Date: Thu, 29 Oct 2009 14:34:02 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r198589 - in stable/7/sys: . amd64/amd64 amd64/include conf contrib/pf i386/i386 i386/include Message-ID: <200910291434.n9TEY2Sj099334@svn.freebsd.org>
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Author: jhb Date: Thu Oct 29 14:34:02 2009 New Revision: 198589 URL: http://svn.freebsd.org/changeset/base/198589 Log: MFC 192050, 192343, 192440: Implement simple machine check support for amd64 and i386. It is disabled by default but can be enabled via the 'hw.mca.enabled' tunable. Added: stable/7/sys/amd64/amd64/mca.c - copied, changed from r192050, head/sys/amd64/amd64/mca.c stable/7/sys/amd64/include/mca.h - copied unchanged from r192050, head/sys/amd64/include/mca.h stable/7/sys/i386/i386/mca.c - copied, changed from r192050, head/sys/i386/i386/mca.c stable/7/sys/i386/include/mca.h - copied unchanged from r192050, head/sys/i386/include/mca.h Modified: stable/7/sys/ (props changed) stable/7/sys/amd64/amd64/machdep.c stable/7/sys/amd64/amd64/mp_machdep.c stable/7/sys/amd64/amd64/trap.c stable/7/sys/amd64/include/specialreg.h stable/7/sys/conf/files.amd64 stable/7/sys/conf/files.i386 stable/7/sys/contrib/pf/ (props changed) stable/7/sys/i386/i386/machdep.c stable/7/sys/i386/i386/mp_machdep.c stable/7/sys/i386/i386/trap.c stable/7/sys/i386/include/specialreg.h Modified: stable/7/sys/amd64/amd64/machdep.c ============================================================================== --- stable/7/sys/amd64/amd64/machdep.c Thu Oct 29 14:22:09 2009 (r198588) +++ stable/7/sys/amd64/amd64/machdep.c Thu Oct 29 14:34:02 2009 (r198589) @@ -109,6 +109,7 @@ __FBSDID("$FreeBSD$"); #include <machine/cpu.h> #include <machine/cputypes.h> #include <machine/intr_machdep.h> +#include <machine/mca.h> #include <machine/md_var.h> #include <machine/metadata.h> #include <machine/pc/bios.h> @@ -261,6 +262,7 @@ cpu_startup(dummy) vm_pager_bufferinit(); cpu_setregs(); + mca_init(); } /* Copied and modified: stable/7/sys/amd64/amd64/mca.c (from r192050, head/sys/amd64/amd64/mca.c) ============================================================================== --- head/sys/amd64/amd64/mca.c Wed May 13 17:53:04 2009 (r192050, copy source) +++ stable/7/sys/amd64/amd64/mca.c Thu Oct 29 14:34:02 2009 (r198589) @@ -55,10 +55,15 @@ struct mca_internal { static MALLOC_DEFINE(M_MCA, "MCA", "Machine Check Architecture"); -static struct sysctl_oid *mca_sysctl_tree; - static int mca_count; /* Number of records stored. */ +SYSCTL_NODE(_hw, OID_AUTO, mca, CTLFLAG_RD, NULL, "Machine Check Architecture"); + +static int mca_enabled = 0; +TUNABLE_INT("hw.mca.enabled", &mca_enabled); +SYSCTL_INT(_hw_mca, OID_AUTO, enabled, CTLFLAG_RDTUN, &mca_enabled, 0, + "Administrative toggle for machine check support"); + static STAILQ_HEAD(, mca_internal) mca_records; static struct callout mca_timer; static int mca_ticks = 3600; /* Check hourly by default. */ @@ -346,7 +351,7 @@ mca_scan(int mcip) /* When handling a MCE#, treat the OVER flag as non-restartable. */ if (mcip) - ucmask = MC_STATUS_OVER; + ucmask |= MC_STATUS_OVER; mcg_cap = rdmsr(MSR_MCG_CAP); for (i = 0; i < (mcg_cap & MCG_CAP_COUNT); i++) { rec = mca_record_entry(i); @@ -426,7 +431,7 @@ static void mca_startup(void *dummy) { - if (!(cpu_feature & CPUID_MCA)) + if (!mca_enabled || !