xref: /openbmc/linux/drivers/scsi/be2iscsi/be_cmds.h (revision d7a3d85e)
1 /**
2  * Copyright (C) 2005 - 2015 Avago Technologies
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@avagotech.com
12  *
13  * Avago Technologies
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 	__le32 pa_lo;
30 	__le32 pa_hi;
31 	__le32 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 #define EMBED_MBX_MAX_PAYLOAD_SIZE  220
44 		u8 embedded_payload[236];	/* used by embedded cmds */
45 		struct be_sge sgl[19];	/* used by non-embedded cmds */
46 	} payload;
47 };
48 
49 #define CQE_FLAGS_VALID_MASK (1 << 31)
50 #define CQE_FLAGS_ASYNC_MASK (1 << 30)
51 #define CQE_FLAGS_COMPLETED_MASK	(1 << 28)
52 #define CQE_FLAGS_CONSUMED_MASK		(1 << 27)
53 
54 /* Completion Status */
55 #define MCC_STATUS_SUCCESS 0x0
56 #define MCC_STATUS_FAILED 0x1
57 #define MCC_STATUS_ILLEGAL_REQUEST 0x2
58 #define MCC_STATUS_ILLEGAL_FIELD 0x3
59 #define MCC_STATUS_INSUFFICIENT_BUFFER 0x4
60 
61 #define CQE_STATUS_COMPL_MASK 0xFFFF
62 #define CQE_STATUS_COMPL_SHIFT 0	/* bits 0 - 15 */
63 #define CQE_STATUS_EXTD_MASK 0xFFFF
64 #define CQE_STATUS_EXTD_SHIFT 16		/* bits 0 - 15 */
65 #define CQE_STATUS_ADDL_MASK	0xFF00
66 #define CQE_STATUS_MASK	0xFF
67 #define CQE_STATUS_ADDL_SHIFT	0x08
68 #define CQE_STATUS_WRB_MASK	0xFF0000
69 #define CQE_STATUS_WRB_SHIFT	16
70 #define BEISCSI_HOST_MBX_TIMEOUT (110 * 1000)
71 #define BEISCSI_FW_MBX_TIMEOUT	100
72 
73 /* MBOX Command VER */
74 #define MBX_CMD_VER1	0x01
75 #define MBX_CMD_VER2	0x02
76 
77 struct be_mcc_compl {
78 	u32 status;		/* dword 0 */
79 	u32 tag0;		/* dword 1 */
80 	u32 tag1;		/* dword 2 */
81 	u32 flags;		/* dword 3 */
82 };
83 
84 /********* Mailbox door bell *************/
85 /**
86  * Used for driver communication with the FW.
87  * The software must write this register twice to post any command. First,
88  * it writes the register with hi=1 and the upper bits of the physical address
89  * for the MAILBOX structure. Software must poll the ready bit until this
90  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
91  * bits in the address. It must poll the ready bit until the command is
92  * complete. Upon completion, the MAILBOX will contain a valid completion
93  * queue entry.
94  */
95 #define MPU_MAILBOX_DB_OFFSET	0x160
96 #define MPU_MAILBOX_DB_RDY_MASK	0x1	/* bit 0 */
97 #define MPU_MAILBOX_DB_HI_MASK	0x2	/* bit 1 */
98 
99 /********** MPU semphore ******************/
100 #define MPU_EP_SEMAPHORE_OFFSET 0xac
101 #define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
102 #define EP_SEMAPHORE_POST_ERR_MASK 0x1
103 #define EP_SEMAPHORE_POST_ERR_SHIFT 31
104 
105 /********** MCC door bell ************/
106 #define DB_MCCQ_OFFSET 0x140
107 #define DB_MCCQ_RING_ID_MASK 0xFFFF		/* bits 0 - 15 */
108 /* Number of entries posted */
109 #define DB_MCCQ_NUM_POSTED_SHIFT 16		/* bits 16 - 29 */
110 
111 /* MPU semphore POST stage values */
112 #define POST_STAGE_ARMFW_RDY		0xc000	/* FW is done with POST */
113 
114 /**
115  * When the async bit of mcc_compl is set, the last 4 bytes of
116  * mcc_compl is interpreted as follows:
117  */
118 #define ASYNC_TRAILER_EVENT_CODE_SHIFT	8	/* bits 8 - 15 */
119 #define ASYNC_TRAILER_EVENT_CODE_MASK	0xFF
120 #define ASYNC_EVENT_CODE_LINK_STATE	0x1
121 #define ASYNC_EVENT_CODE_ISCSI		0x4
122 
123 #define ASYNC_TRAILER_EVENT_TYPE_SHIFT	16	/* bits 16 - 23 */
124 #define ASYNC_TRAILER_EVENT_TYPE_MASK	0xF
125 #define ASYNC_EVENT_NEW_ISCSI_TGT_DISC	0x4
126 #define ASYNC_EVENT_NEW_ISCSI_CONN	0x5
127 #define ASYNC_EVENT_NEW_TCP_CONN	0x7
128 
129 struct be_async_event_trailer {
130 	u32 code;
131 };
132 
133 enum {
134 	ASYNC_EVENT_LINK_DOWN = 0x0,
135 	ASYNC_EVENT_LINK_UP = 0x1,
136 	ASYNC_EVENT_LOGICAL = 0x2
137 };
138 
139 /**
140  * When the event code of an async trailer is link-state, the mcc_compl
141  * must be interpreted as follows
142  */
143 struct be_async_event_link_state {
144 	u8 physical_port;
145 	u8 port_link_status;
146 	u8 port_duplex;
147 	u8 port_speed;
148 #define BEISCSI_PHY_LINK_FAULT_NONE	0x00
149 #define BEISCSI_PHY_LINK_FAULT_LOCAL	0x01
150 #define BEISCSI_PHY_LINK_FAULT_REMOTE	0x02
151 	u8 port_fault;
152 	u8 rsvd0[7];
153 	struct be_async_event_trailer trailer;
154 } __packed;
155 
156 struct be_mcc_mailbox {
157 	struct be_mcc_wrb wrb;
158 	struct be_mcc_compl compl;
159 };
160 
161 /* Type of subsystems supported by FW */
162 #define CMD_SUBSYSTEM_COMMON    0x1
163 #define CMD_SUBSYSTEM_ISCSI     0x2
164 #define CMD_SUBSYSTEM_ETH       0x3
165 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
166 #define CMD_COMMON_TCP_UPLOAD   0x1
167 
168 /**
169  * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
170  * These opcodes are unique for each subsystem defined above
171  */
172 #define OPCODE_COMMON_CQ_CREATE				12
173 #define OPCODE_COMMON_EQ_CREATE				13
174 #define OPCODE_COMMON_MCC_CREATE			21
175 #define OPCODE_COMMON_ADD_TEMPLATE_HEADER_BUFFERS	24
