instance->consumer_h); init_frame->cmd = MFI_CMD_INIT; - init_frame->cmd_status = 0xFF; - init_frame->queue_info_new_phys_addr_lo = initq_info_h; + init_frame->cmd_status = MFI_STAT_INVALID_STATUS; + init_frame->queue_info_new_phys_addr_lo = + cpu_to_le32(lower_32_bits(initq_info_h)); + init_frame->queue_info_new_phys_addr_hi = + cpu_to_le32(upper_32_bits(initq_info_h)); - init_frame->data_xfer_len = sizeof(struct megasas_init_queue_info); + init_frame->data_xfer_len = cpu_to_le32(sizeof(struct megasas_init_queue_info)); /* * disable the intr before firing the init frame to FW @@ -3397,7 +5539,7 @@ megasas_issue_init_mfi(struct megasas_instance *instance) */ if (megasas_issue_polled(instance, cmd)) { - printk(KERN_ERR "megasas: Failed to init firmware\n"); + dev_err(&instance->pdev->dev, "Failed to init firmware\n"); megasas_return_cmd(instance, cmd); goto fail_fw_init; } @@ -3413,16 +5555,13 @@ fail_fw_init: static u32 megasas_init_adapter_mfi(struct megasas_instance *instance) { - struct megasas_register_set __iomem *reg_set; u32 context_sz; u32 reply_q_sz; - reg_set = instance->reg_set; - /* * Get various operational parameters from status register */ - instance->max_fw_cmds = instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF; + instance->max_fw_cmds = instance->instancet->read_fw_status_reg(instance) & 0x00FFFF; /* * Reduce the max supported cmds by 1. This is to ensure that the * reply_q_sz (1 more than the max cmd that driver may send) @@ -3430,9 +5569,25 @@ megasas_init_adapter_mfi(struct megasas_instance *instance) */ instance->max_fw_cmds = instance->max_fw_cmds-1; instance->max_mfi_cmds = instance->max_fw_cmds; - instance->max_num_sge = (instance->instancet->read_fw_status_reg(reg_set) & 0xFF0000) >> + instance->max_num_sge = (instance->instancet->read_fw_status_reg(instance) & 0xFF0000) >> 0x10; /* + * For MFI skinny adapters, MEGASAS_SKINNY_INT_CMDS commands + * are reserved for IOCTL + driver's internal DCMDs. + */ + if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) || + (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) { + instance->max_scsi_cmds = (instance->max_fw_cmds - + MEGASAS_SKINNY_INT_CMDS); + sema_init(&instance->ioctl_sem, MEGASAS_SKINNY_INT_CMDS); + } else { + instance->max_scsi_cmds = (instance->max_fw_cmds - + MEGASAS_INT_CMDS); + sema_init(&instance->ioctl_sem, (MEGASAS_MFI_IOCTL_CMDS)); + } + + instance->cur_can_queue = instance->max_scsi_cmds; + /* * Create a pool of commands */ if (megasas_alloc_cmds(instance)) @@ -3450,24 +5605,30 @@ megasas_init_adapter_mfi(struct megasas_instance *instance) context_sz = sizeof(u32); reply_q_sz = context_sz * (instance->max_fw_cmds + 1); - instance->reply_queue = pci_alloc_consistent(instance->pdev, - reply_q_sz, - &instance->reply_queue_h); + instance->reply_queue = dma_alloc_coherent(&instance->pdev->dev, + reply_q_sz, &instance->reply_queue_h, GFP_KERNEL); if (!instance->reply_queue) { - printk(KERN_DEBUG "megasas: Out of DMA mem for reply queue\n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "Out of DMA mem for reply queue\n"); goto fail_reply_queue; } if (megasas_issue_init_mfi(instance)) goto fail_fw_init; + if (megasas_get_ctrl_info(instance)) { + dev_err(&instance->pdev->dev, "(%d): Could get controller info " + "Fail from %s %d\n", instance->unique_id, + __func__, __LINE__); + goto fail_fw_init; + } + instance->fw_support_ieee = 0; instance->fw_support_ieee = - (instance->instancet->read_fw_status_reg(reg_set) & + (instance->instancet->read_fw_status_reg(instance) & 0x04000000); - printk(KERN_NOTICE "megasas_init_mfi: fw_support_ieee=%d", + dev_notice(&instance->pdev->dev, "megasas_init_mfi: fw_support_ieee=%d", instance->fw_support_ieee); if (instance->fw_support_ieee) @@ -3477,7 +5638,7 @@ megasas_init_adapter_mfi(struct megasas_instance *instance) fail_fw_init: - pci_free_consistent(instance->pdev, reply_q_sz, + dma_free_coherent(&instance->pdev->dev, reply_q_sz, instance->reply_queue, instance->reply_queue_h); fail_reply_queue: megasas_free_cmds(instance); @@ -3486,6 +5647,372 @@ fail_alloc_cmds: return 1; } +static +void megasas_setup_irq_poll(struct megasas_instance *instance) +{ + struct megasas_irq_context *irq_ctx; + u32 count, i; + + count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; + + /* Initialize IRQ poll */ + for (i = 0; i < count; i++) { + irq_ctx = &instance->irq_context[i]; + irq_ctx->os_irq = pci_irq_vector(instance->pdev, i); + irq_ctx->irq_poll_scheduled = false; + irq_poll_init(&irq_ctx->irqpoll, + instance->threshold_reply_count, + megasas_irqpoll); + } +} + +/* + * megasas_setup_irqs_ioapic - register legacy interrupts. + * @instance: Adapter soft state + * + * Do not enable interrupt, only setup ISRs. + * + * Return 0 on success. + */ +static int +megasas_setup_irqs_ioapic(struct megasas_instance *instance) +{ + struct pci_dev *pdev; + + pdev = instance->pdev; + instance->irq_context[0].instance = instance; + instance->irq_context[0].MSIxIndex = 0; + snprintf(instance->irq_context->name, MEGASAS_MSIX_NAME_LEN, "%s%u", + "megasas", instance->host->host_no); + if (request_irq(pci_irq_vector(pdev, 0), + instance->instancet->service_isr, IRQF_SHARED, + instance->irq_context->name, &instance->irq_context[0])) { + dev_err(&instance->pdev->dev, + "Failed to register IRQ from %s %d\n", + __func__, __LINE__); + return -1; + } + instance->perf_mode = MR_LATENCY_PERF_MODE; + instance->low_latency_index_start = 0; + return 0; +} + +/** + * megasas_setup_irqs_msix - register MSI-x interrupts. + * @instance: Adapter soft state + * @is_probe: Driver probe check + * + * Do not enable interrupt, only setup ISRs. + * + * Return 0 on success. + */ +static int +megasas_setup_irqs_msix(struct megasas_instance *instance, u8 is_probe) +{ + int i, j; + struct pci_dev *pdev; + + pdev = instance->pdev; + + /* Try MSI-x */ + for (i = 0; i < instance->msix_vectors; i++) { + instance->irq_context[i].instance = instance; + instance->irq_context[i].MSIxIndex = i; + snprintf(instance->irq_context[i].name, MEGASAS_MSIX_NAME_LEN, "%s%u-msix%u", + "megasas", instance->host->host_no, i); + if (request_irq(pci_irq_vector(pdev, i), + instance->instancet->service_isr, 0, instance->irq_context[i].name, + &instance->irq_context[i])) { + dev_err(&instance->pdev->dev, + "Failed to register IRQ for vector %d.\n", i); + for (j = 0; j < i; j++) { + if (j < instance->low_latency_index_start) + irq_update_affinity_hint( + pci_irq_vector(pdev, j), NULL); + free_irq(pci_irq_vector(pdev, j), + &instance->irq_context[j]); + } + /* Retry irq register for IO_APIC*/ + instance->msix_vectors = 0; + instance->msix_load_balance = false; + if (is_probe) { + pci_free_irq_vectors(instance->pdev); + return megasas_setup_irqs_ioapic(instance); + } else { + return -1; + } + } + } + + return 0; +} + +/* + * megasas_destroy_irqs- unregister interrupts. + * @instance: Adapter soft state + * return: void + */ +static void +megasas_destroy_irqs(struct megasas_instance *instance) { + + int i; + int count; + struct megasas_irq_context *irq_ctx; + + count = instance->msix_vectors > 0 ? instance->msix_vectors : 1; + if (instance->adapter_type != MFI_SERIES) { + for (i = 0; i < count; i++) { + irq_ctx = &instance->irq_context[i]; + irq_poll_disable(&irq_ctx->irqpoll); + } + } + + if (instance->msix_vectors) + for (i = 0; i < instance->msix_vectors; i++) { + if (i < instance->low_latency_index_start) + irq_update_affinity_hint( + pci_irq_vector(instance->pdev, i), NULL); + free_irq(pci_irq_vector(instance->pdev, i), + &instance->irq_context[i]); + } + else + free_irq(pci_irq_vector(instance->pdev, 0), + &instance->irq_context[0]); +} + +/** + * megasas_setup_jbod_map - setup jbod map for FP seq_number. + * @instance: Adapter soft state + * + * Return 0 on success. + */ +void +megasas_setup_jbod_map(struct megasas_instance *instance) +{ + int i; + struct fusion_context *fusion = instance->ctrl_context; + size_t pd_seq_map_sz; + + pd_seq_map_sz = struct_size_t(struct MR_PD_CFG_SEQ_NUM_SYNC, seq, + MAX_PHYSICAL_DEVICES); + + instance->use_seqnum_jbod_fp = + instance->support_seqnum_jbod_fp; + if (reset_devices || !fusion || + !instance->support_seqnum_jbod_fp) { + dev_info(&instance->pdev->dev, + "JBOD sequence map is disabled %s %d\n", + __func__, __LINE__); + instance->use_seqnum_jbod_fp = false; + return; + } + + if (fusion->pd_seq_sync[0]) + goto skip_alloc; + + for (i = 0; i < JBOD_MAPS_COUNT; i++) { + fusion->pd_seq_sync[i] = dma_alloc_coherent + (&instance->pdev->dev, pd_seq_map_sz, + &fusion->pd_seq_phys[i], GFP_KERNEL); + if (!fusion->pd_seq_sync[i]) { + dev_err(&instance->pdev->dev, + "Failed to allocate memory from %s %d\n", + __func__, __LINE__); + if (i == 1) { + dma_free_coherent(&instance->pdev->dev, + pd_seq_map_sz, fusion->pd_seq_sync[0], + fusion->pd_seq_phys[0]); + fusion->pd_seq_sync[0] = NULL; + } + instance->use_seqnum_jbod_fp = false; + return; + } + } + +skip_alloc: + if (!megasas_sync_pd_seq_num(instance, false) && + !megasas_sync_pd_seq_num(instance, true)) + instance->use_seqnum_jbod_fp = true; + else + instance->use_seqnum_jbod_fp = false; +} + +static void megasas_setup_reply_map(struct megasas_instance *instance) +{ + const struct cpumask *mask; + unsigned int queue, cpu, low_latency_index_start; + + low_latency_index_start = instance->low_latency_index_start; + + for (queue = low_latency_index_start; queue < instance->msix_vectors; queue++) { + mask = pci_irq_get_affinity(instance->pdev, queue); + if (!mask) + goto fallback; + + for_each_cpu(cpu, mask) + instance->reply_map[cpu] = queue; + } + return; + +fallback: + queue = low_latency_index_start; + for_each_possible_cpu(cpu) { + instance->reply_map[cpu] = queue; + if (queue == (instance->msix_vectors - 1)) + queue = low_latency_index_start; + else + queue++; + } +} + +/** + * megasas_get_device_list - Get the PD and LD device list from FW. + * @instance: Adapter soft state + * @return: Success or failure + * + * Issue DCMDs to Firmware to get the PD and LD list. + * Based on the FW support, driver sends the HOST_DEVICE_LIST or combination + * of PD_LIST/LD_LIST_QUERY DCMDs to get the device list. + */ +static +int megasas_get_device_list(struct megasas_instance *instance) +{ + if (instance->enable_fw_dev_list) { + if (megasas_host_device_list_query(instance, true)) + return FAILED; + } else { + if (megasas_get_pd_list(instance) < 0) { + dev_err(&instance->pdev->dev, "failed to get PD list\n"); + return FAILED; + } + + if (megasas_ld_list_query(instance, + MR_LD_QUERY_TYPE_EXPOSED_TO_HOST)) { + dev_err(&instance->pdev->dev, "failed to get LD list\n"); + return FAILED; + } + } + + return SUCCESS; +} + +/** + * megasas_set_high_iops_queue_affinity_and_hint - Set affinity and hint + * for high IOPS queues + * @instance: Adapter soft state + * return: void + */ +static inline void +megasas_set_high_iops_queue_affinity_and_hint(struct megasas_instance *instance) +{ + int i; + unsigned int irq; + const struct cpumask *mask; + + if (instance->perf_mode == MR_BALANCED_PERF_MODE) { + int nid = dev_to_node(&instance->pdev->dev); + + if (nid == NUMA_NO_NODE) + nid = 0; + mask = cpumask_of_node(nid); + + for (i = 0; i < instance->low_latency_index_start; i++) { + irq = pci_irq_vector(instance->pdev, i); + irq_set_affinity_and_hint(irq, mask); + } + } +} + +static int +__megasas_alloc_irq_vectors(struct megasas_instance *instance) +{ + int i, irq_flags; + struct irq_affinity desc = { .pre_vectors = instance->low_latency_index_start }; + struct irq_affinity *descp = &desc; + + irq_flags = PCI_IRQ_MSIX; + + if (instance->smp_affinity_enable) + irq_flags |= PCI_IRQ_AFFINITY | PCI_IRQ_ALL_TYPES; + else + descp = NULL; + + /* Do not allocate msix vectors for poll_queues. + * msix_vectors is always within a range of FW supported reply queue. + */ + i = pci_alloc_irq_vectors_affinity(instance->pdev, + instance->low_latency_index_start, + instance->msix_vectors - instance->iopoll_q_count, irq_flags, descp); + + return i; +} + +/** + * megasas_alloc_irq_vectors - Allocate IRQ vectors/enable MSI-x vectors + * @instance: Adapter soft state + * return: void + */ +static void +megasas_alloc_irq_vectors(struct megasas_instance *instance) +{ + int i; + unsigned int num_msix_req; + + instance->iopoll_q_count = 0; + if ((instance->adapter_type != MFI_SERIES) && + poll_queues) { + + instance->perf_mode = MR_LATENCY_PERF_MODE; + instance->low_latency_index_start = 1; + + /* reserve for default and non-mananged pre-vector. */ + if (instance->msix_vectors > (poll_queues + 2)) + instance->iopoll_q_count = poll_queues; + else + instance->iopoll_q_count = 0; + + num_msix_req = blk_mq_num_online_queues(0) + + instance->low_latency_index_start; + instance->msix_vectors = min(num_msix_req, + instance->msix_vectors); + + } + + i = __megasas_alloc_irq_vectors(instance); + + if (((instance->perf_mode == MR_BALANCED_PERF_MODE) + || instance->iopoll_q_count) && + (i != (instance->msix_vectors - instance->iopoll_q_count))) { + if (instance->msix_vectors) + pci_free_irq_vectors(instance->pdev); + /* Disable Balanced IOPS mode and try realloc vectors */ + instance->perf_mode = MR_LATENCY_PERF_MODE; + instance->low_latency_index_start = 1; + num_msix_req = blk_mq_num_online_queues(0) + + instance->low_latency_index_start; + + instance->msix_vectors = min(num_msix_req, + instance->msix_vectors); + + instance->iopoll_q_count = 0; + i = __megasas_alloc_irq_vectors(instance); + + } + + dev_info(&instance->pdev->dev, + "requested/available msix %d/%d poll_queue %d\n", + instance->msix_vectors - instance->iopoll_q_count, + i, instance->iopoll_q_count); + + if (i > 0) + instance->msix_vectors = i; + else + instance->msix_vectors = 0; + + if (instance->smp_affinity_enable) + megasas_set_high_iops_queue_affinity_and_hint(instance); +} + /** * megasas_init_fw - Initializes the FW * @instance: Adapter soft state @@ -3496,151 +6023,385 @@ fail_alloc_cmds: static int megasas_init_fw(struct megasas_instance *instance) { u32 max_sectors_1; - u32 max_sectors_2; - u32 tmp_sectors, msix_enable, scratch_pad_2; - struct megasas_register_set __iomem *reg_set; - struct megasas_ctrl_info *ctrl_info; + u32 max_sectors_2, tmp_sectors, msix_enable; + u32 scratch_pad_1, scratch_pad_2, scratch_pad_3, status_reg; + resource_size_t base_addr; + void *base_addr_phys; + struct megasas_ctrl_info *ctrl_info = NULL; unsigned long bar_list; - int i, loop, fw_msix_count = 0; + int i, j, loop; + struct IOV_111 *iovPtr; + struct fusion_context *fusion; + bool intr_coalescing; + unsigned int num_msix_req; + u16 lnksta, speed; + + fusion = instance->ctrl_context; /* Find first memory bar */ bar_list = pci_select_bars(instance->pdev, IORESOURCE_MEM); - instance->bar = find_first_bit(&bar_list, sizeof(unsigned long)); - instance->base_addr = pci_resource_start(instance->pdev, instance->bar); - if (pci_request_selected_regions(instance->pdev, instance->bar, + instance->bar = find_first_bit(&bar_list, BITS_PER_LONG); + if (pci_request_selected_regions(instance->pdev, 1<<instance->bar, "megasas: LSI")) { - printk(KERN_DEBUG "megasas: IO memory region busy!