| /Linux-v5.15/Documentation/devicetree/bindings/arm/ |
| D | idle-states.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/arm/idle-states.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
14 1 - Introduction
18 where cores can be put in different low-power states (ranging from simple wfi
20 range of dynamic idle states that a processor can enter at run-time, can be
27 - Running
28 - Idle_standby
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| D | psci.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
15 processors") can be used by Linux to initiate various CPU-centric power
25 r0 => 32-bit Function ID / return value
26 {r1 - r3} => Parameters
40 - description:
44 - description:
46 const: arm,psci-0.2
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| D | cpu-capacity.txt | 6 1 - Introduction
15 2 - CPU capacity definition
19 heterogeneity. Such heterogeneity can come from micro-architectural differences
23 capture a first-order approximation of the relative performance of CPUs.
29 * A "single-threaded" or CPU affine benchmark
43 3 - capacity-dmips-mhz
46 capacity-dmips-mhz is an optional cpu node [1] property: u32 value
51 capacity-dmips-mhz property is all-or-nothing: if it is specified for a cpu
54 available, final capacities are calculated by directly using capacity-dmips-
58 4 - Examples
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| /Linux-v5.15/fs/ksmbd/mgmt/ |
| D | user_session.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
27 unsigned int method; member
35 list_for_each_entry_safe(chann, tmp, &sess->ksmbd_chann_list, in free_channel_list()
37 list_del(&chann->chann_list); in free_channel_list()
43 struct ksmbd_session_rpc *entry) in __session_rpc_close() argument
47 resp = ksmbd_rpc_close(sess, entry->id); in __session_rpc_close()
49 pr_err("Unable to close RPC pipe %d\n", entry->id); in __session_rpc_close()
52 ksmbd_rpc_id_free(entry->id); in __session_rpc_close()
53 kfree(entry); in __session_rpc_close()
58 struct ksmbd_session_rpc *entry; in ksmbd_session_rpc_clear_list() local
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| /Linux-v5.15/Documentation/powerpc/ |
| D | booting.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 ------------------
8 was decided to enforce some strict rules regarding the kernel entry and
9 bootloader <-> kernel interfaces, in order to avoid the degeneration that had
10 become the ppc32 kernel entry point and the way a new platform should be added
14 merged architecture for ppc32 and ppc64, new 32-bit platforms and 32-bit
19 of a device-tree whose format is defined after Open Firmware specification.
21 doesn't require the device-tree to represent every device in the system and only
34 Entry point
37 There is one single entry point to the kernel, at the start
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| D | hvcs.rst | 24 3.1 Built-in:
55 major and minor numbers are associated with each vty-server. Directions
68 built into the kernel. If not, the default can be over-ridden by inserting
71 3.1 Built-in:
72 -------------
77 Device Drivers --->
78 Character devices --->
84 -----------
89 Device Drivers --->
90 Character devices --->
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| /Linux-v5.15/Documentation/locking/ |
| D | ww-mutex-design.rst | 2 Wound/Wait Deadlock-Proof Mutex Design
5 Please read mutex-design.rst first, as it applies to wait/wound mutexes too.
7 Motivation for WW-Mutexes
8 -------------------------
37 and the deadlock handling approach is called Wait-Die. The name is based on
41 and dies. Hence Wait-Die.
42 There is also another algorithm called Wound-Wait:
46 transaction. Hence Wound-Wait.
48 However, the Wound-Wait algorithm is typically stated to generate fewer backoffs
49 compared to Wait-Die, but is, on the other hand, associated with more work than
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| /Linux-v5.15/drivers/acpi/acpica/ |
| D | utpredef.c | 1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
4 * Module Name: utpredef - support functions for predefined names
6 * Copyright (C) 2000 - 2021, Intel Corp.
33 * PARAMETERS: this_name - Entry in the predefined method/name table
35 * RETURN: Pointer to next entry in predefined table.
37 * DESCRIPTION: Get the next entry in the predefine method table. Handles the
38 * cases where a package info entry follows a method name that
49 * Skip next entry in the table if this name returns a Package in acpi_ut_get_next_predefined_method()
50 * (next entry contains the package info) in acpi_ut_get_next_predefined_method()
52 if ((this_name->info.expected_btypes & ACPI_RTYPE_PACKAGE) && in acpi_ut_get_next_predefined_method()
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| D | nsarguments.c | 1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
4 * Module Name: nsarguments - Validation of args for ACPI predefined methods
6 * Copyright (C) 2000 - 2021, Intel Corp.
