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Use the new MSR IPI handlers to make it work properly with SMP.

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This commit is contained in:
xtraeme 2007-03-20 21:13:06 +00:00
parent b803090b66
commit 4b852b5e23
1 changed files with 18 additions and 2 deletions
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20
sys/arch/x86/x86/powernow_k8.c
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@ -1,4 +1,4 @@
/* $NetBSD: powernow_k8.c,v 1.13 2007/03/18 14:30:54 xtraeme Exp $ */
/* $NetBSD: powernow_k8.c,v 1.14 2007/03/20 21:13:06 xtraeme Exp $ */
/* $OpenBSD: powernow-k8.c,v 1.8 2006/06/16 05:58:50 gwk Exp $ */
/*-
@ -66,7 +66,7 @@
/* AMD POWERNOW K8 driver */
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: powernow_k8.c,v 1.13 2007/03/18 14:30:54 xtraeme Exp $");
__KERNEL_RCSID(0, "$NetBSD: powernow_k8.c,v 1.14 2007/03/20 21:13:06 xtraeme Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -75,6 +75,7 @@ __KERNEL_RCSID(0, "$NetBSD: powernow_k8.c,v 1.13 2007/03/18 14:30:54 xtraeme Exp
#include <sys/sysctl.h>
#include <sys/once.h>
#include <x86/cpu_msr.h>
#include <x86/powernow.h>
#include <dev/isa/isareg.h>
@ -84,6 +85,20 @@ __KERNEL_RCSID(0, "$NetBSD: powernow_k8.c,v 1.13 2007/03/18 14:30:54 xtraeme Exp
#include <machine/cpufunc.h>
#include <machine/bus.h>
/*
* Overwrite our previous WRITE_FIDVID macro with the one used by
* the msr_cpu_broadcast framework, which will work in UP and SMP.
*/
#undef WRITE_FIDVID
#define WRITE_FIDVID(fid, vid, ctrl) \
mcb.msr_mask = ((ctrl) << 32); \
mcb.msr_value = ((1ULL << 16) | ((vid) << 8) | (fid)); \
mcb.msr_type = MSR_AMDK7_FIDVID_CTL; \
if (msr_cpu_broadcast(&mcb, MSR_CPU_BROADCAST_WRITE)) { \
DPRINTF(("%s: failed\n", __func__)); \
return EINVAL; \
}
#ifdef _LKM
static struct sysctllog *sysctllog;
#define SYSCTLLOG &sysctllog
@ -151,6 +166,7 @@ k8_powernow_setperf(unsigned int freq)
int cfid, cvid, fid = 0, vid = 0;
int rvo;
struct powernow_cpu_state *ccstate;
struct msr_cpu_broadcast mcb;
/*
* We dont do a k8pnow_read_pending_wait here, need to ensure that the