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linux-headers: Update to Linux v6.17-rc1

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Update headers to include the virtio GSO over UDP tunnel features

Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Tested-by: Lei Yang <leiyang@redhat.com>
Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <0b1f3c011f90583ab52aa4fef04df6db35cc4a69.1758549625.git.pabeni@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Paolo Abeni 2025-09-22 16:18:17 +02:00 • committed by Michael S. Tsirkin
parent c3d9dcd87f
commit 8de6cd5452
29 changed files with 352 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

10
linux-headers/LICENSES/preferred/GPL-2.0
View file

@ -20,8 +20,8 @@ License-Text:
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
<https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
@ -322,10 +322,8 @@ the "copyright" line and a pointer to where the full notice is found.
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
You should have received a copy of the GNU General Public License along
with this program; if not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.

2
linux-headers/asm-arm64/unistd_64.h
View file

@ -324,6 +324,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
#define __NR_file_getattr 468
#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_64_H */

8
linux-headers/asm-generic/unistd.h
View file

@ -852,8 +852,14 @@ __SYSCALL(__NR_removexattrat, sys_removexattrat)
#define __NR_open_tree_attr 467
__SYSCALL(__NR_open_tree_attr, sys_open_tree_attr)
/* fs/inode.c */
#define __NR_file_getattr 468
__SYSCALL(__NR_file_getattr, sys_file_getattr)
#define __NR_file_setattr 469
__SYSCALL(__NR_file_setattr, sys_file_setattr)
#undef __NR_syscalls
#define __NR_syscalls 468
#define __NR_syscalls 470
/*
* 32 bit systems traditionally used different

2
linux-headers/asm-loongarch/unistd_64.h
View file

@ -320,6 +320,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
#define __NR_file_getattr 468
#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_64_H */

2
linux-headers/asm-mips/unistd_n32.h
View file

@ -396,5 +396,7 @@
#define __NR_listxattrat (__NR_Linux + 465)
#define __NR_removexattrat (__NR_Linux + 466)
#define __NR_open_tree_attr (__NR_Linux + 467)
#define __NR_file_getattr (__NR_Linux + 468)
#define __NR_file_setattr (__NR_Linux + 469)
#endif /* _ASM_UNISTD_N32_H */

2
linux-headers/asm-mips/unistd_n64.h
View file

@ -372,5 +372,7 @@
#define __NR_listxattrat (__NR_Linux + 465)
#define __NR_removexattrat (__NR_Linux + 466)
#define __NR_open_tree_attr (__NR_Linux + 467)
#define __NR_file_getattr (__NR_Linux + 468)
#define __NR_file_setattr (__NR_Linux + 469)
#endif /* _ASM_UNISTD_N64_H */

2
linux-headers/asm-mips/unistd_o32.h
View file

@ -442,5 +442,7 @@
#define __NR_listxattrat (__NR_Linux + 465)
#define __NR_removexattrat (__NR_Linux + 466)
#define __NR_open_tree_attr (__NR_Linux + 467)
#define __NR_file_getattr (__NR_Linux + 468)
#define __NR_file_setattr (__NR_Linux + 469)
#endif /* _ASM_UNISTD_O32_H */

13
linux-headers/asm-powerpc/kvm.h
View file

@ -1,18 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright IBM Corp. 2007
*
* Authors: Hollis Blanchard <hollisb@us.ibm.com>

2
linux-headers/asm-powerpc/unistd_32.h
View file

@ -449,6 +449,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
#define __NR_file_getattr 468
#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_32_H */

2
linux-headers/asm-powerpc/unistd_64.h
View file

@ -421,6 +421,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
#define __NR_file_getattr 468
#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_64_H */

1
linux-headers/asm-riscv/kvm.h
View file

@ -18,6 +18,7 @@
#define __KVM_HAVE_IRQ_LINE
#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
#define KVM_DIRTY_LOG_PAGE_OFFSET 64
#define KVM_INTERRUPT_SET -1U
#define KVM_INTERRUPT_UNSET -2U

