mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
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scsi.h in kernel packages
This commit is contained in:
Mike Staszel
parent
e1e5b5e143
commit
9bf7027cb2
4 changed files with 1061 additions and 5 deletions
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@ -1,10 +1,11 @@
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# Maintainer: Mike Staszel <mikestaszel@gmail.com>
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# This PKGBUILD makes a kernel for the DockStar with aholler's LED patches.
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# It also includes scsi.h from http://lxr.linux.no/linux+v2.6.36/include/scsi/
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pkgname=kernel26-dockstar
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pkgver=2.6.36
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pkgrel=2
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pkgrel=3
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pkgdesc="The Linux Kernel and modules with DockStar LEDs"
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arch=('arm')
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license=('GPL2')
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@ -18,12 +19,14 @@ source=(http://www.kernel.org/pub/linux/kernel/v2.6/linux-$pkgver.tar.bz2
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dockstar-2.6.35.4.config
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0001-MTD-partitons-used-by-the-Seagate-FreeAgent-DockStar.patch
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0002-LED-definitions-for-the-Seagate-FreeAgent-DockStar.patch
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0003-Change-board-name-for-the-SheevaPlug-to-reflect-the-.patch)
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0003-Change-board-name-for-the-SheevaPlug-to-reflect-the-.patch
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scsi.h)
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md5sums=('61f3739a73afb6914cb007f37fb09b62'
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'2ef2ffc70856cd8e91816973760833c5'
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'0ed85186b0b5446c4afbbc45639a7466'
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'e81eae381cc2c282d169c879cc4da54b'
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'75287077b9a0105156977acb85d57546')
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'75287077b9a0105156977acb85d57546'
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'4e6a77d9f8ebc242eb3b7694cf86643b')
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LDFLAGS=""
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build() {
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@ -55,4 +58,9 @@ build() {
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# Remove the symlink to the build machine's build directory
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rm $pkgdir/lib/modules/$pkgver-dockstar/build
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# Hack to put in scsi.h
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mkdir -p $pkgdir/usr/include/scsi
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cp $srcdir/scsi.h $pkgdir/usr/include/scsi/
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}
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521
core/kernel26-dockstar/scsi.h
Normal file
521
core/kernel26-dockstar/scsi.h
Normal file
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@ -0,0 +1,521 @@
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/*
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* This header file contains public constants and structures used by
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* the scsi code for linux.
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*
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* For documentation on the OPCODES, MESSAGES, and SENSE values,
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* please consult the SCSI standard.
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*/
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#ifndef _SCSI_SCSI_H
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#define _SCSI_SCSI_H
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#include <linux/types.h>
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struct scsi_cmnd;
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/*
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* The maximum number of SG segments that we will put inside a
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* scatterlist (unless chaining is used). Should ideally fit inside a
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* single page, to avoid a higher order allocation. We could define this
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* to SG_MAX_SINGLE_ALLOC to pack correctly at the highest order. The
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* minimum value is 32
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*/
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#define SCSI_MAX_SG_SEGMENTS 128
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/*
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* Like SCSI_MAX_SG_SEGMENTS, but for archs that have sg chaining. This limit
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* is totally arbitrary, a setting of 2048 will get you at least 8mb ios.
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*/
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#ifdef ARCH_HAS_SG_CHAIN
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#define SCSI_MAX_SG_CHAIN_SEGMENTS 2048
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#else
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#define SCSI_MAX_SG_CHAIN_SEGMENTS SCSI_MAX_SG_SEGMENTS
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#endif
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/*
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* Special value for scanning to specify scanning or rescanning of all
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* possible channels, (target) ids, or luns on a given shost.
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*/
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#define SCAN_WILD_CARD ~0
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/*
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* SCSI opcodes
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*/
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#define TEST_UNIT_READY 0x00
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#define REZERO_UNIT 0x01
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#define REQUEST_SENSE 0x03
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#define FORMAT_UNIT 0x04
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#define READ_BLOCK_LIMITS 0x05
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#define REASSIGN_BLOCKS 0x07
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#define INITIALIZE_ELEMENT_STATUS 0x07
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#define READ_6 0x08
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#define WRITE_6 0x0a
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#define SEEK_6 0x0b
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#define READ_REVERSE 0x0f
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#define WRITE_FILEMARKS 0x10
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#define SPACE 0x11
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#define INQUIRY 0x12
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#define RECOVER_BUFFERED_DATA 0x14
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#define MODE_SELECT 0x15
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#define RESERVE 0x16
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#define RELEASE 0x17
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#define COPY 0x18
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#define ERASE 0x19
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#define MODE_SENSE 0x1a
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#define START_STOP 0x1b
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#define RECEIVE_DIAGNOSTIC 0x1c
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#define SEND_DIAGNOSTIC 0x1d
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#define ALLOW_MEDIUM_REMOVAL 0x1e
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#define SET_WINDOW 0x24
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#define READ_CAPACITY 0x25
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#define READ_10 0x28
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#define WRITE_10 0x2a
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#define SEEK_10 0x2b
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#define POSITION_TO_ELEMENT 0x2b
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#define WRITE_VERIFY 0x2e
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#define VERIFY 0x2f
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#define SEARCH_HIGH 0x30
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#define SEARCH_EQUAL 0x31
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#define SEARCH_LOW 0x32
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#define SET_LIMITS 0x33
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#define PRE_FETCH 0x34
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#define READ_POSITION 0x34
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#define SYNCHRONIZE_CACHE 0x35
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#define LOCK_UNLOCK_CACHE 0x36
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#define READ_DEFECT_DATA 0x37
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#define MEDIUM_SCAN 0x38
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#define COMPARE 0x39
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#define COPY_VERIFY 0x3a
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#define WRITE_BUFFER 0x3b
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#define READ_BUFFER 0x3c
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#define UPDATE_BLOCK 0x3d
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#define READ_LONG 0x3e
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#define WRITE_LONG 0x3f
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#define CHANGE_DEFINITION 0x40
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#define WRITE_SAME 0x41
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#define UNMAP 0x42
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#define READ_TOC 0x43
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#define LOG_SELECT 0x4c
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#define LOG_SENSE 0x4d
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#define XDWRITEREAD_10 0x53
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#define MODE_SELECT_10 0x55
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#define RESERVE_10 0x56
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#define RELEASE_10 0x57
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#define MODE_SENSE_10 0x5a
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#define PERSISTENT_RESERVE_IN 0x5e
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#define PERSISTENT_RESERVE_OUT 0x5f
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#define VARIABLE_LENGTH_CMD 0x7f
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#define REPORT_LUNS 0xa0
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#define MAINTENANCE_IN 0xa3
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#define MAINTENANCE_OUT 0xa4
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#define MOVE_MEDIUM 0xa5
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#define EXCHANGE_MEDIUM 0xa6
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#define READ_12 0xa8
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#define WRITE_12 0xaa
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#define WRITE_VERIFY_12 0xae
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#define VERIFY_12 0xaf
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#define SEARCH_HIGH_12 0xb0
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#define SEARCH_EQUAL_12 0xb1
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#define SEARCH_LOW_12 0xb2
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#define READ_ELEMENT_STATUS 0xb8
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#define SEND_VOLUME_TAG 0xb6
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#define WRITE_LONG_2 0xea
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#define READ_16 0x88
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#define WRITE_16 0x8a
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#define VERIFY_16 0x8f
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#define WRITE_SAME_16 0x93
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#define SERVICE_ACTION_IN 0x9e
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/* values for service action in */
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#define SAI_READ_CAPACITY_16 0x10
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#define SAI_GET_LBA_STATUS 0x12
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/* values for maintenance in */
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#define MI_REPORT_TARGET_PGS 0x0a
