From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Dr. David Alan Gilbert (git)" Subject: [PATCH 3/4] virtio_pci: Defined shared memory capability Date: Thu, 25 Jul 2019 18:50:43 +0100 Message-ID: <20190725175044.29303-4-dgilbert@redhat.com> References: <20190725175044.29303-1-dgilbert@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190725175044.29303-1-dgilbert@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: virtualization@lists.linux-foundation.org, mst@redhat.com, jasowang@redhat.com Cc: sebastien.boeuf@intel.com, vgoyal@redhat.com, stefanha@redhat.com List-Id: virtualization@lists.linuxfoundation.org From: "Dr. David Alan Gilbert" Define the PCI capability used for enumerating shared memory regions. Each capability contains a 'struct virtio_pci_cap64' Multiple capabilities of this type may exist for a device and may be distinguished using the 'cap.id' field. Defined in virtio spec commit 855ad7af2bd64 ("shared memory: Define PCI capability") Signed-off-by: Dr. David Alan Gilbert --- include/uapi/linux/virtio_pci.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h index 11e508719dfd..401a5d6851f1 100644 --- a/include/uapi/linux/virtio_pci.h +++ b/include/uapi/linux/virtio_pci.h @@ -113,6 +113,8 @@ #define VIRTIO_PCI_CAP_DEVICE_CFG 4 /* PCI configuration access */ #define VIRTIO_PCI_CAP_PCI_CFG 5 +/* Additional shared memory capability */ +#define VIRTIO_PCI_CAP_SHARED_MEMORY_CFG 8 /* This is the PCI capability header: */ struct virtio_pci_cap { -- 2.21.0