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[Qemu-devel] [PATCH v2 00/15] ahci: ncq cleanup, part 2

From: John Snow
Subject: [Qemu-devel] [PATCH v2 00/15] ahci: ncq cleanup, part 2
Date: Wed, 1 Jul 2015 12:19:23 -0400

requires: address@hidden
          [PATCH v2 0/4] ahci: misc fixes/tests for 2.4
          [PATCH v2 00/16] ahci: ncq cleanup, part 1

This chunk gets NCQ migration and and resume support working.

There's still some left to do, particularly around error handling
and FIS semantics, but this should get us most of the way there.


[----] : patches are identical
[####] : number of functional differences between upstream/downstream patch
[down] : patch is downstream-only
The flags [FC] indicate (F)unctional and (C)ontextual differences, respectively

001/15:[0043] [FC] 'ide: add limit to .prepare_buf()'
002/15:[----] [--] 'ahci: stash ncq command'
003/15:[----] [--] 'ahci: assert is_ncq for process_ncq'
004/15:[----] [--] 'ahci: refactor process_ncq_command'
005/15:[----] [--] 'ahci: factor ncq_finish out of ncq_cb'
006/15:[down] 'ahci: add rwerror=stop support for ncq'
007/15:[----] [--] 'ahci: correct types in NCQTransferState'
008/15:[----] [--] 'ahci: correct ncq sector count'
009/15:[----] [--] 'qtest/ahci: halted NCQ test'
010/15:[----] [-C] 'ahci: add cmd header to ncq transfer state'
011/15:[0004] [FC] 'ahci: add get_cmd_header helper'
012/15:[0006] [FC] 'ahci: ncq migration'
013/15:[----] [--] 'ahci: Do not map cmd_fis to generate response'
014/15:[----] [--] 'qtest/ahci: halted ncq migration test'
015/15:[0001] [FC] 'ahci: fix sdb fis semantics'

01: Fixed limit parameter to int32_t to match existing implicit cap
    Removed is_write parameter. Nobody used it.
    Implemented PRD limit for BMDMA
06: Squashed what was patch 06/07.
    Adjusted where we clear ncq_tfs->halt.
11: Fixed port/slot bounds checking
    Removed ncq_tfs section from ahci_state_post_load
    moved ahead of what's now #12.
12: Picked up the truncated sections from what's now #11
    Rely on get_cmd_header to do more error checking for us.
16: Comment explaining the IRQ mechanics for SDBFIS.


For convenience, this branch is available at:
https://github.com/jnsnow/qemu.git branch ahci-ncq-s2

This version is tagged ahci-ncq-s2-v2:

John Snow (15):
  ide: add limit to .prepare_buf()
  ahci: stash ncq command
  ahci: assert is_ncq for process_ncq
  ahci: refactor process_ncq_command
  ahci: factor ncq_finish out of ncq_cb
  ahci: add rwerror=stop support for ncq
  ahci: correct types in NCQTransferState
  ahci: correct ncq sector count
  qtest/ahci: halted NCQ test
  ahci: add cmd header to ncq transfer state
  ahci: add get_cmd_header helper
  ahci: ncq migration
  ahci: Do not map cmd_fis to generate response
  qtest/ahci: halted ncq migration test
  ahci: fix sdb fis semantics

 hw/ide/ahci.c     | 334 +++++++++++++++++++++++++++++++++---------------------
 hw/ide/ahci.h     |   9 +-
 hw/ide/core.c     |  15 ++-
 hw/ide/internal.h |   4 +-
 hw/ide/macio.c    |   2 +-
 hw/ide/pci.c      |  21 +++-
 tests/ahci-test.c |  38 +++++--
 7 files changed, 269 insertions(+), 154 deletions(-)


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