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/*
Direct Hardware Access kernel helper
(C) 2002 Alex Beregszaszi <alex@naxine.org>
(C) 2002-2003 Nick Kurshev <nickols_k@mail.ru>
*/
#ifndef DHAHELPER_H
#define DHAHELPER_H
/* #include <linux/ioctl.h> */
/* feel free to change */
#define DEFAULT_MAJOR 252 /* 240-254 LOCAL/EXPERIMENTAL USE */
#define API_VERSION 0x30 /* 3.0*/
typedef struct dhahelper_port_s
{
#define PORT_OP_READ 1
#define PORT_OP_WRITE 2
int operation;
int size;
int addr; // FIXME - switch to void* (64bit)
int value;
} dhahelper_port_t;
typedef struct dhahelper_mtrr_s
{
#define MTRR_OP_ADD 1
#define MTRR_OP_DEL 2
int operation;
long start;
long size;
int type;
int privat;
} dhahelper_mtrr_t;
typedef struct dhahelper_pci_config_s
{
#define PCI_OP_READ 0
#define PCI_OP_WRITE 1
int operation;
int bus;
int dev;
int func;
int cmd;
int size;
long ret;
} dhahelper_pci_config_t;
typedef struct dhahelper_vmi_s
{
void * virtaddr;
unsigned long length;
unsigned long *realaddr;
}dhahelper_vmi_t;
typedef struct dhahelper_mem_s
{
void * addr;
unsigned long length;
}dhahelper_mem_t;
typedef struct dhahelper_irq_s
{
unsigned num;
int bus, dev, func;
int ack_region;
unsigned long ack_offset;
unsigned int ack_data;
}dhahelper_irq_t;
typedef struct dhahelper_cpu_flush_s
{
void *va;
unsigned long length;
}dhahelper_cpu_flush_t;
typedef struct dhahelper_pci_device_s
{
int bus,card,func; /* PCI/AGP bus:card:func */
unsigned short vendor,device; /* Card vendor+device ID */
unsigned long base0,base1,base2,baserom; /* Memory and I/O base addresses */
unsigned long base3,base4,base5; /* Memory and I/O base addresses */
unsigned char irq,ipin,gnt,lat; /* assigned IRQ parameters for this card */
}dhahelper_pci_device_t;
#define DHAHELPER_GET_VERSION _IOW('D', 0, int)
#define DHAHELPER_PORT _IOWR('D', 1, dhahelper_port_t)
#define DHAHELPER_MTRR _IOWR('D', 2, dhahelper_mtrr_t)
#define DHAHELPER_PCI_CONFIG _IOWR('D', 3, dhahelper_pci_config_t)
#define DHAHELPER_VIRT_TO_PHYS _IOWR('D', 4, dhahelper_vmi_t)
#define DHAHELPER_VIRT_TO_BUS _IOWR('D', 5, dhahelper_vmi_t)
#define DHAHELPER_ALLOC_PA _IOWR('D', 6, dhahelper_mem_t)
#define DHAHELPER_FREE_PA _IOWR('D', 7, dhahelper_mem_t)
#define DHAHELPER_LOCK_MEM _IOWR('D', 8, dhahelper_mem_t)
#define DHAHELPER_UNLOCK_MEM _IOWR('D', 9, dhahelper_mem_t)
#define DHAHELPER_INSTALL_IRQ _IOWR('D', 10, dhahelper_irq_t)
#define DHAHELPER_ACK_IRQ _IOWR('D', 11, dhahelper_irq_t)
#define DHAHELPER_FREE_IRQ _IOWR('D', 12, dhahelper_irq_t)
#define DHAHELPER_CPU_FLUSH _IOWR('D', 13, dhahelper_cpu_flush_t)
#define DHAHELPER_PCI_FIND _IOWR('D', 14, dhahelper_pci_device_t)
#endif /* DHAHELPER_H */
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