2
linux-headers/asm-riscv/unistd_32.h
View file

@ -315,6 +315,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
#define __NR_file_getattr 468
#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_32_H */

2
linux-headers/asm-riscv/unistd_64.h
View file

@ -325,6 +325,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
#define __NR_file_getattr 468
#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_64_H */

2
linux-headers/asm-s390/unistd_32.h
View file

@ -440,5 +440,7 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
#define __NR_file_getattr 468
#define __NR_file_setattr 469
#endif /* _ASM_S390_UNISTD_32_H */

2
linux-headers/asm-s390/unistd_64.h
View file

@ -388,5 +388,7 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
#define __NR_file_getattr 468
#define __NR_file_setattr 469
#endif /* _ASM_S390_UNISTD_64_H */

2
linux-headers/asm-x86/unistd_32.h
View file

@ -458,6 +458,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
#define __NR_file_getattr 468
#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_32_H */

2
linux-headers/asm-x86/unistd_64.h
View file

@ -381,6 +381,8 @@
#define __NR_listxattrat 465
#define __NR_removexattrat 466
#define __NR_open_tree_attr 467
#define __NR_file_getattr 468
#define __NR_file_setattr 469
#endif /* _ASM_UNISTD_64_H */

2
linux-headers/asm-x86/unistd_x32.h
View file

@ -334,6 +334,8 @@
#define __NR_listxattrat (__X32_SYSCALL_BIT + 465)
#define __NR_removexattrat (__X32_SYSCALL_BIT + 466)
#define __NR_open_tree_attr (__X32_SYSCALL_BIT + 467)
#define __NR_file_getattr (__X32_SYSCALL_BIT + 468)
#define __NR_file_setattr (__X32_SYSCALL_BIT + 469)
#define __NR_rt_sigaction (__X32_SYSCALL_BIT + 512)
#define __NR_rt_sigreturn (__X32_SYSCALL_BIT + 513)
#define __NR_ioctl (__X32_SYSCALL_BIT + 514)

