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hc
2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e 
 kernel/drivers/scsi/qedf/qedf.h
....@@ -1,10 +1,7 @@
1
+/* SPDX-License-Identifier: GPL-2.0-only */
12 /*
23  *  QLogic FCoE Offload Driver
34  *  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.
85  */
96 #ifndef _QEDFC_H_
107 #define _QEDFC_H_
....@@ -35,9 +32,6 @@
3532 #define QEDF_DESCR "QLogic FCoE Offload Driver"
3633 #define QEDF_MODULE_NAME "qedf"
3734 
38
-#define QEDF_MIN_XID		0
39
-#define QEDF_MAX_SCSI_XID	(NUM_TASKS_PER_CONNECTION - 1)
40
-#define QEDF_MAX_ELS_XID	4095
4135 #define QEDF_FLOGI_RETRY_CNT	3
4236 #define QEDF_RPORT_RETRY_CNT	255
4337 #define QEDF_MAX_SESSIONS	1024
....@@ -52,9 +46,10 @@
5246 	sizeof(struct fc_frame_header))
5347 #define QEDF_MAX_NPIV		64
5448 #define QEDF_TM_TIMEOUT		10
55
-#define QEDF_ABORT_TIMEOUT	10
56
-#define QEDF_CLEANUP_TIMEOUT	10
49
+#define QEDF_ABORT_TIMEOUT	(10 * 1000)
50
+#define QEDF_CLEANUP_TIMEOUT	1
5751 #define QEDF_MAX_CDB_LEN	16
52
+#define QEDF_LL2_BUF_SIZE	2500	/* Buffer size required for LL2 Rx */
5853 
5954 #define UPSTREAM_REMOVE		1
6055 #define UPSTREAM_KEEP		1
....@@ -85,6 +80,7 @@
8580 };
8681 
8782 enum qedf_ioreq_event {
83
+	QEDF_IOREQ_EV_NONE,
8884 	QEDF_IOREQ_EV_ABORT_SUCCESS,
8985 	QEDF_IOREQ_EV_ABORT_FAILED,
9086 	QEDF_IOREQ_EV_SEND_RRQ,
....@@ -105,7 +101,6 @@
105101 	struct list_head link;
106102 	uint16_t xid;
107103 	struct scsi_cmnd *sc_cmd;
108
-	bool use_slowpath; /* Use slow SGL for this I/O */
109104 #define QEDF_SCSI_CMD		1
110105 #define QEDF_TASK_MGMT_CMD	2
111106 #define QEDF_ABTS		3
....@@ -117,22 +112,43 @@
117112 #define QEDF_CMD_IN_ABORT		0x1
118113 #define QEDF_CMD_IN_CLEANUP		0x2
119114 #define QEDF_CMD_SRR_SENT		0x3
115
+#define QEDF_CMD_DIRTY			0x4
116
+#define QEDF_CMD_ERR_SCSI_DONE		0x5
120117 	u8 io_req_flags;
121118 	uint8_t tm_flags;
122119 	struct qedf_rport *fcport;
120
+#define	QEDF_CMD_ST_INACTIVE		0
121
+#define	QEDFC_CMD_ST_IO_ACTIVE		1
122
+#define	QEDFC_CMD_ST_ABORT_ACTIVE	2
123
+#define	QEDFC_CMD_ST_ABORT_ACTIVE_EH	3
124
+#define	QEDFC_CMD_ST_CLEANUP_ACTIVE	4
125
+#define	QEDFC_CMD_ST_CLEANUP_ACTIVE_EH	5
126
+#define	QEDFC_CMD_ST_RRQ_ACTIVE		6
127
+#define	QEDFC_CMD_ST_RRQ_WAIT		7
128
+#define	QEDFC_CMD_ST_OXID_RETIRE_WAIT	8
129
+#define	QEDFC_CMD_ST_TMF_ACTIVE		9
130
+#define	QEDFC_CMD_ST_DRAIN_ACTIVE	10
131
+#define	QEDFC_CMD_ST_CLEANED		11
132
+#define	QEDFC_CMD_ST_ELS_ACTIVE		12
133
+	atomic_t state;
123134 	unsigned long flags;
124135 	enum qedf_ioreq_event event;
125136 	size_t data_xfer_len;
137
+	/* ID: 001: Alloc cmd (qedf_alloc_cmd) */
138
+	/* ID: 002: Initiate ABTS (qedf_initiate_abts) */
139
+	/* ID: 003: For RRQ (qedf_process_abts_compl) */
126140 	struct kref refcount;
127141 	struct qedf_cmd_mgr *cmd_mgr;
128142 	struct io_bdt *bd_tbl;
129143 	struct delayed_work timeout_work;
130144 	struct completion tm_done;
131145 	struct completion abts_done;
146
+	struct completion cleanup_done;
132147 	struct e4_fcoe_task_context *task;
133148 	struct fcoe_task_params *task_params;
134149 	struct scsi_sgl_task_params *sgl_task_params;
135150 	int idx;
151
+	int lun;
136152 /*
137153  * Need to allocate enough room for both sense data and FCP response data
138154  * which has a max length of 8 bytes according to spec.
....@@ -155,9 +171,9 @@
155171 	int fp_idx;
156172 	unsigned int cpu;
157173 	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
174
+#define QEDF_IOREQ_UNKNOWN_SGE		1
175
+#define QEDF_IOREQ_SLOW_SGE		2
176
+#define QEDF_IOREQ_FAST_SGE		3
161177 	u8 sge_type;
162178 	struct delayed_work rrq_work;
163179 
....@@ -172,6 +188,8 @@
172188 	 * during some form of error processing.
