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[34.83.12.150]) by smtp.gmail.com with ESMTPSA id y6sm256924pfb.64.2021.09.28.17.20.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Sep 2021 17:20:03 -0700 (PDT) Date: Tue, 28 Sep 2021 17:19:59 -0700 From: Ricardo Koller To: kvm@vger.kernel.org, maz@kernel.org, kvmarm@lists.cs.columbia.edu, drjones@redhat.com, eric.auger@redhat.com, alexandru.elisei@arm.com Subject: Re: [PATCH v3 10/10] KVM: arm64: selftests: Add basic ITS device tests Message-ID: References: <20210928201157.2510143-1-ricarkol@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210928201157.2510143-1-ricarkol@google.com> Cc: pshier@google.com, Paolo Bonzini , shuah@kernel.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Tue, Sep 28, 2021 at 01:11:57PM -0700, Ricardo Koller wrote: > Add some ITS device 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 > --- > .../testing/selftests/kvm/aarch64/vgic_init.c | 42 +++++++++++++++++++ > 1 file changed, 42 insertions(+) > > diff --git a/tools/testing/selftests/kvm/aarch64/vgic_init.c b/tools/testing/selftests/kvm/aarch64/vgic_init.c > index 417a9a515cad..180221ec325d 100644 > --- a/tools/testing/selftests/kvm/aarch64/vgic_init.c > +++ b/tools/testing/selftests/kvm/aarch64/vgic_init.c > @@ -603,6 +603,47 @@ 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). > */ > @@ -655,6 +696,7 @@ 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(); > } > } > > -- > 2.33.0.685.g46640cef36-goog > Please ignore this email. This patch is already included in the right trhread. Sorry and thanks, Ricardo _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm