/* * Structures and definitions for SCSI commands to the SG passthrough device. * * $FreeBSD: src/sys/cam/scsi/scsi_sg.h,v 1.2 2007/04/10 20:03:42 scottl Exp $ */ #ifndef _SCSI_SG_H #define _SCSI_SG_H #include #define SGIOC '"' #define SG_SET_TIMEOUT _IO(SGIOC, 0x01) #define SG_GET_TIMEOUT _IO(SGIOC, 0x02) #define SG_EMULATED_HOST _IO(SGIOC, 0x03) #define SG_SET_TRANSFORM _IO(SGIOC, 0x04) #define SG_GET_TRANSFORM _IO(SGIOC, 0x05) #define SG_GET_COMMAND_Q _IO(SGIOC, 0x70) #define SG_SET_COMMAND_Q _IO(SGIOC, 0x71) #define SG_GET_RESERVED_SIZE _IO(SGIOC, 0x72) #define SG_SET_RESERVED_SIZE _IO(SGIOC, 0x75) #define SG_GET_SCSI_ID _IO(SGIOC, 0x76) #define SG_SET_FORCE_LOW_DMA _IO(SGIOC, 0x79) #define SG_GET_LOW_DMA _IO(SGIOC, 0x7a) #define SG_SET_FORCE_PACK_ID _IO(SGIOC, 0x7b) #define SG_GET_PACK_ID _IO(SGIOC, 0x7c) #define SG_GET_NUM_WAITING _IO(SGIOC, 0x7d) #define SG_SET_DEBUG _IO(SGIOC, 0x7e) #define SG_GET_SG_TABLESIZE _IO(SGIOC, 0x7f) #define SG_GET_VERSION_NUM _IO(SGIOC, 0x82) #define SG_NEXT_CMD_LEN _IO(SGIOC, 0x83) #define SG_SCSI_RESET _IO(SGIOC, 0x84) #define SG_IO _IO(SGIOC, 0x85) #define SG_GET_REQUEST_TABLE _IO(SGIOC, 0x86) #define SG_SET_KEEP_ORPHAN _IO(SGIOC, 0x87) #define SG_GET_KEEP_ORPHAN _IO(SGIOC, 0x88) #define SG_GET_ACCESS_COUNT _IO(SGIOC, 0x89) struct sg_io_hdr { int interface_id; int dxfer_direction; u_char cmd_len; u_char mx_sb_len; u_short iovec_count; u_int dxfer_len; void *dxferp; u_char *cmdp; u_char *sbp; u_int timeout; u_int flags; int pack_id; void *usr_ptr; u_char status; u_char masked_status; u_char msg_status; u_char sb_len_wr; u_short host_status; u_short driver_status; int resid; u_int duration; u_int info; }; #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 #define SG_MAX_SENSE 16 struct sg_header { int pack_len; int reply_len; int pack_id; int result; u_int twelve_byte:1; u_int target_status:5; u_int host_status:8; u_int driver_status:8; u_int other_flags:10; u_char sense_buffer[SG_MAX_SENSE]; }; struct sg_scsi_id { int host_no; int channel; int scsi_id; int lun; int scsi_type; short h_cmd_per_lun; short d_queue_depth; int unused[2]; }; struct scsi_idlun { uint32_t dev_id; uint32_t host_unique_id; }; /* * Host codes */ #define DID_OK 0x00 /* OK */ #define DID_NO_CONNECT 0x01 /* timeout during connect */ #define DID_BUS_BUSY 0x02 /* timeout during command */ #define DID_TIME_OUT 0x03 /* other timeout */ #define DID_BAD_TARGET 0x04 /* bad target */ #define DID_ABORT 0x05 /* abort */ #define DID_PARITY 0x06 /* parity error */ #define DID_ERROR 0x07 /* internal error */ #define DID_RESET 0x08 /* reset by somebody */ #define DID_BAD_INTR 0x09 /* unexpected interrupt */ #define DID_PASSTHROUGH 0x0a /* passthrough */ #define DID_SOFT_ERROR 0x0b /* low driver wants retry */ #define DID_IMM_RETRY 0x0c /* retry without decreasing retrycnt */ /* * Driver codes */ #define DRIVER_OK 0x00 #define DRIVER_BUSY 0x01 #define DRIVER_SOFT 0x02 #define DRIVER_MEDIA 0x03 #define DRIVER_ERROR 0x04 #define DRIVER_INVALID 0x05 #define DRIVER_TIMEOUT 0x06 #define DRIVER_HARD 0x07 #define DRIVER_SENSE 0x08 #define SUGGEST_RETRY 0x10 #define SUGGEST_ABORT 0x20 #define SUGGEST_REMAP 0x30 #define SUGGEST_DIE 0x40 #define SUGGEST_SENSE 0x80 #define SUGGEST_IS_OK 0xff #define DRIVER_MASK 0x0f #define SUGGEST_MASK 0xf0 /* Other definitions */ /* HZ isn't always available, so simulate it */ #define SG_DEFAULT_HZ 1000 #define SG_DEFAULT_TIMEOUT (60*SG_DEFAULT_HZ) #endif /* !_SCSI_SG_H */