mirror of
https://gitlab.com/libvirt/libvirt.git
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463 lines
13 KiB
C
463 lines
13 KiB
C
/*
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* Copyright (C) 2013, 2014 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: Michal Privoznik <mprivozn@redhat.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 <stdlib.h>
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# include <stdio.h>
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# include <sys/types.h>
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# include <sys/stat.h>
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# include <fcntl.h>
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# include <virpci.h>
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# define VIR_FROM_THIS VIR_FROM_NONE
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static int
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testVirPCIDeviceCheckDriver(virPCIDevicePtr dev, const char *expected)
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{
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char *path = NULL;
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char *driver = NULL;
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int ret = -1;
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if (virPCIDeviceGetDriverPathAndName(dev, &path, &driver) < 0)
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goto cleanup;
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if (STRNEQ_NULLABLE(driver, expected)) {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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"PCI device %s driver mismatch: %s, expecting %s",
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virPCIDeviceGetName(dev), NULLSTR(driver),
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NULLSTR(expected));
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(path);
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VIR_FREE(driver);
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return ret;
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}
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static int
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testVirPCIDeviceNew(const void *opaque ATTRIBUTE_UNUSED)
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{
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int ret = -1;
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virPCIDevicePtr dev;
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const char *devName;
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if (!(dev = virPCIDeviceNew(0, 0, 0, 0)))
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goto cleanup;
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devName = virPCIDeviceGetName(dev);
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if (STRNEQ(devName, "0000:00:00.0")) {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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"PCI device name mismatch: %s, expecting %s",
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devName, "0000:00:00.0");
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goto cleanup;
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}
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ret = 0;
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cleanup:
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virPCIDeviceFree(dev);
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return ret;
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}
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# define CHECK_LIST_COUNT(list, cnt) \
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if ((count = virPCIDeviceListCount(list)) != cnt) { \
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virReportError(VIR_ERR_INTERNAL_ERROR, \
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"Unexpected count of items in " #list ": %d, " \
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"expecting %zu", count, (size_t) cnt); \
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goto cleanup; \
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}
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static int
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testVirPCIDeviceDetach(const void *oaque ATTRIBUTE_UNUSED)
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{
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int ret = -1;
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virPCIDevicePtr dev[] = {NULL, NULL, NULL};
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size_t i, nDev = ARRAY_CARDINALITY(dev);
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virPCIDeviceListPtr activeDevs = NULL, inactiveDevs = NULL;
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int count;
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if (!(activeDevs = virPCIDeviceListNew()) ||
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!(inactiveDevs = virPCIDeviceListNew()))
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goto cleanup;
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CHECK_LIST_COUNT(activeDevs, 0);
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CHECK_LIST_COUNT(inactiveDevs, 0);
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for (i = 0; i < nDev; i++) {
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if (!(dev[i] = virPCIDeviceNew(0, 0, i + 1, 0)) ||
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virPCIDeviceSetStubDriver(dev[i], "pci-stub") < 0)
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goto cleanup;
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if (virPCIDeviceDetach(dev[i], activeDevs, inactiveDevs) < 0)
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goto cleanup;
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if (testVirPCIDeviceCheckDriver(dev[i], "pci-stub") < 0)
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goto cleanup;
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CHECK_LIST_COUNT(activeDevs, 0);
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CHECK_LIST_COUNT(inactiveDevs, i + 1);
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}
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ret = 0;
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cleanup:
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for (i = 0; i < nDev; i++)
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virPCIDeviceFree(dev[i]);
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virObjectUnref(activeDevs);
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virObjectUnref(inactiveDevs);
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return ret;
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}
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static int
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testVirPCIDeviceReset(const void *opaque ATTRIBUTE_UNUSED)
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{
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int ret = -1;
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virPCIDevicePtr dev[] = {NULL, NULL, NULL};
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size_t i, nDev = ARRAY_CARDINALITY(dev);
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virPCIDeviceListPtr activeDevs = NULL, inactiveDevs = NULL;
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int count;
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if (!(activeDevs = virPCIDeviceListNew()) ||
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!(inactiveDevs = virPCIDeviceListNew()))
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goto cleanup;
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CHECK_LIST_COUNT(activeDevs, 0);
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CHECK_LIST_COUNT(inactiveDevs, 0);
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for (i = 0; i < nDev; i++) {
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if (!(dev[i] = virPCIDeviceNew(0, 0, i + 1, 0)) ||
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virPCIDeviceSetStubDriver(dev[i], "pci-stub") < 0)
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goto cleanup;
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if (virPCIDeviceReset(dev[i], activeDevs, inactiveDevs) < 0)
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goto cleanup;
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}
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ret = 0;
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cleanup:
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for (i = 0; i < nDev; i++)
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virPCIDeviceFree(dev[i]);
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virObjectUnref(activeDevs);
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virObjectUnref(inactiveDevs);
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return ret;
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}
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static int
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testVirPCIDeviceReattach(const void *opaque ATTRIBUTE_UNUSED)
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{
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int ret = -1;
