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qemu/tests/virtio-blk-test.c

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/*
* QTest testcase for VirtIO Block Device
*
* Copyright (c) 2014 SUSE LINUX Products GmbH
* Copyright (c) 2014 Marc Marí
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "libqtest.h"
#include "libqos/libqos-pc.h"
#include "libqos/libqos-spapr.h"
#include "libqos/virtio.h"
#include "libqos/virtio-pci.h"
#include "libqos/virtio-mmio.h"
#include "libqos/malloc-generic.h"
#include "qemu/bswap.h"
#include "standard-headers/linux/virtio_ids.h"
#include "standard-headers/linux/virtio_config.h"
#include "standard-headers/linux/virtio_ring.h"
#include "standard-headers/linux/virtio_blk.h"
#include "standard-headers/linux/virtio_pci.h"
#define TEST_IMAGE_SIZE (64 * 1024 * 1024)
#define QVIRTIO_BLK_TIMEOUT_US (30 * 1000 * 1000)
#define PCI_SLOT_HP 0x06
#define PCI_SLOT 0x04
#define PCI_FN 0x00
#define MMIO_PAGE_SIZE 4096
#define MMIO_DEV_BASE_ADDR 0x0A003E00
#define MMIO_RAM_ADDR 0x40000000
#define MMIO_RAM_SIZE 0x20000000
typedef struct QVirtioBlkReq {
uint32_t type;
uint32_t ioprio;
uint64_t sector;
char *data;
uint8_t status;
} QVirtioBlkReq;
static char *drive_create(void)
{
int fd, ret;
char *tmp_path = g_strdup("/tmp/qtest.XXXXXX");
/* Create a temporary raw image */
fd = mkstemp(tmp_path);
g_assert_cmpint(fd, >=, 0);
ret = ftruncate(fd, TEST_IMAGE_SIZE);
g_assert_cmpint(ret, ==, 0);
close(fd);
return tmp_path;
}
static QOSState *pci_test_start(void)
{
QOSState *qs;
const char *arch = qtest_get_arch();
char *tmp_path;
const char *cmd = "-drive if=none,id=drive0,file=%s,format=raw "
"-drive if=none,id=drive1,file=null-co://,format=raw "
"-device virtio-blk-pci,id=drv0,drive=drive0,"
"addr=%x.%x";
tmp_path = drive_create();
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
qs = qtest_pc_boot(cmd, tmp_path, PCI_SLOT, PCI_FN);
} else if (strcmp(arch, "ppc64") == 0) {
qs = qtest_spapr_boot(cmd, tmp_path, PCI_SLOT, PCI_FN);
} else {
g_printerr("virtio-blk tests are only available on x86 or ppc64\n");
exit(EXIT_FAILURE);
}
global_qtest = qs->qts;
unlink(tmp_path);
g_free(tmp_path);
return qs;
}
static void arm_test_start(void)
{
char *tmp_path;
tmp_path = drive_create();
global_qtest = qtest_startf("-machine virt "
"-drive if=none,id=drive0,file=%s,format=raw "
"-device virtio-blk-device,drive=drive0",
tmp_path);
unlink(tmp_path);
g_free(tmp_path);
}
static void test_end(void)
{
qtest_end();
}
static QVirtioPCIDevice *virtio_blk_pci_init(QPCIBus *bus, int slot)
{
QVirtioPCIDevice *dev;
dev = qvirtio_pci_device_find_slot(bus, VIRTIO_ID_BLOCK, slot);
g_assert(dev != NULL);
g_assert_cmphex(dev->vdev.device_type, ==, VIRTIO_ID_BLOCK);
g_assert_cmphex(dev->pdev->devfn, ==, ((slot << 3) | PCI_FN));
qvirtio_pci_device_enable(dev);
qvirtio_reset(&dev->vdev);
qvirtio_set_acknowledge(&dev->vdev);
qvirtio_set_driver(&dev->vdev);
return dev;
}
static inline void virtio_blk_fix_request(QVirtioDevice *d, QVirtioBlkReq *req)
{
#ifdef HOST_WORDS_BIGENDIAN
const bool host_is_big_endian = true;
#else
const bool host_is_big_endian = false;
#endif
if (qvirtio_is_big_endian(d) != host_is_big_endian) {
req->type = bswap32(req->type);
req->ioprio = bswap32(req->ioprio);
req->sector = bswap64(req->sector);
