xref: /openbmc/linux/drivers/scsi/qedf/qedf.h (revision 6d99a79c)
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_MIN_XID		0
39 #define QEDF_MAX_SCSI_XID	(NUM_TASKS_PER_CONNECTION - 1)
40 #define QEDF_MAX_ELS_XID	4095
41 #define QEDF_FLOGI_RETRY_CNT	3
42 #define QEDF_RPORT_RETRY_CNT	255
43 #define QEDF_MAX_SESSIONS	1024
44 #define QEDF_MAX_PAYLOAD	2048
45 #define QEDF_MAX_BDS_PER_CMD	256
46 #define QEDF_MAX_BD_LEN		0xffff
47 #define QEDF_BD_SPLIT_SZ	0x1000
48 #define QEDF_PAGE_SIZE		4096
49 #define QED_HW_DMA_BOUNDARY     0xfff
50 #define QEDF_MAX_SGLEN_FOR_CACHESGL		((1U << 16) - 1)
51 #define QEDF_MFS		(QEDF_MAX_PAYLOAD + \
52 	sizeof(struct fc_frame_header))
53 #define QEDF_MAX_NPIV		64
54 #define QEDF_TM_TIMEOUT		10
55 #define QEDF_ABORT_TIMEOUT	10
56 #define QEDF_CLEANUP_TIMEOUT	10
57 #define QEDF_MAX_CDB_LEN	16
58 
59 #define UPSTREAM_REMOVE		1
60 #define UPSTREAM_KEEP		1
61 
62 struct qedf_mp_req {
63 	uint32_t req_len;
64 	void *req_buf;
65 	dma_addr_t req_buf_dma;
66 	struct scsi_sge *mp_req_bd;
67 	dma_addr_t mp_req_bd_dma;
68 	struct fc_frame_header req_fc_hdr;
69 
70 	uint32_t resp_len;
71 	void *resp_buf;
72 	dma_addr_t resp_buf_dma;
73 	struct scsi_sge *mp_resp_bd;
74 	dma_addr_t mp_resp_bd_dma;
75 	struct fc_frame_header resp_fc_hdr;
76 };
77 
78 struct qedf_els_cb_arg {
79 	struct qedf_ioreq *aborted_io_req;
80 	struct qedf_ioreq *io_req;
81 	u8 op; /* Used to keep track of ELS op */
82 	uint16_t l2_oxid;
83 	u32 offset; /* Used for sequence cleanup */
84 	u8 r_ctl; /* Used for sequence cleanup */
85 };
86 
87 enum qedf_ioreq_event {
88 	QEDF_IOREQ_EV_ABORT_SUCCESS,
89 	QEDF_IOREQ_EV_ABORT_FAILED,
90 	QEDF_IOREQ_EV_SEND_RRQ,
91 	QEDF_IOREQ_EV_ELS_TMO,
92 	QEDF_IOREQ_EV_ELS_ERR_DETECT,
93 	QEDF_IOREQ_EV_ELS_FLUSH,
94 	QEDF_IOREQ_EV_CLEANUP_SUCCESS,
95 	QEDF_IOREQ_EV_CLEANUP_FAILED,
96 };
97 
98 #define FC_GOOD		0
99 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER	(0x1<<2)
100 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER	(0x1<<3)
101 #define CMD_SCSI_STATUS(Cmnd)			((Cmnd)->SCp.Status)
102 #define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID	(0x1<<0)
103 #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID	(0x1<<1)
104 struct qedf_ioreq {
105 	struct list_head link;
106 	uint16_t xid;
107 	struct scsi_cmnd *sc_cmd;
108 	bool use_slowpath; /* Use slow SGL for this I/O */
109 #define QEDF_SCSI_CMD		1
110 #define QEDF_TASK_MGMT_CMD	2
111 #define QEDF_ABTS		3
112 #define QEDF_ELS		4
113 #define QEDF_CLEANUP		5
114 #define QEDF_SEQ_CLEANUP	6
115 	u8 cmd_type;
116 #define QEDF_CMD_OUTSTANDING		0x0
117 #define QEDF_CMD_IN_ABORT		0x1
118 #define QEDF_CMD_IN_CLEANUP		0x2
119 #define QEDF_CMD_SRR_SENT		0x3
120 	u8 io_req_flags;
121 	uint8_t tm_flags;
122 	struct qedf_rport *fcport;
123 	unsigned long flags;
124 	enum qedf_ioreq_event event;
125 	size_t data_xfer_len;
126 	struct kref refcount;
127 	struct qedf_cmd_mgr *cmd_mgr;
128 	struct io_bdt *bd_tbl;
129 	struct delayed_work timeout_work;
130 	struct completion tm_done;
131 	struct completion abts_done;
132 	struct e4_fcoe_task_context *task;
133 	struct fcoe_task_params *task_params;
134 	struct scsi_sgl_task_params *sgl_task_params;
135 	int idx;
136 /*
137  * Need to allocate enough room for both sense data and FCP response data
138  * which has a max length of 8 bytes according to spec.