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/* values for maintenance out */
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#define MO_SET_TARGET_PGS 0x0a
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/* values for variable length command */
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#define READ_32 0x09
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#define VERIFY_32 0x0a
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#define WRITE_32 0x0b
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#define WRITE_SAME_32 0x0d
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/* Values for T10/04-262r7 */
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#define ATA_16 0x85 /* 16-byte pass-thru */
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#define ATA_12 0xa1 /* 12-byte pass-thru */
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/*
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* SCSI command lengths
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*/
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#define SCSI_MAX_VARLEN_CDB_SIZE 260
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/* defined in T10 SCSI Primary Commands-2 (SPC2) */
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struct scsi_varlen_cdb_hdr {
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__u8 opcode; /* opcode always == VARIABLE_LENGTH_CMD */
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__u8 control;
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__u8 misc[5];
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__u8 additional_cdb_length; /* total cdb length - 8 */
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__be16 service_action;
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/* service specific data follows */
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};
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static inline unsigned
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scsi_varlen_cdb_length(const void *hdr)
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{
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return ((struct scsi_varlen_cdb_hdr *)hdr)->additional_cdb_length + 8;
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}
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extern const unsigned char scsi_command_size_tbl[8];
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#define COMMAND_SIZE(opcode) scsi_command_size_tbl[((opcode) >> 5) & 7]
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static inline unsigned
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scsi_command_size(const unsigned char *cmnd)
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{
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return (cmnd[0] == VARIABLE_LENGTH_CMD) ?
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scsi_varlen_cdb_length(cmnd) : COMMAND_SIZE(cmnd[0]);
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}
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/*
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* SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft
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* T10/1561-D Revision 4 Draft dated 7th November 2002.
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*/
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#define SAM_STAT_GOOD 0x00
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#define SAM_STAT_CHECK_CONDITION 0x02
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#define SAM_STAT_CONDITION_MET 0x04
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#define SAM_STAT_BUSY 0x08
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#define SAM_STAT_INTERMEDIATE 0x10
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#define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14
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#define SAM_STAT_RESERVATION_CONFLICT 0x18
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#define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */
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#define SAM_STAT_TASK_SET_FULL 0x28
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#define SAM_STAT_ACA_ACTIVE 0x30
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#define SAM_STAT_TASK_ABORTED 0x40
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/** scsi_status_is_good - check the status return.
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*
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* @status: the status passed up from the driver (including host and
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* driver components)
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*
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* This returns true for known good conditions that may be treated as
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* command completed normally
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*/
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static inline int scsi_status_is_good(int status)
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{
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/*
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* FIXME: bit0 is listed as reserved in SCSI-2, but is
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* significant in SCSI-3. For now, we follow the SCSI-2
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* behaviour and ignore reserved bits.
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*/
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status &= 0xfe;
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return ((status == SAM_STAT_GOOD) ||
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(status == SAM_STAT_INTERMEDIATE) ||
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(status == SAM_STAT_INTERMEDIATE_CONDITION_MET) ||
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/* FIXME: this is obsolete in SAM-3 */
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(status == SAM_STAT_COMMAND_TERMINATED));
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}
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/*
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* Status codes. These are deprecated as they are shifted 1 bit right
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* from those found in the SCSI standards. This causes confusion for
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* applications that are ported to several OSes. Prefer SAM Status codes
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* above.
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*/
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#define GOOD 0x00
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#define CHECK_CONDITION 0x01
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#define CONDITION_GOOD 0x02
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#define BUSY 0x04
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#define INTERMEDIATE_GOOD 0x08
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#define INTERMEDIATE_C_GOOD 0x0a
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#define RESERVATION_CONFLICT 0x0c
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#define COMMAND_TERMINATED 0x11
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#define QUEUE_FULL 0x14
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#define ACA_ACTIVE 0x18
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#define TASK_ABORTED 0x20
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#define STATUS_MASK 0xfe
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/*
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* SENSE KEYS
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*/
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#define NO_SENSE 0x00
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#define RECOVERED_ERROR 0x01
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#define NOT_READY 0x02
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#define MEDIUM_ERROR 0x03
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#define HARDWARE_ERROR 0x04
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#define ILLEGAL_REQUEST 0x05
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#define UNIT_ATTENTION 0x06
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#define DATA_PROTECT 0x07
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#define BLANK_CHECK 0x08
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#define COPY_ABORTED 0x0a
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#define ABORTED_COMMAND 0x0b
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#define VOLUME_OVERFLOW 0x0d
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#define MISCOMPARE 0x0e
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/*
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* DEVICE TYPES
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* Please keep them in 0x%02x format for $MODALIAS to work
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*/
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#define TYPE_DISK 0x00
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#define TYPE_TAPE 0x01
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#define TYPE_PRINTER 0x02
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#define TYPE_PROCESSOR 0x03 /* HP scanners use this */
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#define TYPE_WORM 0x04 /* Treated as ROM by our system */
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#define TYPE_ROM 0x05
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#define TYPE_SCANNER 0x06
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#define TYPE_MOD 0x07 /* Magneto-optical disk -
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* - treated as TYPE_DISK */
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#define TYPE_MEDIUM_CHANGER 0x08
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#define TYPE_COMM 0x09 /* Communications device */
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#define TYPE_RAID 0x0c
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#define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */
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#define TYPE_RBC 0x0e
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#define TYPE_OSD 0x11
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#define TYPE_NO_LUN 0x7f
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/* SCSI protocols; these are taken from SPC-3 section 7.5 */
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enum scsi_protocol {
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SCSI_PROTOCOL_FCP = 0, /* Fibre Channel */
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SCSI_PROTOCOL_SPI = 1, /* parallel SCSI */
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SCSI_PROTOCOL_SSA = 2, /* Serial Storage Architecture - Obsolete */
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SCSI_PROTOCOL_SBP = 3, /* firewire */
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SCSI_PROTOCOL_SRP = 4, /* Infiniband RDMA */
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SCSI_PROTOCOL_ISCSI = 5,
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SCSI_PROTOCOL_SAS = 6,
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SCSI_PROTOCOL_ADT = 7, /* Media Changers */
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SCSI_PROTOCOL_ATA = 8,
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SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */
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};
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/* Returns a human-readable name for the device */
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extern const char * scsi_device_type(unsigned type);
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/*
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* standard mode-select header prepended to all mode-select commands
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*/
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struct ccs_modesel_head {
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__u8 _r1; /* reserved */
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__u8 medium; /* device-specific medium type */
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__u8 _r2; /* reserved */
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__u8 block_desc_length; /* block descriptor length */
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__u8 density; /* device-specific density code */
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__u8 number_blocks_hi; /* number of blocks in this block desc */
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__u8 number_blocks_med;
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__u8 number_blocks_lo;
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__u8 _r3;
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__u8 block_length_hi; /* block length for blocks in this desc */
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__u8 block_length_med;
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__u8 block_length_lo;
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};
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/*
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* ScsiLun: 8 byte LUN.
