Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Eli Cohen | 537 | 86.75% | 13 | 50.00% |
Dragos Tatulea | 58 | 9.37% | 8 | 30.77% |
Si-Wei Liu | 12 | 1.94% | 3 | 11.54% |
Eugenio Pérez | 8 | 1.29% | 1 | 3.85% |
Aharon Landau | 4 | 0.65% | 1 | 3.85% |
Total | 619 | 26 |
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2020 Mellanox Technologies Ltd. */ #ifndef __MLX5_VDPA_H__ #define __MLX5_VDPA_H__ #include <linux/etherdevice.h> #include <linux/vringh.h> #include <linux/vdpa.h> #include <linux/mlx5/driver.h> #define MLX5V_ETH_HARD_MTU (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN) struct mlx5_vdpa_direct_mr { u64 start; u64 end; u32 perm; u32 mr; struct sg_table sg_head; int log_size; int nsg; int nent; struct list_head list; u64 offset; }; struct mlx5_vdpa_mr { u32 mkey; /* list of direct MRs descendants of this indirect mr */ struct list_head head; unsigned long num_directs; unsigned long num_klms; struct vhost_iotlb *iotlb; bool user_mr; refcount_t refcount; struct list_head mr_list; }; struct mlx5_vdpa_resources { u32 pdn; struct mlx5_uars_page *uar; void __iomem *kick_addr; u64 phys_kick_addr; u16 uid; u32 null_mkey; bool valid; }; struct mlx5_control_vq { struct vhost_iotlb *iotlb; /* spinlock to synchronize iommu table */ spinlock_t iommu_lock; struct vringh vring; bool ready; u64 desc_addr; u64 device_addr; u64 driver_addr; struct vdpa_callback event_cb; struct vringh_kiov riov; struct vringh_kiov wiov; unsigned short head; unsigned int received_desc; unsigned int completed_desc; }; struct mlx5_vdpa_wq_ent { struct work_struct work; struct mlx5_vdpa_dev *mvdev; }; enum { MLX5_VDPA_DATAVQ_GROUP, MLX5_VDPA_CVQ_GROUP, MLX5_VDPA_DATAVQ_DESC_GROUP, MLX5_VDPA_NUMVQ_GROUPS }; enum { MLX5_VDPA_NUM_AS = 2 }; struct mlx5_vdpa_dev { struct vdpa_device vdev; struct mlx5_core_dev *mdev; struct mlx5_vdpa_resources res; u64 mlx_features; u64 actual_features; u8 status; u32 max_vqs; 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; }; int mlx5_vdpa_create_tis(struct mlx5_vdpa_dev *mvdev, void *in, u32 *tisn); void mlx5_vdpa_destroy_tis(struct mlx5_vdpa_dev *mvdev, u32 tisn); int mlx5_vdpa_create_rqt(struct mlx5_vdpa_dev *mvdev, void *in, int inlen, u32 *rqtn); int mlx5_vdpa_modify_rqt(struct mlx5_vdpa_dev *mvdev, void *in, int inlen, u32 rqtn); void mlx5_vdpa_destroy_rqt(struct mlx5_vdpa_dev *mvdev, u32 rqtn); int mlx5_vdpa_create_tir(struct mlx5_vdpa_dev *mvdev, void *in, u32 *tirn); void mlx5_vdpa_destroy_tir(struct mlx5_vdpa_dev *mvdev, u32 tirn); int mlx5_vdpa_alloc_transport_domain(struct mlx5_vdpa_dev *mvdev, u32 *tdn); void mlx5_vdpa_dealloc_transport_domain(struct mlx5_vdpa_dev *mvdev, u32 tdn); int mlx5_vdpa_alloc_resources(struct mlx5_vdpa_dev *mvdev); void mlx5_vdpa_free_resources(struct mlx5_vdpa_dev *mvdev); int mlx5_vdpa_create_mkey(struct mlx5_vdpa_dev *mvdev, u32 *mkey, u32 *in, int inlen); 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); void mlx5_vdpa_destroy_mr_resources(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, struct mlx5_vdpa_mr *mr); void mlx5_vdpa_update_mr(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_mr *mr, unsigned int asid); int mlx5_vdpa_update_cvq_iotlb(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb, 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); #define mlx5_vdpa_warn(__dev, format, ...) \ dev_warn((__dev)->mdev->device, "%s:%d:(pid %d) warning: " format, __func__, __LINE__, \ current->pid, ##__VA_ARGS__) #define mlx5_vdpa_info(__dev, format, ...) \ dev_info((__dev)->mdev->device, "%s:%d:(pid %d): " format, __func__, __LINE__, \ current->pid, ##__VA_ARGS__) #define mlx5_vdpa_dbg(__dev, format, ...) \ dev_debug((__dev)->mdev->device, "%s:%d:(pid %d): " format, __func__, __LINE__, \ current->pid, ##__VA_ARGS__) #endif /* __MLX5_VDPA_H__ */
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