xref: /openbmc/linux/drivers/scsi/qedf/qedf.h (revision 74de3792)
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 FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID	(0x1<<0)
95 #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID	(0x1<<1)
96 struct 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 	struct qedf_rport *fcport;
116 #define	QEDF_CMD_ST_INACTIVE		0
117 #define	QEDFC_CMD_ST_IO_ACTIVE		1
118 #define	QEDFC_CMD_ST_ABORT_ACTIVE	2
119 #define	QEDFC_CMD_ST_ABORT_ACTIVE_EH	3
120 #define	QEDFC_CMD_ST_CLEANUP_ACTIVE	4
121 #define	QEDFC_CMD_ST_CLEANUP_ACTIVE_EH	5
122 #define	QEDFC_CMD_ST_RRQ_ACTIVE		6
123 #define	QEDFC_CMD_ST_RRQ_WAIT		7
124 #define	QEDFC_CMD_ST_OXID_RETIRE_WAIT	8
125 #define	QEDFC_CMD_ST_TMF_ACTIVE		9
126 #define	QEDFC_CMD_ST_DRAIN_ACTIVE	10
127 #define	QEDFC_CMD_ST_CLEANED		11
128 #define	QEDFC_CMD_ST_ELS_ACTIVE		12
129 	atomic_t state;
130 	unsigned long flags;
131 	enum qedf_ioreq_event event;
132 	size_t data_xfer_len;
133 	/* ID: 001: Alloc cmd (qedf_alloc_cmd) */
134 	/* ID: 002: Initiate ABTS (qedf_initiate_abts) */
135 	/* ID: 003: For RRQ (qedf_process_abts_compl) */
136 	struct kref refcount;
137 	struct qedf_cmd_mgr *cmd_mgr;
138 	struct io_bdt *bd_tbl;
139 	struct delayed_work timeout_work;
140 	struct completion tm_done;
141 	struct completion abts_done;
142 	struct completion cleanup_done;
143 	struct fcoe_task_context *task;
144 	struct fcoe_task_params *task_params;
145 	struct scsi_sgl_task_params *sgl_task_params;
146 	int idx;
147 	int lun;
148 /*
149  * Need to allocate enough room for both sense data and FCP response data
150  * which has a max length of 8 bytes according to spec.
151  */
152 #define QEDF_SCSI_SENSE_BUFFERSIZE	(SCSI_SENSE_BUFFERSIZE + 8)
153 	uint8_t *sense_buffer;
154 	dma_addr_t sense_buffer_dma;
155 	u32 fcp_resid;
156 	u32 fcp_rsp_len;
157 	u32 fcp_sns_len;
158 	u8 cdb_status;
159 	u8 fcp_status;
160 	u8 fcp_rsp_code;
161 	u8 scsi_comp_flags;
162 #define QEDF_MAX_REUSE		0xfff
163 	u16 reuse_count;
164 	struct qedf_mp_req mp_req;
165 	void (*cb_func)(struct qedf_els_cb_arg *cb_arg);
166 	struct qedf_els_cb_arg *cb_arg;
167 	int fp_idx;
168 	unsigned int cpu;
169 	unsigned int int_cpu;
170 #define QEDF_IOREQ_UNKNOWN_SGE		1
171 #define QEDF_IOREQ_SLOW_SGE		2
172 #define QEDF_IOREQ_FAST_SGE		3
173 	u8 sge_type;
174 	struct delayed_work rrq_work;
175 
176 	/* Used for sequence level recovery; i.e. REC/SRR */
177 	uint32_t rx_buf_off;
178 	uint32_t tx_buf_off;
179 	uint32_t rx_id;
180 	uint32_t task_retry_identifier;
181 
182 	/*
183 	 * Used to tell if we need to return a SCSI command
184 	 * during some form of error processing.
