/*! Emulate REQUEST SENSE */
void
ide_request_sense(ide_device_info *device, ide_qrequest *qrequest)
{
scsi_ccb *request = qrequest->request;
scsi_cmd_request_sense *cmd = (scsi_cmd_request_sense *)request->cdb;
scsi_sense sense;
uint32 transferSize;
// cannot use finish_checksense here, as data is not copied into autosense buffer
// but into normal data buffer, SCSI result is GOOD and CAM status is REQ_CMP
if (device->combined_sense)
create_sense(device, &sense);
else
memset(&sense, 0, sizeof(sense));
copy_sg_data(request, 0, cmd->allocation_length, &sense, sizeof(sense), false);
// reset sense information on read
device->combined_sense = 0;
transferSize = min_c(sizeof(sense), cmd->allocation_length);
transferSize = min_c(transferSize, request->data_length);
request->data_resid = request->data_length - transferSize;
// normally, all flags are set to "success", but for Request Sense
// this would have overwritten the sense we want to read
device->subsys_status = SCSI_REQ_CMP;
request->device_status = SCSI_STATUS_GOOD;
}
void notify_sense( ide_qrequest *qrequest )
{
CCB_SCSIIO *request = qrequest->request;
ide_device_info *device = qrequest->device;
if( request->cam_ch.cam_status == CAM_REQ_CMP ) {
request->cam_ch.cam_status = CAM_REQ_CMP_ERR;
request->cam_scsi_status = SCSI_STATUS_CHECK_CONDITION;
if( (request->cam_ch.cam_flags & CAM_DIS_AUTOSENSE) == 0 ) {
scsi_sense sense;
int sense_len;
create_sense( device, &sense );
sense_len = min( request->cam_sense_len, sizeof( sense ));
if( request->cam_sense_ptr != NULL ) {
memcpy( request->cam_sense_ptr, &sense, sense_len );
request->cam_sense_resid = request->cam_sense_len - sense_len;
request->cam_sense_len = sense_len;
}
request->cam_ch.cam_status |= CAM_AUTOSNS_VALID;
device->combined_sense = 0;
}
} else
// we destroyed old sense data anyway, so there's no way
// to restore them if this request went seriously wrong
device->combined_sense = 0;
}
