xref: /linux/drivers/scsi/qedf/qedf.h (revision 14340de506c9aa08baa9540ee6250c9d978c16b7)
1 /*
2  *  QLogic FCoE Offload Driver
3  *  Copyright (c) 2016-2018 Cavium Inc.
4  *
5  *  This software is available under the terms of the GNU General Public License
6  *  (GPL) Version 2, available from the file COPYING in the main directory of
7  *  this source tree.
8  */
9 #ifndef _QEDFC_H_
10 #define _QEDFC_H_
11 
12 #include <scsi/libfcoe.h>
13 #include <scsi/libfc.h>
14 #include <scsi/fc/fc_fip.h>
15 #include <scsi/fc/fc_fc2.h>
16 #include <scsi/scsi_tcq.h>
17 #include <scsi/fc_encode.h>
18 #include <linux/version.h>
19 
20 
21 /* qedf_hsi.h needs to before included any qed includes */
22 #include "qedf_hsi.h"
23 
24 #include <linux/qed/qed_if.h>
25 #include <linux/qed/qed_fcoe_if.h>
26 #include <linux/qed/qed_ll2_if.h>
27 #include "qedf_version.h"
28 #include "qedf_dbg.h"
29 #include "drv_fcoe_fw_funcs.h"
30 
31 /* Helpers to extract upper and lower 32-bits of pointer */
32 #define U64_HI(val) ((u32)(((u64)(val)) >> 32))
33 #define U64_LO(val) ((u32)(((u64)(val)) & 0xffffffff))
34 
35 #define QEDF_DESCR "QLogic FCoE Offload Driver"
36 #define QEDF_MODULE_NAME "qedf"
37 
38 #define QEDF_FLOGI_RETRY_CNT	3
39 #define QEDF_RPORT_RETRY_CNT	255
40 #define QEDF_MAX_SESSIONS	1024
41 #define QEDF_MAX_PAYLOAD	2048
42 #define QEDF_MAX_BDS_PER_CMD	256
43 #define QEDF_MAX_BD_LEN		0xffff
44 #define QEDF_BD_SPLIT_SZ	0x1000
45 #define QEDF_PAGE_SIZE		4096
46 #define QED_HW_DMA_BOUNDARY     0xfff
47 #define QEDF_MAX_SGLEN_FOR_CACHESGL		((1U << 16) - 1)
48 #define QEDF_MFS		(QEDF_MAX_PAYLOAD + \
49 	sizeof(struct fc_frame_header))
50 #define QEDF_MAX_NPIV		64
51 #define QEDF_TM_TIMEOUT		10
52 #define QEDF_ABORT_TIMEOUT	(10 * 1000)
53 #define QEDF_CLEANUP_TIMEOUT	1
54 #define QEDF_MAX_CDB_LEN	16
55 
56 #define UPSTREAM_REMOVE		1
57 #define UPSTREAM_KEEP		1
58 
59 struct qedf_mp_req {
60 	uint32_t req_len;
61 	void *req_buf;
62 	dma_addr_t req_buf_dma;
63 	struct scsi_sge *mp_req_bd;
64 	dma_addr_t mp_req_bd_dma;
65 	struct fc_frame_header req_fc_hdr;
66 
67 	uint32_t resp_len;
68 	void *resp_buf;
69 	dma_addr_t resp_buf_dma;
70 	struct scsi_sge *mp_resp_bd;
71 	dma_addr_t mp_resp_bd_dma;
72 	struct fc_frame_header resp_fc_hdr;
73 };
74 
75 struct qedf_els_cb_arg {
76 	struct qedf_ioreq *aborted_io_req;
77 	struct qedf_ioreq *io_req;
78 	u8 op; /* Used to keep track of ELS op */
79 	uint16_t l2_oxid;
80 	u32 offset; /* Used for sequence cleanup */
81 	u8 r_ctl; /* Used for sequence cleanup */
82 };
83 
84 enum qedf_ioreq_event {