185 	 */
186 	bool return_scsi_cmd_on_abts;
187 
188 	unsigned int alloc;
189 };
190 
191 struct qedf_cmd_priv {
192 	struct qedf_ioreq *io_req;
193 };
194 
195 static inline struct qedf_cmd_priv *qedf_priv(struct scsi_cmnd *cmd)
196 {
197 	return scsi_cmd_priv(cmd);
198 }
199 
200 extern struct workqueue_struct *qedf_io_wq;
201 
202 struct qedf_rport {
203 	spinlock_t rport_lock;
204 #define QEDF_RPORT_SESSION_READY 1
205 #define QEDF_RPORT_UPLOADING_CONNECTION	2
206 #define QEDF_RPORT_IN_RESET 3
207 #define QEDF_RPORT_IN_LUN_RESET 4
208 #define QEDF_RPORT_IN_TARGET_RESET 5
209 	unsigned long flags;
210 	int lun_reset_lun;
211 	unsigned long retry_delay_timestamp;
212 	struct fc_rport *rport;
213 	struct fc_rport_priv *rdata;
214 	struct qedf_ctx *qedf;
215 	u32 handle; /* Handle from qed */
216 	u32 fw_cid; /* fw_cid from qed */
217 	void __iomem *p_doorbell;
218 	/* Send queue management */
219 	atomic_t free_sqes;
220 	atomic_t ios_to_queue;
221 	atomic_t num_active_ios;
222 	struct fcoe_wqe *sq;
223 	dma_addr_t sq_dma;
224 	u16 sq_prod_idx;
225 	u16 fw_sq_prod_idx;
226 	u16 sq_con_idx;
227 	u32 sq_mem_size;
228 	void *sq_pbl;
229 	dma_addr_t sq_pbl_dma;
230 	u32 sq_pbl_size;
231 	u32 sid;
232 #define	QEDF_RPORT_TYPE_DISK		0
233 #define	QEDF_RPORT_TYPE_TAPE		1
234 	uint dev_type; /* Disk or tape */
235 	struct list_head peers;
236 };
237 
238 /* Used to contain LL2 skb's in ll2_skb_list */
239 struct qedf_skb_work {
240 	struct work_struct work;
241 	struct sk_buff *skb;
242 	struct qedf_ctx *qedf;
243 };
244 
245 struct qedf_fastpath {
246 #define	QEDF_SB_ID_NULL		0xffff
247 	u16		sb_id;
248 	struct qed_sb_info	*sb_info;
249 	struct qedf_ctx *qedf;
250 	/* Keep track of number of completions on this fastpath */
251 	unsigned long completions;
252 	uint32_t cq_num_entries;
253 };
254 
255 /* Used to pass fastpath information needed to process CQEs */
256 struct qedf_io_work {
257 	struct work_struct work;
258 	struct fcoe_cqe cqe;
259 	struct qedf_ctx *qedf;
260 	struct fc_frame *fp;
261 };
262 
263 struct qedf_glbl_q_params {
264 	u64	hw_p_cq;	/* Completion queue PBL */
265 	u64	hw_p_rq;	/* Request queue PBL */
266 	u64	hw_p_cmdq;	/* Command queue PBL */
267 };
268 
269 struct global_queue {
270 	struct fcoe_cqe *cq;
271 	dma_addr_t cq_dma;
272 	u32 cq_mem_size;
273 	u32 cq_cons_idx; /* Completion queue consumer index */
274 	u32 cq_prod_idx;
275 
276 	void *cq_pbl;
277 	dma_addr_t cq_pbl_dma;
278 	u32 cq_pbl_size;
279 };
280 
281 /* I/O tracing entry */
282 #define QEDF_IO_TRACE_SIZE		2048
283 struct qedf_io_log {
284 #define QEDF_IO_TRACE_REQ		0
285 #define QEDF_IO_TRACE_RSP		1
286 	uint8_t direction;
287 	uint16_t task_id;
288 	uint32_t port_id; /* Remote port fabric ID */
289 	int lun;
290 	unsigned char op; /* SCSI CDB */
291 	uint8_t lba[4];
292 	unsigned int bufflen; /* SCSI buffer length */
293 	unsigned int sg_count; /* Number of SG elements */
294 	int result; /* Result passed back to mid-layer */
295 	unsigned long jiffies; /* Time stamp when I/O logged */
296 	int refcount; /* Reference count for task id */
297 	unsigned int req_cpu; /* CPU that the task is queued on */
298 	unsigned int int_cpu; /* Interrupt CPU that the task is received on */
299 	unsigned int rsp_cpu; /* CPU that task is returned on */
300 	u8 sge_type; /* Did we take the slow, single or fast SGE path */
301 };
302 
303 /* Number of entries in BDQ */
304 #define QEDF_BDQ_SIZE			256
305 #define QEDF_BDQ_BUF_SIZE		2072
306 
307 /* DMA coherent buffers for BDQ */
308 struct qedf_bdq_buf {
