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linux/drivers/scsi/fnic/fnic.h
Karan Tilak Kumar 74f46a0524 scsi: fnic: Turn off FDMI ACTIVE flags on link down 
When the link goes down and comes up, FDMI requests are not sent out
anymore.

Fix bug by turning off FNIC_FDMI_ACTIVE when the link goes down.

Fixes: 09c1e6ab4a ("scsi: fnic: Add and integrate support for FDMI")
Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com>
Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com>
Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com>
Reviewed-by: Arun Easi <aeasi@cisco.com>
Tested-by: Karan Tilak Kumar <kartilak@cisco.com>
Cc: stable@vger.kernel.org
Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com>
Link: https://lore.kernel.org/r/20250618003431.6314-2-kartilak@cisco.com
Reviewed-by: John Meneghini <jmeneghi@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-06-19 23:06:27 -04:00

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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2008 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
*/
#ifndef _FNIC_H_
#define _FNIC_H_
#include <linux/interrupt.h>
#include <linux/netdevice.h>
#include <linux/workqueue.h>
#include <linux/bitops.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_fc.h>
#include <scsi/fc_frame.h>
#include "fnic_io.h"
#include "fnic_res.h"
#include "fnic_trace.h"
#include "fnic_stats.h"
#include "vnic_dev.h"
#include "vnic_wq.h"
#include "vnic_rq.h"
#include "vnic_cq.h"
#include "vnic_wq_copy.h"
#include "vnic_intr.h"
#include "vnic_stats.h"
#include "vnic_scsi.h"
#include "fnic_fdls.h"
#define DRV_NAME "fnic"
#define DRV_DESCRIPTION "Cisco FCoE HBA Driver"
#define DRV_VERSION "1.8.0.2"
#define PFX DRV_NAME ": "
#define DFX DRV_NAME "%d: "
#define FABRIC_LOGO_MAX_RETRY 3
#define DESC_CLEAN_LOW_WATERMARK 8
#define FNIC_UCSM_DFLT_THROTTLE_CNT_BLD 16 /* UCSM default throttle count */
#define FNIC_MIN_IO_REQ 256 /* Min IO throttle count */
#define FNIC_MAX_IO_REQ 1024 /* scsi_cmnd tag map entries */
#define FNIC_DFLT_IO_REQ 256 /* Default scsi_cmnd tag map entries */
#define FNIC_DFLT_QUEUE_DEPTH 256
#define FNIC_STATS_RATE_LIMIT 4 /* limit rate at which stats are pulled up */
#define LUN0_DELAY_TIME 9
/*
* Tag bits used for special requests.
*/
#define FNIC_TAG_ABORT BIT(30) /* tag bit indicating abort */
#define FNIC_TAG_DEV_RST BIT(29) /* indicates device reset */
#define FNIC_TAG_MASK (BIT(24) - 1) /* mask for lookup */
#define FNIC_NO_TAG -1
/*
* Command flags to identify the type of command and for other future
* use.
