rom/devs/ahci/ahci_scsi.h

   1 /*
   2  * Copyright (C) 2012, The AROS Development Team.  All rights reserved.
   3  * Author: Jason S. McMullan <jason.mcmullan@gmail.com>
   4  *
   5  * Licensed under the AROS PUBLIC LICENSE (APL) Version 1.1
   6  */
   7
   8 #ifndef AHCI_SCSI_H
   9 #define AHCI_SCSI_H
  10
  11 #include <exec/io.h>
  12
  13 #include <scsi/commands.h>
  14
  15 struct scsi_vpd_supported_page_list {
  16     UBYTE device;
  17     UBYTE page_code;
  18 #define SVPD_SUPPORTED_PAGE_LIST  0
  19 #define SVPD_SUPPORTED_PAGES_HDR_LEN 4
  20     UBYTE resv;
  21     UBYTE length;
  22 #define SVPD_SUPPORTED_PAGES_SIZE 251
  23     UBYTE list[SVPD_SUPPORTED_PAGES_SIZE];
  24 };
  25
  26 struct scsi_vpd_unit_serial_number {
  27     UBYTE device;
  28     UBYTE page_code;
  29 #define SVPD_UNIT_SERIAL_NUMBER 0x80
  30     UBYTE resv;
  31     UBYTE length;
  32 #define SVPD_SERIAL_NUM_SIZE 251
  33     UBYTE serial_num[SVPD_SERIAL_NUM_SIZE];
  34 };
  35
  36 struct scsi_vpd_unit_devid {
  37     UBYTE device;
  38     UBYTE page_code;
  39 #define SVPD_UNIT_DEVID 0x83
  40 #define SVPD_UNIT_DEVID_MAX_SIZE 252
  41     UBYTE length[2];
  42     UBYTE desc_list[];
  43 };
  44
  45 #define SHORT_INQUIRY_LENGTH 36
  46
  47 struct scsi_generic {
  48     UBYTE opcode;
  49     UBYTE resv[5];
  50 };
  51 struct scsi_inquiry {
  52     UBYTE opcode;
  53     UBYTE byte2;
  54 #define SI_EVPD (1 << 0)
  55     UBYTE page_code;
  56     UBYTE length;
  57     UBYTE control;
  58 };
  59
  60 struct scsi_inquiry_data {
  61 #define T_DIRECT        0x00
  62     UBYTE device;
  63     UBYTE dev_qual2;
  64     UBYTE version;
  65 #define SCSI_REV_SPC2   4
  66     UBYTE response_format;
  67     UBYTE additional_length;
  68     UBYTE spc3_flags;
  69     UBYTE spc2_flags;
  70     UBYTE flags;
  71 #define SID_VENDOR_SIZE 8
  72     UBYTE vendor[SID_VENDOR_SIZE];
  73 #define SID_PRODUCT_SIZE 16
  74     UBYTE product[SID_PRODUCT_SIZE];
  75 #define SID_REVISION_SIZE 4
  76     UBYTE revision[SID_REVISION_SIZE];
  77     UBYTE spi3data;
  78     UBYTE reserved2;
  79     UBYTE version1[2];
  80     UBYTE version2[2];
  81     UBYTE version3[2];
  82     UBYTE version4[2];
  83     UBYTE version5[2];
  84     UBYTE version6[2];
  85     UBYTE version7[2];
  86     UBYTE version8[2];
  87     UBYTE reserved3[22];
  88 #define SID_VENDOR_SPECIFIC_1_SIZE 160
  89     UBYTE vendor_specific[SID_VENDOR_SPECIFIC_1_SIZE];
  90 };
  91
  92 struct scsi_sense_data {
  93     UBYTE error_code;
  94 #define SSD_ERRCODE                     0x7f
  95 #define         SSD_CURRENT_ERROR       0x70
  96 #define         SSD_DEFERRED_ERROR      0x71
  97 #define SSD_ERRCODE_VALID               0x80
  98 #define SSD_FULL_SIZE 252
  99     UBYTE segment;
 100     UBYTE flags;
 101 #define SSD_KEY                 0x0f
 102 #define         SSD_KEY_NO_SENSE        0x00
 103 #define         SSD_KEY_RECOVERED_ERROR 0x01
 104 #define         SSD_KEY_NOT_READY       0x02
 105 #define         SSD_KEY_MEDIUM_ERROR    0x03
