xref: /openbmc/linux/drivers/scsi/be2iscsi/be_cmds.h (revision e23feb16)
1 /**
2  * Copyright (C) 2005 - 2013 Emulex
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License version 2
7  * as published by the Free Software Foundation.  The full GNU General
8  * Public License is included in this distribution in the file called COPYING.
9  *
10  * Contact Information:
11  * linux-drivers@emulex.com
12  *
13  * Emulex
14  * 3333 Susan Street
15  * Costa Mesa, CA 92626
16  */
17 
18 #ifndef BEISCSI_CMDS_H
19 #define BEISCSI_CMDS_H
20 
21 /**
22  * The driver sends configuration and managements command requests to the
23  * firmware in the BE. These requests are communicated to the processor
24  * using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one
25  * WRB inside a MAILBOX.
26  * The commands are serviced by the ARM processor in the OneConnect's MPU.
27  */
28 struct be_sge {
29 	u32 pa_lo;
30 	u32 pa_hi;
31 	u32 len;
32 };
33 
34 #define MCC_WRB_SGE_CNT_SHIFT 3	/* bits 3 - 7 of dword 0 */
35 #define MCC_WRB_SGE_CNT_MASK 0x1F	/* bits 3 - 7 of dword 0 */
36 struct be_mcc_wrb {
37 	u32 embedded;		/* dword 0 */
38 	u32 payload_length;	/* dword 1 */
39 	u32 tag0;		/* dword 2 */
40 	u32 tag1;		/* dword 3 */
41 	u32 rsvd;		/* dword 4 */
42 	union {
43 		u8 embedded_payload[236];	/* used by embedded cmds */
44 		struct be_sge sgl[19];	/* used by non-embedded cmds */
45 	} payload;
46 };
47 
48 #define CQE_FLAGS_VALID_MASK (1 << 31)
49 #define CQE_FLAGS_ASYNC_MASK (1 << 30)
50 #define CQE_FLAGS_COMPLETED_MASK	(1 << 28)
51 #define CQE_FLAGS_CONSUMED_MASK		(1 << 27)
52 
53 /* Completion Status */
54 #define MCC_STATUS_SUCCESS 0x0
55 #define MCC_STATUS_FAILED 0x1
56 #define MCC_STATUS_ILLEGAL_REQUEST 0x2
57 #define MCC_STATUS_ILLEGAL_FIELD 0x3
58 #define MCC_STATUS_INSUFFICIENT_BUFFER 0x4
59 
60 #define CQE_STATUS_COMPL_MASK 0xFFFF
61 #define CQE_STATUS_COMPL_SHIFT 0	/* bits 0 - 15 */
62 #define CQE_STATUS_EXTD_MASK 0xFFFF
63 #define CQE_STATUS_EXTD_SHIFT 16		/* bits 0 - 15 */
64 #define CQE_STATUS_ADDL_MASK	0xFF00
65 #define CQE_STATUS_MASK	0xFF
66 #define CQE_STATUS_ADDL_SHIFT	0x08
67 #define CQE_STATUS_WRB_MASK	0xFF0000
68 #define CQE_STATUS_WRB_SHIFT	16
69 #define BEISCSI_HOST_MBX_TIMEOUT (110 * 1000)
70 #define BEISCSI_FW_MBX_TIMEOUT	100
71 
72 /* MBOX Command VER */
73 #define MBX_CMD_VER2	0x02
74 
75 struct be_mcc_compl {
76 	u32 status;		/* dword 0 */
77 	u32 tag0;		/* dword 1 */
78 	u32 tag1;		/* dword 2 */
79 	u32 flags;		/* dword 3 */
80 };
81 
82 /********* Mailbox door bell *************/
83 /**
84  * Used for driver communication with the FW.
85  * The software must write this register twice to post any command. First,
86  * it writes the register with hi=1 and the upper bits of the physical address
87  * for the MAILBOX structure. Software must poll the ready bit until this
88  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
89  * bits in the address. It must poll the ready bit until the command is
90  * complete. Upon completion, the MAILBOX will contain a valid completion
91  * queue entry.
92  */
93 #define MPU_MAILBOX_DB_OFFSET	0x160
94 #define MPU_MAILBOX_DB_RDY_MASK	0x1	/* bit 0 */
95 #define MPU_MAILBOX_DB_HI_MASK	0x2	/* bit 1 */
96 
97 /********** MPU semphore ******************/
98 #define MPU_EP_SEMAPHORE_OFFSET 0xac
99 #define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
100 #define EP_SEMAPHORE_POST_ERR_MASK 0x1
101 #define EP_SEMAPHORE_POST_ERR_SHIFT 31
102 
103 /********** MCC door bell ************/
104 #define DB_MCCQ_OFFSET 0x140
105 #define DB_MCCQ_RING_ID_MASK 0x7FF		/* bits 0 - 10 */
106 /* Number of entries posted */
107 #define DB_MCCQ_NUM_POSTED_SHIFT 16		/* bits 16 - 29 */
108 
109 /* MPU semphore POST stage values */
110 #define POST_STAGE_ARMFW_RDY		0xc000	/* FW is done with POST */
111 
112 /**
113  * When the async bit of mcc_compl is set, the last 4 bytes of
114  * mcc_compl is interpreted as follows:
115  */
116 #define ASYNC_TRAILER_EVENT_CODE_SHIFT	8	/* bits 8 - 15 */
117 #define ASYNC_TRAILER_EVENT_CODE_MASK	0xFF
118 #define ASYNC_EVENT_CODE_LINK_STATE	0x1
119 struct be_async_event_trailer {
120 	u32 code;
121 };
122 
123 enum {
124 	ASYNC_EVENT_LINK_DOWN = 0x0,
125 	ASYNC_EVENT_LINK_UP = 0x1,
126 	ASYNC_EVENT_LOGICAL = 0x2
127 };
128 
129 /**
130  * When the event code of an async trailer is link-state, the mcc_compl
131  * must be interpreted as follows
132  */
133 struct be_async_event_link_state {
134 	u8 physical_port;
135 	u8 port_link_status;
136 	u8 port_duplex;
137 	u8 port_speed;
138 #define BEISCSI_PHY_LINK_FAULT_NONE	0x00
139 #define BEISCSI_PHY_LINK_FAULT_LOCAL	0x01
140 #define BEISCSI_PHY_LINK_FAULT_REMOTE	0x02
141 	u8 port_fault;
142 	u8 rsvd0[7];
143 	struct be_async_event_trailer trailer;
