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lxc: use general virhostdev lists instead of its own

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This commit is contained in:
Chunyan Liu 2014-03-05 18:49:58 +08:00 committed by Daniel P. Berrange
parent e640e98fa4
commit 0d4efed02b
3 changed files with 27 additions and 22 deletions
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5
src/lxc/lxc_conf.h
View File

@ -37,6 +37,7 @@
# include "virsysinfo.h"
# include "virusb.h"
# include "virclosecallbacks.h"
# include "virhostdev.h"
# define LXC_DRIVER_NAME "LXC"
@ -93,9 +94,7 @@ struct _virLXCDriver {
/* Immutable pointer, self-locking APIs */
virDomainObjListPtr domains;
/* Immutable pointer. Requires lock to be held before
* calling APIs. */
virUSBDeviceListPtr activeUsbHostdevs;
virHostdevManagerPtr hostdevMgr;
/* Immutable pointer, self-locking APIs */
virObjectEventStatePtr domainEventState;

12
src/lxc/lxc_driver.c
View File

@ -71,6 +71,7 @@
#include "virstring.h"
#include "viraccessapicheck.h"
#include "viraccessapichecklxc.h"
#include "virhostdev.h"
#define VIR_FROM_THIS VIR_FROM_LXC
@ -1557,7 +1558,7 @@ static int lxcStateInitialize(bool privileged,
if (!(lxc_driver->securityManager = lxcSecurityInit(cfg)))
goto cleanup;
if ((lxc_driver->activeUsbHostdevs = virUSBDeviceListNew()) == NULL)
if (!(lxc_driver->hostdevMgr = virHostdevManagerGetDefault()))
goto cleanup;
if ((virLXCDriverGetCapabilities(lxc_driver, true)) == NULL)
@ -1674,7 +1675,7 @@ static int lxcStateCleanup(void)
virSysinfoDefFree(lxc_driver->hostsysinfo);
virObjectUnref(lxc_driver->activeUsbHostdevs);
virObjectUnref(lxc_driver->hostdevMgr);
virObjectUnref(lxc_driver->caps);
virObjectUnref(lxc_driver->securityManager);
virObjectUnref(lxc_driver->xmlopt);
@ -4697,6 +4698,7 @@ lxcDomainDetachDeviceHostdevUSBLive(virLXCDriverPtr driver,
int idx, ret = -1;
char *dst = NULL;
virUSBDevicePtr usb = NULL;
virHostdevManagerPtr hostdev_mgr = driver->hostdevMgr;
if ((idx = virDomainHostdevFind(vm->def,
dev->data.hostdev,
@ -4733,9 +4735,9 @@ lxcDomainDetachDeviceHostdevUSBLive(virLXCDriverPtr driver,
VIR_WARN("cannot deny device %s for domain %s",
dst, vm->def->name);
virObjectLock(driver->activeUsbHostdevs);
virUSBDeviceListDel(driver->activeUsbHostdevs, usb);
virObjectUnlock(driver->activeUsbHostdevs);
virObjectLock(hostdev_mgr->activeUsbHostdevs);
virUSBDeviceListDel(hostdev_mgr->activeUsbHostdevs, usb);
virObjectUnlock(hostdev_mgr->activeUsbHostdevs);
virDomainHostdevRemove(vm->def, idx);
virDomainHostdevDefFree(def);

