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/kernel/linux/linux-5.10/sound/soc/sof/intel/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
17 This option is not user-selectable but automagically handled by
18 'select' statements at a higher level
33 This option is not user-selectable but automagically handled by
34 'select' statements at a higher level
39 This option is not user-selectable but automagically handled by
40 'select' statements at a higher level
47 This option is not user-selectable but automagically handled by
48 'select' statements at a higher level
57 This option is not user-selectable but automagically handled by
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/kernel/linux/linux-4.19/Documentation/ia64/
Dfsys.txt1 -*-Mode: outline-*-
3 Light-weight System Calls for IA-64
4 -----------------------------------
6 Started: 13-Jan-2003
7 Last update: 27-Sep-2003
9 David Mosberger-Tang
14 "fsys-mode". To recap, the normal states of execution are:
16 - kernel mode:
18 switched over to kernel memory. The user-level state is saved
19 in a pt-regs structure at the top of the kernel memory stack.
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/kernel/linux/linux-5.10/Documentation/ia64/
Dfsys.rst2 Light-weight System Calls for IA-64
5 Started: 13-Jan-2003
7 Last update: 27-Sep-2003
9 David Mosberger-Tang
14 "fsys-mode". To recap, the normal states of execution are:
16 - kernel mode:
18 switched over to kernel memory. The user-level state is saved
19 in a pt-regs structure at the top of the kernel memory stack.
21 - user mode:
23 user memory. The user-level state is contained in the
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/kernel/linux/linux-4.19/security/selinux/ss/
Dcontext.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * externally represented as variable-length strings
7 * that can be interpreted by a user or application
24 * A security context consists of an authenticated user
28 u32 user; member
38 memset(&c->range, 0, sizeof(c->range)); in mls_context_init()
45 dst->range.level[0].sens = src->range.level[0].sens; in mls_context_cpy()
46 rc = ebitmap_cpy(&dst->range.level[0].cat, &src->range.level[0].cat); in mls_context_cpy()
50 dst->range.level[1].sens = src->range.level[1].sens; in mls_context_cpy()
51 rc = ebitmap_cpy(&dst->range.level[1].cat, &src->range.level[1].cat); in mls_context_cpy()
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Dmls.c1 // SPDX-License-Identifier: GPL-2.0
3 * Implementation of the multi-level security (MLS) policy.
12 * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc.
15 * Updated: Hewlett-Packard <paul@paul-moore.com>
19 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
43 if (!p->mls_enabled) in mls_compute_context_len()
48 int index_sens = context->range.level[l].sens; in mls_compute_context_len()
49 len += strlen(sym_name(p, SYM_LEVELS, index_sens - 1)); in mls_compute_context_len()
52 head = -2; in mls_compute_context_len()
53 prev = -2; in mls_compute_context_len()
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Dconstraint.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * beyond the type-based rules in `te' or the role-based
8 * used to prevent a process from transitioning to a new user
11 * process from labeling an object with a different user
31 #define CEXPR_USER 1 /* user */
36 #define CEXPR_L1L2 32 /* low level 1 vs. low level 2 */
37 #define CEXPR_L1H2 64 /* low level 1 vs. high level 2 */
38 #define CEXPR_H1L2 128 /* high level 1 vs. low level 2 */
39 #define CEXPR_H1H2 256 /* high level 1 vs. high level 2 */
40 #define CEXPR_L1H1 512 /* low level 1 vs. high level 1 */
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/kernel/linux/linux-5.10/security/selinux/ss/
Dcontext.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * externally represented as variable-length strings
7 * that can be interpreted by a user or application
24 * A security context consists of an authenticated user
28 u32 user; member
38 memset(&c->range, 0, sizeof(c->range)); in mls_context_init()
45 dst->range.level[0].sens = src->range.level[0].sens; in mls_context_cpy()
46 rc = ebitmap_cpy(&dst->range.level[0].cat, &src->range.level[0].cat); in mls_context_cpy()
50 dst->range.level[1].sens = src->range.level[1].sens; in mls_context_cpy()
51 rc = ebitmap_cpy(&dst->range.level[1].cat, &src->range.level[1].cat); in mls_context_cpy()
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Dmls.c1 // SPDX-License-Identifier: GPL-2.0
3 * Implementation of the multi-level security (MLS) policy.
