[04/35] Add "broadcast" option for mce command

Commit Message

Marcelo Tosatti Jan. 6, 2011, 5:56 p.m. UTC

None

Patch

diff --git a/cpu-all.h b/cpu-all.h
index 30ae17d..4ce4e83 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -964,6 +964,7 @@  int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
                         uint8_t *buf, int len, int is_write);
 
 void cpu_inject_x86_mce(CPUState *cenv, int bank, uint64_t status,
-                        uint64_t mcg_status, uint64_t addr, uint64_t misc);
+                        uint64_t mcg_status, uint64_t addr, uint64_t misc,
+                        int broadcast);
 
 #endif /* CPU_ALL_H */
diff --git a/hmp-commands.hx b/hmp-commands.hx
index df134f8..c82fb10 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1091,9 +1091,9 @@  ETEXI
 
     {
         .name       = "mce",
-        .args_type  = "cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l",
-        .params     = "cpu bank status mcgstatus addr misc",
-        .help       = "inject a MCE on the given CPU",
+        .args_type  = "broadcast:-b,cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l",
+        .params     = "[-b] cpu bank status mcgstatus addr misc",
+        .help       = "inject a MCE on the given CPU [and broadcast to other CPUs with -b option]",
         .mhandler.cmd = do_inject_mce,
     },
 
diff --git a/monitor.c b/monitor.c
index f258000..f4f624b 100644
--- a/monitor.c
+++ b/monitor.c
@@ -2671,12 +2671,15 @@  static void do_inject_mce(Monitor *mon, const QDict *qdict)
     uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
     uint64_t addr = qdict_get_int(qdict, "addr");
     uint64_t misc = qdict_get_int(qdict, "misc");
+    int broadcast = qdict_get_try_bool(qdict, "broadcast", 0);
 
-    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
+    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu) {
         if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
-            cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
+            cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc,
+                               broadcast);
             break;
         }
+    }
 }
 #endif
 
diff --git a/target-i386/helper.c b/target-i386/helper.c
index 2c94130..2cfb4a4 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -1069,18 +1069,34 @@  static void qemu_inject_x86_mce(CPUState *cenv, int bank, uint64_t status,
 }
 
 void cpu_inject_x86_mce(CPUState *cenv, int bank, uint64_t status,
-                        uint64_t mcg_status, uint64_t addr, uint64_t misc)
+                        uint64_t mcg_status, uint64_t addr, uint64_t misc,
+                        int broadcast)
 {
     unsigned bank_num = cenv->mcg_cap & 0xff;
+    CPUState *env;
+    int flag = 0;
 
     if (bank >= bank_num || !(status & MCI_STATUS_VAL)) {
         return;
     }
 
     if (kvm_enabled()) {
-        kvm_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc, 0);
+        if (broadcast) {
+            flag |= MCE_BROADCAST;
+        }
+
+        kvm_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc, flag);
     } else {
         qemu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
+        if (broadcast) {
+            for (env = first_cpu; env != NULL; env = env->next_cpu) {
+                if (cenv == env) {
+                    continue;
+                }
+
+                qemu_inject_x86_mce(env, 1, 0xa000000000000000, 0, 0, 0);
+            }
+        }
     }
 }
 #endif /* !CONFIG_USER_ONLY */
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 4004de7..8b868ad 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -264,11 +264,13 @@  static void kvm_do_inject_x86_mce(void *_data)
         }
     }
 }
+
+static void kvm_mce_broadcast_rest(CPUState *env);
 #endif
 
 void kvm_inject_x86_mce(CPUState *cenv, int bank, uint64_t status,
                         uint64_t mcg_status, uint64_t addr, uint64_t misc,
-                        int abort_on_error)
+                        int flag)
 {
 #ifdef KVM_CAP_MCE
     struct kvm_x86_mce mce = {
@@ -288,10 +290,15 @@  void kvm_inject_x86_mce(CPUState *cenv, int bank, uint64_t status,
         return;
     }
 
+    if (flag & MCE_BROADCAST) {
+        kvm_mce_broadcast_rest(cenv);
+    }
+
     run_on_cpu(cenv, kvm_do_inject_x86_mce, &data);
 #else
-    if (abort_on_error)
+    if (flag & ABORT_ON_ERROR) {
         abort();
+    }
 #endif
 }
 
@@ -1716,7 +1723,8 @@  static void kvm_mce_broadcast_rest(CPUState *env)
                 continue;
             }
             kvm_inject_x86_mce(cenv, 1, MCI_STATUS_VAL | MCI_STATUS_UC,
-                               MCG_STATUS_MCIP | MCG_STATUS_RIPV, 0, 0, 1);
+                               MCG_STATUS_MCIP | MCG_STATUS_RIPV, 0, 0,
+                               ABORT_ON_ERROR);
         }
     }
 }
@@ -1816,7 +1824,7 @@  int kvm_on_sigbus(int code, void *addr)
             | 0xc0;
         kvm_inject_x86_mce(first_cpu, 9, status,
                            MCG_STATUS_MCIP | MCG_STATUS_RIPV, paddr,
-                           (MCM_ADDR_PHYS << 6) | 0xc, 1);
+                           (MCM_ADDR_PHYS << 6) | 0xc, ABORT_ON_ERROR);
         kvm_mce_broadcast_rest(first_cpu);
     } else
 #endif
diff --git a/target-i386/kvm_x86.h b/target-i386/kvm_x86.h
index 04932cf..9d7b584 100644
--- a/target-i386/kvm_x86.h
+++ b/target-i386/kvm_x86.h
@@ -15,8 +15,11 @@ 
 #ifndef __KVM_X86_H__
 #define __KVM_X86_H__
 
+#define ABORT_ON_ERROR  0x01
+#define MCE_BROADCAST   0x02
+
 void kvm_inject_x86_mce(CPUState *cenv, int bank, uint64_t status,
                         uint64_t mcg_status, uint64_t addr, uint64_t misc,
-                        int abort_on_error);
+                        int flag);
 
 #endif