From: Will Deacon <will@kernel.org>
To: kvm@vger.kernel.org
Cc: kvmarm@lists.linux.dev, Will Deacon <will@kernel.org>,
Alexandru Elisei <alexandru.elisei@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Andre Przywara <andre.przywara@arm.com>,
Oliver Upton <oliver.upton@linux.dev>,
Marc Zyngier <maz@kernel.org>
Subject: [PATCH kvmtool 1/4] Sync kernel UAPI headers with v7.1
Date: Fri, 19 Jun 2026 12:54:11 +0100 [thread overview]
Message-ID: <20260619115415.5475-2-will@kernel.org> (raw)
In-Reply-To: <20260619115415.5475-1-will@kernel.org>
Generated using util/update_headers.sh.
Signed-off-by: Will Deacon <will@kernel.org>
---
arm64/include/asm/kvm.h | 1 +
include/linux/kvm.h | 53 ++++++++++++++++++++++++++++++++-----
include/linux/virtio_ring.h | 5 +---
riscv/include/asm/kvm.h | 11 +++++---
x86/include/asm/kvm.h | 21 +++++++++------
5 files changed, 69 insertions(+), 22 deletions(-)
diff --git a/arm64/include/asm/kvm.h b/arm64/include/asm/kvm.h
index a792a59..1c13bfa 100644
--- a/arm64/include/asm/kvm.h
+++ b/arm64/include/asm/kvm.h
@@ -428,6 +428,7 @@ enum {
#define KVM_DEV_ARM_ITS_RESTORE_TABLES 2
#define KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES 3
#define KVM_DEV_ARM_ITS_CTRL_RESET 4
+#define KVM_DEV_ARM_VGIC_USERSPACE_PPIS 5
/* Device Control API on vcpu fd */
#define KVM_ARM_VCPU_PMU_V3_CTRL 0
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index dddb781..6c8afa2 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -11,9 +11,14 @@
#include <linux/const.h>
#include <linux/types.h>
#include <linux/compiler.h>
+#include <linux/stddef.h>
#include <linux/ioctl.h>
#include <asm/kvm.h>
+#ifdef __KERNEL__
+#include <linux/kvm_types.h>
+#endif
+
#define KVM_API_VERSION 12
/*
@@ -135,6 +140,12 @@ struct kvm_xen_exit {
} u;
};
+struct kvm_exit_snp_req_certs {
+ __u64 gpa;
+ __u64 npages;
+ __u64 ret;
+};
+
#define KVM_S390_GET_SKEYS_NONE 1
#define KVM_S390_SKEYS_MAX 1048576
@@ -180,6 +191,8 @@ struct kvm_xen_exit {
#define KVM_EXIT_MEMORY_FAULT 39
#define KVM_EXIT_TDX 40
#define KVM_EXIT_ARM_SEA 41
+#define KVM_EXIT_ARM_LDST64B 42
+#define KVM_EXIT_SNP_REQ_CERTS 43
/* For KVM_EXIT_INTERNAL_ERROR */
/* Emulate instruction failed. */
@@ -402,7 +415,7 @@ struct kvm_run {
} eoi;
/* KVM_EXIT_HYPERV */
struct kvm_hyperv_exit hyperv;
- /* KVM_EXIT_ARM_NISV */
+ /* KVM_EXIT_ARM_NISV / KVM_EXIT_ARM_LDST64B */
struct {
__u64 esr_iss;
__u64 fault_ipa;
@@ -482,6 +495,8 @@ struct kvm_run {
__u64 gva;
__u64 gpa;
} arm_sea;
+ /* KVM_EXIT_SNP_REQ_CERTS */
+ struct kvm_exit_snp_req_certs snp_req_certs;
/* Fix the size of the union. */
char padding[256];
};
@@ -528,7 +543,7 @@ struct kvm_coalesced_mmio {
struct kvm_coalesced_mmio_ring {
__u32 first, last;
- struct kvm_coalesced_mmio coalesced_mmio[];
