projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 7a9b6b8f | 1 | /* QLogic qed NIC Driver |
| e8f1cb50 | 2 | * Copyright (c) 2015-2017 QLogic Corporation |
| 7a9b6b8f | 3 | * |
| e8f1cb50 MY |
4 | * This software is available to you under a choice of one of two |
| 5 | * licenses. You may choose to be licensed under the terms of the GNU | |
| 6 | * General Public License (GPL) Version 2, available from the file | |
| 7 | * COPYING in the main directory of this source tree, or the | |
| 8 | * OpenIB.org BSD license below: | |
| 9 | * | |
| 10 | * Redistribution and use in source and binary forms, with or | |
| 11 | * without modification, are permitted provided that the following | |
| 12 | * conditions are met: | |
| 13 | * | |
| 14 | * - Redistributions of source code must retain the above | |
| 15 | * copyright notice, this list of conditions and the following | |
| 16 | * disclaimer. | |
| 17 | * | |
| 18 | * - Redistributions in binary form must reproduce the above | |
| 19 | * copyright notice, this list of conditions and the following | |
| 20 | * disclaimer in the documentation and /or other materials | |
| 21 | * provided with the distribution. | |
| 22 | * | |
| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
| 25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
| 26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
| 27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
| 28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
| 29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| 30 | * SOFTWARE. | |
| 7a9b6b8f YM |
31 | */ |
| 32 | ||
| 33 | #ifndef __ISCSI_COMMON__ | |
| 34 | #define __ISCSI_COMMON__ | |
| a2e7699e | 35 | |
| 7a9b6b8f YM |
36 | /**********************/ |
| 37 | /* ISCSI FW CONSTANTS */ | |
| 38 | /**********************/ | |
| 39 | ||
| 40 | /* iSCSI HSI constants */ | |
| a2e7699e | 41 | #define ISCSI_DEFAULT_MTU (1500) |
| 7a9b6b8f | 42 | |
| 7a9b6b8f | 43 | /* KWQ (kernel work queue) layer codes */ |
| a2e7699e | 44 | #define ISCSI_SLOW_PATH_LAYER_CODE (6) |
| 7a9b6b8f | 45 | |
| 7a9b6b8f | 46 | /* iSCSI parameter defaults */ |
| a2e7699e TT |
47 | #define ISCSI_DEFAULT_HEADER_DIGEST (0) |
| 48 | #define ISCSI_DEFAULT_DATA_DIGEST (0) | |
| 49 | #define ISCSI_DEFAULT_INITIAL_R2T (1) | |
| 50 | #define ISCSI_DEFAULT_IMMEDIATE_DATA (1) | |
| 51 | #define ISCSI_DEFAULT_MAX_PDU_LENGTH (0x2000) | |
| 52 | #define ISCSI_DEFAULT_FIRST_BURST_LENGTH (0x10000) | |
| 53 | #define ISCSI_DEFAULT_MAX_BURST_LENGTH (0x40000) | |
| 54 | #define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (1) | |
| 7a9b6b8f YM |
55 | |
| 56 | /* iSCSI parameter limits */ | |
| a2e7699e TT |
57 | #define ISCSI_MIN_VAL_MAX_PDU_LENGTH (0x200) |
| 58 | #define ISCSI_MAX_VAL_MAX_PDU_LENGTH (0xffffff) | |
| 59 | #define ISCSI_MIN_VAL_BURST_LENGTH (0x200) | |
| 60 | #define ISCSI_MAX_VAL_BURST_LENGTH (0xffffff) | |
| 61 | #define ISCSI_MIN_VAL_MAX_OUTSTANDING_R2T (1) | |
| 62 | #define ISCSI_MAX_VAL_MAX_OUTSTANDING_R2T (0xff) | |
| 7a9b6b8f | 63 | |
| a2e7699e | 64 | #define ISCSI_AHS_CNTL_SIZE 4 |
| be086e7c | 65 | |
| a2e7699e | 66 | #define ISCSI_WQE_NUM_SGES_SLOWIO (0xf) |
| be086e7c | 67 | |
| 7a9b6b8f YM |
68 | /* iSCSI reserved params */ |
| 69 | #define ISCSI_ITT_ALL_ONES (0xffffffff) | |
| 70 | #define ISCSI_TTT_ALL_ONES (0xffffffff) | |
| 71 | ||
| a2e7699e TT |
72 | #define ISCSI_OPTION_1_OFF_CHIP_TCP 1 |
| 73 | #define ISCSI_OPTION_2_ON_CHIP_TCP 2 | |
| 7a9b6b8f | 74 | |
| a2e7699e TT |
75 | #define ISCSI_INITIATOR_MODE 0 |
| 76 | #define ISCSI_TARGET_MODE 1 | |
| 7a9b6b8f YM |
77 | |
| 78 | /* iSCSI request op codes */ | |
| 7b6859fb MY |
79 | #define ISCSI_OPCODE_NOP_OUT (0) |
| 80 | #define ISCSI_OPCODE_SCSI_CMD (1) | |
| 81 | #define ISCSI_OPCODE_TMF_REQUEST (2) | |
| 82 | #define ISCSI_OPCODE_LOGIN_REQUEST (3) | |
| 83 | #define ISCSI_OPCODE_TEXT_REQUEST (4) | |
| 84 | #define ISCSI_OPCODE_DATA_OUT (5) | |
| 85 | #define ISCSI_OPCODE_LOGOUT_REQUEST (6) | |
| 7a9b6b8f YM |
86 | |
| 87 | /* iSCSI response/messages op codes */ | |
| a2e7699e TT |
88 | #define ISCSI_OPCODE_NOP_IN (0x20) |
| 89 | #define ISCSI_OPCODE_SCSI_RESPONSE (0x21) | |
| 90 | #define ISCSI_OPCODE_TMF_RESPONSE (0x22) | |
| 91 | #define ISCSI_OPCODE_LOGIN_RESPONSE (0x23) | |
| 92 | #define ISCSI_OPCODE_TEXT_RESPONSE (0x24) | |
| 93 | #define ISCSI_OPCODE_DATA_IN (0x25) | |
| 94 | #define ISCSI_OPCODE_LOGOUT_RESPONSE (0x26) | |
| 95 | #define ISCSI_OPCODE_R2T (0x31) | |
| 96 | #define ISCSI_OPCODE_ASYNC_MSG (0x32) | |
| 97 | #define ISCSI_OPCODE_REJECT (0x3f) | |
| 7a9b6b8f YM |
98 | |
| 99 | /* iSCSI stages */ | |
| a2e7699e TT |
100 | #define ISCSI_STAGE_SECURITY_NEGOTIATION (0) |
| 101 | #define ISCSI_STAGE_LOGIN_OPERATIONAL_NEGOTIATION (1) | |
| 102 | #define ISCSI_STAGE_FULL_FEATURE_PHASE (3) | |
| 7a9b6b8f YM |
103 | |
| 104 | /* iSCSI CQE errors */ | |
| a2e7699e TT |
105 | #define CQE_ERROR_BITMAP_DATA_DIGEST (0x08) |
| 106 | #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN (0x10) | |
| 107 | #define CQE_ERROR_BITMAP_DATA_TRUNCATED (0x20) | |
| 7a9b6b8f | 108 | |
| da090917 TT |
109 | /* Union of data bd_opaque/ tq_tid */ |
| 110 | union bd_opaque_tq_union { | |
| 111 | __le16 bd_opaque; | |
| 112 | __le16 tq_tid; | |
| 113 | }; | |
| 114 | ||
| a2e7699e | 115 | /* ISCSI SGL entry */ |
| 7a9b6b8f YM |
116 | struct cqe_error_bitmap { |
| 117 | u8 cqe_error_status_bits; | |
| a2e7699e TT |
118 | #define CQE_ERROR_BITMAP_DIF_ERR_BITS_MASK 0x7 |
| 119 | #define CQE_ERROR_BITMAP_DIF_ERR_BITS_SHIFT 0 | |
| 120 | #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_MASK 0x1 | |
| 121 | #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_SHIFT 3 | |
| 122 | #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_MASK 0x1 | |
| 123 | #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_SHIFT 4 | |
| 124 | #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_MASK 0x1 | |
| 125 | #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_SHIFT 5 | |
| 126 | #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_MASK 0x1 | |
| 127 | #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_SHIFT 6 | |
| 128 | #define CQE_ERROR_BITMAP_RESERVED2_MASK 0x1 | |
| 129 | #define CQE_ERROR_BITMAP_RESERVED2_SHIFT 7 | |
| 7a9b6b8f YM |
130 | }; |
| 131 | ||
| 132 | union cqe_error_status { | |
| 133 | u8 error_status; | |
| 134 | struct cqe_error_bitmap error_bits; | |
| 135 | }; | |
| 136 | ||
| a2e7699e | 137 | /* iSCSI Login Response PDU header */ |
| 7a9b6b8f YM |
138 | struct data_hdr { |
| 139 | __le32 data[12]; | |
| 140 | }; | |
| 141 | ||
| da090917 TT |
142 | struct lun_mapper_addr_reserved { |
| 143 | struct regpair lun_mapper_addr; | |
| 144 | u8 reserved0[8]; | |
| 145 | }; | |
| 146 | ||
| 147 | /* rdif conetxt for dif on immediate */ | |
| 148 | struct dif_on_immediate_params { | |
| 149 | __le32 initial_ref_tag; | |
| 150 | __le16 application_tag; | |
| 151 | __le16 application_tag_mask; | |
| 152 | __le16 flags1; | |
| 153 | #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_GUARD_MASK 0x1 | |
| 154 | #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_GUARD_SHIFT 0 | |
| 155 | #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_APP_TAG_MASK 0x1 | |
| 156 | #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_APP_TAG_SHIFT 1 | |
| 157 | #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_REF_TAG_MASK 0x1 | |
| 158 | #define DIF_ON_IMMEDIATE_PARAMS_VALIDATE_REF_TAG_SHIFT 2 | |
| 159 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_GUARD_MASK 0x1 | |
| 160 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_GUARD_SHIFT 3 | |
| 161 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_MASK 0x1 | |
| 162 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_SHIFT 4 | |
| 163 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_MASK 0x1 | |
| 164 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_SHIFT 5 | |
| 165 | #define DIF_ON_IMMEDIATE_PARAMS_INTERVAL_SIZE_MASK 0x1 | |
| 166 | #define DIF_ON_IMMEDIATE_PARAMS_INTERVAL_SIZE_SHIFT 6 | |
| 167 | #define DIF_ON_IMMEDIATE_PARAMS_NETWORK_INTERFACE_MASK 0x1 | |
| 168 | #define DIF_ON_IMMEDIATE_PARAMS_NETWORK_INTERFACE_SHIFT 7 | |
| 169 | #define DIF_ON_IMMEDIATE_PARAMS_HOST_INTERFACE_MASK 0x3 | |
| 170 | #define DIF_ON_IMMEDIATE_PARAMS_HOST_INTERFACE_SHIFT 8 | |
| 171 | #define DIF_ON_IMMEDIATE_PARAMS_REF_TAG_MASK_MASK 0xF | |
| 172 | #define DIF_ON_IMMEDIATE_PARAMS_REF_TAG_MASK_SHIFT 10 | |
| 173 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_WITH_MASK_MASK 0x1 | |
| 174 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_APP_TAG_WITH_MASK_SHIFT 14 | |
| 175 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_WITH_MASK_MASK 0x1 | |
| 176 | #define DIF_ON_IMMEDIATE_PARAMS_FORWARD_REF_TAG_WITH_MASK_SHIFT 15 | |
| 177 | u8 flags0; | |
| 178 | #define DIF_ON_IMMEDIATE_PARAMS_RESERVED_MASK 0x1 | |
| 179 | #define DIF_ON_IMMEDIATE_PARAMS_RESERVED_SHIFT 0 | |
| 180 | #define DIF_ON_IMMEDIATE_PARAMS_IGNORE_APP_TAG_MASK 0x1 | |
| 181 | #define DIF_ON_IMMEDIATE_PARAMS_IGNORE_APP_TAG_SHIFT 1 | |
| 182 | #define DIF_ON_IMMEDIATE_PARAMS_INITIAL_REF_TAG_IS_VALID_MASK 0x1 | |
| 183 | #define DIF_ON_IMMEDIATE_PARAMS_INITIAL_REF_TAG_IS_VALID_SHIFT 2 | |
| 184 | #define DIF_ON_IMMEDIATE_PARAMS_HOST_GUARD_TYPE_MASK 0x1 | |
