48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
|
#ifndef _LINUX_BINDER_ASHMEM_H
|
||
|
|
#define _LINUX_BINDER_ASHMEM_H
|
||
|
|
|
||
|
|
#include <linux/file.h>
|
||
|
|
|
||
|
|
#define BINDER_CONFIG_HUAWEI_ASHMEM _IOR('b', 100, struct binder_ashmem_config)
|
||
|
|
#define BINDER_ASHMEM_MAGIC_CODE (0x48774173686d656d)
|
||
|
|
#define BINDER_ASHMEM_COMPLETE (0x434f4d504c455445)
|
||
|
|
#define BINDER_ASHMEM_ERROR (0x4173684572726F72)
|
||
|
|
|
||
|
|
#define BINDER_ASHMEM_SWITCH_ON (1)
|
||
|
|
#define BINDER_ASHMEM_SWITCH_OFF (0)
|
||
|
|
#define BINDER_ASHMEM_SWITCH_UNKNOWN (-1)
|
||
|
|
|
||
|
|
#define BINDER_ASHMEM_INVALID_FD (-1)
|
||
|
|
|
||
|
|
struct binder_ashmem_header {
|
||
|
|
uint64_t magic; /* Magic code for ashmem feature */
|
||
|
|
uint16_t header_size; /* Size of this header struct */
|
||
|
|
int16_t fd; /* File descriptor of ashmem */
|
||
|
|
uint32_t size; /* Size of the ashmem */
|
||
|
|
uint64_t start_addr; /* Compatible with 32bit process */
|
||
|
|
uint32_t data_size; /* Size of data in ashmem */
|
||
|
|
uint32_t buffer_size; /* Size of buffer for hwbinder */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct binder_ashmem_config {
|
||
|
|
int switch_status;
|
||
|
|
unsigned int max_ashmem_size;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct binder_ashmem {
|
||
|
|
struct file *file;
|
||
|
|
struct file *vm_file;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct binder_alloc;
|
||
|
|
struct binder_buffer;
|
||
|
|
|
||
|
|
void binder_ashmem_translate(struct binder_buffer *buffer);
|
||
|
|
int binder_ashmem_map(struct binder_alloc *alloc,
|
||
|
|
struct binder_buffer *buffer);
|
||
|
|
void binder_ashmem_unmap(struct binder_alloc *alloc,
|
||
|
|
struct binder_buffer *buffer);
|
||
|
|
void binder_ashmem_recycle(struct binder_buffer *buffer);
|
||
|
|
int binder_ashmem_config(struct binder_alloc *alloc, unsigned long arg);
|
||
|
|
#endif /* _LINUX_BINDER_ASHMEM_H */
|