diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/asm-generic/fcntl.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/dm-ioctl.h | 4 | ||||
| -rw-r--r-- | include/uapi/linux/fanotify.h | 8 | ||||
| -rw-r--r-- | include/uapi/linux/input.h | 11 | ||||
| -rw-r--r-- | include/uapi/linux/io_uring.h | 112 | ||||
| -rw-r--r-- | include/uapi/linux/kvm.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/loadpin.h | 22 | ||||
| -rw-r--r-- | include/uapi/linux/perf_event.h | 5 | ||||
| -rw-r--r-- | include/uapi/linux/tty.h | 3 | ||||
| -rw-r--r-- | include/uapi/linux/ublk_cmd.h | 161 |
10 files changed, 318 insertions, 12 deletions
diff --git a/include/uapi/asm-generic/fcntl.h b/include/uapi/asm-generic/fcntl.h index f13d37b60775..1ecdb911add8 100644 --- a/include/uapi/asm-generic/fcntl.h +++ b/include/uapi/asm-generic/fcntl.h @@ -192,6 +192,7 @@ struct f_owner_ex { #define F_LINUX_SPECIFIC_BASE 1024 +#ifndef HAVE_ARCH_STRUCT_FLOCK struct flock { short l_type; short l_whence; @@ -216,5 +217,6 @@ struct flock64 { __ARCH_FLOCK64_PAD #endif }; +#endif /* HAVE_ARCH_STRUCT_FLOCK */ #endif /* _ASM_GENERIC_FCNTL_H */ diff --git a/include/uapi/linux/dm-ioctl.h b/include/uapi/linux/dm-ioctl.h index 2e9550fef90f..27ad9671f2df 100644 --- a/include/uapi/linux/dm-ioctl.h +++ b/include/uapi/linux/dm-ioctl.h @@ -286,9 +286,9 @@ enum { #define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl) #define DM_VERSION_MAJOR 4 -#define DM_VERSION_MINOR 46 +#define DM_VERSION_MINOR 47 #define DM_VERSION_PATCHLEVEL 0 -#define DM_VERSION_EXTRA "-ioctl (2022-02-22)" +#define DM_VERSION_EXTRA "-ioctl (2022-07-28)" /* Status bits */ #define DM_READONLY_FLAG (1 << 0) /* In/Out */ diff --git a/include/uapi/linux/fanotify.h b/include/uapi/linux/fanotify.h index f1f89132d60e..d8536d77fea1 100644 --- a/include/uapi/linux/fanotify.h +++ b/include/uapi/linux/fanotify.h @@ -83,12 +83,20 @@ #define FAN_MARK_FLUSH 0x00000080 /* FAN_MARK_FILESYSTEM is 0x00000100 */ #define FAN_MARK_EVICTABLE 0x00000200 +/* This bit is mutually exclusive with FAN_MARK_IGNORED_MASK bit */ +#define FAN_MARK_IGNORE 0x00000400 /* These are NOT bitwise flags. Both bits can be used togther. */ #define FAN_MARK_INODE 0x00000000 #define FAN_MARK_MOUNT 0x00000010 #define FAN_MARK_FILESYSTEM 0x00000100 +/* + * Convenience macro - FAN_MARK_IGNORE requires FAN_MARK_IGNORED_SURV_MODIFY + * for non-inode mark types. + */ +#define FAN_MARK_IGNORE_SURV (FAN_MARK_IGNORE | FAN_MARK_IGNORED_SURV_MODIFY) + /* Deprecated - do not use this in programs and do not add new flags here! */ #define FAN_ALL_MARK_FLAGS (FAN_MARK_ADD |\ FAN_MARK_REMOVE |\ diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h index ef4257ab3026..2557eb7b0561 100644 --- a/include/uapi/linux/input.h +++ b/include/uapi/linux/input.h @@ -78,10 +78,13 @@ struct input_id { * Note that input core does not clamp reported values to the * [minimum, maximum] limits, such task is left to userspace. * - * The default resolution for main axes (ABS_X, ABS_Y, ABS_Z) - * is reported in units per millimeter (units/mm), resolution - * for rotational axes (ABS_RX, ABS_RY, ABS_RZ) is reported - * in units per radian. + * The default resolution for main axes (ABS_X, ABS_Y, ABS_Z, + * ABS_MT_POSITION_X, ABS_MT_POSITION_Y) is reported in units + * per millimeter (units/mm), resolution