| 185 | #define DIF_ON_IMMEDIATE_PARAMS_HOST_GUARD_TYPE_SHIFT 3 | |
| 186 | #define DIF_ON_IMMEDIATE_PARAMS_PROTECTION_TYPE_MASK 0x3 | |
| 187 | #define DIF_ON_IMMEDIATE_PARAMS_PROTECTION_TYPE_SHIFT 4 | |
| 188 | #define DIF_ON_IMMEDIATE_PARAMS_CRC_SEED_MASK 0x1 | |
| 189 | #define DIF_ON_IMMEDIATE_PARAMS_CRC_SEED_SHIFT 6 | |
| 190 | #define DIF_ON_IMMEDIATE_PARAMS_KEEP_REF_TAG_CONST_MASK 0x1 | |
| 191 | #define DIF_ON_IMMEDIATE_PARAMS_KEEP_REF_TAG_CONST_SHIFT 7 | |
| 192 | u8 reserved_zero[5]; | |
| 193 | }; | |
| 194 | ||
| 195 | /* iSCSI dif on immediate mode attributes union */ | |
| 196 | union dif_configuration_params { | |
| 197 | struct lun_mapper_addr_reserved lun_mapper_address; | |
| 198 | struct dif_on_immediate_params def_dif_conf; | |
| 199 | }; | |
| 200 | ||
| a2e7699e TT |
201 | /* Union of data/r2t sequence number */ |
| 202 | union iscsi_seq_num { | |
| 203 | __le16 data_sn; | |
| 204 | __le16 r2t_sn; | |
| 7a9b6b8f YM |
205 | }; |
| 206 | ||
| a2e7699e TT |
207 | /* iSCSI DIF flags */ |
| 208 | struct iscsi_dif_flags { | |
| 209 | u8 flags; | |
| 210 | #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_MASK 0xF | |
| 211 | #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_SHIFT 0 | |
| 212 | #define ISCSI_DIF_FLAGS_DIF_TO_PEER_MASK 0x1 | |
| 213 | #define ISCSI_DIF_FLAGS_DIF_TO_PEER_SHIFT 4 | |
| 214 | #define ISCSI_DIF_FLAGS_HOST_INTERFACE_MASK 0x7 | |
| 215 | #define ISCSI_DIF_FLAGS_HOST_INTERFACE_SHIFT 5 | |
| 7a9b6b8f YM |
216 | }; |
| 217 | ||
| a2e7699e TT |
218 | /* The iscsi storm task context of Ystorm */ |
| 219 | struct ystorm_iscsi_task_state { | |
| 220 | struct scsi_cached_sges data_desc; | |
| 221 | struct scsi_sgl_params sgl_params; | |
| 222 | __le32 exp_r2t_sn; | |
| 223 | __le32 buffer_offset; | |
| 224 | union iscsi_seq_num seq_num; | |
| 225 | struct iscsi_dif_flags dif_flags; | |
| 226 | u8 flags; | |
| 227 | #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_MASK 0x1 | |
| 228 | #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_SHIFT 0 | |
| 229 | #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_MASK 0x1 | |
| 230 | #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_SHIFT 1 | |
| da090917 TT |
231 | #define YSTORM_ISCSI_TASK_STATE_SET_DIF_OFFSET_MASK 0x1 |
| 232 | #define YSTORM_ISCSI_TASK_STATE_SET_DIF_OFFSET_SHIFT 2 | |
| 233 | #define YSTORM_ISCSI_TASK_STATE_RESERVED0_MASK 0x1F | |
| 234 | #define YSTORM_ISCSI_TASK_STATE_RESERVED0_SHIFT 3 | |
| a2e7699e TT |
235 | }; |
| 236 | ||
| 237 | /* The iscsi storm task context of Ystorm */ | |
| 238 | struct ystorm_iscsi_task_rxmit_opt { | |
| 239 | __le32 fast_rxmit_sge_offset; | |
| 240 | __le32 scan_start_buffer_offset; | |
| 241 | __le32 fast_rxmit_buffer_offset; | |
| 242 | u8 scan_start_sgl_index; | |
| 243 | u8 fast_rxmit_sgl_index; | |
| 244 | __le16 reserved; | |
| 245 | }; | |
| 246 | ||
| 247 | /* iSCSI Common PDU header */ | |
| 7a9b6b8f YM |
248 | struct iscsi_common_hdr { |
| 249 | u8 hdr_status; | |
| 250 | u8 hdr_response; | |
| 251 | u8 hdr_flags; | |
| 252 | u8 hdr_first_byte; | |
| a2e7699e TT |
253 | #define ISCSI_COMMON_HDR_OPCODE_MASK 0x3F |
| 254 | #define ISCSI_COMMON_HDR_OPCODE_SHIFT 0 | |
| 255 | #define ISCSI_COMMON_HDR_IMM_MASK 0x1 | |
| 256 | #define ISCSI_COMMON_HDR_IMM_SHIFT 6 | |
| 257 | #define ISCSI_COMMON_HDR_RSRV_MASK 0x1 | |
| 258 | #define ISCSI_COMMON_HDR_RSRV_SHIFT 7 | |
| 7a9b6b8f | 259 | __le32 hdr_second_dword; |
| a2e7699e TT |
260 | #define ISCSI_COMMON_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| 261 | #define ISCSI_COMMON_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 262 | #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
| 263 | #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
| be086e7c MY |
264 | struct regpair lun_reserved; |
| 265 | __le32 itt; | |
| 266 | __le32 ttt; | |
| 267 | __le32 cmdstat_sn; | |
| 268 | __le32 exp_statcmd_sn; | |
| 269 | __le32 max_cmd_sn; | |
| 270 | __le32 data[3]; | |
| 7a9b6b8f YM |
271 | }; |
| 272 | ||
| a2e7699e TT |
273 | /* iSCSI Command PDU header */ |
| 274 | struct iscsi_cmd_hdr { | |
| 275 | __le16 reserved1; | |
| 276 | u8 flags_attr; | |
| 277 | #define ISCSI_CMD_HDR_ATTR_MASK 0x7 | |
| 278 | #define ISCSI_CMD_HDR_ATTR_SHIFT 0 | |
| 279 | #define ISCSI_CMD_HDR_RSRV_MASK 0x3 | |
| 280 | #define ISCSI_CMD_HDR_RSRV_SHIFT 3 | |
| 281 | #define ISCSI_CMD_HDR_WRITE_MASK 0x1 | |
| 282 | #define ISCSI_CMD_HDR_WRITE_SHIFT 5 | |
| 283 | #define ISCSI_CMD_HDR_READ_MASK 0x1 | |
| 284 | #define ISCSI_CMD_HDR_READ_SHIFT 6 | |
| 285 | #define ISCSI_CMD_HDR_FINAL_MASK 0x1 | |
| 286 | #define ISCSI_CMD_HDR_FINAL_SHIFT 7 | |
| 287 | u8 hdr_first_byte; | |
| 288 | #define ISCSI_CMD_HDR_OPCODE_MASK 0x3F | |
| 289 | #define ISCSI_CMD_HDR_OPCODE_SHIFT 0 | |
| 290 | #define ISCSI_CMD_HDR_IMM_MASK 0x1 | |
| 291 | #define ISCSI_CMD_HDR_IMM_SHIFT 6 | |
| 292 | #define ISCSI_CMD_HDR_RSRV1_MASK 0x1 | |
| 293 | #define ISCSI_CMD_HDR_RSRV1_SHIFT 7 | |
| 294 | __le32 hdr_second_dword; | |
| 295 | #define ISCSI_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
| 296 | #define ISCSI_CMD_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 297 | #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
| 298 | #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
| 299 | struct regpair lun; | |
| 300 | __le32 itt; | |
| 301 | __le32 expected_transfer_length; | |
| 302 | __le32 cmd_sn; | |
| 7a9b6b8f | 303 | __le32 exp_stat_sn; |
| a2e7699e | 304 | __le32 cdb[4]; |
| 7a9b6b8f YM |
305 | }; |
| 306 | ||
| a2e7699e | 307 | /* iSCSI Command PDU header with Extended CDB (Initiator Mode) */ |
| 7a9b6b8f YM |
308 | struct iscsi_ext_cdb_cmd_hdr { |
| 309 | __le16 reserved1; | |
| 310 | u8 flags_attr; | |
| a2e7699e TT |
311 | #define ISCSI_EXT_CDB_CMD_HDR_ATTR_MASK 0x7 |
| 312 | #define ISCSI_EXT_CDB_CMD_HDR_ATTR_SHIFT 0 | |
| 313 | #define ISCSI_EXT_CDB_CMD_HDR_RSRV_MASK 0x3 | |
| 314 | #define ISCSI_EXT_CDB_CMD_HDR_RSRV_SHIFT 3 | |
| 315 | #define ISCSI_EXT_CDB_CMD_HDR_WRITE_MASK 0x1 | |
| 316 | #define ISCSI_EXT_CDB_CMD_HDR_WRITE_SHIFT 5 | |
| 317 | #define ISCSI_EXT_CDB_CMD_HDR_READ_MASK 0x1 | |
| 318 | #define ISCSI_EXT_CDB_CMD_HDR_READ_SHIFT 6 | |
| 319 | #define ISCSI_EXT_CDB_CMD_HDR_FINAL_MASK 0x1 | |
| 320 | #define ISCSI_EXT_CDB_CMD_HDR_FINAL_SHIFT 7 | |
| 7a9b6b8f YM |
321 | u8 opcode; |
| 322 | __le32 hdr_second_dword; | |
| a2e7699e TT |
323 | #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| 324 | #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 325 | #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_MASK 0xFF | |
| 326 | #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_SHIFT 24 | |
| 7a9b6b8f YM |
327 | struct regpair lun; |
| 328 | __le32 itt; | |
| 329 | __le32 expected_transfer_length; | |
| 330 | __le32 cmd_sn; | |
| 331 | __le32 exp_stat_sn; | |
| be086e7c | 332 | struct scsi_sge cdb_sge; |
| 7a9b6b8f YM |
333 | }; |
| 334 | ||
| a2e7699e | 335 | /* iSCSI login request PDU header */ |
| 7a9b6b8f YM |
336 | struct iscsi_login_req_hdr { |
| 337 | u8 version_min; | |
| 338 | u8 version_max; | |
| 339 | u8 flags_attr; | |
| a2e7699e TT |
340 | #define ISCSI_LOGIN_REQ_HDR_NSG_MASK 0x3 |
| 341 | #define ISCSI_LOGIN_REQ_HDR_NSG_SHIFT 0 | |
| 342 | #define ISCSI_LOGIN_REQ_HDR_CSG_MASK 0x3 | |
| 343 | #define ISCSI_LOGIN_REQ_HDR_CSG_SHIFT 2 | |
| 344 | #define ISCSI_LOGIN_REQ_HDR_RSRV_MASK 0x3 | |
| 345 | #define ISCSI_LOGIN_REQ_HDR_RSRV_SHIFT 4 | |
| 346 | #define ISCSI_LOGIN_REQ_HDR_C_MASK 0x1 | |
| 347 | #define ISCSI_LOGIN_REQ_HDR_C_SHIFT 6 | |
| 348 | #define ISCSI_LOGIN_REQ_HDR_T_MASK 0x1 | |
| 349 | #define ISCSI_LOGIN_REQ_HDR_T_SHIFT 7 | |
| 7a9b6b8f YM |
350 | u8 opcode; |
| 351 | __le32 hdr_second_dword; | |
| a2e7699e TT |
352 | #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| 353 | #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 354 | #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
| 355 | #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
| 05fafbfb | 356 | __le32 isid_tabc; |
| 7a9b6b8f YM |
357 | __le16 tsih; |
| 358 | __le16 isid_d; | |
| 359 | __le32 itt; | |
| 360 | __le16 reserved1; | |
| 361 | __le16 cid; | |
| 362 | __le32 cmd_sn; | |
| 363 | __le32 exp_stat_sn; | |
| 364 | __le32 reserved2[4]; | |
| 365 | }; | |
| 366 | ||
| a2e7699e | 367 | /* iSCSI logout request PDU header */ |
| 7a9b6b8f YM |
368 | struct iscsi_logout_req_hdr { |
| 369 | __le16 reserved0; | |
| 370 | u8 reason_code; | |
| 371 | u8 opcode; | |
| 372 | __le32 reserved1; | |
| 373 | __le32 reserved2[2]; | |
| 374 | __le32 itt; | |
| 375 | __le16 reserved3; | |
| 376 | __le16 cid; | |
| 377 | __le32 cmd_sn; | |
| 378 | __le32 exp_stat_sn; | |
| 379 | __le32 reserved4[4]; | |
| 380 | }; | |
| 381 | ||
| a2e7699e | 382 | /* iSCSI Data-out PDU header */ |
| 7a9b6b8f YM |
383 | struct iscsi_data_out_hdr { |
| 384 | __le16 reserved1; | |
| 385 | u8 flags_attr; | |
| a2e7699e TT |
386 | #define ISCSI_DATA_OUT_HDR_RSRV_MASK 0x7F |
| 387 | #define ISCSI_DATA_OUT_HDR_RSRV_SHIFT 0 | |
| 388 | #define ISCSI_DATA_OUT_HDR_FINAL_MASK 0x1 | |
| 389 | #define ISCSI_DATA_OUT_HDR_FINAL_SHIFT 7 | |
| 7a9b6b8f YM |
390 | u8 opcode; |
| 391 | __le32 reserved2; | |
| 392 | struct regpair lun; | |
| 393 | __le32 itt; | |
| 394 | __le32 ttt; | |
| 395 | __le32 reserved3; | |
| 396 | __le32 exp_stat_sn; | |
| 397 | __le32 reserved4; | |
