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| author | Andrew Jones <drjones@redhat.com> | 2018-09-18 19:54:35 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-10-17 00:29:38 +0200 |
| commit | e28934e661c1d9425f1cc41b405dcd8626507206 (patch) | |
| tree | 47348a4a17d92a7c361809a81ca6ec44de096d40 /tools/testing/selftests/kvm/lib | |
| parent | kvm: selftests: dirty_log_test: also test 64K pages on aarch64 (diff) | |
| download | linux-e28934e661c1d9425f1cc41b405dcd8626507206.tar.xz linux-e28934e661c1d9425f1cc41b405dcd8626507206.zip | |
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.c | 8 | ||||
| -rw-r--r-- | tools/testing/selftests/kvm/lib/kvm_util.c | 16 |
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); } |