}
}
static uint64_t virtio_blk_request(QGuestAllocator *alloc, QVirtioDevice *d,
QVirtioBlkReq *req, uint64_t data_size)
{
uint64_t addr;
uint8_t status = 0xFF;
g_assert_cmpuint(data_size % 512, ==, 0);
addr = guest_alloc(alloc, sizeof(*req) + data_size);
virtio_blk_fix_request(d, req);
memwrite(addr, req, 16);
memwrite(addr + 16, req->data, data_size);
memwrite(addr + 16 + data_size, &status, sizeof(status));
return addr;
}
static void test_basic(QVirtioDevice *dev, QGuestAllocator *alloc,
QVirtQueue *vq)
{
QVirtioBlkReq req;
uint64_t req_addr;
uint64_t capacity;
uint32_t features;
uint32_t free_head;
uint8_t status;
char *data;
capacity = qvirtio_config_readq(dev, 0);
g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
features = qvirtio_get_features(dev);
features = features & ~(QVIRTIO_F_BAD_FEATURE |
(1u << VIRTIO_RING_F_INDIRECT_DESC) |
(1u << VIRTIO_RING_F_EVENT_IDX) |
(1u << VIRTIO_BLK_F_SCSI));
qvirtio_set_features(dev, features);
qvirtio_set_driver_ok(dev);
/* Write and read with 3 descriptor layout */
/* Write request */
req.type = VIRTIO_BLK_T_OUT;
req.ioprio = 1;
req.sector = 0;
req.data = g_malloc0(512);
strcpy(req.data, "TEST");
req_addr = virtio_blk_request(alloc, dev, &req, 512);
g_free(req.data);
free_head = qvirtqueue_add(vq, req_addr, 16, false, true);
qvirtqueue_add(vq, req_addr + 16, 512, false, true);
qvirtqueue_add(vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL, QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
guest_free(alloc, req_addr);
/* Read request */
req.type = VIRTIO_BLK_T_IN;
req.ioprio = 1;
req.sector = 0;
req.data = g_malloc0(512);
req_addr = virtio_blk_request(alloc, dev, &req, 512);
g_free(req.data);
free_head = qvirtqueue_add(vq, req_addr, 16, false, true);
qvirtqueue_add(vq, req_addr + 16, 512, true, true);
qvirtqueue_add(vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL, QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
data = g_malloc0(512);
memread(req_addr + 16, data, 512);
g_assert_cmpstr(data, ==, "TEST");
g_free(data);
guest_free(alloc, req_addr);
if (features & (1u << VIRTIO_F_ANY_LAYOUT)) {
/* Write and read with 2 descriptor layout */
/* Write request */
req.type = VIRTIO_BLK_T_OUT;
req.ioprio = 1;
req.sector = 1;
req.data = g_malloc0(512);
strcpy(req.data, "TEST");
req_addr = virtio_blk_request(alloc, dev, &req, 512);
g_free(req.data);
free_head = qvirtqueue_add(vq, req_addr, 528, false, true);
qvirtqueue_add(vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
guest_free(alloc, req_addr);
/* Read request */
req.type = VIRTIO_BLK_T_IN;
req.ioprio = 1;
req.sector = 1;
req.data = g_malloc0(512);
req_addr = virtio_blk_request(alloc, dev, &req, 512);
g_free(req.data);
free_head = qvirtqueue_add(vq, req_addr, 16, false, true);
qvirtqueue_add(vq, req_addr + 16, 513, true, false);
qvirtqueue_kick(dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
data = g_malloc0(512);
memread(req_addr + 16, data, 512);
g_assert_cmpstr(data, ==, "TEST");
g_free(data);
guest_free(alloc, req_addr);
}
}
static void pci_basic(void)
{
QVirtioPCIDevice *dev;
QOSState *qs;
QVirtQueuePCI *vqpci;
qs = pci_test_start();
dev = virtio_blk_pci_init(qs->pcibus, PCI_SLOT);
vqpci = (QVirtQueuePCI *)qvirtqueue_setup(&dev->vdev, qs->alloc, 0);
