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
|
/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
/* Copyright (c) 2023 Imagination Technologies Ltd. */
#ifndef PVR_VM_H
#define PVR_VM_H
#include "pvr_rogue_mmu_defs.h"
#include <uapi/drm/pvr_drm.h>
#include <linux/types.h>
/* Forward declaration from "pvr_device.h" */
struct pvr_device;
struct pvr_file;
/* Forward declaration from "pvr_gem.h" */
struct pvr_gem_object;
/* Forward declaration from "pvr_vm.c" */
struct pvr_vm_context;
/* Forward declaration from <uapi/drm/pvr_drm.h> */
struct drm_pvr_ioctl_get_heap_info_args;
/* Forward declaration from <drm/drm_exec.h> */
struct drm_exec;
/* Functions defined in pvr_vm.c */
bool pvr_device_addr_is_valid(u64 device_addr);
bool pvr_device_addr_and_size_are_valid(struct pvr_vm_context *vm_ctx,
u64 device_addr, u64 size);
struct pvr_vm_context *pvr_vm_create_context(struct pvr_device *pvr_dev,
bool is_userspace_context);
int pvr_vm_map(struct pvr_vm_context *vm_ctx,
struct pvr_gem_object *pvr_obj, u64 pvr_obj_offset,
u64 device_addr, u64 size);
int pvr_vm_unmap(struct pvr_vm_context *vm_ctx, u64 device_addr, u64 size);
dma_addr_t pvr_vm_get_page_table_root_addr(struct pvr_vm_context *vm_ctx);
struct dma_resv *pvr_vm_get_dma_resv(struct pvr_vm_context *vm_ctx);
int pvr_static_data_areas_get(const struct pvr_device *pvr_dev,
struct drm_pvr_ioctl_dev_query_args *args);
int pvr_heap_info_get(const struct pvr_device *pvr_dev,
struct drm_pvr_ioctl_dev_query_args *args);
const struct drm_pvr_heap *pvr_find_heap_containing(struct pvr_device *pvr_dev,
u64 addr, u64 size);
struct pvr_gem_object *pvr_vm_find_gem_object(struct pvr_vm_context *vm_ctx,
u64 device_addr,
u64 *mapped_offset_out,
u64 *mapped_size_out);
struct pvr_fw_object *
pvr_vm_get_fw_mem_context(struct pvr_vm_context *vm_ctx);
struct pvr_vm_context *pvr_vm_context_lookup(struct pvr_file *pvr_file, u32 handle);
struct pvr_vm_context *pvr_vm_context_get(struct pvr_vm_context *vm_ctx);
bool pvr_vm_context_put(struct pvr_vm_context *vm_ctx);
void pvr_destroy_vm_contexts_for_file(struct pvr_file *pvr_file);
#endif /* PVR_VM_H */
|
