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[PATCH v4 00/14] block/nvme: Various cleanups required to use multiple q

From: Philippe Mathieu-Daudé
Subject: [PATCH v4 00/14] block/nvme: Various cleanups required to use multiple queues
Date: Wed, 12 Aug 2020 20:50:00 +0200


This series is mostly code rearrangement (cleanups) to be
able to split the hardware code from the block driver code,
to be able to use multiple queues on the same hardware, or
multiple block drivers on the same hardware.

All this series is reviewed.

Since v3:
- added stefanha tags

Since v2:
- addressed stefanha review comments
- added 4 trivial patches (to simplify the last one)
- register IRQ notifier for each queuepair (admin and io)

Since v1:
- rebased
- use SCALE_MS definition
- added Stefan's R-b
- addressed Stefan's review comments
  - use union { NvmeIdCtrl / NvmeIdNs }
  - move irq_notifier to NVMeQueuePair
  - removed patches depending on "a tracable hardware stateo
    object instead of BDRVNVMeState".


Philippe Mathieu-Daudé (14):
  block/nvme: Replace magic value by SCALE_MS definition
  block/nvme: Avoid further processing if trace event not enabled
  block/nvme: Let nvme_create_queue_pair() fail gracefully
  block/nvme: Define INDEX macros to ease code review
  block/nvme: Improve error message when IO queue creation failed
  block/nvme: Use common error path in nvme_add_io_queue()
  block/nvme: Rename local variable
  block/nvme: Use union of NvmeIdCtrl / NvmeIdNs structures
  block/nvme: Replace qemu_try_blockalign0 by qemu_try_blockalign/memset
  block/nvme: Replace qemu_try_blockalign(bs) by
  block/nvme: Simplify nvme_init_queue() arguments
  block/nvme: Replace BDRV_POLL_WHILE by AIO_WAIT_WHILE
  block/nvme: Simplify nvme_create_queue_pair() arguments
  block/nvme: Extract nvme_poll_queue()

 block/nvme.c | 180 +++++++++++++++++++++++++++++----------------------
 1 file changed, 104 insertions(+), 76 deletions(-)


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