309 	void *buf_addr;
310 	dma_addr_t buf_dma;
311 };
312 
313 /* Main adapter struct */
314 struct qedf_ctx {
315 	struct qedf_dbg_ctx dbg_ctx;
316 	struct fcoe_ctlr ctlr;
317 	struct fc_lport *lport;
318 	u8 data_src_addr[ETH_ALEN];
319 #define QEDF_LINK_DOWN		0
320 #define QEDF_LINK_UP		1
321 	atomic_t link_state;
322 #define QEDF_DCBX_PENDING	0
323 #define QEDF_DCBX_DONE		1
324 	atomic_t dcbx;
325 #define QEDF_NULL_VLAN_ID	-1
326 #define QEDF_FALLBACK_VLAN	1002
327 #define QEDF_DEFAULT_PRIO	3
328 	int vlan_id;
329 	u8 prio;
330 	struct qed_dev *cdev;
331 	struct qed_dev_fcoe_info dev_info;
332 	struct qed_int_info int_info;
333 	uint16_t last_command;
334 	spinlock_t hba_lock;
335 	struct pci_dev *pdev;
336 	u64 wwnn;
337 	u64 wwpn;
338 	u8 __aligned(16) mac[ETH_ALEN];
339 	struct list_head fcports;
340 	atomic_t num_offloads;
341 	unsigned int curr_conn_id;
342 	struct workqueue_struct *ll2_recv_wq;
343 	struct workqueue_struct *link_update_wq;
344 	struct devlink *devlink;
345 	struct delayed_work link_update;
346 	struct delayed_work link_recovery;
347 	struct completion flogi_compl;
348 	struct completion fipvlan_compl;
349 
350 	/*
351 	 * Used to tell if we're in the window where we are waiting for
352 	 * the link to come back up before informting fcoe that the link is
353 	 * done.
354 	 */
355 	atomic_t link_down_tmo_valid;
356 #define QEDF_TIMER_INTERVAL		(1 * HZ)
357 	struct timer_list timer; /* One second book keeping timer */
358 #define QEDF_DRAIN_ACTIVE		1
359 #define QEDF_LL2_STARTED		2
360 #define QEDF_UNLOADING			3
361 #define QEDF_GRCDUMP_CAPTURE		4
362 #define QEDF_IN_RECOVERY		5
363 #define QEDF_DBG_STOP_IO		6
364 #define QEDF_PROBING			8
365 	unsigned long flags; /* Miscellaneous state flags */
366 	int fipvlan_retries;
367 	u8 num_queues;
368 	struct global_queue **global_queues;
369 	/* Pointer to array of queue structures */
370 	struct qedf_glbl_q_params *p_cpuq;
371 	/* Physical address of array of queue structures */
372 	dma_addr_t hw_p_cpuq;
373 
374 	struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE];
375 	void *bdq_pbl;
376 	dma_addr_t bdq_pbl_dma;
377 	size_t bdq_pbl_mem_size;
378 	void *bdq_pbl_list;
379 	dma_addr_t bdq_pbl_list_dma;
380 	u8 bdq_pbl_list_num_entries;
381 	void __iomem *bdq_primary_prod;
382 	void __iomem *bdq_secondary_prod;
383 	uint16_t bdq_prod_idx;
384 
385 	/* Structure for holding all the fastpath for this qedf_ctx */
386 	struct qedf_fastpath *fp_array;
387 	struct qed_fcoe_tid tasks;
388 	struct qedf_cmd_mgr *cmd_mgr;
389 	/* Holds the PF parameters we pass to qed to start he FCoE function */
390 	struct qed_pf_params pf_params;
391 	/* Used to time middle path ELS and TM commands */
392 	struct workqueue_struct *timer_work_queue;
393 
394 #define QEDF_IO_WORK_MIN		64
395 	mempool_t *io_mempool;
396 	struct workqueue_struct *dpc_wq;
397 	struct delayed_work recovery_work;
398 	struct delayed_work board_disable_work;
399 	struct delayed_work grcdump_work;
400 	struct delayed_work stag_work;
401 
402 	u32 slow_sge_ios;
403 	u32 fast_sge_ios;
404 
405 	uint8_t	*grcdump;
406 	uint32_t grcdump_size;
407 
408 	struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE];
409 	spinlock_t io_trace_lock;
410 	uint16_t io_trace_idx;
411 
412 	bool stop_io_on_error;
413 
414 	u32 flogi_cnt;
415 	u32 flogi_failed;
416 	u32 flogi_pending;
417 
418 	/* Used for fc statistics */
419 	struct mutex stats_mutex;
420 	u64 input_requests;
421 	u64 output_requests;
422 	u64 control_requests;
