[libvirt] [PATCH v3 11/18] conf: Rework storage_conf to use adapter specific typedefs
John Ferlan
jferlan at redhat.com
Fri Mar 10 21:10:43 UTC 2017
Rework the helpers/APIs to use the FCHost and SCSIHost adapter types.
Continue to realign the code for shorter lines.
Signed-off-by: John Ferlan <jferlan at redhat.com>
---
src/conf/storage_conf.c | 112 ++++++++++++++++++++++++++----------------------
1 file changed, 61 insertions(+), 51 deletions(-)
diff --git a/src/conf/storage_conf.c b/src/conf/storage_conf.c
index 8709101..45dc860 100644
--- a/src/conf/storage_conf.c
+++ b/src/conf/storage_conf.c
@@ -2085,16 +2085,16 @@ virStoragePoolObjIsDuplicate(virStoragePoolObjListPtr pools,
static int
-getSCSIHostNumber(virStoragePoolSourceAdapter adapter,
+getSCSIHostNumber(virStorageAdapterSCSIHostPtr scsi_host,
unsigned int *hostnum)
{
int ret = -1;
unsigned int num;
char *name = NULL;
- if (adapter.data.scsi_host.has_parent) {
- virPCIDeviceAddress addr = adapter.data.scsi_host.parentaddr;
- unsigned int unique_id = adapter.data.scsi_host.unique_id;
+ if (scsi_host->has_parent) {
+ virPCIDeviceAddress addr = scsi_host->parentaddr;
+ unsigned int unique_id = scsi_host->unique_id;
if (!(name = virSCSIHostGetNameByParentaddr(addr.domain,
addr.bus,
@@ -2105,7 +2105,7 @@ getSCSIHostNumber(virStoragePoolSourceAdapter adapter,
if (virSCSIHostGetNumber(name, &num) < 0)
goto cleanup;
} else {
- if (virSCSIHostGetNumber(adapter.data.scsi_host.name, &num) < 0)
+ if (virSCSIHostGetNumber(scsi_host->name, &num) < 0)
goto cleanup;
}
@@ -2136,7 +2136,7 @@ virStorageIsSameHostnum(const char *name,
* matchFCHostToSCSIHost:
*
* @conn: Connection pointer
- * @fc_adapter: fc_host adapter (either def or pool->def)
+ * @fchost: fc_host adapter ptr (either def or pool->def)
* @scsi_hostnum: Already determined "scsi_pool" hostnum
*
* Returns true/false whether there is a match between the incoming
@@ -2144,7 +2144,7 @@ virStorageIsSameHostnum(const char *name,
*/
static bool
matchFCHostToSCSIHost(virConnectPtr conn,
- virStoragePoolSourceAdapter fc_adapter,
+ virStorageAdapterFCHostPtr fchost,
unsigned int scsi_hostnum)
{
bool ret = false;
@@ -2155,15 +2155,14 @@ matchFCHostToSCSIHost(virConnectPtr conn,
/* If we have a parent defined, get its hostnum, and compare to the
* scsi_hostnum. If they are the same, then we have a match
*/
- if (fc_adapter.data.fchost.parent &&
- virStorageIsSameHostnum(fc_adapter.data.fchost.parent, scsi_hostnum))
+ if (fchost->parent &&
+ virStorageIsSameHostnum(fchost->parent, scsi_hostnum))
return true;
- /* If we find an fc_adapter name, then either libvirt created a vHBA
+ /* If we find an fc adapter name, then either libvirt created a vHBA
* for this fc_host or a 'virsh nodedev-create' generated a vHBA.
*/
- if ((name = virVHBAGetHostByWWN(NULL, fc_adapter.data.fchost.wwnn,
- fc_adapter.data.fchost.wwpn))) {
+ if ((name = virVHBAGetHostByWWN(NULL, fchost->wwnn, fchost->wwpn))) {
/* Get the scsi_hostN for the vHBA in order to see if it
* matches our scsi_hostnum
@@ -2178,7 +2177,7 @@ matchFCHostToSCSIHost(virConnectPtr conn,
* If the parent fc_hostnum is the same as the scsi_hostnum, we
* have a match.
