530 lines
20 KiB
Diff
530 lines
20 KiB
Diff
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From: Chris Renshaw <osm0sis@outlook.com>
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Date: Thu, 3 Dec 2015 17:01:57 -0400
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Subject: [PATCH] eject: add missing headers
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Imported from dorimanx's combined ported header toolchain:
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https://github.com/dorimanx/android-busybox-ndk
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---
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include/scsi/scsi.h | 225 ++++++++++++++++++++++++++++++++++++++++++
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include/scsi/sg.h | 276 ++++++++++++++++++++++++++++++++++++++++++++++++++++
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2 files changed, 501 insertions(+)
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create mode 100644 include/scsi/scsi.h
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create mode 100644 include/scsi/sg.h
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diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
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new file mode 100644
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index 0000000..06377ab
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--- /dev/null
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+++ b/include/scsi/scsi.h
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@@ -0,0 +1,225 @@
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+/* Copyright (C) 1998-2015 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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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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+
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+#ifndef _SCSI_SCSI_H
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+#define _SCSI_SCSI_H 1
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+
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+#include <features.h>
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+
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+/*
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+ * SCSI opcodes
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+ */
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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 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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+
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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 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 READ_TOC 0x43
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+#define LOG_SELECT 0x4c
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+#define LOG_SENSE 0x4d
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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 MOVE_MEDIUM 0xa5
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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 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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+
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+/*
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+ * Status codes
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+ */
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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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+
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+#define STATUS_MASK 0x3e
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+
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+/*
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+ * SENSE KEYS
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+ */
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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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+
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+/*
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+ * DEVICE TYPES
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+ */
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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_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_ENCLOSURE 0x0d /* Enclosure Services Device */
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+#define TYPE_NO_LUN 0x7f
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+
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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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+ * moved here from cdrom.h -- kraxel
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+ */
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+
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+struct ccs_modesel_head
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+ {
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+ unsigned char _r1; /* reserved. */
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+ unsigned char medium; /* device-specific medium type. */
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+ unsigned char _r2; /* reserved. */
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+ unsigned char block_desc_length; /* block descriptor length. */
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+ unsigned char density; /* device-specific density code. */
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+ unsigned char number_blocks_hi; /* number of blocks in this block
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+ desc. */
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+ unsigned char number_blocks_med;
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+ unsigned char number_blocks_lo;
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+ unsigned char _r3;
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+ unsigned char block_length_hi; /* block length for blocks in this
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+ desc. */
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+ unsigned char block_length_med;
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+ unsigned char block_length_lo;
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+ };
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+
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+/*
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+ * MESSAGE CODES
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+ */
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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 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 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 BUS_DEVICE_RESET 0x0c
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+
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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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+
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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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+
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+/*
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+ * Here are some scsi specific ioctl commands which are sometimes useful.
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+ */
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+/* These are a few other constants only used by scsi devices. */
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+
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+#define SCSI_IOCTL_GET_IDLUN 0x5382
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+
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+/* Used to turn on and off tagged queuing for scsi devices. */
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+
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+#define SCSI_IOCTL_TAGGED_ENABLE 0x5383
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+#define SCSI_IOCTL_TAGGED_DISABLE 0x5384
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+
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+/* Used to obtain the host number of a device. */
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+#define SCSI_IOCTL_PROBE_HOST 0x5385
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+
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+/* Used to get the bus number for a device. */
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+#define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
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+
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+#endif /* scsi/scsi.h */
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diff --git a/include/scsi/sg.h b/include/scsi/sg.h
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new file mode 100644
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index 0000000..7679452
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--- /dev/null
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+++ b/include/scsi/sg.h
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@@ -0,0 +1,276 @@
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+/* Copyright (C) 1997-2015 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+/*
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+ History:
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+ Started: Aug 9 by Lawrence Foard (entropy@world.std.com), to allow user
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+ process control of SCSI devices.