22 * PARAMETERS: info - Method execution information block
41 * Also, ignore typecheck if warnings/errors if this method in acpi_ns_check_argument_types()
42 * has already been evaluated at least once -- in order in acpi_ns_check_argument_types()
45 if (!info->predefined || (info->node->flags & ANOBJ_EVALUATED)) { in acpi_ns_check_argument_types()
49 arg_type_list = info->predefined->info.argument_list; in acpi_ns_check_argument_types()
54 for (i = 0; ((i < arg_count) && (i < info->param_count)); i++) { in acpi_ns_check_argument_types()
56 user_arg_type = info->parameters[i]->common.type; in acpi_ns_check_argument_types()
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| D | dsmthdat.c | 1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
4 * Module Name: dsmthdat - control method arguments and local variables
38 * PARAMETERS: walk_state - Current walk state object
42 * DESCRIPTION: Initialize the data structures that hold the method's arguments
44 * each - this allows ref_of and de_ref_of to work properly for these
50 * A pseudo-Namespace Node is assigned to each argument and local
61 /* Init the method arguments */ in acpi_ds_method_data_init()
64 ACPI_MOVE_32_TO_32(&walk_state->arguments[i].name, in acpi_ds_method_data_init()
67 walk_state->arguments[i].name.integer |= (i << 24); in acpi_ds_method_data_init()
68 walk_state->arguments[i].descriptor_type = ACPI_DESC_TYPE_NAMED; in acpi_ds_method_data_init()
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| /Linux-v5.15/drivers/net/wireless/intel/iwlwifi/fw/ |
| D | acpi.c | 1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
4 * Copyright (C) 2019-2021 Intel Corporation
7 #include "iwl-drv.h"
8 #include "iwl-debug.h"
22 static int iwl_acpi_get_handle(struct device *dev, acpi_string method, in iwl_acpi_get_handle() argument
32 return -ENOENT; in iwl_acpi_get_handle()
35 status = acpi_get_handle(root_handle, method, ret_handle); in iwl_acpi_get_handle()
38 "ACPI: %s method not found\n", method); in iwl_acpi_get_handle()
39 return -ENOENT; in iwl_acpi_get_handle()
44 void *iwl_acpi_get_object(struct device *dev, acpi_string method) in iwl_acpi_get_object() argument
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| /Linux-v5.15/drivers/scsi/isci/ |
| D | remote_node_table.c | 7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
83 group_table = remote_node_table->remote_node_groups[group_table_index]; in sci_remote_node_table_get_group_index()
85 for (dword_index = 0; dword_index < remote_node_table->group_array_size; dword_index++) { in sci_remote_node_table_get_group_index()
106 * This method will clear the group index entry in the specified group index
119 BUG_ON(group_index >= (u32)(remote_node_table->group_array_size * 32)); in sci_remote_node_table_clear_group_index()
123 group_table = remote_node_table->remote_node_groups[group_table_index]; in sci_remote_node_table_clear_group_index()
136 * This method will set the group index bit entry in the specified gropu index
149 BUG_ON(group_index >= (u32)(remote_node_table->group_array_size * 32)); in sci_remote_node_table_set_group_index()
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| /Linux-v5.15/arch/arm64/boot/dts/arm/ |
| D | juno-r2.dts | 9 /dts-v1/;
11 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 #include "juno-base.dtsi"
13 #include "juno-cs-r1r2.dtsi"
17 compatible = "arm,juno-r2", "arm,juno", "arm,vexpress";
18 interrupt-parent = <&gic>;
19 #address-cells = <2>;
20 #size-cells = <2>;
27 stdout-path = "serial0:115200n8";
31 compatible = "arm,psci-0.2";
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| D | juno.dts | 4 * Copyright (c) 2013-2014 ARM Ltd.
9 /dts-v1/;
11 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 #include "juno-base.dtsi"
17 interrupt-parent = <&gic>;
18 #address-cells = <2>;
19 #size-cells = <2>;
26 stdout-path = "serial0:115200n8";
30 compatible = "arm,psci-0.2";
31 method = "smc";
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| D | juno-r1.dts | 9 /dts-v1/;
11 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 #include "juno-base.dtsi"
13 #include "juno-cs-r1r2.dtsi"
17 compatible = "arm,juno-r1", "arm,juno", "arm,vexpress";
18 interrupt-parent = <&gic>;
19 #address-cells = <2>;
20 #size-cells = <2>;
27 stdout-path = "serial0:115200n8";
31 compatible = "arm,psci-0.2";
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| /Linux-v5.15/arch/arm64/boot/dts/synaptics/ |
| D | as370.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 interrupt-parent = <&gic>;
13 #address-cells = <2>;
14 #size-cells = <2>;
17 compatible = "arm,psci-1.0";
18 method = "smc";
22 #address-cells = <1>;
23 #size-cells = <0>;
26 compatible = "arm,cortex-a53";
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| /Linux-v5.15/Documentation/ABI/testing/ |
| D | sysfs-driver-toshiba_acpi | 8 * 0x1 -> FN-Z
9 * 0x2 -> AUTO (also called TIMER)
10 * 0x8 -> ON
11 * 0x10 -> OFF
14 parameters, kernel 3.15 only accepts the first two (FN-Z and
26 valid values range from 0-60.
29 type and the range accepted for type 2 is 1-60.
