qedf.h

  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
 54struct 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
 70struct 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
 79enum 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)
 96struct 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	u64 tm_lun;
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 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
192struct qedf_cmd_priv {
193	struct qedf_ioreq *io_req;
194};
195
196static inline struct qedf_cmd_priv *qedf_priv(struct scsi_cmnd *cmd)
197{
198	return scsi_cmd_priv(cmd);
199}
200
201extern struct workqueue_struct *qedf_io_wq;
202
203struct qedf_rport {
204	spinlock_t rport_lock;
205#define QEDF_RPORT_SESSION_READY 1
206#define QEDF_RPORT_UPLOADING_CONNECTION	2
207#define QEDF_RPORT_IN_RESET 3
208#define QEDF_RPORT_IN_LUN_RESET 4
209#define QEDF_RPORT_IN_TARGET_RESET 5
210	unsigned long flags;
211	int lun_reset_lun;
212	unsigned long retry_delay_timestamp;
213	struct fc_rport *rport;
214	struct fc_rport_priv *rdata;
215	struct qedf_ctx *qedf;
216	u32 handle; /* Handle from qed */
217	u32 fw_cid; /* fw_cid from qed */
218	void __iomem *p_doorbell;
219	/* Send queue management */
220	atomic_t free_sqes;
221	atomic_t ios_to_queue;
222	atomic_t num_active_ios;
223	struct fcoe_wqe *sq;
224	dma_addr_t sq_dma;
225	u16 sq_prod_idx;
226	u16 fw_sq_prod_idx;
227	u16 sq_con_idx;
228	u32 sq_mem_size;
229	void *sq_pbl;
230	dma_addr_t sq_pbl_dma;
231	u32 sq_pbl_size;
232	u32 sid;
233#define	QEDF_RPORT_TYPE_DISK		0
234#define	QEDF_RPORT_TYPE_TAPE		1
235	uint dev_type; /* Disk or tape */
236	struct list_head peers;
237};
238
239/* Used to contain LL2 skb's in ll2_skb_list */
240struct qedf_skb_work {
241	struct work_struct work;
242	struct sk_buff *skb;
243	struct qedf_ctx *qedf;
244};
245
246struct qedf_fastpath {
247#define	QEDF_SB_ID_NULL		0xffff
248	u16		sb_id;
249	struct qed_sb_info	*sb_info;
250	struct qedf_ctx *qedf;
251	/* Keep track of number of completions on this fastpath */
252	unsigned long completions;
253	uint32_t cq_num_entries;
254};
255
256/* Used to pass fastpath information needed to process CQEs */
257struct qedf_io_work {
258	struct work_struct work;
259	struct fcoe_cqe cqe;
260	struct qedf_ctx *qedf;
261	struct fc_frame *fp;
262};
263
264struct qedf_glbl_q_params {
265	u64	hw_p_cq;	/* Completion queue PBL */
266	u64	hw_p_rq;	/* Request queue PBL */
267	u64	hw_p_cmdq;	/* Command queue PBL */
268};
269
270struct global_queue {
271	struct fcoe_cqe *cq;
272	dma_addr_t cq_dma;
273	u32 cq_mem_size;
274	u32 cq_cons_idx; /* Completion queue consumer index */
275	u32 cq_prod_idx;
276
277	void *cq_pbl;
278	dma_addr_t cq_pbl_dma;
279	u32 cq_pbl_size;
280};
281
282/* I/O tracing entry */
283#define QEDF_IO_TRACE_SIZE		2048
284struct qedf_io_log {
285#define QEDF_IO_TRACE_REQ		0
286#define QEDF_IO_TRACE_RSP		1
287	uint8_t direction;
288	uint16_t task_id;
289	uint32_t port_id; /* Remote port fabric ID */
290	int lun;
291	unsigned char op; /* SCSI CDB */
292	uint8_t lba[4];
293	unsigned int bufflen; /* SCSI buffer length */
294	unsigned int sg_count; /* Number of SG elements */
295	int result; /* Result passed back to mid-layer */
296	unsigned long jiffies; /* Time stamp when I/O logged */
297	int refcount; /* Reference count for task id */
298	unsigned int req_cpu; /* CPU that the task is queued on */
299	unsigned int int_cpu; /* Interrupt CPU that the task is received on */
300	unsigned int rsp_cpu; /* CPU that task is returned on */
