This RFC adds support for MSI for platform devices.
a) MSI(s) is/are added in addition to the normal interrupts.
b) The vendor specific MSI configuration can be done using
   callbacks which is implemented as msi module.
c) Adds a msi handling module for the Broadcom platform devices.

Vikas Gupta (3):
  vfio/platform: add support for msi
  vfio/platform: change cleanup order
  vfio/platform: add Broadcom msi module

 drivers/vfio/platform/Kconfig                 |   1 +
 drivers/vfio/platform/Makefile                |   1 +
 drivers/vfio/platform/msi/Kconfig             |   9 +
 drivers/vfio/platform/msi/Makefile            |   2 +
 .../vfio/platform/msi/vfio_platform_bcmplt.c  |  74 ++++++
 drivers/vfio/platform/vfio_platform_common.c  |  86 ++++++-
 drivers/vfio/platform/vfio_platform_irq.c     | 235 +++++++++++++++++-
 drivers/vfio/platform/vfio_platform_private.h |  23 ++
 include/uapi/linux/vfio.h                     |   1 +
 9 files changed, 417 insertions(+), 15 deletions(-)
 create mode 100644 drivers/vfio/platform/msi/Kconfig
 create mode 100644 drivers/vfio/platform/msi/Makefile
 create mode 100644 drivers/vfio/platform/msi/vfio_platform_bcmplt.c

-- 
2.17.1