*/
- if (conn && !fc_adapter.data.fchost.parent) {
+ if (conn && !fchost->parent) {
if (virAsprintf(&scsi_host_name, "scsi_%s", name) < 0)
goto cleanup;
if ((parent_name = virNodeDeviceGetParentName(conn,
@@ -2210,25 +2209,21 @@ matchFCHostToSCSIHost(virConnectPtr conn,
return ret;
}
+
static bool
-matchSCSIAdapterParent(virStoragePoolObjPtr pool,
- virStoragePoolDefPtr def)
+matchSCSIAdapterParent(virStorageAdapterSCSIHostPtr pool_scsi_host,
+ virStorageAdapterSCSIHostPtr def_scsi_host)
{
- virPCIDeviceAddressPtr pooladdr =
- &pool->def->source.adapter.data.scsi_host.parentaddr;
- virPCIDeviceAddressPtr defaddr =
- &def->source.adapter.data.scsi_host.parentaddr;
- int pool_unique_id =
- pool->def->source.adapter.data.scsi_host.unique_id;
- int def_unique_id =
- def->source.adapter.data.scsi_host.unique_id;
+ virPCIDeviceAddressPtr pooladdr = &pool_scsi_host->parentaddr;
+ virPCIDeviceAddressPtr defaddr = &def_scsi_host->parentaddr;
+
if (pooladdr->domain == defaddr->domain &&
pooladdr->bus == defaddr->bus &&
pooladdr->slot == defaddr->slot &&
pooladdr->function == defaddr->function &&
- pool_unique_id == def_unique_id) {
+ pool_scsi_host->unique_id == def_scsi_host->unique_id)
return true;
- }
+
return false;
}
@@ -2271,6 +2266,8 @@ virStoragePoolSourceFindDuplicate(virConnectPtr conn,
int ret = 1;
virStoragePoolObjPtr pool = NULL;
virStoragePoolObjPtr matchpool = NULL;
+ virStoragePoolSourceAdapterPtr pool_adapter;
+ virStoragePoolSourceAdapterPtr def_adapter;
/* Check the pool list for duplicate underlying storage */
for (i = 0; i < pools->count; i++) {
@@ -2306,63 +2303,76 @@ virStoragePoolSourceFindDuplicate(virConnectPtr conn,
break;
case VIR_STORAGE_POOL_SCSI:
- if (pool->def->source.adapter.type ==
+ pool_adapter = &pool->def->source.adapter;
+ def_adapter = &def->source.adapter;
+
+ if (pool_adapter->type ==
VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST &&
- def->source.adapter.type ==
+ def_adapter->type ==
VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) {
- if (STREQ(pool->def->source.adapter.data.fchost.wwnn,
- def->source.adapter.data.fchost.wwnn) &&
- STREQ(pool->def->source.adapter.data.fchost.wwpn,
- def->source.adapter.data.fchost.wwpn))
+ virStorageAdapterFCHostPtr pool_fchost =
+ &pool_adapter->data.fchost;
+ virStorageAdapterFCHostPtr def_fchost =
+ &def_adapter->data.fchost;
+
+ if (STREQ(pool_fchost->wwnn, def_fchost->wwnn) &&
+ STREQ(pool_fchost->wwpn, def_fchost->wwpn))
matchpool = pool;
- } else if (pool->def->source.adapter.type ==
+ } else if (pool_adapter->type ==
VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST &&
- def->source.adapter.type ==
+ def_adapter->type ==
VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) {
+ virStorageAdapterSCSIHostPtr pool_scsi_host =
+ &pool_adapter->data.scsi_host;
+ virStorageAdapterSCSIHostPtr def_scsi_host =
+ &def_adapter->data.scsi_host;
unsigned int pool_hostnum, def_hostnum;
- if (pool->def->source.adapter.data.scsi_host.has_parent &&
- def->source.adapter.data.scsi_host.has_parent &&
- matchSCSIAdapterParent(pool, def)) {
+ if (pool_scsi_host->has_parent &&
+ def_scsi_host->has_parent &&
+ matchSCSIAdapterParent(pool_scsi_host, def_scsi_host)) {
matchpool = pool;
break;
}
- if (getSCSIHostNumber(pool->def->source.adapter,
- &pool_hostnum) < 0 ||
- getSCSIHostNumber(def->source.adapter, &def_hostnum) < 0)
+ if (getSCSIHostNumber(pool_scsi_host, &pool_hostnum) < 0 ||
+ getSCSIHostNumber(def_scsi_host, &def_hostnum) < 0)
break;
if (pool_hostnum == def_hostnum)
matchpool = pool;
- } else if (pool->def->source.adapter.type ==
+ } else if (pool_adapter->type ==
VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST &&
- def->source.adapter.type ==
+ def_adapter->type ==
VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) {
+ virStorageAdapterFCHostPtr pool_fchost =
+ &pool_adapter->data.fchost;
+ virStorageAdapterSCSIHostPtr def_scsi_host =
+ &def_adapter->data.scsi_host;
unsigned int scsi_hostnum;
/* Get the scsi_hostN for the scsi_host source adapter def */
- if (getSCSIHostNumber(def->source.adapter,
- &scsi_hostnum) < 0)
+ if (getSCSIHostNumber(def_scsi_host, &scsi_hostnum) < 0)
break;
- if (matchFCHostToSCSIHost(conn, pool->def->source.adapter,
- scsi_hostnum)) {
+ if (matchFCHostToSCSIHost(conn, pool_fchost, scsi_hostnum)) {
matchpool = pool;
break;
}
- } else if (pool->def->source.adapter.type ==
+ } else if (pool_adapter->type ==
VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST &&
- def->source.adapter.type ==
+ def_adapter->type ==
VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) {
+ virStorageAdapterSCSIHostPtr pool_scsi_host =
+ &pool_adapter->data.scsi_host;
+ virStorageAdapterFCHostPtr def_fchost =
+ &def_adapter->data.fchost;
unsigned int scsi_hostnum;
- if (getSCSIHostNumber(pool->def->source.adapter,
- &scsi_hostnum) < 0)
+ if (getSCSIHostNumber(pool_scsi_host, &scsi_hostnum) < 0)
break;
- if (matchFCHostToSCSIHost(conn, def->source.adapter,
- scsi_hostnum)) {
+ if (matchFCHostToSCSIHost(conn, def_fchost, scsi_hostnum)) {
matchpool = pool;
break;
}
--
2.9.3
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