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+ Development Sponsored by Killy Corp. NY NY
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+*/
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+
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+#ifndef _SCSI_SG_H
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+#define _SCSI_SG_H 1
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+
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+#include <features.h>
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+#define __need_size_t
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+#include <stddef.h>
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+
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+
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+/* New interface introduced in the 3.x SG drivers follows */
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+
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+/* Same structure as used by readv() Linux system call. It defines one
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+ scatter-gather element. */
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+typedef struct sg_iovec
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+{
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+ void * iov_base; /* Starting address */
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+ size_t iov_len; /* Length in bytes */
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+} sg_iovec_t;
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+
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+
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+typedef struct sg_io_hdr
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+{
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+ int interface_id; /* [i] 'S' for SCSI generic (required) */
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+ int dxfer_direction; /* [i] data transfer direction */
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+ unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
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+ unsigned char mx_sb_len; /* [i] max length to write to sbp */
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+ unsigned short int iovec_count; /* [i] 0 implies no scatter gather */
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+ unsigned int dxfer_len; /* [i] byte count of data transfer */
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+ void * dxferp; /* [i], [*io] points to data transfer memory
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+ or scatter gather list */
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+ unsigned char * cmdp; /* [i], [*i] points to command to perform */
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+ unsigned char * sbp; /* [i], [*o] points to sense_buffer memory */
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+ unsigned int timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
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+ unsigned int flags; /* [i] 0 -> default, see SG_FLAG... */
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+ int pack_id; /* [i->o] unused internally (normally) */
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+ void * usr_ptr; /* [i->o] unused internally */
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+ unsigned char status; /* [o] scsi status */
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+ unsigned char masked_status;/* [o] shifted, masked scsi status */
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+ unsigned char msg_status; /* [o] messaging level data (optional) */
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+ unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
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+ unsigned short int host_status; /* [o] errors from host adapter */
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+ unsigned short int driver_status;/* [o] errors from software driver */
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+ int resid; /* [o] dxfer_len - actual_transferred */
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+ unsigned int duration; /* [o] time taken by cmd (unit: millisec) */
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+ unsigned int info; /* [o] auxiliary information */
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+} sg_io_hdr_t;
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+
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+
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+/* Use negative values to flag difference from original sg_header structure. */
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+#define SG_DXFER_NONE -1 /* e.g. a SCSI Test Unit Ready command */
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+#define SG_DXFER_TO_DEV -2 /* e.g. a SCSI WRITE command */
