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lib: Parse sense specific descriptor

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Extend struct scsi_sense with sense specific descriptor information,
introduce the function scsi_parse_sense_data() and let that function
parse the sense specific descriptor.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
This commit is contained in:
Bart Van Assche
2015-04-21 14:13:15 +02:00
committed by Ronnie Sahlberg
parent fbc87ab12f
commit 8435f9722e
5 changed files with 72 additions and 28 deletions
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12
include/scsi-lowlevel.h
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@@ -254,6 +254,16 @@ struct scsi_sense {
unsigned char error_type;
enum scsi_sense_key key;
int ascq;
/*
* Sense specific descriptor. See also paragraph "Sense key specific
* sense data descriptor" in SPC.
*/
unsigned sense_specific:1;
unsigned ill_param_in_cdb:1;
unsigned bit_pointer_valid:1;
unsigned char bit_pointer;
uint16_t field_pointer;
};
struct scsi_data {
@@ -1051,6 +1061,8 @@ EXTERN int scsi_datain_getfullsize(struct scsi_task *task);
EXTERN void *scsi_datain_unmarshall(struct scsi_task *task);
EXTERN void *scsi_cdb_unmarshall(struct scsi_task *task, enum scsi_opcode opcode);
EXTERN void scsi_parse_sense_data(struct scsi_sense *sense, const uint8_t *sb);
EXTERN struct scsi_task *scsi_cdb_compareandwrite(uint64_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int fua, int fua_nv, int group_number);
EXTERN struct scsi_task *scsi_cdb_get_lba_status(uint64_t starting_lba, uint32_t alloc_len);
EXTERN struct scsi_task *scsi_cdb_orwrite(uint64_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int fua, int fua_nv, int group_number);