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virPCIDevicePtr dev[] = {NULL, NULL, NULL};
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size_t i, nDev = ARRAY_CARDINALITY(dev);
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virPCIDeviceListPtr activeDevs = NULL, inactiveDevs = NULL;
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int count;
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if (!(activeDevs = virPCIDeviceListNew()) ||
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!(inactiveDevs = virPCIDeviceListNew()))
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goto cleanup;
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for (i = 0; i < nDev; i++) {
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if (!(dev[i] = virPCIDeviceNew(0, 0, i + 1, 0)))
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goto cleanup;
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if (virPCIDeviceListAdd(inactiveDevs, dev[i]) < 0) {
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virPCIDeviceFree(dev[i]);
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goto cleanup;
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}
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CHECK_LIST_COUNT(activeDevs, 0);
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CHECK_LIST_COUNT(inactiveDevs, i + 1);
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if (virPCIDeviceSetStubDriver(dev[i], "pci-stub") < 0)
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goto cleanup;
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}
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CHECK_LIST_COUNT(activeDevs, 0);
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CHECK_LIST_COUNT(inactiveDevs, nDev);
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for (i = 0; i < nDev; i++) {
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if (virPCIDeviceReattach(dev[i], activeDevs, inactiveDevs) < 0)
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goto cleanup;
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CHECK_LIST_COUNT(activeDevs, 0);
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CHECK_LIST_COUNT(inactiveDevs, nDev - i - 1);
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}
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ret = 0;
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cleanup:
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virObjectUnref(activeDevs);
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virObjectUnref(inactiveDevs);
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return ret;
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}
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struct testPCIDevData {
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unsigned int domain;
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unsigned int bus;
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unsigned int slot;
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unsigned int function;
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const char *driver;
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};
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static int
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testVirPCIDeviceIsAssignable(const void *opaque)
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{
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const struct testPCIDevData *data = opaque;
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int ret = -1;
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virPCIDevicePtr dev;
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if (!(dev = virPCIDeviceNew(data->domain, data->bus, data->slot, data->function)))
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goto cleanup;
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if (virPCIDeviceIsAssignable(dev, true))
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ret = 0;
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virPCIDeviceFree(dev);
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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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testVirPCIDeviceDetachSingle(const void *opaque)
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{
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const struct testPCIDevData *data = opaque;
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int ret = -1;
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virPCIDevicePtr dev;
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dev = virPCIDeviceNew(data->domain, data->bus, data->slot, data->function);
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if (!dev)
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goto cleanup;
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if (virPCIDeviceSetStubDriver(dev, "pci-stub") < 0 ||
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virPCIDeviceDetach(dev, NULL, NULL) < 0)
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goto cleanup;
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ret = 0;
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cleanup:
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virPCIDeviceFree(dev);
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return ret;
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}
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static int
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testVirPCIDeviceDetachFail(const void *opaque)
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{
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const struct testPCIDevData *data = opaque;
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int ret = -1;
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virPCIDevicePtr dev;
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dev = virPCIDeviceNew(data->domain, data->bus, data->slot, data->function);
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if (!dev)
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goto cleanup;
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if (virPCIDeviceSetStubDriver(dev, "vfio-pci") < 0)
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goto cleanup;
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if (virPCIDeviceDetach(dev, NULL, NULL) < 0) {
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if (virTestGetVerbose() || virTestGetDebug())
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virDispatchError(NULL);
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virResetLastError();
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ret = 0;
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} else {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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"Attaching device %s to %s should have failed",
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virPCIDeviceGetName(dev),
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virPCIDeviceGetStubDriver(dev));
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}
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cleanup:
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virPCIDeviceFree(dev);
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return ret;
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}
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static int
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testVirPCIDeviceReattachSingle(const void *opaque)
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{
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const struct testPCIDevData *data = opaque;
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int ret = -1;
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virPCIDevicePtr dev;
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dev = virPCIDeviceNew(data->domain, data->bus, data->slot, data->function);
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if (!dev)
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goto cleanup;
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virPCIDeviceReattachInit(dev);
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if (virPCIDeviceReattach(dev, NULL, NULL) < 0)
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goto cleanup;
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ret = 0;
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cleanup:
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virPCIDeviceFree(dev);
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return ret;
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}
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static int
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testVirPCIDeviceCheckDriverTest(const void *opaque)
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{
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const struct testPCIDevData *data = opaque;
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int ret = -1;
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virPCIDevicePtr dev;
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dev = virPCIDeviceNew(data->domain, data->bus, data->slot, data->function);
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if (!dev)