139  */
140 #define QEDF_SCSI_SENSE_BUFFERSIZE	(SCSI_SENSE_BUFFERSIZE + 8)
141 	uint8_t *sense_buffer;
142 	dma_addr_t sense_buffer_dma;
143 	u32 fcp_resid;
144 	u32 fcp_rsp_len;
145 	u32 fcp_sns_len;
146 	u8 cdb_status;
147 	u8 fcp_status;
148 	u8 fcp_rsp_code;
149 	u8 scsi_comp_flags;
150 #define QEDF_MAX_REUSE		0xfff
151 	u16 reuse_count;
152 	struct qedf_mp_req mp_req;
153 	void (*cb_func)(struct qedf_els_cb_arg *cb_arg);
154 	struct qedf_els_cb_arg *cb_arg;
155 	int fp_idx;
156 	unsigned int cpu;
157 	unsigned int int_cpu;
158 #define QEDF_IOREQ_SLOW_SGE		0
159 #define QEDF_IOREQ_SINGLE_SGE		1
160 #define QEDF_IOREQ_FAST_SGE		2
161 	u8 sge_type;
162 	struct delayed_work rrq_work;
163 
164 	/* Used for sequence level recovery; i.e. REC/SRR */
165 	uint32_t rx_buf_off;
166 	uint32_t tx_buf_off;
167 	uint32_t rx_id;
168 	uint32_t task_retry_identifier;
169 
170 	/*
171 	 * Used to tell if we need to return a SCSI command
172 	 * during some form of error processing.
173 	 */
174 	bool return_scsi_cmd_on_abts;
175 };
176 
177 extern struct workqueue_struct *qedf_io_wq;
178 
179 struct qedf_rport {
180 	spinlock_t rport_lock;
181 #define QEDF_RPORT_SESSION_READY 1
182 #define QEDF_RPORT_UPLOADING_CONNECTION	2
183 #define QEDF_RPORT_IN_RESET 3
184 	unsigned long flags;
185 	unsigned long retry_delay_timestamp;
186 	struct fc_rport *rport;
187 	struct fc_rport_priv *rdata;
188 	struct qedf_ctx *qedf;
189 	u32 handle; /* Handle from qed */
190 	u32 fw_cid; /* fw_cid from qed */
191 	void __iomem *p_doorbell;
192 	/* Send queue management */
193 	atomic_t free_sqes;
194 	atomic_t num_active_ios;
195 	struct fcoe_wqe *sq;
196 	dma_addr_t sq_dma;
197 	u16 sq_prod_idx;
198 	u16 fw_sq_prod_idx;
199 	u16 sq_con_idx;
200 	u32 sq_mem_size;
201 	void *sq_pbl;
202 	dma_addr_t sq_pbl_dma;
203 	u32 sq_pbl_size;
204 	u32 sid;
205 #define	QEDF_RPORT_TYPE_DISK		0
206 #define	QEDF_RPORT_TYPE_TAPE		1
207 	uint dev_type; /* Disk or tape */
208 	struct list_head peers;
209 };
210 
211 /* Used to contain LL2 skb's in ll2_skb_list */
212 struct qedf_skb_work {
213 	struct work_struct work;
214 	struct sk_buff *skb;
215 	struct qedf_ctx *qedf;
216 };
217 
218 struct qedf_fastpath {
219 #define	QEDF_SB_ID_NULL		0xffff
220 	u16		sb_id;
221 	struct qed_sb_info	*sb_info;
222 	struct qedf_ctx *qedf;
223 	/* Keep track of number of completions on this fastpath */
224 	unsigned long completions;
225 	uint32_t cq_num_entries;
226 };
227 
228 /* Used to pass fastpath information needed to process CQEs */
229 struct qedf_io_work {
230 	struct work_struct work;
231 	struct fcoe_cqe cqe;
232 	struct qedf_ctx *qedf;
233 	struct fc_frame *fp;
234 };
235 
236 struct qedf_glbl_q_params {
237 	u64	hw_p_cq;	/* Completion queue PBL */