for rotational axes + * (ABS_RX, ABS_RY, ABS_RZ) is reported in units per radian. + * The resolution for the size axes (ABS_MT_TOUCH_MAJOR, + * ABS_MT_TOUCH_MINOR, ABS_MT_WIDTH_MAJOR, ABS_MT_WIDTH_MINOR) + * is reported in units per millimeter (units/mm). * When INPUT_PROP_ACCELEROMETER is set the resolution changes. * The main axes (ABS_X, ABS_Y, ABS_Z) are then reported in * units per g (units/g) and in units per degree per second diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 0ad3da28d2fc..1463cfecb56b 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -10,6 +10,7 @@ #include <linux/fs.h> #include <linux/types.h> +#include <linux/time_types.h> /* * IO submission data structure (Submission Queue Entry) @@ -50,6 +51,7 @@ struct io_uring_sqe { __u32 unlink_flags; __u32 hardlink_flags; __u32 xattr_flags; + __u32 msg_ring_flags; }; __u64 user_data; /* data to be passed back at completion time */ /* pack this to avoid bogus arm OABI complaints */ @@ -64,6 +66,10 @@ struct io_uring_sqe { union { __s32 splice_fd_in; __u32 file_index; + struct { + __u16 notification_idx; + __u16 addr_len; + }; }; union { struct { @@ -140,9 +146,12 @@ enum { * IORING_SQ_TASKRUN in the sq ring flags. Not valid with COOP_TASKRUN. */ #define IORING_SETUP_TASKRUN_FLAG (1U << 9) - #define IORING_SETUP_SQE128 (1U << 10) /* SQEs are 128 byte */ #define IORING_SETUP_CQE32 (1U << 11) /* CQEs are 32 byte */ +/* + * Only one task is allowed to submit requests + */ +#define IORING_SETUP_SINGLE_ISSUER (1U << 12) enum io_uring_op { IORING_OP_NOP, @@ -165,7 +174,8 @@ enum io_uring_op { IORING_OP_FALLOCATE, IORING_OP_OPENAT, IORING_OP_CLOSE, - IORING_OP_FILES_UPDATE, + IORING_OP_RSRC_UPDATE, + IORING_OP_FILES_UPDATE = IORING_OP_RSRC_UPDATE, IORING_OP_STATX, IORING_OP_READ, IORING_OP_WRITE, @@ -192,6 +202,7 @@ enum io_uring_op { IORING_OP_GETXATTR, IORING_OP_SOCKET, IORING_OP_URING_CMD, + IORING_OP_SENDZC_NOTIF, /* this goes last, obviously */ IORING_OP_LAST, @@ -213,6 +224,7 @@ enum io_uring_op { #define IORING_TIMEOUT_ETIME_SUCCESS (1U << 5) #define IORING_TIMEOUT_CLOCK_MASK (IORING_TIMEOUT_BOOTTIME | IORING_TIMEOUT_REALTIME) #define IORING_TIMEOUT_UPDATE_MASK (IORING_TIMEOUT_UPDATE | IORING_LINK_TIMEOUT_UPDATE) + /* * sqe->splice_flags * extends splice(2) flags @@ -229,10 +241,13 @@ enum io_uring_op { * * IORING_POLL_UPDATE Update existing poll request, matching * sqe->addr as the old user_data field. + * + * IORING_POLL_LEVEL Level triggered poll. */ #define IORING_POLL_ADD_MULTI (1U << 0) #define IORING_POLL_UPDATE_EVENTS (1U << 1) #define IORING_POLL_UPDATE_USER_DATA (1U << 2) +#define IORING_POLL_ADD_LEVEL (1U << 3) /* * ASYNC_CANCEL flags. @@ -241,10 +256,12 @@ enum io_uring_op { * IORING_ASYNC_CANCEL_FD Key off 'fd' for cancelation rather than the * request 'user_data' * IORING_ASYNC_CANCEL_ANY Match any request + * IORING_ASYNC_CANCEL_FD_FIXED 'fd' passed in is a fixed descriptor */ #define IORING_ASYNC_CANCEL_ALL (1U << 0) #define IORING_ASYNC_CANCEL_FD (1U << 1) #define IORING_ASYNC_CANCEL_ANY (1U << 2) +#define IORING_ASYNC_CANCEL_FD_FIXED (1U << 3) /* * send/sendmsg and recv/recvmsg flags (sqe->ioprio) @@ -253,14 +270,52 @@ enum io_uring_op { * or receive and arm poll if that yields an * -EAGAIN result, arm poll upfront and skip * the initial transfer