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Re: [PATCH v5 1/6] virtio: introduce new type in interrupt process
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From: |
Cindy Lu |
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Subject: |
Re: [PATCH v5 1/6] virtio: introduce new type in interrupt process |
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Date: |
Mon, 12 Apr 2021 16:09:46 +0800 |
On Fri, Apr 9, 2021 at 2:57 PM Jason Wang <jasowang@redhat.com> wrote:
>
>
> 在 2021/4/8 下午5:38, Cindy Lu 写道:
> > To support config interrupt we need to add
> > a new type of interrupt process. So we introduce
> > the vector type
> > enum virtio_vector_type {
> > 聽 聽 聽 聽 VIRTIO_VQ_VECTOR,
> > 聽 聽 聽 聽 VIRTIO_CONFIG_VECTOR,
> > 聽 聽 聽 聽 VIRTIO_VECTOR_UNKNOWN,
> > 聽 聽 };
> > 聽 聽
>
>
> I see some tranditiaonl chinese characters here.
>
> Plaese correctly congirue your locale.
>
sure will fix this
> So consider we use int for queue_index, can we simply use -1 as a hint
> for the config interrupt then there's no need for this extra enum?
>
that's a good idea, I will rewrite this part
>
> > Now the bus which support configure interrupt is
> > virtio-mmio and vritio-pci. For other drivers, the function will
> > only check if the interrupt type is the VIRTIO_CONFIG_VQ. If not
> > the function will fail.
> >
> > Signed-off-by: Cindy Lu <lulu@redhat.com>
> > ---
> > hw/display/vhost-user-gpu.c | 14 +++++---
> > hw/net/virtio-net.c | 15 +++++---
> > hw/s390x/virtio-ccw.c | 6 ++--
> > hw/virtio/vhost-user-fs.c | 12 ++++---
> > hw/virtio/vhost-vsock-common.c | 12 ++++---
> > hw/virtio/virtio-crypto.c | 13 ++++---
> > hw/virtio/virtio-mmio.c | 2 +-
> > hw/virtio/virtio-pci.c | 66 ++++++++++++++++++++--------------
> > include/hw/virtio/virtio.h | 9 +++--
> > 9 files changed, 95 insertions(+), 54 deletions(-)
> >
> > diff --git a/hw/display/vhost-user-gpu.c b/hw/display/vhost-user-gpu.c
> > index 51f1747c4a..959ad115b6 100644
> > --- a/hw/display/vhost-user-gpu.c
> > +++ b/hw/display/vhost-user-gpu.c
> > @@ -487,18 +487,24 @@ vhost_user_gpu_set_status(VirtIODevice *vdev, uint8_t
> > val)
> > }
> >
> > static bool
> > -vhost_user_gpu_guest_notifier_pending(VirtIODevice *vdev, int idx)
> > +vhost_user_gpu_guest_notifier_pending(VirtIODevice *vdev, int idx,
> > + int type)
> > {
> > VhostUserGPU *g = VHOST_USER_GPU(vdev);
> > -
> > + if (type != VIRTIO_VQ_VECTOR) {
> > + return false;
> > + }
> > return vhost_virtqueue_pending(&g->vhost->dev, idx);
> > }
> >
> > static void
> > -vhost_user_gpu_guest_notifier_mask(VirtIODevice *vdev, int idx, bool mask)
> > +vhost_user_gpu_guest_notifier_mask(VirtIODevice *vdev, int idx, bool mask,
> > + int type)
> > {
> > VhostUserGPU *g = VHOST_USER_GPU(vdev);
> > -
> > + if (type != VIRTIO_VQ_VECTOR) {
> > + return;
> > + }
> > vhost_virtqueue_mask(&g->vhost->dev, vdev, idx, mask);
> > }
> >
> > diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
> > index 9179013ac4..00d95e6615 100644
> > --- a/hw/net/virtio-net.c
> > +++ b/hw/net/virtio-net.c
> > @@ -3055,22 +3055,27 @@ static NetClientInfo net_virtio_info = {
