isp_stds.h revision 164370
1/* $FreeBSD: head/sys/dev/isp/isp_stds.h 164272 2006-11-14 08:45:48Z mjacob $ */ 2/*- 3 * Mailbox and Queue Entry Definitions for for Qlogic ISP SCSI adapters. 4 * 5 * Copyright (c) 1997-2006 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 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 */ 30/* 31 * Structures that derive directly from public standards. 32 */ 33#ifndef _ISP_STDS_H 34#define _ISP_STDS_H 35 36/* 37 * FC Frame Header 38 * 39 * Source: dpANS-X3.xxx-199x, section 18 (AKA FC-PH-2) 40 * 41 */ 42typedef 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; 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 */ 67typedef 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_ADDTL_CDBLEN_SHIFT 2 93 94#define FCP_CMND_DATA_WRITE 0x01 95#define FCP_CMND_DATA_READ 0x02 96 97#define FCP_CMND_DATA_DIR_MASK 0x03 98 99#define FCP_CMND_TMF_CLEAR_ACA 0x40 100#define FCP_CMND_TMF_TGT_RESET 0x20 101#define FCP_CMND_TMF_LUN_RESET 0x10 102#define FCP_CMND_TMF_CLEAR_TASK_SET 0x04 103#define FCP_CMND_TMF_ABORT_TASK_SET 0x02 104 105/* 106 * Basic CT IU Header 107 * 108 * Source: X3.288-199x Generic Services 2 Rev 5.3 (FC-GS-2) Section 4.3.1 109 */ 110 111typedef struct { 112 uint8_t ct_revision; 113 uint8_t ct_in_id[3]; 114 uint8_t ct_fcs_type; 115 uint8_t ct_fcs_subtype; 116 uint8_t ct_options; 117 uint8_t ct_reserved0; 118 uint16_t ct_cmd_resp; 119 uint16_t ct_bcnt_resid; 120 uint8_t ct_reserved1; 121 uint8_t ct_reason; 122 uint8_t ct_explanation; 123 uint8_t ct_vunique; 124} ct_hdr_t; 125#define CT_REVISION 1 126#define CT_FC_TYPE_FC 0xFC 127#define CT_FC_SUBTYPE_NS 0x02 128 129/* 130 * RFT_ID Requet CT_IU 131 * 132 * Source: NCITS xxx-200x Generic Services- 5 Rev 8.5 Section 5.2.5.30 133 */ 134typedef struct { 135 ct_hdr_t rftid_hdr; 136 uint8_t rftid_reserved; 137 uint8_t rftid_portid[3]; 138 uint32_t rftid_fc4types[8]; 139} rft_id_t; 140 141/* 142 * FCP Response Code Definitions 143 * Source: NCITS T10, Project 1144D, Revision 07a (aka FCP2r07a) 144 */ 145#define FCP_RSPNS_CODE_OFFSET 3 146 147#define FCP_RSPNS_TMF_DONE 0 148#define FCP_RSPNS_DLBRSTX 1 149#define FCP_RSPNS_BADCMND 2 150#define FCP_RSPNS_EROFS 3 151#define FCP_RSPNS_TMF_REJECT 4 152#define FCP_RSPNS_TMF_FAILED 5 153 154 155/* unconverted miscellany */ 156/* 157 * Basic FC Link Service defines 158 */ 159/* 160 * These are in the R_CTL field. 161 */ 162#define ABTS 0x81 163#define BA_ACC 0x84 /* of ABORT SEQUENCE */ 164#define BA_RJT 0x85 /* of ABORT SEQUENCE */ 165 166/* 167 * Link Service Accept/Reject 168 */ 169#define LS_ACC 0x8002 170#define LS_RJT 0x8001 171 172/* 173 * FC ELS Codes- bits 31-24 of the first payload word of an ELS frame. 174 */ 175#define PLOGI 0x03 176#define FLOGI 0x04 177#define LOGO 0x05 178#define ABTX 0x06 179#define PRLI 0x20 180#define PRLO 0x21 181#define TPRLO 0x24 182#define RNC 0x53 183 184/* 185 * FC4 defines 186 */ 187#define FC4_IP 5 /* ISO/EEC 8802-2 LLC/SNAP */ 188#define FC4_SCSI 8 /* SCSI-3 via Fibre Channel Protocol (FCP) */ 189#define FC4_FC_SVC 0x20 /* Fibre Channel Services */ 190 191#ifndef MSG_ABORT 192#define MSG_ABORT 0x06 193#endif 194#ifndef MSG_BUS_DEV_RESET 195#define MSG_BUS_DEV_RESET 0x0c 196#endif 197#ifndef MSG_ABORT_TAG 198#define MSG_ABORT_TAG 0x0d 199#endif 200#ifndef MSG_CLEAR_QUEUE 201#define MSG_CLEAR_QUEUE 0x0e 202#endif 203#ifndef MSG_REL_RECOVERY 204#define MSG_REL_RECOVERY 0x10 205#endif 206#ifndef MSG_TERM_IO_PROC 207#define MSG_TERM_IO_PROC 0x11 208#endif 209#ifndef MSG_LUN_RESET 210#define MSG_LUN_RESET 0x17 211#endif 212 213#endif /* _ISP_STDS_H */ 214