*/
#define FNIC_NO_FLAGS 0
#define FNIC_IO_INITIALIZED BIT(0)
#define FNIC_IO_ISSUED BIT(1)
#define FNIC_IO_DONE BIT(2)
#define FNIC_IO_REQ_NULL BIT(3)
#define FNIC_IO_ABTS_PENDING BIT(4)
#define FNIC_IO_ABORTED BIT(5)
#define FNIC_IO_ABTS_ISSUED BIT(6)
#define FNIC_IO_TERM_ISSUED BIT(7)
#define FNIC_IO_INTERNAL_TERM_ISSUED BIT(8)
#define FNIC_IO_ABT_TERM_DONE BIT(9)
#define FNIC_IO_ABT_TERM_REQ_NULL BIT(10)
#define FNIC_IO_ABT_TERM_TIMED_OUT BIT(11)
#define FNIC_DEVICE_RESET BIT(12) /* Device reset request */
#define FNIC_DEV_RST_ISSUED BIT(13)
#define FNIC_DEV_RST_TIMED_OUT BIT(14)
#define FNIC_DEV_RST_ABTS_ISSUED BIT(15)
#define FNIC_DEV_RST_TERM_ISSUED BIT(16)
#define FNIC_DEV_RST_DONE BIT(17)
#define FNIC_DEV_RST_REQ_NULL BIT(18)
#define FNIC_DEV_RST_ABTS_DONE BIT(19)
#define FNIC_DEV_RST_TERM_DONE BIT(20)
#define FNIC_DEV_RST_ABTS_PENDING BIT(21)
#define FNIC_FW_RESET_TIMEOUT 60000 /* mSec */
#define FNIC_FCOE_MAX_CMD_LEN 16
/* Retry supported by rport (returned by PRLI service parameters) */
#define FNIC_FC_RP_FLAGS_RETRY 0x1
/* Cisco vendor id */
#define PCI_VENDOR_ID_CISCO 0x1137
#define PCI_DEVICE_ID_CISCO_VIC_FC 0x0045 /* fc vnic */
/* sereno pcie switch */
#define PCI_DEVICE_ID_CISCO_SERENO 0x004e
#define PCI_DEVICE_ID_CISCO_CRUZ 0x007a /* Cruz */
#define PCI_DEVICE_ID_CISCO_BODEGA 0x0131 /* Bodega */
#define PCI_DEVICE_ID_CISCO_BEVERLY 0x025f /* Beverly */
/* Sereno */
#define PCI_SUBDEVICE_ID_CISCO_VASONA 0x004f /* vasona mezz */
#define PCI_SUBDEVICE_ID_CISCO_COTATI 0x0084 /* cotati mlom */
#define PCI_SUBDEVICE_ID_CISCO_LEXINGTON 0x0085 /* lexington pcie */
#define PCI_SUBDEVICE_ID_CISCO_ICEHOUSE 0x00cd /* Icehouse */
#define PCI_SUBDEVICE_ID_CISCO_KIRKWOODLAKE 0x00ce /* KirkwoodLake pcie */
#define PCI_SUBDEVICE_ID_CISCO_SUSANVILLE 0x012e /* Susanville MLOM */
#define PCI_SUBDEVICE_ID_CISCO_TORRANCE 0x0139 /* Torrance MLOM */
/* Cruz */
#define PCI_SUBDEVICE_ID_CISCO_CALISTOGA 0x012c /* Calistoga MLOM */
#define PCI_SUBDEVICE_ID_CISCO_MOUNTAINVIEW 0x0137 /* Cruz Mezz */
/* Cruz MountTian SIOC */
#define PCI_SUBDEVICE_ID_CISCO_MOUNTTIAN 0x014b
#define PCI_SUBDEVICE_ID_CISCO_CLEARLAKE 0x014d /* ClearLake pcie */
/* Cruz MountTian2 SIOC */
#define PCI_SUBDEVICE_ID_CISCO_MOUNTTIAN2 0x0157
#define PCI_SUBDEVICE_ID_CISCO_CLAREMONT 0x015d /* Claremont MLOM */
/* Bodega */
/* VIC 1457 PCIe mLOM */
#define PCI_SUBDEVICE_ID_CISCO_BRADBURY 0x0218
#define PCI_SUBDEVICE_ID_CISCO_BRENTWOOD 0x0217 /* VIC 1455 PCIe */
/* VIC 1487 PCIe mLOM */
#define PCI_SUBDEVICE_ID_CISCO_BURLINGAME 0x021a
#define PCI_SUBDEVICE_ID_CISCO_BAYSIDE 0x0219 /* VIC 1485 PCIe */
/* VIC 1440 Mezz mLOM */
#define PCI_SUBDEVICE_ID_CISCO_BAKERSFIELD 0x0215
#define PCI_SUBDEVICE_ID_CISCO_BOONVILLE 0x0216 /* VIC 1480 Mezz */
#define PCI_SUBDEVICE_ID_CISCO_BENICIA 0x024a /* VIC 1495 */
#define PCI_SUBDEVICE_ID_CISCO_BEAUMONT 0x024b /* VIC 1497 */
#define PCI_SUBDEVICE_ID_CISCO_BRISBANE 0x02af /* VIC 1467 */