423 	u64 packet_aborts;
424 	u64 alloc_failures;
425 	u8 lun_resets;
426 	u8 target_resets;
427 	u8 task_set_fulls;
428 	u8 busy;
429 	/* Used for flush routine */
430 	struct mutex flush_mutex;
431 };
432 
433 struct io_bdt {
434 	struct qedf_ioreq *io_req;
435 	struct scsi_sge *bd_tbl;
436 	dma_addr_t bd_tbl_dma;
437 	u16 bd_valid;
438 };
439 
440 struct qedf_cmd_mgr {
441 	struct qedf_ctx *qedf;
442 	u16 idx;
443 	struct io_bdt **io_bdt_pool;
444 #define FCOE_PARAMS_NUM_TASKS		2048
445 	struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS];
446 	spinlock_t lock;
447 	atomic_t free_list_cnt;
448 };
449 
450 /* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info
451  * Usage:
452  *
453  * void *ptr;
454  * ptr = qedf_get_task_mem(&qedf->tasks, 128);
455  */
456 static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid)
457 {
458 	return (void *)(info->blocks[tid / info->num_tids_per_block] +
459 			(tid % info->num_tids_per_block) * info->size);
460 }
461 
462 static inline void qedf_stop_all_io(struct qedf_ctx *qedf)
463 {
464 	set_bit(QEDF_DBG_STOP_IO, &qedf->flags);
465 }
466 
467 /*
468  * Externs
469  */
470 
471 /*
472  * (QEDF_LOG_NPIV | QEDF_LOG_SESS | QEDF_LOG_LPORT | QEDF_LOG_ELS | QEDF_LOG_MQ
473  * | QEDF_LOG_IO | QEDF_LOG_UNSOL | QEDF_LOG_SCSI_TM | QEDF_LOG_MP_REQ |
474  * QEDF_LOG_EVT | QEDF_LOG_CONN | QEDF_LOG_DISC | QEDF_LOG_INFO)
475  */
476 #define QEDF_DEFAULT_LOG_MASK		0x3CFB6
477 extern const struct qed_fcoe_ops *qed_ops;
478 extern uint qedf_dump_frames;
479 extern uint qedf_io_tracing;
480 extern uint qedf_stop_io_on_error;
481 extern uint qedf_link_down_tmo;
482 #define QEDF_RETRY_DELAY_MAX		600 /* 60 seconds */
483 extern bool qedf_retry_delay;
484 extern uint qedf_debug;
485 
486 extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf);
487 extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr);
488 extern int qedf_queuecommand(struct Scsi_Host *host,
489 	struct scsi_cmnd *sc_cmd);
490 extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb);
491 extern u8 *qedf_get_src_mac(struct fc_lport *lport);
492 extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb);
493 extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf);
494 extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
495 	struct qedf_ioreq *io_req);
496 extern void qedf_process_warning_compl(struct qedf_ctx *qedf,
497 	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
498 extern void qedf_process_error_detect(struct qedf_ctx *qedf,
499 	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
500 extern void qedf_flush_active_ios(struct qedf_rport *fcport, int lun);
501 extern void qedf_release_cmd(struct kref *ref);
502 extern int qedf_initiate_abts(struct qedf_ioreq *io_req,
503 	bool return_scsi_cmd_on_abts);
504 extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
505 	struct qedf_ioreq *io_req);
506 extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport,
507 	u8 cmd_type);
508 
509 extern const struct attribute_group *qedf_host_groups[];
510 extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
511 	unsigned int timer_msec);
512 extern int qedf_init_mp_req(struct qedf_ioreq *io_req);
513 extern void qedf_init_mp_task(struct qedf_ioreq *io_req,
514 	struct fcoe_task_context *task_ctx, struct fcoe_wqe *sqe);
515 extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport);
516 extern void qedf_ring_doorbell(struct qedf_rport *fcport);
517 extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
518 	struct qedf_ioreq *els_req);