(cpu_feature & CPUID_MCA)) return; callout_reset(&mca_timer, mca_ticks * hz, mca_periodic_scan, @@ -442,17 +447,15 @@ mca_setup(void) STAILQ_INIT(&mca_records); TASK_INIT(&mca_task, 0x8000, mca_scan_cpus, NULL); callout_init(&mca_timer, CALLOUT_MPSAFE); - mca_sysctl_tree = SYSCTL_ADD_NODE(NULL, SYSCTL_STATIC_CHILDREN(_hw), - OID_AUTO, "mca", CTLFLAG_RW, NULL, "MCA container"); - SYSCTL_ADD_INT(NULL, SYSCTL_CHILDREN(mca_sysctl_tree), OID_AUTO, + SYSCTL_ADD_INT(NULL, SYSCTL_STATIC_CHILDREN(_hw_mca), OID_AUTO, "count", CTLFLAG_RD, &mca_count, 0, "Record count"); - SYSCTL_ADD_PROC(NULL, SYSCTL_CHILDREN(mca_sysctl_tree), OID_AUTO, + SYSCTL_ADD_PROC(NULL, SYSCTL_STATIC_CHILDREN(_hw_mca), OID_AUTO, "interval", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, &mca_ticks, 0, sysctl_mca_ticks, "I", "Periodic interval in seconds to scan for machine checks"); - SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(mca_sysctl_tree), OID_AUTO, + SYSCTL_ADD_NODE(NULL, SYSCTL_STATIC_CHILDREN(_hw_mca), OID_AUTO, "records", CTLFLAG_RD, sysctl_mca_records, "Machine check records"); - SYSCTL_ADD_PROC(NULL, SYSCTL_CHILDREN(mca_sysctl_tree), OID_AUTO, + SYSCTL_ADD_PROC(NULL, SYSCTL_STATIC_CHILDREN(_hw_mca), OID_AUTO, "force_scan", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, 0, sysctl_mca_scan, "I", "Force an immediate scan for machine checks"); } @@ -465,7 +468,7 @@ mca_init(void) int i; /* MCE is required. */ - if (!(cpu_feature & CPUID_MCE)) + if (!mca_enabled || !(cpu_feature & CPUID_MCE)) return; if (cpu_feature & CPUID_MCA) { @@ -488,10 +491,6 @@ mca_init(void) if (!(i == 0 && (cpu_id & 0xf00) == 0x600)) wrmsr(MSR_MC_CTL(i), 0xffffffffffffffffUL); - /* XXX: Better CPU test needed here. */ - if ((cpu_id & 0xf00) == 0xf00) - mca_record_entry(i); - /* Clear all errors. */ wrmsr(MSR_MC_STATUS(i), 0); } Modified: stable/7/sys/amd64/amd64/mp_machdep.c ============================================================================== --- stable/7/sys/amd64/amd64/mp_machdep.c Thu Oct 29 14:22:09 2009 (r198588) +++ stable/7/sys/amd64/amd64/mp_machdep.c Thu Oct 29 14:34:02 2009 (r198589) @@ -58,6 +58,7 @@ __FBSDID("$FreeBSD$"); #include <machine/apicreg.h> #include <machine/cputypes.h> +#include <machine/mca.h> #include <machine/md_var.h> #include <machine/mp_watchdog.h> #include <machine/pcb.h> @@ -562,6 +563,8 @@ init_secondary(void) KASSERT(PCPU_GET(idlethread) != NULL, ("no idle thread")); PCPU_SET(curthread, PCPU_GET(idlethread)); + mca_init(); + mtx_lock_spin(&ap_boot_mtx); /* Init local apic for irq's */ Modified: stable/7/sys/amd64/amd64/trap.c ============================================================================== --- stable/7/sys/amd64/amd64/trap.c Thu Oct 29 14:22:09 2009 (r198588) +++ stable/7/sys/amd64/amd64/trap.c Thu Oct 29 14:34:02 2009 (r198589) @@ -89,6 +89,7 @@ __FBSDID("$FreeBSD$"); #include <machine/cpu.h> #include <machine/intr_machdep.h> +#include <machine/mca.h> #include <machine/md_var.h> #include <machine/pcb.h> #ifdef SMP @@ -228,6 +229,12 @@ trap(struct trapframe *frame) goto out; #endif + if (type == T_MCHK) { + if (!mca_intr()) + trap_fatal(frame, 0); + goto out; + } + #ifdef KDTRACE_HOOKS /* * A trap can occur while DTrace executes a probe. Before Copied: stable/7/sys/amd64/include/mca.h (from r192050, head/sys/amd64/include/mca.h) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ stable/7/sys/amd64/include/mca.h Thu Oct 29 14:34:02 2009 (r198589, copy of r192050, head/sys/amd64/include/mca.h) @@ -0,0 +1,48 @@ +/*- + * Copyright (c) 2009 Advanced Computing Technologies LLC + * Written by: John H. Baldwin <jhb@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_MCA_H__ +#define __MACHINE_MCA_H__ + +struct mca_record { + uint64_t mr_status; + uint64_t mr_addr; + uint64_t mr_misc; + uint64_t mr_tsc; + int mr_apic_id; +}; + +#ifdef _KERNEL + +void mca_init(void); +int mca_intr(void); + +#endif + +#endif /* !