drivers/scsi/aic7xxx/aiclib.h

   1 /*
   2  * Largely written by Julian Elischer (julian@tfs.com)
   3  * for TRW Financial Systems.
   4  *
   5  * TRW Financial Systems, in accordance with their agreement with Carnegie
   6  * Mellon University, makes this software available to CMU to distribute
   7  * or use in any manner that they see fit as long as this message is kept with
   8  * the software. For this reason TFS also grants any other persons or
   9  * organisations permission to use or modify this software.
  10  *
  11  * TFS supplies this software to be publicly redistributed
  12  * on the understanding that TFS is not responsible for the correct
  13  * functioning of this software in any circumstances.
  14  *
  15  * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
  16  *
  17  * $FreeBSD: src/sys/cam/scsi/scsi_all.h,v 1.21 2002/10/08 17:12:44 ken Exp $
  18  *
  19  * Copyright (c) 2003 Adaptec Inc.
  20  * All rights reserved.
  21  *
  22  * Redistribution and use in source and binary forms, with or without
  23  * modification, are permitted provided that the following conditions
  24  * are met:
  25  * 1. Redistributions of source code must retain the above copyright
  26  *    notice, this list of conditions, and the following disclaimer,
  27  *    without modification.
  28  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  29  *    substantially similar to the "NO WARRANTY" disclaimer below
  30  *    ("Disclaimer") and any redistribution must be conditioned upon
  31  *    including a substantially similar Disclaimer requirement for further
  32  *    binary redistribution.
  33  * 3. Neither the names of the above-listed copyright holders nor the names
  34  *    of any contributors may be used to endorse or promote products derived
  35  *    from this software without specific prior written permission.
  36  *
  37  * Alternatively, this software may be distributed under the terms of the
  38  * GNU General Public License ("GPL") version 2 as published by the Free
  39  * Software Foundation.
  40  *
  41  * NO WARRANTY
  42  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  43  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  44  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  45  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  46  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  50  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  51  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  52  * POSSIBILITY OF SUCH DAMAGES.
  53  *
  54  * $Id$
  55  */
  56
  57 #ifndef _AICLIB_H
  58 #define _AICLIB_H
  59
  60 struct scsi_sense
  61 {
  62         uint8_t opcode;
  63         uint8_t byte2;
  64         uint8_t unused[2];
  65         uint8_t length;
  66         uint8_t control;
  67 };
  68
  69 #define         SCSI_REV_0              0
  70 #define         SCSI_REV_CCS            1
  71 #define         SCSI_REV_2              2
  72 #define         SCSI_REV_SPC            3
  73 #define         SCSI_REV_SPC2           4
  74
  75 struct scsi_sense_data
  76 {
  77         uint8_t error_code;
  78 #define SSD_ERRCODE                     0x7F
  79 #define         SSD_CURRENT_ERROR       0x70
  80 #define         SSD_DEFERRED_ERROR      0x71
  81 #define SSD_ERRCODE_VALID       0x80
  82         uint8_t segment;
  83         uint8_t flags;
  84 #define SSD_KEY                         0x0F
  85 #define         SSD_KEY_NO_SENSE        0x00
  86 #define         SSD_KEY_RECOVERED_ERROR 0x01
  87 #define         SSD_KEY_NOT_READY       0x02
  88 #define         SSD_KEY_MEDIUM_ERROR    0x03
  89 #define         SSD_KEY_HARDWARE_ERROR  0x04
  90 #define         SSD_KEY_ILLEGAL_REQUEST 0x05
  91 #define         SSD_KEY_UNIT_ATTENTION  0x06
  92 #define         SSD_KEY_DATA_PROTECT    0x07
  93 #define         SSD_KEY_BLANK_CHECK     0x08
  94 #define         SSD_KEY_Vendor_Specific 0x09
