57xx_iscsi_hsi.h 36 KB

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  1. /* 57xx_iscsi_hsi.h: Broadcom NetXtreme II iSCSI HSI.
  2. *
  3. * Copyright (c) 2006 - 2009 Broadcom Corporation
  4. *
  5. * This program is free software; you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License as published by
  7. * the Free Software Foundation.
  8. *
  9. * Written by: Anil Veerabhadrappa (anilgv@broadcom.com)
  10. */
  11. #ifndef __57XX_ISCSI_HSI_LINUX_LE__
  12. #define __57XX_ISCSI_HSI_LINUX_LE__
  13. /*
  14. * iSCSI Async CQE
  15. */
  16. struct bnx2i_async_msg {
  17. #if defined(__BIG_ENDIAN)
  18. u8 op_code;
  19. u8 reserved1;
  20. u16 reserved0;
  21. #elif defined(__LITTLE_ENDIAN)
  22. u16 reserved0;
  23. u8 reserved1;
  24. u8 op_code;
  25. #endif
  26. u32 reserved2;
  27. u32 exp_cmd_sn;
  28. u32 max_cmd_sn;
  29. u32 reserved3[2];
  30. #if defined(__BIG_ENDIAN)
  31. u16 reserved5;
  32. u8 err_code;
  33. u8 reserved4;
  34. #elif defined(__LITTLE_ENDIAN)
  35. u8 reserved4;
  36. u8 err_code;
  37. u16 reserved5;
  38. #endif
  39. u32 reserved6;
  40. u32 lun[2];
  41. #if defined(__BIG_ENDIAN)
  42. u8 async_event;
  43. u8 async_vcode;
  44. u16 param1;
  45. #elif defined(__LITTLE_ENDIAN)
  46. u16 param1;
  47. u8 async_vcode;
  48. u8 async_event;
  49. #endif
  50. #if defined(__BIG_ENDIAN)
  51. u16 param2;
  52. u16 param3;
  53. #elif defined(__LITTLE_ENDIAN)
  54. u16 param3;
  55. u16 param2;
  56. #endif
  57. u32 reserved7[3];
  58. u32 cq_req_sn;
  59. };
  60. /*
  61. * iSCSI Buffer Descriptor (BD)
  62. */
  63. struct iscsi_bd {
  64. u32 buffer_addr_hi;
  65. u32 buffer_addr_lo;
  66. #if defined(__BIG_ENDIAN)
  67. u16 reserved0;
  68. u16 buffer_length;
  69. #elif defined(__LITTLE_ENDIAN)
  70. u16 buffer_length;
  71. u16 reserved0;
  72. #endif
  73. #if defined(__BIG_ENDIAN)
  74. u16 reserved3;
  75. u16 flags;
  76. #define ISCSI_BD_RESERVED1 (0x3F<<0)
  77. #define ISCSI_BD_RESERVED1_SHIFT 0
  78. #define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6)
  79. #define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6
  80. #define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7)
  81. #define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7
  82. #define ISCSI_BD_RESERVED2 (0xFF<<8)
  83. #define ISCSI_BD_RESERVED2_SHIFT 8
  84. #elif defined(__LITTLE_ENDIAN)
  85. u16 flags;
  86. #define ISCSI_BD_RESERVED1 (0x3F<<0)
  87. #define ISCSI_BD_RESERVED1_SHIFT 0
  88. #define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6)
  89. #define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6
  90. #define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7)
  91. #define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7
  92. #define ISCSI_BD_RESERVED2 (0xFF<<8)
  93. #define ISCSI_BD_RESERVED2_SHIFT 8
  94. u16 reserved3;
  95. #endif
  96. };
  97. /*
  98. * iSCSI Cleanup SQ WQE
  99. */
  100. struct bnx2i_cleanup_request {
  101. #if defined(__BIG_ENDIAN)
  102. u8 op_code;
  103. u8 reserved1;
  104. u16 reserved0;
  105. #elif defined(__LITTLE_ENDIAN)
  106. u16 reserved0;
  107. u8 reserved1;
  108. u8 op_code;
  109. #endif
  110. u32 reserved2[3];
  111. #if defined(__BIG_ENDIAN)
  112. u16 reserved3;
  113. u16 itt;
  114. #define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0)
  115. #define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0
  116. #define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14)
  117. #define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14
  118. #elif defined(__LITTLE_ENDIAN)
  119. u16 itt;
  120. #define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0)
  121. #define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0
  122. #define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14)
  123. #define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14
  124. u16 reserved3;
  125. #endif
  126. u32 reserved4[10];
  127. #if defined(__BIG_ENDIAN)
  128. u8 cq_index;
  129. u8 reserved6;
  130. u16 reserved5;
  131. #elif defined(__LITTLE_ENDIAN)
  132. u16 reserved5;
  133. u8 reserved6;
  134. u8 cq_index;
  135. #endif
  136. };
  137. /*
  138. * iSCSI Cleanup CQE
  139. */
  140. struct bnx2i_cleanup_response {
  141. #if defined(__BIG_ENDIAN)
  142. u8 op_code;
  143. u8 status;
  144. u16 reserved0;
  145. #elif defined(__LITTLE_ENDIAN)
  146. u16 reserved0;
  147. u8 status;
  148. u8 op_code;
  149. #endif
  150. u32 reserved1[3];
  151. u32 reserved2[2];
  152. #if defined(__BIG_ENDIAN)
  153. u16 reserved4;
  154. u8 err_code;
  155. u8 reserved3;
  156. #elif defined(__LITTLE_ENDIAN)
  157. u8 reserved3;
  158. u8 err_code;
  159. u16 reserved4;
  160. #endif
  161. u32 reserved5[7];
  162. #if defined(__BIG_ENDIAN)
  163. u16 reserved6;
  164. u16 itt;
  165. #define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0)
  166. #define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0
  167. #define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14)
  168. #define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14
  169. #elif defined(__LITTLE_ENDIAN)
  170. u16 itt;
  171. #define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0)
  172. #define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0
  173. #define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14)
  174. #define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14
  175. u16 reserved6;
  176. #endif
  177. u32 cq_req_sn;
  178. };
  179. /*
  180. * SCSI read/write SQ WQE
  181. */
  182. struct bnx2i_cmd_request {
  183. #if defined(__BIG_ENDIAN)
  184. u8 op_code;
  185. u8 op_attr;
  186. #define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0)
  187. #define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0
  188. #define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3)
  189. #define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3
  190. #define ISCSI_CMD_REQUEST_WRITE (0x1<<5)
  191. #define ISCSI_CMD_REQUEST_WRITE_SHIFT 5
  192. #define ISCSI_CMD_REQUEST_READ (0x1<<6)
  193. #define ISCSI_CMD_REQUEST_READ_SHIFT 6
  194. #define ISCSI_CMD_REQUEST_FINAL (0x1<<7)
  195. #define ISCSI_CMD_REQUEST_FINAL_SHIFT 7
  196. u16 reserved0;
  197. #elif defined(__LITTLE_ENDIAN)
  198. u16 reserved0;
  199. u8 op_attr;
  200. #define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0)
