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04ca0b0b16
linux/drivers/virtio
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Xuan Zhuo 04ca0b0b16 virtio_pci: support VIRTIO_F_RING_RESET 
This patch implements virtio pci support for QUEUE RESET.

Performing reset on a queue is divided into these steps:

 1. notify the device to reset the queue
 2. recycle the buffer submitted
 3. reset the vring (may re-alloc)
 4. mmap vring to device, and enable the queue

This patch implements virtio_reset_vq(), virtio_enable_resetq() in the
pci scenario.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220801063902.129329-33-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-08-11 04:06:40 -04:00
..
Kconfig drivers/virtio: Clarify CONFIG_VIRTIO_MEM for unsupported architectures 2022-08-11 04:06:38 -04:00
Makefile virtio-pci: introduce legacy device module 2021-11-01 04:30:34 -04:00
virtio_balloon.c virtio: Replace unsigned with unsigned int 2022-05-31 12:45:09 -04:00
virtio_dma_buf.c dma-buf: move dma-buf symbols into the DMA_BUF module namespace 2021-10-25 14:53:08 +02:00
virtio_input.c virtio: wrap config->reset calls 2022-01-14 18:50:52 -05:00
virtio_mem.c drivers: virtio_mem: use pageblock size as the minimum virtio_mem size. 2022-05-13 07:20:13 -07:00
virtio_mmio.c virtio: record the maximum queue num supported by the device. 2022-08-11 04:06:38 -04:00
virtio_pci_common.c virtio_pci: support VIRTIO_F_RING_RESET 2022-08-11 04:06:40 -04:00
virtio_pci_common.h virtio: Replace unsigned with unsigned int 2022-05-31 12:45:09 -04:00
virtio_pci_legacy_dev.c virtio/virtio_pci_legacy_dev: ensure the correct return value 2022-01-14 18:50:53 -05:00
virtio_pci_legacy.c virtio: record the maximum queue num supported by the device. 2022-08-11 04:06:38 -04:00
virtio_pci_modern_dev.c virtio_pci: introduce helper to get/set queue reset 2022-08-11 04:06:40 -04:00
virtio_pci_modern.c virtio_pci: support VIRTIO_F_RING_RESET 2022-08-11 04:06:40 -04:00
virtio_ring.c virtio_ring: struct virtqueue introduce reset 2022-08-11 04:06:40 -04:00
virtio_vdpa.c virtio: record the maximum queue num supported by the device. 2022-08-11 04:06:38 -04:00
virtio.c virtio: disable notification hardening by default 2022-06-24 02:49:48 -04:00