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[Qemu-devel] [PULL 8/9] tests/virtio-blk: change assert on data_size in
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PULL 8/9] tests/virtio-blk: change assert on data_size in virtio_blk_request() |
Date: |
Mon, 11 Feb 2019 13:50:39 +0800 |
From: Stefano Garzarella <address@hidden>
The size of data in the virtio_blk_request must be a multiple
of 512 bytes for IN and OUT requests, or a multiple of the size
of struct virtio_blk_discard_write_zeroes for DISCARD and
WRITE_ZEROES requests.
Reviewed-by: Michael S. Tsirkin <address@hidden>
Reviewed-by: Stefan Hajnoczi <address@hidden>
Reviewed-by: Thomas Huth <address@hidden>
Signed-off-by: Stefano Garzarella <address@hidden>
Acked-by: Pankaj Gupta <address@hidden>
Message-id: address@hidden
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
tests/virtio-blk-test.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/tests/virtio-blk-test.c b/tests/virtio-blk-test.c
index 04c608764b..0739498da7 100644
--- a/tests/virtio-blk-test.c
+++ b/tests/virtio-blk-test.c
@@ -144,7 +144,20 @@ static uint64_t virtio_blk_request(QGuestAllocator *alloc,
QVirtioDevice *d,
uint64_t addr;
uint8_t status = 0xFF;
- g_assert_cmpuint(data_size % 512, ==, 0);
+ switch (req->type) {
+ case VIRTIO_BLK_T_IN:
+ case VIRTIO_BLK_T_OUT:
+ g_assert_cmpuint(data_size % 512, ==, 0);
+ break;
+ case VIRTIO_BLK_T_DISCARD:
+ case VIRTIO_BLK_T_WRITE_ZEROES:
+ g_assert_cmpuint(data_size %
+ sizeof(struct virtio_blk_discard_write_zeroes), ==,
0);
+ break;
+ default:
+ g_assert_cmpuint(data_size, ==, 0);
+ }
+
addr = guest_alloc(alloc, sizeof(*req) + data_size);
virtio_blk_fix_request(d, req);
--
2.20.1
- [Qemu-devel] [PULL 0/9] Block patches, Stefan Hajnoczi, 2019/02/11
- [Qemu-devel] [PULL 2/9] qemugdb/coroutine: fix arch_prctl has unknown return type, Stefan Hajnoczi, 2019/02/11
- [Qemu-devel] [PULL 4/9] virtio-blk: add acct_failed param to virtio_blk_handle_rw_error(), Stefan Hajnoczi, 2019/02/11
- [Qemu-devel] [PULL 3/9] virtio-blk: cleanup using VirtIOBlock *s and VirtIODevice *vdev, Stefan Hajnoczi, 2019/02/11
- [Qemu-devel] [PULL 5/9] virtio-blk: add host_features field in VirtIOBlock, Stefan Hajnoczi, 2019/02/11
- [Qemu-devel] [PULL 7/9] virtio-blk: add DISCARD and WRITE_ZEROES features, Stefan Hajnoczi, 2019/02/11
- [Qemu-devel] [PULL 6/9] virtio-blk: add "discard" and "write-zeroes" properties, Stefan Hajnoczi, 2019/02/11
- [Qemu-devel] [PULL 8/9] tests/virtio-blk: change assert on data_size in virtio_blk_request(),
Stefan Hajnoczi <=
- [Qemu-devel] [PULL 9/9] tests/virtio-blk: add test for WRITE_ZEROES command, Stefan Hajnoczi, 2019/02/11
- [Qemu-devel] [PULL 1/9] iothread: fix iothread hang when stop too soon, Stefan Hajnoczi, 2019/02/11
- Re: [Qemu-devel] [PULL 0/9] Block patches, Peter Maydell, 2019/02/11