  201. #define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0
  202. #define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3)
  203. #define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3
  204. #define ISCSI_CMD_REQUEST_WRITE (0x1<<5)
  205. #define ISCSI_CMD_REQUEST_WRITE_SHIFT 5
  206. #define ISCSI_CMD_REQUEST_READ (0x1<<6)
  207. #define ISCSI_CMD_REQUEST_READ_SHIFT 6
  208. #define ISCSI_CMD_REQUEST_FINAL (0x1<<7)
  209. #define ISCSI_CMD_REQUEST_FINAL_SHIFT 7
  210. u8 op_code;
  211. #endif
  212. #if defined(__BIG_ENDIAN)
  213. u16 ud_buffer_offset;
  214. u16 sd_buffer_offset;
  215. #elif defined(__LITTLE_ENDIAN)
  216. u16 sd_buffer_offset;
  217. u16 ud_buffer_offset;
  218. #endif
  219. u32 lun[2];
  220. #if defined(__BIG_ENDIAN)
  221. u16 reserved2;
  222. u16 itt;
  223. #define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0)
  224. #define ISCSI_CMD_REQUEST_INDEX_SHIFT 0
  225. #define ISCSI_CMD_REQUEST_TYPE (0x3<<14)
  226. #define ISCSI_CMD_REQUEST_TYPE_SHIFT 14
  227. #elif defined(__LITTLE_ENDIAN)
  228. u16 itt;
  229. #define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0)
  230. #define ISCSI_CMD_REQUEST_INDEX_SHIFT 0
  231. #define ISCSI_CMD_REQUEST_TYPE (0x3<<14)
  232. #define ISCSI_CMD_REQUEST_TYPE_SHIFT 14
  233. u16 reserved2;
  234. #endif
  235. u32 total_data_transfer_length;
  236. u32 cmd_sn;
  237. u32 reserved3;
  238. u32 cdb[4];
  239. u32 zero_fill;
  240. u32 bd_list_addr_lo;
  241. u32 bd_list_addr_hi;
  242. #if defined(__BIG_ENDIAN)
  243. u8 cq_index;
  244. u8 sd_start_bd_index;
  245. u8 ud_start_bd_index;
  246. u8 num_bds;
  247. #elif defined(__LITTLE_ENDIAN)
  248. u8 num_bds;
  249. u8 ud_start_bd_index;
  250. u8 sd_start_bd_index;
  251. u8 cq_index;
  252. #endif
  253. };
  254. /*
  255. * task statistics for write response
  256. */
  257. struct bnx2i_write_resp_task_stat {
  258. u32 num_data_ins;
  259. };
  260. /*
  261. * task statistics for read response
  262. */
  263. struct bnx2i_read_resp_task_stat {
  264. #if defined(__BIG_ENDIAN)
  265. u16 num_data_outs;
  266. u16 num_r2ts;
  267. #elif defined(__LITTLE_ENDIAN)
  268. u16 num_r2ts;
  269. u16 num_data_outs;
  270. #endif
  271. };
  272. /*
  273. * task statistics for iSCSI cmd response
  274. */
  275. union bnx2i_cmd_resp_task_stat {
  276. struct bnx2i_write_resp_task_stat write_stat;
  277. struct bnx2i_read_resp_task_stat read_stat;
  278. };
  279. /*
  280. * SCSI Command CQE
  281. */
  282. struct bnx2i_cmd_response {
  283. #if defined(__BIG_ENDIAN)
  284. u8 op_code;
  285. u8 response_flags;
  286. #define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
  287. #define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
  288. #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
  289. #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
  290. #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
  291. #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
  292. #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
  293. #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
  294. #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
  295. #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
  296. #define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
  297. #define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
  298. u8 response;
  299. u8 status;
  300. #elif defined(__LITTLE_ENDIAN)
  301. u8 status;
  302. u8 response;
  303. u8 response_flags;
  304. #define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
  305. #define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
  306. #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
  307. #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
  308. #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
  309. #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
  310. #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
  311. #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
  312. #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
  313. #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
  314. #define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
  315. #define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
  316. u8 op_code;
  317. #endif
  318. u32 data_length;
  319. u32 exp_cmd_sn;
  320. u32 max_cmd_sn;
  321. u32 reserved2;
  322. u32 residual_count;
  323. #if defined(__BIG_ENDIAN)
  324. u16 reserved4;
  325. u8 err_code;
  326. u8 reserved3;
  327. #elif defined(__LITTLE_ENDIAN)
  328. u8 reserved3;
  329. u8 err_code;
  330. u16 reserved4;
  331. #endif
  332. u32 reserved5[5];
  333. union bnx2i_cmd_resp_task_stat task_stat;
  334. u32 reserved6;
  335. #if defined(__BIG_ENDIAN)
  336. u16 reserved7;
  337. u16 itt;
  338. #define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
  339. #define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
  340. #define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
  341. #define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
  342. #elif defined(__LITTLE_ENDIAN)
  343. u16 itt;
  344. #define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
  345. #define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
  346. #define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
  347. #define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
  348. u16 reserved7;
  349. #endif
  350. u32 cq_req_sn;
  351. };
  352. /*
  353. * firmware middle-path request SQ WQE
  354. */
  355. struct bnx2i_fw_mp_request {
  356. #if defined(__BIG_ENDIAN)
  357. u8 op_code;
  358. u8 op_attr;
  359. u16 hdr_opaque1;
  360. #elif defined(__LITTLE_ENDIAN)
  361. u16 hdr_opaque1;
  362. u8 op_attr;
  363. u8 op_code;
  364. #endif
  365. u32 data_length;
  366. u32 hdr_opaque2[2];
  367. #if defined(__BIG_ENDIAN)
  368. u16 reserved0;
  369. u16 itt;
  370. #define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
  371. #define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
  372. #define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
  373. #define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
  374. #elif defined(__LITTLE_ENDIAN)
  375. u16 itt;
  376. #define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
  377. #define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
  378. #define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
