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nodedev: Introduce virNodeDeviceObjListNew

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In preparation to make things private, make the ->devs be pointers to a
virNodeDeviceObjList and then manage everything inside virnodedeviceobj

Signed-off-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
John Ferlan 2017-05-12 13:51:25 -04:00
parent 65981c8596
commit 9c5d98fd83
7 changed files with 61 additions and 38 deletions
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13
src/conf/virnodedeviceobj.c
View File

@ -273,6 +273,17 @@ virNodeDeviceObjFree(virNodeDeviceObjPtr obj)
}
virNodeDeviceObjListPtr
virNodeDeviceObjListNew(void)
{
virNodeDeviceObjListPtr devs;
if (VIR_ALLOC(devs) < 0)
return NULL;
return devs;
}
void
virNodeDeviceObjListFree(virNodeDeviceObjListPtr devs)
{
@ -280,7 +291,7 @@ virNodeDeviceObjListFree(virNodeDeviceObjListPtr devs)
for (i = 0; i < devs->count; i++)
virNodeDeviceObjFree(devs->objs[i]);
VIR_FREE(devs->objs);
devs->count = 0;
VIR_FREE(devs);
}

5
src/conf/virnodedeviceobj.h
View File

@ -32,7 +32,7 @@ typedef virNodeDeviceDriverState *virNodeDeviceDriverStatePtr;
struct _virNodeDeviceDriverState {
virMutex lock;
virNodeDeviceObjList devs; /* currently-known devices */
virNodeDeviceObjListPtr devs; /* currently-known devices */
void *privateData; /* driver-specific private data */
/* Immutable pointer, self-locking APIs */
@ -68,6 +68,9 @@ virNodeDeviceObjGetParentHost(virNodeDeviceObjListPtr devs,
void
virNodeDeviceObjFree(virNodeDeviceObjPtr dev);
virNodeDeviceObjListPtr
virNodeDeviceObjListNew(void);
void
virNodeDeviceObjListFree(virNodeDeviceObjListPtr devs);

1
src/libvirt_private.syms
View File

@ -972,6 +972,7 @@ virNodeDeviceObjGetNames;
virNodeDeviceObjGetParentHost;
virNodeDeviceObjListExport;
virNodeDeviceObjListFree;
virNodeDeviceObjListNew;
virNodeDeviceObjLock;
virNodeDeviceObjNumOfDevices;
virNodeDeviceObjRemove;

14
src/node_device/node_device_driver.c
View File

@ -182,7 +182,7 @@ nodeNumOfDevices(virConnectPtr conn,
virCheckFlags(0, -1);
nodeDeviceLock();
ndevs = virNodeDeviceObjNumOfDevices(&driver->devs, conn, cap,
ndevs = virNodeDeviceObjNumOfDevices(driver->devs, conn, cap,
virNodeNumOfDevicesCheckACL);
nodeDeviceUnlock();
@ -205,7 +205,7 @@ nodeListDevices(virConnectPtr conn,
virCheckFlags(0, -1);
nodeDeviceLock();
nnames = virNodeDeviceObjGetNames(&driver->devs, conn,
nnames = virNodeDeviceObjGetNames(driver->devs, conn,
virNodeListDevicesCheckACL,
cap, names, maxnames);
nodeDeviceUnlock();
@ -227,7 +227,7 @@ nodeConnectListAllNodeDevices(virConnectPtr conn,
return -1;
nodeDeviceLock();
ret = virNodeDeviceObjListExport(conn, &driver->devs, devices,
ret = virNodeDeviceObjListExport(conn, driver->devs, devices,
virConnectListAllNodeDevicesCheckACL,
flags);
nodeDeviceUnlock();
@ -241,7 +241,7 @@ nodeDeviceObjFindByName(const char *name)
virNodeDeviceObjPtr obj;
nodeDeviceLock();
obj = virNodeDeviceObjFindByName(&driver->devs, name);
obj = virNodeDeviceObjFindByName(driver->devs, name);
nodeDeviceUnlock();
if (!obj) {
@ -289,7 +289,7 @@ nodeDeviceLookupSCSIHostByWWN(virConnectPtr conn,
unsigned int flags)
{
size_t i;
virNodeDeviceObjListPtr devs = &driver->devs;
virNodeDeviceObjListPtr devs = driver->devs;
virNodeDevCapsDefPtr cap = NULL;
virNodeDeviceObjPtr obj = NULL;
virNodeDeviceDefPtr def;
@ -587,7 +587,7 @@ nodeDeviceCreateXML(virConnectPtr conn,
if (virNodeDeviceGetWWNs(def, &wwnn, &wwpn) == -1)
goto cleanup;
if ((parent_host = virNodeDeviceObjGetParentHost(&driver->devs, def,
if ((parent_host = virNodeDeviceObjGetParentHost(driver->devs, def,
CREATE_DEVICE)) < 0)
goto cleanup;
@ -639,7 +639,7 @@ nodeDeviceDestroy(virNodeDevicePtr device)
* or parent_fabric_wwn) and drop the object lock. */
virNodeDeviceObjUnlock(obj);
obj = NULL;
if ((parent_host = virNodeDeviceObjGetParentHost(&driver->devs, def,
if ((parent_host = virNodeDeviceObjGetParentHost(driver->devs, def,
EXISTING_DEVICE)) < 0)
goto cleanup;