144 } __packed;
145 
146 struct be_mcc_mailbox {
147 	struct be_mcc_wrb wrb;
148 	struct be_mcc_compl compl;
149 };
150 
151 /* Type of subsystems supported by FW */
152 #define CMD_SUBSYSTEM_COMMON    0x1
153 #define CMD_SUBSYSTEM_ISCSI     0x2
154 #define CMD_SUBSYSTEM_ETH       0x3
155 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
156 #define CMD_COMMON_TCP_UPLOAD   0x1
157 
158 /**
159  * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
160  * These opcodes are unique for each subsystem defined above
161  */
162 #define OPCODE_COMMON_CQ_CREATE				12
163 #define OPCODE_COMMON_EQ_CREATE				13
164 #define OPCODE_COMMON_MCC_CREATE			21
165 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES		32
166 #define OPCODE_COMMON_GET_FW_VERSION			35
167 #define OPCODE_COMMON_MODIFY_EQ_DELAY			41
168 #define OPCODE_COMMON_FIRMWARE_CONFIG			42
169 #define OPCODE_COMMON_MCC_DESTROY			53
170 #define OPCODE_COMMON_CQ_DESTROY			54
171 #define OPCODE_COMMON_EQ_DESTROY			55
172 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG		58
173 #define OPCODE_COMMON_FUNCTION_RESET			61
174 
175 /**
176  * LIST of opcodes that are common between Initiator and Target
177  * used by CMD_SUBSYSTEM_ISCSI
178  * These opcodes are unique for each subsystem defined above
179  */
180 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES		2
181 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
182 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG		7
183 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN		14
184 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR	17
185 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR	18
186 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR		21
187 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY	22
188 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
189 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID		24
190 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO		25
191 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
192 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
193 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY		65
194 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE			66
195 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY		67
196 
197 struct be_cmd_req_hdr {
198 	u8 opcode;		/* dword 0 */
199 	u8 subsystem;		/* dword 0 */
200 	u8 port_number;		/* dword 0 */
201 	u8 domain;		/* dword 0 */
202 	u32 timeout;		/* dword 1 */
203 	u32 request_length;	/* dword 2 */
204 	u8 version;		/* dword 3 */
205 	u8 rsvd0[3];		/* dword 3 */
206 };
207 
208 struct be_cmd_resp_hdr {
209 	u32 info;		/* dword 0 */
210 	u32 status;		/* dword 1 */
211 	u32 response_length;	/* dword 2 */
212 	u32 actual_resp_len;	/* dword 3 */
213 };
214 
215 struct phys_addr {
216 	u32 lo;
217 	u32 hi;
218 };
219 
220 /**************************
221  * BE Command definitions *
222  **************************/
223 
224 /**
225  * Pseudo amap definition in which each bit of the actual structure is defined
226  * as a byte - used to calculate offset/shift/mask of each field
227  */
228 struct amap_eq_context {
229 	u8 cidx[13];		/* dword 0 */
230 	u8 rsvd0[3];		/* dword 0 */
231 	u8 epidx[13];		/* dword 0 */
232 	u8 valid;		/* dword 0 */
233 	u8 rsvd1;		/* dword 0 */
234 	u8 size;		/* dword 0 */
235 	u8 pidx[13];		/* dword 1 */
236 	u8 rsvd2[3];		/* dword 1 */
237 	u8 pd[10];		/* dword 1 */
238 	u8 count[3];		/* dword 1 */
239 	u8 solevent;		/* dword 1 */
240 	u8 stalled;		/* dword 1 */
241 	u8 armed;		/* dword 1 */
242 	u8 rsvd3[4];		/* dword 2 */
243 	u8 func[8];		/* dword 2 */
244 	u8 rsvd4;		/* dword 2 */
245 	u8 delaymult[10];	/* dword 2 */
246 	u8 rsvd5[2];		/* dword 2 */
247 	u8 phase[2];		/* dword 2 */
248 	u8 nodelay;		/* dword 2 */
249 	u8 rsvd6[4];		/* dword 2 */
250 	u8 rsvd7[32];		/* dword 3 */
251 } __packed;
252 
253 struct be_cmd_req_eq_create {
254 	struct be_cmd_req_hdr hdr;	/* dw[4] */
255 	u16 num_pages;		/* sword */
256 	u16 rsvd0;		/* sword */
257 	u8 context[sizeof(struct amap_eq_context) / 8];	/* dw[4] */
258 	struct phys_addr pages[8];
259 } __packed;
260 
261 struct be_cmd_resp_eq_create {
262 	struct be_cmd_resp_hdr resp_hdr;
263 	u16 eq_id;		/* sword */
264 	u16 rsvd0;		/* sword */
265 } __packed;
266 
267 struct mgmt_chap_format {
268 	u32 flags;
269 	u8  intr_chap_name[256];
270 	u8  intr_secret[16];
271 	u8  target_chap_name[256];
272 	u8  target_secret[16];
273 	u16 intr_chap_name_length;
274 	u16 intr_secret_length;
275 	u16 target_chap_name_length;
276 	u16 target_secret_length;
277 } __packed;
278 
279 struct mgmt_auth_method_format {
280 	u8	auth_method_type;
281 	u8	padding[3];
282 	struct	mgmt_chap_format chap;
283 } __packed;
284 
