udd.h

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#ifndef _COBALT_RTDM_UDD_H
#define _COBALT_RTDM_UDD_H

#include <linux/list.h>
#include <rtdm/driver.h>
#include <rtdm/uapi/udd.h>

#define UDD_IRQ_NONE     0

#define UDD_IRQ_CUSTOM   (-1)

#define UDD_MEM_NONE     0

#define UDD_MEM_PHYS     1

#define UDD_MEM_LOGICAL  2

#define UDD_MEM_VIRTUAL  3

#define UDD_NR_MAPS  5

struct udd_memregion {
        const char *name;
        unsigned long addr;
        size_t len;
        int type;
};

struct udd_device {
        const char *device_name;
        int device_flags;
        int device_subclass;
        struct {
                int (*open)(struct rtdm_fd *fd, int oflags);
                void (*close)(struct rtdm_fd *fd);
                int (*ioctl)(struct rtdm_fd *fd,
                             unsigned int request, void *arg);
                int (*mmap)(struct rtdm_fd *fd,
                            struct vm_area_struct *vma);
                int (*interrupt)(struct udd_device *udd);
        } ops;
        int irq;
        struct udd_memregion mem_regions[UDD_NR_MAPS];
        struct udd_reserved {
                rtdm_irq_t irqh;
                atomic_t event;
                struct udd_signotify signfy;
                struct rtdm_event pulse;
                struct rtdm_driver driver;
                struct rtdm_device device;
                struct rtdm_driver mapper_driver;
                struct udd_mapper {
                        struct udd_device *udd;
                        struct rtdm_device dev;
                } mapdev[UDD_NR_MAPS];
                char *mapper_name;
                int nr_maps;
        } __reserved;
};

int udd_register_device(struct udd_device *udd);

int udd_unregister_device(struct udd_device *udd);

struct udd_device *udd_get_device(struct rtdm_fd *fd);

void udd_notify_event(struct udd_device *udd);

void udd_enable_irq(struct udd_device *udd,
                    rtdm_event_t *done);

void udd_disable_irq(struct udd_device *udd,
                     rtdm_event_t *done);

#endif /* !_COBALT_RTDM_UDD_H */