From: Gavin Shan <gshan@redhat.com>
To: kvmarm@lists.cs.columbia.edu
Cc: linux-kernel@vger.kernel.org, eauger@redhat.com,
oupton@google.com, Jonathan.Cameron@huawei.com,
vkuznets@redhat.com, will@kernel.org, shannon.zhaosl@gmail.com,
james.morse@arm.com, mark.rutland@arm.com, maz@kernel.org,
pbonzini@redhat.com, shan.gavin@gmail.com
Subject: [PATCH v6 10/18] KVM: arm64: Support SDEI_PE_{MASK, UNMASK} hypercall
Date: Sun, 3 Apr 2022 23:39:03 +0800 [thread overview]
Message-ID: <20220403153911.12332-11-gshan@redhat.com> (raw)
In-Reply-To: <20220403153911.12332-1-gshan@redhat.com>
This supports SDEI_PE_{MASK, UNMASK} hypercall. They are used by
guest to stop or start receiving event on the specified vcpu.
Signed-off-by: Gavin Shan <gshan@redhat.com>
---
arch/arm64/kvm/sdei.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm64/kvm/sdei.c b/arch/arm64/kvm/sdei.c
index 9e642d01e303..3aca36e7e27b 100644
--- a/arch/arm64/kvm/sdei.c
+++ b/arch/arm64/kvm/sdei.c
@@ -340,6 +340,18 @@ static unsigned long hypercall_info(struct kvm_vcpu *vcpu)
return ret;
}
+static unsigned long hypercall_mask(struct kvm_vcpu *vcpu, bool mask)
+{
+ struct kvm_sdei_vcpu *vsdei = vcpu->arch.sdei;
+ unsigned long ret = SDEI_SUCCESS;
+
+ spin_lock(&vsdei->lock);
+ vsdei->masked = mask ? 1 : 0;
+ spin_unlock(&vsdei->lock);
+
+ return ret;
+}
+
int kvm_sdei_call(struct kvm_vcpu *vcpu)
{
struct kvm_sdei_vcpu *vsdei = vcpu->arch.sdei;
@@ -382,6 +394,12 @@ int kvm_sdei_call(struct kvm_vcpu *vcpu)
case SDEI_1_0_FN_SDEI_EVENT_GET_INFO:
ret = hypercall_info(vcpu);
break;
+ case SDEI_1_0_FN_SDEI_PE_MASK:
+ ret = hypercall_mask(vcpu, true);
+ break;
+ case SDEI_1_0_FN_SDEI_PE_UNMASK:
+ ret = hypercall_mask(vcpu, false);
+ break;
default:
ret = SDEI_NOT_SUPPORTED;
}
--
2.23.0
next prev parent reply other threads:[~2022-04-03 15:41 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-03 15:38 [PATCH v6 00/18] Support SDEI Virtualization Gavin Shan
2022-04-03 15:38 ` [PATCH v6 01/18] KVM: arm64: Extend smccc_get_argx() Gavin Shan
2022-04-03 15:38 ` [PATCH v6 02/18] KVM: arm64: Route hypercalls based on their owner Gavin Shan
2022-04-21 8:19 ` Oliver Upton
2022-04-22 12:20 ` Gavin Shan
2022-04-22 17:59 ` Oliver Upton
2022-04-23 12:48 ` Gavin Shan
2022-04-03 15:38 ` [PATCH v6 03/18] KVM: arm64: Add SDEI virtualization infrastructure Gavin Shan
2022-04-22 21:48 ` Oliver Upton
2022-04-23 14:18 ` Gavin Shan
2022-04-23 18:43 ` Oliver Upton
2022-04-24 3:00 ` Gavin Shan
2022-04-28 20:28 ` Oliver Upton
2022-04-30 11:38 ` Gavin Shan
2022-04-30 14:16 ` Oliver Upton
2022-05-02 2:35 ` Gavin Shan
2022-05-02 3:40 ` Oliver Upton
2022-05-02 7:25 ` Gavin Shan
2022-05-02 7:57 ` Oliver Upton
2022-05-02 8:23 ` Gavin Shan
2022-04-03 15:38 ` [PATCH v6 04/18] KVM: arm64: Support SDEI_EVENT_REGISTER hypercall Gavin Shan
2022-04-30 14:54 ` Oliver Upton
2022-05-02 2:55 ` Gavin Shan
2022-05-02 3:43 ` Oliver Upton
2022-05-02 7:28 ` Gavin Shan
2022-04-03 15:38 ` [PATCH v6 05/18] KVM: arm64: Support SDEI_EVENT_{ENABLE, DISABLE} Gavin Shan
2022-04-03 15:38 ` [PATCH v6 06/18] KVM: arm64: Support SDEI_EVENT_CONTEXT hypercall Gavin Shan
2022-04-30 15:03 ` Oliver Upton
2022-05-02 2:57 ` Gavin Shan
2022-04-03 15:39 ` [PATCH v6 07/18] KVM: arm64: Support SDEI_EVENT_UNREGISTER hypercall Gavin Shan
2022-04-03 15:39 ` [PATCH v6 08/18] KVM: arm64: Support SDEI_EVENT_STATUS hypercall Gavin Shan
2022-04-03 15:39 ` [PATCH v6 09/18] KVM: arm64: Support SDEI_EVENT_GET_INFO hypercall Gavin Shan
2022-04-03 15:39 ` Gavin Shan [this message]
2022-04-04 10:26 ` [PATCH] KVM: arm64: fix returnvar.cocci warnings kernel test robot
2022-04-04 10:54 ` Gavin Shan
2022-04-04 10:29 ` [PATCH v6 10/18] KVM: arm64: Support SDEI_PE_{MASK, UNMASK} hypercall kernel test robot
2022-04-03 15:39 ` [PATCH v6 11/18] KVM: arm64: Support SDEI_{PRIVATE, SHARED}_RESET Gavin Shan
2022-04-03 15:39 ` [PATCH v6 12/18] KVM: arm64: Support SDEI event injection, delivery Gavin Shan
2022-04-03 15:39 ` [PATCH v6 13/18] KVM: arm64: Support SDEI_EVENT_{COMPLETE,COMPLETE_AND_RESUME} hypercall Gavin Shan
2022-05-01 6:50 ` Oliver Upton
2022-05-02 6:19 ` Gavin Shan
2022-05-02 7:38 ` Oliver Upton
2022-05-02 7:51 ` Gavin Shan
2022-04-03 15:39 ` [PATCH v6 14/18] KVM: arm64: Support SDEI_EVENT_SIGNAL hypercall Gavin Shan
2022-04-30 21:32 ` Oliver Upton
2022-05-02 3:04 ` Gavin Shan
2022-04-03 15:39 ` [PATCH v6 15/18] KVM: arm64: Support SDEI_FEATURES hypercall Gavin Shan
2022-05-01 6:55 ` Oliver Upton
2022-05-02 3:05 ` Gavin Shan
2022-04-03 15:39 ` [PATCH v6 16/18] KVM: arm64: Support SDEI_VERSION hypercall Gavin Shan
2022-04-03 15:39 ` [PATCH v6 17/18] KVM: arm64: Expose SDEI capability Gavin Shan
2022-04-03 15:39 ` [PATCH v6 18/18] KVM: selftests: Add SDEI test case Gavin Shan
2022-04-03 15:47 ` [PATCH v6 00/18] Support SDEI Virtualization Gavin Shan
2022-04-04 6:09 ` Oliver Upton
2022-04-04 10:53 ` Gavin Shan
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