From: Suzuki K Poulose <suzuki.poulose@arm.com>
To: kvmarm@lists.linux.dev
Cc: kvm@vger.kernel.org, linux-coco@lists.linux.dev,
linux-arm-kernel@lists.infradead.org, maz@kernel.org,
alexandru.elisei@arm.com, joey.gouly@arm.com,
steven.price@arm.com, james.morse@arm.com,
oliver.upton@linux.dev, yuzenghui@huawei.com,
andrew.jones@linux.dev, eric.auger@redhat.com,
Suzuki K Poulose <suzuki.poulose@arm.com>
Subject: [kvm-unit-tests PATCH 19/33] arm64: selftest: add realm SVE VL test
Date: Fri, 12 Apr 2024 11:33:54 +0100 [thread overview]
Message-ID: <20240412103408.2706058-20-suzuki.poulose@arm.com> (raw)
In-Reply-To: <20240412103408.2706058-1-suzuki.poulose@arm.com>
From: Joey Gouly <joey.gouly@arm.com>
Check that the requested SVE vector length matches what
the Realm was configured with.
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
[ Fix build failures on arm ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
arm/selftest.c | 6 ++++++
arm/unittests.cfg | 2 +-
lib/arm/asm/sve-vl-test.h | 9 +++++++++
lib/arm64/asm/sve-vl-test.h | 28 ++++++++++++++++++++++++++++
4 files changed, 44 insertions(+), 1 deletion(-)
create mode 100644 lib/arm/asm/sve-vl-test.h
create mode 100644 lib/arm64/asm/sve-vl-test.h
diff --git a/arm/selftest.c b/arm/selftest.c
index 8caadad3..7bc5fb76 100644
--- a/arm/selftest.c
+++ b/arm/selftest.c
@@ -21,6 +21,8 @@
#include <asm/barrier.h>
#include <asm/rsi.h>
+#include <asm/sve-vl-test.h>
+
static cpumask_t ready, valid;
static void __user_psci_system_off(void)
@@ -60,6 +62,10 @@ static void check_setup(int argc, char **argv)
"number of CPUs matches expectation");
report_info("found %d CPUs", nr_cpus);
++nr_tests;
+
+ } else if (strcmp(argv[i], "sve-vl") == 0) {
+ if (check_arm_sve_vl(val))
+ nr_tests++;
}
report_prefix_pop();
diff --git a/arm/unittests.cfg b/arm/unittests.cfg
index e35e8506..3cf6b719 100644
--- a/arm/unittests.cfg
+++ b/arm/unittests.cfg
@@ -33,7 +33,7 @@
[selftest-setup]
file = selftest.flat
smp = 2
-extra_params = -m 256 -append 'setup smp=2 mem=256'
+extra_params = -m 256 -append 'setup smp=2 mem=256 sve-vl'
groups = selftest
# Test vector setup and exception handling (kernel mode).
diff --git a/lib/arm/asm/sve-vl-test.h b/lib/arm/asm/sve-vl-test.h
new file mode 100644
index 00000000..19eaf669
--- /dev/null
+++ b/lib/arm/asm/sve-vl-test.h
@@ -0,0 +1,9 @@
+#ifndef __ARM_SVE_VL_TEST_H
+#define __ARM_SVE_VL_TEST_H
+
+static bool check_arm_sve_vl(long val)
+{
+ return false;
+}
+
+#endif
diff --git a/lib/arm64/asm/sve-vl-test.h b/lib/arm64/asm/sve-vl-test.h
new file mode 100644
index 00000000..c82ea154
--- /dev/null
+++ b/lib/arm64/asm/sve-vl-test.h
@@ -0,0 +1,28 @@
+#ifndef __ARM_SVE_VL_TEST_H_
+#define __ARM_SVE_VL_TEST_H_
+
+#include <asm/processor.h>
+#include <asm/sysreg.h>
+
+static bool check_arm_sve_vl(long val)
+{
+ unsigned long vl;
+
+ if (!system_supports_sve()) {
+ report_skip("SVE is not supported\n");
+ } else {
+ /* Enable the maxium SVE vector length */
+ write_sysreg(ZCR_EL1_LEN, ZCR_EL1);
+ vl = sve_vl();
+ /* Realms are configured with a SVE VL */
+ if (is_realm()) {
+ report(vl == val,
+ "SVE VL expected (%ld), detected (%ld)",
+ val, vl);
+ } else {
+ report(true, "Detected SVE VL %ld\n", vl);
+ }
+ }
+ return true;
+}
+#endif
--
2.34.1
next prev parent reply other threads:[~2024-04-12 10:34 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-12 10:33 [kvm-unit-tests PATCH 00/33] Support for Arm Confidential Compute Architecture Suzuki K Poulose
2024-04-10 16:17 ` Itaru Kitayama
