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/*
Direct Hardware Access kernel helper
(C) 2002 Alex Beregszaszi <alex@fsn.hu>
*/
#ifndef DHAHELPER_H
#define DHAHELPER_H
#include <linux/ioctl.h>
/* feel free to change */
#define DEFAULT_MAJOR 180
#define API_VERSION 0x1
typedef struct dhahelper_port_s
{
#define PORT_OP_READ 1
#define PORT_OP_WRITE 2
int operation;
int size;
int addr;
int value;
} dhahelper_port_t;
typedef struct dhahelper_memory_s
{
#define MEMORY_OP_MAP 1
#define MEMORY_OP_UNMAP 2
int operation;
int start;
int offset;
int size;
int ret;
#define MEMORY_FLAG_NOCACHE 1
int flags;
} dhahelper_memory_t;
typedef struct dhahelper_mtrr_s
{
#define MTRR_OP_ADD 1
#define MTRR_OP_DEL 2
int operation;
int start;
int size;
int type;
} dhahelper_mtrr_t;
typedef struct dhahelper_pci_s
{
#define PCI_OP_READ 1
#define PCI_OP_WRITE 1
int operation;
int bus;
int dev;
int func;
int cmd;
int size;
int ret;
} dhahelper_pci_t;
#define DHAHELPER_GET_VERSION _IOW('D', 0, int)
#define DHAHELPER_PORT _IOWR('D', 1, dhahelper_port_t)
#define DHAHELPER_MEMORY _IOWR('D', 2, dhahelper_memory_t)
#define DHAHELPER_MTRR _IOWR('D', 3, dhahelper_mtrr_t)
#define DHAHELPER_PCI _IOWR('D', 4, dhahelper_pci_t)
#endif /* DHAHELPER_H */
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