301	u8 sge_type; /* Did we take the slow, single or fast SGE path */
302};
303
304/* Number of entries in BDQ */
305#define QEDF_BDQ_SIZE			256
306#define QEDF_BDQ_BUF_SIZE		2072
307
308/* DMA coherent buffers for BDQ */
309struct qedf_bdq_buf {
310	void *buf_addr;
311	dma_addr_t buf_dma;
312};
313
314/* Main adapter struct */
315struct qedf_ctx {
316	struct qedf_dbg_ctx dbg_ctx;
317	struct fcoe_ctlr ctlr;
318	struct fc_lport *lport;
319	u8 data_src_addr[ETH_ALEN];
320#define QEDF_LINK_DOWN		0
321#define QEDF_LINK_UP		1
322	atomic_t link_state;
323#define QEDF_DCBX_PENDING	0
324#define QEDF_DCBX_DONE		1
325	atomic_t dcbx;
326#define QEDF_NULL_VLAN_ID	-1
327#define QEDF_FALLBACK_VLAN	1002
328#define QEDF_DEFAULT_PRIO	3
329	int vlan_id;
330	u8 prio;
331	struct qed_dev *cdev;
332	struct qed_dev_fcoe_info dev_info;
333	struct qed_int_info int_info;
334	uint16_t last_command;
335	spinlock_t hba_lock;
336	struct pci_dev *pdev;
337	u64 wwnn;
338	u64 wwpn;
339	u8 __aligned(16) mac[ETH_ALEN];
340	struct list_head fcports;
341	atomic_t num_offloads;
342	unsigned int curr_conn_id;
343	struct workqueue_struct *ll2_recv_wq;
344	struct workqueue_struct *link_update_wq;
345	struct devlink *devlink;
346	struct delayed_work link_update;
347	struct delayed_work link_recovery;
348	struct completion flogi_compl;
349	struct completion fipvlan_compl;
350
351	/*
352	 * Used to tell if we're in the window where we are waiting for
353	 * the link to come back up before informting fcoe that the link is
354	 * done.
355	 */
356	atomic_t link_down_tmo_valid;
357#define QEDF_TIMER_INTERVAL		(1 * HZ)
358	struct timer_list timer; /* One second book keeping timer */
359#define QEDF_DRAIN_ACTIVE		1
360#define QEDF_LL2_STARTED		2
361#define QEDF_UNLOADING			3
362#define QEDF_GRCDUMP_CAPTURE		4
363#define QEDF_IN_RECOVERY		5
364#define QEDF_DBG_STOP_IO		6
365#define QEDF_PROBING			8
366#define QEDF_STAG_IN_PROGRESS		9
367	unsigned long flags; /* Miscellaneous state flags */
368	int fipvlan_retries;
369	u8 num_queues;
370	struct global_queue **global_queues;
371	/* Pointer to array of queue structures */
372	struct qedf_glbl_q_params *p_cpuq;
373	/* Physical address of array of queue structures */
374	dma_addr_t hw_p_cpuq;
375
376	struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE];
377	void *bdq_pbl;
378	dma_addr_t bdq_pbl_dma;
379	size_t bdq_pbl_mem_size;
380	void *bdq_pbl_list;
381	dma_addr_t bdq_pbl_list_dma;
382	u8 bdq_pbl_list_num_entries;
383	void __iomem *bdq_primary_prod;
384	void __iomem *bdq_secondary_prod;
385	uint16_t bdq_prod_idx;
386
387	/* Structure for holding all the fastpath for this qedf_ctx */
388	struct qedf_fastpath *fp_array;
389	struct qed_fcoe_tid tasks;
390	struct qedf_cmd_mgr *cmd_mgr;
391	/* Holds the PF parameters we pass to qed to start he FCoE function */
392	struct qed_pf_params pf_params;
393	/* Used to time middle path ELS and TM commands */
394	struct workqueue_struct *timer_work_queue;
395
396#define QEDF_IO_WORK_MIN		64
397	mempool_t *io_mempool;
398	struct workqueue_struct *dpc_wq;
399	struct delayed_work recovery_work;
400	struct delayed_work board_disable_work;
401	struct delayed_work grcdump_work;
402	struct delayed_work stag_work;
403
404	u32 slow_sge_ios;
405	u32 fast_sge_ios;
406
407	uint8_t	*grcdump;
408	uint32_t grcdump_size;
409
410	struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE];
411	spinlock_t io_trace_lock;
412	uint16_t io_trace_idx;
413
414	bool stop_io_on_error;
415
416	u32 flogi_cnt;
