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222b66974e
Instead, call it virPCIDeviceGetCurrentDriverPathAndName() to avoid confusion with the device name that is stored in the virPCIDevice object - that one is not necessarily the name of the current driver for the device, but could instead be the driver that we want to be bound to the device in the future. Signed-off-by: Laine Stump <laine@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
448 lines
12 KiB
C
448 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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res = virPCIDeviceGetVPD(dev);
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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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