Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * QLogic FCoE Offload Driver
4 * Copyright (c) 2016-2018 Cavium Inc.
5 */
6#ifndef _QEDFC_H_
7#define _QEDFC_H_
8
9#include <scsi/libfcoe.h>
10#include <scsi/libfc.h>
11#include <scsi/fc/fc_fip.h>
12#include <scsi/fc/fc_fc2.h>
13#include <scsi/scsi_tcq.h>
14
15/* qedf_hsi.h needs to before included any qed includes */
16#include "qedf_hsi.h"
17
18#include <linux/qed/qed_if.h>
19#include <linux/qed/qed_fcoe_if.h>
20#include <linux/qed/qed_ll2_if.h>
21#include "qedf_version.h"
22#include "qedf_dbg.h"
23#include "drv_fcoe_fw_funcs.h"
24
25/* Helpers to extract upper and lower 32-bits of pointer */
26#define U64_HI(val) ((u32)(((u64)(val)) >> 32))
27#define U64_LO(val) ((u32)(((u64)(val)) & 0xffffffff))
28
29#define QEDF_DESCR "QLogic FCoE Offload Driver"
30#define QEDF_MODULE_NAME "qedf"
31
32#define QEDF_FLOGI_RETRY_CNT 3
33#define QEDF_RPORT_RETRY_CNT 255
34#define QEDF_MAX_SESSIONS 1024
35#define QEDF_MAX_PAYLOAD 2048
36#define QEDF_MAX_BDS_PER_CMD 256
37#define QEDF_MAX_BD_LEN 0xffff
38#define QEDF_BD_SPLIT_SZ 0x1000
39#define QEDF_PAGE_SIZE 4096
40#define QED_HW_DMA_BOUNDARY 0xfff
41#define QEDF_MAX_SGLEN_FOR_CACHESGL ((1U << 16) - 1)
42#define QEDF_MFS (QEDF_MAX_PAYLOAD + \
43 sizeof(struct fc_frame_header))
44#define QEDF_MAX_NPIV 64
45#define QEDF_TM_TIMEOUT 10
46#define QEDF_ABORT_TIMEOUT (10 * 1000)
47#define QEDF_CLEANUP_TIMEOUT 1
48#define QEDF_MAX_CDB_LEN 16
49#define QEDF_LL2_BUF_SIZE 2500 /* Buffer size required for LL2 Rx */
50
51#define UPSTREAM_REMOVE 1
52#define UPSTREAM_KEEP 1
53
54struct qedf_mp_req {
55 uint32_t req_len;
56 void *req_buf;
57 dma_addr_t req_buf_dma;
58 struct scsi_sge *mp_req_bd;
59 dma_addr_t mp_req_bd_dma;
60 struct fc_frame_header req_fc_hdr;
61
62 uint32_t resp_len;
63 void *resp_buf;
64 dma_addr_t resp_buf_dma;
65 struct scsi_sge *mp_resp_bd;
66 dma_addr_t mp_resp_bd_dma;
67 struct fc_frame_header resp_fc_hdr;
68};
69
70struct qedf_els_cb_arg {
71 struct qedf_ioreq *aborted_io_req;
72 struct qedf_ioreq *io_req;
73 u8 op; /* Used to keep track of ELS op */
74 uint16_t l2_oxid;
75 u32 offset; /* Used for sequence cleanup */
76 u8 r_ctl; /* Used for sequence cleanup */
77};
78
79enum qedf_ioreq_event {
80 QEDF_IOREQ_EV_NONE,
81 QEDF_IOREQ_EV_ABORT_SUCCESS,
82 QEDF_IOREQ_EV_ABORT_FAILED,
83 QEDF_IOREQ_EV_SEND_RRQ,
84 QEDF_IOREQ_EV_ELS_TMO,
85 QEDF_IOREQ_EV_ELS_ERR_DETECT,
86 QEDF_IOREQ_EV_ELS_FLUSH,
87 QEDF_IOREQ_EV_CLEANUP_SUCCESS,
88 QEDF_IOREQ_EV_CLEANUP_FAILED,
89};
90
91#define FC_GOOD 0
92#define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER (0x1<<2)
93#define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER (0x1<<3)
94#define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID (0x1<<0)
95#define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID (0x1<<1)
