1/* 2 * Structures and definitions for SCSI commands to the SG passthrough device. 3 * 4 * $FreeBSD$ 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 37struct 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 69struct sg_header { 70 int pack_len; 71 int reply_len; 72 int pack_id; 73 int result; 74 u_int twelve_byte:1; 75 u_int target_status:5; 76 u_int host_status:8; 77 u_int driver_status:8; 78 u_int other_flags:10; 79 u_char sense_buffer[SG_MAX_SENSE]; 80}; 81 82struct sg_scsi_id { 83 int host_no; 84 int channel; 85 int scsi_id; 86 int lun; 87 int scsi_type; 88 short h_cmd_per_lun; 89 short d_queue_depth; 90 int unused[2]; 91}; 92 93struct scsi_idlun { 94 uint32_t dev_id; 95 uint32_t host_unique_id; 96}; 97 98/* 99 * Host codes 100 */ 101#define DID_OK 0x00 /* OK */ 102#define DID_NO_CONNECT 0x01 /* timeout during connect */ 103#define DID_BUS_BUSY 0x02 /* timeout during command */ 104#define DID_TIME_OUT 0x03 /* other timeout */ 105#define DID_BAD_TARGET 0x04 /* bad target */ 106#define DID_ABORT 0x05 /* abort */ 107#define DID_PARITY 0x06 /* parity error */ 108#define DID_ERROR 0x07 /* internal error */ 109#define DID_RESET 0x08 /* reset by somebody */ 110#define DID_BAD_INTR 0x09 /* unexpected interrupt */ 111#define DID_PASSTHROUGH 0x0a /* passthrough */ 112#define DID_SOFT_ERROR 0x0b /* low driver wants retry */ 113#define DID_IMM_RETRY 0x0c /* retry without decreasing retrycnt */ 114 115/* 116 * Driver codes 117 */ 118#define DRIVER_OK 0x00 119#define DRIVER_BUSY 0x01 120#define DRIVER_SOFT 0x02 121#define DRIVER_MEDIA 0x03 122#define DRIVER_ERROR 0x04 123 124#define DRIVER_INVALID 0x05 125#define DRIVER_TIMEOUT 0x06 126#define DRIVER_HARD 0x07 127#define DRIVER_SENSE 0x08 128 129#define SUGGEST_RETRY 0x10 130#define SUGGEST_ABORT 0x20 131#define SUGGEST_REMAP 0x30 132#define SUGGEST_DIE 0x40 133#define SUGGEST_SENSE 0x80 134#define SUGGEST_IS_OK 0xff 135 136#define DRIVER_MASK 0x0f 137#define SUGGEST_MASK 0xf0 138 139/* Other definitions */ 140/* HZ isn't always available, so simulate it */ 141#define SG_DEFAULT_HZ 1000 142#define SG_DEFAULT_TIMEOUT (60*SG_DEFAULT_HZ) 143 144#endif /* !_SCSI_SG_H */ 145