| 398 | __le32 data_sn; | |
| 399 | __le32 buffer_offset; | |
| 400 | __le32 reserved5; | |
| 401 | }; | |
| 402 | ||
| a2e7699e | 403 | /* iSCSI Data-in PDU header */ |
| 7a9b6b8f YM |
404 | struct iscsi_data_in_hdr { |
| 405 | u8 status_rsvd; | |
| 406 | u8 reserved1; | |
| 407 | u8 flags; | |
| a2e7699e TT |
408 | #define ISCSI_DATA_IN_HDR_STATUS_MASK 0x1 |
| 409 | #define ISCSI_DATA_IN_HDR_STATUS_SHIFT 0 | |
| 410 | #define ISCSI_DATA_IN_HDR_UNDERFLOW_MASK 0x1 | |
| 411 | #define ISCSI_DATA_IN_HDR_UNDERFLOW_SHIFT 1 | |
| 412 | #define ISCSI_DATA_IN_HDR_OVERFLOW_MASK 0x1 | |
| 413 | #define ISCSI_DATA_IN_HDR_OVERFLOW_SHIFT 2 | |
| 414 | #define ISCSI_DATA_IN_HDR_RSRV_MASK 0x7 | |
| 415 | #define ISCSI_DATA_IN_HDR_RSRV_SHIFT 3 | |
| 416 | #define ISCSI_DATA_IN_HDR_ACK_MASK 0x1 | |
| 417 | #define ISCSI_DATA_IN_HDR_ACK_SHIFT 6 | |
| 418 | #define ISCSI_DATA_IN_HDR_FINAL_MASK 0x1 | |
| 419 | #define ISCSI_DATA_IN_HDR_FINAL_SHIFT 7 | |
| 7a9b6b8f YM |
420 | u8 opcode; |
| 421 | __le32 reserved2; | |
| 422 | struct regpair lun; | |
| 423 | __le32 itt; | |
| 424 | __le32 ttt; | |
| 425 | __le32 stat_sn; | |
| 426 | __le32 exp_cmd_sn; | |
| 427 | __le32 max_cmd_sn; | |
| 428 | __le32 data_sn; | |
| 429 | __le32 buffer_offset; | |
| 430 | __le32 residual_count; | |
| 431 | }; | |
| 432 | ||
| a2e7699e | 433 | /* iSCSI R2T PDU header */ |
| 7a9b6b8f YM |
434 | struct iscsi_r2t_hdr { |
| 435 | u8 reserved0[3]; | |
| 436 | u8 opcode; | |
| 437 | __le32 reserved2; | |
| 438 | struct regpair lun; | |
| 439 | __le32 itt; | |
| 440 | __le32 ttt; | |
| 441 | __le32 stat_sn; | |
| 442 | __le32 exp_cmd_sn; | |
| 443 | __le32 max_cmd_sn; | |
| 444 | __le32 r2t_sn; | |
| 445 | __le32 buffer_offset; | |
| 446 | __le32 desired_data_trns_len; | |
| 447 | }; | |
| 448 | ||
| a2e7699e | 449 | /* iSCSI NOP-out PDU header */ |
| 7a9b6b8f YM |
450 | struct iscsi_nop_out_hdr { |
| 451 | __le16 reserved1; | |
| 452 | u8 flags_attr; | |
| a2e7699e TT |
453 | #define ISCSI_NOP_OUT_HDR_RSRV_MASK 0x7F |
| 454 | #define ISCSI_NOP_OUT_HDR_RSRV_SHIFT 0 | |
| 455 | #define ISCSI_NOP_OUT_HDR_CONST1_MASK 0x1 | |
| 456 | #define ISCSI_NOP_OUT_HDR_CONST1_SHIFT 7 | |
| 7a9b6b8f YM |
457 | u8 opcode; |
| 458 | __le32 reserved2; | |
| 459 | struct regpair lun; | |
| 460 | __le32 itt; | |
| 461 | __le32 ttt; | |
| 462 | __le32 cmd_sn; | |
| 463 | __le32 exp_stat_sn; | |
| 464 | __le32 reserved3; | |
| 465 | __le32 reserved4; | |
| 466 | __le32 reserved5; | |
| 467 | __le32 reserved6; | |
| 468 | }; | |
| 469 | ||
| a2e7699e | 470 | /* iSCSI NOP-in PDU header */ |
| 7a9b6b8f YM |
471 | struct iscsi_nop_in_hdr { |
| 472 | __le16 reserved0; | |
| 473 | u8 flags_attr; | |
| a2e7699e TT |
474 | #define ISCSI_NOP_IN_HDR_RSRV_MASK 0x7F |
| 475 | #define ISCSI_NOP_IN_HDR_RSRV_SHIFT 0 | |
| 476 | #define ISCSI_NOP_IN_HDR_CONST1_MASK 0x1 | |
| 477 | #define ISCSI_NOP_IN_HDR_CONST1_SHIFT 7 | |
| 7a9b6b8f YM |
478 | u8 opcode; |
| 479 | __le32 hdr_second_dword; | |
| a2e7699e TT |
480 | #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| 481 | #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 482 | #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
| 483 | #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
| 7a9b6b8f YM |
484 | struct regpair lun; |
| 485 | __le32 itt; | |
| 486 | __le32 ttt; | |
| 487 | __le32 stat_sn; | |
| 488 | __le32 exp_cmd_sn; | |
| 489 | __le32 max_cmd_sn; | |
| 490 | __le32 reserved5; | |
| 491 | __le32 reserved6; | |
| 492 | __le32 reserved7; | |
| 493 | }; | |
| 494 | ||
| a2e7699e | 495 | /* iSCSI Login Response PDU header */ |
| 7a9b6b8f YM |
496 | struct iscsi_login_response_hdr { |
| 497 | u8 version_active; | |
| 498 | u8 version_max; | |
| 499 | u8 flags_attr; | |
| a2e7699e TT |
500 | #define ISCSI_LOGIN_RESPONSE_HDR_NSG_MASK 0x3 |
| 501 | #define ISCSI_LOGIN_RESPONSE_HDR_NSG_SHIFT 0 | |
| 502 | #define ISCSI_LOGIN_RESPONSE_HDR_CSG_MASK 0x3 | |
| 503 | #define ISCSI_LOGIN_RESPONSE_HDR_CSG_SHIFT 2 | |
| 504 | #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_MASK 0x3 | |
| 505 | #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_SHIFT 4 | |
| 506 | #define ISCSI_LOGIN_RESPONSE_HDR_C_MASK 0x1 | |
| 507 | #define ISCSI_LOGIN_RESPONSE_HDR_C_SHIFT 6 | |
| 508 | #define ISCSI_LOGIN_RESPONSE_HDR_T_MASK 0x1 | |
| 509 | #define ISCSI_LOGIN_RESPONSE_HDR_T_SHIFT 7 | |
| 7a9b6b8f YM |
510 | u8 opcode; |
| 511 | __le32 hdr_second_dword; | |
| a2e7699e TT |
512 | #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| 513 | #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 514 | #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
| 515 | #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
| 05fafbfb | 516 | __le32 isid_tabc; |
| 7a9b6b8f YM |
517 | __le16 tsih; |
| 518 | __le16 isid_d; | |
| 519 | __le32 itt; | |
| 520 | __le32 reserved1; | |
| 521 | __le32 stat_sn; | |
| 522 | __le32 exp_cmd_sn; | |
| 523 | __le32 max_cmd_sn; | |
| 524 | __le16 reserved2; | |
| 525 | u8 status_detail; | |
| 526 | u8 status_class; | |
| 527 | __le32 reserved4[2]; | |
| 528 | }; | |
| 529 | ||
| a2e7699e | 530 | /* iSCSI Logout Response PDU header */ |
| 7a9b6b8f YM |
531 | struct iscsi_logout_response_hdr { |
| 532 | u8 reserved1; | |
| 533 | u8 response; | |
| 534 | u8 flags; | |
| 535 | u8 opcode; | |
| 536 | __le32 hdr_second_dword; | |
| a2e7699e TT |
537 | #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| 538 | #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 539 | #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
| 540 | #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
| 7a9b6b8f YM |
541 | __le32 reserved2[2]; |
| 542 | __le32 itt; | |
| 543 | __le32 reserved3; | |
| 544 | __le32 stat_sn; | |
| 545 | __le32 exp_cmd_sn; | |
| 546 | __le32 max_cmd_sn; | |
| 547 | __le32 reserved4; | |
| be086e7c MY |
548 | __le16 time_2_retain; |
| 549 | __le16 time_2_wait; | |
| 7a9b6b8f YM |
550 | __le32 reserved5[1]; |
| 551 | }; | |
| 552 | ||
| a2e7699e | 553 | /* iSCSI Text Request PDU header */ |
| 7a9b6b8f YM |
554 | struct iscsi_text_request_hdr { |
| 555 | __le16 reserved0; | |
| 556 | u8 flags_attr; | |
| a2e7699e TT |
557 | #define ISCSI_TEXT_REQUEST_HDR_RSRV_MASK 0x3F |
| 558 | #define ISCSI_TEXT_REQUEST_HDR_RSRV_SHIFT 0 | |
| 559 | #define ISCSI_TEXT_REQUEST_HDR_C_MASK 0x1 | |
| 560 | #define ISCSI_TEXT_REQUEST_HDR_C_SHIFT 6 | |
| 561 | #define ISCSI_TEXT_REQUEST_HDR_F_MASK 0x1 | |
| 562 | #define ISCSI_TEXT_REQUEST_HDR_F_SHIFT 7 | |
| 7a9b6b8f YM |
563 | u8 opcode; |
| 564 | __le32 hdr_second_dword; | |
| a2e7699e TT |
565 | #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| 566 | #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 567 | #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
| 568 | #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
| 7a9b6b8f YM |
569 | struct regpair lun; |
| 570 | __le32 itt; | |
| 571 | __le32 ttt; | |
| 572 | __le32 cmd_sn; | |
| 573 | __le32 exp_stat_sn; | |
| 574 | __le32 reserved4[4]; | |
| 575 | }; | |
| 576 | ||
| a2e7699e | 577 | /* iSCSI Text Response PDU header */ |
| 7a9b6b8f YM |
578 | struct iscsi_text_response_hdr { |
| 579 | __le16 reserved1; | |
| 580 | u8 flags; | |
| a2e7699e TT |
581 | #define ISCSI_TEXT_RESPONSE_HDR_RSRV_MASK 0x3F |
| 582 | #define ISCSI_TEXT_RESPONSE_HDR_RSRV_SHIFT 0 | |
| 583 | #define ISCSI_TEXT_RESPONSE_HDR_C_MASK 0x1 | |
| 584 | #define ISCSI_TEXT_RESPONSE_HDR_C_SHIFT 6 | |
| 585 | #define ISCSI_TEXT_RESPONSE_HDR_F_MASK 0x1 | |
| 586 | #define ISCSI_TEXT_RESPONSE_HDR_F_SHIFT 7 | |
| 7a9b6b8f YM |
587 | u8 opcode; |
| 588 | __le32 hdr_second_dword; | |
| a2e7699e TT |
589 | #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| 590 | #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 591 | #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
| 592 | #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
| 7a9b6b8f YM |
593 | struct regpair lun; |
| 594 | __le32 itt; | |
| 595 | __le32 ttt; | |
| 596 | __le32 stat_sn; | |
| 597 | __le32 exp_cmd_sn; | |
| 598 | __le32 max_cmd_sn; | |
| 599 | __le32 reserved4[3]; | |
| 600 | }; | |
| 601 | ||
| a2e7699e | 602 | /* iSCSI TMF Request PDU header */ |
| 7a9b6b8f YM |
603 | struct iscsi_tmf_request_hdr { |
| 604 | __le16 reserved0; | |
| 605 | u8 function; | |
| 606 | u8 opcode; | |
| 607 | __le32 hdr_second_dword; | |
| a2e7699e TT |
608 | #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| 609 | #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 610 | #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
| 611 | #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
| 7a9b6b8f YM |
612 | struct regpair lun; |
| 613 | __le32 itt; | |
| 614 | __le32 rtt; | |
| 615 | __le32 cmd_sn; | |
| 616 | __le32 exp_stat_sn; | |
| 617 | __le32 ref_cmd_sn; | |
| 618 | __le32 exp_data_sn; | |
| 619 | __le32 reserved4[2]; | |
| 620 | }; | |
| 621 | ||
| 622 | struct iscsi_tmf_response_hdr { | |
| 623 | u8 reserved2; | |
| 624 | u8 hdr_response; | |
| 625 | u8 hdr_flags; | |
| 626 | u8 opcode; | |
| 627 | __le32 hdr_second_dword; | |
| a2e7699e TT |
628 | #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| 629 | #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 630 | #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
| 631 | #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
