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tests/libqos: Make generic virtio code independent from global_qtest

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The libqos library functions should never depend on global_qtest,
since these functions might be used in tests that track multiple
test states. Pass around a pointer to the QTestState instead.

Message-Id: <20190814195920.32023-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Thomas Huth
2019-05-18 10:23:24 +02:00
parent ca1ef1e62e
commit 1999a70a05
6 changed files with 175 additions and 147 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
tests/libqos/virtio.c
View File

@@ -101,7 +101,7 @@ void qvirtio_wait_queue_isr(QVirtioDevice *d,
* The virtqueue interrupt must not be raised, making this useful for testing
* event_index functionality.
*/
uint8_t qvirtio_wait_status_byte_no_isr(QVirtioDevice *d,
uint8_t qvirtio_wait_status_byte_no_isr(QTestState *qts, QVirtioDevice *d,
QVirtQueue *vq,
uint64_t addr,
gint64 timeout_us)
@@ -126,7 +126,7 @@ uint8_t qvirtio_wait_status_byte_no_isr(QVirtioDevice *d,
*
* This function waits for the next completed request on the used ring.
*/
void qvirtio_wait_used_elem(QVirtioDevice *d,
void qvirtio_wait_used_elem(QTestState *qts, QVirtioDevice *d,
QVirtQueue *vq,
uint32_t desc_idx,
uint32_t *len,
@@ -140,7 +140,7 @@ void qvirtio_wait_used_elem(QVirtioDevice *d,
clock_step(100);
if (d->bus->get_queue_isr_status(d, vq) &&
qvirtqueue_get_buf(vq, &got_desc_idx, len)) {
qvirtqueue_get_buf(qts, vq, &got_desc_idx, len)) {
g_assert_cmpint(got_desc_idx, ==, desc_idx);
return;
}
@@ -193,8 +193,9 @@ void qvring_init(QTestState *qts, const QGuestAllocator *alloc, QVirtQueue *vq,
0);
}
QVRingIndirectDesc *qvring_indirect_desc_setup(QVirtioDevice *d,
QGuestAllocator *alloc, uint16_t elem)
QVRingIndirectDesc *qvring_indirect_desc_setup(QTestState *qs, QVirtioDevice *d,
QGuestAllocator *alloc,
uint16_t elem)
{
int i;
QVRingIndirectDesc *indirect = g_malloc(sizeof(*indirect));
@@ -205,41 +206,41 @@ QVRingIndirectDesc *qvring_indirect_desc_setup(QVirtioDevice *d,
for (i = 0; i < elem - 1; ++i) {
/* indirect->desc[i].addr */
writeq(indirect->desc + (16 * i), 0);
qtest_writeq(qs, indirect->desc + (16 * i), 0);
/* indirect->desc[i].flags */
writew(indirect->desc + (16 * i) + 12, VRING_DESC_F_NEXT);
qtest_writew(qs, indirect->desc + (16 * i) + 12, VRING_DESC_F_NEXT);
/* indirect->desc[i].next */
writew(indirect->desc + (16 * i) + 14, i + 1);
qtest_writew(qs, indirect->desc + (16 * i) + 14, i + 1);
}
return indirect;
}
void qvring_indirect_desc_add(QVRingIndirectDesc *indirect, uint64_t data,
uint32_t len, bool write)
void qvring_indirect_desc_add(QTestState *qts, QVRingIndirectDesc *indirect,
uint64_t data, uint32_t len, bool write)
{
uint16_t flags;
g_assert_cmpint(indirect->index, <, indirect->elem);
flags = readw(indirect->desc + (16 * indirect->index) + 12);
flags = qtest_readw(qts, indirect->desc + (16 * indirect->index) + 12);
if (write) {
flags |= VRING_DESC_F_WRITE;
}
/* indirect->desc[indirect->index].addr */
writeq(indirect->desc + (16 * indirect->index), data);
qtest_writeq(qts, indirect->desc + (16 * indirect->index), data);
/* indirect->desc[indirect->index].len */