173189 	 */
174190 	bool return_scsi_cmd_on_abts;
191
+
192
+	unsigned int alloc;
175193 };
176194 
177195 extern struct workqueue_struct *qedf_io_wq;
....@@ -181,7 +199,10 @@
181199 #define QEDF_RPORT_SESSION_READY 1
182200 #define QEDF_RPORT_UPLOADING_CONNECTION	2
183201 #define QEDF_RPORT_IN_RESET 3
202
+#define QEDF_RPORT_IN_LUN_RESET 4
203
+#define QEDF_RPORT_IN_TARGET_RESET 5
184204 	unsigned long flags;
205
+	int lun_reset_lun;
185206 	unsigned long retry_delay_timestamp;
186207 	struct fc_rport *rport;
187208 	struct fc_rport_priv *rdata;
....@@ -191,6 +212,7 @@
191212 	void __iomem *p_doorbell;
192213 	/* Send queue management */
193214 	atomic_t free_sqes;
215
+	atomic_t ios_to_queue;
194216 	atomic_t num_active_ios;
195217 	struct fcoe_wqe *sq;
196218 	dma_addr_t sq_dma;
....@@ -295,8 +317,6 @@
295317 #define QEDF_DCBX_PENDING	0
296318 #define QEDF_DCBX_DONE		1
297319 	atomic_t dcbx;
298
-	uint16_t max_scsi_xid;
299
-	uint16_t max_els_xid;
300320 #define QEDF_NULL_VLAN_ID	-1
301321 #define QEDF_FALLBACK_VLAN	1002
302322 #define QEDF_DEFAULT_PRIO	3
....@@ -368,11 +388,13 @@
368388 #define QEDF_IO_WORK_MIN		64
369389 	mempool_t *io_mempool;
370390 	struct workqueue_struct *dpc_wq;
391
+	struct delayed_work recovery_work;
392
+	struct delayed_work board_disable_work;
371393 	struct delayed_work grcdump_work;
394
+	struct delayed_work stag_work;
372395 
373396 	u32 slow_sge_ios;
374397 	u32 fast_sge_ios;
375
-	u32 single_sge_ios;
376398 
377399 	uint8_t	*grcdump;
378400 	uint32_t grcdump_size;
....@@ -385,6 +407,7 @@
385407 
386408 	u32 flogi_cnt;
387409 	u32 flogi_failed;
410
+	u32 flogi_pending;
388411 
389412 	/* Used for fc statistics */
390413 	struct mutex stats_mutex;
....@@ -397,6 +420,8 @@
397420 	u8 target_resets;
398421 	u8 task_set_fulls;
399422 	u8 busy;
423
+	/* Used for flush routine */
424
+	struct mutex flush_mutex;
400425 };
401426 
402427 struct io_bdt {
....@@ -436,13 +461,19 @@
436461 /*
437462  * Externs
438463  */
464
+
465
+/*
466
+ * (QEDF_LOG_NPIV | QEDF_LOG_SESS | QEDF_LOG_LPORT | QEDF_LOG_ELS | QEDF_LOG_MQ
467
+ * | QEDF_LOG_IO | QEDF_LOG_UNSOL | QEDF_LOG_SCSI_TM | QEDF_LOG_MP_REQ |
468
+ * QEDF_LOG_EVT | QEDF_LOG_CONN | QEDF_LOG_DISC | QEDF_LOG_INFO)
469
+ */
439470 #define QEDF_DEFAULT_LOG_MASK		0x3CFB6
440471 extern const struct qed_fcoe_ops *qed_ops;
441472 extern uint qedf_dump_frames;
442473 extern uint qedf_io_tracing;
443474 extern uint qedf_stop_io_on_error;
444475 extern uint qedf_link_down_tmo;
445
-#define QEDF_RETRY_DELAY_MAX		20 /* 2 seconds */
476
+#define QEDF_RETRY_DELAY_MAX		600 /* 60 seconds */
446477 extern bool qedf_retry_delay;
447478 extern uint qedf_debug;
448479 
....@@ -495,7 +526,7 @@
495526 extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf);
496527 extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf);
497528 extern void qedf_capture_grc_dump(struct qedf_ctx *qedf);
498
-extern void qedf_wait_for_upload(struct qedf_ctx *qedf);
529
+bool qedf_wait_for_upload(struct qedf_ctx *qedf);
499530 extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx,
500531 	struct fcoe_cqe *cqe);
501532 extern void qedf_restart_rport(struct qedf_rport *fcport);
....@@ -509,9 +540,19 @@
509540 extern void qedf_fp_io_handler(struct work_struct *work);
510541 extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data);
511542 extern void qedf_wq_grcdump(struct work_struct *work);
543
+void qedf_stag_change_work(struct work_struct *work);
544
+void qedf_ctx_soft_reset(struct fc_lport *lport);
545
+extern void qedf_board_disable_work(struct work_struct *work);
546
+extern void qedf_schedule_hw_err_handler(void *dev,
547
+		enum qed_hw_err_type err_type);
512548 
513549 #define FCOE_WORD_TO_BYTE  4
514550 #define QEDF_MAX_TASK_NUM	0xFFFF
551
+#define QL45xxx			0x165C
552
+#define QL41xxx			0x8080
553
+#define MAX_CT_PAYLOAD		2048
554
+#define DISCOVERED_PORTS	4
555
+#define NUMBER_OF_PORTS		1
515556 
516557 struct fip_vlan {
517558 	struct ethhdr eth;