85 	QEDF_IOREQ_EV_NONE,
86 	QEDF_IOREQ_EV_ABORT_SUCCESS,
87 	QEDF_IOREQ_EV_ABORT_FAILED,
88 	QEDF_IOREQ_EV_SEND_RRQ,
89 	QEDF_IOREQ_EV_ELS_TMO,
90 	QEDF_IOREQ_EV_ELS_ERR_DETECT,
91 	QEDF_IOREQ_EV_ELS_FLUSH,
92 	QEDF_IOREQ_EV_CLEANUP_SUCCESS,
93 	QEDF_IOREQ_EV_CLEANUP_FAILED,
94 };
95 
96 #define FC_GOOD		0
97 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER	(0x1<<2)
98 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER	(0x1<<3)
99 #define CMD_SCSI_STATUS(Cmnd)			((Cmnd)->SCp.Status)
100 #define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID	(0x1<<0)
101 #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID	(0x1<<1)
102 struct qedf_ioreq {
103 	struct list_head link;
104 	uint16_t xid;
105 	struct scsi_cmnd *sc_cmd;
106 #define QEDF_SCSI_CMD		1
107 #define QEDF_TASK_MGMT_CMD	2
108 #define QEDF_ABTS		3
109 #define QEDF_ELS		4
110 #define QEDF_CLEANUP		5
111 #define QEDF_SEQ_CLEANUP	6
112 	u8 cmd_type;
113 #define QEDF_CMD_OUTSTANDING		0x0
114 #define QEDF_CMD_IN_ABORT		0x1
115 #define QEDF_CMD_IN_CLEANUP		0x2
116 #define QEDF_CMD_SRR_SENT		0x3
117 #define QEDF_CMD_DIRTY			0x4
118 #define QEDF_CMD_ERR_SCSI_DONE		0x5
119 	u8 io_req_flags;
120 	uint8_t tm_flags;
121 	struct qedf_rport *fcport;
122 #define	QEDF_CMD_ST_INACTIVE		0
123 #define	QEDFC_CMD_ST_IO_ACTIVE		1
124 #define	QEDFC_CMD_ST_ABORT_ACTIVE	2
125 #define	QEDFC_CMD_ST_ABORT_ACTIVE_EH	3
126 #define	QEDFC_CMD_ST_CLEANUP_ACTIVE	4
127 #define	QEDFC_CMD_ST_CLEANUP_ACTIVE_EH	5
128 #define	QEDFC_CMD_ST_RRQ_ACTIVE		6
129 #define	QEDFC_CMD_ST_RRQ_WAIT		7
130 #define	QEDFC_CMD_ST_OXID_RETIRE_WAIT	8
131 #define	QEDFC_CMD_ST_TMF_ACTIVE		9
132 #define	QEDFC_CMD_ST_DRAIN_ACTIVE	10
133 #define	QEDFC_CMD_ST_CLEANED		11
134 #define	QEDFC_CMD_ST_ELS_ACTIVE		12
135 	atomic_t state;
136 	unsigned long flags;
137 	enum qedf_ioreq_event event;
138 	size_t data_xfer_len;
139 	/* ID: 001: Alloc cmd (qedf_alloc_cmd) */
140 	/* ID: 002: Initiate ABTS (qedf_initiate_abts) */
141 	/* ID: 003: For RRQ (qedf_process_abts_compl) */
142 	struct kref refcount;
143 	struct qedf_cmd_mgr *cmd_mgr;
144 	struct io_bdt *bd_tbl;
145 	struct delayed_work timeout_work;
146 	struct completion tm_done;
147 	struct completion abts_done;
148 	struct completion cleanup_done;
149 	struct e4_fcoe_task_context *task;
150 	struct fcoe_task_params *task_params;
151 	struct scsi_sgl_task_params *sgl_task_params;
152 	int idx;
153 	int lun;
154 /*
155  * Need to allocate enough room for both sense data and FCP response data
156  * which has a max length of 8 bytes according to spec.