12 * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc.
15 * Updated: Hewlett-Packard <paul@paul-moore.com>
19 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
43 if (!p->mls_enabled) in mls_compute_context_len()
48 int index_sens = context->range.level[l].sens; in mls_compute_context_len()
49 len += strlen(sym_name(p, SYM_LEVELS, index_sens - 1)); in mls_compute_context_len()
52 head = -2; in mls_compute_context_len()
53 prev = -2; in mls_compute_context_len()
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Dconstraint.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * beyond the type-based rules in `te' or the role-based
8 * used to prevent a process from transitioning to a new user
11 * process from labeling an object with a different user
31 #define CEXPR_USER 1 /* user */
36 #define CEXPR_L1L2 32 /* low level 1 vs. low level 2 */
37 #define CEXPR_L1H2 64 /* low level 1 vs. high level 2 */
38 #define CEXPR_H1L2 128 /* high level 1 vs. low level 2 */
39 #define CEXPR_H1H2 256 /* high level 1 vs. high level 2 */
40 #define CEXPR_L1H1 512 /* low level 1 vs. high level 1 */
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/kernel/linux/linux-4.19/Documentation/acpi/
Dvideo_extension.txt13 1 Export a sysfs interface for user space to control backlight level
22 Documentation/ABI/stable/sysfs-class-backlight.
26 get the brightness level the firmware thinks it is at;
29 brightness level;
61 as a "brightness level" indicator. Thus from the user space perspective
65 2 Notify user space about hotkey event
68 i) For some laptops, when user presses the hotkey, a scancode will be
69 generated and sent to user space through the input device created by
71 following key code will appear to user space:
84 notify value it received and send the event to user space through the
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/kernel/linux/linux-5.10/Documentation/firmware-guide/acpi/
Dvideo_extension.rst1 .. SPDX-License-Identifier: GPL-2.0
16 Export a sysfs interface for user space to control backlight level
26 Documentation/ABI/stable/sysfs-class-backlight.
32 get the brightness level the firmware thinks it is at;
36 on write, control method _BCM will run to set the requested brightness level;
70 as a "brightness level" indicator. Thus from the user space perspective
74 Notify user space about hotkey event
79 i) For some laptops, when user presses the hotkey, a scancode will be
80 generated and sent to user space through the input device created by
82 following key code will appear to user space::
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/kernel/linux/linux-5.10/Documentation/admin-guide/
Dthunderbolt.rst1 .. SPDX-License-Identifier: GPL-2.0
7 some differences at the register level among other things. Connection
18 software connection manager in Linux also advertises security level
19 ``user`` which means PCIe tunneling is disabled by default. The
21 the software connection manager only supports ``user`` security level and
25 -----------------------------------
27 should be a userspace tool that handles all the low-level details, keeps
31 found in ``Documentation/ABI/testing/sysfs-bus-thunderbolt``.
35 ``/etc/udev/rules.d/99-local.rules``::
44 security levels available. Intel Titan Ridge added one more security level
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/kernel/linux/linux-4.19/include/uapi/linux/
Dhyperv.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
17 * Place - Suite 330, Boston, MA 02111-1307 USA.
160 * Maximum value size - used for both key names and value data, and includes
171 * Note: This value is used in defining the KVP exchange message - this value
182 * Maximum key size - the registry limit for the length of an entry name
192 * implementing the host/guest protocol. 2) A user level daemon that is
217 * data gathering functionality in a user mode daemon. The user level daemon
219 * kernel and user-level daemon communicate using a connector channel.
221 * The user mode component first registers with the
223 * for the specified keys. In response to this message the user mode component
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/kernel/linux/linux-5.10/include/uapi/linux/
Dhyperv.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
17 * Place - Suite 330, Boston, MA 02111-1307 USA.
160 * Maximum value size - used for both key names and value data, and includes
171 * Note: This value is used in defining the KVP exchange message - this value
182 * Maximum key size - the registry limit for the length of an entry name
192 * implementing the host/guest protocol. 2) A user level daemon that is
217 * data gathering functionality in a user mode daemon. The user level daemon
219 * kernel and user-level daemon communicate using a connector channel.
