NetBSD/sys/arch/pmax/ibus/ibusvar.h
jonathan d4a24f85d6 Support shared Decstation 3100 and Decsystem 5100 baseboard devices
using a virtual "ibus" for  baseboard devices.
1998-04-19 02:52:45 +00:00

55 lines
1.4 KiB
C

/* $NetBSD: ibusvar.h,v 1.1 1998/04/19 02:52:45 jonathan Exp $ */
#ifndef __IBUSVAR_H
#define __IBUSVAR_H
void config_ibus __P((struct device *mb, void *,
int printfn __P((void *, const char *)) )); /* XXX */
/*
* function types for interrupt establish/diestablish
*/
struct ibus_attach_args;
typedef (ibus_intr_establish_t) __P((void * cookie, int level,
int (*handler) __P((intr_arg_t)), intr_arg_t arg));
typedef (ibus_intr_disestablish_t) __P((struct ibus_attach_args *));
/*
* Arguments used to attach a ibus "device" to its parent
*/
struct ibus_dev_attach_args {
const char *ibd_busname; /* XXX should be common */
#ifdef notyet
bus_space_tag_t iba_memt;
#endif
ibus_intr_establish_t (*ibd_establish);
ibus_intr_disestablish_t (*ibd_disestablish);
int ibd_ndevs;
struct ibus_attach_args *ibd_devs;
};
/*
* Arguments used to attach devices to an ibus
*/
struct ibus_attach_args {
char *ia_name; /* Device name. */
int ia_slot; /* Device slot (table entry). */
tc_addr_t ia_addr; /* Device address. */
int ia_cookie; /* Device interrupt "priority" */
};
/*
* interrrupt estalish functions.
* These call up to system-specific code to
* recompute spl levels.
*/
void ibus_intr_establish __P((void * cookie, int level,
int (*handler) __P((intr_arg_t)), intr_arg_t arg));
void ibus_intr_disestablish __P((struct ibus_attach_args *));
int ibusprint __P((void *aux, const char *pnp));
#endif /* __IBUSVAR_H */