> > .announce = virtio_net_announce,
> > };
> >
> > -static bool virtio_net_guest_notifier_pending(VirtIODevice *vdev, int idx)
> > +static bool virtio_net_guest_notifier_pending(VirtIODevice *vdev, int idx,
> > + int type)
> > {
> > VirtIONet *n = VIRTIO_NET(vdev);
> > NetClientState *nc = qemu_get_subqueue(n->nic, vq2q(idx));
> > assert(n->vhost_started);
> > - return vhost_net_virtqueue_pending(get_vhost_net(nc->peer), idx);
> > + if (type == VIRTIO_VQ_VECTOR) {
> > + return vhost_net_virtqueue_pending(get_vhost_net(nc->peer), idx);
> > + }
> > + return false;
> > }
> >
> > static void virtio_net_guest_notifier_mask(VirtIODevice *vdev, int idx,
> > - bool mask)
> > + bool mask, int type)
> > {
> > VirtIONet *n = VIRTIO_NET(vdev);
> > NetClientState *nc = qemu_get_subqueue(n->nic, vq2q(idx));
> > assert(n->vhost_started);
> > - vhost_net_virtqueue_mask(get_vhost_net(nc->peer),
> > - vdev, idx, mask);
> > + if (type == VIRTIO_VQ_VECTOR) {
> > + vhost_net_virtqueue_mask(get_vhost_net(nc->peer), vdev, idx, mask);
> > + }
> > }
> >
> > static void virtio_net_set_config_size(VirtIONet *n, uint64_t
> > host_features)
> > diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
> > index 4582e94ae7..234f749548 100644
> > --- a/hw/s390x/virtio-ccw.c
> > +++ b/hw/s390x/virtio-ccw.c
> > @@ -1003,16 +1003,16 @@ static int
> > virtio_ccw_set_guest_notifier(VirtioCcwDevice *dev, int n,
> > * need to manually trigger any guest masking callbacks here.
> > */
> > if (k->guest_notifier_mask && vdev->use_guest_notifier_mask) {
> > - k->guest_notifier_mask(vdev, n, false);
> > + k->guest_notifier_mask(vdev, n, false, VIRTIO_VQ_VECTOR);
> > }
> > /* get lost events and re-inject */
> > if (k->guest_notifier_pending &&
> > - k->guest_notifier_pending(vdev, n)) {
> > + k->guest_notifier_pending(vdev, n, VIRTIO_VQ_VECTOR)) {
> > event_notifier_set(notifier);
> > }
> > } else {
> > if (k->guest_notifier_mask && vdev->use_guest_notifier_mask) {
> > - k->guest_notifier_mask(vdev, n, true);
> > + k->guest_notifier_mask(vdev, n, true, VIRTIO_VQ_VECTOR);
> > }
> > if (with_irqfd) {
> > virtio_ccw_remove_irqfd(dev, n);
> > diff --git a/hw/virtio/vhost-user-fs.c b/hw/virtio/vhost-user-fs.c
> > index 1bc5d03a00..22358767f1 100644
> > --- a/hw/virtio/vhost-user-fs.c
> > +++ b/hw/virtio/vhost-user-fs.c
> > @@ -143,17 +143,21 @@ static void vuf_handle_output(VirtIODevice *vdev,
> > VirtQueue *vq)
> > }
> >
> > static void vuf_guest_notifier_mask(VirtIODevice *vdev, int idx,
> > - bool mask)
> > + bool mask, int type)
> > {
> > VHostUserFS *fs = VHOST_USER_FS(vdev);
> > -
> > + if (type != VIRTIO_VQ_VECTOR) {
> > + return;
> > + }
> > vhost_virtqueue_mask(&fs->vhost_dev, vdev, idx, mask);
> > }
> >
> > -static bool vuf_guest_notifier_pending(VirtIODevice *vdev, int idx)
> > +static bool vuf_guest_notifier_pending(VirtIODevice *vdev, int idx, int
> > type)
> > {
> > VHostUserFS *fs = VHOST_USER_FS(vdev);
> > -
> > + if (type != VIRTIO_VQ_VECTOR) {
> > + return false;
> > + }
> > return vhost_virtqueue_pending(&fs->vhost_dev, idx);
> > }
> >