| 7a9b6b8f YM |
632 | struct regpair reserved0; |
| 633 | __le32 itt; | |
| be086e7c | 634 | __le32 reserved1; |
| 7a9b6b8f YM |
635 | __le32 stat_sn; |
| 636 | __le32 exp_cmd_sn; | |
| 637 | __le32 max_cmd_sn; | |
| 638 | __le32 reserved4[3]; | |
| 639 | }; | |
| 640 | ||
| a2e7699e | 641 | /* iSCSI Response PDU header */ |
| 7a9b6b8f YM |
642 | struct iscsi_response_hdr { |
| 643 | u8 hdr_status; | |
| 644 | u8 hdr_response; | |
| 645 | u8 hdr_flags; | |
| 646 | u8 opcode; | |
| 647 | __le32 hdr_second_dword; | |
| a2e7699e TT |
648 | #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| 649 | #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 650 | #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
| 651 | #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
| 7a9b6b8f YM |
652 | struct regpair lun; |
| 653 | __le32 itt; | |
| 654 | __le32 snack_tag; | |
| 655 | __le32 stat_sn; | |
| 656 | __le32 exp_cmd_sn; | |
| 657 | __le32 max_cmd_sn; | |
| 658 | __le32 exp_data_sn; | |
| 659 | __le32 bi_residual_count; | |
| 660 | __le32 residual_count; | |
| 661 | }; | |
| 662 | ||
| a2e7699e | 663 | /* iSCSI Reject PDU header */ |
| 7a9b6b8f YM |
664 | struct iscsi_reject_hdr { |
| 665 | u8 reserved4; | |
| 666 | u8 hdr_reason; | |
| 667 | u8 hdr_flags; | |
| 668 | u8 opcode; | |
| 669 | __le32 hdr_second_dword; | |
| a2e7699e TT |
670 | #define ISCSI_REJECT_HDR_DATA_SEG_LEN_MASK 0xFFFFFF |
| 671 | #define ISCSI_REJECT_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 672 | #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
| 673 | #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
| 7a9b6b8f | 674 | struct regpair reserved0; |
| be086e7c | 675 | __le32 all_ones; |
| 7a9b6b8f YM |
676 | __le32 reserved2; |
| 677 | __le32 stat_sn; | |
| 678 | __le32 exp_cmd_sn; | |
| 679 | __le32 max_cmd_sn; | |
| 680 | __le32 data_sn; | |
| 681 | __le32 reserved3[2]; | |
| 682 | }; | |
| 683 | ||
| a2e7699e TT |
684 | /* iSCSI Asynchronous Message PDU header */ |
| 685 | struct iscsi_async_msg_hdr { | |
| 686 | __le16 reserved0; | |
| 687 | u8 flags_attr; | |
| 688 | #define ISCSI_ASYNC_MSG_HDR_RSRV_MASK 0x7F | |
| 689 | #define ISCSI_ASYNC_MSG_HDR_RSRV_SHIFT 0 | |
| 690 | #define ISCSI_ASYNC_MSG_HDR_CONST1_MASK 0x1 | |
| 691 | #define ISCSI_ASYNC_MSG_HDR_CONST1_SHIFT 7 | |
| 692 | u8 opcode; | |
| 693 | __le32 hdr_second_dword; | |
| 694 | #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_MASK 0xFFFFFF | |
| 695 | #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_SHIFT 0 | |
| 696 | #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_MASK 0xFF | |
| 697 | #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_SHIFT 24 | |
| 698 | struct regpair lun; | |
| 699 | __le32 all_ones; | |
| 700 | __le32 reserved1; | |
| 701 | __le32 stat_sn; | |
| 702 | __le32 exp_cmd_sn; | |
| 703 | __le32 max_cmd_sn; | |
| 704 | __le16 param1_rsrv; | |
| 705 | u8 async_vcode; | |
| 706 | u8 async_event; | |
| 707 | __le16 param3_rsrv; | |
| 708 | __le16 param2_rsrv; | |
| 709 | __le32 reserved7; | |
| 710 | }; | |
| 711 | ||
| 712 | /* PDU header part of Ystorm task context */ | |
| 7a9b6b8f YM |
713 | union iscsi_task_hdr { |
| 714 | struct iscsi_common_hdr common; | |
| 715 | struct data_hdr data; | |
| 716 | struct iscsi_cmd_hdr cmd; | |
| 717 | struct iscsi_ext_cdb_cmd_hdr ext_cdb_cmd; | |
| 718 | struct iscsi_login_req_hdr login_req; | |
| 719 | struct iscsi_logout_req_hdr logout_req; | |
| 720 | struct iscsi_data_out_hdr data_out; | |
| 721 | struct iscsi_data_in_hdr data_in; | |
| 722 | struct iscsi_r2t_hdr r2t; | |
| 723 | struct iscsi_nop_out_hdr nop_out; | |
| 724 | struct iscsi_nop_in_hdr nop_in; | |
| 725 | struct iscsi_login_response_hdr login_response; | |
| 726 | struct iscsi_logout_response_hdr logout_response; | |
| 727 | struct iscsi_text_request_hdr text_request; | |
| 728 | struct iscsi_text_response_hdr text_response; | |
| 729 | struct iscsi_tmf_request_hdr tmf_request; | |
| 730 | struct iscsi_tmf_response_hdr tmf_response; | |
| 731 | struct iscsi_response_hdr response; | |
| 732 | struct iscsi_reject_hdr reject; | |
| 733 | struct iscsi_async_msg_hdr async_msg; | |
| 734 | }; | |
| 735 | ||
| a2e7699e TT |
736 | /* The iscsi storm task context of Ystorm */ |
| 737 | struct ystorm_iscsi_task_st_ctx { | |
| 738 | struct ystorm_iscsi_task_state state; | |
| 739 | struct ystorm_iscsi_task_rxmit_opt rxmit_opt; | |
| 740 | union iscsi_task_hdr pdu_hdr; | |
| 741 | }; | |
| 742 | ||
| 21dd79e8 | 743 | struct e4_ystorm_iscsi_task_ag_ctx { |
| a2e7699e TT |
744 | u8 reserved; |
| 745 | u8 byte1; | |
| 746 | __le16 word0; | |
| 747 | u8 flags0; | |
| 21dd79e8 TT |
748 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF |
| 749 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 | |
| 750 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 | |
| 751 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 | |
| 752 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 | |
| 753 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 | |
| 754 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 | |
| 755 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 | |
| 50bc60cb MK |
756 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_TTT_VALID_MASK 0x1 /* bit3 */ |
| 757 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_TTT_VALID_SHIFT 7 | |
| a2e7699e | 758 | u8 flags1; |
| 21dd79e8 TT |
759 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 |
| 760 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 0 | |
| 761 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 | |
| 762 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 | |
| 763 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_MASK 0x3 | |
| 764 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_SHIFT 4 | |
| 765 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 | |
| 766 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 6 | |
| 767 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 | |
| 768 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 | |
| a2e7699e | 769 | u8 flags2; |
| 21dd79e8 TT |
770 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 |
| 771 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 | |
| 772 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 | |
| 773 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 | |
| 774 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 | |
| 775 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 | |
| 776 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 | |
| 777 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 | |
| 778 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 | |
| 779 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 | |
| 780 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 | |
| 781 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 | |
| 782 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 | |
| 783 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 | |
| 784 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 | |
| 785 | #define E4_YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 | |
| a2e7699e TT |
786 | u8 byte2; |
| 787 | __le32 TTT; | |
| 788 | u8 byte3; | |
| 789 | u8 byte4; | |
| 790 | __le16 word1; | |
| 791 | }; | |
| 792 | ||
| 21dd79e8 | 793 | struct e4_mstorm_iscsi_task_ag_ctx { |
| a2e7699e TT |
794 | u8 cdu_validation; |
| 795 | u8 byte1; | |
| 796 | __le16 task_cid; | |
| 797 | u8 flags0; | |
| 21dd79e8 TT |
798 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF |
| 799 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 | |
| 800 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 | |
| 801 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 | |
| d52c89f1 MK |
802 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_MASK 0x1 |
| 803 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_SHIFT 5 | |
| 21dd79e8 TT |
804 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 |
| 805 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 | |
| 806 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_MASK 0x1 | |
| 807 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_SHIFT 7 | |
| a2e7699e | 808 | u8 flags1; |
| 21dd79e8 TT |
809 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_MASK 0x3 |
| 810 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_SHIFT 0 | |
| 811 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 | |
| 812 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 | |
| 813 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 | |
| 814 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 4 | |
| 815 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_MASK 0x1 | |
| 816 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_SHIFT 6 | |
| 817 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 | |
| 818 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 | |
| a2e7699e | 819 | u8 flags2; |
| 21dd79e8 TT |
820 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 |
| 821 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 0 | |
| 822 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 | |
| 823 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 | |
| 824 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 | |
