diff options
| author | Sheng Yang <sheng.yang@intel.com> | 2008-04-25 04:20:22 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-05-04 13:44:34 +0200 |
| commit | 67253af52e9133fb4cfbf7a2448a2d3524d1fa6c (patch) | |
| tree | 5098624f90989a3844bb1b494658ea400d629b1f /arch | |
| parent | KVM: MMU: Move some definitions to a header file (diff) | |
| download | linux-67253af52e9133fb4cfbf7a2448a2d3524d1fa6c.tar.xz linux-67253af52e9133fb4cfbf7a2448a2d3524d1fa6c.zip | |
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')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 4 | ||||
| -rw-r--r-- | arch/x86/kvm/mmu.h | 6 | ||||
| -rw-r--r-- | arch/x86/kvm/svm.c | 10 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.c | 6 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.h | 1 |
5 files changed, 19 insertions, 8 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index bcfaf7e4a2dc..20fb3c852db7 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1343,7 +1343,7 @@ static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, spin_lock(&vcpu->kvm->mmu_lock); kvm_mmu_free_some_pages(vcpu); r = __direct_map(vcpu, gpa, error_code & PFERR_WRITE_MASK, - largepage, gfn, pfn, TDP_ROOT_LEVEL); + largepage, gfn, pfn, kvm_x86_ops->get_tdp_level()); spin_unlock(&vcpu->kvm->mmu_lock); return r; @@ -1450,7 +1450,7 @@ static int init_kvm_tdp_mmu(struct kvm_vcpu *vcpu) context->page_fault = tdp_page_fault; context->free = nonpaging_free; context->prefetch_page = nonpaging_prefetch_page; - context->shadow_root_level = TDP_ROOT_LEVEL; + context->shadow_root_level = kvm_x86_ops->get_tdp_level(); context->root_hpa = INVALID_PAGE; if (!is_paging(vcpu)) { 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 |