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[0/2] hw/block/nvme: handle transient dma errors

Message ID 20200629202053.1223342-1-its@irrelevant.dk
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Series hw/block/nvme: handle transient dma errors | expand

Message

Klaus Jensen June 29, 2020, 8:20 p.m. UTC 
From: Klaus Jensen <k.jensen@samsung.com>

QEMU actually respects that Bus Master Enabling for a PCI device gets
flipped, so in order to succesfully pass the block/011 test ("disable
PCI device while doing I/O") the nvme device needs to know if a dma
transfer was successful or not.

Based-on: <20200629195017.1217056-1-its@irrelevant.dk>
("[PATCH 00/17] hw/block/nvme: AIO and address mapping refactoring")

Klaus Jensen (2):
  pci: pass along the return value of dma_memory_rw
  hw/block/nvme: handle dma errors

 hw/block/nvme.c       | 43 ++++++++++++++++++++++++++++++++-----------
 hw/block/trace-events |  2 ++
 include/block/nvme.h  |  2 +-
 include/hw/pci/pci.h  |  3 +--
 4 files changed, 36 insertions(+), 14 deletions(-)