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
|
/*
*
* (C) COPYRIGHT 2010, 2012-2013 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU licence.
*
* A copy of the licence is included with the program, and can also be obtained
* from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
/**
* @file mali_kbase_mem_linux.h
* Base kernel memory APIs, Linux implementation.
*/
#ifndef _KBASE_MEM_LINUX_H_
#define _KBASE_MEM_LINUX_H_
/* This define is used by the gator kernel module compile to select which DDK
* API calling convention to use. If not defined (legacy DDK) gator assumes
* version 1. The version to DDK release mapping is:
* Version 1 API: DDK versions r1px, r2px
* Version 2 API: DDK versions r3px and newer
**/
#define MALI_DDK_GATOR_API_VERSION 2
/** A HWC dump mapping */
typedef struct kbase_hwc_dma_mapping {
void * cpu_va;
dma_addr_t dma_pa;
size_t size;
} kbase_hwc_dma_mapping;
struct kbase_va_region *kbase_pmem_alloc(kbase_context *kctx, u32 size, u32 flags, u16 * const pmem_cookie);
int kbase_mmap(struct file *file, struct vm_area_struct *vma);
/** @brief Allocate memory from kernel space and map it onto the GPU
*
* @param kctx The context used for the allocation/mapping
* @param size The size of the allocation in bytes
* @param handle An opaque structure used to contain the state needed to free the memory
* @return the VA for kernel space and GPU MMU
*/
void * kbase_va_alloc(kbase_context *kctx, u32 size, kbase_hwc_dma_mapping * handle);
/** @brief Free/unmap memory allocated by kbase_va_alloc
*
* @param kctx The context used for the allocation/mapping
* @param handle An opaque structure returned by the kbase_va_alloc function.
*/
void kbase_va_free(kbase_context *kctx, kbase_hwc_dma_mapping * handle);
#endif /* _KBASE_MEM_LINUX_H_ */
|
