在 2023/12/28 下午4:40, Tianrui Zhao 写道:
Use the scripts/update-linux-headers.sh to synchronize linux
headers from linux v6.7.0-rc7. We mainly want to add the
loongarch linux headers and then add the loongarch kvm support
based on it.

Signed-off-by: Tianrui Zhao <zhaotian...@loongson.cn>
---
  include/standard-headers/drm/drm_fourcc.h     |   2 +
  include/standard-headers/linux/fuse.h         |  10 +-
  include/standard-headers/linux/pci_regs.h     |  24 ++-
  include/standard-headers/linux/vhost_types.h  |   7 +
  .../standard-headers/linux/virtio_config.h    |   5 +
  include/standard-headers/linux/virtio_pci.h   |  11 ++
  linux-headers/asm-arm64/kvm.h                 |  32 ++++
  linux-headers/asm-generic/unistd.h            |  14 +-
  linux-headers/asm-loongarch/bitsperlong.h     |   1 +
  linux-headers/asm-loongarch/kvm.h             | 108 +++++++++++
  linux-headers/asm-loongarch/mman.h            |   1 +
  linux-headers/asm-loongarch/unistd.h          |   5 +
  linux-headers/asm-mips/unistd_n32.h           |   4 +
  linux-headers/asm-mips/unistd_n64.h           |   4 +
  linux-headers/asm-mips/unistd_o32.h           |   4 +
  linux-headers/asm-powerpc/unistd_32.h         |   4 +
  linux-headers/asm-powerpc/unistd_64.h         |   4 +
  linux-headers/asm-riscv/kvm.h                 |  12 ++
  linux-headers/asm-s390/unistd_32.h            |   4 +
  linux-headers/asm-s390/unistd_64.h            |   4 +
  linux-headers/asm-x86/unistd_32.h             |   4 +
  linux-headers/asm-x86/unistd_64.h             |   3 +
  linux-headers/asm-x86/unistd_x32.h            |   3 +
  linux-headers/linux/iommufd.h                 | 180 +++++++++++++++++-
  linux-headers/linux/kvm.h                     |  11 ++
  linux-headers/linux/psp-sev.h                 |   1 +
  linux-headers/linux/stddef.h                  |   9 +-
  linux-headers/linux/userfaultfd.h             |   9 +-
  linux-headers/linux/vfio.h                    |  47 +++--
  linux-headers/linux/vhost.h                   |   8 +
  30 files changed, 504 insertions(+), 31 deletions(-)
  create mode 100644 linux-headers/asm-loongarch/bitsperlong.h
  create mode 100644 linux-headers/asm-loongarch/kvm.h
  create mode 100644 linux-headers/asm-loongarch/mman.h
  create mode 100644 linux-headers/asm-loongarch/unistd.h
Acked-by: Song Gao <gaos...@loongson.cn>

Thanks.
Song Gao
diff --git a/include/standard-headers/drm/drm_fourcc.h 
b/include/standard-headers/drm/drm_fourcc.h
index 72279f4d25..3afb70160f 100644
--- a/include/standard-headers/drm/drm_fourcc.h
+++ b/include/standard-headers/drm/drm_fourcc.h
@@ -322,6 +322,8 @@ extern "C" {
   * index 1 = Cr:Cb plane, [39:0] Cr1:Cb1:Cr0:Cb0 little endian
   */
  #define DRM_FORMAT_NV15               fourcc_code('N', 'V', '1', '5') /* 2x2 
subsampled Cr:Cb plane */
+#define DRM_FORMAT_NV20                fourcc_code('N', 'V', '2', '0') /* 2x1 
subsampled Cr:Cb plane */
+#define DRM_FORMAT_NV30                fourcc_code('N', 'V', '3', '0') /* 
non-subsampled Cr:Cb plane */
/*
   * 2 plane YCbCr MSB aligned
diff --git a/include/standard-headers/linux/fuse.h 
b/include/standard-headers/linux/fuse.h
index 6b9793842c..fc0dcd10ae 100644
--- a/include/standard-headers/linux/fuse.h
+++ b/include/standard-headers/linux/fuse.h
@@ -209,7 +209,7 @@
   *  - add FUSE_HAS_EXPIRE_ONLY
   *
   *  7.39
- *  - add FUSE_DIRECT_IO_RELAX
+ *  - add FUSE_DIRECT_IO_ALLOW_MMAP
   *  - add FUSE_STATX and related structures
   */
@@ -405,8 +405,7 @@ struct fuse_file_lock {
   * FUSE_CREATE_SUPP_GROUP: add supplementary group info to create, mkdir,
   *                    symlink and mknod (single group that matches parent)
   * FUSE_HAS_EXPIRE_ONLY: kernel supports expiry-only entry invalidation
- * FUSE_DIRECT_IO_RELAX: relax restrictions in FOPEN_DIRECT_IO mode, for now
- *                       allow shared mmap
+ * FUSE_DIRECT_IO_ALLOW_MMAP: allow shared mmap in FOPEN_DIRECT_IO mode.
   */
  #define FUSE_ASYNC_READ               (1 << 0)
  #define FUSE_POSIX_LOCKS      (1 << 1)
@@ -445,7 +444,10 @@ struct fuse_file_lock {
  #define FUSE_HAS_INODE_DAX    (1ULL << 33)
  #define FUSE_CREATE_SUPP_GROUP        (1ULL << 34)
  #define FUSE_HAS_EXPIRE_ONLY  (1ULL << 35)
-#define FUSE_DIRECT_IO_RELAX   (1ULL << 36)
+#define FUSE_DIRECT_IO_ALLOW_MMAP (1ULL << 36)
+
+/* Obsolete alias for FUSE_DIRECT_IO_ALLOW_MMAP */
+#define FUSE_DIRECT_IO_RELAX   FUSE_DIRECT_IO_ALLOW_MMAP
/**
   * CUSE INIT request/reply flags
diff --git a/include/standard-headers/linux/pci_regs.h 
b/include/standard-headers/linux/pci_regs.h
index e5f558d964..a39193213f 100644
--- a/include/standard-headers/linux/pci_regs.h
+++ b/include/standard-headers/linux/pci_regs.h
@@ -80,6 +80,7 @@
  #define  PCI_HEADER_TYPE_NORMAL               0
  #define  PCI_HEADER_TYPE_BRIDGE               1
  #define  PCI_HEADER_TYPE_CARDBUS      2
+#define  PCI_HEADER_TYPE_MFD           0x80    /* Multi-Function Device 
(possible) */
#define PCI_BIST 0x0f /* 8 bits */
  #define  PCI_BIST_CODE_MASK   0x0f    /* Return result */
@@ -637,6 +638,7 @@
  #define PCI_EXP_RTCAP         0x1e    /* Root Capabilities */
  #define  PCI_EXP_RTCAP_CRSVIS 0x0001  /* CRS Software Visibility capability */
  #define PCI_EXP_RTSTA         0x20    /* Root Status */
+#define  PCI_EXP_RTSTA_PME_RQ_ID 0x0000ffff /* PME Requester ID */
  #define  PCI_EXP_RTSTA_PME    0x00010000 /* PME status */
  #define  PCI_EXP_RTSTA_PENDING        0x00020000 /* PME pending */
  /*
@@ -930,12 +932,13 @@
/* Process Address Space ID */
  #define PCI_PASID_CAP         0x04    /* PASID feature register */
