| /kernel/linux/linux-6.6/drivers/platform/surface/ |
| D | surface_hotplug.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Surface Book (2 and later) hot-plug driver.
5 * Surface Book devices (can) have a hot-pluggable discrete GPU (dGPU). This
6 * driver is responsible for out-of-band hot-plug event signaling on these
7 * devices. It is specifically required when the hot-plug device is in D3cold
8 * and can thus not generate PCIe hot-plug events itself.
11 * device-check notifications to be picked up by the PCIe hot-plug driver.
13 * Copyright (C) 2019-2022 Maximilian Luz <luzmaximilian@gmail.com>
32 { "base_presence-int-gpio", &shps_base_presence_int, 1 },
33 { "base_presence-gpio", &shps_base_presence, 1 },
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # Microsoft Surface Platform-Specific Drivers
7 bool "Microsoft Surface Platform-Specific Device Drivers"
11 Say Y here to get to see options for platform-specific device drivers
29 be called surface3-wmi.
47 on 5th- and 6th-generation Microsoft Surface devices (including
55 thermal sensor access, and real-time clock information, depending on
59 tristate "Surface System Aggregator Module User-Space Interface"
62 Provides a misc-device interface to the Surface System Aggregator
67 the SSAM controller. Said client device manages a misc-device
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| /kernel/linux/linux-5.10/drivers/staging/sm750fb/ |
| D | ddk750_sii164.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
7 /* Hot Plug detection mode structure */
9 SII164_HOTPLUG_DISABLE = 0, /* Disable Hot Plug output bit
15 SII164_HOTPLUG_USE_HTPLG /* Use Hot Plug detect bit. */
110 /* Hot Plug detect Input (HTPLG) */
139 /* De-skewing Enable bit (DKEN) */
143 /* De-skewing Setting (DK[3:1])*/
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| D | ddk750_sii164.c | 1 // SPDX-License-Identifier: GPL-2.0
79 * edge_select - Edge Select:
84 * bus_select - Input Bus Select:
85 * 0 = Input data bus is 12-bits wide
86 * 1 = Input data bus is 24-bits wide
87 * dual_edge_clk_select - Dual Edge Clock Select
90 * hsync_enable - Horizontal Sync Enable:
93 * vsync_enable - Vertical Sync Enable:
96 * deskew_enable - De-skewing Enable:
97 * 0 = De-skew disabled
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| /kernel/linux/linux-6.6/drivers/staging/sm750fb/ |
| D | ddk750_sii164.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
7 /* Hot Plug detection mode structure */
9 SII164_HOTPLUG_DISABLE = 0, /* Disable Hot Plug output bit
15 SII164_HOTPLUG_USE_HTPLG /* Use Hot Plug detect bit. */
110 /* Hot Plug detect Input (HTPLG) */
139 /* De-skewing Enable bit (DKEN) */
143 /* De-skewing Setting (DK[3:1])*/
|
| D | ddk750_sii164.c | 1 // SPDX-License-Identifier: GPL-2.0
79 * edge_select - Edge Select:
84 * bus_select - Input Bus Select:
85 * 0 = Input data bus is 12-bits wide
86 * 1 = Input data bus is 24-bits wide
87 * dual_edge_clk_select - Dual Edge Clock Select
90 * hsync_enable - Horizontal Sync Enable:
93 * vsync_enable - Vertical Sync Enable:
96 * deskew_enable - De-skewing Enable:
97 * 0 = De-skew disabled
[all …]
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| /kernel/linux/linux-6.6/Documentation/admin-guide/mm/ |
| D | memory-hotplug.rst | 2 Memory Hot(Un)Plug
5 This document describes generic Linux support for memory hot(un)plug with
13 Memory hot(un)plug allows for increasing and decreasing the size of physical
