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Fri, 14 Jan 2022 20:38:56 GMT Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E7A99C606E; Fri, 14 Jan 2022 20:38:55 +0000 (GMT) Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 974FAC605D; Fri, 14 Jan 2022 20:38:54 +0000 (GMT) Received: from li-c92d2ccc-254b-11b2-a85c-a700b5bfb098.ibm.com.com (unknown [9.211.65.142]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTP; Fri, 14 Jan 2022 20:38:54 +0000 (GMT) From: Matthew Rosato To: qemu-s390x@nongnu.org Subject: [PATCH v2 1/9] Update linux headers Date: Fri, 14 Jan 2022 15:38:41 -0500 Message-Id: <20220114203849.243657-2-mjrosato@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220114203849.243657-1-mjrosato@linux.ibm.com> References: <20220114203849.243657-1-mjrosato@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 4o2kzUgAVFIBehjrWzFVoxoGBt2ih4kX X-Proofpoint-GUID: B4NeMqn6tgT7dRZXNIVW_pn9qfl1K0Ec X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-01-14_06,2022-01-14_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 phishscore=0 malwarescore=0 clxscore=1015 suspectscore=0 spamscore=0 bulkscore=0 mlxlogscore=999 adultscore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2201140120 Received-SPF: pass client-ip=148.163.156.1; envelope-from=mjrosato@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: farman@linux.ibm.com, kvm@vger.kernel.org, pmorel@linux.ibm.com, schnelle@linux.ibm.com, cohuck@redhat.com, richard.henderson@linaro.org, thuth@redhat.com, qemu-devel@nongnu.org, pasic@linux.ibm.com, alex.williamson@redhat.com, mst@redhat.com, pbonzini@redhat.com, david@redhat.com, borntraeger@linux.ibm.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This is a placeholder that pulls in 5.17 + unmerged kernel changes required by this item. A proper header sync can be done once the associated kernel code merges. Signed-off-by: Matthew Rosato --- include/standard-headers/asm-x86/kvm_para.h | 1 + include/standard-headers/drm/drm_fourcc.h | 11 ++++ include/standard-headers/linux/ethtool.h | 1 + include/standard-headers/linux/fuse.h | 60 +++++++++++++++++-- include/standard-headers/linux/pci_regs.h | 4 ++ include/standard-headers/linux/virtio_iommu.h | 8 ++- linux-headers/asm-mips/unistd_n32.h | 1 + linux-headers/asm-mips/unistd_n64.h | 1 + linux-headers/asm-mips/unistd_o32.h | 1 + linux-headers/asm-powerpc/unistd_32.h | 1 + linux-headers/asm-powerpc/unistd_64.h | 1 + linux-headers/asm-s390/kvm.h | 1 + linux-headers/asm-s390/unistd_32.h | 1 + linux-headers/asm-s390/unistd_64.h | 1 + linux-headers/linux/kvm.h | 1 + linux-headers/linux/vfio.h | 22 +++++++ linux-headers/linux/vfio_zdev.h | 51 ++++++++++++++++ 17 files changed, 162 insertions(+), 5 deletions(-) diff --git a/include/standard-headers/asm-x86/kvm_para.h b/include/standard-headers/asm-x86/kvm_para.h index 204cfb8640..f0235e58a1 100644 --- a/include/standard-headers/asm-x86/kvm_para.h +++ b/include/standard-headers/asm-x86/kvm_para.h @@ -8,6 +8,7 @@ * should be used to determine that a VM is running under