-#define  PCI_PASID_CAP_EXEC    0x02    /* Exec permissions Supported */
-#define  PCI_PASID_CAP_PRIV    0x04    /* Privilege Mode Supported */
+#define  PCI_PASID_CAP_EXEC    0x0002  /* Exec permissions Supported */
+#define  PCI_PASID_CAP_PRIV    0x0004  /* Privilege Mode Supported */
+#define  PCI_PASID_CAP_WIDTH   0x1f00
  #define PCI_PASID_CTRL                0x06    /* PASID control register */
-#define  PCI_PASID_CTRL_ENABLE 0x01    /* Enable bit */
-#define  PCI_PASID_CTRL_EXEC   0x02    /* Exec permissions Enable */
-#define  PCI_PASID_CTRL_PRIV   0x04    /* Privilege Mode Enable */
+#define  PCI_PASID_CTRL_ENABLE 0x0001  /* Enable bit */
+#define  PCI_PASID_CTRL_EXEC   0x0002  /* Exec permissions Enable */
+#define  PCI_PASID_CTRL_PRIV   0x0004  /* Privilege Mode Enable */
  #define PCI_EXT_CAP_PASID_SIZEOF      8
/* Single Root I/O Virtualization */
@@ -975,6 +978,8 @@
  #define  PCI_LTR_VALUE_MASK   0x000003ff
  #define  PCI_LTR_SCALE_MASK   0x00001c00
  #define  PCI_LTR_SCALE_SHIFT  10
+#define  PCI_LTR_NOSNOOP_VALUE 0x03ff0000 /* Max No-Snoop Latency Value */
+#define  PCI_LTR_NOSNOOP_SCALE 0x1c000000 /* Scale for Max Value */
  #define PCI_EXT_CAP_LTR_SIZEOF        8
/* Access Control Service */
@@ -1042,9 +1047,16 @@
  #define PCI_EXP_DPC_STATUS            0x08    /* DPC Status */
  #define  PCI_EXP_DPC_STATUS_TRIGGER       0x0001 /* Trigger Status */
  #define  PCI_EXP_DPC_STATUS_TRIGGER_RSN           0x0006 /* Trigger Reason */
+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_UNCOR  0x0000 /* Uncorrectable error */
+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_NFE    0x0002 /* Rcvd ERR_NONFATAL */
+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_FE     0x0004 /* Rcvd ERR_FATAL */
+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_IN_EXT 0x0006 /* Reason in Trig Reason 
Extension field */
  #define  PCI_EXP_DPC_STATUS_INTERRUPT     0x0008 /* Interrupt Status */
  #define  PCI_EXP_DPC_RP_BUSY              0x0010 /* Root Port Busy */
  #define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_EXT 0x0060 /* Trig Reason Extension */
+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_RP_PIO         0x0000  /* RP PIO error 
*/
+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_SW_TRIGGER     0x0020  /* DPC SW 
Trigger bit */
+#define  PCI_EXP_DPC_RP_PIO_FEP                    0x1f00 /* RP PIO First Err 
Ptr */
#define PCI_EXP_DPC_SOURCE_ID 0x0A /* DPC Source Identifier */ @@ -1088,6 +1100,8 @@
  #define  PCI_L1SS_CTL1_LTR_L12_TH_VALUE       0x03ff0000  /* 
LTR_L1.2_THRESHOLD_Value */
  #define  PCI_L1SS_CTL1_LTR_L12_TH_SCALE       0xe0000000  /* 
LTR_L1.2_THRESHOLD_Scale */
  #define PCI_L1SS_CTL2         0x0c    /* Control 2 Register */
+#define  PCI_L1SS_CTL2_T_PWR_ON_SCALE  0x00000003  /* T_POWER_ON Scale */
+#define  PCI_L1SS_CTL2_T_PWR_ON_VALUE  0x000000f8  /* T_POWER_ON Value */
/* Designated Vendor-Specific (DVSEC, PCI_EXT_CAP_ID_DVSEC) */
  #define PCI_DVSEC_HEADER1             0x4 /* Designated Vendor-Specific 
Header1 */
diff --git a/include/standard-headers/linux/vhost_types.h 
b/include/standard-headers/linux/vhost_types.h
index 5ad07e134a..fd54044936 100644
--- a/include/standard-headers/linux/vhost_types.h
+++ b/include/standard-headers/linux/vhost_types.h
@@ -185,5 +185,12 @@ struct vhost_vdpa_iova_range {
   * DRIVER_OK
   */
  #define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK  0x6
+/* Device may expose the virtqueue's descriptor area, driver area and
+ * device area to a different group for ASID binding than where its
+ * buffers may reside. Requires VHOST_BACKEND_F_IOTLB_ASID.
+ */
+#define VHOST_BACKEND_F_DESC_ASID    0x7
+/* IOTLB don't flush memory mapping across device reset */
+#define VHOST_BACKEND_F_IOTLB_PERSIST  0x8
#endif
diff --git a/include/standard-headers/linux/virtio_config.h 
b/include/standard-headers/linux/virtio_config.h
index 8a7d0dc8b0..bfd1ca643e 100644
--- a/include/standard-headers/linux/virtio_config.h
+++ b/include/standard-headers/linux/virtio_config.h
@@ -103,6 +103,11 @@
   */
  #define VIRTIO_F_NOTIFICATION_DATA    38
+/* This feature indicates that the driver uses the data provided by the device
+ * as a virtqueue identifier in available buffer notifications.
+ */
+#define VIRTIO_F_NOTIF_CONFIG_DATA     39
+
  /*
   * This feature indicates that the driver can reset a queue individually.
   */
diff --git a/include/standard-headers/linux/virtio_pci.h 
b/include/standard-headers/linux/virtio_pci.h
index be912cfc95..b7fdfd0668 100644
--- a/include/standard-headers/linux/virtio_pci.h
+++ b/include/standard-headers/linux/virtio_pci.h
@@ -166,6 +166,17 @@ struct virtio_pci_common_cfg {
        uint32_t queue_used_hi;         /* read-write */
  };
+/*
+ * Warning: do not use sizeof on this: use offsetofend for
+ * specific fields you need.
+ */
+struct virtio_pci_modern_common_cfg {
+       struct virtio_pci_common_cfg cfg;
+
+       uint16_t queue_notify_data;     /* read-write */
+       uint16_t queue_reset;           /* read-write */
+};
+
  /* Fields in VIRTIO_PCI_CAP_PCI_CFG: */
  struct virtio_pci_cfg_cap {
        struct virtio_pci_cap cap;
diff --git a/linux-headers/asm-arm64/kvm.h b/linux-headers/asm-arm64/kvm.h
index 38e5957526..c59ea55cd8 100644
--- a/linux-headers/asm-arm64/kvm.h
+++ b/linux-headers/asm-arm64/kvm.h
@@ -491,6 +491,38 @@ struct kvm_smccc_filter {
  #define KVM_HYPERCALL_EXIT_SMC                (1U << 0)
  #define KVM_HYPERCALL_EXIT_16BIT      (1U << 1)
+/*
+ * Get feature ID registers userspace writable mask.