285 struct mgmt_conn_login_options {
286 	u8 flags;
287 	u8 header_digest;
288 	u8 data_digest;
289 	u8 rsvd0;
290 	u32 max_recv_datasegment_len_ini;
291 	u32 max_recv_datasegment_len_tgt;
292 	u32 tcp_mss;
293 	u32 tcp_window_size;
294 	struct	mgmt_auth_method_format auth_data;
295 } __packed;
296 
297 struct ip_addr_format {
298 	u16 size_of_structure;
299 	u8 reserved;
300 	u8 ip_type;
301 	u8 addr[16];
302 	u32 rsvd0;
303 } __packed;
304 
305 struct mgmt_conn_info {
306 	u32	connection_handle;
307 	u32	connection_status;
308 	u16	src_port;
309 	u16	dest_port;
310 	u16	dest_port_redirected;
311 	u16	cid;
312 	u32	estimated_throughput;
313 	struct	ip_addr_format	src_ipaddr;
314 	struct	ip_addr_format	dest_ipaddr;
315 	struct	ip_addr_format	dest_ipaddr_redirected;
316 	struct	mgmt_conn_login_options	negotiated_login_options;
317 } __packed;
318 
319 struct mgmt_session_login_options {
320 	u8	flags;
321 	u8	error_recovery_level;
322 	u16	rsvd0;
323 	u32	first_burst_length;
324 	u32	max_burst_length;
325 	u16	max_connections;
326 	u16	max_outstanding_r2t;
327 	u16	default_time2wait;
328 	u16	default_time2retain;
329 } __packed;
330 
331 struct mgmt_session_info {
332 	u32	session_handle;
333 	u32	status;
334 	u8	isid[6];
335 	u16	tsih;
336 	u32	session_flags;
337 	u16	conn_count;
338 	u16	pad;
339 	u8	target_name[224];
340 	u8	initiator_iscsiname[224];
341 	struct	mgmt_session_login_options negotiated_login_options;
342 	struct	mgmt_conn_info	conn_list[1];
343 } __packed;
344 
345 struct be_cmd_get_session_req {
346 	struct be_cmd_req_hdr hdr;
347 	u32 session_handle;
348 } __packed;
349 
350 struct be_cmd_get_session_resp {
351 	struct be_cmd_resp_hdr hdr;
352 	struct mgmt_session_info session_info;
353 } __packed;
354 
355 struct mac_addr {
356 	u16 size_of_structure;
357 	u8 addr[ETH_ALEN];
358 } __packed;
359 
360 struct be_cmd_get_boot_target_req {
361 	struct be_cmd_req_hdr hdr;
362 } __packed;
363 
364 struct be_cmd_get_boot_target_resp {
365 	struct be_cmd_resp_hdr hdr;
366 	u32  boot_session_count;
367 	int  boot_session_handle;
368 };
369 
370 struct be_cmd_reopen_session_req {
371 	struct be_cmd_req_hdr hdr;
372 #define BE_REOPEN_ALL_SESSIONS  0x00
373 #define BE_REOPEN_BOOT_SESSIONS 0x01
374 #define BE_REOPEN_A_SESSION     0x02
375 	u16 reopen_type;
376 	u16 rsvd;
377 	u32 session_handle;
378 } __packed;
379 
380 struct be_cmd_reopen_session_resp {
381 	struct be_cmd_resp_hdr hdr;
382 	u32 rsvd;
383 	u32 session_handle;
384 } __packed;
385 
386 
387 struct be_cmd_mac_query_req {
388 	struct be_cmd_req_hdr hdr;
389 	u8 type;
390 	u8 permanent;
391 	u16 if_id;
392 } __packed;
393 
394 struct be_cmd_get_mac_resp {
395 	struct be_cmd_resp_hdr hdr;
396 	struct mac_addr mac;
397 };
398 
399 struct be_ip_addr_subnet_format {
400 	u16 size_of_structure;
401 	u8 ip_type;
402 	u8 ipv6_prefix_length;
403 	u8 addr[16];
404 	u8 subnet_mask[16];
405 	u32 rsvd0;
406 } __packed;
407 
408 struct be_cmd_get_if_info_req {
409 	struct be_cmd_req_hdr hdr;
410 	u32 interface_hndl;
411 	u32 ip_type;
412 } __packed;
413 
414 struct be_cmd_get_if_info_resp {
415 	struct be_cmd_req_hdr hdr;
416 	u32 interface_hndl;
417 	u32 vlan_priority;
418 	u32 ip_addr_count;
419 	u32 dhcp_state;
420 	struct be_ip_addr_subnet_format ip_addr;
421 } __packed;
422 
423 struct be_ip_addr_record {
424 	u32 action;
425 	u32 interface_hndl;
426 	struct be_ip_addr_subnet_format ip_addr;
427 	u32 status;
428 } __packed;
429 
430 struct be_ip_addr_record_params {
431 	u32 record_entry_count;
432 	struct be_ip_addr_record ip_record;
433 } __packed;
434 
435 struct be_cmd_set_ip_addr_req {
436 	struct be_cmd_req_hdr hdr;
437 	struct be_ip_addr_record_params ip_params;
438 } __packed;
439 
440 
441 struct be_cmd_set_dhcp_req {
442 	struct be_cmd_req_hdr hdr;
443 	u32 interface_hndl;
444 	u32 ip_type;
445 	u32 flags;
446 	u32 retry_count;
447 } __packed;
448 
449 struct be_cmd_rel_dhcp_req {
450 	struct be_cmd_req_hdr hdr;
451 	u32 interface_hndl;
452 	u32 ip_type;
453 } __packed;
454 
455 struct be_cmd_set_def_gateway_req {
456 	struct be_cmd_req_hdr hdr;
457 	u32 action;
458 	struct ip_addr_format ip_addr;
459 } __packed;
460 
461 struct be_cmd_get_def_gateway_req {
462 	struct be_cmd_req_hdr hdr;
463 	u32 ip_type;
464 } __packed;
465 
466 struct be_cmd_get_def_gateway_resp {
467 	struct be_cmd_req_hdr hdr;
468 	struct ip_addr_format ip_addr;
469 } __packed;
470 
471 #define BEISCSI_VLAN_DISABLE	0xFFFF
472 struct be_cmd_set_vlan_req {
473 	struct be_cmd_req_hdr hdr;
474 	u32 interface_hndl;
475 	u32 vlan_priority;
476 } __packed;
477 /******************** Create CQ ***************************/
478 /**
479  * Pseudo amap definition in which each bit of the actual structure is defined