221 * The user mode component first registers with the
223 * for the specified keys. In response to this message the user mode component
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Dvbox_vmmdev_types.h1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR CDDL-1.0) */
3 * Virtual Device for Guest <-> VMM/Host communication, type definitions
6 * Copyright (C) 2006-2016 Oracle Corporation
20 typedef char type ## _asrt_size[1 - 2*!!(sizeof(struct type) != (size))]
22 /** enum vmmdev_request_type - VMMDev request types. */
98 /* Ensure the enum is a 32 bit data-type */
110 /* Requestor user not given. */
116 /* The root or a admin user is the requestor. */
118 /* Regular joe user is making the request. */
120 /* User classification mask. */
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/kernel/linux/linux-5.10/sound/soc/tegra/
Dtegra20_spdif.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * tegra20_spdif.h - Definitions for Tegra20 SPDIF driver
6 * Copyright (C) 2011 - NVIDIA, Inc.
9 * Copyright (c) 2008-2009, NVIDIA Corporation
54 /* Transmit user Data */
75 /* Interrupt when RX user FIFO attention level is reached */
78 /* Interrupt when TX user FIFO attention level is reached */
81 /* Interrupt when RX data FIFO attention level is reached */
84 /* Interrupt when TX data FIFO attention level is reached */
152 * TX User data FIFO busy.
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/kernel/linux/linux-4.19/sound/soc/tegra/
Dtegra20_spdif.h2 * tegra20_spdif.h - Definitions for Tegra20 SPDIF driver
5 * Copyright (C) 2011 - NVIDIA, Inc.
8 * Copyright (c) 2008-2009, NVIDIA Corporation
22 * 02110-1301 USA
68 /* Transmit user Data */
89 /* Interrupt when RX user FIFO attention level is reached */
92 /* Interrupt when TX user FIFO attention level is reached */
95 /* Interrupt when RX data FIFO attention level is reached */
98 /* Interrupt when TX data FIFO attention level is reached */
166 * TX User data FIFO busy.
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/kernel/linux/linux-5.10/drivers/staging/comedi/drivers/ni_routing/
DREADME13 1) The register values are _NOT_ in user documentation, but rather in
15 increasingly hard to find and the NI-MHDDK (comments in in example code).
21 name enums such that a user might know which enums should be used for
22 varying purposes, but the end-user had to gain a knowledge of register
25 3) The names for signals and registers found in the various register level
26 programming manuals and vendor-provided documentation are _not_ even
27 close to the same names that are in the end-user documentation.
32 NIDAQmx(-base) c-libraries, nor with register level programming, _nor_
34 information is through the proprietary NI-MAX software, which currently only
36 cannot be exported from NI-MAX, except by screenshot.
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/kernel/linux/linux-4.19/arch/x86/mm/
Dpti.c20 * Signed-off-by: Richard Fellner <richard.fellner@student.tugraz.at>
21 * Signed-off-by: Moritz Lipp <moritz.lipp@iaik.tugraz.at>
22 * Signed-off-by: Daniel Gruss <daniel.gruss@iaik.tugraz.at>
23 * Signed-off-by: Michael Schwarz <michael.schwarz@iaik.tugraz.at>
52 #define pr_fmt(fmt) "Kernel/User page tables isolation: " fmt
60 * Define the page-table levels we clone for user-space on 32
141 * Top-level entries added to init_mm's usermode pgd after boot in __pti_set_user_pgtbl()
148 * The user page tables get the full PGD, accessible from in __pti_set_user_pgtbl()
151 kernel_to_user_pgdp(pgdp)->pgd = pgd.pgd; in __pti_set_user_pgtbl()
154 * If this is normal user memory, make it NX in the kernel in __pti_set_user_pgtbl()
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/kernel/linux/linux-5.10/sound/soc/sof/imx/
DKconfig1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
19 This option is not user-selectable but automagically handled by
20 'select' statements at a higher level
25 This option is not user-selectable but automagically handled by
26 'select' statements at a higher level.