test_basic(&dev->vdev, qs->alloc, &vqpci->vq);
/* End test */
qvirtqueue_cleanup(dev->vdev.bus, &vqpci->vq, qs->alloc);
qvirtio_pci_device_disable(dev);
qvirtio_pci_device_free(dev);
qtest_shutdown(qs);
}
static void pci_indirect(void)
{
QVirtioPCIDevice *dev;
QVirtQueuePCI *vqpci;
QOSState *qs;
QVirtioBlkReq req;
QVRingIndirectDesc *indirect;
uint64_t req_addr;
uint64_t capacity;
uint32_t features;
uint32_t free_head;
uint8_t status;
char *data;
qs = pci_test_start();
dev = virtio_blk_pci_init(qs->pcibus, PCI_SLOT);
capacity = qvirtio_config_readq(&dev->vdev, 0);
g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
features = qvirtio_get_features(&dev->vdev);
g_assert_cmphex(features & (1u << VIRTIO_RING_F_INDIRECT_DESC), !=, 0);
features = features & ~(QVIRTIO_F_BAD_FEATURE |
(1u << VIRTIO_RING_F_EVENT_IDX) |
(1u << VIRTIO_BLK_F_SCSI));
qvirtio_set_features(&dev->vdev, features);
vqpci = (QVirtQueuePCI *)qvirtqueue_setup(&dev->vdev, qs->alloc, 0);
qvirtio_set_driver_ok(&dev->vdev);
/* Write request */
req.type = VIRTIO_BLK_T_OUT;
req.ioprio = 1;
req.sector = 0;
req.data = g_malloc0(512);
strcpy(req.data, "TEST");
req_addr = virtio_blk_request(qs->alloc, &dev->vdev, &req, 512);
g_free(req.data);
indirect = qvring_indirect_desc_setup(&dev->vdev, qs->alloc, 2);
qvring_indirect_desc_add(indirect, req_addr, 528, false);
qvring_indirect_desc_add(indirect, req_addr + 528, 1, true);
free_head = qvirtqueue_add_indirect(&vqpci->vq, indirect);
qvirtqueue_kick(&dev->vdev, &vqpci->vq, free_head);
qvirtio_wait_used_elem(&dev->vdev, &vqpci->vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
g_free(indirect);
guest_free(qs->alloc, req_addr);
/* Read request */
req.type = VIRTIO_BLK_T_IN;
req.ioprio = 1;
req.sector = 0;
req.data = g_malloc0(512);
strcpy(req.data, "TEST");
req_addr = virtio_blk_request(qs->alloc, &dev->vdev, &req, 512);
g_free(req.data);
indirect = qvring_indirect_desc_setup(&dev->vdev, qs->alloc, 2);
qvring_indirect_desc_add(indirect, req_addr, 16, false);
qvring_indirect_desc_add(indirect, req_addr + 16, 513, true);
free_head = qvirtqueue_add_indirect(&vqpci->vq, indirect);
qvirtqueue_kick(&dev->vdev, &vqpci->vq, free_head);
qvirtio_wait_used_elem(&dev->vdev, &vqpci->vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
data = g_malloc0(512);
memread(req_addr + 16, data, 512);
g_assert_cmpstr(data, ==, "TEST");
g_free(data);
g_free(indirect);
guest_free(qs->alloc, req_addr);
/* End test */
qvirtqueue_cleanup(dev->vdev.bus, &vqpci->vq, qs->alloc);
qvirtio_pci_device_disable(dev);
qvirtio_pci_device_free(dev);
qtest_shutdown(qs);
}
static void pci_config(void)
{
QVirtioPCIDevice *dev;
QOSState *qs;
int n_size = TEST_IMAGE_SIZE / 2;
uint64_t capacity;
qs = pci_test_start();
dev = virtio_blk_pci_init(qs->pcibus, PCI_SLOT);
capacity = qvirtio_config_readq(&dev->vdev, 0);
g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
qvirtio_set_driver_ok(&dev->vdev);
qmp_discard_response("{ 'execute': 'block_resize', "
" 'arguments': { 'device': 'drive0', "
" 'size': %d } }", n_size);
qvirtio_wait_config_isr(&dev->vdev, QVIRTIO_BLK_TIMEOUT_US);
capacity = qvirtio_config_readq(&dev->vdev, 0);
g_assert_cmpint(capacity, ==, n_size / 512);
qvirtio_pci_device_disable(dev);
qvirtio_pci_device_free(dev);
qtest_shutdown(qs);
}