+ __DECLARE_FLEX_ARRAY(struct kvm_coalesced_mmio, coalesced_mmio);
};
#define KVM_COALESCED_MMIO_MAX \
@@ -578,7 +593,7 @@ struct kvm_clear_dirty_log {
/* for KVM_SET_SIGNAL_MASK */
struct kvm_signal_mask {
__u32 len;
- __u8 sigset[];
+ __DECLARE_FLEX_ARRAY(__u8, sigset);
};
/* for KVM_TPR_ACCESS_REPORTING */
@@ -689,6 +704,11 @@ struct kvm_enable_cap {
#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_PROTECTED (1UL << 31)
+#define KVM_VM_TYPE_ARM_MASK (KVM_VM_TYPE_ARM_IPA_SIZE_MASK | \
+ KVM_VM_TYPE_ARM_PROTECTED)
+
/*
* ioctls for /dev/kvm fds:
*/
@@ -974,6 +994,8 @@ struct kvm_enable_cap {
#define KVM_CAP_GUEST_MEMFD_FLAGS 244
#define KVM_CAP_ARM_SEA_TO_USER 245
#define KVM_CAP_S390_USER_OPEREXEC 246
+#define KVM_CAP_S390_KEYOP 247
+#define KVM_CAP_S390_VSIE_ESAMODE 248
struct kvm_irq_routing_irqchip {
__u32 irqchip;
@@ -1036,7 +1058,7 @@ struct kvm_irq_routing_entry {
struct kvm_irq_routing {
__u32 nr;
__u32 flags;
- struct kvm_irq_routing_entry entries[];
+ __DECLARE_FLEX_ARRAY(struct kvm_irq_routing_entry, entries);
};
#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
@@ -1127,7 +1149,7 @@ struct kvm_dirty_tlb {
struct kvm_reg_list {
__u64 n; /* number of regs */
- __u64 reg[];
+ __DECLARE_FLEX_ARRAY(__u64, reg);
};
struct kvm_one_reg {
@@ -1209,6 +1231,10 @@ enum kvm_device_type {
#define KVM_DEV_TYPE_LOONGARCH_EIOINTC KVM_DEV_TYPE_LOONGARCH_EIOINTC
KVM_DEV_TYPE_LOONGARCH_PCHPIC,
#define KVM_DEV_TYPE_LOONGARCH_PCHPIC KVM_DEV_TYPE_LOONGARCH_PCHPIC
+ KVM_DEV_TYPE_LOONGARCH_DMSINTC,
+#define KVM_DEV_TYPE_LOONGARCH_DMSINTC KVM_DEV_TYPE_LOONGARCH_DMSINTC
+ KVM_DEV_TYPE_ARM_VGIC_V5,
+#define KVM_DEV_TYPE_ARM_VGIC_V5 KVM_DEV_TYPE_ARM_VGIC_V5
KVM_DEV_TYPE_MAX,
@@ -1219,6 +1245,16 @@ struct kvm_vfio_spapr_tce {
__s32 tablefd;
};
+#define KVM_S390_KEYOP_ISKE 0x01
+#define KVM_S390_KEYOP_RRBE 0x02
+#define KVM_S390_KEYOP_SSKE 0x03
+struct kvm_s390_keyop {
+ __u64 guest_addr;
+ __u8 key;
+ __u8 operation;
+ __u8 pad[6];
+};
+
/*
* KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
* a vcpu fd.
@@ -1238,6 +1274,7 @@ struct kvm_vfio_spapr_tce {
#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
+#define KVM_S390_KEYOP _IOWR(KVMIO, 0x53, struct kvm_s390_keyop)
/* Device model IOC */
#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
@@ -1579,7 +1616,11 @@ struct kvm_stats_desc {
__u16 size;
__u32 offset;
__u32 bucket_size;
- char name[];
+#ifdef __KERNEL__
+ char name[KVM_STATS_NAME_SIZE];
+#else
+ __DECLARE_FLEX_ARRAY(char, name);
+#endif
};
#define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h
index f8c20d3..3c47858 100644
--- a/include/linux/virtio_ring.h
+++ b/include/linux/virtio_ring.h
@@ -31,9 +31,6 @@
* SUCH DAMAGE.
