summaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/kvm/lib
diff options
context:
space:
mode:
authorAndrew Jones <drjones@redhat.com>2018-09-18 19:54:35 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2018-10-17 00:29:38 +0200
commite28934e661c1d9425f1cc41b405dcd8626507206 (patch)
tree47348a4a17d92a7c361809a81ca6ec44de096d40 /tools/testing/selftests/kvm/lib
parente1b376f140ad9cbb1e1976f347377b8ef08a5bc9 (diff)
downloadlinux-e28934e661c1d9425f1cc41b405dcd8626507206.tar.bz2
kvm: selftests: stop lying to aarch64 tests about PA-bits
Let's add the 40 PA-bit versions of the VM modes, that AArch64 should have been using, so we can extend the dirty log test without breaking things. Signed-off-by: Andrew Jones <drjones@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing/selftests/kvm/lib')
-rw-r--r--tools/testing/selftests/kvm/lib/aarch64/processor.c8
-rw-r--r--tools/testing/selftests/kvm/lib/kvm_util.c16
2 files changed, 24 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c
index b1dfc0d4b68e..b6022e2f116e 100644
--- a/tools/testing/selftests/kvm/lib/aarch64/processor.c
+++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c
@@ -275,6 +275,14 @@ void vcpu_setup(struct kvm_vm *vm, int vcpuid, int pgd_memslot, int gdt_memslot)
tcr_el1 |= 1ul << 14; /* TG0 = 64KB */
tcr_el1 |= 6ul << 32; /* IPS = 52 bits */
break;
+ case VM_MODE_P40V48_4K:
+ tcr_el1 |= 0ul << 14; /* TG0 = 4KB */
+ tcr_el1 |= 2ul << 32; /* IPS = 40 bits */
+ break;
+ case VM_MODE_P40V48_64K:
+ tcr_el1 |= 1ul << 14; /* TG0 = 64KB */
+ tcr_el1 |= 2ul << 32; /* IPS = 40 bits */
+ break;
default:
TEST_ASSERT(false, "Unknown guest mode, mode: 0x%x", vm->mode);
}
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index b37e52f4daad..8c06da4f03db 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -99,6 +99,8 @@ static void vm_open(struct kvm_vm *vm, int perm)
const char * const vm_guest_mode_string[] = {
"PA-bits:52, VA-bits:48, 4K pages",
"PA-bits:52, VA-bits:48, 64K pages",
+ "PA-bits:40, VA-bits:48, 4K pages",
+ "PA-bits:40, VA-bits:48, 64K pages",
};
/*
@@ -146,6 +148,20 @@ struct kvm_vm *vm_create(enum vm_guest_mode mode, uint64_t phy_pages, int perm)
vm->page_shift = 16;
vm->va_bits = 48;
break;
+ case VM_MODE_P40V48_4K:
+ vm->pgtable_levels = 4;
+ vm->pa_bits = 40;
+ vm->va_bits = 48;
+ vm->page_size = 0x1000;
+ vm->page_shift = 12;
+ break;
+ case VM_MODE_P40V48_64K:
+ vm->pgtable_levels = 3;
+ vm->pa_bits = 40;
+ vm->va_bits = 48;
+ vm->page_size = 0x10000;
+ vm->page_shift = 16;
+ break;
default:
TEST_ASSERT(false, "Unknown guest mode, mode: 0x%x", mode);
}