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+#define SG_DXFER_FROM_DEV -3 /* e.g. a SCSI READ command */
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+#define SG_DXFER_TO_FROM_DEV -4 /* treated like SG_DXFER_FROM_DEV with the
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+ additional property than during indirect
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+ IO the user buffer is copied into the
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+ kernel buffers before the transfer */
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+
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+
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+/* following flag values can be "or"-ed together */
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+#define SG_FLAG_DIRECT_IO 1 /* default is indirect IO */
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+#define SG_FLAG_LUN_INHIBIT 2 /* default is to put device's lun into */
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+ /* the 2nd byte of SCSI command */
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|
+#define SG_FLAG_NO_DXFER 0x10000 /* no transfer of kernel buffers to/from */
|
||
|
|
+ /* user space (debug indirect IO) */
|
||
|
|
+
|
||
|
|
+/* The following 'info' values are "or"-ed together. */
|
||
|
|
+#define SG_INFO_OK_MASK 0x1
|
||
|
|
+#define SG_INFO_OK 0x0 /* no sense, host nor driver "noise" */
|
||
|
|
+#define SG_INFO_CHECK 0x1 /* something abnormal happened */
|
||
|
|
+
|
||
|
|
+#define SG_INFO_DIRECT_IO_MASK 0x6
|
||
|
|
+#define SG_INFO_INDIRECT_IO 0x0 /* data xfer via kernel buffers (or no xfer) */
|
||
|
|
+#define SG_INFO_DIRECT_IO 0x2 /* direct IO requested and performed */
|
||
|
|
+#define SG_INFO_MIXED_IO 0x4 /* part direct, part indirect IO */
|
||
|
|
+
|
||
|
|
+
|
||
|
|
+/* Request information about a specific SG device, used by
|
||
|
|
+ SG_GET_SCSI_ID ioctl (). */
|
||
|
|
+struct sg_scsi_id {
|
||
|
|
+ /* Host number as in "scsi<n>" where 'n' is one of 0, 1, 2 etc. */
|
||
|
|
+ int host_no;
|
||
|
|
+ int channel;
|
||
|
|
+ /* SCSI id of target device. */
|
||
|
|
+ int scsi_id;
|
||
|
|
+ int lun;
|
||
|
|
+ /* TYPE_... defined in <scsi/scsi.h>. */
|
||
|
|
+ int scsi_type;
|
||
|
|
+ /* Host (adapter) maximum commands per lun. */
|
||
|
|
+ short int h_cmd_per_lun;
|
||
|
|
+ /* Device (or adapter) maximum queue length. */
|
||
|
|
+ short int d_queue_depth;
|
||
|
|
+ /* Unused, set to 0 for now. */
|
||
|
|
+ int unused[2];
|
||
|
|
+};
|
||
|
|
+
|
||
|
|
+/* Used by SG_GET_REQUEST_TABLE ioctl(). */
|
||
|
|
+typedef struct sg_req_info {
|
||
|
|
+ char req_state; /* 0 -> not used, 1 -> written, 2 -> ready to read */
|
||
|
|
+ char orphan; /* 0 -> normal request, 1 -> from interruped SG_IO */
|
||
|
|
+ char sg_io_owned; /* 0 -> complete with read(), 1 -> owned by SG_IO */
|
||
|
|
+ char problem; /* 0 -> no problem detected, 1 -> error to report */
|
||
|
|
+ int pack_id; /* pack_id associated with request */
|
||
|
|
+ void * usr_ptr; /* user provided pointer (in new interface) */
|
||
|
|
+ unsigned int duration; /* millisecs elapsed since written (req_state==1)
|
||
|
|
+ or request duration (req_state==2) */
|
||
|
|
+ int unused;
|
||
|
|
+} sg_req_info_t;
|
||
|
|
+
|
||
|
|
+
|
||
|
|
+/* IOCTLs: Those ioctls that are relevant to the SG 3.x drivers follow.
|
||
|
|
+ [Those that only apply to the SG 2.x drivers are at the end of the file.]
|
||
|
|
+ (_GET_s yield result via 'int *' 3rd argument unless otherwise indicated) */
|
||
|
|
+
|
||
|
|
+#define SG_EMULATED_HOST 0x2203 /* true for emulated host adapter (ATAPI) */
|
||
|
|
+
|
||
|
|
+/* Used to configure SCSI command transformation layer for ATAPI devices */
|
||
|
|
+/* Only supported by the ide-scsi driver */
|
||
|
|
+#define SG_SET_TRANSFORM 0x2204 /* N.B. 3rd arg is not pointer but value: */
|
||
|
|
+ /* 3rd arg = 0 to disable transform, 1 to enable it */
|
||
|
|
+#define SG_GET_TRANSFORM 0x2205
|
||
|
|
+
|
||
|
|
+#define SG_SET_RESERVED_SIZE 0x2275 /* request a new reserved buffer size */
|
||
|
|
+#define SG_GET_RESERVED_SIZE 0x2272 /* actual size of reserved buffer */
|
||
|
|
+
|
||
|
|
+/* The following ioctl has a 'sg_scsi_id_t *' object as its 3rd argument. */
|
||
|
|
+#define SG_GET_SCSI_ID 0x2276 /* Yields fd's bus, chan, dev, lun + type */
|
||
|
|
+/* SCSI id information can also be obtained from SCSI_IOCTL_GET_IDLUN */
|
||
|
|
+
|
||
|
|
+/* Override host setting and always DMA using low memory ( <16MB on i386) */
|
||
|
|
+#define SG_SET_FORCE_LOW_DMA 0x2279 /* 0-> use adapter setting, 1-> force */
|
||
|
|
+#define SG_GET_LOW_DMA 0x227a /* 0-> use all ram for dma; 1-> low dma ram */
|
||
|
|
+
|
||
|
|
+/* When SG_SET_FORCE_PACK_ID set to 1, pack_id is input to read() which
|
||
|
|
+ tries to fetch a packet with a matching pack_id, waits, or returns EAGAIN.