176 #define OPCODE_COMMON_REMOVE_TEMPLATE_HEADER_BUFFERS	25
177 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES		32
178 #define OPCODE_COMMON_GET_FW_VERSION			35
179 #define OPCODE_COMMON_MODIFY_EQ_DELAY			41
180 #define OPCODE_COMMON_FIRMWARE_CONFIG			42
181 #define OPCODE_COMMON_MCC_DESTROY			53
182 #define OPCODE_COMMON_CQ_DESTROY			54
183 #define OPCODE_COMMON_EQ_DESTROY			55
184 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG		58
185 #define OPCODE_COMMON_FUNCTION_RESET			61
186 
187 /**
188  * LIST of opcodes that are common between Initiator and Target
189  * used by CMD_SUBSYSTEM_ISCSI
190  * These opcodes are unique for each subsystem defined above
191  */
192 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES		2
193 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
194 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG		7
195 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN		14
196 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR	17
197 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR	18
198 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR		21
199 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY	22
200 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
201 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID		24
202 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO		25
203 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
204 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
205 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY		65
206 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE			66
207 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY		67
208 
209 struct be_cmd_req_hdr {
210 	u8 opcode;		/* dword 0 */
211 	u8 subsystem;		/* dword 0 */
212 	u8 port_number;		/* dword 0 */
213 	u8 domain;		/* dword 0 */
214 	u32 timeout;		/* dword 1 */
215 	u32 request_length;	/* dword 2 */
216 	u8 version;		/* dword 3 */
217 	u8 rsvd0[3];		/* dword 3 */
218 };
219 
220 struct be_cmd_resp_hdr {
221 	u32 info;		/* dword 0 */
222 	u32 status;		/* dword 1 */
223 	u32 response_length;	/* dword 2 */
224 	u32 actual_resp_len;	/* dword 3 */
225 };
226 
227 struct phys_addr {
228 	u32 lo;
229 	u32 hi;
230 };
231 
232 struct virt_addr {
233 	u32 lo;
234 	u32 hi;
235 };
236 /**************************
237  * BE Command definitions *
238  **************************/
239 
240 /**
241  * Pseudo amap definition in which each bit of the actual structure is defined
242  * as a byte - used to calculate offset/shift/mask of each field
243  */
244 struct amap_eq_context {
245 	u8 cidx[13];		/* dword 0 */
246 	u8 rsvd0[3];		/* dword 0 */
247 	u8 epidx[13];		/* dword 0 */
248 	u8 valid;		/* dword 0 */
249 	u8 rsvd1;		/* dword 0 */
250 	u8 size;		/* dword 0 */
251 	u8 pidx[13];		/* dword 1 */
252 	u8 rsvd2[3];		/* dword 1 */
253 	u8 pd[10];		/* dword 1 */
254 	u8 count[3];		/* dword 1 */
255 	u8 solevent;		/* dword 1 */
256 	u8 stalled;		/* dword 1 */
257 	u8 armed;		/* dword 1 */
258 	u8 rsvd3[4];		/* dword 2 */
259 	u8 func[8];		/* dword 2 */
260 	u8 rsvd4;		/* dword 2 */
261 	u8 delaymult[10];	/* dword 2 */
262 	u8 rsvd5[2];		/* dword 2 */
263 	u8 phase[2];		/* dword 2 */
264 	u8 nodelay;		/* dword 2 */
265 	u8 rsvd6[4];		/* dword 2 */
266 	u8 rsvd7[32];		/* dword 3 */
267 } __packed;
268 
269 struct be_cmd_req_eq_create {
270 	struct be_cmd_req_hdr hdr;	/* dw[4] */
271 	u16 num_pages;		/* sword */
272 	u16 rsvd0;		/* sword */
273 	u8 context[sizeof(struct amap_eq_context) / 8];	/* dw[4] */
274 	struct phys_addr pages[8];
275 } __packed;
276 
277 struct be_cmd_resp_eq_create {
278 	struct be_cmd_resp_hdr resp_hdr;
279 	u16 eq_id;		/* sword */
280 	u16 rsvd0;		/* sword */
281 } __packed;
282 
283 struct be_set_eqd {
284 	u32 eq_id;
285 	u32 phase;
286 	u32 delay_multiplier;
287 } __packed;
288 
289 struct mgmt_chap_format {
290 	u32 flags;
291 	u8  intr_chap_name[256];
292 	u8  intr_secret[16];
293 	u8  target_chap_name[256];
294 	u8  target_secret[16];
295 	u16 intr_chap_name_length;
296 	u16 intr_secret_length;
297 	u16 target_chap_name_length;
298 	u16 target_secret_length;
299 } __packed;
300 
301 struct mgmt_auth_method_format {
302 	u8	auth_method_type;
303 	u8	padding[3];
304 	struct	mgmt_chap_format chap;
305 } __packed;
306 
307 struct mgmt_conn_login_options {
308 	u8 flags;
309 	u8 header_digest;
310 	u8 data_digest;
311 	u8 rsvd0;
312 	u32 max_recv_datasegment_len_ini;
313 	u32 max_recv_datasegment_len_tgt;
314 	u32 tcp_mss;
315 	u32 tcp_window_size;
316 	struct	mgmt_auth_method_format auth_data;
317 } __packed;
318 
319 struct ip_addr_format {
320 	u16 size_of_structure;
321 	u8 reserved;
322 	u8 ip_type;
323 	u8 addr[16];
324 	u32 rsvd0;
325 } __packed;
326 
327 struct mgmt_conn_info {
328 	u32	connection_handle;
329 	u32	connection_status;
330 	u16	src_port;
331 	u16	dest_port;
332 	u16	dest_port_redirected;
