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https://gitlab.com/libvirt/libvirt.git
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add virhostdev files to maintain global state of host devices
Signed-off-by: Chunyan Liu <cyliu@suse.com>
This commit is contained in:
parent
de6fa535b0
commit
6b4c0a635e
@ -164,6 +164,7 @@ src/util/vireventpoll.c
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src/util/virfile.c
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src/util/virfile.c
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src/util/virhash.c
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src/util/virhash.c
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src/util/virhook.c
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src/util/virhook.c
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src/util/virhostdev.c
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src/util/viridentity.c
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src/util/viridentity.c
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src/util/virinitctl.c
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src/util/virinitctl.c
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src/util/viriptables.c
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src/util/viriptables.c
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@ -104,6 +104,7 @@ UTIL_SOURCES = \
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util/virhash.c util/virhash.h \
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util/virhash.c util/virhash.h \
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util/virhashcode.c util/virhashcode.h \
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util/virhashcode.c util/virhashcode.h \
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util/virhook.c util/virhook.h \
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util/virhook.c util/virhook.h \
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util/virhostdev.c util/virhostdev.h \
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util/viridentity.c util/viridentity.h \
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util/viridentity.c util/viridentity.h \
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util/virinitctl.c util/virinitctl.h \
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util/virinitctl.c util/virinitctl.h \
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util/viriptables.c util/viriptables.h \
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util/viriptables.c util/viriptables.h \
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@ -1292,6 +1292,10 @@ virHookInitialize;
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virHookPresent;
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virHookPresent;
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#util/virhostdev.h
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virHostdevManagerGetDefault;
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# util/viridentity.h
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# util/viridentity.h
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virIdentityGetAttr;
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virIdentityGetAttr;
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virIdentityGetCurrent;
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virIdentityGetCurrent;
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104
src/util/virhostdev.c
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104
src/util/virhostdev.c
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@ -0,0 +1,104 @@
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/* virhostdev.c: hostdev management
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*
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* Copyright (C) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Chunyan Liu <cyliu@suse.com>
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*/
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#include <config.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "virhostdev.h"
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#include "viralloc.h"
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#include "virstring.h"
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#include "virfile.h"
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#include "virerror.h"
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#include "virlog.h"
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#include "virutil.h"
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#include "configmake.h"
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#define VIR_FROM_THIS VIR_FROM_NONE
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#define HOSTDEV_STATE_DIR LOCALSTATEDIR "/run/libvirt/hostdevmgr"
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static virHostdevManagerPtr hostdevMgr;
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static void
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virHostdevManagerCleanup(void)
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{
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if (!hostdevMgr)
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return;
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virObjectUnref(hostdevMgr->activePciHostdevs);
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virObjectUnref(hostdevMgr->inactivePciHostdevs);
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virObjectUnref(hostdevMgr->activeUsbHostdevs);
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virObjectUnref(hostdevMgr->activeScsiHostdevs);
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VIR_FREE(hostdevMgr->stateDir);
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VIR_FREE(hostdevMgr);
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}
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static int
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virHostdevOnceInit(void)
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{
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if (VIR_ALLOC(hostdevMgr) < 0)
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goto error;
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if ((hostdevMgr->activePciHostdevs = virPCIDeviceListNew()) == NULL)
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goto error;
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if ((hostdevMgr->activeUsbHostdevs = virUSBDeviceListNew()) == NULL)
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goto error;
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if ((hostdevMgr->inactivePciHostdevs = virPCIDeviceListNew()) == NULL)
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goto error;
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if ((hostdevMgr->activeScsiHostdevs = virSCSIDeviceListNew()) == NULL)
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goto error;
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if (VIR_STRDUP(hostdevMgr->stateDir, HOSTDEV_STATE_DIR) < 0)
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goto error;
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if (virFileMakePath(hostdevMgr->stateDir) < 0) {
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virReportError(VIR_ERR_OPERATION_FAILED,
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_("Failed to create state dir '%s'"),
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hostdevMgr->stateDir);
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goto error;
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}
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return 0;
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error:
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virHostdevManagerCleanup();
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return -1;
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}
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VIR_ONCE_GLOBAL_INIT(virHostdev)
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virHostdevManagerPtr
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virHostdevManagerGetDefault(void)
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{
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if (virHostdevInitialize() < 0)
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return NULL;
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return hostdevMgr;
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}
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44
src/util/virhostdev.h
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44
src/util/virhostdev.h
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@ -0,0 +1,44 @@
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/* virhostdev.h: hostdev management
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*
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* Copyright (C) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Chunyan Liu <cyliu@suse.com>
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*/
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#ifndef __VIR_HOSTDEV_H__
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# define __VIR_HOSTDEV_H__
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# include "internal.h"
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# include "virpci.h"
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# include "virusb.h"
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# include "virscsi.h"
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typedef struct _virHostdevManager virHostdevManager;
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typedef virHostdevManager *virHostdevManagerPtr;
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struct _virHostdevManager {
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char *stateDir;
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virPCIDeviceListPtr activePciHostdevs;
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virPCIDeviceListPtr inactivePciHostdevs;
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virUSBDeviceListPtr activeUsbHostdevs;
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virSCSIDeviceListPtr activeScsiHostdevs;
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};
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virHostdevManagerPtr virHostdevManagerGetDefault(void);
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#endif /* __VIR_HOSTDEV_H__ */
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