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#include <sys/scsi/scsi.h> uint8_t *scsi_find_sense_descr(uint8_t *sense_buffer, int sense_buf_len, int req_descr_type);
Solaris DDI specific (Solaris DDI).
Pointer to a buffer containing SCSI descriptor sense data. The data is expected in wire format starting at the response code.
Integer that contains the length of sense buffer in bytes.
Integer that contains the descriptor type value for the desired sense descriptor.
The scsi_find_sense_descr() function is used to obtain a pointer to a specific descriptor type, specified by req_descr_type, within a descriptor sense buffer. Before returning the pointer, scsi_find_sense_descr() verifies that the entire descriptor is present based on the length provided in sense_buf_len.
Any value for req_descr_type can be requested. The following descriptor types are already defined:
#define DESCR_INFORMATION 0x00 #define DESCR_COMMAND_SPECIFIC 0x01 #define DESCR_SENSE_KEY_SPECIFIC 0x02 #define DESCR_FRU 0x03 #define DESCR_STREAM_COMMANDS 0x04 #define DESCR_BLOCK_COMMANDS 0x05 #define DESCR_OSD_OID 0x06 #define DESCR_OSD_RESP_INTEGRITY 0x07 #define DESCR_OSD_ATTR_ID 0x08
Drivers should use scsi_validate_sense(9F) to ensure that the sense buffer contains valid descriptor sense data.
The scsi_find_sense_descr() function returns a pointer to a sense descriptor of the requested type if a descriptor of that type exists. If no such descriptor exists, scsi_find_sense_descr() returns NULL.
The scsi_find_sense_descr() function can be called from user or interrupt context.
scsi_ext_sense_fields(9F), scsi_sense_asc(9F), scsi_sense_ascq(9F), scsi_sense_cmdspecific_uint64(9F), scsi_sense_info_uint64(9F), scsi_sense_key(9F), scsi_validate_sense(9F)