Revision 91aa69315ef9a76b8f734438617a2e32812b630f authored by Linus Torvalds on 20 February 2007, 18:26:46 UTC, committed by Linus Torvalds on 20 February 2007, 18:26:46 UTC
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (21 commits) natsemi: Support Aculab E1/T1 PMXc cPCI carrier cards natsemi: Add support for using MII port with no PHY skge: race with workq and RTNL Replace local random function with random32() s2io: RTNL and flush_scheduled_work deadlock 8139too: RTNL and flush_scheduled_work deadlock sis190: RTNL and flush_scheduled_work deadlock r8169: RTNL and flush_scheduled_work deadlock [PATCH] ieee80211softmac: Fix setting of initial transmit rates [PATCH] bcm43xx: OFDM fix for rev 1 cards [PATCH] bcm43xx: Fix for 4311 and 02/07/07 specification changes [PATCH] prism54: correct assignment of DOT1XENABLE in WE-19 codepaths [PATCH] zd1211rw: Readd zd_addr_t cast [PATCH] bcm43xx: Fix for oops on resume [PATCH] bcm43xx: Ignore ampdu status reports [PATCH] wavelan: Use ARRAY_SIZE macro when appropriate [PATCH] hostap: Use ARRAY_SIZE macro when appropriate [PATCH] misc-wireless: Use ARRAY_SIZE macro when appropriate [PATCH] ipw2100: Use ARRAY_SIZE macro when appropriate [PATCH] bcm43xx: Janitorial change - remove two unused variables ...
mpmbox.h
/* $Id: mpmbox.h,v 1.4 1996/04/25 06:13:19 davem Exp $
* mpmbox.h: Interface and defines for the OpenProm mailbox
* facilities for MP machines under Linux.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_MPMBOX_H
#define _SPARC_MPMBOX_H
/* The prom allocates, for each CPU on the machine an unsigned
* byte in physical ram. You probe the device tree prom nodes
* for these values. The purpose of this byte is to be able to
* pass messages from one cpu to another.
*/
/* These are the main message types we have to look for in our
* Cpu mailboxes, based upon these values we decide what course
* of action to take.
*/
/* The CPU is executing code in the kernel. */
#define MAILBOX_ISRUNNING 0xf0
/* Another CPU called romvec->pv_exit(), you should call
* prom_stopcpu() when you see this in your mailbox.
*/
#define MAILBOX_EXIT 0xfb
/* Another CPU called romvec->pv_enter(), you should call
* prom_cpuidle() when this is seen.
*/
#define MAILBOX_GOSPIN 0xfc
/* Another CPU has hit a breakpoint either into kadb or the prom
* itself. Just like MAILBOX_GOSPIN, you should call prom_cpuidle()
* at this point.
*/
#define MAILBOX_BPT_SPIN 0xfd
/* Oh geese, some other nitwit got a damn watchdog reset. The party's
* over so go call prom_stopcpu().
*/
#define MAILBOX_WDOG_STOP 0xfe
#ifndef __ASSEMBLY__
/* Handy macro's to determine a cpu's state. */
/* Is the cpu still in Power On Self Test? */
#define MBOX_POST_P(letter) ((letter) >= 0x00 && (letter) <= 0x7f)
/* Is the cpu at the 'ok' prompt of the PROM? */
#define MBOX_PROMPROMPT_P(letter) ((letter) >= 0x80 && (letter) <= 0x8f)
/* Is the cpu spinning in the PROM? */
#define MBOX_PROMSPIN_P(letter) ((letter) >= 0x90 && (letter) <= 0xef)
/* Sanity check... This is junk mail, throw it out. */
#define MBOX_BOGON_P(letter) ((letter) >= 0xf1 && (letter) <= 0xfa)
/* Is the cpu actively running an application/kernel-code? */
#define MBOX_RUNNING_P(letter) ((letter) == MAILBOX_ISRUNNING)
#endif /* !(__ASSEMBLY__) */
#endif /* !(_SPARC_MPMBOX_H) */
![swh spinner](/static/img/swh-spinner.gif)
Computing file changes ...