mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
cd6421ca76
CPU's structure.
88 lines
3.0 KiB
C
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
|