+ *
+ * From DDI0487J.a, D19.2.66 ("ID_AA64MMFR2_EL1, AArch64 Memory Model
+ * Feature Register 2"):
+ *
+ * "The Feature ID space is defined as the System register space in
+ * AArch64 with op0==3, op1=={0, 1, 3}, CRn==0, CRm=={0-7},
+ * op2=={0-7}."
+ *
+ * This covers all currently known R/O registers that indicate
+ * anything useful feature wise, including the ID registers.
+ *
+ * If we ever need to introduce a new range, it will be described as
+ * such in the range field.
+ */
+#define KVM_ARM_FEATURE_ID_RANGE_IDX(op0, op1, crn, crm, op2)          \
+       ({                                                              \
+               __u64 __op1 = (op1) & 3;                            \
+               __op1 -= (__op1 == 3);                                  \
+               (__op1 << 6 | ((crm) & 7) << 3 | (op2));                \
+       })
+
+#define KVM_ARM_FEATURE_ID_RANGE       0
+#define KVM_ARM_FEATURE_ID_RANGE_SIZE  (3 * 8 * 8)
+
+struct reg_mask_range {
+       __u64 addr;             /* Pointer to mask array */
+       __u32 range;            /* Requested range */
+       __u32 reserved[13];
+};
+
  #endif
#endif /* __ARM_KVM_H__ */
diff --git a/linux-headers/asm-generic/unistd.h 
b/linux-headers/asm-generic/unistd.h
index abe087c53b..756b013fb8 100644
--- a/linux-headers/asm-generic/unistd.h
+++ b/linux-headers/asm-generic/unistd.h
@@ -71,7 +71,7 @@ __SYSCALL(__NR_fremovexattr, sys_fremovexattr)
  #define __NR_getcwd 17
  __SYSCALL(__NR_getcwd, sys_getcwd)
  #define __NR_lookup_dcookie 18
-__SC_COMP(__NR_lookup_dcookie, sys_lookup_dcookie, compat_sys_lookup_dcookie)
+__SYSCALL(__NR_lookup_dcookie, sys_ni_syscall)
  #define __NR_eventfd2 19
  __SYSCALL(__NR_eventfd2, sys_eventfd2)
  #define __NR_epoll_create1 20
@@ -816,15 +816,21 @@ __SYSCALL(__NR_process_mrelease, sys_process_mrelease)
  __SYSCALL(__NR_futex_waitv, sys_futex_waitv)
  #define __NR_set_mempolicy_home_node 450
  __SYSCALL(__NR_set_mempolicy_home_node, sys_set_mempolicy_home_node)
-
  #define __NR_cachestat 451
  __SYSCALL(__NR_cachestat, sys_cachestat)
-
  #define __NR_fchmodat2 452
  __SYSCALL(__NR_fchmodat2, sys_fchmodat2)
+#define __NR_map_shadow_stack 453
+__SYSCALL(__NR_map_shadow_stack, sys_map_shadow_stack)
+#define __NR_futex_wake 454
+__SYSCALL(__NR_futex_wake, sys_futex_wake)
+#define __NR_futex_wait 455
+__SYSCALL(__NR_futex_wait, sys_futex_wait)
+#define __NR_futex_requeue 456
+__SYSCALL(__NR_futex_requeue, sys_futex_requeue)
#undef __NR_syscalls
-#define __NR_syscalls 453
+#define __NR_syscalls 457
/*
   * 32 bit systems traditionally used different
diff --git a/linux-headers/asm-loongarch/bitsperlong.h 
b/linux-headers/asm-loongarch/bitsperlong.h
new file mode 100644
index 0000000000..6dc0bb0c13
--- /dev/null
+++ b/linux-headers/asm-loongarch/bitsperlong.h
@@ -0,0 +1 @@
+#include <asm-generic/bitsperlong.h>
diff --git a/linux-headers/asm-loongarch/kvm.h 
b/linux-headers/asm-loongarch/kvm.h
new file mode 100644
index 0000000000..c6ad2ee610
--- /dev/null
+++ b/linux-headers/asm-loongarch/kvm.h
@@ -0,0 +1,108 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Copyright (C) 2020-2023 Loongson Technology Corporation Limited
+ */
+
+#ifndef __UAPI_ASM_LOONGARCH_KVM_H
+#define __UAPI_ASM_LOONGARCH_KVM_H
+
+#include <linux/types.h>
+
+/*
+ * KVM LoongArch specific structures and definitions.
+ *
+ * Some parts derived from the x86 version of this file.
+ */
+
+#define __KVM_HAVE_READONLY_MEM
+
+#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
+#define KVM_DIRTY_LOG_PAGE_OFFSET      64
+
+/*
+ * for KVM_GET_REGS and KVM_SET_REGS
+ */
+struct kvm_regs {
+       /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
+       __u64 gpr[32];
+       __u64 pc;
+};
+
+/*
+ * for KVM_GET_FPU and KVM_SET_FPU
+ */
+struct kvm_fpu {
+       __u32 fcsr;
+       __u64 fcc;    /* 8x8 */
+       struct kvm_fpureg {
+               __u64 val64[4];
+       } fpr[32];
+};
+
+/*
+ * For LoongArch, we use KVM_SET_ONE_REG and KVM_GET_ONE_REG to access various
+ * registers.  The id field is broken down as follows:
+ *
+ *  bits[63..52] - As per linux/kvm.h
+ *  bits[51..32] - Must be zero.
+ *  bits[31..16] - Register set.
+ *
+ * Register set = 0: GP registers from kvm_regs (see definitions below).
+ *
+ * Register set = 1: CSR registers.
+ *
+ * Register set = 2: KVM specific registers (see definitions below).
+ *
+ * Register set = 3: FPU / SIMD registers (see definitions below).
+ *
+ * Other sets registers may be added in the future.  Each set would
+ * have its own identifier in bits[31..16].
+ */
+
+#define KVM_REG_LOONGARCH_GPR          (KVM_REG_LOONGARCH | 0x00000ULL)
+#define KVM_REG_LOONGARCH_CSR          (KVM_REG_LOONGARCH | 0x10000ULL)
+#define KVM_REG_LOONGARCH_KVM          (KVM_REG_LOONGARCH | 0x20000ULL)
+#define KVM_REG_LOONGARCH_FPSIMD       (KVM_REG_LOONGARCH | 0x30000ULL)
+#define KVM_REG_LOONGARCH_CPUCFG       (KVM_REG_LOONGARCH | 0x40000ULL)
+#define KVM_REG_LOONGARCH_MASK         (KVM_REG_LOONGARCH | 0x70000ULL)
+#define KVM_CSR_IDX_MASK               0x7fff
+#define KVM_CPUCFG_IDX_MASK            0x7fff
+
+/*
+ * KVM_REG_LOONGARCH_KVM - KVM specific control registers.
