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600462834f
In many files there are header comments that contain an Author: statement, supposedly reflecting who originally wrote the code. In a large collaborative project like libvirt, any non-trivial file will have been modified by a large number of different contributors. IOW, the Author: comments are quickly out of date, omitting people who have made significant contribitions. In some places Author: lines have been added despite the person merely being responsible for creating the file by moving existing code out of another file. IOW, the Author: lines give an incorrect record of authorship. With this all in mind, the comments are useless as a means to identify who to talk to about code in a particular file. Contributors will always be better off using 'git log' and 'git blame' if they need to find the author of a particular bit of code. This commit thus deletes all Author: comments from the source and adds a rule to prevent them reappearing. The Copyright headers are similarly misleading and inaccurate, however, we cannot delete these as they have legal meaning, despite being largely inaccurate. In addition only the copyright holder is permitted to change their respective copyright statement. Reviewed-by: Erik Skultety <eskultet@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
641 lines
18 KiB
C
641 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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#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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*
|
|
* 1. Detach devices from the host
|
|
* 2. Attach devices to the guest as unmanaged
|
|
* 3. Detach devices from the guest as unmanaged
|
|
* 4. Reattach devices to the host
|
|
*/
|
|
static int
|
|
testVirHostdevRoundtripUnmanaged(const void *opaque ATTRIBUTE_UNUSED)
|
|
{
|
|
int ret = -1;
|
|
|
|
if (testVirHostdevDetachPCINodeDevice() < 0)
|
|
goto out;
|
|
if (virHostdevHostSupportsPassthroughKVM()) {
|
|
if (testVirHostdevPreparePCIHostdevs_unmanaged() < 0)
|
|
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
|