[Qemu-devel] [PATCH 0/4] command line fd passing using fd sets

[Corey Bryant <coreyb@linux.vnet.ibm.com>]

This series adds command line file descriptor passing support
to the -drive option.  This is a follow-on to the existing
QMP fd passing support provided in the following patch series:
comments.gmane.org/gmane.comp.emulators.qemu/165463

An example of using the new -drive fd and opaque options:
qemu-kvm -drive fd=24,opaque="rdwr:/path/file",index=0,media=disk

When an fd, and optionally opaque, are passed with -drive, they
are added to an automatically generated fd set.  The file name
is also generated in the form of "/dev/fdset/nnn", where nnn is
the fd set ID.  qemu_open() already knows how to handle a
filename of this format.  qemu_open() searches the corresponding
fd set for an fd and when it finds a match, QEMU goes on to use a
dup of that fd just like it would have used an fd that it opened
itself.

Corey Bryant (4):
  monitor: Less restrictive fd matching for fd sets
  monitor: Enable adding an inherited fd to an fd set
  qemu-config: Add -drive fd and opaque options
  blockdev: Process -drive fd and opaque options

 blockdev.c      |  40 +++++++++++++++++-
 monitor.c       | 128 ++++++++++++++++++++++++++++++++------------------------
 monitor.h       |   3 ++
 qemu-config.c   |   8 ++++
 qemu-options.hx |  15 ++++++-
 5 files changed, 135 insertions(+), 59 deletions(-)

-- 
1.7.11.4