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path: root/drivers/vdpa/mlx5/core/mlx5_vdpa.h
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Diffstat (limited to 'drivers/vdpa/mlx5/core/mlx5_vdpa.h')
-rw-r--r--drivers/vdpa/mlx5/core/mlx5_vdpa.h47
1 files changed, 42 insertions, 5 deletions
diff --git a/drivers/vdpa/mlx5/core/mlx5_vdpa.h b/drivers/vdpa/mlx5/core/mlx5_vdpa.h
index 50aac8fe57ef..2cedf7e2dbc4 100644
--- a/drivers/vdpa/mlx5/core/mlx5_vdpa.h
+++ b/drivers/vdpa/mlx5/core/mlx5_vdpa.h
@@ -83,10 +83,28 @@ enum {
MLX5_VDPA_NUM_AS = 2
};
+struct mlx5_vdpa_mr_resources {
+ struct mlx5_vdpa_mr *mr[MLX5_VDPA_NUM_AS];
+ unsigned int group2asid[MLX5_VDPA_NUMVQ_GROUPS];
+
+ /* Pre-deletion mr list */
+ struct list_head mr_list_head;
+
+ /* Deferred mr list */
+ struct list_head mr_gc_list_head;
+ struct workqueue_struct *wq_gc;
+ struct delayed_work gc_dwork_ent;
+
+ struct mutex lock;
+
+ atomic_t shutdown;
+};
+
struct mlx5_vdpa_dev {
struct vdpa_device vdev;
struct mlx5_core_dev *mdev;
struct mlx5_vdpa_resources res;
+ struct mlx5_vdpa_mr_resources mres;
u64 mlx_features;
u64 actual_features;
@@ -95,14 +113,23 @@ struct mlx5_vdpa_dev {
u16 max_idx;
u32 generation;
- struct mlx5_vdpa_mr *mr[MLX5_VDPA_NUM_AS];
- struct list_head mr_list_head;
- /* serialize mr access */
- struct mutex mr_mtx;
struct mlx5_control_vq cvq;
struct workqueue_struct *wq;
- unsigned int group2asid[MLX5_VDPA_NUMVQ_GROUPS];
bool suspended;
+
+ struct mlx5_async_ctx async_ctx;
+};
+
+struct mlx5_vdpa_async_cmd {
+ int err;
+ struct mlx5_async_work cb_work;
+ struct completion cmd_done;
+
+ void *in;
+ size_t inlen;
+
+ void *out;
+ size_t outlen;
};
int mlx5_vdpa_create_tis(struct mlx5_vdpa_dev *mvdev, void *in, u32 *tisn);
@@ -121,7 +148,9 @@ int mlx5_vdpa_create_mkey(struct mlx5_vdpa_dev *mvdev, u32 *mkey, u32 *in,
int mlx5_vdpa_destroy_mkey(struct mlx5_vdpa_dev *mvdev, u32 mkey);
struct mlx5_vdpa_mr *mlx5_vdpa_create_mr(struct mlx5_vdpa_dev *mvdev,
struct vhost_iotlb *iotlb);
+int mlx5_vdpa_init_mr_resources(struct mlx5_vdpa_dev *mvdev);
void mlx5_vdpa_destroy_mr_resources(struct mlx5_vdpa_dev *mvdev);
+void mlx5_vdpa_clean_mrs(struct mlx5_vdpa_dev *mvdev);
void mlx5_vdpa_get_mr(struct mlx5_vdpa_dev *mvdev,
struct mlx5_vdpa_mr *mr);
void mlx5_vdpa_put_mr(struct mlx5_vdpa_dev *mvdev,
@@ -134,6 +163,14 @@ int mlx5_vdpa_update_cvq_iotlb(struct mlx5_vdpa_dev *mvdev,
unsigned int asid);
int mlx5_vdpa_create_dma_mr(struct mlx5_vdpa_dev *mvdev);
int mlx5_vdpa_reset_mr(struct mlx5_vdpa_dev *mvdev, unsigned int asid);
+int mlx5_vdpa_exec_async_cmds(struct mlx5_vdpa_dev *mvdev,
+ struct mlx5_vdpa_async_cmd *cmds,
+ int num_cmds);
+
+#define mlx5_vdpa_err(__dev, format, ...) \
+ dev_err((__dev)->mdev->device, "%s:%d:(pid %d) error: " format, __func__, __LINE__, \
+ current->pid, ##__VA_ARGS__)
+
#define mlx5_vdpa_warn(__dev, format, ...) \
dev_warn((__dev)->mdev->device, "%s:%d:(pid %d) warning: " format, __func__, __LINE__, \