| 825 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 | |
| 826 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 | |
| 827 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 | |
| 828 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 | |
| 829 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 | |
| 830 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 | |
| 831 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 | |
| 832 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 | |
| 833 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 | |
| 834 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 | |
| 835 | #define E4_MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 | |
| a2e7699e TT |
836 | u8 byte2; |
| 837 | __le32 reg0; | |
| 838 | u8 byte3; | |
| 839 | u8 byte4; | |
| 840 | __le16 word1; | |
| 841 | }; | |
| 842 | ||
| 21dd79e8 | 843 | struct e4_ustorm_iscsi_task_ag_ctx { |
| a2e7699e TT |
844 | u8 reserved; |
| 845 | u8 state; | |
| 846 | __le16 icid; | |
| 847 | u8 flags0; | |
| 21dd79e8 TT |
848 | #define E4_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF |
| 849 | #define E4_USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 | |
| 850 | #define E4_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 | |
| 851 | #define E4_USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 | |
| d52c89f1 MK |
852 | #define E4_USTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_MASK 0x1 |
| 853 | #define E4_USTORM_ISCSI_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_SHIFT 5 | |
| 21dd79e8 TT |
854 | #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_MASK 0x3 |
| 855 | #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_SHIFT 6 | |
| a2e7699e | 856 | u8 flags1; |
| 21dd79e8 TT |
857 | #define E4_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_MASK 0x3 |
| 858 | #define E4_USTORM_ISCSI_TASK_AG_CTX_RESERVED1_SHIFT 0 | |
| 859 | #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_MASK 0x3 | |
| 860 | #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_SHIFT 2 | |
| 861 | #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 | |
| 862 | #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 4 | |
| 863 | #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_MASK 0x3 | |
| 864 | #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_SHIFT 6 | |
| a2e7699e | 865 | u8 flags2; |
| 21dd79e8 TT |
866 | #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_MASK 0x1 |
| 867 | #define E4_USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_SHIFT 0 | |
| 868 | #define E4_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_MASK 0x1 | |
| 869 | #define E4_USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_SHIFT 1 | |
| 870 | #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_MASK 0x1 | |
| 871 | #define E4_USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_SHIFT 2 | |
| 872 | #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 | |
| 873 | #define E4_USTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 3 | |
| 874 | #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK 0x1 | |
| 875 | #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT 4 | |
| 876 | #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_MASK 0x1 | |
| 877 | #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_SHIFT 5 | |
| 878 | #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 | |
| 879 | #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 6 | |
| 880 | #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_MASK 0x1 | |
| 881 | #define E4_USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_SHIFT 7 | |
| a2e7699e | 882 | u8 flags3; |
| 21dd79e8 TT |
883 | #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 |
| 884 | #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 0 | |
| 885 | #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 | |
| 886 | #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 1 | |
| 887 | #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 | |
| 888 | #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 2 | |
| 889 | #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 | |
| 890 | #define E4_USTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 3 | |
| 891 | #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_MASK 0xF | |
| 892 | #define E4_USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT 4 | |
| a2e7699e TT |
893 | __le32 dif_err_intervals; |
| 894 | __le32 dif_error_1st_interval; | |
| 895 | __le32 rcv_cont_len; | |
| 896 | __le32 exp_cont_len; | |
| 897 | __le32 total_data_acked; | |
| 898 | __le32 exp_data_acked; | |
| 899 | u8 next_tid_valid; | |
| 900 | u8 byte3; | |
| 901 | __le16 word1; | |
| 902 | __le16 next_tid; | |
| 903 | __le16 word3; | |
| 904 | __le32 hdr_residual_count; | |
| 905 | __le32 exp_r2t_sn; | |
| 906 | }; | |
| 907 | ||
| 908 | /* The iscsi storm task context of Mstorm */ | |
| 909 | struct mstorm_iscsi_task_st_ctx { | |
| 910 | struct scsi_cached_sges data_desc; | |
| 911 | struct scsi_sgl_params sgl_params; | |
| 912 | __le32 rem_task_size; | |
| 913 | __le32 data_buffer_offset; | |
| 914 | u8 task_type; | |
| 915 | struct iscsi_dif_flags dif_flags; | |
| da090917 | 916 | __le16 dif_task_icid; |
| a2e7699e TT |
917 | struct regpair sense_db; |
| 918 | __le32 expected_itt; | |
| 919 | __le32 reserved1; | |
| 920 | }; | |
| 921 | ||
| 922 | struct iscsi_reg1 { | |
| 923 | __le32 reg1_map; | |
| 924 | #define ISCSI_REG1_NUM_SGES_MASK 0xF | |
| 925 | #define ISCSI_REG1_NUM_SGES_SHIFT 0 | |
| 926 | #define ISCSI_REG1_RESERVED1_MASK 0xFFFFFFF | |
| 927 | #define ISCSI_REG1_RESERVED1_SHIFT 4 | |
| 928 | }; | |
| 929 | ||
| da090917 TT |
930 | struct tqe_opaque { |
| 931 | __le16 opaque[2]; | |
| 932 | }; | |
| 933 | ||
| a2e7699e TT |
934 | /* The iscsi storm task context of Ustorm */ |
| 935 | struct ustorm_iscsi_task_st_ctx { | |
| 936 | __le32 rem_rcv_len; | |
| 937 | __le32 exp_data_transfer_len; | |
| 938 | __le32 exp_data_sn; | |
| 939 | struct regpair lun; | |
| 940 | struct iscsi_reg1 reg1; | |
| 941 | u8 flags2; | |
| 942 | #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_MASK 0x1 | |
| 943 | #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_SHIFT 0 | |
| 944 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_MASK 0x7F | |
| 945 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_SHIFT 1 | |
| 946 | struct iscsi_dif_flags dif_flags; | |
| 947 | __le16 reserved3; | |
| da090917 | 948 | struct tqe_opaque tqe_opaque_list; |
| a2e7699e TT |
949 | __le32 reserved5; |
| 950 | __le32 reserved6; | |
| 951 | __le32 reserved7; | |
| 952 | u8 task_type; | |
| 953 | u8 error_flags; | |
| 954 | #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_MASK 0x1 | |
| 955 | #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_SHIFT 0 | |
| 956 | #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_MASK 0x1 | |
| 957 | #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_SHIFT 1 | |
| 958 | #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_MASK 0x1 | |
| 959 | #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_SHIFT 2 | |
| 960 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_MASK 0x1F | |
| 961 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_SHIFT 3 | |
| 962 | u8 flags; | |
| 963 | #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_MASK 0x3 | |
| 964 | #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_SHIFT 0 | |
| 965 | #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_MASK 0x1 | |
| 966 | #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_SHIFT 2 | |
| 967 | #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_MASK 0x1 | |
| 968 | #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_SHIFT 3 | |
| 969 | #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_MASK 0x1 | |
| 970 | #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_SHIFT 4 | |
| 971 | #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_MASK 0x1 | |
| 972 | #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_SHIFT 5 | |
| 973 | #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_MASK 0x1 | |
| 974 | #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_SHIFT 6 | |
| 975 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_MASK 0x1 | |
| 976 | #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_SHIFT 7 | |
| 977 | u8 cq_rss_number; | |
| 978 | }; | |
| 979 | ||
| 980 | /* iscsi task context */ | |
| 21dd79e8 | 981 | struct e4_iscsi_task_context { |
| a2e7699e | 982 | struct ystorm_iscsi_task_st_ctx ystorm_st_context; |
| 21dd79e8 | 983 | struct e4_ystorm_iscsi_task_ag_ctx ystorm_ag_context; |
| a2e7699e TT |
984 | struct regpair ystorm_ag_padding[2]; |
| 985 | struct tdif_task_context tdif_context; | |
| 21dd79e8 | 986 | struct e4_mstorm_iscsi_task_ag_ctx mstorm_ag_context; |
| a2e7699e | 987 | struct regpair mstorm_ag_padding[2]; |
| 21dd79e8 | 988 | struct e4_ustorm_iscsi_task_ag_ctx ustorm_ag_context; |
| a2e7699e TT |
989 | struct mstorm_iscsi_task_st_ctx mstorm_st_context; |
| 990 | struct ustorm_iscsi_task_st_ctx ustorm_st_context; | |
| 991 | struct rdif_task_context rdif_context; | |
| 992 | }; | |
| 993 | ||
| 994 | /* iSCSI connection offload params passed by driver to FW in ISCSI offload | |
| 995 | * ramrod. | |
| 996 | */ | |