\n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "IO memory region busy!\n"); return -EBUSY; } - instance->reg_set = ioremap_nocache(instance->base_addr, 8192); + base_addr = pci_resource_start(instance->pdev, instance->bar); + instance->reg_set = ioremap(base_addr, 8192); if (!instance->reg_set) { - printk(KERN_DEBUG "megasas: Failed to map IO mem\n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to map IO mem\n"); goto fail_ioremap; } - reg_set = instance->reg_set; + base_addr_phys = &base_addr; + dev_printk(KERN_DEBUG, &instance->pdev->dev, + "BAR:0x%lx BAR's base_addr(phys):%pa mapped virt_addr:0x%p\n", + instance->bar, base_addr_phys, instance->reg_set); - switch (instance->pdev->device) { - case PCI_DEVICE_ID_LSI_FUSION: - case PCI_DEVICE_ID_LSI_INVADER: - case PCI_DEVICE_ID_LSI_FURY: + if (instance->adapter_type != MFI_SERIES) instance->instancet = &megasas_instance_template_fusion; + else { + switch (instance->pdev->device) { + case PCI_DEVICE_ID_LSI_SAS1078R: + case PCI_DEVICE_ID_LSI_SAS1078DE: + instance->instancet = &megasas_instance_template_ppc; + break; + case PCI_DEVICE_ID_LSI_SAS1078GEN2: + case PCI_DEVICE_ID_LSI_SAS0079GEN2: + instance->instancet = &megasas_instance_template_gen2; + break; + case PCI_DEVICE_ID_LSI_SAS0073SKINNY: + case PCI_DEVICE_ID_LSI_SAS0071SKINNY: + instance->instancet = &megasas_instance_template_skinny; + break; + case PCI_DEVICE_ID_LSI_SAS1064R: + case PCI_DEVICE_ID_DELL_PERC5: + default: + instance->instancet = &megasas_instance_template_xscale; + instance->pd_list_not_supported = 1; + break; + } + } + + if (megasas_transition_to_ready(instance, 0)) { + dev_info(&instance->pdev->dev, + "Failed to transition controller to ready from %s!\n", + __func__); + if (instance->adapter_type != MFI_SERIES) { + status_reg = instance->instancet->read_fw_status_reg( + instance); + if (status_reg & MFI_RESET_ADAPTER) { + if (megasas_adp_reset_wait_for_ready + (instance, true, 0) == FAILED) + goto fail_ready_state; + } else { + goto fail_ready_state; + } + } else { + atomic_set(&instance->fw_reset_no_pci_access, 1); + instance->instancet->adp_reset + (instance, instance->reg_set); + atomic_set(&instance->fw_reset_no_pci_access, 0); + + /*waiting for about 30 second before retry*/ + ssleep(30); + + if (megasas_transition_to_ready(instance, 0)) + goto fail_ready_state; + } + + dev_info(&instance->pdev->dev, + "FW restarted successfully from %s!\n", + __func__); + } + + megasas_init_ctrl_params(instance); + + if (megasas_set_dma_mask(instance)) + goto fail_ready_state; + + if (megasas_alloc_ctrl_mem(instance)) + goto fail_alloc_dma_buf; + + if (megasas_alloc_ctrl_dma_buffers(instance)) + goto fail_alloc_dma_buf; + + fusion = instance->ctrl_context; + + if (instance->adapter_type >= VENTURA_SERIES) { + scratch_pad_2 = + megasas_readl(instance, + &instance->reg_set->outbound_scratch_pad_2); + instance->max_raid_mapsize = ((scratch_pad_2 >> + MR_MAX_RAID_MAP_SIZE_OFFSET_SHIFT) & + MR_MAX_RAID_MAP_SIZE_MASK); + } + + instance->enable_sdev_max_qd = enable_sdev_max_qd; + + switch (instance->adapter_type) { + case VENTURA_SERIES: + fusion->pcie_bw_limitation = true; break; - case PCI_DEVICE_ID_LSI_SAS1078R: - case PCI_DEVICE_ID_LSI_SAS1078DE: - instance->instancet = &megasas_instance_template_ppc; - break; - case PCI_DEVICE_ID_LSI_SAS1078GEN2: - case PCI_DEVICE_ID_LSI_SAS0079GEN2: - instance->instancet = &megasas_instance_template_gen2; - break; - case PCI_DEVICE_ID_LSI_SAS0073SKINNY: - case PCI_DEVICE_ID_LSI_SAS0071SKINNY: - instance->instancet = &megasas_instance_template_skinny; + case AERO_SERIES: + fusion->r56_div_offload = true; break; - case PCI_DEVICE_ID_LSI_SAS1064R: - case PCI_DEVICE_ID_DELL_PERC5: default: - instance->instancet = &megasas_instance_template_xscale; break; } - /* - * We expect the FW state to be READY - */ - if (megasas_transition_to_ready(instance, 0)) - goto fail_ready_state; - - /* - * MSI-X host index 0 is common for all adapter. - * It is used for all MPT based Adapters. - */ - instance->reply_post_host_index_addr[0] = - (u32 *)((u8 *)instance->reg_set + - MPI2_REPLY_POST_HOST_INDEX_OFFSET); - /* Check if MSI-X is supported while in ready state */ - msix_enable = (instance->instancet->read_fw_status_reg(reg_set) & + msix_enable = (instance->instancet->read_fw_status_reg(instance) & 0x4000000) >> 0x1a; if (msix_enable && !msix_disable) { - scratch_pad_2 = readl - (&instance->reg_set->outbound_scratch_pad_2); + + scratch_pad_1 = megasas_readl + (instance, &instance->reg_set->outbound_scratch_pad_1); /* Check max MSI-X vectors */ - if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) { - instance->msix_vectors = (scratch_pad_2 - & MR_MAX_REPLY_QUEUES_OFFSET) + 1; - fw_msix_count = instance->msix_vectors; - if (msix_vectors) - instance->msix_vectors = - min(msix_vectors, - instance->msix_vectors); - } else if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) - || (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { - /* Invader/Fury supports more than 8 MSI-X */ - instance->msix_vectors = ((scratch_pad_2 - & MR_MAX_REPLY_QUEUES_EXT_OFFSET) - >> MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT) + 1; - fw_msix_count = instance->msix_vectors; - /* Save 1-15 reply post index address to local memory - * Index 0 is already saved from reg offset - * MPI2_REPLY_POST_HOST_INDEX_OFFSET - */ - for (loop = 1; loop < MR_MAX_MSIX_REG_ARRAY; loop++) { - instance->reply_post_host_index_addr[loop] = - (u32 *)((u8 *)instance->reg_set + - MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET - + (loop * 0x10)); + if (fusion) { + if (instance->adapter_type == THUNDERBOLT_SERIES) { + /* Thunderbolt Series*/ + instance->msix_vectors = (scratch_pad_1 + & MR_MAX_REPLY_QUEUES_OFFSET) + 1; + } else { + instance->msix_vectors = ((scratch_pad_1 + & MR_MAX_REPLY_QUEUES_EXT_OFFSET) + >> MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT) + 1; + + /* + * For Invader series, > 8 MSI-x vectors + * supported by FW/HW implies combined + * reply queue mode is enabled. + * For Ventura series, > 16 MSI-x vectors + * supported by FW/HW implies combined + * reply queue mode is enabled. + */ + switch (instance->adapter_type) { + case INVADER_SERIES: + if (instance->msix_vectors > 8) + instance->msix_combined = true; + break; + case AERO_SERIES: + case VENTURA_SERIES: + if (instance->msix_vectors > 16) + instance->msix_combined = true; + break; + } + + if (rdpq_enable) + instance->is_rdpq = (scratch_pad_1 & MR_RDPQ_MODE_OFFSET) ? + 1 : 0; + + if (instance->adapter_type >= INVADER_SERIES && + !instance->msix_combined) { + instance->msix_load_balance = true; + instance->smp_affinity_enable = false; + } + + /* Save 1-15 reply post index address to local memory + * Index 0 is already saved from reg offset + * MPI2_REPLY_POST_HOST_INDEX_OFFSET + */ + for (loop = 1; loop < MR_MAX_MSIX_REG_ARRAY; loop++) { + instance->reply_post_host_index_addr[loop] = + (u32 __iomem *) + ((u8 __iomem *)instance->reg_set + + MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET + + (loop * 0x10)); + } } + + dev_info(&instance->pdev->dev, + "firmware supports msix\t: (%d)", + instance->msix_vectors); if (msix_vectors) instance->msix_vectors = min(msix_vectors, instance->msix_vectors); - } else + } else /* MFI adapters */ instance->msix_vectors = 1; - /* Don't bother allocating more MSI-X vectors than cpus */ - instance->msix_vectors = min(instance->msix_vectors, - (unsigned int)num_online_cpus()); - for (i = 0; i < instance->msix_vectors; i++) - instance->msixentry[i].entry = i; - i = pci_enable_msix(instance->pdev, instance->msixentry, - instance->msix_vectors); - if (i >= 0) { - if (i) { - if (!pci_enable_msix(instance->pdev, - instance->msixentry, i)) - instance->msix_vectors = i; - else - instance->msix_vectors = 0; + + + /* + * For Aero (if some conditions are met), driver will configure a + * few additional reply queues with interrupt coalescing enabled. + * These queues with interrupt coalescing enabled are called + * High IOPS queues and rest of reply queues (based on number of + * logical CPUs) are termed as Low latency queues. + * + * Total Number of reply queues = High IOPS queues + low latency queues + * + * For rest of fusion adapters, 1 additional reply queue will be + * reserved for management commands, rest of reply queues + * (based on number of logical CPUs) will be used for IOs and + * referenced as IO queues. + * Total Number of reply queues = 1 + IO queues + * + * MFI adapters supports single MSI-x so single reply queue + * will be used for IO and management commands. + */ + + intr_coalescing = (scratch_pad_1 & MR_INTR_COALESCING_SUPPORT_OFFSET) ? + true : false; + if (intr_coalescing && + (blk_mq_num_online_queues(0) >= MR_HIGH_IOPS_QUEUE_COUNT) && + (instance->msix_vectors == MEGASAS_MAX_MSIX_QUEUES)) + instance->perf_mode = MR_BALANCED_PERF_MODE; + else + instance->perf_mode = MR_LATENCY_PERF_MODE; + + + if (instance->adapter_type == AERO_SERIES) { + pcie_capability_read_word(instance->pdev, PCI_EXP_LNKSTA, &lnksta); + speed = lnksta & PCI_EXP_LNKSTA_CLS; + + /* + * For Aero, if PCIe link speed is <16 GT/s, then driver should operate + * in latency perf mode and enable R1 PCI bandwidth algorithm + */ + if (speed < 0x4) { + instance->perf_mode = MR_LATENCY_PERF_MODE; + fusion->pcie_bw_limitation = true; } - } else - instance->msix_vectors = 0; - dev_info(&instance->pdev->dev, "[scsi%d]: FW supports" - "<%d> MSIX vector,Online CPUs: <%d>," - "Current MSIX <%d>\n", instance->host->host_no, - fw_msix_count, (unsigned int)num_online_cpus(), - instance->msix_vectors); + /* + * Performance mode settings provided through module parameter-perf_mode will + * take affect only for: + * 1. Aero family of adapters. + * 2. When user sets module parameter- perf_mode in range of 0-2. + */ + if ((perf_mode >= MR_BALANCED_PERF_MODE) && + (perf_mode <= MR_LATENCY_PERF_MODE)) + instance->perf_mode = perf_mode; + /* + * If intr coalescing is not supported by controller FW, then IOPS + * and Balanced modes are not feasible. + */ + if (!intr_coalescing) + instance->perf_mode = MR_LATENCY_PERF_MODE; + + } + + if (instance->perf_mode == MR_BALANCED_PERF_MODE) + instance->low_latency_index_start = + MR_HIGH_IOPS_QUEUE_COUNT; + else + instance->low_latency_index_start = 1; + + num_msix_req = blk_mq_num_online_queues(0) + + instance->low_latency_index_start; + + instance->msix_vectors = min(num_msix_req, + instance->msix_vectors); + + megasas_alloc_irq_vectors(instance); + if (!instance->msix_vectors) + instance->msix_load_balance = false; } + /* + * MSI-X host index 0 is common for all adapter. + * It is used for all MPT based Adapters. + */ + if (instance->msix_combined) { + instance->reply_post_host_index_addr[0] = + (u32 *)((u8 *)instance->reg_set + + MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET); + } else { + instance->reply_post_host_index_addr[0] = + (u32 *)((u8 *)instance->reg_set + + MPI2_REPLY_POST_HOST_INDEX_OFFSET); + } + + if (!instance->msix_vectors) { + i = pci_alloc_irq_vectors(instance->pdev, 1, 1, PCI_IRQ_INTX); + if (i < 0) + goto fail_init_adapter; + } + + megasas_setup_reply_map(instance); + + dev_info(&instance->pdev->dev, + "current msix/max num queues\t: (%d/%u)\n", + instance->msix_vectors, blk_mq_num_online_queues(0)); + dev_info(&instance->pdev->dev, + "RDPQ mode\t: (%s)\n", instance->is_rdpq ? "enabled" : "disabled"); + tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet, + (unsigned long)instance); + + /* + * Below are default value for legacy Firmware. + * non-fusion based controllers + */ + instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES; + instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES; /* Get operational params, sge flags, send init cmd to controller */ if (instance->instancet->init_adapter(instance)) goto fail_init_adapter; - printk(KERN_ERR "megasas: INIT adapter done\n"); + if (instance->adapter_type >= VENTURA_SERIES) { + scratch_pad_3 = + megasas_readl(instance, + &instance->reg_set->outbound_scratch_pad_3); + if ((scratch_pad_3 & MR_NVME_PAGE_SIZE_MASK) >= + MR_DEFAULT_NVME_PAGE_SHIFT) + instance->nvme_page_size = + (1 << (scratch_pad_3 & MR_NVME_PAGE_SIZE_MASK)); - /** for passthrough - * the following function will get the PD LIST. - */ + dev_info(&instance->pdev->dev, + "NVME page size\t: (%d)\n", instance->nvme_page_size); + } + + if (instance->msix_vectors ? + megasas_setup_irqs_msix(instance, 1) : + megasas_setup_irqs_ioapic(instance)) + goto fail_init_adapter; - memset(instance->pd_list, 0 , - (MEGASAS_MAX_PD * sizeof(struct megasas_pd_list))); - megasas_get_pd_list(instance); + if (instance->adapter_type != MFI_SERIES) + megasas_setup_irq_poll(instance); - memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS); - megasas_get_ld_list(instance); + instance->instancet->enable_intr(instance); - ctrl_info = kmalloc(sizeof(struct megasas_ctrl_info), GFP_KERNEL); + dev_info(&instance->pdev->dev, "INIT adapter done\n"); + + megasas_setup_jbod_map(instance); + + if (megasas_get_device_list(instance) != SUCCESS) { + dev_err(&instance->pdev->dev, + "%s: megasas_get_device_list failed\n", + __func__); + goto fail_get_ld_pd_list; + } + + /* stream detection initialization */ + if (instance->adapter_type >= VENTURA_SERIES) { + fusion->stream_detect_by_ld = + kcalloc(MAX_LOGICAL_DRIVES_EXT, + sizeof(struct LD_STREAM_DETECT *), + GFP_KERNEL); + if (!fusion->stream_detect_by_ld) { + dev_err(&instance->pdev->dev, + "unable to allocate stream detection for pool of LDs\n"); + goto fail_get_ld_pd_list; + } + for (i = 0; i < MAX_LOGICAL_DRIVES_EXT; ++i) { + fusion->stream_detect_by_ld[i] = + kzalloc(sizeof(struct LD_STREAM_DETECT), + GFP_KERNEL); + if (!fusion->stream_detect_by_ld[i]) { + dev_err(&instance->pdev->dev, + "unable to allocate stream detect by LD\n"); + for (j = 0; j < i; ++j) + kfree(fusion->stream_detect_by_ld[j]); + kfree(fusion->stream_detect_by_ld); + fusion->stream_detect_by_ld = NULL; + goto fail_get_ld_pd_list; + } + fusion->stream_detect_by_ld[i]->mru_bit_map + = MR_STREAM_BITMAP; + } + } /* * Compute the max allowed sectors per IO: The controller info has two @@ -3652,101 +6413,165 @@ static int megasas_init_fw(struct megasas_instance *instance) * to calculate max_sectors_1. So the number ended up as zero always. */ tmp_sectors = 0; - if (ctrl_info && !megasas_get_ctrl_info(instance, ctrl_info)) { + ctrl_info = instance->ctrl_info_buf; + + max_sectors_1 = (1 << ctrl_info->stripe_sz_ops.min) * + le16_to_cpu(ctrl_info->max_strips_per_io); + max_sectors_2 = le32_to_cpu(ctrl_info->max_request_size); + + tmp_sectors = min_t(u32, max_sectors_1, max_sectors_2); + + instance->peerIsPresent = ctrl_info->cluster.peerIsPresent; + instance->passive = ctrl_info->cluster.passive; + memcpy(instance->clusterId, ctrl_info->clusterId, sizeof(instance->clusterId)); + instance->UnevenSpanSupport = + ctrl_info->adapterOperations2.supportUnevenSpans; + if (instance->UnevenSpanSupport) { + struct fusion_context *fusion = instance->ctrl_context; + if (MR_ValidateMapInfo(instance, instance->map_id)) + fusion->fast_path_io = 1; + else + fusion->fast_path_io = 0; - max_sectors_1 = (1 << ctrl_info->stripe_sz_ops.min) * - ctrl_info->max_strips_per_io; - max_sectors_2 = ctrl_info->max_request_size; + } + if (ctrl_info->host_interface.SRIOV) { + instance->requestorId = ctrl_info->iov.requestorId; + if (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA) { + if (!ctrl_info->adapterOperations2.activePassive) + instance->PlasmaFW111 = 1; - tmp_sectors = min_t(u32, max_sectors_1 , max_sectors_2); - - /*Check whether controller is iMR or MR */ - if (ctrl_info->memory_size) { - instance->is_imr = 0; - dev_info(&instance->pdev->dev, "Controller type: MR," - "Memory size is: %dMB\n", - ctrl_info->memory_size); - } else { - instance->is_imr = 1; - dev_info(&instance->pdev->dev, - "Controller type: iMR\n"); - } - instance->disableOnlineCtrlReset = - ctrl_info->properties.OnOffProperties.disableOnlineCtrlReset; - instance->UnevenSpanSupport = - ctrl_info->adapterOperations2.supportUnevenSpans; - if (instance->UnevenSpanSupport) { - struct fusion_context *fusion = instance->ctrl_context; - dev_info(&instance->pdev->dev, "FW supports: " - "UnevenSpanSupport=%x\n", instance->UnevenSpanSupport); - if (MR_ValidateMapInfo(instance)) - fusion->fast_path_io = 1; - else - fusion->fast_path_io = 0; + dev_info(&instance->pdev->dev, "SR-IOV: firmware type: %s\n", + instance->PlasmaFW111 ? "1.11" : "new"); + if (instance->PlasmaFW111) { + iovPtr = (struct IOV_111 *) + ((unsigned char *)ctrl_info + IOV_111_OFFSET); + instance->requestorId = iovPtr->requestorId; + } } + dev_info(&instance->pdev->dev, "SRIOV: VF requestorId %d\n", + instance->requestorId); } + instance->crash_dump_fw_support = + ctrl_info->adapterOperations3.supportCrashDump; + instance->crash_dump_drv_support = + (instance->crash_dump_fw_support && + instance->crash_dump_buf); + if (instance->crash_dump_drv_support) + megasas_set_crash_dump_params(instance, + MR_CRASH_BUF_TURN_OFF); + + else { + if (instance->crash_dump_buf) + dma_free_coherent(&instance->pdev->dev, + CRASH_DMA_BUF_SIZE, + instance->crash_dump_buf, + instance->crash_dump_h); + instance->crash_dump_buf = NULL; + } + + if (instance->snapdump_wait_time) { + megasas_get_snapdump_properties(instance); + dev_info(&instance->pdev->dev, "Snap dump wait time\t: %d\n", + instance->snapdump_wait_time); + } + + dev_info(&instance->pdev->dev, + "pci id\t\t: (0x%04x)/(0x%04x)/(0x%04x)/(0x%04x)\n", + le16_to_cpu(ctrl_info->pci.vendor_id), + le16_to_cpu(ctrl_info->pci.device_id), + le16_to_cpu(ctrl_info->pci.sub_vendor_id), + le16_to_cpu(ctrl_info->pci.sub_device_id)); + dev_info(&instance->pdev->dev, "unevenspan support : %s\n", + instance->UnevenSpanSupport ? "yes" : "no"); + dev_info(&instance->pdev->dev, "firmware crash dump : %s\n", + instance->crash_dump_drv_support ? "yes" : "no"); + dev_info(&instance->pdev->dev, "JBOD sequence map : %s\n", + instance->use_seqnum_jbod_fp ? "enabled" : "disabled"); + instance->max_sectors_per_req = instance->max_num_sge * - PAGE_SIZE / 512; + SGE_BUFFER_SIZE / 512; if (tmp_sectors && (instance->max_sectors_per_req > tmp_sectors)) instance->max_sectors_per_req = tmp_sectors; - kfree(ctrl_info); - /* Check for valid throttlequeuedepth module parameter */ - if (instance->is_imr) { - if (throttlequeuedepth > (instance->max_fw_cmds - - MEGASAS_SKINNY_INT_CMDS)) - instance->throttlequeuedepth = - MEGASAS_THROTTLE_QUEUE_DEPTH; - else - instance->throttlequeuedepth = throttlequeuedepth; - } else { - if (throttlequeuedepth > (instance->max_fw_cmds - - MEGASAS_INT_CMDS)) - instance->throttlequeuedepth = + if (throttlequeuedepth && + throttlequeuedepth <= instance->max_scsi_cmds) + instance->throttlequeuedepth = throttlequeuedepth; + else + instance->throttlequeuedepth = MEGASAS_THROTTLE_QUEUE_DEPTH; - else - instance->throttlequeuedepth = throttlequeuedepth; - } - /* - * Setup tasklet for cmd completion - */ + if ((resetwaittime < 1) || + (resetwaittime > MEGASAS_RESET_WAIT_TIME)) + resetwaittime = MEGASAS_RESET_WAIT_TIME; - tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet, - (unsigned long)instance); + if ((scmd_timeout < 10) || (scmd_timeout > MEGASAS_DEFAULT_CMD_TIMEOUT)) + scmd_timeout = MEGASAS_DEFAULT_CMD_TIMEOUT; + + /* Launch SR-IOV heartbeat timer */ + if (instance->requestorId) { + if (!megasas_sriov_start_heartbeat(instance, 1)) { + megasas_start_timer(instance); + } else { + instance->skip_heartbeat_timer_del = 1; + goto fail_get_ld_pd_list; + } + } + + /* + * Create and start watchdog thread which will monitor + * controller state every 1 sec and trigger OCR when + * it enters fault state + */ + if (instance->adapter_type != MFI_SERIES) + if (megasas_fusion_start_watchdog(instance) != SUCCESS) + goto fail_start_watchdog; return 0; +fail_start_watchdog: + if (instance->requestorId && !instance->skip_heartbeat_timer_del) + timer_delete_sync(&instance->sriov_heartbeat_timer); +fail_get_ld_pd_list: + instance->instancet->disable_intr(instance); + megasas_destroy_irqs(instance); fail_init_adapter: + if (instance->msix_vectors) + pci_free_irq_vectors(instance->pdev); + instance->msix_vectors = 0; +fail_alloc_dma_buf: + megasas_free_ctrl_dma_buffers(instance); + megasas_free_ctrl_mem(instance); fail_ready_state: iounmap(instance->reg_set); - fail_ioremap: - pci_release_selected_regions(instance->pdev, instance->bar); +fail_ioremap: + pci_release_selected_regions(instance->pdev, 1<<instance->bar); + dev_err(&instance->pdev->dev, "Failed from %s %d\n", + __func__, __LINE__); return -EINVAL; } /** * megasas_release_mfi - Reverses the FW initialization - * @intance: Adapter soft state + * @instance: Adapter soft state */ static void megasas_release_mfi(struct megasas_instance *instance) { u32 reply_q_sz = sizeof(u32) *(instance->max_mfi_cmds + 1); if (instance->reply_queue) - pci_free_consistent(instance->pdev, reply_q_sz, + dma_free_coherent(&instance->pdev->dev, reply_q_sz, instance->reply_queue, instance->reply_queue_h); megasas_free_cmds(instance); iounmap(instance->reg_set); - pci_release_selected_regions(instance->pdev, instance->bar); + pci_release_selected_regions(instance->pdev, 1<<instance->bar); } /** @@ -3769,6 +6594,7 @@ megasas_get_seq_num(struct megasas_instance *instance, struct megasas_dcmd_frame *dcmd; struct megasas_evt_log_info *el_info; dma_addr_t el_info_h = 0; + int ret; cmd = megasas_get_cmd(instance); @@ -3777,16 +6603,14 @@ megasas_get_seq_num(struct megasas_instance *instance, } dcmd = &cmd->frame->dcmd; - el_info = pci_alloc_consistent(instance->pdev, - sizeof(struct megasas_evt_log_info), - &el_info_h); - + el_info = dma_alloc_coherent(&instance->pdev->dev, + sizeof(struct megasas_evt_log_info), + &el_info_h, GFP_KERNEL); if (!el_info) { megasas_return_cmd(instance, cmd); return -ENOMEM; } - memset(el_info, 0, sizeof(*el_info)); memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); dcmd->cmd = MFI_CMD_DCMD; @@ -3795,31 +6619,43 @@ megasas_get_seq_num(struct megasas_instance *instance, dcmd->flags = MFI_FRAME_DIR_READ; dcmd->timeout = 0; dcmd->pad_0 = 0; - dcmd->data_xfer_len = sizeof(struct megasas_evt_log_info); - dcmd->opcode = MR_DCMD_CTRL_EVENT_GET_INFO; - dcmd->sgl.sge32[0].phys_addr = el_info_h; - dcmd->sgl.sge32[0].length = sizeof(struct megasas_evt_log_info); + dcmd->data_xfer_len = cpu_to_le32(sizeof(struct megasas_evt_log_info)); + dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_EVENT_GET_INFO); - megasas_issue_blocked_cmd(instance, cmd); + megasas_set_dma_settings(instance, dcmd, el_info_h, + sizeof(struct megasas_evt_log_info)); + + ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS); + if (ret != DCMD_SUCCESS) { + dev_err(&instance->pdev->dev, "Failed from %s %d\n", + __func__, __LINE__); + goto dcmd_failed; + } /* * Copy the data back into callers buffer */ - memcpy(eli, el_info, sizeof(struct megasas_evt_log_info)); + eli->newest_seq_num = el_info->newest_seq_num; + eli->oldest_seq_num = el_info->oldest_seq_num; + eli->clear_seq_num = el_info->clear_seq_num; + eli->shutdown_seq_num = el_info->shutdown_seq_num; + eli->boot_seq_num = el_info->boot_seq_num; - pci_free_consistent(instance->pdev, sizeof(struct megasas_evt_log_info), - el_info, el_info_h); +dcmd_failed: + dma_free_coherent(&instance->pdev->dev, + sizeof(struct megasas_evt_log_info), + el_info, el_info_h); megasas_return_cmd(instance, cmd); - return 0; + return ret; } /** * megasas_register_aen - Registers for asynchronous event notification * @instance: Adapter soft state * @seq_num: The starting sequence number - * @class_locale: Class of the event + * @class_locale_word: Class of the event * * This function subscribes for AEN for events beyond the @seq_num. It requests * to be notified if and only if the event is of type @class_locale @@ -3851,7 +6687,16 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num, if (instance->aen_cmd) { - prev_aen.word = instance->aen_cmd->frame->dcmd.mbox.w[1]; + prev_aen.word = + le32_to_cpu(instance->aen_cmd->frame->dcmd.mbox.w[1]); + + if ((curr_aen.members.class < MFI_EVT_CLASS_DEBUG) || + (curr_aen.members.class > MFI_EVT_CLASS_DEAD)) { + dev_info(&instance->pdev->dev, + "%s %d out of range class %d send by application\n", + __func__, __LINE__, curr_aen.members.class); + return 0; + } /* * A class whose enum value is smaller is inclusive of all @@ -3880,10 +6725,10 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num, instance->aen_cmd->abort_aen = 1; ret_val = megasas_issue_blocked_abort_cmd(instance, instance-> - aen_cmd); + aen_cmd, 30); if (ret_val) { - printk(KERN_DEBUG "megasas: Failed to abort " + dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to abort " "previous AEN command\n"); return ret_val; } @@ -3910,13 +6755,14 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num, dcmd->flags = MFI_FRAME_DIR_READ; dcmd->timeout = 0; dcmd->pad_0 = 0; + dcmd->data_xfer_len = cpu_to_le32(sizeof(struct megasas_evt_detail)); + dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_EVENT_WAIT); + dcmd->mbox.w[0] = cpu_to_le32(seq_num); instance->last_seq_num = seq_num; - dcmd->data_xfer_len = sizeof(struct megasas_evt_detail); - dcmd->opcode = MR_DCMD_CTRL_EVENT_WAIT; - dcmd->mbox.w[0] = seq_num; - dcmd->mbox.w[1] = curr_aen.word; - dcmd->sgl.sge32[0].phys_addr = (u32) instance->evt_detail_h; - dcmd->sgl.sge32[0].length = sizeof(struct megasas_evt_detail); + dcmd->mbox.w[1] = cpu_to_le32(curr_aen.word); + + megasas_set_dma_settings(instance, dcmd, instance->evt_detail_h, + sizeof(struct megasas_evt_detail)); if (instance->aen_cmd != NULL) { megasas_return_cmd(instance, cmd); @@ -3938,6 +6784,101 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num, return 0; } +/* megasas_get_target_prop - Send DCMD with below details to firmware. + * + * This DCMD will fetch few properties of LD/system PD defined + * in MR_TARGET_DEV_PROPERTIES. eg. Queue Depth, MDTS value. + * + * DCMD send by drivers whenever new target is added to the OS. + * + * dcmd.opcode - MR_DCMD_DEV_GET_TARGET_PROP + * dcmd.mbox.b[0] - DCMD is to be fired for LD or system PD. + * 0 = system PD, 1 = LD. + * dcmd.mbox.s[1] - TargetID for LD/system PD. + * dcmd.sge IN - Pointer to return MR_TARGET_DEV_PROPERTIES. + * + * @instance: Adapter soft state + * @sdev: OS provided scsi device + * + * Returns 0 on success non-zero on failure. + */ +int +megasas_get_target_prop(struct megasas_instance *instance, + struct scsi_device *sdev) +{ + int ret; + struct megasas_cmd *cmd; + struct megasas_dcmd_frame *dcmd; + u16 targetId = ((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + + sdev->id; + + cmd = megasas_get_cmd(instance); + + if (!cmd) { + dev_err(&instance->pdev->dev, + "Failed to get cmd %s\n", __func__); + return -ENOMEM; + } + + dcmd = &cmd->frame->dcmd; + + memset(instance->tgt_prop, 0, sizeof(*instance->tgt_prop)); + memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); + dcmd->mbox.b[0] = MEGASAS_IS_LOGICAL(sdev); + + dcmd->mbox.s[1] = cpu_to_le16(targetId); + dcmd->cmd = MFI_CMD_DCMD; + dcmd->cmd_status = 0xFF; + dcmd->sge_count = 1; + dcmd->flags = MFI_FRAME_DIR_READ; + dcmd->timeout = 0; + dcmd->pad_0 = 0; + dcmd->data_xfer_len = + cpu_to_le32(sizeof(struct MR_TARGET_PROPERTIES)); + dcmd->opcode = cpu_to_le32(MR_DCMD_DRV_GET_TARGET_PROP); + + megasas_set_dma_settings(instance, dcmd, instance->tgt_prop_h, + sizeof(struct MR_TARGET_PROPERTIES)); + + if ((instance->adapter_type != MFI_SERIES) && + !instance->mask_interrupts) + ret = megasas_issue_blocked_cmd(instance, + cmd, MFI_IO_TIMEOUT_SECS); + else + ret = megasas_issue_polled(instance, cmd); + + switch (ret) { + case DCMD_TIMEOUT: + switch (dcmd_timeout_ocr_possible(instance)) { + case INITIATE_OCR: + cmd->flags |= DRV_DCMD_SKIP_REFIRE; + mutex_unlock(&instance->reset_mutex); + megasas_reset_fusion(instance->host, + MFI_IO_TIMEOUT_OCR); + mutex_lock(&instance->reset_mutex); + break; + case KILL_ADAPTER: + megaraid_sas_kill_hba(instance); + break; + case IGNORE_TIMEOUT: + dev_info(&instance->pdev->dev, + "Ignore DCMD timeout: %s %d\n", + __func__, __LINE__); + break; + } + break; + + default: + megasas_return_cmd(instance, cmd); + } + if (ret != DCMD_SUCCESS) + dev_err(&instance->pdev->dev, + "return from %s %d return value %d\n", + __func__, __LINE__, ret); + + return ret; +} + /** * megasas_start_aen - Subscribes to AEN during driver load time * @instance: Adapter soft state @@ -3962,8 +6903,9 @@ static int megasas_start_aen(struct megasas_instance *instance) class_locale.members.locale = MR_EVT_LOCALE_ALL; class_locale.members.class = MR_EVT_CLASS_DEBUG; - return megasas_register_aen(instance, eli.newest_seq_num + 1, - class_locale.word); + return megasas_register_aen(instance, + le32_to_cpu(eli.newest_seq_num) + 1, + class_locale.word); } /** @@ -3977,14 +6919,8 @@ static int megasas_io_attach(struct megasas_instance *instance) /* * Export parameters required by SCSI mid-layer */ - host->irq = instance->pdev->irq; host->unique_id = instance->unique_id; - if (instance->is_imr) { - host->can_queue = - instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS; - } else - host->can_queue = - instance->max_fw_cmds - MEGASAS_INT_CMDS; + host->can_queue = instance->max_scsi_cmds; host->this_id = instance->init_id; host->sg_tablesize = instance->max_num_sge; @@ -4005,7 +6941,7 @@ static int megasas_io_attach(struct