18 Memory hot(un)plug is used for various purposes:
20 - The physical memory available to a machine can be adjusted at runtime, up- or
25 - Replacing hardware, such as DIMMs or whole NUMA nodes, without downtime. One
28 - Reducing energy consumption either by physically unplugging memory modules or
31 Further, the basic memory hot(un)plug infrastructure in Linux is nowadays also
32 used to expose persistent memory, other performance-differentiated memory and
35 Linux only supports memory hot(un)plug on selected 64 bit architectures, such as
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| /kernel/linux/build/test/moduletest/runtest/bin/cpusetdecouple_cpuhotplug_t/testcases/bin/ |
| D | cpusetdecouple_cpuhotplug01.sh | 5 # SPDX-License-Identifier: GPL-2.0
16 # Description: Check whether CPU hot-plug and CPUSET decoupling are implemented
18 # Authors: Ma Feng - mafeng.ma@huawei.com
20 # History: Mar 15 2022 - init scripts
27 if [ ! -d "/dev/cpuset" ]; then
31 if mountpoint -q /dev/cpuset; then
32 tst_res TINFO "mountpoint -q /dev/cpuset"
34 mount -t cpuset none /dev/cupset
35 tst_res TINFO "mount -t cpuset none /dev/cupset"
45 echo "0-3" > /dev/cpuset/hotplug01/cpuset.cpus
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| /kernel/linux/linux-5.10/drivers/gpu/drm/ |
| D | drm_bridge_connector.c | 1 // SPDX-License-Identifier: GPL-2.0+
40 * operation flags (&drm_bridge->ops) and bridge output type
41 * (&drm_bridge->type), as well as the DRM_BRIDGE_ATTACH_NO_CONNECTOR attach
46 * struct drm_bridge_connector - A connector backed by a chain of bridges
70 * hot-plug detection notification, if any (see &DRM_BRIDGE_OP_HPD).
92 /* -----------------------------------------------------------------------------
93 * Bridge Connector Hot-Plug Handling
104 drm_for_each_bridge_in_chain(bridge_connector->encoder, bridge) { in drm_bridge_connector_hpd_notify()
105 if (bridge->funcs->hpd_notify) in drm_bridge_connector_hpd_notify()
106 bridge->funcs->hpd_notify(bridge, status); in drm_bridge_connector_hpd_notify()
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| D | drm_bridge.c | 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
44 * [ CRTC ---> ] Encoder ---> Bridge A ---> Bridge B
75 * drm_atomic_helper_commit_modeset_disables() (either directly in hand-rolled
76 * commit check and commit tail handlers, or through the higher-level
85 * connector-related operations exposed by the bridge (see the overview
98 * drm_bridge_add - add the given bridge to the global bridge list
104 mutex_init(&bridge->hpd_mutex); in drm_bridge_add()
107 list_add_tail(&bridge->list, &bridge_list); in drm_bridge_add()
113 * drm_bridge_remove - remove the given bridge from the global bridge list
120 list_del_init(&bridge->list); in drm_bridge_remove()
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| /kernel/linux/linux-5.10/include/drm/ |
| D | drm_bridge.h | 44 * enum drm_bridge_attach_flags - Flags for &drm_bridge_funcs.attach
55 * struct drm_bridge_funcs - drm_bridge control functions
106 * to look at anything else but the passed-in mode, and validate it
107 * against configuration-invariant hardward constraints. Any further
369 * non-NULL).
528 * DRM_BRIDGE_OP_DETECT flag in their &drm_bridge->ops.
542 * The @get_modes callback is mostly intended to support non-probeable
545 * &drm_bridge_funcs->get_edid callback instead.
548 * DRM_BRIDGE_OP_MODES flag in their &drm_bridge->ops.
576 * DRM_BRIDGE_OP_EDID flag in their &drm_bridge->ops.
