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#include <linux/../scsi/scsi.h> /* cope with silly includes */
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/* Feel free to copy and modify this GPL-ed code into your applications. */
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/* Version 0.61 (990519) */
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/* Some of the following error/status codes are exchanged between the
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various layers of the SCSI sub-system in Linux and should never
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reach the user. They are placed here for completeness. What appears
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here is copied from drivers/scsi/scsi.h which is not visible in
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/* The following are 'host_status' codes */
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#ifndef DID_NO_CONNECT
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#define DID_NO_CONNECT 0x01 /* Unable to connect before timeout */
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#define DID_BUS_BUSY 0x02 /* Bus remain busy until timeout */
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#define DID_TIME_OUT 0x03 /* Timed out for some other reason */
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#define DID_BAD_TARGET 0x04 /* Bad target (id?) */
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#define DID_ABORT 0x05 /* Told to abort for some other reason */
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#define DID_PARITY 0x06 /* Parity error (on SCSI bus) */
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#define DID_ERROR 0x07 /* Internal error */
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#define DID_RESET 0x08 /* Reset by somebody */
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#define DID_BAD_INTR 0x09 /* Received an unexpected interrupt */
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#define DID_PASSTHROUGH 0x0a /* Force command past mid-level */
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#define DID_SOFT_ERROR 0x0b /* The low-level driver wants a retry */
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/* The following are 'driver_status' codes */
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#define DRIVER_OK 0x00
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#define DRIVER_BUSY 0x01
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#define DRIVER_SOFT 0x02
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#define DRIVER_MEDIA 0x03
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#define DRIVER_ERROR 0x04
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#define DRIVER_INVALID 0x05
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#define DRIVER_TIMEOUT 0x06
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#define DRIVER_HARD 0x07
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#define DRIVER_SENSE 0x08 /* Sense_buffer has been set */
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/* Following "suggests" are "or-ed" with one of previous 8 entries */
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#define SUGGEST_RETRY 0x10
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#define SUGGEST_ABORT 0x20
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#define SUGGEST_REMAP 0x30
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#define SUGGEST_DIE 0x40
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#define SUGGEST_SENSE 0x80
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#define SUGGEST_IS_OK 0xff
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#define DRIVER_MASK 0x0f
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#define SUGGEST_MASK 0xf0
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#define SG_ERR_MAX_SENSE_LEN 16
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/* The following "print" functions send ACSII to stdout */
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extern void sg_print_command(const unsigned char * command);
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extern void sg_print_sense(const char * leadin,
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const unsigned char * sense_buffer);
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extern void sg_print_target_status(int target_status);
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extern void sg_print_host_status(int host_status);
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extern void sg_print_driver_status(int driver_status);
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/* sg_chk_n_print() returns 1 quietly if there are no errors/warnings
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else it prints to standard output and returns 0. */
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extern int sg_chk_n_print(const char * leadin, int target_status,
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int host_status, int driver_status,
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const unsigned char * sense_buffer);
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/* The following "category" function returns one of the following */
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#define SG_ERR_CAT_CLEAN 0 /* No errors or other information */
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#define SG_ERR_CAT_MEDIA_CHANGED 1 /* interpreted from sense buffer */
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#define SG_ERR_CAT_RESET 2 /* interpreted from sense buffer */
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#define SG_ERR_CAT_TIMEOUT 3
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#define SG_ERR_CAT_RECOVERED 4 /* Successful command after recovered err */
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#define SG_ERR_CAT_SENSE 98 /* Something else is in the sense buffer */
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#define SG_ERR_CAT_OTHER 99 /* Some other error/warning has occurred */
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extern int sg_err_category(int target_status, int host_status,
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int driver_status, const unsigned char * sense_buffer);
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/* Returns length of SCSI command given the opcode (first byte) */
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int sg_get_command_size(unsigned char opcode);
added
removed
dao/sg_err.h
