[RFC PATCH v2 1/5] Update Linux headers with new MTE support

[Haibo Xu]

Signed-off-by: Haibo Xu <haibo...@linaro.org>
---
 linux-headers/linux/kvm.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 020b62a619..941743b3a7 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 195
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -1241,6 +1242,20 @@ 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;
+       __u64 reserved[2];
+};
+
 /*
  * Device control API, available with KVM_CAP_DEVICE_CTRL
  */
@@ -1396,6 +1411,7 @@ 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