__MACHINE_MCA_H__ */ Modified: stable/7/sys/amd64/include/specialreg.h ============================================================================== --- stable/7/sys/amd64/include/specialreg.h Thu Oct 29 14:22:09 2009 (r198588) +++ stable/7/sys/amd64/include/specialreg.h Thu Oct 29 14:34:02 2009 (r198589) @@ -339,6 +339,34 @@ #define DIR1 0xff /* + * Machine Check register constants. + */ +#define MCG_CAP_COUNT 0x000000ff +#define MCG_CAP_CTL_P 0x00000100 +#define MCG_CAP_EXT_P 0x00000200 +#define MCG_CAP_TES_P 0x00000800 +#define MCG_CAP_EXT_CNT 0x00ff0000 +#define MCG_STATUS_RIPV 0x00000001 +#define MCG_STATUS_EIPV 0x00000002 +#define MCG_STATUS_MCIP 0x00000004 +#define MCG_CTL_ENABLE 0xffffffffffffffffUL +#define MCG_CTL_DISABLE 0x0000000000000000UL +#define MSR_MC_CTL(x) (MSR_MC0_CTL + (x) * 4) +#define MSR_MC_STATUS(x) (MSR_MC0_STATUS + (x) * 4) +#define MSR_MC_ADDR(x) (MSR_MC0_ADDR + (x) * 4) +#define MSR_MC_MISC(x) (MSR_MC0_MISC + (x) * 4) +#define MC_STATUS_MCA_ERROR 0x000000000000ffffUL +#define MC_STATUS_MODEL_ERROR 0x00000000ffff0000UL +#define MC_STATUS_OTHER_INFO 0x01ffffff00000000UL +#define MC_STATUS_PCC 0x0200000000000000UL +#define MC_STATUS_ADDRV 0x0400000000000000UL +#define MC_STATUS_MISCV 0x0800000000000000UL +#define MC_STATUS_EN 0x1000000000000000UL +#define MC_STATUS_UC 0x2000000000000000UL +#define MC_STATUS_OVER 0x4000000000000000UL +#define MC_STATUS_VAL 0x8000000000000000UL + +/* * The following four 3-byte registers control the non-cacheable regions. * These registers must be written as three separate bytes. * Modified: stable/7/sys/conf/files.amd64 ============================================================================== --- stable/7/sys/conf/files.amd64 Thu Oct 29 14:22:09 2009 (r198588) +++ stable/7/sys/conf/files.amd64 Thu Oct 29 14:34:02 2009 (r198589) @@ -99,6 +99,7 @@ amd64/amd64/legacy.c standard amd64/amd64/local_apic.c standard amd64/amd64/locore.S standard no-obj amd64/amd64/machdep.c standard +amd64/amd64/mca.c standard amd64/amd64/mem.c optional mem amd64/amd64/minidump_machdep.c standard amd64/amd64/mp_machdep.c optional smp Modified: stable/7/sys/conf/files.i386 ============================================================================== --- stable/7/sys/conf/files.i386 Thu Oct 29 14:22:09 2009 (r198588) +++ stable/7/sys/conf/files.i386 Thu Oct 29 14:34:02 2009 (r198589) @@ -282,6 +282,7 @@ i386/i386/local_apic.c optional apic i386/i386/locore.s standard no-obj i386/i386/longrun.c optional cpu_enable_longrun i386/i386/machdep.c standard +i386/i386/mca.c standard i386/i386/mem.c optional mem i386/i386/minidump_machdep.c standard i386/i386/mp_clock.c optional smp Modified: stable/7/sys/i386/i386/machdep.c ============================================================================== --- stable/7/sys/i386/i386/machdep.c Thu Oct 29 14:22:09 2009 (r198588) +++ stable/7/sys/i386/i386/machdep.c Thu Oct 29 14:34:02 2009 (r198589) @@ -114,6 +114,7 @@ __FBSDID("$FreeBSD$"); #include <machine/cpu.h> #include <machine/cputypes.h> #include <machine/intr_machdep.h> +#include <machine/mca.h> #include <machine/md_var.h> #include <machine/metadata.h> #include <machine/pc/bios.h> @@ -290,6 +291,7 @@ cpu_startup(dummy) vm_pager_bufferinit(); cpu_setregs(); + mca_init(); } /* Copied and modified: stable/7/sys/i386/i386/mca.c (from r192050, head/sys/i386/i386/mca.c) ============================================================================== --- head/sys/i386/i386/mca.c Wed May 13 17:53:04 2009 (r192050, copy source) +++ stable/7/sys/i386/i386/mca.c Thu Oct 29 14:34:02 2009 (r198589) @@ -55,10 +55,15 @@ struct mca_internal { static MALLOC_DEFINE(M_MCA, "MCA", "Machine Check Architecture"); -static struct sysctl_oid *mca_sysctl_tree; - static int mca_count; /* Number of records stored. */ +SYSCTL_NODE(_hw, OID_AUTO, mca, CTLFLAG_RD, NULL, "Machine Check Architecture"); + +static int mca_enabled = 0; +TUNABLE_INT("hw.mca.enabled", &mca_enabled); +SYSCTL_INT(_hw_mca, OID_AUTO, enabled, CTLFLAG_RDTUN, &mca_enabled, 0, + "Administrative toggle for machine check support"); + static STAILQ_HEAD(, mca_internal) mca_records; static struct callout mca_timer; static int mca_ticks = 3600; /* Check hourly by default. */ @@ -346,7 +351,7 @@ mca_scan(int mcip) /* When handling a MCE#, treat the OVER flag as non-restartable. */ if (mcip) - ucmask = MC_STATUS_OVER; + ucmask |= MC_STATUS_OVER; mcg_cap = rdmsr(MSR_MCG_CAP); for (i = 0; i < (mcg_cap & MCG_CAP_COUNT); i++) { rec = mca_record_entry(i); @@ -426,7 +431,7 @@ static void mca_startup(void *dummy) { - if (!(cpu_feature & CPUID_MCA)) + if (!mca_enabled || !(cpu_feature & CPUID_MCA)) return; callout_reset(&mca_timer, mca_ticks * hz, mca_periodic_scan, @@ -442,17 +447,15 @@ mca_setup(void) STAILQ_INIT(&mca_records); TASK_INIT(&mca_task, 0x8000, mca_scan_cpus, NULL); callout_init(&mca_timer, CALLOUT_MPSAFE); - mca_sysctl_tree = SYSCTL_ADD_NODE(NULL, SYSCTL_STATIC_CHILDREN(_hw), - OID_AUTO, "mca", CTLFLAG_RW, NULL, "MCA container"); - SYSCTL_ADD_INT(NULL, SYSCTL_CHILDREN(mca_sysctl_tree), OID_AUTO, + SYSCTL_ADD_INT(NULL, SYSCTL_STATIC_CHILDREN(_hw_mca), OID_AUTO, "count", CTLFLAG_RD, &mca_count, 0, "Record count"); - SYSCTL_ADD_PROC(NULL, SYSCTL_CHILDREN(mca_sysctl_tree), OID_AUTO, + SYSCTL_ADD_PROC(NULL, SYSCTL_STATIC_CHILDREN(_hw_mca), OID_AUTO, "interval", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, &mca_ticks, 0, sysctl_mca_ticks, "I", "Periodic interval in seconds to scan for machine checks"); - SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(mca_sysctl_tree), OID_AUTO, + SYSCTL_ADD_NODE(NULL, SYSCTL_STATIC_CHILDREN(_hw_mca), OID_AUTO, "records", CTLFLAG_RD, sysctl_mca_records, "Machine check records"); - SYSCTL_ADD_PROC(NULL, SYSCTL_CHILDREN(mca_sysctl_tree), OID_AUTO, + SYSCTL_ADD_PROC(NULL, SYSCTL_STATIC_CHILDREN(_hw_mca), OID_AUTO, "force_scan", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, 0, sysctl_mca_scan, "I", "Force an immediate scan for machine checks"); } @@ -465,7 +468,7 @@ mca_init(void) int i; /* MCE is required. */ - if (!(cpu_feature & CPUID_MCE)) + if (!mca_enabled || !(cpu_feature & CPUID_MCE)) return; if (cpu_feature & CPUID_MCA) { @@ -488,10 +491,6 @@ mca_init(void) if (!