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 #include <sys/ioccom.h> 11 12 #define SGIOC '"' 13 #define SG_SET_TIMEOUT _IO(SGIOC, 0x01) 14 #define SG_GET_TIMEOUT _IO(SGIOC, 0x02) 15 #define SG_EMULATED_HOST _IO(SGIOC, 0x03) 16 #define SG_SET_TRANSFORM _IO(SGIOC, 0x04) 17 #define SG_GET_TRANSFORM _IO(SGIOC, 0x05) 18 #define SG_GET_COMMAND_Q _IO(SGIOC, 0x70) 19 #define SG_SET_COMMAND_Q _IO(SGIOC, 0x71) 20 #define SG_GET_RESERVED_SIZE _IO(SGIOC, 0x72) 21 #define SG_SET_RESERVED_SIZE _IO(SGIOC, 0x75) 22 #define SG_GET_SCSI_ID _IO(SGIOC, 0x76) 23 #define SG_SET_FORCE_LOW_DMA _IO(SGIOC, 0x79) 24 #define SG_GET_LOW_DMA _IO(SGIOC, 0x7a) 25 #define SG_SET_FORCE_PACK_ID _IO(SGIOC, 0x7b) 26 #define SG_GET_PACK_ID _IO(SGIOC, 0x7c) 27 #define SG_GET_NUM_WAITING _IO(SGIOC, 0x7d) 28 #define SG_SET_DEBUG _IO(SGIOC, 0x7e) 29 #define SG_GET_SG_TABLESIZE _IO(SGIOC, 0x7f) 30 #define SG_GET_VERSION_NUM _IO(SGIOC, 0x82) 31 #define SG_NEXT_CMD_LEN _IO(SGIOC, 0x83) 32 #define SG_SCSI_RESET _IO(SGIOC, 0x84) 33 #define SG_IO _IO(SGIOC, 0x85) 34 #define SG_GET_REQUEST_TABLE _IO(SGIOC, 0x86) 35 #define SG_SET_KEEP_ORPHAN _IO(SGIOC, 0x87) 36 #define SG_GET_KEEP_ORPHAN _IO(SGIOC, 0x88) 37 #define SG_GET_ACCESS_COUNT _IO(SGIOC, 0x89) 38 39 struct sg_io_hdr { 40 int interface_id; 41 int dxfer_direction; 42 u_char cmd_len; 43 u_char mx_sb_len; 44 u_short iovec_count; 45 u_int dxfer_len; 46 void *dxferp; 47 u_char *cmdp; 48 u_char *sbp; 49 u_int timeout; 50 u_int flags; 51 int pack_id; 52 void *usr_ptr; 53 u_char status; 54 u_char masked_status; 55 u_char msg_status; 56 u_char sb_len_wr; 57 u_short host_status; 58 u_short driver_status; 59 int resid; 60 u_int duration; 61 u_int info; 62 }; 63 64 #define SG_DXFER_NONE -1 65 #define SG_DXFER_TO_DEV -2 66 #define SG_DXFER_FROM_DEV -3 67 #define SG_DXFER_TO_FROM_DEV -4 68 #define SG_DXFER_UNKNOWN -5 69 70 #define SG_MAX_SENSE 16 71 72 struct sg_header { 73 int pack_len; 74 int reply_len; 75 int pack_id; 76 int result; 77 u_int twelve_byte:1; 78 u_int target_status:5; 79 u_int host_status:8; 80 u_int driver_status:8; 81 u_int other_flags:10; 82 u_char sense_buffer[SG_MAX_SENSE]; 83 }; 84 85 struct sg_scsi_id { 86 int host_no; 87 int channel; 88 int scsi_id; 89 int lun; 90 int scsi_type; 91 short h_cmd_per_lun; 92 short d_queue_depth; 93 int unused[2]; 94 }; 95 96 struct scsi_idlun { 97 uint32_t dev_id; 98 uint32_t host_unique_id; 99 }; 100 101 /* 102 * Host codes 103 */ 104 #define DID_OK 0x00 /* OK */ 105 #define DID_NO_CONNECT 0x01 /* timeout during connect */ 106 #define DID_BUS_BUSY 0x02 /* timeout during command */ 107 #define DID_TIME_OUT 0x03 /* other timeout */ 108 #define DID_BAD_TARGET 0x04 /* bad target */ 109 #define DID_ABORT 0x05 /* abort */ 110 #define DID_PARITY 0x06 /* parity error */ 111 #define DID_ERROR 0x07 /* internal error */ 112 #define DID_RESET 0x08 /* reset by somebody */ 113 #define DID_BAD_INTR 0x09 /* unexpected interrupt */ 114 #define DID_PASSTHROUGH 0x0a /* passthrough */ 115 #define DID_SOFT_ERROR 0x0b /* low driver wants retry */ 116 #define DID_IMM_RETRY 0x0c /* retry without decreasing retrycnt */ 117 118 /* 119 * Driver codes 120 */ 121 #define DRIVER_OK 0x00 122 #define DRIVER_BUSY 0x01 123 #define DRIVER_SOFT 0x02 124 #define DRIVER_MEDIA 0x03 125 #define DRIVER_ERROR 0x04 126 127 #define DRIVER_INVALID 0x05 128 #define DRIVER_TIMEOUT 0x06 129 #define DRIVER_HARD 0x07 130 #define DRIVER_SENSE 0x08 131 132 #define SUGGEST_RETRY 0x10 133 #define SUGGEST_ABORT 0x20 134 #define SUGGEST_REMAP 0x30 135 #define SUGGEST_DIE 0x40 136 #define SUGGEST_SENSE 0x80 137 #define SUGGEST_IS_OK 0xff 138 139 #define DRIVER_MASK 0x0f 140 #define SUGGEST_MASK 0xf0 141 142 /* Other definitions */ 143 /* HZ isn't always available, so simulate it */ 144 #define SG_DEFAULT_HZ 1000 145 #define SG_DEFAULT_TIMEOUT (60*SG_DEFAULT_HZ) 146 147 #endif /* !_SCSI_SG_H */ 148