96struct qedf_ioreq {
97 struct list_head link;
98 uint16_t xid;
99 struct scsi_cmnd *sc_cmd;
100#define QEDF_SCSI_CMD 1
101#define QEDF_TASK_MGMT_CMD 2
102#define QEDF_ABTS 3
103#define QEDF_ELS 4
104#define QEDF_CLEANUP 5
105#define QEDF_SEQ_CLEANUP 6
106 u8 cmd_type;
107#define QEDF_CMD_OUTSTANDING 0x0
108#define QEDF_CMD_IN_ABORT 0x1
109#define QEDF_CMD_IN_CLEANUP 0x2
110#define QEDF_CMD_SRR_SENT 0x3
111#define QEDF_CMD_DIRTY 0x4
112#define QEDF_CMD_ERR_SCSI_DONE 0x5
113 u8 io_req_flags;
114 uint8_t tm_flags;
115 u64 tm_lun;
116 struct qedf_rport *fcport;
117#define QEDF_CMD_ST_INACTIVE 0
118#define QEDFC_CMD_ST_IO_ACTIVE 1
119#define QEDFC_CMD_ST_ABORT_ACTIVE 2
120#define QEDFC_CMD_ST_ABORT_ACTIVE_EH 3
121#define QEDFC_CMD_ST_CLEANUP_ACTIVE 4
122#define QEDFC_CMD_ST_CLEANUP_ACTIVE_EH 5
123#define QEDFC_CMD_ST_RRQ_ACTIVE 6
124#define QEDFC_CMD_ST_RRQ_WAIT 7
125#define QEDFC_CMD_ST_OXID_RETIRE_WAIT 8
126#define QEDFC_CMD_ST_TMF_ACTIVE 9
127#define QEDFC_CMD_ST_DRAIN_ACTIVE 10
128#define QEDFC_CMD_ST_CLEANED 11
129#define QEDFC_CMD_ST_ELS_ACTIVE 12
130 atomic_t state;
131 unsigned long flags;
132 enum qedf_ioreq_event event;
133 size_t data_xfer_len;
134 /* ID: 001: Alloc cmd (qedf_alloc_cmd) */
135 /* ID: 002: Initiate ABTS (qedf_initiate_abts) */
136 /* ID: 003: For RRQ (qedf_process_abts_compl) */
137 struct kref refcount;
138 struct qedf_cmd_mgr *cmd_mgr;
139 struct io_bdt *bd_tbl;
140 struct delayed_work timeout_work;
141 struct completion tm_done;
142 struct completion abts_done;
143 struct completion cleanup_done;
144 struct fcoe_task_context *task;
145 struct fcoe_task_params *task_params;
146 struct scsi_sgl_task_params *sgl_task_params;
147 int idx;
148 int lun;
149/*
150 * Need to allocate enough room for both sense data and FCP response data
151 * which has a max length of 8 bytes according to spec.
152 */
153#define QEDF_SCSI_SENSE_BUFFERSIZE (SCSI_SENSE_BUFFERSIZE + 8)
154 uint8_t *sense_buffer;
155 dma_addr_t sense_buffer_dma;
156 u32 fcp_resid;
157 u32 fcp_rsp_len;
158 u32 fcp_sns_len;
159 u8 cdb_status;
160 u8 fcp_status;
161 u8 fcp_rsp_code;
162 u8 scsi_comp_flags;
163#define QEDF_MAX_REUSE 0xfff
164 u16 reuse_count;
165 struct qedf_mp_req mp_req;
166 void (*cb_func)(struct qedf_els_cb_arg *cb_arg);
167 struct qedf_els_cb_arg *cb_arg;
168 int fp_idx;
169 unsigned int cpu;
170 unsigned int int_cpu;
171#define QEDF_IOREQ_UNKNOWN_SGE 1
172#define QEDF_IOREQ_SLOW_SGE 2
173#define QEDF_IOREQ_FAST_SGE 3
174 u8 sge_type;
175 struct delayed_work rrq_work;
176
177 /* Used for sequence level recovery; i.e. REC/SRR */
178 uint32_t rx_buf_off;
179 uint32_t tx_buf_off;
180 uint32_t rx_id;
181 uint32_t task_retry_identifier;
182
183 /*
184 * Used to tell if we need to return a SCSI command
185 * during some form of error processing.