*
* Copyright Rusty Russell IBM Corporation 2007. */
-#ifndef __KERNEL__
-#include <stdint.h>
-#endif
#include <linux/types.h>
#include <linux/virtio_types.h>
@@ -202,7 +199,7 @@ static inline void vring_init(struct vring *vr, unsigned int num, void *p,
vr->num = num;
vr->desc = p;
vr->avail = (struct vring_avail *)((char *)p + num * sizeof(struct vring_desc));
- vr->used = (void *)(((uintptr_t)&vr->avail->ring[num] + sizeof(__virtio16)
+ vr->used = (void *)(((unsigned long)&vr->avail->ring[num] + sizeof(__virtio16)
+ align-1) & ~(align - 1));
}
diff --git a/riscv/include/asm/kvm.h b/riscv/include/asm/kvm.h
index 54f3ad7..504e733 100644
--- a/riscv/include/asm/kvm.h
+++ b/riscv/include/asm/kvm.h
@@ -110,6 +110,10 @@ struct kvm_riscv_timer {
__u64 state;
};
+/* Possible states for kvm_riscv_timer */
+#define KVM_RISCV_TIMER_STATE_OFF 0
+#define KVM_RISCV_TIMER_STATE_ON 1
+
/*
* ISA extension IDs specific to KVM. This is not the same as the host ISA
* extension IDs as that is internal to the host and should not be exposed
@@ -192,6 +196,9 @@ enum KVM_RISCV_ISA_EXT_ID {
KVM_RISCV_ISA_EXT_ZFBFMIN,
KVM_RISCV_ISA_EXT_ZVFBFMIN,
KVM_RISCV_ISA_EXT_ZVFBFWMA,
+ KVM_RISCV_ISA_EXT_ZCLSD,
+ KVM_RISCV_ISA_EXT_ZILSD,
+ KVM_RISCV_ISA_EXT_ZALASR,
KVM_RISCV_ISA_EXT_MAX,
};
@@ -235,10 +242,6 @@ struct kvm_riscv_sbi_fwft {
struct kvm_riscv_sbi_fwft_feature pointer_masking;
};
-/* Possible states for kvm_riscv_timer */
-#define KVM_RISCV_TIMER_STATE_OFF 0
-#define KVM_RISCV_TIMER_STATE_ON 1
-
/* If you need to interpret the index values, here is the key: */
#define KVM_REG_RISCV_TYPE_MASK 0x00000000FF000000
#define KVM_REG_RISCV_TYPE_SHIFT 24
diff --git a/x86/include/asm/kvm.h b/x86/include/asm/kvm.h
index 7ceff65..5f2b30d 100644
--- a/x86/include/asm/kvm.h
+++ b/x86/include/asm/kvm.h
@@ -197,13 +197,13 @@ struct kvm_msrs {
__u32 nmsrs; /* number of msrs in entries */
__u32 pad;
- struct kvm_msr_entry entries[];
+ __DECLARE_FLEX_ARRAY(struct kvm_msr_entry, entries);
};
/* for KVM_GET_MSR_INDEX_LIST */
struct kvm_msr_list {
__u32 nmsrs; /* number of msrs in entries */
- __u32 indices[];
+ __DECLARE_FLEX_ARRAY(__u32, indices);
};
/* Maximum size of any access bitmap in bytes */
@@ -245,7 +245,7 @@ struct kvm_cpuid_entry {
struct kvm_cpuid {
__u32 nent;
__u32 padding;
- struct kvm_cpuid_entry entries[];
+ __DECLARE_FLEX_ARRAY(struct kvm_cpuid_entry, entries);
};
struct kvm_cpuid_entry2 {
@@ -267,7 +267,7 @@ struct kvm_cpuid_entry2 {
struct kvm_cpuid2 {
__u32 nent;
__u32 padding;
- struct kvm_cpuid_entry2 entries[];
+ __DECLARE_FLEX_ARRAY(struct kvm_cpuid_entry2, entries);
};
/* for KVM_GET_PIT and KVM_SET_PIT */
@@ -398,7 +398,7 @@ struct kvm_xsave {
* the contents of CPUID leaf 0xD on the host.
