| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| James Smart | 3804 | 98.86% | 100 | 97.09% |
| James Bottomley | 31 | 0.81% | 1 | 0.97% |
| Dick Kennedy | 13 | 0.34% | 2 | 1.94% |
| Total | 3848 | 103 |
/******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2009-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * 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 * * Public License as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful. * * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * * TO BE LEGALLY INVALID. See the GNU General Public License for * * more details, a copy of which can be found in the file COPYING * * included with this package. * *******************************************************************/ #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS) #define CONFIG_SCSI_LPFC_DEBUG_FS #endif #define LPFC_ACTIVE_MBOX_WAIT_CNT 100 #define LPFC_XRI_EXCH_BUSY_WAIT_TMO 10000 #define LPFC_XRI_EXCH_BUSY_WAIT_T1 10 #define LPFC_XRI_EXCH_BUSY_WAIT_T2 30000 #define LPFC_RPI_LOW_WATER_MARK 10 #define LPFC_UNREG_FCF 1 #define LPFC_SKIP_UNREG_FCF 0 /* Amount of time in seconds for waiting FCF rediscovery to complete */ #define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */ /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */ #define LPFC_NEMBED_MBOX_SGL_CNT 254 /* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */ #define LPFC_HBA_HDWQ_MIN 0 #define LPFC_HBA_HDWQ_MAX 128 #define LPFC_HBA_HDWQ_DEF 0 /* Common buffer size to accomidate SCSI and NVME IO buffers */ #define LPFC_COMMON_IO_BUF_SZ 768 /* * Provide the default FCF Record attributes used by the driver * when nonFIP mode is configured and there is no other default * FCF Record attributes. */ #define LPFC_FCOE_FCF_DEF_INDEX 0 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF #define LPFC_FCOE_NULL_VID 0xFFF #define LPFC_FCOE_IGNORE_VID 0xFFFF /* First 3 bytes of default FCF MAC is specified by FC_MAP */ #define LPFC_FCOE_FCF_MAC3 0xFF #define LPFC_FCOE_FCF_MAC4 0xFF #define LPFC_FCOE_FCF_MAC5 0xFE #define LPFC_FCOE_FCF_MAP0 0x0E #define LPFC_FCOE_FCF_MAP1 0xFC #define LPFC_FCOE_FCF_MAP2 0x00 #define LPFC_FCOE_MAX_RCV_SIZE 0x800 #define LPFC_FCOE_FKA_ADV_PER 0 #define LPFC_FCOE_FIP_PRIORITY 0x80 #define sli4_sid_from_fc_hdr(fc_hdr) \ ((fc_hdr)->fh_s_id[0] << 16 | \ (fc_hdr)->fh_s_id[1] << 8 | \ (fc_hdr)->fh_s_id[2]) #define sli4_did_from_fc_hdr(fc_hdr) \ ((fc_hdr)->fh_d_id[0] << 16 | \ (fc_hdr)->fh_d_id[1] << 8 | \ (fc_hdr)->fh_d_id[2]) #define sli4_fctl_from_fc_hdr(fc_hdr) \ ((fc_hdr)->fh_f_ctl[0] << 16 | \ (fc_hdr)->fh_f_ctl[1] << 8 | \ (fc_hdr)->fh_f_ctl[2]) #define sli4_type_from_fc_hdr(fc_hdr) \ ((fc_hdr)->fh_type) #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000 #define INT_FW_UPGRADE 0 #define RUN_FW_UPGRADE 1 enum lpfc_sli4_queue_type { LPFC_EQ, LPFC_GCQ, LPFC_MCQ, LPFC_WCQ, LPFC_RCQ, LPFC_MQ, LPFC_WQ, LPFC_HRQ, LPFC_DRQ }; /* The queue sub-type defines the functional purpose of the queue */ enum lpfc_sli4_queue_subtype { LPFC_NONE, LPFC_MBOX, LPFC_FCP, LPFC_ELS, LPFC_NVME, LPFC_NVMET, LPFC_NVME_LS, LPFC_USOL }; /* RQ buffer list */ struct lpfc_rqb { uint16_t entry_count; /* Current number of RQ slots */ uint16_t buffer_count; /* Current number of buffers posted */ struct list_head rqb_buffer_list; /* buffers assigned to this HBQ */ /* Callback for HBQ buffer allocation */ struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *); /* Callback for HBQ buffer free */ void (*rqb_free_buffer)(struct lpfc_hba *, struct rqb_dmabuf *); }; struct lpfc_queue { struct list_head list; struct list_head wq_list; struct list_head wqfull_list; enum lpfc_sli4_queue_type type; enum lpfc_sli4_queue_subtype subtype; struct lpfc_hba *phba; struct list_head child_list; struct list_head page_list; struct list_head sgl_list; struct list_head cpu_list; uint32_t entry_count; /* Number of entries to support on the queue */ uint32_t entry_size; /* Size of each queue entry. */ uint32_t entry_cnt_per_pg; uint32_t