417	u32 flogi_failed;
418	u32 flogi_pending;
419
420	/* Used for fc statistics */
421	struct mutex stats_mutex;
422	u64 input_requests;
423	u64 output_requests;
424	u64 control_requests;
425	u64 packet_aborts;
426	u64 alloc_failures;
427	u8 lun_resets;
428	u8 target_resets;
429	u8 task_set_fulls;
430	u8 busy;
431	/* Used for flush routine */
432	struct mutex flush_mutex;
433};
434
435struct io_bdt {
436	struct qedf_ioreq *io_req;
437	struct scsi_sge *bd_tbl;
438	dma_addr_t bd_tbl_dma;
439	u16 bd_valid;
440};
441
442struct qedf_cmd_mgr {
443	struct qedf_ctx *qedf;
444	u16 idx;
445	struct io_bdt **io_bdt_pool;
446#define FCOE_PARAMS_NUM_TASKS		2048
447	struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS];
448	spinlock_t lock;
449	atomic_t free_list_cnt;
450};
451
452/* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info
453 * Usage:
454 *
455 * void *ptr;
456 * ptr = qedf_get_task_mem(&qedf->tasks, 128);
457 */
458static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid)
459{
460	return (void *)(info->blocks[tid / info->num_tids_per_block] +
461			(tid % info->num_tids_per_block) * info->size);
462}
463
464static inline void qedf_stop_all_io(struct qedf_ctx *qedf)
465{
466	set_bit(QEDF_DBG_STOP_IO, &qedf->flags);
467}
468
469/*
470 * Externs
471 */
472
473/*
474 * (QEDF_LOG_NPIV | QEDF_LOG_SESS | QEDF_LOG_LPORT | QEDF_LOG_ELS | QEDF_LOG_MQ
475 * | QEDF_LOG_IO | QEDF_LOG_UNSOL | QEDF_LOG_SCSI_TM | QEDF_LOG_MP_REQ |
476 * QEDF_LOG_EVT | QEDF_LOG_CONN | QEDF_LOG_DISC | QEDF_LOG_INFO)
477 */
478#define QEDF_DEFAULT_LOG_MASK		0x3CFB6
479extern const struct qed_fcoe_ops *qed_ops;
480extern uint qedf_dump_frames;
481extern uint qedf_io_tracing;
482extern uint qedf_stop_io_on_error;
483extern uint qedf_link_down_tmo;
484#define QEDF_RETRY_DELAY_MAX		600 /* 60 seconds */
485extern bool qedf_retry_delay;
486extern uint qedf_debug;
487
488extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf);
489extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr);
490extern int qedf_queuecommand(struct Scsi_Host *host,
491	struct scsi_cmnd *sc_cmd);
492extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb);
493extern u8 *qedf_get_src_mac(struct fc_lport *lport);
494extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb);
495extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf);
496extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
497	struct qedf_ioreq *io_req);
498extern void qedf_process_warning_compl(struct qedf_ctx *qedf,
499	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
500extern void qedf_process_error_detect(struct qedf_ctx *qedf,
501	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
502extern void qedf_flush_active_ios(struct qedf_rport *fcport, u64 lun);
503extern void qedf_release_cmd(struct kref *ref);
504extern int qedf_initiate_abts(struct qedf_ioreq *io_req,
505	bool return_scsi_cmd_on_abts);
506extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
507	struct qedf_ioreq *io_req);
508extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport,
509	u8 cmd_type);
510
511extern const struct attribute_group *qedf_host_groups[];
512extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
513	unsigned int timer_msec);
514extern int qedf_init_mp_req(struct qedf_ioreq *io_req);
515extern void qedf_init_mp_task(struct qedf_ioreq *io_req,
516	struct fcoe_task_context *task_ctx, struct fcoe_wqe *sqe);
517extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport);
518extern void qedf_ring_doorbell(struct qedf_rport *fcport);
519extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
520	struct qedf_ioreq *els_req);
521extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req);
522extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp);
523extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req,
524	bool return_scsi_cmd_on_abts);
525extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf,
526	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
527extern int qedf_initiate_tmf(struct fc_rport *rport, u64 lun, u8 tm_flags);
528extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
529	struct qedf_ioreq *io_req);
530extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe);
531extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
532	int result);
533extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id);
534extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf);
535extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf);
536extern void qedf_capture_grc_dump(struct qedf_ctx *qedf);
537bool qedf_wait_for_upload(struct qedf_ctx *qedf);
538extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx,
539	struct fcoe_cqe *cqe);
540extern void qedf_restart_rport(struct qedf_rport *fcport);
541extern int qedf_send_rec(struct qedf_ioreq *orig_io_req);
542extern int qedf_post_io_req(struct qedf_rport *fcport,
543	struct qedf_ioreq *io_req);
544extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf,
545	struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
546extern int qedf_send_flogi(struct qedf_ctx *qedf);
547extern void qedf_get_protocol_tlv_data(void *dev, void *data);
548extern void qedf_fp_io_handler(struct work_struct *work);
549extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data);
550extern void qedf_wq_grcdump(struct work_struct *work);
551void qedf_stag_change_work(struct work_struct *work);
552void qedf_ctx_soft_reset(struct fc_lport *lport);
553extern void qedf_schedule_hw_err_handler(void *dev,
554		enum qed_hw_err_type err_type);
555
556#define FCOE_WORD_TO_BYTE  4
557#define QEDF_MAX_TASK_NUM	0xFFFF
558#define QL45xxx			0x165C
559#define QL41xxx			0x8080
560#define MAX_CT_PAYLOAD		2048
561#define DISCOVERED_PORTS	4
562#define NUMBER_OF_PORTS		1
563
564struct fip_vlan {
565	struct ethhdr eth;
566	struct fip_header fip;
567	struct {
568		struct fip_mac_desc mac;
569		struct fip_wwn_desc wwnn;
570	} desc;
571};
572
573/* SQ/CQ Sizes */
574#define GBL_RSVD_TASKS			16
575#define NUM_TASKS_PER_CONNECTION	1024
576#define NUM_RW_TASKS_PER_CONNECTION	512
577#define FCOE_PARAMS_CQ_NUM_ENTRIES	FCOE_PARAMS_NUM_TASKS
578
579#define FCOE_PARAMS_CMDQ_NUM_ENTRIES	FCOE_PARAMS_NUM_TASKS
580#define SQ_NUM_ENTRIES			NUM_TASKS_PER_CONNECTION
581
582#define QEDF_FCOE_PARAMS_GL_RQ_PI              0
583#define QEDF_FCOE_PARAMS_GL_CMD_PI             1
584
585#define QEDF_READ                     (1 << 1)
586#define QEDF_WRITE                    (1 << 0)
587#define MAX_FIBRE_LUNS			0xffffffff
588
589#define MIN_NUM_CPUS_MSIX(x)	min_t(u32, x->dev_info.num_cqs, \
590					num_online_cpus())
591
592/*
593 * PCI function probe defines
594 */
595/* Probe/remove called during normal PCI probe */
596#define	QEDF_MODE_NORMAL		0
597/* Probe/remove called from qed error recovery */
598#define QEDF_MODE_RECOVERY		1
599
600#define SUPPORTED_25000baseKR_Full    (1<<27)
601#define SUPPORTED_50000baseKR2_Full   (1<<28)
602#define SUPPORTED_100000baseKR4_Full  (1<<29)
603#define SUPPORTED_100000baseCR4_Full  (1<<30)
604
605#endif