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OpenCloudOS-Kernel/drivers/scsi/lpfc/lpfc_sli4.h

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/*******************************************************************
* 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. *
*******************************************************************/
#include <linux/irq_poll.h>
#include <linux/cpufreq.h>
#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 256
#define LPFC_HBA_HDWQ_DEF LPFC_HBA_HDWQ_MIN
/* irq_chann range, values */
#define LPFC_IRQ_CHANN_MIN 0
#define LPFC_IRQ_CHANN_MAX 256
#define LPFC_IRQ_CHANN_DEF LPFC_IRQ_CHANN_MIN
/* FCP MQ queue count limiting */
#define LPFC_FCP_MQ_THRESHOLD_MIN 0
#define LPFC_FCP_MQ_THRESHOLD_MAX 256
#define LPFC_FCP_MQ_THRESHOLD_DEF 8
/*
* 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_IO,
LPFC_ELS,
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 *);
};
enum lpfc_poll_mode {
LPFC_QUEUE_WORK,
LPFC_IRQ_POLL
};
struct lpfc_idle_stat {
u64 prev_idle;
u64 prev_wall;
};
struct lpfc_queue {
struct list_head list;
struct list_head wq_list;
/*
* If interrupts are in effect on _all_ the eq's the footprint
* of polling code is zero (except mode). This memory is chec-
* ked for every io to see if the io needs to be polled and
* while completion to check if the eq's needs to be rearmed.
* Keep in same cacheline as the queue ptr to avoid cpu fetch
* stalls. Using 1B memory will leave us with 7B hole. Fill
* it with other frequently used members.
*/
uint16_t last_cpu; /* most recent cpu */
uint16_t hdwq;
uint8_t qe_valid;
uint8_t mode; /* interrupt or polling */
#define LPFC_EQ_INTERRUPT 0
#define LPFC_EQ_POLL 1
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 */
#define HBA_NVMET_CQ_NOTIFY 0x1 /* LPFC_NVMET_CQ_NOTIFY CQEs this EQE */
#define HBA_EQ_DELAY_CHK 0x2 /* EQ is a candidate for coalescing */
#define LPFC_NVMET_CQ_NOTIFY 4
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;
struct lpfc_queue *assoc_qp;
struct list_head _poll_list;
void **q_pgs; /* array to index entries per page */
#define LPFC_IRQ_POLL_WEIGHT 256
struct irq_poll iop;
enum lpfc_poll_mode poll_mode;
};
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;
uint16_t irq;
char handler_name[LPFC_SLI4_HANDLER_NAME_SZ];
struct lpfc_hba *phba;
struct lpfc_queue *eq;
struct cpumask aff_mask;
};
#define lpfc_get_eq_hdl(eqidx) (&phba->sli4_hba.hba_eq_hdl[eqidx])
#define lpfc_get_aff_mask(eqidx) (&phba->sli4_hba.hba_eq_hdl[eqidx].aff_mask)
#define lpfc_get_irq(eqidx) (phba->sli4_hba.hba_eq_hdl[eqidx].irq)
/*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;
uint32_t mib_size;
uint16_t mi_ver;
#define LPFC_MIB1_SUPPORT 1
#define LPFC_MIB2_SUPPORT 2
#define LPFC_MIB3_SUPPORT 3
uint16_t mi_value;
#define LPFC_DFLT_MIB_VAL 2
uint8_t mib_bde_cnt;
uint8_t cqv;
uint8_t mqv;
uint8_t wqv;
uint8_t rqv;
uint8_t eqav;
uint8_t cqav;
uint8_t wqsize;
uint8_t bv1s;
uint8_t pls;
#define LPFC_WQ_SZ64_SUPPORT 1
#define LPFC_WQ_SZ128_SUPPORT 2
uint8_t wqpcnt;
uint8_t nvme;
};
#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 tracking CPU mapping attributes */
struct lpfc_vector_map_info {
uint16_t phys_id;
uint16_t core_id;
uint16_t eq;
uint16_t hdwq;
uint16_t flag;
#define LPFC_CPU_MAP_HYPER 0x1
#define LPFC_CPU_MAP_UNASSIGN 0x2
#define LPFC_CPU_FIRST_IRQ 0x4
};
#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 *io_cq; /* Fast-path FCP & NVME compl queue */
struct lpfc_queue *io_wq; /* Fast-path FCP & NVME work queue */
uint16_t io_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_io_buf_list_lock; /* list of aborted IOs */
struct list_head lpfc_abts_io_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
/* Per HDWQ pool resources */
struct list_head sgl_list;
struct list_head cmd_rsp_buf_list;
/* Lock for syncing Per HDWQ pool resources */
spinlock_t hdwq_lock;
};
#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
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
struct lpfc_hdwq_stat {
u32 hdwq_no;
u32 rcv_io;
u32 xmt_io;
u32 cmpl_io;
};
#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_io_buf_list_lock; /* list of aborted SCSI IOs */
struct list_head lpfc_abts_io_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;
spinlock_t t_active_list_lock; /* list of active NVMET IOs */
struct list_head t_active_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;
spinlock_t asynce_list_lock; /* protect sp_asynce_work_queue list */
struct list_head sp_els_xri_aborted_work_queue;
spinlock_t els_xri_abrt_list_lock; /* protect els_xri_aborted list */
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;
struct cpumask irq_aff_mask;
uint16_t curr_disp_cpu;
struct lpfc_eq_intr_info __percpu *eq_info;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
struct lpfc_hdwq_stat __percpu *c_stat;
#endif
struct lpfc_idle_stat *idle_stat;
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_els_xri_abort_event_proc(struct lpfc_hba *phba);
void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
struct sli4_wcqe_xri_aborted *axri,
struct lpfc_io_buf *lpfc_ncmd);
void lpfc_sli4_io_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);
struct sli4_hybrid_sgl *lpfc_get_sgl_per_hdwq(struct lpfc_hba *phba,
struct lpfc_io_buf *buf);
struct fcp_cmd_rsp_buf *lpfc_get_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
struct lpfc_io_buf *buf);
int lpfc_put_sgl_per_hdwq(struct lpfc_hba *phba, struct lpfc_io_buf *buf);
int lpfc_put_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
struct lpfc_io_buf *buf);
void lpfc_free_sgl_per_hdwq(struct lpfc_hba *phba,
struct lpfc_sli4_hdw_queue *hdwq);
void lpfc_free_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
struct lpfc_sli4_hdw_queue *hdwq);
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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