attempt. + * + * IORING_RECV_MULTISHOT Multishot recv. Sets IORING_CQE_F_MORE if + * the handler will continue to report + * CQEs on behalf of the same SQE. + * + * IORING_RECVSEND_FIXED_BUF Use registered buffers, the index is stored in + * the buf_index field. + * + * IORING_RECVSEND_NOTIF_FLUSH Flush a notification after a successful + * successful. Only for zerocopy sends. */ #define IORING_RECVSEND_POLL_FIRST (1U << 0) +#define IORING_RECV_MULTISHOT (1U << 1) +#define IORING_RECVSEND_FIXED_BUF (1U << 2) +#define IORING_RECVSEND_NOTIF_FLUSH (1U << 3) /* * accept flags stored in sqe->ioprio */ #define IORING_ACCEPT_MULTISHOT (1U << 0) + +/* + * IORING_OP_RSRC_UPDATE flags + */ +enum { + IORING_RSRC_UPDATE_FILES, + IORING_RSRC_UPDATE_NOTIF, +}; + +/* + * IORING_OP_MSG_RING command types, stored in sqe->addr + */ +enum { + IORING_MSG_DATA, /* pass sqe->len as 'res' and off as user_data */ + IORING_MSG_SEND_FD, /* send a registered fd to another ring */ +}; + +/* + * IORING_OP_MSG_RING flags (sqe->msg_ring_flags) + * + * IORING_MSG_RING_CQE_SKIP Don't post a CQE to the target ring. Not + * applicable for IORING_MSG_DATA, obviously. + */ +#define IORING_MSG_RING_CQE_SKIP (1U << 0) + /* * IO completion data structure (Completion Queue Entry) */ @@ -420,6 +475,16 @@ enum { IORING_REGISTER_PBUF_RING = 22, IORING_UNREGISTER_PBUF_RING = 23, + /* sync cancelation API */ + IORING_REGISTER_SYNC_CANCEL = 24, + + /* register a range of fixed file slots for automatic slot allocation */ + IORING_REGISTER_FILE_ALLOC_RANGE = 25, + + /* zerocopy notification API */ + IORING_REGISTER_NOTIFIERS = 26, + IORING_UNREGISTER_NOTIFIERS = 27, + /* this goes last */ IORING_REGISTER_LAST }; @@ -466,6 +531,19 @@ struct io_uring_rsrc_update2 { __u32 resv2; }; +struct io_uring_notification_slot { + __u64 tag; + __u64 resv[3]; +}; + +struct io_uring_notification_register { + __u32 nr_slots; + __u32 resv; + __u64 resv2; + __u64 data; + __u64 resv3; +}; + /* Skip updating fd indexes set to this value in the fd table */ #define IORING_REGISTER_FILES_SKIP (-2) @@ -483,7 +561,7 @@ struct io_uring_probe { __u8 ops_len; /* length of ops[] array below */ __u16 resv; __u32 resv2[3]; - struct io_uring_probe_op ops[0]; + struct io_uring_probe_op ops[]; }; struct io_uring_restriction { @@ -555,4 +633,32 @@ struct io_uring_getevents_arg { __u64 ts; }; +/* + * Argument for IORING_REGISTER_SYNC_CANCEL + */ +struct io_uring_sync_cancel_reg { + __u64 addr; + __s32 fd; + __u32 flags; + struct __kernel_timespec timeout; + __u64 pad[4]; +}; + +/* + * Argument for IORING_REGISTER_FILE_ALLOC_RANGE + * The range is specified as [off, off + len) + */ +struct io_uring_file_index_range { + __u32 off; + __u32 len; + __u64 resv; +}; + +struct io_uring_recvmsg_out { + __u32 namelen; + __u32 controllen; + __u32 payloadlen; + __u32 flags; +}; + #endif diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 811897dadcae..860f867c50c0 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -2084,7 +2084,7 @@ struct kvm_stats_header { #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) -#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES +#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN #define KVM_STATS_BASE_SHIFT 8 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) diff --git a/include/uapi/linux/loadpin.h b/include/uapi/linux/loadpin.h new file mode 100644 index 000000000000..daa6dbb8bb02 --- /dev/null +++ b/include/uapi/linux/loadpin.