333 	u16	cid;
334 	u32	estimated_throughput;
335 	struct	ip_addr_format	src_ipaddr;
336 	struct	ip_addr_format	dest_ipaddr;
337 	struct	ip_addr_format	dest_ipaddr_redirected;
338 	struct	mgmt_conn_login_options	negotiated_login_options;
339 } __packed;
340 
341 struct mgmt_session_login_options {
342 	u8	flags;
343 	u8	error_recovery_level;
344 	u16	rsvd0;
345 	u32	first_burst_length;
346 	u32	max_burst_length;
347 	u16	max_connections;
348 	u16	max_outstanding_r2t;
349 	u16	default_time2wait;
350 	u16	default_time2retain;
351 } __packed;
352 
353 struct mgmt_session_info {
354 	u32	session_handle;
355 	u32	status;
356 	u8	isid[6];
357 	u16	tsih;
358 	u32	session_flags;
359 	u16	conn_count;
360 	u16	pad;
361 	u8	target_name[224];
362 	u8	initiator_iscsiname[224];
363 	struct	mgmt_session_login_options negotiated_login_options;
364 	struct	mgmt_conn_info	conn_list[1];
365 } __packed;
366 
367 struct be_cmd_get_session_req {
368 	struct be_cmd_req_hdr hdr;
369 	u32 session_handle;
370 } __packed;
371 
372 struct be_cmd_get_session_resp {
373 	struct be_cmd_resp_hdr hdr;
374 	struct mgmt_session_info session_info;
375 } __packed;
376 
377 struct mac_addr {
378 	u16 size_of_structure;
379 	u8 addr[ETH_ALEN];
380 } __packed;
381 
382 struct be_cmd_get_boot_target_req {
383 	struct be_cmd_req_hdr hdr;
384 } __packed;
385 
386 struct be_cmd_get_boot_target_resp {
387 	struct be_cmd_resp_hdr hdr;
388 	u32  boot_session_count;
389 	int  boot_session_handle;
390 };
391 
392 struct be_cmd_reopen_session_req {
393 	struct be_cmd_req_hdr hdr;
394 #define BE_REOPEN_ALL_SESSIONS  0x00
395 #define BE_REOPEN_BOOT_SESSIONS 0x01
396 #define BE_REOPEN_A_SESSION     0x02
397 	u16 reopen_type;
398 	u16 rsvd;
399 	u32 session_handle;
400 } __packed;
401 
402 struct be_cmd_reopen_session_resp {
403 	struct be_cmd_resp_hdr hdr;
404 	u32 rsvd;
405 	u32 session_handle;
406 } __packed;
407 
408 
409 struct be_cmd_mac_query_req {
410 	struct be_cmd_req_hdr hdr;
411 	u8 type;
412 	u8 permanent;
413 	u16 if_id;
414 } __packed;
415 
416 struct be_cmd_get_mac_resp {
417 	struct be_cmd_resp_hdr hdr;
418 	struct mac_addr mac;
419 };
420 
421 struct be_ip_addr_subnet_format {
422 	u16 size_of_structure;
423 	u8 ip_type;
424 	u8 ipv6_prefix_length;
425 	u8 addr[16];
426 	u8 subnet_mask[16];
427 	u32 rsvd0;
428 } __packed;
429 
430 struct be_cmd_get_if_info_req {
431 	struct be_cmd_req_hdr hdr;
432 	u32 interface_hndl;
433 	u32 ip_type;
434 } __packed;
435 
436 struct be_cmd_get_if_info_resp {
437 	struct be_cmd_req_hdr hdr;
438 	u32 interface_hndl;
439 	u32 vlan_priority;
440 	u32 ip_addr_count;
441 	u32 dhcp_state;
442 	struct be_ip_addr_subnet_format ip_addr;
443 } __packed;
444 
445 struct be_ip_addr_record {
446 	u32 action;
447 	u32 interface_hndl;
448 	struct be_ip_addr_subnet_format ip_addr;
449 	u32 status;
450 } __packed;
451 
452 struct be_ip_addr_record_params {
453 	u32 record_entry_count;
454 	struct be_ip_addr_record ip_record;
455 } __packed;
456 
457 struct be_cmd_set_ip_addr_req {
458 	struct be_cmd_req_hdr hdr;
459 	struct be_ip_addr_record_params ip_params;
460 } __packed;
461 
462 
463 struct be_cmd_set_dhcp_req {
464 	struct be_cmd_req_hdr hdr;
465 	u32 interface_hndl;
466 	u32 ip_type;
467 	u32 flags;
468 	u32 retry_count;
469 } __packed;
470 
471 struct be_cmd_rel_dhcp_req {
472 	struct be_cmd_req_hdr hdr;
473 	u32 interface_hndl;
474 	u32 ip_type;
475 } __packed;
476 
477 struct be_cmd_set_def_gateway_req {
478 	struct be_cmd_req_hdr hdr;
479 	u32 action;
480 	struct ip_addr_format ip_addr;
481 } __packed;
482 
483 struct be_cmd_get_def_gateway_req {
484 	struct be_cmd_req_hdr hdr;
485 	u32 ip_type;
486 } __packed;
487 
488 struct be_cmd_get_def_gateway_resp {
489 	struct be_cmd_req_hdr hdr;
490 	struct ip_addr_format ip_addr;
491 } __packed;
492 
493 #define BEISCSI_VLAN_DISABLE	0xFFFF
494 struct be_cmd_set_vlan_req {
495 	struct be_cmd_req_hdr hdr;
496 	u32 interface_hndl;
497 	u32 vlan_priority;
498 } __packed;
499 /******************** Create CQ ***************************/
500 /**
501  * Pseudo amap definition in which each bit of the actual structure is defined
502  * as a byte - used to calculate offset/shift/mask of each field
503  */
504 struct amap_cq_context {
505 	u8 cidx[11];		/* dword 0 */
506 	u8 rsvd0;		/* dword 0 */
507 	u8 coalescwm[2];	/* dword 0 */
508 	u8 nodelay;		/* dword 0 */
509 	u8 epidx[11];		/* dword 0 */
510 	u8 rsvd1;		/* dword 0 */
511 	u8 count[2];		/* dword 0 */
512 	u8 valid;		/* dword 0 */
513 	u8 solevent;		/* dword 0 */
514 	u8 eventable;		/* dword 0 */
515 	u8 pidx[11];		/* dword 1 */
516 	u8 rsvd2;		/* dword 1 */
517 	u8 pd[10];		/* dword 1 */
518 	u8 eqid[8];		/* dword 1 */
519 	u8 stalled;		/* dword 1 */
520 	u8 armed;		/* dword 1 */
521 	u8 rsvd3[4];		/* dword 2 */
522 	u8 func[8];		/* dword 2 */
523 	u8 rsvd4[20];		/* dword 2 */
524 	u8 rsvd5[32];		/* dword 3 */
525 } __packed;
526 