480  * as a byte - used to calculate offset/shift/mask of each field
481  */
482 struct amap_cq_context {
483 	u8 cidx[11];		/* dword 0 */
484 	u8 rsvd0;		/* dword 0 */
485 	u8 coalescwm[2];	/* dword 0 */
486 	u8 nodelay;		/* dword 0 */
487 	u8 epidx[11];		/* dword 0 */
488 	u8 rsvd1;		/* dword 0 */
489 	u8 count[2];		/* dword 0 */
490 	u8 valid;		/* dword 0 */
491 	u8 solevent;		/* dword 0 */
492 	u8 eventable;		/* dword 0 */
493 	u8 pidx[11];		/* dword 1 */
494 	u8 rsvd2;		/* dword 1 */
495 	u8 pd[10];		/* dword 1 */
496 	u8 eqid[8];		/* dword 1 */
497 	u8 stalled;		/* dword 1 */
498 	u8 armed;		/* dword 1 */
499 	u8 rsvd3[4];		/* dword 2 */
500 	u8 func[8];		/* dword 2 */
501 	u8 rsvd4[20];		/* dword 2 */
502 	u8 rsvd5[32];		/* dword 3 */
503 } __packed;
504 
505 struct amap_cq_context_v2 {
506 	u8 rsvd0[12];   /* dword 0 */
507 	u8 coalescwm[2];    /* dword 0 */
508 	u8 nodelay;     /* dword 0 */
509 	u8 rsvd1[12];   /* dword 0 */
510 	u8 count[2];    /* dword 0 */
511 	u8 valid;       /* dword 0 */
512 	u8 rsvd2;       /* dword 0 */
513 	u8 eventable;   /* dword 0 */
514 	u8 eqid[16];    /* dword 1 */
515 	u8 rsvd3[15];   /* dword 1 */
516 	u8 armed;       /* dword 1 */
517 	u8 cqecount[16];/* dword 2 */
518 	u8 rsvd4[16];   /* dword 2 */
519 	u8 rsvd5[32];   /* dword 3 */
520 };
521 
522 struct be_cmd_req_cq_create {
523 	struct be_cmd_req_hdr hdr;
524 	u16 num_pages;
525 	u8 page_size;
526 	u8 rsvd0;
527 	u8 context[sizeof(struct amap_cq_context) / 8];
528 	struct phys_addr pages[4];
529 } __packed;
530 
531 struct be_cmd_resp_cq_create {
532 	struct be_cmd_resp_hdr hdr;
533 	u16 cq_id;
534 	u16 rsvd0;
535 } __packed;
536 
537 /******************** Create MCCQ ***************************/
538 /**
539  * Pseudo amap definition in which each bit of the actual structure is defined
540  * as a byte - used to calculate offset/shift/mask of each field
541  */
542 struct amap_mcc_context {
543 	u8 con_index[14];
544 	u8 rsvd0[2];
545 	u8 ring_size[4];
546 	u8 fetch_wrb;
547 	u8 fetch_r2t;
548 	u8 cq_id[10];
549 	u8 prod_index[14];
550 	u8 fid[8];
551 	u8 pdid[9];
552 	u8 valid;
553 	u8 rsvd1[32];
554 	u8 rsvd2[32];
555 } __packed;
556 
557 struct be_cmd_req_mcc_create {
558 	struct be_cmd_req_hdr hdr;
559 	u16 num_pages;
560 	u16 rsvd0;
561 	u8 context[sizeof(struct amap_mcc_context) / 8];
562 	struct phys_addr pages[8];
563 } __packed;
564 
565 struct be_cmd_resp_mcc_create {
566 	struct be_cmd_resp_hdr hdr;
567 	u16 id;
568 	u16 rsvd0;
569 } __packed;
570 
571 /******************** Q Destroy  ***************************/
572 /* Type of Queue to be destroyed */
573 enum {
574 	QTYPE_EQ = 1,
575 	QTYPE_CQ,
576 	QTYPE_MCCQ,
577 	QTYPE_WRBQ,
578 	QTYPE_DPDUQ,
579 	QTYPE_SGL
580 };
581 
582 struct be_cmd_req_q_destroy {
583 	struct be_cmd_req_hdr hdr;
584 	u16 id;
585 	u16 bypass_flush;	/* valid only for rx q destroy */
586 } __packed;
587 
588 struct macaddr {
589 	u8 byte[ETH_ALEN];
590 };
591 
592 struct be_cmd_req_mcast_mac_config {
593 	struct be_cmd_req_hdr hdr;
594 	u16 num_mac;
595 	u8 promiscuous;
596 	u8 interface_id;
597 	struct macaddr mac[32];
598 } __packed;
599 
600 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
601 {
602 	return wrb->payload.embedded_payload;
603 }
604 
605 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
606 {
607 	return &wrb->payload.sgl[0];
608 }
609 
610 /******************** Modify EQ Delay *******************/
611 struct be_cmd_req_modify_eq_delay {
612 	struct be_cmd_req_hdr hdr;
613 	u32 num_eq;
614 	struct {
615 		u32 eq_id;
616 		u32 phase;
617 		u32 delay_multiplier;
618 	} delay[8];
619 } __packed;
620 
621 /******************** Get MAC ADDR *******************/
622 
623 #define ETH_ALEN	6
624 
625 struct be_cmd_get_nic_conf_req {
626 	struct be_cmd_req_hdr hdr;
627 	u32 nic_port_count;
628 	u32 speed;
629 	u32 max_speed;
630 	u32 link_state;
631 	u32 max_frame_size;
632 	u16 size_of_structure;
633 	u8 mac_address[ETH_ALEN];
634 	u32 rsvd[23];
635 };
636 
637 struct be_cmd_get_nic_conf_resp {
638 	struct be_cmd_resp_hdr hdr;
639 	u32 nic_port_count;
640 	u32 speed;
641 	u32 max_speed;
642 	u32 link_state;
643 	u32 max_frame_size;
644 	u16 size_of_structure;
645 	u8 mac_address[6];
646 	u32 rsvd[23];
647 };
648 
649 #define BEISCSI_ALIAS_LEN 32
650 
651 struct be_cmd_hba_name {
652 	struct be_cmd_req_hdr hdr;
653 	u16 flags;
654 	u16 rsvd0;
655 	u8 initiator_name[ISCSI_NAME_LEN];
656 	u8 initiator_alias[BEISCSI_ALIAS_LEN];
657 } __packed;
658 
659 struct be_cmd_ntwk_link_status_req {
660 	struct be_cmd_req_hdr hdr;
661 	u32 rsvd0;
662 } __packed;
663 
664 /*** Port Speed Values ***/
665 #define BE2ISCSI_LINK_SPEED_ZERO	0x00
666 #define BE2ISCSI_LINK_SPEED_10MBPS	0x01
667 #define BE2ISCSI_LINK_SPEED_100MBPS	0x02