  379. #define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
  380. u16 reserved0;
  381. #endif
  382. u32 hdr_opaque3[4];
  383. u32 resp_bd_list_addr_lo;
  384. u32 resp_bd_list_addr_hi;
  385. u32 resp_buffer;
  386. #define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
  387. #define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
  388. #define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS (0xFF<<24)
  389. #define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS_SHIFT 24
  390. #if defined(__BIG_ENDIAN)
  391. u16 reserved4;
  392. u8 reserved3;
  393. u8 flags;
  394. #define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
  395. #define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
  396. #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
  397. #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
  398. #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
  399. #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
  400. #define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
  401. #define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
  402. #elif defined(__LITTLE_ENDIAN)
  403. u8 flags;
  404. #define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
  405. #define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
  406. #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
  407. #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
  408. #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
  409. #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
  410. #define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
  411. #define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
  412. u8 reserved3;
  413. u16 reserved4;
  414. #endif
  415. u32 bd_list_addr_lo;
  416. u32 bd_list_addr_hi;
  417. #if defined(__BIG_ENDIAN)
  418. u8 cq_index;
  419. u8 reserved6;
  420. u8 reserved5;
  421. u8 num_bds;
  422. #elif defined(__LITTLE_ENDIAN)
  423. u8 num_bds;
  424. u8 reserved5;
  425. u8 reserved6;
  426. u8 cq_index;
  427. #endif
  428. };
  429. /*
  430. * firmware response - CQE: used only by firmware
  431. */
  432. struct bnx2i_fw_response {
  433. u32 hdr_dword1[2];
  434. u32 hdr_exp_cmd_sn;
  435. u32 hdr_max_cmd_sn;
  436. u32 hdr_ttt;
  437. u32 hdr_res_cnt;
  438. u32 cqe_flags;
  439. #define ISCSI_FW_RESPONSE_RESERVED2 (0xFF<<0)
  440. #define ISCSI_FW_RESPONSE_RESERVED2_SHIFT 0
  441. #define ISCSI_FW_RESPONSE_ERR_CODE (0xFF<<8)
  442. #define ISCSI_FW_RESPONSE_ERR_CODE_SHIFT 8
  443. #define ISCSI_FW_RESPONSE_RESERVED3 (0xFFFF<<16)
  444. #define ISCSI_FW_RESPONSE_RESERVED3_SHIFT 16
  445. u32 stat_sn;
  446. u32 hdr_dword2[2];
  447. u32 hdr_dword3[2];
  448. u32 task_stat;
  449. u32 reserved0;
  450. u32 hdr_itt;
  451. u32 cq_req_sn;
  452. };
  453. /*
  454. * iSCSI KCQ CQE parameters
  455. */
  456. union iscsi_kcqe_params {
  457. u32 reserved0[4];
  458. };
  459. /*
  460. * iSCSI KCQ CQE
  461. */
  462. struct iscsi_kcqe {
  463. u32 iscsi_conn_id;
  464. u32 completion_status;
  465. u32 iscsi_conn_context_id;
  466. union iscsi_kcqe_params params;
  467. #if defined(__BIG_ENDIAN)
  468. u8 flags;
  469. #define ISCSI_KCQE_RESERVED0 (0xF<<0)
  470. #define ISCSI_KCQE_RESERVED0_SHIFT 0
  471. #define ISCSI_KCQE_LAYER_CODE (0x7<<4)
  472. #define ISCSI_KCQE_LAYER_CODE_SHIFT 4
  473. #define ISCSI_KCQE_RESERVED1 (0x1<<7)
  474. #define ISCSI_KCQE_RESERVED1_SHIFT 7
  475. u8 op_code;
  476. u16 qe_self_seq;
  477. #elif defined(__LITTLE_ENDIAN)
  478. u16 qe_self_seq;
  479. u8 op_code;
  480. u8 flags;
  481. #define ISCSI_KCQE_RESERVED0 (0xF<<0)
  482. #define ISCSI_KCQE_RESERVED0_SHIFT 0
  483. #define ISCSI_KCQE_LAYER_CODE (0x7<<4)
  484. #define ISCSI_KCQE_LAYER_CODE_SHIFT 4
  485. #define ISCSI_KCQE_RESERVED1 (0x1<<7)
  486. #define ISCSI_KCQE_RESERVED1_SHIFT 7
  487. #endif
  488. };
  489. /*
  490. * iSCSI KWQE header
  491. */
  492. struct iscsi_kwqe_header {
  493. #if defined(__BIG_ENDIAN)
  494. u8 flags;
  495. #define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
  496. #define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
  497. #define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
  498. #define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
  499. #define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
  500. #define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
  501. u8 op_code;
  502. #elif defined(__LITTLE_ENDIAN)
  503. u8 op_code;
  504. u8 flags;
  505. #define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
  506. #define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
  507. #define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
  508. #define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
  509. #define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
  510. #define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
  511. #endif
  512. };
  513. /*
  514. * iSCSI firmware init request 1
  515. */
  516. struct iscsi_kwqe_init1 {
  517. #if defined(__BIG_ENDIAN)
  518. struct iscsi_kwqe_header hdr;
  519. u8 reserved0;
  520. u8 num_cqs;
  521. #elif defined(__LITTLE_ENDIAN)
  522. u8 num_cqs;
  523. u8 reserved0;
  524. struct iscsi_kwqe_header hdr;
  525. #endif
  526. u32 dummy_buffer_addr_lo;
  527. u32 dummy_buffer_addr_hi;
  528. #if defined(__BIG_ENDIAN)
  529. u16 num_ccells_per_conn;
  530. u16 num_tasks_per_conn;
  531. #elif defined(__LITTLE_ENDIAN)
  532. u16 num_tasks_per_conn;
  533. u16 num_ccells_per_conn;
  534. #endif
  535. #if defined(__BIG_ENDIAN)
  536. u16 sq_wqes_per_page;
  537. u16 sq_num_wqes;
  538. #elif defined(__LITTLE_ENDIAN)
  539. u16 sq_num_wqes;
  540. u16 sq_wqes_per_page;
  541. #endif
  542. #if defined(__BIG_ENDIAN)
  543. u8 cq_log_wqes_per_page;
  544. u8 flags;
  545. #define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
  546. #define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
  547. #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
  548. #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
  549. #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
  550. #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
  551. #define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
  552. #define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
  553. u16 cq_num_wqes;