(i == 0 && (cpu_id & 0xf00) == 0x600)) wrmsr(MSR_MC_CTL(i), 0xffffffffffffffffUL); - /* XXX: Better CPU test needed here. */ - if ((cpu_id & 0xf00) == 0xf00) - mca_record_entry(i); - /* Clear all errors. */ wrmsr(MSR_MC_STATUS(i), 0); } Modified: stable/7/sys/i386/i386/mp_machdep.c ============================================================================== --- stable/7/sys/i386/i386/mp_machdep.c Thu Oct 29 14:22:09 2009 (r198588) +++ stable/7/sys/i386/i386/mp_machdep.c Thu Oct 29 14:34:02 2009 (r198589) @@ -73,6 +73,7 @@ __FBSDID("$FreeBSD$"); #include <machine/apicreg.h> #include <machine/cputypes.h> +#include <machine/mca.h> #include <machine/md_var.h> #include <machine/mp_watchdog.h> #include <machine/pcb.h> @@ -612,6 +613,8 @@ init_secondary(void) KASSERT(PCPU_GET(idlethread) != NULL, ("no idle thread")); PCPU_SET(curthread, PCPU_GET(idlethread)); + mca_init(); + mtx_lock_spin(&ap_boot_mtx); /* Init local apic for irq's */ Modified: stable/7/sys/i386/i386/trap.c ============================================================================== --- stable/7/sys/i386/i386/trap.c Thu Oct 29 14:22:09 2009 (r198588) +++ stable/7/sys/i386/i386/trap.c Thu Oct 29 14:34:02 2009 (r198589) @@ -90,6 +90,7 @@ __FBSDID("$FreeBSD$"); #include <machine/cpu.h> #include <machine/intr_machdep.h> +#include <machine/mca.h> #include <machine/md_var.h> #include <machine/pcb.h> #ifdef SMP @@ -242,6 +243,12 @@ trap(struct trapframe *frame) goto out; #endif + if (type == T_MCHK) { + if (!mca_intr()) + trap_fatal(frame, 0); + goto out; + } + #ifdef KDTRACE_HOOKS /* * A trap can occur while DTrace executes a probe. Before Copied: stable/7/sys/i386/include/mca.h (from r192050, head/sys/i386/include/mca.h) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ stable/7/sys/i386/include/mca.h Thu Oct 29 14:34:02 2009 (r198589, copy of r192050, head/sys/i386/include/mca.h) @@ -0,0 +1,48 @@ +/*- + * Copyright (c) 2009 Advanced Computing Technologies LLC + * Written by: John H. Baldwin <jhb@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_MCA_H__ +#define __MACHINE_MCA_H__ + +struct mca_record { + uint64_t mr_status; + uint64_t mr_addr; + uint64_t mr_misc; + uint64_t mr_tsc; + int mr_apic_id; +}; + +#ifdef _KERNEL + +void mca_init(void); +int mca_intr(void); + +#endif + +#endif /* !__MACHINE_MCA_H__ */ Modified: stable/7/sys/i386/include/specialreg.h ============================================================================== --- stable/7/sys/i386/include/specialreg.h Thu Oct 29 14:22:09 2009 (r198588) +++ stable/7/sys/i386/include/specialreg.h Thu Oct 29 14:34:02 2009 (r198589) @@ -408,6 +408,34 @@ #define DIR1 0xff /* + * Machine Check register constants. + */ +#define MCG_CAP_COUNT 0x000000ff +#define MCG_CAP_CTL_P 0x00000100 +#define MCG_CAP_EXT_P 0x00000200 +#define MCG_CAP_TES_P 0x00000800 +#define MCG_CAP_EXT_CNT 0x00ff0000 +#define MCG_STATUS_RIPV 0x00000001 +#define MCG_STATUS_EIPV 0x00000002 +#define MCG_STATUS_MCIP 0x00000004 +#define MCG_CTL_ENABLE 0xffffffffffffffffUL +#define MCG_CTL_DISABLE 0x0000000000000000UL +#define MSR_MC_CTL(x) (MSR_MC0_CTL + (x) * 4) +#define MSR_MC_STATUS(x) (MSR_MC0_STATUS + (x) * 4) +#define MSR_MC_ADDR(x) (MSR_MC0_ADDR + (x) * 4) +#define MSR_MC_MISC(x) (MSR_MC0_MISC + (x) * 4) +#define MC_STATUS_MCA_ERROR 0x000000000000ffffUL +#define MC_STATUS_MODEL_ERROR 0x00000000ffff0000UL +#define MC_STATUS_OTHER_INFO 0x01ffffff00000000UL +#define MC_STATUS_PCC 0x0200000000000000UL +#define MC_STATUS_ADDRV 0x0400000000000000UL +#define MC_STATUS_MISCV 0x0800000000000000UL +#define MC_STATUS_EN 0x1000000000000000UL +#define MC_STATUS_UC 0x2000000000000000UL +#define MC_STATUS_OVER 0x4000000000000000UL +#define MC_STATUS_VAL 0x8000000000000000UL + +/* * The following four 3-byte registers control the non-cacheable regions. * These registers must be written as three separate bytes. *
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