linux-kernel - [PATCH kvm-next] tools headers: Sync KVM headers for KVM_CAP_GUEST_MEMFD

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Message-ID: <20250929063532.19980-1-shivankg@amd.com>
Date: Mon, 29 Sep 2025 06:35:32 +0000
From: Shivank Garg <shivankg@....com>
To: <linux-kernel@...r.kernel.org>, <kvm@...r.kernel.org>
CC: <namhyung@...nel.org>, <mingo@...nel.org>, <james.clark@...aro.org>,
	<xiaoyao.li@...el.com>, <acme@...hat.com>, <jmattson@...gle.com>,
	<seanjc@...gle.com>, <pbonzini@...hat.com>, <shivankg@....com>
Subject: [PATCH kvm-next] tools headers: Sync KVM headers for KVM_CAP_GUEST_MEMFD_MMAP

To pick up the changes in this cset:
commit 82d26cc8e90b ("KVM: Allow and advertise support for host mmap() on guest_memfd files")

This addresses these perf build warnings:
tools/perf$ ./check-headers.sh
Warning: Kernel ABI header differences:
  diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h

Please see tools/include/uapi/README for further details.

Signed-off-by: Shivank Garg <shivankg@....com>
---
 tools/include/uapi/linux/kvm.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index f0f0d49d2544..6efa98a57ec1 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -962,6 +962,7 @@ struct kvm_enable_cap {
 #define KVM_CAP_ARM_EL2_E2H0 241
 #define KVM_CAP_RISCV_MP_STATE_RESET 242
 #define KVM_CAP_ARM_CACHEABLE_PFNMAP_SUPPORTED 243
+#define KVM_CAP_GUEST_MEMFD_MMAP 244
 
 struct kvm_irq_routing_irqchip {
 	__u32 irqchip;
@@ -1598,6 +1599,7 @@ struct kvm_memory_attributes {
 #define KVM_MEMORY_ATTRIBUTE_PRIVATE           (1ULL << 3)
 
 #define KVM_CREATE_GUEST_MEMFD	_IOWR(KVMIO,  0xd4, struct kvm_create_guest_memfd)
+#define GUEST_MEMFD_FLAG_MMAP	(1ULL << 0)
 
 struct kvm_create_guest_memfd {
 	__u64 size;
-- 
2.43.0