  554. #elif defined(__LITTLE_ENDIAN)
  555. u16 cq_num_wqes;
  556. u8 flags;
  557. #define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
  558. #define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
  559. #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
  560. #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
  561. #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
  562. #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
  563. #define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
  564. #define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
  565. u8 cq_log_wqes_per_page;
  566. #endif
  567. #if defined(__BIG_ENDIAN)
  568. u16 cq_num_pages;
  569. u16 sq_num_pages;
  570. #elif defined(__LITTLE_ENDIAN)
  571. u16 sq_num_pages;
  572. u16 cq_num_pages;
  573. #endif
  574. #if defined(__BIG_ENDIAN)
  575. u16 rq_buffer_size;
  576. u16 rq_num_wqes;
  577. #elif defined(__LITTLE_ENDIAN)
  578. u16 rq_num_wqes;
  579. u16 rq_buffer_size;
  580. #endif
  581. };
  582. /*
  583. * iSCSI firmware init request 2
  584. */
  585. struct iscsi_kwqe_init2 {
  586. #if defined(__BIG_ENDIAN)
  587. struct iscsi_kwqe_header hdr;
  588. u16 max_cq_sqn;
  589. #elif defined(__LITTLE_ENDIAN)
  590. u16 max_cq_sqn;
  591. struct iscsi_kwqe_header hdr;
  592. #endif
  593. u32 error_bit_map[2];
  594. u32 reserved1[5];
  595. };
  596. /*
  597. * Initial iSCSI connection offload request 1
  598. */
  599. struct iscsi_kwqe_conn_offload1 {
  600. #if defined(__BIG_ENDIAN)
  601. struct iscsi_kwqe_header hdr;
  602. u16 iscsi_conn_id;
  603. #elif defined(__LITTLE_ENDIAN)
  604. u16 iscsi_conn_id;
  605. struct iscsi_kwqe_header hdr;
  606. #endif
  607. u32 sq_page_table_addr_lo;
  608. u32 sq_page_table_addr_hi;
  609. u32 cq_page_table_addr_lo;
  610. u32 cq_page_table_addr_hi;
  611. u32 reserved0[3];
  612. };
  613. /*
  614. * iSCSI Page Table Entry (PTE)
  615. */
  616. struct iscsi_pte {
  617. u32 hi;
  618. u32 lo;
  619. };
  620. /*
  621. * Initial iSCSI connection offload request 2
  622. */
  623. struct iscsi_kwqe_conn_offload2 {
  624. #if defined(__BIG_ENDIAN)
  625. struct iscsi_kwqe_header hdr;
  626. u16 reserved0;
  627. #elif defined(__LITTLE_ENDIAN)
  628. u16 reserved0;
  629. struct iscsi_kwqe_header hdr;
  630. #endif
  631. u32 rq_page_table_addr_lo;
  632. u32 rq_page_table_addr_hi;
  633. struct iscsi_pte sq_first_pte;
  634. struct iscsi_pte cq_first_pte;
  635. u32 num_additional_wqes;
  636. };
  637. /*
  638. * Initial iSCSI connection offload request 3
  639. */
  640. struct iscsi_kwqe_conn_offload3 {
  641. #if defined(__BIG_ENDIAN)
  642. struct iscsi_kwqe_header hdr;
  643. u16 reserved0;
  644. #elif defined(__LITTLE_ENDIAN)
  645. u16 reserved0;
  646. struct iscsi_kwqe_header hdr;
  647. #endif
  648. u32 reserved1;
  649. struct iscsi_pte qp_first_pte[3];
  650. };
  651. /*
  652. * iSCSI connection update request
  653. */
  654. struct iscsi_kwqe_conn_update {
  655. #if defined(__BIG_ENDIAN)
  656. struct iscsi_kwqe_header hdr;
  657. u16 reserved0;
  658. #elif defined(__LITTLE_ENDIAN)
  659. u16 reserved0;
  660. struct iscsi_kwqe_header hdr;
  661. #endif
  662. #if defined(__BIG_ENDIAN)
  663. u8 session_error_recovery_level;
  664. u8 max_outstanding_r2ts;
  665. u8 reserved2;
  666. u8 conn_flags;
  667. #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
  668. #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
  669. #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
  670. #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
  671. #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
  672. #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
  673. #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
  674. #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
  675. #define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0xF<<4)
  676. #define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 4
  677. #elif defined(__LITTLE_ENDIAN)
  678. u8 conn_flags;
  679. #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
  680. #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
  681. #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
  682. #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
  683. #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
  684. #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
  685. #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
  686. #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
  687. #define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0xF<<4)
  688. #define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 4
  689. u8 reserved2;
  690. u8 max_outstanding_r2ts;
  691. u8 session_error_recovery_level;
  692. #endif
  693. u32 context_id;
  694. u32 max_send_pdu_length;
  695. u32 max_recv_pdu_length;
  696. u32 first_burst_length;
  697. u32 max_burst_length;
  698. u32 exp_stat_sn;
  699. };
  700. /*
  701. * iSCSI destroy connection request
  702. */
  703. struct iscsi_kwqe_conn_destroy {
  704. #if defined(__BIG_ENDIAN)
  705. struct iscsi_kwqe_header hdr;
  706. u16 reserved0;
  707. #elif defined(__LITTLE_ENDIAN)
  708. u16 reserved0;
  709. struct iscsi_kwqe_header hdr;
  710. #endif
  711. u32 context_id;
  712. u32 reserved1[6];
  713. };
  714. /*
  715. * iSCSI KWQ WQE
  716. */
  717. union iscsi_kwqe {
  718. struct iscsi_kwqe_init1 init1;
  719. struct iscsi_kwqe_init2 init2;
  720. struct iscsi_kwqe_conn_offload1 conn_offload1;
  721. struct iscsi_kwqe_conn_offload2 conn_offload2;
  722. struct iscsi_kwqe_conn_update conn_update;
  723. struct iscsi_kwqe_conn_destroy conn_destroy;
  724. };
  725. /*
  726. * iSCSI Login SQ WQE
  727. */
  728. struct bnx2i_login_request {
  729. #if defined(__BIG_ENDIAN)
  730. u8 op_code;
  731. u8 op_attr;
  732. #define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
  733. #define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
  734. #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
  735. #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
  736. #define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
  737. #define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
  738. #define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
  739. #define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
