docs: Describe zero data clusters in QED specification
Zero data clusters are a space-efficient way of storing zeroed regionsof the image.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Add qcow2 documentation
This adds a description of the qcow2 file format to the docs/ directory.Besides documenting what's there, which is never wrong, the document shouldprovide a good basis for the discussion of format extensions (called "qcow3" in previous discussions)...
document QEMU<->ACPIBIOS PCI hotplug interface
Document how QEMU communicates with ACPI BIOS for PCI hotplug.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
docs: Fix missing carets in QED specification
For some reason the carets ('^') in the QED specification disappeared.This patch puts them back.
docs: Add QED image format specification
Device specification for shared memory PCI device
Signed-off-by: Cam Macdonell <cam@cs.ualberta.ca>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>