186 */
187 bool return_scsi_cmd_on_abts;
188
189 unsigned int alloc;
190};
191
192struct qedf_cmd_priv {
193 struct qedf_ioreq *io_req;
194};
195
196static inline struct qedf_cmd_priv *qedf_priv(struct scsi_cmnd *cmd)
197{
198 return scsi_cmd_priv(cmd);
199}
200
201extern struct workqueue_struct *qedf_io_wq;
202
203struct qedf_rport {
204 spinlock_t rport_lock;
205#define QEDF_RPORT_SESSION_READY 1
206#define QEDF_RPORT_UPLOADING_CONNECTION 2
207#define QEDF_RPORT_IN_RESET 3
208#define QEDF_RPORT_IN_LUN_RESET 4
209#define QEDF_RPORT_IN_TARGET_RESET 5
210 unsigned long flags;
211 int lun_reset_lun;
212 unsigned long retry_delay_timestamp;
213 struct fc_rport *rport;
214 struct fc_rport_priv *rdata;
215 struct qedf_ctx *qedf;
216 u32 handle; /* Handle from qed */
217 u32 fw_cid; /* fw_cid from qed */
218 void __iomem *p_doorbell;
219 /* Send queue management */
220 atomic_t free_sqes;
221 atomic_t ios_to_queue;
222 atomic_t num_active_ios;
223 struct fcoe_wqe *sq;
224 dma_addr_t sq_dma;
225 u16 sq_prod_idx;
226 u16 fw_sq_prod_idx;
227 u16 sq_con_idx;
228 u32 sq_mem_size;
229 void *sq_pbl;
230 dma_addr_t sq_pbl_dma;
231 u32 sq_pbl_size;
232 u32 sid;
233#define QEDF_RPORT_TYPE_DISK 0
234#define QEDF_RPORT_TYPE_TAPE 1
235 uint dev_type; /* Disk or tape */
236 struct list_head peers;
237};
238
239/* Used to contain LL2 skb's in ll2_skb_list */
240struct qedf_skb_work {
241 struct work_struct work;
242 struct sk_buff *skb;
243 struct qedf_ctx *qedf;
244};
245
246struct qedf_fastpath {
247#define QEDF_SB_ID_NULL 0xffff
248 u16 sb_id;
249 struct qed_sb_info *sb_info;
250 struct qedf_ctx *qedf;
251 /* Keep track of number of completions on this fastpath */
252 unsigned long completions;
253 uint32_t cq_num_entries;
254};
255
256/* Used to pass fastpath information needed to process CQEs */
257struct qedf_io_work {
258 struct work_struct work;
259 struct fcoe_cqe cqe;
260 struct qedf_ctx *qedf;
261 struct fc_frame *fp;
262};
263
264struct qedf_glbl_q_params {
265 u64 hw_p_cq; /* Completion queue PBL */
266 u64 hw_p_rq; /* Request queue PBL */
267 u64 hw_p_cmdq; /* Command queue PBL */
268};
269
270struct global_queue {
271 struct fcoe_cqe *cq;
272 dma_addr_t cq_dma;
273 u32 cq_mem_size;
274 u32 cq_cons_idx; /* Completion queue consumer index */
275 u32 cq_prod_idx;
276
277 void *cq_pbl;
278 dma_addr_t cq_pbl_dma;
279 u32 cq_pbl_size;
280};
281
282/* I/O tracing entry */
283#define QEDF_IO_TRACE_SIZE 2048
284struct qedf_io_log {
285#define QEDF_IO_TRACE_REQ 0
286#define QEDF_IO_TRACE_RSP 1
287 uint8_t direction;
288 uint16_t task_id;
289 uint32_t port_id; /* Remote port fabric ID */
290 int lun;
291 unsigned char op; /* SCSI CDB */
292 uint8_t lba[4];
293 unsigned int bufflen; /* SCSI buffer length */
294 unsigned int sg_count; /* Number of SG elements */
295 int result; /* Result passed back to mid-layer */
296 unsigned long jiffies; /* Time stamp when I/O logged */
297 int refcount; /* Reference count for task id */
298 unsigned int req_cpu; /* CPU that the task is queued on */
299 unsigned int int_cpu; /* Interrupt CPU that the task is received on */
300 unsigned int rsp_cpu; /* CPU that task is returned on */
301 u8 sge_type; /* Did we take the slow, single or fast SGE path */
302};
303
304/* Number of entries in BDQ */
305#define QEDF_BDQ_SIZE 256
306#define QEDF_BDQ_BUF_SIZE 2072
307
308/* DMA coherent buffers for BDQ */
309struct qedf_bdq_buf {