2024-04-15 8:59 ` Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 01/33] arm: Add necessary header files in asm/pgtable.h Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 02/33] arm: Detect FDT overlap with uninitialised data Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 03/33] arm64: Expand SMCCC arguments and return values Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 04/33] arm: Make physical address mask dynamic Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 05/33] arm64: Introduce NS_SHARED PTE attribute Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 06/33] arm: Move io_init after vm initialization Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 07/33] arm: realm: Add RSI interface header Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 08/33] arm: realm: Make uart available before MMU is enabled Suzuki K Poulose
2024-04-22 11:58 ` Alexandru Elisei
2024-04-22 12:09 ` Suzuki K Poulose
2024-04-22 12:23 ` Alexandru Elisei
2024-04-22 12:36 ` Alexandru Elisei
2024-04-22 13:09 ` Suzuki K Poulose
2024-04-22 15:38 ` Alexandru Elisei
2024-04-22 16:05 ` Suzuki K Poulose
2024-04-22 16:15 ` Alexandru Elisei
2024-04-26 11:15 ` Suzuki K Poulose
2024-04-26 13:51 ` Alexandru Elisei
2024-04-12 10:33 ` [kvm-unit-tests PATCH 09/33] arm: realm: Realm initialisation Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 10/33] arm: realm: Add support for changing the state of memory Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 11/33] arm: realm: Set RIPAS state for RAM Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 12/33] arm: realm: Early memory setup Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 13/33] arm: realm: Add RSI version test Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 14/33] arm: selftest: realm: skip pabt test when running in a realm Suzuki K Poulose
2024-04-22 15:48 ` Alexandru Elisei
2024-04-12 10:33 ` [kvm-unit-tests PATCH 15/33] arm: realm: add hvc and RSI_HOST_CALL tests Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 16/33] arm64: add ESR_ELx EC.SVE Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 17/33] arm64: enable SVE at startup Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 18/33] arm: realm: Add test for FPU/SIMD context save/restore Suzuki K Poulose
2024-05-10 15:28 ` Andrew Jones
2024-05-14 10:27 ` Suzuki K Poulose
2024-04-12 10:33 ` Suzuki K Poulose [this message]
2024-04-12 10:33 ` [kvm-unit-tests PATCH 20/33] arm: realm: Add tests for in realm SEA Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 21/33] lib/alloc_page: Add shared page allocation support Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 22/33] arm: gic-v3-its: Use shared pages wherever needed Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 23/33] arm: realm: Enable memory encryption Suzuki K Poulose
2024-04-12 10:33 ` [kvm-unit-tests PATCH 24/33] qcbor: Add QCBOR as a submodule Suzuki K Poulose
2024-04-12 10:34 ` [kvm-unit-tests PATCH 25/33] arm: Add build steps for QCBOR library Suzuki K Poulose
2024-04-12 10:34 ` [kvm-unit-tests PATCH 26/33] arm: Add a library to verify tokens using the " Suzuki K Poulose
2024-04-12 10:34 ` [kvm-unit-tests PATCH 27/33] arm: realm: add RSI interface for attestation measurements Suzuki K Poulose
2024-04-12 10:34 ` [kvm-unit-tests PATCH 28/33] arm: realm: Add helpers to decode RSI return codes Suzuki K Poulose
2024-04-12 10:34 ` [kvm-unit-tests PATCH 29/33] arm: realm: Add Realm attestation tests Suzuki K Poulose
2024-04-12 10:34 ` [kvm-unit-tests PATCH 30/33] " Suzuki K Poulose
2024-04-12 10:34 ` [kvm-unit-tests PATCH 31/33] arm: realm: Add a test for shared memory Suzuki K Poulose
2024-04-12 10:34 ` [kvm-unit-tests PATCH 32/33] arm: Add memtest support Suzuki K Poulose
2024-04-12 10:34 ` [kvm-unit-tests PATCH 33/33] NOT-FOR-MERGING: add run-realm-tests Suzuki K Poulose
2024-04-16 14:28 ` [kvm-unit-tests PATCH 00/33] Support for Arm Confidential Compute Architecture Jean-Philippe Brucker
2024-05-10 15:23 ` Andrew Jones
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