| 997 | struct iscsi_conn_offload_params { | |
| 998 | struct regpair sq_pbl_addr; | |
| 999 | struct regpair r2tq_pbl_addr; | |
| 1000 | struct regpair xhq_pbl_addr; | |
| 1001 | struct regpair uhq_pbl_addr; | |
| 1002 | __le32 initial_ack; | |
| 1003 | __le16 physical_q0; | |
| 1004 | __le16 physical_q1; | |
| 1005 | u8 flags; | |
| 1006 | #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_MASK 0x1 | |
| 1007 | #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_SHIFT 0 | |
| 1008 | #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_MASK 0x1 | |
| 1009 | #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_SHIFT 1 | |
| 1010 | #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_MASK 0x1 | |
| 1011 | #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_SHIFT 2 | |
| 1012 | #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_MASK 0x1F | |
| 1013 | #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_SHIFT 3 | |
| 1014 | u8 pbl_page_size_log; | |
| 1015 | u8 pbe_page_size_log; | |
| 1016 | u8 default_cq; | |
| 1017 | __le32 stat_sn; | |
| 1018 | }; | |
| 1019 | ||
| da090917 TT |
1020 | /* iSCSI connection statistics */ |
| 1021 | struct iscsi_conn_stats_params { | |
| 1022 | struct regpair iscsi_tcp_tx_packets_cnt; | |
| 1023 | struct regpair iscsi_tcp_tx_bytes_cnt; | |
| 1024 | struct regpair iscsi_tcp_tx_rxmit_cnt; | |
| 1025 | struct regpair iscsi_tcp_rx_packets_cnt; | |
| 1026 | struct regpair iscsi_tcp_rx_bytes_cnt; | |
| 1027 | struct regpair iscsi_tcp_rx_dup_ack_cnt; | |
| 1028 | __le32 iscsi_tcp_rx_chksum_err_cnt; | |
| 1029 | __le32 reserved; | |
| 1030 | }; | |
| 1031 | ||
| a2e7699e TT |
1032 | /* spe message header */ |
| 1033 | struct iscsi_slow_path_hdr { | |
| 1034 | u8 op_code; | |
| 1035 | u8 flags; | |
| 1036 | #define ISCSI_SLOW_PATH_HDR_RESERVED0_MASK 0xF | |
| 1037 | #define ISCSI_SLOW_PATH_HDR_RESERVED0_SHIFT 0 | |
| 1038 | #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_MASK 0x7 | |
| 1039 | #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_SHIFT 4 | |
| 1040 | #define ISCSI_SLOW_PATH_HDR_RESERVED1_MASK 0x1 | |
| 1041 | #define ISCSI_SLOW_PATH_HDR_RESERVED1_SHIFT 7 | |
| 1042 | }; | |
| 1043 | ||
| 1044 | /* iSCSI connection update params passed by driver to FW in ISCSI update | |
| 1045 | *ramrod. | |
| 1046 | */ | |
| 1047 | struct iscsi_conn_update_ramrod_params { | |
| 1048 | struct iscsi_slow_path_hdr hdr; | |
| 1049 | __le16 conn_id; | |
| 1050 | __le32 fw_cid; | |
| 1051 | u8 flags; | |
| 1052 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_MASK 0x1 | |
| 1053 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_SHIFT 0 | |
| 1054 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_MASK 0x1 | |
| 1055 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_SHIFT 1 | |
| 1056 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_MASK 0x1 | |
| 1057 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_SHIFT 2 | |
| 1058 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_MASK 0x1 | |
| 1059 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_SHIFT 3 | |
| 1060 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_MASK 0x1 | |
| 1061 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_SHIFT 4 | |
| 1062 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_MASK 0x1 | |
| 1063 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_SHIFT 5 | |
| da090917 TT |
1064 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_IMM_EN_MASK 0x1 |
| 1065 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_IMM_EN_SHIFT 6 | |
| 1066 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_LUN_MAPPER_EN_MASK 0x1 | |
| 1067 | #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_LUN_MAPPER_EN_SHIFT 7 | |
| a2e7699e TT |
1068 | u8 reserved0[3]; |
| 1069 | __le32 max_seq_size; | |
| 1070 | __le32 max_send_pdu_length; | |
| 1071 | __le32 max_recv_pdu_length; | |
| 1072 | __le32 first_seq_length; | |
| 1073 | __le32 exp_stat_sn; | |
| da090917 | 1074 | union dif_configuration_params dif_on_imme_params; |
| a2e7699e TT |
1075 | }; |
| 1076 | ||
| 1077 | /* iSCSI CQ element */ | |
| 7a9b6b8f YM |
1078 | struct iscsi_cqe_common { |
| 1079 | __le16 conn_id; | |
| 1080 | u8 cqe_type; | |
| 1081 | union cqe_error_status error_bitmap; | |
| 1082 | __le32 reserved[3]; | |
| 1083 | union iscsi_task_hdr iscsi_hdr; | |
| 1084 | }; | |
| 1085 | ||
| a2e7699e | 1086 | /* iSCSI CQ element */ |
| 7a9b6b8f YM |
1087 | struct iscsi_cqe_solicited { |
| 1088 | __le16 conn_id; | |
| 1089 | u8 cqe_type; | |
| 1090 | union cqe_error_status error_bitmap; | |
| 1091 | __le16 itid; | |
| 1092 | u8 task_type; | |
| 1093 | u8 fw_dbg_field; | |
| be086e7c MY |
1094 | u8 caused_conn_err; |
| 1095 | u8 reserved0[3]; | |
| da090917 | 1096 | __le32 data_truncated_bytes; |
| 7a9b6b8f YM |
1097 | union iscsi_task_hdr iscsi_hdr; |
| 1098 | }; | |
| 1099 | ||
| a2e7699e | 1100 | /* iSCSI CQ element */ |
| 7a9b6b8f YM |
1101 | struct iscsi_cqe_unsolicited { |
| 1102 | __le16 conn_id; | |
| 1103 | u8 cqe_type; | |
| 1104 | union cqe_error_status error_bitmap; | |
| 1105 | __le16 reserved0; | |
| 1106 | u8 reserved1; | |
| 1107 | u8 unsol_cqe_type; | |
| da090917 TT |
1108 | __le16 rqe_opaque; |
| 1109 | __le16 reserved2[3]; | |
| 7a9b6b8f YM |
1110 | union iscsi_task_hdr iscsi_hdr; |
| 1111 | }; | |
| 1112 | ||
| a2e7699e | 1113 | /* iSCSI CQ element */ |
| 7a9b6b8f YM |
1114 | union iscsi_cqe { |
| 1115 | struct iscsi_cqe_common cqe_common; | |
| 1116 | struct iscsi_cqe_solicited cqe_solicited; | |
| 1117 | struct iscsi_cqe_unsolicited cqe_unsolicited; | |
| 1118 | }; | |
| 1119 | ||
| a2e7699e | 1120 | /* iSCSI CQE type */ |
| 7a9b6b8f YM |
1121 | enum iscsi_cqes_type { |
| 1122 | ISCSI_CQE_TYPE_SOLICITED = 1, | |
| 1123 | ISCSI_CQE_TYPE_UNSOLICITED, | |
| 05fafbfb | 1124 | ISCSI_CQE_TYPE_SOLICITED_WITH_SENSE, |
| 7a9b6b8f YM |
1125 | ISCSI_CQE_TYPE_TASK_CLEANUP, |
| 1126 | ISCSI_CQE_TYPE_DUMMY, | |
| 1127 | MAX_ISCSI_CQES_TYPE | |
| 1128 | }; | |
| 1129 | ||
| a2e7699e | 1130 | /* iSCSI CQE type */ |
| 7a9b6b8f YM |
1131 | enum iscsi_cqe_unsolicited_type { |
| 1132 | ISCSI_CQE_UNSOLICITED_NONE, | |
| 1133 | ISCSI_CQE_UNSOLICITED_SINGLE, | |
| 1134 | ISCSI_CQE_UNSOLICITED_FIRST, | |
| 1135 | ISCSI_CQE_UNSOLICITED_MIDDLE, | |
| 1136 | ISCSI_CQE_UNSOLICITED_LAST, | |
| 1137 | MAX_ISCSI_CQE_UNSOLICITED_TYPE | |
| 1138 | }; | |
| 1139 | ||
| a2e7699e | 1140 | /* iscsi debug modes */ |
| 7a9b6b8f YM |
1141 | struct iscsi_debug_modes { |
| 1142 | u8 flags; | |
| da090917 TT |
1143 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_MASK 0x1 |
| 1144 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_SHIFT 0 | |
| 1145 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_MASK 0x1 | |
| 1146 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_SHIFT 1 | |
| 1147 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_MASK 0x1 | |
| 1148 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_SHIFT 2 | |
| 1149 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_MASK 0x1 | |
| 1150 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_SHIFT 3 | |
| 1151 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_MASK 0x1 | |
| 1152 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_SHIFT 4 | |
| 1153 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_MASK 0x1 | |
| 1154 | #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_SHIFT 5 | |
| 1155 | #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_OR_DATA_DIGEST_ERROR_MASK 0x1 | |
| 1156 | #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_OR_DATA_DIGEST_ERROR_SHIFT 6 | |
| 1157 | #define ISCSI_DEBUG_MODES_ASSERT_IF_HQ_CORRUPT_MASK 0x1 | |
| 1158 | #define ISCSI_DEBUG_MODES_ASSERT_IF_HQ_CORRUPT_SHIFT 7 | |
| a2e7699e TT |
1159 | }; |
| 1160 | ||
| 1161 | /* iSCSI kernel completion queue IDs */ | |
| 7a9b6b8f YM |
1162 | enum iscsi_eqe_opcode { |
| 1163 | ISCSI_EVENT_TYPE_INIT_FUNC = 0, | |
| 1164 | ISCSI_EVENT_TYPE_DESTROY_FUNC, | |
| 1165 | ISCSI_EVENT_TYPE_OFFLOAD_CONN, | |
| 1166 | ISCSI_EVENT_TYPE_UPDATE_CONN, | |
| 1167 | ISCSI_EVENT_TYPE_CLEAR_SQ, | |
| 1168 | ISCSI_EVENT_TYPE_TERMINATE_CONN, | |
| 05fafbfb | 1169 | ISCSI_EVENT_TYPE_MAC_UPDATE_CONN, |
| da090917 | 1170 | ISCSI_EVENT_TYPE_COLLECT_STATS_CONN, |
| 7a9b6b8f YM |
1171 | ISCSI_EVENT_TYPE_ASYN_CONNECT_COMPLETE, |
| 1172 | ISCSI_EVENT_TYPE_ASYN_TERMINATE_DONE, | |
| 7a9b6b8f YM |
1173 | ISCSI_EVENT_TYPE_START_OF_ERROR_TYPES = 10, |
| 1174 | ISCSI_EVENT_TYPE_ASYN_ABORT_RCVD, | |
| 1175 | ISCSI_EVENT_TYPE_ASYN_CLOSE_RCVD, | |
| 1176 | ISCSI_EVENT_TYPE_ASYN_SYN_RCVD, | |
| 1177 | ISCSI_EVENT_TYPE_ASYN_MAX_RT_TIME, | |
| 1178 | ISCSI_EVENT_TYPE_ASYN_MAX_RT_CNT, | |
| 1179 | ISCSI_EVENT_TYPE_ASYN_MAX_KA_PROBES_CNT, | |
| 1180 | ISCSI_EVENT_TYPE_ASYN_FIN_WAIT2, | |
| 1181 | ISCSI_EVENT_TYPE_ISCSI_CONN_ERROR, | |
| 1182 | ISCSI_EVENT_TYPE_TCP_CONN_ERROR, | |
| 7a9b6b8f YM |
1183 | MAX_ISCSI_EQE_OPCODE |
| 1184 | }; | |
| 1185 | ||
| a2e7699e | 1186 | /* iSCSI EQE and CQE completion status */ |
| 7a9b6b8f YM |
1187 | enum iscsi_error_types { |
| 1188 | ISCSI_STATUS_NONE = 0, | |
| 1189 | ISCSI_CQE_ERROR_UNSOLICITED_RCV_ON_INVALID_CONN = 1, | |
| 1190 | ISCSI_CONN_ERROR_TASK_CID_MISMATCH, | |
| 1191 | ISCSI_CONN_ERROR_TASK_NOT_VALID, | |
| 1192 | ISCSI_CONN_ERROR_RQ_RING_IS_FULL, | |
