60 lines
2.6 KiB
Diff
60 lines
2.6 KiB
Diff
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From cc9df379f703274eb600dd6af7dbacae4d457d5f Mon Sep 17 00:00:00 2001
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From: fangyi <eric.fangyi@huawei.com>
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Date: Thu, 16 Nov 2023 09:54:51 +0800
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Subject: [PATCH] vhost-vdpa: add support for config interrupt
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Add new call back function in vhost-vdpa, this function will
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set the event fd to kernel. This function will be called
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in the vhost_dev_start and vhost_dev_stop
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Signed-off-by: Cindy Lu <lulu@redhat.com>
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Message-Id: <20211104164827.21911-6-lulu@redhat.com>
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Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: fangyi <eric.fangyi@huawei.com>
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---
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hw/virtio/trace-events | 1 +
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hw/virtio/vhost-vdpa.c | 7 +++++++
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2 files changed, 8 insertions(+)
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diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events
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index 650e521e35..39c36ff7a6 100644
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--- a/hw/virtio/trace-events
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+++ b/hw/virtio/trace-events
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@@ -53,6 +53,7 @@ vhost_vdpa_get_features(void *dev, uint64_t features) "dev: %p features: 0x%"PRI
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vhost_vdpa_set_owner(void *dev) "dev: %p"
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vhost_vdpa_vq_get_addr(void *dev, void *vq, uint64_t desc_user_addr, uint64_t avail_user_addr, uint64_t used_user_addr) "dev: %p vq: %p desc_user_addr: 0x%"PRIx64" avail_user_addr: 0x%"PRIx64" used_user_addr: 0x%"PRIx64
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vhost_vdpa_get_iova_range(void *dev, uint64_t first, uint64_t last) "dev: %p first: 0x%"PRIx64" last: 0x%"PRIx64
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+vhost_vdpa_set_config_call(void *dev, int fd)"dev: %p fd: %d"
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# virtio.c
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virtqueue_alloc_element(void *elem, size_t sz, unsigned in_num, unsigned out_num) "elem %p size %zd in_num %u out_num %u"
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diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
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index 287025ef93..b7bbd65cdd 100644
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--- a/hw/virtio/vhost-vdpa.c
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+++ b/hw/virtio/vhost-vdpa.c
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@@ -728,6 +728,12 @@ static int vhost_vdpa_set_vring_call(struct vhost_dev *dev,
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trace_vhost_vdpa_set_vring_call(dev, file->index, file->fd);
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return vhost_vdpa_call(dev, VHOST_SET_VRING_CALL, file);
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}
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+static int vhost_vdpa_set_config_call(struct vhost_dev *dev,
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+ int fd)
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+{
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+ trace_vhost_vdpa_set_config_call(dev, fd);
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+ return vhost_vdpa_call(dev, VHOST_VDPA_SET_CONFIG_CALL, &fd);
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+}
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static int vhost_vdpa_get_features(struct vhost_dev *dev,
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uint64_t *features)
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@@ -808,6 +814,7 @@ const VhostOps vdpa_ops = {
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.vhost_get_device_id = vhost_vdpa_get_device_id,
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.vhost_vq_get_addr = vhost_vdpa_vq_get_addr,
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.vhost_force_iommu = vhost_vdpa_force_iommu,
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+ .vhost_set_config_call = vhost_vdpa_set_config_call,
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.vhost_set_used_memslots = vhost_vdpa_set_used_memslots,
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.vhost_get_used_memslots = vhost_vdpa_get_used_memslots,
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};
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--
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2.27.0
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