static void pci_msix(void)
{
QVirtioPCIDevice *dev;
QOSState *qs;
QVirtQueuePCI *vqpci;
QVirtioBlkReq req;
int n_size = TEST_IMAGE_SIZE / 2;
uint64_t req_addr;
uint64_t capacity;
uint32_t features;
uint32_t free_head;
uint8_t status;
char *data;
qs = pci_test_start();
dev = virtio_blk_pci_init(qs->pcibus, PCI_SLOT);
qpci_msix_enable(dev->pdev);
qvirtio_pci_set_msix_configuration_vector(dev, qs->alloc, 0);
capacity = qvirtio_config_readq(&dev->vdev, 0);
g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
features = qvirtio_get_features(&dev->vdev);
features = features & ~(QVIRTIO_F_BAD_FEATURE |
(1u << VIRTIO_RING_F_INDIRECT_DESC) |
(1u << VIRTIO_RING_F_EVENT_IDX) |
(1u << VIRTIO_BLK_F_SCSI));
qvirtio_set_features(&dev->vdev, features);
vqpci = (QVirtQueuePCI *)qvirtqueue_setup(&dev->vdev, qs->alloc, 0);
qvirtqueue_pci_msix_setup(dev, vqpci, qs->alloc, 1);
qvirtio_set_driver_ok(&dev->vdev);
qmp_discard_response("{ 'execute': 'block_resize', "
" 'arguments': { 'device': 'drive0', "
" 'size': %d } }", n_size);
qvirtio_wait_config_isr(&dev->vdev, QVIRTIO_BLK_TIMEOUT_US);
capacity = qvirtio_config_readq(&dev->vdev, 0);
g_assert_cmpint(capacity, ==, n_size / 512);
/* Write request */
req.type = VIRTIO_BLK_T_OUT;
req.ioprio = 1;
req.sector = 0;
req.data = g_malloc0(512);
strcpy(req.data, "TEST");
req_addr = virtio_blk_request(qs->alloc, &dev->vdev, &req, 512);
g_free(req.data);
free_head = qvirtqueue_add(&vqpci->vq, req_addr, 16, false, true);
qvirtqueue_add(&vqpci->vq, req_addr + 16, 512, false, true);
qvirtqueue_add(&vqpci->vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(&dev->vdev, &vqpci->vq, free_head);
qvirtio_wait_used_elem(&dev->vdev, &vqpci->vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
guest_free(qs->alloc, req_addr);
/* Read request */
req.type = VIRTIO_BLK_T_IN;
req.ioprio = 1;
req.sector = 0;
req.data = g_malloc0(512);
req_addr = virtio_blk_request(qs->alloc, &dev->vdev, &req, 512);
g_free(req.data);
free_head = qvirtqueue_add(&vqpci->vq, req_addr, 16, false, true);
qvirtqueue_add(&vqpci->vq, req_addr + 16, 512, true, true);
qvirtqueue_add(&vqpci->vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(&dev->vdev, &vqpci->vq, free_head);
qvirtio_wait_used_elem(&dev->vdev, &vqpci->vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
data = g_malloc0(512);
memread(req_addr + 16, data, 512);
g_assert_cmpstr(data, ==, "TEST");
g_free(data);
guest_free(qs->alloc, req_addr);
/* End test */
qvirtqueue_cleanup(dev->vdev.bus, &vqpci->vq, qs->alloc);
qpci_msix_disable(dev->pdev);
qvirtio_pci_device_disable(dev);
qvirtio_pci_device_free(dev);
qtest_shutdown(qs);
}
static void pci_idx(void)
{
QVirtioPCIDevice *dev;
QOSState *qs;
QVirtQueuePCI *vqpci;
QVirtioBlkReq req;
uint64_t req_addr;
uint64_t capacity;
uint32_t features;
uint32_t free_head;
uint32_t write_head;
uint32_t desc_idx;
uint8_t status;
char *data;
qs = pci_test_start();
dev = virtio_blk_pci_init(qs->pcibus, PCI_SLOT);
qpci_msix_enable(dev->pdev);
qvirtio_pci_set_msix_configuration_vector(dev, qs->alloc, 0);
capacity = qvirtio_config_readq(&dev->vdev, 0);
g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
features = qvirtio_get_features(&dev->vdev);
features = features & ~(QVIRTIO_F_BAD_FEATURE |
(1u << VIRTIO_RING_F_INDIRECT_DESC) |