#define PCI_SUBDEVICE_ID_CISCO_BENTON 0x02b0 /* VIC 1477 */
#define PCI_SUBDEVICE_ID_CISCO_TWIN_RIVER 0x02cf /* VIC 14425 */
#define PCI_SUBDEVICE_ID_CISCO_TWIN_PEAK 0x02d0 /* VIC 14825 */
/* Beverly */
#define PCI_SUBDEVICE_ID_CISCO_BERN 0x02de /* VIC 15420 */
#define PCI_SUBDEVICE_ID_CISCO_STOCKHOLM 0x02dd /* VIC 15428 */
#define PCI_SUBDEVICE_ID_CISCO_KRAKOW 0x02dc /* VIC 15411 */
#define PCI_SUBDEVICE_ID_CISCO_LUCERNE 0x02db /* VIC 15231 */
#define PCI_SUBDEVICE_ID_CISCO_TURKU 0x02e8 /* VIC 15238 */
#define PCI_SUBDEVICE_ID_CISCO_TURKU_PLUS 0x02f3 /* VIC 15237 */
#define PCI_SUBDEVICE_ID_CISCO_ZURICH 0x02df /* VIC 15230 */
#define PCI_SUBDEVICE_ID_CISCO_RIGA 0x02e0 /* VIC 15427 */
#define PCI_SUBDEVICE_ID_CISCO_GENEVA 0x02e1 /* VIC 15422 */
#define PCI_SUBDEVICE_ID_CISCO_HELSINKI 0x02e4 /* VIC 15235 */
#define PCI_SUBDEVICE_ID_CISCO_GOTHENBURG 0x02f2 /* VIC 15425 */
struct fnic_pcie_device {
u32 device;
u8 *desc;
u32 subsystem_device;
u8 *subsys_desc;
};
/*
* fnic private data per SCSI command.
* These fields are locked by the hashed io_req_lock.
*/
struct fnic_cmd_priv {
struct fnic_io_req *io_req;
enum fnic_ioreq_state state;
u32 flags;
u16 abts_status;
u16 lr_status;
};
static inline struct fnic_cmd_priv *fnic_priv(struct scsi_cmnd *cmd)
{
return scsi_cmd_priv(cmd);
}
static inline u64 fnic_flags_and_state(struct scsi_cmnd *cmd)
{
struct fnic_cmd_priv *fcmd = fnic_priv(cmd);
return ((u64)fcmd->flags << 32) | fcmd->state;
}
#define FCPIO_INVALID_CODE 0x100 /* hdr_status value unused by firmware */
#define FNIC_LUN_RESET_TIMEOUT 10000 /* mSec */
#define FNIC_HOST_RESET_TIMEOUT 10000 /* mSec */
#define FNIC_RMDEVICE_TIMEOUT 1000 /* mSec */
#define FNIC_HOST_RESET_SETTLE_TIME 30 /* Sec */
#define FNIC_ABT_TERM_DELAY_TIMEOUT 500 /* mSec */
#define FNIC_MAX_FCP_TARGET 256
#define FNIC_PCI_OFFSET 2
/**
* state_flags to identify host state along along with fnic's state
**/
#define __FNIC_FLAGS_FWRESET BIT(0) /* fwreset in progress */
#define __FNIC_FLAGS_BLOCK_IO BIT(1) /* IOs are blocked */
#define FNIC_FLAGS_NONE (0)
#define FNIC_FLAGS_FWRESET (__FNIC_FLAGS_FWRESET | \
__FNIC_FLAGS_BLOCK_IO)
#define FNIC_FLAGS_IO_BLOCKED (__FNIC_FLAGS_BLOCK_IO)
#define fnic_set_state_flags(fnicp, st_flags) \
__fnic_set_state_flags(fnicp, st_flags, 0)
#define fnic_clear_state_flags(fnicp, st_flags) \
__fnic_set_state_flags(fnicp, st_flags, 1)
enum reset_states {
NOT_IN_PROGRESS = 0,
IN_PROGRESS,
RESET_ERROR
};
enum rscn_type {
NOT_PC_RSCN = 0,
PC_RSCN
};
enum pc_rscn_handling_status {
PC_RSCN_HANDLING_NOT_IN_PROGRESS = 0,
PC_RSCN_HANDLING_IN_PROGRESS
};
enum pc_rscn_handling_feature {
PC_RSCN_HANDLING_FEATURE_OFF = 0,
PC_RSCN_HANDLING_FEATURE_ON
};
extern unsigned int fnic_fdmi_support;
extern unsigned int fnic_log_level;
extern unsigned int io_completions;
extern struct workqueue_struct *fnic_event_queue;
extern unsigned int pc_rscn_handling_feature_flag;
extern spinlock_t reset_fnic_list_lock;
extern struct list_head reset_fnic_list;
