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| author | Michael S. Tsirkin <mst@redhat.com> | 2010-03-17 13:08:02 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2010-04-01 13:56:43 -0500 |
| commit | 1a189ed9a174df2d8aa6542acda44e88b1fd1a3d (patch) | |
| tree | b89555396c3e133b455c839451f8951ba015db60 /hw/virtio.h | |
| parent | ad798459d18aee402e436e1939ab0b79b0e48806 (diff) | |
| download | qemu-1a189ed9a174df2d8aa6542acda44e88b1fd1a3d.tar.gz qemu-1a189ed9a174df2d8aa6542acda44e88b1fd1a3d.tar.bz2 qemu-1a189ed9a174df2d8aa6542acda44e88b1fd1a3d.zip | |
virtio: notifier support + APIs for queue fields
vhost needs physical addresses for ring and other queue fields,
so add APIs for these. In particular, add binding API to set
host/guest notifiers. Will be used by vhost.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/virtio.h')
| -rw-r--r-- | hw/virtio.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/hw/virtio.h b/hw/virtio.h index 3baa2a34da..d0155e2761 100644 --- a/hw/virtio.h +++ b/hw/virtio.h @@ -19,6 +19,7 @@ #include "qdev.h" #include "sysemu.h" #include "block_int.h" +#include "event_notifier.h" /* from Linux's linux/virtio_config.h */ @@ -89,6 +90,8 @@ typedef struct { int (*load_config)(void * opaque, QEMUFile *f); int (*load_queue)(void * opaque, int n, QEMUFile *f); unsigned (*get_features)(void * opaque); + int (*set_guest_notifier)(void * opaque, int n, bool assigned); + int (*set_host_notifier)(void * opaque, int n, bool assigned); } VirtIOBindings; #define VIRTIO_PCI_QUEUE_MAX 64 @@ -181,5 +184,18 @@ void virtio_net_exit(VirtIODevice *vdev); DEFINE_PROP_BIT("indirect_desc", _state, _field, \ VIRTIO_RING_F_INDIRECT_DESC, true) - +target_phys_addr_t virtio_queue_get_desc_addr(VirtIODevice *vdev, int n); +target_phys_addr_t virtio_queue_get_avail_addr(VirtIODevice *vdev, int n); +target_phys_addr_t virtio_queue_get_used_addr(VirtIODevice *vdev, int n); +target_phys_addr_t virtio_queue_get_ring_addr(VirtIODevice *vdev, int n); +target_phys_addr_t virtio_queue_get_desc_size(VirtIODevice *vdev, int n); +target_phys_addr_t virtio_queue_get_avail_size(VirtIODevice *vdev, int n); +target_phys_addr_t virtio_queue_get_used_size(VirtIODevice *vdev, int n); +target_phys_addr_t virtio_queue_get_ring_size(VirtIODevice *vdev, int n); +uint16_t virtio_queue_get_last_avail_idx(VirtIODevice *vdev, int n); +void virtio_queue_set_last_avail_idx(VirtIODevice *vdev, int n, uint16_t idx); +VirtQueue *virtio_get_queue(VirtIODevice *vdev, int n); +EventNotifier *virtio_queue_get_guest_notifier(VirtQueue *vq); +EventNotifier *virtio_queue_get_host_notifier(VirtQueue *vq); +void virtio_irq(VirtQueue *vq); #endif |