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
54 struct 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
70 struct 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
79 enum 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 CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status)
95 #define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID (0x1<<0)
96 #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID (0x1<<1)
97 struct qedf_ioreq {
98 struct list_head link;
99 uint16_t xid;
100 struct scsi_cmnd *sc_cmd;
101 #define QEDF_SCSI_CMD 1
102 #define QEDF_TASK_MGMT_CMD 2
103 #define QEDF_ABTS 3
104 #define QEDF_ELS 4
105 #define QEDF_CLEANUP 5
106 #define QEDF_SEQ_CLEANUP 6
107 u8 cmd_type;
108 #define QEDF_CMD_OUTSTANDING 0x0
109 #define QEDF_CMD_IN_ABORT 0x1
110 #define QEDF_CMD_IN_CLEANUP 0x2
111 #define QEDF_CMD_SRR_SENT 0x3
112 #define QEDF_CMD_DIRTY 0x4
113 #define QEDF_CMD_ERR_SCSI_DONE 0x5
114 u8 io_req_flags;
115 uint8_t tm_flags;
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 e4_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
192 extern struct workqueue_struct *qedf_io_wq;
193
194 struct qedf_rport {
195 spinlock_t rport_lock;
196 #define QEDF_RPORT_SESSION_READY 1
197 #define QEDF_RPORT_UPLOADING_CONNECTION 2
198 #define QEDF_RPORT_IN_RESET 3
199 #define QEDF_RPORT_IN_LUN_RESET 4
200 #define QEDF_RPORT_IN_TARGET_RESET 5
201 unsigned long flags;
202 int lun_reset_lun;
203 unsigned long retry_delay_timestamp;
204 struct fc_rport *rport;
205 struct fc_rport_priv *rdata;
206 struct qedf_ctx *qedf;
207 u32 handle; /* Handle from qed */
208 u32 fw_cid; /* fw_cid from qed */
209 void __iomem *p_doorbell;
210 /* Send queue management */
211 atomic_t free_sqes;
212 atomic_t ios_to_queue;
213 atomic_t num_active_ios;
214 struct fcoe_wqe *sq;
215 dma_addr_t sq_dma;
216 u16 sq_prod_idx;
217 u16 fw_sq_prod_idx;
218 u16 sq_con_idx;
219 u32 sq_mem_size;
220 void *sq_pbl;
221 dma_addr_t sq_pbl_dma;
222 u32 sq_pbl_size;
223 u32 sid;
224 #define QEDF_RPORT_TYPE_DISK 0
225 #define QEDF_RPORT_TYPE_TAPE 1
226 uint dev_type; /* Disk or tape */
227 struct list_head peers;
228 };
229
230 /* Used to contain LL2 skb's in ll2_skb_list */
231 struct qedf_skb_work {
232 struct work_struct work;
233 struct sk_buff *skb;
234 struct qedf_ctx *qedf;
235 };
236
237 struct qedf_fastpath {
238 #define QEDF_SB_ID_NULL 0xffff
239 u16 sb_id;
240 struct qed_sb_info *sb_info;
241 struct qedf_ctx *qedf;
242 /* Keep track of number of completions on this fastpath */
243 unsigned long completions;
244 uint32_t cq_num_entries;
245 };
246
247 /* Used to pass fastpath information needed to process CQEs */
248 struct qedf_io_work {
249 struct work_struct work;
250 struct fcoe_cqe cqe;
251 struct qedf_ctx *qedf;
252 struct fc_frame *fp;
253 };
254
255 struct qedf_glbl_q_params {
256 u64 hw_p_cq; /* Completion queue PBL */
257 u64 hw_p_rq; /* Request queue PBL */
258 u64 hw_p_cmdq; /* Command queue PBL */
259 };
260
261 struct global_queue {
262 struct fcoe_cqe *cq;
263 dma_addr_t cq_dma;
264 u32 cq_mem_size;
265 u32 cq_cons_idx; /* Completion queue consumer index */
266 u32 cq_prod_idx;
267
268 void *cq_pbl;
269 dma_addr_t cq_pbl_dma;
270 u32 cq_pbl_size;
271 };
272
273 /* I/O tracing entry */
274 #define QEDF_IO_TRACE_SIZE 2048
275 struct qedf_io_log {
276 #define QEDF_IO_TRACE_REQ 0
277 #define QEDF_IO_TRACE_RSP 1
278 uint8_t direction;
279 uint16_t task_id;
280 uint32_t port_id; /* Remote port fabric ID */
281 int lun;
282 unsigned char op; /* SCSI CDB */
283 uint8_t lba[4];
284 unsigned int bufflen; /* SCSI buffer length */
285 unsigned int sg_count; /* Number of SG elements */
