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/linux/Documentation/ABI/testing/
H A Dsysfs-class-mic8 PCIe form factor add-in Coprocessor card based on the Intel Many
9 Integrated Core (MIC) architecture that runs a Linux OS.
26 MIC device. For example - "x100"
34 MIC device. For example - "A0" or "B0"
42 MIC device in the context of the card OS. Possible values that
47 "ready" The MIC device is ready to boot the card OS.
52 "booting" The MIC device has initiated booting a card OS.
54 "shutting_down" The card OS is shutting down.
55 "resetting" A reset has been initiated for the MIC device
60 operations depending upon the current state of the card OS.
[all …]
H A Dsysfs-driver-habanalabs64 on-board EEPROM
76 Description: Version of the firmware OS running on the device's CPU
82 Description: Interface to trigger a hard-reset operation for the device.
83 Hard-reset will reset ALL internal components of the device
90 Description: Displays how many times the device have undergone a hard-reset
177 value when a user-space process opens the device's file (unless
201 Description: Interface to trigger a soft-reset operation for the device.
202 Soft-reset will reset only the compute and DMA engines of the
209 Description: Displays how many times the device have undergone a soft-reset
218 * "operational" - Device is available for work.
[all …]
/linux/Documentation/devicetree/bindings/arm/
H A Dpsci.yaml1 # 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 Function IDs are not required and should be ignored by an OS with
[all …]
/linux/arch/m68k/include/asm/
H A Damigaints.h2 ** amigaints.h -- Amiga Linux interrupt handling structs and prototypes
87 #define IF_SOFT 0x0004 /* software initiated interrupt */
104 ** these functions, they behave exactly like the amiga os routines
113 #endif /* asm-m68k/amigaints.h */
/linux/drivers/accel/ivpu/
H A Dvpu_boot_api.h1 /* SPDX-License-Identifier: MIT */
3 * Copyright (c) 2020-2024, Intel Corporation.
11 * fw_bin_header->api_version[VPU_BOOT_API_VER_ID] = (VPU_BOOT_API_VER_MAJOR << 16) |
68 * Size of primary preemption buffer, assuming a 2-job submission queue.
74 * Size of secondary preemption buffer, assuming a 2-job submission queue.
86 /* Space reserved for future preemption-related fields. */
109 /** VPU scheduling mode. By default, OS scheduling is used. */
221 /* Clock frequencies: 0x20 - 0xFF */
226 /* Memory regions: 0x100 - 0x1FF */
246 /* IRQ re-direct numbers: 0x200 - 0x2FF */
[all …]
H A Dvpu_jsm_api.h1 /* SPDX-License-Identifier: MIT */
3 * Copyright (c) 2020-2024, Intel Corporation.
74 /* Job status returned when the job was preempted mid-inference */
79 * Host <-> VPU IPC channels.
80 * ASYNC commands use a high priority channel, other messages use low-priority ones.
132 * does not need per-job fence signalling. Other inline commands objects can be
160 * same process with a relative in-process priority. Valid values for relative
161 * priority are given below - max and min.
164 #define VPU_HWS_COMMAND_QUEUE_MIN_IN_PROCESS_PRIORITY -7
207 * present in the queue prior to them, and in-order relative to each other in the queue.
[all …]
/linux/drivers/usb/storage/
H A Dscsiglue.c1 // SPDX-License-Identifier: GPL-2.0+
7 * (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
10 * (c) 2000 David L. Brown, Jr. (usb-storage@davidb.org)
20 * similar to commands in the SCSI-II and ATAPI specifications.
23 * exhibits class-specific exemptions from the USB specification.
