summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/qedf/qedf.h
blob: 98afdfe63600314bdc73152fc1b81910ccb740b7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  QLogic FCoE Offload Driver
 *  Copyright (c) 2016-2018 Cavium Inc.
 */
#ifndef _QEDFC_H_
#define _QEDFC_H_

#include <scsi/libfcoe.h>
#include <scsi/libfc.h>
#include <scsi/fc/fc_fip.h>
#include <scsi/fc/fc_fc2.h>
#include <scsi/scsi_tcq.h>

/* qedf_hsi.h needs to before included any qed includes */
#include "qedf_hsi.h"

#include <linux/qed/qed_if.h>
#include <linux/qed/qed_fcoe_if.h>
#include <linux/qed/qed_ll2_if.h>
#include "qedf_version.h"
#include "qedf_dbg.h"
#include "drv_fcoe_fw_funcs.h"

/* Helpers to extract upper and lower 32-bits of pointer */
#define U64_HI(val) ((u32)(((u64)(val)) >> 32))
#define U64_LO(val) ((u32)(((u64)(val)) & 0xffffffff))

#define QEDF_DESCR "QLogic FCoE Offload Driver"
#define QEDF_MODULE_NAME "qedf"

#define QEDF_FLOGI_RETRY_CNT	3
#define QEDF_RPORT_RETRY_CNT	255
#define QEDF_MAX_SESSIONS	1024
#define QEDF_MAX_PAYLOAD	2048
#define QEDF_MAX_BDS_PER_CMD	256
#define QEDF_MAX_BD_LEN		0xffff
#define QEDF_BD_SPLIT_SZ	0x1000
#define QEDF_PAGE_SIZE		4096
#define QED_HW_DMA_BOUNDARY     0xfff
#define QEDF_MAX_SGLEN_FOR_CACHESGL		((1U << 16) - 1)
#define QEDF_MFS		(QEDF_MAX_PAYLOAD + \
	sizeof(struct fc_frame_header))
#define QEDF_MAX_NPIV		64
#define QEDF_TM_TIMEOUT		10
#define QEDF_ABORT_TIMEOUT	(10 * 1000)
#define QEDF_CLEANUP_TIMEOUT	1
#define QEDF_MAX_CDB_LEN	16
#define QEDF_LL2_BUF_SIZE	2500	/* Buffer size required for LL2 Rx */

#define UPSTREAM_REMOVE		1
#define UPSTREAM_KEEP		1

struct qedf_mp_req {
	uint32_t req_len;
	void *req_buf;
	dma_addr_t req_buf_dma;
	struct scsi_sge *mp_req_bd;
	dma_addr_t mp_req_bd_dma;
	struct fc_frame_header req_fc_hdr;

	uint32_t resp_len;
	void *resp_buf;
	dma_addr_t resp_buf_dma;
	struct scsi_sge *mp_resp_bd;
	dma_addr_t mp_resp_bd_dma;
	struct fc_frame_header resp_fc_hdr;
};

struct qedf_els_cb_arg {
	struct qedf_ioreq *aborted_io_req;
	struct qedf_ioreq *io_req;
	u8 op; /* Used to keep track of ELS op */
	uint16_t l2_oxid;
	u32 offset; /* Used for sequence cleanup */
	u8 r_ctl; /* Used for sequence cleanup */
};

enum qedf_ioreq_event {
	QEDF_IOREQ_EV_NONE,
	QEDF_IOREQ_EV_ABORT_SUCCESS,
	QEDF_IOREQ_EV_ABORT_FAILED,
	QEDF_IOREQ_EV_SEND_RRQ,
	QEDF_IOREQ_EV_ELS_TMO,
	QEDF_IOREQ_EV_ELS_ERR_DETECT,
	QEDF_IOREQ_EV_ELS_FLUSH,
	QEDF_IOREQ_EV_CLEANUP_SUCCESS,
	QEDF_IOREQ_EV_CLEANUP_FAILED,
};