writel(indirect->desc + (16 * indirect->index) + 8, len);
qtest_writel(qts, indirect->desc + (16 * indirect->index) + 8, len);
/* indirect->desc[indirect->index].flags */
writew(indirect->desc + (16 * indirect->index) + 12, flags);
qtest_writew(qts, indirect->desc + (16 * indirect->index) + 12, flags);
indirect->index++;
}
uint32_t qvirtqueue_add(QVirtQueue *vq, uint64_t data, uint32_t len, bool write,
bool next)
uint32_t qvirtqueue_add(QTestState *qts, QVirtQueue *vq, uint64_t data,
uint32_t len, bool write, bool next)
{
uint16_t flags = 0;
vq->num_free--;
@@ -253,16 +254,17 @@ uint32_t qvirtqueue_add(QVirtQueue *vq, uint64_t data, uint32_t len, bool write,
}
/* vq->desc[vq->free_head].addr */
writeq(vq->desc + (16 * vq->free_head), data);
qtest_writeq(qts, vq->desc + (16 * vq->free_head), data);
/* vq->desc[vq->free_head].len */
writel(vq->desc + (16 * vq->free_head) + 8, len);
qtest_writel(qts, vq->desc + (16 * vq->free_head) + 8, len);
/* vq->desc[vq->free_head].flags */
writew(vq->desc + (16 * vq->free_head) + 12, flags);
qtest_writew(qts, vq->desc + (16 * vq->free_head) + 12, flags);
return vq->free_head++; /* Return and increase, in this order */
}
uint32_t qvirtqueue_add_indirect(QVirtQueue *vq, QVRingIndirectDesc *indirect)
uint32_t qvirtqueue_add_indirect(QTestState *qts, QVirtQueue *vq,
QVRingIndirectDesc *indirect)
{
g_assert(vq->indirect);
g_assert_cmpint(vq->size, >=, indirect->elem);
@@ -271,34 +273,36 @@ uint32_t qvirtqueue_add_indirect(QVirtQueue *vq, QVRingIndirectDesc *indirect)
vq->num_free--;
/* vq->desc[vq->free_head].addr */
writeq(vq->desc + (16 * vq->free_head), indirect->desc);
qtest_writeq(qts, vq->desc + (16 * vq->free_head), indirect->desc);
/* vq->desc[vq->free_head].len */
writel(vq->desc + (16 * vq->free_head) + 8,
qtest_writel(qts, vq->desc + (16 * vq->free_head) + 8,
sizeof(struct vring_desc) * indirect->elem);
/* vq->desc[vq->free_head].flags */
writew(vq->desc + (16 * vq->free_head) + 12, VRING_DESC_F_INDIRECT);
qtest_writew(qts, vq->desc + (16 * vq->free_head) + 12,
VRING_DESC_F_INDIRECT);
return vq->free_head++; /* Return and increase, in this order */
}
void qvirtqueue_kick(QVirtioDevice *d, QVirtQueue *vq, uint32_t free_head)
void qvirtqueue_kick(QTestState *qts, QVirtioDevice *d, QVirtQueue *vq,
uint32_t free_head)
{
/* vq->avail->idx */
uint16_t idx = readw(vq->avail + 2);
uint16_t idx = qtest_readw(qts, vq->avail + 2);
/* vq->used->flags */
uint16_t flags;
/* vq->used->avail_event */
uint16_t avail_event;
/* vq->avail->ring[idx % vq->size] */
writew(vq->avail + 4 + (2 * (idx % vq->size)), free_head);
qtest_writew(qts, vq->avail + 4 + (2 * (idx % vq->size)), free_head);
/* vq->avail->idx */
writew(vq->avail + 2, idx + 1);
qtest_writew(qts, vq->avail + 2, idx + 1);
/* Must read after idx is updated */
flags = readw(vq->avail);
avail_event = readw(vq->used + 4 +
sizeof(struct vring_used_elem) * vq->size);
flags = qtest_readw(qts, vq->avail);
avail_event = qtest_readw(qts, vq->used + 4 +
sizeof(struct vring_used_elem) * vq->size);
/* < 1 because we add elements to avail queue one by one */
if ((flags & VRING_USED_F_NO_NOTIFY) == 0 &&
@@ -317,12 +321,13 @@ void qvirtqueue_kick(QVirtioDevice *d, QVirtQueue *vq, uint32_t free_head)