32 #include <linux/dma-mapping.h>
64 return us->scsi_name; in host_info()
69 struct us_data *us = host_to_us(sdev->host); in sdev_init()
76 sdev->inquiry_len = 36; in sdev_init()
79 if (us->protocol == USB_PR_BULK && us->max_lun > 0) in sdev_init()
[all …]
/linux/drivers/usb/typec/
H A Dbus.c1 // SPDX-License-Identifier: GPL-2.0
3 * Bus for USB Type-C Alternate Modes
21 if (!alt->retimer) in typec_altmode_set_retimer()
24 state.alt = &alt->adev; in typec_altmode_set_retimer()
28 return typec_retimer_set(alt->retimer, &state); in typec_altmode_set_retimer()
36 if (!alt->mux) in typec_altmode_set_mux()
39 state.alt = &alt->adev; in typec_altmode_set_mux()
43 return typec_mux_set(alt->mux, &state); in typec_altmode_set_mux()
46 /* Wrapper to set various Type-C port switches together. */
62 bool is_port = is_typec_port(adev->dev.parent); in typec_altmode_set_state()
[all …]
/linux/tools/perf/pmu-events/arch/x86/sapphirerapids/
H A Dspr-metrics.json4 "MetricExpr": "cstate_core@c1\\-residency@ / msr@tsc@",
11 "MetricExpr": "cstate_pkg@c2\\-residency@ / msr@tsc@",
18 "MetricExpr": "cstate_core@c6\\-residency@ / msr@tsc@",
25 "MetricExpr": "cstate_pkg@c6\\-residency@ / msr@tsc@",
88 …ved by the integrated I/O traffic controller (IIO) of IO reads that are initiated by end device co…
94 …ed by the integrated I/O traffic controller (IIO) of IO writes that are initiated by end device co…
100 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
106 …"BriefDescription": "Bandwidth of inbound IO reads that are initiated by end device controllers th…
112 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
118 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
[all …]
/linux/tools/perf/pmu-events/arch/x86/graniterapids/
H A Dgnr-metrics.json4 "MetricExpr": "cstate_core@c1\\-residency@ / msr@tsc@",
11 "MetricExpr": "cstate_pkg@c2\\-residency@ / msr@tsc@",
18 "MetricExpr": "cstate_core@c6\\-residency@ / msr@tsc@",
25 "MetricExpr": "cstate_pkg@c6\\-residency@ / msr@tsc@",
81 …ved by the integrated I/O traffic controller (IIO) of IO reads that are initiated by end device co…
87 …ed by the integrated I/O traffic controller (IIO) of IO writes that are initiated by end device co…
93 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
99 …"BriefDescription": "Bandwidth of inbound IO reads that are initiated by end device controllers th…
105 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
111 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
[all …]
/linux/tools/perf/pmu-events/arch/x86/icelakex/
H A Dicx-metrics.json4 "MetricExpr": "cstate_core@c1\\-residency@ / msr@tsc@",
11 "MetricExpr": "cstate_pkg@c2\\-residency@ / msr@tsc@",
18 "MetricExpr": "cstate_core@c6\\-residency@ / msr@tsc@",
25 "MetricExpr": "cstate_pkg@c6\\-residency@ / msr@tsc@",
76 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
82 …"BriefDescription": "Bandwidth of inbound IO reads that are initiated by end device controllers th…
88 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
94 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
100 …"BriefDescription": "Bandwidth of IO writes that are initiated by end device controllers that are …
106 …"BriefDescription": "Bandwidth of inbound IO writes that are initiated by end device controllers t…
[all …]
/linux/Documentation/scsi/
H A DChangeLog.megaraid_sas1 Release Date : Thu. Jun 19, 2014 17:00:00 PST 2014 -
2 (emaild-id:megaraidlinux@lsi.com)
7 Current Version : 06.803.02.00-rc1
8 Old Version : 06.803.01.00-rc1
14 -------------------------------------------------------------------------------
15 Release Date : Mon. Mar 10, 2014 17:00:00 PST 2014 -
16 (emaild-id:megaraidlinux@lsi.com)
20 Current Version : 06.803.01.00-rc1
21 Old Version : 06.700.06.00-rc1
25 4. Add Dell PowerEdge VRTX SR-IOV VF device support.
[all …]
/linux/Documentation/PCI/
H A Dpcieaer-howto.rst1 .. SPDX-License-Identifier: GPL-2.0
8 :Authors: - T. Long Nguyen <tom.l.nguyen@intel.com>
9 - Yanmin Zhang <yanmin.zhang@intel.com>
17 ----------------
26 ----------------------------
29 or on behalf of transactions initiated on the link. PCIe
41 - Gathers the comprehensive error information if errors occurred.
42 - Reports error to the users.
43 - Performs error recovery actions.
53 ------------------------------------------------------
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/linux/tools/perf/pmu-events/arch/x86/emeraldrapids/
H A Demr-metrics.json4 "MetricExpr": "cstate_core@c1\\-residency@ / msr@tsc@",
11 "MetricExpr": "cstate_pkg@c2\\-residency@ / msr@tsc@",
18 "MetricExpr": "cstate_core@c6\\-residency@ / msr@tsc@",
25 "MetricExpr": "cstate_pkg@c6\\-residency@ / msr@tsc@",
88 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
94 …"BriefDescription": "Bandwidth of inbound IO reads that are initiated by end device controllers th…
100 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
106 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
112 …"BriefDescription": "Bandwidth of IO writes that are initiated by end device controllers that are …
118 …"BriefDescription": "Bandwidth of inbound IO writes that are initiated by end device controllers t…
[all …]
/linux/drivers/net/fddi/skfp/
H A Dskfddi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
41 * 02-Mar-98 CG Created.