KVM. */ #define KVM_CPUID_SIGNATURE 0x40000000 +#define KVM_SIGNATURE "KVMKVMKVM\0\0\0" /* This CPUID returns two feature bitmaps in eax, edx. Before enabling * a particular paravirtualization, the appropriate feature bit should diff --git a/include/standard-headers/drm/drm_fourcc.h b/include/standard-headers/drm/drm_fourcc.h index 2c025cb4fe..4888f85f69 100644 --- a/include/standard-headers/drm/drm_fourcc.h +++ b/include/standard-headers/drm/drm_fourcc.h @@ -313,6 +313,13 @@ extern "C" { */ #define DRM_FORMAT_P016 fourcc_code('P', '0', '1', '6') /* 2x2 subsampled Cr:Cb plane 16 bits per channel */ +/* 2 plane YCbCr420. + * 3 10 bit components and 2 padding bits packed into 4 bytes. + * index 0 = Y plane, [31:0] x:Y2:Y1:Y0 2:10:10:10 little endian + * index 1 = Cr:Cb plane, [63:0] x:Cr2:Cb2:Cr1:x:Cb1:Cr0:Cb0 [2:10:10:10:2:10:10:10] little endian + */ +#define DRM_FORMAT_P030 fourcc_code('P', '0', '3', '0') /* 2x2 subsampled Cr:Cb plane 10 bits per channel packed */ + /* 3 plane non-subsampled (444) YCbCr * 16 bits per component, but only 10 bits are used and 6 bits are padded * index 0: Y plane, [15:0] Y:x [10:6] little endian @@ -853,6 +860,10 @@ drm_fourcc_canonicalize_nvidia_format_mod(uint64_t modifier) * and UV. Some SAND-using hardware stores UV in a separate tiled * image from Y to reduce the column height, which is not supported * with these modifiers. + * + * The DRM_FORMAT_MOD_BROADCOM_SAND128_COL_HEIGHT modifier is also + * supported for DRM_FORMAT_P030 where the columns remain as 128 bytes + * wide, but as this is a 10 bpp format that translates to 96 pixels. */ #define DRM_FORMAT_MOD_BROADCOM_SAND32_COL_HEIGHT(v) \ diff --git a/include/standard-headers/linux/ethtool.h b/include/standard-headers/linux/ethtool.h index 688eb8dc39..38d5a4cd6e 100644 --- a/include/standard-headers/linux/ethtool.h +++ b/include/standard-headers/linux/ethtool.h @@ -231,6 +231,7 @@ enum tunable_id { ETHTOOL_RX_COPYBREAK, ETHTOOL_TX_COPYBREAK, ETHTOOL_PFC_PREVENTION_TOUT, /* timeout in msecs */ + ETHTOOL_TX_COPYBREAK_BUF_SIZE, /* * Add your fresh new tunable attribute above and remember to update * tunable_strings[] in net/ethtool/common.c diff --git a/include/standard-headers/linux/fuse.h b/include/standard-headers/linux/fuse.h index 23ea31708b..bda06258be 100644 --- a/include/standard-headers/linux/fuse.h +++ b/include/standard-headers/linux/fuse.h @@ -184,6 +184,16 @@ * * 7.34 * - add FUSE_SYNCFS + * + * 7.35 + * - add FOPEN_NOFLUSH + * + * 7.36 + * - extend fuse_init_in with reserved fields, add FUSE_INIT_EXT init flag + * - add flags2 to fuse_init_in and fuse_init_out + * - add FUSE_SECURITY_CTX init flag + * - add security context to create, mkdir, symlink, and mknod requests + * - add FUSE_HAS_INODE_DAX, FUSE_ATTR_DAX */ #ifndef _LINUX_FUSE_H @@ -215,7 +225,7 @@ #define FUSE_KERNEL_VERSION 7 /** Minor version number of this interface */ -#define FUSE_KERNEL_MINOR_VERSION 34 +#define FUSE_KERNEL_MINOR_VERSION 36 /** The node ID of the root inode */ #define FUSE_ROOT_ID 1 @@ -286,12 +296,14 @@ struct fuse_file_lock { * FOPEN_NONSEEKABLE: the file is not seekable * FOPEN_CACHE_DIR: allow caching this directory * FOPEN_STREAM: the file is stream-like (no file position at all) + * FOPEN_NOFLUSH: don't flush data cache on close (unless FUSE_WRITEBACK_CACHE) */ #define FOPEN_DIRECT_IO (1 << 0) #define FOPEN_KEEP_CACHE (1 << 1) #define FOPEN_NONSEEKABLE (1 << 2) #define FOPEN_CACHE_DIR (1 << 3) #define FOPEN_STREAM (1 << 4) +#define FOPEN_NOFLUSH (1 << 5) /** * INIT request/reply flags @@ -332,6 +344,11 @@ struct fuse_file_lock { * write/truncate sgid is killed only if file has group * execute permission. (Same as Linux VFS behavior). * FUSE_SETXATTR_EXT: Server supports extended struct fuse_setxattr_in + * FUSE_INIT_EXT: extended fuse_init_in request + * FUSE_INIT_RESERVED: reserved, do not use + * FUSE_SECURITY_CTX: add security context to create, mkdir, symlink, and + * mknod + * FUSE_HAS_INODE_DAX: use per inode DAX */ #define FUSE_ASYNC_READ (1 << 0) #define FUSE_POSIX_LOCKS (1 << 1) @@ -363,6 +380,11 @@ struct fuse_file_lock { #define FUSE_SUBMOUNTS (1 << 27) #define FUSE_HANDLE_KILLPRIV_V2 (1 << 28) #define FUSE_SETXATTR_EXT (1 << 29) +#define FUSE_INIT_EXT (1 << 30) +#define FUSE_INIT_RESERVED (1 << 31) +/* bits 32..63 get shifted down 32 bits into the flags2 field */ +#define FUSE_SECURITY_CTX (1ULL << 32) +#define FUSE_HAS_INODE_DAX (1ULL << 33) /** * CUSE INIT request/reply flags @@ -445,8 +467,10 @@ struct fuse_file_lock { * fuse_attr flags * * FUSE_ATTR_SUBMOUNT: Object is a submount root + * FUSE_ATTR_DAX: Enable DAX for this file in per inode DAX mode */ #define FUSE_ATTR_SUBMOUNT (1 << 0) +#define FUSE_ATTR_DAX (1 << 1) /** * Open flags @@ -732,6 +756,8 @@ struct fuse_init_in { uint32_t minor; uint32_t max_readahead; uint32_t flags; + uint32_t flags2; + uint32_t unused[11]; }; #define FUSE_COMPAT_INIT_OUT_SIZE 8 @@ -748,7 +774,8 @@ struct fuse_init_out { uint32_t time_gran; uint16_t max_pages; uint16_t map_alignment; - uint32_t unused[8]; + uint32_t flags2; + uint32_t unused[7]; }; #define CUSE_INIT_INFO_MAX 4096 @@ -856,9 +883,12 @@ struct fuse_dirent { char name[]; }; -#define FUSE_NAME_OFFSET offsetof(struct fuse_dirent, name) -#define FUSE_DIRENT_ALIGN(x) \ +/* Align variable length records to 64bit boundary */ +#define FUSE_REC_ALIGN(x) \ (((x) + sizeof(uint64_t) - 1) & ~(sizeof(uint64_t) - 1)) + +#define FUSE_NAME_OFFSET offsetof(struct fuse_dirent, name) +#define FUSE_DIRENT_ALIGN(x) FUSE_REC_ALIGN(x) #define FUSE_DIRENT_SIZE(d) \ FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen) @@ -975,4 +1005,26 @@ struct fuse_syncfs_in { uint64_t padding; }; +/* + * For each security context, send fuse_secctx with size of security context + * fuse_secctx will be followed by security context name and this in turn + * will be followed by actual context label. + * fuse_secctx, name, context + */ +struct fuse_secctx { + uint32_t size; + uint32_t padding; +}; + +/* + * Contains the information about how many fuse_secctx structures are being + * sent and what's the total size