From: Haibo Xu <haibo.xu@linaro.org>
To: drjones@redhat.com, richard.henderson@linaro.org
Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org, philmd@redhat.com,
qemu-devel@nongnu.org, Haibo Xu <haibo.xu@linaro.org>
Subject: [RFC PATCH 1/5] Update Linux headers with new MTE support
Date: Mon, 8 Feb 2021 03:20:02 +0000 [thread overview]
Message-ID: <432d5c0c6fb79e29f2e7aa4730cf4339d3d858f0.1612747873.git.haibo.xu@linaro.org> (raw)
In-Reply-To: <cover.1612747873.git.haibo.xu@linaro.org>
Signed-off-by: Haibo Xu <haibo.xu@linaro.org>
---
| 15 +++++++++++++++
1 file changed, 15 insertions(+)
--git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 020b62a619..6a291a9a35 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -1056,6 +1056,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
#define KVM_CAP_SYS_HYPERV_CPUID 191
#define KVM_CAP_DIRTY_LOG_RING 192
+#define KVM_CAP_ARM_MTE 193
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1241,6 +1242,19 @@ struct kvm_arm_device_addr {
__u64 addr;
};
+#define KVM_ARM_TAGS_TO_GUEST 0
+#define KVM_ARM_TAGS_FROM_GUEST 1
+
+struct kvm_arm_copy_mte_tags {
+ __u64 guest_ipa;
+ __u64 length;
+ union {
+ void *addr;
+ __u64 padding;
+ };
+ __u64 flags;
+};
+
/*
* Device control API, available with KVM_CAP_DEVICE_CTRL
*/
@@ -1396,6 +1410,7 @@ struct kvm_s390_ucas_mapping {
/* Available with KVM_CAP_PMU_EVENT_FILTER */
#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
+#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
/* ioctl for vm fd */
#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
--
2.17.1
next prev parent reply other threads:[~2021-02-08 3:54 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-08 3:20 [RFC PATCH 0/5] target/arm: Add MTE support to KVM guest Haibo Xu
2021-02-08 3:20 ` Haibo Xu [this message]
2021-03-12 1:48 ` [RFC PATCH 1/5] Update Linux headers with new MTE support Haibo Xu
2021-02-08 3:20 ` [RFC PATCH 2/5] Add basic MTE support to KVM guest Haibo Xu
2021-03-12 1:49 ` Haibo Xu
2021-02-08 3:20 ` [RFC PATCH 3/5] Add APIs to get/set MTE tags Haibo Xu
2021-03-12 1:50 ` Haibo Xu
2021-02-08 3:20 ` [RFC PATCH 4/5] Add migration support for KVM guest with MTE Haibo Xu
2021-02-16 15:31 ` Richard Henderson
2021-02-22 9:46 ` Haibo Xu
2021-02-22 22:47 ` Richard Henderson
2021-03-12 1:50 ` Haibo Xu
2021-02-08 3:20 ` [RFC PATCH 5/5] Enable the MTE support for KVM guest Haibo Xu
2021-03-12 1:51 ` Haibo Xu
2021-02-16 11:20 ` [RFC PATCH 0/5] target/arm: Add MTE support to " Peter Maydell
2021-02-22 4:18 ` Haibo Xu
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