On Fri, Dec 1, 2023 at 4:29 AM Daniel Henrique Barboza
<dbarb...@ventanamicro.com> wrote:
>
> We'll add a new RISC-V linux-header file, but first let's update all
> headers.
>
> Headers for 'asm-loongarch' were added in this update.
>
> old commit msg:
>
> add asm-riscv/ptrace.h
>
> KVM Vector support for RISC-V requires import linux-header
> arch/riscv/include/uapi/asm/ptrace.h.
>
> Signed-off-by: Daniel Henrique Barboza <dbarb...@ventanamicro.com>
Acked-by: Alistair Francis <alistair.fran...@wdc.com>
Alistair
> ---
> include/standard-headers/drm/drm_fourcc.h | 2 +
> 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 | 7 +
> linux-headers/linux/userfaultfd.h | 9 +-
> linux-headers/linux/vfio.h | 47 +++--
> linux-headers/linux/vhost.h | 8 +
> 29 files changed, 497 insertions(+), 26 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
>
> 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/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..b3d4a9c170 100644
> --- a/linux-headers/linux/stddef.h
> +++ b/linux-headers/linux/stddef.h
> @@ -29,6 +29,11 @@
> struct TAG { MEMBERS } ATTRS NAME; \
> }
>
> +#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
> --
> 2.41.0
>
>