of all security contexts (including + * size of fuse_secctx_header). + * + */ +struct fuse_secctx_header { + uint32_t size; + uint32_t nr_secctx; +}; + #endif /* _LINUX_FUSE_H */ diff --git a/include/standard-headers/linux/pci_regs.h b/include/standard-headers/linux/pci_regs.h index ff6ccbc6ef..318f3f1f9e 100644 --- a/include/standard-headers/linux/pci_regs.h +++ b/include/standard-headers/linux/pci_regs.h @@ -1086,7 +1086,11 @@ /* Designated Vendor-Specific (DVSEC, PCI_EXT_CAP_ID_DVSEC) */ #define PCI_DVSEC_HEADER1 0x4 /* Designated Vendor-Specific Header1 */ +#define PCI_DVSEC_HEADER1_VID(x) ((x) & 0xffff) +#define PCI_DVSEC_HEADER1_REV(x) (((x) >> 16) & 0xf) +#define PCI_DVSEC_HEADER1_LEN(x) (((x) >> 20) & 0xfff) #define PCI_DVSEC_HEADER2 0x8 /* Designated Vendor-Specific Header2 */ +#define PCI_DVSEC_HEADER2_ID(x) ((x) & 0xffff) /* Data Link Feature */ #define PCI_DLF_CAP 0x04 /* Capabilities Register */ diff --git a/include/standard-headers/linux/virtio_iommu.h b/include/standard-headers/linux/virtio_iommu.h index b9443b83a1..366379c2f0 100644 --- a/include/standard-headers/linux/virtio_iommu.h +++ b/include/standard-headers/linux/virtio_iommu.h @@ -16,6 +16,7 @@ #define VIRTIO_IOMMU_F_BYPASS 3 #define VIRTIO_IOMMU_F_PROBE 4 #define VIRTIO_IOMMU_F_MMIO 5 +#define VIRTIO_IOMMU_F_BYPASS_CONFIG 6 struct virtio_iommu_range_64 { uint64_t start; @@ -36,6 +37,8 @@ struct virtio_iommu_config { struct virtio_iommu_range_32 domain_range; /* Probe buffer size */ uint32_t probe_size; + uint8_t bypass; + uint8_t reserved[3]; }; /* Request types */ @@ -66,11 +69,14 @@ struct virtio_iommu_req_tail { uint8_t reserved[3]; }; +#define VIRTIO_IOMMU_ATTACH_F_BYPASS (1 << 0) + struct virtio_iommu_req_attach { struct virtio_iommu_req_head head; uint32_t domain; uint32_t endpoint; - uint8_t reserved[8]; + uint32_t flags; + uint8_t reserved[4]; struct virtio_iommu_req_tail tail; }; diff --git a/linux-headers/asm-mips/unistd_n32.h b/linux-headers/asm-mips/unistd_n32.h index 4b3e7ad1ec..790309211a 100644 --- a/linux-headers/asm-mips/unistd_n32.h +++ b/linux-headers/asm-mips/unistd_n32.h @@ -377,5 +377,6 @@ #define __NR_landlock_add_rule (__NR_Linux + 445) #define __NR_landlock_restrict_self (__NR_Linux + 446) #define __NR_process_mrelease (__NR_Linux + 448) +#define __NR_futex_waitv (__NR_Linux + 449) #endif /* _ASM_UNISTD_N32_H */ diff --git a/linux-headers/asm-mips/unistd_n64.h b/linux-headers/asm-mips/unistd_n64.h index 488d9298d9..d68a3cc573 100644 --- a/linux-headers/asm-mips/unistd_n64.h +++ b/linux-headers/asm-mips/unistd_n64.h @@ -353,5 +353,6 @@ #define __NR_landlock_add_rule (__NR_Linux + 445) #define __NR_landlock_restrict_self (__NR_Linux + 446) #define __NR_process_mrelease (__NR_Linux + 448) +#define __NR_futex_waitv (__NR_Linux + 449) #endif /* _ASM_UNISTD_N64_H */ diff --git a/linux-headers/asm-mips/unistd_o32.h b/linux-headers/asm-mips/unistd_o32.h index f47399870a..18cfa981c7 100644 --- a/linux-headers/asm-mips/unistd_o32.h +++ b/linux-headers/asm-mips/unistd_o32.h @@ -423,5 +423,6 @@ #define __NR_landlock_add_rule (__NR_Linux + 445) #define __NR_landlock_restrict_self (__NR_Linux + 446) #define __NR_process_mrelease (__NR_Linux + 448) +#define __NR_futex_waitv (__NR_Linux + 449) #endif /* _ASM_UNISTD_O32_H */ diff --git a/linux-headers/asm-powerpc/unistd_32.h b/linux-headers/asm-powerpc/unistd_32.h index 11d54696dc..c8a97e6f51 100644 --- a/linux-headers/asm-powerpc/unistd_32.h +++ b/linux-headers/asm-powerpc/unistd_32.h @@ -430,6 +430,7 @@ #define __NR_landlock_add_rule 445 #define __NR_landlock_restrict_self 446 #define __NR_process_mrelease 448 +#define __NR_futex_waitv 449 #endif /* _ASM_UNISTD_32_H */ diff --git a/linux-headers/asm-powerpc/unistd_64.h b/linux-headers/asm-powerpc/unistd_64.h index cf740bab13..5dd37251b8 100644 --- a/linux-headers/asm-powerpc/unistd_64.h +++ b/linux-headers/asm-powerpc/unistd_64.h @@ -402,6 +402,7 @@ #define __NR_landlock_add_rule 445 #define __NR_landlock_restrict_self 446 #define __NR_process_mrelease 448 +#define __NR_futex_waitv 449 #endif /* _ASM_UNISTD_64_H */ diff --git a/linux-headers/asm-s390/kvm.h b/linux-headers/asm-s390/kvm.h index f053b8304a..d8259ff9a1 100644 --- a/linux-headers/asm-s390/kvm.h +++ b/linux-headers/asm-s390/kvm.h @@ -130,6 +130,7 @@ struct kvm_s390_vm_cpu_machine { #define KVM_S390_VM_CPU_FEAT_PFMFI 11 #define KVM_S390_VM_CPU_FEAT_SIGPIF 12 #define KVM_S390_VM_CPU_FEAT_KSS 13 +#define KVM_S390_VM_CPU_FEAT_ZPCI_INTERP 14 struct kvm_s390_vm_cpu_feat { __u64 feat[16]; }; diff --git a/linux-headers/asm-s390/unistd_32.h b/linux-headers/asm-s390/unistd_32.h index 8f97d98128..8c60e40ab1 100644 --- a/linux-headers/asm-s390/unistd_32.h +++ b/linux-headers/asm-s390/unistd_32.h @@ -420,5 +420,6 @@ #define __NR_landlock_add_rule 445 #define __NR_landlock_restrict_self 446 #define __NR_process_mrelease 448 +#define __NR_futex_waitv 449 #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 021ffc30e6..5793aa2a83 100644 --- a/linux-headers/asm-s390/unistd_64.h +++ b/linux-headers/asm-s390/unistd_64.h @@ -368,5 +368,6 @@ #define __NR_landlock_add_rule 445 #define __NR_landlock_restrict_self 446 #define __NR_process_mrelease 448 +#define __NR_futex_waitv 449 #endif /* _ASM_S390_UNISTD_64_H */ diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h index 02c5e7b7bb..f61f357899 100644 --- a/linux-headers/linux/kvm.h +++ b/linux-headers/linux/kvm.h @@ -1130,6 +1130,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_BINARY_STATS_FD 203 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 #define KVM_CAP_ARM_MTE 205 +#define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 #ifdef KVM_CAP_IRQ_ROUTING diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h index e680594f27..96b18b872a 100644 --- a/linux-headers/linux/vfio.h +++ b/linux-headers/linux/vfio.h @@ -1002,6 +1002,28 @@ struct vfio_device_feature { */ #define VFIO_DEVICE_FEATURE_PCI_VF_TOKEN (0) +/* + * Provide support for enabling interpretation of zPCI instructions. This + * feature is only valid for s390x PCI devices. Data provided when setting + * and getting