| 1193 | ISCSI_CONN_ERROR_CMDQ_RING_IS_FULL, | |
| 1194 | ISCSI_CONN_ERROR_HQE_CACHING_FAILED, | |
| 1195 | ISCSI_CONN_ERROR_HEADER_DIGEST_ERROR, | |
| 1196 | ISCSI_CONN_ERROR_LOCAL_COMPLETION_ERROR, | |
| 1197 | ISCSI_CONN_ERROR_DATA_OVERRUN, | |
| 1198 | ISCSI_CONN_ERROR_OUT_OF_SGES_ERROR, | |
| 7b6859fb MY |
1199 | ISCSI_CONN_ERROR_IP_OPTIONS_ERROR, |
| 1200 | ISCSI_CONN_ERROR_PRS_ERRORS, | |
| 1201 | ISCSI_CONN_ERROR_CONNECT_INVALID_TCP_OPTION, | |
| 7a9b6b8f YM |
1202 | ISCSI_CONN_ERROR_TCP_IP_FRAGMENT_ERROR, |
| 1203 | ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_LEN, | |
| 1204 | ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_TYPE, | |
| 1205 | ISCSI_CONN_ERROR_PROTOCOL_ERR_ITT_OUT_OF_RANGE, | |
| 1206 | ISCSI_CONN_ERROR_PROTOCOL_ERR_TTT_OUT_OF_RANGE, | |
| 1207 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_EXCEEDS_PDU_SIZE, | |
| 1208 | ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE, | |
| 1209 | ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE_BEFORE_UPDATE, | |
| 1210 | ISCSI_CONN_ERROR_UNVALID_NOPIN_DSL, | |
| 1211 | ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_CARRIES_NO_DATA, | |
| 1212 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SN, | |
| 1213 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_IN_TTT, | |
| 1214 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_OUT_ITT, | |
| 1215 | ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_TTT, | |
| 1216 | ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_BUFFER_OFFSET, | |
| 1217 | ISCSI_CONN_ERROR_PROTOCOL_ERR_BUFFER_OFFSET_OOO, | |
| 1218 | ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_SN, | |
| 1219 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0, | |
| 1220 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1, | |
| 1221 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_2, | |
| 1222 | ISCSI_CONN_ERROR_PROTOCOL_ERR_LUN, | |
| 1223 | ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO, | |
| 1224 | ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO_S_BIT_ONE, | |
| 1225 | ISCSI_CONN_ERROR_PROTOCOL_ERR_EXP_STAT_SN, | |
| 1226 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DSL_NOT_ZERO, | |
| 1227 | ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_DSL, | |
| 1228 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG, | |
| 1229 | ISCSI_CONN_ERROR_PROTOCOL_ERR_OUTSTANDING_R2T_COUNT, | |
| 1230 | ISCSI_CONN_ERROR_PROTOCOL_ERR_DIF_TX, | |
| 1231 | ISCSI_CONN_ERROR_SENSE_DATA_LENGTH, | |
| 1232 | ISCSI_CONN_ERROR_DATA_PLACEMENT_ERROR, | |
| be086e7c | 1233 | ISCSI_CONN_ERROR_INVALID_ITT, |
| 7a9b6b8f YM |
1234 | ISCSI_ERROR_UNKNOWN, |
| 1235 | MAX_ISCSI_ERROR_TYPES | |
| 1236 | }; | |
| 1237 | ||
| a2e7699e | 1238 | /* iSCSI Ramrod Command IDs */ |
| 7a9b6b8f YM |
1239 | enum iscsi_ramrod_cmd_id { |
| 1240 | ISCSI_RAMROD_CMD_ID_UNUSED = 0, | |
| 1241 | ISCSI_RAMROD_CMD_ID_INIT_FUNC = 1, | |
| 1242 | ISCSI_RAMROD_CMD_ID_DESTROY_FUNC = 2, | |
| 1243 | ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN = 3, | |
| 1244 | ISCSI_RAMROD_CMD_ID_UPDATE_CONN = 4, | |
| 1245 | ISCSI_RAMROD_CMD_ID_TERMINATION_CONN = 5, | |
| 1246 | ISCSI_RAMROD_CMD_ID_CLEAR_SQ = 6, | |
| 05fafbfb | 1247 | ISCSI_RAMROD_CMD_ID_MAC_UPDATE = 7, |
| da090917 | 1248 | ISCSI_RAMROD_CMD_ID_CONN_STATS = 8, |
| 7a9b6b8f YM |
1249 | MAX_ISCSI_RAMROD_CMD_ID |
| 1250 | }; | |
| 1251 | ||
| a2e7699e | 1252 | /* iSCSI connection termination request */ |
| 05fafbfb YM |
1253 | struct iscsi_spe_conn_mac_update { |
| 1254 | struct iscsi_slow_path_hdr hdr; | |
| 1255 | __le16 conn_id; | |
| 1256 | __le32 fw_cid; | |
| 1257 | __le16 remote_mac_addr_lo; | |
| 1258 | __le16 remote_mac_addr_mid; | |
| 1259 | __le16 remote_mac_addr_hi; | |
| 1260 | u8 reserved0[2]; | |
| 1261 | }; | |
| 1262 | ||
| a2e7699e TT |
1263 | /* iSCSI and TCP connection (Option 1) offload params passed by driver to FW in |
| 1264 | * iSCSI offload ramrod. | |
| 1265 | */ | |
| 7a9b6b8f YM |
1266 | struct iscsi_spe_conn_offload { |
| 1267 | struct iscsi_slow_path_hdr hdr; | |
| 1268 | __le16 conn_id; | |
| 1269 | __le32 fw_cid; | |
| 1270 | struct iscsi_conn_offload_params iscsi; | |
| 1271 | struct tcp_offload_params tcp; | |
| 1272 | }; | |
| 1273 | ||
| a2e7699e TT |
1274 | /* iSCSI and TCP connection(Option 2) offload params passed by driver to FW in |
| 1275 | * iSCSI offload ramrod. | |
| 1276 | */ | |
| 7a9b6b8f YM |
1277 | struct iscsi_spe_conn_offload_option2 { |
| 1278 | struct iscsi_slow_path_hdr hdr; | |
| 1279 | __le16 conn_id; | |
| 1280 | __le32 fw_cid; | |
| 1281 | struct iscsi_conn_offload_params iscsi; | |
| 1282 | struct tcp_offload_params_opt2 tcp; | |
| 1283 | }; | |
| 1284 | ||
| da090917 TT |
1285 | /* iSCSI collect connection statistics request */ |
| 1286 | struct iscsi_spe_conn_statistics { | |
| 1287 | struct iscsi_slow_path_hdr hdr; | |
| 1288 | __le16 conn_id; | |
| 1289 | __le32 fw_cid; | |
| 1290 | u8 reset_stats; | |
| 1291 | u8 reserved0[7]; | |
| 1292 | struct regpair stats_cnts_addr; | |
| 1293 | }; | |
| 1294 | ||
| a2e7699e | 1295 | /* iSCSI connection termination request */ |
| 7a9b6b8f YM |
1296 | struct iscsi_spe_conn_termination { |
| 1297 | struct iscsi_slow_path_hdr hdr; | |
| 1298 | __le16 conn_id; | |
| 1299 | __le32 fw_cid; | |
| 1300 | u8 abortive; | |
| 1301 | u8 reserved0[7]; | |
| 1302 | struct regpair queue_cnts_addr; | |
| 1303 | struct regpair query_params_addr; | |
| 1304 | }; | |
| 1305 | ||
| a2e7699e | 1306 | /* iSCSI firmware function destroy parameters */ |
| 7a9b6b8f YM |
1307 | struct iscsi_spe_func_dstry { |
| 1308 | struct iscsi_slow_path_hdr hdr; | |
| 1309 | __le16 reserved0; | |
| 1310 | __le32 reserved1; | |
| 1311 | }; | |
| 1312 | ||
| a2e7699e | 1313 | /* iSCSI firmware function init parameters */ |
| 7a9b6b8f YM |
1314 | struct iscsi_spe_func_init { |
| 1315 | struct iscsi_slow_path_hdr hdr; | |
| 1316 | __le16 half_way_close_timeout; | |
| 1317 | u8 num_sq_pages_in_ring; | |
| 1318 | u8 num_r2tq_pages_in_ring; | |
| 1319 | u8 num_uhq_pages_in_ring; | |
| 1320 | u8 ll2_rx_queue_id; | |
| da090917 TT |
1321 | u8 flags; |
| 1322 | #define ISCSI_SPE_FUNC_INIT_COUNTERS_EN_MASK 0x1 | |
| 1323 | #define ISCSI_SPE_FUNC_INIT_COUNTERS_EN_SHIFT 0 | |
| 1324 | #define ISCSI_SPE_FUNC_INIT_RESERVED0_MASK 0x7F | |
| 1325 | #define ISCSI_SPE_FUNC_INIT_RESERVED0_SHIFT 1 | |
| 7a9b6b8f YM |
1326 | struct iscsi_debug_modes debug_mode; |
| 1327 | __le16 reserved1; | |
| 1328 | __le32 reserved2; | |
| 7a9b6b8f YM |
1329 | struct scsi_init_func_params func_params; |
| 1330 | struct scsi_init_func_queues q_params; | |
| 1331 | }; | |
| 1332 | ||
| a2e7699e | 1333 | /* iSCSI task type */ |
| 7a9b6b8f YM |
1334 | enum iscsi_task_type { |
| 1335 | ISCSI_TASK_TYPE_INITIATOR_WRITE, | |
| 1336 | ISCSI_TASK_TYPE_INITIATOR_READ, | |
| 1337 | ISCSI_TASK_TYPE_MIDPATH, | |
| 1338 | ISCSI_TASK_TYPE_UNSOLIC, | |
| 1339 | ISCSI_TASK_TYPE_EXCHCLEANUP, | |
| 1340 | ISCSI_TASK_TYPE_IRRELEVANT, | |
| 1341 | ISCSI_TASK_TYPE_TARGET_WRITE, | |
| 1342 | ISCSI_TASK_TYPE_TARGET_READ, | |
| 1343 | ISCSI_TASK_TYPE_TARGET_RESPONSE, | |
| 1344 | ISCSI_TASK_TYPE_LOGIN_RESPONSE, | |
| da090917 | 1345 | ISCSI_TASK_TYPE_TARGET_IMM_W_DIF, |
| 7a9b6b8f YM |
1346 | MAX_ISCSI_TASK_TYPE |
| 1347 | }; | |
| 1348 | ||
| a2e7699e | 1349 | /* iSCSI DesiredDataTransferLength/ttt union */ |
| 7a9b6b8f YM |
1350 | union iscsi_ttt_txlen_union { |
| 1351 | __le32 desired_tx_len; | |
| 1352 | __le32 ttt; | |
| 1353 | }; | |
| 1354 | ||
| a2e7699e | 1355 | /* iSCSI uHQ element */ |
| 7a9b6b8f YM |
1356 | struct iscsi_uhqe { |
| 1357 | __le32 reg1; | |
| a2e7699e TT |
1358 | #define ISCSI_UHQE_PDU_PAYLOAD_LEN_MASK 0xFFFFF |
| 1359 | #define ISCSI_UHQE_PDU_PAYLOAD_LEN_SHIFT 0 | |
| 1360 | #define ISCSI_UHQE_LOCAL_COMP_MASK 0x1 | |
| 1361 | #define ISCSI_UHQE_LOCAL_COMP_SHIFT 20 | |
| 1362 | #define ISCSI_UHQE_TOGGLE_BIT_MASK 0x1 | |
| 1363 | #define ISCSI_UHQE_TOGGLE_BIT_SHIFT 21 | |
| 1364 | #define ISCSI_UHQE_PURE_PAYLOAD_MASK 0x1 | |
| 1365 | #define ISCSI_UHQE_PURE_PAYLOAD_SHIFT 22 | |
| 1366 | #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_MASK 0x1 | |
| 1367 | #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_SHIFT 23 | |
| 1368 | #define ISCSI_UHQE_TASK_ID_HI_MASK 0xFF | |
| 1369 | #define ISCSI_UHQE_TASK_ID_HI_SHIFT 24 | |
| 7a9b6b8f | 1370 | __le32 reg2; |
| a2e7699e TT |
1371 | #define ISCSI_UHQE_BUFFER_OFFSET_MASK 0xFFFFFF |
| 1372 | #define ISCSI_UHQE_BUFFER_OFFSET_SHIFT 0 | |
| 1373 | #define ISCSI_UHQE_TASK_ID_LO_MASK 0xFF | |
| 1374 | #define ISCSI_UHQE_TASK_ID_LO_SHIFT 24 | |
| 7a9b6b8f YM |
1375 | }; |
| 1376 | ||
| a2e7699e | 1377 | /* iSCSI WQ element */ |
| 7a9b6b8f YM |
1378 | struct iscsi_wqe { |
| 1379 | __le16 task_id; | |
| 1380 | u8 flags; | |
| a2e7699e TT |
1381 | #define ISCSI_WQE_WQE_TYPE_MASK 0x7 |
| 1382 | #define ISCSI_WQE_WQE_TYPE_SHIFT 0 | |
| 1383 | #define ISCSI_WQE_NUM_SGES_MASK 0xF | |
| 1384 | #define ISCSI_WQE_NUM_SGES_SHIFT 3 | |
| 1385 | #define ISCSI_WQE_RESPONSE_MASK 0x1 | |
| 1386 | #define ISCSI_WQE_RESPONSE_SHIFT 7 | |
| 7a9b6b8f | 1387 | struct iscsi_dif_flags prot_flags; |
| be086e7c | 1388 | __le32 contlen_cdbsize; |
| a2e7699e TT |
1389 | #define ISCSI_WQE_CONT_LEN_MASK 0xFFFFFF |
| 1390 | #define ISCSI_WQE_CONT_LEN_SHIFT 0 | |
| 1391 | #define ISCSI_WQE_CDB_SIZE_MASK 0xFF | |