+ */
+
+#define KVM_REG_LOONGARCH_COUNTER      (KVM_REG_LOONGARCH_KVM | 
KVM_REG_SIZE_U64 | 1)
+#define KVM_REG_LOONGARCH_VCPU_RESET   (KVM_REG_LOONGARCH_KVM | 
KVM_REG_SIZE_U64 | 2)
+
+#define LOONGARCH_REG_SHIFT            3
+#define LOONGARCH_REG_64(TYPE, REG)    (TYPE | KVM_REG_SIZE_U64 | (REG << 
LOONGARCH_REG_SHIFT))
+#define KVM_IOC_CSRID(REG)             LOONGARCH_REG_64(KVM_REG_LOONGARCH_CSR, 
REG)
+#define KVM_IOC_CPUCFG(REG)            
LOONGARCH_REG_64(KVM_REG_LOONGARCH_CPUCFG, REG)
+
+struct kvm_debug_exit_arch {
+};
+
+/* for KVM_SET_GUEST_DEBUG */
+struct kvm_guest_debug_arch {
+};
+
+/* definition of registers in kvm_run */
+struct kvm_sync_regs {
+};
+
+/* dummy definition */
+struct kvm_sregs {
+};
+
+struct kvm_iocsr_entry {
+       __u32 addr;
+       __u32 pad;
+       __u64 data;
+};
+
+#define KVM_NR_IRQCHIPS                1
+#define KVM_IRQCHIP_NUM_PINS   64
+#define KVM_MAX_CORES          256
+
+#endif /* __UAPI_ASM_LOONGARCH_KVM_H */
diff --git a/linux-headers/asm-loongarch/mman.h 
b/linux-headers/asm-loongarch/mman.h
new file mode 100644
index 0000000000..8eebf89f5a
--- /dev/null
+++ b/linux-headers/asm-loongarch/mman.h
@@ -0,0 +1 @@
+#include <asm-generic/mman.h>
diff --git a/linux-headers/asm-loongarch/unistd.h 
b/linux-headers/asm-loongarch/unistd.h
new file mode 100644
index 0000000000..fcb668984f
--- /dev/null
+++ b/linux-headers/asm-loongarch/unistd.h
@@ -0,0 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#define __ARCH_WANT_SYS_CLONE
+#define __ARCH_WANT_SYS_CLONE3
+
+#include <asm-generic/unistd.h>
diff --git a/linux-headers/asm-mips/unistd_n32.h 
b/linux-headers/asm-mips/unistd_n32.h
index 46d8500654..994b6f008f 100644
--- a/linux-headers/asm-mips/unistd_n32.h
+++ b/linux-headers/asm-mips/unistd_n32.h
@@ -381,5 +381,9 @@
  #define __NR_set_mempolicy_home_node (__NR_Linux + 450)
  #define __NR_cachestat (__NR_Linux + 451)
  #define __NR_fchmodat2 (__NR_Linux + 452)
+#define __NR_map_shadow_stack (__NR_Linux + 453)
+#define __NR_futex_wake (__NR_Linux + 454)
+#define __NR_futex_wait (__NR_Linux + 455)
+#define __NR_futex_requeue (__NR_Linux + 456)
#endif /* _ASM_UNISTD_N32_H */
diff --git a/linux-headers/asm-mips/unistd_n64.h 
b/linux-headers/asm-mips/unistd_n64.h
index c2f7ac673b..41dcf5877a 100644
--- a/linux-headers/asm-mips/unistd_n64.h
+++ b/linux-headers/asm-mips/unistd_n64.h
@@ -357,5 +357,9 @@
  #define __NR_set_mempolicy_home_node (__NR_Linux + 450)
  #define __NR_cachestat (__NR_Linux + 451)
  #define __NR_fchmodat2 (__NR_Linux + 452)
+#define __NR_map_shadow_stack (__NR_Linux + 453)
+#define __NR_futex_wake (__NR_Linux + 454)
+#define __NR_futex_wait (__NR_Linux + 455)
+#define __NR_futex_requeue (__NR_Linux + 456)
#endif /* _ASM_UNISTD_N64_H */
diff --git a/linux-headers/asm-mips/unistd_o32.h 
b/linux-headers/asm-mips/unistd_o32.h
index 757c68f2ad..ae9d334d96 100644
--- a/linux-headers/asm-mips/unistd_o32.h
+++ b/linux-headers/asm-mips/unistd_o32.h
@@ -427,5 +427,9 @@
  #define __NR_set_mempolicy_home_node (__NR_Linux + 450)
  #define __NR_cachestat (__NR_Linux + 451)
  #define __NR_fchmodat2 (__NR_Linux + 452)
+#define __NR_map_shadow_stack (__NR_Linux + 453)
+#define __NR_futex_wake (__NR_Linux + 454)
+#define __NR_futex_wait (__NR_Linux + 455)
+#define __NR_futex_requeue (__NR_Linux + 456)
#endif /* _ASM_UNISTD_O32_H */
diff --git a/linux-headers/asm-powerpc/unistd_32.h 
b/linux-headers/asm-powerpc/unistd_32.h
index 8ef94bbac1..b9b23d66d7 100644
--- a/linux-headers/asm-powerpc/unistd_32.h
+++ b/linux-headers/asm-powerpc/unistd_32.h
@@ -434,6 +434,10 @@
  #define __NR_set_mempolicy_home_node 450
  #define __NR_cachestat 451
  #define __NR_fchmodat2 452
+#define __NR_map_shadow_stack 453
+#define __NR_futex_wake 454
+#define __NR_futex_wait 455
+#define __NR_futex_requeue 456
#endif /* _ASM_UNISTD_32_H */
diff --git a/linux-headers/asm-powerpc/unistd_64.h 
b/linux-headers/asm-powerpc/unistd_64.h
index 0e7ee43e88..cbb4b3e8f7 100644
--- a/linux-headers/asm-powerpc/unistd_64.h
+++ b/linux-headers/asm-powerpc/unistd_64.h
@@ -406,6 +406,10 @@
  #define __NR_set_mempolicy_home_node 450
  #define __NR_cachestat 451
  #define __NR_fchmodat2 452
+#define __NR_map_shadow_stack 453
+#define __NR_futex_wake 454
+#define __NR_futex_wait 455
+#define __NR_futex_requeue 456
#endif /* _ASM_UNISTD_64_H */
diff --git a/linux-headers/asm-riscv/kvm.h b/linux-headers/asm-riscv/kvm.h
index 992c5e4071..60d3b21dea 100644
--- a/linux-headers/asm-riscv/kvm.h
+++ b/linux-headers/asm-riscv/kvm.h
@@ -80,6 +80,7 @@ struct kvm_riscv_csr {
        unsigned long sip;
        unsigned long satp;
        unsigned long scounteren;
+       unsigned long senvcfg;
  };
/* AIA CSR registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
@@ -93,6 +94,11 @@ struct kvm_riscv_aia_csr {
        unsigned long iprio2h;
  };
+/* Smstateen CSR for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
+struct kvm_riscv_smstateen_csr {
+       unsigned long sstateen0;
+};
+
  /* TIMER registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
  struct kvm_riscv_timer {
        __u64 frequency;
@@ -131,6 +137,8 @@ enum KVM_RISCV_ISA_EXT_ID {
        KVM_RISCV_ISA_EXT_ZICSR,
        KVM_RISCV_ISA_EXT_ZIFENCEI,
        KVM_RISCV_ISA_EXT_ZIHPM,
+       KVM_RISCV_ISA_EXT_SMSTATEEN,
+       KVM_RISCV_ISA_EXT_ZICOND,
        KVM_RISCV_ISA_EXT_MAX,
