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authorSheng Yang <sheng.yang@intel.com>2008-04-25 10:20:22 +0800
committerAvi Kivity <avi@qumranet.com>2008-04-28 12:18:29 +0300
commita6a35a8ee0be5dd4281e2876263679f0ec101b57 (patch)
tree58d64a17847dbc71ced5758e158d46a4c00c4924 /arch/x86
parent5fad90c5ba557f4a2a5f165419a4529eafbc66b7 (diff)
KVM: Add kvm_x86_ops get_tdp_level()
The function get_tdp_level() provided the number of tdp level for EPT and NPT rather than the NPT specific macro. Signed-off-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kvm/mmu.h6
-rw-r--r--arch/x86/kvm/svm.c10
-rw-r--r--arch/x86/kvm/vmx.c6
-rw-r--r--arch/x86/kvm/vmx.h1
4 files changed, 17 insertions, 6 deletions
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h
index a4fcb78ebf42..1730757bbc7a 100644
--- a/arch/x86/kvm/mmu.h
+++ b/arch/x86/kvm/mmu.h
@@ -3,12 +3,6 @@
#include <linux/kvm_host.h>
-#ifdef CONFIG_X86_64
-#define TDP_ROOT_LEVEL PT64_ROOT_LEVEL
-#else
-#define TDP_ROOT_LEVEL PT32E_ROOT_LEVEL
-#endif
-
#define PT64_PT_BITS 9
#define PT64_ENT_PER_PAGE (1 << PT64_PT_BITS)
#define PT32_PT_BITS 10
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 89e0be2c10d0..ab22615eee89 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1863,6 +1863,15 @@ static bool svm_cpu_has_accelerated_tpr(void)
return false;
}
+static int get_npt_level(void)
+{
+#ifdef CONFIG_X86_64
+ return PT64_ROOT_LEVEL;
+#else
+ return PT32E_ROOT_LEVEL;
+#endif
+}
+
static struct kvm_x86_ops svm_x86_ops = {
.cpu_has_kvm_support = has_svm,
.disabled_by_bios = is_disabled,
@@ -1920,6 +1929,7 @@ static struct kvm_x86_ops svm_x86_ops = {
.inject_pending_vectors = do_interrupt_requests,
.set_tss_addr = svm_set_tss_addr,
+ .get_tdp_level = get_npt_level,
};
static int __init svm_init(void)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index d93250d11caa..98e4f2b036de 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2788,6 +2788,11 @@ static void __init vmx_check_processor_compat(void *rtn)
}
}
+static int get_ept_level(void)
+{
+ return VMX_EPT_DEFAULT_GAW + 1;
+}
+
static struct kvm_x86_ops vmx_x86_ops = {
.cpu_has_kvm_support = cpu_has_kvm_support,
.disabled_by_bios = vmx_disabled_by_bios,
@@ -2844,6 +2849,7 @@ static struct kvm_x86_ops vmx_x86_ops = {
.inject_pending_vectors = do_interrupt_requests,
.set_tss_addr = vmx_set_tss_addr,
+ .get_tdp_level = get_ept_level,
};
static int __init vmx_init(void)
diff --git a/arch/x86/kvm/vmx.h b/arch/x86/kvm/vmx.h
index 5f7fdc965d39..093b085daf6a 100644
--- a/arch/x86/kvm/vmx.h
+++ b/arch/x86/kvm/vmx.h
@@ -351,5 +351,6 @@ enum vmcs_field {
#define VMX_EPT_EXTENT_INDIVIDUAL_BIT (1ull << 24)
#define VMX_EPT_EXTENT_CONTEXT_BIT (1ull << 25)
#define VMX_EPT_EXTENT_GLOBAL_BIT (1ull << 26)
+#define VMX_EPT_DEFAULT_GAW 3
#endif