Messages in this thread Patch in this message | | | Date | Tue, 9 Apr 2024 06:39:56 -0700 | Subject | [PATCH 3/6] Add vm_vaddr_alloc_pages_shared() | From | Peter Gonda <> |
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Add a shared page allocation. To be used for SEV-ES GHCBs.
Cc: Vishal Annapurve <vannapurve@google.com> Cc: Ackerley Tng <ackerleytng@google.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Claudio Imbrenda <imbrenda@linux.ibm.com> Cc: Sean Christopherson <seanjc@google.com> Cc: Carlos Bilbao <carlos.bilbao@amd.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Michael Roth <michael.roth@amd.com> Cc: kvm@vger.kernel.org Cc: linux-kselftest@vger.kernel.org Signed-off-by: Peter Gonda <pgonda@google.com> --- tools/testing/selftests/kvm/include/kvm_util_base.h | 1 + tools/testing/selftests/kvm/lib/kvm_util.c | 6 ++++++ 2 files changed, 7 insertions(+)
diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h index 9a26afd2e82a..8fa6e55e0039 100644 --- a/tools/testing/selftests/kvm/include/kvm_util_base.h +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h @@ -595,6 +595,7 @@ vm_vaddr_t vm_vaddr_alloc_shared(struct kvm_vm *vm, size_t sz, vm_vaddr_t vaddr_min, enum kvm_mem_region_type type); vm_vaddr_t vm_vaddr_alloc_pages(struct kvm_vm *vm, int nr_pages); +vm_vaddr_t vm_vaddr_alloc_pages_shared(struct kvm_vm *vm, int nr_pages); vm_vaddr_t __vm_vaddr_alloc_page(struct kvm_vm *vm, enum kvm_mem_region_type type); vm_vaddr_t vm_vaddr_alloc_page(struct kvm_vm *vm); diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index 2a7b2709eb8d..bce60ff749ea 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -1470,6 +1470,12 @@ vm_vaddr_t vm_vaddr_alloc_pages(struct kvm_vm *vm, int nr_pages) return vm_vaddr_alloc(vm, nr_pages * getpagesize(), KVM_UTIL_MIN_VADDR); } +vm_vaddr_t vm_vaddr_alloc_pages_shared(struct kvm_vm *vm, int nr_pages) +{ + return vm_vaddr_alloc_shared(vm, nr_pages * getpagesize(), + KVM_UTIL_MIN_VADDR, MEM_REGION_TEST_DATA); +} + vm_vaddr_t __vm_vaddr_alloc_page(struct kvm_vm *vm, enum kvm_mem_region_type type) { return __vm_vaddr_alloc(vm, getpagesize(), KVM_UTIL_MIN_VADDR, type); -- 2.44.0.478.gd926399ef9-goog
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