157  */
158 #define QEDF_SCSI_SENSE_BUFFERSIZE	(SCSI_SENSE_BUFFERSIZE + 8)
159 	uint8_t *sense_buffer;
160 	dma_addr_t sense_buffer_dma;
161 	u32 fcp_resid;
162 	u32 fcp_rsp_len;
163 	u32 fcp_sns_len;
164 	u8 cdb_status;
165 	u8 fcp_status;
166 	u8 fcp_rsp_code;
167 	u8 scsi_comp_flags;
168 #define QEDF_MAX_REUSE		0xfff
169 	u16 reuse_count;
170 	struct qedf_mp_req mp_req;
171 	void (*cb_func)(struct qedf_els_cb_arg *cb_arg);
172 	struct qedf_els_cb_arg *cb_arg;
173 	int fp_idx;
174 	unsigned int cpu;
175 	unsigned int int_cpu;
176 #define QEDF_IOREQ_UNKNOWN_SGE		1
177 #define QEDF_IOREQ_SLOW_SGE		2
178 #define QEDF_IOREQ_FAST_SGE		3
179 	u8 sge_type;
180 	struct delayed_work rrq_work;
181 
182 	/* Used for sequence level recovery; i.e. REC/SRR */
183 	uint32_t rx_buf_off;
184 	uint32_t tx_buf_off;
185 	uint32_t rx_id;
186 	uint32_t task_retry_identifier;
187 
188 	/*
189 	 * Used to tell if we need to return a SCSI command
190 	 * during some form of error processing.
191 	 */
192 	bool return_scsi_cmd_on_abts;
193 
194 	unsigned int alloc;
195 };
196 
197 extern struct workqueue_struct *qedf_io_wq;
198 
199 struct qedf_rport {
200 	spinlock_t rport_lock;
201 #define QEDF_RPORT_SESSION_READY 1
202 #define QEDF_RPORT_UPLOADING_CONNECTION	2
203 #define QEDF_RPORT_IN_RESET 3
204 #define QEDF_RPORT_IN_LUN_RESET 4
205 #define QEDF_RPORT_IN_TARGET_RESET 5
206 	unsigned long flags;
207 	int lun_reset_lun;
208 	unsigned long retry_delay_timestamp;
209 	struct fc_rport *rport;
210 	struct fc_rport_priv *rdata;
211 	struct qedf_ctx *qedf;
212 	u32 handle; /* Handle from qed */
213 	u32 fw_cid; /* fw_cid from qed */
214 	void __iomem *p_doorbell;
215 	/* Send queue management */
216 	atomic_t free_sqes;
217 	atomic_t ios_to_queue;
218 	atomic_t num_active_ios;
219 	struct fcoe_wqe *sq;
220 	dma_addr_t sq_dma;
221 	u16 sq_prod_idx;
222 	u16 fw_sq_prod_idx;
223 	u16 sq_con_idx;
224 	u32 sq_mem_size;
225 	void *sq_pbl;
226 	dma_addr_t sq_pbl_dma;
227 	u32 sq_pbl_size;
228 	u32 sid;
229 #define	QEDF_RPORT_TYPE_DISK		0
230 #define	QEDF_RPORT_TYPE_TAPE		1
231 	uint dev_type; /* Disk or tape */
232 	struct list_head peers;
233 };
234 
235 /* Used to contain LL2 skb's in ll2_skb_list */
236 struct qedf_skb_work {
237 	struct work_struct work;
238 	struct sk_buff *skb;
239 	struct qedf_ctx *qedf;
240 };
241 
242 struct qedf_fastpath {
243 #define	QEDF_SB_ID_NULL		0xffff
244 	u16		sb_id;
245 	struct qed_sb_info	*sb_info;
246 	struct qedf_ctx *qedf;
247 	/* Keep track of number of completions on this fastpath */
248 	unsigned long completions;
249 	uint32_t cq_num_entries;
250 };
251 
252 /* Used to pass fastpath information needed to process CQEs */
253 struct qedf_io_work {
254 	struct work_struct work;
255 	struct fcoe_cqe cqe;
256 	struct qedf_ctx *qedf;
257 	struct fc_frame *fp;
