diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2022-11-01 15:54:20 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-11-21 12:41:22 +0100 |
| commit | 2dc458b8622182ac4d89de793c548cf04f632801 (patch) | |
| tree | fe44f1c2cb2d8935903a80d7dcb435d331c09a1b /tools/testing/selftests/kvm/lib/x86_64/hyperv.c | |
| parent | KVM: selftests: Split off load_evmcs() from load_vmcs() (diff) | |
| download | linux-2dc458b8622182ac4d89de793c548cf04f632801.tar.xz linux-2dc458b8622182ac4d89de793c548cf04f632801.zip | |
KVM: selftests: Create a vendor independent helper to allocate Hyper-V specific test pages
There's no need to pollute VMX and SVM code with Hyper-V specific
stuff and allocate Hyper-V specific test pages for all test as only
few really need them. Create a dedicated struct and an allocation
helper.
Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221101145426.251680-43-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing/selftests/kvm/lib/x86_64/hyperv.c')
| -rw-r--r-- | tools/testing/selftests/kvm/lib/x86_64/hyperv.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/lib/x86_64/hyperv.c b/tools/testing/selftests/kvm/lib/x86_64/hyperv.c index 32dc0afd9e5b..a2fc083c65ef 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/hyperv.c +++ b/tools/testing/selftests/kvm/lib/x86_64/hyperv.c @@ -8,6 +8,26 @@ #include "processor.h" #include "hyperv.h" +struct hyperv_test_pages *vcpu_alloc_hyperv_test_pages(struct kvm_vm *vm, + vm_vaddr_t *p_hv_pages_gva) +{ + vm_vaddr_t hv_pages_gva = vm_vaddr_alloc_page(vm); + struct hyperv_test_pages *hv = addr_gva2hva(vm, hv_pages_gva); + + /* Setup of a region of guest memory for the VP Assist page. */ + hv->vp_assist = (void *)vm_vaddr_alloc_page(vm); + hv->vp_assist_hva = addr_gva2hva(vm, (uintptr_t)hv->vp_assist); + hv->vp_assist_gpa = addr_gva2gpa(vm, (uintptr_t)hv->vp_assist); + + /* Setup of a region of guest memory for the enlightened VMCS. */ + hv->enlightened_vmcs = (void *)vm_vaddr_alloc_page(vm); + hv->enlightened_vmcs_hva = addr_gva2hva(vm, (uintptr_t)hv->enlightened_vmcs); + hv->enlightened_vmcs_gpa = addr_gva2gpa(vm, (uintptr_t)hv->enlightened_vmcs); + + *p_hv_pages_gva = hv_pages_gva; + return hv; +} + int enable_vp_assist(uint64_t vp_assist_pa, void *vp_assist) { uint64_t val = (vp_assist_pa & HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK) | |