*
* Returns: true if an element was ready, false otherwise
*/
bool qvirtqueue_get_buf(QVirtQueue *vq, uint32_t *desc_idx, uint32_t *len)
bool qvirtqueue_get_buf(QTestState *qts, QVirtQueue *vq, uint32_t *desc_idx,
uint32_t *len)
{
uint16_t idx;
uint64_t elem_addr;
uint64_t elem_addr, addr;
idx = readw(vq->used + offsetof(struct vring_used, idx));
idx = qtest_readw(qts, vq->used + offsetof(struct vring_used, idx));
if (idx == vq->last_used_idx) {
return false;
}
@@ -333,23 +338,25 @@ bool qvirtqueue_get_buf(QVirtQueue *vq, uint32_t *desc_idx, uint32_t *len)
sizeof(struct vring_used_elem);
if (desc_idx) {
*desc_idx = readl(elem_addr + offsetof(struct vring_used_elem, id));
addr = elem_addr + offsetof(struct vring_used_elem, id);
*desc_idx = qtest_readl(qts, addr);
}
if (len) {
*len = readw(elem_addr + offsetof(struct vring_used_elem, len));
addr = elem_addr + offsetof(struct vring_used_elem, len);
*len = qtest_readw(qts, addr);
}
vq->last_used_idx++;
return true;
}
void qvirtqueue_set_used_event(QVirtQueue *vq, uint16_t idx)
void qvirtqueue_set_used_event(QTestState *qts, QVirtQueue *vq, uint16_t idx)
{
g_assert(vq->event);
/* vq->avail->used_event */
writew(vq->avail + 4 + (2 * vq->size), idx);
qtest_writew(qts, vq->avail + 4 + (2 * vq->size), idx);
}
void qvirtio_start_device(QVirtioDevice *vdev)

28
tests/libqos/virtio.h
View File

@@ -114,11 +114,11 @@ void qvirtio_set_driver_ok(QVirtioDevice *d);
void qvirtio_wait_queue_isr(QVirtioDevice *d,
QVirtQueue *vq, gint64 timeout_us);
uint8_t qvirtio_wait_status_byte_no_isr(QVirtioDevice *d,
uint8_t qvirtio_wait_status_byte_no_isr(QTestState *qts, QVirtioDevice *d,
QVirtQueue *vq,
uint64_t addr,
gint64 timeout_us);
void qvirtio_wait_used_elem(QVirtioDevice *d,
void qvirtio_wait_used_elem(QTestState *qts, QVirtioDevice *d,
QVirtQueue *vq,
uint32_t desc_idx,
uint32_t *len,
@@ -131,17 +131,21 @@ void qvirtqueue_cleanup(const QVirtioBus *bus, QVirtQueue *vq,
void qvring_init(QTestState *qts, const QGuestAllocator *alloc, QVirtQueue *vq,
uint64_t addr);
QVRingIndirectDesc *qvring_indirect_desc_setup(QVirtioDevice *d,
QGuestAllocator *alloc, uint16_t elem);
void qvring_indirect_desc_add(QVRingIndirectDesc *indirect, uint64_t data,
uint32_t len, bool write);
uint32_t qvirtqueue_add(QVirtQueue *vq, uint64_t data, uint32_t len, bool write,
bool next);
uint32_t qvirtqueue_add_indirect(QVirtQueue *vq, QVRingIndirectDesc *indirect);
void qvirtqueue_kick(QVirtioDevice *d, QVirtQueue *vq, uint32_t free_head);
bool qvirtqueue_get_buf(QVirtQueue *vq, uint32_t *desc_idx, uint32_t *len);
QVRingIndirectDesc *qvring_indirect_desc_setup(QTestState *qs, QVirtioDevice *d,
QGuestAllocator *alloc,
uint16_t elem);
void qvring_indirect_desc_add(QTestState *qts, QVRingIndirectDesc *indirect,
uint64_t data, uint32_t len, bool write);
uint32_t qvirtqueue_add(QTestState *qts, QVirtQueue *vq, uint64_t data,
uint32_t len, bool write, bool next);
uint32_t qvirtqueue_add_indirect(QTestState *qts, QVirtQueue *vq,
QVRingIndirectDesc *indirect);
void qvirtqueue_kick(QTestState *qts, QVirtioDevice *d, QVirtQueue *vq,
uint32_t free_head);
bool qvirtqueue_get_buf(QTestState *qts, QVirtQueue *vq, uint32_t *desc_idx,
uint32_t *len);