> > diff --git a/hw/virtio/vhost-vsock-common.c b/hw/virtio/vhost-vsock-common.c
> > index 5b2ebf3496..92c133c54c 100644
> > --- a/hw/virtio/vhost-vsock-common.c
> > +++ b/hw/virtio/vhost-vsock-common.c
> > @@ -97,18 +97,22 @@ static void
> > vhost_vsock_common_handle_output(VirtIODevice *vdev, VirtQueue *vq)
> > }
> >
> > static void vhost_vsock_common_guest_notifier_mask(VirtIODevice *vdev,
> > int idx,
> > - bool mask)
> > + bool mask, int type)
> > {
> > VHostVSockCommon *vvc = VHOST_VSOCK_COMMON(vdev);
> > -
> > + if (type != VIRTIO_VQ_VECTOR) {
> > + return;
> > + }
> > vhost_virtqueue_mask(&vvc->vhost_dev, vdev, idx, mask);
> > }
> >
> > static bool vhost_vsock_common_guest_notifier_pending(VirtIODevice *vdev,
> > - int idx)
> > + int idx, int type)
> > {
> > VHostVSockCommon *vvc = VHOST_VSOCK_COMMON(vdev);
> > -
> > + if (type != VIRTIO_VQ_VECTOR) {
> > + return false;
> > + }
> > return vhost_virtqueue_pending(&vvc->vhost_dev, idx);
> > }
> >
> > diff --git a/hw/virtio/virtio-crypto.c b/hw/virtio/virtio-crypto.c
> > index 54f9bbb789..ab7958465c 100644
> > --- a/hw/virtio/virtio-crypto.c
> > +++ b/hw/virtio/virtio-crypto.c
> > @@ -941,23 +941,28 @@ static void virtio_crypto_set_status(VirtIODevice
> > *vdev, uint8_t status)
> > }
> >
> > static void virtio_crypto_guest_notifier_mask(VirtIODevice *vdev, int idx,
> > - bool mask)
> > + bool mask, int type)
> > {
> > VirtIOCrypto *vcrypto = VIRTIO_CRYPTO(vdev);
> > int queue = virtio_crypto_vq2q(idx);
> >
> > assert(vcrypto->vhost_started);
> > -
> > + if (type != VIRTIO_VQ_VECTOR) {
> > + return;
> > + }
> > cryptodev_vhost_virtqueue_mask(vdev, queue, idx, mask);
> > }
> >
> > -static bool virtio_crypto_guest_notifier_pending(VirtIODevice *vdev, int
> > idx)
> > +static bool virtio_crypto_guest_notifier_pending(VirtIODevice *vdev, int
> > idx,
> > + int type)
> > {
> > VirtIOCrypto *vcrypto = VIRTIO_CRYPTO(vdev);
> > int queue = virtio_crypto_vq2q(idx);
> >
> > assert(vcrypto->vhost_started);
> > -
> > + if (type != VIRTIO_VQ_VECTOR) {
> > + return false;
> > + }
> > return cryptodev_vhost_virtqueue_pending(vdev, queue, idx);
> > }
> >
> > diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c
> > index e1b5c3b81e..1aa1aaeca4 100644
> > --- a/hw/virtio/virtio-mmio.c
> > +++ b/hw/virtio/virtio-mmio.c
> > @@ -627,7 +627,7 @@ static int virtio_mmio_set_guest_notifier(DeviceState
> > *d, int n, bool assign,
> > }
> >
> > if (vdc->guest_notifier_mask && vdev->use_guest_notifier_mask) {
> > - vdc->guest_notifier_mask(vdev, n, !assign);
> > + vdc->guest_notifier_mask(vdev, n, !assign, VIRTIO_VQ_VECTOR);
> > }
> >
> > return 0;
> > diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
> > index 36524a5728..481f6e7505 100644
> > --- a/hw/virtio/virtio-pci.c
> > +++ b/hw/virtio/virtio-pci.c
> > @@ -691,23 +691,17 @@ static void
> > kvm_virtio_pci_vq_vector_release(VirtIOPCIProxy *proxy,
> > }
> >
> > static int kvm_virtio_pci_irqfd_use(VirtIOPCIProxy *proxy,
> > - unsigned int queue_no,
> > + EventNotifier *n,
> > unsigned int vector)
>
>
> All the changes of switching to use EventNotifier should be done as a
> separate patch.
