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_ILI                 0x20
 118 #define SSD_EOM                 0x40
 119 #define SSD_FILEMARK            0x80
 120     UBYTE info[4];
 121     UBYTE extra_len;
 122     UBYTE cmd_spec_info[4];
 123     UBYTE add_sense_code;
 124     UBYTE add_sense_qual;
 125     UBYTE fru;
 126     UBYTE sense_key_spec[3];
 127     UBYTE extra_bytes[14];
 128 };
 129
 130 /* Commands */
 131 struct scsi_sense {
 132     UBYTE opcode;
 133     UBYTE byte2;
 134     UBYTE unused[2];
 135     UBYTE length;
 136     UBYTE control;
 137 };
 138
 139 struct scsi_rw_6 {
 140     UBYTE opcode;
 141     UBYTE addr[3];
 142 #define SRW_TOPADDR 0x1f
 143     UBYTE length;
 144     UBYTE control;
 145 };
 146
 147 struct scsi_rw_10 {
 148     UBYTE opcode;
 149     UBYTE byte2;
 150     UBYTE addr[4];
 151     UBYTE reserved;
 152     UBYTE length[2];
 153     UBYTE control;
 154 };
 155
 156 struct scsi_rw_12 {
 157     UBYTE opcode;
 158     UBYTE byte2;
 159     UBYTE addr[4];
 160     UBYTE length[4];
 161     UBYTE resv;
 162     UBYTE control;
 163 };
 164
 165 struct scsi_rw_16 {
 166     UBYTE opcode;
 167     UBYTE byte2;
 168     UBYTE addr[8];
 169     UBYTE length[4];
 170     UBYTE resv;
 171     UBYTE control;
 172 };
 173
 174 struct scsi_read_capacity_data {
 175     UBYTE addr[4];
 176     UBYTE length[4];
 177 };
 178
 179 struct scsi_read_capacity {
 180     UBYTE opcode;
 181     UBYTE byte2;
 182 #define SRC_RELADR      0x01
 183     UBYTE addr[4];
 184     UBYTE unused[2];
 185     UBYTE pmi;
 186 #define SRC_PMI         0x01
 187     UBYTE control;
 188 };
 189
 190 struct scsi_read_capacity_16 {
 191     UBYTE opcode;
 192 #define SRC16_SERVICE_ACTION 0x10
 193     UBYTE service_action;
 194     UBYTE addr[8];
 195     UBYTE alloc_len[4];
 196 #define SRC16_PMI       0x01
 197 #define SRC16_RELADR    0x02
 198     UBYTE reladr;
 199     UBYTE control;
 200 };
 201
 202 typedef union scsi_cdb {
 203     struct scsi_generic generic;
 204     struct scsi_inquiry inquiry;
 205     struct scsi_read_capacity read_capacity;
 206     struct scsi_rw_6 rw_6;
 207     struct scsi_rw_10 rw_10;
 208     struct scsi_rw_12 rw_12;
 209     struct scsi_rw_16 rw_16;
 210     struct scsi_sense sense;
 211 } *scsi_cdb_t;
 212
 213
 214 BOOL ahci_scsi_disk_io(struct IORequest *io, struct SCSICmd *scsi);
 215 BOOL ahci_scsi_atapi_io(struct IORequest *io, struct SCSICmd *scsi);
 216
 217 #endif /* AHCI_SCSI_H */