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| /kernel/linux/linux-6.6/drivers/gpu/drm/ |
| D | drm_bridge.c | 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
25 #include <linux/media-bus-format.h>
50 * [ CRTC ---> ] Encoder ---> Bridge A ---> Bridge B
88 * drm_atomic_helper_commit_modeset_disables() (either directly in hand-rolled
89 * commit check and commit tail handlers, or through the higher-level
98 * connector-related operations exposed by the bridge (see the overview
110 * - The upstream driver doesn't use the component framework and isn't a
111 * MIPI-DSI host. In this case, the bridge driver will probe at some
115 * - The upstream driver doesn't use the component framework, but is a
116 * MIPI-DSI host. The bridge device uses the MIPI-DCS commands to be
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| /kernel/linux/linux-6.6/Documentation/driver-api/ |
| D | vfio-mediated-device.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
17 The number of use cases for virtualizing DMA devices that do not have built-in
25 an IOMMU/device-agnostic framework for exposing direct device access to user
26 space in a secure, IOMMU-protected environment. This framework is used for
44 The following high-level block diagram shows the main components and interfaces
48 +---------------+
50 | +-----------+ | mdev_register_driver() +--------------+
51 | | | +<------------------------+ |
53 | | bus | +------------------------>+ vfio_mdev.ko |<-> VFIO user
55 | | | | +--------------+
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| /kernel/linux/linux-6.6/include/drm/ |
| D | drm_bridge.h | 45 * enum drm_bridge_attach_flags - Flags for &drm_bridge_funcs.attach
56 * struct drm_bridge_funcs - drm_bridge control functions
107 * to look at anything else but the passed-in mode, and validate it
108 * against configuration-invariant hardward constraints. Any further
366 * non-NULL).
525 * DRM_BRIDGE_OP_DETECT flag in their &drm_bridge->ops.
539 * The @get_modes callback is mostly intended to support non-probeable
542 * &drm_bridge_funcs->get_edid callback instead.
545 * DRM_BRIDGE_OP_MODES flag in their &drm_bridge->ops.
573 * DRM_BRIDGE_OP_EDID flag in their &drm_bridge->ops.
[all …]
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| /kernel/linux/linux-5.10/drivers/pci/hotplug/ |
| D | shpchp_sysfs.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Compaq Hot Plug Controller Driver
6 * Copyright (c) 2001,2003 Greg Kroah-Hartman (greg@kroah.com)
22 /* A few routines that create sysfs entries for the hot plug controller */
33 bus = pdev->subordinate; in show_ctrl()
37 if (res && (res->flags & IORESOURCE_MEM) && in show_ctrl()
38 !(res->flags & IORESOURCE_PREFETCH)) { in show_ctrl()
40 (unsigned long long)res->start, in show_ctrl()
46 if (res && (res->flags & IORESOURCE_MEM) && in show_ctrl()
47 (res->flags & IORESOURCE_PREFETCH)) { in show_ctrl()
[all …]
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| /kernel/linux/linux-6.6/drivers/pci/hotplug/ |
| D | shpchp_sysfs.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Compaq Hot Plug Controller Driver
6 * Copyright (c) 2001,2003 Greg Kroah-Hartman (greg@kroah.com)
