1 /* 2 * Structures and definitions for SCSI commands to the SG passthrough device. 3 * 4 * $FreeBSD: src/sys/cam/scsi/scsi_sg.h,v 1.2 2007/04/10 20:03:42 scottl Exp $ 5 */ 6 7 #ifndef _SCSI_SG_H 8 #define _SCSI_SG_H 9 10 #define SGIOC '"' 11 #define SG_SET_TIMEOUT _IO(SGIOC, 0x01) 12 #define SG_GET_TIMEOUT _IO(SGIOC, 0x02) 13 #define SG_EMULATED_HOST _IO(SGIOC, 0x03) 14 #define SG_SET_TRANSFORM _IO(SGIOC, 0x04) 15 #define SG_GET_TRANSFORM _IO(SGIOC, 0x05) 16 #define SG_GET_COMMAND_Q _IO(SGIOC, 0x70) 17 #define SG_SET_COMMAND_Q _IO(SGIOC, 0x71) 18 #define SG_GET_RESERVED_SIZE _IO(SGIOC, 0x72) 19 #define SG_SET_RESERVED_SIZE _IO(SGIOC, 0x75) 20 #define SG_GET_SCSI_ID _IO(SGIOC, 0x76) 21 #define SG_SET_FORCE_LOW_DMA _IO(SGIOC, 0x79) 22 #define SG_GET_LOW_DMA _IO(SGIOC, 0x7a) 23 #define SG_SET_FORCE_PACK_ID _IO(SGIOC, 0x7b) 24 #define SG_GET_PACK_ID _IO(SGIOC, 0x7c) 25 #define SG_GET_NUM_WAITING _IO(SGIOC, 0x7d) 26 #define SG_SET_DEBUG _IO(SGIOC, 0x7e) 27 #define SG_GET_SG_TABLESIZE _IO(SGIOC, 0x7f) 28 #define SG_GET_VERSION_NUM _IO(SGIOC, 0x82) 29 #define SG_NEXT_CMD_LEN _IO(SGIOC, 0x83) 30 #define SG_SCSI_RESET _IO(SGIOC, 0x84) 31 #define SG_IO _IO(SGIOC, 0x85) 32 #define SG_GET_REQUEST_TABLE _IO(SGIOC, 0x86) 33 #define SG_SET_KEEP_ORPHAN _IO(SGIOC, 0x87) 34 #define SG_GET_KEEP_ORPHAN _IO(SGIOC, 0x88) 35 #define SG_GET_ACCESS_COUNT _IO(SGIOC, 0x89) 36 37 struct sg_io_hdr { 38 int interface_id; 39 int dxfer_direction; 40 u_char cmd_len; 41 u_char mx_sb_len; 42 u_short iovec_count; 43 u_int dxfer_len; 44 void *dxferp; 45 u_char *cmdp; 46 u_char *sbp; 47 u_int timeout; 48 u_int flags; 49 int pack_id; 50 void *usr_ptr; 51 u_char status; 52 u_char masked_status; 53 u_char msg_status; 54 u_char sb_len_wr; 55 u_short host_status; 56 u_short driver_status; 57 int resid; 58 u_int duration; 59 u_int info; 60 }; 61 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 68 #define SG_MAX_SENSE 16 69 70 struct sg_header { 71 int pack_len; 72 int reply_len; 73 int pack_id; 74 int result; 75 u_int twelve_byte:1; 76 u_int target_status:5; 77 u_int host_status:8; 78 u_int driver_status:8; 79 u_int other_flags:10; 80 u_char sense_buffer[SG_MAX_SENSE]; 81 }; 82 83 struct sg_scsi_id { 84 int host_no; 85 int channel; 86 int scsi_id; 87 int lun; 88 int scsi_type; 89 short h_cmd_per_lun; 90 short d_queue_depth; 91 int unused[2]; 92 }; 93 94 struct scsi_idlun { 95 uint32_t dev_id; 96 uint32_t host_unique_id; 97 }; 98 99 /* 100 * Host codes 101 */ 102 #define DID_OK 0x00 /* OK */ 103 #define DID_NO_CONNECT 0x01 /* timeout during connect */ 104 #define DID_BUS_BUSY 0x02 /* timeout during command */ 105 #define DID_TIME_OUT 0x03 /* other timeout */ 106 #define DID_BAD_TARGET 0x04 /* bad target */ 107 #define DID_ABORT 0x05 /* abort */ 108 #define DID_PARITY 0x06 /* parity error */ 109 #define DID_ERROR 0x07 /* internal error */ 110 #define DID_RESET 0x08 /* reset by somebody */ 111 #define DID_BAD_INTR 0x09 /* unexpected interrupt */ 112 #define DID_PASSTHROUGH 0x0a /* passthrough */ 113 #define DID_SOFT_ERROR 0x0b /* low driver wants retry */ 114 #define DID_IMM_RETRY 0x0c /* retry without decreasing retrycnt */ 115 116 /* 117 * Driver codes 118 */ 119 #define DRIVER_OK 0x00 120 #define DRIVER_BUSY 0x01 121 #define DRIVER_SOFT 0x02 122 #define DRIVER_MEDIA 0x03 123 #define DRIVER_ERROR 0x04 124 125 #define DRIVER_INVALID 0x05 126 #define DRIVER_TIMEOUT 0x06 127 #define DRIVER_HARD 0x07 128 #define DRIVER_SENSE 0x08 129 130 #define SUGGEST_RETRY 0x10 131 #define SUGGEST_ABORT 0x20 132 #define SUGGEST_REMAP 0x30 133 #define SUGGEST_DIE 0x40 134 #define SUGGEST_SENSE 0x80 135 #define SUGGEST_IS_OK 0xff 136 137 #define DRIVER_MASK 0x0f 138 #define SUGGEST_MASK 0xf0 139 140 /* Other definitions */ 141 /* HZ isn't always available, so simulate it */ 142 #define SG_DEFAULT_HZ 1000 143 #define SG_DEFAULT_TIMEOUT (60*SG_DEFAULT_HZ) 144 145 #endif /* !_SCSI_SG_H */ 146