notify_interval; /* Queue Notification Interval * For chip->host queues (EQ, CQ, RQ): * specifies the interval (number of * entries) where the doorbell is rung to * notify the chip of entry consumption. * For host->chip queues (WQ): * specifies the interval (number of * entries) where consumption CQE is * requested to indicate WQ entries * consumed by the chip. * Not used on an MQ. */ #define LPFC_EQ_NOTIFY_INTRVL 16 #define LPFC_CQ_NOTIFY_INTRVL 16 #define LPFC_WQ_NOTIFY_INTRVL 16 #define LPFC_RQ_NOTIFY_INTRVL 16 uint32_t max_proc_limit; /* Queue Processing Limit * For chip->host queues (EQ, CQ): * specifies the maximum number of * entries to be consumed in one * processing iteration sequence. Queue * will be rearmed after each iteration. * Not used on an MQ, RQ or WQ. */ #define LPFC_EQ_MAX_PROC_LIMIT 256 #define LPFC_CQ_MIN_PROC_LIMIT 64 #define LPFC_CQ_MAX_PROC_LIMIT LPFC_CQE_EXP_COUNT // 4096 #define LPFC_CQ_DEF_MAX_PROC_LIMIT LPFC_CQE_DEF_COUNT // 1024 #define LPFC_CQ_MIN_THRESHOLD_TO_POLL 64 #define LPFC_CQ_MAX_THRESHOLD_TO_POLL LPFC_CQ_DEF_MAX_PROC_LIMIT #define LPFC_CQ_DEF_THRESHOLD_TO_POLL LPFC_CQ_DEF_MAX_PROC_LIMIT uint32_t queue_claimed; /* indicates queue is being processed */ uint32_t queue_id; /* Queue ID assigned by the hardware */ uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */ uint32_t host_index; /* The host's index for putting or getting */ uint32_t hba_index; /* The last known hba index for get or put */ uint32_t q_mode; struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */ struct lpfc_rqb *rqbp; /* ptr to RQ buffers */ uint16_t page_count; /* Number of pages allocated for this queue */ uint16_t page_size; /* size of page allocated for this queue */ #define LPFC_EXPANDED_PAGE_SIZE 16384 #define LPFC_DEFAULT_PAGE_SIZE 4096 uint16_t chann; /* Hardware Queue association WQ/CQ */ /* CPU affinity for EQ */ #define LPFC_FIND_BY_EQ 0 #define LPFC_FIND_BY_HDWQ 1 uint8_t db_format; #define LPFC_DB_RING_FORMAT 0x01 #define LPFC_DB_LIST_FORMAT 0x02 uint8_t q_flag; #define HBA_NVMET_WQFULL 0x1 /* We hit WQ Full condition for NVMET */ void __iomem *db_regaddr; uint16_t dpp_enable; uint16_t dpp_id; void __iomem *dpp_regaddr; /* For q stats */ uint32_t q_cnt_1; uint32_t q_cnt_2; uint32_t q_cnt_3; uint64_t q_cnt_4; /* defines for EQ stats */ #define EQ_max_eqe q_cnt_1 #define EQ_no_entry q_cnt_2 #define EQ_cqe_cnt q_cnt_3 #define EQ_processed q_cnt_4 /* defines for CQ stats */ #define CQ_mbox q_cnt_1 #define CQ_max_cqe q_cnt_1 #define CQ_release_wqe q_cnt_2 #define CQ_xri_aborted q_cnt_3 #define CQ_wq q_cnt_4 /* defines for WQ stats */ #define WQ_overflow q_cnt_1 #define WQ_posted q_cnt_4 /* defines for RQ stats */ #define RQ_no_posted_buf q_cnt_1 #define RQ_no_buf_found q_cnt_2 #define RQ_buf_posted q_cnt_3 #define RQ_rcv_buf q_cnt_4 struct work_struct irqwork; struct work_struct spwork; struct delayed_work sched_irqwork; struct delayed_work sched_spwork; uint64_t isr_timestamp; uint16_t hdwq; uint16_t last_cpu; /* most recent cpu */ uint8_t qe_valid; struct lpfc_queue *assoc_qp; void **q_pgs; /* array to index entries per page */ }; struct lpfc_sli4_link { uint32_t speed; uint8_t duplex; uint8_t status; uint8_t type; uint8_t number; uint8_t fault; uint32_t logical_speed; uint16_t topology; }; struct lpfc_fcf_rec { uint8_t fabric_name[8]; uint8_t switch_name[8]; uint8_t mac_addr[6]; uint16_t fcf_indx; uint32_t priority; uint16_t vlan_id; uint32_t addr_mode; uint32_t flag; #define BOOT_ENABLE 0x01 #define RECORD_VALID 0x02 }; struct lpfc_fcf_pri_rec { uint16_t fcf_index; #define LPFC_FCF_ON_PRI_LIST 0x0001 #define LPFC_FCF_FLOGI_FAILED 0x0002 uint16_t flag; uint32_t priority; }; struct lpfc_fcf_pri { struct list_head list; struct lpfc_fcf_pri_rec fcf_rec; }; /* * Maximum FCF table index, it is for driver internal book keeping, it * just needs to be no less than the supported HBA's FCF table size. */ #define LPFC_SLI4_FCF_TBL_INDX_MAX 32 struct lpfc_fcf { uint16_t fcfi; uint32_t