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authorRichard Henderson <richard.henderson@linaro.org>2021-11-03 13:07:30 -0400
committerRichard Henderson <richard.henderson@linaro.org>2021-11-03 13:07:30 -0400
commitb1fd92137e4d485adeec8e9f292f928ff335b76c (patch)
treea313d04130309d9898fc07698096724c4b316386 /target/i386/machine.c
parentc55e3370c359713ff1e2a3392f36978c629c20c8 (diff)
parent16bfbc70f39e420b6b6cfe39ed8571606482b94a (diff)
downloadfocaccia-qemu-b1fd92137e4d485adeec8e9f292f928ff335b76c.tar.gz
focaccia-qemu-b1fd92137e4d485adeec8e9f292f928ff335b76c.zip
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* Build system fixes and cleanups
* DMA support in the multiboot option ROM
* Rename default-bus-bypass-iommu
* Deprecate -watchdog and cleanup -watchdog-action
* HVF fix for <PAGE_SIZE regions
* Support TSC scaling for AMD nested virtualization
* Fix for ESP fuzzing bug

# gpg: Signature made Tue 02 Nov 2021 10:57:37 AM EDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]

* remotes/bonzini/tags/for-upstream: (27 commits)
  configure: fix --audio-drv-list help message
  configure: Remove the check for the __thread keyword
  Move the l2tpv3 test from configure to meson.build
  meson: remove unnecessary coreaudio test program
  meson: remove pointless warnings
  meson.build: Allow to disable OSS again
  meson: bump submodule to 0.59.3
  qtest/am53c974-test: add test for cancelling in-flight requests
  esp: ensure in-flight SCSI requests are always cancelled
  KVM: SVM: add migration support for nested TSC scaling
  hw/i386: fix vmmouse registration
  watchdog: remove select_watchdog_action
  vl: deprecate -watchdog
  watchdog: add information from -watchdog help to -device help
  hw/i386: Rename default_bus_bypass_iommu
  hvf: Avoid mapping regions < PAGE_SIZE as ram
  configure: do not duplicate CPU_CFLAGS into QEMU_LDFLAGS
  configure: remove useless NPTL probe
  target/i386: use DMA-enabled multiboot ROM for new-enough QEMU machine types
  optionrom: add a DMA-enabled multiboot ROM
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/i386/machine.c')
-rw-r--r--target/i386/machine.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/target/i386/machine.c b/target/i386/machine.c
index 4367931623..83c2b91529 100644
--- a/target/i386/machine.c
+++ b/target/i386/machine.c
@@ -1280,6 +1280,27 @@ static const VMStateDescription vmstate_spec_ctrl = {
     }
 };
 
+
+static bool amd_tsc_scale_msr_needed(void *opaque)
+{
+    X86CPU *cpu = opaque;
+    CPUX86State *env = &cpu->env;
+
+    return (env->features[FEAT_SVM] & CPUID_SVM_TSCSCALE);
+}
+
+static const VMStateDescription amd_tsc_scale_msr_ctrl = {
+    .name = "cpu/amd_tsc_scale_msr",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .needed = amd_tsc_scale_msr_needed,
+    .fields = (VMStateField[]){
+        VMSTATE_UINT64(env.amd_tsc_scale_msr, X86CPU),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+
 static bool intel_pt_enable_needed(void *opaque)
 {
     X86CPU *cpu = opaque;
@@ -1558,6 +1579,7 @@ const VMStateDescription vmstate_x86_cpu = {
         &vmstate_pkru,
         &vmstate_pkrs,
         &vmstate_spec_ctrl,
+        &amd_tsc_scale_msr_ctrl,
         &vmstate_mcg_ext_ctl,
         &vmstate_msr_intel_pt,
         &vmstate_msr_virt_ssbd,