22 /* A few routines that create sysfs entries for the hot plug controller */
33 bus = pdev->subordinate; in show_ctrl()
37 if (res && (res->flags & IORESOURCE_MEM) && in show_ctrl()
38 !(res->flags & IORESOURCE_PREFETCH)) { in show_ctrl()
41 (unsigned long long)res->start, in show_ctrl()
47 if (res && (res->flags & IORESOURCE_MEM) && in show_ctrl()
48 (res->flags & IORESOURCE_PREFETCH)) { in show_ctrl()
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| /kernel/linux/linux-6.6/drivers/gpu/drm/amd/include/ivsrcid/dcn/ |
| D | irqsrcs_dcn_1_0.h | 156 #define DCN_1_0__SRCID__DC_HPD1_INT 9 // Hot Plug Detection 1 DC_HPD1_INTERRUPT DIS…
159 #define DCN_1_0__SRCID__DC_HPD2_INT 9 // Hot Plug Detection 2 DC_HPD2_INTERRUPT DIS…
162 #define DCN_1_0__SRCID__DC_HPD3_INT 9 // Hot Plug Detection 3 DC_HPD3_INTERRUPT DIS…
165 #define DCN_1_0__SRCID__DC_HPD4_INT 9 // Hot Plug Detection 4 DC_HPD4_INTERRUPT DIS…
168 #define DCN_1_0__SRCID__DC_HPD5_INT 9 // Hot Plug Detection 5 DC_HPD5_INTERRUPT DIS…
171 #define DCN_1_0__SRCID__DC_HPD6_INT 9 // Hot Plug Detection 6 DC_HPD6_INTERRUPT DIS…
174 #define DCN_1_0__SRCID__DC_HPD1_RX_INT 9 // Hot Plug Detection RX interrupt 1 DC_HPD1_R…
177 #define DCN_1_0__SRCID__DC_HPD2_RX_INT 9 // Hot Plug Detection RX interrupt 2 DC_HPD2_R…
180 #define DCN_1_0__SRCID__DC_HPD3_RX_INT 9 // Hot Plug Detection RX interrupt 3 DC_HPD3_R…
183 #define DCN_1_0__SRCID__DC_HPD4_RX_INT 9 // Hot Plug Detection RX interrupt 4 DC_HPD4_R…
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| /kernel/linux/linux-5.10/drivers/gpu/drm/amd/include/ivsrcid/dcn/ |
| D | irqsrcs_dcn_1_0.h | 156 #define DCN_1_0__SRCID__DC_HPD1_INT 9 // Hot Plug Detection 1 DC_HPD1_INTERRUPT DIS…
159 #define DCN_1_0__SRCID__DC_HPD2_INT 9 // Hot Plug Detection 2 DC_HPD2_INTERRUPT DIS…
162 #define DCN_1_0__SRCID__DC_HPD3_INT 9 // Hot Plug Detection 3 DC_HPD3_INTERRUPT DIS…
165 #define DCN_1_0__SRCID__DC_HPD4_INT 9 // Hot Plug Detection 4 DC_HPD4_INTERRUPT DIS…
168 #define DCN_1_0__SRCID__DC_HPD5_INT 9 // Hot Plug Detection 5 DC_HPD5_INTERRUPT DIS…
171 #define DCN_1_0__SRCID__DC_HPD6_INT 9 // Hot Plug Detection 6 DC_HPD6_INTERRUPT DIS…
174 #define DCN_1_0__SRCID__DC_HPD1_RX_INT 9 // Hot Plug Detection RX interrupt 1 DC_HPD1_R…
177 #define DCN_1_0__SRCID__DC_HPD2_RX_INT 9 // Hot Plug Detection RX interrupt 2 DC_HPD2_R…
180 #define DCN_1_0__SRCID__DC_HPD3_RX_INT 9 // Hot Plug Detection RX interrupt 3 DC_HPD3_R…
183 #define DCN_1_0__SRCID__DC_HPD4_RX_INT 9 // Hot Plug Detection RX interrupt 4 DC_HPD4_R…
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/media/i2c/ |
| D | adv7604.txt | 12 - compatible: Must contain one of the following
13 - "adi,adv7611" for the ADV7611
14 - "adi,adv7612" for the ADV7612
16 - reg: I2C slave addresses
17 The ADV76xx has up to thirteen 256-byte maps that can be accessed via the
22 - hpd-gpios: References to the GPIOs that control the HDMI hot-plug
24 level that enables hot-plug detection.
28 Documentation/devicetree/bindings/media/video-interfaces.txt. The port nodes
32 ------------------------------------------------------------
40 - reset-gpios: Reference to the GPIO connected to the device's reset pin.