>
> Thanks
>
sure will fix this
>
> > {
> > VirtIOIRQFD *irqfd = &proxy->vector_irqfd[vector];
> > - VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
> > - VirtQueue *vq = virtio_get_queue(vdev, queue_no);
> > - EventNotifier *n = virtio_queue_get_guest_notifier(vq);
> > return kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, n, NULL,
> > irqfd->virq);
> > }
> >
> > static void kvm_virtio_pci_irqfd_release(VirtIOPCIProxy *proxy,
> > - unsigned int queue_no,
> > + EventNotifier *n ,
> > unsigned int vector)
> > {
> > - VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
> > - VirtQueue *vq = virtio_get_queue(vdev, queue_no);
> > - EventNotifier *n = virtio_queue_get_guest_notifier(vq);
> > VirtIOIRQFD *irqfd = &proxy->vector_irqfd[vector];
> > int ret;
> >
> > @@ -722,7 +716,8 @@ static int kvm_virtio_pci_vector_use(VirtIOPCIProxy
> > *proxy, int nvqs)
> > VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
> > unsigned int vector;
> > int ret, queue_no;
> > -
> > + VirtQueue *vq;
> > + EventNotifier *n;
> > for (queue_no = 0; queue_no < nvqs; queue_no++) {
> > if (!virtio_queue_get_num(vdev, queue_no)) {
> > break;
> > @@ -739,7 +734,9 @@ static int kvm_virtio_pci_vector_use(VirtIOPCIProxy
> > *proxy, int nvqs)
> > * Otherwise, delay until unmasked in the frontend.
> > */
> > if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) {
> > - ret = kvm_virtio_pci_irqfd_use(proxy, queue_no, vector);
> > + vq = virtio_get_queue(vdev, queue_no);
> > + n = virtio_queue_get_guest_notifier(vq);
> > + ret = kvm_virtio_pci_irqfd_use(proxy, n, vector);
> > if (ret < 0) {
> > kvm_virtio_pci_vq_vector_release(proxy, vector);
> > goto undo;
> > @@ -755,7 +752,9 @@ undo:
> > continue;
> > }
> > if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) {
> > - kvm_virtio_pci_irqfd_release(proxy, queue_no, vector);
> > + vq = virtio_get_queue(vdev, queue_no);
> > + n = virtio_queue_get_guest_notifier(vq);
> > + kvm_virtio_pci_irqfd_release(proxy, n, vector);
> > }
> > kvm_virtio_pci_vq_vector_release(proxy, vector);
> > }
> > @@ -769,7 +768,8 @@ static void
> > kvm_virtio_pci_vector_release(VirtIOPCIProxy *proxy, int nvqs)
> > unsigned int vector;
> > int queue_no;
> > VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
> > -
> > + VirtQueue *vq;
> > + EventNotifier *n;
> > for (queue_no = 0; queue_no < nvqs; queue_no++) {
> > if (!virtio_queue_get_num(vdev, queue_no)) {
> > break;
> > @@ -782,7 +782,9 @@ static void
> > kvm_virtio_pci_vector_release(VirtIOPCIProxy *proxy, int nvqs)
> > * Otherwise, it was cleaned when masked in the frontend.