527 struct amap_cq_context_v2 {
528 	u8 rsvd0[12];   /* dword 0 */
529 	u8 coalescwm[2];    /* dword 0 */
530 	u8 nodelay;     /* dword 0 */
531 	u8 rsvd1[12];   /* dword 0 */
532 	u8 count[2];    /* dword 0 */
533 	u8 valid;       /* dword 0 */
534 	u8 rsvd2;       /* dword 0 */
535 	u8 eventable;   /* dword 0 */
536 	u8 eqid[16];    /* dword 1 */
537 	u8 rsvd3[15];   /* dword 1 */
538 	u8 armed;       /* dword 1 */
539 	u8 cqecount[16];/* dword 2 */
540 	u8 rsvd4[16];   /* dword 2 */
541 	u8 rsvd5[32];   /* dword 3 */
542 };
543 
544 struct be_cmd_req_cq_create {
545 	struct be_cmd_req_hdr hdr;
546 	u16 num_pages;
547 	u8 page_size;
548 	u8 rsvd0;
549 	u8 context[sizeof(struct amap_cq_context) / 8];
550 	struct phys_addr pages[4];
551 } __packed;
552 
553 struct be_cmd_resp_cq_create {
554 	struct be_cmd_resp_hdr hdr;
555 	u16 cq_id;
556 	u16 rsvd0;
557 } __packed;
558 
559 /******************** Create MCCQ ***************************/
560 /**
561  * Pseudo amap definition in which each bit of the actual structure is defined
562  * as a byte - used to calculate offset/shift/mask of each field
563  */
564 struct amap_mcc_context {
565 	u8 con_index[14];
566 	u8 rsvd0[2];
567 	u8 ring_size[4];
568 	u8 fetch_wrb;
569 	u8 fetch_r2t;
570 	u8 cq_id[10];
571 	u8 prod_index[14];
572 	u8 fid[8];
573 	u8 pdid[9];
574 	u8 valid;
575 	u8 rsvd1[32];
576 	u8 rsvd2[32];
577 } __packed;
578 
579 struct be_cmd_req_mcc_create {
580 	struct be_cmd_req_hdr hdr;
581 	u16 num_pages;
582 	u16 rsvd0;
583 	u8 context[sizeof(struct amap_mcc_context) / 8];
584 	struct phys_addr pages[8];
585 } __packed;
586 
587 struct be_cmd_resp_mcc_create {
588 	struct be_cmd_resp_hdr hdr;
589 	u16 id;
590 	u16 rsvd0;
591 } __packed;
592 
593 /******************** Q Destroy  ***************************/
594 /* Type of Queue to be destroyed */
595 enum {
596 	QTYPE_EQ = 1,
597 	QTYPE_CQ,
598 	QTYPE_MCCQ,
599 	QTYPE_WRBQ,
600 	QTYPE_DPDUQ,
601 	QTYPE_SGL
602 };
603 
604 struct be_cmd_req_q_destroy {
605 	struct be_cmd_req_hdr hdr;
606 	u16 id;
607 	u16 bypass_flush;	/* valid only for rx q destroy */
608 } __packed;
609 
610 struct macaddr {
611 	u8 byte[ETH_ALEN];
612 };
613 
614 struct be_cmd_req_mcast_mac_config {
615 	struct be_cmd_req_hdr hdr;
616 	u16 num_mac;
617 	u8 promiscuous;
618 	u8 interface_id;
619 	struct macaddr mac[32];
620 } __packed;
621 
622 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
623 {
624 	return wrb->payload.embedded_payload;
625 }
626 
627 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
628 {
629 	return &wrb->payload.sgl[0];
630 }
631 
632 /******************** Modify EQ Delay *******************/
633 struct be_cmd_req_modify_eq_delay {
634 	struct be_cmd_req_hdr hdr;
635 	__le32 num_eq;
636 	struct {
637 		__le32 eq_id;
638 		__le32 phase;
639 		__le32 delay_multiplier;
640 	} delay[MAX_CPUS];
641 } __packed;
642 
643 /******************** Get MAC ADDR *******************/
644 
645 #define ETH_ALEN	6
646 
647 struct be_cmd_get_nic_conf_req {
648 	struct be_cmd_req_hdr hdr;
649 	u32 nic_port_count;
650 	u32 speed;
651 	u32 max_speed;
652 	u32 link_state;
653 	u32 max_frame_size;
654 	u16 size_of_structure;
655 	u8 mac_address[ETH_ALEN];
656 	u32 rsvd[23];
657 };
658 
659 struct be_cmd_get_nic_conf_resp {
660 	struct be_cmd_resp_hdr hdr;
661 	u32 nic_port_count;
662 	u32 speed;
663 	u32 max_speed;
664 	u32 link_state;
665 	u32 max_frame_size;
666 	u16 size_of_structure;
667 	u8 mac_address[6];
668 	u32 rsvd[23];
669 };
670 
671 #define BEISCSI_ALIAS_LEN 32
672 
673 struct be_cmd_hba_name {
674 	struct be_cmd_req_hdr hdr;
675 	u16 flags;
676 	u16 rsvd0;
677 	u8 initiator_name[ISCSI_NAME_LEN];
678 	u8 initiator_alias[BEISCSI_ALIAS_LEN];
679 } __packed;
680 
681 struct be_cmd_ntwk_link_status_req {
682 	struct be_cmd_req_hdr hdr;
683 	u32 rsvd0;
684 } __packed;
685 
686 /*** Port Speed Values ***/
687 #define BE2ISCSI_LINK_SPEED_ZERO	0x00
688 #define BE2ISCSI_LINK_SPEED_10MBPS	0x01
689 #define BE2ISCSI_LINK_SPEED_100MBPS	0x02
690 #define BE2ISCSI_LINK_SPEED_1GBPS	0x03
691 #define BE2ISCSI_LINK_SPEED_10GBPS	0x04
692 struct be_cmd_ntwk_link_status_resp {
693 	struct be_cmd_resp_hdr hdr;
694 	u8 phys_port;
695 	u8 mac_duplex;
696 	u8 mac_speed;
697 	u8 mac_fault;
698 	u8 mgmt_mac_duplex;
699 	u8 mgmt_mac_speed;
700 	u16 qos_link_speed;
701 	u32 logical_link_speed;
702 } __packed;
703 
704 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
705 			  struct be_queue_info *eq, int eq_delay);
706 
707 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
708 			  struct be_queue_info *cq, struct be_queue_info *eq,
709 			  bool sol_evts, bool no_delay,
710 			  int num_cqe_dma_coalesce);
711 
712 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
713 			  int type);
714 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
715 			struct be_queue_info *mccq,
716 			struct be_queue_info *cq);
717 
718 int be_poll_mcc(struct be_ctrl_info *ctrl);
