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/*
* this is from the linux kernel scsi_eh.h
*/
#ifndef _SCSI_SCSI_H
#define _SCSI_SCSI_H
#include <stdint.h>
/*
* This is a slightly modified SCSI sense "descriptor" format header.
* The addition is to allow the 0x70 and 0x71 response codes. The idea
* is to place the salient data from either "fixed" or "descriptor" sense
* format into one structure to ease application processing.
*
* The original sense buffer should be kept around for those cases
* in which more information is required (e.g. the LBA of a MEDIUM ERROR).
*/
struct scsi_sense_hdr { /* See SPC-3 section 4.5 */
uint8_t response_code; /* permit: 0x0, 0x70, 0x71, 0x72, 0x73 */
uint8_t sense_key;
uint8_t asc;
uint8_t ascq;
uint8_t byte4;
uint8_t byte5;
uint8_t byte6;
uint8_t additional_length; /* always 0 for fixed sense format */
};
static inline int scsi_sense_valid(struct scsi_sense_hdr *sshdr)
{
if (!sshdr)
return 0;
return (sshdr->response_code & 0x70) == 0x70;
}
extern int scsi_normalize_sense(const uint8_t *sense_buffer, int sb_len,
struct scsi_sense_hdr *sshdr);
#endif
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