[PATCH v4 00/24] qemu patches for 64-bit NBD extensions

[Eric Blake <eblake@redhat.com>]

v3 was here:
https://lists.gnu.org/archive/html/qemu-devel/2023-05/msg03607.html

Since then, I've incorporated lots of feedback from Vladimir:
 - split several patches into smaller pieces
 - use an enum to track various negotiation modes
 - reorder a few patches
 - several new patches (2, 5, 6)
 - other cleanups

001/24:[----] [--] 'nbd/client: Use smarter assert'
002/24:[down] 'nbd: Consistent typedef usage in header'
003/24:[0137] [FC] 'nbd/server: Prepare for alternate-size headers'
004/24:[0093] [FC] 'nbd/server: Refactor to pass full request around'
005/24:[down] 'nbd: s/handle/cookie/ to match NBD spec'
006/24:[down] 'nbd/client: Simplify cookie vs. index computation'
007/24:[----] [-C] 'nbd/client: Add safety check on chunk payload length'
008/24:[down] 'nbd: Use enum for various negotiation modes'
009/24:[down] 'nbd: Replace bool structured_reply with mode enum'
010/24:[down] 'nbd/client: Pass mode through to nbd_send_request'
011/24:[0096] [FC] 'nbd: Add types for extended headers'
012/24:[0118] [FC] 'nbd: Prepare for 64-bit request effect lengths'
013/24:[0071] [FC] 'nbd/server: Refactor handling of request payload'
014/24:[down] 'nbd/server: Prepare to receive extended header requests'
015/24:[down] 'nbd/server: Prepare to send extended header replies'
016/24:[0132] [FC] 'nbd/server: Support 64-bit block status'
017/24:[down] 'nbd/server: Enable initial support for extended headers'
018/24:[down] 'nbd/client: Plumb errp through nbd_receive_replies'
019/24:[0066] [FC] 'nbd/client: Initial support for extended headers'
020/24:[0032] [FC] 'nbd/client: Accept 64-bit block status chunks'
021/24:[0058] [FC] 'nbd/client: Request extended headers during negotiation'
022/24:[down] 'nbd/server: Refactor list of negotiated meta contexts'
023/24:[0132] [FC] 'nbd/server: Prepare for per-request filtering of BLOCK_STATUS'
024/24:[0109] [FC] 'nbd/server: Add FLAG_PAYLOAD support to CMD_BLOCK_STATUS'

Eric Blake (24):
  nbd/client: Use smarter assert
  nbd: Consistent typedef usage in header
  nbd/server: Prepare for alternate-size headers
  nbd/server: Refactor to pass full request around
  nbd: s/handle/cookie/ to match NBD spec
  nbd/client: Simplify cookie vs. index computation
  nbd/client: Add safety check on chunk payload length
  nbd: Use enum for various negotiation modes
  nbd: Replace bool structured_reply with mode enum
  nbd/client: Pass mode through to nbd_send_request
  nbd: Add types for extended headers
  nbd: Prepare for 64-bit request effect lengths
  nbd/server: Refactor handling of request payload
  nbd/server: Prepare to receive extended header requests
  nbd/server: Prepare to send extended header replies
  nbd/server: Support 64-bit block status
  nbd/server: Enable initial support for extended headers
  nbd/client: Plumb errp through nbd_receive_replies
  nbd/client: Initial support for extended headers
  nbd/client: Accept 64-bit block status chunks
  nbd/client: Request extended headers during negotiation
  nbd/server: Refactor list of negotiated meta contexts
  nbd/server: Prepare for per-request filtering of BLOCK_STATUS
  nbd/server: Add FLAG_PAYLOAD support to CMD_BLOCK_STATUS

 docs/interop/nbd.txt                          |   1 +
 include/block/nbd.h                           | 201 ++++--
 nbd/nbd-internal.h                            |   8 +-
 block/nbd.c                                   | 189 +++--
 nbd/client-connection.c                       |   4 +-
 nbd/client.c                                  | 199 ++++--
 nbd/common.c                                  |  29 +-
 nbd/server.c                                  | 666 ++++++++++++------
 qemu-nbd.c                                    |   8 +-
 block/trace-events                            |   1 +
 nbd/trace-events                              |  29 +-
 tests/qemu-iotests/223.out                    |  18 +-
 tests/qemu-iotests/233.out                    |   4 +
 tests/qemu-iotests/241.out                    |   3 +
 tests/qemu-iotests/307.out                    |  15 +-
 .../tests/nbd-qemu-allocation.out             |   3 +-
 16 files changed, 937 insertions(+), 441 deletions(-)


base-commit: 4f65e89f8cf0e079b4ec3ddfede314bbb4e35c76
-- 
2.40.1