  95 #define         SSD_KEY_COPY_ABORTED    0x0a
  96 #define         SSD_KEY_ABORTED_COMMAND 0x0b
  97 #define         SSD_KEY_EQUAL           0x0c
  98 #define         SSD_KEY_VOLUME_OVERFLOW 0x0d
  99 #define         SSD_KEY_MISCOMPARE      0x0e
 100 #define         SSD_KEY_RESERVED        0x0f
 101 #define SSD_ILI         0x20
 102 #define SSD_EOM         0x40
 103 #define SSD_FILEMARK    0x80
 104         uint8_t info[4];
 105         uint8_t extra_len;
 106         uint8_t cmd_spec_info[4];
 107         uint8_t add_sense_code;
 108         uint8_t add_sense_code_qual;
 109         uint8_t fru;
 110         uint8_t sense_key_spec[3];
 111 #define SSD_SCS_VALID           0x80
 112 #define SSD_FIELDPTR_CMD        0x40
 113 #define SSD_BITPTR_VALID        0x08
 114 #define SSD_BITPTR_VALUE        0x07
 115 #define SSD_MIN_SIZE 18
 116         uint8_t extra_bytes[14];
 117 #define SSD_FULL_SIZE sizeof(struct scsi_sense_data)
 118 };
 119
 120 /*
 121  * Status Byte
 122  */
 123 #define SCSI_STATUS_OK                  0x00
 124 #define SCSI_STATUS_CHECK_COND          0x02
 125 #define SCSI_STATUS_COND_MET            0x04
 126 #define SCSI_STATUS_BUSY                0x08
 127 #define SCSI_STATUS_INTERMED            0x10
 128 #define SCSI_STATUS_INTERMED_COND_MET   0x14
 129 #define SCSI_STATUS_RESERV_CONFLICT     0x18
 130 #define SCSI_STATUS_CMD_TERMINATED      0x22    /* Obsolete in SAM-2 */
 131 #define SCSI_STATUS_QUEUE_FULL          0x28
 132 #define SCSI_STATUS_ACA_ACTIVE          0x30
 133 #define SCSI_STATUS_TASK_ABORTED        0x40
 134
 135 /************************* Large Disk Handling ********************************/
 136 static __inline int
 137 aic_sector_div(sector_t capacity, int heads, int sectors)
 138 {
 139         /* ugly, ugly sector_div calling convention.. */
 140         sector_div(capacity, (heads * sectors));
 141         return (int)capacity;
 142 }
 143
 144 static __inline uint32_t
 145 scsi_4btoul(uint8_t *bytes)
 146 {
 147         uint32_t rv;
 148
 149         rv = (bytes[0] << 24) |
 150              (bytes[1] << 16) |
 151              (bytes[2] << 8) |
 152              bytes[3];
 153         return (rv);
 154 }
 155
 156 /* Macros for generating the elements of the PCI ID tables. */
 157
 158 #define GETID(v, s) (unsigned)(((v) >> (s)) & 0xFFFF ?: PCI_ANY_ID)
 159
 160 #define ID_C(x, c)                                              \
 161 {                                                               \
 162         GETID(x,32), GETID(x,48), GETID(x,0), GETID(x,16),      \
 163         (c) << 8, 0xFFFF00, 0                                   \
 164 }
 165
 166 #define ID2C(x)                          \
 167         ID_C(x, PCI_CLASS_STORAGE_SCSI), \
 168         ID_C(x, PCI_CLASS_STORAGE_RAID)
 169
 170 #define IDIROC(x)  ((x) | ~ID_ALL_IROC_MASK)
 171
 172 /* Generate IDs for all 16 possibilites.
 173  * The argument has already masked out
 174  * the 4 least significant bits of the device id.
 175  * (e.g., mask: ID_9005_GENERIC_MASK).
 176  */
 177 #define ID16(x)                          \
 178         ID(x),                           \
 179         ID((x) | 0x0001000000000000ull), \
 180         ID((x) | 0x0002000000000000ull), \
 181         ID((x) | 0x0003000000000000ull), \
 182         ID((x) | 0x0004000000000000ull), \
 183         ID((x) | 0x0005000000000000ull), \
 184         ID((x) | 0x0006000000000000ull), \
 185         ID((x) | 0x0007000000000000ull), \
 186         ID((x) | 0x0008000000000000ull), \
 187         ID((x) | 0x0009000000000000ull), \
 188         ID((x) | 0x000A000000000000ull), \
 189         ID((x) | 0x000B000000000000ull), \
 190         ID((x) | 0x000C000000000000ull), \
 191         ID((x) | 0x000D000000000000ull), \
 192         ID((x) | 0x000E000000000000ull), \
 193         ID((x) | 0x000F000000000000ull)
 194
 195 #endif /*_AICLIB_H */