| /linux/include/linux/ |
| H A D | cpuhotplug.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
8 * CPU-up CPU-down
15 * BRINGUP_CPU->AP_OFFLINE BRINGUP_CPU <- AP_IDLE_DEAD (idle thread/play_dead)
17 * v (IRQ-off) ,---------------^
19 * | TEARDOWN_CPU <- AP_ONLINE_IDLE
30 * CPUHP_ONLINE - 1 down to CPUHP_OFFLINE.
54 * See Documentation/core-api/cpu_hotplug.rst for further information and
58 CPUHP_INVALID = -1,
261 * cpuhp_setup_state - Setup hotplug state callbacks with calling the @startup
280 * cpuhp_setup_state_cpuslocked - Setup hotplug state callbacks with calling
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| /linux/Documentation/core-api/ |
| H A D | cpu_hotplug.rst | 26 A more novel use of CPU-hotplug support is its use today in suspend resume
27 support for SMP. Dual-core and HT support makes even a laptop run SMP kernels
75 from the map depending on the event is hot-add/hot-remove. There are currently
80 be read-only for most use. When setting up per-cpu resources almost always use
94 $ ls -lh /sys/devices/system/cpu
96 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu0
97 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu1
98 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu2
99 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu3
100 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu4
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| /linux/drivers/firmware/arm_scmi/ |
| H A D | protocols.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
42 * struct scmi_msg_resp_prot_version - Response for a message
59 * struct scmi_msg - Message(Tx/Rx) structure
70 * struct scmi_msg_hdr - Message(Tx/Rx) header
92 * struct scmi_xfer - Structure representing a message flow
97 * @rx: Receive message, the buffer should be pre-allocated to store
98 * message. If request-ACK protocol is used, we can reuse the same
111 * though the timed-out transaction will anyway cause the command
112 * request to be reported as failed by time-out, the underlying xfer
118 * - SCMI_XFER_SENT_OK -> SCMI_XFER_RESP_OK [ -> SCMI_XFER_DRESP_OK ]
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| /linux/Documentation/arch/s390/ |
| H A D | pci.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 - Pierre Morel
17 -----------------------
28 ---------------
36 - /sys/kernel/debug/s390dbf/pci_msg/sprintf
56 - /sys/bus/pci/slots/XXXXXXXX/power
64 - function_id
67 - function_handle
68 Low-level identifier used for a configured PCI function.
71 - pchid
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| /linux/Documentation/networking/ |
| H A D | multi-pf-netdev.rst | 1 .. SPDX-License-Identifier: GPL-2.0
5 Multi-PF Netdev
11 - `Background`_
12 - `Overview`_
13 - `mlx5 implementation`_
14 - `Channels distribution`_
15 - `Observability`_
16 - `Steering`_
17 - `Mutually exclusive features`_
22 The Multi-PF NIC technology enables several CPUs within a multi-socket server to connect directly to
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| H A D | scaling.rst | 1 .. SPDX-License-Identifier: GPL-2.0
13 multi-processor systems.
17 - RSS: Receive Side Scaling
18 - RPS: Receive Packet Steering
19 - RFS: Receive Flow Steering
20 - Accelerated Receive Flow Steering
21 - XPS: Transmit Packet Steering
28 (multi-queue). On reception, a NIC can send different packets to different
33 generally known as “Receive-side Scaling” (RSS). The goal of RSS and
35 Multi-queue distribution can also be used for traffic prioritization, but
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| H A D | representors.rst | 1 .. SPDX-License-Identifier: GPL-2.0
9 used to control internal switching on SmartNICs. For the closely-related port
10 representors on physical (multi-port) switches, see
14 ----------
16 Since the mid-2010s, network cards have started offering more complex
17 virtualisation capabilities than the legacy SR-IOV approach (with its simple
18 MAC/VLAN-based switching model) can support. This led to a desire to offload
19 software-defined networks (such as OpenVSwitch) to these NICs to specify the
24 virtual switches and IOV devices. Just as each physical port of a Linux-
42 -----------
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| /linux/include/linux/surface_aggregator/ |
| H A D | controller.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
9 * Copyright (C) 2019-2021 Maximilian Luz <luzmaximilian@gmail.com>
22 /* -- Main data types and definitions --------------------------------------- */
25 * enum ssam_event_flags - Flags for enabling/disabling SAM events
33 * struct ssam_event - SAM event sent from the EC to the host.
37 * @instance_id: Instance ID of the event source.
51 * enum ssam_request_flags - Flags for SAM requests.
70 * struct ssam_request - SAM request description.
74 * @instance_id: Instance ID of the request's target.
94 * struct ssam_response - Response buffer for SAM request.
