Virtio core switches from DMA device to mapping token, let's do that
as well for vDPA.
Reviewed-by: Christoph Hellwig <h...@lst.de>
Signed-off-by: Jason Wang <jasow...@redhat.com>
---
drivers/vdpa/alibaba/eni_vdpa.c | 2 +-
drivers/vdpa/ifcvf/ifcvf_main.c | 2 +-
drivers/vdpa/mlx5/core/mr.c | 4 ++--
drivers/vdpa/mlx5/net/mlx5_vnet.c | 8 ++++----
drivers/vdpa/octeon_ep/octep_vdpa_main.c | 2 +-
drivers/vdpa/pds/vdpa_dev.c | 2 +-
drivers/vdpa/solidrun/snet_main.c | 4 ++--
drivers/vdpa/vdpa.c | 2 +-
drivers/vdpa/vdpa_sim/vdpa_sim.c | 2 +-
drivers/vdpa/vdpa_user/vduse_dev.c | 2 +-
drivers/vdpa/virtio_pci/vp_vdpa.c | 2 +-
drivers/vhost/vdpa.c | 4 ++--
drivers/virtio/virtio_vdpa.c | 12 ++++++------
include/linux/vdpa.h | 12 ++++++------
14 files changed, 30 insertions(+), 30 deletions(-)
diff --git a/drivers/vdpa/alibaba/eni_vdpa.c b/drivers/vdpa/alibaba/eni_vdpa.c
index ad7f3447fe90..34bf726dc660 100644
--- a/drivers/vdpa/alibaba/eni_vdpa.c
+++ b/drivers/vdpa/alibaba/eni_vdpa.c
@@ -496,7 +496,7 @@ static int eni_vdpa_probe(struct pci_dev *pdev, const
struct pci_device_id *id)
pci_set_master(pdev);
pci_set_drvdata(pdev, eni_vdpa);
- eni_vdpa->vdpa.dma_dev = &pdev->dev;
+ eni_vdpa->vdpa.map_token = &pdev->dev;
eni_vdpa->queues = eni_vdpa_get_num_queues(eni_vdpa);
eni_vdpa->vring = devm_kcalloc(&pdev->dev, eni_vdpa->queues,
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index ccf64d7bbfaa..64d28ec97136 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -713,7 +713,7 @@ static int ifcvf_vdpa_dev_add(struct vdpa_mgmt_dev *mdev,
const char *name,
ifcvf_mgmt_dev->adapter = adapter;
adapter->pdev = pdev;
- adapter->vdpa.dma_dev = &pdev->dev;
+ adapter->vdpa.map_token = &pdev->dev;
adapter->vdpa.mdev = mdev;
adapter->vf = vf;
vdpa_dev = &adapter->vdpa;
diff --git a/drivers/vdpa/mlx5/core/mr.c b/drivers/vdpa/mlx5/core/mr.c
index c7a20278bc3c..9175d7441fec 100644
--- a/drivers/vdpa/mlx5/core/mr.c
+++ b/drivers/vdpa/mlx5/core/mr.c
@@ -378,7 +378,7 @@ static int map_direct_mr(struct mlx5_vdpa_dev *mvdev,
struct mlx5_vdpa_direct_mr
u64 pa, offset;
u64 paend;
struct scatterlist *sg;
- struct device *dma = mvdev->vdev.dma_dev;
+ struct device *dma = mvdev->vdev.map_token;
for (map = vhost_iotlb_itree_first(iotlb, mr->start, mr->end - 1);
map; map = vhost_iotlb_itree_next(map, mr->start, mr->end - 1)) {
@@ -432,7 +432,7 @@ static int map_direct_mr(struct mlx5_vdpa_dev *mvdev,
struct mlx5_vdpa_direct_mr
static void unmap_direct_mr(struct mlx5_vdpa_dev *mvdev, struct
mlx5_vdpa_direct_mr *mr)
{
- struct device *dma = mvdev->vdev.dma_dev;
+ struct device *dma = mvdev->vdev.map_token;
destroy_direct_mr(mvdev, mr);
dma_unmap_sg_attrs(dma, mr->sg_head.sgl, mr->nsg, DMA_BIDIRECTIONAL, 0);
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c
b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index 0ed2fc28e1ce..1c2342942200 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -3395,14 +3395,14 @@ static int mlx5_vdpa_reset_map(struct vdpa_device