  };
@@ -148,6 +156,7 @@ enum KVM_RISCV_SBI_EXT_ID {
        KVM_RISCV_SBI_EXT_PMU,
        KVM_RISCV_SBI_EXT_EXPERIMENTAL,
        KVM_RISCV_SBI_EXT_VENDOR,
+       KVM_RISCV_SBI_EXT_DBCN,
        KVM_RISCV_SBI_EXT_MAX,
  };
@@ -178,10 +187,13 @@ enum KVM_RISCV_SBI_EXT_ID {
  #define KVM_REG_RISCV_CSR             (0x03 << KVM_REG_RISCV_TYPE_SHIFT)
  #define KVM_REG_RISCV_CSR_GENERAL     (0x0 << KVM_REG_RISCV_SUBTYPE_SHIFT)
  #define KVM_REG_RISCV_CSR_AIA         (0x1 << KVM_REG_RISCV_SUBTYPE_SHIFT)
+#define KVM_REG_RISCV_CSR_SMSTATEEN    (0x2 << KVM_REG_RISCV_SUBTYPE_SHIFT)
  #define KVM_REG_RISCV_CSR_REG(name)   \
                (offsetof(struct kvm_riscv_csr, name) / sizeof(unsigned long))
  #define KVM_REG_RISCV_CSR_AIA_REG(name)       \
        (offsetof(struct kvm_riscv_aia_csr, name) / sizeof(unsigned long))
+#define KVM_REG_RISCV_CSR_SMSTATEEN_REG(name)  \
+       (offsetof(struct kvm_riscv_smstateen_csr, name) / sizeof(unsigned long))
/* Timer registers are mapped as type 4 */
  #define KVM_REG_RISCV_TIMER           (0x04 << KVM_REG_RISCV_TYPE_SHIFT)
diff --git a/linux-headers/asm-s390/unistd_32.h 
b/linux-headers/asm-s390/unistd_32.h
index 716fa368ca..c093e6d5f9 100644
--- a/linux-headers/asm-s390/unistd_32.h
+++ b/linux-headers/asm-s390/unistd_32.h
@@ -425,5 +425,9 @@
  #define __NR_set_mempolicy_home_node 450
  #define __NR_cachestat 451
  #define __NR_fchmodat2 452
+#define __NR_map_shadow_stack 453
+#define __NR_futex_wake 454
+#define __NR_futex_wait 455
+#define __NR_futex_requeue 456
#endif /* _ASM_S390_UNISTD_32_H */
diff --git a/linux-headers/asm-s390/unistd_64.h 
b/linux-headers/asm-s390/unistd_64.h
index b2a11b1d13..114c0569a4 100644
--- a/linux-headers/asm-s390/unistd_64.h
+++ b/linux-headers/asm-s390/unistd_64.h
@@ -373,5 +373,9 @@
  #define __NR_set_mempolicy_home_node 450
  #define __NR_cachestat 451
  #define __NR_fchmodat2 452
+#define __NR_map_shadow_stack 453
+#define __NR_futex_wake 454
+#define __NR_futex_wait 455
+#define __NR_futex_requeue 456
#endif /* _ASM_S390_UNISTD_64_H */
diff --git a/linux-headers/asm-x86/unistd_32.h 
b/linux-headers/asm-x86/unistd_32.h
index d749ad1c24..329649c377 100644
--- a/linux-headers/asm-x86/unistd_32.h
+++ b/linux-headers/asm-x86/unistd_32.h
@@ -443,6 +443,10 @@
  #define __NR_set_mempolicy_home_node 450
  #define __NR_cachestat 451
  #define __NR_fchmodat2 452
+#define __NR_map_shadow_stack 453
+#define __NR_futex_wake 454
+#define __NR_futex_wait 455
+#define __NR_futex_requeue 456
#endif /* _ASM_UNISTD_32_H */
diff --git a/linux-headers/asm-x86/unistd_64.h 
b/linux-headers/asm-x86/unistd_64.h
index cea67282eb..4583606ce6 100644
--- a/linux-headers/asm-x86/unistd_64.h
+++ b/linux-headers/asm-x86/unistd_64.h
@@ -366,6 +366,9 @@
  #define __NR_cachestat 451
  #define __NR_fchmodat2 452
  #define __NR_map_shadow_stack 453
+#define __NR_futex_wake 454
+#define __NR_futex_wait 455
+#define __NR_futex_requeue 456
#endif /* _ASM_UNISTD_64_H */
diff --git a/linux-headers/asm-x86/unistd_x32.h 
b/linux-headers/asm-x86/unistd_x32.h
index 5b2e79bf4c..146d74d8e4 100644
--- a/linux-headers/asm-x86/unistd_x32.h
+++ b/linux-headers/asm-x86/unistd_x32.h
@@ -318,6 +318,9 @@
  #define __NR_set_mempolicy_home_node (__X32_SYSCALL_BIT + 450)
  #define __NR_cachestat (__X32_SYSCALL_BIT + 451)
  #define __NR_fchmodat2 (__X32_SYSCALL_BIT + 452)
+#define __NR_futex_wake (__X32_SYSCALL_BIT + 454)
+#define __NR_futex_wait (__X32_SYSCALL_BIT + 455)
+#define __NR_futex_requeue (__X32_SYSCALL_BIT + 456)
  #define __NR_rt_sigaction (__X32_SYSCALL_BIT + 512)
  #define __NR_rt_sigreturn (__X32_SYSCALL_BIT + 513)
  #define __NR_ioctl (__X32_SYSCALL_BIT + 514)
diff --git a/linux-headers/linux/iommufd.h b/linux-headers/linux/iommufd.h
index 218bf7ac98..806d98d09c 100644
--- a/linux-headers/linux/iommufd.h
+++ b/linux-headers/linux/iommufd.h
@@ -47,6 +47,8 @@ enum {
        IOMMUFD_CMD_VFIO_IOAS,
        IOMMUFD_CMD_HWPT_ALLOC,
        IOMMUFD_CMD_GET_HW_INFO,
+       IOMMUFD_CMD_HWPT_SET_DIRTY_TRACKING,
+       IOMMUFD_CMD_HWPT_GET_DIRTY_BITMAP,
  };
/**
@@ -347,20 +349,86 @@ struct iommu_vfio_ioas {
  };
  #define IOMMU_VFIO_IOAS _IO(IOMMUFD_TYPE, IOMMUFD_CMD_VFIO_IOAS)
+/**
+ * enum iommufd_hwpt_alloc_flags - Flags for HWPT allocation
+ * @IOMMU_HWPT_ALLOC_NEST_PARENT: If set, allocate a HWPT that can serve as
+ *                                the parent HWPT in a nesting configuration.
+ * @IOMMU_HWPT_ALLOC_DIRTY_TRACKING: Dirty tracking support for device IOMMU is
+ *                                   enforced on device attachment
+ */
+enum iommufd_hwpt_alloc_flags {
+       IOMMU_HWPT_ALLOC_NEST_PARENT = 1 << 0,
+       IOMMU_HWPT_ALLOC_DIRTY_TRACKING = 1 << 1,
+};
+
+/**
+ * enum iommu_hwpt_vtd_s1_flags - Intel VT-d stage-1 page table
+ *                                entry attributes
+ * @IOMMU_VTD_S1_SRE: Supervisor request
+ * @IOMMU_VTD_S1_EAFE: Extended access enable
+ * @IOMMU_VTD_S1_WPE: Write protect enable
+ */
+enum iommu_hwpt_vtd_s1_flags {
+       IOMMU_VTD_S1_SRE = 1 << 0,
+       IOMMU_VTD_S1_EAFE = 1 << 1,
+       IOMMU_VTD_S1_WPE = 1 << 2,
+};
+
+/**
+ * struct iommu_hwpt_vtd_s1 - Intel VT-d stage-1 page table
+ *                            info (IOMMU_HWPT_DATA_VTD_S1)
+ * @flags: Combination of enum iommu_hwpt_vtd_s1_flags
+ * @pgtbl_addr: The base address of the stage-1 page table.