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Copyright (c) 2022, Google LLC + */ + +#ifndef _UAPI_LINUX_LOOP_LOADPIN_H +#define _UAPI_LINUX_LOOP_LOADPIN_H + +#define LOADPIN_IOC_MAGIC 'L' + +/** + * LOADPIN_IOC_SET_TRUSTED_VERITY_DIGESTS - Set up the root digests of verity devices + * that loadpin should trust. + * + * Takes a file descriptor from which to read the root digests of trusted verity devices. The file + * is expected to contain a list of digests in ASCII format, with one line per digest. The ioctl + * must be issued on the securityfs attribute 'loadpin/dm-verity' (which can be typically found + * under /sys/kernel/security/loadpin/dm-verity). + */ +#define LOADPIN_IOC_SET_TRUSTED_VERITY_DIGESTS _IOW(LOADPIN_IOC_MAGIC, 0x00, unsigned int) + +#endif /* _UAPI_LINUX_LOOP_LOADPIN_H */ diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index d37629dbad72..0474ee362151 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -301,6 +301,7 @@ enum { * { u64 time_enabled; } && PERF_FORMAT_TOTAL_TIME_ENABLED * { u64 time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING * { u64 id; } && PERF_FORMAT_ID + * { u64 lost; } && PERF_FORMAT_LOST * } && !PERF_FORMAT_GROUP * * { u64 nr; @@ -308,6 +309,7 @@ enum { * { u64 time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING * { u64 value; * { u64 id; } && PERF_FORMAT_ID + * { u64 lost; } && PERF_FORMAT_LOST * } cntr[nr]; * } && PERF_FORMAT_GROUP * }; @@ -317,8 +319,9 @@ enum perf_event_read_format { PERF_FORMAT_TOTAL_TIME_RUNNING = 1U << 1, PERF_FORMAT_ID = 1U << 2, PERF_FORMAT_GROUP = 1U << 3, + PERF_FORMAT_LOST = 1U << 4, - PERF_FORMAT_MAX = 1U << 4, /* non-ABI */ + PERF_FORMAT_MAX = 1U << 5, /* non-ABI */ }; #define PERF_ATTR_SIZE_VER0 64 /* sizeof first published struct */ diff --git a/include/uapi/linux/tty.h b/include/uapi/linux/tty.h index 9d0f06bfbac3..68aeae2addec 100644 --- a/include/uapi/linux/tty.h +++ b/include/uapi/linux/tty.h @@ -38,8 +38,9 @@ #define N_NULL 27 /* Null ldisc used for error handling */ #define N_MCTP 28 /* MCTP-over-serial */ #define N_DEVELOPMENT 29 /* Manual out-of-tree testing */ +#define N_CAN327 30 /* ELM327 based OBD-II interfaces */ /* Always the newest line discipline + 1 */ -#define NR_LDISCS 30 +#define NR_LDISCS 31 #endif /* _UAPI_LINUX_TTY_H */ diff --git a/include/uapi/linux/ublk_cmd.h b/include/uapi/linux/ublk_cmd.h new file mode 100644 index 000000000000..ca33092354ab --- /dev/null +++ b/include/uapi/linux/ublk_cmd.h @@ -0,0 +1,161 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef USER_BLK_DRV_CMD_INC_H +#define USER_BLK_DRV_CMD_INC_H + +#include <linux/types.h> + +/* ublk server command definition */ + +/* + * Admin commands, issued by ublk server, and handled by ublk driver. + */ +#define UBLK_CMD_GET_QUEUE_AFFINITY 0x01 +#define UBLK_CMD_GET_DEV_INFO 0x02 +#define UBLK_CMD_ADD_DEV 0x04 +#define UBLK_CMD_DEL_DEV 0x05 +#define UBLK_CMD_START_DEV 0x06 +#define UBLK_CMD_STOP_DEV 0x07 + +/* + * IO commands, issued by ublk server, and handled by ublk driver. + * + * FETCH_REQ: issued via sqe(URING_CMD) beforehand for fetching IO request + * from ublk driver, should be issued only when starting device. After + * the associated cqe is