fcf_flag; #define FCF_AVAILABLE 0x01 /* FCF available for discovery */ #define FCF_REGISTERED 0x02 /* FCF registered with FW */ #define FCF_SCAN_DONE 0x04 /* FCF table scan done */ #define FCF_IN_USE 0x08 /* Atleast one discovery completed */ #define FCF_INIT_DISC 0x10 /* Initial FCF discovery */ #define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */ #define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */ #define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC) #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */ #define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */ #define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */ #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT) uint16_t fcf_redisc_attempted; uint32_t addr_mode; uint32_t eligible_fcf_cnt; struct lpfc_fcf_rec current_rec; struct lpfc_fcf_rec failover_rec; struct list_head fcf_pri_list; struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX]; uint32_t current_fcf_scan_pri; struct timer_list redisc_wait; unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */ }; #define LPFC_REGION23_SIGNATURE "RG23" #define LPFC_REGION23_VERSION 1 #define LPFC_REGION23_LAST_REC 0xff #define DRIVER_SPECIFIC_TYPE 0xA2 #define LINUX_DRIVER_ID 0x20 #define PORT_STE_TYPE 0x1 struct lpfc_fip_param_hdr { uint8_t type; #define FCOE_PARAM_TYPE 0xA0 uint8_t length; #define FCOE_PARAM_LENGTH 2 uint8_t parm_version; #define FIPP_VERSION 0x01 uint8_t parm_flags; #define lpfc_fip_param_hdr_fipp_mode_SHIFT 6 #define lpfc_fip_param_hdr_fipp_mode_MASK 0x3 #define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags #define FIPP_MODE_ON 0x1 #define FIPP_MODE_OFF 0x0 #define FIPP_VLAN_VALID 0x1 }; struct lpfc_fcoe_params { uint8_t fc_map[3]; uint8_t reserved1; uint16_t vlan_tag; uint8_t reserved[2]; }; struct lpfc_fcf_conn_hdr { uint8_t type; #define FCOE_CONN_TBL_TYPE 0xA1 uint8_t length; /* words */ uint8_t reserved[2]; }; struct lpfc_fcf_conn_rec { uint16_t flags; #define FCFCNCT_VALID 0x0001 #define FCFCNCT_BOOT 0x0002 #define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */ #define FCFCNCT_FBNM_VALID 0x0008 #define FCFCNCT_SWNM_VALID 0x0010 #define FCFCNCT_VLAN_VALID 0x0020 #define FCFCNCT_AM_VALID 0x0040 #define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */ #define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */ uint16_t vlan_tag; uint8_t fabric_name[8]; uint8_t switch_name[8]; }; struct lpfc_fcf_conn_entry { struct list_head list; struct lpfc_fcf_conn_rec conn_rec; }; /* * Define the host's bootstrap mailbox. This structure contains * the member attributes needed to create, use, and destroy the * bootstrap mailbox region. * * The macro definitions for the bmbx data structure are defined * in lpfc_hw4.h with the register definition. */ struct lpfc_bmbx { struct lpfc_dmabuf *dmabuf; struct dma_address dma_address; void *avirt; dma_addr_t aphys; uint32_t bmbx_size; }; #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4 #define LPFC_EQE_SIZE_4B 4 #define LPFC_EQE_SIZE_16B 16 #define LPFC_CQE_SIZE 16 #define LPFC_WQE_SIZE 64 #define LPFC_WQE128_SIZE 128 #define LPFC_MQE_SIZE 256 #define LPFC_RQE_SIZE 8 #define LPFC_EQE_DEF_COUNT 1024 #define LPFC_CQE_DEF_COUNT 1024 #define LPFC_CQE_EXP_COUNT 4096 #define LPFC_WQE_DEF_COUNT 256 #define LPFC_WQE_EXP_COUNT 1024 #define LPFC_MQE_DEF_COUNT 16 #define LPFC_RQE_DEF_COUNT 512 #define LPFC_QUEUE_NOARM false #define LPFC_QUEUE_REARM true /* * SLI4 CT field defines */ #define SLI4_CT_RPI 0 #define SLI4_CT_VPI 1 #define SLI4_CT_VFI 2 #define SLI4_CT_FCFI 3 /* * SLI4 specific data structures */ struct lpfc_max_cfg_param { uint16_t max_xri; uint16_t xri_base; uint16_t xri_used; uint16_t max_rpi; uint16_t rpi_base; uint16_t rpi_used; uint16_t max_vpi; uint16_t vpi_base; uint16_t vpi_used; uint16_t max_vfi; uint16_t vfi_base; uint16_t vfi_used; uint16_t max_fcfi; uint16_t fcfi_used; uint16_t max_eq; uint16_t max_rq; uint16_t max_cq; uint16_t max_wq; }; struct lpfc_hba; /* SLI4 