1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/* SPDX-License-Identifier: MIT
*
* Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
*/
#ifndef __NVIF_CHAN_H__
#define __NVIF_CHAN_H__
#include "push.h"
struct nvif_chan {
const struct nvif_chan_func {
struct {
u32 (*read_get)(struct nvif_chan *);
} push;
struct {
u32 (*read_get)(struct nvif_chan *);
void (*push)(struct nvif_chan *, bool main, u64 addr, u32 size,
bool no_prefetch);
void (*kick)(struct nvif_chan *);
int (*post)(struct nvif_chan *, u32 gpptr, u32 pbptr);
u32 post_size;
} gpfifo;
struct {
int (*release)(struct nvif_chan *, u64 addr, u32 data);
} sem;
} *func;
struct {
struct nvif_map map;
} userd;
struct {
struct nvif_map map;
u32 cur;
u32 max;
int free;
} gpfifo;
struct {
struct nvif_map map;
u64 addr;
} sema;
struct nvif_push push;
struct nvif_user *usermode;
u32 doorbell_token;
};
int nvif_chan_dma_wait(struct nvif_chan *, u32 push_nr);
void nvif_chan_gpfifo_ctor(const struct nvif_chan_func *, void *userd, void *gpfifo, u32 gpfifo_size,
void *push, u64 push_addr, u32 push_size, struct nvif_chan *);
int nvif_chan_gpfifo_wait(struct nvif_chan *, u32 gpfifo_nr, u32 push_nr);
void nvif_chan_gpfifo_push(struct nvif_chan *, u64 addr, u32 size, bool no_prefetch);
int nvif_chan_gpfifo_post(struct nvif_chan *);
void nvif_chan506f_gpfifo_push(struct nvif_chan *, bool main, u64 addr, u32 size, bool no_prefetch);
void nvif_chan506f_gpfifo_kick(struct nvif_chan *);
int nvif_chan906f_ctor_(const struct nvif_chan_func *, void *userd, void *gpfifo, u32 gpfifo_size,
void *push, u64 push_addr, u32 push_size, void *sema, u64 sema_addr,
struct nvif_chan *);
u32 nvif_chan906f_read_get(struct nvif_chan *);
u32 nvif_chan906f_gpfifo_read_get(struct nvif_chan *);
int nvif_chan906f_gpfifo_post(struct nvif_chan *, u32 gpptr, u32 pbptr);
int nvif_chan506f_ctor(struct nvif_chan *, void *userd, void *gpfifo, u32 gpfifo_size,
void *push, u64 push_addr, u32 push_size);
int nvif_chan906f_ctor(struct nvif_chan *, void *userd, void *gpfifo, u32 gpfifo_size,
void *push, u64 push_addr, u32 push_size, void *sema, u64 sema_addr);
int nvif_chanc36f_ctor(struct nvif_chan *, void *userd, void *gpfifo, u32 gpfifo_size,
void *push, u64 push_addr, u32 push_size, void *sema, u64 sema_addr,
struct nvif_user *usermode, u32 doorbell_token);
#endif
|