extern struct workqueue_struct *reset_fnic_work_queue;
extern struct work_struct reset_fnic_work;
#define FNIC_MAIN_LOGGING 0x01
#define FNIC_FCS_LOGGING 0x02
#define FNIC_SCSI_LOGGING 0x04
#define FNIC_ISR_LOGGING 0x08
#define FNIC_CHECK_LOGGING(LEVEL, CMD) \
do { \
if (unlikely(fnic_log_level & LEVEL)) \
do { \
CMD; \
} while (0); \
} while (0)
#define FNIC_MAIN_DBG(kern_level, host, fnic_num, fmt, args...) \
FNIC_CHECK_LOGGING(FNIC_MAIN_LOGGING, \
shost_printk(kern_level, host, \
"fnic<%d>: %s: %d: " fmt, fnic_num,\
__func__, __LINE__, ##args);)
#define FNIC_FCS_DBG(kern_level, host, fnic_num, fmt, args...) \
FNIC_CHECK_LOGGING(FNIC_FCS_LOGGING, \
shost_printk(kern_level, host, \
"fnic<%d>: %s: %d: " fmt, fnic_num,\
__func__, __LINE__, ##args);)
#define FNIC_FIP_DBG(kern_level, host, fnic_num, fmt, args...) \
FNIC_CHECK_LOGGING(FNIC_FCS_LOGGING, \
shost_printk(kern_level, host, \
"fnic<%d>: %s: %d: " fmt, fnic_num,\
__func__, __LINE__, ##args);)
#define FNIC_SCSI_DBG(kern_level, host, fnic_num, fmt, args...) \
FNIC_CHECK_LOGGING(FNIC_SCSI_LOGGING, \
shost_printk(kern_level, host, \
"fnic<%d>: %s: %d: " fmt, fnic_num,\
__func__, __LINE__, ##args);)
#define FNIC_ISR_DBG(kern_level, host, fnic_num, fmt, args...) \
FNIC_CHECK_LOGGING(FNIC_ISR_LOGGING, \
shost_printk(kern_level, host, \
"fnic<%d>: %s: %d: " fmt, fnic_num,\
__func__, __LINE__, ##args);)
#define FNIC_MAIN_NOTE(kern_level, host, fmt, args...) \
shost_printk(kern_level, host, fmt, ##args)
#define FNIC_WQ_COPY_MAX 64
#define FNIC_WQ_MAX 1
#define FNIC_RQ_MAX 1
#define FNIC_CQ_MAX (FNIC_WQ_COPY_MAX + FNIC_WQ_MAX + FNIC_RQ_MAX)
#define FNIC_DFLT_IO_COMPLETIONS 256
#define FNIC_MQ_CQ_INDEX 2
extern const char *fnic_state_str[];
enum fnic_intx_intr_index {
FNIC_INTX_WQ_RQ_COPYWQ,
FNIC_INTX_DUMMY,
FNIC_INTX_NOTIFY,
FNIC_INTX_ERR,
FNIC_INTX_INTR_MAX,
};
enum fnic_msix_intr_index {
FNIC_MSIX_RQ,
FNIC_MSIX_WQ,
FNIC_MSIX_WQ_COPY,
FNIC_MSIX_ERR_NOTIFY = FNIC_MSIX_WQ_COPY + FNIC_WQ_COPY_MAX,
FNIC_MSIX_INTR_MAX,
};
struct fnic_msix_entry {
int requested;
char devname[IFNAMSIZ + 11];
irqreturn_t (*isr)(int, void *);
void *devid;
int irq_num;
};
enum fnic_state {
FNIC_IN_FC_MODE = 0,
FNIC_IN_FC_TRANS_ETH_MODE,
FNIC_IN_ETH_MODE,
FNIC_IN_ETH_TRANS_FC_MODE,
};
struct mempool;
enum fnic_role_e {
FNIC_ROLE_FCP_INITIATOR = 0,
};
enum fnic_evt {
FNIC_EVT_START_VLAN_DISC = 1,
FNIC_EVT_START_FCF_DISC = 2,
FNIC_EVT_MAX,
};
struct fnic_frame_list {
/*
* Link to frame lists
*/
struct list_head links;
void *fp;
int frame_len;
int rx_ethhdr_stripped;
};
struct fnic_event {
struct list_head list;
struct fnic *fnic;
enum fnic_evt event;
};
struct fnic_cpy_wq {
unsigned long hw_lock_flags;
u16 active_ioreq_count;
u16 ioreq_table_size;
____cacheline_aligned struct fnic_io_req **io_req_table;
};
/* Per-instance private data structure */
struct fnic {
int fnic_num;
enum fnic_role_e role;
struct fnic_iport_s iport;
struct Scsi_Host *host;
struct vnic_dev_bar bar0;
