Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/isp/isp_stds.h
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1 /* $FreeBSD$ */ 2 /*- 3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4 * 5 * Copyright (c) 1997-2009 by Matthew Jacob 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 */ 31 /* 32 * Structures that derive directly from public standards. 33 */ 34 #ifndef _ISP_STDS_H 35 #define _ISP_STDS_H 36 /* 37 * FC Frame Header 38 * 39 * Source: dpANS-X3.xxx-199x, section 18 (AKA FC-PH-2) 40 * 41 */ 42 typedef struct { 43 uint8_t r_ctl; 44 uint8_t d_id[3]; 45 uint8_t cs_ctl; 46 uint8_t s_id[3]; 47 uint8_t type; 48 uint8_t f_ctl[3]; 49 uint8_t seq_id; 50 uint8_t df_ctl; 51 uint16_t seq_cnt; 52 uint16_t ox_id; 53 uint16_t rx_id; 54 uint32_t parameter; 55 } fc_hdr_t; 56 57 /* 58 * FCP_CMND_IU Payload 59 * 60 * Source: NICTS T10, Project 1144D, Revision 07a, Section 9 (AKA fcp2-r07a) 61 * 62 * Notes: 63 * When additional cdb length is defined in fcp_cmnd_alen_datadir, 64 * bits 2..7, the actual cdb length is 16 + ((fcp_cmnd_alen_datadir>>2)*4), 65 * with the datalength following in MSB format just after. 66 */ 67 typedef struct { 68 uint8_t fcp_cmnd_lun[8]; 69 uint8_t fcp_cmnd_crn; 70 uint8_t fcp_cmnd_task_attribute; 71 uint8_t fcp_cmnd_task_management; 72 uint8_t fcp_cmnd_alen_datadir; 73 union { 74 struct { 75 uint8_t fcp_cmnd_cdb[16]; 76 uint32_t fcp_cmnd_dl; 77 } sf; 78 struct { 79 uint8_t fcp_cmnd_cdb[1]; 80 } lf; 81 } cdb_dl; 82 } fcp_cmnd_iu_t; 83 84 85 #define FCP_CMND_TASK_ATTR_SIMPLE 0x00 86 #define FCP_CMND_TASK_ATTR_HEAD 0x01 87 #define FCP_CMND_TASK_ATTR_ORDERED 0x02 88 #define FCP_CMND_TASK_ATTR_ACA 0x04 89 #define FCP_CMND_TASK_ATTR_UNTAGGED 0x05 90 #define FCP_CMND_TASK_ATTR_MASK 0x07 91 92 #define FCP_CMND_PRIO_MASK 0x78 93 #define FCP_CMND_PRIO_SHIFT 3 94 95 #define FCP_CMND_ADDTL_CDBLEN_SHIFT 2 96 97 #define FCP_CMND_DATA_WRITE 0x01 98 #define FCP_CMND_DATA_READ 0x02 99 100 #define FCP_CMND_DATA_DIR_MASK 0x03 101 102 #define FCP_CMND_TMF_CLEAR_ACA 0x40 103 #define FCP_CMND_TMF_TGT_RESET 0x20 104 #define FCP_CMND_TMF_LUN_RESET 0x10 105 #define FCP_CMND_TMF_QUERY_ASYNC_EVENT 0x08 106 #define FCP_CMND_TMF_CLEAR_TASK_SET 0x04 107 #define FCP_CMND_TMF_ABORT_TASK_SET 0x02 108 #define FCP_CMND_TMF_QUERY_TASK_SET 0x01 109 110 /* 111 * Basic CT IU Header 112 * 113 * Source: X3.288-199x Generic Services 2 Rev 5.3 (FC-GS-2) Section 4.3.1 114 */ 115 116 typedef struct { 117 uint8_t ct_revision; 118 uint8_t ct_in_id[3]; 119 uint8_t ct_fcs_type; 120 uint8_t ct_fcs_subtype; 121 uint8_t ct_options; 122 uint8_t ct_reserved0; 123 uint16_t ct_cmd_resp; 124 uint16_t ct_bcnt_resid; 125 uint8_t ct_reserved1; 126 uint8_t ct_reason; 127 uint8_t ct_explanation; 128 uint8_t ct_vunique; 129 } ct_hdr_t; 130 #define CT_REVISION 1 131 #define CT_FC_TYPE_FC 0xFC 132 #define CT_FC_SUBTYPE_NS 0x02 133 134 /* 135 * RFT_ID Requet CT_IU 136 * 137 * Source: NCITS xxx-200x Generic