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| /kernel/linux/linux-6.6/drivers/iommu/intel/ |
| D | cap_audit.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * cap_audit.c - audit iommu capabilities for boot time and hot plug
119 /* Abort hot plug if the hot plug iommu feature is smaller than global */ in cap_audit_hotplug()
135 return -EFAULT; in cap_audit_hotplug()
153 intel_iommu_ecap_sanity = i->ecap; in cap_audit_static()
154 intel_iommu_cap_sanity = i->cap; in cap_audit_static()
171 rc = -EOPNOTSUPP; in cap_audit_static()
191 return -EFAULT; in intel_cap_audit()
|
| /kernel/linux/linux-5.10/Documentation/dev-tools/ |
| D | kselftest.rst | 15 On some systems, hot-plug tests could hang forever waiting for cpu and
16 memory to be ready to be offlined. A special hot-plug target is created
17 to run the full range of hot-plug tests. In default mode, hot-plug tests run
18 in safe mode with a limited scope. In limited mode, cpu-hotplug test is
31 $ make -C tools/testing/selftests
35 $ make -C tools/testing/selftests run_tests
78 $ make -C tools/testing/selftests TARGETS=ptrace run_tests
97 $ make -C tools/testing/selftests SKIP_TARGETS=ptrace run_tests
108 See the top-level tools/testing/selftests/Makefile for the list of all
116 $ make -C tools/testing/selftests hotplug
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| /kernel/linux/linux-5.10/Documentation/PCI/ |
| D | acpi-info.rst | 1 .. SPDX-License-Identifier: GPL-2.0
39 If the OS is expected to manage a non-discoverable device described via
50 These are all device-specific, non-architected things, so the only way a
52 the device-specific details. The host bridge registers also include ECAM
66 bridge registers (including ECAM space) in PNP0C02 catch-all devices [6].
67 With the exception of ECAM, the bridge register space is device-specific
78 PNP0C02 "motherboard" devices are basically a catch-all. There's no
89 the address space is device-specific. An ACPI OS learns the base address
92 The MCFG table must describe the ECAM space of non-hot pluggable host
95 hot-pluggable host bridge [9]. Note that for both MCFG and _CBA, the base
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| /kernel/linux/linux-6.6/Documentation/PCI/ |
| D | acpi-info.rst | 1 .. SPDX-License-Identifier: GPL-2.0
39 If the OS is expected to manage a non-discoverable device described via
50 These are all device-specific, non-architected things, so the only way a
52 the device-specific details. The host bridge registers also include ECAM
66 bridge registers (including ECAM space) in PNP0C02 catch-all devices [6].
67 With the exception of ECAM, the bridge register space is device-specific
78 PNP0C02 "motherboard" devices are basically a catch-all. There's no
89 the address space is device-specific. An ACPI OS learns the base address
92 The MCFG table must describe the ECAM space of non-hot pluggable host
95 hot-pluggable host bridge [9]. Note that for both MCFG and _CBA, the base
[all …]
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| /kernel/linux/linux-6.6/arch/x86/kernel/ |
| D | itmt.c | 1 // SPDX-License-Identifier: GPL-2.0-only
51 return -EINVAL; in sched_itmt_update_handler()
83 * sched_set_itmt_support() - Indicate platform supports ITMT
93 * It must not be called with cpu hot plug lock
111 return -ENOMEM; in sched_set_itmt_support()
127 * sched_clear_itmt_support() - Revoke platform's support of ITMT
132 * It must not be called with cpu hot plug lock
167 * sched_set_itmt_core_prio() - Set CPU priority based on ITMT
|
| /kernel/linux/linux-5.10/arch/ia64/include/asm/ |
| D | nodedata.h | 9 * Copyright (c) 2002 Kimio Suganuma <k-suganuma@da.jp.nec.com>
36 #define local_node_data (local_cpu_data->node_data)
41 * NODE_DATA - should be used in all code not related to system
47 #define NODE_DATA(nid) (local_node_data->pg_data_ptrs[nid])
50 * LOCAL_DATA_ADDR - This is to calculate the address of other node's
51 * "local_node_data" at hot-plug phase. The local_node_data
53 * just executing cpu. However, when new node is hot-added,
|