| 1 | /* $NetBSD: linux_sg.h,v 1.3 2005/12/11 12:20:19 christos Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 2004 Soren S. Jorvang. All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions, and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 16 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 19 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 20 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 21 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 22 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 25 | * SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #ifndef _LINUX_SG_H |
| 29 | #define _LINUX_SG_H |
| 30 | |
| 31 | /* sg driver version 3 */ |
| 32 | #define LINUX_SG_EMULATED_HOST _LINUX_IO('"', 0x03) |
| 33 | #define LINUX_SG_SET_TRANSFORM _LINUX_IO('"', 0x04) |
| 34 | #define LINUX_SG_GET_TRANSFORM _LINUX_IO('"', 0x05) |
| 35 | #define LINUX_SG_SET_RESERVED_SIZE _LINUX_IO('"', 0x75) |
| 36 | #define LINUX_SG_GET_RESERVED_SIZE _LINUX_IO('"', 0x72) |
| 37 | #define LINUX_SG_GET_SCSI_ID _LINUX_IO('"', 0x76) |
| 38 | #define LINUX_SG_SET_FORCE_LOW_DMA _LINUX_IO('"', 0x79) |
| 39 | #define LINUX_SG_GET_LOW_DMA _LINUX_IO('"', 0x7a) |
| 40 | #define LINUX_SG_SET_FORCE_PACK_ID _LINUX_IO('"', 0x7b) |
| 41 | #define LINUX_SG_GET_PACK_ID _LINUX_IO('"', 0x7c) |
| 42 | #define LINUX_SG_GET_NUM_WAITING _LINUX_IO('"', 0x7d) |
| 43 | #define LINUX_SG_GET_SG_TABLESIZE _LINUX_IO('"', 0x7f) |
| 44 | #define LINUX_SG_GET_VERSION_NUM _LINUX_IO('"', 0x82) |
| 45 | #define LINUX_SG_SCSI_RESET _LINUX_IO('"', 0x84) |
| 46 | #define LINUX_SG_IO _LINUX_IO('"', 0x85) |
| 47 | #define LINUX_SG_GET_REQUEST_TABLE _LINUX_IO('"', 0x86) |
| 48 | #define LINUX_SG_SET_KEEP_ORPHAN _LINUX_IO('"', 0x87) |
| 49 | #define LINUX_SG_GET_KEEP_ORPHAN _LINUX_IO('"', 0x88) |
| 50 | #define LINUX_SG_GET_ACCESS_COUNT _LINUX_IO('"', 0x89) |
| 51 | /* sg driver version 2 */ |
| 52 | #define LINUX_SG_SET_TIMEOUT _LINUX_IO('"', 0x01) |
| 53 | #define LINUX_SG_GET_TIMEOUT _LINUX_IO('"', 0x02) |
| 54 | #define LINUX_SG_GET_COMMAND_Q _LINUX_IO('"', 0x70) |
| 55 | #define LINUX_SG_SET_COMMAND_Q _LINUX_IO('"', 0x71) |
| 56 | #define LINUX_SG_SET_DEBUG _LINUX_IO('"', 0x7e) |
| 57 | #define LINUX_SG_NEXT_CMD_LEN _LINUX_IO('"', 0x83) |
| 58 | |
| 59 | |
| 60 | struct linux_sg_io_hdr { |
| 61 | int interface_id; |
| 62 | #define SG_DXFER_NONE -1 |
| 63 | #define SG_DXFER_TO_DEV -2 |
| 64 | #define SG_DXFER_FROM_DEV -3 |
| 65 | #define SG_DXFER_TO_FROM_DEV -4 |
| 66 | #define SG_DXFER_UNKNOWN -5 |
| 67 | int dxfer_direction; |
| 68 | unsigned char cmd_len; |
| 69 | unsigned char mx_sb_len; |
| 70 | unsigned short iovec_count; |
| 71 | unsigned int dxfer_len; |
| 72 | void *dxferp; |
| 73 | unsigned char *cmdp; |
| 74 | unsigned char *sbp; |
| 75 | unsigned int timeout; |
| 76 | unsigned int flags; |
| 77 | int pack_id; |
| 78 | void *usr_ptr; |
| 79 | unsigned char status; |
| 80 | unsigned char masked_status; |
| 81 | unsigned char msg_status; |
| 82 | unsigned char sb_len_wr; |
| 83 | unsigned short host_status; |
| 84 | unsigned short driver_status; |
| 85 | int resid; |
| 86 | unsigned int duration; |
| 87 | unsigned int info; |
| 88 | }; |
| 89 | |
| 90 | #define SG_MAX_SENSE 16 |
| 91 | |
| 92 | /* |
| 93 | * Host codes |
| 94 | */ |
| 95 | #define LINUX_DID_OK 0x00 /* OK */ |
| 96 | #define LINUX_DID_NO_CONNECT 0x01 /* timeout during connect */ |
| 97 | #define LINUX_DID_BUS_BUSY 0x02 /* timeout during command */ |
| 98 | #define LINUX_DID_TIME_OUT 0x03 /* other timeout */ |
| 99 | #define LINUX_DID_BAD_TARGET 0x04 /* bad target */ |
| 100 | #define LINUX_DID_ABORT 0x05 /* abort */ |
| 101 | #define LINUX_DID_PARITY 0x06 /* parity error */ |
| 102 | #define LINUX_DID_ERROR 0x07 /* internal error */ |
| 103 | #define LINUX_DID_RESET 0x08 /* reset by somebody */ |
| 104 | #define LINUX_DID_BAD_INTR 0x09 /* unexpected interrupt */ |
| 105 | #define LINUX_DID_PASSTHROUGH 0x0a /* passthrough */ |
| 106 | #define LINUX_DID_SOFT_ERROR 0x0b /* low driver wants retry */ |
| 107 | #define LINUX_DID_IMM_RETRY 0x0c /* retry without decreasing retrycnt */ |
| 108 | |
| 109 | /* |
| 110 | * Driver codes |
| 111 | */ |
| 112 | #define LINUX_DRIVER_BUSY 0x01 |
| 113 | #define LINUX_DRIVER_SOFT 0x02 |
| 114 | #define LINUX_DRIVER_MEDIA 0x03 |
| 115 | #define LINUX_DRIVER_ERROR 0x04 |
| 116 | |
| 117 | #define LINUX_DRIVER_INVALID 0x05 |
| 118 | #define LINUX_DRIVER_TIMEOUT 0x06 |
| 119 | #define LINUX_DRIVER_HARD 0x07 |
| 120 | #define LINUX_DRIVER_SENSE 0x08 |
| 121 | |
| 122 | #define LINUX_SUGGEST_RETRY 0x10 |
| 123 | #define LINUX_SUGGEST_ABORT 0x20 |
| 124 | #define LINUX_SUGGEST_REMAP 0x30 |
| 125 | #define LINUX_SUGGEST_DIE 0x40 |
| 126 | #define LINUX_SUGGEST_SENSE 0x80 |
| 127 | #define LINUX_SUGGEST_IS_OK 0xff |
| 128 | |
| 129 | #define LINUX_DRIVER_MASK 0x0f |
| 130 | #define LINUX_SUGGEST_MASK 0xf0 |
| 131 | |
| 132 | #endif /* !_LINUX_SG_H */ |
| 133 | |