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| /linux/Documentation/block/ |
| H A D | blk-mq.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 Multi-Queue Block IO Queueing Mechanism (blk-mq)
7 The Multi-Queue Block IO Queueing Mechanism is an API to enable fast storage
16 ----------
26 However, with the development of Solid State Drives and Non-Volatile Memories
30 in those devices' design, the multi-queue mechanism was introduced.
36 to different CPUs) wanted to perform block IO. Instead of this, the blk-mq API
42 ---------
45 for instance), blk-mq takes action: it will store and manage IO requests to
49 blk-mq has two group of queues: software staging queues and hardware dispatch
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| /linux/drivers/net/wireless/broadcom/brcm80211/brcmfmac/ |
| H A D | feature.h | 1 // SPDX-License-Identifier: ISC
12 * MCHAN: multi-channel for concurrent P2P.
14 * WOWL: Wake-On-WLAN.
15 * P2P: peer-to-peer
95 * brcmf_feat_attach() - determine features and quirks.
97 * @drvr: driver instance.
102 * brcmf_feat_debugfs_create() - create debugfs entries.
104 * @drvr: driver instance.
109 * brcmf_feat_is_enabled() - query feature.
111 * @ifp: interface instance.
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| /linux/Documentation/devicetree/bindings/soc/ti/ |
| H A D | keystone-navigator-dma.txt | 8 CRYPTO Engines etc has its own instance of dma hardware. QMSS has also
13 ------------------
15 ------------------
17 |-> DMA instance #0
19 |-> DMA instance #1
23 |-> DMA instance #n
27 - compatible: Should be "ti,keystone-navigator-dma"
28 - clocks: phandle to dma instances clocks. The clock handles can be as
31 - ti,navigator-cloud-address: Should contain base address for the multi-core
40 DMA instance properties:
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| H A D | keystone-navigator-qmss.txt | 5 multi-core Navigator. QMSS consist of queue managers, packed-data structure
9 management of the packet queues. Packets are queued/de-queued by writing or
20 - compatible : Must be "ti,keystone-navigator-qmss".
21 : Must be "ti,66ak2g-navss-qm" for QMSS on K2G SoC.
22 - clocks : phandle to the reference clock for this device.
23 - queue-range : <start number> total range of queue numbers for the device.
24 - linkram0 : <address size> for internal link ram, where size is the total
26 - linkram1 : <address size> for external link ram, where size is the total
29 - qmgrs : child node describing the individual queue managers on the
32 -- managed-queues : the actual queues managed by each queue manager
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| /linux/include/linux/platform_data/ |
| H A D | asoc-ti-mcbsp.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Defines for Multi-Channel Buffered Serial Port
26 /* McBSP platform and instance specific features */
|
| /linux/Documentation/devicetree/bindings/thermal/ |
| H A D | samsung,exynos-thermal.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/thermal/samsung,exynos-thermal.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 For multi-instance tmu each instance should have an alias correctly numbered
19 - samsung,exynos3250-tmu
20 - samsung,exynos4412-tmu
21 - samsung,exynos4210-tmu
22 - samsung,exynos5250-tmu
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| /linux/drivers/hwtracing/coresight/ |
| H A D | coresight-config.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
13 /* CoreSight Configuration Management - component and system wide configuration */
28 * system configuration - used by config data and devices.
33 /* flags defining device instance matching - used in config match desc data. */
34 #define CS_CFG_MATCH_INST_ANY 0x80000000 /* any instance of a class */
40 * See PMU_FORMAT_ATTR(preset, "config:0-3") in coresight-etm-perf.c
69 * @mask32: 32 bit mask when using 32 bit value to access device register - if mask type.
89 * Device feature descriptor - combination of registers and parameters to
117 * Configuration descriptor - describes selectable system configuration.
123 * all the features in use - this value is @nr_total_params.
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| /linux/include/xen/interface/io/ |
| H A D | kbdif.h | 1 /* SPDX-License-Identifier: MIT */
3 * kbdif.h -- Xen virtual keyboard/mouse
17 * The two halves of a para-virtual driver utilize nodes within
31 *---------------------------- Features supported ----------------------------
37 * feature-disable-keyboard
43 * feature-disable-pointer
49 * feature-abs-pointer
55 * feature-multi-touch
58 * Backends, which support reporting of multi-touch events
61 * feature-raw-pointer
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| /linux/Documentation/admin-guide/media/ |
| H A D | fimc.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 Copyright |copy| 2012 - 2013 Samsung Electronics Co., Ltd.
17 drivers/media/platform/samsung/exynos4-is directory.
20 --------------
22 S5PC100 (mem-to-mem only), S5PV210, Exynos4210
25 ------------------
27 - camera parallel interface capture (ITU-R.BT601/565);
28 - camera serial interface capture (MIPI-CSI2);
29 - memory-to-memory processing (color space conversion, scaling, mirror
31 - dynamic pipeline re-configuration at runtime (re-attachment of any FIMC
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| /linux/include/media/ |
| H A D | v4l2-mem2mem.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Memory-to-memory device framework for Video for Linux 2.