> > */
> > if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) {
> > - kvm_virtio_pci_irqfd_release(proxy, queue_no, vector);
> > + vq = virtio_get_queue(vdev, queue_no);
> > + n = virtio_queue_get_guest_notifier(vq);
> > + kvm_virtio_pci_irqfd_release(proxy, n, vector);
> > }
> > kvm_virtio_pci_vq_vector_release(proxy, vector);
> > }
> > @@ -791,12 +793,12 @@ static void
> > kvm_virtio_pci_vector_release(VirtIOPCIProxy *proxy, int nvqs)
> > static int virtio_pci_vq_vector_unmask(VirtIOPCIProxy *proxy,
> > unsigned int queue_no,
> > unsigned int vector,
> > - MSIMessage msg)
> > + MSIMessage msg,
> > + int type,
> > + EventNotifier *n)
> > {
> > VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
> > VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
> > - VirtQueue *vq = virtio_get_queue(vdev, queue_no);
> > - EventNotifier *n = virtio_queue_get_guest_notifier(vq);
> > VirtIOIRQFD *irqfd;
> > int ret = 0;
> >
> > @@ -816,21 +818,23 @@ static int virtio_pci_vq_vector_unmask(VirtIOPCIProxy
> > *proxy,
> > * Otherwise, set it up now.
> > */
> > if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) {
> > - k->guest_notifier_mask(vdev, queue_no, false);
> > + k->guest_notifier_mask(vdev, queue_no, false, type);
> > /* Test after unmasking to avoid losing events. */
> > if (k->guest_notifier_pending &&
> > - k->guest_notifier_pending(vdev, queue_no)) {
> > + k->guest_notifier_pending(vdev, queue_no, type)) {
> > event_notifier_set(n);
> > }
> > } else {
> > - ret = kvm_virtio_pci_irqfd_use(proxy, queue_no, vector);
> > + ret = kvm_virtio_pci_irqfd_use(proxy, n, vector);
> > }
> > return ret;
> > }
> >
> > static void virtio_pci_vq_vector_mask(VirtIOPCIProxy *proxy,
> > unsigned int queue_no,
> > - unsigned int vector)
> > + unsigned int vector,
> > + int type,
> > + EventNotifier *n)
> > {
> > VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
> > VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
> > @@ -839,9 +843,9 @@ static void virtio_pci_vq_vector_mask(VirtIOPCIProxy
> > *proxy,
> > * Otherwise, clean it up now.
> > */
> > if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) {
> > - k->guest_notifier_mask(vdev, queue_no, true);
> > + k->guest_notifier_mask(vdev, queue_no, true, type);
> > } else {
> > - kvm_virtio_pci_irqfd_release(proxy, queue_no, vector);
> > + kvm_virtio_pci_irqfd_release(proxy, n, vector);
> > }
> > }
> >
> > @@ -851,6 +855,7 @@ static int virtio_pci_vector_unmask(PCIDevice *dev,
> > unsigned vector,
> > VirtIOPCIProxy *proxy = container_of(dev, VirtIOPCIProxy, pci_dev);
> > VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
> > VirtQueue *vq = virtio_vector_first_queue(vdev, vector);
> > + EventNotifier *n;
> > int ret, index, unmasked = 0;
> >
> > while (vq) {
> > @@ -859,7 +864,9 @@ static int virtio_pci_vector_unmask(PCIDevice *dev,
> > unsigned vector,
> > break;
> > }
> > if (index < proxy->nvqs_with_notifiers) {
> > - ret = virtio_pci_vq_vector_unmask(proxy, index, vector, msg);
> > + n = virtio_queue_get_guest_notifier(vq);
> > + ret = virtio_pci_vq_vector_unmask(proxy, index, vector, msg,
> > + VIRTIO_VQ_VECTOR, n);
> > if (ret < 0) {
> > goto undo;
> > }
> > @@ -875,7 +882,9 @@ undo:
> > while (vq && unmasked >= 0) {
> > index = virtio_get_queue_index(vq);
> > if (index < proxy->nvqs_with_notifiers) {
> > - virtio_pci_vq_vector_mask(proxy, index, vector);
> > + n = virtio_queue_get_guest_notifier(vq);
> > + virtio_pci_vq_vector_mask(proxy, index, vector,