668 #define BE2ISCSI_LINK_SPEED_1GBPS	0x03
669 #define BE2ISCSI_LINK_SPEED_10GBPS	0x04
670 struct be_cmd_ntwk_link_status_resp {
671 	struct be_cmd_resp_hdr hdr;
672 	u8 phys_port;
673 	u8 mac_duplex;
674 	u8 mac_speed;
675 	u8 mac_fault;
676 	u8 mgmt_mac_duplex;
677 	u8 mgmt_mac_speed;
678 	u16 qos_link_speed;
679 	u32 logical_link_speed;
680 } __packed;
681 
682 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
683 			  struct be_queue_info *eq, int eq_delay);
684 
685 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
686 			  struct be_queue_info *cq, struct be_queue_info *eq,
687 			  bool sol_evts, bool no_delay,
688 			  int num_cqe_dma_coalesce);
689 
690 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
691 			  int type);
692 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
693 			struct be_queue_info *mccq,
694 			struct be_queue_info *cq);
695 
696 int be_poll_mcc(struct be_ctrl_info *ctrl);
697 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
698 				      struct beiscsi_hba *phba);
699 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
700 unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba);
701 
702 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
703 
704 int beiscsi_mccq_compl(struct beiscsi_hba *phba,
705 			uint32_t tag, struct be_mcc_wrb **wrb, void *cmd_va);
706 /*ISCSI Functuions */
707 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
708 int be_cmd_fw_uninit(struct be_ctrl_info *ctrl);
709 
710 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
711 struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba);
712 int be_mcc_notify_wait(struct beiscsi_hba *phba);
713 void be_mcc_notify(struct beiscsi_hba *phba);
714 unsigned int alloc_mcc_tag(struct beiscsi_hba *phba);
715 void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
716 		struct be_async_event_link_state *evt);
717 int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl,
718 				    struct be_mcc_compl *compl);
719 
720 int be_mbox_notify(struct be_ctrl_info *ctrl);
721 
722 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
723 				    struct be_queue_info *cq,
724 				    struct be_queue_info *dq, int length,
725 				    int entry_size);
726 
727 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
728 				struct be_dma_mem *q_mem, u32 page_offset,
729 				u32 num_pages);
730 
731 int beiscsi_cmd_reset_function(struct beiscsi_hba *phba);
732 
733 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
734 		       struct be_queue_info *wrbq);
735 
736 bool is_link_state_evt(u32 trailer);
737 
738 /* Configuration Functions */
739 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
740 
741 struct be_default_pdu_context {
742 	u32 dw[4];
743 } __packed;
744 
745 struct amap_be_default_pdu_context {
746 	u8 dbuf_cindex[13];	/* dword 0 */
747 	u8 rsvd0[3];		/* dword 0 */
748 	u8 ring_size[4];	/* dword 0 */
749 	u8 ring_state[4];	/* dword 0 */
750 	u8 rsvd1[8];		/* dword 0 */
751 	u8 dbuf_pindex[13];	/* dword 1 */
752 	u8 rsvd2;		/* dword 1 */
753 	u8 pci_func_id[8];	/* dword 1 */
754 	u8 rx_pdid[9];		/* dword 1 */
755 	u8 rx_pdid_valid;	/* dword 1 */
756 	u8 default_buffer_size[16];	/* dword 2 */
757 	u8 cq_id_recv[10];	/* dword 2 */
758 	u8 rx_pdid_not_valid;	/* dword 2 */
759 	u8 rsvd3[5];		/* dword 2 */
760 	u8 rsvd4[32];		/* dword 3 */
761 } __packed;
762 
763 struct amap_default_pdu_context_ext {
764 	u8 rsvd0[16];   /* dword 0 */
765 	u8 ring_size[4];    /* dword 0 */
766 	u8 rsvd1[12];   /* dword 0 */
767 	u8 rsvd2[22];   /* dword 1 */
768 	u8 rx_pdid[9];  /* dword 1 */
769 	u8 rx_pdid_valid;   /* dword 1 */
770 	u8 default_buffer_size[16]; /* dword 2 */
771 	u8 cq_id_recv[16];  /* dword 2 */
772 	u8 rsvd3[32];   /* dword 3 */
773 } __packed;
774 
775 struct be_defq_create_req {
776 	struct be_cmd_req_hdr hdr;
777 	u16 num_pages;
778 	u8 ulp_num;
779 	u8 rsvd0;
780 	struct be_default_pdu_context context;
781 	struct phys_addr pages[8];
782 } __packed;
783 
784 struct be_defq_create_resp {
785 	struct be_cmd_req_hdr hdr;
786 	u16 id;
787 	u16 rsvd0;
788 } __packed;
789 
790 struct be_post_sgl_pages_req {
791 	struct be_cmd_req_hdr hdr;
792 	u16 num_pages;
793 	u16 page_offset;
794 	u32 rsvd0;
795 	struct phys_addr pages[26];
796 	u32 rsvd1;
797 } __packed;
798 
799 struct be_wrbq_create_req {
800 	struct be_cmd_req_hdr hdr;
801 	u16 num_pages;
802 	u8 ulp_num;
803 	u8 rsvd0;
804 	struct phys_addr pages[8];
805 } __packed;
806 
807 struct be_wrbq_create_resp {
808 	struct be_cmd_resp_hdr resp_hdr;
809 	u16 cid;
810 	u16 rsvd0;
811 } __packed;
812 
813 #define SOL_CID_MASK		0x0000FFC0
814 #define SOL_CODE_MASK		0x0000003F
815 #define SOL_WRB_INDEX_MASK	0x00FF0000
816 #define SOL_CMD_WND_MASK	0xFF000000
817 #define SOL_RES_CNT_MASK	0x7FFFFFFF