154
linux-headers/linux/iommufd.h
View file

@ -56,6 +56,7 @@ enum {
IOMMUFD_CMD_VDEVICE_ALLOC = 0x91,
IOMMUFD_CMD_IOAS_CHANGE_PROCESS = 0x92,
IOMMUFD_CMD_VEVENTQ_ALLOC = 0x93,
IOMMUFD_CMD_HW_QUEUE_ALLOC = 0x94,
};
/**
@ -590,17 +591,44 @@ struct iommu_hw_info_arm_smmuv3 {
__u32 aidr;
};
/**
* struct iommu_hw_info_tegra241_cmdqv - NVIDIA Tegra241 CMDQV Hardware
* Information (IOMMU_HW_INFO_TYPE_TEGRA241_CMDQV)
*
* @flags: Must be 0
* @version: Version number for the CMDQ-V HW for PARAM bits[03:00]
* @log2vcmdqs: Log2 of the total number of VCMDQs for PARAM bits[07:04]
* @log2vsids: Log2 of the total number of SID replacements for PARAM bits[15:12]
* @__reserved: Must be 0
*
* VMM can use these fields directly in its emulated global PARAM register. Note
* that only one Virtual Interface (VINTF) should be exposed to a VM, i.e. PARAM
* bits[11:08] should be set to 0 for log2 of the total number of VINTFs.
*/
struct iommu_hw_info_tegra241_cmdqv {
__u32 flags;
__u8 version;
__u8 log2vcmdqs;
__u8 log2vsids;
__u8 __reserved;
};
/**
* enum iommu_hw_info_type - IOMMU Hardware Info Types
* @IOMMU_HW_INFO_TYPE_NONE: Used by the drivers that do not report hardware
* @IOMMU_HW_INFO_TYPE_NONE: Output by the drivers that do not report hardware
* info
* @IOMMU_HW_INFO_TYPE_DEFAULT: Input to request for a default type
* @IOMMU_HW_INFO_TYPE_INTEL_VTD: Intel VT-d iommu info type
* @IOMMU_HW_INFO_TYPE_ARM_SMMUV3: ARM SMMUv3 iommu info type
* @IOMMU_HW_INFO_TYPE_TEGRA241_CMDQV: NVIDIA Tegra241 CMDQV (extension for ARM
* SMMUv3) info type
*/
enum iommu_hw_info_type {
IOMMU_HW_INFO_TYPE_NONE = 0,
IOMMU_HW_INFO_TYPE_DEFAULT = 0,
IOMMU_HW_INFO_TYPE_INTEL_VTD = 1,
IOMMU_HW_INFO_TYPE_ARM_SMMUV3 = 2,
IOMMU_HW_INFO_TYPE_TEGRA241_CMDQV = 3,
};
/**
@ -625,6 +653,15 @@ enum iommufd_hw_capabilities {
IOMMU_HW_CAP_PCI_PASID_PRIV = 1 << 2,
};
/**
* enum iommufd_hw_info_flags - Flags for iommu_hw_info
* @IOMMU_HW_INFO_FLAG_INPUT_TYPE: If set, @in_data_type carries an input type
* for user space to request for a specific info
*/
enum iommufd_hw_info_flags {
IOMMU_HW_INFO_FLAG_INPUT_TYPE = 1 << 0,
};
/**
* struct iommu_hw_info - ioctl(IOMMU_GET_HW_INFO)
* @size: sizeof(struct iommu_hw_info)
@ -634,6 +671,12 @@ enum iommufd_hw_capabilities {
* data that kernel supports
* @data_uptr: User pointer to a user-space buffer used by the kernel to fill
* the iommu type specific hardware information data
* @in_data_type: This shares the same field with @out_data_type, making it be
* a bidirectional field. When IOMMU_HW_INFO_FLAG_INPUT_TYPE is
* set, an input type carried via this @in_data_type field will
* be valid, requesting for the info data to the given type. If
* IOMMU_HW_INFO_FLAG_INPUT_TYPE is unset, any input value will
* be seen as IOMMU_HW_INFO_TYPE_DEFAULT
* @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
@ -663,7 +706,10 @@ struct iommu_hw_info {
__u32 dev_id;
__u32 data_len;
__aligned_u64 data_uptr;
__u32 out_data_type;
union {
__u32 in_data_type;
__u32 out_data_type;
};
__u8 out_max_pasid_log2;
__u8 __reserved[3];
__aligned_u64 out_capabilities;
@ -951,10 +997,29 @@ struct iommu_fault_alloc {