void qvirtqueue_set_used_event(QVirtQueue *vq, uint16_t idx);
void qvirtqueue_set_used_event(QTestState *qts, QVirtQueue *vq, uint16_t idx);
void qvirtio_start_device(QVirtioDevice *vdev);

16
tests/virtio-9p-test.c
View File

@@ -39,6 +39,7 @@ static void pci_config(void *obj, void *data, QGuestAllocator *t_alloc)
#define P9_MAX_SIZE 4096 /* Max size of a T-message or R-message */
typedef struct {
QTestState *qts;
QVirtio9P *v9p;
uint16_t tag;
uint64_t t_msg;
@@ -52,7 +53,7 @@ typedef struct {
static void v9fs_memwrite(P9Req *req, const void *addr, size_t len)
{
memwrite(req->t_msg + req->t_off, addr, len);
qtest_memwrite(req->qts, req->t_msg + req->t_off, addr, len);
req->t_off += len;
}
@@ -63,7 +64,7 @@ static void v9fs_memskip(P9Req *req, size_t len)
static void v9fs_memread(P9Req *req, void *addr, size_t len)
{
memread(req->r_msg + req->r_off, addr, len);
qtest_memread(req->qts, req->r_msg + req->r_off, addr, len);
req->r_off += len;
}
@@ -158,6 +159,7 @@ static P9Req *v9fs_req_init(QVirtio9P *v9p, uint32_t size, uint8_t id,
g_assert_cmpint(total_size, <=, P9_MAX_SIZE);
req->qts = global_qtest;
req->v9p = v9p;
req->t_size = total_size;
req->t_msg = guest_alloc(alloc, req->t_size);
@@ -171,10 +173,10 @@ static void v9fs_req_send(P9Req *req)
QVirtio9P *v9p = req->v9p;
req->r_msg = guest_alloc(alloc, P9_MAX_SIZE);
req->free_head = qvirtqueue_add(v9p->vq, req->t_msg, req->t_size, false,
true);
qvirtqueue_add(v9p->vq, req->r_msg, P9_MAX_SIZE, true, false);
qvirtqueue_kick(v9p->vdev, v9p->vq, req->free_head);
req->free_head = qvirtqueue_add(req->qts, v9p->vq, req->t_msg, req->t_size,
false, true);
qvirtqueue_add(req->qts, v9p->vq, req->r_msg, P9_MAX_SIZE, true, false);
qvirtqueue_kick(req->qts, v9p->vdev, v9p->vq, req->free_head);
req->t_off = 0;
}
@@ -195,7 +197,7 @@ static void v9fs_req_wait_for_reply(P9Req *req, uint32_t *len)
{
QVirtio9P *v9p = req->v9p;
qvirtio_wait_used_elem(v9p->vdev, v9p->vq, req->free_head, len,
qvirtio_wait_used_elem(req->qts, v9p->vdev, v9p->vq, req->free_head, len,
QVIRTIO_9P_TIMEOUT_US);
}

151
tests/virtio-blk-test.c
View File

@@ -123,6 +123,7 @@ static void test_basic(QVirtioDevice *dev, QGuestAllocator *alloc,
uint32_t free_head;
uint8_t status;
char *data;
QTestState *qts = global_qtest;
capacity = qvirtio_config_readq(dev, 0);
@@ -149,13 +150,14 @@ static void test_basic(QVirtioDevice *dev, QGuestAllocator *alloc,
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);
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
qvirtqueue_add(qts, vq, req_addr + 16, 512, false, true);
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(dev, vq, free_head);
qvirtqueue_kick(qts, dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL, QVIRTIO_BLK_TIMEOUT_US);
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
@@ -171,13 +173,14 @@ static void test_basic(QVirtioDevice *dev, QGuestAllocator *alloc,
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);
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
qvirtqueue_add(qts, vq, req_addr + 16, 512, true, true);
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(dev, vq, free_head);
qvirtqueue_kick(qts, dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL, QVIRTIO_BLK_TIMEOUT_US);
