65 lines
2.0 KiB
Diff
65 lines
2.0 KiB
Diff
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From 38c0538c8d847a2e39a9bae19f5b204abcf46b3b Mon Sep 17 00:00:00 2001
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From: Yanan Wang <wangyanan55@huawei.com>
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Date: Mon, 17 Jun 2024 20:42:22 +0800
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Subject: [PATCH] hw/virtio/virtio-pci:Support shadow device for
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virtio-net/blk/scsi devices
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Currently we only support shadow device for "virtio-net", now let's
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extend this feature to support "virtio-blk" and "virtio-scsi" devices.
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Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
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---
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hw/virtio/virtio-pci.c | 15 ++++++++++++---
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1 file changed, 12 insertions(+), 3 deletions(-)
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diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
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index 389a8db0ec..d675526016 100644
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--- a/hw/virtio/virtio-pci.c
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+++ b/hw/virtio/virtio-pci.c
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@@ -886,6 +886,15 @@ int __attribute__((weak)) kvm_delete_shadow_device(PCIDevice *dev)
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}
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#endif
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+#ifdef __aarch64__
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+static bool shadow_device_supported(VirtIODevice *vdev)
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+{
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+ return !strcmp(vdev->name, "virtio-net") ||
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+ !strcmp(vdev->name, "virtio-blk") ||
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+ !strcmp(vdev->name, "virtio-scsi");
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+}
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+#endif
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+
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static int kvm_virtio_pci_vector_vq_use(VirtIOPCIProxy *proxy, int nvqs)
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{
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int queue_no;
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@@ -893,7 +902,7 @@ static int kvm_virtio_pci_vector_vq_use(VirtIOPCIProxy *proxy, int nvqs)
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VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
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#ifdef __aarch64__
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- if (!strcmp(vdev->name, "virtio-net")) {
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+ if (shadow_device_supported(vdev)) {
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kvm_create_shadow_device(&proxy->pci_dev);
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}
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#endif
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@@ -906,7 +915,7 @@ static int kvm_virtio_pci_vector_vq_use(VirtIOPCIProxy *proxy, int nvqs)
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}
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#ifdef __aarch64__
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- if (!strcmp(vdev->name, "virtio-net") && ret != 0) {
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+ if (shadow_device_supported(vdev) && ret != 0) {
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kvm_delete_shadow_device(&proxy->pci_dev);
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}
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#endif
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@@ -955,7 +964,7 @@ static void kvm_virtio_pci_vector_vq_release(VirtIOPCIProxy *proxy, int nvqs)
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}
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#ifdef __aarch64__
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- if (!strcmp(vdev->name, "virtio-net")) {
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+ if (shadow_device_supported(vdev)) {
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kvm_delete_shadow_device(&proxy->pci_dev);
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}
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#endif
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--
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2.41.0.windows.1
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