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author | dfr <dfr@FreeBSD.org> | 2001-09-29 11:11:18 +0000 |
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committer | dfr <dfr@FreeBSD.org> | 2001-09-29 11:11:18 +0000 |
commit | 85a8a3eb9ca2c3a9e08e96dc7fde3f7f2f23748b (patch) | |
tree | 2b50704fdae0a14602ec1726ba98cfd3236b289f /sys/ia64/include/nexusvar.h | |
parent | 1e9172f76e2f13da21cd6f092ae4417fb48dc801 (diff) | |
download | FreeBSD-src-85a8a3eb9ca2c3a9e08e96dc7fde3f7f2f23748b.zip FreeBSD-src-85a8a3eb9ca2c3a9e08e96dc7fde3f7f2f23748b.tar.gz |
Start hooking up devices.
Diffstat (limited to 'sys/ia64/include/nexusvar.h')
-rw-r--r-- | sys/ia64/include/nexusvar.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/sys/ia64/include/nexusvar.h b/sys/ia64/include/nexusvar.h new file mode 100644 index 0000000..c9dcf1c --- /dev/null +++ b/sys/ia64/include/nexusvar.h @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _MACHINE_NEXUSVAR_H_ +#define _MACHINE_NEXUSVAR_H_ 1 + +enum nexus_device_ivars { + NEXUS_IVAR_PCIBUS +}; + +#define NEXUS_ACCESSOR(A, B, T) \ + \ +static __inline T nexus_get_ ## A(device_t dev) \ +{ \ + uintptr_t v; \ + BUS_READ_IVAR(device_get_parent(dev), dev, NEXUS_IVAR_ ## B, &v); \ + return (T) v; \ +} \ + \ +static __inline void nexus_set_ ## A(device_t dev, T t) \ +{ \ + uintptr_t v = (uintptr_t) t; \ + BUS_WRITE_IVAR(device_get_parent(dev), dev, NEXUS_IVAR_ ## B, v); \ +} + +NEXUS_ACCESSOR(pcibus, PCIBUS, u_int32_t) + +#undef NEXUS_ACCESSOR + +#endif /* !_MACHINE_NEXUSVAR_H_ */ |