diff options
| author | Ricardo Koller <ricarkol@google.com> | 2021-10-04 18:19:21 -0700 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-10-11 09:31:43 +0100 |
| commit | 3e197f17b23ba7c1a3c7cb1d27f7494444aa42e3 (patch) | |
| tree | c1de2c44375c92dc7108244893be552acd44c8e9 /tools/testing/selftests | |
| parent | 1883458638979531fc4fcbc26d15fec3e51e1734 (diff) | |
KVM: arm64: selftests: Add init ITS device test
Add some ITS device init tests: general KVM device tests (address not
defined already, address aligned) and tests for the ITS region being
within the addressable IPA range.
Signed-off-by: Ricardo Koller <ricarkol@google.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211005011921.437353-12-ricarkol@google.com
Diffstat (limited to 'tools/testing/selftests')
| -rw-r--r-- | tools/testing/selftests/kvm/aarch64/vgic_init.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/aarch64/vgic_init.c b/tools/testing/selftests/kvm/aarch64/vgic_init.c index 80be1940d2ad..c563489ff760 100644 --- a/tools/testing/selftests/kvm/aarch64/vgic_init.c +++ b/tools/testing/selftests/kvm/aarch64/vgic_init.c @@ -598,6 +598,47 @@ static void test_v3_redist_ipa_range_check_at_vcpu_run(void) vm_gic_destroy(&v); } +static void test_v3_its_region(void) +{ + struct vm_gic v; + uint64_t addr; + int its_fd, ret; + + v = vm_gic_create_with_vcpus(KVM_DEV_TYPE_ARM_VGIC_V3, NR_VCPUS); + its_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_ITS, false); + + addr = 0x401000; + ret = _kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, + KVM_VGIC_ITS_ADDR_TYPE, &addr, true); + TEST_ASSERT(ret && errno == EINVAL, + "ITS region with misaligned address"); + + addr = max_phys_size; + ret = _kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, + KVM_VGIC_ITS_ADDR_TYPE, &addr, true); + TEST_ASSERT(ret && errno == E2BIG, + "register ITS region with base address beyond IPA range"); + + addr = max_phys_size - 0x10000; + ret = _kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, + KVM_VGIC_ITS_ADDR_TYPE, &addr, true); + TEST_ASSERT(ret && errno == E2BIG, + "Half of ITS region is beyond IPA range"); + + /* This one succeeds setting the ITS base */ + addr = 0x400000; + kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, + KVM_VGIC_ITS_ADDR_TYPE, &addr, true); + + addr = 0x300000; + ret = _kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, + KVM_VGIC_ITS_ADDR_TYPE, &addr, true); + TEST_ASSERT(ret && errno == EEXIST, "ITS base set again"); + + close(its_fd); + vm_gic_destroy(&v); +} + /* * Returns 0 if it's possible to create GIC device of a given type (V2 or V3). */ @@ -650,6 +691,7 @@ void run_tests(uint32_t gic_dev_type) test_v3_last_bit_redist_regions(); test_v3_last_bit_single_rdist(); test_v3_redist_ipa_range_check_at_vcpu_run(); + test_v3_its_region(); } } |