csz_user.h

[詳解]

/**************************************************************************/
#include <sys/types.h>
#include <stdint.h>
#include <linux/ioctl.h>

#define DEVICE_IOC_MAGIC 'c' 

#define CSZ_REG_ADDR_W      _IOW(DEVICE_IOC_MAGIC, 0, uint32_t) 
#define CSZ_REG_ADDR_R      _IOR(DEVICE_IOC_MAGIC, 1, uint32_t) 
#define CSZ_WRITE_VALUE     _IOW(DEVICE_IOC_MAGIC, 2, uint32_t) 
#define CSZ_READ_VALUE      _IOR(DEVICE_IOC_MAGIC, 3, uint32_t) 
#define CSZ_SET_READ_PTR    _IOW(DEVICE_IOC_MAGIC, 4, uint32_t) 
#define CSZ_SET_WRITE_PTR   _IOW(DEVICE_IOC_MAGIC, 5, uint32_t) 
#define CSZ_SET_CUR         _IOW(DEVICE_IOC_MAGIC, 6, uint32_t) 
#define CSZ_GET_CUR         _IOW(DEVICE_IOC_MAGIC, 7, uint32_t) 
#define CSZ_GET_VERSION     _IOR(DEVICE_IOC_MAGIC, 8, uint32_t) 
#define CSZ_GET_MEM_RANGE   _IOR(DEVICE_IOC_MAGIC, 9, uint32_t) 
#define CSZ_COPY_TO_USER    _IOW(DEVICE_IOC_MAGIC, 16, uint32_t) 
#define CSZ_TEST_CMD        _IOWR(DEVICE_IOC_MAGIC, 10, uint32_t) 

typedef struct memcpyinfo
{
    uint32_t offset; 
    void     *buf; 
    int      count; 
    int      result; 
} memcpyinfo;

typedef struct regvalue
{
    int reg; 
    int value; 
} regvalue;

typedef struct memrange
{
    uint32_t phys_addr_base; 
    uint32_t phys_addr_size; 
    uint32_t *vaddr; 
} memrange;