*vdev, unsigned int asid)
return err;
}
-static struct device *mlx5_get_vq_dma_dev(struct vdpa_device *vdev, u16 idx)
+static struct device *mlx5_get_vq_map_token(struct vdpa_device *vdev, u16 idx)
{
struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev);
if (is_ctrl_vq_idx(mvdev, idx))
return &vdev->dev;
- return mvdev->vdev.dma_dev;
+ return mvdev->vdev.map_token;
}
static void free_irqs(struct mlx5_vdpa_net *ndev)
@@ -3686,7 +3686,7 @@ static const struct vdpa_config_ops mlx5_vdpa_ops = {
.set_map = mlx5_vdpa_set_map,
.reset_map = mlx5_vdpa_reset_map,
.set_group_asid = mlx5_set_group_asid,
- .get_vq_dma_dev = mlx5_get_vq_dma_dev,
+ .get_vq_map_token = mlx5_get_vq_map_token,
.free = mlx5_vdpa_free,
.suspend = mlx5_vdpa_suspend,
.resume = mlx5_vdpa_resume, /* Op disabled if not supported. */
@@ -3965,7 +3965,7 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev
*v_mdev, const char *name,
}
ndev->mvdev.mlx_features = device_features;
- mvdev->vdev.dma_dev = &mdev->pdev->dev;
+ mvdev->vdev.map_token = &mdev->pdev->dev;
err = mlx5_vdpa_alloc_resources(&ndev->mvdev);
if (err)
goto err_alloc;
diff --git a/drivers/vdpa/octeon_ep/octep_vdpa_main.c
b/drivers/vdpa/octeon_ep/octep_vdpa_main.c
index 9b49efd24391..42a4df4613dd 100644
--- a/drivers/vdpa/octeon_ep/octep_vdpa_main.c
+++ b/drivers/vdpa/octeon_ep/octep_vdpa_main.c
@@ -516,7 +516,7 @@ static int octep_vdpa_dev_add(struct vdpa_mgmt_dev *mdev,
const char *name,
}
oct_vdpa->pdev = pdev;
- oct_vdpa->vdpa.dma_dev = &pdev->dev;
+ oct_vdpa->vdpa.map_token = &pdev->dev;
oct_vdpa->vdpa.mdev = mdev;
oct_vdpa->oct_hw = oct_hw;
vdpa_dev = &oct_vdpa->vdpa;
diff --git a/drivers/vdpa/pds/vdpa_dev.c b/drivers/vdpa/pds/vdpa_dev.c
index 301d95e08596..cff9c9811d8e 100644
--- a/drivers/vdpa/pds/vdpa_dev.c
+++ b/drivers/vdpa/pds/vdpa_dev.c
@@ -643,7 +643,7 @@ static int pds_vdpa_dev_add(struct vdpa_mgmt_dev *mdev,
const char *name,
pdev = vdpa_aux->padev->vf_pdev;
dma_dev = &pdev->dev;
- pdsv->vdpa_dev.dma_dev = dma_dev;
+ pdsv->vdpa_dev.map_token = dma_dev;
status = pds_vdpa_get_status(&pdsv->vdpa_dev);
if (status == 0xff) {
diff --git a/drivers/vdpa/solidrun/snet_main.c
b/drivers/vdpa/solidrun/snet_main.c
index 55ec51c17ab3..1864fd1655ea 100644
--- a/drivers/vdpa/solidrun/snet_main.c
+++ b/drivers/vdpa/solidrun/snet_main.c
@@ -1052,8 +1052,8 @@ static int snet_vdpa_probe_vf(struct pci_dev *pdev)
*/
snet_reserve_irq_idx(pf_irqs ? pdev_pf : pdev, snet);
- /*set DMA device*/
- snet->vdpa.dma_dev = &pdev->dev;
+ /* set map token */
+ snet->vdpa.map_token = &pdev->dev;
/* Register VDPA device */
ret = vdpa_register_device(&snet->vdpa, snet->cfg->vq_num);
diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
index 8a372b51c21a..1cc4285ebd67 100644
--- a/drivers/vdpa/vdpa.c
+++ b/drivers/vdpa/vdpa.c
@@ -151,7 +151,7 @@ static void vdpa_release_dev(struct device *d)
* Driver should use vdpa_alloc_device() wrapper macro instead of
* using this directly.
