diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_disc.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_disc.h | 159 |
1 files changed, 96 insertions, 63 deletions
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index af49fb03dbb8..51cb8571c049 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -1,9 +1,11 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2008 Emulex. All rights reserved. * + * Copyright (C) 2017-2025 Broadcom. All Rights Reserved. The term * + * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * + * Copyright (C) 2004-2013 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * + * www.broadcom.com * * * * This program is free software; you can redistribute it and/or * * modify it under the terms of version 2 of the GNU General * @@ -39,6 +41,7 @@ enum lpfc_work_type { LPFC_EVT_DEV_LOSS, LPFC_EVT_FASTPATH_MGMT_EVT, LPFC_EVT_RESET_HBA, + LPFC_EVT_RECOVER_PORT }; /* structure used to queue event to the discovery tasklet */ @@ -74,11 +77,32 @@ struct lpfc_node_rrqs { unsigned long xri_bitmap[XRI_BITMAP_ULONGS]; }; +enum lpfc_fc4_xpt_flags { + NLP_XPT_REGD = 0x1, + SCSI_XPT_REGD = 0x2, + NVME_XPT_REGD = 0x4, + NVME_XPT_UNREG_WAIT = 0x8, + NLP_XPT_HAS_HH = 0x10 +}; + +enum lpfc_nlp_save_flags { /* mask bits */ + /* devloss occurred during recovery */ + NLP_IN_RECOV_POST_DEV_LOSS, + /* wait for outstanding LOGO to cmpl */ + NLP_WAIT_FOR_LOGO, + /* wait for outstanding DA_ID to finish */ + NLP_WAIT_FOR_DA_ID +}; + struct lpfc_nodelist { struct list_head nlp_listp; + struct serv_parm fc_sparam; /* buffer for service params */ struct lpfc_name nlp_portname; struct lpfc_name nlp_nodename; - uint32_t nlp_flag; /* entry flags */ + + spinlock_t lock; /* Node management lock */ + + unsigned long nlp_flag; /* entry flags */ uint32_t nlp_DID; /* FC D_ID of entry */ uint32_t nlp_last_elscmd; /* Last ELS cmd sent */ uint16_t nlp_type; @@ -86,6 +110,18 @@ struct lpfc_nodelist { #define NLP_FABRIC 0x4 /* entry rep a Fabric entity */ #define NLP_FCP_TARGET 0x8 /* entry is an FCP target */ #define NLP_FCP_INITIATOR 0x10 /* entry is an FCP Initiator */ +#define NLP_NVME_TARGET 0x20 /* entry is a NVME Target */ +#define NLP_NVME_INITIATOR 0x40 /* entry is a NVME Initiator */ +#define NLP_NVME_DISCOVERY 0x80 /* entry has NVME disc srvc */ + + uint16_t nlp_fc4_type; /* FC types node supports. */ + /* Assigned from GID_FF, only + * FCP (0x8) and NVME (0x28) + * supported. + */ +#define NLP_FC4_NONE 0x0 +#define NLP_FC4_FCP 0x1 /* FC4 Type FCP (value x8)) */ +#define NLP_FC4_NVME 0x2 /* FC4 TYPE NVME (value x28) */ uint16_t nlp_rpi; uint16_t nlp_state; /* state transition indicator */ @@ -98,27 +134,41 @@ struct lpfc_nodelist { uint8_t nlp_retry; /* used for ELS retries */ uint8_t nlp_fcp_info; /* class info, bits 0-3 */ #define NLP_FCP_2_DEVICE 0x10 /* FCP-2 device */ - - uint16_t nlp_usg_map; /* ndlp management usage bitmap */ -#define NLP_USG_NODE_ACT_BIT 0x1 /* Indicate ndlp is actively used */ -#define NLP_USG_IACT_REQ_BIT 0x2 /* Request to inactivate ndlp */ -#define NLP_USG_FREE_REQ_BIT 0x4 /* Request to invoke ndlp memory free */ -#define NLP_USG_FREE_ACK_BIT 