HBA multi-fcp queue handler struct */ #define LPFC_SLI4_HANDLER_NAME_SZ 16 struct lpfc_hba_eq_hdl { uint32_t idx; char handler_name[LPFC_SLI4_HANDLER_NAME_SZ]; struct lpfc_hba *phba; }; /*BB Credit recovery value*/ struct lpfc_bbscn_params { uint32_t word0; #define lpfc_bbscn_min_SHIFT 0 #define lpfc_bbscn_min_MASK 0x0000000F #define lpfc_bbscn_min_WORD word0 #define lpfc_bbscn_max_SHIFT 4 #define lpfc_bbscn_max_MASK 0x0000000F #define lpfc_bbscn_max_WORD word0 #define lpfc_bbscn_def_SHIFT 8 #define lpfc_bbscn_def_MASK 0x0000000F #define lpfc_bbscn_def_WORD word0 }; /* Port Capabilities for SLI4 Parameters */ struct lpfc_pc_sli4_params { uint32_t supported; uint32_t if_type; uint32_t sli_rev; uint32_t sli_family; uint32_t featurelevel_1; uint32_t featurelevel_2; uint32_t proto_types; #define LPFC_SLI4_PROTO_FCOE 0x0000001 #define LPFC_SLI4_PROTO_FC 0x0000002 #define LPFC_SLI4_PROTO_NIC 0x0000004 #define LPFC_SLI4_PROTO_ISCSI 0x0000008 #define LPFC_SLI4_PROTO_RDMA 0x0000010 uint32_t sge_supp_len; uint32_t if_page_sz; uint32_t rq_db_window; uint32_t loopbk_scope; uint32_t oas_supported; uint32_t eq_pages_max; uint32_t eqe_size; uint32_t cq_pages_max; uint32_t cqe_size; uint32_t mq_pages_max; uint32_t mqe_size; uint32_t mq_elem_cnt; uint32_t wq_pages_max; uint32_t wqe_size; uint32_t rq_pages_max; uint32_t rqe_size; uint32_t hdr_pages_max; uint32_t hdr_size; uint32_t hdr_pp_align; uint32_t sgl_pages_max; uint32_t sgl_pp_align; uint8_t cqv; uint8_t mqv; uint8_t wqv; uint8_t rqv; uint8_t eqav; uint8_t cqav; uint8_t wqsize; uint8_t bv1s; #define LPFC_WQ_SZ64_SUPPORT 1 #define LPFC_WQ_SZ128_SUPPORT 2 uint8_t wqpcnt; }; #define LPFC_CQ_4K_PAGE_SZ 0x1 #define LPFC_CQ_16K_PAGE_SZ 0x4 #define LPFC_WQ_4K_PAGE_SZ 0x1 #define LPFC_WQ_16K_PAGE_SZ 0x4 struct lpfc_iov { uint32_t pf_number; uint32_t vf_number; }; struct lpfc_sli4_lnk_info { uint8_t lnk_dv; #define LPFC_LNK_DAT_INVAL 0 #define LPFC_LNK_DAT_VAL 1 uint8_t lnk_tp; #define LPFC_LNK_GE 0x0 /* FCoE */ #define LPFC_LNK_FC 0x1 /* FC */ #define LPFC_LNK_FC_TRUNKED 0x2 /* FC_Trunked */ uint8_t lnk_no; uint8_t optic_state; }; #define LPFC_SLI4_HANDLER_CNT (LPFC_HBA_IO_CHAN_MAX+ \ LPFC_FOF_IO_CHAN_NUM) /* Used for IRQ vector to CPU mapping */ struct lpfc_vector_map_info { uint16_t phys_id; uint16_t core_id; uint16_t irq; uint16_t eq; uint16_t hdwq; uint16_t hyper; }; #define LPFC_VECTOR_MAP_EMPTY 0xffff /* Multi-XRI pool */ #define XRI_BATCH 8 struct lpfc_pbl_pool { struct list_head list; u32 count; spinlock_t lock; /* lock for pbl_pool*/ }; struct lpfc_pvt_pool { u32 low_watermark; u32 high_watermark; struct list_head list; u32 count; spinlock_t lock; /* lock for pvt_pool */ }; struct lpfc_multixri_pool { u32 xri_limit; /* Starting point when searching a pbl_pool with round-robin method */ u32 rrb_next_hwqid; /* Used by lpfc_adjust_pvt_pool_count. * io_req_count is incremented by 1 during IO submission. The heartbeat * handler uses these two variables to determine if pvt_pool is idle or * busy. */ u32 prev_io_req_count; u32 io_req_count; /* statistics */ u32 pbl_empty_count; #ifdef LPFC_MXP_STAT u32 above_limit_count; u32 below_limit_count; u32 local_pbl_hit_count; u32 other_pbl_hit_count; u32 stat_max_hwm; #define LPFC_MXP_SNAPSHOT_TAKEN 3 /* snapshot is taken at 3rd heartbeats */ u32 stat_pbl_count; u32 stat_pvt_count; u32 stat_busy_count; u32 stat_snapshot_taken; #endif /* TODO: Separate pvt_pool into get and put list */ struct lpfc_pbl_pool pbl_pool; /* Public free XRI pool */ struct lpfc_pvt_pool pvt_pool; /* Private free XRI pool */ }; struct lpfc_fc4_ctrl_stat { u32 input_requests; u32 output_requests; u32 control_requests; u32 io_cmpls; }; #ifdef LPFC_HDWQ_LOCK_STAT struct lpfc_lock_stat { uint32_t alloc_xri_get; uint32_t alloc_xri_put; uint32_t free_xri; uint32_t wq_access; uint32_t alloc_pvt_pool; uint32_t mv_from_pvt_pool; uint32_t mv_to_pub_pool; uint32_t mv_to_pvt_pool; uint32_t free_pub_pool; uint32_t free_pvt_pool; }; #endif struct lpfc_eq_intr_info { struct list_head list; uint32_t icnt; }; /* SLI4 HBA data structure entries */ struct lpfc_sli4_hdw_queue { /* Pointers to the constructed SLI4 queues */ struct lpfc_queue *hba_eq; /* Event queues for HBA */ struct lpfc_queue *fcp_cq; /* Fast-path FCP compl queue */ struct lpfc_queue *nvme_cq; /* Fast-path NVME compl queue */ struct lpfc_queue *fcp_wq; /* Fast-path FCP work queue */ struct lpfc_queue *nvme_wq; /* Fast-path NVME work queue */ uint16_t fcp_cq_map; uint16_t nvme_cq_map; /* Keep track of IO buffers for this hardware queue */ spinlock_t io_buf_list_get_lock; /* Common buf alloc list lock */ struct list_head lpfc_io_buf_list_get; spinlock_t io_buf_list_put_lock; /* Common buf free list lock */ struct list_head lpfc_io_buf_list_put; spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */ struct list_head lpfc_abts_scsi_buf_list; spinlock_t abts_nvme_buf_list_lock; /* list of aborted NVME IOs */ struct list_head lpfc_abts_nvme_buf_list; uint32_t total_io_bufs; uint32_t get_io_bufs; uint32_t put_io_bufs; uint32_t empty_io_bufs; uint32_t abts_scsi_io_bufs; uint32_t abts_nvme_io_bufs; /* Multi-XRI pool per HWQ */ struct lpfc_multixri_pool *p_multixri_pool; /* FC-4 Stats counters */ struct lpfc_fc4_ctrl_stat nvme_cstat; struct lpfc_fc4_ctrl_stat scsi_cstat; #ifdef LPFC_HDWQ_LOCK_STAT struct lpfc_lock_stat lock_conflict; #endif #ifdef CONFIG_SCSI_LPFC_DEBUG_FS #define LPFC_CHECK_CPU_CNT 128 uint32_t cpucheck_rcv_io[LPFC_CHECK_CPU_CNT]; uint32_t cpucheck_xmt_io[LPFC_CHECK_CPU_CNT]; uint32_t cpucheck_cmpl_io[LPFC_CHECK_CPU_CNT]; #endif }; #ifdef LPFC_HDWQ_LOCK_STAT /* compile time trylock stats */ #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \ { \ int only_once = 1; \ while (spin_trylock_irqsave(lock, flag) == 0) { \ if (only_once) { \ only_once = 0; \ qp->lock_conflict.lstat++; \ } \ } \ } #define lpfc_qp_spin_lock(lock, qp, lstat) \ { \ int only_once = 1; \ while (spin_trylock(lock) == 0) { \ if (only_once) { \ only_once = 0; \ qp->lock_conflict.lstat++; \ } \ } \ } #else #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \ spin_lock_irqsave(lock, flag) #define lpfc_qp_spin_lock(lock, qp, lstat) spin_lock(lock) #endif struct lpfc_sli4_hba { void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for * config space registers */ void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for * control registers */ void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for * doorbell registers */ void __iomem *dpp_regs_memmap_p; /* Kernel memory mapped address for * dpp registers */ union { struct { /* IF Type 0, BAR 0 PCI cfg space reg mem map */ void __iomem *UERRLOregaddr; void __iomem *UERRHIregaddr; void __iomem *UEMASKLOregaddr; void __iomem *UEMASKHIregaddr; } if_type0; struct { /* IF Type 2, BAR 0 PCI cfg space reg mem map. */ void __iomem *STATUSregaddr; void __iomem *CTRLregaddr; void __iomem *ERR1regaddr; #define SLIPORT_ERR1_REG_ERR_CODE_1 0x1 #define SLIPORT_ERR1_REG_ERR_CODE_2 0x2 void __iomem *ERR2regaddr; #define SLIPORT_ERR2_REG_FW_RESTART 0x0 #define SLIPORT_ERR2_REG_FUNC_PROVISON 0x1 #define SLIPORT_ERR2_REG_FORCED_DUMP 0x2 #define SLIPORT_ERR2_REG_FAILURE_EQ 0x3 #define SLIPORT_ERR2_REG_FAILURE_CQ 0x4 #define SLIPORT_ERR2_REG_FAILURE_BUS 0x5 #define SLIPORT_ERR2_REG_FAILURE_RQ 0x6 void __iomem *EQDregaddr; } if_type2; } u; /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */ void __iomem *PSMPHRregaddr; /* Well-known SLI INTF register memory map. */ void __iomem *SLIINTFregaddr; /* IF type 0, BAR 1 function CSR register memory map */ void __iomem *ISRregaddr; /* HST_ISR register */ void __iomem *IMRregaddr; /* HST_IMR register */ void __iomem *ISCRregaddr; /* HST_ISCR register */ /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */ void __iomem *RQDBregaddr; /* RQ_DOORBELL register */ void __iomem *WQDBregaddr; /* WQ_DOORBELL register */ void __iomem *CQDBregaddr; /* CQ_DOORBELL register */ void __iomem *EQDBregaddr; /* EQ_DOORBELL register */ void __iomem *MQDBregaddr; /* MQ_DOORBELL register */ void __iomem *BMBXregaddr; /* BootStrap MBX register */ uint32_t ue_mask_lo; uint32_t ue_mask_hi; uint32_t ue_to_sr; uint32_t ue_to_rp; struct lpfc_register sli_intf; struct lpfc_pc_sli4_params pc_sli4_params; struct lpfc_bbscn_params bbscn_params; struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */ void (*sli4_eq_clr_intr)(struct lpfc_queue *q); void (*sli4_write_eq_db)(struct lpfc_hba *phba, struct lpfc_queue *eq, uint32_t count, bool arm); void (*sli4_write_cq_db)(struct lpfc_hba *phba, struct lpfc_queue *cq, uint32_t count, bool arm); /* Pointers to the constructed SLI4 queues */ struct lpfc_sli4_hdw_queue *hdwq; struct list_head lpfc_wq_list; /* Pointers to the constructed SLI4 queues for NVMET */ struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */ struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */ struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */ struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */ struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */ struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */ struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */ struct lpfc_queue *els_wq; /* Slow-path ELS work queue */ struct lpfc_queue *nvmels_wq; /* NVME LS work queue */ struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */ struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */ struct lpfc_name wwnn; struct lpfc_name wwpn; uint32_t fw_func_mode; /* FW function protocol mode */ uint32_t ulp0_mode; /* ULP0 protocol mode */ uint32_t ulp1_mode; /* ULP1 protocol mode */ /* Optimized Access Storage specific queues/structures */ uint64_t oas_next_lun; uint8_t oas_next_tgt_wwpn[8]; uint8_t oas_next_vpt_wwpn[8]; /* Setup information for various queue parameters */ int eq_esize; int eq_ecount; int cq_esize; int cq_ecount; int wq_esize; int wq_ecount; int mq_esize; int mq_ecount; int rq_esize; int rq_ecount; #define LPFC_SP_EQ_MAX_INTR_SEC 10000 #define LPFC_FP_EQ_MAX_INTR_SEC 10000 uint32_t intr_enable; struct lpfc_bmbx bmbx; struct lpfc_max_cfg_param max_cfg_param; uint16_t extents_in_use; /* must allocate resource extents. */ uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */ uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */ uint16_t next_rpi; uint16_t io_xri_max; uint16_t io_xri_cnt; uint16_t io_xri_start; uint16_t els_xri_cnt; uint16_t nvmet_xri_cnt; uint16_t nvmet_io_wait_cnt; uint16_t nvmet_io_wait_total; uint16_t cq_max; struct lpfc_queue **cq_lookup; struct list_head lpfc_els_sgl_list; struct list_head lpfc_abts_els_sgl_list; spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */ struct list_head lpfc_abts_scsi_buf_list; struct list_head lpfc_nvmet_sgl_list; spinlock_t abts_nvmet_buf_list_lock; /* list of aborted NVMET IOs */ struct list_head lpfc_abts_nvmet_ctx_list; struct list_head lpfc_nvmet_io_wait_list; struct lpfc_nvmet_ctx_info *nvmet_ctx_info; struct lpfc_sglq **lpfc_sglq_active_list; struct list_head lpfc_rpi_hdr_list; unsigned long *rpi_bmask; uint16_t *rpi_ids; uint16_t rpi_count; struct list_head lpfc_rpi_blk_list; unsigned long *xri_bmask; uint16_t *xri_ids; struct list_head lpfc_xri_blk_list; unsigned long *vfi_bmask; uint16_t *vfi_ids; uint16_t vfi_count; struct list_head lpfc_vfi_blk_list; struct lpfc_sli4_flags sli4_flags; struct list_head sp_queue_event; struct list_head sp_cqe_event_pool; struct list_head sp_asynce_work_queue; struct list_head sp_fcp_xri_aborted_work_queue; struct list_head sp_els_xri_aborted_work_queue; struct list_head sp_unsol_work_queue; struct lpfc_sli4_link link_state; struct lpfc_sli4_lnk_info lnk_info; uint32_t pport_name_sta; #define LPFC_SLI4_PPNAME_NON 0 #define LPFC_SLI4_PPNAME_GET 1 struct lpfc_iov iov; spinlock_t sgl_list_lock; /* list of aborted els IOs */ spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */ uint32_t physical_port; /* CPU to vector mapping information */ struct lpfc_vector_map_info *cpu_map; uint16_t num_possible_cpu; uint16_t