[RFC v2 01/24] linux-headers: Add RME related definitions

From: Jean-Philippe Brucker <[email protected]>

This is a temporary patch intended for testing purposes only. It provides
definitions related to supporting Realms by the QEMU-VMM.

Signed-off-by: Jean-Philippe Brucker <[email protected]>
Signed-off-by: Mathieu Poirier <[email protected]>
---
 linux-headers/asm-arm64/kvm.h |  9 +++++++++
 linux-headers/linux/kvm.h     | 10 +++++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/linux-headers/asm-arm64/kvm.h b/linux-headers/asm-arm64/kvm.h
index 6aefe7973814..4c08631ec7d2 100644
--- a/linux-headers/asm-arm64/kvm.h
+++ b/linux-headers/asm-arm64/kvm.h
@@ -208,6 +208,15 @@ struct kvm_arm_counter_offset {
 	__u64 reserved;
 };
 
+#define KVM_ARM_RMI_POPULATE_FLAGS_MEASURE     (1 << 0)
+struct kvm_arm_rmi_populate {
+	__u64 base;
+	__u64 size;
+	__u64 source_uaddr;
+	__u32 flags;
+	__u32 reserved;
+};
+
 #define KVM_ARM_TAGS_TO_GUEST		0
 #define KVM_ARM_TAGS_FROM_GUEST		1
 
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index dd52e2a65bfd..cdd5ad11f85a 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -689,14 +689,19 @@ struct kvm_enable_cap {
  * address size for the VM. Bits[7-0] are reserved for the guest
  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
  * value 0 implies the default IPA size, 40bits.
+ *
+ * Bits[30-31] are reserved for the VM type
  */
 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
 	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
 
+#define KVM_VM_TYPE_ARM_NORMAL		0
+#define KVM_VM_TYPE_ARM_REALM		(1UL << 30)
 #define KVM_VM_TYPE_ARM_PROTECTED	(1UL << 31)
 #define KVM_VM_TYPE_ARM_MASK		(KVM_VM_TYPE_ARM_IPA_SIZE_MASK | \
-					 KVM_VM_TYPE_ARM_PROTECTED)
+					 KVM_VM_TYPE_ARM_PROTECTED | \
+					 KVM_VM_TYPE_ARM_REALM)
 
 /*
  * ioctls for /dev/kvm fds:
@@ -719,6 +724,8 @@ struct kvm_enable_cap {
 #define KVM_GET_EMULATED_CPUID	  _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
 
+#define KVM_ARM_RMI_POPULATE	  _IOWR(KVMIO, 0xd7, struct kvm_arm_rmi_populate)
+
 /*
  * Extension capability list.
  */
@@ -986,6 +993,7 @@ struct kvm_enable_cap {
 #define KVM_CAP_S390_KEYOP 247
 #define KVM_CAP_S390_VSIE_ESAMODE 248
 #define KVM_CAP_S390_HPAGE_2G 249
+#define KVM_CAP_ARM_RMI 250
 
 struct kvm_irq_routing_irqchip {
 	__u32 irqchip;
-- 
2.43.0