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[Qemu-devel] [PATCH v2 5/6] block/nvme: Implement .bdrv_dma_map and .bdr
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH v2 5/6] block/nvme: Implement .bdrv_dma_map and .bdrv_dma_unmap |
Date: |
Thu, 23 Feb 2017 17:18:44 +0800 |
Forward these two calls to the IOVA manager.
Signed-off-by: Fam Zheng <address@hidden>
---
block/nvme.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/block/nvme.c b/block/nvme.c
index f38b5e1..cfb93ce 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -1021,6 +1021,20 @@ static void nvme_aio_unplug(BlockDriverState *bs)
}
}
+static void nvme_dma_map(BlockDriverState *bs, void *host, size_t size)
+{
+ BDRVNVMeState *s = bs->opaque;
+
+ nvme_vfio_dma_map(s->vfio, host, size, false, NULL);
+}
+
+static void nvme_dma_unmap(BlockDriverState *bs, void *host)
+{
+ BDRVNVMeState *s = bs->opaque;
+
+ nvme_vfio_dma_unmap(s->vfio, host);
+}
+
static BlockDriver bdrv_nvme = {
.format_name = "nvme",
.protocol_name = "nvme",
@@ -1046,6 +1060,9 @@ static BlockDriver bdrv_nvme = {
.bdrv_io_plug = nvme_aio_plug,
.bdrv_io_unplug = nvme_aio_unplug,
+
+ .bdrv_dma_map = nvme_dma_map,
+ .bdrv_dma_unmap = nvme_dma_unmap,
};
static void bdrv_nvme_init(void)
--
2.9.3
- [Qemu-devel] [PATCH v2 0/6] block: Add VFIO based driver for NVMe device, Fam Zheng, 2017/02/23
- [Qemu-devel] [PATCH v2 2/6] stubs: Add stubs for ram block notifier API, Fam Zheng, 2017/02/23
- [Qemu-devel] [PATCH v2 4/6] block: Introduce bdrv_dma_map and bdrv_dma_unmap, Fam Zheng, 2017/02/23
- [Qemu-devel] [PATCH v2 1/6] nvme: Move NVMe definitions to a separate header, Fam Zheng, 2017/02/23
- [Qemu-devel] [PATCH v2 5/6] block/nvme: Implement .bdrv_dma_map and .bdrv_dma_unmap,
Fam Zheng <=
- [Qemu-devel] [PATCH v2 6/6] qemu-img: dma map buffers, Fam Zheng, 2017/02/23
- [Qemu-devel] [PATCH v2 3/6] block: Add VFIO based NVMe driver, Fam Zheng, 2017/02/23
- Re: [Qemu-devel] [PATCH v2 0/6] block: Add VFIO based driver for NVMe device, no-reply, 2017/02/23
- Re: [Qemu-devel] [PATCH v2 0/6] block: Add VFIO based driver for NVMe device, Fam Zheng, 2017/02/23