519 extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req);
520 extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp);
521 extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req,
522 	bool return_scsi_cmd_on_abts);
523 extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf,
524 	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
525 extern int qedf_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags);
526 extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
527 	struct qedf_ioreq *io_req);
528 extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe);
529 extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
530 	int result);
531 extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id);
532 extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf);
533 extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf);
534 extern void qedf_capture_grc_dump(struct qedf_ctx *qedf);
535 bool qedf_wait_for_upload(struct qedf_ctx *qedf);
536 extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx,
537 	struct fcoe_cqe *cqe);
538 extern void qedf_restart_rport(struct qedf_rport *fcport);
539 extern int qedf_send_rec(struct qedf_ioreq *orig_io_req);
540 extern int qedf_post_io_req(struct qedf_rport *fcport,
541 	struct qedf_ioreq *io_req);
542 extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf,
543 	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
544 extern int qedf_send_flogi(struct qedf_ctx *qedf);
545 extern void qedf_get_protocol_tlv_data(void *dev, void *data);
546 extern void qedf_fp_io_handler(struct work_struct *work);
547 extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data);
548 extern void qedf_wq_grcdump(struct work_struct *work);
549 void qedf_stag_change_work(struct work_struct *work);
550 void qedf_ctx_soft_reset(struct fc_lport *lport);
551 extern void qedf_board_disable_work(struct work_struct *work);
552 extern void qedf_schedule_hw_err_handler(void *dev,
553 		enum qed_hw_err_type err_type);
554 
555 #define FCOE_WORD_TO_BYTE  4
556 #define QEDF_MAX_TASK_NUM	0xFFFF
557 #define QL45xxx			0x165C
558 #define QL41xxx			0x8080
559 #define MAX_CT_PAYLOAD		2048
560 #define DISCOVERED_PORTS	4
561 #define NUMBER_OF_PORTS		1
562 
563 struct fip_vlan {
564 	struct ethhdr eth;
565 	struct fip_header fip;
566 	struct {
567 		struct fip_mac_desc mac;
568 		struct fip_wwn_desc wwnn;
569 	} desc;
570 };
571 
572 /* SQ/CQ Sizes */
573 #define GBL_RSVD_TASKS			16
574 #define NUM_TASKS_PER_CONNECTION	1024
575 #define NUM_RW_TASKS_PER_CONNECTION	512
576 #define FCOE_PARAMS_CQ_NUM_ENTRIES	FCOE_PARAMS_NUM_TASKS
577 
578 #define FCOE_PARAMS_CMDQ_NUM_ENTRIES	FCOE_PARAMS_NUM_TASKS
579 #define SQ_NUM_ENTRIES			NUM_TASKS_PER_CONNECTION
580 
581 #define QEDF_FCOE_PARAMS_GL_RQ_PI              0
582 #define QEDF_FCOE_PARAMS_GL_CMD_PI             1
583 
584 #define QEDF_READ                     (1 << 1)
585 #define QEDF_WRITE                    (1 << 0)
586 #define MAX_FIBRE_LUNS			0xffffffff
587 
588 #define MIN_NUM_CPUS_MSIX(x)	min_t(u32, x->dev_info.num_cqs, \
589 					num_online_cpus())
590 
591 /*
592  * PCI function probe defines
593  */
594 /* Probe/remove called during normal PCI probe */
595 #define	QEDF_MODE_NORMAL		0
596 /* Probe/remove called from qed error recovery */
597 #define QEDF_MODE_RECOVERY		1
598 
599 #define SUPPORTED_25000baseKR_Full    (1<<27)
600 #define SUPPORTED_50000baseKR2_Full   (1<<28)
601 #define SUPPORTED_100000baseKR4_Full  (1<<29)
602 #define SUPPORTED_100000baseCR4_Full  (1<<30)
603 
604 #endif
605