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From: Xie Yongji <xieyongji@bytedance.com>
To: mst@redhat.com, jasowang@redhat.com, stefanha@redhat.com,
	sgarzare@redhat.com, parav@nvidia.com, hch@infradead.org,
	christian.brauner@canonical.com, rdunlap@infradead.org,
	willy@infradead.org, viro@zeniv.linux.org.uk, axboe@kernel.dk,
	bcrl@kvack.org, corbet@lwn.net, mika.penttila@nextfour.com,
	dan.carpenter@oracle.com, joro@8bytes.org,
	gregkh@linuxfoundation.org, zhe.he@windriver.com,
	xiaodong.liu@intel.com
Cc: songmuchun@bytedance.com,
	virtualization@lists.linux-foundation.org,
	netdev@vger.kernel.org, kvm@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, iommu@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v9 12/17] vdpa: Add an opaque pointer for vdpa_config_ops.dma_map()
Date: Tue, 13 Jul 2021 16:46:51 +0800	[thread overview]
Message-ID: <20210713084656.232-13-xieyongji@bytedance.com> (raw)
In-Reply-To: <20210713084656.232-1-xieyongji@bytedance.com>

Add an opaque pointer for DMA mapping.

Suggested-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Acked-by: Jason Wang <jasowang@redhat.com>
---
 drivers/vdpa/vdpa_sim/vdpa_sim.c | 6 +++---
 drivers/vhost/vdpa.c             | 2 +-
 include/linux/vdpa.h             | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index 72167963421b..f456f4baf86d 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -542,14 +542,14 @@ static int vdpasim_set_map(struct vdpa_device *vdpa,
 }
 
 static int vdpasim_dma_map(struct vdpa_device *vdpa, u64 iova, u64 size,
-			   u64 pa, u32 perm)
+			   u64 pa, u32 perm, void *opaque)
 {
 	struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
 	int ret;
 
 	spin_lock(&vdpasim->iommu_lock);
-	ret = vhost_iotlb_add_range(vdpasim->iommu, iova, iova + size - 1, pa,
-				    perm);
+	ret = vhost_iotlb_add_range_ctx(vdpasim->iommu, iova, iova + size - 1,
+					pa, perm, opaque);
 	spin_unlock(&vdpasim->iommu_lock);
 
 	return ret;
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 8615756306ec..f60a513dac7c 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -578,7 +578,7 @@ static int vhost_vdpa_map(struct vhost_vdpa *v,
 		return r;
 
 	if (ops->dma_map) {
-		r = ops->dma_map(vdpa, iova, size, pa, perm);
+		r = ops->dma_map(vdpa, iova, size, pa, perm, NULL);
 	} else if (ops->set_map) {
 		if (!v->in_batch)
 			r = ops->set_map(vdpa, dev->iotlb);
diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
index 198c30e84b5d..4903e67c690b 100644
--- a/include/linux/vdpa.h
+++ b/include/linux/vdpa.h
@@ -268,7 +268,7 @@ struct vdpa_config_ops {
 	/* DMA ops */
 	int (*set_map)(struct vdpa_device *vdev, struct vhost_iotlb *iotlb);
 	int (*dma_map)(struct vdpa_device *vdev, u64 iova, u64 size,
-		       u64 pa, u32 perm);
+		       u64 pa, u32 perm, void *opaque);
 	int (*dma_unmap)(struct vdpa_device *vdev, u64 iova, u64 size);
 
 	/* Free device resources */
-- 
2.11.0


  parent reply	other threads:[~2021-07-13  8:48 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-13  8:46 [PATCH v9 00/17] Introduce VDUSE - vDPA Device in Userspace Xie Yongji
2021-07-13  8:46 ` [PATCH v9 01/17] iova: Export alloc_iova_fast() and free_iova_fast() Xie Yongji
2021-07-13  8:46 ` [PATCH v9 02/17] file: Export receive_fd() to modules Xie Yongji
2021-07-13  8:46 ` [PATCH v9 03/17] vdpa: Fix code indentation Xie Yongji
2021-07-14  4:20   ` Joe Perches
2021-07-14  5:48     ` Yongji Xie
2021-07-13  8:46 ` [PATCH v9 04/17] vdpa: Fail the vdpa_reset() if fail to set device status to zero Xie Yongji
2021-07-13  8:46 ` [PATCH v9 05/17] vhost-vdpa: Fail the vhost_vdpa_set_status() on reset failure Xie Yongji
2021-07-13  8:46 ` [PATCH v9 06/17] vhost-vdpa: Handle the failure of vdpa_reset() Xie Yongji
2021-07-13  8:46 ` [PATCH v9 07/17] virtio: Don't set FAILED status bit on device index allocation failure Xie Yongji
2021-07-13 11:02   ` Dan Carpenter
2021-07-13 11:25     ` Yongji Xie
2021-07-13  8:46 ` [PATCH v9 08/17] virtio_config: Add a return value to reset function Xie Yongji
2021-07-13  8:46 ` [PATCH v9 09/17] virtio-vdpa: Handle the failure of vdpa_reset() Xie Yongji
2021-07-13  8:46 ` [PATCH v9 10/17] virtio: Handle device reset failure in register_virtio_device() Xie Yongji
2021-07-13  8:46 ` [PATCH v9 11/17] vhost-iotlb: Add an opaque pointer for vhost IOTLB Xie Yongji
2021-07-13  8:46 ` Xie Yongji [this message]
2021-07-13  8:46 ` [PATCH v9 13/17] vdpa: factor out vhost_vdpa_pa_map() and vhost_vdpa_pa_unmap() Xie Yongji
2021-07-13 11:31   ` Dan Carpenter
2021-07-14  2:14     ` Jason Wang
2021-07-14  8:05       ` Dan Carpenter
2021-07-14  9:41         ` Jason Wang
2021-07-14  9:57           ` Dan Carpenter
2021-07-15  2:20             ` Jason Wang
2021-07-14  5:24     ` Yongji Xie
2021-07-13  8:46 ` [PATCH v9 14/17] vdpa: Support transferring virtual addressing during DMA mapping Xie Yongji
2021-07-13  8:46 ` [PATCH v9 15/17] vduse: Implement an MMU-based IOMMU driver Xie Yongji
2021-07-13  8:46 ` [PATCH v9 16/17] vduse: Introduce VDUSE - vDPA Device in Userspace Xie Yongji
2021-07-13 13:27   ` Dan Carpenter
2021-07-14  2:54     ` Jason Wang
2021-07-14  5:45       ` Yongji Xie
2021-07-14  5:45   ` Jason Wang
2021-07-14  5:54     ` Michael S. Tsirkin
2021-07-14  6:02       ` Jason Wang
2021-07-14  6:47         ` Greg KH
2021-07-14  8:56           ` Jason Wang
2021-07-14  6:49     ` Yongji Xie
2021-07-14  9:12       ` Jason Wang
2021-07-15  4:03         ` Yongji Xie
2021-07-15  5:00           ` Jason Wang
2021-07-13  8:46 ` [PATCH v9 17/17] Documentation: Add documentation for VDUSE Xie Yongji
2021-07-15  5:18   ` Jason Wang
2021-07-15  7:27     ` Yongji Xie
2021-12-15 10:10 ` [PATCH v9 00/17] Introduce VDUSE - vDPA Device in Userspace Liuxiangdong
2021-12-16  3:14   ` Yongji Xie

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