#define FC_GOOD		0
#define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER	(0x1<<2)
#define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER	(0x1<<3)
#define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID	(0x1<<0)
#define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID	(0x1<<1)
struct qedf_ioreq {
	struct list_head link;
	uint16_t xid;
	struct scsi_cmnd *sc_cmd;
#define QEDF_SCSI_CMD		1
#define QEDF_TASK_MGMT_CMD	2
#define QEDF_ABTS		3
#define QEDF_ELS		4
#define QEDF_CLEANUP		5
#define QEDF_SEQ_CLEANUP	6
	u8 cmd_type;
#define QEDF_CMD_OUTSTANDING		0x0
#define QEDF_CMD_IN_ABORT		0x1
#define QEDF_CMD_IN_CLEANUP		0x2
#define QEDF_CMD_SRR_SENT		0x3
#define QEDF_CMD_DIRTY			0x4
#define QEDF_CMD_ERR_SCSI_DONE		0x5
	u8 io_req_flags;
	uint8_t tm_flags;
	u64 tm_lun;
	struct qedf_rport *fcport;
#define	QEDF_CMD_ST_INACTIVE		0
#define	QEDFC_CMD_ST_IO_ACTIVE		1
#define	QEDFC_CMD_ST_ABORT_ACTIVE	2
#define	QEDFC_CMD_ST_ABORT_ACTIVE_EH	3
#define	QEDFC_CMD_ST_CLEANUP_ACTIVE	4
#define	QEDFC_CMD_ST_CLEANUP_ACTIVE_EH	5
#define	QEDFC_CMD_ST_RRQ_ACTIVE		6
#define	QEDFC_CMD_ST_RRQ_WAIT		7
#define	QEDFC_CMD_ST_OXID_RETIRE_WAIT	8
#define	QEDFC_CMD_ST_TMF_ACTIVE		9
#define	QEDFC_CMD_ST_DRAIN_ACTIVE	10
#define	QEDFC_CMD_ST_CLEANED		11
#define	QEDFC_CMD_ST_ELS_ACTIVE		12
	atomic_t state;
	unsigned long flags;
	enum qedf_ioreq_event event;
	size_t data_xfer_len;
	/* ID: 001: Alloc cmd (qedf_alloc_cmd) */
	/* ID: 002: Initiate ABTS (qedf_initiate_abts) */
	/* ID: 003: For RRQ (qedf_process_abts_compl) */
	struct kref refcount;
	struct qedf_cmd_mgr *cmd_mgr;
	struct io_bdt *bd_tbl;
	struct delayed_work timeout_work;
	struct completion tm_done;
	struct completion abts_done;
	struct completion cleanup_done;
	struct fcoe_task_context *task;
	struct fcoe_task_params *task_params;
	struct scsi_sgl_task_params *sgl_task_params;
	int idx;
	int lun;
/*
 * Need to allocate enough room for both sense data and FCP response data
 * which has a max length of 8 bytes according to spec.
 */
#define QEDF_SCSI_SENSE_BUFFERSIZE	(SCSI_SENSE_BUFFERSIZE + 8)
	uint8_t *sense_buffer;
	dma_addr_t sense_buffer_dma;
	u32 fcp_resid;
	u32 fcp_rsp_len;
	u32 fcp_sns_len;
	u8 cdb_status;
	u8 fcp_status;
	u8 fcp_rsp_code;
	u8 scsi_comp_flags;
#define QEDF_MAX_REUSE		0xfff
	u16 reuse_count;
	struct qedf_mp_req mp_req;
	void (*cb_func)(struct qedf_els_cb_arg *cb_arg);
	struct qedf_els_cb_arg *cb_arg;
	int fp_idx;
	unsigned int cpu;
	unsigned int int_cpu;
#define QEDF_IOREQ_UNKNOWN_SGE		1
#define QEDF_IOREQ_SLOW_SGE		2
#define QEDF_IOREQ_FAST_SGE		3
	u8 sge_type;
	struct delayed_work rrq_work;