0x8 /* Indicate ndlp memory free invoked */ + u8 nlp_nvme_info; /* NVME NSLER Support */ + uint8_t vmid_support; /* destination VMID support */ +#define NLP_NVME_NSLER 0x1 /* NVME NSLER device */ struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */ struct lpfc_hba *phba; - struct fc_rport *rport; /* Corresponding FC transport - port structure */ + struct fc_rport *rport; /* scsi_transport_fc port structure */ + struct lpfc_nvme_rport *nrport; /* nvme transport rport struct. */ struct lpfc_vport *vport; struct lpfc_work_evt els_retry_evt; struct lpfc_work_evt dev_loss_evt; + struct lpfc_work_evt recovery_evt; struct kref kref; atomic_t cmd_pending; uint32_t cmd_qdepth; unsigned long last_change_time; - struct lpfc_node_rrqs active_rrqs; - struct lpfc_scsicmd_bkt *lat_data; /* Latency data */ + unsigned long *active_rrqs_xri_bitmap; + uint32_t fc4_prli_sent; + + /* flags to keep ndlp alive until special conditions are met */ + unsigned long save_flags; + + enum lpfc_fc4_xpt_flags fc4_xpt_flags; + + uint32_t nvme_fb_size; /* NVME target's supported byte cnt */ +#define NVME_FB_BIT_SHIFT 9 /* PRLI Rsp first burst in 512B units. */ + uint32_t nlp_defer_did; + + /* These wait objects are NPIV specific. These IOs must complete + * synchronously. + */ + wait_queue_head_t *logo_waitq; + wait_queue_head_t *da_id_waitq; }; + struct lpfc_node_rrq { struct list_head list; uint16_t xritag; @@ -126,60 +176,43 @@ struct lpfc_node_rrq { uint16_t rxid; uint32_t nlp_DID; /* FC D_ID of entry */ struct lpfc_vport *vport; - struct lpfc_nodelist *ndlp; unsigned long rrq_stop_time; }; -/* Defines for nlp_flag (uint32) */ -#define NLP_IGNR_REG_CMPL 0x00000001 /* Rcvd rscn before we cmpl reg login */ -#define NLP_REG_LOGIN_SEND 0x00000002 /* sent reglogin to adapter */ -#define NLP_PLOGI_SND 0x00000020 /* sent PLOGI request for this entry */ -#define NLP_PRLI_SND 0x00000040 /* sent PRLI request for this entry */ -#define NLP_ADISC_SND 0x00000080 /* sent ADISC request for this entry */ -#define NLP_LOGO_SND 0x00000100 /* sent LOGO request for this entry */ -#define NLP_RNID_SND 0x00000400 /* sent RNID request for this entry */ -#define NLP_ELS_SND_MASK 0x000007e0 /* sent ELS request for this entry */ -#define NLP_DEFER_RM 0x00010000 /* Remove this ndlp if no longer used */ -#define NLP_DELAY_TMO 0x00020000 /* delay timeout is running for node */ -#define NLP_NPR_2B_DISC 0x00040000 /* node is included in num_disc_nodes */ -#define NLP_RCV_PLOGI 0x00080000 /* Rcv'ed PLOGI from remote system */ -#define NLP_LOGO_ACC 0x00100000 /* Process LOGO after ACC completes */ -#define NLP_TGT_NO_SCSIID 0x00200000 /* good PRLI but no binding for scsid */ -#define NLP_ISSUE_LOGO 0x00400000 /* waiting to issue a LOGO */ -#define NLP_ACC_REGLOGIN 0x01000000 /* Issue Reg Login after successful +#define lpfc_ndlp_check_qdepth(phba, ndlp) \ + (ndlp->cmd_qdepth < phba->sli4_hba.max_cfg_param.max_xri) + +/* nlp_flag mask bits */ +enum lpfc_nlp_flag { + NLP_IGNR_REG_CMPL = 0, /* Rcvd rscn before we cmpl reg login */ + NLP_REG_LOGIN_SEND = 1, /* sent reglogin to adapter */ + NLP_SUPPRESS_RSP = 4, /* Remote NPort supports