+ * @addr_width: The address width of the stage-1 page table
+ * @__reserved: Must be 0
+ */
+struct iommu_hwpt_vtd_s1 {
+       __aligned_u64 flags;
+       __aligned_u64 pgtbl_addr;
+       __u32 addr_width;
+       __u32 __reserved;
+};
+
+/**
+ * enum iommu_hwpt_data_type - IOMMU HWPT Data Type
+ * @IOMMU_HWPT_DATA_NONE: no data
+ * @IOMMU_HWPT_DATA_VTD_S1: Intel VT-d stage-1 page table
+ */
+enum iommu_hwpt_data_type {
+       IOMMU_HWPT_DATA_NONE,
+       IOMMU_HWPT_DATA_VTD_S1,
+};
+
  /**
   * struct iommu_hwpt_alloc - ioctl(IOMMU_HWPT_ALLOC)
   * @size: sizeof(struct iommu_hwpt_alloc)
- * @flags: Must be 0
+ * @flags: Combination of enum iommufd_hwpt_alloc_flags
   * @dev_id: The device to allocate this HWPT for
- * @pt_id: The IOAS to connect this HWPT to
+ * @pt_id: The IOAS or HWPT to connect this HWPT to
   * @out_hwpt_id: The ID of the new HWPT
   * @__reserved: Must be 0
+ * @data_type: One of enum iommu_hwpt_data_type
+ * @data_len: Length of the type specific data
+ * @data_uptr: User pointer to the type specific data
   *
   * Explicitly allocate a hardware page table object. This is the same object
   * type that is returned by iommufd_device_attach() and represents the
   * underlying iommu driver's iommu_domain kernel object.
   *
- * A HWPT will be created with the IOVA mappings from the given IOAS.
+ * A kernel-managed HWPT will be created with the mappings from the given
+ * IOAS via the @pt_id. The @data_type for this allocation must be set to
+ * IOMMU_HWPT_DATA_NONE. The HWPT can be allocated as a parent HWPT for a
+ * nesting configuration by passing IOMMU_HWPT_ALLOC_NEST_PARENT via @flags.
+ *
+ * A user-managed nested HWPT will be created from a given parent HWPT via
+ * @pt_id, in which the parent HWPT must be allocated previously via the
+ * same ioctl from a given IOAS (@pt_id). In this case, the @data_type
+ * must be set to a pre-defined type corresponding to an I/O page table
+ * type supported by the underlying IOMMU hardware.
+ *
+ * If the @data_type is set to IOMMU_HWPT_DATA_NONE, @data_len and
+ * @data_uptr should be zero. Otherwise, both @data_len and @data_uptr
+ * must be given.
   */
  struct iommu_hwpt_alloc {
        __u32 size;
@@ -369,13 +437,26 @@ struct iommu_hwpt_alloc {
        __u32 pt_id;
        __u32 out_hwpt_id;
        __u32 __reserved;
+       __u32 data_type;
+       __u32 data_len;
+       __aligned_u64 data_uptr;
  };
  #define IOMMU_HWPT_ALLOC _IO(IOMMUFD_TYPE, IOMMUFD_CMD_HWPT_ALLOC)
+/**
+ * enum iommu_hw_info_vtd_flags - Flags for VT-d hw_info
+ * @IOMMU_HW_INFO_VTD_ERRATA_772415_SPR17: If set, disallow read-only mappings
+ *                                         on a nested_parent domain.
+ *                                         
https://www.intel.com/content/www/us/en/content-details/772415/content-details.html
+ */
+enum iommu_hw_info_vtd_flags {
+       IOMMU_HW_INFO_VTD_ERRATA_772415_SPR17 = 1 << 0,
+};
+
  /**
   * struct iommu_hw_info_vtd - Intel VT-d hardware information
   *
- * @flags: Must be 0
+ * @flags: Combination of enum iommu_hw_info_vtd_flags
   * @__reserved: Must be 0
   *
   * @cap_reg: Value of Intel VT-d capability register defined in VT-d spec
@@ -404,6 +485,20 @@ enum iommu_hw_info_type {
        IOMMU_HW_INFO_TYPE_INTEL_VTD,
  };
+/**
+ * enum iommufd_hw_capabilities
+ * @IOMMU_HW_CAP_DIRTY_TRACKING: IOMMU hardware support for dirty tracking
+ *                               If available, it means the following APIs
+ *                               are supported:
+ *
+ *                                   IOMMU_HWPT_GET_DIRTY_BITMAP
+ *                                   IOMMU_HWPT_SET_DIRTY_TRACKING
+ *
+ */
+enum iommufd_hw_capabilities {
+       IOMMU_HW_CAP_DIRTY_TRACKING = 1 << 0,
+};
+
  /**
   * struct iommu_hw_info - ioctl(IOMMU_GET_HW_INFO)
   * @size: sizeof(struct iommu_hw_info)
@@ -415,6 +510,8 @@ enum iommu_hw_info_type {
   *             the iommu type specific hardware information data
   * @out_data_type: Output the iommu hardware info type as defined in the enum
   *                 iommu_hw_info_type.
+ * @out_capabilities: Output the generic iommu capability info type as defined
+ *                    in the enum iommu_hw_capabilities.
   * @__reserved: Must be 0
   *
   * Query an iommu type specific hardware information data from an iommu behind
@@ -439,6 +536,81 @@ struct iommu_hw_info {
        __aligned_u64 data_uptr;
        __u32 out_data_type;
        __u32 __reserved;
+       __aligned_u64 out_capabilities;
  };
  #define IOMMU_GET_HW_INFO _IO(IOMMUFD_TYPE, IOMMUFD_CMD_GET_HW_INFO)
+
+/*
+ * enum iommufd_hwpt_set_dirty_tracking_flags - Flags for steering dirty
+ *                                              tracking
+ * @IOMMU_HWPT_DIRTY_TRACKING_ENABLE: Enable dirty tracking
+ */
+enum iommufd_hwpt_set_dirty_tracking_flags {
+       IOMMU_HWPT_DIRTY_TRACKING_ENABLE = 1,
+};
+
+/**
+ * struct iommu_hwpt_set_dirty_tracking - ioctl(IOMMU_HWPT_SET_DIRTY_TRACKING)
+ * @size: sizeof(struct iommu_hwpt_set_dirty_tracking)
+ * @flags: Combination of enum iommufd_hwpt_set_dirty_tracking_flags
+ * @hwpt_id: HW pagetable ID that represents the IOMMU domain
+ * @__reserved: Must be 0
+ *
+ * Toggle dirty tracking on an HW pagetable.
