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[PATCH 3/6] virtio-blk-pci: implement device event interface for kick/ca
From: |
Dongli Zhang |
Subject: |
[PATCH 3/6] virtio-blk-pci: implement device event interface for kick/call |
Date: |
Thu, 25 Mar 2021 22:44:30 -0700 |
This is to implement the device event interface for virtio-blk-pci.
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
---
hw/block/virtio-blk.c | 9 +++++++++
hw/virtio/virtio-blk-pci.c | 10 ++++++++++
include/hw/virtio/virtio-blk.h | 2 ++
3 files changed, 21 insertions(+)
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index d28979efb8..2b3583a913 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -1118,6 +1118,15 @@ static int virtio_blk_load_device(VirtIODevice *vdev,
QEMUFile *f,
return 0;
}
+void virtio_blk_device_event(DeviceState *dev, int event, int queue,
+ Error **errp)
+{
+ VirtIOBlock *s = VIRTIO_BLK(dev);
+ bool irqfd = s->dataplane_started && !s->dataplane_disabled;
+
+ virtio_device_event(dev, event, queue, irqfd, errp);
+}
+
static void virtio_resize_cb(void *opaque)
{
VirtIODevice *vdev = opaque;
diff --git a/hw/virtio/virtio-blk-pci.c b/hw/virtio/virtio-blk-pci.c
index 9d5795810c..f1fc72e7f1 100644
--- a/hw/virtio/virtio-blk-pci.c
+++ b/hw/virtio/virtio-blk-pci.c
@@ -47,6 +47,15 @@ static Property virtio_blk_pci_properties[] = {
DEFINE_PROP_END_OF_LIST(),
};
+static void virtio_blk_pci_event(DeviceState *dev, int event, int queue,
+ Error **errp)
+{
+ VirtIOBlkPCI *vblk = VIRTIO_BLK_PCI(dev);
+ DeviceState *vdev = DEVICE(&vblk->vdev);
+
+ virtio_blk_device_event(vdev, event, queue, errp);
+}
+
static void virtio_blk_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
{
VirtIOBlkPCI *dev = VIRTIO_BLK_PCI(vpci_dev);
@@ -72,6 +81,7 @@ static void virtio_blk_pci_class_init(ObjectClass *klass,
void *data)
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
device_class_set_props(dc, virtio_blk_pci_properties);
+ dc->event = virtio_blk_pci_event;
k->realize = virtio_blk_pci_realize;
pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_BLOCK;
diff --git a/include/hw/virtio/virtio-blk.h b/include/hw/virtio/virtio-blk.h
index 29655a406d..500be01dff 100644
--- a/include/hw/virtio/virtio-blk.h
+++ b/include/hw/virtio/virtio-blk.h
@@ -92,5 +92,7 @@ typedef struct MultiReqBuffer {
bool virtio_blk_handle_vq(VirtIOBlock *s, VirtQueue *vq);
void virtio_blk_process_queued_requests(VirtIOBlock *s, bool is_bh);
+void virtio_blk_device_event(DeviceState *dev, int event, int queue,
+ Error **errp);
#endif
--
2.17.1
- [PATCH 0/6] Add debug interface to kick/call on purpose, Dongli Zhang, 2021/03/26
- [PATCH 6/6] virtio-net-pci: implement device event interface for kick/call, Dongli Zhang, 2021/03/26
- [PATCH 2/6] virtio: introduce helper function for kick/call device event, Dongli Zhang, 2021/03/26
- [PATCH 4/6] virtio-scsi-pci: implement device event interface for kick/call, Dongli Zhang, 2021/03/26
- [PATCH 3/6] virtio-blk-pci: implement device event interface for kick/call,
Dongli Zhang <=
- [PATCH 1/6] qdev: introduce qapi/hmp command for kick/call event, Dongli Zhang, 2021/03/26
- [PATCH 5/6] vhost-scsi-pci: implement device event interface for kick/call, Dongli Zhang, 2021/03/26
- Re: [PATCH 0/6] Add debug interface to kick/call on purpose, Jason Wang, 2021/03/26