linux-kernel - [PATCH v7 21/22] selftests: KVM: aarch64: Add SDEI case in hypercall tests

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Date:   Fri, 27 May 2022 16:02:52 +0800
From:   Gavin Shan <gshan@...hat.com>
To:     kvmarm@...ts.cs.columbia.edu
Cc:     maz@...nel.org, linux-kernel@...r.kernel.org, eauger@...hat.com,
        oupton@...gle.com, Jonathan.Cameron@...wei.com,
        pbonzini@...hat.com, vkuznets@...hat.com, will@...nel.org,
        james.morse@....com, mark.rutland@....com,
        shannon.zhaosl@...il.com, shijie@...eremail.onmicrosoft.com,
        shan.gavin@...il.com
Subject: [PATCH v7 21/22] selftests: KVM: aarch64: Add SDEI case in hypercall tests

This adds SDEI case in hypercall tests. The added hypercalls are
issued to mimic what guest kernel does: reset the shared and private
events, unmask PE, register/enable/disable/unregister event, and
then mask PE.

Signed-off-by: Gavin Shan <gshan@...hat.com>
---
 tools/testing/selftests/kvm/aarch64/hypercalls.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/kvm/aarch64/hypercalls.c b/tools/testing/selftests/kvm/aarch64/hypercalls.c
index 41e0210b7a5e..1377d2ec8d4b 100644
--- a/tools/testing/selftests/kvm/aarch64/hypercalls.c
+++ b/tools/testing/selftests/kvm/aarch64/hypercalls.c
@@ -11,6 +11,7 @@
 
 #include <errno.h>
 #include <linux/arm-smccc.h>
+#include <linux/arm_sdei.h>
 #include <asm/kvm.h>
 #include <kvm_util.h>
 
@@ -19,7 +20,7 @@
 #define FW_REG_ULIMIT_VAL(max_feat_bit) (GENMASK(max_feat_bit, 0))
 
 /* Last valid bits of the bitmapped firmware registers */
-#define KVM_REG_ARM_STD_BMAP_BIT_MAX		0
+#define KVM_REG_ARM_STD_BMAP_BIT_MAX		1
 #define KVM_REG_ARM_STD_HYP_BMAP_BIT_MAX	0
 #define KVM_REG_ARM_VENDOR_HYP_BMAP_BIT_MAX	1
 
@@ -68,6 +69,14 @@ static const struct test_hvc_info hvc_info[] = {
 	TEST_HVC_INFO(ARM_SMCCC_TRNG_GET_UUID, 0),
 	TEST_HVC_INFO(ARM_SMCCC_TRNG_RND32, 0),
 	TEST_HVC_INFO(ARM_SMCCC_TRNG_RND64, 0),
+	TEST_HVC_INFO(SDEI_1_0_FN_SDEI_SHARED_RESET, 0),
+	TEST_HVC_INFO(SDEI_1_0_FN_SDEI_PRIVATE_RESET, 0),
+	TEST_HVC_INFO(SDEI_1_0_FN_SDEI_PE_UNMASK, 0),
+	TEST_HVC_INFO(SDEI_1_0_FN_SDEI_EVENT_REGISTER, SDEI_SW_SIGNALED_EVENT),
+	TEST_HVC_INFO(SDEI_1_0_FN_SDEI_EVENT_ENABLE, SDEI_SW_SIGNALED_EVENT),
+	TEST_HVC_INFO(SDEI_1_0_FN_SDEI_EVENT_DISABLE, SDEI_SW_SIGNALED_EVENT),
+	TEST_HVC_INFO(SDEI_1_0_FN_SDEI_EVENT_UNREGISTER, SDEI_SW_SIGNALED_EVENT),
+	TEST_HVC_INFO(SDEI_1_0_FN_SDEI_PE_MASK, 0),
 
 	/* KVM_REG_ARM_STD_HYP_BMAP */
 	TEST_HVC_INFO(ARM_SMCCC_ARCH_FEATURES_FUNC_ID, ARM_SMCCC_HV_PV_TIME_FEATURES),
-- 
2.23.0