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| author | Cindy Lu <lulu@redhat.com> | 2022-12-22 15:04:42 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-01-08 01:54:22 -0500 |
| commit | 544f0278afcab2bebab61b14e4c2c58e65911f5b (patch) | |
| tree | ba1f9052a42d1e1d0f714d8dd56598dabdcd5938 /hw/virtio/vhost-user-gpio.c | |
| parent | c9bdc449f97422e62dc802fd2cbe11b840195595 (diff) | |
| download | focaccia-qemu-544f0278afcab2bebab61b14e4c2c58e65911f5b.tar.gz focaccia-qemu-544f0278afcab2bebab61b14e4c2c58e65911f5b.zip | |
virtio: introduce macro VIRTIO_CONFIG_IRQ_IDX
To support configure interrupt for vhost-vdpa Introduce VIRTIO_CONFIG_IRQ_IDX -1 as configure interrupt's queue index, Then we can reuse the functions guest_notifier_mask and guest_notifier_pending. Add the check of queue index in these drivers, if the driver does not support configure interrupt, the function will just return Signed-off-by: Cindy Lu <lulu@redhat.com> Message-Id: <20221222070451.936503-2-lulu@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio/vhost-user-gpio.c')
| -rw-r--r-- | hw/virtio/vhost-user-gpio.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/hw/virtio/vhost-user-gpio.c b/hw/virtio/vhost-user-gpio.c index b7b82a1099..fe3da32c74 100644 --- a/hw/virtio/vhost-user-gpio.c +++ b/hw/virtio/vhost-user-gpio.c @@ -191,6 +191,16 @@ static void vu_gpio_guest_notifier_mask(VirtIODevice *vdev, int idx, bool mask) { VHostUserGPIO *gpio = VHOST_USER_GPIO(vdev); + /* + * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 + * as the Marco of configure interrupt's IDX, If this driver does not + * support, the function will return + */ + + if (idx == VIRTIO_CONFIG_IRQ_IDX) { + return; + } + vhost_virtqueue_mask(&gpio->vhost_dev, vdev, idx, mask); } |