freebsd-dev/sys/alpha/tlsb/tlsbvar.h
2000-01-29 16:40:17 +00:00

88 lines
3.0 KiB
C

/* $FreeBSD$ */
/* $NetBSD: tlsbvar.h,v 1.5 1998/05/13 23:23:23 thorpej Exp $ */
/*
* Copyright (c) 1997, 2000 by Matthew Jacob
* NASA AMES Research Center.
* All rights reserved.
*
* Based in part upon a prototype version by Jason Thorpe
* Copyright (c) 1996 by Jason Thorpe.
*
* 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 immediately at the beginning of the file, without modification,
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*/
/*
* Definitions for the TurboLaser System Bus found on
* AlphaServer 8200/8400 systems.
*/
enum tlsb_device_instvars {
TLSB_IVAR_NODE,
TLSB_IVAR_DTYPE,
TLSB_IVAR_SWREV,
TLSB_IVAR_HWREV
};
/*
* Simplified accessors for turbolaser devices
*/
#define TLSB_ACCESSOR(A, B, T) \
\
static __inline T tlsb_get_ ## A(device_t dev) \
{ \
u_long v; \
BUS_READ_IVAR(device_get_parent(dev), dev, TLSB_IVAR_ ## B, &v); \
return v; \
}
TLSB_ACCESSOR(node, NODE, int)
TLSB_ACCESSOR(dtype, DTYPE, u_int16_t)
TLSB_ACCESSOR(hwrev, HWREV, u_int8_t)
TLSB_ACCESSOR(swrev, SWREV, u_int8_t)
/*
* Bus-dependent structure for CPUs. This is dynamically allocated
* for each CPU on the TurboLaser, and glued into the cpu_softc
* as sc_busdep (when there is a cpu_softc to do this to).
*/
struct tlsb_cpu_busdep {
u_int8_t tcpu_vid; /* virtual ID of CPU */
int tcpu_node; /* TurboLaser node */
};
/*
* The structure used to attach devices to the TurboLaser.
*/
struct tlsb_device {
int td_node; /* node number (TLSB slot) */
u_int32_t td_tldev; /* tl device id */
};
#define DEVTOTLSB(dev) ((struct tlsb_device *) device_get_ivars(dev))
#ifdef _KERNEL
extern struct tlsb_device *tlsb_primary_cpu;
#endif