qdev: add parser for chardev properties
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
convert msmouse chardev to QemuOpts.
convert braille chardev to QemuOpts.
VirtIO: Fix QEMU crash during Windows PNP tests
Hello,
In some cases bus driver can deassert "bus master" bit in PCI commandregister. The driver will no longer be able to update related registers inthe device. Eventually it will cause QEMU to exit in "virtqueue_num_heads"...
qdev: Fix i6300 upcast
Use DO_UPCAST() instead of container_of() to go from PCIDevice toI6300State. This ensures that PCIDevice is the first member of structI6300State.
Signed-off-by: Markus Armbruster <armbru@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
qemu: make virtio-blk PCI compliant by default
commit bf011293faaa7f87e4de83185931e7411b794128 made virtio-blk-pci notPCI-compliant, since it makes region 0 (which is an i/o region)size > 256, and, since PCI 2.1, i/o regions are limited to 256 bytes size....
qemu: init all queues to NO_VECTOR value
initialize vectors for all vqs to VIRTIO_NO_VECTOR rather than 0 whichis a valid vector. This fixes migration which happened before driverwas loaded.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>Reported-by: Amit Shah <amit.shah@redhat.com>...
block: add enable_write_cache flag
Add a enable_write_cache flag in the block driver state, and use it todecide if we claim to have a volatile write cache that needs controlledflushing from the guest. The flag is off if cache=writethrough isdefined because O_DSYNC guarantees that every write goes to stable...
ide: use bdrv_aio_flush
Signed-off-by: Christoph Hellwig <hch@lst.de>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
virtio-blk: add volatile writecache feature
Add a new VIRTIO_BLK_F_WCACHE feature to virtio-blk to indicate that we havea volatile write cache that needs controlled flushing. Implement aVIRTIO_BLK_T_FLUSH operation to flush it.
Signed-off-by: Christoph Hellwig <hch@lst.de>...
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