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goto cleanup;
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if (testVirPCIDeviceCheckDriver(dev, data->driver) < 0)
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goto cleanup;
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ret = 0;
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cleanup:
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virPCIDeviceFree(dev);
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return ret;
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}
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static int
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testVirPCIDeviceUnbind(const void *opaque)
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{
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const struct testPCIDevData *data = opaque;
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int ret = -1;
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virPCIDevicePtr dev;
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dev = virPCIDeviceNew(data->domain, data->bus, data->slot, data->function);
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if (!dev)
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goto cleanup;
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if (virPCIDeviceUnbind(dev, false) < 0)
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goto cleanup;
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ret = 0;
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cleanup:
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virPCIDeviceFree(dev);
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return ret;
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}
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# define FAKESYSFSDIRTEMPLATE abs_builddir "/fakesysfsdir-XXXXXX"
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static int
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mymain(void)
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{
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int ret = 0;
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char *fakesysfsdir;
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if (VIR_STRDUP_QUIET(fakesysfsdir, FAKESYSFSDIRTEMPLATE) < 0) {
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VIR_TEST_DEBUG("Out of memory\n");
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abort();
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}
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if (!mkdtemp(fakesysfsdir)) {
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VIR_TEST_DEBUG("Cannot create fakesysfsdir");
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abort();
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}
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setenv("LIBVIRT_FAKE_SYSFS_DIR", fakesysfsdir, 1);
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# define DO_TEST(fnc) \
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do { \
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if (virtTestRun(#fnc, fnc, NULL) < 0) \
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ret = -1; \
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} while (0)
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# define DO_TEST_PCI(fnc, domain, bus, slot, function) \
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do { \
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struct testPCIDevData data = { \
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domain, bus, slot, function, NULL \
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}; \
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char *label = NULL; \
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if (virAsprintf(&label, "%s(%04x:%02x:%02x.%x)", \
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#fnc, domain, bus, slot, function) < 0) { \
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ret = -1; \
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break; \
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} \
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if (virtTestRun(label, fnc, &data) < 0) \
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ret = -1; \
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VIR_FREE(label); \
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} while (0)
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# define DO_TEST_PCI_DRIVER(domain, bus, slot, function, driver) \
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do { \
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struct testPCIDevData data = { \
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domain, bus, slot, function, driver \
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}; \
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char *label = NULL; \
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if (virAsprintf(&label, "PCI driver %04x:%02x:%02x.%x is %s", \
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domain, bus, slot, function, \
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NULLSTR(driver)) < 0) { \
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ret = -1; \
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break; \
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} \
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if (virtTestRun(label, testVirPCIDeviceCheckDriverTest, \
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&data) < 0) \
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ret = -1; \
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VIR_FREE(label); \
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} while (0)
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/* Changes made to individual devices are persistent and the
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* tests often rely on the state set by previous tests.
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*/
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DO_TEST(testVirPCIDeviceNew);
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DO_TEST(testVirPCIDeviceDetach);
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DO_TEST(testVirPCIDeviceReset);
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DO_TEST(testVirPCIDeviceReattach);
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DO_TEST_PCI(testVirPCIDeviceIsAssignable, 5, 0x90, 1, 0);
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DO_TEST_PCI(testVirPCIDeviceIsAssignable, 1, 1, 0, 0);
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DO_TEST_PCI(testVirPCIDeviceDetachFail, 0, 0x0a, 1, 0);
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/* Reattach a device already bound to non-stub a driver */
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DO_TEST_PCI_DRIVER(0, 0x0a, 1, 0, "i915");
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DO_TEST_PCI(testVirPCIDeviceReattachSingle, 0, 0x0a, 1, 0);
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DO_TEST_PCI_DRIVER(0, 0x0a, 1, 0, "i915");
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/* Reattach an unbound device */
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DO_TEST_PCI(testVirPCIDeviceUnbind, 0, 0x0a, 1, 0);
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DO_TEST_PCI_DRIVER(0, 0x0a, 1, 0, NULL);
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DO_TEST_PCI(testVirPCIDeviceReattachSingle, 0, 0x0a, 1, 0);
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DO_TEST_PCI_DRIVER(0, 0x0a, 1, 0, "i915");
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/* Detach an unbound device */
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DO_TEST_PCI_DRIVER(0, 0x0a, 2, 0, NULL);
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DO_TEST_PCI(testVirPCIDeviceDetachSingle, 0, 0x0a, 2, 0);
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DO_TEST_PCI_DRIVER(0, 0x0a, 2, 0, "pci-stub");
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/* Reattach an unknown unbound device */
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DO_TEST_PCI_DRIVER(0, 0x0a, 3, 0, NULL);
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DO_TEST_PCI(testVirPCIDeviceReattachSingle, 0, 0x0a, 3, 0);
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DO_TEST_PCI_DRIVER(0, 0x0a, 3, 0, NULL);
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if (getenv("LIBVIRT_SKIP_CLEANUP") == NULL)
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virFileDeleteTree(fakesysfsdir);
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VIR_FREE(fakesysfsdir);
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return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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VIRT_TEST_MAIN_PRELOAD(mymain, abs_builddir "/.libs/virpcimock.so")
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#else
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int
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main(void)
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{
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return EXIT_AM_SKIP;
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}
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#endif
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