|
||
|
|
+ If pack_id is -1 then read oldest waiting. When ...FORCE_PACK_ID set to 0
|
||
|
|
+ then pack_id ignored by read() and oldest readable fetched. */
|
||
|
|
+#define SG_SET_FORCE_PACK_ID 0x227b
|
||
|
|
+#define SG_GET_PACK_ID 0x227c /* Yields oldest readable pack_id (or -1) */
|
||
|
|
+
|
||
|
|
+#define SG_GET_NUM_WAITING 0x227d /* Number of commands awaiting read() */
|
||
|
|
+
|
||
|
|
+/* Yields max scatter gather tablesize allowed by current host adapter */
|
||
|
|
+#define SG_GET_SG_TABLESIZE 0x227F /* 0 implies can't do scatter gather */
|
||
|
|
+
|
||
|
|
+#define SG_GET_VERSION_NUM 0x2282 /* Example: version 2.1.34 yields 20134 */
|
||
|
|
+
|
||
|
|
+/* Returns -EBUSY if occupied. 3rd argument pointer to int (see next) */
|
||
|
|
+#define SG_SCSI_RESET 0x2284
|
||
|
|
+/* Associated values that can be given to SG_SCSI_RESET follow */
|
||
|
|
+#define SG_SCSI_RESET_NOTHING 0
|
||
|
|
+#define SG_SCSI_RESET_DEVICE 1
|
||
|
|
+#define SG_SCSI_RESET_BUS 2
|
||
|
|
+#define SG_SCSI_RESET_HOST 3
|
||
|
|
+
|
||
|
|
+/* synchronous SCSI command ioctl, (only in version 3 interface) */
|
||
|
|
+#define SG_IO 0x2285 /* similar effect as write() followed by read() */
|
||
|
|
+
|
||
|
|
+#define SG_GET_REQUEST_TABLE 0x2286 /* yields table of active requests */
|
||
|
|
+
|
||
|
|
+/* How to treat EINTR during SG_IO ioctl(), only in SG 3.x series */
|
||
|
|
+#define SG_SET_KEEP_ORPHAN 0x2287 /* 1 -> hold for read(), 0 -> drop (def) */
|
||
|
|
+#define SG_GET_KEEP_ORPHAN 0x2288
|
||
|
|
+
|
||
|
|
+
|
||
|
|
+#define SG_SCATTER_SZ (8 * 4096) /* PAGE_SIZE not available to user */
|
||
|
|
+/* Largest size (in bytes) a single scatter-gather list element can have.
|
||
|
|
+ The value must be a power of 2 and <= (PAGE_SIZE * 32) [131072 bytes on
|
||
|
|
+ i386]. The minimum value is PAGE_SIZE. If scatter-gather not supported
|
||
|
|
+ by adapter then this value is the largest data block that can be
|
||
|
|
+ read/written by a single scsi command. The user can find the value of
|
||
|
|
+ PAGE_SIZE by calling getpagesize() defined in unistd.h . */
|
||
|
|
+
|
||
|
|
+#define SG_DEFAULT_RETRIES 1
|
||
|
|
+
|
||
|
|
+/* Defaults, commented if they differ from original sg driver */
|
||
|
|
+#define SG_DEF_FORCE_LOW_DMA 0 /* was 1 -> memory below 16MB on i386 */
|
||
|
|
+#define SG_DEF_FORCE_PACK_ID 0
|
||
|
|
+#define SG_DEF_KEEP_ORPHAN 0
|
||
|
|
+#define SG_DEF_RESERVED_SIZE SG_SCATTER_SZ /* load time option */
|
||
|
|
+
|
||
|
|
+/* maximum outstanding requests, write() yields EDOM if exceeded */
|
||
|
|
+#define SG_MAX_QUEUE 16
|
||
|
|
+
|
||
|
|
+#define SG_BIG_BUFF SG_DEF_RESERVED_SIZE /* for backward compatibility */
|
||
|
|
+
|
||
|
|
+/* Alternate style type names, "..._t" variants preferred */
|
||
|
|
+typedef struct sg_io_hdr Sg_io_hdr;
|
||
|
|
+typedef struct sg_io_vec Sg_io_vec;
|
||
|
|
+typedef struct sg_scsi_id Sg_scsi_id;