Services- 5 Rev 8.5 Section 5.2.5.30 138 */ 139 typedef struct { 140 ct_hdr_t rftid_hdr; 141 uint8_t rftid_reserved; 142 uint8_t rftid_portid[3]; 143 uint32_t rftid_fc4types[8]; 144 } rft_id_t; 145 146 /* 147 * RSPN_ID Requet CT_IU 148 * 149 * Source: INCITS 463-2010 Generic Services 6 Section 5.2.5.32 150 */ 151 typedef struct { 152 ct_hdr_t rspnid_hdr; 153 uint8_t rspnid_reserved; 154 uint8_t rspnid_portid[3]; 155 uint8_t rspnid_length; 156 uint8_t rspnid_name[0]; 157 } rspn_id_t; 158 159 /* 160 * RFF_ID Requet CT_IU 161 * 162 * Source: INCITS 463-2010 Generic Services 6 Section 5.2.5.34 163 */ 164 typedef struct { 165 ct_hdr_t rffid_hdr; 166 uint8_t rffid_reserved; 167 uint8_t rffid_portid[3]; 168 uint16_t rffid_reserved2; 169 uint8_t rffid_fc4features; 170 uint8_t rffid_fc4type; 171 } rff_id_t; 172 173 /* 174 * RSNN_NN Requet CT_IU 175 * 176 * Source: INCITS 463-2010 Generic Services 6 Section 5.2.5.35 177 */ 178 typedef struct { 179 ct_hdr_t rsnnnn_hdr; 180 uint8_t rsnnnn_nodename[8]; 181 uint8_t rsnnnn_length; 182 uint8_t rsnnnn_name[0]; 183 } rsnn_nn_t; 184 185 /* 186 * FCP Response IU and bits of interest 187 * Source: NCITS T10, Project 1828D, Revision 02b (aka FCP4r02b) 188 */ 189 typedef struct { 190 uint8_t fcp_rsp_reserved[8]; 191 uint16_t fcp_rsp_status_qualifier; /* SAM-5 Status Qualifier */ 192 uint8_t fcp_rsp_bits; 193 uint8_t fcp_rsp_scsi_status; /* SAM-5 SCSI Status Byte */ 194 uint32_t fcp_rsp_resid; 195 uint32_t fcp_rsp_snslen; 196 uint32_t fcp_rsp_rsplen; 197 /* 198 * In the bytes that follow, it's going to be 199 * FCP RESPONSE INFO (max 8 bytes, possibly 0) 200 * FCP SENSE INFO (if any) 201 * FCP BIDIRECTIONAL READ RESID (if any) 202 */ 203 uint8_t fcp_rsp_extra[0]; 204 } fcp_rsp_iu_t; 205 #define MIN_FCP_RESPONSE_SIZE 24 206 207 #define FCP_BIDIR_RSP 0x80 /* Bi-Directional response */ 208 #define FCP_BIDIR_RESID_UNDERFLOW 0x40 209 #define FCP_BIDIR_RESID_OVERFLOW 0x20 210 #define FCP_CONF_REQ 0x10 211 #define FCP_RESID_UNDERFLOW 0x08 212 #define FCP_RESID_OVERFLOW 0x04 213 #define FCP_SNSLEN_VALID 0x02 214 #define FCP_RSPLEN_VALID 0x01 215 216 #define FCP_MAX_RSPLEN 0x08 217 /* 218 * FCP Response Code Definitions 219 * Source: NCITS T10, Project 1144D, Revision 08 (aka FCP2r08) 220 */ 221 #define FCP_RSPNS_CODE_OFFSET 3 222 223 #define FCP_RSPNS_TMF_DONE 0 224 #define FCP_RSPNS_DLBRSTX 1 225 #define FCP_RSPNS_BADCMND 2 226 #define FCP_RSPNS_EROFS 3 227 #define FCP_RSPNS_TMF_REJECT 4 228 #define FCP_RSPNS_TMF_FAILED 5 229 #define FCP_RSPNS_TMF_SUCCEEDED 8 230 #define FCP_RSPNS_TMF_INCORRECT_LUN 9 231 232 /* 233 * R_CTL field definitions 234 * 235 * Bits 31-28 are ROUTING 236 * Bits 27-24 are INFORMATION 237 * 238 * These are nibble values, not bits 239 */ 240 #define R_CTL_ROUTE_DATA 0x00 241 #define R_CTL_ROUTE_ELS 0x02 242 #define R_CTL_ROUTE_FC4_LINK 0x03 243 #define R_CTL_ROUTE_VDATA 0x04 244 #define R_CTL_ROUTE_EXENDED 0x05 245 #define R_CTL_ROUTE_BASIC 