719 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
720 				      struct beiscsi_hba *phba);
721 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
722 unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba);
723 
724 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
725 
726 int be_cmd_modify_eq_delay(struct beiscsi_hba *phba, struct be_set_eqd *,
727 			    int num);
728 int beiscsi_mccq_compl(struct beiscsi_hba *phba,
729 			uint32_t tag, struct be_mcc_wrb **wrb,
730 			struct be_dma_mem *mbx_cmd_mem);
731 /*ISCSI Functuions */
732 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
733 int be_cmd_fw_uninit(struct be_ctrl_info *ctrl);
734 
735 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
736 struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba);
737 int be_mcc_notify_wait(struct beiscsi_hba *phba);
738 void be_mcc_notify(struct beiscsi_hba *phba);
739 unsigned int alloc_mcc_tag(struct beiscsi_hba *phba);
740 void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
741 		struct be_async_event_link_state *evt);
742 int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl,
743 				    struct be_mcc_compl *compl);
744 
745 int be_mbox_notify(struct be_ctrl_info *ctrl);
746 
747 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
748 				    struct be_queue_info *cq,
749 				    struct be_queue_info *dq, int length,
750 				    int entry_size, uint8_t is_header,
751 				    uint8_t ulp_num);
752 
753 int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
754 				    struct be_dma_mem *q_mem);
755 
756 int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl);
757 
758 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
759 				struct be_dma_mem *q_mem, u32 page_offset,
760 				u32 num_pages);
761 
762 int beiscsi_cmd_reset_function(struct beiscsi_hba *phba);
763 
764 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
765 		       struct be_queue_info *wrbq,
766 		       struct hwi_wrb_context *pwrb_context,
767 		       uint8_t ulp_num);
768 
769 bool is_link_state_evt(u32 trailer);
770 
771 /* Configuration Functions */
772 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
773 
774 struct be_default_pdu_context {
775 	u32 dw[4];
776 } __packed;
777 
778 struct amap_be_default_pdu_context {
779 	u8 dbuf_cindex[13];	/* dword 0 */
780 	u8 rsvd0[3];		/* dword 0 */
781 	u8 ring_size[4];	/* dword 0 */
782 	u8 ring_state[4];	/* dword 0 */
783 	u8 rsvd1[8];		/* dword 0 */
784 	u8 dbuf_pindex[13];	/* dword 1 */
785 	u8 rsvd2;		/* dword 1 */
786 	u8 pci_func_id[8];	/* dword 1 */
787 	u8 rx_pdid[9];		/* dword 1 */
788 	u8 rx_pdid_valid;	/* dword 1 */
789 	u8 default_buffer_size[16];	/* dword 2 */
790 	u8 cq_id_recv[10];	/* dword 2 */
791 	u8 rx_pdid_not_valid;	/* dword 2 */
792 	u8 rsvd3[5];		/* dword 2 */
793 	u8 rsvd4[32];		/* dword 3 */
794 } __packed;
795 
796 struct amap_default_pdu_context_ext {
797 	u8 rsvd0[16];   /* dword 0 */
798 	u8 ring_size[4];    /* dword 0 */
799 	u8 rsvd1[12];   /* dword 0 */
800 	u8 rsvd2[22];   /* dword 1 */
801 	u8 rx_pdid[9];  /* dword 1 */
802 	u8 rx_pdid_valid;   /* dword 1 */
803 	u8 default_buffer_size[16]; /* dword 2 */
804 	u8 cq_id_recv[16];  /* dword 2 */
805 	u8 rsvd3[32];   /* dword 3 */
806 } __packed;
807 
808 struct be_defq_create_req {
809 	struct be_cmd_req_hdr hdr;
810 	u16 num_pages;
811 	u8 ulp_num;
812 #define BEISCSI_DUAL_ULP_AWARE_BIT	0	/* Byte 3 - Bit 0 */
813 #define BEISCSI_BIND_Q_TO_ULP_BIT	1	/* Byte 3 - Bit 1 */
814 	u8 dua_feature;
815 	struct be_default_pdu_context context;
816 	struct phys_addr pages[8];
817 } __packed;
818 
819 struct be_defq_create_resp {
820 	struct be_cmd_req_hdr hdr;
821 	u16 id;
822 	u8 rsvd0;
823 	u8 ulp_num;
824 	u32 doorbell_offset;
825 	u16 register_set;
826 	u16 doorbell_format;
827 } __packed;
828 
829 struct be_post_template_pages_req {
830 	struct be_cmd_req_hdr hdr;
831 	u16 num_pages;
832 #define BEISCSI_TEMPLATE_HDR_TYPE_ISCSI	0x1
833 	u16 type;
834 	struct phys_addr scratch_pa;
835 	struct virt_addr scratch_va;
836 	struct virt_addr pages_va;
837 	struct phys_addr pages[16];
838 } __packed;
839 
840 struct be_remove_template_pages_req {
841 	struct be_cmd_req_hdr hdr;
842 	u16 type;
843 	u16 rsvd0;
844 } __packed;
845 
846 struct be_post_sgl_pages_req {
847 	struct be_cmd_req_hdr hdr;
848 	u16 num_pages;
849 	u16 page_offset;
850 	u32 rsvd0;
851 	struct phys_addr pages[26];
852 	u32 rsvd1;
853 } __packed;
854 
855 struct be_wrbq_create_req {
856 	struct be_cmd_req_hdr hdr;
857 	u16 num_pages;
858 	u8 ulp_num;
859 	u8 dua_feature;
860 	struct phys_addr pages[8];
861 } __packed;
862 
863 struct be_wrbq_create_resp {
864 	struct be_cmd_resp_hdr resp_hdr;
865 	u16 cid;
866 	u8 rsvd0;
867 	u8 ulp_num;
868 	u32 doorbell_offset;
869 	u16 register_set;
870 	u16 doorbell_format;
871 } __packed;
872 
873 #define SOL_CID_MASK		0x0000FFC0
874 #define SOL_CODE_MASK		0x0000003F
