| /linux/drivers/i3c/master/mipi-i3c-hci/ |
| H A D | xfer_mode_rate.h | 1 /* SPDX-License-Identifier: BSD-3-Clause */
23 #define XFERMODE_IDX_I3C_HDR_DDR 0x01 /* I3C HDR-DDR Mode */
24 #define XFERMODE_IDX_I3C_HDR_T 0x02 /* I3C HDR-Ternary Mode */
25 #define XFERMODE_IDX_I3C_HDR_BT 0x03 /* I3C HDR-BT Mode */
54 #define XFERRATE_I3C_SDR_USER6 0x06 /* User Defined */
55 #define XFERRATE_I3C_SDR_USER7 0x07 /* User Defined */
59 #define XFERRATE_I2C_USER2 0x02 /* User Defined */
60 #define XFERRATE_I2C_USER3 0x03 /* User Defined */
61 #define XFERRATE_I2C_USER4 0x04 /* User Defined */
62 #define XFERRATE_I2C_USER5 0x05 /* User Defined */
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| /linux/drivers/staging/media/atomisp/include/linux/ |
| H A D | atomisp_platform.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
14 #include <media/v4l2-subdev.h>
60 /* CSI2-MIPI specific format: Generic short packet data. It is used to
73 /* CSI2-MIPI specific format: YUV data.
75 ATOMISP_INPUT_FORMAT_YUV420_8_SHIFT, /* YUV420 8-bit (Chroma Shifted
77 ATOMISP_INPUT_FORMAT_YUV420_10_SHIFT, /* YUV420 8-bit (Chroma Shifted
80 /* CSI2-MIPI specific format: Generic long packet data
82 ATOMISP_INPUT_FORMAT_EMBEDDED, /* Embedded 8-bit non Image Data */
84 /* CSI2-MIPI specific format: User defined byte-based data. For example,
86 * the User Defined Data Type 4 and the MPEG data as the
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| /linux/include/uapi/linux/ |
| H A D | acct.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * BSD Process Accounting for Linux - Definitions
8 * BSD-style process accounting. The kernel accounting code and all
9 * user-level programs that try to do something useful with the
12 * Copyright (C) 1995 - 1997 Marco van Wieringen - ELM Consultancy B.V.
25 * comp_t is a 16-bit "floating" point number with a 3-bit base 8
26 * exponent and a 13-bit fraction.
27 * comp2_t is 24-bit with 5-bit base 2 exponent and 20 bit fraction
49 __u16 ac_uid16; /* LSB of Real User ID */
54 comp_t ac_utime; /* User Time */
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| /linux/fs/afs/ |
| H A D | afs.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
16 #define AFS_NMAXNSERVERS 13 /* Maximum servers in a N/U-class volume record */
31 AFSVL_ROVOL, /* read-only volume */
54 afs_vnodeid_t vnode; /* Lower 64-bits of file index within volume */
55 u32 vnode_hi; /* Upper 32-bits of file index */
110 #define AFS_ACE_READ 0x00000001U /* - permission to read a file/dir */
111 #define AFS_ACE_WRITE 0x00000002U /* - permission to write/chmod a file */
112 #define AFS_ACE_INSERT 0x00000004U /* - permission to create dirent in a dir */
113 #define AFS_ACE_LOOKUP 0x00000008U /* - permission to lookup a file/dir in a dir */
114 #define AFS_ACE_DELETE 0x00000010U /* - permission to delete a dirent from a dir */
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| /linux/arch/powerpc/include/asm/nohash/32/ |
| H A D | mmu-44x.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
8 #include <asm/asm-const.h>
36 #define PPC44x_TLB_U0 0x00008000 /* User 0 */
37 #define PPC44x_TLB_U1 0x00004000 /* User 1 */
38 #define PPC44x_TLB_U2 0x00002000 /* User 2 */
39 #define PPC44x_TLB_U3 0x00001000 /* User 3 */
40 #define PPC44x_TLB_W 0x00000800 /* Caching is write-through */
47 #define PPC44x_TLB_UX 0x00000020 /* User execution */
48 #define PPC44x_TLB_UW 0x00000010 /* User write */
49 #define PPC44x_TLB_UR 0x00000008 /* User read */
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| /linux/security/keys/ |
| H A D | user_defined.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* user_defined.c: user defined key type
13 #include <keys/user-type.h>
20 * user defined keys take an arbitrary string as the description and an
24 .name = "user",
57 * Preparse a user defined key payload
62 size_t datalen = prep->datalen; in user_preparse()
64 if (datalen <= 0 || datalen > 32767 || !prep->data) in user_preparse()
65 return -EINVAL; in user_preparse()
69 return -ENOMEM; in user_preparse()
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| /linux/Documentation/kbuild/ |
| H A D | kconfig-macro-language.rst | 6 -------
21 $(CC) -o $(APP) $(SRC)
27 gcc -o foo foo.c
32 The idea is quite similar in Kconfig - it is possible to describe a Kconfig
38 def_bool $(shell, $(srctree)/scripts/gcc-check-foo.sh $(CC))
46 Then, Kconfig moves onto the evaluation stage to resolve inter-symbol
47 dependency as explained in kconfig-language.rst.