19
src/node_device/node_device_hal.c
View File

@ -482,7 +482,7 @@ dev_create(const char *udi)
/* Some devices don't have a path in sysfs, so ignore failure */
(void)get_str_prop(ctx, udi, "linux.sysfs_path", &devicePath);
if (!(obj = virNodeDeviceObjAssignDef(&driver->devs, def))) {
if (!(obj = virNodeDeviceObjAssignDef(driver->devs, def))) {
VIR_FREE(devicePath);
goto failure;
}
@ -509,11 +509,11 @@ dev_refresh(const char *udi)
virNodeDeviceObjPtr obj;
nodeDeviceLock();
if ((obj = virNodeDeviceObjFindByName(&driver->devs, name))) {
if ((obj = virNodeDeviceObjFindByName(driver->devs, name))) {
/* Simply "rediscover" device -- incrementally handling changes
* to sub-capabilities (like net.80203) is nasty ... so avoid it.
*/
virNodeDeviceObjRemove(&driver->devs, obj);
virNodeDeviceObjRemove(driver->devs, obj);
} else {
VIR_DEBUG("no device named %s", name);
}
@ -542,10 +542,10 @@ device_removed(LibHalContext *ctx ATTRIBUTE_UNUSED,
virNodeDeviceObjPtr obj;
nodeDeviceLock();
obj = virNodeDeviceObjFindByName(&driver->devs, name);
obj = virNodeDeviceObjFindByName(driver->devs, name);
VIR_DEBUG("%s", name);
if (obj)
virNodeDeviceObjRemove(&driver->devs, obj);
virNodeDeviceObjRemove(driver->devs, obj);
else
VIR_DEBUG("no device named %s", name);
nodeDeviceUnlock();
@ -562,7 +562,7 @@ device_cap_added(LibHalContext *ctx,
virNodeDeviceDefPtr def;
nodeDeviceLock();
obj = virNodeDeviceObjFindByName(&driver->devs, name);
obj = virNodeDeviceObjFindByName(driver->devs, name);
nodeDeviceUnlock();
VIR_DEBUG("%s %s", cap, name);
if (obj) {
@ -627,6 +627,9 @@ nodeStateInitialize(bool privileged ATTRIBUTE_UNUSED,
}
nodeDeviceLock();
if (!(driver->devs = virNodeDeviceObjListNew()))
goto failure;
dbus_error_init(&err);
if (!(sysbus = virDBusGetSystemBus())) {
virReportError(VIR_ERR_INTERNAL_ERROR,
@ -701,7 +704,7 @@ nodeStateInitialize(bool privileged ATTRIBUTE_UNUSED,
_("%s: %s"), err.name, err.message);
dbus_error_free(&err);
}
virNodeDeviceObjListFree(&driver->devs);
virNodeDeviceObjListFree(driver->devs);
if (hal_ctx)
(void)libhal_ctx_free(hal_ctx);
nodeDeviceUnlock();
@ -717,7 +720,7 @@ nodeStateCleanup(void)
if (driver) {
nodeDeviceLock();
LibHalContext *hal_ctx = DRV_STATE_HAL_CTX(driver);
virNodeDeviceObjListFree(&driver->devs);
virNodeDeviceObjListFree(driver->devs);
(void)libhal_ctx_shutdown(hal_ctx, NULL);
(void)libhal_ctx_free(hal_ctx);
nodeDeviceUnlock();