struct fnic_msix_entry msix[FNIC_MSIX_INTR_MAX];
struct vnic_stats *stats;
unsigned long stats_time; /* time of stats update */
unsigned long stats_reset_time; /* time of stats reset */
struct vnic_nic_cfg *nic_cfg;
char name[IFNAMSIZ];
struct timer_list notify_timer; /* used for MSI interrupts */
unsigned int fnic_max_tag_id;
unsigned int err_intr_offset;
unsigned int link_intr_offset;
unsigned int wq_count;
unsigned int cq_count;
struct completion reset_completion_wait;
struct mutex sgreset_mutex;
spinlock_t sgreset_lock; /* lock for sgreset */
struct scsi_cmnd *sgreset_sc;
struct dentry *fnic_stats_debugfs_host;
struct dentry *fnic_stats_debugfs_file;
struct dentry *fnic_reset_debugfs_file;
unsigned int reset_stats;
atomic64_t io_cmpl_skip;
struct fnic_stats fnic_stats;
u32 vlan_hw_insert:1; /* let hw insert the tag */
u32 in_remove:1; /* fnic device in removal */
u32 stop_rx_link_events:1; /* stop proc. rx frames, link events */
struct completion *fw_reset_done;
u32 reset_in_progress;
atomic_t in_flight; /* io counter */
bool internal_reset_inprogress;
u32 _reserved; /* fill hole */
unsigned long state_flags; /* protected by host lock */
enum fnic_state state;
spinlock_t fnic_lock;
unsigned long lock_flags;
u16 vlan_id; /* VLAN tag including priority */
u8 data_src_addr[ETH_ALEN];
u64 fcp_input_bytes; /* internal statistic */
u64 fcp_output_bytes; /* internal statistic */
u32 link_down_cnt;
u32 soft_reset_count;
int link_status;
struct list_head list;
struct list_head links;
struct pci_dev *pdev;
struct vnic_fc_config config;
struct vnic_dev *vdev;
unsigned int raw_wq_count;
unsigned int wq_copy_count;
unsigned int rq_count;
int fw_ack_index[FNIC_WQ_COPY_MAX];
unsigned short fw_ack_recd[FNIC_WQ_COPY_MAX];
unsigned short wq_copy_desc_low[FNIC_WQ_COPY_MAX];
unsigned int intr_count;
u32 __iomem *legacy_pba;
struct fnic_host_tag *tags;
mempool_t *io_req_pool;
mempool_t *io_sgl_pool[FNIC_SGL_NUM_CACHES];
unsigned int copy_wq_base;
struct work_struct link_work;
struct work_struct frame_work;
struct work_struct flush_work;
struct list_head frame_queue;
struct list_head tx_queue;
mempool_t *frame_pool;
mempool_t *frame_elem_pool;
struct work_struct tport_work;
struct list_head tport_event_list;
char subsys_desc[14];
int subsys_desc_len;
int pc_rscn_handling_status;
/*** FIP related data members -- start ***/
void (*set_vlan)(struct fnic *, u16 vlan);
struct work_struct fip_frame_work;
struct work_struct fip_timer_work;
struct list_head fip_frame_queue;
struct timer_list fip_timer;
spinlock_t vlans_lock;
struct timer_list retry_fip_timer;
struct timer_list fcs_ka_timer;
struct timer_list enode_ka_timer;
struct timer_list vn_ka_timer;
struct list_head vlan_list;
/*** FIP related data members -- end ***/
/* copy work queue cache line section */
____cacheline_aligned struct vnic_wq_copy hw_copy_wq[FNIC_WQ_COPY_MAX];
____cacheline_aligned struct fnic_cpy_wq sw_copy_wq[FNIC_WQ_COPY_MAX];
/* completion queue cache line section */
