diff --git a/drivers/vdpa/alibaba/eni_vdpa.c b/drivers/vdpa/alibaba/eni_vdpa.c
index f480d54f308cdf0ef4a4afd3a203dd051a7376ec..3e93c5eb0cf9ebfaeb4b800d9c9d12842e389715 100644
--- a/drivers/vdpa/alibaba/eni_vdpa.c
+++ b/drivers/vdpa/alibaba/eni_vdpa.c
@@ -470,7 +470,7 @@ static int eni_vdpa_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return ret;
eni_vdpa = vdpa_alloc_device(struct eni_vdpa, vdpa,
- dev, &eni_vdpa_ops, NULL, false);
+ dev, &eni_vdpa_ops, 1, NULL, false);
if (IS_ERR(eni_vdpa)) {
ENI_ERR(pdev, "failed to allocate vDPA structure\n");
return PTR_ERR(eni_vdpa);
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index 4366320fb68d3140c63b8c7cd00e93b14cab1a9e..fde33e1432461859ed21d01150d43b5af19878a4 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -626,6 +626,11 @@ static size_t ifcvf_vdpa_get_config_size(struct vdpa_device *vdpa_dev)
return vf->config_size;
}
+static u32 ifcvf_vdpa_get_vq_group(struct vdpa_device *vdpa, u16 idx)
+{
+ return 0;
+}
+
static void ifcvf_vdpa_get_config(struct vdpa_device *vdpa_dev,
unsigned int offset,
void *buf, unsigned int len)
@@ -704,6 +709,7 @@ static const struct vdpa_config_ops ifc_vdpa_ops = {
.get_device_id = ifcvf_vdpa_get_device_id,
.get_vendor_id = ifcvf_vdpa_get_vendor_id,
.get_vq_align = ifcvf_vdpa_get_vq_align,
+ .get_vq_group = ifcvf_vdpa_get_vq_group,
.get_config_size = ifcvf_vdpa_get_config_size,
.get_config = ifcvf_vdpa_get_config,
.set_config = ifcvf_vdpa_set_config,
@@ -758,7 +764,7 @@ static int ifcvf_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name,
pdev = ifcvf_mgmt_dev->pdev;
dev = &pdev->dev;
adapter = vdpa_alloc_device(struct ifcvf_adapter, vdpa,
- dev, &ifc_vdpa_ops, name, false);
+ dev, &ifc_vdpa_ops, 1, name, false);
if (IS_ERR(adapter)) {
IFCVF_ERR(pdev, "Failed to allocate vDPA structure");
return PTR_ERR(adapter);
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index 57cfc64248b7819f71ffe6bc8e6f24feed031659..5647e12056d882511f9bd8e5537665ad1d41836f 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -1947,6 +1947,11 @@ static u32 mlx5_vdpa_get_vq_align(struct vdpa_device *vdev)
return PAGE_SIZE;
}
+static u32 mlx5_vdpa_get_vq_group(struct vdpa_device *vdpa, u16 idx)
+{
+ return 0;
+}
+
enum { MLX5_VIRTIO_NET_F_GUEST_CSUM = 1 << 9,
MLX5_VIRTIO_NET_F_CSUM = 1 << 10,
MLX5_VIRTIO_NET_F_HOST_TSO6 = 1 << 11,
@@ -2582,6 +2587,7 @@ static const struct vdpa_config_ops mlx5_vdpa_ops = {
.get_vq_notification = mlx5_get_vq_notification,
.get_vq_irq = mlx5_get_vq_irq,
.get_vq_align = mlx5_vdpa_get_vq_align,
+ .get_vq_group = mlx5_vdpa_get_vq_group,
.get_device_features = mlx5_vdpa_get_device_features,
.set_driver_features = mlx5_vdpa_set_driver_features,
.get_driver_features = mlx5_vdpa_get_driver_features,
@@ -2817,7 +2823,7 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name,
}
ndev = vdpa_alloc_device(struct mlx5_vdpa_net, mvdev.vdev, mdev->device, &mlx5_vdpa_ops,
- name, false);
+ 1, name, false);
if (IS_ERR(ndev))
return PTR_ERR(ndev);
diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
index 9d3534a0bc5f57a6b46f39675257e22d8bb873cf..4ca54779be2cd70225f5aea1541077920598c0d9 100644
--- a/drivers/vdpa/vdpa.c
+++ b/drivers/vdpa/vdpa.c
@@ -158,6 +158,7 @@ static void vdpa_release_dev(struct device *d)
* initialized but before registered.
