%PDF- %PDF-
Mini Shell

Mini Shell

Direktori : /usr/src/blksnap-6.3.0.73/
Upload File :
Create Path :
Current File : //usr/src/blksnap-6.3.0.73/big_buffer.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __BLK_SNAP_BIG_BUFFER_H
#define __BLK_SNAP_BIG_BUFFER_H

#include <linux/mm.h>

struct big_buffer {
	size_t pg_cnt;
	u8 *pg[];
};

struct big_buffer *big_buffer_alloc(size_t count, int gfp_opt);
void big_buffer_free(struct big_buffer *bbuff);

size_t big_buffer_copy_to_user(char __user *dst_user_buffer, size_t offset,
			       struct big_buffer *bbuff, size_t length);
size_t big_buffer_copy_from_user(const char __user *src_user_buffer,
				 size_t offset, struct big_buffer *bbuff,
				 size_t length);

void *big_buffer_get_element(struct big_buffer *bbuff, size_t index,
			     size_t sizeof_element);

void big_buffer_memset(struct big_buffer *bbuff, int value);
void big_buffer_memcpy(struct big_buffer *dst, struct big_buffer *src);

int big_buffer_byte_get(struct big_buffer *bbuff, size_t inx, u8 *value);
int big_buffer_byte_set(struct big_buffer *bbuff, size_t inx, u8 value);
#endif /* __BLK_SNAP_BIG_BUFFER_H */

Zerion Mini Shell 1.0