(1u << VIRTIO_F_NOTIFY_ON_EMPTY) |
(1u << VIRTIO_BLK_F_SCSI));
qvirtio_set_features(&dev->vdev, features);
vqpci = (QVirtQueuePCI *)qvirtqueue_setup(&dev->vdev, qs->alloc, 0);
qvirtqueue_pci_msix_setup(dev, vqpci, qs->alloc, 1);
qvirtio_set_driver_ok(&dev->vdev);
/* Write request */
req.type = VIRTIO_BLK_T_OUT;
req.ioprio = 1;
req.sector = 0;
req.data = g_malloc0(512);
strcpy(req.data, "TEST");
req_addr = virtio_blk_request(qs->alloc, &dev->vdev, &req, 512);
g_free(req.data);
free_head = qvirtqueue_add(&vqpci->vq, req_addr, 16, false, true);
qvirtqueue_add(&vqpci->vq, req_addr + 16, 512, false, true);
qvirtqueue_add(&vqpci->vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(&dev->vdev, &vqpci->vq, free_head);
qvirtio_wait_used_elem(&dev->vdev, &vqpci->vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
/* Write request */
req.type = VIRTIO_BLK_T_OUT;
req.ioprio = 1;
req.sector = 1;
req.data = g_malloc0(512);
strcpy(req.data, "TEST");
req_addr = virtio_blk_request(qs->alloc, &dev->vdev, &req, 512);
g_free(req.data);
/* Notify after processing the third request */
qvirtqueue_set_used_event(&vqpci->vq, 2);
free_head = qvirtqueue_add(&vqpci->vq, req_addr, 16, false, true);
qvirtqueue_add(&vqpci->vq, req_addr + 16, 512, false, true);
qvirtqueue_add(&vqpci->vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(&dev->vdev, &vqpci->vq, free_head);
write_head = free_head;
/* No notification expected */
status = qvirtio_wait_status_byte_no_isr(&dev->vdev,
&vqpci->vq, req_addr + 528,
QVIRTIO_BLK_TIMEOUT_US);
g_assert_cmpint(status, ==, 0);
guest_free(qs->alloc, req_addr);
/* Read request */
req.type = VIRTIO_BLK_T_IN;
req.ioprio = 1;
req.sector = 1;
req.data = g_malloc0(512);
req_addr = virtio_blk_request(qs->alloc, &dev->vdev, &req, 512);
g_free(req.data);
free_head = qvirtqueue_add(&vqpci->vq, req_addr, 16, false, true);
qvirtqueue_add(&vqpci->vq, req_addr + 16, 512, true, true);
qvirtqueue_add(&vqpci->vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(&dev->vdev, &vqpci->vq, free_head);
/* We get just one notification for both requests */
qvirtio_wait_used_elem(&dev->vdev, &vqpci->vq, write_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
g_assert(qvirtqueue_get_buf(&vqpci->vq, &desc_idx, NULL));
g_assert_cmpint(desc_idx, ==, free_head);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
data = g_malloc0(512);
memread(req_addr + 16, data, 512);
g_assert_cmpstr(data, ==, "TEST");
g_free(data);
guest_free(qs->alloc, req_addr);
/* End test */
qvirtqueue_cleanup(dev->vdev.bus, &vqpci->vq, qs->alloc);
qpci_msix_disable(dev->pdev);
qvirtio_pci_device_disable(dev);
qvirtio_pci_device_free(dev);
qtest_shutdown(qs);
}
static void pci_hotplug(void)
{
QVirtioPCIDevice *dev;
QOSState *qs;
const char *arch = qtest_get_arch();
qs = pci_test_start();
/* plug secondary disk */
qpci_plug_device_test("virtio-blk-pci", "drv1", PCI_SLOT_HP,
"'drive': 'drive1'");
dev = virtio_blk_pci_init(qs->pcibus, PCI_SLOT_HP);
g_assert(dev);
qvirtio_pci_device_disable(dev);
qvirtio_pci_device_free(dev);
/* unplug secondary disk */
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
qpci_unplug_acpi_device_test("drv1", PCI_SLOT_HP);
}
qtest_shutdown(qs);
}
/*
* Check that setting the vring addr on a non-existent virtqueue does
* not crash.
