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e1dc851e7c
Until now 'virPCIDeviceGetVPD' couldn't reallistically raise an error, but that will change. Handle the errors by either resetting it if we'd be ignoring it or forward it. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
449 lines
12 KiB
C
449 lines
12 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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#include <config.h>
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#include "internal.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 <fcntl.h>
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# include <virpci.h>
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# include <virpcivpd.h>
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# define VIR_FROM_THIS VIR_FROM_NONE
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static int
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testVirPCIDeviceCheckDriver(virPCIDevice *dev, const char *expected)
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{
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g_autofree char *path = NULL;
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g_autofree char *driver = NULL;
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if (virPCIDeviceGetCurrentDriverPathAndName(dev, &path, &driver) < 0)
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return -1;
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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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return -1;
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}
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return 0;
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}
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static int
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testVirPCIDeviceNew(const void *opaque G_GNUC_UNUSED)
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{
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int ret = -1;
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virPCIDevice *dev;
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const char *devName;
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virPCIDeviceAddress devAddr = {.domain = 0, .bus = 0, .slot = 0, .function = 0};
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if (!(dev = virPCIDeviceNew(&devAddr)))
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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 *opaque G_GNUC_UNUSED)
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{
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int ret = -1;
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virPCIDevice *dev[] = {NULL, NULL, NULL};
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size_t i, nDev = G_N_ELEMENTS(dev);
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g_autoptr(virPCIDeviceList) activeDevs = NULL;
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g_autoptr(virPCIDeviceList) 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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virPCIDeviceAddress devAddr = {.domain = 0, .bus = 0,
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.slot = i + 1, .function = 0};
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if (!(dev[i] = virPCIDeviceNew(&devAddr)))
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goto cleanup;
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virPCIDeviceSetStubDriverType(dev[i], VIR_PCI_STUB_DRIVER_VFIO);
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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], "vfio-pci") < 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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return ret;
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}
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static int
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testVirPCIDeviceReset(const void *opaque G_GNUC_UNUSED)
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{
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int ret = -1;
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virPCIDevice *dev[] = {NULL, NULL, NULL};
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size_t i, nDev = G_N_ELEMENTS(dev);
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g_autoptr(virPCIDeviceList) activeDevs = NULL;
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g_autoptr(virPCIDeviceList) 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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virPCIDeviceAddress devAddr = {.domain = 0, .bus = 0,
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.slot = i + 1, .function = 0};
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if (!(dev[i] = virPCIDeviceNew(&devAddr)))
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goto cleanup;
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virPCIDeviceSetStubDriverType(dev[i], VIR_PCI_STUB_DRIVER_VFIO);
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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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return ret;
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}
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static int
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testVirPCIDeviceReattach(const void *opaque G_GNUC_UNUSED)
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{
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int ret = -1;
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virPCIDevice *dev[] = {NULL, NULL, NULL};
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size_t i, nDev = G_N_ELEMENTS(dev);
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g_autoptr(virPCIDeviceList) activeDevs = NULL;
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g_autoptr(virPCIDeviceList) 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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virPCIDeviceAddress devAddr = {.domain = 0, .bus = 0,
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.slot = i + 1, .function = 0};
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if (!(dev[i] = virPCIDeviceNew(&devAddr)))
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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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virPCIDeviceSetStubDriverType(dev[i], VIR_PCI_STUB_DRIVER_VFIO);
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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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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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virPCIDevice *dev;
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virPCIDeviceAddress devAddr = {.domain = data->domain, .bus = data->bus,
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.slot = data->slot, .function = data->function};
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if (!(dev = virPCIDeviceNew(&devAddr)))
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return -1;
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if (virPCIDeviceIsAssignable(dev, true))
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ret = 0;
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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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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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virPCIDevice *dev;
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virPCIDeviceAddress devAddr = {.domain = data->domain, .bus = data->bus,
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.slot = data->slot, .function = data->function};
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dev = virPCIDeviceNew(&devAddr);
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if (!dev)
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goto cleanup;
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virPCIDeviceSetStubDriverType(dev, VIR_PCI_STUB_DRIVER_VFIO);
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if (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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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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virPCIDevice *dev;
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virPCIDeviceAddress devAddr = {.domain = data->domain, .bus = data->bus,
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.slot = data->slot, .function = data->function};
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dev = virPCIDeviceNew(&devAddr);
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if (!dev)
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goto cleanup;
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virPCIDeviceSetUnbindFromStub(dev, true);
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virPCIDeviceSetRemoveSlot(dev, true);
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virPCIDeviceSetReprobe(dev, true);
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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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virPCIDevice *dev;
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virPCIDeviceAddress devAddr = {.domain = data->domain, .bus = data->bus,
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.slot = data->slot, .function = data->function};
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dev = virPCIDeviceNew(&devAddr);
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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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virPCIDevice *dev;
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virPCIDeviceAddress devAddr = {.domain = data->domain, .bus = data->bus,
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.slot = data->slot, .function = data->function};
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dev = virPCIDeviceNew(&devAddr);
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if (!dev)
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goto cleanup;
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if (virPCIDeviceUnbind(dev) < 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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testVirPCIDeviceGetVPD(const void *opaque)
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{
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const struct testPCIDevData *data = opaque;
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g_autoptr(virPCIDevice) dev = NULL;
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virPCIDeviceAddress devAddr = {.domain = data->domain, .bus = data->bus,
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.slot = data->slot, .function = data->function};
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g_autoptr(virPCIVPDResource) res = NULL;
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dev = virPCIDeviceNew(&devAddr);
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if (!dev)
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return -1;
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if (!(res = virPCIDeviceGetVPD(dev)))
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return -1;
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/* Only basic checks - full parser validation is done elsewhere. */
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if (res->ro == NULL)
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return -1;
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if (STRNEQ(res->name, "testname")) {
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VIR_TEST_DEBUG("Unexpected name present in VPD: %s", res->name);
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return -1;
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}
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if (STRNEQ(res->ro->part_number, "42")) {
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VIR_TEST_DEBUG("Unexpected part number value present in VPD: %s", res->ro->part_number);
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return -1;
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}
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return 0;
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}
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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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# define DO_TEST(fnc) \
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do { \
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if (virTestRun(#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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g_autofree char *label = NULL; \
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label = g_strdup_printf("%s(%04x:%02x:%02x.%x)", \
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#fnc, domain, bus, slot, function); \
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if (virTestRun(label, fnc, &data) < 0) \
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ret = -1; \
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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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g_autofree char *label = NULL; \
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label = g_strdup_printf("PCI driver %04x:%02x:%02x.%x is %s", \
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domain, bus, slot, function, \
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NULLSTR(driver)); \
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if (virTestRun(label, testVirPCIDeviceCheckDriverTest, \
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&data) < 0) \
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ret = -1; \
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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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/* 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, "vfio-pci");
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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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DO_TEST_PCI(testVirPCIDeviceGetVPD, 0, 0x03, 0, 0);
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return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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VIR_TEST_MAIN_PRELOAD(mymain, VIR_TEST_MOCK("virpci"))
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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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