32
src/lxc/lxc_hostdev.c
View File

@ -27,6 +27,7 @@
#include "viralloc.h"
#include "virlog.h"
#include "virerror.h"
#include "virhostdev.h"
#define VIR_FROM_THIS VIR_FROM_LXC
@ -36,6 +37,7 @@ virLXCUpdateActiveUsbHostdevs(virLXCDriverPtr driver,
{
virDomainHostdevDefPtr hostdev = NULL;
size_t i;
virHostdevManagerPtr hostdev_mgr = driver->hostdevMgr;
if (!def->nhostdevs)
return 0;
@ -62,13 +64,13 @@ virLXCUpdateActiveUsbHostdevs(virLXCDriverPtr driver,
virUSBDeviceSetUsedBy(usb, LXC_DRIVER_NAME, def->name);
virObjectLock(driver->activeUsbHostdevs);
if (virUSBDeviceListAdd(driver->activeUsbHostdevs, usb) < 0) {
virObjectUnlock(driver->activeUsbHostdevs);
virObjectLock(hostdev_mgr->activeUsbHostdevs);
if (virUSBDeviceListAdd(hostdev_mgr->activeUsbHostdevs, usb) < 0) {
virObjectUnlock(hostdev_mgr->activeUsbHostdevs);
virUSBDeviceFree(usb);
return -1;
}
virObjectUnlock(driver->activeUsbHostdevs);
virObjectUnlock(hostdev_mgr->activeUsbHostdevs);
}
return 0;
@ -83,13 +85,14 @@ virLXCPrepareHostdevUSBDevices(virLXCDriverPtr driver,
size_t i, j;
unsigned int count;
virUSBDevicePtr tmp;
virHostdevManagerPtr hostdev_mgr = driver->hostdevMgr;
count = virUSBDeviceListCount(list);
virObjectLock(driver->activeUsbHostdevs);
virObjectLock(hostdev_mgr->activeUsbHostdevs);
for (i = 0; i < count; i++) {
virUSBDevicePtr usb = virUSBDeviceListGet(list, i);
if ((tmp = virUSBDeviceListFind(driver->activeUsbHostdevs, usb))) {
if ((tmp = virUSBDeviceListFind(hostdev_mgr->activeUsbHostdevs, usb))) {
const char *other_drvname;
const char *other_domname;
@ -115,18 +118,18 @@ virLXCPrepareHostdevUSBDevices(virLXCDriverPtr driver,
* from the virUSBDeviceList that passed in on success,
* perform rollback on failure.
*/
if (virUSBDeviceListAdd(driver->activeUsbHostdevs, usb) < 0)
if (virUSBDeviceListAdd(hostdev_mgr->activeUsbHostdevs, usb) < 0)
goto error;
}
virObjectUnlock(driver->activeUsbHostdevs);
virObjectUnlock(hostdev_mgr->activeUsbHostdevs);
return 0;
error:
for (j = 0; j < i; j++) {
tmp = virUSBDeviceListGet(list, i);
virUSBDeviceListSteal(driver->activeUsbHostdevs, tmp);
virUSBDeviceListSteal(hostdev_mgr->activeUsbHostdevs, tmp);
}
virObjectUnlock(driver->activeUsbHostdevs);
virObjectUnlock(hostdev_mgr->activeUsbHostdevs);
return -1;
}
@ -350,8 +353,9 @@ virLXCDomainReAttachHostUsbDevices(virLXCDriverPtr driver,
int nhostdevs)
{
size_t i;
virHostdevManagerPtr hostdev_mgr = driver->hostdevMgr;
virObjectLock(driver->activeUsbHostdevs);
virObjectLock(hostdev_mgr->activeUsbHostdevs);
for (i = 0; i < nhostdevs; i++) {
virDomainHostdevDefPtr hostdev = hostdevs[i];
virUSBDevicePtr usb, tmp;
@ -383,7 +387,7 @@ virLXCDomainReAttachHostUsbDevices(virLXCDriverPtr driver,
* Therefore we want to steal only those devices from
* the list which were taken by @name */
tmp = virUSBDeviceListFind(driver->activeUsbHostdevs, usb);
tmp = virUSBDeviceListFind(hostdev_mgr->activeUsbHostdevs, usb);
virUSBDeviceFree(usb);
if (!tmp) {
@ -402,10 +406,10 @@ virLXCDomainReAttachHostUsbDevices(virLXCDriverPtr driver,
hostdev->source.subsys.u.usb.device,
name);
virUSBDeviceListDel(driver->activeUsbHostdevs, tmp);
virUSBDeviceListDel(hostdev_mgr->activeUsbHostdevs, tmp);
}
}
virObjectUnlock(driver->activeUsbHostdevs);
virObjectUnlock(hostdev_mgr->activeUsbHostdevs);
}
void virLXCDomainReAttachHostDevices(virLXCDriverPtr driver,