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1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2/* Copyright (c) 2020 Mellanox Technologies Ltd. */
3
4#ifndef __MLX5_VDPA_H__
5#define __MLX5_VDPA_H__
6
7#include <linux/vdpa.h>
8#include <linux/mlx5/driver.h>
9
10struct mlx5_vdpa_direct_mr {
11 u64 start;
12 u64 end;
13 u32 perm;
14 struct mlx5_core_mkey mr;
15 struct sg_table sg_head;
16 int log_size;
17 int nsg;
18 struct list_head list;
19 u64 offset;
20};
21
22struct mlx5_vdpa_mr {
23 struct mlx5_core_mkey mkey;
24
25 /* list of direct MRs descendants of this indirect mr */
26 struct list_head head;
27 unsigned long num_directs;
28 unsigned long num_klms;
29 bool initialized;
30
31 /* serialize mkey creation and destruction */
32 struct mutex mkey_mtx;
33};
34
35struct mlx5_vdpa_resources {
36 u32 pdn;
37 struct mlx5_uars_page *uar;
38 void __iomem *kick_addr;
39 u16 uid;
40 u32 null_mkey;
41 bool valid;
42};
43
44struct mlx5_vdpa_dev {
45 struct vdpa_device vdev;
46 struct mlx5_core_dev *mdev;
47 struct mlx5_vdpa_resources res;
48
49 u64 mlx_features;
50 u64 actual_features;
51 u8 status;
52 u32 max_vqs;
53 u32 generation;
54
55 struct mlx5_vdpa_mr mr;
56};
57
58int mlx5_vdpa_alloc_pd(struct mlx5_vdpa_dev *dev, u32 *pdn, u16 uid);
59int mlx5_vdpa_dealloc_pd(struct mlx5_vdpa_dev *dev, u32 pdn, u16 uid);
60int mlx5_vdpa_get_null_mkey(struct mlx5_vdpa_dev *dev, u32 *null_mkey);
61int mlx5_vdpa_create_tis(struct mlx5_vdpa_dev *mvdev, void *in, u32 *tisn);
62void mlx5_vdpa_destroy_tis(struct mlx5_vdpa_dev *mvdev, u32 tisn);
63int mlx5_vdpa_create_rqt(struct mlx5_vdpa_dev *mvdev, void *in, int inlen, u32 *rqtn);
64void mlx5_vdpa_destroy_rqt(struct mlx5_vdpa_dev *mvdev, u32 rqtn);
65int mlx5_vdpa_create_tir(struct mlx5_vdpa_dev *mvdev, void *in, u32 *tirn);
66void mlx5_vdpa_destroy_tir(struct mlx5_vdpa_dev *mvdev, u32 tirn);
67int mlx5_vdpa_alloc_transport_domain(struct mlx5_vdpa_dev *mvdev, u32 *tdn);
68void mlx5_vdpa_dealloc_transport_domain(struct mlx5_vdpa_dev *mvdev, u32 tdn);
69int mlx5_vdpa_alloc_resources(struct mlx5_vdpa_dev *mvdev);
70void mlx5_vdpa_free_resources(struct mlx5_vdpa_dev *mvdev);
71int mlx5_vdpa_create_mkey(struct mlx5_vdpa_dev *mvdev, struct mlx5_core_mkey *mkey, u32 *in,
72 int inlen);
73int mlx5_vdpa_destroy_mkey(struct mlx5_vdpa_dev *mvdev, struct mlx5_core_mkey *mkey);
74int mlx5_vdpa_handle_set_map(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb,
75 bool *change_map);
76int mlx5_vdpa_create_mr(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb);
77void mlx5_vdpa_destroy_mr(struct mlx5_vdpa_dev *mvdev);
78
79#define mlx5_vdpa_warn(__dev, format, ...) \
80 dev_warn((__dev)->mdev->device, "%s:%d:(pid %d) warning: " format, __func__, __LINE__, \
81 current->pid, ##__VA_ARGS__)
82
83#define mlx5_vdpa_info(__dev, format, ...) \
84 dev_info((__dev)->mdev->device, "%s:%d:(pid %d): " format, __func__, __LINE__, \
85 current->pid, ##__VA_ARGS__)
86
87#define mlx5_vdpa_dbg(__dev, format, ...) \
88 dev_debug((__dev)->mdev->device, "%s:%d:(pid %d): " format, __func__, __LINE__, \
89 current->pid, ##__VA_ARGS__)
90
