mirror of https://gitee.com/openkylin/libvirt.git
643 lines
18 KiB
C
643 lines
18 KiB
C
/*
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* Copyright (C) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
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* Copyright (C) 2014-2016 Red Hat, Inc.
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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 "testutils.h"
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#ifdef __linux__
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# include <sys/types.h>
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# include <sys/stat.h>
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# include <sys/ioctl.h>
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# include <fcntl.h>
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# include "virlog.h"
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# include "virhostdev.h"
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# define VIR_FROM_THIS VIR_FROM_NONE
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VIR_LOG_INIT("tests.hostdevtest");
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# define CHECK_LIST_COUNT(list, cnt) \
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do { \
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size_t actualCount; \
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if ((actualCount = virPCIDeviceListCount(list)) != cnt) { \
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virReportError(VIR_ERR_INTERNAL_ERROR, \
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"Unexpected count of items in " #list ": %zu, " \
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"expecting %zu", actualCount, (size_t) cnt); \
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goto cleanup; \
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} \
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} while (0)
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# define TEST_STATE_DIR abs_builddir "/hostdevmgr"
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static const char *drv_name = "test_driver";
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static const char *dom_name = "test_domain";
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static const unsigned char *uuid =
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(unsigned char *)("f92360b0-2541-8791-fb32-d1f838811541");
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static int nhostdevs = 3;
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static virDomainHostdevDefPtr hostdevs[] = {NULL, NULL, NULL};
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static virPCIDevicePtr dev[] = {NULL, NULL, NULL};
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static virHostdevManagerPtr mgr;
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static void
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myCleanup(void)
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{
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size_t i;
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for (i = 0; i < nhostdevs; i++) {
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virPCIDeviceFree(dev[i]);
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virDomainHostdevDefFree(hostdevs[i]);
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}
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if (mgr) {
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if (!getenv("LIBVIRT_SKIP_CLEANUP"))
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virFileDeleteTree(mgr->stateDir);
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virObjectUnref(mgr->activePCIHostdevs);
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virObjectUnref(mgr->activeUSBHostdevs);
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virObjectUnref(mgr->inactivePCIHostdevs);
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virObjectUnref(mgr->activeSCSIHostdevs);
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VIR_FREE(mgr->stateDir);
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VIR_FREE(mgr);
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}
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}
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static int
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myInit(void)
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{
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size_t i;
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for (i = 0; i < nhostdevs; i++) {
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virDomainHostdevSubsys subsys;
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hostdevs[i] = virDomainHostdevDefNew();
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if (!hostdevs[i])
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goto cleanup;
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hostdevs[i]->mode = VIR_DOMAIN_HOSTDEV_MODE_SUBSYS;
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subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI;
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subsys.u.pci.addr.domain = 0;
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subsys.u.pci.addr.bus = 0;
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subsys.u.pci.addr.slot = i + 1;
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subsys.u.pci.addr.function = 0;
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subsys.u.pci.backend = VIR_DOMAIN_HOSTDEV_PCI_BACKEND_KVM;
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hostdevs[i]->source.subsys = subsys;
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}
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for (i = 0; i < nhostdevs; i++) {
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if (!(dev[i] = virPCIDeviceNew(0, 0, i + 1, 0)))
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goto cleanup;
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virPCIDeviceSetStubDriver(dev[i], VIR_PCI_STUB_DRIVER_KVM);
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}
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if (VIR_ALLOC(mgr) < 0)
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goto cleanup;
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if ((mgr->activePCIHostdevs = virPCIDeviceListNew()) == NULL)
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goto cleanup;
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if ((mgr->activeUSBHostdevs = virUSBDeviceListNew()) == NULL)
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goto cleanup;
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if ((mgr->inactivePCIHostdevs = virPCIDeviceListNew()) == NULL)
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goto cleanup;
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if ((mgr->activeSCSIHostdevs = virSCSIDeviceListNew()) == NULL)
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goto cleanup;
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if (VIR_STRDUP(mgr->stateDir, TEST_STATE_DIR) < 0)
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goto cleanup;
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if (virFileMakePath(mgr->stateDir) < 0)
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goto cleanup;
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return 0;
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cleanup:
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myCleanup();
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return -1;
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}
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# if HAVE_LINUX_KVM_H
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# include <linux/kvm.h>
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static bool
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virHostdevHostSupportsPassthroughKVM(void)
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{
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int kvmfd = -1;
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bool ret = false;
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if ((kvmfd = open("/dev/kvm", O_RDONLY)) < 0)
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goto cleanup;
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# ifdef KVM_CAP_IOMMU
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if ((ioctl(kvmfd, KVM_CHECK_EXTENSION, KVM_CAP_IOMMU)) <= 0)
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goto cleanup;
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ret = true;
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# endif
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cleanup:
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VIR_FORCE_CLOSE(kvmfd);
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return ret;
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}
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# else
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static bool
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virHostdevHostSupportsPassthroughKVM(void)
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{
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return false;
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}
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# endif
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static int
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testVirHostdevPreparePCIHostdevs_unmanaged(void)
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{
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int ret = -1;
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size_t active_count, inactive_count, i;
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for (i = 0; i < nhostdevs; i++)
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hostdevs[i]->managed = false;
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active_count = virPCIDeviceListCount(mgr->activePCIHostdevs);
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inactive_count = virPCIDeviceListCount(mgr->inactivePCIHostdevs);
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/* Test normal functionality */
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VIR_DEBUG("Test 0 hostdevs");
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if (virHostdevPreparePCIDevices(mgr, drv_name, dom_name, uuid,
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NULL, 0, 0) < 0)
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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/* Test unmanaged hostdevs */
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VIR_DEBUG("Test >=1 unmanaged hostdevs");
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if (virHostdevPreparePCIDevices(mgr, drv_name, dom_name, uuid,
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hostdevs, nhostdevs, 0) < 0)
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count + nhostdevs);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count - nhostdevs);
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/* Test conflict */
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active_count = virPCIDeviceListCount(mgr->activePCIHostdevs);
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inactive_count = virPCIDeviceListCount(mgr->inactivePCIHostdevs);
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VIR_DEBUG("Test: prepare same hostdevs for same driver/domain again");
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if (!virHostdevPreparePCIDevices(mgr, drv_name, dom_name, uuid,
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&hostdevs[0], 1, 0))
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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VIR_DEBUG("Test: prepare same hostdevs for same driver, diff domain again");
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if (!virHostdevPreparePCIDevices(mgr, drv_name, "test_domain1", uuid,
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&hostdevs[1], 1, 0))
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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VIR_DEBUG("Test: prepare same hostdevs for diff driver/domain again");
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if (!virHostdevPreparePCIDevices(mgr, "test_driver1", dom_name, uuid,
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&hostdevs[2], 1, 0))
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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ret = 0;
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cleanup:
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return ret;
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}
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static int
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testVirHostdevReAttachPCIHostdevs_unmanaged(void)
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{
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int ret = -1;
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size_t active_count, inactive_count, i;
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for (i = 0; i < nhostdevs; i++) {
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if (hostdevs[i]->managed != false) {
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VIR_DEBUG("invalid test");
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return -1;
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}
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}
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active_count = virPCIDeviceListCount(mgr->activePCIHostdevs);
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inactive_count = virPCIDeviceListCount(mgr->inactivePCIHostdevs);
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VIR_DEBUG("Test 0 hostdevs");
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virHostdevReAttachPCIDevices(mgr, drv_name, dom_name, NULL, 0, NULL);
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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VIR_DEBUG("Test >=1 unmanaged hostdevs");
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virHostdevReAttachPCIDevices(mgr, drv_name, dom_name,
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hostdevs, nhostdevs, NULL);
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count - nhostdevs);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count + nhostdevs);
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ret = 0;
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cleanup:
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return ret;
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}
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static int
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testVirHostdevPreparePCIHostdevs_managed(bool mixed)
