On Tue, Dec 11, 2018 at 10:47:04AM +0000, Paul Durrant wrote: > This patch adds a new source module, xen-bus-helper.c, which builds on > basic libxenstore primitives to provide functions to create (setting > permissions appropriately) and destroy xenstore areas, and functions to > 'printf' and 'scanf' nodes therein. The main xen-bus code then uses > these primitives [1] to initialize and destroy the frontend and backend > areas for a XenDevice during realize and unrealize respectively. > > The 'xen-block' implementation is extended with a 'get_name' method that > returns the VBD number. This number is required to 'name' the xenstore > areas. > > NOTE: An exit handler is also added to make sure the xenstore areas are > cleaned up if QEMU terminates without devices being unrealized. > > [1] The 'scanf' functions are actually not yet needed, but they will be > needed by code delivered in subsequent patches. > > Signed-off-by: Paul Durrant <paul.durr...@citrix.com> > --- > > v3: > - Add transaction id parameters to xen-bus-helper functions > - Not added Anthony's R-b because of change >
Reviewed-by: Anthony PERARD <anthony.per...@citrix.com> -- Anthony PERARD