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
@@ -206,13 +209,14 @@ static void test_basic(QVirtioDevice *dev, QGuestAllocator *alloc,
req_addr = virtio_blk_request(alloc, dev, &req, sizeof(dwz_hdr));
free_head = qvirtqueue_add(vq, req_addr, 16, false, true);
qvirtqueue_add(vq, req_addr + 16, sizeof(dwz_hdr), false, true);
qvirtqueue_add(vq, req_addr + 16 + sizeof(dwz_hdr), 1, true, false);
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
qvirtqueue_add(qts, vq, req_addr + 16, sizeof(dwz_hdr), false, true);
qvirtqueue_add(qts, vq, req_addr + 16 + sizeof(dwz_hdr), 1, true,
false);
qvirtqueue_kick(dev, vq, free_head);
qvirtqueue_kick(qts, dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL,
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 16 + sizeof(dwz_hdr));
g_assert_cmpint(status, ==, 0);
@@ -229,13 +233,13 @@ static void test_basic(QVirtioDevice *dev, QGuestAllocator *alloc,
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);
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
qvirtqueue_add(qts, vq, req_addr + 16, 512, true, true);
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(dev, vq, free_head);
qvirtqueue_kick(qts, dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL,
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
@@ -263,13 +267,13 @@ static void test_basic(QVirtioDevice *dev, QGuestAllocator *alloc,
req_addr = virtio_blk_request(alloc, dev, &req, sizeof(dwz_hdr));
free_head = qvirtqueue_add(vq, req_addr, 16, false, true);
qvirtqueue_add(vq, req_addr + 16, sizeof(dwz_hdr), false, true);
qvirtqueue_add(vq, req_addr + 16 + sizeof(dwz_hdr), 1, true, false);
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
qvirtqueue_add(qts, vq, req_addr + 16, sizeof(dwz_hdr), false, true);
qvirtqueue_add(qts, vq, req_addr + 16 + sizeof(dwz_hdr), 1, true, false);
qvirtqueue_kick(dev, vq, free_head);
qvirtqueue_kick(qts, dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL,
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 16 + sizeof(dwz_hdr));
g_assert_cmpint(status, ==, 0);
@@ -290,11 +294,11 @@ static void test_basic(QVirtioDevice *dev, QGuestAllocator *alloc,
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);
free_head = qvirtqueue_add(qts, vq, req_addr, 528, false, true);
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(qts, dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL,
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
@@ -311,12 +315,12 @@ static void test_basic(QVirtioDevice *dev, QGuestAllocator *alloc,
g_free(req.data);
free_head = qvirtqueue_add(vq, req_addr, 16, false, true);
qvirtqueue_add(vq, req_addr + 16, 513, true, false);
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
qvirtqueue_add(qts, vq, req_addr + 16, 513, true, false);
qvirtqueue_kick(dev, vq, free_head);
qvirtqueue_kick(qts, dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL,
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
@@ -353,6 +357,7 @@ static void indirect(void *obj, void *u_data, QGuestAllocator *t_alloc)
uint32_t free_head;
uint8_t status;
char *data;
QTestState *qts = global_qtest;
capacity = qvirtio_config_readq(dev, 0);
g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
