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[Qemu-block] [PATCH v2 0/6] block: Add VFIO based driver for NVMe device
From: |
Fam Zheng |
Subject: |
[Qemu-block] [PATCH v2 0/6] block: Add VFIO based driver for NVMe device |
Date: |
Thu, 23 Feb 2017 17:18:39 +0800 |
This is a refresh of the NVMe VFIO driver patches.
The first three patches add the driver, the others are to make qemu-img more
efficient with the new driver.
v2:
- Implement "split vfio addr space" appraoch. [Paolo]
- Add back 'device reset' in nvme_close(). [Paolo]
- Better variable namings. [Stefan]
- "Reuse" macro definitions from NVMe emulation code.
- Rebase onto current master which has polling by default and update
performance results accordingly.
- Update MAINTAINERS.
- Specify namespace in URI.
- The sporadical I/O error from v1 "disappeared" in this version.
- Tests one: qemu-img bench, fio, bonnie++ and installation of
ubuntu/fedora/rhel on QEMU emulated nvme and a Intel P3700 card.
Fam Zheng (6):
nvme: Move NVMe definitions to a separate header
stubs: Add stubs for ram block notifier API
block: Add VFIO based NVMe driver
block: Introduce bdrv_dma_map and bdrv_dma_unmap
block/nvme: Implement .bdrv_dma_map and .bdrv_dma_unmap
qemu-img: dma map buffers
MAINTAINERS | 6 +
block/Makefile.objs | 1 +
block/block-backend.c | 10 +
block/io.c | 24 +
block/nvme-vfio.c | 664 +++++++++++++++++++++++++
block/nvme-vfio.h | 31 ++
block/nvme.c | 1073 ++++++++++++++++++++++++++++++++++++++++
block/trace-events | 27 +
hw/block/nvme.h | 629 +----------------------
include/block/block.h | 2 +
include/block/block_int.h | 4 +
include/block/nvme.h | 632 +++++++++++++++++++++++
include/sysemu/block-backend.h | 3 +
qemu-img.c | 15 +
stubs/Makefile.objs | 1 +
stubs/ram-block-notifier.c | 10 +
16 files changed, 2504 insertions(+), 628 deletions(-)
create mode 100644 block/nvme-vfio.c
create mode 100644 block/nvme-vfio.h
create mode 100644 block/nvme.c
create mode 100644 include/block/nvme.h
create mode 100644 stubs/ram-block-notifier.c
--
2.9.3
- [Qemu-block] [PATCH v2 0/6] block: Add VFIO based driver for NVMe device,
Fam Zheng <=
- [Qemu-block] [PATCH v2 2/6] stubs: Add stubs for ram block notifier API, Fam Zheng, 2017/02/23
- [Qemu-block] [PATCH v2 1/6] nvme: Move NVMe definitions to a separate header, Fam Zheng, 2017/02/23
- [Qemu-block] [PATCH v2 4/6] block: Introduce bdrv_dma_map and bdrv_dma_unmap, Fam Zheng, 2017/02/23
- [Qemu-block] [PATCH v2 5/6] block/nvme: Implement .bdrv_dma_map and .bdrv_dma_unmap, Fam Zheng, 2017/02/23
- [Qemu-block] [PATCH v2 3/6] block: Add VFIO based NVMe driver, Fam Zheng, 2017/02/23
- [Qemu-block] [PATCH v2 6/6] qemu-img: dma map buffers, Fam Zheng, 2017/02/23
- Re: [Qemu-block] [Qemu-devel] [PATCH v2 0/6] block: Add VFIO based driver for NVMe device, no-reply, 2017/02/23