818 #define SOL_EXP_CMD_SN_MASK	0xFFFFFFFF
819 #define SOL_HW_STS_MASK		0x000000FF
820 #define SOL_STS_MASK		0x0000FF00
821 #define SOL_RESP_MASK		0x00FF0000
822 #define SOL_FLAGS_MASK		0x7F000000
823 #define SOL_S_MASK		0x80000000
824 
825 struct sol_cqe {
826 	u32 dw[4];
827 };
828 
829 struct amap_sol_cqe {
830 	u8 hw_sts[8];		/* dword 0 */
831 	u8 i_sts[8];		/* dword 0 */
832 	u8 i_resp[8];		/* dword 0 */
833 	u8 i_flags[7];		/* dword 0 */
834 	u8 s;			/* dword 0 */
835 	u8 i_exp_cmd_sn[32];	/* dword 1 */
836 	u8 code[6];		/* dword 2 */
837 	u8 cid[10];		/* dword 2 */
838 	u8 wrb_index[8];	/* dword 2 */
839 	u8 i_cmd_wnd[8];	/* dword 2 */
840 	u8 i_res_cnt[31];	/* dword 3 */
841 	u8 valid;		/* dword 3 */
842 } __packed;
843 
844 #define SOL_ICD_INDEX_MASK	0x0003FFC0
845 struct amap_sol_cqe_ring {
846 	u8 hw_sts[8];		/* dword 0 */
847 	u8 i_sts[8];		/* dword 0 */
848 	u8 i_resp[8];		/* dword 0 */
849 	u8 i_flags[7];		/* dword 0 */
850 	u8 s;			/* dword 0 */
851 	u8 i_exp_cmd_sn[32];	/* dword 1 */
852 	u8 code[6];		/* dword 2 */
853 	u8 icd_index[12];	/* dword 2 */
854 	u8 rsvd[6];		/* dword 2 */
855 	u8 i_cmd_wnd[8];	/* dword 2 */
856 	u8 i_res_cnt[31];	/* dword 3 */
857 	u8 valid;		/* dword 3 */
858 } __packed;
859 
860 struct amap_sol_cqe_v2 {
861 	u8 hw_sts[8];   /* dword 0 */
862 	u8 i_sts[8];    /* dword 0 */
863 	u8 wrb_index[16];   /* dword 0 */
864 	u8 i_exp_cmd_sn[32];    /* dword 1 */
865 	u8 code[6]; /* dword 2 */
866 	u8 cmd_cmpl;    /* dword 2 */
867 	u8 rsvd0;   /* dword 2 */
868 	u8 i_cmd_wnd[8];    /* dword 2 */
869 	u8 cid[13]; /* dword 2 */
870 	u8 u;   /* dword 2 */
871 	u8 o;   /* dword 2 */
872 	u8 s;   /* dword 2 */
873 	u8 i_res_cnt[31];   /* dword 3 */
874 	u8 valid;   /* dword 3 */
875 } __packed;
876 
877 struct common_sol_cqe {
878 	u32 exp_cmdsn;
879 	u32 res_cnt;
880 	u16 wrb_index;
881 	u16 cid;
882 	u8 hw_sts;
883 	u8 cmd_wnd;
884 	u8 res_flag; /* the s feild of structure */
885 	u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
886 	u8 i_flags; /* for skh or the u and o feilds */
887 	u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
888 };
889 
890 /*** iSCSI ack/driver message completions ***/
891 struct amap_it_dmsg_cqe {
892 	u8 ack_num[32]; /* DWORD 0 */
893 	u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
894 	u8 code[6]; /* DWORD 2 */
895 	u8 cid[10]; /* DWORD 2 */
896 	u8 wrb_idx[8];  /* DWORD 2 */
897 	u8 rsvd0[8];    /* DWORD 2*/
898 	u8 rsvd1[31];   /* DWORD 3*/
899 	u8 valid;   /* DWORD 3 */
900 } __packed;
901 
902 struct amap_it_dmsg_cqe_v2 {
903 	u8 ack_num[32]; /* DWORD 0 */
904 	u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
905 	u8 code[6]; /* DWORD 2 */
906 	u8 rsvd0[10];   /* DWORD 2 */
907 	u8 wrb_idx[16]; /* DWORD 2 */
908 	u8 rsvd1[16];   /* DWORD 3 */
909 	u8 cid[13]; /* DWORD 3 */
910 	u8 rsvd2[2];    /* DWORD 3 */
911 	u8 valid;   /* DWORD 3 */
912 } __packed;
913 
914 
915 /**
916  * Post WRB Queue Doorbell Register used by the host Storage
917  * stack to notify the
918  * controller of a posted Work Request Block
919  */
920 #define DB_WRB_POST_CID_MASK		0xFFFF	/* bits 0 - 16 */
921 #define DB_DEF_PDU_WRB_INDEX_MASK	0xFF	/* bits 0 - 9 */
922 
923 #define DB_DEF_PDU_WRB_INDEX_SHIFT	16
924 #define DB_DEF_PDU_NUM_POSTED_SHIFT	24
925 
926 struct fragnum_bits_for_sgl_cra_in {
927 	struct be_cmd_req_hdr hdr;
928 	u32 num_bits;
929 } __packed;
930 
931 struct iscsi_cleanup_req {
932 	struct be_cmd_req_hdr hdr;
933 	u16 chute;
934 	u8 hdr_ring_id;
935 	u8 data_ring_id;
936 
937 } __packed;
938 
939 struct eq_delay {
940 	u32 eq_id;
941 	u32 phase;
942 	u32 delay_multiplier;
943 } __packed;
944 
945 struct be_eq_delay_params_in {
946 	struct be_cmd_req_hdr hdr;
947 	u32 num_eq;
948 	struct eq_delay delay[8];
949 } __packed;
950 
951 struct tcp_connect_and_offload_in {
952 	struct be_cmd_req_hdr hdr;
953 	struct ip_addr_format ip_address;
954 	u16 tcp_port;
955 	u16 cid;
956 	u16 cq_id;
957 	u16 defq_id;
958 	struct phys_addr dataout_template_pa;
959 	u16 hdr_ring_id;
960 	u16 data_ring_id;
961 	u8 do_offload;
962 	u8 rsvd0[3];
963 } __packed;
964 
965 struct tcp_connect_and_offload_out {
966 	struct be_cmd_resp_hdr hdr;
967 	u32 connection_handle;
968 	u16 cid;
969 	u16 rsvd0;
970 
971 } __packed;
972 
973 struct be_mcc_wrb_context {
974 	struct MCC_WRB *wrb;
975 	int *users_final_status;
976 } __packed;
977 
978 #define DB_DEF_PDU_RING_ID_MASK		0x3FF	/* bits 0 - 9 */
979 #define DB_DEF_PDU_CQPROC_MASK		0x3FFF	/* bits 0 - 9 */
980 #define DB_DEF_PDU_REARM_SHIFT		14
981 #define DB_DEF_PDU_EVENT_SHIFT		15
982 #define DB_DEF_PDU_CQPROC_SHIFT		16
983 
984 struct dmsg_cqe {
985 	u32 dw[4];
986 } __packed;
987 
988 struct tcp_upload_params_in {
989 	struct be_cmd_req_hdr hdr;