@@ -378,13 +383,13 @@ static void indirect(void *obj, void *u_data, QGuestAllocator *t_alloc)
g_free(req.data);
indirect = qvring_indirect_desc_setup(dev, t_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(vq, indirect);
qvirtqueue_kick(dev, vq, free_head);
indirect = qvring_indirect_desc_setup(qts, dev, t_alloc, 2);
qvring_indirect_desc_add(qts, indirect, req_addr, 528, false);
qvring_indirect_desc_add(qts, indirect, req_addr + 528, 1, true);
free_head = qvirtqueue_add_indirect(qts, vq, indirect);
qvirtqueue_kick(qts, dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL,
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
@@ -403,13 +408,13 @@ static void indirect(void *obj, void *u_data, QGuestAllocator *t_alloc)
g_free(req.data);
indirect = qvring_indirect_desc_setup(dev, t_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(vq, indirect);
qvirtqueue_kick(dev, vq, free_head);
indirect = qvring_indirect_desc_setup(qts, dev, t_alloc, 2);
qvring_indirect_desc_add(qts, indirect, req_addr, 16, false);
qvring_indirect_desc_add(qts, indirect, req_addr + 16, 513, true);
free_head = qvirtqueue_add_indirect(qts, vq, indirect);
qvirtqueue_kick(qts, dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL,
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
g_assert_cmpint(status, ==, 0);
@@ -461,6 +466,7 @@ static void msix(void *obj, void *u_data, QGuestAllocator *t_alloc)
char *data;
QOSGraphObject *blk_object = obj;
QPCIDevice *pci_dev = blk_object->get_driver(blk_object, "pci-device");
QTestState *qts = global_qtest;
if (qpci_check_buggy_msi(pci_dev)) {
return;
@@ -504,12 +510,12 @@ static void msix(void *obj, void *u_data, QGuestAllocator *t_alloc)
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);
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
qvirtqueue_add(qts, vq, req_addr + 16, 512, false, true);
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(qts, dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL,
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
@@ -527,14 +533,14 @@ static void msix(void *obj, void *u_data, QGuestAllocator *t_alloc)
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);
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
qvirtqueue_add(qts, vq, req_addr + 16, 512, true, true);
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(dev, vq, free_head);
qvirtqueue_kick(qts, dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL,
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
status = readb(req_addr + 528);
@@ -569,6 +575,7 @@ static void idx(void *obj, void *u_data, QGuestAllocator *t_alloc)
char *data;
QOSGraphObject *blk_object = obj;
QPCIDevice *pci_dev = blk_object->get_driver(blk_object, "pci-device");
QTestState *qts = global_qtest;
if (qpci_check_buggy_msi(pci_dev)) {
return;
@@ -603,12 +610,12 @@ static void idx(void *obj, void *u_data, QGuestAllocator *t_alloc)
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);
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
qvirtqueue_add(qts, vq, req_addr + 16, 512, false, true);
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(qts, dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL,
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
/* Write request */