*/
static void test_nonexistent_virtqueue(void)
{
QPCIBar bar0;
QOSState *qs;
QPCIDevice *dev;
qs = pci_test_start();
dev = qpci_device_find(qs->pcibus, QPCI_DEVFN(4, 0));
g_assert(dev != NULL);
qpci_device_enable(dev);
bar0 = qpci_iomap(dev, 0, NULL);
qpci_io_writeb(dev, bar0, VIRTIO_PCI_QUEUE_SEL, 2);
qpci_io_writel(dev, bar0, VIRTIO_PCI_QUEUE_PFN, 1);
g_free(dev);
qtest_shutdown(qs);
}
static void mmio_basic(void)
{
QVirtioMMIODevice *dev;
QVirtQueue *vq;
QGuestAllocator *alloc;
int n_size = TEST_IMAGE_SIZE / 2;
uint64_t capacity;
arm_test_start();
dev = qvirtio_mmio_init_device(MMIO_DEV_BASE_ADDR, MMIO_PAGE_SIZE);
g_assert(dev != NULL);
g_assert_cmphex(dev->vdev.device_type, ==, VIRTIO_ID_BLOCK);
qvirtio_reset(&dev->vdev);
qvirtio_set_acknowledge(&dev->vdev);
qvirtio_set_driver(&dev->vdev);
alloc = generic_alloc_init(MMIO_RAM_ADDR, MMIO_RAM_SIZE, MMIO_PAGE_SIZE);
vq = qvirtqueue_setup(&dev->vdev, alloc, 0);
test_basic(&dev->vdev, alloc, vq);
qmp_discard_response("{ 'execute': 'block_resize', "
" 'arguments': { 'device': 'drive0', "
" 'size': %d } }", n_size);
qvirtio_wait_queue_isr(&dev->vdev, vq, QVIRTIO_BLK_TIMEOUT_US);
capacity = qvirtio_config_readq(&dev->vdev, 0);
g_assert_cmpint(capacity, ==, n_size / 512);
/* End test */
qvirtqueue_cleanup(dev->vdev.bus, vq, alloc);
g_free(dev);
generic_alloc_uninit(alloc);
test_end();
}
int main(int argc, char **argv)
{
const char *arch = qtest_get_arch();
g_test_init(&argc, &argv, NULL);
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0 ||
strcmp(arch, "ppc64") == 0) {
qtest_add_func("/virtio/blk/pci/basic", pci_basic);
qtest_add_func("/virtio/blk/pci/indirect", pci_indirect);
qtest_add_func("/virtio/blk/pci/config", pci_config);
qtest_add_func("/virtio/blk/pci/nxvirtq", test_nonexistent_virtqueue);
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
qtest_add_func("/virtio/blk/pci/msix", pci_msix);
qtest_add_func("/virtio/blk/pci/idx", pci_idx);
}
qtest_add_func("/virtio/blk/pci/hotplug", pci_hotplug);
} else if (strcmp(arch, "arm") == 0) {
qtest_add_func("/virtio/blk/mmio/basic", mmio_basic);
}
return g_test_run();
}
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