+ */
+struct iommu_hwpt_set_dirty_tracking {
+       __u32 size;
+       __u32 flags;
+       __u32 hwpt_id;
+       __u32 __reserved;
+};
+#define IOMMU_HWPT_SET_DIRTY_TRACKING _IO(IOMMUFD_TYPE, \
+                                         IOMMUFD_CMD_HWPT_SET_DIRTY_TRACKING)
+
+/**
+ * enum iommufd_hwpt_get_dirty_bitmap_flags - Flags for getting dirty bits
+ * @IOMMU_HWPT_GET_DIRTY_BITMAP_NO_CLEAR: Just read the PTEs without clearing
+ *                                        any dirty bits metadata. This flag
+ *                                        can be passed in the expectation
+ *                                        where the next operation is an unmap
+ *                                        of the same IOVA range.
+ *
+ */
+enum iommufd_hwpt_get_dirty_bitmap_flags {
+       IOMMU_HWPT_GET_DIRTY_BITMAP_NO_CLEAR = 1,
+};
+
+/**
+ * struct iommu_hwpt_get_dirty_bitmap - ioctl(IOMMU_HWPT_GET_DIRTY_BITMAP)
+ * @size: sizeof(struct iommu_hwpt_get_dirty_bitmap)
+ * @hwpt_id: HW pagetable ID that represents the IOMMU domain
+ * @flags: Combination of enum iommufd_hwpt_get_dirty_bitmap_flags
+ * @__reserved: Must be 0
+ * @iova: base IOVA of the bitmap first bit
+ * @length: IOVA range size
+ * @page_size: page size granularity of each bit in the bitmap
+ * @data: bitmap where to set the dirty bits. The bitmap bits each
+ *        represent a page_size which you deviate from an arbitrary iova.
+ *
+ * Checking a given IOVA is dirty:
+ *
+ *  data[(iova / page_size) / 64] & (1ULL << ((iova / page_size) % 64))
+ *
+ * Walk the IOMMU pagetables for a given IOVA range to return a bitmap
+ * with the dirty IOVAs. In doing so it will also by default clear any
+ * dirty bit metadata set in the IOPTE.
+ */
+struct iommu_hwpt_get_dirty_bitmap {
+       __u32 size;
+       __u32 hwpt_id;
+       __u32 flags;
+       __u32 __reserved;
+       __aligned_u64 iova;
+       __aligned_u64 length;
+       __aligned_u64 page_size;
+       __aligned_u64 data;
+};
+#define IOMMU_HWPT_GET_DIRTY_BITMAP _IO(IOMMUFD_TYPE, \
+                                       IOMMUFD_CMD_HWPT_GET_DIRTY_BITMAP)
+
  #endif
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 0d74ee999a..549fea3a97 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -264,6 +264,7 @@ struct kvm_xen_exit {
  #define KVM_EXIT_RISCV_SBI        35
  #define KVM_EXIT_RISCV_CSR        36
  #define KVM_EXIT_NOTIFY           37
+#define KVM_EXIT_LOONGARCH_IOCSR  38
/* For KVM_EXIT_INTERNAL_ERROR */
  /* Emulate instruction failed. */
@@ -336,6 +337,13 @@ struct kvm_run {
                        __u32 len;
                        __u8  is_write;
                } mmio;
+               /* KVM_EXIT_LOONGARCH_IOCSR */
+               struct {
+                       __u64 phys_addr;
+                       __u8  data[8];
+                       __u32 len;
+                       __u8  is_write;
+               } iocsr_io;
                /* KVM_EXIT_HYPERCALL */
                struct {
                        __u64 nr;
@@ -1188,6 +1196,7 @@ struct kvm_ppc_resize_hpt {
  #define KVM_CAP_COUNTER_OFFSET 227
  #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
  #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
+#define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
#ifdef KVM_CAP_IRQ_ROUTING @@ -1358,6 +1367,7 @@ struct kvm_dirty_tlb {
  #define KVM_REG_ARM64         0x6000000000000000ULL
  #define KVM_REG_MIPS          0x7000000000000000ULL
  #define KVM_REG_RISCV         0x8000000000000000ULL
+#define KVM_REG_LOONGARCH      0x9000000000000000ULL
#define KVM_REG_SIZE_SHIFT 52
  #define KVM_REG_SIZE_MASK     0x00f0000000000000ULL
@@ -1558,6 +1568,7 @@ struct kvm_s390_ucas_mapping {
  #define KVM_ARM_MTE_COPY_TAGS   _IOR(KVMIO,  0xb4, struct 
kvm_arm_copy_mte_tags)
  /* Available with KVM_CAP_COUNTER_OFFSET */
  #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO,  0xb5, struct 
kvm_arm_counter_offset)
+#define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO,  0xb6, struct 
reg_mask_range)
/* ioctl for vm fd */
  #define KVM_CREATE_DEVICE       _IOWR(KVMIO,  0xe0, struct kvm_create_device)
diff --git a/linux-headers/linux/psp-sev.h b/linux-headers/linux/psp-sev.h
index 12ccb70099..bcb21339ee 100644
--- a/linux-headers/linux/psp-sev.h
+++ b/linux-headers/linux/psp-sev.h
@@ -68,6 +68,7 @@ typedef enum {
        SEV_RET_INVALID_PARAM,
        SEV_RET_RESOURCE_LIMIT,
        SEV_RET_SECURE_DATA_INVALID,
+       SEV_RET_INVALID_KEY = 0x27,
        SEV_RET_MAX,
  } sev_ret_code;
diff --git a/linux-headers/linux/stddef.h b/linux-headers/linux/stddef.h
index 9bb07083ac..bf9749dd14 100644
--- a/linux-headers/linux/stddef.h
+++ b/linux-headers/linux/stddef.h
@@ -27,8 +27,13 @@
        union { \
                struct { MEMBERS } ATTRS; \
                struct TAG { MEMBERS } ATTRS NAME; \
-       }
+       } ATTRS
+#ifdef __cplusplus
+/* sizeof(struct{}) is 1 in C++, not 0, can't use C version of the macro. */
+#define __DECLARE_FLEX_ARRAY(T, member)        \
+       T member[0]
+#else
  /**
   * __DECLARE_FLEX_ARRAY() - Declare a flexible array usable in a union
   *
@@ -49,3 +54,5 @@
  #ifndef __counted_by
  #define __counted_by(m)
  #endif
+
+#endif /* _LINUX_STDDEF_H */
diff --git a/linux-headers/linux/userfaultfd.h 
b/linux-headers/linux/userfaultfd.h
index 59978fbaae..953c75feda 100644
--- a/linux-headers/linux/userfaultfd.h
+++ b/linux-headers/linux/userfaultfd.h
@@ -40,7 +40,8 @@
                           UFFD_FEATURE_EXACT_ADDRESS |         \
                           UFFD_FEATURE_WP_HUGETLBFS_SHMEM |    \
                           UFFD_FEATURE_WP_UNPOPULATED |        \
-                          UFFD_FEATURE_POISON)
+                          UFFD_FEATURE_POISON |                \
+                          UFFD_FEATURE_WP_ASYNC)
  #define UFFD_API_IOCTLS                               \
        ((__u64)1 << _UFFDIO_REGISTER |           \
         (__u64)1 << _UFFDIO_UNREGISTER | \
@@ -216,6 +217,11 @@ struct uffdio_api {
         * (i.e. empty ptes).  This will be the default behavior for shmem
         * & hugetlbfs, so this flag only affects anonymous memory behavior
         * when userfault write-protection mode is registered.