| 1392 | #define ISCSI_WQE_CDB_SIZE_SHIFT 24 | |
| 7a9b6b8f YM |
1393 | }; |
| 1394 | ||
| a2e7699e | 1395 | /* iSCSI wqe type */ |
| 7a9b6b8f YM |
1396 | enum iscsi_wqe_type { |
| 1397 | ISCSI_WQE_TYPE_NORMAL, | |
| 1398 | ISCSI_WQE_TYPE_TASK_CLEANUP, | |
| 1399 | ISCSI_WQE_TYPE_MIDDLE_PATH, | |
| 1400 | ISCSI_WQE_TYPE_LOGIN, | |
| 1401 | ISCSI_WQE_TYPE_FIRST_R2T_CONT, | |
| 1402 | ISCSI_WQE_TYPE_NONFIRST_R2T_CONT, | |
| 1403 | ISCSI_WQE_TYPE_RESPONSE, | |
| 1404 | MAX_ISCSI_WQE_TYPE | |
| 1405 | }; | |
| 1406 | ||
| a2e7699e | 1407 | /* iSCSI xHQ element */ |
| 7a9b6b8f YM |
1408 | struct iscsi_xhqe { |
| 1409 | union iscsi_ttt_txlen_union ttt_or_txlen; | |
| 1410 | __le32 exp_stat_sn; | |
| 1411 | struct iscsi_dif_flags prot_flags; | |
| 1412 | u8 total_ahs_length; | |
| 1413 | u8 opcode; | |
| 1414 | u8 flags; | |
| a2e7699e TT |
1415 | #define ISCSI_XHQE_FINAL_MASK 0x1 |
| 1416 | #define ISCSI_XHQE_FINAL_SHIFT 0 | |
| 1417 | #define ISCSI_XHQE_STATUS_BIT_MASK 0x1 | |
| 1418 | #define ISCSI_XHQE_STATUS_BIT_SHIFT 1 | |
| 1419 | #define ISCSI_XHQE_NUM_SGES_MASK 0xF | |
| 1420 | #define ISCSI_XHQE_NUM_SGES_SHIFT 2 | |
| 1421 | #define ISCSI_XHQE_RESERVED0_MASK 0x3 | |
| 1422 | #define ISCSI_XHQE_RESERVED0_SHIFT 6 | |
| be086e7c | 1423 | union iscsi_seq_num seq_num; |
| 7a9b6b8f YM |
1424 | __le16 reserved1; |
| 1425 | }; | |
| 1426 | ||
| a2e7699e | 1427 | /* Per PF iSCSI receive path statistics - mStorm RAM structure */ |
| 7a9b6b8f YM |
1428 | struct mstorm_iscsi_stats_drv { |
| 1429 | struct regpair iscsi_rx_dropped_pdus_task_not_valid; | |
| da090917 | 1430 | struct regpair iscsi_rx_dup_ack_cnt; |
| 7a9b6b8f YM |
1431 | }; |
| 1432 | ||
| a2e7699e | 1433 | /* Per PF iSCSI transmit path statistics - pStorm RAM structure */ |
| 7a9b6b8f YM |
1434 | struct pstorm_iscsi_stats_drv { |
| 1435 | struct regpair iscsi_tx_bytes_cnt; | |
| 1436 | struct regpair iscsi_tx_packet_cnt; | |
| 1437 | }; | |
| 1438 | ||
| a2e7699e | 1439 | /* Per PF iSCSI receive path statistics - tStorm RAM structure */ |
| 7a9b6b8f YM |
1440 | struct tstorm_iscsi_stats_drv { |
| 1441 | struct regpair iscsi_rx_bytes_cnt; | |
| 1442 | struct regpair iscsi_rx_packet_cnt; | |
| 1443 | struct regpair iscsi_rx_new_ooo_isle_events_cnt; | |
| da090917 TT |
1444 | struct regpair iscsi_rx_tcp_payload_bytes_cnt; |
| 1445 | struct regpair iscsi_rx_tcp_pkt_cnt; | |
| 1446 | struct regpair iscsi_rx_pure_ack_cnt; | |
| 7a9b6b8f YM |
1447 | __le32 iscsi_cmdq_threshold_cnt; |
| 1448 | __le32 iscsi_rq_threshold_cnt; | |
| 1449 | __le32 iscsi_immq_threshold_cnt; | |
| 1450 | }; | |
| 1451 | ||
| a2e7699e | 1452 | /* Per PF iSCSI receive path statistics - uStorm RAM structure */ |
| 7a9b6b8f YM |
1453 | struct ustorm_iscsi_stats_drv { |
| 1454 | struct regpair iscsi_rx_data_pdu_cnt; | |
| 1455 | struct regpair iscsi_rx_r2t_pdu_cnt; | |
| 1456 | struct regpair iscsi_rx_total_pdu_cnt; | |
| 1457 | }; | |
| 1458 | ||
| a2e7699e | 1459 | /* Per PF iSCSI transmit path statistics - xStorm RAM structure */ |
| 7a9b6b8f YM |
1460 | struct xstorm_iscsi_stats_drv { |
| 1461 | struct regpair iscsi_tx_go_to_slow_start_event_cnt; | |
| 1462 | struct regpair iscsi_tx_fast_retransmit_event_cnt; | |
| da090917 TT |
1463 | struct regpair iscsi_tx_pure_ack_cnt; |
| 1464 | struct regpair iscsi_tx_delayed_ack_cnt; | |
| 7a9b6b8f YM |
1465 | }; |
| 1466 | ||
| a2e7699e | 1467 | /* Per PF iSCSI transmit path statistics - yStorm RAM structure */ |
| 7a9b6b8f YM |
1468 | struct ystorm_iscsi_stats_drv { |
| 1469 | struct regpair iscsi_tx_data_pdu_cnt; | |
| 1470 | struct regpair iscsi_tx_r2t_pdu_cnt; | |
| 1471 | struct regpair iscsi_tx_total_pdu_cnt; | |
| da090917 TT |
1472 | struct regpair iscsi_tx_tcp_payload_bytes_cnt; |
| 1473 | struct regpair iscsi_tx_tcp_pkt_cnt; | |
| 7a9b6b8f YM |
1474 | }; |
| 1475 | ||
| 21dd79e8 | 1476 | struct e4_tstorm_iscsi_task_ag_ctx { |
| 7a9b6b8f YM |
1477 | u8 byte0; |
| 1478 | u8 byte1; | |
| 1479 | __le16 word0; | |
| 1480 | u8 flags0; | |
| 21dd79e8 TT |
1481 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF |
| 1482 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 | |
| 1483 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 | |
| 1484 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 | |
| 1485 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 | |
| 1486 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 | |
| 1487 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT2_MASK 0x1 | |
| 1488 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT2_SHIFT 6 | |
| 1489 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 | |
| 1490 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 | |
| 7a9b6b8f | 1491 | u8 flags1; |
| 21dd79e8 TT |
1492 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 |
| 1493 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 | |
| 1494 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT5_MASK 0x1 | |
| 1495 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_BIT5_SHIFT 1 | |
| 1496 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 | |
| 1497 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 2 | |
| 1498 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 | |
| 1499 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 4 | |
| 1500 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 | |
| 1501 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 6 | |
| 7a9b6b8f | 1502 | u8 flags2; |
| 21dd79e8 TT |
1503 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 |
| 1504 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 0 | |
| 1505 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4_MASK 0x3 | |
| 1506 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4_SHIFT 2 | |
| 1507 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5_MASK 0x3 | |
| 1508 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5_SHIFT 4 | |
| 1509 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6_MASK 0x3 | |
| 1510 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6_SHIFT 6 | |
| 7a9b6b8f | 1511 | u8 flags3; |
| 21dd79e8 TT |
1512 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7_MASK 0x3 |
| 1513 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7_SHIFT 0 | |
| 1514 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 | |
| 1515 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 2 | |
| 1516 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 | |
| 1517 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 3 | |
| 1518 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 | |
| 1519 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 4 | |
| 1520 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 | |
| 1521 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 5 | |
| 1522 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_MASK 0x1 | |
| 1523 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF4EN_SHIFT 6 | |
| 1524 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_MASK 0x1 | |
| 1525 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF5EN_SHIFT 7 | |
| 7a9b6b8f | 1526 | u8 flags4; |
| 21dd79e8 TT |
1527 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_MASK 0x1 |
| 1528 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF6EN_SHIFT 0 | |
| 1529 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_MASK 0x1 | |
| 1530 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_CF7EN_SHIFT 1 | |
| 1531 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 | |
| 1532 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 2 | |
| 1533 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 | |
| 1534 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 3 | |
| 1535 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 | |
| 1536 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 4 | |
| 1537 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 | |
| 1538 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 5 | |
| 1539 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 | |
| 1540 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 6 | |
| 1541 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 | |
| 1542 | #define E4_TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 7 | |
| 7a9b6b8f YM |
1543 | u8 byte2; |
| 1544 | __le16 word1; | |
| 1545 | __le32 reg0; | |
| 1546 | u8 byte3; | |
| 1547 | u8 byte4; | |
| 1548 | __le16 word2; | |
| 1549 | __le16 word3; | |
| 1550 | __le16 word4; | |
| 1551 | __le32 reg1; | |
| 1552 | __le32 reg2; | |
| 1553 | }; | |
| a2e7699e TT |
1554 | |
| 1555 | /* iSCSI doorbell data */ | |
| 7b6859fb MY |
1556 | struct iscsi_db_data { |
| 1557 | u8 params; | |
| a2e7699e TT |
1558 | #define ISCSI_DB_DATA_DEST_MASK 0x3 |
| 1559 | #define ISCSI_DB_DATA_DEST_SHIFT 0 | |
| 1560 | #define ISCSI_DB_DATA_AGG_CMD_MASK 0x3 | |
| 1561 | #define ISCSI_DB_DATA_AGG_CMD_SHIFT 2 | |
| 1562 | #define ISCSI_DB_DATA_BYPASS_EN_MASK 0x1 | |
| 1563 | #define ISCSI_DB_DATA_BYPASS_EN_SHIFT 4 | |
| 1564 | #define ISCSI_DB_DATA_RESERVED_MASK 0x1 | |
| 1565 | #define ISCSI_DB_DATA_RESERVED_SHIFT 5 | |
| 1566 | #define ISCSI_DB_DATA_AGG_VAL_SEL_MASK 0x3 | |
| 1567 | #define ISCSI_DB_DATA_AGG_VAL_SEL_SHIFT 6 | |
| 7b6859fb MY |
1568 | u8 agg_flags; |
| 1569 | __le16 sq_prod; | |
| 1570 | }; | |
| 7a9b6b8f YM |
1571 | |
| 1572 | #endif /* __ISCSI_COMMON__ */ |