875 #define SOL_WRB_INDEX_MASK	0x00FF0000
876 #define SOL_CMD_WND_MASK	0xFF000000
877 #define SOL_RES_CNT_MASK	0x7FFFFFFF
878 #define SOL_EXP_CMD_SN_MASK	0xFFFFFFFF
879 #define SOL_HW_STS_MASK		0x000000FF
880 #define SOL_STS_MASK		0x0000FF00
881 #define SOL_RESP_MASK		0x00FF0000
882 #define SOL_FLAGS_MASK		0x7F000000
883 #define SOL_S_MASK		0x80000000
884 
885 struct sol_cqe {
886 	u32 dw[4];
887 };
888 
889 struct amap_sol_cqe {
890 	u8 hw_sts[8];		/* dword 0 */
891 	u8 i_sts[8];		/* dword 0 */
892 	u8 i_resp[8];		/* dword 0 */
893 	u8 i_flags[7];		/* dword 0 */
894 	u8 s;			/* dword 0 */
895 	u8 i_exp_cmd_sn[32];	/* dword 1 */
896 	u8 code[6];		/* dword 2 */
897 	u8 cid[10];		/* dword 2 */
898 	u8 wrb_index[8];	/* dword 2 */
899 	u8 i_cmd_wnd[8];	/* dword 2 */
900 	u8 i_res_cnt[31];	/* dword 3 */
901 	u8 valid;		/* dword 3 */
902 } __packed;
903 
904 #define SOL_ICD_INDEX_MASK	0x0003FFC0
905 struct amap_sol_cqe_ring {
906 	u8 hw_sts[8];		/* dword 0 */
907 	u8 i_sts[8];		/* dword 0 */
908 	u8 i_resp[8];		/* dword 0 */
909 	u8 i_flags[7];		/* dword 0 */
910 	u8 s;			/* dword 0 */
911 	u8 i_exp_cmd_sn[32];	/* dword 1 */
912 	u8 code[6];		/* dword 2 */
913 	u8 icd_index[12];	/* dword 2 */
914 	u8 rsvd[6];		/* dword 2 */
915 	u8 i_cmd_wnd[8];	/* dword 2 */
916 	u8 i_res_cnt[31];	/* dword 3 */
917 	u8 valid;		/* dword 3 */
918 } __packed;
919 
920 struct amap_sol_cqe_v2 {
921 	u8 hw_sts[8];   /* dword 0 */
922 	u8 i_sts[8];    /* dword 0 */
923 	u8 wrb_index[16];   /* dword 0 */
924 	u8 i_exp_cmd_sn[32];    /* dword 1 */
925 	u8 code[6]; /* dword 2 */
926 	u8 cmd_cmpl;    /* dword 2 */
927 	u8 rsvd0;   /* dword 2 */
928 	u8 i_cmd_wnd[8];    /* dword 2 */
929 	u8 cid[13]; /* dword 2 */
930 	u8 u;   /* dword 2 */
931 	u8 o;   /* dword 2 */
932 	u8 s;   /* dword 2 */
933 	u8 i_res_cnt[31];   /* dword 3 */
934 	u8 valid;   /* dword 3 */
935 } __packed;
936 
937 struct common_sol_cqe {
938 	u32 exp_cmdsn;
939 	u32 res_cnt;
940 	u16 wrb_index;
941 	u16 cid;
942 	u8 hw_sts;
943 	u8 cmd_wnd;
944 	u8 res_flag; /* the s feild of structure */
945 	u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
946 	u8 i_flags; /* for skh or the u and o feilds */
947 	u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
948 };
949 
950 /*** iSCSI ack/driver message completions ***/
951 struct amap_it_dmsg_cqe {
952 	u8 ack_num[32]; /* DWORD 0 */
953 	u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
954 	u8 code[6]; /* DWORD 2 */
955 	u8 cid[10]; /* DWORD 2 */
956 	u8 wrb_idx[8];  /* DWORD 2 */
957 	u8 rsvd0[8];    /* DWORD 2*/
958 	u8 rsvd1[31];   /* DWORD 3*/
959 	u8 valid;   /* DWORD 3 */
960 } __packed;
961 
962 struct amap_it_dmsg_cqe_v2 {
963 	u8 ack_num[32]; /* DWORD 0 */
964 	u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
965 	u8 code[6]; /* DWORD 2 */
966 	u8 rsvd0[10];   /* DWORD 2 */
967 	u8 wrb_idx[16]; /* DWORD 2 */
968 	u8 rsvd1[16];   /* DWORD 3 */
969 	u8 cid[13]; /* DWORD 3 */
970 	u8 rsvd2[2];    /* DWORD 3 */
971 	u8 valid;   /* DWORD 3 */
972 } __packed;
973 
974 
975 /**
976  * Post WRB Queue Doorbell Register used by the host Storage
977  * stack to notify the
978  * controller of a posted Work Request Block
979  */
980 #define DB_WRB_POST_CID_MASK		0xFFFF	/* bits 0 - 16 */
981 #define DB_DEF_PDU_WRB_INDEX_MASK	0xFF	/* bits 0 - 9 */
982 
983 #define DB_DEF_PDU_WRB_INDEX_SHIFT	16
984 #define DB_DEF_PDU_NUM_POSTED_SHIFT	24
985 
986 struct fragnum_bits_for_sgl_cra_in {
987 	struct be_cmd_req_hdr hdr;
988 	u32 num_bits;
989 } __packed;
990 
991 struct iscsi_cleanup_req {
992 	struct be_cmd_req_hdr hdr;
993 	u16 chute;
994 	u8 hdr_ring_id;
995 	u8 data_ring_id;
996 
997 } __packed;
998 
999 struct eq_delay {
1000 	u32 eq_id;
1001 	u32 phase;
1002 	u32 delay_multiplier;
1003 } __packed;
1004 
1005 struct be_eq_delay_params_in {
1006 	struct be_cmd_req_hdr hdr;
1007 	u32 num_eq;
1008 	struct eq_delay delay[8];
1009 } __packed;
1010 
1011 struct tcp_connect_and_offload_in {
1012 	struct be_cmd_req_hdr hdr;
1013 	struct ip_addr_format ip_address;
1014 	u16 tcp_port;
1015 	u16 cid;
1016 	u16 cq_id;
1017 	u16 defq_id;
1018 	struct phys_addr dataout_template_pa;
1019 	u16 hdr_ring_id;
1020 	u16 data_ring_id;
1021 	u8 do_offload;
1022 	u8 rsvd0[3];
1023 } __packed;
1024 
1025 struct tcp_connect_and_offload_in_v1 {
1026 	struct be_cmd_req_hdr hdr;
1027 	struct ip_addr_format ip_address;
1028 	u16 tcp_port;
1029 	u16 cid;
1030 	u16 cq_id;
1031 	u16 defq_id;
1032 	struct phys_addr dataout_template_pa;
1033 	u16 hdr_ring_id;
1034 	u16 data_ring_id;
1035 	u8 do_offload;
1036 	u8 ifd_state;
1037 	u8 rsvd0[2];
1038 	u16 tcp_window_size;
1039 	u8 tcp_window_scale_count;
1040 	u8 rsvd1;
1041 	u32 tcp_mss:24;
1042 	u8 rsvd2;
1043 } __packed;
1044 
1045 struct tcp_connect_and_offload_out {
1046 	struct be_cmd_resp_hdr hdr;
1047 	u32 connection_handle;
1048 	u16 cid;
1049 	u16 rsvd0;
1050 
1051 } __packed;
1052 
1053 struct be_mcc_wrb_context {