0x08 246 #define R_CTL_ROUTE_LINK 0x0c 247 #define R_CTL_ROUTE_EXT_ROUTING 0x0f 248 249 #define R_CTL_INFO_UNCATEGORIZED 0x00 250 #define R_CTL_INFO_SOLICITED_DATA 0x01 251 #define R_CTL_INFO_UNSOLICITED_CONTROL 0x02 252 #define R_CTL_INFO_SOLICITED_CONTROL 0x03 253 #define R_CTL_INFO_UNSOLICITED_DATA 0x04 254 #define R_CTL_INFO_DATA_DESCRIPTOR 0x05 255 #define R_CTL_INFO_UNSOLICITED_COMMAND 0x06 256 #define R_CTL_INFO_COMMAND_STATUS 0x07 257 258 #define MAKE_RCTL(a, b) (((a) << 4) | (b)) 259 260 /* unconverted miscellany */ 261 /* 262 * Basic FC Link Service defines 263 */ 264 /* #define ABTS MAKE_RCTL(R_CTL_ROUTE_BASIC, R_CTL_INFO_SOLICITED_DATA) */ 265 #define BA_ACC MAKE_RCTL(R_CTL_ROUTE_BASIC, R_CTL_INFO_UNSOLICITED_DATA) /* of ABORT */ 266 #define BA_RJT MAKE_RCTL(R_CTL_ROUTE_BASIC, R_CTL_INFO_DATA_DESCRIPTOR) /* of ABORT */ 267 268 /* 269 * Link Service Accept/Reject 270 */ 271 #define LS_ACC 0x8002 272 #define LS_RJT 0x8001 273 274 /* 275 * FC ELS Codes- bits 31-24 of the first payload word of an ELS frame. 276 */ 277 #define PLOGI 0x03 278 #define FLOGI 0x04 279 #define LOGO 0x05 280 #define ABTX 0x06 281 #define PRLI 0x20 282 #define PRLO 0x21 283 #define SCN 0x22 284 #define TPRLO 0x24 285 #define PDISC 0x50 286 #define ADISC 0x52 287 #define RNC 0x53 288 289 /* 290 * PRLI Word 0 definitions 291 * FPC4-r02b January, 2011 292 */ 293 #define PRLI_WD0_TYPE_MASK 0xff000000 294 #define PRLI_WD0_TC_EXT_MASK 0x00ff0000 295 #define PRLI_WD0_EST_IMAGE_PAIR (1 << 13) 296 297 /* 298 * PRLI Word 3 definitions 299 * FPC4-r02b January, 2011 300 */ 301 #define PRLI_WD3_ENHANCED_DISCOVERY (1 << 11) 302 #define PRLI_WD3_REC_SUPPORT (1 << 10) 303 #define PRLI_WD3_TASK_RETRY_IDENTIFICATION_REQUESTED (1 << 9) 304 #define PRLI_WD3_RETRY (1 << 8) 305 #define PRLI_WD3_CONFIRMED_COMPLETION_ALLOWED (1 << 7) 306 #define PRLI_WD3_DATA_OVERLAY_ALLOWED (1 << 6) 307 #define PRLI_WD3_INITIATOR_FUNCTION (1 << 5) 308 #define PRLI_WD3_TARGET_FUNCTION (1 << 4) 309 #define PRLI_WD3_READ_FCP_XFER_RDY_DISABLED (1 << 1) /* definitely supposed to be set */ 310 #define PRLI_WD3_WRITE_FCP_XFER_RDY_DISABLED (1 << 0) 311 312 313 314 /* 315 * FC4 defines 316 */ 317 #define FC4_IP 5 /* ISO/EEC 8802-2 LLC/SNAP */ 318 #define FC4_SCSI 8 /* SCSI-3 via Fibre Channel Protocol (FCP) */ 319 #define FC4_FC_SVC 0x20 /* Fibre Channel Services */ 320 321 #ifndef MSG_ABORT 322 #define MSG_ABORT 0x06 323 #endif 324 #ifndef MSG_BUS_DEV_RESET 325 #define MSG_BUS_DEV_RESET 0x0c 326 #endif 327 #ifndef MSG_ABORT_TAG 328 #define MSG_ABORT_TAG 0x0d 329 #endif 330 #ifndef MSG_CLEAR_QUEUE 331 #define MSG_CLEAR_QUEUE 0x0e 332 #endif 333 #ifndef MSG_REL_RECOVERY 334 #define MSG_REL_RECOVERY 0x10 335 #endif 336 #ifndef MSG_TERM_IO_PROC 337 #define MSG_TERM_IO_PROC 0x11 338 #endif 339 #ifndef MSG_LUN_RESET 340 #define MSG_LUN_RESET 0x17 341 #endif 342 343 #endif /* _ISP_STDS_H */
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