258 };
259 
260 struct qedf_glbl_q_params {
261 	u64	hw_p_cq;	/* Completion queue PBL */
262 	u64	hw_p_rq;	/* Request queue PBL */
263 	u64	hw_p_cmdq;	/* Command queue PBL */
264 };
265 
266 struct global_queue {
267 	struct fcoe_cqe *cq;
268 	dma_addr_t cq_dma;
269 	u32 cq_mem_size;
270 	u32 cq_cons_idx; /* Completion queue consumer index */
271 	u32 cq_prod_idx;
272 
273 	void *cq_pbl;
274 	dma_addr_t cq_pbl_dma;
275 	u32 cq_pbl_size;
276 };
277 
278 /* I/O tracing entry */
279 #define QEDF_IO_TRACE_SIZE		2048
280 struct qedf_io_log {
281 #define QEDF_IO_TRACE_REQ		0
282 #define QEDF_IO_TRACE_RSP		1
283 	uint8_t direction;
284 	uint16_t task_id;
285 	uint32_t port_id; /* Remote port fabric ID */
286 	int lun;
287 	unsigned char op; /* SCSI CDB */
288 	uint8_t lba[4];
289 	unsigned int bufflen; /* SCSI buffer length */
290 	unsigned int sg_count; /* Number of SG elements */
291 	int result; /* Result passed back to mid-layer */
292 	unsigned long jiffies; /* Time stamp when I/O logged */
293 	int refcount; /* Reference count for task id */
294 	unsigned int req_cpu; /* CPU that the task is queued on */
295 	unsigned int int_cpu; /* Interrupt CPU that the task is received on */
296 	unsigned int rsp_cpu; /* CPU that task is returned on */
297 	u8 sge_type; /* Did we take the slow, single or fast SGE path */
298 };
299 
300 /* Number of entries in BDQ */
301 #define QEDF_BDQ_SIZE			256
302 #define QEDF_BDQ_BUF_SIZE		2072
303 
304 /* DMA coherent buffers for BDQ */
305 struct qedf_bdq_buf {
306 	void *buf_addr;
307 	dma_addr_t buf_dma;
308 };
309 
310 /* Main adapter struct */
311 struct qedf_ctx {
312 	struct qedf_dbg_ctx dbg_ctx;
313 	struct fcoe_ctlr ctlr;
314 	struct fc_lport *lport;
315 	u8 data_src_addr[ETH_ALEN];
316 #define QEDF_LINK_DOWN		0
317 #define QEDF_LINK_UP		1
318 	atomic_t link_state;
319 #define QEDF_DCBX_PENDING	0
320 #define QEDF_DCBX_DONE		1
321 	atomic_t dcbx;
322 #define QEDF_NULL_VLAN_ID	-1
323 #define QEDF_FALLBACK_VLAN	1002
324 #define QEDF_DEFAULT_PRIO	3
325 	int vlan_id;
326 	u8 prio;
327 	struct qed_dev *cdev;
328 	struct qed_dev_fcoe_info dev_info;
329 	struct qed_int_info int_info;
330 	uint16_t last_command;
331 	spinlock_t hba_lock;
332 	struct pci_dev *pdev;
333 	u64 wwnn;
334 	u64 wwpn;
335 	u8 __aligned(16) mac[ETH_ALEN];
336 	struct list_head fcports;
337 	atomic_t num_offloads;
338 	unsigned int curr_conn_id;
339 	struct workqueue_struct *ll2_recv_wq;
340 	struct workqueue_struct *link_update_wq;
341 	struct delayed_work link_update;
342 	struct delayed_work link_recovery;
343 	struct completion flogi_compl;
344 	struct completion fipvlan_compl;
345 
346 	/*
347 	 * Used to tell if we're in the window where we are waiting for
348 	 * the link to come back up before informting fcoe that the link is
349 	 * done.