____cacheline_aligned struct vnic_cq cq[FNIC_CQ_MAX];
spinlock_t wq_copy_lock[FNIC_WQ_COPY_MAX];
/* work queue cache line section */
____cacheline_aligned struct vnic_wq wq[FNIC_WQ_MAX];
spinlock_t wq_lock[FNIC_WQ_MAX];
/* receive queue cache line section */
____cacheline_aligned struct vnic_rq rq[FNIC_RQ_MAX];
/* interrupt resource cache line section */
____cacheline_aligned struct vnic_intr intr[FNIC_MSIX_INTR_MAX];
};
extern struct workqueue_struct *fnic_event_queue;
extern struct workqueue_struct *fnic_fip_queue;
extern const struct attribute_group *fnic_host_groups[];
void fnic_clear_intr_mode(struct fnic *fnic);
int fnic_set_intr_mode(struct fnic *fnic);
int fnic_set_intr_mode_msix(struct fnic *fnic);
void fnic_free_intr(struct fnic *fnic);
int fnic_request_intr(struct fnic *fnic);
void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf);
void fnic_handle_frame(struct work_struct *work);
void fnic_tport_event_handler(struct work_struct *work);
void fnic_handle_link(struct work_struct *work);
void fnic_handle_event(struct work_struct *work);
void fdls_reclaim_oxid_handler(struct work_struct *work);
void fdls_schedule_oxid_free(struct fnic_iport_s *iport, uint16_t *active_oxid);
void fdls_schedule_oxid_free_retry_work(struct work_struct *work);
int fnic_rq_cmpl_handler(struct fnic *fnic, int);
int fnic_alloc_rq_frame(struct vnic_rq *rq);
void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf);
void fnic_flush_tx(struct work_struct *work);
void fnic_update_mac_locked(struct fnic *, u8 *new);
int fnic_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
int fnic_abort_cmd(struct scsi_cmnd *);
int fnic_device_reset(struct scsi_cmnd *);
int fnic_eh_host_reset_handler(struct scsi_cmnd *sc);
int fnic_host_reset(struct Scsi_Host *shost);
void fnic_reset(struct Scsi_Host *shost);
int fnic_issue_fc_host_lip(struct Scsi_Host *shost);
void fnic_get_host_port_state(struct Scsi_Host *shost);
void fnic_scsi_fcpio_reset(struct fnic *fnic);
int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int copy_work_to_do, unsigned int cq_index);
int fnic_wq_cmpl_handler(struct fnic *fnic, int);
int fnic_flogi_reg_handler(struct fnic *fnic, u32);
void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq,
struct fcpio_host_req *desc);
int fnic_fw_reset_handler(struct fnic *fnic);
void fnic_terminate_rport_io(struct fc_rport *);
const char *fnic_state_to_str(unsigned int state);
void fnic_mq_map_queues_cpus(struct Scsi_Host *host);
void fnic_log_q_error(struct fnic *fnic);
void fnic_handle_link_event(struct fnic *fnic);
int fnic_stats_debugfs_init(struct fnic *fnic);
void fnic_stats_debugfs_remove(struct fnic *fnic);
int fnic_is_abts_pending(struct fnic *, struct scsi_cmnd *);
void fnic_handle_fip_frame(struct work_struct *work);
void fnic_reset_work_handler(struct work_struct *work);
void fnic_handle_fip_event(struct fnic *fnic);
void fnic_fcoe_reset_vlans(struct fnic *fnic);
extern void fnic_handle_fip_timer(struct timer_list *t);