@@ -623,15 +630,15 @@ static void idx(void *obj, void *u_data, QGuestAllocator *t_alloc)
g_free(req.data);
/* Notify after processing the third request */
qvirtqueue_set_used_event(vq, 2);
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);
qvirtqueue_set_used_event(qts, vq, 2);
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
qvirtqueue_add(qts, vq, req_addr + 16, 512, false, true);
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(qts, dev, vq, free_head);
write_head = free_head;
/* No notification expected */
status = qvirtio_wait_status_byte_no_isr(dev,
status = qvirtio_wait_status_byte_no_isr(qts, dev,
vq, req_addr + 528,
QVIRTIO_BLK_TIMEOUT_US);
g_assert_cmpint(status, ==, 0);
@@ -648,16 +655,16 @@ static void idx(void *obj, void *u_data, QGuestAllocator *t_alloc)
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);
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
qvirtqueue_add(qts, vq, req_addr + 16, 512, true, true);
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
qvirtqueue_kick(dev, vq, free_head);
qvirtqueue_kick(qts, dev, vq, free_head);
/* We get just one notification for both requests */
qvirtio_wait_used_elem(dev, vq, write_head, NULL,
qvirtio_wait_used_elem(qts, dev, vq, write_head, NULL,
QVIRTIO_BLK_TIMEOUT_US);
g_assert(qvirtqueue_get_buf(vq, &desc_idx, NULL));
g_assert(qvirtqueue_get_buf(qts, vq, &desc_idx, NULL));
g_assert_cmpint(desc_idx, ==, free_head);
status = readb(req_addr + 528);

33
tests/virtio-net-test.c
View File

@@ -33,6 +33,7 @@ static void rx_test(QVirtioDevice *dev,
QGuestAllocator *alloc, QVirtQueue *vq,
int socket)
{
QTestState *qts = global_qtest;
uint64_t req_addr;
uint32_t free_head;
char test[] = "TEST";
@@ -51,13 +52,14 @@ static void rx_test(QVirtioDevice *dev,
req_addr = guest_alloc(alloc, 64);
free_head = qvirtqueue_add(vq, req_addr, 64, true, false);
qvirtqueue_kick(dev, vq, free_head);
free_head = qvirtqueue_add(qts, vq, req_addr, 64, true, false);
qvirtqueue_kick(qts, dev, vq, free_head);
ret = iov_send(socket, iov, 2, 0, sizeof(len) + sizeof(test));
g_assert_cmpint(ret, ==, sizeof(test) + sizeof(len));
qvirtio_wait_used_elem(dev, vq, free_head, NULL, QVIRTIO_NET_TIMEOUT_US);
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_NET_TIMEOUT_US);
memread(req_addr + VNET_HDR_SIZE, buffer, sizeof(test));
g_assert_cmpstr(buffer, ==, "TEST");
@@ -68,6 +70,7 @@ static void tx_test(QVirtioDevice *dev,
QGuestAllocator *alloc, QVirtQueue *vq,
int socket)
{
QTestState *qts = global_qtest;
uint64_t req_addr;
uint32_t free_head;
uint32_t len;
@@ -77,10 +80,11 @@ static void tx_test(QVirtioDevice *dev,
req_addr = guest_alloc(alloc, 64);
memwrite(req_addr + VNET_HDR_SIZE, "TEST", 4);
free_head = qvirtqueue_add(vq, req_addr, 64, false, false);
qvirtqueue_kick(dev, vq, free_head);
free_head = qvirtqueue_add(qts, vq, req_addr, 64, false, false);
qvirtqueue_kick(qts, dev, vq, free_head);
qvirtio_wait_used_elem(dev, vq, free_head, NULL, QVIRTIO_NET_TIMEOUT_US);
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_NET_TIMEOUT_US);
guest_free(alloc, req_addr);
ret = qemu_recv(socket, &len, sizeof(len), 0);
@@ -95,6 +99,7 @@ static void rx_stop_cont_test(QVirtioDevice *dev,
QGuestAllocator *alloc, QVirtQueue *vq,