990 	u16 id;
991 	u16 upload_type;
992 	u32 reset_seq;
993 } __packed;
994 
995 struct tcp_upload_params_out {
996 	u32 dw[32];
997 } __packed;
998 
999 union tcp_upload_params {
1000 	struct tcp_upload_params_in request;
1001 	struct tcp_upload_params_out response;
1002 } __packed;
1003 
1004 struct be_ulp_fw_cfg {
1005 	u32 ulp_mode;
1006 	u32 etx_base;
1007 	u32 etx_count;
1008 	u32 sq_base;
1009 	u32 sq_count;
1010 	u32 rq_base;
1011 	u32 rq_count;
1012 	u32 dq_base;
1013 	u32 dq_count;
1014 	u32 lro_base;
1015 	u32 lro_count;
1016 	u32 icd_base;
1017 	u32 icd_count;
1018 };
1019 
1020 struct be_fw_cfg {
1021 	struct be_cmd_req_hdr hdr;
1022 	u32 be_config_number;
1023 	u32 asic_revision;
1024 	u32 phys_port;
1025 	u32 function_mode;
1026 	struct be_ulp_fw_cfg ulp[2];
1027 	u32 function_caps;
1028 } __packed;
1029 
1030 struct be_cmd_get_all_if_id_req {
1031 	struct be_cmd_req_hdr hdr;
1032 	u32 if_count;
1033 	u32 if_hndl_list[1];
1034 } __packed;
1035 
1036 #define ISCSI_OPCODE_SCSI_DATA_OUT		5
1037 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1038 #define OPCODE_COMMON_MODIFY_EQ_DELAY		41
1039 #define OPCODE_COMMON_ISCSI_CLEANUP		59
1040 #define	OPCODE_COMMON_TCP_UPLOAD		56
1041 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1042 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1043 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME	6
1044 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME	7
1045 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
1046 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1047 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1048 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1049 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET	52
1050 #define OPCODE_COMMON_WRITE_FLASH		96
1051 #define OPCODE_COMMON_READ_FLASH		97
1052 
1053 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
1054 #define CMD_ISCSI_COMMAND_INVALIDATE		1
1055 #define CMD_ISCSI_CONNECTION_INVALIDATE		0x8001
1056 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST	0x8002
1057 
1058 #define INI_WR_CMD			1	/* Initiator write command */
1059 #define INI_TMF_CMD			2	/* Initiator TMF command */
1060 #define INI_NOPOUT_CMD			3	/* Initiator; Send a NOP-OUT */
1061 #define INI_RD_CMD			5	/* Initiator requesting to send
1062 						 * a read command
1063 						 */
1064 #define TGT_CTX_UPDT_CMD		7	/* Target context update */
1065 #define TGT_STS_CMD			8	/* Target R2T and other BHS
1066 						 * where only the status number
1067 						 * need to be updated
1068 						 */
1069 #define TGT_DATAIN_CMD			9	/* Target Data-Ins in response
1070 						 * to read command
1071 						 */
1072 #define TGT_SOS_PDU			10	/* Target:standalone status
1073 						 * response
1074 						 */
1075 #define TGT_DM_CMD			11	/* Indicates that the bhs
1076 						 *  preparedby
1077 						 * driver should not be touched
1078 						 */
1079 /* --- CMD_CHUTE_TYPE --- */
1080 #define CMD_CONNECTION_CHUTE_0		1
1081 #define CMD_CONNECTION_CHUTE_1		2
1082 #define CMD_CONNECTION_CHUTE_2		3
1083 
1084 #define EQ_MAJOR_CODE_COMPLETION	0
1085 
1086 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
1087 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
1088 
1089 /* --- CONNECTION_UPLOAD_PARAMS --- */
1090 /* These parameters are used to define the type of upload desired.  */
1091 #define CONNECTION_UPLOAD_GRACEFUL      1	/* Graceful upload  */
1092 #define CONNECTION_UPLOAD_ABORT_RESET   2	/* Abortive upload with
1093 						 * reset
1094 						 */
1095 #define CONNECTION_UPLOAD_ABORT		3	/* Abortive upload without
1096 						 * reset
1097 						 */
1098 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4	/* Abortive upload with reset,
1099 						 * sequence number by driver  */
1100 
1101 /* Returns the number of items in the field array. */
1102 #define BE_NUMBER_OF_FIELD(_type_, _field_)	\
1103 	(FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1104 
1105 /**
1106  * Different types of iSCSI completions to host driver for both initiator
1107  * and taget mode
1108  * of operation.
1109  */
1110 #define SOL_CMD_COMPLETE		1	/* Solicited command completed
1111 						 * normally
1112 						 */
1113 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2	/* Solicited command got
1114 						 * invalidated internally due
1115 						 * to Data Digest error
1116 						 */
1117 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3	/* Connection got invalidated
1118 						 * internally
1119 						 * due to a received PDU
1120 						 * size > DSL
1121 						 */
1122 #define CXN_KILLED_BURST_LEN_MISMATCH   4	/* Connection got invalidated
1123 						 * internally due ti received
1124 						 * PDU sequence size >
1125 						 * FBL/MBL.