91#endif /* __MLX5_VDPA_H__ */
1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2/* Copyright (c) 2020 Mellanox Technologies Ltd. */
3
4#ifndef __MLX5_VDPA_H__
5#define __MLX5_VDPA_H__
6
7#include <linux/vdpa.h>
8#include <linux/mlx5/driver.h>
9
10struct mlx5_vdpa_direct_mr {
11 u64 start;
12 u64 end;
13 u32 perm;
14 struct mlx5_core_mkey mr;
15 struct sg_table sg_head;
16 int log_size;
17 int nsg;
18 struct list_head list;
19 u64 offset;
20};
21
22struct mlx5_vdpa_mr {
23 struct mlx5_core_mkey mkey;
24
25 /* list of direct MRs descendants of this indirect mr */
26 struct list_head head;
27 unsigned long num_directs;
28 unsigned long num_klms;
29 bool initialized;
30
31 /* serialize mkey creation and destruction */
32 struct mutex mkey_mtx;
33};
34
35struct mlx5_vdpa_resources {
36 u32 pdn;
37 struct mlx5_uars_page *uar;
38 void __iomem *kick_addr;
39 u16 uid;
40 u32 null_mkey;
41 bool valid;
42};
43
44struct mlx5_vdpa_dev {
45 struct vdpa_device vdev;
46 struct mlx5_core_dev *mdev;
47 struct mlx5_vdpa_resources res;
48
49 u64 mlx_features;
50 u64 actual_features;
51 u8 status;
52 u32 max_vqs;
53 u32 generation;
54
55 struct mlx5_vdpa_mr mr;
56};
57
58int mlx5_vdpa_alloc_pd(struct mlx5_vdpa_dev *dev, u32 *pdn, u16 uid);
59int mlx5_vdpa_dealloc_pd(struct mlx5_vdpa_dev *dev, u32 pdn, u16 uid);
60int mlx5_vdpa_get_null_mkey(struct mlx5_vdpa_dev *dev, u32 *null_mkey);
61int mlx5_vdpa_create_tis(struct mlx5_vdpa_dev *mvdev, void *in, u32 *tisn);
62void mlx5_vdpa_destroy_tis(struct mlx5_vdpa_dev *mvdev, u32 tisn);
63int mlx5_vdpa_create_rqt(struct mlx5_vdpa_dev *mvdev, void *in, int inlen, u32 *rqtn);
64void mlx5_vdpa_destroy_rqt(struct mlx5_vdpa_dev *mvdev, u32 rqtn);
65int mlx5_vdpa_create_tir(struct mlx5_vdpa_dev *mvdev, void *in, u32 *tirn);
66void mlx5_vdpa_destroy_tir(struct mlx5_vdpa_dev *mvdev, u32 tirn);
67int mlx5_vdpa_alloc_transport_domain(struct mlx5_vdpa_dev *mvdev, u32 *tdn);
68void mlx5_vdpa_dealloc_transport_domain(struct mlx5_vdpa_dev *mvdev, u32 tdn);
69int mlx5_vdpa_alloc_resources(struct mlx5_vdpa_dev *mvdev);
70void mlx5_vdpa_free_resources(struct mlx5_vdpa_dev *mvdev);
71int mlx5_vdpa_create_mkey(struct mlx5_vdpa_dev *mvdev, struct mlx5_core_mkey *mkey, u32 *in,
72 int inlen);
73int mlx5_vdpa_destroy_mkey(struct mlx5_vdpa_dev *mvdev, struct mlx5_core_mkey *mkey);
74int mlx5_vdpa_handle_set_map(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb,
75 bool *change_map);
76int mlx5_vdpa_create_mr(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb);
77void mlx5_vdpa_destroy_mr(struct mlx5_vdpa_dev *mvdev);
78
79#define mlx5_vdpa_warn(__dev, format, ...) \
80 dev_warn((__dev)->mdev->device, "%s:%d:(pid %d) warning: " format, __func__, __LINE__, \
81 current->pid, ##__VA_ARGS__)
82
83#define mlx5_vdpa_info(__dev, format, ...) \
84 dev_info((__dev)->mdev->device, "%s:%d:(pid %d): " format, __func__, __LINE__, \
85 current->pid, ##__VA_ARGS__)
86
87#define mlx5_vdpa_dbg(__dev, format, ...) \
88 dev_debug((__dev)->mdev->device, "%s:%d:(pid %d): " format, __func__, __LINE__, \
89 current->pid, ##__VA_ARGS__)
90
91#endif /* __MLX5_VDPA_H__ */