diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_ctl.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_ctl.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c index 55fbd5b69b83..ce63a4a66706 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c @@ -80,6 +80,32 @@ enum block_state { BLOCKING, }; +/** + * _ctl_sas_device_find_by_handle - sas device search + * @ioc: per adapter object + * @handle: sas device handle (assigned by firmware) + * Context: Calling function should acquire ioc->sas_device_lock + * + * This searches for sas_device based on sas_address, then return sas_device + * object. + */ +static struct _sas_device * +_ctl_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) +{ + struct _sas_device *sas_device, *r; + + r = NULL; + list_for_each_entry(sas_device, &ioc->sas_device_list, list) { + if (sas_device->handle != handle) + continue; + r = sas_device; + goto out; + } + + out: + return r; +} + #ifdef CONFIG_SCSI_MPT2SAS_LOGGING /** * _ctl_display_some_debug - debug routine @@ -205,6 +231,22 @@ _ctl_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid, MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { Mpi2SCSIIOReply_t *scsi_reply = (Mpi2SCSIIOReply_t *)mpi_reply; + struct _sas_device *sas_device = NULL; + unsigned long flags; + + spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device = _ctl_sas_device_find_by_handle(ioc, + le16_to_cpu(scsi_reply->DevHandle)); + if (sas_device) { + printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), " + "phy(%d)\n", ioc->name, (unsigned long long) + sas_device->sas_address, sas_device->phy); + printk(MPT2SAS_WARN_FMT + "\tenclosure_logical_id(0x%016llx), slot(%d)\n", + ioc->name, sas_device->enclosure_logical_id, + sas_device->slot); + } + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); if (scsi_reply->SCSIState || scsi_reply->SCSIStatus) printk(MPT2SAS_INFO_FMT "\tscsi_state(0x%02x), scsi_status" |