*/
__u32 region[1024];
- __u32 extra[];
+ __DECLARE_FLEX_ARRAY(__u32, extra);
};
#define KVM_MAX_XCRS 16
@@ -476,6 +476,7 @@ struct kvm_sync_regs {
#define KVM_X86_QUIRK_SLOT_ZAP_ALL (1 << 7)
#define KVM_X86_QUIRK_STUFF_FEATURE_MSRS (1 << 8)
#define KVM_X86_QUIRK_IGNORE_GUEST_PAT (1 << 9)
+#define KVM_X86_QUIRK_VMCS12_ALLOW_FREEZE_IN_SMM (1 << 10)
#define KVM_STATE_NESTED_FORMAT_VMX 0
#define KVM_STATE_NESTED_FORMAT_SVM 1
@@ -503,6 +504,7 @@ struct kvm_sync_regs {
#define KVM_X86_GRP_SEV 1
# define KVM_X86_SEV_VMSA_FEATURES 0
# define KVM_X86_SNP_POLICY_BITS 1
+# define KVM_X86_SEV_SNP_REQ_CERTS 2
struct kvm_vmx_nested_state_data {
__u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
@@ -564,7 +566,7 @@ struct kvm_pmu_event_filter {
__u32 fixed_counter_bitmap;
__u32 flags;
__u32 pad[4];
- __u64 events[];
+ __DECLARE_FLEX_ARRAY(__u64, events);
};
#define KVM_PMU_EVENT_ALLOW 0
@@ -743,6 +745,7 @@ enum sev_cmd_id {
KVM_SEV_SNP_LAUNCH_START = 100,
KVM_SEV_SNP_LAUNCH_UPDATE,
KVM_SEV_SNP_LAUNCH_FINISH,
+ KVM_SEV_SNP_ENABLE_REQ_CERTS,
KVM_SEV_NR_MAX,
};
@@ -914,8 +917,10 @@ struct kvm_sev_snp_launch_finish {
__u64 pad1[4];
};
-#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
-#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
+#define KVM_X2APIC_API_USE_32BIT_IDS _BITULL(0)
+#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK _BITULL(1)
+#define KVM_X2APIC_ENABLE_SUPPRESS_EOI_BROADCAST _BITULL(2)
+#define KVM_X2APIC_DISABLE_SUPPRESS_EOI_BROADCAST _BITULL(3)
struct kvm_hyperv_eventfd {
__u32 conn_id;
--
2.55.0.rc0.738.g0c8ab3ebcc-goog
next prev parent reply other threads:[~2026-06-19 11:54 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-19 11:54 [PATCH kvmtool 0/4] Add support for running protected VMs on arm64 Will Deacon
2026-06-19 11:54 ` Will Deacon [this message]
2026-06-19 13:15 ` [PATCH kvmtool 1/4] Sync kernel UAPI headers with v7.1 Fuad Tabba
2026-06-19 11:54 ` [PATCH kvmtool 2/4] virtio: Factor out base features for modern virtio transports Will Deacon
2026-06-19 13:15 ` Fuad Tabba
2026-06-19 16:35 ` Suzuki K Poulose
2026-06-19 11:54 ` [PATCH kvmtool 3/4] virtio: Add helper for enabling VIRTIO_F_ACCESS_PLATFORM Will Deacon
2026-06-19 13:21 ` Fuad Tabba
2026-06-19 16:36 ` Suzuki K Poulose
2026-06-19 11:54 ` [PATCH kvmtool 4/4] arm64: Add support for protected VMs Will Deacon
2026-06-19 13:49 ` Fuad Tabba
2026-06-19 13:04 ` [PATCH kvmtool 0/4] Add support for running protected VMs on arm64 Fuad Tabba
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