43 * 10-Mar-99 CG Support for 2.2.x added.
44 * 25-Mar-99 CG Corrected IRQ routing for SMP (APIC)
45 * 26-Oct-99 CG Fixed compilation error on 2.2.13
46 * 12-Nov-99 CG Source code release
47 * 22-Nov-99 CG Included in kernel source.
48 * 07-May-00 DM 64 bit fixes, new dma interface
49 * 31-Jul-03 DB Audit copy_*_user in skfp_ioctl
51 * 03-Dec-03 SH Convert to PCI device model
[all …]
/linux/Documentation/arch/powerpc/
H A Dultravisor.rst1 .. SPDX-License-Identifier: GPL-2.0
16 (PVR=0x004e1203) or greater will be PEF-capable. A new ISA release
25 +------------------+
29 +------------------+
31 +------------------+
33 +------------------+
35 +------------------+
75 +---+---+---+---------------+
79 +---+---+---+---------------+
80 | 1 | 0 | 0 | Privileged(OS)|
[all …]
/linux/tools/power/pm-graph/
H A DREADME8 pm-graph: suspend/resume/boot timing analysis tools
11 …Home Page: https://www.intel.com/content/www/us/en/developer/topic-technology/open/pm-graph/overvi…
13 Report bugs/issues at bugzilla.kernel.org Tools/pm-graph
14 - https://bugzilla.kernel.org/buglist.cgi?component=pm-graph&product=Tools
17 - Getting Started:
20 - Feature Summary:
21 https://www.intel.com/content/www/us/en/developer/topic-technology/open/pm-graph/features.html
23 - upstream version in git:
24 git clone https://github.com/intel/pm-graph/
27 - Overview
[all …]
/linux/arch/powerpc/perf/
H A Dvpa-dtl.c1 // SPDX-License-Identifier: GPL-2.0-or-later
23 * DTL_CEDE(0x1): Trace voluntary (OS initiated) virtual
42 PMU_FORMAT_ATTR(event, "config:0-7");
99 * Formula is: ((timbase from DTL entry - boot time) / frequency)
124 struct dtl_entry *aux_copy_buf = (struct dtl_entry *)buf->base; in vpa_dtl_capture_aux()
131 if (buf->head + *n_entries >= buf->threshold) { in vpa_dtl_capture_aux()
132 *n_entries = buf->threshold - buf->head; in vpa_dtl_capture_aux()
133 buf->full = 1; in vpa_dtl_capture_aux()
137 * Copy to AUX buffer from per-thread address in vpa_dtl_capture_aux()
139 memcpy(aux_copy_buf + buf->head, &dtl->buf[index], *n_entries * sizeof(struct dtl_entry)); in vpa_dtl_capture_aux()
[all …]
/linux/tools/perf/pmu-events/arch/x86/haswellx/
H A Dhsx-metrics.json4 "MetricExpr": "cstate_pkg@c2\\-residency@ / msr@tsc@",
11 "MetricExpr": "cstate_core@c3\\-residency@ / msr@tsc@",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / msr@tsc@",
25 "MetricExpr": "cstate_core@c6\\-residency@ / msr@tsc@",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / msr@tsc@",
39 "MetricExpr": "cstate_core@c7\\-residency@ / msr@tsc@",
46 "MetricExpr": "cstate_pkg@c7\\-residency@ / msr@tsc@",
90 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
96 …"BriefDescription": "Bandwidth of IO writes that are initiated by end device controllers that are …
230 …"BriefDescription": "Uops delivered from legacy decode pipeline (Micro-instruction Translation Eng…
[all …]
/linux/arch/powerpc/platforms/pseries/
H A Drtas-fadump.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Firmware-Assisted Dump support on POWERVM platform.