* enum iommu_viommu_type - Virtual IOMMU Type
* @IOMMU_VIOMMU_TYPE_DEFAULT: Reserved for future use
* @IOMMU_VIOMMU_TYPE_ARM_SMMUV3: ARM SMMUv3 driver specific type
* @IOMMU_VIOMMU_TYPE_TEGRA241_CMDQV: NVIDIA Tegra241 CMDQV (extension for ARM
* SMMUv3) enabled ARM SMMUv3 type
*/
enum iommu_viommu_type {
IOMMU_VIOMMU_TYPE_DEFAULT = 0,
IOMMU_VIOMMU_TYPE_ARM_SMMUV3 = 1,
IOMMU_VIOMMU_TYPE_TEGRA241_CMDQV = 2,
};
/**
* struct iommu_viommu_tegra241_cmdqv - NVIDIA Tegra241 CMDQV Virtual Interface
* (IOMMU_VIOMMU_TYPE_TEGRA241_CMDQV)
* @out_vintf_mmap_offset: mmap offset argument for VINTF's page0
* @out_vintf_mmap_length: mmap length argument for VINTF's page0
*
* Both @out_vintf_mmap_offset and @out_vintf_mmap_length are reported by kernel
* for user space to mmap the VINTF page0 from the host physical address space
* to the guest physical address space so that a guest kernel can directly R/W
* access to the VINTF page0 in order to control its virtual command queues.
*/
struct iommu_viommu_tegra241_cmdqv {
__aligned_u64 out_vintf_mmap_offset;
__aligned_u64 out_vintf_mmap_length;
};
/**
@ -965,6 +1030,9 @@ enum iommu_viommu_type {
* @dev_id: The device's physical IOMMU will be used to back the virtual IOMMU
* @hwpt_id: ID of a nesting parent HWPT to associate to
* @out_viommu_id: Output virtual IOMMU ID for the allocated object
* @data_len: Length of the type specific data
* @__reserved: Must be 0
* @data_uptr: User pointer to a driver-specific virtual IOMMU data
*
* Allocate a virtual IOMMU object, representing the underlying physical IOMMU's
* virtualization support that is a security-isolated slice of the real IOMMU HW
@ -985,6 +1053,9 @@ struct iommu_viommu_alloc {
__u32 dev_id;
__u32 hwpt_id;
__u32 out_viommu_id;
__u32 data_len;
__u32 __reserved;
__aligned_u64 data_uptr;
};
#define IOMMU_VIOMMU_ALLOC _IO(IOMMUFD_TYPE, IOMMUFD_CMD_VIOMMU_ALLOC)
@ -995,10 +1066,15 @@ struct iommu_viommu_alloc {
* @dev_id: The physical device to allocate a virtual instance on the vIOMMU
* @out_vdevice_id: Object handle for the vDevice. Pass to IOMMU_DESTORY
* @virt_id: Virtual device ID per vIOMMU, e.g. vSID of ARM SMMUv3, vDeviceID
* of AMD IOMMU, and vRID of a nested Intel VT-d to a Context Table
* of AMD IOMMU, and vRID of Intel VT-d
*
* Allocate a virtual device instance (for a physical device) against a vIOMMU.
* This instance holds the device's information (related to its vIOMMU) in a VM.
* User should use IOMMU_DESTROY to destroy the virtual device before
* destroying the physical device (by closing vfio_cdev fd). Otherwise the
* virtual device would be forcibly destroyed on physical device destruction,
* its vdevice_id would be permanently leaked (unremovable & unreusable) until
* iommu fd closed.
*/
struct iommu_vdevice_alloc {
__u32 size;
@ -1075,10 +1151,12 @@ struct iommufd_vevent_header {
* enum iommu_veventq_type - Virtual Event Queue Type
* @IOMMU_VEVENTQ_TYPE_DEFAULT: Reserved for future use
* @IOMMU_VEVENTQ_TYPE_ARM_SMMUV3: ARM SMMUv3 Virtual Event Queue