1054 	struct MCC_WRB *wrb;
1055 	int *users_final_status;
1056 } __packed;
1057 
1058 #define DB_DEF_PDU_RING_ID_MASK	0x3FFF	/* bits 0 - 13 */
1059 #define DB_DEF_PDU_CQPROC_MASK		0x3FFF	/* bits 16 - 29 */
1060 #define DB_DEF_PDU_REARM_SHIFT		14
1061 #define DB_DEF_PDU_EVENT_SHIFT		15
1062 #define DB_DEF_PDU_CQPROC_SHIFT		16
1063 
1064 struct dmsg_cqe {
1065 	u32 dw[4];
1066 } __packed;
1067 
1068 struct tcp_upload_params_in {
1069 	struct be_cmd_req_hdr hdr;
1070 	u16 id;
1071 	u16 upload_type;
1072 	u32 reset_seq;
1073 } __packed;
1074 
1075 struct tcp_upload_params_out {
1076 	u32 dw[32];
1077 } __packed;
1078 
1079 union tcp_upload_params {
1080 	struct tcp_upload_params_in request;
1081 	struct tcp_upload_params_out response;
1082 } __packed;
1083 
1084 struct be_ulp_fw_cfg {
1085 #define BEISCSI_ULP_ISCSI_INI_MODE	0x10
1086 	u32 ulp_mode;
1087 	u32 etx_base;
1088 	u32 etx_count;
1089 	u32 sq_base;
1090 	u32 sq_count;
1091 	u32 rq_base;
1092 	u32 rq_count;
1093 	u32 dq_base;
1094 	u32 dq_count;
1095 	u32 lro_base;
1096 	u32 lro_count;
1097 	u32 icd_base;
1098 	u32 icd_count;
1099 };
1100 
1101 struct be_ulp_chain_icd {
1102 	u32 chain_base;
1103 	u32 chain_count;
1104 };
1105 
1106 struct be_fw_cfg {
1107 	struct be_cmd_req_hdr hdr;
1108 	u32 be_config_number;
1109 	u32 asic_revision;
1110 	u32 phys_port;
1111 #define BEISCSI_FUNC_ISCSI_INI_MODE	0x10
1112 #define BEISCSI_FUNC_DUA_MODE	0x800
1113 	u32 function_mode;
1114 	struct be_ulp_fw_cfg ulp[2];
1115 	u32 function_caps;
1116 	u32 cqid_base;
1117 	u32 cqid_count;
1118 	u32 eqid_base;
1119 	u32 eqid_count;
1120 	struct be_ulp_chain_icd chain_icd[2];
1121 } __packed;
1122 
1123 struct be_cmd_get_all_if_id_req {
1124 	struct be_cmd_req_hdr hdr;
1125 	u32 if_count;
1126 	u32 if_hndl_list[1];
1127 } __packed;
1128 
1129 #define ISCSI_OPCODE_SCSI_DATA_OUT		5
1130 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1131 #define OPCODE_COMMON_MODIFY_EQ_DELAY		41
1132 #define OPCODE_COMMON_ISCSI_CLEANUP		59
1133 #define	OPCODE_COMMON_TCP_UPLOAD		56
1134 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1135 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1136 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME	6
1137 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME	7
1138 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
1139 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1140 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1141 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1142 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET	52
1143 #define OPCODE_COMMON_WRITE_FLASH		96
1144 #define OPCODE_COMMON_READ_FLASH		97
1145 
1146 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
1147 #define CMD_ISCSI_COMMAND_INVALIDATE		1
1148 #define CMD_ISCSI_CONNECTION_INVALIDATE		0x8001
1149 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST	0x8002
1150 
1151 #define INI_WR_CMD			1	/* Initiator write command */
1152 #define INI_TMF_CMD			2	/* Initiator TMF command */
1153 #define INI_NOPOUT_CMD			3	/* Initiator; Send a NOP-OUT */
1154 #define INI_RD_CMD			5	/* Initiator requesting to send
1155 						 * a read command
1156 						 */
1157 #define TGT_CTX_UPDT_CMD		7	/* Target context update */
1158 #define TGT_STS_CMD			8	/* Target R2T and other BHS
1159 						 * where only the status number
1160 						 * need to be updated
1161 						 */
1162 #define TGT_DATAIN_CMD			9	/* Target Data-Ins in response
1163 						 * to read command
1164 						 */
1165 #define TGT_SOS_PDU			10	/* Target:standalone status
1166 						 * response
1167 						 */
1168 #define TGT_DM_CMD			11	/* Indicates that the bhs
1169 						 *  preparedby
1170 						 * driver should not be touched
1171 						 */
1172 /* --- CMD_CHUTE_TYPE --- */
1173 #define CMD_CONNECTION_CHUTE_0		1
1174 #define CMD_CONNECTION_CHUTE_1		2
1175 #define CMD_CONNECTION_CHUTE_2		3
1176 
1177 #define EQ_MAJOR_CODE_COMPLETION	0
1178 
1179 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
1180 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
1181 
1182 /* --- CONNECTION_UPLOAD_PARAMS --- */
1183 /* These parameters are used to define the type of upload desired.  */
1184 #define CONNECTION_UPLOAD_GRACEFUL      1	/* Graceful upload  */
1185 #define CONNECTION_UPLOAD_ABORT_RESET   2	/* Abortive upload with
1186 						 * reset
1187 						 */
1188 #define CONNECTION_UPLOAD_ABORT		3	/* Abortive upload without
1189 						 * reset
1190 						 */
1191 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4	/* Abortive upload with reset,
1192 						 * sequence number by driver  */
1193 
1194 /* Returns the number of items in the field array. */
1195 #define BE_NUMBER_OF_FIELD(_type_, _field_)	\
1196 	(FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1197 
1198 /**
1199  * Different types of iSCSI completions to host driver for both initiator
1200  * and taget mode
1201  * of operation.