megasas_instance *instance) (max_sectors <= MEGASAS_MAX_SECTORS)) { instance->max_sectors_per_req = max_sectors; } else { - printk(KERN_INFO "megasas: max_sectors should be > 0" + dev_info(&instance->pdev->dev, "max_sectors should be > 0" "and <= %d (or < 1MB for GEN2 controller)\n", instance->max_sectors_per_req); } @@ -4019,49 +6955,508 @@ static int megasas_io_attach(struct megasas_instance *instance) host->max_lun = MEGASAS_MAX_LUN; host->max_cmd_len = 16; - /* Fusion only supports host reset */ - if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) { - host->hostt->eh_device_reset_handler = NULL; - host->hostt->eh_bus_reset_handler = NULL; + /* Use shared host tagset only for fusion adaptors + * if there are managed interrupts (smp affinity enabled case). + * Single msix_vectors in kdump, so shared host tag is also disabled. + */ + + host->host_tagset = 0; + host->nr_hw_queues = 1; + + if ((instance->adapter_type != MFI_SERIES) && + (instance->msix_vectors > instance->low_latency_index_start) && + host_tagset_enable && + instance->smp_affinity_enable) { + host->host_tagset = 1; + host->nr_hw_queues = instance->msix_vectors - + instance->low_latency_index_start + instance->iopoll_q_count; + if (instance->iopoll_q_count) + host->nr_maps = 3; + } else { + instance->iopoll_q_count = 0; } + dev_info(&instance->pdev->dev, + "Max firmware commands: %d shared with default " + "hw_queues = %d poll_queues %d\n", instance->max_fw_cmds, + host->nr_hw_queues - instance->iopoll_q_count, + instance->iopoll_q_count); /* * Notify the mid-layer about the new controller */ if (scsi_add_host(host, &instance->pdev->dev)) { - printk(KERN_DEBUG "megasas: scsi_add_host failed\n"); + dev_err(&instance->pdev->dev, + "Failed to add host from %s %d\n", + __func__, __LINE__); return -ENODEV; } - /* - * Trigger SCSI to scan our drives - */ - scsi_scan_host(host); return 0; } +/** + * megasas_set_dma_mask - Set DMA mask for supported controllers + * + * @instance: Adapter soft state + * Description: + * + * For Ventura, driver/FW will operate in 63bit DMA addresses. + * + * For invader- + * By default, driver/FW will operate in 32bit DMA addresses + * for consistent DMA mapping but if 32 bit consistent + * DMA mask fails, driver will try with 63 bit consistent + * mask provided FW is true 63bit DMA capable + * + * For older controllers(Thunderbolt and MFI based adapters)- + * driver/FW will operate in 32 bit consistent DMA addresses. + */ static int -megasas_set_dma_mask(struct pci_dev *pdev) +megasas_set_dma_mask(struct megasas_instance *instance) { - /* - * All our contollers are capable of performing 64-bit DMA - */ + u64 consistent_mask; + struct pci_dev *pdev; + u32 scratch_pad_1; + + pdev = instance->pdev; + consistent_mask = (instance->adapter_type >= VENTURA_SERIES) ? + DMA_BIT_MASK(63) : DMA_BIT_MASK(32); + if (IS_DMA64) { - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) { + if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(63)) && + dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) + goto fail_set_dma_mask; - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) + if ((*pdev->dev.dma_mask == DMA_BIT_MASK(63)) && + (dma_set_coherent_mask(&pdev->dev, consistent_mask) && + dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)))) { + /* + * If 32 bit DMA mask fails, then try for 64 bit mask + * for FW capable of handling 64 bit DMA. + */ + scratch_pad_1 = megasas_readl + (instance, &instance->reg_set->outbound_scratch_pad_1); + + if (!(scratch_pad_1 & MR_CAN_HANDLE_64_BIT_DMA_OFFSET)) + goto fail_set_dma_mask; + else if (dma_set_mask_and_coherent(&pdev->dev, + DMA_BIT_MASK(63))) goto fail_set_dma_mask; } + } else if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) + goto fail_set_dma_mask; + + if (pdev->dev.coherent_dma_mask == DMA_BIT_MASK(32)) + instance->consistent_mask_64bit = false; + else + instance->consistent_mask_64bit = true; + + dev_info(&pdev->dev, "%s bit DMA mask and %s bit consistent mask\n", + ((*pdev->dev.dma_mask == DMA_BIT_MASK(63)) ? "63" : "32"), + (instance->consistent_mask_64bit ? "63" : "32")); + + return 0; + +fail_set_dma_mask: + dev_err(&pdev->dev, "Failed to set DMA mask\n"); + return -1; + +} + +/* + * megasas_set_adapter_type - Set adapter type. + * Supported controllers can be divided in + * different categories- + * enum MR_ADAPTER_TYPE { + * MFI_SERIES = 1, + * THUNDERBOLT_SERIES = 2, + * INVADER_SERIES = 3, + * VENTURA_SERIES = 4, + * AERO_SERIES = 5, + * }; + * @instance: Adapter soft state + * return: void + */ +static inline void megasas_set_adapter_type(struct megasas_instance *instance) +{ + if ((instance->pdev->vendor == PCI_VENDOR_ID_DELL) && + (instance->pdev->device == PCI_DEVICE_ID_DELL_PERC5)) { + instance->adapter_type = MFI_SERIES; } else { - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) - goto fail_set_dma_mask; + switch (instance->pdev->device) { + case PCI_DEVICE_ID_LSI_AERO_10E1: + case PCI_DEVICE_ID_LSI_AERO_10E2: + case PCI_DEVICE_ID_LSI_AERO_10E5: + case PCI_DEVICE_ID_LSI_AERO_10E6: + instance->adapter_type = AERO_SERIES; + break; + case PCI_DEVICE_ID_LSI_VENTURA: + case PCI_DEVICE_ID_LSI_CRUSADER: + case PCI_DEVICE_ID_LSI_HARPOON: + case PCI_DEVICE_ID_LSI_TOMCAT: + case PCI_DEVICE_ID_LSI_VENTURA_4PORT: + case PCI_DEVICE_ID_LSI_CRUSADER_4PORT: + instance->adapter_type = VENTURA_SERIES; + break; + case PCI_DEVICE_ID_LSI_FUSION: + case PCI_DEVICE_ID_LSI_PLASMA: + instance->adapter_type = THUNDERBOLT_SERIES; + break; + case PCI_DEVICE_ID_LSI_INVADER: + case PCI_DEVICE_ID_LSI_INTRUDER: + case PCI_DEVICE_ID_LSI_INTRUDER_24: + case PCI_DEVICE_ID_LSI_CUTLASS_52: + case PCI_DEVICE_ID_LSI_CUTLASS_53: + case PCI_DEVICE_ID_LSI_FURY: + instance->adapter_type = INVADER_SERIES; + break; + default: /* For all other supported controllers */ + instance->adapter_type = MFI_SERIES; + break; + } } +} + +static inline int megasas_alloc_mfi_ctrl_mem(struct megasas_instance *instance) +{ + instance->producer = dma_alloc_coherent(&instance->pdev->dev, + sizeof(u32), &instance->producer_h, GFP_KERNEL); + instance->consumer = dma_alloc_coherent(&instance->pdev->dev, + sizeof(u32), &instance->consumer_h, GFP_KERNEL); + + if (!instance->producer || !instance->consumer) { + dev_err(&instance->pdev->dev, + "Failed to allocate memory for producer, consumer\n"); + return -1; + } + + *instance->producer = 0; + *instance->consumer = 0; return 0; +} -fail_set_dma_mask: - return 1; +/** + * megasas_alloc_ctrl_mem - Allocate per controller memory for core data + * structures which are not common across MFI + * adapters and fusion adapters. + * For MFI based adapters, allocate producer and + * consumer buffers. For fusion adapters, allocate + * memory for fusion context. + * @instance: Adapter soft state + * return: 0 for SUCCESS + */ +static int megasas_alloc_ctrl_mem(struct megasas_instance *instance) +{ + instance->reply_map = kcalloc(nr_cpu_ids, sizeof(unsigned int), + GFP_KERNEL); + if (!instance->reply_map) + return -ENOMEM; + + switch (instance->adapter_type) { + case MFI_SERIES: + if (megasas_alloc_mfi_ctrl_mem(instance)) + return -ENOMEM; + break; + case AERO_SERIES: + case VENTURA_SERIES: + case THUNDERBOLT_SERIES: + case INVADER_SERIES: + if (megasas_alloc_fusion_context(instance)) + return -ENOMEM; + break; + } + + return 0; +} + +/* + * megasas_free_ctrl_mem - Free fusion context for fusion adapters and + * producer, consumer buffers for MFI adapters + * + * @instance - Adapter soft instance + * + */ +static inline void megasas_free_ctrl_mem(struct megasas_instance *instance) +{ + kfree(instance->reply_map); + if (instance->adapter_type == MFI_SERIES) { + if (instance->producer) + dma_free_coherent(&instance->pdev->dev, sizeof(u32), + instance->producer, + instance->producer_h); + if (instance->consumer) + dma_free_coherent(&instance->pdev->dev, sizeof(u32), + instance->consumer, + instance->consumer_h); + } else { + megasas_free_fusion_context(instance); + } +} + +/** + * megasas_alloc_ctrl_dma_buffers - Allocate consistent DMA buffers during + * driver load time + * + * @instance: Adapter soft instance + * + * @return: O for SUCCESS + */ +static inline +int megasas_alloc_ctrl_dma_buffers(struct megasas_instance *instance) +{ + struct pci_dev *pdev = instance->pdev; + struct fusion_context *fusion = instance->ctrl_context; + + instance->evt_detail = dma_alloc_coherent(&pdev->dev, + sizeof(struct megasas_evt_detail), + &instance->evt_detail_h, GFP_KERNEL); + + if (!instance->evt_detail) { + dev_err(&instance->pdev->dev, + "Failed to allocate event detail buffer\n"); + return -ENOMEM; + } + + if (fusion) { + fusion->ioc_init_request = + dma_alloc_coherent(&pdev->dev, + sizeof(struct MPI2_IOC_INIT_REQUEST), + &fusion->ioc_init_request_phys, + GFP_KERNEL); + + if (!fusion->ioc_init_request) { + dev_err(&pdev->dev, + "Failed to allocate ioc init request\n"); + return -ENOMEM; + } + + instance->snapdump_prop = dma_alloc_coherent(&pdev->dev, + sizeof(struct MR_SNAPDUMP_PROPERTIES), + &instance->snapdump_prop_h, GFP_KERNEL); + + if (!instance->snapdump_prop) + dev_err(&pdev->dev, + "Failed to allocate snapdump properties buffer\n"); + + instance->host_device_list_buf = dma_alloc_coherent(&pdev->dev, + HOST_DEVICE_LIST_SZ, + &instance->host_device_list_buf_h, + GFP_KERNEL); + + if (!instance->host_device_list_buf) { + dev_err(&pdev->dev, + "Failed to allocate targetid list buffer\n"); + return -ENOMEM; + } + + } + + instance->pd_list_buf = + dma_alloc_coherent(&pdev->dev, + MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST), + &instance->pd_list_buf_h, GFP_KERNEL); + + if (!instance->pd_list_buf) { + dev_err(&pdev->dev, "Failed to allocate PD list buffer\n"); + return -ENOMEM; + } + + instance->ctrl_info_buf = + dma_alloc_coherent(&pdev->dev, + sizeof(struct megasas_ctrl_info), + &instance->ctrl_info_buf_h, GFP_KERNEL); + + if (!instance->ctrl_info_buf) { + dev_err(&pdev->dev, + "Failed to allocate controller info buffer\n"); + return -ENOMEM; + } + + instance->ld_list_buf = + dma_alloc_coherent(&pdev->dev, + sizeof(struct MR_LD_LIST), + &instance->ld_list_buf_h, GFP_KERNEL); + + if (!instance->ld_list_buf) { + dev_err(&pdev->dev, "Failed to allocate LD list buffer\n"); + return -ENOMEM; + } + + instance->ld_targetid_list_buf = + dma_alloc_coherent(&pdev->dev, + sizeof(struct MR_LD_TARGETID_LIST), + &instance->ld_targetid_list_buf_h, GFP_KERNEL); + + if (!instance->ld_targetid_list_buf) { + dev_err(&pdev->dev, + "Failed to allocate LD targetid list buffer\n"); + return -ENOMEM; + } + + if (!reset_devices) { + instance->system_info_buf = + dma_alloc_coherent(&pdev->dev, + sizeof(struct MR_DRV_SYSTEM_INFO), + &instance->system_info_h, GFP_KERNEL); + instance->pd_info = + dma_alloc_coherent(&pdev->dev, + sizeof(struct MR_PD_INFO), + &instance->pd_info_h, GFP_KERNEL); + instance->tgt_prop = + dma_alloc_coherent(&pdev->dev, + sizeof(struct MR_TARGET_PROPERTIES), + &instance->tgt_prop_h, GFP_KERNEL); + instance->crash_dump_buf = + dma_alloc_coherent(&pdev->dev, CRASH_DMA_BUF_SIZE, + &instance->crash_dump_h, GFP_KERNEL); + + if (!instance->system_info_buf) + dev_err(&instance->pdev->dev, + "Failed to allocate system info buffer\n"); + + if (!instance->pd_info) + dev_err(&instance->pdev->dev, + "Failed to allocate pd_info buffer\n"); + + if (!instance->tgt_prop) + dev_err(&instance->pdev->dev, + "Failed to allocate tgt_prop buffer\n"); + + if (!instance->crash_dump_buf) + dev_err(&instance->pdev->dev, + "Failed to allocate crash dump buffer\n"); + } + + return 0; +} + +/* + * megasas_free_ctrl_dma_buffers - Free consistent DMA buffers allocated + * during driver load time + * + * @instance- Adapter soft instance + * + */ +static inline +void megasas_free_ctrl_dma_buffers(struct megasas_instance *instance) +{ + struct pci_dev *pdev = instance->pdev; + struct fusion_context *fusion = instance->ctrl_context; + + if (instance->evt_detail) + dma_free_coherent(&pdev->dev, sizeof(struct megasas_evt_detail), + instance->evt_detail, + instance->evt_detail_h); + + if (fusion && fusion->ioc_init_request) + dma_free_coherent(&pdev->dev, + sizeof(struct MPI2_IOC_INIT_REQUEST), + fusion->ioc_init_request, + fusion->ioc_init_request_phys); + + if (instance->pd_list_buf) + dma_free_coherent(&pdev->dev, + MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST), + instance->pd_list_buf, + instance->pd_list_buf_h); + + if (instance->ld_list_buf) + dma_free_coherent(&pdev->dev, sizeof(struct MR_LD_LIST), + instance->ld_list_buf, + instance->ld_list_buf_h); + + if (instance->ld_targetid_list_buf) + dma_free_coherent(&pdev->dev, sizeof(struct MR_LD_TARGETID_LIST), + instance->ld_targetid_list_buf, + instance->ld_targetid_list_buf_h); + + if (instance->ctrl_info_buf) + dma_free_coherent(&pdev->dev, sizeof(struct megasas_ctrl_info), + instance->ctrl_info_buf, + instance->ctrl_info_buf_h); + + if (instance->system_info_buf) + dma_free_coherent(&pdev->dev, sizeof(struct MR_DRV_SYSTEM_INFO), + instance->system_info_buf, + instance->system_info_h); + + if (instance->pd_info) + dma_free_coherent(&pdev->dev, sizeof(struct MR_PD_INFO), + instance->pd_info, instance->pd_info_h); + + if (instance->tgt_prop) + dma_free_coherent(&pdev->dev, sizeof(struct MR_TARGET_PROPERTIES), + instance->tgt_prop, instance->tgt_prop_h); + + if (instance->crash_dump_buf) + dma_free_coherent(&pdev->dev, CRASH_DMA_BUF_SIZE, + instance->crash_dump_buf, + instance->crash_dump_h); + + if (instance->snapdump_prop) + dma_free_coherent(&pdev->dev, + sizeof(struct MR_SNAPDUMP_PROPERTIES), + instance->snapdump_prop, + instance->snapdump_prop_h); + + if (instance->host_device_list_buf) + dma_free_coherent(&pdev->dev, + HOST_DEVICE_LIST_SZ, + instance->host_device_list_buf, + instance->host_device_list_buf_h); + +} + +/* + * megasas_init_ctrl_params - Initialize controller's instance + * parameters before FW init + * @instance - Adapter soft instance + * @return - void + */ +static inline void megasas_init_ctrl_params(struct megasas_instance *instance) +{ + instance->fw_crash_state = UNAVAILABLE; + + megasas_poll_wait_aen = 0; + instance->issuepend_done = 1; + atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); + + /* + * Initialize locks and queues + */ + INIT_LIST_HEAD(&instance->cmd_pool); + INIT_LIST_HEAD(&instance->internal_reset_pending_q); + + atomic_set(&instance->fw_outstanding, 0); + atomic64_set(&instance->total_io_count, 0); + + init_waitqueue_head(&instance->int_cmd_wait_q); + init_waitqueue_head(&instance->abort_cmd_wait_q); + + mutex_init(&instance->crashdump_lock); + spin_lock_init(&instance->mfi_pool_lock); + spin_lock_init(&instance->hba_lock); + spin_lock_init(&instance->stream_lock); + spin_lock_init(&instance->completion_lock); + + mutex_init(&instance->reset_mutex); + + if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) || + (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) + instance->flag_ieee = 1; + + instance->flag = 0; + instance->unload = 1; + instance->last_time = 0; + instance->disableOnlineCtrlReset = 1; + instance->UnevenSpanSupport = 0; + instance->smp_affinity_enable = smp_affinity_enable ? true : false; + instance->msix_load_balance = false; + + if (instance->adapter_type != MFI_SERIES) + INIT_WORK(&instance->work_init, megasas_fusion_ocr_wq); + else + INIT_WORK(&instance->work_init, process_fw_state_change_wq); } /** @@ -4072,11 +7467,24 @@ fail_set_dma_mask: static int megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) { - int rval, pos, i, j; + int rval, pos; struct Scsi_Host *host; struct megasas_instance *instance; u16 control = 0; + switch (pdev->device) { + case PCI_DEVICE_ID_LSI_AERO_10E0: + case PCI_DEVICE_ID_LSI_AERO_10E3: + case PCI_DEVICE_ID_LSI_AERO_10E4: + case PCI_DEVICE_ID_LSI_AERO_10E7: + dev_err(&pdev->dev, "Adapter is in non secure mode\n"); + return 1; + case PCI_DEVICE_ID_LSI_AERO_10E1: + case PCI_DEVICE_ID_LSI_AERO_10E5: + dev_info(&pdev->dev, "Adapter is in configurable secure mode\n"); + break; + } + /* Reset MSI-X in the kdump kernel */ if (reset_devices) { pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); @@ -4094,16 +7502,6 @@ static int megasas_probe_one(struct pci_dev *pdev, } /* - * Announce PCI information - */ - printk(KERN_INFO "megasas: %#4.04x:%#4.04x:%#4.04x:%#4.04x: ", - pdev->vendor, pdev->device, pdev->subsystem_vendor, - pdev->subsystem_device); - - printk("bus %d:slot %d:func %d\n", - pdev->bus->number, PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn)); - - /* * PCI prepping: enable device set bus mastering and dma mask */ rval = pci_enable_device_mem(pdev); @@ -4114,125 +7512,27 @@ static int megasas_probe_one(struct pci_dev *pdev, pci_set_master(pdev); - if (megasas_set_dma_mask(pdev)) - goto fail_set_dma_mask; - host = scsi_host_alloc(&megasas_template, sizeof(struct megasas_instance)); if (!host) { - printk(KERN_DEBUG "megasas: scsi_host_alloc failed\n"); + dev_printk(KERN_DEBUG, &pdev->dev, "scsi_host_alloc failed\n"); goto fail_alloc_instance; } instance = (struct megasas_instance *)host->hostdata; memset(instance, 0, sizeof(*instance)); - atomic_set( &instance->fw_reset_no_pci_access, 0 ); - instance->pdev = pdev; - - switch (instance->pdev->device) { - case PCI_DEVICE_ID_LSI_FUSION: - case PCI_DEVICE_ID_LSI_INVADER: - case PCI_DEVICE_ID_LSI_FURY: - { - struct fusion_context *fusion; - - instance->ctrl_context = - kzalloc(sizeof(struct fusion_context), GFP_KERNEL); - if (!instance->ctrl_context) { - printk(KERN_DEBUG "megasas: Failed to allocate " - "memory for Fusion context info\n"); - goto fail_alloc_dma_buf; - } - fusion = instance->ctrl_context; - INIT_LIST_HEAD(&fusion->cmd_pool); - spin_lock_init(&fusion->cmd_pool_lock); - } - break; - default: /* For all other supported controllers */ - - instance->producer = - pci_alloc_consistent(pdev, sizeof(u32), - &instance->producer_h); - instance->consumer = - pci_alloc_consistent(pdev, sizeof(u32), - &instance->consumer_h); - - if (!instance->producer || !instance->consumer) { - printk(KERN_DEBUG "megasas: Failed to allocate" - "memory for producer, consumer\n"); - goto fail_alloc_dma_buf; - } - - *instance->producer = 0; - *instance->consumer = 0; - break; - } - - megasas_poll_wait_aen = 0; - instance->flag_ieee = 0; - instance->ev = NULL; - instance->issuepend_done = 1; - instance->adprecovery = MEGASAS_HBA_OPERATIONAL; - instance->is_imr = 0; - megasas_poll_wait_aen = 0; - - instance->evt_detail = pci_alloc_consistent(pdev, - sizeof(struct - megasas_evt_detail), - &instance->evt_detail_h); - - if (!instance->evt_detail) { - printk(KERN_DEBUG "megasas: Failed to allocate memory for " - "event detail structure\n"); - goto fail_alloc_dma_buf; - } - - /* - * Initialize locks and queues - */ - INIT_LIST_HEAD(&instance->cmd_pool); - INIT_LIST_HEAD(&instance->internal_reset_pending_q); - - atomic_set(&instance->fw_outstanding,0); - - init_waitqueue_head(&instance->int_cmd_wait_q); - init_waitqueue_head(&instance->abort_cmd_wait_q); - - spin_lock_init(&instance->cmd_pool_lock); - spin_lock_init(&instance->hba_lock); - spin_lock_init(&instance->completion_lock); - - mutex_init(&instance->aen_mutex); - mutex_init(&instance->reset_mutex); + atomic_set(&instance->fw_reset_no_pci_access, 0); /* * Initialize PCI related and misc parameters */ + instance->pdev = pdev; instance->host = host; - instance->unique_id = pdev->bus->number << 8 | pdev->devfn; + instance->unique_id = pci_dev_id(pdev); instance->init_id = MEGASAS_DEFAULT_INIT_ID; - if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) { - instance->flag_ieee = 1; - sema_init(&instance->ioctl_sem, MEGASAS_SKINNY_INT_CMDS); - } else - sema_init(&instance->ioctl_sem, MEGASAS_INT_CMDS); - - megasas_dbg_lvl = 0; - instance->flag = 0; - instance->unload = 1; - instance->last_time = 0; - instance->disableOnlineCtrlReset = 1; - instance->UnevenSpanSupport = 0; - - if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) - INIT_WORK(&instance->work_init, megasas_fusion_ocr_wq); - else - INIT_WORK(&instance->work_init, process_fw_state_change_wq); + megasas_set_adapter_type(instance); /* * Initialize MFI Firmware @@ -4240,42 +7540,29 @@ static int megasas_probe_one(struct pci_dev *pdev, if (megasas_init_fw(instance)) goto fail_init_mfi; -retry_irq_register: - /* - * Register IRQ - */ - if (instance->msix_vectors) { - for (i = 0 ; i < instance->msix_vectors; i++) { - instance->irq_context[i].instance = instance; - instance->irq_context[i].MSIxIndex = i; - if (request_irq(instance->msixentry[i].vector, - instance->instancet->service_isr, 0, - "megasas", - &instance->irq_context[i])) { - printk(KERN_DEBUG "megasas: Failed to " - "register IRQ for vector %d.\n", i); - for (j = 0 ; j < i ; j++) - free_irq( - instance->msixentry[j].vector, - &instance->irq_context[j]); - /* Retry irq register for IO_APIC */ - instance->msix_vectors = 0; - goto retry_irq_register; - } - } - } else { - instance->irq_context[0].instance = instance; - instance->irq_context[0].MSIxIndex = 0; - if (request_irq(pdev->irq, instance->instancet->service_isr, - IRQF_SHARED, "megasas", - &instance->irq_context[0])) { - printk(KERN_DEBUG "megasas: Failed to register IRQ\n"); - goto fail_irq; + if (instance->requestorId) { + if (instance->PlasmaFW111) { + instance->vf_affiliation_111 = + dma_alloc_coherent(&pdev->dev, + sizeof(struct MR_LD_VF_AFFILIATION_111), + &instance->vf_affiliation_111_h, + GFP_KERNEL); + if (!instance->vf_affiliation_111) + dev_warn(&pdev->dev, "Can't allocate " + "memory for VF affiliation buffer\n"); + } else { + instance->vf_affiliation = + dma_alloc_coherent(&pdev->dev, + (MAX_LOGICAL_DRIVES + 1) * + sizeof(struct MR_LD_VF_AFFILIATION), + &instance->vf_affiliation_h, + GFP_KERNEL); + if (!instance->vf_affiliation) + dev_warn(&pdev->dev, "Can't allocate " + "memory for VF affiliation buffer\n"); } } - instance->instancet->enable_intr(instance); - /* * Store instance in PCI softstate */ @@ -4296,57 +7583,60 @@ retry_irq_register: goto fail_io_attach; instance->unload = 0; + /* + * Trigger SCSI to scan our drives + */ + if (!instance->enable_fw_dev_list || + (instance->host_device_list_buf->count > 0)) + scsi_scan_host(host); /* * Initiate AEN (Asynchronous Event Notification) */ if (megasas_start_aen(instance)) { - printk(KERN_DEBUG "megasas: start aen failed\n"); + dev_printk(KERN_DEBUG, &pdev->dev, "start aen failed\n"); goto fail_start_aen; } + megasas_setup_debugfs(instance); + + /* Get current SR-IOV LD/VF affiliation */ + if (instance->requestorId) + megasas_get_ld_vf_affiliation(instance, 1); + return 0; - fail_start_aen: - fail_io_attach: +fail_start_aen: + instance->unload = 1; + scsi_remove_host(instance->host); +fail_io_attach: megasas_mgmt_info.count--; - megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = NULL; megasas_mgmt_info.max_index--; + megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = NULL; + + if (instance->requestorId && !instance->skip_heartbeat_timer_del) + timer_delete_sync(&instance->sriov_heartbeat_timer); - pci_set_drvdata(pdev, NULL); instance->instancet->disable_intr(instance); - if (instance->msix_vectors) - for (i = 0 ; i < instance->msix_vectors; i++) - free_irq(instance->msixentry[i].vector, - &instance->irq_context[i]); - else - free_irq(instance->pdev->irq, &instance->irq_context[0]); -fail_irq: - if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) || - (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) + megasas_destroy_irqs(instance); + + if (instance->adapter_type != MFI_SERIES) megasas_release_fusion(instance); else megasas_release_mfi(instance); - fail_init_mfi: + if (instance->msix_vectors) - pci_disable_msix(instance->pdev); - fail_alloc_dma_buf: - if (instance->evt_detail) - pci_free_consistent(pdev, sizeof(struct megasas_evt_detail), - instance->evt_detail, - instance->evt_detail_h); + pci_free_irq_vectors(instance->pdev); + instance->msix_vectors = 0; - if (instance->producer) - pci_free_consistent(pdev, sizeof(u32), instance->producer, - instance->producer_h); - if (instance->consumer) - pci_free_consistent(pdev, sizeof(u32), instance->consumer, - instance->consumer_h); - scsi_host_put(host); + if (instance->fw_crash_state != UNAVAILABLE) + megasas_free_host_crash_buffer(instance); - fail_alloc_instance: - fail_set_dma_mask: + if (instance->adapter_type != MFI_SERIES) + megasas_fusion_stop_watchdog(instance); +fail_init_mfi: + scsi_host_put(host); +fail_alloc_instance: pci_disable_device(pdev); return -ENODEV; @@ -4361,7 +7651,7 @@ static void megasas_flush_cache(struct megasas_instance *instance) struct megasas_cmd *cmd; struct megasas_dcmd_frame *dcmd; - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) return; cmd = megasas_get_cmd(instance); @@ -4376,18 +7666,21 @@ static void megasas_flush_cache(struct megasas_instance *instance) dcmd->cmd = MFI_CMD_DCMD; dcmd->cmd_status = 0x0; dcmd->sge_count = 0; - dcmd->flags = MFI_FRAME_DIR_NONE; + dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_NONE); dcmd->timeout = 0; dcmd->pad_0 = 0; dcmd->data_xfer_len = 0; - dcmd->opcode = MR_DCMD_CTRL_CACHE_FLUSH; + dcmd->opcode = cpu_to_le32(MR_DCMD_CTRL_CACHE_FLUSH); dcmd->mbox.b[0] = MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE; - megasas_issue_blocked_cmd(instance, cmd); + if (megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS) + != DCMD_SUCCESS) { + dev_err(&instance->pdev->dev, + "return from %s %d\n", __func__, __LINE__); + return; + } megasas_return_cmd(instance, cmd); - - return; } /** @@ -4401,7 +7694,7 @@ static void megasas_shutdown_controller(struct megasas_instance *instance, struct megasas_cmd *cmd; struct megasas_dcmd_frame *dcmd; - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) return; cmd = megasas_get_cmd(instance); @@ -4410,10 +7703,15 @@ static void megasas_shutdown_controller(struct megasas_instance *instance, return; if (instance->aen_cmd) - megasas_issue_blocked_abort_cmd(instance, instance->aen_cmd); + megasas_issue_blocked_abort_cmd(instance, + instance->aen_cmd, MFI_IO_TIMEOUT_SECS); if (instance->map_update_cmd) megasas_issue_blocked_abort_cmd(instance, - instance->map_update_cmd); + instance->map_update_cmd, MFI_IO_TIMEOUT_SECS); + if (instance->jbod_seq_cmd) + megasas_issue_blocked_abort_cmd(instance, + instance->jbod_seq_cmd, MFI_IO_TIMEOUT_SECS); + dcmd = &cmd->frame->dcmd; memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); @@ -4421,36 +7719,48 @@ static void megasas_shutdown_controller(struct megasas_instance *instance, dcmd->cmd = MFI_CMD_DCMD; dcmd->cmd_status = 0x0; dcmd->sge_count = 0; - dcmd->flags = MFI_FRAME_DIR_NONE; + dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_NONE); dcmd->timeout = 0; dcmd->pad_0 = 0; dcmd->data_xfer_len = 0; - dcmd->opcode = opcode; + dcmd->opcode = cpu_to_le32(opcode); - megasas_issue_blocked_cmd(instance, cmd); + if (megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS) + != DCMD_SUCCESS) { + dev_err(&instance->pdev->dev, + "return from %s %d\n", __func__, __LINE__); + return; + } megasas_return_cmd(instance, cmd); - - return; } -#ifdef CONFIG_PM /** * megasas_suspend - driver suspend entry point - * @pdev: PCI device structure - * @state: PCI power state to suspend routine + * @dev: Device structure */ -static int -megasas_suspend(struct pci_dev *pdev, pm_message_t state) +static int __maybe_unused +megasas_suspend(struct device *dev) { - struct Scsi_Host *host; struct megasas_instance *instance; - int i; - instance = pci_get_drvdata(pdev); - host = instance->host; + instance = dev_get_drvdata(dev); + + if (!instance) + return 0; + instance->unload = 1; + dev_info(dev, "%s is called\n", __func__); + + /* Shutdown SR-IOV heartbeat timer */ + if (instance->requestorId && !instance->skip_heartbeat_timer_del) + timer_delete_sync(&instance->sriov_heartbeat_timer); + + /* Stop the FW fault detection watchdog */ + if (instance->adapter_type != MFI_SERIES) + megasas_fusion_stop_watchdog(instance); + megasas_flush_cache(instance); megasas_shutdown_controller(instance, MR_DCMD_HIBERNATE_SHUTDOWN); @@ -4466,53 +7776,68 @@ megasas_suspend(struct pci_dev *pdev, pm_message_t state) pci_set_drvdata(instance->pdev, instance); instance->instancet->disable_intr(instance); - if (instance->msix_vectors) - for (i = 0 ; i < instance->msix_vectors; i++) - free_irq(instance->msixentry[i].vector, - &instance->irq_context[i]); - else - free_irq(instance->pdev->irq, &instance->irq_context[0]); - if (instance->msix_vectors) - pci_disable_msix(instance->pdev); + megasas_destroy_irqs(instance); - pci_save_state(pdev); - pci_disable_device(pdev); - - pci_set_power_state(pdev, pci_choose_state(pdev, state)); + if (instance->msix_vectors) + pci_free_irq_vectors(instance->pdev); return 0; } /** * megasas_resume- driver resume entry point - * @pdev: PCI device structure + * @dev: Device structure */ -static int -megasas_resume(struct pci_dev *pdev) +static int __maybe_unused +megasas_resume(struct device *dev) { - int rval, i, j; + int rval; struct Scsi_Host *host; struct megasas_instance *instance; + u32 status_reg; + + instance = dev_get_drvdata(dev); + + if (!instance) + return 0; - instance = pci_get_drvdata(pdev); host = instance->host; - pci_set_power_state(pdev, PCI_D0); - pci_enable_wake(pdev, PCI_D0, 0); - pci_restore_state(pdev); + + dev_info(dev, "%s is called\n", __func__); /* - * PCI prepping: enable device set bus mastering and dma mask + * We expect the FW state to be READY */ - rval = pci_enable_device_mem(pdev); - if (rval) { - printk(KERN_ERR "megasas: Enable device failed\n"); - return rval; - } + if (megasas_transition_to_ready(instance, 0)) { + dev_info(&instance->pdev->dev, + "Failed to transition controller to ready from %s!