+        *
+        * UFFD_FEATURE_WP_ASYNC indicates that userfaultfd write-protection
+        * asynchronous mode is supported in which the write fault is
+        * automatically resolved and write-protection is un-set.
+        * It implies UFFD_FEATURE_WP_UNPOPULATED.
         */
  #define UFFD_FEATURE_PAGEFAULT_FLAG_WP                (1<<0)
  #define UFFD_FEATURE_EVENT_FORK                       (1<<1)
@@ -232,6 +238,7 @@ struct uffdio_api {
  #define UFFD_FEATURE_WP_HUGETLBFS_SHMEM               (1<<12)
  #define UFFD_FEATURE_WP_UNPOPULATED           (1<<13)
  #define UFFD_FEATURE_POISON                   (1<<14)
+#define UFFD_FEATURE_WP_ASYNC                  (1<<15)
        __u64 features;
__u64 ioctls;
diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
index acf72b4999..8e175ece31 100644
--- a/linux-headers/linux/vfio.h
+++ b/linux-headers/linux/vfio.h
@@ -277,8 +277,8 @@ struct vfio_region_info {
  #define VFIO_REGION_INFO_FLAG_CAPS    (1 << 3) /* Info supports caps */
        __u32   index;          /* Region index */
        __u32   cap_offset;     /* Offset within info struct of first cap */
-       __u64   size;           /* Region size (bytes) */
-       __u64   offset;         /* Region offset from start of device fd */
+       __aligned_u64   size;   /* Region size (bytes) */
+       __aligned_u64   offset; /* Region offset from start of device fd */
  };
  #define VFIO_DEVICE_GET_REGION_INFO   _IO(VFIO_TYPE, VFIO_BASE + 8)
@@ -294,8 +294,8 @@ struct vfio_region_info {
  #define VFIO_REGION_INFO_CAP_SPARSE_MMAP      1
struct vfio_region_sparse_mmap_area {
-       __u64   offset; /* Offset of mmap'able area within region */
-       __u64   size;   /* Size of mmap'able area */
+       __aligned_u64   offset; /* Offset of mmap'able area within region */
+       __aligned_u64   size;   /* Size of mmap'able area */
  };
struct vfio_region_info_cap_sparse_mmap {
@@ -450,9 +450,9 @@ struct vfio_device_migration_info {
                                             VFIO_DEVICE_STATE_V1_RESUMING)
__u32 reserved;
-       __u64 pending_bytes;
-       __u64 data_offset;
-       __u64 data_size;
+       __aligned_u64 pending_bytes;
+       __aligned_u64 data_offset;
+       __aligned_u64 data_size;
  };
/*
@@ -476,7 +476,7 @@ struct vfio_device_migration_info {
struct vfio_region_info_cap_nvlink2_ssatgt {
        struct vfio_info_cap_header header;
-       __u64 tgt;
+       __aligned_u64 tgt;
  };
/*
@@ -816,7 +816,7 @@ struct vfio_device_gfx_plane_info {
        __u32 drm_plane_type;   /* type of plane: DRM_PLANE_TYPE_* */
        /* out */
        __u32 drm_format;       /* drm format of plane */
-       __u64 drm_format_mod;   /* tiled mode */
+       __aligned_u64 drm_format_mod;   /* tiled mode */
        __u32 width;    /* width of plane */
        __u32 height;   /* height of plane */
        __u32 stride;   /* stride of plane */
@@ -829,6 +829,7 @@ struct vfio_device_gfx_plane_info {
                __u32 region_index;     /* region index */
                __u32 dmabuf_id;        /* dma-buf id */
        };
+       __u32 reserved;
  };
#define VFIO_DEVICE_QUERY_GFX_PLANE _IO(VFIO_TYPE, VFIO_BASE + 14)
@@ -863,9 +864,10 @@ struct vfio_device_ioeventfd {
  #define VFIO_DEVICE_IOEVENTFD_32      (1 << 2) /* 4-byte write */
  #define VFIO_DEVICE_IOEVENTFD_64      (1 << 3) /* 8-byte write */
  #define VFIO_DEVICE_IOEVENTFD_SIZE_MASK       (0xf)
-       __u64   offset;                 /* device fd offset of write */
-       __u64   data;                   /* data to be written */
+       __aligned_u64   offset;         /* device fd offset of write */
+       __aligned_u64   data;           /* data to be written */
        __s32   fd;                     /* -1 for de-assignment */
+       __u32   reserved;
  };
#define VFIO_DEVICE_IOEVENTFD _IO(VFIO_TYPE, VFIO_BASE + 16)
@@ -1434,6 +1436,27 @@ struct vfio_device_feature_mig_data_size {
#define VFIO_DEVICE_FEATURE_MIG_DATA_SIZE 9 +/**
+ * Upon VFIO_DEVICE_FEATURE_SET, set or clear the BUS mastering for the device
+ * based on the operation specified in op flag.
+ *
+ * The functionality is incorporated for devices that needs bus master control,
+ * but the in-band device interface lacks the support. Consequently, it is not
+ * applicable to PCI devices, as bus master control for PCI devices is managed
+ * in-band through the configuration space. At present, this feature is 
supported
+ * only for CDX devices.
+ * When the device's BUS MASTER setting is configured as CLEAR, it will result 
in
+ * blocking all incoming DMA requests from the device. On the other hand, 
configuring
+ * the device's BUS MASTER setting as SET (enable) will grant the device the
+ * capability to perform DMA to the host memory.
+ */
+struct vfio_device_feature_bus_master {
+       __u32 op;
+#define                VFIO_DEVICE_FEATURE_CLEAR_MASTER        0       /* 
Clear Bus Master */
+#define                VFIO_DEVICE_FEATURE_SET_MASTER          1       /* Set 
Bus Master */
+};
+#define VFIO_DEVICE_FEATURE_BUS_MASTER 10
+
  /* -------- API for Type1 VFIO IOMMU -------- */
/**
@@ -1449,7 +1472,7 @@ struct vfio_iommu_type1_info {
        __u32   flags;
  #define VFIO_IOMMU_INFO_PGSIZES (1 << 0)        /* supported page sizes info 
*/
  #define VFIO_IOMMU_INFO_CAPS  (1 << 1)  /* Info supports caps */
-       __u64   iova_pgsizes;   /* Bitmap of supported page sizes */
+       __aligned_u64   iova_pgsizes;           /* Bitmap of supported page 
sizes */
        __u32   cap_offset;     /* Offset within info struct of first cap */
        __u32   pad;
  };
diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h
index f5c48b61ab..649560c685 100644
--- a/linux-headers/linux/vhost.h
+++ b/linux-headers/linux/vhost.h
@@ -219,4 +219,12 @@
   */
  #define VHOST_VDPA_RESUME             _IO(VHOST_VIRTIO, 0x7E)
+/* Get the group for the descriptor table including driver & device areas
+ * of a virtqueue: read index, write group in num.
+ * The virtqueue index is stored in the index field of vhost_vring_state.
+ * The group ID of the descriptor table for this specific virtqueue
+ * is returned via num field of vhost_vring_state.
+ */
+#define VHOST_VDPA_GET_VRING_DESC_GROUP        _IOWR(VHOST_VIRTIO, 0x7F,       
\
+                                             struct vhost_vring_state)
  #endif



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