310 void *buf_addr;
311 dma_addr_t buf_dma;
312};
313
314/* Main adapter struct */
315struct qedf_ctx {
316 struct qedf_dbg_ctx dbg_ctx;
317 struct fcoe_ctlr ctlr;
318 struct fc_lport *lport;
319 u8 data_src_addr[ETH_ALEN];
320#define QEDF_LINK_DOWN 0
321#define QEDF_LINK_UP 1
322 atomic_t link_state;
323#define QEDF_DCBX_PENDING 0
324#define QEDF_DCBX_DONE 1
325 atomic_t dcbx;
326#define QEDF_NULL_VLAN_ID -1
327#define QEDF_FALLBACK_VLAN 1002
328#define QEDF_DEFAULT_PRIO 3
329 int vlan_id;
330 u8 prio;
331 struct qed_dev *cdev;
332 struct qed_dev_fcoe_info dev_info;
333 struct qed_int_info int_info;
334 uint16_t last_command;
335 spinlock_t hba_lock;
336 struct pci_dev *pdev;
337 u64 wwnn;
338 u64 wwpn;
339 u8 __aligned(16) mac[ETH_ALEN];
340 struct list_head fcports;
341 atomic_t num_offloads;
342 unsigned int curr_conn_id;
343 struct workqueue_struct *ll2_recv_wq;
344 struct workqueue_struct *link_update_wq;
345 struct devlink *devlink;
346 struct delayed_work link_update;
347 struct delayed_work link_recovery;
348 struct completion flogi_compl;
349 struct completion fipvlan_compl;
350
351 /*
352 * Used to tell if we're in the window where we are waiting for
353 * the link to come back up before informting fcoe that the link is
354 * done.
355 */
356 atomic_t link_down_tmo_valid;
357#define QEDF_TIMER_INTERVAL (1 * HZ)
358 struct timer_list timer; /* One second book keeping timer */
359#define QEDF_DRAIN_ACTIVE 1
360#define QEDF_LL2_STARTED 2
361#define QEDF_UNLOADING 3
362#define QEDF_GRCDUMP_CAPTURE 4
363#define QEDF_IN_RECOVERY 5
364#define QEDF_DBG_STOP_IO 6
365#define QEDF_PROBING 8
366#define QEDF_STAG_IN_PROGRESS 9
367 unsigned long flags; /* Miscellaneous state flags */
368 int fipvlan_retries;
369 u8 num_queues;
370 struct global_queue **global_queues;
371 /* Pointer to array of queue structures */
372 struct qedf_glbl_q_params *p_cpuq;
373 /* Physical address of array of queue structures */
374 dma_addr_t hw_p_cpuq;
375
376 struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE];
377 void *bdq_pbl;
378 dma_addr_t bdq_pbl_dma;
379 size_t bdq_pbl_mem_size;
380 void *bdq_pbl_list;
381 dma_addr_t bdq_pbl_list_dma;
382 u8 bdq_pbl_list_num_entries;
383 void __iomem *bdq_primary_prod;
384 void __iomem *bdq_secondary_prod;
385 uint16_t bdq_prod_idx;
386
387 /* Structure for holding all the fastpath for this qedf_ctx */
388 struct qedf_fastpath *fp_array;
389 struct qed_fcoe_tid tasks;
390 struct qedf_cmd_mgr *cmd_mgr;
391 /* Holds the PF parameters we pass to qed to start he FCoE function */
392 struct qed_pf_params pf_params;
393 /* Used to time middle path ELS and TM commands */
394 struct workqueue_struct *timer_work_queue;
395
396#define QEDF_IO_WORK_MIN 64
397 mempool_t *io_mempool;
398 struct workqueue_struct *dpc_wq;
399 struct delayed_work recovery_work;
400 struct delayed_work board_disable_work;
401 struct delayed_work grcdump_work;
402 struct delayed_work stag_work;
403
404 u32 slow_sge_ios;
405 u32 fast_sge_ios;
406
407 uint8_t *grcdump;
408 uint32_t grcdump_size;
409
410 struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE];
411 spinlock_t io_trace_lock;
412 uint16_t io_trace_idx;
413
414 bool stop_io_on_error;
415
416 u32 flogi_cnt;
417 u32 flogi_failed;
418 u32 flogi_pending;
419
420 /* Used for fc statistics */
421 struct mutex stats_mutex;
422 u64 input_requests;
423 u64 output_requests;
