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/* $NetBSD: linux_sg.h,v 1.3 2005/12/11 12:20:19 christos Exp $ */
/*
* Copyright (c) 2004 Soren S. Jorvang. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _LINUX_SG_H
#define _LINUX_SG_H
/* sg driver version 3 */
#define LINUX_SG_EMULATED_HOST _LINUX_IO('"', 0x03)
#define LINUX_SG_SET_TRANSFORM _LINUX_IO('"', 0x04)
#define LINUX_SG_GET_TRANSFORM _LINUX_IO('"', 0x05)
#define LINUX_SG_SET_RESERVED_SIZE _LINUX_IO('"', 0x75)
#define LINUX_SG_GET_RESERVED_SIZE _LINUX_IO('"', 0x72)
#define LINUX_SG_GET_SCSI_ID _LINUX_IO('"', 0x76)
#define LINUX_SG_SET_FORCE_LOW_DMA _LINUX_IO('"', 0x79)
#define LINUX_SG_GET_LOW_DMA _LINUX_IO('"', 0x7a)
#define LINUX_SG_SET_FORCE_PACK_ID _LINUX_IO('"', 0x7b)
#define LINUX_SG_GET_PACK_ID _LINUX_IO('"', 0x7c)
#define LINUX_SG_GET_NUM_WAITING _LINUX_IO('"', 0x7d)
#define LINUX_SG_GET_SG_TABLESIZE _LINUX_IO('"', 0x7f)
#define LINUX_SG_GET_VERSION_NUM _LINUX_IO('"', 0x82)
#define LINUX_SG_SCSI_RESET _LINUX_IO('"', 0x84)
#define LINUX_SG_IO _LINUX_IO('"', 0x85)
#define LINUX_SG_GET_REQUEST_TABLE _LINUX_IO('"', 0x86)
#define LINUX_SG_SET_KEEP_ORPHAN _LINUX_IO('"', 0x87)
#define LINUX_SG_GET_KEEP_ORPHAN _LINUX_IO('"', 0x88)
#define LINUX_SG_GET_ACCESS_COUNT _LINUX_IO('"', 0x89)
/* sg driver version 2 */
#define LINUX_SG_SET_TIMEOUT _LINUX_IO('"', 0x01)
#define LINUX_SG_GET_TIMEOUT _LINUX_IO('"', 0x02)
#define LINUX_SG_GET_COMMAND_Q _LINUX_IO('"', 0x70)
#define LINUX_SG_SET_COMMAND_Q _LINUX_IO('"', 0x71)
#define LINUX_SG_SET_DEBUG _LINUX_IO('"', 0x7e)
#define LINUX_SG_NEXT_CMD_LEN _LINUX_IO('"', 0x83)
struct linux_sg_io_hdr {
int interface_id;
#define SG_DXFER_NONE -1
#define SG_DXFER_TO_DEV -2
#define SG_DXFER_FROM_DEV -3
#define SG_DXFER_TO_FROM_DEV -4
#define SG_DXFER_UNKNOWN -5
int dxfer_direction;
unsigned char cmd_len;
unsigned char mx_sb_len;
unsigned short iovec_count;
unsigned int dxfer_len;
void *dxferp;
unsigned char *cmdp;
unsigned char *sbp;
unsigned int timeout;
unsigned int flags;
int pack_id;
void *usr_ptr;
unsigned char status;
unsigned char masked_status;
unsigned char msg_status;
unsigned char sb_len_wr;
unsigned short host_status;
unsigned short driver_status;
int resid;
unsigned int duration;
unsigned int info;
};
#define SG_MAX_SENSE 16
/*
* Host codes
*/
#define LINUX_DID_OK 0x00 /* OK */
#define LINUX_DID_NO_CONNECT 0x01 /* timeout during connect */
#define LINUX_DID_BUS_BUSY 0x02 /* timeout during command */
#define LINUX_DID_TIME_OUT 0x03 /* other timeout */
#define LINUX_DID_BAD_TARGET 0x04 /* bad target */
#define LINUX_DID_ABORT 0x05 /* abort */
#define LINUX_DID_PARITY 0x06 /* parity error */
#define LINUX_DID_ERROR 0x07 /* internal error */
#define LINUX_DID_RESET 0x08 /* reset by somebody */
#define LINUX_DID_BAD_INTR 0x09 /* unexpected interrupt */
#define LINUX_DID_PASSTHROUGH 0x0a /* passthrough */
#define LINUX_DID_SOFT_ERROR 0x0b /* low driver wants retry */
#define LINUX_DID_IMM_RETRY 0x0c /* retry without decreasing retrycnt */
/*
* Driver codes
*/
#define LINUX_DRIVER_BUSY 0x01
#define LINUX_DRIVER_SOFT 0x02
#define LINUX_DRIVER_MEDIA 0x03
#define LINUX_DRIVER_ERROR 0x04
#define LINUX_DRIVER_INVALID 0x05
#define LINUX_DRIVER_TIMEOUT 0x06
#define LINUX_DRIVER_HARD 0x07
#define LINUX_DRIVER_SENSE 0x08
#define LINUX_SUGGEST_RETRY 0x10
#define LINUX_SUGGEST_ABORT 0x20
#define LINUX_SUGGEST_REMAP 0x30
#define LINUX_SUGGEST_DIE 0x40
#define LINUX_SUGGEST_SENSE 0x80
#define LINUX_SUGGEST_IS_OK 0xff
#define LINUX_DRIVER_MASK 0x0f
#define LINUX_SUGGEST_MASK 0xf0
#endif /* !_LINUX_SG_H */
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