> > + VIRTIO_VQ_VECTOR, n);
> > --unmasked;
> > }
> > vq = virtio_vector_next_queue(vq);
> > @@ -888,15 +897,18 @@ static void virtio_pci_vector_mask(PCIDevice *dev,
> > unsigned vector)
> > VirtIOPCIProxy *proxy = container_of(dev, VirtIOPCIProxy, pci_dev);
> > VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
> > VirtQueue *vq = virtio_vector_first_queue(vdev, vector);
> > + EventNotifier *n;
> > int index;
> >
> > while (vq) {
> > index = virtio_get_queue_index(vq);
> > + n = virtio_queue_get_guest_notifier(vq);
> > if (!virtio_queue_get_num(vdev, index)) {
> > break;
> > }
> > if (index < proxy->nvqs_with_notifiers) {
> > - virtio_pci_vq_vector_mask(proxy, index, vector);
> > + virtio_pci_vq_vector_mask(proxy, index, vector,
> > + VIRTIO_VQ_VECTOR, n);
> > }
> > vq = virtio_vector_next_queue(vq);
> > }
> > @@ -926,7 +938,7 @@ static void virtio_pci_vector_poll(PCIDevice *dev,
> > vq = virtio_get_queue(vdev, queue_no);
> > notifier = virtio_queue_get_guest_notifier(vq);
> > if (k->guest_notifier_pending) {
> > - if (k->guest_notifier_pending(vdev, queue_no)) {
> > + if (k->guest_notifier_pending(vdev, queue_no,
> > VIRTIO_VQ_VECTOR)) {
> > msix_set_pending(dev, vector);
> > }
> > } else if (event_notifier_test_and_clear(notifier)) {
> > @@ -958,7 +970,7 @@ static int virtio_pci_set_guest_notifier(DeviceState
> > *d, int n, bool assign,
> > if (!msix_enabled(&proxy->pci_dev) &&
> > vdev->use_guest_notifier_mask &&
> > vdc->guest_notifier_mask) {
> > - vdc->guest_notifier_mask(vdev, n, !assign);
> > + vdc->guest_notifier_mask(vdev, n, !assign, VIRTIO_VQ_VECTOR);
> > }
> >
> > return 0;
> > diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
> > index b7ece7a6a8..5a1940fe70 100644
> > --- a/include/hw/virtio/virtio.h
> > +++ b/include/hw/virtio/virtio.h
> > @@ -67,6 +67,11 @@ typedef struct VirtQueueElement
> >
> > #define VIRTIO_NO_VECTOR 0xffff
> >
> > +enum virtio_vector_type {
> > + VIRTIO_VQ_VECTOR,
> > + VIRTIO_CONFIG_VECTOR,
> > + VIRTIO_VECTOR_UNKNOWN,
> > +};
> > #define TYPE_VIRTIO_DEVICE "virtio-device"
> > OBJECT_DECLARE_TYPE(VirtIODevice, VirtioDeviceClass, VIRTIO_DEVICE)
> >
> > @@ -138,13 +143,13 @@ struct VirtioDeviceClass {
> > * If backend does not support masking,
> > * must check in frontend instead.
> > */
> > - bool (*guest_notifier_pending)(VirtIODevice *vdev, int n);
> > + bool (*guest_notifier_pending)(VirtIODevice *vdev, int n, int type);
> > /* Mask/unmask events from this vq. Any events reported
> > * while masked will become pending.
> > * If backend does not support masking,
> > * must mask in frontend instead.
> > */
> > - void (*guest_notifier_mask)(VirtIODevice *vdev, int n, bool mask);
> > + void (*guest_notifier_mask)(VirtIODevice *vdev, int n, bool mask, int
> > type);
> > int (*start_ioeventfd)(VirtIODevice *vdev);
> > void (*stop_ioeventfd)(VirtIODevice *vdev);
> > /* Saving and loading of a device; trying to deprecate save/load
>
- [PATCH v5 0/6] vhost-vdpa: add support for configure interrupt, Cindy Lu, 2021/04/08
- [PATCH v5 1/6] virtio: introduce new type in interrupt process, Cindy Lu, 2021/04/08
- [PATCH v5 2/6] vhost: add new call back function for config interrupt, Cindy Lu, 2021/04/08
- [PATCH v5 4/6] vhost-vdpa: add support for configure interrupt, Cindy Lu, 2021/04/08
- [PATCH v5 3/6] virtio:add support in configure interrupt, Cindy Lu, 2021/04/08
- [PATCH v5 5/6] virtio-mmio: add support for configure interrupt, Cindy Lu, 2021/04/08