* @IOMMU_VEVENTQ_TYPE_TEGRA241_CMDQV: NVIDIA Tegra241 CMDQV Extension IRQ
*/
enum iommu_veventq_type {
IOMMU_VEVENTQ_TYPE_DEFAULT = 0,
IOMMU_VEVENTQ_TYPE_ARM_SMMUV3 = 1,
IOMMU_VEVENTQ_TYPE_TEGRA241_CMDQV = 2,
};
/**
@ -1102,6 +1180,19 @@ struct iommu_vevent_arm_smmuv3 {
__aligned_le64 evt[4];
};
/**
* struct iommu_vevent_tegra241_cmdqv - Tegra241 CMDQV IRQ
* (IOMMU_VEVENTQ_TYPE_TEGRA241_CMDQV)
* @lvcmdq_err_map: 128-bit logical vcmdq error map, little-endian.
* (Refer to register LVCMDQ_ERR_MAPs per VINTF )
*
* The 128-bit register value from HW exclusively reflect the error bits for a
* Virtual Interface represented by a vIOMMU object. Read and report directly.
*/
struct iommu_vevent_tegra241_cmdqv {
__aligned_le64 lvcmdq_err_map[2];
};
/**
* struct iommu_veventq_alloc - ioctl(IOMMU_VEVENTQ_ALLOC)
* @size: sizeof(struct iommu_veventq_alloc)
@ -1141,4 +1232,61 @@ struct iommu_veventq_alloc {
__u32 __reserved;
};
#define IOMMU_VEVENTQ_ALLOC _IO(IOMMUFD_TYPE, IOMMUFD_CMD_VEVENTQ_ALLOC)
/**
* enum iommu_hw_queue_type - HW Queue Type
* @IOMMU_HW_QUEUE_TYPE_DEFAULT: Reserved for future use
* @IOMMU_HW_QUEUE_TYPE_TEGRA241_CMDQV: NVIDIA Tegra241 CMDQV (extension for ARM
* SMMUv3) Virtual Command Queue (VCMDQ)
*/
enum iommu_hw_queue_type {
IOMMU_HW_QUEUE_TYPE_DEFAULT = 0,
/*
* TEGRA241_CMDQV requirements (otherwise, allocation will fail)
* - alloc starts from the lowest @index=0 in ascending order
* - destroy starts from the last allocated @index in descending order
* - @base_addr must be aligned to @length in bytes and mapped in IOAS
* - @length must be a power of 2, with a minimum 32 bytes and a maximum
* 2 ^ idr[1].CMDQS * 16 bytes (use GET_HW_INFO call to read idr[1]
* from struct iommu_hw_info_arm_smmuv3)
* - suggest to back the queue memory with contiguous physical pages or
* a single huge page with alignment of the queue size, and limit the
* emulated vSMMU's IDR1.CMDQS to log2(huge page size / 16 bytes)
*/
IOMMU_HW_QUEUE_TYPE_TEGRA241_CMDQV = 1,
};
/**
* struct iommu_hw_queue_alloc - ioctl(IOMMU_HW_QUEUE_ALLOC)
* @size: sizeof(struct iommu_hw_queue_alloc)
* @flags: Must be 0
* @viommu_id: Virtual IOMMU ID to associate the HW queue with
* @type: One of enum iommu_hw_queue_type
* @index: The logical index to the HW queue per virtual IOMMU for a multi-queue
* model
* @out_hw_queue_id: The ID of the new HW queue
* @nesting_parent_iova: Base address of the queue memory in the guest physical
* address space
* @length: Length of the queue memory
*
* Allocate a HW queue object for a vIOMMU-specific HW-accelerated queue, which
* allows HW to access a guest queue memory described using @nesting_parent_iova
* and @length.
*
* A vIOMMU can allocate multiple queues, but it must use a different @index per
* type to separate each allocation, e.g::
*
* Type1 HW queue0, Type1 HW queue1, Type2 HW queue0, ...
*/
struct iommu_hw_queue_alloc {
__u32 size;
__u32 flags;
__u32 viommu_id;
__u32 type;
__u32 index;
__u32 out_hw_queue_id;
__aligned_u64 nesting_parent_iova;
__aligned_u64 length;
};
#define IOMMU_HW_QUEUE_ALLOC _IO(IOMMUFD_TYPE, IOMMUFD_CMD_HW_QUEUE_ALLOC)
#endif