	/* Used for sequence level recovery; i.e. REC/SRR */
	uint32_t rx_buf_off;
	uint32_t tx_buf_off;
	uint32_t rx_id;
	uint32_t task_retry_identifier;

	/*
	 * Used to tell if we need to return a SCSI command
	 * during some form of error processing.
	 */
	bool return_scsi_cmd_on_abts;

	unsigned int alloc;
};

struct qedf_cmd_priv {
	struct qedf_ioreq *io_req;
};

static inline struct qedf_cmd_priv *qedf_priv(struct scsi_cmnd *cmd)
{
	return scsi_cmd_priv(cmd);
}

extern struct workqueue_struct *qedf_io_wq;

struct qedf_rport {
	spinlock_t rport_lock;
#define QEDF_RPORT_SESSION_READY 1
#define QEDF_RPORT_UPLOADING_CONNECTION	2
#define QEDF_RPORT_IN_RESET 3
#define QEDF_RPORT_IN_LUN_RESET 4
#define QEDF_RPORT_IN_TARGET_RESET 5
	unsigned long flags;
	int lun_reset_lun;
	unsigned long retry_delay_timestamp;
	struct fc_rport *rport;
	struct fc_rport_priv *rdata;
	struct qedf_ctx *qedf;
	u32 handle; /* Handle from qed */
	u32 fw_cid; /* fw_cid from qed */
	void __iomem *p_doorbell;
	/* Send queue management */
	atomic_t free_sqes;
	atomic_t ios_to_queue;
	atomic_t num_active_ios;
	struct fcoe_wqe *sq;
	dma_addr_t sq_dma;
	u16 sq_prod_idx;
	u16 fw_sq_prod_idx;
	u16 sq_con_idx;
	u32 sq_mem_size;
	void *sq_pbl;
	dma_addr_t sq_pbl_dma;
	u32 sq_pbl_size;
	u32 sid;
#define	QEDF_RPORT_TYPE_DISK		0
#define	QEDF_RPORT_TYPE_TAPE		1
	uint dev_type; /* Disk or tape */
	struct list_head peers;
};

/* Used to contain LL2 skb's in ll2_skb_list */
struct qedf_skb_work {
	struct work_struct work;
	struct sk_buff *skb;
	struct qedf_ctx *qedf;
};

struct qedf_fastpath {
#define	QEDF_SB_ID_NULL		0xffff
	u16		sb_id;
	struct qed_sb_info	*sb_info;
	struct qedf_ctx *qedf;
	/* Keep track of number of completions on this fastpath */
	unsigned long completions;
	uint32_t cq_num_entries;
};

/* Used to pass fastpath information needed to process CQEs */
struct qedf_io_work {
	struct work_struct work;
	struct fcoe_cqe cqe;
	struct qedf_ctx *qedf;
	struct fc_frame *fp;
};

struct qedf_glbl_q_params {
	u64	hw_p_cq;	/* Completion queue PBL */
	u64	hw_p_rq;	/* Request queue PBL */
	u64	hw_p_cmdq;	/* Command queue PBL */
};

struct global_queue {
	struct fcoe_cqe *cq;
	dma_addr_t cq_dma;
	u32 cq_mem_size;
	u32 cq_cons_idx; /* Completion queue consumer index */
	u32 cq_prod_idx;

	void *cq_pbl;
	dma_addr_t cq_pbl_dma;
	u32 cq_pbl_size;
};

/* I/O tracing entry */
#define QEDF_IO_TRACE_SIZE		2048
struct qedf_io_log {
#define QEDF_IO_TRACE_REQ		0
#define QEDF_IO_TRACE_RSP		1
	uint8_t direction;
	uint16_t task_id;
	uint32_t port_id; /* Remote port fabric ID */
	int lun;
	unsigned char op; /* SCSI CDB */
	uint8_t lba[4];
	unsigned int bufflen; /* SCSI buffer length */
	unsigned int sg_count; /* Number of SG elements */
	int result; /* Result passed back to mid-layer */
	unsigned long jiffies; /* Time stamp when I/O logged */
	int refcount; /* Reference count for task id */
	unsigned int req_cpu; /* CPU that the task is queued on */
	unsigned int int_cpu; /* Interrupt CPU that the task is received on */
	unsigned int rsp_cpu; /* CPU that task is returned on */
	u8 sge_type; /* Did we take the slow, single or fast SGE path */
};

/* Number of entries in BDQ */
#define QEDF_BDQ_SIZE			256
#define QEDF_BDQ_BUF_SIZE		2072

/* DMA coherent buffers for BDQ */
struct qedf_bdq_buf {
	void *buf_addr;
	dma_addr_t buf_dma;
};

/* Main adapter struct */
struct qedf_ctx {
	struct qedf_dbg_ctx dbg_ctx;
	struct fcoe_ctlr ctlr;
	struct fc_lport *lport;
	u8 data_src_addr[ETH_ALEN];
#define QEDF_LINK_DOWN		0
#define QEDF_LINK_UP		1
	atomic_t link_state;
#define QEDF_DCBX_PENDING	0
#define QEDF_DCBX_DONE		1
	atomic_t dcbx;
#define QEDF_NULL_VLAN_ID	-1
#define QEDF_FALLBACK_VLAN	1002
#define QEDF_DEFAULT_PRIO	3
	int vlan_id;
	u8 prio;
	struct qed_dev *cdev;
	struct qed_dev_fcoe_info dev_info;
	struct qed_int_info int_info;
	uint16_t last_command;
	spinlock_t hba_lock;
	struct pci_dev *pdev;
	u64 wwnn;
	u64 wwpn;
	u8 __aligned(16) mac[ETH_ALEN];
	struct list_head fcports;
	atomic_t num_offloads;
	unsigned int curr_conn_id;
	struct workqueue_struct *ll2_recv_wq;
	struct workqueue_struct *link_update_wq;
	struct devlink *devlink;
	struct delayed_work link_update;
	struct delayed_work link_recovery;
	struct completion flogi_compl;
	struct completion fipvlan_compl;

	/*
	 * Used to tell if we're in the window where we are waiting for
	 * the link to come back up before informting fcoe that the link is
	 * done.
	 */
	atomic_t link_down_tmo_valid;
#define QEDF_TIMER_INTERVAL		(1 * HZ)
	struct timer_list timer; /* One second book keeping timer */
#define QEDF_DRAIN_ACTIVE		1
#define QEDF_LL2_STARTED		2
#define QEDF_UNLOADING			3
#define QEDF_GRCDUMP_CAPTURE		4
#define QEDF_IN_RECOVERY		5
#define QEDF_DBG_STOP_IO		6
#define QEDF_PROBING			8
#define QEDF_STAG_IN_PROGRESS		9
	unsigned long flags; /* Miscellaneous state flags */
	int fipvlan_retries;
	u8 num_queues;
	struct global_queue **global_queues;
	/* Pointer to array of queue structures */
	struct qedf_glbl_q_params *p_cpuq;
	/* Physical address of array of queue structures */
	dma_addr_t hw_p_cpuq;

	struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE];
	void *bdq_pbl;
	dma_addr_t bdq_pbl_dma;
	size_t bdq_pbl_mem_size;
	void *bdq_pbl_list;
	dma_addr_t bdq_pbl_list_dma;
	u8 bdq_pbl_list_num_entries;
	void __iomem *bdq_primary_prod;
	void __iomem *bdq_secondary_prod;
	uint16_t bdq_prod_idx;

	/* Structure for holding all the fastpath for this qedf_ctx */
	struct qedf_fastpath *fp_array;
	struct qed_fcoe_tid tasks;
	struct qedf_cmd_mgr *cmd_mgr;
	/* Holds the PF parameters we pass to qed to start he FCoE function */
	struct qed_pf_params pf_params;
	/* Used to time middle path ELS and TM commands */
	struct workqueue_struct *timer_work_queue;