51 ---------
56 $( ). The parentheses are required even for single-letter variable names; $X is
62 A simply expanded variable is defined using the := assignment operator. Its
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| /linux/include/linux/sched/ |
| H A D | user.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
12 * Some day this will be a full-fledged user tracking system..
26 #if defined(CONFIG_PERF_EVENTS) || defined(CONFIG_BPF_SYSCALL) || \
27 defined(CONFIG_NET) || defined(CONFIG_IO_URING) || \
28 defined(CONFIG_VFIO_PCI_ZDEV_KVM) || IS_ENABLED(CONFIG_IOMMUFD)
32 atomic_t nr_watches; /* The number of watches this user currently has */
35 /* Miscellaneous per-user rate limit */
47 /* per-UID process charging. */
51 refcount_inc(&u->__count); in get_uid()
|
| /linux/Documentation/driver-api/surface_aggregator/clients/ |
| H A D | dtx.rst | 1 .. SPDX-License-Identifier: GPL-2.0+
10 User-Space DTX (Clipboard Detachment System) Interface
14 and re-attachment handling. To this end, it provides the ``/dev/surface/dtx``
15 device file, through which it can interface with a user-space daemon. This
18 unloading/reloading the graphics-driver, user-notifications, etc.
24 change. Commands are always driver-initiated, whereas events are always
56 ------------
60 the *open* state, the clipboard can be removed by a user.
65 being hot-unplugged while in use. More details can be found in the
70 --------------------
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| /linux/sound/core/ |
| H A D | memory.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
15 * copy_to_user_fromio - copy data from mmio-space to user-space
16 * @dst: the destination pointer on user
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| /linux/Documentation/virt/kvm/devices/ |
| H A D | vm.rst | 1 .. SPDX-License-Identifier: GPL-2.0
9 struct kvm_device_attr as other devices, but targets VM-wide settings
21 -------------------------------------------
24 :Returns: -EBUSY if a vcpu is already defined, otherwise 0
29 ----------------------------------------
32 :Returns: -EINVAL if CMMA was not enabled;
39 -----------------------------------------
41 :Parameters: in attr->addr the address for the new limit of guest memory
42 :Returns: -EFAULT if the given address is not accessible;
43 -EINVAL if the virtual machine is of type UCONTROL;
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| /linux/arch/arm/mm/ |
| H A D | proc-macros.S | 1 /* SPDX-License-Identifier: GPL-2.0 */
8 #include <asm/asm-offsets.h>
17 * vma_vm_mm - get mm pointer from vma pointer (vma->vm_mm)
24 * vma_vm_flags - get vma->vm_flags
31 * act_mm - get current->active_mm
42 * mmid - get context id from mm pointer (mm->context.id)
43 * note, this field is 64bit, so in big-endian the two words are swapped too.
