diff options
| author | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2023-05-04 12:12:42 -0700 |
|---|---|---|
| committer | Marc-André Lureau <marcandre.lureau@redhat.com> | 2023-10-16 11:29:56 +0400 |
| commit | 605a16a7621c139f7e112538d7773bb60108cef7 (patch) | |
| tree | 6d1b8d2625e45628acba11115b9bd8b34f34aa97 /include/hw/virtio | |
| parent | 63011373ad22c794a013da69663c03f1297a5c56 (diff) | |
virtio: Add shared memory capability
Define a new capability type 'VIRTIO_PCI_CAP_SHARED_MEMORY_CFG' to allow
defining shared memory regions with sizes and offsets of 2^32 and more.
Multiple instances of the capability are allowed and distinguished
by a device-specific 'id'.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Antonio Caggiano <antonio.caggiano@collabora.com>
Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Alyssa Ross <hi@alyssa.is>
Tested-by: Huang Rui <ray.huang@amd.com>
Tested-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Diffstat (limited to 'include/hw/virtio')
| -rw-r--r-- | include/hw/virtio/virtio-pci.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio-pci.h b/include/hw/virtio/virtio-pci.h index ab2051b64b..5a3f182f99 100644 --- a/include/hw/virtio/virtio-pci.h +++ b/include/hw/virtio/virtio-pci.h @@ -264,4 +264,8 @@ unsigned virtio_pci_optimal_num_queues(unsigned fixed_queues); void virtio_pci_set_guest_notifier_fd_handler(VirtIODevice *vdev, VirtQueue *vq, int n, bool assign, bool with_irqfd); + +int virtio_pci_add_shm_cap(VirtIOPCIProxy *proxy, uint8_t bar, uint64_t offset, + uint64_t length, uint8_t id); + #endif |