23 #include <asm/fadump-internal.h>
25 #include "rtas-fadump.h"
33 fadump_conf->fadumphdr_addr = (fadump_conf->boot_mem_dest_addr + in rtas_fadump_update_config()
34 fadump_conf->boot_memory_size); in rtas_fadump_update_config()
48 fadump_conf->boot_memory_size = 0; in rtas_fadump_get_config()
49 fadump_conf->boot_mem_regs_cnt = 0; in rtas_fadump_get_config()
51 for (int i = 0; i < be16_to_cpu(fdm->header.dump_num_sections); i++) { in rtas_fadump_get_config()
52 int type = be16_to_cpu(fdm->rgn[i].source_data_type); in rtas_fadump_get_config()
[all …]
H A Dmobility.c1 // SPDX-License-Identifier: GPL-2.0-only
31 #include "papr-hvpipe.h" /* hvpipe_migration_handler() */
51 #define PRRN_SCOPE -2
97 is_platfac = of_node_is_type(dn, "ibm,platform-facilities") || in delete_dt_node()
98 of_node_is_type(pdn, "ibm,platform-facilities"); in delete_dt_node()
102 * The drivers that bind to nodes in the platform-facilities in delete_dt_node()
127 * ibm,update-properties again to get the rest of the value. in update_dt_property()
138 char *new_data = kzalloc(new_prop->length + vd, GFP_KERNEL); in update_dt_property()
140 return -ENOMEM; in update_dt_property()
142 memcpy(new_data, new_prop->value, new_prop->length); in update_dt_property()
[all …]
/linux/Documentation/virt/kvm/x86/
H A Dtimekeeping.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Timekeeping Virtualization for X86-Based Architectures
32 information relevant to KVM and hardware-based virtualization.
41 2.1. i8254 - PIT
42 ----------------
46 channels which can be programmed to deliver periodic or one-shot interrupts.
53 The PIT uses I/O ports 0x40 - 0x43. Access to the 16-bit counters is done
59 -------------- ----------------
61 | 1.1932 MHz|---------->| CLOCK OUT | ---------> IRQ 0
63 -------------- | +->| GATE TIMER 0 |
[all …]
/linux/drivers/gpu/drm/xe/
H A Dxe_pm.c1 // SPDX-License-Identifier: MIT
8 #include <linux/fault-inject.h>
38 * System Level Suspend (S-States) - In general this is OS initiated suspend
43 * PCI Device Suspend (D-States) - This is the opportunistic PCIe device low power
60 * Runtime PM - This infrastructure provided by the Linux kernel allows the
63 * (PC-states), and/or other low level power states. Xe PM component provides
72 * sysfs, debugfs, dma-buf sharing, GPU execution.
89 * xe_rpm_reclaim_safe() - Whether runtime resume can be done from reclaim context
97 return !xe->d3cold.capable; in xe_rpm_reclaim_safe()
115 * xe_pm_suspend - Helper for System suspend, i.e. S0->S3 / S0->S2idle
[all …]
/linux/tools/perf/pmu-events/arch/x86/broadwellx/
H A Dbdx-metrics.json4 "MetricExpr": "cstate_pkg@c2\\-residency@ / msr@tsc@",
11 "MetricExpr": "cstate_core@c3\\-residency@ / msr@tsc@",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / msr@tsc@",
25 "MetricExpr": "cstate_core@c6\\-residency@ / msr@tsc@",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / msr@tsc@",
39 "MetricExpr": "cstate_core@c7\\-residency@ / msr@tsc@",
46 "MetricExpr": "cstate_pkg@c7\\-residency@ / msr@tsc@",
90 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
96 …"BriefDescription": "Bandwidth of IO writes that are initiated by end device controllers that are …
230 …"BriefDescription": "Uops delivered from legacy decode pipeline (Micro-instruction Translation Eng…
[all …]
/linux/tools/perf/pmu-events/arch/x86/cascadelakex/
H A Dclx-metrics.json4 "MetricExpr": "cstate_pkg@c2\\-residency@ / msr@tsc@",
11 "MetricExpr": "cstate_core@c3\\-residency@ / msr@tsc@",
18 "MetricExpr": "cstate_pkg@c3\\-residency@ / msr@tsc@",
25 "MetricExpr": "cstate_core@c6\\-residency@ / msr@tsc@",
32 "MetricExpr": "cstate_pkg@c6\\-residency@ / msr@tsc@",
39 "MetricExpr": "cstate_core@c7\\-residency@ / msr@tsc@",
46 "MetricExpr": "cstate_pkg@c7\\-residency@ / msr@tsc@",
97 …"BriefDescription": "Bandwidth of IO reads that are initiated by end device controllers that are r…
103 …"BriefDescription": "Bandwidth of IO writes that are initiated by end device controllers that are …
261 …"BriefDescription": "Uops delivered from legacy decode pipeline (Micro-instruction Translation Eng…
[all …]

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