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*/
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struct scsi_lun {
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__u8 scsi_lun[8];
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};
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/*
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* The Well Known LUNS (SAM-3) in our int representation of a LUN
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*/
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#define SCSI_W_LUN_BASE 0xc100
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#define SCSI_W_LUN_REPORT_LUNS (SCSI_W_LUN_BASE + 1)
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#define SCSI_W_LUN_ACCESS_CONTROL (SCSI_W_LUN_BASE + 2)
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#define SCSI_W_LUN_TARGET_LOG_PAGE (SCSI_W_LUN_BASE + 3)
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static inline int scsi_is_wlun(unsigned int lun)
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{
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return (lun & 0xff00) == SCSI_W_LUN_BASE;
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}
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/*
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* MESSAGE CODES
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*/
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#define COMMAND_COMPLETE 0x00
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#define EXTENDED_MESSAGE 0x01
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#define EXTENDED_MODIFY_DATA_POINTER 0x00
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#define EXTENDED_SDTR 0x01
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#define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */
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#define EXTENDED_WDTR 0x03
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#define EXTENDED_PPR 0x04
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#define EXTENDED_MODIFY_BIDI_DATA_PTR 0x05
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#define SAVE_POINTERS 0x02
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#define RESTORE_POINTERS 0x03
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#define DISCONNECT 0x04
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#define INITIATOR_ERROR 0x05
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#define ABORT_TASK_SET 0x06
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#define MESSAGE_REJECT 0x07
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#define NOP 0x08
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#define MSG_PARITY_ERROR 0x09
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#define LINKED_CMD_COMPLETE 0x0a
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#define LINKED_FLG_CMD_COMPLETE 0x0b
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#define TARGET_RESET 0x0c
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#define ABORT_TASK 0x0d
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#define CLEAR_TASK_SET 0x0e
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#define INITIATE_RECOVERY 0x0f /* SCSI-II only */
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#define RELEASE_RECOVERY 0x10 /* SCSI-II only */
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#define CLEAR_ACA 0x16
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#define LOGICAL_UNIT_RESET 0x17
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#define SIMPLE_QUEUE_TAG 0x20
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#define HEAD_OF_QUEUE_TAG 0x21
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#define ORDERED_QUEUE_TAG 0x22
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#define IGNORE_WIDE_RESIDUE 0x23
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#define ACA 0x24
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#define QAS_REQUEST 0x55
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/* Old SCSI2 names, don't use in new code */
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#define BUS_DEVICE_RESET TARGET_RESET
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#define ABORT ABORT_TASK_SET
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/*
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* Host byte codes
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*/
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#define DID_OK 0x00 /* NO error */
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#define DID_NO_CONNECT 0x01 /* Couldn't connect before timeout period */
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#define DID_BUS_BUSY 0x02 /* BUS stayed busy through time out period */
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#define DID_TIME_OUT 0x03 /* TIMED OUT for other reason */
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#define DID_BAD_TARGET 0x04 /* BAD target. */
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#define DID_ABORT 0x05 /* Told to abort for some other reason */
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#define DID_PARITY 0x06 /* Parity error */
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#define DID_ERROR 0x07 /* Internal error */
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#define DID_RESET 0x08 /* Reset by somebody. */
|
||||
#define DID_BAD_INTR 0x09 /* Got an interrupt we weren't expecting. */
|
||||
#define DID_PASSTHROUGH 0x0a /* Force command past mid-layer */
|
||||
#define DID_SOFT_ERROR 0x0b /* The low level driver just wish a retry */
|
||||
#define DID_IMM_RETRY 0x0c /* Retry without decrementing retry count */
|
||||
#define DID_REQUEUE 0x0d /* Requeue command (no immediate retry) also
|
||||
* without decrementing the retry count */
|
||||
#define DID_TRANSPORT_DISRUPTED 0x0e /* Transport error disrupted execution
|
||||
* and the driver blocked the port to
|
||||
* recover the link. Transport class will
|
||||
* retry or fail IO */
|
||||
#define DID_TRANSPORT_FAILFAST 0x0f /* Transport class fastfailed the io */
|
||||
#define DRIVER_OK 0x00 /* Driver status */
|
||||
|
||||
/*
|
||||
* These indicate the error that occurred, and what is available.
|
||||
*/
|
||||
|
||||
#define DRIVER_BUSY 0x01
|
||||
#define DRIVER_SOFT 0x02
|
||||
#define DRIVER_MEDIA 0x03
|
||||
#define DRIVER_ERROR 0x04
|
||||
|
||||
#define DRIVER_INVALID 0x05
|
||||
#define DRIVER_TIMEOUT 0x06
|
||||
#define DRIVER_HARD 0x07
|
||||
#define DRIVER_SENSE 0x08
|
||||
|
||||
/*
|
||||
* Internal return values.
