From: Eric Auger <eric.auger@xxxxxxxxxx>
In preparation of 64kB host page support, let's change the size
and alignment of the queue so that the VFIO DMA MAP succeeds.
We align on the host page size.
Signed-off-by: Eric Auger <eric.auger@xxxxxxxxxx>
Reviewed-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
Tested-by: Eric Auger <eric.auger@xxxxxxxxxx>
Signed-off-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>
Message-id: 20201029093306.1063879-21-philmd@xxxxxxxxxx
Signed-off-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
Tested-by: Eric Auger <eric.auger@xxxxxxxxxx>
---
block/nvme.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/block/nvme.c b/block/nvme.c
index 7628623c05..4a8589d2d2 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -167,9 +167,9 @@ static bool nvme_init_queue(BDRVNVMeState *s, NVMeQueue *q,
size_t bytes;
int r;
- bytes = ROUND_UP(nentries * entry_bytes, s->page_size);
+ bytes = ROUND_UP(nentries * entry_bytes, qemu_real_host_page_size);
q->head = q->tail = 0;
- q->queue = qemu_try_memalign(s->page_size, bytes);
+ q->queue = qemu_try_memalign(qemu_real_host_page_size, bytes);
if (!q->queue) {
error_setg(errp, "Cannot allocate queue");
return false;
--
2.28.0