238 	u64	hw_p_rq;	/* Request queue PBL */
239 	u64	hw_p_cmdq;	/* Command queue PBL */
240 };
241 
242 struct global_queue {
243 	struct fcoe_cqe *cq;
244 	dma_addr_t cq_dma;
245 	u32 cq_mem_size;
246 	u32 cq_cons_idx; /* Completion queue consumer index */
247 	u32 cq_prod_idx;
248 
249 	void *cq_pbl;
250 	dma_addr_t cq_pbl_dma;
251 	u32 cq_pbl_size;
252 };
253 
254 /* I/O tracing entry */
255 #define QEDF_IO_TRACE_SIZE		2048
256 struct qedf_io_log {
257 #define QEDF_IO_TRACE_REQ		0
258 #define QEDF_IO_TRACE_RSP		1
259 	uint8_t direction;
260 	uint16_t task_id;
261 	uint32_t port_id; /* Remote port fabric ID */
262 	int lun;
263 	unsigned char op; /* SCSI CDB */
264 	uint8_t lba[4];
265 	unsigned int bufflen; /* SCSI buffer length */
266 	unsigned int sg_count; /* Number of SG elements */
267 	int result; /* Result passed back to mid-layer */
268 	unsigned long jiffies; /* Time stamp when I/O logged */
269 	int refcount; /* Reference count for task id */
270 	unsigned int req_cpu; /* CPU that the task is queued on */
271 	unsigned int int_cpu; /* Interrupt CPU that the task is received on */
272 	unsigned int rsp_cpu; /* CPU that task is returned on */
273 	u8 sge_type; /* Did we take the slow, single or fast SGE path */
274 };
275 
276 /* Number of entries in BDQ */
277 #define QEDF_BDQ_SIZE			256
278 #define QEDF_BDQ_BUF_SIZE		2072
279 
280 /* DMA coherent buffers for BDQ */
281 struct qedf_bdq_buf {
282 	void *buf_addr;
283 	dma_addr_t buf_dma;
284 };
285 
286 /* Main adapter struct */
287 struct qedf_ctx {
288 	struct qedf_dbg_ctx dbg_ctx;
289 	struct fcoe_ctlr ctlr;
290 	struct fc_lport *lport;
291 	u8 data_src_addr[ETH_ALEN];
292 #define QEDF_LINK_DOWN		0
293 #define QEDF_LINK_UP		1
294 	atomic_t link_state;
295 #define QEDF_DCBX_PENDING	0
296 #define QEDF_DCBX_DONE		1
297 	atomic_t dcbx;
298 	uint16_t max_scsi_xid;
299 	uint16_t max_els_xid;
300 #define QEDF_NULL_VLAN_ID	-1
301 #define QEDF_FALLBACK_VLAN	1002
302 #define QEDF_DEFAULT_PRIO	3
303 	int vlan_id;
304 	u8 prio;
305 	struct qed_dev *cdev;
306 	struct qed_dev_fcoe_info dev_info;
307 	struct qed_int_info int_info;
308 	uint16_t last_command;
309 	spinlock_t hba_lock;
310 	struct pci_dev *pdev;
311 	u64 wwnn;
312 	u64 wwpn;
313 	u8 __aligned(16) mac[ETH_ALEN];
314 	struct list_head fcports;
315 	atomic_t num_offloads;
316 	unsigned int curr_conn_id;
317 	struct workqueue_struct *ll2_recv_wq;
318 	struct workqueue_struct *link_update_wq;
319 	struct delayed_work link_update;
320 	struct delayed_work link_recovery;
321 	struct completion flogi_compl;
322 	struct completion fipvlan_compl;
323 
324 	/*
325 	 * Used to tell if we're in the window where we are waiting for
326 	 * the link to come back up before informting fcoe that the link is
327 	 * done.