\n", + __func__); + if (instance->adapter_type != MFI_SERIES) { + status_reg = + instance->instancet->read_fw_status_reg(instance); + if (!(status_reg & MFI_RESET_ADAPTER) || + ((megasas_adp_reset_wait_for_ready + (instance, true, 0)) == FAILED)) + goto fail_ready_state; + } else { + atomic_set(&instance->fw_reset_no_pci_access, 1); + instance->instancet->adp_reset + (instance, instance->reg_set); + atomic_set(&instance->fw_reset_no_pci_access, 0); - pci_set_master(pdev); + /* waiting for about 30 seconds before retry */ + ssleep(30); + + if (megasas_transition_to_ready(instance, 0)) + goto fail_ready_state; + } - if (megasas_set_dma_mask(pdev)) + dev_info(&instance->pdev->dev, + "FW restarted successfully from %s!\n", + __func__); + } + if (megasas_set_dma_mask(instance)) goto fail_set_dma_mask; /* @@ -4520,23 +7845,22 @@ megasas_resume(struct pci_dev *pdev) */ atomic_set(&instance->fw_outstanding, 0); - - /* - * We expect the FW state to be READY - */ - if (megasas_transition_to_ready(instance, 0)) - goto fail_ready_state; + atomic_set(&instance->ldio_outstanding, 0); /* Now re-enable MSI-X */ if (instance->msix_vectors) - pci_enable_msix(instance->pdev, instance->msixentry, - instance->msix_vectors); + megasas_alloc_irq_vectors(instance); + + if (!instance->msix_vectors) { + rval = pci_alloc_irq_vectors(instance->pdev, 1, 1, + PCI_IRQ_INTX); + if (rval < 0) + goto fail_reenable_msix; + } - switch (instance->pdev->device) { - case PCI_DEVICE_ID_LSI_FUSION: - case PCI_DEVICE_ID_LSI_INVADER: - case PCI_DEVICE_ID_LSI_FURY: - { + megasas_setup_reply_map(instance); + + if (instance->adapter_type != MFI_SERIES) { megasas_reset_reply_desc(instance); if (megasas_ioc_init_fusion(instance)) { megasas_free_cmds(instance); @@ -4545,87 +7869,97 @@ megasas_resume(struct pci_dev *pdev) } if (!megasas_get_map_info(instance)) megasas_sync_map_info(instance); - } - break; - default: + } else { *instance->producer = 0; *instance->consumer = 0; if (megasas_issue_init_mfi(instance)) goto fail_init_mfi; - break; } + if (megasas_get_ctrl_info(instance) != DCMD_SUCCESS) + goto fail_init_mfi; + tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet, (unsigned long)instance); - /* - * Register IRQ - */ - if (instance->msix_vectors) { - for (i = 0 ; i < instance->msix_vectors; i++) { - instance->irq_context[i].instance = instance; - instance->irq_context[i].MSIxIndex = i; - if (request_irq(instance->msixentry[i].vector, - instance->instancet->service_isr, 0, - "megasas", - &instance->irq_context[i])) { - printk(KERN_DEBUG "megasas: Failed to " - "register IRQ for vector %d.\n", i); - for (j = 0 ; j < i ; j++) - free_irq( - instance->msixentry[j].vector, - &instance->irq_context[j]); - goto fail_irq; - } - } - } else { - instance->irq_context[0].instance = instance; - instance->irq_context[0].MSIxIndex = 0; - if (request_irq(pdev->irq, instance->instancet->service_isr, - IRQF_SHARED, "megasas", - &instance->irq_context[0])) { - printk(KERN_DEBUG "megasas: Failed to register IRQ\n"); - goto fail_irq; + if (instance->msix_vectors ? + megasas_setup_irqs_msix(instance, 0) : + megasas_setup_irqs_ioapic(instance)) + goto fail_init_mfi; + + if (instance->adapter_type != MFI_SERIES) + megasas_setup_irq_poll(instance); + + /* Re-launch SR-IOV heartbeat timer */ + if (instance->requestorId) { + if (!megasas_sriov_start_heartbeat(instance, 0)) + megasas_start_timer(instance); + else { + instance->skip_heartbeat_timer_del = 1; + goto fail_init_mfi; } } instance->instancet->enable_intr(instance); + megasas_setup_jbod_map(instance); instance->unload = 0; /* * Initiate AEN (Asynchronous Event Notification) */ if (megasas_start_aen(instance)) - printk(KERN_ERR "megasas: Start AEN failed\n"); + dev_err(&instance->pdev->dev, "Start AEN failed\n"); + + /* Re-launch FW fault watchdog */ + if (instance->adapter_type != MFI_SERIES) + if (megasas_fusion_start_watchdog(instance) != SUCCESS) + goto fail_start_watchdog; return 0; -fail_irq: +fail_start_watchdog: + if (instance->requestorId && !instance->skip_heartbeat_timer_del) + timer_delete_sync(&instance->sriov_heartbeat_timer); fail_init_mfi: - if (instance->evt_detail) - pci_free_consistent(pdev, sizeof(struct megasas_evt_detail), - instance->evt_detail, - instance->evt_detail_h); - - if (instance->producer) - pci_free_consistent(pdev, sizeof(u32), instance->producer, - instance->producer_h); - if (instance->consumer) - pci_free_consistent(pdev, sizeof(u32), instance->consumer, - instance->consumer_h); + megasas_free_ctrl_dma_buffers(instance); + megasas_free_ctrl_mem(instance); scsi_host_put(host); +fail_reenable_msix: fail_set_dma_mask: fail_ready_state: - pci_disable_device(pdev); - return -ENODEV; } -#else -#define megasas_suspend NULL -#define megasas_resume NULL -#endif + +static inline int +megasas_wait_for_adapter_operational(struct megasas_instance *instance) +{ + int wait_time = MEGASAS_RESET_WAIT_TIME * 2; + int i; + u8 adp_state; + + for (i = 0; i < wait_time; i++) { + adp_state = atomic_read(&instance->adprecovery); + if ((adp_state == MEGASAS_HBA_OPERATIONAL) || + (adp_state == MEGASAS_HW_CRITICAL_ERROR)) + break; + + if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) + dev_notice(&instance->pdev->dev, "waiting for controller reset to finish\n"); + + msleep(1000); + } + + if (adp_state != MEGASAS_HBA_OPERATIONAL) { + dev_info(&instance->pdev->dev, + "%s HBA failed to become operational, adp_state %d\n", + __func__, adp_state); + return 1; + } + + return 0; +} /** * megasas_detach_one - PCI hot"un"plug entry point @@ -4637,16 +7971,36 @@ static void megasas_detach_one(struct pci_dev *pdev) struct Scsi_Host *host; struct megasas_instance *instance; struct fusion_context *fusion; + size_t pd_seq_map_sz; instance = pci_get_drvdata(pdev); - instance->unload = 1; + + if (!instance) + return; + host = instance->host; fusion = instance->ctrl_context; + /* Shutdown SR-IOV heartbeat timer */ + if (instance->requestorId && !instance->skip_heartbeat_timer_del) + timer_delete_sync(&instance->sriov_heartbeat_timer); + + /* Stop the FW fault detection watchdog */ + if (instance->adapter_type != MFI_SERIES) + megasas_fusion_stop_watchdog(instance); + + if (instance->fw_crash_state != UNAVAILABLE) + megasas_free_host_crash_buffer(instance); scsi_remove_host(instance->host); + instance->unload = 1; + + if (megasas_wait_for_adapter_operational(instance)) + goto skip_firing_dcmds; + megasas_flush_cache(instance); megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN); +skip_firing_dcmds: /* cancel the delayed work if this work still in queue*/ if (instance->ev != NULL) { struct megasas_aen_event *ev = instance->ev; @@ -4654,6 +8008,9 @@ static void megasas_detach_one(struct pci_dev *pdev) instance->ev = NULL; } + /* cancel all wait events */ + wake_up_all(&instance->int_cmd_wait_q); + tasklet_kill(&instance->isr_tasklet); /* @@ -4669,81 +8026,109 @@ static void megasas_detach_one(struct pci_dev *pdev) } } - pci_set_drvdata(instance->pdev, NULL); - instance->instancet->disable_intr(instance); + megasas_destroy_irqs(instance); + if (instance->msix_vectors) - for (i = 0 ; i < instance->msix_vectors; i++) - free_irq(instance->msixentry[i].vector, - &instance->irq_context[i]); - else - free_irq(instance->pdev->irq, &instance->irq_context[0]); - if (instance->msix_vectors) - pci_disable_msix(instance->pdev); + pci_free_irq_vectors(instance->pdev); + + if (instance->adapter_type >= VENTURA_SERIES) { + for (i = 0; i < MAX_LOGICAL_DRIVES_EXT; ++i) + kfree(fusion->stream_detect_by_ld[i]); + kfree(fusion->stream_detect_by_ld); + fusion->stream_detect_by_ld = NULL; + } + - switch (instance->pdev->device) { - case PCI_DEVICE_ID_LSI_FUSION: - case PCI_DEVICE_ID_LSI_INVADER: - case PCI_DEVICE_ID_LSI_FURY: + if (instance->adapter_type != MFI_SERIES) { megasas_release_fusion(instance); - for (i = 0; i < 2 ; i++) + pd_seq_map_sz = + struct_size_t(struct MR_PD_CFG_SEQ_NUM_SYNC, + seq, MAX_PHYSICAL_DEVICES); + for (i = 0; i < 2 ; i++) { if (fusion->ld_map[i]) dma_free_coherent(&instance->pdev->dev, - fusion->map_sz, + fusion->max_map_sz, fusion->ld_map[i], - fusion-> - ld_map_phys[i]); - kfree(instance->ctrl_context); - break; - default: + fusion->ld_map_phys[i]); + if (fusion->ld_drv_map[i]) { + if (is_vmalloc_addr(fusion->ld_drv_map[i])) + vfree(fusion->ld_drv_map[i]); + else + free_pages((ulong)fusion->ld_drv_map[i], + fusion->drv_map_pages); + } + + if (fusion->pd_seq_sync[i]) + dma_free_coherent(&instance->pdev->dev, + pd_seq_map_sz, + fusion->pd_seq_sync[i], + fusion->pd_seq_phys[i]); + } + } else { megasas_release_mfi(instance); - pci_free_consistent(pdev, sizeof(u32), - instance->producer, - instance->producer_h); - pci_free_consistent(pdev, sizeof(u32), - instance->consumer, - instance->consumer_h); - break; } - if (instance->evt_detail) - pci_free_consistent(pdev, sizeof(struct megasas_evt_detail), - instance->evt_detail, instance->evt_detail_h); - scsi_host_put(host); + if (instance->vf_affiliation) + dma_free_coherent(&pdev->dev, (MAX_LOGICAL_DRIVES + 1) * + sizeof(struct MR_LD_VF_AFFILIATION), + instance->vf_affiliation, + instance->vf_affiliation_h); - pci_set_drvdata(pdev, NULL); + if (instance->vf_affiliation_111) + dma_free_coherent(&pdev->dev, + sizeof(struct MR_LD_VF_AFFILIATION_111), + instance->vf_affiliation_111, + instance->vf_affiliation_111_h); - pci_disable_device(pdev); + if (instance->hb_host_mem) + dma_free_coherent(&pdev->dev, sizeof(struct MR_CTRL_HB_HOST_MEM), + instance->hb_host_mem, + instance->hb_host_mem_h); - return; + megasas_free_ctrl_dma_buffers(instance); + + megasas_free_ctrl_mem(instance); + + megasas_destroy_debugfs(instance); + + scsi_host_put(host); + + pci_disable_device(pdev); } /** * megasas_shutdown - Shutdown entry point - * @device: Generic device structure + * @pdev: PCI device structure */ static void megasas_shutdown(struct pci_dev *pdev) { - int i; struct megasas_instance *instance = pci_get_drvdata(pdev); + if (!instance) + return; + instance->unload = 1; + + if (megasas_wait_for_adapter_operational(instance)) + goto skip_firing_dcmds; + megasas_flush_cache(instance); megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN); + +skip_firing_dcmds: instance->instancet->disable_intr(instance); + megasas_destroy_irqs(instance); + if (instance->msix_vectors) - for (i = 0 ; i < instance->msix_vectors; i++) - free_irq(instance->msixentry[i].vector, - &instance->irq_context[i]); - else - free_irq(instance->pdev->irq, &instance->irq_context[0]); - if (instance->msix_vectors) - pci_disable_msix(instance->pdev); + pci_free_irq_vectors(instance->pdev); } -/** +/* * megasas_mgmt_open - char node "open" entry point + * @inode: char node inode + * @filep: char node file */ static int megasas_mgmt_open(struct inode *inode, struct file *filep) { @@ -4756,8 +8141,11 @@ static int megasas_mgmt_open(struct inode *inode, struct file *filep) return 0; } -/** +/* * megasas_mgmt_fasync - Async notifier registration from applications + * @fd: char node file descriptor number + * @filep: char node file + * @mode: notifier on/off * * This function adds the calling process to a driver global queue. When an * event occurs, SIGIO will be sent to all processes in this queue. @@ -4783,53 +8171,110 @@ static int megasas_mgmt_fasync(int fd, struct file *filep, int mode) return rc; } -/** +/* * megasas_mgmt_poll - char node "poll" entry point - * */ -static unsigned int megasas_mgmt_poll(struct file *file, poll_table *wait) + * @filep: char node file + * @wait: Events to poll for + */ +static __poll_t megasas_mgmt_poll(struct file *file, poll_table *wait) { - unsigned int mask; + __poll_t mask; unsigned long flags; + poll_wait(file, &megasas_poll_wait, wait); spin_lock_irqsave(&poll_aen_lock, flags); if (megasas_poll_wait_aen) - mask = (POLLIN | POLLRDNORM); + mask = (EPOLLIN | EPOLLRDNORM); else mask = 0; + megasas_poll_wait_aen = 0; spin_unlock_irqrestore(&poll_aen_lock, flags); return mask; } +/* + * megasas_set_crash_dump_params_ioctl: + * Send CRASH_DUMP_MODE DCMD to all controllers + * @cmd: MFI command frame + */ + +static int megasas_set_crash_dump_params_ioctl(struct megasas_cmd *cmd) +{ + struct megasas_instance *local_instance; + int i, error = 0; + int crash_support; + + crash_support = cmd->frame->dcmd.mbox.w[0]; + + for (i = 0; i < megasas_mgmt_info.max_index; i++) { + local_instance = megasas_mgmt_info.instance[i]; + if (local_instance && local_instance->crash_dump_drv_support) { + if ((atomic_read(&local_instance->adprecovery) == + MEGASAS_HBA_OPERATIONAL) && + !megasas_set_crash_dump_params(local_instance, + crash_support)) { + local_instance->crash_dump_app_support = + crash_support; + dev_info(&local_instance->pdev->dev, + "Application firmware crash " + "dump mode set success\n"); + error = 0; + } else { + dev_info(&local_instance->pdev->dev, + "Application firmware crash " + "dump mode set failed\n"); + error = -1; + } + } + } + return error; +} + /** * megasas_mgmt_fw_ioctl - Issues management ioctls to FW * @instance: Adapter soft state - * @argp: User's ioctl packet + * @user_ioc: User's ioctl packet + * @ioc: ioctl packet */ static int megasas_mgmt_fw_ioctl(struct megasas_instance *instance, struct megasas_iocpacket __user * user_ioc, struct megasas_iocpacket *ioc) { - struct megasas_sge32 *kern_sge32; + struct megasas_sge64 *kern_sge64 = NULL; + struct megasas_sge32 *kern_sge32 = NULL; struct megasas_cmd *cmd; void *kbuff_arr[MAX_IOCTL_SGE]; dma_addr_t buf_handle = 0; int error = 0, i; void *sense = NULL; dma_addr_t sense_handle; - unsigned long *sense_ptr; + void *sense_ptr; + u32 opcode = 0; + int ret = DCMD_SUCCESS; memset(kbuff_arr, 0, sizeof(kbuff_arr)); if (ioc->sge_count > MAX_IOCTL_SGE) { - printk(KERN_DEBUG "megasas: SGE count [%d] > max limit [%d]\n", + dev_printk(KERN_DEBUG, &instance->pdev->dev, "SGE count [%d] > max limit [%d]\n", ioc->sge_count, MAX_IOCTL_SGE); return -EINVAL; } + if ((ioc->frame.hdr.cmd >= MFI_CMD_OP_COUNT) || + ((ioc->frame.hdr.cmd == MFI_CMD_NVME) && + !instance->support_nvme_passthru) || + ((ioc->frame.hdr.cmd == MFI_CMD_TOOLBOX) && + !instance->support_pci_lane_margining)) { + dev_err(&instance->pdev->dev, + "Received invalid ioctl command 0x%x\n", + ioc->frame.hdr.cmd); + return -ENOTSUPP; + } + cmd = megasas_get_cmd(instance); if (!cmd) { - printk(KERN_DEBUG "megasas: Failed to get a cmd packet\n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get a cmd packet\n"); return -ENOMEM; } @@ -4840,10 +8285,36 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, * alone separately */ memcpy(cmd->frame, ioc->frame.raw, 2 * MEGAMFI_FRAME_SIZE); - cmd->frame->hdr.context = cmd->index; + cmd->frame->hdr.context = cpu_to_le32(cmd->index); cmd->frame->hdr.pad_0 = 0; - cmd->frame->hdr.flags &= ~(MFI_FRAME_IEEE | MFI_FRAME_SGL64 | - MFI_FRAME_SENSE64); + + cmd->frame->hdr.flags &= (~MFI_FRAME_IEEE); + + if (instance->consistent_mask_64bit) + cmd->frame->hdr.flags |= cpu_to_le16((MFI_FRAME_SGL64 | + MFI_FRAME_SENSE64)); + else + cmd->frame->hdr.flags &= cpu_to_le16(~(MFI_FRAME_SGL64 | + MFI_FRAME_SENSE64)); + + if (cmd->frame->hdr.cmd == MFI_CMD_DCMD) + opcode = le32_to_cpu(cmd->frame->dcmd.opcode); + + if (opcode == MR_DCMD_CTRL_SHUTDOWN) { + mutex_lock(&instance->reset_mutex); + if (megasas_get_ctrl_info(instance) != DCMD_SUCCESS) { + megasas_return_cmd(instance, cmd); + mutex_unlock(&instance->reset_mutex); + return -1; + } + mutex_unlock(&instance->reset_mutex); + } + + if (opcode == MR_DRIVER_SET_APP_CRASHDUMP_MODE) { + error = megasas_set_crash_dump_params_ioctl(cmd); + megasas_return_cmd(instance, cmd); + return error; + } /* * The management interface between applications and the fw uses @@ -4853,8 +8324,12 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, * kernel buffers in SGLs. The location of SGL is embedded in the * struct iocpacket itself. */ - kern_sge32 = (struct megasas_sge32 *) - ((unsigned long)cmd->frame + ioc->sgl_off); + if (instance->consistent_mask_64bit) + kern_sge64 = (struct megasas_sge64 *) + ((unsigned long)cmd->frame + ioc->sgl_off); + else + kern_sge32 = (struct megasas_sge32 *) + ((unsigned long)cmd->frame + ioc->sgl_off); /* * For each user buffer, create a mirror buffer and copy in @@ -4867,18 +8342,23 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, ioc->sgl[i].iov_len, &buf_handle, GFP_KERNEL); if (!kbuff_arr[i]) { - printk(KERN_DEBUG "megasas: Failed to alloc " - "kernel SGL buffer for IOCTL \n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to alloc " + "kernel SGL buffer for IOCTL\n"); error = -ENOMEM; goto out; } /* * We don't change the dma_coherent_mask, so - * pci_alloc_consistent only returns 32bit addresses + * dma_alloc_coherent only returns 32bit addresses */ - kern_sge32[i].phys_addr = (u32) buf_handle; - kern_sge32[i].length = ioc->sgl[i].iov_len; + if (instance->consistent_mask_64bit) { + kern_sge64[i].phys_addr = cpu_to_le64(buf_handle); + kern_sge64[i].length = cpu_to_le32(ioc->sgl[i].iov_len); + } else { + kern_sge32[i].phys_addr = cpu_to_le32(buf_handle); + kern_sge32[i].length = cpu_to_le32(ioc->sgl[i].iov_len); + } /* * We created a kernel buffer corresponding to the @@ -4892,6 +8372,13 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, } if (ioc->sense_len) { + /* make sure the pointer is part of the frame */ + if (ioc->sense_off > + (sizeof(union megasas_frame) - sizeof(__le64))) { + error = -EINVAL; + goto out; + } + sense = dma_alloc_coherent(&instance->pdev->dev, ioc->sense_len, &sense_handle, GFP_KERNEL); if (!sense) { @@ -4899,9 +8386,9 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, goto out; } - sense_ptr = - (unsigned long *) ((unsigned long)cmd->frame + ioc->sense_off); - *sense_ptr = sense_handle; + /* always store 64 bits regardless of addressing */ + sense_ptr = (void *)cmd->frame + ioc->sense_off; + put_unaligned_le64(sense_handle, sense_ptr); } /* @@ -4909,9 +8396,27 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, * cmd to the SCSI mid-layer */ cmd->sync_cmd = 1; - megasas_issue_blocked_cmd(instance, cmd); + + ret = megasas_issue_blocked_cmd(instance, cmd, 0); + switch (ret) { + case DCMD_INIT: + case DCMD_BUSY: + cmd->sync_cmd = 0; + dev_err(&instance->pdev->dev, + "return -EBUSY from %s %d cmd 0x%x opcode 0x%x cmd->cmd_status_drv 0x%x\n", + __func__, __LINE__, cmd->frame->hdr.cmd, opcode, + cmd->cmd_status_drv); + error = -EBUSY; + goto out; + } + cmd->sync_cmd = 0; + if (instance->unload == 1) { + dev_info(&instance->pdev->dev, "Driver unload is in progress " + "don't submit data to application\n"); + goto out; + } /* * copy out the kernel buffers to user buffers */ @@ -4927,16 +8432,20 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, * copy out the sense */ if (ioc->sense_len) { + void __user *uptr; /* * sense_ptr points to the location that has the user * sense buffer address */ - sense_ptr = (unsigned long *) ((unsigned long)ioc->frame.raw + - ioc->sense_off); + sense_ptr = (void *)ioc->frame.raw + ioc->sense_off; + if (in_compat_syscall()) + uptr = compat_ptr(get_unaligned((compat_uptr_t *) + sense_ptr)); + else + uptr = get_unaligned((void __user **)sense_ptr); - if (copy_to_user((void __user *)((unsigned long)(*sense_ptr)), - sense, ioc->sense_len)) { - printk(KERN_ERR "megasas: Failed to copy out to user " + if (copy_to_user(uptr, sense, ioc->sense_len)) { + dev_err(&instance->pdev->dev, "Failed to copy out to user " "sense data\n"); error = -EFAULT; goto out; @@ -4948,28 +8457,68 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, */ if (copy_to_user(&user_ioc->frame.hdr.cmd_status, &cmd->frame->hdr.cmd_status, sizeof(u8))) { - printk(KERN_DEBUG "megasas: Error copying out cmd_status\n"); + dev_printk(KERN_DEBUG, &instance->pdev->dev, "Error copying out cmd_status\n"); error = -EFAULT; } - out: +out: if (sense) { dma_free_coherent(&instance->pdev->dev, ioc->sense_len, sense, sense_handle); } for (i = 0; i < ioc->sge_count; i++) { - if (kbuff_arr[i]) - dma_free_coherent(&instance->pdev->dev, - kern_sge32[i].length, - kbuff_arr[i], - kern_sge32[i].phys_addr); + if (kbuff_arr[i]) { + if (instance->consistent_mask_64bit) + dma_free_coherent(&instance->pdev->dev, + le32_to_cpu(kern_sge64[i].length), + kbuff_arr[i], + le64_to_cpu(kern_sge64[i].phys_addr)); + else + dma_free_coherent(&instance->pdev->dev, + le32_to_cpu(kern_sge32[i].length), + kbuff_arr[i], + le32_to_cpu(kern_sge32[i].phys_addr)); + kbuff_arr[i] = NULL; + } } megasas_return_cmd(instance, cmd); return error; } +static struct megasas_iocpacket * +megasas_compat_iocpacket_get_user(void __user *arg) +{ + struct megasas_iocpacket *ioc; + struct compat_megasas_iocpacket __user *cioc = arg; + size_t size; + int err = -EFAULT; + int i; + + ioc = kzalloc(sizeof(*ioc), GFP_KERNEL); + if (!ioc) + return ERR_PTR(-ENOMEM); + size = offsetof(struct megasas_iocpacket, frame) + sizeof(ioc->frame); + if (copy_from_user(ioc, arg, size)) + goto out; + + for (i = 0; i < MAX_IOCTL_SGE; i++) { + compat_uptr_t iov_base; + + if (get_user(iov_base, &cioc->sgl[i].iov_base) || + get_user(ioc->sgl[i].iov_len, &cioc->sgl[i].iov_len)) + goto out; + + ioc->sgl[i].iov_base = compat_ptr(iov_base); + } + + return ioc; +out: + kfree(ioc); + return ERR_PTR(err); +} + static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg) { struct megasas_iocpacket __user *user_ioc = @@ -4977,18 +8526,14 @@ static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg) struct megasas_iocpacket *ioc; struct megasas_instance *instance; int error; - int i; - unsigned long flags; - u32 wait_time = MEGASAS_RESET_WAIT_TIME; - ioc = kmalloc(sizeof(*ioc), GFP_KERNEL); - if (!ioc) - return -ENOMEM; + if (in_compat_syscall()) + ioc = megasas_compat_iocpacket_get_user(user_ioc); + else + ioc = memdup_user(user_ioc, sizeof(struct megasas_iocpacket)); - if (copy_from_user(ioc, user_ioc, sizeof(*ioc))) { - error = -EFAULT; - goto out_kfree_ioc; - } + if (IS_ERR(ioc)) + return PTR_ERR(ioc); instance = megasas_lookup_instance(ioc->host_no); if (!instance) { @@ -4996,8 +8541,14 @@ static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg) goto out_kfree_ioc; } - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { - printk(KERN_ERR "Controller in crit error\n"); + /* Block ioctls in VF mode */ + if (instance->requestorId && !allow_vf_ioctls) { + error = -ENODEV; + goto out_kfree_ioc; + } + + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { + dev_err(&instance->pdev->dev, "Controller in crit error\n"); error = -ENODEV; goto out_kfree_ioc; } @@ -5007,47 +8558,21 @@ static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg) goto out_kfree_ioc; } - /* - * We will allow only MEGASAS_INT_CMDS number of parallel ioctl cmds - */ if (down_interruptible(&instance->ioctl_sem)) { error = -ERESTARTSYS; goto out_kfree_ioc; } - for (i = 0; i < wait_time; i++) { - - spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) { - spin_unlock_irqrestore(&instance->hba_lock, flags); - break; - } - spin_unlock_irqrestore(&instance->hba_lock, flags); - - if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { - printk(KERN_NOTICE "megasas: waiting" - "for controller reset to finish\n"); - } - - msleep(1000); - } - - spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { - spin_unlock_irqrestore(&instance->hba_lock, flags); - - printk(KERN_ERR "megaraid_sas: timed out while" - "waiting for HBA to recover\n"); + if (megasas_wait_for_adapter_operational(instance)) { error = -ENODEV; goto out_up; } - spin_unlock_irqrestore(&instance->hba_lock, flags); error = megasas_mgmt_fw_ioctl(instance, user_ioc, ioc); - out_up: +out_up: up(&instance->ioctl_sem); - out_kfree_ioc: +out_kfree_ioc: kfree(ioc); return error; } @@ -5057,9 +8582,6 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) struct megasas_instance *instance; struct megasas_aen aen; int error; - int i; - unsigned long flags; - u32 wait_time = MEGASAS_RESET_WAIT_TIME; if (file->private_data != file) { printk(KERN_DEBUG "megasas: fasync_helper was not " @@ -5075,7 +8597,7 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) if (!instance) return -ENODEV; - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { return -ENODEV; } @@ -5083,43 +8605,21 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) return -ENODEV; } - for (i = 0; i < wait_time; i++) { - - spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) { - spin_unlock_irqrestore(&instance->hba_lock, - flags); - break; - } - - spin_unlock_irqrestore(&instance->hba_lock, flags); - - if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { - printk(KERN_NOTICE "megasas: waiting for" - "controller reset to finish\n"); - } - - msleep(1000); - } - - spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { - spin_unlock_irqrestore(&instance->hba_lock, flags); - printk(KERN_ERR "megaraid_sas: timed out while waiting" - "for HBA to recover.\n"); + if (megasas_wait_for_adapter_operational(instance)) return -ENODEV; - } - spin_unlock_irqrestore(&instance->hba_lock, flags); - mutex_lock(&instance->aen_mutex); + mutex_lock(&instance->reset_mutex); error = megasas_register_aen(instance, aen.seq_num, aen.class_locale_word); - mutex_unlock(&instance->aen_mutex); + mutex_unlock(&instance->reset_mutex); return error; } /** * megasas_mgmt_ioctl - char node ioctl entry point + * @file: char device file pointer + * @cmd: ioctl command + * @arg: ioctl command arguments address */ static long megasas_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) @@ -5136,67 +8636,13 @@ megasas_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) } #ifdef CONFIG_COMPAT -static int megasas_mgmt_compat_ioctl_fw(struct file *file, unsigned long arg) -{ - struct compat_megasas_iocpacket __user *cioc = - (struct compat_megasas_iocpacket __user *)arg; - struct megasas_iocpacket __user *ioc = - compat_alloc_user_space(sizeof(struct megasas_iocpacket)); - int i; - int error = 0; - compat_uptr_t ptr; - - if (clear_user(ioc, sizeof(*ioc))) - return -EFAULT; - - if (copy_in_user(&ioc->host_no, &cioc->host_no, sizeof(u16)) || - copy_in_user(&ioc->sgl_off, &cioc->sgl_off, sizeof(u32)) || - copy_in_user(&ioc->sense_off, &cioc->sense_off, sizeof(u32)) || - copy_in_user(&ioc->sense_len, &cioc->sense_len, sizeof(u32)) || - copy_in_user(ioc->frame.raw, cioc->frame.raw, 128) || - copy_in_user(&ioc->sge_count, &cioc->sge_count, sizeof(u32))) - return -EFAULT; - - /* - * The sense_ptr is used in megasas_mgmt_fw_ioctl only when - * sense_len is not null, so prepare the 64bit value under - * the same condition. - */ - if (ioc->sense_len) { - void __user **sense_ioc_ptr = - (void __user **)(ioc->frame.raw + ioc->sense_off); - compat_uptr_t *sense_cioc_ptr = - (compat_uptr_t *)(cioc->frame.raw + cioc->sense_off); - if (get_user(ptr, sense_cioc_ptr) || - put_user(compat_ptr(ptr), sense_ioc_ptr)) - return -EFAULT; - } - - for (i = 0; i < MAX_IOCTL_SGE; i++) { - if (get_user(ptr, &cioc->sgl[i].iov_base) || - put_user(compat_ptr(ptr), &ioc->sgl[i].iov_base) || - copy_in_user(&ioc->sgl[i].iov_len, - &cioc->sgl[i].iov_len, sizeof(compat_size_t))) - return -EFAULT; - } - - error = megasas_mgmt_ioctl_fw(file, (unsigned long)ioc); - - if (copy_in_user(&cioc->frame.hdr.cmd_status, - &ioc->frame.hdr.cmd_status, sizeof(u8))) { - printk(KERN_DEBUG "megasas: error copy_in_user cmd_status\n"); - return -EFAULT; - } - return error; -} - static long megasas_mgmt_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { switch (cmd) { case MEGASAS_IOC_FIRMWARE32: - return megasas_mgmt_compat_ioctl_fw(file, arg); + return megasas_mgmt_ioctl_fw(file, arg); case MEGASAS_IOC_GET_AEN: return megasas_mgmt_ioctl_aen(file, arg); } @@ -5220,6 +8666,8 @@ static const struct file_operations megasas_mgmt_fops = { .llseek = noop_llseek, }; +static SIMPLE_DEV_PM_OPS(megasas_pm_ops, megasas_suspend, megasas_resume); + /* * PCI hotplug support registration structure */ @@ -5229,69 +8677,204 @@ static struct pci_driver megasas_pci_driver = { .id_table = megasas_pci_table, .probe = megasas_probe_one, .remove = megasas_detach_one, - .suspend = megasas_suspend, - .resume = megasas_resume, + .driver.pm = &megasas_pm_ops, .shutdown = megasas_shutdown, }; /* * Sysfs driver attributes */ -static ssize_t megasas_sysfs_show_version(struct device_driver *dd, char *buf) +static ssize_t version_show(struct device_driver *dd, char *buf) { return snprintf(buf, strlen(MEGASAS_VERSION) + 2, "%s\n", MEGASAS_VERSION); } +static DRIVER_ATTR_RO(version); -static DRIVER_ATTR(version, S_IRUGO, megasas_sysfs_show_version, NULL); - -static ssize_t -megasas_sysfs_show_release_date(struct device_driver *dd, char *buf) +static ssize_t release_date_show(struct device_driver *dd, char *buf) { return snprintf(buf, strlen(MEGASAS_RELDATE) + 2, "%s\n", - MEGASAS_RELDATE); + MEGASAS_RELDATE); } +static DRIVER_ATTR_RO(release_date); -static DRIVER_ATTR(release_date, S_IRUGO, megasas_sysfs_show_release_date, - NULL); - -static ssize_t -megasas_sysfs_show_support_poll_for_event(struct device_driver *dd, char *buf) +static ssize_t support_poll_for_event_show(struct device_driver *dd, char *buf) { return sprintf(buf, "%u\n", support_poll_for_event); } +static DRIVER_ATTR_RO(support_poll_for_event); -static DRIVER_ATTR(support_poll_for_event, S_IRUGO, - megasas_sysfs_show_support_poll_for_event, NULL); - - static ssize_t -megasas_sysfs_show_support_device_change(struct device_driver *dd, char *buf) +static ssize_t support_device_change_show(struct device_driver *dd, char *buf) { return sprintf(buf, "%u\n", support_device_change); } +static DRIVER_ATTR_RO(support_device_change); -static DRIVER_ATTR(support_device_change, S_IRUGO, - megasas_sysfs_show_support_device_change, NULL); - -static ssize_t -megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf) +static