|
||
|
|
+typedef struct sg_req_info Sg_req_info;
|
||
|
|
+
|
||
|
|
+
|
||
|
|
+/* vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */
|
||
|
|
+/* The older SG interface based on the 'sg_header' structure follows. */
|
||
|
|
+/* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ */
|
||
|
|
+
|
||
|
|
+#define SG_MAX_SENSE 16 /* this only applies to the sg_header interface */
|
||
|
|
+
|
||
|
|
+struct sg_header
|
||
|
|
+ {
|
||
|
|
+ /* Length of incoming packet (including header). */
|
||
|
|
+ int pack_len;
|
||
|
|
+ /* Maximal length of expected reply. */
|
||
|
|
+ int reply_len;
|
||
|
|
+ /* Id number of packet. */
|
||
|
|
+ int pack_id;
|
||
|
|
+ /* 0==ok, otherwise error number. */
|
||
|
|
+ int result;
|
||
|
|
+ /* Force 12 byte command length for group 6 & 7 commands. */
|
||
|
|
+ unsigned int twelve_byte:1;
|
||
|
|
+ /* SCSI status from target. */
|
||
|
|
+ unsigned int target_status:5;
|
||
|
|
+ /* Host status (see "DID" codes). */
|
||
|
|
+ unsigned int host_status:8;
|
||
|
|
+ /* Driver status+suggestion. */
|
||
|
|
+ unsigned int driver_status:8;
|
||
|
|
+ /* Unused. */
|
||
|
|
+ unsigned int other_flags:10;
|
||
|
|
+ /* Output in 3 cases:
|
||
|
|
+ when target_status is CHECK_CONDITION or
|
||
|
|
+ when target_status is COMMAND_TERMINATED or
|
||
|
|
+ when (driver_status & DRIVER_SENSE) is true. */
|
||
|
|
+ unsigned char sense_buffer[SG_MAX_SENSE];
|
||
|
|
+ };
|
||
|
|
+
|
||
|
|
+
|
||
|
|
+/* IOCTLs: The following are not required (or ignored) when the sg_io_hdr_t
|
||
|
|
+ interface is used. They are kept for backward compatibility with
|
||
|
|
+ the original and version 2 drivers. */
|
||
|
|
+
|
||
|
|
+#define SG_SET_TIMEOUT 0x2201 /* Set timeout; *(int *)arg==timeout. */
|
||
|
|
+#define SG_GET_TIMEOUT 0x2202 /* Get timeout; return timeout. */
|
||
|
|
+
|
||
|
|
+/* Get/set command queuing state per fd (default is SG_DEF_COMMAND_Q). */
|
||
|
|
+#define SG_GET_COMMAND_Q 0x2270 /* Yields 0 (queuing off) or 1 (on). */
|
||
|
|
+#define SG_SET_COMMAND_Q 0x2271 /* Change queuing state with 0 or 1. */
|
||
|
|
+
|
||
|
|
+/* Turn on error sense trace (1..8), dump this device to log/console (9)
|
||
|
|
+ or dump all sg device states ( >9 ) to log/console. */
|
||
|
|
+#define SG_SET_DEBUG 0x227e /* 0 -> turn off debug */
|
||
|
|
+
|
||
|
|
+#define SG_NEXT_CMD_LEN 0x2283 /* Override SCSI command length with given
|
||
|
|
+ number on the next write() on this file
|
||
|
|
+ descriptor. */
|
||
|
|
+
|
||
|
|
+/* Defaults, commented if they differ from original sg driver */
|
||
|
|
+#define SG_DEFAULT_TIMEOUT (60*HZ) /* HZ == 'jiffies in 1 second' */
|
||
|
|
+#define SG_DEF_COMMAND_Q 0 /* command queuing is always on when
|
||
|
|
+ the new interface is used */
|
||
|
|
+#define SG_DEF_UNDERRUN_FLAG 0
|
||
|
|
+
|
||
|
|
+
|
||
|
|
+#endif /* scsi/sg.h */
|
||
|
|
--
|
||
|
|
2.5.3
|
||
|
|
|