[PATCH v2 0/5] vduse: Add support for reconnection

[Cindy Lu <lulu@redhat.com>]

Here is the reconnect support in vduse,

kernel will allocted pages for reconnection
userspace need use ioctl VDUSE_GET_RECONNECT_INFO to
get the mmap related information and then mapping these pages
to userspace.
kernel and userspace will use these pages to sync
the reconnect information
kernel will use VDUSE_VQ_GET_INFO to sync the information      
userspace App  will call during the "user_app_dev_start()".

change in V2  
1. Address the comments from v1
2. Add the document for reconnect process

Cindy Lu (5):
  vduse: Add function to get/free the pages for reconnection
  vduse: Add file operation for mmap
  vduse: Add new ioctl VDUSE_GET_RECONNECT_INFO
  vduse: update the vq_info in ioctl
  Documentation: Add reconnect process for VDUSE

 Documentation/userspace-api/vduse.rst |  29 ++++
 drivers/vdpa/vdpa_user/vduse_dev.c    | 198 +++++++++++++++++++++++++-
 include/uapi/linux/vduse.h            |  50 +++++++
 3 files changed, 276 insertions(+), 1 deletion(-)

-- 
2.34.3