|
||||
*/
|
||||
|
||||
#define NEEDS_RETRY 0x2001
|
||||
#define SUCCESS 0x2002
|
||||
#define FAILED 0x2003
|
||||
#define QUEUED 0x2004
|
||||
#define SOFT_ERROR 0x2005
|
||||
#define ADD_TO_MLQUEUE 0x2006
|
||||
#define TIMEOUT_ERROR 0x2007
|
||||
#define SCSI_RETURN_NOT_HANDLED 0x2008
|
||||
#define FAST_IO_FAIL 0x2009
|
||||
|
||||
/*
|
||||
* Midlevel queue return values.
|
||||
*/
|
||||
#define SCSI_MLQUEUE_HOST_BUSY 0x1055
|
||||
#define SCSI_MLQUEUE_DEVICE_BUSY 0x1056
|
||||
#define SCSI_MLQUEUE_EH_RETRY 0x1057
|
||||
#define SCSI_MLQUEUE_TARGET_BUSY 0x1058
|
||||
|
||||
/*
|
||||
* Use these to separate status msg and our bytes
|
||||
*
|
||||
* These are set by:
|
||||
*
|
||||
* status byte = set from target device
|
||||
* msg_byte = return status from host adapter itself.
|
||||
* host_byte = set by low-level driver to indicate status.
|
||||
* driver_byte = set by mid-level.
|
||||
*/
|
||||
#define status_byte(result) (((result) >> 1) & 0x7f)
|
||||
#define msg_byte(result) (((result) >> 8) & 0xff)
|
||||
#define host_byte(result) (((result) >> 16) & 0xff)
|
||||
#define driver_byte(result) (((result) >> 24) & 0xff)
|
||||
|
||||
#define sense_class(sense) (((sense) >> 4) & 0x7)
|
||||
#define sense_error(sense) ((sense) & 0xf)
|
||||
#define sense_valid(sense) ((sense) & 0x80);
|
||||
|
||||
/*
|
||||
* default timeouts
|
||||
*/
|
||||
#define FORMAT_UNIT_TIMEOUT (2 * 60 * 60 * HZ)
|
||||
#define START_STOP_TIMEOUT (60 * HZ)
|
||||
#define MOVE_MEDIUM_TIMEOUT (5 * 60 * HZ)
|
||||
#define READ_ELEMENT_STATUS_TIMEOUT (5 * 60 * HZ)
|
||||
#define READ_DEFECT_DATA_TIMEOUT (60 * HZ )
|
||||
|
||||
|
||||
#define IDENTIFY_BASE 0x80
|
||||
#define IDENTIFY(can_disconnect, lun) (IDENTIFY_BASE |\
|
||||
((can_disconnect) ? 0x40 : 0) |\
|
||||
((lun) & 0x07))
|
||||
|
||||
/*
|
||||
* struct scsi_device::scsi_level values. For SCSI devices other than those
|
||||
* prior to SCSI-2 (i.e. over 12 years old) this value is (resp[2] + 1)
|
||||
* where "resp" is a byte array of the response to an INQUIRY. The scsi_level
|
||||
* variable is visible to the user via sysfs.
|
||||
*/
|
||||
|
||||
#define SCSI_UNKNOWN 0
|
||||
#define SCSI_1 1
|
||||
#define SCSI_1_CCS 2
|
||||
#define SCSI_2 3
|
||||
#define SCSI_3 4 /* SPC */
|
||||
#define SCSI_SPC_2 5
|
||||
#define SCSI_SPC_3 6
|
||||
|
||||
/*
|
||||
* INQ PERIPHERAL QUALIFIERS
|
||||
*/
|
||||
#define SCSI_INQ_PQ_CON 0x00
|
||||
#define SCSI_INQ_PQ_NOT_CON 0x01
|
||||
#define SCSI_INQ_PQ_NOT_CAP 0x03
|
||||
|
||||
|
||||
/*
|
||||
* Here are some scsi specific ioctl commands which are sometimes useful.
|
||||
*
|
||||
* Note that include/linux/cdrom.h also defines IOCTL 0x5300 - 0x5395
|
||||
*/
|
||||
|
||||
/* Used to obtain PUN and LUN info. Conflicts with CDROMAUDIOBUFSIZ */
|
||||
#define SCSI_IOCTL_GET_IDLUN 0x5382
|
||||
|
||||
/* 0x5383 and 0x5384 were used for SCSI_IOCTL_TAGGED_{ENABLE,DISABLE} */
|
||||
|
||||
/* Used to obtain the host number of a device. */
|
||||
#define SCSI_IOCTL_PROBE_HOST 0x5385
|
||||
|
||||
/* Used to obtain the bus number for a device */
|
||||
#define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
|
||||
|
||||
/* Used to obtain the PCI location of a device */
|
||||
#define SCSI_IOCTL_GET_PCI 0x5387
|
||||
|
||||
/* Pull a u32 out of a SCSI message (using BE SCSI conventions) */
|
||||
static inline __u32 scsi_to_u32(__u8 *ptr)
|
||||
{
|
||||
return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3];
|
||||
}
|
||||
|
||||
#endif /* _SCSI_SCSI_H */
|
||||
|
|
@ -15,9 +15,11 @@ conflicts=('kernel26')
|
|||
provides=('kernel26')
|
||||
install=kernel26-withlinux.install
|
||||
source=(http://www.kernel.org/pub/linux/kernel/v2.6/linux-$pkgver.tar.bz2
|
||||
http://sheeva.with-linux.com/sheeva/$pkgver/sheeva-$pkgver.config)
|
||||
http://sheeva.with-linux.com/sheeva/$pkgver/sheeva-$pkgver.config
|
||||
scsi.h)
|
||||
md5sums=('61f3739a73afb6914cb007f37fb09b62'
|
||||
'2018fee579704d17905476cfba79bdaf')
|
||||
'2018fee579704d17905476cfba79bdaf'
|
||||
'4e6a77d9f8ebc242eb3b7694cf86643b')
|
||||
LDFLAGS=""
|
||||
|
||||
build() {
|
||||
|
|
@ -36,4 +38,8 @@ build() {
|
|||
# Make and package kernel modules
|
||||
mkdir -p $pkgdir/{lib/modules,boot}
|
||||
make INSTALL_MOD_PATH=${pkgdir} modules_install || return 1
|
||||
|
||||
# Hack to put in scsi.h
|
||||
mkdir -p $pkgdir/usr/include/scsi
|
||||
cp $srcdir/scsi.h $pkgdir/usr/include/scsi/
|
||||
}
|
||||
|
|
|
|||
521
core/kernel26-withlinux/scsi.h
Normal file
521
core/kernel26-withlinux/scsi.h
Normal file
|
|
@ -0,0 +1,521 @@
|
|||
/*
|
||||
* This header file contains public constants and structures used by
|
||||
* the scsi code for linux.