16 #include <media/videobuf2-v4l2.h>
19 * struct v4l2_m2m_ops - mem-to-mem device driver callbacks
52 * struct v4l2_m2m_queue_ctx - represents a queue for buffers ready to be
56 * @rdy_queue: List of V4L2 mem-to-mem queues
62 * instance receives access to the device.
75 * struct v4l2_m2m_ctx - Memory to memory context structure
97 * @job_flags: Job queue flags, used internally by v4l2-mem2mem.c:
100 * @priv: Instance private data
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| /linux/drivers/edac/ |
| H A D | edac_device.h | 10 * http://www.anime.net/~goemon/linux-ecc/
15 * Refactored for multi-source files:
18 * Please look at Documentation/driver-api/edac.rst for more info about
59 * /L1-cache/ce_count
61 * /L2-cache/ce_count
64 * /L1-cache/ce_count
66 * /L2-cache/ce_count
97 * each block in each instance of the containing control structure can
108 struct edac_device_instance *instance; /* Up Pointer */ member
122 /* device instance control structure */
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| /linux/Documentation/crypto/ |
| H A D | architecture.rst | 5 ----------------------
10 - Symmetric ciphers
12 - AEAD ciphers
14 - Message digest, including keyed message digest
16 - Random number generation
18 - User space interface
21 ---------------------
30 a caller or invoked together with a template to form multi-block ciphers
38 - aes
40 - ecb(aes)
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| /linux/arch/arm/mach-pxa/ |
| H A D | mfp-pxa3xx.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-pxa/mfp.c
5 * PXA3xx Multi-Function Pin Support
9 * 2007-08-21: eric miao <eric.miao@marvell.com>
19 #include "mfp-pxa3xx.h"
20 #include "pxa3xx-regs.h"
26 * entering - for instance, we might not want to place MFP pins in
27 * a pull-down mode if they're an active low chip select, and we're
42 * NOTE: the last 3 bits DxS are write-1-to-clear so carefully in pxa3xx_mfp_resume()
|
| /linux/Documentation/devicetree/bindings/phy/ |
| H A D | ti-phy.txt | 6 - compatible: Should be one of
7 "ti,control-phy-otghs" - if it has otghs_control mailbox register as on OMAP4.
8 "ti,control-phy-usb2" - if it has Power down bit in control_dev_conf register
10 "ti,control-phy-pipe3" - if it has DPLL and individual Rx & Tx power control
12 "ti,control-phy-pcie" - for pcie to support external clock for pcie and to
15 "ti,control-phy-usb2-dra7" - if it has power down register like USB2 PHY on
17 "ti,control-phy-usb2-am437" - if it has power down register like USB2 PHY on
19 - reg : register ranges as listed in the reg-names property
20 - reg-names: "otghs_control" for control-phy-otghs
21 "power", "pcie_pcs" and "control_sma" for control-phy-pcie
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| /linux/drivers/platform/x86/hp/hp-bioscfg/ |
| H A D | biosattr-interface.c | 1 // SPDX-License-Identifier: GPL-2.0
4 * for use with hp-bioscfg driver.
6 * Copyright (c) 2022 Hewlett-Packard Inc.
14 * were introduced that exceeds 128-byte data size. Changes to handle
34 * -ENODEV if device is not found
35 * -EINVAL if the instance of 'Setup Admin' password is not found.
36 * -ENOMEM unable to allocate memory
44 int buffer_size, instance, ret; in hp_set_attribute() local
49 instance = hp_get_password_instance_for_type(SETUP_PASSWD); in hp_set_attribute()
50 if (instance < 0) { in hp_set_attribute()
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| /linux/Documentation/devicetree/bindings/firmware/ |
| H A D | fsl,scu.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dong Aisheng <aisheng.dong@nxp.com>
13 The System Controller Firmware (SCFW) is a low-level system function
14 which runs on a dedicated Cortex-M core to provide power, clock, and
17 The AP communicates with the SC using a multi-ported MU module found
26 const: fsl,imx-scu
28 clock-controller:
31 $ref: /schemas/clock/fsl,scu-clk.yaml
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| /linux/Documentation/devicetree/bindings/net/ |
| H A D | snps,dwmac.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexandre Torgue <alexandre.torgue@foss.st.com>
11 - Giuseppe Cavallaro <peppe.cavallaro@st.com>
12 - Jose Abreu <joabreu@synopsys.com>
23 - snps,dwmac
24 - snps,dwmac-3.40a
25 - snps,dwmac-3.50a
26 - snps,dwmac-3.610
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