num_present_cpu; uint16_t curr_disp_cpu; struct lpfc_eq_intr_info __percpu *eq_info; uint32_t conf_trunk; #define lpfc_conf_trunk_port0_WORD conf_trunk #define lpfc_conf_trunk_port0_SHIFT 0 #define lpfc_conf_trunk_port0_MASK 0x1 #define lpfc_conf_trunk_port1_WORD conf_trunk #define lpfc_conf_trunk_port1_SHIFT 1 #define lpfc_conf_trunk_port1_MASK 0x1 #define lpfc_conf_trunk_port2_WORD conf_trunk #define lpfc_conf_trunk_port2_SHIFT 2 #define lpfc_conf_trunk_port2_MASK 0x1 #define lpfc_conf_trunk_port3_WORD conf_trunk #define lpfc_conf_trunk_port3_SHIFT 3 #define lpfc_conf_trunk_port3_MASK 0x1 #define lpfc_conf_trunk_port0_nd_WORD conf_trunk #define lpfc_conf_trunk_port0_nd_SHIFT 4 #define lpfc_conf_trunk_port0_nd_MASK 0x1 #define lpfc_conf_trunk_port1_nd_WORD conf_trunk #define lpfc_conf_trunk_port1_nd_SHIFT 5 #define lpfc_conf_trunk_port1_nd_MASK 0x1 #define lpfc_conf_trunk_port2_nd_WORD conf_trunk #define lpfc_conf_trunk_port2_nd_SHIFT 6 #define lpfc_conf_trunk_port2_nd_MASK 0x1 #define lpfc_conf_trunk_port3_nd_WORD conf_trunk #define lpfc_conf_trunk_port3_nd_SHIFT 7 #define lpfc_conf_trunk_port3_nd_MASK 0x1 }; enum lpfc_sge_type { GEN_BUFF_TYPE, SCSI_BUFF_TYPE, NVMET_BUFF_TYPE }; enum lpfc_sgl_state { SGL_FREED, SGL_ALLOCATED, SGL_XRI_ABORTED }; struct lpfc_sglq { /* lpfc_sglqs are used in double linked lists */ struct list_head list; struct list_head clist; enum lpfc_sge_type buff_type; /* is this a scsi sgl */ enum lpfc_sgl_state state; struct lpfc_nodelist *ndlp; /* ndlp associated with IO */ uint16_t iotag; /* pre-assigned IO tag */ uint16_t sli4_lxritag; /* logical pre-assigned xri. */ uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */ struct sli4_sge *sgl; /* pre-assigned SGL */ void *virt; /* virtual address. */ dma_addr_t phys; /* physical address */ }; struct lpfc_rpi_hdr { struct list_head list; uint32_t len; struct lpfc_dmabuf *dmabuf; uint32_t page_count; uint32_t start_rpi; uint16_t next_rpi; }; struct lpfc_rsrc_blks { struct list_head list; uint16_t rsrc_start; uint16_t rsrc_size; uint16_t rsrc_used; }; struct lpfc_rdp_context { struct lpfc_nodelist *ndlp; uint16_t ox_id; uint16_t rx_id; READ_LNK_VAR link_stat; uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE]; uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE]; void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int); }; struct lpfc_lcb_context { uint8_t sub_command; uint8_t type; uint8_t capability; uint8_t frequency; uint16_t duration; uint16_t ox_id; uint16_t rx_id; struct lpfc_nodelist *ndlp; }; /* * SLI4 specific function prototypes */ int lpfc_pci_function_reset(struct lpfc_hba *); int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *); int lpfc_sli4_hba_setup(struct lpfc_hba *); int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t, uint8_t, uint32_t, bool); void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *); void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t); void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t, struct lpfc_mbx_sge *); int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *, uint16_t); void lpfc_sli4_hba_reset(struct lpfc_hba *); struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t page_size, uint32_t entry_size, uint32_t entry_count, int cpu); void lpfc_sli4_queue_free(struct lpfc_queue *); int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t); void lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq, uint32_t numq, uint32_t usdelay); int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *, struct lpfc_queue *, uint32_t, uint32_t); int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp, struct lpfc_sli4_hdw_queue *hdwq, uint32_t type, uint32_t subtype); int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *, struct lpfc_queue *, uint32_t); int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *, struct lpfc_queue *, uint32_t); int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *, struct lpfc_queue *, struct lpfc_queue *, uint32_t); int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp, struct lpfc_queue **drqp, struct lpfc_queue **cqp, uint32_t subtype); int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *); int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *); int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *); int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *); int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *, struct lpfc_queue *); int lpfc_sli4_queue_setup(struct lpfc_hba *); void lpfc_sli4_queue_unset(struct lpfc_hba *); int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t); int lpfc_repost_io_sgl_list(struct lpfc_hba *phba); uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *); void lpfc_sli4_free_xri(struct lpfc_hba *, int); int lpfc_sli4_post_async_mbox(struct lpfc_hba *); struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *); struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *); void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *); void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *); int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *); int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *); int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *); struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *); void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *); int lpfc_sli4_alloc_rpi(struct lpfc_hba *); void lpfc_sli4_free_rpi(struct lpfc_hba *, int); void lpfc_sli4_remove_rpis(struct lpfc_hba *); void lpfc_sli4_async_event_proc(struct lpfc_hba *); void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *); int lpfc_sli4_resume_rpi(struct lpfc_nodelist *, void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *); void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *); void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *); void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *, struct sli4_wcqe_xri_aborted *, int); void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba, struct sli4_wcqe_xri_aborted *axri, int idx); void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba, struct sli4_wcqe_xri_aborted *axri); void lpfc_sli4_els_xri_aborted(struct lpfc_hba *, struct sli4_wcqe_xri_aborted *); void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *); void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *); int lpfc_sli4_brdreset(struct lpfc_hba *); int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *); void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *); int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *); int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba); int lpfc_sli4_init_vpi(struct lpfc_vport *); void lpfc_sli4_eq_clr_intr(struct lpfc_queue *); void lpfc_sli4_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q, uint32_t count, bool arm); void lpfc_sli4_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q, uint32_t count, bool arm); void lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue *q); void lpfc_sli4_if6_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q, uint32_t count, bool arm); void lpfc_sli4_if6_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q, uint32_t count, bool arm); void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t); int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t); int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t); int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t); void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *); int lpfc_sli4_unregister_fcf(struct lpfc_hba *); int lpfc_sli4_post_status_check(struct lpfc_hba *); uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *); uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_sli4_ras_dma_free(struct lpfc_hba *phba); static inline void *lpfc_sli4_qe(struct lpfc_queue *q, uint16_t idx) { return q->q_pgs[idx / q->entry_cnt_per_pg] + (q->entry_size * (idx % q->entry_cnt_per_pg)); }
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