#define QEDF_IO_WORK_MIN		64
	mempool_t *io_mempool;
	struct workqueue_struct *dpc_wq;
	struct delayed_work recovery_work;
	struct delayed_work board_disable_work;
	struct delayed_work grcdump_work;
	struct delayed_work stag_work;

	u32 slow_sge_ios;
	u32 fast_sge_ios;

	uint8_t	*grcdump;
	uint32_t grcdump_size;

	struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE];
	spinlock_t io_trace_lock;
	uint16_t io_trace_idx;

	bool stop_io_on_error;

	u32 flogi_cnt;
	u32 flogi_failed;
	u32 flogi_pending;

	/* Used for fc statistics */
	struct mutex stats_mutex;
	u64 input_requests;
	u64 output_requests;
	u64 control_requests;
	u64 packet_aborts;
	u64 alloc_failures;
	u8 lun_resets;
	u8 target_resets;
	u8 task_set_fulls;
	u8 busy;
	/* Used for flush routine */
	struct mutex flush_mutex;
};

struct io_bdt {
	struct qedf_ioreq *io_req;
	struct scsi_sge *bd_tbl;
	dma_addr_t bd_tbl_dma;
	u16 bd_valid;
};

struct qedf_cmd_mgr {
	struct qedf_ctx *qedf;
	u16 idx;
	struct io_bdt **io_bdt_pool;
#define FCOE_PARAMS_NUM_TASKS		2048
	struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS];
	spinlock_t lock;
	atomic_t free_list_cnt;
};

/* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info
 * Usage:
 *
 * void *ptr;
 * ptr = qedf_get_task_mem(&qedf->tasks, 128);
 */
static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid)
{
	return (void *)(info->blocks[tid / info->num_tids_per_block] +
			(tid % info->num_tids_per_block) * info->size);
}

static inline void qedf_stop_all_io(struct qedf_ctx *qedf)
{
	set_bit(QEDF_DBG_STOP_IO, &qedf->flags);
}

/*
 * Externs
 */

/*
 * (QEDF_LOG_NPIV | QEDF_LOG_SESS | QEDF_LOG_LPORT | QEDF_LOG_ELS | QEDF_LOG_MQ
 * | QEDF_LOG_IO | QEDF_LOG_UNSOL | QEDF_LOG_SCSI_TM | QEDF_LOG_MP_REQ |
 * QEDF_LOG_EVT | QEDF_LOG_CONN | QEDF_LOG_DISC | QEDF_LOG_INFO)
 */
#define QEDF_DEFAULT_LOG_MASK		0x3CFB6
extern const struct qed_fcoe_ops *qed_ops;
extern uint qedf_dump_frames;
extern uint qedf_io_tracing;
extern uint qedf_stop_io_on_error;
extern uint qedf_link_down_tmo;
#define QEDF_RETRY_DELAY_MAX		600 /* 60 seconds */
extern bool qedf_retry_delay;
extern uint qedf_debug;

extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf);
extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr);
extern int qedf_queuecommand(struct Scsi_Host *host,
	struct scsi_cmnd *sc_cmd);
extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb);
extern u8 *qedf_get_src_mac(struct fc_lport *lport);
extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb);
extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf);
extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
	struct qedf_ioreq *io_req);
extern void qedf_process_warning_compl(struct qedf_ctx *qedf,
	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
extern void qedf_process_error_detect(struct qedf_ctx *qedf,
	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
extern void qedf_flush_active_ios(struct qedf_rport *fcport, u64 lun);
extern void qedf_release_cmd(struct kref *ref);
extern int qedf_initiate_abts(struct qedf_ioreq *io_req,
	bool return_scsi_cmd_on_abts);
extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
	struct qedf_ioreq *io_req);
extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport,
	u8 cmd_type);