350 	 */
351 	atomic_t link_down_tmo_valid;
352 #define QEDF_TIMER_INTERVAL		(1 * HZ)
353 	struct timer_list timer; /* One second book keeping timer */
354 #define QEDF_DRAIN_ACTIVE		1
355 #define QEDF_LL2_STARTED		2
356 #define QEDF_UNLOADING			3
357 #define QEDF_GRCDUMP_CAPTURE		4
358 #define QEDF_IN_RECOVERY		5
359 #define QEDF_DBG_STOP_IO		6
360 	unsigned long flags; /* Miscellaneous state flags */
361 	int fipvlan_retries;
362 	u8 num_queues;
363 	struct global_queue **global_queues;
364 	/* Pointer to array of queue structures */
365 	struct qedf_glbl_q_params *p_cpuq;
366 	/* Physical address of array of queue structures */
367 	dma_addr_t hw_p_cpuq;
368 
369 	struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE];
370 	void *bdq_pbl;
371 	dma_addr_t bdq_pbl_dma;
372 	size_t bdq_pbl_mem_size;
373 	void *bdq_pbl_list;
374 	dma_addr_t bdq_pbl_list_dma;
375 	u8 bdq_pbl_list_num_entries;
376 	void __iomem *bdq_primary_prod;
377 	void __iomem *bdq_secondary_prod;
378 	uint16_t bdq_prod_idx;
379 
380 	/* Structure for holding all the fastpath for this qedf_ctx */
381 	struct qedf_fastpath *fp_array;
382 	struct qed_fcoe_tid tasks;
383 	struct qedf_cmd_mgr *cmd_mgr;
384 	/* Holds the PF parameters we pass to qed to start he FCoE function */
385 	struct qed_pf_params pf_params;
386 	/* Used to time middle path ELS and TM commands */
387 	struct workqueue_struct *timer_work_queue;
388 
389 #define QEDF_IO_WORK_MIN		64
390 	mempool_t *io_mempool;
391 	struct workqueue_struct *dpc_wq;
392 	struct delayed_work grcdump_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 
409 	/* Used for fc statistics */
410 	struct mutex stats_mutex;
411 	u64 input_requests;
412 	u64 output_requests;
413 	u64 control_requests;
414 	u64 packet_aborts;
415 	u64 alloc_failures;
416 	u8 lun_resets;
417 	u8 target_resets;
418 	u8 task_set_fulls;
419 	u8 busy;
420 	/* Used for flush routine */
421 	struct mutex flush_mutex;
422 };
423 
424 struct io_bdt {
425 	struct qedf_ioreq *io_req;
426 	struct scsi_sge *bd_tbl;
427 	dma_addr_t bd_tbl_dma;
428 	u16 bd_valid;
429 };
430 
431 struct qedf_cmd_mgr {
432 	struct qedf_ctx *qedf;
433 	u16 idx;
434 	struct io_bdt **io_bdt_pool;
435 #define FCOE_PARAMS_NUM_TASKS		2048
436 	struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS];
437 	spinlock_t lock;
438 	atomic_t free_list_cnt;
439 };
440 
441 /* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info
442  * Usage:
443  *
444  * void *ptr;
445  * ptr = qedf_get_task_mem(&qedf->tasks, 128);
446  */
447 static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid)
448 {
449 	return (void *)(info->blocks[tid / info->num_tids_per_block] +
450 			(tid % info->num_tids_per_block) * info->size);
451 }
452 
453 static inline void qedf_stop_all_io(struct qedf_ctx *qedf)
454 {
455 	set_bit(QEDF_DBG_STOP_IO, &qedf->flags);
456 }
457 
458 /*
459  * Externs
460  */
461 
462 /*
463  * (QEDF_LOG_NPIV | QEDF_LOG_SESS | QEDF_LOG_LPORT | QEDF_LOG_ELS | QEDF_LOG_MQ
464  * | QEDF_LOG_IO | QEDF_LOG_UNSOL | QEDF_LOG_SCSI_TM | QEDF_LOG_MP_REQ |
465  * QEDF_LOG_EVT | QEDF_LOG_CONN | QEDF_LOG_DISC | QEDF_LOG_INFO)
466  */
467 #define QEDF_DEFAULT_LOG_MASK		0x3CFB6
468 extern const struct qed_fcoe_ops *qed_ops;
469 extern uint qedf_dump_frames;
470 extern uint qedf_io_tracing;
471 extern uint qedf_stop_io_on_error;
472 extern uint qedf_link_down_tmo;
473 #define QEDF_RETRY_DELAY_MAX		20 /* 2 seconds */
474 extern bool qedf_retry_delay;
475 extern uint qedf_debug;
476 
477 extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf);
478 extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr);
479 extern int qedf_queuecommand(struct Scsi_Host *host,
480 	struct scsi_cmnd *sc_cmd);
481 extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb);
482 extern u8 *qedf_get_src_mac(struct fc_lport *lport);
483 extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb);
484 extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf);
485 extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
486 	struct qedf_ioreq *io_req);
487 extern void qedf_process_warning_compl(struct qedf_ctx *qedf,
488 	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
489 extern void qedf_process_error_detect(struct qedf_ctx *qedf,