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{
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int ret = -1;
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size_t active_count, inactive_count, i;
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for (i = 0; i < nhostdevs; i++)
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hostdevs[i]->managed = true;
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active_count = virPCIDeviceListCount(mgr->activePCIHostdevs);
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inactive_count = virPCIDeviceListCount(mgr->inactivePCIHostdevs);
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/* Test normal functionality */
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VIR_DEBUG("Test >=1 hostdevs");
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if (virHostdevPreparePCIDevices(mgr, drv_name, dom_name, uuid,
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hostdevs, nhostdevs, 0) < 0)
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count + nhostdevs);
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/* If testing a mixed roundtrip, devices are already in the inactive list
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* before we start and are removed from it as soon as we attach them to
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* the guest */
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if (mixed)
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count - nhostdevs);
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else
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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/* Test conflict */
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active_count = virPCIDeviceListCount(mgr->activePCIHostdevs);
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inactive_count = virPCIDeviceListCount(mgr->inactivePCIHostdevs);
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VIR_DEBUG("Test: prepare same hostdevs for same driver/domain again");
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if (!virHostdevPreparePCIDevices(mgr, drv_name, dom_name, uuid,
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&hostdevs[0], 1, 0))
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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VIR_DEBUG("Test: prepare same hostdevs for same driver, diff domain again");
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if (!virHostdevPreparePCIDevices(mgr, drv_name, "test_domain1", uuid,
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&hostdevs[1], 1, 0))
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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VIR_DEBUG("Test: prepare same hostdevs for diff driver/domain again");
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if (!virHostdevPreparePCIDevices(mgr, "test_driver1", dom_name, uuid,
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&hostdevs[2], 1, 0))
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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ret = 0;
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cleanup:
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return ret;
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}
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static int
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testVirHostdevReAttachPCIHostdevs_managed(bool mixed)
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{
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int ret = -1;
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size_t active_count, inactive_count, i;
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for (i = 0; i < nhostdevs; i++) {
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if (hostdevs[i]->managed != true) {
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VIR_DEBUG("invalid test");
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return -1;
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}
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}
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active_count = virPCIDeviceListCount(mgr->activePCIHostdevs);
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inactive_count = virPCIDeviceListCount(mgr->inactivePCIHostdevs);
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VIR_DEBUG("Test 0 hostdevs");
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virHostdevReAttachPCIDevices(mgr, drv_name, dom_name, NULL, 0, NULL);
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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VIR_DEBUG("Test >=1 hostdevs");
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virHostdevReAttachPCIDevices(mgr, drv_name, dom_name,
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hostdevs, nhostdevs, NULL);
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count - nhostdevs);
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/* If testing a mixed roundtrip, devices are added back to the inactive
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* list as soon as we detach from the guest */
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if (mixed)
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count + nhostdevs);
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else
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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ret = 0;
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cleanup:
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return ret;
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}
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static int
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testVirHostdevDetachPCINodeDevice(void)
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{
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int ret = -1;
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size_t active_count, inactive_count, i;
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for (i = 0; i < nhostdevs; i++) {
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active_count = virPCIDeviceListCount(mgr->activePCIHostdevs);
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inactive_count = virPCIDeviceListCount(mgr->inactivePCIHostdevs);
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if (virHostdevPCINodeDeviceDetach(mgr, dev[i]) < 0)
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count + 1);
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}
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ret = 0;
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cleanup:
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return ret;
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}
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static int
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testVirHostdevResetPCINodeDevice(void)
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{
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int ret = -1;
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size_t active_count, inactive_count, i;
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for (i = 0; i < nhostdevs; i++) {
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active_count = virPCIDeviceListCount(mgr->activePCIHostdevs);
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inactive_count = virPCIDeviceListCount(mgr->inactivePCIHostdevs);
