1/*
2 * Copyright (C) 2017-2019 Lyude Paul
3 * Copyright (C) 2017-2019 Alyssa Rosenzweig
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 */
25
26#ifndef __MMAP_TRACE_H__
27#define __MMAP_TRACE_H__
28
29#include <stdlib.h>
30#include <stddef.h>
31#include <panfrost-job.h>
32#include "util/list.h"
33
34struct pandecode_mapped_memory {
35        struct list_head node;
36
37        size_t length;
38
39        void *addr;
40        mali_ptr gpu_va;
41
42        char name[32];
43};
44
45char *pointer_as_memory_reference(mali_ptr ptr);
46
47struct pandecode_mapped_memory *pandecode_find_mapped_gpu_mem_containing(mali_ptr addr);
48
49static inline void *
50__pandecode_fetch_gpu_mem(const struct pandecode_mapped_memory *mem,
51                        mali_ptr gpu_va, size_t size,
52                        int line, const char *filename)
53{
54        if (!mem)
55                mem = pandecode_find_mapped_gpu_mem_containing(gpu_va);
56
57        assert(mem);
58        assert(size + (gpu_va - mem->gpu_va) <= mem->length);
59
60        return mem->addr + gpu_va - mem->gpu_va;
61}
62
63#define pandecode_fetch_gpu_mem(mem, gpu_va, size) \
64	__pandecode_fetch_gpu_mem(mem, gpu_va, size, __LINE__, __FILE__)
65
66/* Returns a validated pointer to mapped GPU memory with the given pointer type,
67 * size automatically determined from the pointer type
68 */
69#define PANDECODE_PTR(mem, gpu_va, type) \
70	((type*)(__pandecode_fetch_gpu_mem(mem, gpu_va, sizeof(type), \
71					 __LINE__, __FILE__)))
72
73/* Usage: <variable type> PANDECODE_PTR_VAR(name, mem, gpu_va) */
74#define PANDECODE_PTR_VAR(name, mem, gpu_va) \
75	name = __pandecode_fetch_gpu_mem(mem, gpu_va, sizeof(*name), \
76				       __LINE__, __FILE__)
77
78#endif /* __MMAP_TRACE_H__ */
79