42 This option is not user-selectable but automagically handled by
43 'select' statements at a higher level
58 This option is not user-selectable but automagically handled by
59 'select' statements at a higher level
/kernel/linux/linux-5.10/arch/x86/mm/
Dpti.c1 // SPDX-License-Identifier: GPL-2.0-only
12 * Signed-off-by: Richard Fellner <richard.fellner@student.tugraz.at>
13 * Signed-off-by: Moritz Lipp <moritz.lipp@iaik.tugraz.at>
14 * Signed-off-by: Daniel Gruss <daniel.gruss@iaik.tugraz.at>
15 * Signed-off-by: Michael Schwarz <michael.schwarz@iaik.tugraz.at>
43 #define pr_fmt(fmt) "Kernel/User page tables isolation: " fmt
51 * Define the page-table levels we clone for user-space on 32
132 * Top-level entries added to init_mm's usermode pgd after boot in __pti_set_user_pgtbl()
139 * The user page tables get the full PGD, accessible from in __pti_set_user_pgtbl()
142 kernel_to_user_pgdp(pgdp)->pgd = pgd.pgd; in __pti_set_user_pgtbl()
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/kernel/linux/linux-5.10/include/asm-generic/
Dpgalloc.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 * __pte_alloc_one_kernel - allocate a page for PTE-level kernel page table
26 * pte_alloc_one_kernel - allocate a page for PTE-level kernel page table
38 * pte_free_kernel - free PTE-level kernel page table page
48 * __pte_alloc_one - allocate a page for PTE-level user page table
76 * pte_alloc_one - allocate a page for PTE-level user page table
95 * pte_free - free PTE-level user page table page
110 * pmd_alloc_one - allocate a page for PMD-level page table
114 * Allocations use %GFP_PGTABLE_USER in user context and
140 BUG_ON((unsigned long)pmd & (PAGE_SIZE-1)); in pmd_free()
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/kernel/linux/linux-5.10/arch/xtensa/kernel/
Dvectors.S4 * This file contains all exception vectors (user, kernel, and double),
13 * Copyright (C) 2005 - 2008 Tensilica, Inc.
20 * We use a two-level table approach. The user and kernel exception vectors
21 * use a first-level dispatch table to dispatch the exception to a registered
23 * The default handler sets up a C-stack and dispatches the exception to a
24 * registerd C handler in the second-level dispatch table.
41 * Note: Neither the kernel nor the user exception handler generate literals.
50 #include <asm/asm-offsets.h>
60 * User exception vector. (Exceptions with PS.UM == 1, PS.EXCM == 0)
63 * We switch to the kernel stack and jump to the first level handler
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/kernel/linux/linux-4.19/arch/xtensa/kernel/
Dvectors.S4 * This file contains all exception vectors (user, kernel, and double),
13 * Copyright (C) 2005 - 2008 Tensilica, Inc.
20 * We use a two-level table approach. The user and kernel exception vectors
21 * use a first-level dispatch table to dispatch the exception to a registered
23 * The default handler sets up a C-stack and dispatches the exception to a
24 * registerd C handler in the second-level dispatch table.
41 * Note: Neither the kernel nor the user exception handler generate literals.
48 #include <asm/asm-offsets.h>
59 * User exception vector. (Exceptions with PS.UM == 1, PS.EXCM == 0)
62 * We switch to the kernel stack and jump to the first level handler
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/kernel/linux/linux-5.10/arch/x86/kernel/
Dioport.c1 // SPDX-License-Identifier: GPL-2.0
3 * This contains the io-permission bitmap code - written by obz, with changes
24 /* Can be NULL when current->thread.iopl_emul == 3 */ in io_bitmap_share()
25 if (current->thread.io_bitmap) { in io_bitmap_share()
30 refcount_inc(&current->thread.io_bitmap->refcnt); in io_bitmap_share()
31 tsk->thread.io_bitmap = current->thread.io_bitmap; in io_bitmap_share()
38 struct thread_struct *t = &tsk->thread; in task_update_io_bitmap()
40 if (t->iopl_emul == 3 || t->io_bitmap) { in task_update_io_bitmap()
41 /* TSS update is handled on exit to user space */ in task_update_io_bitmap()
54 struct io_bitmap *iobm = tsk->thread.io_bitmap; in io_bitmap_exit()
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