490 	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
491 extern void qedf_flush_active_ios(struct qedf_rport *fcport, int lun);
492 extern void qedf_release_cmd(struct kref *ref);
493 extern int qedf_initiate_abts(struct qedf_ioreq *io_req,
494 	bool return_scsi_cmd_on_abts);
495 extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
496 	struct qedf_ioreq *io_req);
497 extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport,
498 	u8 cmd_type);
499 
500 extern struct device_attribute *qedf_host_attrs[];
501 extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
502 	unsigned int timer_msec);
503 extern int qedf_init_mp_req(struct qedf_ioreq *io_req);
504 extern void qedf_init_mp_task(struct qedf_ioreq *io_req,
505 	struct e4_fcoe_task_context *task_ctx, struct fcoe_wqe *sqe);
506 extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport);
507 extern void qedf_ring_doorbell(struct qedf_rport *fcport);
508 extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
509 	struct qedf_ioreq *els_req);
510 extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req);
511 extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp);
512 extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req,
513 	bool return_scsi_cmd_on_abts);
514 extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf,
515 	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
516 extern int qedf_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags);
517 extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
518 	struct qedf_ioreq *io_req);
519 extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe);
520 extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
521 	int result);
522 extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id);
523 extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf);
524 extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf);
525 extern void qedf_capture_grc_dump(struct qedf_ctx *qedf);
526 bool qedf_wait_for_upload(struct qedf_ctx *qedf);
527 extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx,
528 	struct fcoe_cqe *cqe);
529 extern void qedf_restart_rport(struct qedf_rport *fcport);
530 extern int qedf_send_rec(struct qedf_ioreq *orig_io_req);
531 extern int qedf_post_io_req(struct qedf_rport *fcport,
532 	struct qedf_ioreq *io_req);
533 extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf,
534 	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
535 extern int qedf_send_flogi(struct qedf_ctx *qedf);
536 extern void qedf_get_protocol_tlv_data(void *dev, void *data);
537 extern void qedf_fp_io_handler(struct work_struct *work);
538 extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data);
539 extern void qedf_wq_grcdump(struct work_struct *work);
540 void qedf_stag_change_work(struct work_struct *work);
541 void qedf_ctx_soft_reset(struct fc_lport *lport);
542 
543 #define FCOE_WORD_TO_BYTE  4
544 #define QEDF_MAX_TASK_NUM	0xFFFF
545 
546 struct fip_vlan {
547 	struct ethhdr eth;
548 	struct fip_header fip;
549 	struct {
550 		struct fip_mac_desc mac;
551 		struct fip_wwn_desc wwnn;
552 	} desc;
553 };
554 
555 /* SQ/CQ Sizes */
556 #define GBL_RSVD_TASKS			16
557 #define NUM_TASKS_PER_CONNECTION	1024
558 #define NUM_RW_TASKS_PER_CONNECTION	512
559 #define FCOE_PARAMS_CQ_NUM_ENTRIES	FCOE_PARAMS_NUM_TASKS
560 
561 #define FCOE_PARAMS_CMDQ_NUM_ENTRIES	FCOE_PARAMS_NUM_TASKS
562 #define SQ_NUM_ENTRIES			NUM_TASKS_PER_CONNECTION
563 
564 #define QEDF_FCOE_PARAMS_GL_RQ_PI              0
565 #define QEDF_FCOE_PARAMS_GL_CMD_PI             1
566 
567 #define QEDF_READ                     (1 << 1)
568 #define QEDF_WRITE                    (1 << 0)
569 #define MAX_FIBRE_LUNS			0xffffffff
570 
571 #define MIN_NUM_CPUS_MSIX(x)	min_t(u32, x->dev_info.num_cqs, \
572 					num_online_cpus())
573 
574 /*
575  * PCI function probe defines
576  */
577 /* Probe/remove called during normal PCI probe */
578 #define	QEDF_MODE_NORMAL		0
579 /* Probe/remove called from qed error recovery */
580 #define QEDF_MODE_RECOVERY		1
581 
582 #define SUPPORTED_25000baseKR_Full    (1<<27)
583 #define SUPPORTED_50000baseKR2_Full   (1<<28)
584 #define SUPPORTED_100000baseKR4_Full  (1<<29)
585 #define SUPPORTED_100000baseCR4_Full  (1<<30)
586 
587 #endif
588