There is no this case. We always have auto request sense to device in case of CHECK_CONDITION status.
2014-11-28 18:14 GMT+08:00 Hannes Reinecke <h...@suse.de>: > On 11/28/2014 11:07 AM, Ching Huang wrote: >> From: Ching Huang <ching2...@areca.com.tw> >> >> Setting command status with 'DRIVER_SENSE' except 'CHECK_CONDITION' if we >> have sense data. >> >> Signed-off-by: Ching Huang <ching2...@areca.com.tw> >> --- >> >> This patch is relative to >> http://git.infradead.org/users/hch/scsi-queue.git/tree/refs/heads/drivers-for-3.18:/drivers/scsi/arcmsr >> >> >> diff -uprN a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h >> --- a/drivers/scsi/arcmsr/arcmsr.h 2014-09-19 11:04:41.845100000 +0800 >> +++ b/drivers/scsi/arcmsr/arcmsr.h 2014-11-28 10:54:30.000000000 +0800 >> @@ -52,7 +52,7 @@ struct device_attribute; >> #define ARCMSR_MAX_FREECCB_NUM 320 >> #define ARCMSR_MAX_OUTSTANDING_CMD 255 >> #endif >> -#define ARCMSR_DRIVER_VERSION "v1.30.00.04-20140919" >> +#define ARCMSR_DRIVER_VERSION "v1.30.00.05-20141128" >> #define ARCMSR_SCSI_INITIATOR_ID >> 255 >> #define ARCMSR_MAX_XFER_SECTORS >> 512 >> #define ARCMSR_MAX_XFER_SECTORS_B >> 4096 >> diff -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c >> b/drivers/scsi/arcmsr/arcmsr_hba.c >> --- a/drivers/scsi/arcmsr/arcmsr_hba.c 2014-09-19 11:01:26.990090000 >> +0800 >> +++ b/drivers/scsi/arcmsr/arcmsr_hba.c 2014-11-28 17:51:04.000000000 >> +0800 >> @@ -989,16 +989,15 @@ static void arcmsr_report_sense_info(str >> >> struct scsi_cmnd *pcmd = ccb->pcmd; >> struct SENSE_DATA *sensebuffer = (struct SENSE_DATA >> *)pcmd->sense_buffer; >> - pcmd->result = DID_OK << 16; >> - if (sensebuffer) { >> - int sense_data_length = >> + >> + pcmd->result = (DRIVER_SENSE << 24) | (DID_OK << 16) | >> (CHECK_CONDITION << 1); >> + int sense_data_length = >> sizeof(struct SENSE_DATA) < SCSI_SENSE_BUFFERSIZE >> ? sizeof(struct SENSE_DATA) : SCSI_SENSE_BUFFERSIZE; >> - memset(sensebuffer, 0, SCSI_SENSE_BUFFERSIZE); >> - memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, >> sense_data_length); >> - sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS; >> - sensebuffer->Valid = 1; >> - } >> + memset(sensebuffer, 0, SCSI_SENSE_BUFFERSIZE); >> + memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length); >> + sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS; >> + sensebuffer->Valid = 1; >> } >> >> static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) >> >> > Hmm. Sorry to be picky, but: > > Is there a chance the _no_ sense data will be provided? > If so we'd end up starting the error handler, calling REQUEST SENSE > (which will fail, too), and finally offlining the device. > I'd rather provide a default sense code for these cases. > > Plus please use SAM_STAT_CHECK_CONDITION instead of > CHECK_CONDITION << 1. > > Cheers, > > Hannes > -- > Dr. Hannes Reinecke zSeries & Storage > h...@suse.de +49 911 74053 688 > SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg > GF: J. Hawn, J. Guild, F. Imendörffer, HRB 21284 (AG Nürnberg) -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html