  740. #define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
  741. #define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
  742. u8 version_max;
  743. u8 version_min;
  744. #elif defined(__LITTLE_ENDIAN)
  745. u8 version_min;
  746. u8 version_max;
  747. u8 op_attr;
  748. #define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
  749. #define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
  750. #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
  751. #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
  752. #define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
  753. #define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
  754. #define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
  755. #define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
  756. #define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
  757. #define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
  758. u8 op_code;
  759. #endif
  760. u32 data_length;
  761. u32 isid_lo;
  762. #if defined(__BIG_ENDIAN)
  763. u16 isid_hi;
  764. u16 tsih;
  765. #elif defined(__LITTLE_ENDIAN)
  766. u16 tsih;
  767. u16 isid_hi;
  768. #endif
  769. #if defined(__BIG_ENDIAN)
  770. u16 reserved2;
  771. u16 itt;
  772. #define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
  773. #define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
  774. #define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
  775. #define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
  776. #elif defined(__LITTLE_ENDIAN)
  777. u16 itt;
  778. #define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
  779. #define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
  780. #define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
  781. #define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
  782. u16 reserved2;
  783. #endif
  784. #if defined(__BIG_ENDIAN)
  785. u16 cid;
  786. u16 reserved3;
  787. #elif defined(__LITTLE_ENDIAN)
  788. u16 reserved3;
  789. u16 cid;
  790. #endif
  791. u32 cmd_sn;
  792. u32 exp_stat_sn;
  793. u32 reserved4;
  794. u32 resp_bd_list_addr_lo;
  795. u32 resp_bd_list_addr_hi;
  796. u32 resp_buffer;
  797. #define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
  798. #define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
  799. #define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS (0xFF<<24)
  800. #define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS_SHIFT 24
  801. #if defined(__BIG_ENDIAN)
  802. u16 reserved8;
  803. u8 reserved7;
  804. u8 flags;
  805. #define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
  806. #define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
  807. #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
  808. #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
  809. #define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
  810. #define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
  811. #elif defined(__LITTLE_ENDIAN)
  812. u8 flags;
  813. #define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
  814. #define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
  815. #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
  816. #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
  817. #define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
  818. #define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
  819. u8 reserved7;
  820. u16 reserved8;
  821. #endif
  822. u32 bd_list_addr_lo;
  823. u32 bd_list_addr_hi;
  824. #if defined(__BIG_ENDIAN)
  825. u8 cq_index;
  826. u8 reserved10;
  827. u8 reserved9;
  828. u8 num_bds;
  829. #elif defined(__LITTLE_ENDIAN)
  830. u8 num_bds;
  831. u8 reserved9;
  832. u8 reserved10;
  833. u8 cq_index;
  834. #endif
  835. };
  836. /*
  837. * iSCSI Login CQE
  838. */
  839. struct bnx2i_login_response {
  840. #if defined(__BIG_ENDIAN)
  841. u8 op_code;
  842. u8 response_flags;
  843. #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
  844. #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
  845. #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
  846. #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
  847. #define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
  848. #define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
  849. #define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
  850. #define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
  851. #define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
  852. #define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
  853. u8 version_max;
  854. u8 version_active;
  855. #elif defined(__LITTLE_ENDIAN)
  856. u8 version_active;
  857. u8 version_max;
  858. u8 response_flags;
  859. #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
  860. #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
  861. #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
  862. #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
  863. #define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
  864. #define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
  865. #define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
  866. #define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
  867. #define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
  868. #define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
  869. u8 op_code;
  870. #endif
  871. u32 data_length;
  872. u32 exp_cmd_sn;
  873. u32 max_cmd_sn;
  874. u32 reserved1[2];
  875. #if defined(__BIG_ENDIAN)
  876. u16 reserved3;
  877. u8 err_code;
  878. u8 reserved2;
  879. #elif defined(__LITTLE_ENDIAN)
  880. u8 reserved2;
  881. u8 err_code;
  882. u16 reserved3;
  883. #endif
  884. u32 stat_sn;
  885. u32 isid_lo;
  886. #if defined(__BIG_ENDIAN)
  887. u16 isid_hi;
  888. u16 tsih;
  889. #elif defined(__LITTLE_ENDIAN)
  890. u16 tsih;
  891. u16 isid_hi;
  892. #endif
  893. #if defined(__BIG_ENDIAN)
  894. u8 status_class;
  895. u8 status_detail;
  896. u16 reserved4;
  897. #elif defined(__LITTLE_ENDIAN)
  898. u16 reserved4;
  899. u8 status_detail;
  900. u8 status_class;
  901. #endif
  902. u32 reserved5[3];
  903. #if defined(__BIG_ENDIAN)
  904. u16 reserved6;
  905. u16 itt;
  906. #define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
  907. #define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