424 u64 control_requests;
425 u64 packet_aborts;
426 u64 alloc_failures;
427 u8 lun_resets;
428 u8 target_resets;
429 u8 task_set_fulls;
430 u8 busy;
431 /* Used for flush routine */
432 struct mutex flush_mutex;
433};
434
435struct io_bdt {
436 struct qedf_ioreq *io_req;
437 struct scsi_sge *bd_tbl;
438 dma_addr_t bd_tbl_dma;
439 u16 bd_valid;
440};
441
442struct qedf_cmd_mgr {
443 struct qedf_ctx *qedf;
444 u16 idx;
445 struct io_bdt **io_bdt_pool;
446#define FCOE_PARAMS_NUM_TASKS 2048
447 struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS];
448 spinlock_t lock;
449 atomic_t free_list_cnt;
450};
451
452/* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info
453 * Usage:
454 *
455 * void *ptr;
456 * ptr = qedf_get_task_mem(&qedf->tasks, 128);
457 */
458static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid)
459{
460 return (void *)(info->blocks[tid / info->num_tids_per_block] +
461 (tid % info->num_tids_per_block) * info->size);
462}
463
464static inline void qedf_stop_all_io(struct qedf_ctx *qedf)
465{
466 set_bit(QEDF_DBG_STOP_IO, &qedf->flags);
467}
468
469/*
470 * Externs
471 */
472
473/*
474 * (QEDF_LOG_NPIV | QEDF_LOG_SESS | QEDF_LOG_LPORT | QEDF_LOG_ELS | QEDF_LOG_MQ
475 * | QEDF_LOG_IO | QEDF_LOG_UNSOL | QEDF_LOG_SCSI_TM | QEDF_LOG_MP_REQ |
476 * QEDF_LOG_EVT | QEDF_LOG_CONN | QEDF_LOG_DISC | QEDF_LOG_INFO)
477 */
478#define QEDF_DEFAULT_LOG_MASK 0x3CFB6
479extern const struct qed_fcoe_ops *qed_ops;
480extern uint qedf_dump_frames;
481extern uint qedf_io_tracing;
482extern uint qedf_stop_io_on_error;
483extern uint qedf_link_down_tmo;
484#define QEDF_RETRY_DELAY_MAX 600 /* 60 seconds */
485extern bool qedf_retry_delay;
486extern uint qedf_debug;
487
488extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf);
489extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr);
490extern enum scsi_qc_status qedf_queuecommand(struct Scsi_Host *host,
491 struct scsi_cmnd *sc_cmd);
492extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb);
493extern u8 *qedf_get_src_mac(struct fc_lport *lport);
494extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb);
495extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf);
496extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
497 struct qedf_ioreq *io_req);
498extern void qedf_process_warning_compl(struct qedf_ctx *qedf,
499 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
500extern void qedf_process_error_detect(struct qedf_ctx *qedf,
501 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
502extern void qedf_flush_active_ios(struct qedf_rport *fcport, u64 lun);
503extern void qedf_release_cmd(struct kref *ref);
504extern int qedf_initiate_abts(struct qedf_ioreq *io_req,
505 bool return_scsi_cmd_on_abts);
506extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
507 struct qedf_ioreq *io_req);
508extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport,
509 u8 cmd_type);
510
511extern const struct attribute_group *qedf_host_groups[];
512extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
513 unsigned int timer_msec);
514extern int qedf_init_mp_req(struct qedf_ioreq *io_req);
515extern void qedf_init_mp_task(struct qedf_ioreq *io_req,
516 struct fcoe_task_context *task_ctx, struct fcoe_wqe *sqe);
517extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport);
518extern void qedf_ring_doorbell(struct qedf_rport *fcport);
519extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
520 struct qedf_ioreq *els_req);
521extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req);
522extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp);
523extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req,
524 bool return_scsi_cmd_on_abts);
525extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf,
526 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
527extern int qedf_initiate_tmf(struct fc_rport *rport, u64 lun, u8 tm_flags);
528extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
529 struct qedf_ioreq *io_req);
530extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe);
531extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
532 int result);
533extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id);
534extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf);
535extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf);
536extern void qedf_capture_grc_dump(struct qedf_ctx *qedf);
537bool qedf_wait_for_upload(struct qedf_ctx *qedf);
538extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx,
539 struct fcoe_cqe *cqe);
540extern void qedf_restart_rport(struct qedf_rport *fcport);
541extern int qedf_send_rec(struct qedf_ioreq *orig_io_req);
542extern int qedf_post_io_req(struct qedf_rport *fcport,
543 struct qedf_ioreq *io_req);
544extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf,
545 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
546extern int qedf_send_flogi(struct qedf_ctx *qedf);
547extern void qedf_get_protocol_tlv_data(void *dev, void *data);
548extern void qedf_fp_io_handler(struct work_struct *work);
549extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data);
550extern void qedf_wq_grcdump(struct work_struct *work);
551void qedf_stag_change_work(struct work_struct *work);
552void qedf_ctx_soft_reset(struct fc_lport *lport);
553extern void qedf_schedule_hw_err_handler(void *dev,
554 enum qed_hw_err_type err_type);
555
556#define FCOE_WORD_TO_BYTE 4
557#define QEDF_MAX_TASK_NUM 0xFFFF
558#define QL45xxx 0x165C
559#define QL41xxx 0x8080
560#define MAX_CT_PAYLOAD 2048
561#define DISCOVERED_PORTS 4
562#define NUMBER_OF_PORTS 1
563
564struct fip_vlan {
565 struct ethhdr eth;
566 struct fip_header fip;
567 struct {
568 struct fip_mac_desc mac;
569 struct fip_wwn_desc wwnn;
570 } desc;
571};
572
573/* SQ/CQ Sizes */
574#define GBL_RSVD_TASKS 16
575#define NUM_TASKS_PER_CONNECTION 1024
576#define NUM_RW_TASKS_PER_CONNECTION 512
577#define FCOE_PARAMS_CQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS
578
579#define FCOE_PARAMS_CMDQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS
580#define SQ_NUM_ENTRIES NUM_TASKS_PER_CONNECTION
581
582#define QEDF_FCOE_PARAMS_GL_RQ_PI 0
583#define QEDF_FCOE_PARAMS_GL_CMD_PI 1
584
585#define QEDF_READ (1 << 1)
586#define QEDF_WRITE (1 << 0)
587#define MAX_FIBRE_LUNS 0xffffffff
588
589#define MIN_NUM_CPUS_MSIX(x) min_t(u32, x->dev_info.num_cqs, \
590 num_online_cpus())
591
592/*
593 * PCI function probe defines
594 */
595/* Probe/remove called during normal PCI probe */
596#define QEDF_MODE_NORMAL 0
597/* Probe/remove called from qed error recovery */
598#define QEDF_MODE_RECOVERY 1
599
600#define SUPPORTED_25000baseKR_Full (1<<27)
601#define SUPPORTED_50000baseKR2_Full (1<<28)
602#define SUPPORTED_100000baseKR4_Full (1<<29)
603#define SUPPORTED_100000baseCR4_Full (1<<30)
604
605#endif