extern const struct attribute_group *qedf_host_groups[];
extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
	unsigned int timer_msec);
extern int qedf_init_mp_req(struct qedf_ioreq *io_req);
extern void qedf_init_mp_task(struct qedf_ioreq *io_req,
	struct fcoe_task_context *task_ctx, struct fcoe_wqe *sqe);
extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport);
extern void qedf_ring_doorbell(struct qedf_rport *fcport);
extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
	struct qedf_ioreq *els_req);
extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req);
extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp);
extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req,
	bool return_scsi_cmd_on_abts);
extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf,
	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
extern int qedf_initiate_tmf(struct fc_rport *rport, u64 lun, u8 tm_flags);
extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
	struct qedf_ioreq *io_req);
extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe);
extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
	int result);
extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id);
extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf);
extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf);
extern void qedf_capture_grc_dump(struct qedf_ctx *qedf);
bool qedf_wait_for_upload(struct qedf_ctx *qedf);
extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx,
	struct fcoe_cqe *cqe);
extern void qedf_restart_rport(struct qedf_rport *fcport);
extern int qedf_send_rec(struct qedf_ioreq *orig_io_req);
extern int qedf_post_io_req(struct qedf_rport *fcport,
	struct qedf_ioreq *io_req);
extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf,
	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
extern int qedf_send_flogi(struct qedf_ctx *qedf);
extern void qedf_get_protocol_tlv_data(void *dev, void *data);
extern void qedf_fp_io_handler(struct work_struct *work);
extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data);
extern void qedf_wq_grcdump(struct work_struct *work);
void qedf_stag_change_work(struct work_struct *work);
void qedf_ctx_soft_reset(struct fc_lport *lport);
extern void qedf_schedule_hw_err_handler(void *dev,
		enum qed_hw_err_type err_type);

#define FCOE_WORD_TO_BYTE  4
#define QEDF_MAX_TASK_NUM	0xFFFF
#define QL45xxx			0x165C
#define QL41xxx			0x8080
#define MAX_CT_PAYLOAD		2048
#define DISCOVERED_PORTS	4
#define NUMBER_OF_PORTS		1

struct fip_vlan {
	struct ethhdr eth;
	struct fip_header fip;
	struct {
		struct fip_mac_desc mac;
		struct fip_wwn_desc wwnn;
	} desc;
};

/* SQ/CQ Sizes */
#define GBL_RSVD_TASKS			16
#define NUM_TASKS_PER_CONNECTION	1024
#define NUM_RW_TASKS_PER_CONNECTION	512
#define FCOE_PARAMS_CQ_NUM_ENTRIES	FCOE_PARAMS_NUM_TASKS

#define FCOE_PARAMS_CMDQ_NUM_ENTRIES	FCOE_PARAMS_NUM_TASKS
#define SQ_NUM_ENTRIES			NUM_TASKS_PER_CONNECTION

#define QEDF_FCOE_PARAMS_GL_RQ_PI              0
#define QEDF_FCOE_PARAMS_GL_CMD_PI             1

#define QEDF_READ                     (1 << 1)
#define QEDF_WRITE                    (1 << 0)
#define MAX_FIBRE_LUNS			0xffffffff

#define MIN_NUM_CPUS_MSIX(x)	min_t(u32, x->dev_info.num_cqs, \
					num_online_cpus())

/*
 * PCI function probe defines
 */
/* Probe/remove called during normal PCI probe */
#define	QEDF_MODE_NORMAL		0
/* Probe/remove called from qed error recovery */
#define QEDF_MODE_RECOVERY		1

#define SUPPORTED_25000baseKR_Full    (1<<27)
#define SUPPORTED_50000baseKR2_Full   (1<<28)
#define SUPPORTED_100000baseKR4_Full  (1<<29)
#define SUPPORTED_100000baseCR4_Full  (1<<30)

#endif