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