returned, request's tag can be retrieved via + * cqe->userdata. + * + * COMMIT_AND_FETCH_REQ: issued via sqe(URING_CMD) after ublkserver handled + * this IO request, request's handling result is committed to ublk + * driver, meantime FETCH_REQ is piggyback, and FETCH_REQ has to be + * handled before completing io request. + */ +#define UBLK_IO_FETCH_REQ 0x20 +#define UBLK_IO_COMMIT_AND_FETCH_REQ 0x21 + +/* only ABORT means that no re-fetch */ +#define UBLK_IO_RES_OK 0 +#define UBLK_IO_RES_ABORT (-ENODEV) + +#define UBLKSRV_CMD_BUF_OFFSET 0 +#define UBLKSRV_IO_BUF_OFFSET 0x80000000 + +/* tag bit is 12bit, so at most 4096 IOs for each queue */ +#define UBLK_MAX_QUEUE_DEPTH 4096 + +/* + * zero copy requires 4k block size, and can remap ublk driver's io + * request into ublksrv's vm space + */ +#define UBLK_F_SUPPORT_ZERO_COPY (1ULL << 0) + +/* + * Force to complete io cmd via io_uring_cmd_complete_in_task so that + * performance comparison is done easily with using task_work_add + */ +#define UBLK_F_URING_CMD_COMP_IN_TASK (1ULL << 1) + +/* device state */ +#define UBLK_S_DEV_DEAD 0 +#define UBLK_S_DEV_LIVE 1 + +/* shipped via sqe->cmd of io_uring command */ +struct ublksrv_ctrl_cmd { + /* sent to which device, must be valid */ + __u32 dev_id; + + /* sent to which queue, must be -1 if the cmd isn't for queue */ + __u16 queue_id; + /* + * cmd specific buffer, can be IN or OUT. + */ + __u16 len; + __u64 addr; + + /* inline data */ + __u64 data[2]; +}; + +struct ublksrv_ctrl_dev_info { + __u16 nr_hw_queues; + __u16 queue_depth; + __u16 block_size; + __u16 state; + + __u32 rq_max_blocks; + __u32 dev_id; + + __u64 dev_blocks; + + __s32 ublksrv_pid; + __s32 reserved0; + __u64 flags; + __u64 flags_reserved; + + /* For ublksrv internal use, invisible to ublk driver */ + __u64 ublksrv_flags; + __u64 reserved1[9]; +}; + +#define UBLK_IO_OP_READ 0 +#define UBLK_IO_OP_WRITE 1 +#define UBLK_IO_OP_FLUSH 2 +#define UBLK_IO_OP_DISCARD 3 +#define UBLK_IO_OP_WRITE_SAME 4 +#define UBLK_IO_OP_WRITE_ZEROES 5 + +#define UBLK_IO_F_FAILFAST_DEV (1U << 8) +#define UBLK_IO_F_FAILFAST_TRANSPORT (1U << 9) +#define UBLK_IO_F_FAILFAST_DRIVER (1U << 10) +#define UBLK_IO_F_META (1U << 11) +#define UBLK_IO_F_FUA (1U << 13) +#define UBLK_IO_F_NOUNMAP (1U << 15) +#define UBLK_IO_F_SWAP (1U << 16) + +/* + * io cmd is described by this structure, and stored in share memory, indexed + * by request tag. + * + * The data is stored by ublk driver, and read by ublksrv after one fetch command + * returns. + */ +struct ublksrv_io_desc { + /* op: bit 0-7, flags: bit 8-31 */ + __u32 op_flags; + + __u32 nr_sectors; + + /* start sector for this io */ + __u64 start_sector; + + /* buffer address in ublksrv daemon vm space, from ublk driver */ + __u64 addr; +}; + +static inline __u8 ublksrv_get_op(const struct ublksrv_io_desc *iod) +{ + return iod->op_flags & 0xff; +} + +static inline __u32 ublksrv_get_flags(const struct ublksrv_io_desc *iod) +{ + return iod->op_flags >> 8; +} + +/* issued to ublk driver via /dev/ublkcN */ +struct ublksrv_io_cmd { + __u16 q_id; + + /* for fetch/commit which result */ + __u16 tag; + + /* io result, it is valid for COMMIT* command only */ + __s32 result; + + /* + * userspace buffer address in ublksrv daemon process, valid for + * FETCH* command only + */ + __u64 addr; +}; + +#endif |