18
src/node_device/node_device_udev.c
View File

@ -1318,7 +1318,7 @@ udevRemoveOneDevice(struct udev_device *device)
const char *name = NULL;
name = udev_device_get_syspath(device);
if (!(obj = virNodeDeviceObjFindBySysfsPath(&driver->devs, name))) {
if (!(obj = virNodeDeviceObjFindBySysfsPath(driver->devs, name))) {
VIR_DEBUG("Failed to find device to remove that has udev name '%s'",
name);
return -1;
@ -1331,7 +1331,7 @@ udevRemoveOneDevice(struct udev_device *device)
VIR_DEBUG("Removing device '%s' with sysfs path '%s'",
def->name, name);
virNodeDeviceObjRemove(&driver->devs, obj);
virNodeDeviceObjRemove(driver->devs, obj);
virNodeDeviceObjFree(obj);
if (event)
@ -1365,7 +1365,7 @@ udevSetParent(struct udev_device *device,
goto cleanup;
}
if ((obj = virNodeDeviceObjFindBySysfsPath(&driver->devs,
if ((obj = virNodeDeviceObjFindBySysfsPath(driver->devs,
parent_sysfs_path))) {
objdef = virNodeDeviceObjGetDef(obj);
if (VIR_STRDUP(def->parent, objdef->name) < 0) {
@ -1424,14 +1424,14 @@ udevAddOneDevice(struct udev_device *device)
if (udevSetParent(device, def) != 0)
goto cleanup;
if ((obj = virNodeDeviceObjFindByName(&driver->devs, def->name))) {
if ((obj = virNodeDeviceObjFindByName(driver->devs, def->name))) {
virNodeDeviceObjUnlock(obj);
new_device = false;
}
/* If this is a device change, the old definition will be freed
* and the current definition will take its place. */
if (!(obj = virNodeDeviceObjAssignDef(&driver->devs, def)))
if (!(obj = virNodeDeviceObjAssignDef(driver->devs, def)))
goto cleanup;
objdef = virNodeDeviceObjGetDef(obj);
@ -1585,7 +1585,7 @@ nodeStateCleanup(void)
if (udev != NULL)
udev_unref(udev);
virNodeDeviceObjListFree(&driver->devs);
virNodeDeviceObjListFree(driver->devs);
nodeDeviceUnlock();
virMutexDestroy(&driver->lock);
VIR_FREE(driver);
@ -1721,7 +1721,7 @@ udevSetupSystemDev(void)
udevGetDMIData(&def->caps->data.system);
#endif
if (!(obj = virNodeDeviceObjAssignDef(&driver->devs, def)))
if (!(obj = virNodeDeviceObjAssignDef(driver->devs, def)))
goto cleanup;
virNodeDeviceObjUnlock(obj);
@ -1790,6 +1790,10 @@ nodeStateInitialize(bool privileged,
driver->privateData = priv;
nodeDeviceLock();
if (!(driver->devs = virNodeDeviceObjListNew()))
goto cleanup;
driver->nodeDeviceEventState = virObjectEventStateNew();
if (udevPCITranslateInit(privileged) < 0)