328 	 */
329 	atomic_t link_down_tmo_valid;
330 #define QEDF_TIMER_INTERVAL		(1 * HZ)
331 	struct timer_list timer; /* One second book keeping timer */
332 #define QEDF_DRAIN_ACTIVE		1
333 #define QEDF_LL2_STARTED		2
334 #define QEDF_UNLOADING			3
335 #define QEDF_GRCDUMP_CAPTURE		4
336 #define QEDF_IN_RECOVERY		5
337 #define QEDF_DBG_STOP_IO		6
338 	unsigned long flags; /* Miscellaneous state flags */
339 	int fipvlan_retries;
340 	u8 num_queues;
341 	struct global_queue **global_queues;
342 	/* Pointer to array of queue structures */
343 	struct qedf_glbl_q_params *p_cpuq;
344 	/* Physical address of array of queue structures */
345 	dma_addr_t hw_p_cpuq;
346 
347 	struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE];
348 	void *bdq_pbl;
349 	dma_addr_t bdq_pbl_dma;
350 	size_t bdq_pbl_mem_size;
351 	void *bdq_pbl_list;
352 	dma_addr_t bdq_pbl_list_dma;
353 	u8 bdq_pbl_list_num_entries;
354 	void __iomem *bdq_primary_prod;
355 	void __iomem *bdq_secondary_prod;
356 	uint16_t bdq_prod_idx;
357 
358 	/* Structure for holding all the fastpath for this qedf_ctx */
359 	struct qedf_fastpath *fp_array;
360 	struct qed_fcoe_tid tasks;
361 	struct qedf_cmd_mgr *cmd_mgr;
362 	/* Holds the PF parameters we pass to qed to start he FCoE function */
363 	struct qed_pf_params pf_params;
364 	/* Used to time middle path ELS and TM commands */
365 	struct workqueue_struct *timer_work_queue;
366 
367 #define QEDF_IO_WORK_MIN		64
368 	mempool_t *io_mempool;
369 	struct workqueue_struct *dpc_wq;
370 	struct delayed_work grcdump_work;
371 
372 	u32 slow_sge_ios;
373 	u32 fast_sge_ios;
374 	u32 single_sge_ios;
375 
376 	uint8_t	*grcdump;
377 	uint32_t grcdump_size;
378 
379 	struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE];
380 	spinlock_t io_trace_lock;
381 	uint16_t io_trace_idx;
382 
383 	bool stop_io_on_error;
384 
385 	u32 flogi_cnt;
386 	u32 flogi_failed;
387 
388 	/* Used for fc statistics */
389 	struct mutex stats_mutex;
390 	u64 input_requests;
391 	u64 output_requests;
392 	u64 control_requests;
393 	u64 packet_aborts;
394 	u64 alloc_failures;
395 	u8 lun_resets;
396 	u8 target_resets;
397 	u8 task_set_fulls;
398 	u8 busy;
399 };
400 
401 struct io_bdt {
402 	struct qedf_ioreq *io_req;
403 	struct scsi_sge *bd_tbl;
404 	dma_addr_t bd_tbl_dma;
405 	u16 bd_valid;
406 };
407 
408 struct qedf_cmd_mgr {
409 	struct qedf_ctx *qedf;
410 	u16 idx;
411 	struct io_bdt **io_bdt_pool;
412 #define FCOE_PARAMS_NUM_TASKS		2048
413 	struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS];
414 	spinlock_t lock;
415 	atomic_t free_list_cnt;
416 };
417 
418 /* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info
419  * Usage:
420  *
421  * void *ptr;
422  * ptr = qedf_get_task_mem(&qedf->tasks, 128);
423  */
424 static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid)
425 {
426 	return (void *)(info->blocks[tid / info->num_tids_per_block] +
427 			(tid % info->num_tids_per_block) * info->size);
428 }
429 
430 static inline void qedf_stop_all_io(struct qedf_ctx *qedf)
431 {
432 	set_bit(QEDF_DBG_STOP_IO, &qedf->flags);
433 }
434 
435 /*
436  * Externs
437  */
438 #define QEDF_DEFAULT_LOG_MASK		0x3CFB6
439 extern const struct qed_fcoe_ops *qed_ops;
440 extern uint qedf_dump_frames;
441 extern uint qedf_io_tracing;
442 extern uint qedf_stop_io_on_error;
443 extern uint qedf_link_down_tmo;
444 #define QEDF_RETRY_DELAY_MAX		20 /* 2 seconds */
445 extern bool qedf_retry_delay;
446 extern uint qedf_debug;
447 
448 extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf);
449 extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr);
450 extern int qedf_queuecommand(struct Scsi_Host *host,
451 	struct scsi_cmnd *sc_cmd);
452 extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb);
453 extern u8 *qedf_get_src_mac(struct fc_lport *lport);
454 extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb);
455 extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf);
456 extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
457 	struct qedf_ioreq *io_req);
458 extern void qedf_process_warning_compl(struct qedf_ctx *qedf,
459 	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