this feature is futher described in vfio_zdev.h + */ +#define VFIO_DEVICE_FEATURE_ZPCI_INTERP (1) + +/* + * Provide support for enbaling adapter interruption forwarding for zPCI + * devices. This feature is only valid for s390x PCI devices. Data provided + * when setting and getting this feature is further described in vfio_zdev.h + */ +#define VFIO_DEVICE_FEATURE_ZPCI_AIF (2) + +/* + * Provide support for enabling guest I/O address translation assistance for + * zPCI devices. This feature is only valid for s390x PCI devices. Data + * provided when setting and getting this feature is further described in + * vfio_zdev.h + */ +#define VFIO_DEVICE_FEATURE_ZPCI_IOAT (3) + /* -------- API for Type1 VFIO IOMMU -------- */ /** diff --git a/linux-headers/linux/vfio_zdev.h b/linux-headers/linux/vfio_zdev.h index b4309397b6..b4c2ba8e71 100644 --- a/linux-headers/linux/vfio_zdev.h +++ b/linux-headers/linux/vfio_zdev.h @@ -47,6 +47,9 @@ struct vfio_device_info_cap_zpci_group { __u16 noi; /* Maximum number of MSIs */ __u16 maxstbl; /* Maximum Store Block Length */ __u8 version; /* Supported PCI Version */ + /* End of version 1 */ + __u8 dtsm; /* Supported IOAT Designations */ + /* End of version 2 */ }; /** @@ -75,4 +78,52 @@ struct vfio_device_info_cap_zpci_pfip { __u8 pfip[]; }; +/** + * VFIO_DEVICE_FEATURE_ZPCI_INTERP + * + * This feature is used for enabling zPCI instruction interpretation for a + * device. No data is provided when setting this feature. When getting + * this feature, the following structure is provided which details whether + * or not interpretation is active and provides the guest with host device + * information necessary to enable interpretation. + */ +struct vfio_device_zpci_interp { + __u64 flags; +#define VFIO_DEVICE_ZPCI_FLAG_INTERP 1 + __u32 fh; /* Host device function handle */ +}; + +/** + * VFIO_DEVICE_FEATURE_ZPCI_AIF + * + * This feature is used for enabling forwarding of adapter interrupts directly + * from firmware to the guest. When setting this feature, the flags indicate + * whether to enable/disable the feature and the structure defined below is + * used to setup the forwarding structures. When getting this feature, only + * the flags are used to indicate the current state. + */ +struct vfio_device_zpci_aif { + __u64 flags; +#define VFIO_DEVICE_ZPCI_FLAG_AIF_FLOAT 1 +#define VFIO_DEVICE_ZPCI_FLAG_AIF_HOST 2 + __u64 ibv; /* Address of guest interrupt bit vector */ + __u64 sb; /* Address of guest summary bit */ + __u32 noi; /* Number of interrupts */ + __u8 isc; /* Guest interrupt subclass */ + __u8 sbo; /* Offset of guest summary bit vector */ +}; + +/** + * VFIO_DEVICE_FEATURE_ZPCI_IOAT + * + * This feature is used for enabling guest I/O translation assistance for + * passthrough zPCI devices using instruction interpretation. When setting + * this feature, the iota specifies a KVM guest I/O translation anchor. When + * getting this feature, the most recently set anchor (or 0) is returned in + * iota. + */ +struct vfio_device_zpci_ioat { + __u64 iota; +}; + #endif