* @parent: the parent device
* @config: the bus operations that is supported by this device
+ * @ngroups: number of groups supported by this device
* @size: size of the parent structure that contains private data
* @name: name of the vdpa device; optional.
* @use_va: indicate whether virtual address must be used by this device
@@ -170,6 +171,7 @@ static void vdpa_release_dev(struct device *d)
*/
struct vdpa_device *__vdpa_alloc_device(struct device *parent,
const struct vdpa_config_ops *config,
+ unsigned int ngroups,
size_t size, const char *name,
bool use_va)
{
@@ -202,6 +204,7 @@ struct vdpa_device *__vdpa_alloc_device(struct device *parent,
vdev->config = config;
vdev->features_valid = false;
vdev->use_va = use_va;
+ vdev->ngroups = ngroups;
if (name)
err = dev_set_name(&vdev->dev, "%s", name);
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index ddbe142af09aedd204577e30a77a882d82b704fd..c98cb1f869faab700c382188fa7e2d30d52699e6 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -250,7 +250,7 @@ struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr)
else
ops = &vdpasim_config_ops;
- vdpasim = vdpa_alloc_device(struct vdpasim, vdpa, NULL, ops,
+ vdpasim = vdpa_alloc_device(struct vdpasim, vdpa, NULL, ops, 1,
dev_attr->name, false);
if (IS_ERR(vdpasim)) {
ret = PTR_ERR(vdpasim);
@@ -399,6 +399,11 @@ static u32 vdpasim_get_vq_align(struct vdpa_device *vdpa)
return VDPASIM_QUEUE_ALIGN;
}
+static u32 vdpasim_get_vq_group(struct vdpa_device *vdpa, u16 idx)
+{
+ return 0;
+}
+
static u64 vdpasim_get_device_features(struct vdpa_device *vdpa)
{
struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
@@ -620,6 +625,7 @@ static const struct vdpa_config_ops vdpasim_config_ops = {
.set_vq_state = vdpasim_set_vq_state,
.get_vq_state = vdpasim_get_vq_state,
.get_vq_align = vdpasim_get_vq_align,
+ .get_vq_group = vdpasim_get_vq_group,
.get_device_features = vdpasim_get_device_features,
.set_driver_features = vdpasim_set_driver_features,
.get_driver_features = vdpasim_get_driver_features,
@@ -650,6 +656,7 @@ static const struct vdpa_config_ops vdpasim_batch_config_ops = {
.set_vq_state = vdpasim_set_vq_state,
.get_vq_state = vdpasim_get_vq_state,
.get_vq_align = vdpasim_get_vq_align,
+ .get_vq_group = vdpasim_get_vq_group,
.get_device_features = vdpasim_get_device_features,
.set_driver_features = vdpasim_set_driver_features,
.get_driver_features = vdpasim_get_driver_features,
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.h b/drivers/vdpa/vdpa_sim/vdpa_sim.h
index cd58e888bcf3b15ed9c650379bbf8a3f1e7b12df..0be7c1e7ef803682b75285b4d1698d1d5d69c877 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.h
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.h
@@ -63,6 +63,7 @@ struct vdpasim {
u32 status;
u32 generation;
u64 features;
+ u32 groups;
/* spinlock to synchronize iommu table */
spinlock_t iommu_lock;
};
diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c
index f85d1a08ed87c2ecef941d49fbfe41dac37554f3..4ee6850b9a689ebb6905a1ed72540e96f50155d6 100644
--- a/drivers/vdpa/vdpa_user/vduse_dev.c
+++ b/drivers/vdpa/vdpa_user/vduse_dev.c