*
- * Return: Returns an error when parent/config/dma_dev is not set or fail to
get
+ * Return: Returns an error when parent/config/map_token is not set or fail to
get
* ida.
*/
struct vdpa_device *__vdpa_alloc_device(struct device *parent,
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index c204fc8e471a..7c8e468f2f8c 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -272,7 +272,7 @@ struct vdpasim *vdpasim_create(struct vdpasim_dev_attr
*dev_attr,
vringh_set_iotlb(&vdpasim->vqs[i].vring, &vdpasim->iommu[0],
&vdpasim->iommu_lock);
- vdpasim->vdpa.dma_dev = dev;
+ vdpasim->vdpa.map_token = dev;
return vdpasim;
diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c
b/drivers/vdpa/vdpa_user/vduse_dev.c
index 04620bb77203..cf4e3525aac4 100644
--- a/drivers/vdpa/vdpa_user/vduse_dev.c
+++ b/drivers/vdpa/vdpa_user/vduse_dev.c
@@ -2022,7 +2022,7 @@ static int vduse_dev_init_vdpa(struct vduse_dev *dev,
const char *name)
return ret;
}
set_dma_ops(&vdev->vdpa.dev, &vduse_dev_dma_ops);
- vdev->vdpa.dma_dev = &vdev->vdpa.dev;
+ vdev->vdpa.map_token = &vdev->vdpa.dev;
vdev->vdpa.mdev = &vduse_mgmt->mgmt_dev;
return 0;
diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c
b/drivers/vdpa/virtio_pci/vp_vdpa.c
index 8787407f75b0..6e22e95245fa 100644
--- a/drivers/vdpa/virtio_pci/vp_vdpa.c
+++ b/drivers/vdpa/virtio_pci/vp_vdpa.c
@@ -520,7 +520,7 @@ static int vp_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev,
const char *name,
vp_vdpa_mgtdev->vp_vdpa = vp_vdpa;
- vp_vdpa->vdpa.dma_dev = &pdev->dev;
+ vp_vdpa->vdpa.map_token = &pdev->dev;
vp_vdpa->queues = vp_modern_get_num_queues(mdev);
vp_vdpa->mdev = mdev;
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 5a49b5a6d496..732ed118c138 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -1320,7 +1320,7 @@ static int vhost_vdpa_alloc_domain(struct vhost_vdpa *v)
{
struct vdpa_device *vdpa = v->vdpa;
const struct vdpa_config_ops *ops = vdpa->config;
- struct device *dma_dev = vdpa_get_dma_dev(vdpa);
+ struct device *dma_dev = vdpa_get_map_token(vdpa);
int ret;
/* Device want to do DMA by itself */
@@ -1355,7 +1355,7 @@ static int vhost_vdpa_alloc_domain(struct vhost_vdpa *v)
static void vhost_vdpa_free_domain(struct vhost_vdpa *v)
{
struct vdpa_device *vdpa = v->vdpa;
- struct device *dma_dev = vdpa_get_dma_dev(vdpa);
+ struct device *dma_dev = vdpa_get_map_token(vdpa);
if (v->domain) {
iommu_detach_device(v->domain, dma_dev);
diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c
index dbf207cd3996..7b9bc123166d 100644
--- a/drivers/virtio/virtio_vdpa.c
+++ b/drivers/virtio/virtio_vdpa.c
@@ -133,7 +133,6 @@ virtio_vdpa_setup_vq(struct virtio_device *vdev, unsigned
int index,
const char *name, bool ctx)
{
struct vdpa_device *vdpa = vd_get_vdpa(vdev);
- struct device *dma_dev;
const struct vdpa_config_ops *ops = vdpa->config;
bool (*notify)(struct virtqueue *vq) = virtio_vdpa_notify;
struct vdpa_callback cb;
@@ -143,6 +142,7 @@ virtio_vdpa_setup_vq(struct virtio_device *vdev, unsigned
int index,