460 extern void qedf_process_error_detect(struct qedf_ctx *qedf,
461 	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
462 extern void qedf_flush_active_ios(struct qedf_rport *fcport, int lun);
463 extern void qedf_release_cmd(struct kref *ref);
464 extern int qedf_initiate_abts(struct qedf_ioreq *io_req,
465 	bool return_scsi_cmd_on_abts);
466 extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
467 	struct qedf_ioreq *io_req);
468 extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport,
469 	u8 cmd_type);
470 
471 extern struct device_attribute *qedf_host_attrs[];
472 extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
473 	unsigned int timer_msec);
474 extern int qedf_init_mp_req(struct qedf_ioreq *io_req);
475 extern void qedf_init_mp_task(struct qedf_ioreq *io_req,
476 	struct e4_fcoe_task_context *task_ctx, struct fcoe_wqe *sqe);
477 extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport);
478 extern void qedf_ring_doorbell(struct qedf_rport *fcport);
479 extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
480 	struct qedf_ioreq *els_req);
481 extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req);
482 extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp);
483 extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req,
484 	bool return_scsi_cmd_on_abts);
485 extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf,
486 	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
487 extern int qedf_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags);
488 extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
489 	struct qedf_ioreq *io_req);
490 extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe);
491 extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
492 	int result);
493 extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id);
494 extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf);
495 extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf);
496 extern void qedf_capture_grc_dump(struct qedf_ctx *qedf);
497 extern void qedf_wait_for_upload(struct qedf_ctx *qedf);
498 extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx,
499 	struct fcoe_cqe *cqe);
500 extern void qedf_restart_rport(struct qedf_rport *fcport);
501 extern int qedf_send_rec(struct qedf_ioreq *orig_io_req);
502 extern int qedf_post_io_req(struct qedf_rport *fcport,
503 	struct qedf_ioreq *io_req);
504 extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf,
505 	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
506 extern int qedf_send_flogi(struct qedf_ctx *qedf);
507 extern void qedf_get_protocol_tlv_data(void *dev, void *data);
508 extern void qedf_fp_io_handler(struct work_struct *work);
509 extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data);
510 extern void qedf_wq_grcdump(struct work_struct *work);
511 
512 #define FCOE_WORD_TO_BYTE  4
513 #define QEDF_MAX_TASK_NUM	0xFFFF
514 
515 struct fip_vlan {
516 	struct ethhdr eth;
517 	struct fip_header fip;
518 	struct {
519 		struct fip_mac_desc mac;
520 		struct fip_wwn_desc wwnn;
521 	} desc;
522 };
523 
524 /* SQ/CQ Sizes */
525 #define GBL_RSVD_TASKS			16
526 #define NUM_TASKS_PER_CONNECTION	1024
527 #define NUM_RW_TASKS_PER_CONNECTION	512
528 #define FCOE_PARAMS_CQ_NUM_ENTRIES	FCOE_PARAMS_NUM_TASKS
529 
530 #define FCOE_PARAMS_CMDQ_NUM_ENTRIES	FCOE_PARAMS_NUM_TASKS
531 #define SQ_NUM_ENTRIES			NUM_TASKS_PER_CONNECTION
532 
533 #define QEDF_FCOE_PARAMS_GL_RQ_PI              0
534 #define QEDF_FCOE_PARAMS_GL_CMD_PI             1
535 
536 #define QEDF_READ                     (1 << 1)
537 #define QEDF_WRITE                    (1 << 0)
538 #define MAX_FIBRE_LUNS			0xffffffff
539 
540 #define MIN_NUM_CPUS_MSIX(x)	min_t(u32, x->dev_info.num_cqs, \
541 					num_online_cpus())
542 
543 /*
544  * PCI function probe defines
545  */
546 /* Probe/remove called during normal PCI probe */
547 #define	QEDF_MODE_NORMAL		0
548 /* Probe/remove called from qed error recovery */
549 #define QEDF_MODE_RECOVERY		1
550 
551 #define SUPPORTED_25000baseKR_Full    (1<<27)
552 #define SUPPORTED_50000baseKR2_Full   (1<<28)
553 #define SUPPORTED_100000baseKR4_Full  (1<<29)
554 #define SUPPORTED_100000baseCR4_Full  (1<<30)
555 
556 #endif
557