@@ -1495,7 +1495,7 @@ static int vduse_dev_init_vdpa(struct vduse_dev *dev, const char *name)
return -EEXIST;
vdev = vdpa_alloc_device(struct vduse_vdpa, vdpa, dev->dev,
- &vduse_vdpa_config_ops, name, true);
+ &vduse_vdpa_config_ops, 1, name, true);
if (IS_ERR(vdev))
return PTR_ERR(vdev);
diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c
index cce101e6a940e52432400c45d7c59477f1ae3a05..e18dfe9939015be27cceb8de10a92f5cb9475c34 100644
--- a/drivers/vdpa/virtio_pci/vp_vdpa.c
+++ b/drivers/vdpa/virtio_pci/vp_vdpa.c
@@ -466,7 +466,7 @@ static int vp_vdpa_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return ret;
vp_vdpa = vdpa_alloc_device(struct vp_vdpa, vdpa,
- dev, &vp_vdpa_ops, NULL, false);
+ dev, &vp_vdpa_ops, 1, NULL, false);
if (IS_ERR(vp_vdpa)) {
dev_err(dev, "vp_vdpa: Failed to allocate vDPA structure\n");
return PTR_ERR(vp_vdpa);
diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
index 2cb14847831e18d2084fe3ff1f4adf9d7734ebb2..e4e53574183ea5316eb816d32a3df9e03b95f3b0 100644
--- a/include/linux/vdpa.h
+++ b/include/linux/vdpa.h
@@ -85,6 +85,7 @@ struct vdpa_device {
bool use_va;
u32 nvqs;
struct vdpa_mgmt_dev *mdev;
+ unsigned int ngroups;
};
/**
@@ -172,6 +173,10 @@ struct vdpa_map_file {
* for the device
* @vdev: vdpa device
* Returns virtqueue algin requirement
+ * @get_vq_group: Get the group id for a specific virtqueue
+ * @vdev: vdpa device
+ * @idx: virtqueue index
+ * Returns u32: group id for this virtqueue
* @get_device_features: Get virtio features supported by the device
* @vdev: vdpa device
* Returns the virtio features support by the
@@ -286,6 +291,7 @@ struct vdpa_config_ops {
/* Device ops */
u32 (*get_vq_align)(struct vdpa_device *vdev);
+ u32 (*get_vq_group)(struct vdpa_device *vdev, u16 idx);
u64 (*get_device_features)(struct vdpa_device *vdev);
int (*set_driver_features)(struct vdpa_device *vdev, u64 features);
u64 (*get_driver_features)(struct vdpa_device *vdev);
@@ -318,6 +324,7 @@ struct vdpa_config_ops {
struct vdpa_device *__vdpa_alloc_device(struct device *parent,
const struct vdpa_config_ops *config,
+ unsigned int ngroups,
size_t size, const char *name,
bool use_va);
@@ -328,17 +335,18 @@ struct vdpa_device *__vdpa_alloc_device(struct device *parent,
* @member: the name of struct vdpa_device within the @dev_struct
* @parent: the parent device
* @config: the bus operations that is supported by this device
+ * @ngroups: the number of virtqueue groups supported by this device
* @name: name of the vdpa device
* @use_va: indicate whether virtual address must be used by this device
*
* Return allocated data structure or ERR_PTR upon error
*/
-#define vdpa_alloc_device(dev_struct, member, parent, config, name, use_va) \
- container_of(__vdpa_alloc_device( \
- parent, config, \
+#define vdpa_alloc_device(dev_struct, member, parent, config, ngroups, name, use_va) \
+ container_of((__vdpa_alloc_device( \
+ parent, config, ngroups, \
sizeof(dev_struct) + \
BUILD_BUG_ON_ZERO(offsetof( \
- dev_struct, member)), name, use_va), \
+ dev_struct, member)), name, use_va)), \
dev_struct, member)
int vdpa_register_device(struct vdpa_device *vdev, u32 nvqs);