1202  */
1203 #define SOL_CMD_COMPLETE		1	/* Solicited command completed
1204 						 * normally
1205 						 */
1206 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2	/* Solicited command got
1207 						 * invalidated internally due
1208 						 * to Data Digest error
1209 						 */
1210 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3	/* Connection got invalidated
1211 						 * internally
1212 						 * due to a received PDU
1213 						 * size > DSL
1214 						 */
1215 #define CXN_KILLED_BURST_LEN_MISMATCH   4	/* Connection got invalidated
1216 						 * internally due ti received
1217 						 * PDU sequence size >
1218 						 * FBL/MBL.
1219 						 */
1220 #define CXN_KILLED_AHS_RCVD		5	/* Connection got invalidated
1221 						 * internally due to a received
1222 						 * PDU Hdr that has
1223 						 * AHS */
1224 #define CXN_KILLED_HDR_DIGEST_ERR	6	/* Connection got invalidated
1225 						 * internally due to Hdr Digest
1226 						 * error
1227 						 */
1228 #define CXN_KILLED_UNKNOWN_HDR		7	/* Connection got invalidated
1229 						 *  internally
1230 						 * due to a bad opcode in the
1231 						 * pdu hdr
1232 						 */
1233 #define CXN_KILLED_STALE_ITT_TTT_RCVD	8	/* Connection got invalidated
1234 						 * internally due to a received
1235 						 * ITT/TTT that does not belong
1236 						 * to this Connection
1237 						 */
1238 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9	/* Connection got invalidated
1239 						 * internally due to received
1240 						 * ITT/TTT value > Max
1241 						 * Supported ITTs/TTTs
1242 						 */
1243 #define CXN_KILLED_RST_RCVD		10	/* Connection got invalidated
1244 						 * internally due to an
1245 						 * incoming TCP RST
1246 						 */
1247 #define CXN_KILLED_TIMED_OUT		11	/* Connection got invalidated
1248 						 * internally due to timeout on
1249 						 * tcp segment 12 retransmit
1250 						 * attempts failed
1251 						 */
1252 #define CXN_KILLED_RST_SENT		12	/* Connection got invalidated
1253 						 * internally due to TCP RST
1254 						 * sent by the Tx side
1255 						 */
1256 #define CXN_KILLED_FIN_RCVD		13	/* Connection got invalidated
1257 						 * internally due to an
1258 						 * incoming TCP FIN.
1259 						 */
1260 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD	14	/* Connection got invalidated
1261 						 * internally due to bad
1262 						 * unsolicited PDU Unsolicited
1263 						 * PDUs are PDUs with
1264 						 * ITT=0xffffffff
1265 						 */
1266 #define CXN_KILLED_BAD_WRB_INDEX_ERROR	15	/* Connection got invalidated
1267 						 * internally due to bad WRB
1268 						 * index.
1269 						 */
1270 #define CXN_KILLED_OVER_RUN_RESIDUAL	16	/* Command got invalidated
1271 						 * internally due to received
1272 						 * command has residual
1273 						 * over run bytes.
1274 						 */
1275 #define CXN_KILLED_UNDER_RUN_RESIDUAL	17	/* Command got invalidated
1276 						 * internally due to received
1277 						 * command has residual under
1278 						 * run bytes.
1279 						 */
1280 #define CMD_KILLED_INVALID_STATSN_RCVD	18	/* Command got invalidated
1281 						 * internally due to a received
1282 						 * PDU has an invalid StatusSN
1283 						 */
1284 #define CMD_KILLED_INVALID_R2T_RCVD	19	/* Command got invalidated
1285 						 * internally due to a received
1286 						 * an R2T with some invalid
1287 						 * fields in it
1288 						 */
1289 #define CMD_CXN_KILLED_LUN_INVALID	20	/* Command got invalidated
1290 						 * internally due to received
1291 						 * PDU has an invalid LUN.
1292 						 */
1293 #define CMD_CXN_KILLED_ICD_INVALID	21	/* Command got invalidated
1294 						 * internally due to the
1295 						 * corresponding ICD not in a
1296 						 * valid state
1297 						 */
1298 #define CMD_CXN_KILLED_ITT_INVALID	22	/* Command got invalidated due
1299 						 *  to received PDU has an
1300 						 *  invalid ITT.
1301 						 */
1302 #define CMD_CXN_KILLED_SEQ_OUTOFORDER	23	/* Command got invalidated due
1303 						 * to received sequence buffer
1304 						 * offset is out of order.
1305 						 */
1306 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24	/* Command got invalidated
1307 						 * internally due to a
1308 						 * received PDU has an invalid
1309 						 * DataSN
1310 						 */
1311 #define CXN_INVALIDATE_NOTIFY		25	/* Connection invalidation
1312 						 * completion notify.
1313 						 */
1314 #define CXN_INVALIDATE_INDEX_NOTIFY	26	/* Connection invalidation
1315 						 * completion
1316 						 * with data PDU index.
1317 						 */
1318 #define CMD_INVALIDATED_NOTIFY		27	/* Command invalidation
1319 						 * completionnotifify.
1320 						 */
1321 #define UNSOL_HDR_NOTIFY		28	/* Unsolicited header notify.*/
1322 #define UNSOL_DATA_NOTIFY		29	/* Unsolicited data notify.*/
1323 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY	30	/* Unsolicited data digest
1324 						 * error notify.
1325 						 */
1326 #define DRIVERMSG_NOTIFY		31	/* TCP acknowledge based
1327 						 * notification.
1328 						 */
1329 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1330 						  * internally due to command
1331 						  * and data are not on same
1332 						  * connection.
1333 						  */
1334 #define SOL_CMD_KILLED_DIF_ERR		33	/* Solicited command got
1335 						 *  invalidated internally due
1336 						 *  to DIF error
1337 						 */
1338 #define CXN_KILLED_SYN_RCVD		34	/* Connection got invalidated
1339 						 * internally due to incoming
1340 						 * TCP SYN
1341 						 */
1342 #define CXN_KILLED_IMM_DATA_RCVD	35	/* Connection got invalidated
1343 						 * internally due to an
1344 						 * incoming Unsolicited PDU
1345 						 * that has immediate data on
1346 						 * the cxn
1347 						 */
1348 
1349 int beiscsi_pci_soft_reset(struct beiscsi_hba *phba);
1350 int be_chk_reset_complete(struct beiscsi_hba *phba);
1351 
1352 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1353 			bool embedded, u8 sge_cnt);
1354 
1355 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1356 			u8 subsystem, u8 opcode, int cmd_len);
1357 
1358 void be2iscsi_fail_session(struct iscsi_cls_session *cls_session);
1359 #endif /* !BEISCSI_CMDS_H */
1360