struct vdpa_vq_state state = {0};
u32 align, max_num, min_num = 1;
bool may_reduce_num = true;
+ void *map_token;
int err;
if (!name)
@@ -181,13 +181,13 @@ virtio_vdpa_setup_vq(struct virtio_device *vdev, unsigned
int index,
/* Create the vring */
align = ops->get_vq_align(vdpa);
- if (ops->get_vq_dma_dev)
- dma_dev = ops->get_vq_dma_dev(vdpa, index);
+ if (ops->get_vq_map_token)
+ map_token = ops->get_vq_map_token(vdpa, index);
else
- dma_dev = vdpa_get_dma_dev(vdpa);
+ map_token = vdpa_get_map_token(vdpa);
vq = vring_create_virtqueue_map(index, max_num, align, vdev,
true, may_reduce_num, ctx,
- notify, callback, name, dma_dev);
+ notify, callback, name, map_token);
if (!vq) {
err = -ENOMEM;
goto error_new_virtqueue;
@@ -461,7 +461,7 @@ static int virtio_vdpa_probe(struct vdpa_device *vdpa)
if (!vd_dev)
return -ENOMEM;
- vd_dev->vdev.dev.parent = vdpa_get_dma_dev(vdpa);
+ vd_dev->vdev.dev.parent = vdpa_get_map_token(vdpa);
vd_dev->vdev.dev.release = virtio_vdpa_release_dev;
vd_dev->vdev.config = &virtio_vdpa_config_ops;
vd_dev->vdpa = vdpa;
diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
index 2e7a30fe6b92..352ca5609c9a 100644
--- a/include/linux/vdpa.h
+++ b/include/linux/vdpa.h
@@ -70,7 +70,7 @@ struct vdpa_mgmt_dev;
/**
* struct vdpa_device - representation of a vDPA device
* @dev: underlying device
- * @dma_dev: the actual device that is performing DMA
+ * @map_token: the token passed to upper layer to be used for mappping
* @driver_override: driver name to force a match; do not set directly,
* because core frees it; use driver_set_override() to
* set or clear it.
@@ -87,7 +87,7 @@ struct vdpa_mgmt_dev;
*/
struct vdpa_device {
struct device dev;
- struct device *dma_dev;
+ void *map_token;
const char *driver_override;
const struct vdpa_config_ops *config;
struct rw_semaphore cf_lock; /* Protects get/set config */
@@ -352,7 +352,7 @@ struct vdpa_map_file {
* @vdev: vdpa device
* @asid: address space identifier
* Returns integer: success (0) or error (< 0)
- * @get_vq_dma_dev: Get the dma device for a specific
+ * @get_vq_map_token: Get the map token for a specific
* virtqueue (optional)
* @vdev: vdpa device
* @idx: virtqueue index
@@ -436,7 +436,7 @@ struct vdpa_config_ops {
int (*reset_map)(struct vdpa_device *vdev, unsigned int asid);
int (*set_group_asid)(struct vdpa_device *vdev, unsigned int group,
unsigned int asid);
- struct device *(*get_vq_dma_dev)(struct vdpa_device *vdev, u16 idx);
+ struct device *(*get_vq_map_token)(struct vdpa_device *vdev, u16 idx);
int (*bind_mm)(struct vdpa_device *vdev, struct mm_struct *mm);
void (*unbind_mm)(struct vdpa_device *vdev);
@@ -520,9 +520,9 @@ static inline void vdpa_set_drvdata(struct vdpa_device
*vdev, void *data)
dev_set_drvdata(&vdev->dev, data);
}
-static inline struct device *vdpa_get_dma_dev(struct vdpa_device *vdev)
+static inline void *vdpa_get_map_token(struct vdpa_device *vdev)
{
- return vdev->dma_dev;
+ return vdev->map_token;
}
static inline int vdpa_reset(struct vdpa_device *vdev, u32 flags)
--
2.47.3
