| /Linux-v5.4/Documentation/devicetree/bindings/arm/ |
| D | idle-states.txt | 6 1 - Introduction
10 where cores can be put in different low-power states (ranging from simple
12 the range of dynamic idle states that a processor can enter at run-time, can be
19 - Running
20 - Idle_standby
21 - Idle_retention
22 - Sleep
23 - Off
29 wake-up capabilities, hence it is not considered in this document).
31 Idle state parameters (e.g. entry latency) are platform specific and need to be
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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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| 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
37 - description:
41 - description:
43 const: arm,psci-0.2
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| /Linux-v5.4/Documentation/devicetree/bindings/arm/bcm/ |
| D | brcm,nsp-cpu-method.txt | 1 Broadcom Northstar Plus SoC CPU Enable Method
2 ---------------------------------------------
3 This binding defines the enable method used for starting secondary
7 The enable method is specified by defining the following required
9 - enable-method = "brcm,bcm-nsp-smp";
10 - secondary-boot-reg = <...>;
12 The secondary-boot-reg property is a u32 value that specifies the
14 entry point for a secondary CPU. This entry is cpu node specific
16 is a dual core CPU SoC, this entry should be added to cpu1 node.
21 #address-cells = <1>;
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| /Linux-v5.4/Documentation/locking/ |
| D | ww-mutex-design.rst | 2 Wound/Wait Deadlock-Proof Mutex Design
5 Please read mutex-design.txt 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-v5.4/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 - 2019, 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 - 2019, 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-v5.4/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.
85 group_table = remote_node_table->remote_node_groups[group_table_index]; in sci_remote_node_table_get_group_index()
87 for (dword_index = 0; dword_index < remote_node_table->group_array_size; dword_index++) { in sci_remote_node_table_get_group_index()
108 * This method will clear the group index entry in the specified group index
121 BUG_ON(group_index >= (u32)(remote_node_table->group_array_size * 32)); in sci_remote_node_table_clear_group_index()
125 group_table = remote_node_table->remote_node_groups[group_table_index]; in sci_remote_node_table_clear_group_index()
138 * This method will set the group index bit entry in the specified gropu index
151 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-v5.4/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-v5.4/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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| D | berlin4ct.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>;
21 compatible = "arm,psci-1.0", "arm,psci-0.2";
22 method = "smc";
26 #address-cells = <1>;
27 #size-cells = <0>;
30 compatible = "arm,cortex-a53";
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| /Linux-v5.4/Documentation/ABI/testing/ |
| D | sysfs-driver-toshiba_acpi | 7 * 0x1 -> FN-Z
8 * 0x2 -> AUTO (also called TIMER)
9 * 0x8 -> ON
10 * 0x10 -> OFF
12 parameters, kernel 3.15 only accepts the first two (FN-Z and
24 valid values range from 0-60.
27 type and the range accepted for type 2 is 1-60.
28 See the entry named "kbd_type"
35 Description: This file shows the absolute position of the built-in
44 * 0 -> OFF
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| /Linux-v5.4/arch/arm64/kernel/ |
| D | cpu_ops.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * CPU kernel entry/exit control
44 if (!strcmp(name, (*ops)->name)) in cpu_get_ops()
66 enable_method = of_get_property(dn, "enable-method", NULL); in cpu_read_enable_method()
69 * The boot CPU may not have an enable method (e.g. in cpu_read_enable_method()
70 * when spin-table is used for secondaries). in cpu_read_enable_method()
74 pr_err("%pOF: missing enable-method property\n", in cpu_read_enable_method()
83 * checking the enable method since for some in cpu_read_enable_method()
88 pr_err("Unsupported ACPI enable-method\n"); in cpu_read_enable_method()
95 * Read a cpu's enable method and record it in cpu_ops.
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| /Linux-v5.4/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 u8 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-v5.4/Documentation/filesystems/nfs/ |
| D | rpc-cache.txt | 15 - mapping from IP address to client name
16 - mapping from client name and filesystem to export options
17 - mapping from UID to list of GIDs, to work around NFS's limitation
19 - mappings between local UID/GID and remote UID/GID for sites that
21 - mapping from network identify to public key for crypto authentication.
24 - general cache lookup with correct locking
25 - supporting 'NEGATIVE' as well as positive entries
26 - allowing an EXPIRED time on cache items, and removing
27 items after they expire, and are no longer in-use.
28 - making requests to user-space to fill in cache entries
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| /Linux-v5.4/drivers/net/wireless/intel/iwlwifi/fw/ |
| D | acpi.c | 25 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
61 #include "iwl-drv.h"
62 #include "iwl-debug.h"
65 void *iwl_acpi_get_object(struct device *dev, acpi_string method) in iwl_acpi_get_object() argument
76 return ERR_PTR(-ENOENT); in iwl_acpi_get_object()
79 /* Get the method's handle */ in iwl_acpi_get_object()
80 status = acpi_get_handle(root_handle, method, &handle); in iwl_acpi_get_object()
82 IWL_DEBUG_DEV_RADIO(dev, "%s method not found\n", method); in iwl_acpi_get_object()
83 return ERR_PTR(-ENOENT); in iwl_acpi_get_object()
86 /* Call the method with no arguments */ in iwl_acpi_get_object()
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| /Linux-v5.4/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-v5.4/fs/isofs/ |
| D | isofs.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
30 * iso9660 super-block data in memory
64 #define ISOFS_INVALID_MODE ((umode_t) -1)
68 return sb->s_fs_info; in ISOFS_SB()
145 * underlying meta-data for an inode, we are free to choose a more
146 * convenient 32-bit number as the inode number. The inode numbering
152 return (block << (bufbits - 5)) | (offset >> 5); in isofs_get_ino()
156 * throughout the directory tree. First there is the directory entry
158 * Then, there is the "." directory entry stored in the directory
162 * In order for the NFS get_parent() method to work and for the
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| /Linux-v5.4/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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| /Linux-v5.4/Documentation/powerpc/ |
| 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-v5.4/drivers/scsi/aic94xx/ |
| D | aic94xx_sds.c | 1 // SPDX-License-Identifier: GPL-2.0-only
18 /* ---------- OCM stuff ---------- */
34 struct asd_ocm_dir_ent entry[15]; member
65 .type = (OCM_DE_ADDC2C_RES0), /* Entry type */
70 .type = (OCM_DE_ADDC2C_RES1), /* Entry type */
75 .type = (OCM_DE_ADDC2C_RES2), /* Entry type */
80 .type = (OCM_DE_ADDC2C_RES3), /* Entry type */
85 .type = (OCM_DE_WIN_DRVR), /* Entry type */
108 * asd_read_ocm_seg - read an on chip memory (OCM) segment
120 if (unlikely(asd_ha->iospace)) in asd_read_ocm_seg()
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| /Linux-v5.4/Documentation/security/ |
| D | IMA-templates.rst | 41 mechanism) to generate a new measurement entry by using the template
46 a given template but, instead, it simply calls the ``init()`` method of the template
48 (pointer to allocated data and data length) in the measurement entry structure.
51 The functions ``ima[_ascii]_measurements_show()`` retrieve, for each entry,
52 the template descriptor used to produce that entry and call the show()
53 method for each item of the array of template fields structures.
65 - 'd': the digest of the event (i.e. the digest of a measured file),
67 - 'n': the name of the event (i.e. the file name), with size up to 255 bytes;
68 - 'd-ng': the digest of the event, calculated with an arbitrary hash
71 - 'd-modsig': the digest of the event without the appended modsig;
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