29
src/test/test_driver.c
View File

@ -101,7 +101,7 @@ struct _testDriver {
bool transaction_running;
virInterfaceObjListPtr backupIfaces;
virStoragePoolObjList pools;
virNodeDeviceObjList devs;
virNodeDeviceObjListPtr devs;
int numCells;
testCell cells[MAX_CELLS];
size_t numAuths;
@ -152,7 +152,7 @@ testDriverFree(testDriverPtr driver)
virObjectUnref(driver->caps);
virObjectUnref(driver->xmlopt);
virObjectUnref(driver->domains);
virNodeDeviceObjListFree(&driver->devs);
virNodeDeviceObjListFree(driver->devs);
virObjectUnref(driver->networks);
virInterfaceObjListFree(driver->ifaces);
virStoragePoolObjListFree(&driver->pools);
@ -418,7 +418,8 @@ testDriverNew(void)
!(ret->eventState = virObjectEventStateNew()) ||
!(ret->ifaces = virInterfaceObjListNew()) ||
!(ret->domains = virDomainObjListNew()) ||
!(ret->networks = virNetworkObjListNew()))
!(ret->networks = virNetworkObjListNew()) ||
!(ret->devs = virNodeDeviceObjListNew()))
goto error;
virAtomicIntSet(&ret->nextDomID, 1);
@ -1171,7 +1172,7 @@ testParseNodedevs(testDriverPtr privconn,
if (!def)
goto error;
if (!(obj = virNodeDeviceObjAssignDef(&privconn->devs, def))) {
if (!(obj = virNodeDeviceObjAssignDef(privconn->devs, def))) {
virNodeDeviceDefFree(def);
goto error;
}
@ -4560,7 +4561,7 @@ testDestroyVport(testDriverPtr privconn,
*
* Reaching across the boundaries of space and time into the
* Node Device in order to remove */
if (!(obj = virNodeDeviceObjFindByName(&privconn->devs, "scsi_host12"))) {
if (!(obj = virNodeDeviceObjFindByName(privconn->devs, "scsi_host12"))) {
virReportError(VIR_ERR_NO_NODE_DEVICE, "%s",
_("no node device with matching name 'scsi_host12'"));
return -1;
@ -4570,7 +4571,7 @@ testDestroyVport(testDriverPtr privconn,
VIR_NODE_DEVICE_EVENT_DELETED,
0);
virNodeDeviceObjRemove(&privconn->devs, obj);
virNodeDeviceObjRemove(privconn->devs, obj);
virNodeDeviceObjFree(obj);
testObjectEventQueue(privconn, event);
@ -5302,7 +5303,7 @@ testNodeDeviceObjFindByName(testDriverPtr driver,
virNodeDeviceObjPtr obj;
testDriverLock(driver);
obj = virNodeDeviceObjFindByName(&driver->devs, name);
obj = virNodeDeviceObjFindByName(driver->devs, name);
testDriverUnlock(driver);
if (!obj)
@ -5325,7 +5326,7 @@ testNodeNumOfDevices(virConnectPtr conn,
virCheckFlags(0, -1);
testDriverLock(driver);
ndevs = virNodeDeviceObjNumOfDevices(&driver->devs, conn, cap, NULL);
ndevs = virNodeDeviceObjNumOfDevices(driver->devs, conn, cap, NULL);
testDriverUnlock(driver);
return ndevs;
@ -5345,7 +5346,7 @@ testNodeListDevices(virConnectPtr conn,
virCheckFlags(0, -1);
testDriverLock(driver);
nnames = virNodeDeviceObjGetNames(&driver->devs, conn, NULL,
nnames = virNodeDeviceObjGetNames(driver->devs, conn, NULL,
cap, names, maxnames);
testDriverUnlock(driver);
@ -5492,7 +5493,7 @@ testNodeDeviceMockCreateVport(testDriverPtr driver,
* using the scsi_host11 definition, changing the name and the
* scsi_host capability fields before calling virNodeDeviceAssignDef
* to add the def to the node device objects list. */
if (!(objcopy = virNodeDeviceObjFindByName(&driver->devs, "scsi_host11")))
if (!(objcopy = virNodeDeviceObjFindByName(driver->devs, "scsi_host11")))
goto cleanup;
xml = virNodeDeviceDefFormat(virNodeDeviceObjGetDef(objcopy));
@ -5532,7 +5533,7 @@ testNodeDeviceMockCreateVport(testDriverPtr driver,
caps = caps->next;
}
if (!(obj = virNodeDeviceObjAssignDef(&driver->devs, def)))
if (!(obj = virNodeDeviceObjAssignDef(driver->devs, def)))
goto cleanup;
def = NULL;
objdef = virNodeDeviceObjGetDef(obj);
@ -5577,7 +5578,7 @@ testNodeDeviceCreateXML(virConnectPtr conn,
/* Unlike the "real" code we don't need the parent_host in order to
* call virVHBAManageVport, but still let's make sure the code finds
* something valid and no one messed up the mock environment. */
if (virNodeDeviceObjGetParentHost(&driver->devs, def, CREATE_DEVICE) < 0)
if (virNodeDeviceObjGetParentHost(driver->devs, def, CREATE_DEVICE) < 0)
goto cleanup;
/* In the real code, we'd call virVHBAManageVport followed by
@ -5638,7 +5639,7 @@ testNodeDeviceDestroy(virNodeDevicePtr dev)
/* We do this just for basic validation, but also avoid finding a
* vport capable HBA if for some reason our vHBA doesn't exist */
if (virNodeDeviceObjGetParentHost(&driver->devs, def,
if (virNodeDeviceObjGetParentHost(driver->devs, def,
EXISTING_DEVICE) < 0) {
obj = NULL;
goto cleanup;
@ -5649,7 +5650,7 @@ testNodeDeviceDestroy(virNodeDevicePtr dev)
0);
virNodeDeviceObjLock(obj);
virNodeDeviceObjRemove(&driver->devs, obj);
virNodeDeviceObjRemove(driver->devs, obj);
virNodeDeviceObjFree(obj);
obj = NULL;