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if (virHostdevPCINodeDeviceReset(mgr, dev[i]) < 0)
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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}
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ret = 0;
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cleanup:
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return ret;
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}
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static int
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testVirHostdevReAttachPCINodeDevice(void)
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{
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int ret = -1;
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size_t active_count, inactive_count, i;
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for (i = 0; i < nhostdevs; i++) {
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active_count = virPCIDeviceListCount(mgr->activePCIHostdevs);
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inactive_count = virPCIDeviceListCount(mgr->inactivePCIHostdevs);
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if (virHostdevPCINodeDeviceReAttach(mgr, dev[i]) < 0)
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count - 1);
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}
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ret = 0;
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cleanup:
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return ret;
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}
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static int
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testVirHostdevUpdateActivePCIHostdevs(void)
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{
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int ret = -1;
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size_t active_count, inactive_count;
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active_count = virPCIDeviceListCount(mgr->activePCIHostdevs);
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inactive_count = virPCIDeviceListCount(mgr->inactivePCIHostdevs);
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VIR_DEBUG("Test 0 hostdevs");
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if (virHostdevUpdateActivePCIDevices(mgr, NULL, 0,
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drv_name, dom_name) < 0)
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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VIR_DEBUG("Test >=1 hostdevs");
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if (virHostdevUpdateActivePCIDevices(mgr, hostdevs, nhostdevs,
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drv_name, dom_name) < 0)
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goto cleanup;
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CHECK_LIST_COUNT(mgr->activePCIHostdevs, active_count + nhostdevs);
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CHECK_LIST_COUNT(mgr->inactivePCIHostdevs, inactive_count);
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ret = 0;
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cleanup:
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return ret;
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}
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/**
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* testVirHostdevRoundtripNoGuest:
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* @opaque: unused
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*
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* Perform a roundtrip without ever assigning devices to the guest.
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*
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* 1. Detach devices from the host
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* 2. Reattach devices to the host
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*/
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static int
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testVirHostdevRoundtripNoGuest(const void *opaque ATTRIBUTE_UNUSED)
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{
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int ret = -1;
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if (testVirHostdevDetachPCINodeDevice() < 0)
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goto out;
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if (testVirHostdevReAttachPCINodeDevice() < 0)
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goto out;
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ret = 0;
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out:
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return ret;
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}
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/**
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* testVirHostdevRoundtripUnmanaged:
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* @opaque: unused
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*
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* Perform a roundtrip with unmanaged devices.
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*
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* 1. Detach devices from the host
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* 2. Attach devices to the guest as unmanaged
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* 3. Detach devices from the guest as unmanaged
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* 4. Reattach devices to the host
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*/
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static int
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testVirHostdevRoundtripUnmanaged(const void *opaque ATTRIBUTE_UNUSED)
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{
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int ret = -1;
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if (testVirHostdevDetachPCINodeDevice() < 0)
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goto out;
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if (virHostdevHostSupportsPassthroughKVM()) {
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if (testVirHostdevPreparePCIHostdevs_unmanaged() < 0)
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goto out;
|
|
if (testVirHostdevReAttachPCIHostdevs_unmanaged() < 0)
|
|
goto out;
|
|
}
|
|
if (testVirHostdevReAttachPCINodeDevice() < 0)
|
|
goto out;
|
|
|
|
ret = 0;
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* testVirHostdevRoundtripManaged:
|
|
* @opaque: unused
|
|
*
|
|
* Perform a roundtrip with managed devices.
|
|
*
|
|
* 1. Attach devices to the guest as managed
|
|
* 2. Detach devices from the guest as managed
|
|
*/
|
|
static int
|
|
testVirHostdevRoundtripManaged(const void *opaque ATTRIBUTE_UNUSED)
|
|
{
|
|
int ret = -1;
|
|
|
|
if (virHostdevHostSupportsPassthroughKVM()) {
|
|
if (testVirHostdevPreparePCIHostdevs_managed(false) < 0)
|
|
goto out;
|
|
if (testVirHostdevReAttachPCIHostdevs_managed(false) < 0)
|
|
goto out;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* testVirHostdevRoundtripMixed:
|
|
* @opaque: unused
|
|
*
|
|
* Perform a roundtrip with managed devices but manually detach the devices
|
|
* from the host first.