286 int result; /* Result passed back to mid-layer */
287 unsigned long jiffies; /* Time stamp when I/O logged */
288 int refcount; /* Reference count for task id */
289 unsigned int req_cpu; /* CPU that the task is queued on */
290 unsigned int int_cpu; /* Interrupt CPU that the task is received on */
291 unsigned int rsp_cpu; /* CPU that task is returned on */
292 u8 sge_type; /* Did we take the slow, single or fast SGE path */
293 };
294
295 /* Number of entries in BDQ */
296 #define QEDF_BDQ_SIZE 256
297 #define QEDF_BDQ_BUF_SIZE 2072
298
299 /* DMA coherent buffers for BDQ */
300 struct qedf_bdq_buf {
301 void *buf_addr;
302 dma_addr_t buf_dma;
303 };
304
305 /* Main adapter struct */
306 struct qedf_ctx {
307 struct qedf_dbg_ctx dbg_ctx;
308 struct fcoe_ctlr ctlr;
309 struct fc_lport *lport;
310 u8 data_src_addr[ETH_ALEN];
311 #define QEDF_LINK_DOWN 0
312 #define QEDF_LINK_UP 1
313 atomic_t link_state;
314 #define QEDF_DCBX_PENDING 0
315 #define QEDF_DCBX_DONE 1
316 atomic_t dcbx;
317 #define QEDF_NULL_VLAN_ID -1
318 #define QEDF_FALLBACK_VLAN 1002
319 #define QEDF_DEFAULT_PRIO 3
320 int vlan_id;
321 u8 prio;
322 struct qed_dev *cdev;
323 struct qed_dev_fcoe_info dev_info;
324 struct qed_int_info int_info;
325 uint16_t last_command;
326 spinlock_t hba_lock;
327 struct pci_dev *pdev;
328 u64 wwnn;
329 u64 wwpn;
330 u8 __aligned(16) mac[ETH_ALEN];
331 struct list_head fcports;
332 atomic_t num_offloads;
333 unsigned int curr_conn_id;
334 struct workqueue_struct *ll2_recv_wq;
335 struct workqueue_struct *link_update_wq;
336 struct devlink *devlink;
337 struct delayed_work link_update;
338 struct delayed_work link_recovery;
339 struct completion flogi_compl;
340 struct completion fipvlan_compl;
341
342 /*
343 * Used to tell if we're in the window where we are waiting for
344 * the link to come back up before informting fcoe that the link is
345 * done.
346 */
347 atomic_t link_down_tmo_valid;
348 #define QEDF_TIMER_INTERVAL (1 * HZ)
349 struct timer_list timer; /* One second book keeping timer */
350 #define QEDF_DRAIN_ACTIVE 1
351 #define QEDF_LL2_STARTED 2
352 #define QEDF_UNLOADING 3
353 #define QEDF_GRCDUMP_CAPTURE 4
354 #define QEDF_IN_RECOVERY 5
355 #define QEDF_DBG_STOP_IO 6
356 #define QEDF_PROBING 8
357 unsigned long flags; /* Miscellaneous state flags */
358 int fipvlan_retries;
359 u8 num_queues;
360 struct global_queue **global_queues;
361 /* Pointer to array of queue structures */
362 struct qedf_glbl_q_params *p_cpuq;
363 /* Physical address of array of queue structures */
364 dma_addr_t hw_p_cpuq;
365
366 struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE];
367 void *bdq_pbl;
368 dma_addr_t bdq_pbl_dma;
369 size_t bdq_pbl_mem_size;
370 void *bdq_pbl_list;
371 dma_addr_t bdq_pbl_list_dma;
372 u8 bdq_pbl_list_num_entries;
373 void __iomem *bdq_primary_prod;
374 void __iomem *bdq_secondary_prod;
375 uint16_t bdq_prod_idx;
376
377 /* Structure for holding all the fastpath for this qedf_ctx */
378 struct qedf_fastpath *fp_array;
379 struct qed_fcoe_tid tasks;
380 struct qedf_cmd_mgr *cmd_mgr;
381 /* Holds the PF parameters we pass to qed to start he FCoE function */
382 struct qed_pf_params pf_params;
383 /* Used to time middle path ELS and TM commands */
384 struct workqueue_struct *timer_work_queue;
385
386 #define QEDF_IO_WORK_MIN 64
387 mempool_t *io_mempool;
388 struct workqueue_struct *dpc_wq;
389 struct delayed_work recovery_work;
390 struct delayed_work board_disable_work;
391 struct delayed_work grcdump_work;
392 struct delayed_work stag_work;
393
394 u32 slow_sge_ios;
395 u32 fast_sge_ios;
396
397 uint8_t *grcdump;
398 uint32_t grcdump_size;
399
400 struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE];
