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block/nvme: Change size and alignment of queue

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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@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20201029093306.1063879-21-philmd@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
This commit is contained in:
Eric Auger 2020-10-29 10:33:01 +01:00 committed by Stefan Hajnoczi
parent 0aecd06049
commit 2387aaced7
1 changed files with 2 additions and 2 deletions
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block/nvme.c
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@ -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;