int socket)
{
QTestState *qts = global_qtest;
uint64_t req_addr;
uint32_t free_head;
char test[] = "TEST";
@@ -114,8 +119,8 @@ static void rx_stop_cont_test(QVirtioDevice *dev,
req_addr = guest_alloc(alloc, 64);
free_head = qvirtqueue_add(vq, req_addr, 64, true, false);
qvirtqueue_kick(dev, vq, free_head);
free_head = qvirtqueue_add(qts, vq, req_addr, 64, true, false);
qvirtqueue_kick(qts, dev, vq, free_head);
rsp = qmp("{ 'execute' : 'stop'}");
qobject_unref(rsp);
@@ -131,7 +136,8 @@ static void rx_stop_cont_test(QVirtioDevice *dev,
rsp = qmp("{ 'execute' : 'cont'}");
qobject_unref(rsp);
qvirtio_wait_used_elem(dev, vq, free_head, NULL, QVIRTIO_NET_TIMEOUT_US);
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
QVIRTIO_NET_TIMEOUT_US);
memread(req_addr + VNET_HDR_SIZE, buffer, sizeof(test));
g_assert_cmpstr(buffer, ==, "TEST");
@@ -283,19 +289,20 @@ static void large_tx(void *obj, void *data, QGuestAllocator *t_alloc)
uint64_t req_addr;
uint32_t free_head;
size_t alloc_size = (size_t)data / 64;
QTestState *qts = global_qtest;
int i;
/* Bypass the limitation by pointing several descriptors to a single
* smaller area */
req_addr = guest_alloc(t_alloc, alloc_size);
free_head = qvirtqueue_add(vq, req_addr, alloc_size, false, true);
free_head = qvirtqueue_add(qts, vq, req_addr, alloc_size, false, true);
for (i = 0; i < 64; i++) {
qvirtqueue_add(vq, req_addr, alloc_size, false, i != 63);
qvirtqueue_add(qts, vq, req_addr, alloc_size, false, i != 63);
}
qvirtqueue_kick(dev->vdev, vq, free_head);
qvirtqueue_kick(qts, dev->vdev, vq, free_head);
qvirtio_wait_used_elem(dev->vdev, vq, free_head, NULL,
qvirtio_wait_used_elem(qts, dev->vdev, vq, free_head, NULL,
QVIRTIO_NET_TIMEOUT_US);
guest_free(t_alloc, req_addr);
}

13
tests/virtio-scsi-test.c
View File

@@ -72,6 +72,7 @@ static uint8_t virtio_scsi_do_command(QVirtioSCSIQueues *vs,
uint64_t req_addr, resp_addr, data_in_addr = 0, data_out_addr = 0;
uint8_t response;
uint32_t free_head;
QTestState *qts = global_qtest;
vq = vs->vq[2];
@@ -83,24 +84,24 @@ static uint8_t virtio_scsi_do_command(QVirtioSCSIQueues *vs,
/* Add request header */
req_addr = qvirtio_scsi_alloc(vs, sizeof(req), &req);
free_head = qvirtqueue_add(vq, req_addr, sizeof(req), false, true);
free_head = qvirtqueue_add(qts, vq, req_addr, sizeof(req), false, true);
if (data_out_len) {
data_out_addr = qvirtio_scsi_alloc(vs, data_out_len, data_out);
qvirtqueue_add(vq, data_out_addr, data_out_len, false, true);
qvirtqueue_add(qts, vq, data_out_addr, data_out_len, false, true);
}
/* Add response header */
resp_addr = qvirtio_scsi_alloc(vs, sizeof(resp), &resp);
qvirtqueue_add(vq, resp_addr, sizeof(resp), true, !!data_in_len);
qvirtqueue_add(qts, vq, resp_addr, sizeof(resp), true, !!data_in_len);
if (data_in_len) {
data_in_addr = qvirtio_scsi_alloc(vs, data_in_len, data_in);
qvirtqueue_add(vq, data_in_addr, data_in_len, true, false);
qvirtqueue_add(qts, vq, data_in_addr, data_in_len, true, false);
}
qvirtqueue_kick(vs->dev, vq, free_head);
qvirtio_wait_used_elem(vs->dev, vq, free_head, NULL,
qvirtqueue_kick(qts, vs->dev, vq, free_head);
qvirtio_wait_used_elem(qts, vs->dev, vq, free_head, NULL,
QVIRTIO_SCSI_TIMEOUT_US);
response = readb(resp_addr +