|
||||
*
|
||||
* For documentation on the OPCODES, MESSAGES, and SENSE values,
|
||||
* please consult the SCSI standard.
|
||||
*/
|
||||
#ifndef _SCSI_SCSI_H
|
||||
#define _SCSI_SCSI_H
|
||||
|
||||
#include <linux/types.h>
|
||||
|
||||
struct scsi_cmnd;
|
||||
|
||||
/*
|
||||
* The maximum number of SG segments that we will put inside a
|
||||
* scatterlist (unless chaining is used). Should ideally fit inside a
|
||||
* single page, to avoid a higher order allocation. We could define this
|
||||
* to SG_MAX_SINGLE_ALLOC to pack correctly at the highest order. The
|
||||
* minimum value is 32
|
||||
*/
|
||||
#define SCSI_MAX_SG_SEGMENTS 128
|
||||
|
||||
/*
|
||||
* Like SCSI_MAX_SG_SEGMENTS, but for archs that have sg chaining. This limit
|
||||
* is totally arbitrary, a setting of 2048 will get you at least 8mb ios.
|
||||
*/
|
||||
#ifdef ARCH_HAS_SG_CHAIN
|
||||
#define SCSI_MAX_SG_CHAIN_SEGMENTS 2048
|
||||
#else
|
||||
#define SCSI_MAX_SG_CHAIN_SEGMENTS SCSI_MAX_SG_SEGMENTS
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Special value for scanning to specify scanning or rescanning of all
|
||||
* possible channels, (target) ids, or luns on a given shost.
|
||||
*/
|
||||
#define SCAN_WILD_CARD ~0
|
||||
|
||||
/*
|
||||
* SCSI opcodes
|
||||
*/
|
||||
|
||||
#define TEST_UNIT_READY 0x00
|
||||
#define REZERO_UNIT 0x01
|
||||
#define REQUEST_SENSE 0x03
|
||||
#define FORMAT_UNIT 0x04
|
||||
#define READ_BLOCK_LIMITS 0x05
|
||||
#define REASSIGN_BLOCKS 0x07
|
||||
#define INITIALIZE_ELEMENT_STATUS 0x07
|
||||
#define READ_6 0x08
|
||||
#define WRITE_6 0x0a
|
||||
#define SEEK_6 0x0b
|
||||
#define READ_REVERSE 0x0f
|
||||
#define WRITE_FILEMARKS 0x10
|
||||
#define SPACE 0x11
|
||||
#define INQUIRY 0x12
|
||||
#define RECOVER_BUFFERED_DATA 0x14
|
||||
#define MODE_SELECT 0x15
|
||||
#define RESERVE 0x16
|
||||
#define RELEASE 0x17
|
||||
#define COPY 0x18
|
||||
#define ERASE 0x19
|
||||
#define MODE_SENSE 0x1a
|
||||
#define START_STOP 0x1b
|
||||
#define RECEIVE_DIAGNOSTIC 0x1c
|
||||
#define SEND_DIAGNOSTIC 0x1d
|
||||
#define ALLOW_MEDIUM_REMOVAL 0x1e
|
||||
|
||||
#define SET_WINDOW 0x24
|
||||
#define READ_CAPACITY 0x25
|
||||
#define READ_10 0x28
|
||||
#define WRITE_10 0x2a
|
||||
#define SEEK_10 0x2b
|
||||
#define POSITION_TO_ELEMENT 0x2b
|
||||
#define WRITE_VERIFY 0x2e
|
||||
#define VERIFY 0x2f
|
||||
#define SEARCH_HIGH 0x30
|
||||
#define SEARCH_EQUAL 0x31
|
||||
#define SEARCH_LOW 0x32
|
||||
#define SET_LIMITS 0x33
|
||||
#define PRE_FETCH 0x34
|
||||
#define READ_POSITION 0x34
|
||||
#define SYNCHRONIZE_CACHE 0x35
|
||||
#define LOCK_UNLOCK_CACHE 0x36
|
||||
#define READ_DEFECT_DATA 0x37
|
||||
#define MEDIUM_SCAN 0x38
|
||||
#define COMPARE 0x39
|
||||
#define COPY_VERIFY 0x3a
|
||||
#define WRITE_BUFFER 0x3b
|
||||
#define READ_BUFFER 0x3c
|
||||
#define UPDATE_BLOCK 0x3d
|
||||
#define READ_LONG 0x3e
|
||||
#define WRITE_LONG 0x3f
|
||||
#define CHANGE_DEFINITION 0x40
|
||||
#define WRITE_SAME 0x41
|
||||
#define UNMAP 0x42
|
||||
#define READ_TOC 0x43
|
||||
#define LOG_SELECT 0x4c
|
||||
#define LOG_SENSE 0x4d
|
||||
#define XDWRITEREAD_10 0x53
|
||||
#define MODE_SELECT_10 0x55
|
||||
#define RESERVE_10 0x56
|
||||
#define RELEASE_10 0x57
|
||||
#define MODE_SENSE_10 0x5a
|
||||
#define PERSISTENT_RESERVE_IN 0x5e
|
||||
#define PERSISTENT_RESERVE_OUT 0x5f
|
||||
#define VARIABLE_LENGTH_CMD 0x7f
|
||||
#define REPORT_LUNS 0xa0
|
||||
#define MAINTENANCE_IN 0xa3
|
||||
#define MAINTENANCE_OUT 0xa4
|
||||
#define MOVE_MEDIUM 0xa5
|
||||
#define EXCHANGE_MEDIUM 0xa6
|
||||
#define READ_12 0xa8
|
||||
#define WRITE_12 0xaa
|
||||
#define WRITE_VERIFY_12 0xae
|
||||
#define VERIFY_12 0xaf
|
||||
#define SEARCH_HIGH_12 0xb0
|
||||
#define SEARCH_EQUAL_12 0xb1
|
||||
#define SEARCH_LOW_12 0xb2
|
||||
#define READ_ELEMENT_STATUS 0xb8
|
||||
#define SEND_VOLUME_TAG 0xb6
|
||||
#define WRITE_LONG_2 0xea
|
||||
#define READ_16 0x88
|
||||
#define WRITE_16 0x8a
|
||||
#define VERIFY_16 0x8f
|
||||
#define WRITE_SAME_16 0x93
|
||||
#define SERVICE_ACTION_IN 0x9e
|
||||
/* values for service action in */
|
||||
#define SAI_READ_CAPACITY_16 0x10
|
||||
#define SAI_GET_LBA_STATUS 0x12
|
||||
/* values for maintenance in */
|
||||
#define MI_REPORT_TARGET_PGS 0x0a
|
||||
/* values for maintenance out */
|
||||
#define MO_SET_TARGET_PGS 0x0a
|
||||
/* values for variable length command */
|
||||
#define READ_32 0x09
|
||||
#define VERIFY_32 0x0a
|
||||
#define WRITE_32 0x0b
|
||||
#define WRITE_SAME_32 0x0d
|
||||
|
||||
/* Values for T10/04-262r7 */
|
||||
#define ATA_16 0x85 /* 16-byte pass-thru */
|
||||
#define ATA_12 0xa1 /* 12-byte pass-thru */
|
||||
|
||||
/*
|
||||
* SCSI command lengths
|
||||
*/
|
||||
|
||||
#define SCSI_MAX_VARLEN_CDB_SIZE 260
|
||||
|
||||
/* defined in T10 SCSI Primary Commands-2 (SPC2) */
|
||||
struct scsi_varlen_cdb_hdr {
|
||||
__u8 opcode; /* opcode always == VARIABLE_LENGTH_CMD */
|
||||
__u8 control;
|
||||
__u8 misc[5];
|
||||
__u8 additional_cdb_length; /* total cdb length - 8 */
|
||||
__be16 service_action;
|
||||
/* service specific data follows */
|
||||
};
|
||||
|
||||
static inline unsigned
|
||||
scsi_varlen_cdb_length(const void *hdr)
|
||||
{
|
||||
return ((struct scsi_varlen_cdb_hdr *)hdr)->additional_cdb_length + 8;
|
||||
}
|
||||
|
||||
extern const unsigned char scsi_command_size_tbl[8];
|
||||
#define COMMAND_SIZE(opcode) scsi_command_size_tbl[((opcode) >> 5) & 7]
|
||||
|
||||
static inline unsigned
|
||||
scsi_command_size(const unsigned char *cmnd)
|
||||
{
|
||||
return (cmnd[0] == VARIABLE_LENGTH_CMD) ?