1126 						 */
1127 #define CXN_KILLED_AHS_RCVD		5	/* Connection got invalidated
1128 						 * internally due to a received
1129 						 * PDU Hdr that has
1130 						 * AHS */
1131 #define CXN_KILLED_HDR_DIGEST_ERR	6	/* Connection got invalidated
1132 						 * internally due to Hdr Digest
1133 						 * error
1134 						 */
1135 #define CXN_KILLED_UNKNOWN_HDR		7	/* Connection got invalidated
1136 						 *  internally
1137 						 * due to a bad opcode in the
1138 						 * pdu hdr
1139 						 */
1140 #define CXN_KILLED_STALE_ITT_TTT_RCVD	8	/* Connection got invalidated
1141 						 * internally due to a received
1142 						 * ITT/TTT that does not belong
1143 						 * to this Connection
1144 						 */
1145 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9	/* Connection got invalidated
1146 						 * internally due to received
1147 						 * ITT/TTT value > Max
1148 						 * Supported ITTs/TTTs
1149 						 */
1150 #define CXN_KILLED_RST_RCVD		10	/* Connection got invalidated
1151 						 * internally due to an
1152 						 * incoming TCP RST
1153 						 */
1154 #define CXN_KILLED_TIMED_OUT		11	/* Connection got invalidated
1155 						 * internally due to timeout on
1156 						 * tcp segment 12 retransmit
1157 						 * attempts failed
1158 						 */
1159 #define CXN_KILLED_RST_SENT		12	/* Connection got invalidated
1160 						 * internally due to TCP RST
1161 						 * sent by the Tx side
1162 						 */
1163 #define CXN_KILLED_FIN_RCVD		13	/* Connection got invalidated
1164 						 * internally due to an
1165 						 * incoming TCP FIN.
1166 						 */
1167 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD	14	/* Connection got invalidated
1168 						 * internally due to bad
1169 						 * unsolicited PDU Unsolicited
1170 						 * PDUs are PDUs with
1171 						 * ITT=0xffffffff
1172 						 */
1173 #define CXN_KILLED_BAD_WRB_INDEX_ERROR	15	/* Connection got invalidated
1174 						 * internally due to bad WRB
1175 						 * index.
1176 						 */
1177 #define CXN_KILLED_OVER_RUN_RESIDUAL	16	/* Command got invalidated
1178 						 * internally due to received
1179 						 * command has residual
1180 						 * over run bytes.
1181 						 */
1182 #define CXN_KILLED_UNDER_RUN_RESIDUAL	17	/* Command got invalidated
1183 						 * internally due to received
1184 						 * command has residual under
1185 						 * run bytes.
1186 						 */
1187 #define CMD_KILLED_INVALID_STATSN_RCVD	18	/* Command got invalidated
1188 						 * internally due to a received
1189 						 * PDU has an invalid StatusSN
1190 						 */
1191 #define CMD_KILLED_INVALID_R2T_RCVD	19	/* Command got invalidated
1192 						 * internally due to a received
1193 						 * an R2T with some invalid
1194 						 * fields in it
1195 						 */
1196 #define CMD_CXN_KILLED_LUN_INVALID	20	/* Command got invalidated
1197 						 * internally due to received
1198 						 * PDU has an invalid LUN.
1199 						 */
1200 #define CMD_CXN_KILLED_ICD_INVALID	21	/* Command got invalidated
1201 						 * internally due to the
1202 						 * corresponding ICD not in a
1203 						 * valid state
1204 						 */
1205 #define CMD_CXN_KILLED_ITT_INVALID	22	/* Command got invalidated due
1206 						 *  to received PDU has an
1207 						 *  invalid ITT.
1208 						 */
1209 #define CMD_CXN_KILLED_SEQ_OUTOFORDER	23	/* Command got invalidated due
1210 						 * to received sequence buffer
1211 						 * offset is out of order.
1212 						 */
1213 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24	/* Command got invalidated
1214 						 * internally due to a
1215 						 * received PDU has an invalid
1216 						 * DataSN
1217 						 */
1218 #define CXN_INVALIDATE_NOTIFY		25	/* Connection invalidation
1219 						 * completion notify.
1220 						 */
1221 #define CXN_INVALIDATE_INDEX_NOTIFY	26	/* Connection invalidation
1222 						 * completion
1223 						 * with data PDU index.
1224 						 */
1225 #define CMD_INVALIDATED_NOTIFY		27	/* Command invalidation
1226 						 * completionnotifify.
1227 						 */
1228 #define UNSOL_HDR_NOTIFY		28	/* Unsolicited header notify.*/
1229 #define UNSOL_DATA_NOTIFY		29	/* Unsolicited data notify.*/
1230 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY	30	/* Unsolicited data digest
1231 						 * error notify.
1232 						 */
1233 #define DRIVERMSG_NOTIFY		31	/* TCP acknowledge based
1234 						 * notification.
1235 						 */
1236 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1237 						  * internally due to command
1238 						  * and data are not on same
1239 						  * connection.
1240 						  */
1241 #define SOL_CMD_KILLED_DIF_ERR		33	/* Solicited command got
1242 						 *  invalidated internally due
1243 						 *  to DIF error
1244 						 */
1245 #define CXN_KILLED_SYN_RCVD		34	/* Connection got invalidated
1246 						 * internally due to incoming
1247 						 * TCP SYN
1248 						 */
1249 #define CXN_KILLED_IMM_DATA_RCVD	35	/* Connection got invalidated
1250 						 * internally due to an
1251 						 * incoming Unsolicited PDU
1252 						 * that has immediate data on
1253 						 * the cxn
1254 						 */
1255 
1256 int beiscsi_pci_soft_reset(struct beiscsi_hba *phba);
1257 int be_chk_reset_complete(struct beiscsi_hba *phba);
1258 
1259 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1260 			bool embedded, u8 sge_cnt);
1261 
1262 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1263 			u8 subsystem, u8 opcode, int cmd_len);
1264 
1265 #endif /* !BEISCSI_CMDS_H */
1266