54 * mask_asid - mask the ASID from the context ID
71 * dcache_line_size - get the minimum D-cache line size from the CTR register
89 * icache_line_size - get the minimum I-cache line size from the CTR register
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| /linux/arch/powerpc/include/uapi/asm/ |
| H A D | types.h | 1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
5 * application is Linux specific so (user-) name space pollution is
19 * and we don't want to impact user mode with our change to ll64
22 * However, some user programs are fine with this. They can
23 * flag __SANE_USERSPACE_TYPES__ to get int-ll64.h here.
25 #if !defined(__SANE_USERSPACE_TYPES__) && defined(__powerpc64__) && !defined(__KERNEL__)
26 # include <asm-generic/int-l64.h>
28 # include <asm-generic/int-ll64.h>
|
| /linux/arch/xtensa/kernel/ |
| H A D | entry.S | 2 * Low-level exception handling
8 * Copyright (C) 2004 - 2008 by Tensilica Inc.
17 #include <asm/asm-offsets.h>
22 #include <asm/asm-uaccess.h>
29 #include <variant/tie-asm.h>
34 * 100....0 -> 1
35 * 010....0 -> 2
36 * 000....1 -> WSBITS
42 nsau \bit, \mask # 32-WSBITS ... 31 (32 iff 0)
43 addi \bit, \bit, WSBITS - 32 + 1 # uppest bit set -> return 1
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| /linux/Documentation/admin-guide/acpi/ |
| H A D | ssdt-overlays.rst | 1 .. SPDX-License-Identifier: GPL-2.0
7 In order to support ACPI open-ended hardware configurations (e.g. development
19 user defined SSDT tables that contain the board specific information.
59 ASL Optimizing Compiler version 20140214-64 [Mar 29 2014]
60 Copyright (c) 2000 - 2014 Intel Corporation
62 ASL Input: minnomax.asl - 30 lines, 614 bytes, 7 keywords
63 AML Output: minnowmax.aml - 165 bytes, 6 named objects, 1 executable opcodes
73 This option allows loading of user defined SSDTs from initrd and it is useful
90 mkdir -p kernel/firmware/acpi
95 find kernel | cpio -H newc --create > /boot/instrumented_initrd
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| /linux/include/linux/ |
| H A D | ptrace.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
14 /* Add sp to seccomp_data, as seccomp is user API, we don't want to modify it */
26 * The owner ship rules for task->ptrace which holds the ptrace
27 * flags is simple. When a task is running it owns it's task->ptrace
28 * flags. When the a task is stopped the ptracer owns task->ptrace.
75 * ptrace_may_access - check whether the caller is permitted to access
92 return !same_thread_group(child->real_parent, child->parent); in ptrace_reparented()
97 if (unlikely(child->ptrace)) in ptrace_unlink()
107 * ptrace_parent - return the task that is tracing the given task
119 if (unlikely(task->ptrace)) in ptrace_parent()
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| /linux/arch/arm/kernel/ |
| H A D | entry-common.S | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * linux/arch/arm/kernel/entry-common.S
14 #include <asm/unistd-oabi.h>
19 #include "entry-header.S"
22 #if defined(CONFIG_TRACE_IRQFLAGS) || defined(CONFIG_CONTEXT_TRACKING_USER)
37 * have tracing, context tracking and rseq debug disabled - the overheads
45 ldr r1, [tsk, #TI_FLAGS] @ re-check for syscall tracing
75 ldr r1, [tsk, #TI_FLAGS] @ re-check for syscall tracing
81 /* Slower path - fall through to work_pending */
92 movlt scno, #(__NR_restart_syscall - __NR_SYSCALL_BASE)
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| /linux/arch/x86/include/asm/ |
| H A D | sgx.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright(c) 2016-20 Intel Corporation.
14 * This file contains both data structures defined by SGX architecture and Linux
15 * defined software data structures and functions. The two should not be mixed
49 * SGX_ENCLS_FAULT_FLAG - flag signifying an ENCLS return code is a trapnr
57 * convert all faults to -EFAULT.