|
||||
scsi_varlen_cdb_length(cmnd) : COMMAND_SIZE(cmnd[0]);
|
||||
}
|
||||
|
||||
/*
|
||||
* SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft
|
||||
* T10/1561-D Revision 4 Draft dated 7th November 2002.
|
||||
*/
|
||||
#define SAM_STAT_GOOD 0x00
|
||||
#define SAM_STAT_CHECK_CONDITION 0x02
|
||||
#define SAM_STAT_CONDITION_MET 0x04
|
||||
#define SAM_STAT_BUSY 0x08
|
||||
#define SAM_STAT_INTERMEDIATE 0x10
|
||||
#define SAM_STAT_INTERMEDIATE_CONDITION_MET 0x14
|
||||
#define SAM_STAT_RESERVATION_CONFLICT 0x18
|
||||
#define SAM_STAT_COMMAND_TERMINATED 0x22 /* obsolete in SAM-3 */
|
||||
#define SAM_STAT_TASK_SET_FULL 0x28
|
||||
#define SAM_STAT_ACA_ACTIVE 0x30
|
||||
#define SAM_STAT_TASK_ABORTED 0x40
|
||||
|
||||
/** scsi_status_is_good - check the status return.
|
||||
*
|
||||
* @status: the status passed up from the driver (including host and
|
||||
* driver components)
|
||||
*
|
||||
* This returns true for known good conditions that may be treated as
|
||||
* command completed normally
|
||||
*/
|
||||
static inline int scsi_status_is_good(int status)
|
||||
{
|
||||
/*
|
||||
* FIXME: bit0 is listed as reserved in SCSI-2, but is
|
||||
* significant in SCSI-3. For now, we follow the SCSI-2
|
||||
* behaviour and ignore reserved bits.
|
||||
*/
|
||||
status &= 0xfe;
|
||||
return ((status == SAM_STAT_GOOD) ||
|
||||
(status == SAM_STAT_INTERMEDIATE) ||
|
||||
(status == SAM_STAT_INTERMEDIATE_CONDITION_MET) ||
|
||||
/* FIXME: this is obsolete in SAM-3 */
|
||||
(status == SAM_STAT_COMMAND_TERMINATED));
|
||||
}
|
||||
|
||||
/*
|
||||
* Status codes. These are deprecated as they are shifted 1 bit right
|
||||
* from those found in the SCSI standards. This causes confusion for
|
||||
* applications that are ported to several OSes. Prefer SAM Status codes
|
||||
* above.
|
||||
*/
|
||||
|
||||
#define GOOD 0x00
|
||||
#define CHECK_CONDITION 0x01
|
||||
#define CONDITION_GOOD 0x02
|
||||
#define BUSY 0x04
|
||||
#define INTERMEDIATE_GOOD 0x08
|
||||
#define INTERMEDIATE_C_GOOD 0x0a
|
||||
#define RESERVATION_CONFLICT 0x0c
|
||||
#define COMMAND_TERMINATED 0x11
|
||||
#define QUEUE_FULL 0x14
|
||||
#define ACA_ACTIVE 0x18
|
||||
#define TASK_ABORTED 0x20
|
||||
|
||||
#define STATUS_MASK 0xfe
|
||||
|
||||
/*
|
||||
* SENSE KEYS
|
||||
*/
|
||||
|
||||
#define NO_SENSE 0x00
|
||||
#define RECOVERED_ERROR 0x01
|
||||
#define NOT_READY 0x02
|
||||
#define MEDIUM_ERROR 0x03
|
||||
#define HARDWARE_ERROR 0x04
|
||||
#define ILLEGAL_REQUEST 0x05
|
||||
#define UNIT_ATTENTION 0x06
|
||||
#define DATA_PROTECT 0x07
|
||||
#define BLANK_CHECK 0x08
|
||||
#define COPY_ABORTED 0x0a
|
||||
#define ABORTED_COMMAND 0x0b
|
||||
#define VOLUME_OVERFLOW 0x0d
|
||||
#define MISCOMPARE 0x0e
|
||||
|
||||
|
||||
/*
|
||||
* DEVICE TYPES
|
||||
* Please keep them in 0x%02x format for $MODALIAS to work
|
||||
*/
|
||||
|
||||
#define TYPE_DISK 0x00
|
||||
#define TYPE_TAPE 0x01
|
||||
#define TYPE_PRINTER 0x02
|
||||
#define TYPE_PROCESSOR 0x03 /* HP scanners use this */
|
||||
#define TYPE_WORM 0x04 /* Treated as ROM by our system */
|
||||
#define TYPE_ROM 0x05
|
||||
#define TYPE_SCANNER 0x06
|
||||
#define TYPE_MOD 0x07 /* Magneto-optical disk -
|
||||
* - treated as TYPE_DISK */
|
||||
#define TYPE_MEDIUM_CHANGER 0x08
|
||||
#define TYPE_COMM 0x09 /* Communications device */
|
||||
#define TYPE_RAID 0x0c
|
||||
#define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */
|
||||
#define TYPE_RBC 0x0e
|
||||
#define TYPE_OSD 0x11
|
||||
#define TYPE_NO_LUN 0x7f
|
||||
|
||||
/* SCSI protocols; these are taken from SPC-3 section 7.5 */
|
||||
enum scsi_protocol {
|
||||
SCSI_PROTOCOL_FCP = 0, /* Fibre Channel */
|
||||
SCSI_PROTOCOL_SPI = 1, /* parallel SCSI */
|
||||
SCSI_PROTOCOL_SSA = 2, /* Serial Storage Architecture - Obsolete */
|
||||
SCSI_PROTOCOL_SBP = 3, /* firewire */
|
||||
SCSI_PROTOCOL_SRP = 4, /* Infiniband RDMA */
|
||||
SCSI_PROTOCOL_ISCSI = 5,
|
||||
SCSI_PROTOCOL_SAS = 6,
|
||||
SCSI_PROTOCOL_ADT = 7, /* Media Changers */
|
||||
SCSI_PROTOCOL_ATA = 8,
|
||||
SCSI_PROTOCOL_UNSPEC = 0xf, /* No specific protocol */
|
||||
};
|
||||
|
||||
/* Returns a human-readable name for the device */