2
linux-headers/linux/kvm.h
View file

@ -636,6 +636,7 @@ struct kvm_ioeventfd {
#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
#define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
#define KVM_X86_DISABLE_EXITS_APERFMPERF (1 << 4)
/* for KVM_ENABLE_CAP */
struct kvm_enable_cap {
@ -952,6 +953,7 @@ struct kvm_enable_cap {
#define KVM_CAP_ARM_EL2 240
#define KVM_CAP_ARM_EL2_E2H0 241
#define KVM_CAP_RISCV_MP_STATE_RESET 242
#define KVM_CAP_ARM_CACHEABLE_PFNMAP_SUPPORTED 243
struct kvm_irq_routing_irqchip {
__u32 irqchip;

12
linux-headers/linux/vfio.h
View file

@ -905,10 +905,12 @@ struct vfio_device_feature {
* VFIO_DEVICE_BIND_IOMMUFD - _IOR(VFIO_TYPE, VFIO_BASE + 18,
* struct vfio_device_bind_iommufd)
* @argsz: User filled size of this data.
* @flags: Must be 0.
* @flags: Must be 0 or a bit flags of VFIO_DEVICE_BIND_*
* @iommufd: iommufd to bind.
* @out_devid: The device id generated by this bind. devid is a handle for
* this device/iommufd bond and can be used in IOMMUFD commands.
* @token_uuid_ptr: Valid if VFIO_DEVICE_BIND_FLAG_TOKEN. Points to a 16 byte
* UUID in the same format as VFIO_DEVICE_FEATURE_PCI_VF_TOKEN.
*
* Bind a vfio_device to the specified iommufd.
*
@ -917,13 +919,21 @@ struct vfio_device_feature {
*
* Unbind is automatically conducted when device fd is closed.
*
* A token is sometimes required to open the device, unless this is known to be
* needed VFIO_DEVICE_BIND_FLAG_TOKEN should not be set and token_uuid_ptr is
* ignored. The only case today is a PF/VF relationship where the VF bind must
* be provided the same token as VFIO_DEVICE_FEATURE_PCI_VF_TOKEN provided to
* the PF.
*
* Return: 0 on success, -errno on failure.
*/
struct vfio_device_bind_iommufd {
__u32 argsz;
__u32 flags;
#define VFIO_DEVICE_BIND_FLAG_TOKEN (1 << 0)
__s32 iommufd;
__u32 out_devid;
__aligned_u64 token_uuid_ptr;
};
#define VFIO_DEVICE_BIND_IOMMUFD _IO(VFIO_TYPE, VFIO_BASE + 18)

35
linux-headers/linux/vhost.h
View file

@ -235,4 +235,39 @@
*/
#define VHOST_VDPA_GET_VRING_SIZE _IOWR(VHOST_VIRTIO, 0x82, \
struct vhost_vring_state)
/* Extended features manipulation */
#define VHOST_GET_FEATURES_ARRAY _IOR(VHOST_VIRTIO, 0x83, \
struct vhost_features_array)
#define VHOST_SET_FEATURES_ARRAY _IOW(VHOST_VIRTIO, 0x83, \
struct vhost_features_array)
/* fork_owner values for vhost */
#define VHOST_FORK_OWNER_KTHREAD 0
#define VHOST_FORK_OWNER_TASK 1
/**
* VHOST_SET_FORK_FROM_OWNER - Set the fork_owner flag for the vhost device,
* This ioctl must called before VHOST_SET_OWNER.
* Only available when CONFIG_VHOST_ENABLE_FORK_OWNER_CONTROL=y
*
* @param fork_owner: An 8-bit value that determines the vhost thread mode
*
* When fork_owner is set to VHOST_FORK_OWNER_TASK(default value):
* - Vhost will create vhost worker as tasks forked from the owner,
* inheriting all of the owner's attributes.
*
* When fork_owner is set to VHOST_FORK_OWNER_KTHREAD:
* - Vhost will create vhost workers as kernel threads.
*/
#define VHOST_SET_FORK_FROM_OWNER _IOW(VHOST_VIRTIO, 0x83, __u8)
/**
* VHOST_GET_FORK_OWNER - Get the current fork_owner flag for the vhost device.
* Only available when CONFIG_VHOST_ENABLE_FORK_OWNER_CONTROL=y
*
* @return: An 8-bit value indicating the current thread mode.
*/
#define VHOST_GET_FORK_FROM_OWNER _IOR(VHOST_VIRTIO, 0x84, __u8)
#endif