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hw/9pfs: Proxy getversion
Add proxy getversion to get generation number
Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
hw/9pfs: xattr interfaces in proxy filesystem driver
Add xattr support for proxy FS
hw/9pfs: File ownership and others
Add file ownership interfaces like chmod/chown, utime update, rename,remove and truncating files for proxy FS
hw/9pfs: Add stat/readlink/statfs for proxy FS
hw/9pfs: Create other filesystem objects
Add interfaces to create filesystem objects like directory,device nodes, symbolic links, links for proxy filesytem driver
hw/9pfs: Open and create files
Add interfaces to open and create files for proxy file system driver.
hw/9pfs: File system helper process for qemu 9p proxy FS
Provide root privilege access to QEMU 9p proxy filesystem using socketcommunication.
Proxy helper is started by root user as:~ # virtfs-proxy-helper -f|--fd <socket descriptor> -p|--path <path-to-share>...
hw/9pfs: Add new proxy filesystem driver
Add new proxy filesystem driver to add root privilege to qemu process.It needs a helper process to be started by root user.
Following command line can be used to utilize proxy filesystem driver-virtfs proxy,id=<id>,mount_tag=<tag>,socket_fd=<socket-fd>...