/* 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 #include #include #include #include #include #include #include #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 "1.8.0.0" #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_ */