  908. #define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
  909. #define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
  910. #elif defined(__LITTLE_ENDIAN)
  911. u16 itt;
  912. #define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
  913. #define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
  914. #define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
  915. #define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
  916. u16 reserved6;
  917. #endif
  918. u32 cq_req_sn;
  919. };
  920. /*
  921. * iSCSI Logout SQ WQE
  922. */
  923. struct bnx2i_logout_request {
  924. #if defined(__BIG_ENDIAN)
  925. u8 op_code;
  926. u8 op_attr;
  927. #define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
  928. #define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
  929. #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
  930. #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
  931. u16 reserved0;
  932. #elif defined(__LITTLE_ENDIAN)
  933. u16 reserved0;
  934. u8 op_attr;
  935. #define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
  936. #define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
  937. #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
  938. #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
  939. u8 op_code;
  940. #endif
  941. u32 data_length;
  942. u32 reserved1[2];
  943. #if defined(__BIG_ENDIAN)
  944. u16 reserved2;
  945. u16 itt;
  946. #define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
  947. #define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
  948. #define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
  949. #define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
  950. #elif defined(__LITTLE_ENDIAN)
  951. u16 itt;
  952. #define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
  953. #define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
  954. #define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
  955. #define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
  956. u16 reserved2;
  957. #endif
  958. #if defined(__BIG_ENDIAN)
  959. u16 cid;
  960. u16 reserved3;
  961. #elif defined(__LITTLE_ENDIAN)
  962. u16 reserved3;
  963. u16 cid;
  964. #endif
  965. u32 cmd_sn;
  966. u32 reserved4[5];
  967. u32 zero_fill;
  968. u32 bd_list_addr_lo;
  969. u32 bd_list_addr_hi;
  970. #if defined(__BIG_ENDIAN)
  971. u8 cq_index;
  972. u8 reserved6;
  973. u8 reserved5;
  974. u8 num_bds;
  975. #elif defined(__LITTLE_ENDIAN)
  976. u8 num_bds;
  977. u8 reserved5;
  978. u8 reserved6;
  979. u8 cq_index;
  980. #endif
  981. };
  982. /*
  983. * iSCSI Logout CQE
  984. */
  985. struct bnx2i_logout_response {
  986. #if defined(__BIG_ENDIAN)
  987. u8 op_code;
  988. u8 reserved1;
  989. u8 response;
  990. u8 reserved0;
  991. #elif defined(__LITTLE_ENDIAN)
  992. u8 reserved0;
  993. u8 response;
  994. u8 reserved1;
  995. u8 op_code;
  996. #endif
  997. u32 reserved2;
  998. u32 exp_cmd_sn;
  999. u32 max_cmd_sn;
  1000. u32 reserved3[2];
  1001. #if defined(__BIG_ENDIAN)
  1002. u16 reserved5;
  1003. u8 err_code;
  1004. u8 reserved4;
  1005. #elif defined(__LITTLE_ENDIAN)
  1006. u8 reserved4;
  1007. u8 err_code;
  1008. u16 reserved5;
  1009. #endif
  1010. u32 reserved6[3];
  1011. #if defined(__BIG_ENDIAN)
  1012. u16 time_to_wait;
  1013. u16 time_to_retain;
  1014. #elif defined(__LITTLE_ENDIAN)
  1015. u16 time_to_retain;
  1016. u16 time_to_wait;
  1017. #endif
  1018. u32 reserved7[3];
  1019. #if defined(__BIG_ENDIAN)
  1020. u16 reserved8;
  1021. u16 itt;
  1022. #define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
  1023. #define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
  1024. #define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
  1025. #define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
  1026. #elif defined(__LITTLE_ENDIAN)
  1027. u16 itt;
  1028. #define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
  1029. #define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
  1030. #define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
  1031. #define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
  1032. u16 reserved8;
  1033. #endif
  1034. u32 cq_req_sn;
  1035. };
  1036. /*
  1037. * iSCSI Nop-In CQE
  1038. */
  1039. struct bnx2i_nop_in_msg {
  1040. #if defined(__BIG_ENDIAN)
  1041. u8 op_code;
  1042. u8 reserved1;
  1043. u16 reserved0;
  1044. #elif defined(__LITTLE_ENDIAN)
  1045. u16 reserved0;
  1046. u8 reserved1;
  1047. u8 op_code;
  1048. #endif
  1049. u32 data_length;
  1050. u32 exp_cmd_sn;
  1051. u32 max_cmd_sn;
  1052. u32 ttt;
  1053. u32 reserved2;
  1054. #if defined(__BIG_ENDIAN)
  1055. u16 reserved4;
  1056. u8 err_code;
  1057. u8 reserved3;
  1058. #elif defined(__LITTLE_ENDIAN)
  1059. u8 reserved3;
  1060. u8 err_code;
  1061. u16 reserved4;
  1062. #endif
  1063. u32 reserved5;
  1064. u32 lun[2];
  1065. u32 reserved6[4];
  1066. #if defined(__BIG_ENDIAN)
  1067. u16 reserved7;
  1068. u16 itt;
  1069. #define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
  1070. #define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
  1071. #define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
  1072. #define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
  1073. #elif defined(__LITTLE_ENDIAN)
  1074. u16 itt;
  1075. #define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
  1076. #define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
  1077. #define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
  1078. #define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
  1079. u16 reserved7;
  1080. #endif
  1081. u32 cq_req_sn;
  1082. };
  1083. /*
  1084. * iSCSI NOP-OUT SQ WQE
  1085. */
  1086. struct bnx2i_nop_out_request {
  1087. #if defined(__BIG_ENDIAN)
  1088. u8 op_code;
  1089. u8 op_attr;
  1090. #define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
  1091. #define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
  1092. #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
  1093. #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
  1094. u16 reserved0;
  1095. #elif defined(__LITTLE_ENDIAN)
  1096. u16 reserved0;
  1097. u8 op_attr;
  1098. #define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
  1099. #define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