ssize_t dbg_lvl_show(struct device_driver *dd, char *buf) { return sprintf(buf, "%u\n", megasas_dbg_lvl); } -static ssize_t -megasas_sysfs_set_dbg_lvl(struct device_driver *dd, const char *buf, size_t count) +static ssize_t dbg_lvl_store(struct device_driver *dd, const char *buf, + size_t count) { int retval = count; - if(sscanf(buf,"%u",&megasas_dbg_lvl)<1){ + + if (sscanf(buf, "%u", &megasas_dbg_lvl) < 1) { printk(KERN_ERR "megasas: could not set dbg_lvl\n"); retval = -EINVAL; } return retval; } +static DRIVER_ATTR_RW(dbg_lvl); -static DRIVER_ATTR(dbg_lvl, S_IRUGO|S_IWUSR, megasas_sysfs_show_dbg_lvl, - megasas_sysfs_set_dbg_lvl); +static ssize_t +support_nvme_encapsulation_show(struct device_driver *dd, char *buf) +{ + return sprintf(buf, "%u\n", support_nvme_encapsulation); +} + +static DRIVER_ATTR_RO(support_nvme_encapsulation); + +static ssize_t +support_pci_lane_margining_show(struct device_driver *dd, char *buf) +{ + return sprintf(buf, "%u\n", support_pci_lane_margining); +} + +static DRIVER_ATTR_RO(support_pci_lane_margining); + +static inline void megasas_remove_scsi_device(struct scsi_device *sdev) +{ + sdev_printk(KERN_INFO, sdev, "SCSI device is removed\n"); + scsi_remove_device(sdev); + scsi_device_put(sdev); +} + +/** + * megasas_update_device_list - Update the PD and LD device list from FW + * after an AEN event notification + * @instance: Adapter soft state + * @event_type: Indicates type of event (PD or LD event) + * + * @return: Success or failure + * + * Issue DCMDs to Firmware to update the internal device list in driver. + * Based on the FW support, driver sends the HOST_DEVICE_LIST or combination + * of PD_LIST/LD_LIST_QUERY DCMDs to get the device list. + */ +static +int megasas_update_device_list(struct megasas_instance *instance, + int event_type) +{ + int dcmd_ret; + + if (instance->enable_fw_dev_list) { + return megasas_host_device_list_query(instance, false); + } else { + if (event_type & SCAN_PD_CHANNEL) { + dcmd_ret = megasas_get_pd_list(instance); + if (dcmd_ret != DCMD_SUCCESS) + return dcmd_ret; + } + + if (event_type & SCAN_VD_CHANNEL) { + if (!instance->requestorId || + megasas_get_ld_vf_affiliation(instance, 0)) { + return megasas_ld_list_query(instance, + MR_LD_QUERY_TYPE_EXPOSED_TO_HOST); + } + } + } + return DCMD_SUCCESS; +} + +/** + * megasas_add_remove_devices - Add/remove devices to SCSI mid-layer + * after an AEN event notification + * @instance: Adapter soft state + * @scan_type: Indicates type of devices (PD/LD) to add + * @return void + */ +static +void megasas_add_remove_devices(struct megasas_instance *instance, + int scan_type) +{ + int i, j; + u16 pd_index = 0; + u16 ld_index = 0; + u16 channel = 0, id = 0; + struct Scsi_Host *host; + struct scsi_device *sdev1; + struct MR_HOST_DEVICE_LIST *targetid_list = NULL; + struct MR_HOST_DEVICE_LIST_ENTRY *targetid_entry = NULL; + + host = instance->host; + + if (instance->enable_fw_dev_list) { + targetid_list = instance->host_device_list_buf; + for (i = 0; i < targetid_list->count; i++) { + targetid_entry = &targetid_list->host_device_list[i]; + if (targetid_entry->flags.u.bits.is_sys_pd) { + channel = le16_to_cpu(targetid_entry->target_id) / + MEGASAS_MAX_DEV_PER_CHANNEL; + id = le16_to_cpu(targetid_entry->target_id) % + MEGASAS_MAX_DEV_PER_CHANNEL; + } else { + channel = MEGASAS_MAX_PD_CHANNELS + + (le16_to_cpu(targetid_entry->target_id) / + MEGASAS_MAX_DEV_PER_CHANNEL); + id = le16_to_cpu(targetid_entry->target_id) % + MEGASAS_MAX_DEV_PER_CHANNEL; + } + sdev1 = scsi_device_lookup(host, channel, id, 0); + if (!sdev1) { + scsi_add_device(host, channel, id, 0); + } else { + scsi_device_put(sdev1); + } + } + } + + if (scan_type & SCAN_PD_CHANNEL) { + for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) { + for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) { + pd_index = i * MEGASAS_MAX_DEV_PER_CHANNEL + j; + sdev1 = scsi_device_lookup(host, i, j, 0); + if (instance->pd_list[pd_index].driveState == + MR_PD_STATE_SYSTEM) { + if (!sdev1) + scsi_add_device(host, i, j, 0); + else + scsi_device_put(sdev1); + } else { + if (sdev1) + megasas_remove_scsi_device(sdev1); + } + } + } + } + + if (scan_type & SCAN_VD_CHANNEL) { + for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) { + for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) { + ld_index = (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; + sdev1 = scsi_device_lookup(host, + MEGASAS_MAX_PD_CHANNELS + i, j, 0); + if (instance->ld_ids[ld_index] != 0xff) { + if (!sdev1) + scsi_add_device(host, MEGASAS_MAX_PD_CHANNELS + i, j, 0); + else + scsi_device_put(sdev1); + } else { + if (sdev1) + megasas_remove_scsi_device(sdev1); + } + } + } + } + +} static void megasas_aen_polling(struct work_struct *work) @@ -5300,224 +8883,114 @@ megasas_aen_polling(struct work_struct *work) container_of(work, struct megasas_aen_event, hotplug_work.work); struct megasas_instance *instance = ev->instance; union megasas_evt_class_locale class_locale; - struct Scsi_Host *host; - struct scsi_device *sdev1; - u16 pd_index = 0; - u16 ld_index = 0; - int i, j, doscan = 0; + int event_type = 0; u32 seq_num; + u16 ld_target_id; int error; + u8 dcmd_ret = DCMD_SUCCESS; + struct scsi_device *sdev1; if (!instance) { printk(KERN_ERR "invalid instance!\n"); kfree(ev); return; } - instance->ev = NULL; - host = instance->host; - if (instance->evt_detail) { - - switch (instance->evt_detail->code) { - case MR_EVT_PD_INSERTED: - if (megasas_get_pd_list(instance) == 0) { - for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) { - for (j = 0; - j < MEGASAS_MAX_DEV_PER_CHANNEL; - j++) { - pd_index = - (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; + /* Don't run the event workqueue thread if OCR is running */ + mutex_lock(&instance->reset_mutex); - sdev1 = - scsi_device_lookup(host, i, j, 0); + instance->ev = NULL; + if (instance->evt_detail) { + megasas_decode_evt(instance); - if (instance->pd_list[pd_index].driveState - == MR_PD_STATE_SYSTEM) { - if (!sdev1) { - scsi_add_device(host, i, j, 0); - } - - if (sdev1) - scsi_device_put(sdev1); - } - } - } - } - doscan = 0; - break; + switch (le32_to_cpu(instance->evt_detail->code)) { + case MR_EVT_PD_INSERTED: case MR_EVT_PD_REMOVED: - if (megasas_get_pd_list(instance) == 0) { - for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) { - for (j = 0; - j < MEGASAS_MAX_DEV_PER_CHANNEL; - j++) { - - pd_index = - (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; - - sdev1 = - scsi_device_lookup(host, i, j, 0); - - if (instance->pd_list[pd_index].driveState - == MR_PD_STATE_SYSTEM) { - if (sdev1) { - scsi_device_put(sdev1); - } - } else { - if (sdev1) { - scsi_remove_device(sdev1); - scsi_device_put(sdev1); - } - } - } - } - } - doscan = 0; + event_type = SCAN_PD_CHANNEL; break; case MR_EVT_LD_OFFLINE: - case MR_EVT_CFG_CLEARED: case MR_EVT_LD_DELETED: - megasas_get_ld_list(instance); - for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) { - for (j = 0; - j < MEGASAS_MAX_DEV_PER_CHANNEL; - j++) { - - ld_index = - (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; - - sdev1 = scsi_device_lookup(host, - i + MEGASAS_MAX_LD_CHANNELS, - j, - 0); - - if (instance->ld_ids[ld_index] != 0xff) { - if (sdev1) { - scsi_device_put(sdev1); - } - } else { - if (sdev1) { - scsi_remove_device(sdev1); - scsi_device_put(sdev1); - } - } - } + ld_target_id = instance->evt_detail->args.ld.target_id; + sdev1 = scsi_device_lookup(instance->host, + MEGASAS_MAX_PD_CHANNELS + + (ld_target_id / MEGASAS_MAX_DEV_PER_CHANNEL), + (ld_target_id % MEGASAS_MAX_DEV_PER_CHANNEL), + 0); + if (sdev1) { + mutex_unlock(&instance->reset_mutex); + megasas_remove_scsi_device(sdev1); + mutex_lock(&instance->reset_mutex); } - doscan = 0; + + event_type = SCAN_VD_CHANNEL; break; case MR_EVT_LD_CREATED: - megasas_get_ld_list(instance); - for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) { - for (j = 0; - j < MEGASAS_MAX_DEV_PER_CHANNEL; - j++) { - ld_index = - (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; - - sdev1 = scsi_device_lookup(host, - i+MEGASAS_MAX_LD_CHANNELS, - j, 0); - - if (instance->ld_ids[ld_index] != - 0xff) { - if (!sdev1) { - scsi_add_device(host, - i + 2, - j, 0); - } - } - if (sdev1) { - scsi_device_put(sdev1); - } - } - } - doscan = 0; + event_type = SCAN_VD_CHANNEL; break; + + case MR_EVT_CFG_CLEARED: case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED: case MR_EVT_FOREIGN_CFG_IMPORTED: case MR_EVT_LD_STATE_CHANGE: - doscan = 1; + event_type = SCAN_PD_CHANNEL | SCAN_VD_CHANNEL; + dev_info(&instance->pdev->dev, "scanning for scsi%d...\n", + instance->host->host_no); + break; + + case MR_EVT_CTRL_PROP_CHANGED: + dcmd_ret = megasas_get_ctrl_info(instance); + if (dcmd_ret == DCMD_SUCCESS && + instance->snapdump_wait_time) { + megasas_get_snapdump_properties(instance); + dev_info(&instance->pdev->dev, + "Snap dump wait time\t: %d\n", + instance->snapdump_wait_time); + } break; default: - doscan = 0; + event_type = 0; break; } } else { - printk(KERN_ERR "invalid evt_detail!\n"); + dev_err(&instance->pdev->dev, "invalid evt_detail!\n"); + mutex_unlock(&instance->reset_mutex); kfree(ev); return; } - if (doscan) { - printk(KERN_INFO "scanning ...\n"); - megasas_get_pd_list(instance); - for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) { - for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) { - pd_index = i*MEGASAS_MAX_DEV_PER_CHANNEL + j; - sdev1 = scsi_device_lookup(host, i, j, 0); - if (instance->pd_list[pd_index].driveState == - MR_PD_STATE_SYSTEM) { - if (!sdev1) { - scsi_add_device(host, i, j, 0); - } - if (sdev1) - scsi_device_put(sdev1); - } else { - if (sdev1) { - scsi_remove_device(sdev1); - scsi_device_put(sdev1); - } - } - } - } + if (event_type) + dcmd_ret = megasas_update_device_list(instance, event_type); - megasas_get_ld_list(instance); - for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) { - for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) { - ld_index = - (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j; + mutex_unlock(&instance->reset_mutex); - sdev1 = scsi_device_lookup(host, - i+MEGASAS_MAX_LD_CHANNELS, j, 0); - if (instance->ld_ids[ld_index] != 0xff) { - if (!sdev1) { - scsi_add_device(host, - i+2, - j, 0); - } else { - scsi_device_put(sdev1); - } - } else { - if (sdev1) { - scsi_remove_device(sdev1); - scsi_device_put(sdev1); - } - } - } - } - } + if (event_type && dcmd_ret == DCMD_SUCCESS) + megasas_add_remove_devices(instance, event_type); - if ( instance->aen_cmd != NULL ) { - kfree(ev); - return ; - } - - seq_num = instance->evt_detail->seq_num + 1; + if (dcmd_ret == DCMD_SUCCESS) + seq_num = le32_to_cpu(instance->evt_detail->seq_num) + 1; + else + seq_num = instance->last_seq_num; /* Register AEN with FW for latest sequence number plus 1 */ class_locale.members.reserved = 0; class_locale.members.locale = MR_EVT_LOCALE_ALL; class_locale.members.class = MR_EVT_CLASS_DEBUG; - mutex_lock(&instance->aen_mutex); + + if (instance->aen_cmd != NULL) { + kfree(ev); + return; + } + + mutex_lock(&instance->reset_mutex); error = megasas_register_aen(instance, seq_num, class_locale.word); - mutex_unlock(&instance->aen_mutex); - if (error) - printk(KERN_ERR "register aen failed error %x\n", error); + dev_err(&instance->pdev->dev, + "register aen failed error %x\n", error); + mutex_unlock(&instance->reset_mutex); kfree(ev); } @@ -5529,15 +9002,26 @@ static int __init megasas_init(void) int rval; /* - * Announce driver version and other information + * Booted in kdump kernel, minimize memory footprints by + * disabling few features */ - printk(KERN_INFO "megasas: %s %s\n", MEGASAS_VERSION, - MEGASAS_EXT_VERSION); + if (reset_devices) { + msix_vectors = 1; + rdpq_enable = 0; + dual_qdepth_disable = 1; + poll_queues = 0; + } - spin_lock_init(&poll_aen_lock); + /* + * Announce driver version and other information + */ + pr_info("megasas: %s\n", MEGASAS_VERSION); + megasas_dbg_lvl = 0; support_poll_for_event = 2; support_device_change = 1; + support_nvme_encapsulation = true; + support_pci_lane_margining = true; memset(&megasas_mgmt_info, 0, sizeof(megasas_mgmt_info)); @@ -5553,20 +9037,29 @@ static int __init megasas_init(void) megasas_mgmt_majorno = rval; + megasas_init_debugfs(); + /* * Register ourselves as PCI hotplug module */ rval = pci_register_driver(&megasas_pci_driver); if (rval) { - printk(KERN_DEBUG "megasas: PCI hotplug regisration failed \n"); + printk(KERN_DEBUG "megasas: PCI hotplug registration failed \n"); goto err_pcidrv; } + if ((event_log_level < MFI_EVT_CLASS_DEBUG) || + (event_log_level > MFI_EVT_CLASS_DEAD)) { + pr_warn("megaraid_sas: provided event log level is out of range, setting it to default 2(CLASS_CRITICAL), permissible range is: -2 to 4\n"); + event_log_level = MFI_EVT_CLASS_CRITICAL; + } + rval = driver_create_file(&megasas_pci_driver.driver, &driver_attr_version); if (rval) goto err_dcf_attr_ver; + rval = driver_create_file(&megasas_pci_driver.driver, &driver_attr_release_date); if (rval) @@ -5586,24 +9079,41 @@ static int __init megasas_init(void) if (rval) goto err_dcf_support_device_change; + rval = driver_create_file(&megasas_pci_driver.driver, + &driver_attr_support_nvme_encapsulation); + if (rval) + goto err_dcf_support_nvme_encapsulation; + + rval = driver_create_file(&megasas_pci_driver.driver, + &driver_attr_support_pci_lane_margining); + if (rval) + goto err_dcf_support_pci_lane_margining; + return rval; +err_dcf_support_pci_lane_margining: + driver_remove_file(&megasas_pci_driver.driver, + &driver_attr_support_nvme_encapsulation); + +err_dcf_support_nvme_encapsulation: + driver_remove_file(&megasas_pci_driver.driver, + &driver_attr_support_device_change); + err_dcf_support_device_change: driver_remove_file(&megasas_pci_driver.driver, &driver_attr_dbg_lvl); err_dcf_dbg_lvl: driver_remove_file(&megasas_pci_driver.driver, &driver_attr_support_poll_for_event); - err_dcf_support_poll_for_event: driver_remove_file(&megasas_pci_driver.driver, &driver_attr_release_date); - err_dcf_rel_date: driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version); err_dcf_attr_ver: pci_unregister_driver(&megasas_pci_driver); err_pcidrv: + megasas_exit_debugfs(); unregister_chrdev(megasas_mgmt_majorno, "megaraid_sas_ioctl"); return rval; } @@ -5622,8 +9132,13 @@ static void __exit megasas_exit(void) driver_remove_file(&megasas_pci_driver.driver, &driver_attr_release_date); driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version); + driver_remove_file(&megasas_pci_driver.driver, + &driver_attr_support_nvme_encapsulation); + driver_remove_file(&megasas_pci_driver.driver, + &driver_attr_support_pci_lane_margining); pci_unregister_driver(&megasas_pci_driver); + megasas_exit_debugfs(); unregister_chrdev(megasas_mgmt_majorno, "megaraid_sas_ioctl"); } |