vme_user.h

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#ifndef _VME_USER_H_
#define _VME_USER_H_

#define VME_USER_BUS_MAX    1

/*
 * VMEbus Master Window Configuration Structure
 */
struct vme_master {
    int enable;         /* State of Window */
    unsigned long long vme_addr;    /* Starting Address on the VMEbus */
    unsigned long long size;    /* Window Size */
    u32 aspace;         /* Address Space */
    u32 cycle;      /* Cycle properties */
    u32 dwidth;     /* Maximum Data Width */
#if 0
    char prefetchEnable;        /* Prefetch Read Enable State */
    int prefetchSize;       /* Prefetch Read Size (Cache Lines) */
    char wrPostEnable;      /* Write Post State */
#endif
};


/*
 * IOCTL Commands and structures
 */

/* Magic number for use in ioctls */
#define VME_IOC_MAGIC 0xAE


/* VMEbus Slave Window Configuration Structure */
struct vme_slave {
    int enable;         /* State of Window */
    unsigned long long vme_addr;    /* Starting Address on the VMEbus */
    unsigned long long size;    /* Window Size */
    u32 aspace;         /* Address Space */
    u32 cycle;      /* Cycle properties */
#if 0
    char wrPostEnable;      /* Write Post State */
    char rmwLock;           /* Lock PCI during RMW Cycles */
    char data64BitCapable;      /* non-VMEbus capable of 64-bit Data */
#endif
};

struct vme_irq_id {
    __u8 level;
    __u8 statid;
};

#define VME_GET_SLAVE _IOR(VME_IOC_MAGIC, 1, struct vme_slave)
#define VME_SET_SLAVE _IOW(VME_IOC_MAGIC, 2, struct vme_slave)
#define VME_GET_MASTER _IOR(VME_IOC_MAGIC, 3, struct vme_master)
#define VME_SET_MASTER _IOW(VME_IOC_MAGIC, 4, struct vme_master)
#define VME_IRQ_GEN _IOW(VME_IOC_MAGIC, 5, struct vme_irq_id)

#endif /* _VME_USER_H_ */