  1100. #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
  1101. #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
  1102. u8 op_code;
  1103. #endif
  1104. u32 data_length;
  1105. u32 lun[2];
  1106. #if defined(__BIG_ENDIAN)
  1107. u16 reserved2;
  1108. u16 itt;
  1109. #define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
  1110. #define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
  1111. #define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
  1112. #define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
  1113. #elif defined(__LITTLE_ENDIAN)
  1114. u16 itt;
  1115. #define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
  1116. #define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
  1117. #define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
  1118. #define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
  1119. u16 reserved2;
  1120. #endif
  1121. u32 ttt;
  1122. u32 cmd_sn;
  1123. u32 reserved3[2];
  1124. u32 resp_bd_list_addr_lo;
  1125. u32 resp_bd_list_addr_hi;
  1126. u32 resp_buffer;
  1127. #define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
  1128. #define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
  1129. #define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS (0xFF<<24)
  1130. #define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS_SHIFT 24
  1131. #if defined(__BIG_ENDIAN)
  1132. u16 reserved7;
  1133. u8 reserved6;
  1134. u8 flags;
  1135. #define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
  1136. #define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
  1137. #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
  1138. #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
  1139. #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
  1140. #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
  1141. #elif defined(__LITTLE_ENDIAN)
  1142. u8 flags;
  1143. #define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
  1144. #define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
  1145. #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
  1146. #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
  1147. #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
  1148. #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
  1149. u8 reserved6;
  1150. u16 reserved7;
  1151. #endif
  1152. u32 bd_list_addr_lo;
  1153. u32 bd_list_addr_hi;
  1154. #if defined(__BIG_ENDIAN)
  1155. u8 cq_index;
  1156. u8 reserved9;
  1157. u8 reserved8;
  1158. u8 num_bds;
  1159. #elif defined(__LITTLE_ENDIAN)
  1160. u8 num_bds;
  1161. u8 reserved8;
  1162. u8 reserved9;
  1163. u8 cq_index;
  1164. #endif
  1165. };
  1166. /*
  1167. * iSCSI Reject CQE
  1168. */
  1169. struct bnx2i_reject_msg {
  1170. #if defined(__BIG_ENDIAN)
  1171. u8 op_code;
  1172. u8 reserved1;
  1173. u8 reason;
  1174. u8 reserved0;
  1175. #elif defined(__LITTLE_ENDIAN)
  1176. u8 reserved0;
  1177. u8 reason;
  1178. u8 reserved1;
  1179. u8 op_code;
  1180. #endif
  1181. u32 data_length;
  1182. u32 exp_cmd_sn;
  1183. u32 max_cmd_sn;
  1184. u32 reserved2[2];
  1185. #if defined(__BIG_ENDIAN)
  1186. u16 reserved4;
  1187. u8 err_code;
  1188. u8 reserved3;
  1189. #elif defined(__LITTLE_ENDIAN)
  1190. u8 reserved3;
  1191. u8 err_code;
  1192. u16 reserved4;
  1193. #endif
  1194. u32 reserved5[8];
  1195. u32 cq_req_sn;
  1196. };
  1197. /*
  1198. * bnx2i iSCSI TMF SQ WQE
  1199. */
  1200. struct bnx2i_tmf_request {
  1201. #if defined(__BIG_ENDIAN)
  1202. u8 op_code;
  1203. u8 op_attr;
  1204. #define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
  1205. #define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
  1206. #define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
  1207. #define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
  1208. u16 reserved0;
  1209. #elif defined(__LITTLE_ENDIAN)
  1210. u16 reserved0;
  1211. u8 op_attr;
  1212. #define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
  1213. #define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
  1214. #define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
  1215. #define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
  1216. u8 op_code;
  1217. #endif
  1218. u32 data_length;
  1219. u32 lun[2];
  1220. #if defined(__BIG_ENDIAN)
  1221. u16 reserved1;
  1222. u16 itt;
  1223. #define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
  1224. #define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
  1225. #define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
  1226. #define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
  1227. #elif defined(__LITTLE_ENDIAN)
  1228. u16 itt;
  1229. #define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
  1230. #define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
  1231. #define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
  1232. #define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
  1233. u16 reserved1;
  1234. #endif
  1235. u32 ref_itt;
  1236. u32 cmd_sn;
  1237. u32 reserved2;
  1238. u32 ref_cmd_sn;
  1239. u32 reserved3[3];
  1240. u32 zero_fill;
  1241. u32 bd_list_addr_lo;
  1242. u32 bd_list_addr_hi;
  1243. #if defined(__BIG_ENDIAN)
  1244. u8 cq_index;
  1245. u8 reserved5;
  1246. u8 reserved4;
  1247. u8 num_bds;
  1248. #elif defined(__LITTLE_ENDIAN)
  1249. u8 num_bds;
  1250. u8 reserved4;
  1251. u8 reserved5;
  1252. u8 cq_index;
  1253. #endif
  1254. };
  1255. /*
  1256. * iSCSI Text SQ WQE
  1257. */
  1258. struct bnx2i_text_request {
  1259. #if defined(__BIG_ENDIAN)
  1260. u8 op_code;
  1261. u8 op_attr;
  1262. #define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
  1263. #define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
  1264. #define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
  1265. #define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
  1266. #define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
  1267. #define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
  1268. u16 reserved0;
  1269. #elif defined(__LITTLE_ENDIAN)
  1270. u16 reserved0;
  1271. u8 op_attr;
  1272. #define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
  1273. #define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
  1274. #define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
