[PATCH v4 0/5] Support add/remove memory region & get-max-slots

[Pravin M Bathija]

This is version v4 of the patchset and it incorporates the
recommendations made by Feng Cheng Wen.
The patchset includes support for adding and removal of memory
regions, getting max memory slots and other changes to vhost-user
messages.  These messages are sent from vhost-user front-end (qemu
or libblkio) to a vhost-user back-end (dpdk, spdk). Support functions
for these message functions have been implemented in the interest of
writing optimized code. Older functions, part of vhost-user back-end
have also been optimized using these newly defined support functions.
This implementation has been extensively tested by doing Read/Write
I/O from multiple instances of fio + libblkio (front-end) talking to
spdk/dpdk (back-end) based drives.  Also tested with qemu front-end
talking to dpdk + testpmd (back-end) performing add/removal of memory
regions. The last patch also includes increasing the number of memory
regions from 8 to 128. This has been also extensively tested using the
above test approaches.

Pravin M Bathija (5):
  vhost: add user to mailmap and define to vhost hdr
  vhost_user: header defines for add/rem mem region
  vhost_user: support function defines for back-end
  vhost_user: Function defs for add/rem mem regions
  vhost_user: Increase number of memory regions

 .mailmap               |   1 +
 lib/vhost/rte_vhost.h  |   4 +
 lib/vhost/vhost_user.c | 399 ++++++++++++++++++++++++++++++++++++-----
 lib/vhost/vhost_user.h |  12 +-
 4 files changed, 373 insertions(+), 43 deletions(-)

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2.43.0