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authorMoore, Eric <Eric.Moore@lsil.com>2006-01-13 16:25:20 -0700
committerJames Bottomley <jejb@mulgrave.(none)>2006-01-14 10:55:06 -0600
commit816aa907b909177bdf6e6e6b0d00c5e5a6e2be8c (patch)
tree5953e5fc46a49bcdb28b17c6812469af4cc59c93
parente02f3f59225d8c3b2a0ad0dc941a09865e27da61 (diff)
downloadop-kernel-dev-816aa907b909177bdf6e6e6b0d00c5e5a6e2be8c.zip
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[SCSI] fusion - adding raid support in mptsas
The SAS RAID volumes are reported beyond the expected number of phys. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
-rw-r--r--drivers/message/fusion/mptbase.h1
-rw-r--r--drivers/message/fusion/mptsas.c27
2 files changed, 27 insertions, 1 deletions
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 25f4406..47053ac 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -630,6 +630,7 @@ typedef struct _MPT_ADAPTER
struct list_head sas_topology;
struct mutex sas_topology_mutex;
MPT_SAS_MGMT sas_mgmt;
+ int num_ports;
struct list_head fc_rports;
spinlock_t fc_rport_lock; /* list and ri flags */
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 668a101..5a06d8d 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -274,6 +274,16 @@ mptsas_slave_alloc(struct scsi_device *sdev)
hd->Targets[sdev->id] = vtarget;
}
+ /*
+ RAID volumes placed beyond the last expected port.
+ */
+ if (sdev->channel == hd->ioc->num_ports) {
+ vdev->target_id = sdev->id;
+ vdev->bus_id = 0;
+ vdev->lun = 0;
+ goto out;
+ }
+
rphy = dev_to_rphy(sdev->sdev_target->dev.parent);
mutex_lock(&hd->ioc->sas_topology_mutex);
list_for_each_entry(p, &hd->ioc->sas_topology, list) {
@@ -284,6 +294,7 @@ mptsas_slave_alloc(struct scsi_device *sdev)
p->phy_info[i].attached.id;
vdev->bus_id = p->phy_info[i].attached.channel;
vdev->lun = sdev->lun;
+ mutex_unlock(&hd->ioc->sas_topology_mutex);
goto out;
}
}
@@ -295,7 +306,6 @@ mptsas_slave_alloc(struct scsi_device *sdev)
return -ENODEV;
out:
- mutex_unlock(&hd->ioc->sas_topology_mutex);
vtarget->ioc_id = vdev->ioc_id;
vtarget->target_id = vdev->target_id;
vtarget->bus_id = vdev->bus_id;
@@ -1051,6 +1061,7 @@ mptsas_probe_hba_phys(MPT_ADAPTER *ioc, int *index)
if (error)
goto out_free_port_info;
+ ioc->num_ports = port_info->num_phys;
mutex_lock(&ioc->sas_topology_mutex);
list_add_tail(&port_info->list, &ioc->sas_topology);
mutex_unlock(&ioc->sas_topology_mutex);
@@ -1585,6 +1596,20 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mptsas_scan_sas_topology(ioc);
+ /*
+ Reporting RAID volumes.
+ */
+ if (!ioc->raid_data.pIocPg2)
+ return 0;
+ if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
+ return 0;
+ for (ii=0;ii<ioc->raid_data.pIocPg2->NumActiveVolumes;ii++) {
+ scsi_add_device(sh,
+ ioc->num_ports,
+ ioc->raid_data.pIocPg2->RaidVolume[ii].VolumeID,
+ 0);
+ }
+
return 0;
out_mptsas_probe:
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