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getAdapterName: Lookup stable scsi_host

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If a parentaddr was provided in the XML, have getAdapterName lookup
the stable address.  This allows virStorageBackendSCSICheckPool() and
virStorageBackendSCSIRefreshPool() to automagically find the scsi_host
by its PCI address and unique_id
This commit is contained in:
John Ferlan 2014-06-09 12:19:16 -04:00
parent ef48a1b613
commit ea37fb34a9
1 changed files with 23 additions and 1 deletions
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22
src/storage/storage_backend_scsi.c
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@ -547,9 +547,29 @@ static char *
getAdapterName(virStoragePoolSourceAdapter adapter)
{
char *name = NULL;
char *parentaddr = NULL;
if (adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) {
if (adapter.data.scsi_host.has_parent) {
unsigned int unique_id = adapter.data.scsi_host.unique_id;
if (virAsprintf(&parentaddr, "%04x:%02x:%02x.%01x",
adapter.data.scsi_host.parentaddr.domain,
adapter.data.scsi_host.parentaddr.bus,
adapter.data.scsi_host.parentaddr.slot,
adapter.data.scsi_host.parentaddr.function) < 0)
goto cleanup;
if (!(name = virFindSCSIHostByPCI(NULL, parentaddr,
unique_id))) {
virReportError(VIR_ERR_XML_ERROR,
_("Failed to find scsi_host using PCI '%s' "
"and unique_id='%u'"),
parentaddr, unique_id);
goto cleanup;
}
} else {
ignore_value(VIR_STRDUP(name, adapter.data.scsi_host.name));
}
} else if (adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) {
if (!(name = virGetFCHostNameByWWN(NULL,
adapter.data.fchost.wwnn,
@ -561,6 +581,8 @@ getAdapterName(virStoragePoolSourceAdapter adapter)
}
}
cleanup:
VIR_FREE(parentaddr);
return name;
}