30 See the entry named "kbd_type"
37 Description: This file shows the absolute position of the built-in
47 * 0 -> OFF
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| /Linux-v5.15/arch/arm64/kernel/ |
| D | cpu_ops.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * CPU kernel entry/exit control
46 if (!strcmp(name, (*ops)->name)) in cpu_get_ops()
68 enable_method = of_get_property(dn, "enable-method", NULL); in cpu_read_enable_method()
71 * The boot CPU may not have an enable method (e.g. in cpu_read_enable_method()
72 * when spin-table is used for secondaries). in cpu_read_enable_method()
76 pr_err("%pOF: missing enable-method property\n", in cpu_read_enable_method()
85 * checking the enable method since for some in cpu_read_enable_method()
90 pr_err("Unsupported ACPI enable-method\n"); in cpu_read_enable_method()
97 * Read a cpu's enable method and record it in cpu_ops.
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| /Linux-v5.15/drivers/infiniband/core/ |
| D | mad.c | 2 * Copyright (c) 2004-2007 Voltaire, Inc. All rights reserved.
18 * - Redistributions of source code must retain the above
22 * - Redistributions in binary form must reproduce the above
40 #include <linux/dma-mapping.h>
60 struct trace_event_raw_ib_mad_send_template *entry) in create_mad_addr_info() argument
63 struct ib_device *dev = qp_info->port_priv->device; in create_mad_addr_info()
64 u32 pnum = qp_info->port_priv->port_num; in create_mad_addr_info()
65 struct ib_ud_wr *wr = &mad_send_wr->send_wr; in create_mad_addr_info()
68 rdma_query_ah(wr->ah, &attr); in create_mad_addr_info()
71 entry->sl = attr.sl; in create_mad_addr_info()
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| /Linux-v5.15/arch/arm64/boot/dts/mediatek/ |
| D | mt8192.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
7 /dts-v1/;
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
9 #include <dt-bindings/interrupt-controller/irq.h>
10 #include <dt-bindings/pinctrl/mt8192-pinfunc.h>
14 interrupt-parent = <&gic>;
15 #address-cells = <2>;
16 #size-cells = <2>;
19 compatible = "fixed-clock";
20 #clock-cells = <0>;
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| /Linux-v5.15/Documentation/filesystems/nfs/ |
| D | rpc-cache.rst | 21 - mapping from IP address to client name
22 - mapping from client name and filesystem to export options
23 - mapping from UID to list of GIDs, to work around NFS's limitation
25 - mappings between local UID/GID and remote UID/GID for sites that
27 - mapping from network identify to public key for crypto authentication.
31 - general cache lookup with correct locking
32 - supporting 'NEGATIVE' as well as positive entries
33 - allowing an EXPIRED time on cache items, and removing
34 items after they expire, and are no longer in-use.
35 - making requests to user-space to fill in cache entries
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| /Linux-v5.15/fs/isofs/ |
| D | isofs.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
30 * iso9660 super-block data in memory
63 #define ISOFS_INVALID_MODE ((umode_t) -1)
67 return sb->s_fs_info; in ISOFS_SB()
144 * underlying meta-data for an inode, we are free to choose a more
145 * convenient 32-bit number as the inode number. The inode numbering
151 return (block << (bufbits - 5)) | (offset >> 5); in isofs_get_ino()
155 * throughout the directory tree. First there is the directory entry
157 * Then, there is the "." directory entry stored in the directory
161 * In order for the NFS get_parent() method to work and for the
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| /Linux-v5.15/Documentation/firmware-guide/acpi/ |
| D | method-tracing.rst | 1 .. SPDX-License-Identifier: GPL-2.0
15 method tracing facility.
20 ACPICA provides method tracing capability. And two functions are
24 -----------
28 ACPI_DEBUG_PRINT() macro can be reduced at 2 levels - per-component
30 /sys/module/acpi/parameters/debug_layer) and per-type level (known as
33 But when the particular layer/level is applied to the control method
37 logs when the control method evaluation is started, and disable the
38 detailed logging when the control method evaluation is stopped.
52 control method is being evaluated::
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| /Linux-v5.15/drivers/acpi/x86/ |
| D | s2idle.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Architecture-specific ACPI-based support for suspend-to-idle.
7 * Author: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
11 * Controller) and a specific _DSM method under it. That method, if present,
13 * low-power state in which certain types of activity are not desirable or that
36 #define ACPI_LPS0_DSM_UUID_MICROSOFT "11e00d56-ce64-47ce-837b-1f898f9aa461"
38 #define ACPI_LPS0_DSM_UUID "c4eb40a0-6cd2-11e2-bcfd-0800200c9a66"
49 #define ACPI_LPS0_DSM_UUID_AMD "e3f32452-febc-43ce-9039-932122d37721"
62 /* Device constraint entry structure */
108 for (i = 0; i < out_obj->package.count; i++) { in lpi_device_get_constraints_amd()
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| /Linux-v5.15/Documentation/PCI/ |
| D | pci-iov-howto.rst | 1 .. SPDX-License-Identifier: GPL-2.0
9 :Authors: - Yu Zhao <yu.zhao@intel.com>
10 - Donald Dutile <ddutile@redhat.com>
15 What is SR-IOV
16 --------------
18 Single Root I/O Virtualization (SR-IOV) is a PCI Express Extended
34 How can I enable SR-IOV capability
35 ----------------------------------
37 Multiple methods are available for SR-IOV enablement.
38 In the first method, the device driver (PF driver) will control the
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