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bh=VNPuxVO9rJzoSEMdXhnDc51fdnLWxanvWU6sjXozZto=; b=RDYgIAeprQN+PzSkyEM+Lv0UOfW+WEmkA9Kc71RCUbY710NswfigwRbaEe3iUL6TQMvtDd COuOdB6jGDcWy+af93GTbFclHb7lHRDuLNK/QzG/N8dJMUalxZUjrHPgnrWZeIAaAJRj52 ls+Aq1yhNYhxdiUcJZr5/wkHWBELaq8= X-MC-Unique: 7wiEJ1vkNBqCitoIo_g8oA-1 From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, stefanha@redhat.com, fam@euphon.net, philmd@redhat.com, alex.williamson@redhat.com Subject: [RFC 3/5] block/nvme: Change size and alignment of queue Date: Thu, 15 Oct 2020 13:52:50 +0200 Message-Id: <20201015115252.15582-4-eric.auger@redhat.com> In-Reply-To: <20201015115252.15582-1-eric.auger@redhat.com> References: <20201015115252.15582-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eric.auger@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" 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 --- block/nvme.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) 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; =20 - bytes =3D ROUND_UP(nentries * entry_bytes, s->page_size); + bytes =3D ROUND_UP(nentries * entry_bytes, qemu_real_host_page_size); q->head =3D q->tail =3D 0; - q->queue =3D qemu_try_memalign(s->page_size, bytes); + q->queue =3D qemu_try_memalign(qemu_real_host_page_size, bytes); if (!q->queue) { error_setg(errp, "Cannot allocate queue"); return; --=20 2.21.3