diff mbox series

[RFC,3/5] block/nvme: Change size and alignment of queue

Message ID 20201015115252.15582-4-eric.auger@redhat.com
State New
Headers show
Series NVMe passthrough: Support 64kB page host | expand

Commit Message

Eric Auger Oct. 15, 2020, 11:52 a.m. UTC 
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>
---
 block/nvme.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/block/nvme.c b/block/nvme.c
index 088ff1825a..cf8ec200af 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -164,9 +164,9 @@  static void 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;