suppress rsp */ + NLP_PLOGI_SND = 5, /* sent PLOGI request for this entry */ + NLP_PRLI_SND = 6, /* sent PRLI request for this entry */ + NLP_ADISC_SND = 7, /* sent ADISC request for this entry */ + NLP_LOGO_SND = 8, /* sent LOGO request for this entry */ + NLP_RNID_SND = 10, /* sent RNID request for this entry */ + NLP_NVMET_RECOV = 12, /* NVMET auditing node for recovery. */ + NLP_UNREG_INP = 15, /* UNREG_RPI cmd is in progress */ + NLP_DROPPED = 16, /* Init ref count has been dropped */ + NLP_DELAY_TMO = 17, /* delay timeout is running for node */ + NLP_NPR_2B_DISC = 18, /* node is included in num_disc_nodes */ + NLP_RCV_PLOGI = 19, /* Rcv'ed PLOGI from remote system */ + NLP_LOGO_ACC = 20, /* Process LOGO after ACC completes */ + NLP_TGT_NO_SCSIID = 21, /* good PRLI but no binding for scsid */ + NLP_ISSUE_LOGO = 22, /* waiting to issue a LOGO */ + NLP_IN_DEV_LOSS = 23, /* devloss in progress */ + NLP_ACC_REGLOGIN = 24, /* Issue Reg Login after successful ACC */ -#define NLP_NPR_ADISC 0x02000000 /* Issue ADISC when dq'ed from + NLP_NPR_ADISC = 25, /* Issue ADISC when dq'ed from NPR list */ -#define NLP_RM_DFLT_RPI 0x04000000 /* need to remove leftover dflt RPI */ -#define NLP_NODEV_REMOVE 0x08000000 /* Defer removal till discovery ends */ -#define NLP_TARGET_REMOVE 0x10000000 /* Target remove in process */ -#define NLP_SC_REQ 0x20000000 /* Target requires authentication */ -#define NLP_RPI_REGISTERED 0x80000000 /* nlp_rpi is valid */ - -/* ndlp usage management macros */ -#define NLP_CHK_NODE_ACT(ndlp) (((ndlp)->nlp_usg_map \ - & NLP_USG_NODE_ACT_BIT) \ - && \ - !((ndlp)->nlp_usg_map \ - & NLP_USG_FREE_ACK_BIT)) -#define NLP_SET_NODE_ACT(ndlp) ((ndlp)->nlp_usg_map \ - |= NLP_USG_NODE_ACT_BIT) -#define NLP_INT_NODE_ACT(ndlp) ((ndlp)->nlp_usg_map \ - = NLP_USG_NODE_ACT_BIT) -#define NLP_CLR_NODE_ACT(ndlp) ((ndlp)->nlp_usg_map \ - &= ~NLP_USG_NODE_ACT_BIT) -#define NLP_CHK_IACT_REQ(ndlp) ((ndlp)->nlp_usg_map \ - & NLP_USG_IACT_REQ_BIT) -#define NLP_SET_IACT_REQ(ndlp) ((ndlp)->nlp_usg_map \ - |= NLP_USG_IACT_REQ_BIT) -#define NLP_CHK_FREE_REQ(ndlp) ((ndlp)->nlp_usg_map \ - & NLP_USG_FREE_REQ_BIT) -#define NLP_SET_FREE_REQ(ndlp) ((ndlp)->nlp_usg_map \ - |= NLP_USG_FREE_REQ_BIT) -#define NLP_CHK_FREE_ACK(ndlp) ((ndlp)->nlp_usg_map \ - & NLP_USG_FREE_ACK_BIT) -#define NLP_SET_FREE_ACK(ndlp) ((ndlp)->nlp_usg_map \ - |= NLP_USG_FREE_ACK_BIT) + NLP_RM_DFLT_RPI = 26, /* need to remove leftover dflt RPI */ + NLP_NODEV_REMOVE = 27, /* Defer removal till discovery ends */ + NLP_FLOGI_DFR_ACC = 28, /* FLOGI LS_ACC was Deferred */ + NLP_SC_REQ = 29, /* Target requires authentication */ + NLP_FIRSTBURST = 30, /* Target supports FirstBurst */ + NLP_RPI_REGISTERED = 31 /* nlp_rpi is valid */ +}; /* There are 4 different double linked lists nodelist entries can reside on. * The Port Login (PLOGI) list and Address Discovery (ADISC) list are used @@ -264,4 +297,4 @@ struct lpfc_node_rrq { #define NLP_EVT_DEVICE_RM 0xb /* Device not found in NS / ALPAmap */ #define NLP_EVT_DEVICE_RECOVERY 0xc /* Device existence unknown */ #define NLP_EVT_MAX_EVENT 0xd - +#define NLP_EVT_NOTHING_PENDING 0xff |