401 spinlock_t io_trace_lock;
402 uint16_t io_trace_idx;
403
404 bool stop_io_on_error;
405
406 u32 flogi_cnt;
407 u32 flogi_failed;
408 u32 flogi_pending;
409
410 /* Used for fc statistics */
411 struct mutex stats_mutex;
412 u64 input_requests;
413 u64 output_requests;
414 u64 control_requests;
415 u64 packet_aborts;
416 u64 alloc_failures;
417 u8 lun_resets;
418 u8 target_resets;
419 u8 task_set_fulls;
420 u8 busy;
421 /* Used for flush routine */
422 struct mutex flush_mutex;
423 };
424
425 struct io_bdt {
426 struct qedf_ioreq *io_req;
427 struct scsi_sge *bd_tbl;
428 dma_addr_t bd_tbl_dma;
429 u16 bd_valid;
430 };
431
432 struct qedf_cmd_mgr {
433 struct qedf_ctx *qedf;
434 u16 idx;
435 struct io_bdt **io_bdt_pool;
436 #define FCOE_PARAMS_NUM_TASKS 2048
437 struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS];
438 spinlock_t lock;
439 atomic_t free_list_cnt;
440 };
441
442 /* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info
443 * Usage:
444 *
445 * void *ptr;
446 * ptr = qedf_get_task_mem(&qedf->tasks, 128);
447 */
qedf_get_task_mem(struct qed_fcoe_tid * info,u32 tid)448 static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid)
449 {
450 return (void *)(info->blocks[tid / info->num_tids_per_block] +
451 (tid % info->num_tids_per_block) * info->size);
452 }
453
qedf_stop_all_io(struct qedf_ctx * qedf)454 static inline void qedf_stop_all_io(struct qedf_ctx *qedf)
455 {
456 set_bit(QEDF_DBG_STOP_IO, &qedf->flags);
457 }
458
459 /*
460 * Externs
461 */
462
463 /*
464 * (QEDF_LOG_NPIV | QEDF_LOG_SESS | QEDF_LOG_LPORT | QEDF_LOG_ELS | QEDF_LOG_MQ
465 * | QEDF_LOG_IO | QEDF_LOG_UNSOL | QEDF_LOG_SCSI_TM | QEDF_LOG_MP_REQ |
466 * QEDF_LOG_EVT | QEDF_LOG_CONN | QEDF_LOG_DISC | QEDF_LOG_INFO)
467 */
468 #define QEDF_DEFAULT_LOG_MASK 0x3CFB6
469 extern const struct qed_fcoe_ops *qed_ops;
470 extern uint qedf_dump_frames;
471 extern uint qedf_io_tracing;
472 extern uint qedf_stop_io_on_error;
473 extern uint qedf_link_down_tmo;
474 #define QEDF_RETRY_DELAY_MAX 600 /* 60 seconds */
475 extern bool qedf_retry_delay;
476 extern uint qedf_debug;
477
478 extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf);
479 extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr);
480 extern int qedf_queuecommand(struct Scsi_Host *host,
481 struct scsi_cmnd *sc_cmd);
482 extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb);
483 extern u8 *qedf_get_src_mac(struct fc_lport *lport);
484 extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb);
485 extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf);
486 extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
487 struct qedf_ioreq *io_req);
488 extern void qedf_process_warning_compl(struct qedf_ctx *qedf,
489 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
490 extern void qedf_process_error_detect(struct qedf_ctx *qedf,
491 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
492 extern void qedf_flush_active_ios(struct qedf_rport *fcport, int lun);
493 extern void qedf_release_cmd(struct kref *ref);
494 extern int qedf_initiate_abts(struct qedf_ioreq *io_req,
495 bool return_scsi_cmd_on_abts);
496 extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
497 struct qedf_ioreq *io_req);
498 extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport,
499 u8 cmd_type);
500
501 extern struct device_attribute *qedf_host_attrs[];
502 extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
503 unsigned int timer_msec);
504 extern int qedf_init_mp_req(struct qedf_ioreq *io_req);
505 extern void qedf_init_mp_task(struct qedf_ioreq *io_req,
506 struct e4_fcoe_task_context *task_ctx, struct fcoe_wqe *sqe);