|
||||
extern const char * scsi_device_type(unsigned type);
|
||||
|
||||
/*
|
||||
* standard mode-select header prepended to all mode-select commands
|
||||
*/
|
||||
|
||||
struct ccs_modesel_head {
|
||||
__u8 _r1; /* reserved */
|
||||
__u8 medium; /* device-specific medium type */
|
||||
__u8 _r2; /* reserved */
|
||||
__u8 block_desc_length; /* block descriptor length */
|
||||
__u8 density; /* device-specific density code */
|
||||
__u8 number_blocks_hi; /* number of blocks in this block desc */
|
||||
__u8 number_blocks_med;
|
||||
__u8 number_blocks_lo;
|
||||
__u8 _r3;
|
||||
__u8 block_length_hi; /* block length for blocks in this desc */
|
||||
__u8 block_length_med;
|
||||
__u8 block_length_lo;
|
||||
};
|
||||
|
||||
/*
|
||||
* ScsiLun: 8 byte LUN.
|
||||
*/
|
||||
struct scsi_lun {
|
||||
__u8 scsi_lun[8];
|
||||
};
|
||||
|
||||
/*
|
||||
* The Well Known LUNS (SAM-3) in our int representation of a LUN
|
||||
*/
|
||||
#define SCSI_W_LUN_BASE 0xc100
|
||||
#define SCSI_W_LUN_REPORT_LUNS (SCSI_W_LUN_BASE + 1)
|
||||
#define SCSI_W_LUN_ACCESS_CONTROL (SCSI_W_LUN_BASE + 2)
|
||||
#define SCSI_W_LUN_TARGET_LOG_PAGE (SCSI_W_LUN_BASE + 3)
|
||||
|
||||
static inline int scsi_is_wlun(unsigned int lun)
|
||||
{
|
||||
return (lun & 0xff00) == SCSI_W_LUN_BASE;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* MESSAGE CODES
|
||||
*/
|
||||
|
||||
#define COMMAND_COMPLETE 0x00
|
||||
#define EXTENDED_MESSAGE 0x01
|
||||
#define EXTENDED_MODIFY_DATA_POINTER 0x00
|
||||
#define EXTENDED_SDTR 0x01
|
||||
#define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */
|
||||
#define EXTENDED_WDTR 0x03
|
||||
#define EXTENDED_PPR 0x04
|
||||
#define EXTENDED_MODIFY_BIDI_DATA_PTR 0x05
|
||||
#define SAVE_POINTERS 0x02
|
||||
#define RESTORE_POINTERS 0x03
|
||||
#define DISCONNECT 0x04
|
||||
#define INITIATOR_ERROR 0x05
|
||||
#define ABORT_TASK_SET 0x06
|
||||
#define MESSAGE_REJECT 0x07
|
||||
#define NOP 0x08
|
||||
#define MSG_PARITY_ERROR 0x09
|
||||
#define LINKED_CMD_COMPLETE 0x0a
|
||||
#define LINKED_FLG_CMD_COMPLETE 0x0b
|
||||
#define TARGET_RESET 0x0c
|
||||
#define ABORT_TASK 0x0d
|
||||
#define CLEAR_TASK_SET 0x0e
|
||||
#define INITIATE_RECOVERY 0x0f /* SCSI-II only */
|
||||
#define RELEASE_RECOVERY 0x10 /* SCSI-II only */
|
||||
#define CLEAR_ACA 0x16
|
||||
#define LOGICAL_UNIT_RESET 0x17
|
||||
#define SIMPLE_QUEUE_TAG 0x20
|
||||
#define HEAD_OF_QUEUE_TAG 0x21
|
||||
#define ORDERED_QUEUE_TAG 0x22
|
||||
#define IGNORE_WIDE_RESIDUE 0x23
|
||||
#define ACA 0x24
|
||||
#define QAS_REQUEST 0x55
|
||||
|
||||
/* Old SCSI2 names, don't use in new code */
|
||||
#define BUS_DEVICE_RESET TARGET_RESET
|
||||
#define ABORT ABORT_TASK_SET
|
||||
|
||||
/*
|
||||
* Host byte codes
|
||||
*/
|
||||
|
||||
#define DID_OK 0x00 /* NO error */
|
||||
#define DID_NO_CONNECT 0x01 /* Couldn't connect before timeout period */
|
||||
#define DID_BUS_BUSY 0x02 /* BUS stayed busy through time out period */
|
||||
#define DID_TIME_OUT 0x03 /* TIMED OUT for other reason */
|
||||
#define DID_BAD_TARGET 0x04 /* BAD target. */
|
||||
#define DID_ABORT 0x05 /* Told to abort for some other reason */
|
||||
#define DID_PARITY 0x06 /* Parity error */
|
||||
#define DID_ERROR 0x07 /* Internal error */
|
||||
#define DID_RESET 0x08 /* Reset by somebody. */
|
||||
#define DID_BAD_INTR 0x09 /* Got an interrupt we weren't expecting. */
|
||||
#define DID_PASSTHROUGH 0x0a /* Force command past mid-layer */
|
||||
#define DID_SOFT_ERROR 0x0b /* The low level driver just wish a retry */
|
||||
#define DID_IMM_RETRY 0x0c /* Retry without decrementing retry count */
|
||||
#define DID_REQUEUE 0x0d /* Requeue command (no immediate retry) also
|
||||
* without decrementing the retry count */
|
||||
#define DID_TRANSPORT_DISRUPTED 0x0e /* Transport error disrupted execution
|
||||
* and the driver blocked the port to
|
||||
* recover the link. Transport class will
|
||||
* retry or fail IO */
|
||||
#define DID_TRANSPORT_FAILFAST 0x0f /* Transport class fastfailed the io */
|
||||
#define DRIVER_OK 0x00 /* Driver status */
|
||||
|
||||
/*
|
||||
* These indicate the error that occurred, and what is available.