67 * enum sgx_return_code - The return code type for ENCLS, ENCLU and ENCLV
87 /* The modulus size for 3072-bit RSA keys. */
91 * enum sgx_miscselect - additional information to an SSA frame
108 * enum sgx_attributes - the attributes field in &struct sgx_secs
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| /linux/tools/include/linux/ |
| H A D | ring_buffer.h | 9 * user space requires the following barrier pairing (quote
15 * kernel user
17 * if (LOAD ->data_tail) { LOAD ->data_head
21 * STORE ->data_head STORE ->data_tail
27 * load of the ->data_tail and the stores of $data. In case
28 * ->data_tail indicates there is no room in the buffer to
57 #if defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__) || \ in ring_buffer_read_head()
58 defined(__ia64__) || defined(__sparc__) && defined(__arch64__) || defined(__riscv) in ring_buffer_read_head()
59 return smp_load_acquire(&base->data_head); in ring_buffer_read_head()
61 u64 head = READ_ONCE(base->data_head); in ring_buffer_read_head()
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| /linux/include/rdma/ |
| H A D | ib_cm.h | 1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
274 * ib_cm_handler - User-defined callback to process communication events.
280 * new @cm_id. The new @cm_id is returned to the user through this callback.
281 * Clients are responsible for destroying the new @cm_id. For peer-to-peer
283 * to a user's existing communication identifier.
286 * however, returning a non-zero value instructs the communication manager to
305 * ib_create_cm_id - Allocate a communication identifier.
308 * @cm_handler: Callback invoked to notify the user of CM events.
309 * @context: User specified context associated with the communication
320 * ib_destroy_cm_id - Destroy a connection identifier.
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| /linux/Documentation/scsi/ |
| H A D | st.rst | 1 .. SPDX-License-Identifier: GPL-2.0
21 1. Each user can specify the tape parameters he/she wants to use
23 flexible method and applicable to single-user workstations. However,
24 in a multiuser environment the next user finds the tape parameters in
25 state the previous user left them.
32 drive performs auto-detection of the tape format well (like some
33 QIC-drives). The result is that any tape can be read, writing can be
37 does not perform auto-detection well enough and there is a single
40 or not :-).
42 The user can override the parameters defined by the system
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| /linux/Documentation/power/ |
| H A D | freezing-of-tasks.rst | 10 The freezing of tasks is a mechanism by which user space processes and some
11 kernel threads are controlled during hibernation or system-wide suspend (on some
17 There is one per-task flag (PF_NOFREEZE) and three per-task states
19 The tasks that have PF_NOFREEZE unset (all user space tasks and some kernel
23 to system-wide suspend too).
26 freeze_processes() (defined in kernel/power/process.c) is called. A system-wide
27 static key freezer_active (as opposed to a per-task flag or state) is used to
30 try_to_freeze_tasks() that sends a fake signal to all user space processes, and
32 calling try_to_freeze(), which results in a call to __refrigerator() (defined
36 referred to as 'the freezer' (these functions are defined in
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| /linux/tools/perf/Documentation/ |
| H A D | perf-record.txt | 1 perf-record(1)
5 ----
6 perf-record - Run a command and record its profile into perf.data
9 ---
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| H A D | perf-probe.txt | 1 perf-probe(1)
5 ----
6 perf-probe - Define new dynamic tracepoints
9 --------
11 'perf probe' [options] --add='PROBE' [...]
15 'perf probe' [options] --del='[GROUP:]EVENT' [...]
17 'perf probe' --list[=[GROUP:]EVENT]
19 'perf probe' [options] --line='LINE'
21 'perf probe' [options] --vars='PROBEPOINT'
23 'perf probe' [options] --funcs
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| /linux/arch/arm/include/asm/ |
| H A D | uaccess-asm.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
6 #include <asm/asm-offsets.h>
21 adds \tmp, \addr, #\size - 1
34 subs \tmp, \tmp, \addr @ tmp = limit - 1 - addr
36 subshs \tmp, \tmp, \size @ tmp = limit - (addr + size) }
42 #if defined(CONFIG_CPU_SW_DOMAIN_PAN)
46 * Whenever we re-enter userspace, the domains should always be
58 * Whenever we re-enter userspace, the domains should always be
68 #elif defined(CONFIG_CPU_TTBR0_PAN)
109 #if defined(CONFIG_CPU_SW_DOMAIN_PAN) || defined(CONFIG_CPU_USE_DOMAINS)
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