include/grub/scsicmd.h

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2008  Free Software Foundation, Inc.
   4  *
   5  *  GRUB is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  GRUB is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef GRUB_SCSICMD_H
  20 #define GRUB_SCSICMD_H  1
  21
  22 #include <grub/types.h>
  23
  24 #define GRUB_SCSI_DEVTYPE_MASK  31
  25 #define GRUB_SCSI_REMOVABLE_BIT 7
  26 #define GRUB_SCSI_LUN_SHIFT     5
  27
  28 struct grub_scsi_inquiry
  29 {
  30   grub_uint8_t opcode;
  31   grub_uint8_t lun;
  32   grub_uint16_t reserved;
  33   grub_uint16_t alloc_length;
  34   grub_uint8_t reserved2;
  35   grub_uint8_t pad[5];
  36 } __attribute__((packed));
  37
  38 struct grub_scsi_inquiry_data
  39 {
  40   grub_uint8_t devtype;
  41   grub_uint8_t rmb;
  42   grub_uint16_t reserved;
  43   grub_uint8_t length;
  44   grub_uint8_t reserved2[3];
  45   char vendor[8];
  46   char prodid[16];
  47   char prodrev[4];
  48 } __attribute__((packed));
  49
  50 struct grub_scsi_read_capacity
  51 {
  52   grub_uint8_t opcode;
  53   grub_uint8_t lun;
  54   grub_uint8_t reserved[8];
  55   grub_uint8_t pad[2];
  56 } __attribute__((packed));
  57
  58 struct grub_scsi_read_capacity_data
  59 {
  60   grub_uint32_t size;
  61   grub_uint32_t blocksize;
  62 } __attribute__((packed));
  63
  64 struct grub_scsi_read10
  65 {
  66   grub_uint8_t opcode;
  67   grub_uint8_t lun;
  68   grub_uint32_t lba;
  69   grub_uint8_t reserved;
  70   grub_uint16_t size;
  71   grub_uint8_t reserved2;
  72   grub_uint16_t pad;
  73 } __attribute__((packed));
  74
  75 struct grub_scsi_read12
  76 {
  77   grub_uint8_t opcode;
  78   grub_uint8_t lun;
  79   grub_uint32_t lba;
  80   grub_uint32_t size;
  81   grub_uint8_t reserved;
  82   grub_uint8_t control;
  83 } __attribute__((packed));
  84
  85 struct grub_scsi_write10
  86 {
  87   grub_uint8_t opcode;
  88   grub_uint8_t lun;
  89   grub_uint32_t lba;
  90   grub_uint8_t reserved;
  91   grub_uint16_t size;
  92   grub_uint8_t reserved2;
  93   grub_uint16_t pad;
  94 } __attribute__((packed));
  95
  96 struct grub_scsi_write12
  97 {
  98   grub_uint8_t opcode;
  99   grub_uint8_t lun;
 100   grub_uint32_t lba;
 101   grub_uint32_t size;
 102   grub_uint8_t reserved;
 103   grub_uint8_t control;
 104 } __attribute__((packed));
 105
 106 typedef enum
 107   {
 108     grub_scsi_cmd_inquiry = 0x12,
 109     grub_scsi_cmd_read_capacity = 0x25,
 110     grub_scsi_cmd_read10 = 0x28,
 111     grub_scsi_cmd_write10 = 0x2a,
 112     grub_scsi_cmd_read12 = 0xa8,
 113     grub_scsi_cmd_write12 = 0xaa
 114   } grub_scsi_cmd_t;
 115
 116 typedef enum
 117   {
 118     grub_scsi_devtype_direct = 0x00,
 119     grub_scsi_devtype_cdrom = 0x05
 120   } grub_scsi_devtype_t;
 121
 122 #endif /* GRUB_SCSICMD_H */