From: Haozhong Zhang <haozhong.zhang@intel.com>
To: xen-devel@lists.xen.org
Cc: Haozhong Zhang <haozhong.zhang@intel.com>,
Jan Beulich <jbeulich@suse.com>,
Andrew Cooper <andrew.cooper3@citrix.com>
Subject: [PATCH v2 10/12] xen/mce: add support of vLMCE injection to XEN_MC_inject_v2
Date: Fri, 17 Mar 2017 14:46:12 +0800 [thread overview]
Message-ID: <20170317064614.23539-11-haozhong.zhang@intel.com> (raw)
In-Reply-To: <20170317064614.23539-1-haozhong.zhang@intel.com>
Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
---
Cc: Jan Beulich <jbeulich@suse.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Changes in v2:
* Remove the unnecessary local variable "cpu_nr".
---
xen/arch/x86/cpu/mcheck/mce.c | 15 +++++++++++++++
xen/include/public/arch-x86/xen-mca.h | 1 +
2 files changed, 16 insertions(+)
diff --git a/xen/arch/x86/cpu/mcheck/mce.c b/xen/arch/x86/cpu/mcheck/mce.c
index 20ab678..e7c681b 100644
--- a/xen/arch/x86/cpu/mcheck/mce.c
+++ b/xen/arch/x86/cpu/mcheck/mce.c
@@ -1546,6 +1546,21 @@ long do_mca(XEN_GUEST_HANDLE_PARAM(xen_mc_t) u_xen_mc)
}
break;
+ case XEN_MC_INJECT_TYPE_LMCE:
+ if ( !lmce_support )
+ {
+ ret = x86_mcerr("No LMCE support in platform", -EINVAL);
+ break;
+ }
+ /* Ensure at most one CPU is specified. */
+ if ( nr_cpu_ids > cpumask_next(cpumask_first(cpumap), cpumap) )
+ {
+ ret = x86_mcerr("More than one CPU specified", -EINVAL);
+ break;
+ }
+ on_selected_cpus(cpumap, x86_mc_mceinject, NULL, 1);
+ break;
+
default:
ret = x86_mcerr("Wrong mca type\n", -EINVAL);
break;
diff --git a/xen/include/public/arch-x86/xen-mca.h b/xen/include/public/arch-x86/xen-mca.h
index 7db9907..dc35267 100644
--- a/xen/include/public/arch-x86/xen-mca.h
+++ b/xen/include/public/arch-x86/xen-mca.h
@@ -414,6 +414,7 @@ struct xen_mc_mceinject {
#define XEN_MC_INJECT_TYPE_MASK 0x7
#define XEN_MC_INJECT_TYPE_MCE 0x0
#define XEN_MC_INJECT_TYPE_CMCI 0x1
+#define XEN_MC_INJECT_TYPE_LMCE 0x2
#define XEN_MC_INJECT_CPU_BROADCAST 0x8
--
2.10.1
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next prev parent reply other threads:[~2017-03-17 6:46 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-17 6:46 [PATCH v2 00/12] Add LMCE support Haozhong Zhang
2017-03-17 6:46 ` [PATCH v2 01/12] xen/mce: switch bool_t/1/0 to bool/true/false Haozhong Zhang
2017-03-20 13:04 ` Jan Beulich
2017-03-17 6:46 ` [PATCH v2 02/12] x86/mce_intel: refine messages of MCA capabilities Haozhong Zhang
2017-03-20 13:10 ` Jan Beulich
2017-03-17 6:46 ` [PATCH v2 03/12] xen/mce: add blank lines between non-fall-through switch case blocks Haozhong Zhang
2017-03-20 13:12 ` Jan Beulich
2017-03-17 6:46 ` [PATCH v2 04/12] x86/mce: handle LMCE locally Haozhong Zhang
2017-03-20 14:24 ` Jan Beulich
2017-03-21 7:04 ` Haozhong Zhang
2017-03-17 6:46 ` [PATCH v2 05/12] x86/mce_intel: detect and enable LMCE on Intel host Haozhong Zhang
2017-03-20 14:30 ` Jan Beulich
2017-03-21 7:06 ` Haozhong Zhang
2017-03-21 8:05 ` Jan Beulich
2017-03-17 6:46 ` [PATCH v2 06/12] x86/vmx: expose LMCE feature via guest MSR_IA32_FEATURE_CONTROL Haozhong Zhang
2017-03-20 16:10 ` Jan Beulich
2017-03-17 6:46 ` [PATCH v2 07/12] x86/vmce: emulate MSR_IA32_MCG_EXT_CTL Haozhong Zhang
2017-03-20 16:17 ` Jan Beulich
2017-03-17 6:46 ` [PATCH v2 08/12] x86/vmce: enable injecting LMCE to guest on Intel host Haozhong Zhang
2017-03-20 16:25 ` Jan Beulich
2017-03-22 9:19 ` Haozhong Zhang
2017-03-17 6:46 ` [PATCH v2 09/12] x86/vmce, tools/libxl: expose LMCE capability in guest MSR_IA32_MCG_CAP Haozhong Zhang
2017-03-20 16:33 ` Jan Beulich
2017-03-21 7:14 ` Haozhong Zhang
2017-03-20 18:27 ` Ian Jackson
2017-03-21 7:29 ` Haozhong Zhang
2017-03-21 7:35 ` Haozhong Zhang
2017-03-21 9:30 ` Jan Beulich
2017-03-27 15:34 ` Wei Liu
2017-03-17 6:46 ` Haozhong Zhang [this message]
2017-03-20 16:37 ` [PATCH v2 10/12] xen/mce: add support of vLMCE injection to XEN_MC_inject_v2 Jan Beulich
2017-03-17 6:46 ` [PATCH v2 11/12] tools/libxc: add support of injecting MC# to specified CPUs Haozhong Zhang
2017-03-28 14:07 ` Wei Liu
2017-03-17 6:46 ` [PATCH v2 12/12] tools/xen-mceinj: add support of injecting LMCE Haozhong Zhang
2017-03-28 14:08 ` Wei Liu
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