/* $NetBSD: bus_user.h,v 1.2 2016/01/24 16:47:50 christos Exp $ */ /* * XXX This file is a stopgap intended to keep NetBSD/alpha buildable * XXX while developers figure out whether/how to expose to userland * XXX the bus_space(9) and pci(9) facilities used by libalpha (which * XXX is used by X11). * XXX * XXX Do NOT add new definitions to this file. */ #ifndef _ALPHA_BUS_USER_H_ #define _ALPHA_BUS_USER_H_ #include <sys/types.h> /* * Addresses (in bus space). */ typedef u_long bus_addr_t; typedef u_long bus_size_t; /* * Translation of an Alpha bus address; INTERNAL USE ONLY. */ struct alpha_bus_space_translation { bus_addr_t abst_bus_start; /* start of bus window */ bus_addr_t abst_bus_end; /* end of bus window */ __paddr_t abst_sys_start; /* start of sysBus window */ __paddr_t abst_sys_end; /* end of sysBus window */ int abst_addr_shift;/* address shift */ int abst_size_shift;/* size shift */ int abst_flags; /* flags; see below */ }; #define ABST_BWX 0x01 /* use BWX to access the bus */ #define ABST_DENSE 0x02 /* space is dense */ #define BUS_SPACE_MAP_LINEAR 0x02 #define BUS_SPACE_MAP_PREFETCHABLE 0x04 #endif /* _ALPHA_BUS_USER_H_ */ |