 106 #define         SSD_KEY_HARDWARE_ERROR  0x04
 107 #define         SSD_KEY_ILLEGAL_REQUEST 0x05
 108 #define         SSD_KEY_UNIT_ATTENTION  0x06
 109 #define         SSD_KEY_DATA_PROTECT    0x07
 110 #define         SSD_KEY_BLANK_CHECK     0x08
 111 #define         SSD_KEY_VENDOR_SPECIFIC 0x09
 112 #define         SSD_KEY_COPY_ABORTED    0x0a
 113 #define         SSD_KEY_ABORTED_COMMAND 0x0b
 114 #define         SSD_KEY_EQUAL           0x0c
 115 #define         SSD_KEY_VOLUME_OVERFLOW 0x0d
 116 #define         SSD_KEY_MISCOMPARE      0x0e
 117 #define         SSD_KEY_COMPLETED       0x0f
 118 #define SSD_ILI                 0x20
 119 #define SSD_EOM                 0x40
 120 #define SSD_FILEMARK            0x80
 121     UBYTE info[4];
 122     UBYTE extra_len;
 123     UBYTE cmd_spec_info[4];
 124     UBYTE add_sense_code;
 125     UBYTE add_sense_qual;
 126     UBYTE fru;
 127     UBYTE sense_key_spec[3];
 128     UBYTE extra_bytes[14];
 129 };
 130
 131 /* Commands */
 132 struct scsi_sense {
 133     UBYTE opcode;
 134     UBYTE byte2;
 135     UBYTE unused[2];
 136     UBYTE length;
 137     UBYTE control;
 138 };
 139
 140 struct scsi_rw_6 {
 141     UBYTE opcode;
 142     UBYTE addr[3];
 143 #define SRW_TOPADDR 0x1f
 144     UBYTE length;
 145     UBYTE control;
 146 };
 147
 148 struct scsi_rw_10 {
 149     UBYTE opcode;
 150     UBYTE byte2;
 151     UBYTE addr[4];
 152     UBYTE reserved;
 153     UBYTE length[2];
 154     UBYTE control;
 155 };
 156
 157 struct scsi_rw_12 {
 158     UBYTE opcode;
 159     UBYTE byte2;
 160     UBYTE addr[4];
 161     UBYTE length[4];
 162     UBYTE resv;
 163     UBYTE control;
 164 };
 165
 166 struct scsi_rw_16 {
 167     UBYTE opcode;
 168     UBYTE byte2;
 169     UBYTE addr[8];
 170     UBYTE length[4];
 171     UBYTE resv;
 172     UBYTE control;
 173 };
 174
 175 struct scsi_read_capacity_data {
 176     UBYTE addr[4];
 177     UBYTE length[4];
 178 };
 179
 180 struct scsi_read_capacity {
 181     UBYTE opcode;
 182     UBYTE byte2;
 183 #define SRC_RELADR      0x01
 184     UBYTE addr[4];
 185     UBYTE unused[2];
 186     UBYTE pmi;
 187 #define SRC_PMI         0x01
 188     UBYTE control;
 189 };
 190
 191 struct scsi_read_capacity_16 {
 192     UBYTE opcode;
 193 #define SRC16_SERVICE_ACTION 0x10
 194     UBYTE service_action;
 195     UBYTE addr[8];
 196     UBYTE alloc_len[4];
 197 #define SRC16_PMI       0x01
 198 #define SRC16_RELADR    0x02
 199     UBYTE reladr;
 200     UBYTE control;
 201 };
 202
 203 typedef union scsi_cdb {
 204     struct scsi_generic generic;
 205     struct scsi_inquiry inquiry;
 206     struct scsi_read_capacity read_capacity;
 207     struct scsi_rw_6 rw_6;
 208     struct scsi_rw_10 rw_10;
 209     struct scsi_rw_12 rw_12;
 210     struct scsi_rw_16 rw_16;
 211     struct scsi_sense sense;
 212 } *scsi_cdb_t;
 213
 214
 215 BOOL ahci_scsi_disk_io(struct IORequest *io, struct SCSICmd *scsi);
 216 BOOL ahci_scsi_atapi_io(struct IORequest *io, struct SCSICmd *scsi);
 217
 218 #endif /* AHCI_SCSI_H */