|
|
*
|
|
* 1. Detach devices from the host
|
|
* 2. Attach devices to the guest as managed
|
|
* 3. Detach devices from the guest as managed
|
|
* 4. Reattach devices to the host
|
|
*/
|
|
static int
|
|
testVirHostdevRoundtripMixed(const void *opaque ATTRIBUTE_UNUSED)
|
|
{
|
|
int ret = -1;
|
|
|
|
if (testVirHostdevDetachPCINodeDevice() < 0)
|
|
goto out;
|
|
if (virHostdevHostSupportsPassthroughKVM()) {
|
|
if (testVirHostdevPreparePCIHostdevs_managed(true) < 0)
|
|
goto out;
|
|
if (testVirHostdevReAttachPCIHostdevs_managed(true) < 0)
|
|
goto out;
|
|
}
|
|
if (testVirHostdevReAttachPCINodeDevice() < 0)
|
|
goto out;
|
|
|
|
ret = 0;
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* testVirHostdevOther:
|
|
* @opaque: unused
|
|
*
|
|
* Perform other operations on devices.
|
|
*
|
|
* 1. Reset devices
|
|
* 2. Update list of active devices
|
|
*/
|
|
static int
|
|
testVirHostdevOther(const void *opaque ATTRIBUTE_UNUSED)
|
|
{
|
|
int ret = -1;
|
|
|
|
if (testVirHostdevResetPCINodeDevice() < 0)
|
|
goto out;
|
|
if (testVirHostdevUpdateActivePCIHostdevs() < 0)
|
|
goto out;
|
|
|
|
ret = 0;
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
# define FAKEROOTDIRTEMPLATE abs_builddir "/fakerootdir-XXXXXX"
|
|
|
|
static int
|
|
mymain(void)
|
|
{
|
|
int ret = 0;
|
|
char *fakerootdir;
|
|
|
|
if (VIR_STRDUP_QUIET(fakerootdir, FAKEROOTDIRTEMPLATE) < 0) {
|
|
fprintf(stderr, "Out of memory\n");
|
|
abort();
|
|
}
|
|
|
|
if (!mkdtemp(fakerootdir)) {
|
|
fprintf(stderr, "Cannot create fakerootdir");
|
|
abort();
|
|
}
|
|
|
|
setenv("LIBVIRT_FAKE_ROOT_DIR", fakerootdir, 1);
|
|
|
|
# define DO_TEST(fnc) \
|
|
do { \
|
|
VIR_DEBUG("Testing: %s", #fnc); \
|
|
if (virTestRun(#fnc, fnc, NULL) < 0) \
|
|
ret = -1; \
|
|
} while (0)
|
|
|
|
if (myInit() < 0)
|
|
fprintf(stderr, "Init data structures failed.");
|
|
|
|
DO_TEST(testVirHostdevRoundtripNoGuest);
|
|
DO_TEST(testVirHostdevRoundtripUnmanaged);
|
|
DO_TEST(testVirHostdevRoundtripManaged);
|
|
DO_TEST(testVirHostdevRoundtripMixed);
|
|
DO_TEST(testVirHostdevOther);
|
|
|
|
myCleanup();
|
|
|
|
if (getenv("LIBVIRT_SKIP_CLEANUP") == NULL)
|
|
virFileDeleteTree(fakerootdir);
|
|
|
|
VIR_FREE(fakerootdir);
|
|
|
|
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
|
|
}
|
|
|
|
VIR_TEST_MAIN_PRELOAD(mymain, abs_builddir "/.libs/virpcimock.so")
|
|
#else
|
|
int
|
|
main(void)
|
|
{
|
|
return EXIT_AM_SKIP;
|
|
}
|
|
#endif
|