507 extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport);
508 extern void qedf_ring_doorbell(struct qedf_rport *fcport);
509 extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
510 struct qedf_ioreq *els_req);
511 extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req);
512 extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp);
513 extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req,
514 bool return_scsi_cmd_on_abts);
515 extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf,
516 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
517 extern int qedf_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags);
518 extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
519 struct qedf_ioreq *io_req);
520 extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe);
521 extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
522 int result);
523 extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id);
524 extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf);
525 extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf);
526 extern void qedf_capture_grc_dump(struct qedf_ctx *qedf);
527 bool qedf_wait_for_upload(struct qedf_ctx *qedf);
528 extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx,
529 struct fcoe_cqe *cqe);
530 extern void qedf_restart_rport(struct qedf_rport *fcport);
531 extern int qedf_send_rec(struct qedf_ioreq *orig_io_req);
532 extern int qedf_post_io_req(struct qedf_rport *fcport,
533 struct qedf_ioreq *io_req);
534 extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf,
535 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
536 extern int qedf_send_flogi(struct qedf_ctx *qedf);
537 extern void qedf_get_protocol_tlv_data(void *dev, void *data);
538 extern void qedf_fp_io_handler(struct work_struct *work);
539 extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data);
540 extern void qedf_wq_grcdump(struct work_struct *work);
541 void qedf_stag_change_work(struct work_struct *work);
542 void qedf_ctx_soft_reset(struct fc_lport *lport);
543 extern void qedf_board_disable_work(struct work_struct *work);
544 extern void qedf_schedule_hw_err_handler(void *dev,
545 enum qed_hw_err_type err_type);
546
547 #define FCOE_WORD_TO_BYTE 4
548 #define QEDF_MAX_TASK_NUM 0xFFFF
549 #define QL45xxx 0x165C
550 #define QL41xxx 0x8080
551 #define MAX_CT_PAYLOAD 2048
552 #define DISCOVERED_PORTS 4
553 #define NUMBER_OF_PORTS 1
554
555 struct fip_vlan {
556 struct ethhdr eth;
557 struct fip_header fip;
558 struct {
559 struct fip_mac_desc mac;
560 struct fip_wwn_desc wwnn;
561 } desc;
562 };
563
564 /* SQ/CQ Sizes */
565 #define GBL_RSVD_TASKS 16
566 #define NUM_TASKS_PER_CONNECTION 1024
567 #define NUM_RW_TASKS_PER_CONNECTION 512
568 #define FCOE_PARAMS_CQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS
569
570 #define FCOE_PARAMS_CMDQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS
571 #define SQ_NUM_ENTRIES NUM_TASKS_PER_CONNECTION
572
573 #define QEDF_FCOE_PARAMS_GL_RQ_PI 0
574 #define QEDF_FCOE_PARAMS_GL_CMD_PI 1
575
576 #define QEDF_READ (1 << 1)
577 #define QEDF_WRITE (1 << 0)
578 #define MAX_FIBRE_LUNS 0xffffffff
579
580 #define MIN_NUM_CPUS_MSIX(x) min_t(u32, x->dev_info.num_cqs, \
581 num_online_cpus())
582
583 /*
584 * PCI function probe defines
585 */
586 /* Probe/remove called during normal PCI probe */
587 #define QEDF_MODE_NORMAL 0
588 /* Probe/remove called from qed error recovery */
589 #define QEDF_MODE_RECOVERY 1
590
591 #define SUPPORTED_25000baseKR_Full (1<<27)
592 #define SUPPORTED_50000baseKR2_Full (1<<28)
593 #define SUPPORTED_100000baseKR4_Full (1<<29)
594 #define SUPPORTED_100000baseCR4_Full (1<<30)
595
596 #endif
597