From: Oliver Upton <oupton@google.com> To: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu Cc: Paolo Bonzini <pbonzini@redhat.com>, Sean Christopherson <seanjc@google.com>, Marc Zyngier <maz@kernel.org>, Peter Shier <pshier@google.com>, Jim Mattson <jmattson@google.com>, David Matlack <dmatlack@google.com>, Ricardo Koller <ricarkol@google.com>, Jing Zhang <jingzhangos@google.com>, Raghavendra Rao Anata <rananta@google.com>, Oliver Upton <oupton@google.com> Subject: [PATCH 05/10] selftests: KVM: Add test cases for physical counter offsetting Date: Tue, 8 Jun 2021 21:47:37 +0000 [thread overview] Message-ID: <20210608214742.1897483-6-oupton@google.com> (raw) In-Reply-To: <20210608214742.1897483-1-oupton@google.com> Add support for physical counter offsetting to counter_state_test. Assert that guest reads of the physical counter are within the expected bounds. Reviewed-by: Peter Shier <pshier@google.com> Reviewed-by: Ricardo Koller <ricarkol@google.com> Signed-off-by: Oliver Upton <oupton@google.com> --- .../selftests/kvm/system_counter_state_test.c | 27 ++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/kvm/system_counter_state_test.c b/tools/testing/selftests/kvm/system_counter_state_test.c index 059971f6cb87..f537eb7b928c 100644 --- a/tools/testing/selftests/kvm/system_counter_state_test.c +++ b/tools/testing/selftests/kvm/system_counter_state_test.c @@ -62,11 +62,34 @@ static struct system_counter_state_test test_cases[] = { .cntvoff = -1 } }, + { + .counter = PHYSICAL, + .state = { + .flags = KVM_SYSTEM_COUNTER_STATE_PHYS_OFFSET, + .cntpoff = 0 + } + }, + { + .counter = PHYSICAL, + .state = { + .flags = KVM_SYSTEM_COUNTER_STATE_PHYS_OFFSET, + .cntpoff = 1000000 + } + }, + { + .counter = PHYSICAL, + .state = { + .flags = KVM_SYSTEM_COUNTER_STATE_PHYS_OFFSET, + .cntpoff = -1 + } + }, }; static void pr_test(struct system_counter_state_test *test) { - pr_info("counter: %s, cntvoff: %lld\n", counter_name(test->counter), test->state.cntvoff); + pr_info("counter: %s, cntvoff: %lld, cntpoff: %lld\n", + counter_name(test->counter), test->state.cntvoff, + test->state.cntpoff); } static struct kvm_system_counter_state * @@ -103,6 +126,8 @@ static uint64_t host_read_guest_counter(struct system_counter_state_test *test) r = read_cntvct_ordered(); switch (test->counter) { + case PHYSICAL: + r -= test->state.cntpoff; case VIRTUAL: r -= test->state.cntvoff; break; -- 2.32.0.rc1.229.g3e70b5a671-goog
WARNING: multiple messages have this Message-ID (diff)
From: Oliver Upton <oupton@google.com> To: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu Cc: Oliver Upton <oupton@google.com>, Marc Zyngier <maz@kernel.org>, Raghavendra Rao Anata <rananta@google.com>, Peter Shier <pshier@google.com>, Sean Christopherson <seanjc@google.com>, David Matlack <dmatlack@google.com>, Paolo Bonzini <pbonzini@redhat.com>, Jim Mattson <jmattson@google.com> Subject: [PATCH 05/10] selftests: KVM: Add test cases for physical counter offsetting Date: Tue, 8 Jun 2021 21:47:37 +0000 [thread overview] Message-ID: <20210608214742.1897483-6-oupton@google.com> (raw) In-Reply-To: <20210608214742.1897483-1-oupton@google.com> Add support for physical counter offsetting to counter_state_test. Assert that guest reads of the physical counter are within the expected bounds. Reviewed-by: Peter Shier <pshier@google.com> Reviewed-by: Ricardo Koller <ricarkol@google.com> Signed-off-by: Oliver Upton <oupton@google.com> --- .../selftests/kvm/system_counter_state_test.c | 27 ++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/kvm/system_counter_state_test.c b/tools/testing/selftests/kvm/system_counter_state_test.c index 059971f6cb87..f537eb7b928c 100644 --- a/tools/testing/selftests/kvm/system_counter_state_test.c +++ b/tools/testing/selftests/kvm/system_counter_state_test.c @@ -62,11 +62,34 @@ static struct system_counter_state_test test_cases[] = { .cntvoff = -1 } }, + { + .counter = PHYSICAL, + .state = { + .flags = KVM_SYSTEM_COUNTER_STATE_PHYS_OFFSET, + .cntpoff = 0 + } + }, + { + .counter = PHYSICAL, + .state = { + .flags = KVM_SYSTEM_COUNTER_STATE_PHYS_OFFSET, + .cntpoff = 1000000 + } + }, + { + .counter = PHYSICAL, + .state = { + .flags = KVM_SYSTEM_COUNTER_STATE_PHYS_OFFSET, + .cntpoff = -1 + } + }, }; static void pr_test(struct system_counter_state_test *test) { - pr_info("counter: %s, cntvoff: %lld\n", counter_name(test->counter), test->state.cntvoff); + pr_info("counter: %s, cntvoff: %lld, cntpoff: %lld\n", + counter_name(test->counter), test->state.cntvoff, + test->state.cntpoff); } static struct kvm_system_counter_state * @@ -103,6 +126,8 @@ static uint64_t host_read_guest_counter(struct system_counter_state_test *test) r = read_cntvct_ordered(); switch (test->counter) { + case PHYSICAL: + r -= test->state.cntpoff; case VIRTUAL: r -= test->state.cntvoff; break; -- 2.32.0.rc1.229.g3e70b5a671-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
next prev parent reply other threads:[~2021-06-08 21:49 UTC|newest] Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-08 21:47 [PATCH 00/10] KVM: Add idempotent controls for migrating system counter state Oliver Upton 2021-06-08 21:47 ` Oliver Upton 2021-06-08 21:47 ` [PATCH 01/10] KVM: Introduce KVM_{GET,SET}_SYSTEM_COUNTER_STATE ioctls Oliver Upton 2021-06-08 21:47 ` [PATCH 01/10] KVM: Introduce KVM_{GET, SET}_SYSTEM_COUNTER_STATE ioctls Oliver Upton 2021-06-08 21:47 ` [PATCH 02/10] KVM: arm64: Implement initial support for KVM_CAP_SYSTEM_COUNTER_STATE Oliver Upton 2021-06-08 21:47 ` Oliver Upton 2021-06-08 21:55 ` Oliver Upton 2021-06-08 21:55 ` Oliver Upton 2021-06-09 10:23 ` Marc Zyngier 2021-06-09 10:23 ` Marc Zyngier 2021-06-09 14:51 ` Oliver Upton 2021-06-09 14:51 ` Oliver Upton 2021-06-10 6:54 ` Paolo Bonzini 2021-06-10 6:54 ` Paolo Bonzini 2021-06-10 6:26 ` Paolo Bonzini 2021-06-10 6:26 ` Paolo Bonzini 2021-06-08 21:47 ` [PATCH 03/10] selftests: KVM: Introduce system_counter_state_test Oliver Upton 2021-06-08 21:47 ` Oliver Upton 2021-06-08 21:47 ` [PATCH 04/10] KVM: arm64: Add userspace control of the guest's physical counter Oliver Upton 2021-06-08 21:47 ` Oliver Upton 2021-06-08 21:58 ` Oliver Upton 2021-06-08 21:58 ` Oliver Upton 2021-06-08 21:47 ` Oliver Upton [this message] 2021-06-08 21:47 ` [PATCH 05/10] selftests: KVM: Add test cases for physical counter offsetting Oliver Upton 2021-06-08 21:47 ` [PATCH 06/10] selftests: KVM: Add counter emulation benchmark Oliver Upton 2021-06-08 21:47 ` Oliver Upton 2021-06-08 21:47 ` [PATCH 07/10] KVM: x86: Refactor tsc synchronization code Oliver Upton 2021-06-08 21:47 ` Oliver Upton 2021-06-08 21:47 ` [PATCH 08/10] KVM: x86: Implement KVM_CAP_SYSTEM_COUNTER_STATE Oliver Upton 2021-06-08 21:47 ` Oliver Upton 2021-06-08 21:47 ` [PATCH 09/10] selftests: KVM: Add support for x86 to system_counter_state_test Oliver Upton 2021-06-08 21:47 ` Oliver Upton 2021-06-08 21:47 ` [PATCH 10/10] Documentation: KVM: Document KVM_{GET,SET}_SYSTEM_COUNTER_STATE ioctls Oliver Upton 2021-06-08 21:47 ` [PATCH 10/10] Documentation: KVM: Document KVM_{GET, SET}_SYSTEM_COUNTER_STATE ioctls Oliver Upton 2021-06-09 13:05 ` [PATCH 00/10] KVM: Add idempotent controls for migrating system counter state Paolo Bonzini 2021-06-09 13:05 ` Paolo Bonzini 2021-06-09 15:11 ` Oliver Upton 2021-06-09 15:11 ` Oliver Upton 2021-06-09 17:05 ` Paolo Bonzini 2021-06-09 17:05 ` Paolo Bonzini 2021-06-09 22:04 ` Oliver Upton 2021-06-09 22:04 ` Oliver Upton 2021-06-10 6:22 ` Paolo Bonzini 2021-06-10 6:22 ` Paolo Bonzini 2021-06-10 6:53 ` Christian Borntraeger 2021-06-10 6:53 ` Christian Borntraeger
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