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authorMaxim Levitsky <mlevitsk@redhat.com>2022-03-22 19:24:46 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2022-04-02 05:37:25 -0400
commitbb2aa78e9a90769993d8cefd9920f81355853a98 (patch)
treea632e367552bd753239cb2be84e45510463c54f0
parent0dacc3df898e219fa774f39e5e10d686364e0a27 (diff)
downloadlinux-bb2aa78e9a90769993d8cefd9920f81355853a98.tar.bz2
KVM: x86: SVM: move tsc ratio definitions to svm.h
Another piece of SVM spec which should be in the header file Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20220322172449.235575-6-mlevitsk@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--arch/x86/include/asm/svm.h6
-rw-r--r--arch/x86/kvm/svm/svm.c15
2 files changed, 11 insertions, 10 deletions
diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index ab572d8def2b..f70a5108d464 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -221,6 +221,12 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
#define SVM_NESTED_CTL_SEV_ES_ENABLE BIT(2)
+#define SVM_TSC_RATIO_RSVD 0xffffff0000000000ULL
+#define SVM_TSC_RATIO_MIN 0x0000000000000001ULL
+#define SVM_TSC_RATIO_MAX 0x000000ffffffffffULL
+#define SVM_TSC_RATIO_DEFAULT 0x0100000000ULL
+
+
/* AVIC */
#define AVIC_LOGICAL_ID_ENTRY_GUEST_PHYSICAL_ID_MASK (0xFFULL)
#define AVIC_LOGICAL_ID_ENTRY_VALID_BIT 31
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index e42586aff5c4..3b8d82a9832c 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -72,10 +72,6 @@ MODULE_DEVICE_TABLE(x86cpu, svm_cpu_id);
#define DEBUGCTL_RESERVED_BITS (~(0x3fULL))
-#define TSC_RATIO_RSVD 0xffffff0000000000ULL
-#define TSC_RATIO_MIN 0x0000000000000001ULL
-#define TSC_RATIO_MAX 0x000000ffffffffffULL
-
static bool erratum_383_found __read_mostly;
u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly;
@@ -87,7 +83,6 @@ u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly;
static uint64_t osvw_len = 4, osvw_status;
static DEFINE_PER_CPU(u64, current_tsc_ratio);
-#define TSC_RATIO_DEFAULT 0x0100000000ULL
static const struct svm_direct_access_msrs {
u32 index; /* Index of the MSR */
@@ -480,7 +475,7 @@ static void svm_hardware_disable(void)
{
/* Make sure we clean up behind us */
if (tsc_scaling)
- wrmsrl(MSR_AMD64_TSC_RATIO, TSC_RATIO_DEFAULT);
+ wrmsrl(MSR_AMD64_TSC_RATIO, SVM_TSC_RATIO_DEFAULT);
cpu_svm_disable();
@@ -526,8 +521,8 @@ static int svm_hardware_enable(void)
* Set the default value, even if we don't use TSC scaling
* to avoid having stale value in the msr
*/
- wrmsrl(MSR_AMD64_TSC_RATIO, TSC_RATIO_DEFAULT);
- __this_cpu_write(current_tsc_ratio, TSC_RATIO_DEFAULT);
+ wrmsrl(MSR_AMD64_TSC_RATIO, SVM_TSC_RATIO_DEFAULT);
+ __this_cpu_write(current_tsc_ratio, SVM_TSC_RATIO_DEFAULT);
}
@@ -2723,7 +2718,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr)
break;
}
- if (data & TSC_RATIO_RSVD)
+ if (data & SVM_TSC_RATIO_RSVD)
return 1;
svm->tsc_ratio_msr = data;
@@ -4765,7 +4760,7 @@ static __init int svm_hardware_setup(void)
} else {
pr_info("TSC scaling supported\n");
kvm_has_tsc_control = true;
- kvm_max_tsc_scaling_ratio = TSC_RATIO_MAX;
+ kvm_max_tsc_scaling_ratio = SVM_TSC_RATIO_MAX;
kvm_tsc_scaling_ratio_frac_bits = 32;
}
}