From: Eric Auger Date: Thu, 29 Oct 2020 09:33:01 +0000 (+0100) Subject: block/nvme: Change size and alignment of queue X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2387aaced7209872238eaf594997009cffd5501d;p=qemu.git block/nvme: Change size and alignment of queue 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 Reviewed-by: Stefan Hajnoczi Tested-by: Eric Auger Signed-off-by: Philippe Mathieu-Daudé Message-id: 20201029093306.1063879-21-philmd@redhat.com Signed-off-by: Stefan Hajnoczi Tested-by: Eric Auger --- 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;