  1275. #define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
  1276. #define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
  1277. #define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
  1278. u8 op_code;
  1279. #endif
  1280. u32 data_length;
  1281. u32 lun[2];
  1282. #if defined(__BIG_ENDIAN)
  1283. u16 reserved3;
  1284. u16 itt;
  1285. #define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
  1286. #define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
  1287. #define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
  1288. #define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
  1289. #elif defined(__LITTLE_ENDIAN)
  1290. u16 itt;
  1291. #define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
  1292. #define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
  1293. #define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
  1294. #define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
  1295. u16 reserved3;
  1296. #endif
  1297. u32 ttt;
  1298. u32 cmd_sn;
  1299. u32 reserved4[2];
  1300. u32 resp_bd_list_addr_lo;
  1301. u32 resp_bd_list_addr_hi;
  1302. u32 resp_buffer;
  1303. #define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
  1304. #define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
  1305. #define ISCSI_TEXT_REQUEST_NUM_RESP_BDS (0xFF<<24)
  1306. #define ISCSI_TEXT_REQUEST_NUM_RESP_BDS_SHIFT 24
  1307. u32 zero_fill;
  1308. u32 bd_list_addr_lo;
  1309. u32 bd_list_addr_hi;
  1310. #if defined(__BIG_ENDIAN)
  1311. u8 cq_index;
  1312. u8 reserved7;
  1313. u8 reserved6;
  1314. u8 num_bds;
  1315. #elif defined(__LITTLE_ENDIAN)
  1316. u8 num_bds;
  1317. u8 reserved6;
  1318. u8 reserved7;
  1319. u8 cq_index;
  1320. #endif
  1321. };
  1322. /*
  1323. * iSCSI SQ WQE
  1324. */
  1325. union iscsi_request {
  1326. struct bnx2i_cmd_request cmd;
  1327. struct bnx2i_tmf_request tmf;
  1328. struct bnx2i_nop_out_request nop_out;
  1329. struct bnx2i_login_request login_req;
  1330. struct bnx2i_text_request text;
  1331. struct bnx2i_logout_request logout_req;
  1332. struct bnx2i_cleanup_request cleanup;
  1333. };
  1334. /*
  1335. * iSCSI TMF CQE
  1336. */
  1337. struct bnx2i_tmf_response {
  1338. #if defined(__BIG_ENDIAN)
  1339. u8 op_code;
  1340. u8 reserved1;
  1341. u8 response;
  1342. u8 reserved0;
  1343. #elif defined(__LITTLE_ENDIAN)
  1344. u8 reserved0;
  1345. u8 response;
  1346. u8 reserved1;
  1347. u8 op_code;
  1348. #endif
  1349. u32 reserved2;
  1350. u32 exp_cmd_sn;
  1351. u32 max_cmd_sn;
  1352. u32 reserved3[2];
  1353. #if defined(__BIG_ENDIAN)
  1354. u16 reserved5;
  1355. u8 err_code;
  1356. u8 reserved4;
  1357. #elif defined(__LITTLE_ENDIAN)
  1358. u8 reserved4;
  1359. u8 err_code;
  1360. u16 reserved5;
  1361. #endif
  1362. u32 reserved6[7];
  1363. #if defined(__BIG_ENDIAN)
  1364. u16 reserved7;
  1365. u16 itt;
  1366. #define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
  1367. #define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
  1368. #define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
  1369. #define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
  1370. #elif defined(__LITTLE_ENDIAN)
  1371. u16 itt;
  1372. #define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
  1373. #define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
  1374. #define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
  1375. #define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
  1376. u16 reserved7;
  1377. #endif
  1378. u32 cq_req_sn;
  1379. };
  1380. /*
  1381. * iSCSI Text CQE
  1382. */
  1383. struct bnx2i_text_response {
  1384. #if defined(__BIG_ENDIAN)
  1385. u8 op_code;
  1386. u8 response_flags;
  1387. #define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
  1388. #define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
  1389. #define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
  1390. #define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
  1391. #define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
  1392. #define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
  1393. u16 reserved0;
  1394. #elif defined(__LITTLE_ENDIAN)
  1395. u16 reserved0;
  1396. u8 response_flags;
  1397. #define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
  1398. #define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
  1399. #define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
  1400. #define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
  1401. #define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
  1402. #define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
  1403. u8 op_code;
  1404. #endif
  1405. u32 data_length;
  1406. u32 exp_cmd_sn;
  1407. u32 max_cmd_sn;
  1408. u32 ttt;
  1409. u32 reserved2;
  1410. #if defined(__BIG_ENDIAN)
  1411. u16 reserved4;
  1412. u8 err_code;
  1413. u8 reserved3;
  1414. #elif defined(__LITTLE_ENDIAN)
  1415. u8 reserved3;
  1416. u8 err_code;
  1417. u16 reserved4;
  1418. #endif
  1419. u32 reserved5;
  1420. u32 lun[2];
  1421. u32 reserved6[4];
  1422. #if defined(__BIG_ENDIAN)
  1423. u16 reserved7;
  1424. u16 itt;
  1425. #define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
  1426. #define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
  1427. #define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
  1428. #define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
  1429. #elif defined(__LITTLE_ENDIAN)
  1430. u16 itt;
  1431. #define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
  1432. #define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
  1433. #define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
  1434. #define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
  1435. u16 reserved7;
  1436. #endif
  1437. u32 cq_req_sn;
  1438. };
  1439. /*
  1440. * iSCSI CQE
  1441. */
  1442. union iscsi_response {
  1443. struct bnx2i_cmd_response cmd;
  1444. struct bnx2i_tmf_response tmf;
  1445. struct bnx2i_login_response login_resp;
  1446. struct bnx2i_text_response text;
  1447. struct bnx2i_logout_response logout_resp;
  1448. struct bnx2i_cleanup_response cleanup;
  1449. struct bnx2i_reject_msg reject;
  1450. struct bnx2i_async_msg async;
  1451. struct bnx2i_nop_in_msg nop_in;
  1452. };
  1453. #endif /* __57XX_ISCSI_HSI_LINUX_LE__ */