static inline int
fnic_chk_state_flags_locked(struct fnic *fnic, unsigned long st_flags)
{
return ((fnic->state_flags & st_flags) == st_flags);
}
void __fnic_set_state_flags(struct fnic *, unsigned long, unsigned long);
void fnic_dump_fchost_stats(struct Scsi_Host *, struct fc_host_statistics *);
void fnic_free_txq(struct list_head *head);
int fnic_get_desc_by_devid(struct pci_dev *pdev, char **desc,
char **subsys_desc);
void fnic_fdls_link_status_change(struct fnic *fnic, int linkup);
void fnic_delete_fcp_tports(struct fnic *fnic);
void fnic_flush_tport_event_list(struct fnic *fnic);
int fnic_count_ioreqs_wq(struct fnic *fnic, u32 hwq, u32 portid);
unsigned int fnic_count_ioreqs(struct fnic *fnic, u32 portid);
unsigned int fnic_count_all_ioreqs(struct fnic *fnic);
unsigned int fnic_count_lun_ioreqs_wq(struct fnic *fnic, u32 hwq,
struct scsi_device *device);
unsigned int fnic_count_lun_ioreqs(struct fnic *fnic,
struct scsi_device *device);
void fnic_scsi_unload(struct fnic *fnic);
void fnic_scsi_unload_cleanup(struct fnic *fnic);
int fnic_get_debug_info(struct stats_debug_info *info,
struct fnic *fnic);
struct fnic_scsi_iter_data {
struct fnic *fnic;
void *data1;
void *data2;
bool (*fn)(struct fnic *fnic, struct scsi_cmnd *sc,
void *data1, void *data2);
};
static inline bool
fnic_io_iter_handler(struct scsi_cmnd *sc, void *iter_data)
{
struct fnic_scsi_iter_data *iter = iter_data;
return iter->fn(iter->fnic, sc, iter->data1, iter->data2);
}
static inline void
fnic_scsi_io_iter(struct fnic *fnic,
bool (*fn)(struct fnic *fnic, struct scsi_cmnd *sc,
void *data1, void *data2),
void *data1, void *data2)
{
struct fnic_scsi_iter_data iter_data = {
.fn = fn,
.fnic = fnic,
.data1 = data1,
.data2 = data2,
};
scsi_host_busy_iter(fnic->host, fnic_io_iter_handler, &iter_data);
}
#ifdef FNIC_DEBUG
static inline void
fnic_debug_dump(struct fnic *fnic, uint8_t *u8arr, int len)
{
int i;
for (i = 0; i < len; i = i+8) {
FNIC_FCS_DBG(KERN_DEBUG, fnic->host, fnic->fnic_num,
"%d: %02x %02x %02x %02x %02x %02x %02x %02x", i / 8,
u8arr[i + 0], u8arr[i + 1], u8arr[i + 2], u8arr[i + 3],
u8arr[i + 4], u8arr[i + 5], u8arr[i + 6], u8arr[i + 7]);
}
}
static inline void
fnic_debug_dump_fc_frame(struct fnic *fnic, struct fc_frame_header *fchdr,
int len, char *pfx)
{
uint32_t s_id, d_id;
s_id = ntoh24(fchdr->fh_s_id);
d_id = ntoh24(fchdr->fh_d_id);
FNIC_FCS_DBG(KERN_DEBUG, fnic->host, fnic->fnic_num,
"%s packet contents: sid/did/type/oxid = 0x%x/0x%x/0x%x/0x%x (len = %d)\n",
pfx, s_id, d_id, fchdr->fh_type,
FNIC_STD_GET_OX_ID(fchdr), len);
fnic_debug_dump(fnic, (uint8_t *)fchdr, len);
}
#else /* FNIC_DEBUG */
static inline void
fnic_debug_dump(struct fnic *fnic, uint8_t *u8arr, int len) {}
static inline void
fnic_debug_dump_fc_frame(struct fnic *fnic, struct fc_frame_header *fchdr,
uint32_t len, char *pfx) {}
#endif /* FNIC_DEBUG */
#endif /* _FNIC_H_ */
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