|
||||
*/
|
||||
|
||||
#define DRIVER_BUSY 0x01
|
||||
#define DRIVER_SOFT 0x02
|
||||
#define DRIVER_MEDIA 0x03
|
||||
#define DRIVER_ERROR 0x04
|
||||
|
||||
#define DRIVER_INVALID 0x05
|
||||
#define DRIVER_TIMEOUT 0x06
|
||||
#define DRIVER_HARD 0x07
|
||||
#define DRIVER_SENSE 0x08
|
||||
|
||||
/*
|
||||
* Internal return values.
|
||||
*/
|
||||
|
||||
#define NEEDS_RETRY 0x2001
|
||||
#define SUCCESS 0x2002
|
||||
#define FAILED 0x2003
|
||||
#define QUEUED 0x2004
|
||||
#define SOFT_ERROR 0x2005
|
||||
#define ADD_TO_MLQUEUE 0x2006
|
||||
#define TIMEOUT_ERROR 0x2007
|
||||
#define SCSI_RETURN_NOT_HANDLED 0x2008
|
||||
#define FAST_IO_FAIL 0x2009
|
||||
|
||||
/*
|
||||
* Midlevel queue return values.
|
||||
*/
|
||||
#define SCSI_MLQUEUE_HOST_BUSY 0x1055
|
||||
#define SCSI_MLQUEUE_DEVICE_BUSY 0x1056
|
||||
#define SCSI_MLQUEUE_EH_RETRY 0x1057
|
||||
#define SCSI_MLQUEUE_TARGET_BUSY 0x1058
|
||||
|
||||
/*
|
||||
* Use these to separate status msg and our bytes
|
||||
*
|
||||
* These are set by:
|
||||
*
|
||||
* status byte = set from target device
|
||||
* msg_byte = return status from host adapter itself.
|
||||
* host_byte = set by low-level driver to indicate status.
|
||||
* driver_byte = set by mid-level.
|
||||
*/
|
||||
#define status_byte(result) (((result) >> 1) & 0x7f)
|
||||
#define msg_byte(result) (((result) >> 8) & 0xff)
|
||||
#define host_byte(result) (((result) >> 16) & 0xff)
|
||||
#define driver_byte(result) (((result) >> 24) & 0xff)
|
||||
|
||||
#define sense_class(sense) (((sense) >> 4) & 0x7)
|
||||
#define sense_error(sense) ((sense) & 0xf)
|
||||
#define sense_valid(sense) ((sense) & 0x80);
|
||||
|
||||
/*
|
||||
* default timeouts
|
||||
*/
|
||||
#define FORMAT_UNIT_TIMEOUT (2 * 60 * 60 * HZ)
|
||||
#define START_STOP_TIMEOUT (60 * HZ)
|
||||
#define MOVE_MEDIUM_TIMEOUT (5 * 60 * HZ)
|
||||
#define READ_ELEMENT_STATUS_TIMEOUT (5 * 60 * HZ)
|
||||
#define READ_DEFECT_DATA_TIMEOUT (60 * HZ )
|
||||
|
||||
|
||||
#define IDENTIFY_BASE 0x80
|
||||
#define IDENTIFY(can_disconnect, lun) (IDENTIFY_BASE |\
|
||||
((can_disconnect) ? 0x40 : 0) |\
|
||||
((lun) & 0x07))
|
||||
|
||||
/*
|
||||
* struct scsi_device::scsi_level values. For SCSI devices other than those
|
||||
* prior to SCSI-2 (i.e. over 12 years old) this value is (resp[2] + 1)
|
||||
* where "resp" is a byte array of the response to an INQUIRY. The scsi_level
|
||||
* variable is visible to the user via sysfs.
|
||||
*/
|
||||
|
||||
#define SCSI_UNKNOWN 0
|
||||
#define SCSI_1 1
|
||||
#define SCSI_1_CCS 2
|
||||
#define SCSI_2 3
|
||||
#define SCSI_3 4 /* SPC */
|
||||
#define SCSI_SPC_2 5
|
||||
#define SCSI_SPC_3 6
|
||||
|
||||
/*
|
||||
* INQ PERIPHERAL QUALIFIERS
|
||||
*/
|
||||
#define SCSI_INQ_PQ_CON 0x00
|
||||
#define SCSI_INQ_PQ_NOT_CON 0x01
|
||||
#define SCSI_INQ_PQ_NOT_CAP 0x03
|
||||
|
||||
|
||||
/*
|
||||
* Here are some scsi specific ioctl commands which are sometimes useful.
|
||||
*
|
||||
* Note that include/linux/cdrom.h also defines IOCTL 0x5300 - 0x5395
|
||||
*/
|
||||
|
||||
/* Used to obtain PUN and LUN info. Conflicts with CDROMAUDIOBUFSIZ */
|
||||
#define SCSI_IOCTL_GET_IDLUN 0x5382
|
||||
|
||||
/* 0x5383 and 0x5384 were used for SCSI_IOCTL_TAGGED_{ENABLE,DISABLE} */
|
||||
|
||||
/* Used to obtain the host number of a device. */
|
||||
#define SCSI_IOCTL_PROBE_HOST 0x5385
|
||||
|
||||
/* Used to obtain the bus number for a device */
|
||||
#define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
|
||||
|
||||
/* Used to obtain the PCI location of a device */
|
||||
#define SCSI_IOCTL_GET_PCI 0x5387
|
||||
|
||||
/* Pull a u32 out of a SCSI message (using BE SCSI conventions) */
|
||||
static inline __u32 scsi_to_u32(__u8 *ptr)
|
||||
{
|
||||
return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3];
|
||||
}
|
||||
|
||||
#endif /* _SCSI_SCSI_H */
|
||||
Loading…
Reference in a new issue