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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.
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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.
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/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
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/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 */
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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.
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/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()
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/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()
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/linux/drivers/hid/intel-ish-hid/ipc/
H A Dipc.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2014-2016, Intel Corporation.
8 #include <linux/devm-helpers.h>
14 #include "hw-ish.h"
22 * ish_reg_read() - Read register
35 return readl(hw->mem_addr + offset); in ish_reg_read()
39 * ish_reg_write() - Write register
52 writel(value, hw->mem_addr + offset); in ish_reg_write()
56 * _ish_read_fw_sts_reg() - Read FW status register
69 * check_generated_interrupt() - Check if ISH interrupt
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/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.
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/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/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
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/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)|
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/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
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/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 |
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/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()
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/linux/drivers/misc/mei/
H A Dhbm.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2003-2022, Intel Corporation. All rights reserved.
68 * mei_cl_conn_status_to_errno - convert client connect response
79 case MEI_CL_CONN_NOT_FOUND: return -ENOTTY; in mei_cl_conn_status_to_errno()
80 case MEI_CL_CONN_ALREADY_STARTED: return -EBUSY; in mei_cl_conn_status_to_errno()
81 case MEI_CL_CONN_OUT_OF_RESOURCES: return -EBUSY; in mei_cl_conn_status_to_errno()
82 case MEI_CL_CONN_MESSAGE_SMALL: return -EINVAL; in mei_cl_conn_status_to_errno()
83 case MEI_CL_CONN_NOT_ALLOWED: return -EBUSY; in mei_cl_conn_status_to_errno()
84 default: return -EINVAL; in mei_cl_conn_status_to_errno()
89 * mei_hbm_write_message - wrapper for sending hbm messages.
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/linux/Documentation/driver-api/
H A Dlibata.rst12 transports for ATA and ATAPI devices, and SCSI<->ATA translation for ATA
16 internals, and a couple sample ATA low-level drivers.
22 is defined for every low-level libata
23 hardware driver, and it controls how the low-level driver interfaces
26 FIS-based drivers will hook into the system with ``->qc_prep()`` and
27 ``->qc_issue()`` high-level hooks. Hardware which behaves in a manner
33 ----------------------------------------------------------
35 Post-IDENTIFY device configuration
44 Typically used to apply device-specific fixups prior to issue of SET
45 FEATURES - XFER MODE, and prior to operation.
[all …]
/linux/drivers/hid/intel-ish-hid/ishtp/
H A Dbus.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2012-2016, Intel Corporation.
15 #include "ishtp-dev.h"
28 * ishtp_recv() - process ishtp message
42 msg_hdr = dev->ops->ishtp_read_hdr(dev); in ishtp_recv()
46 dev->ops->sync_fw_clock(dev); in ishtp_recv()
49 dev->ishtp_msg_hdr = msg_hdr; in ishtp_recv()
52 if (ishtp_hdr->length > dev->mtu) { in ishtp_recv()
53 dev_err(dev->devc, in ishtp_recv()
54 "ISHTP hdr - bad length: %u; dropped [%08X]\n", in ishtp_recv()
[all …]
/linux/include/linux/
H A Dremoteproc.h47 * struct resource_table - firmware resource table header
81 * struct fw_rsc_hdr - firmware resource entry header
95 * enum fw_resource_type - types of resource entries
99 * @RSC_DEVMEM: request to iommu_map a memory-based peripheral.
126 #define FW_RSC_ADDR_ANY (-1)
129 * struct fw_rsc_carveout - physically contiguous memory request
135 * @name: human-readable name of the requested memory region
181 * struct fw_rsc_devmem - iommu mapping request
187 * @name: human-readable name of the requested region to be mapped
191 * access to certain memory-based peripherals; _never_ use it to access
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H A Dpci.h1 /* SPDX-License-Identifier: GPL-2.0 */
7 * Copyright 1997--1999 Martin Mares <mj@ucw.cz>
60 * The PCI interface treats multi-function devices as independent
68 * In the interest of not exposing interfaces to user-space unnecessarily,
69 * the following kernel-only defines are being added here.
80 unsigned char number; /* PCI_SLOT(pci_dev->devfn) */
86 return kobject_name(&slot->kobj); in pci_slot_name()
97 /* #0-5: standard PCI resources */
99 PCI_STD_RESOURCE_END = PCI_STD_RESOURCES + PCI_STD_NUM_BARS - 1,
104 /* Device-specific resources */
[all …]
/linux/Documentation/filesystems/iomap/
H A Doperations.rst1 .. SPDX-License-Identifier: GPL-2.0
35 linked lists of buffer heads instead of the per-folio bitmaps that iomap
42 -----------------------------------
61 --------------------------
63 The ``->iomap_begin`` function for pagecache operations may set the
67 .. code-block:: c
79 - ``get_folio``: Called to allocate and return an active reference to
83 This could be used to `set up per-folio filesystem state
84 <https://lore.kernel.org/all/20190429220934.10415-5-agruenba@redhat.com/>`_
87 - ``put_folio``: Called to unlock and put a folio after a pagecache
[all …]
/linux/drivers/net/ethernet/intel/idpf/
H A Didpf_lib.c1 // SPDX-License-Identifier: GPL-2.0-only
11 * idpf_init_vector_stack - Fill the MSIX vector stack with vector index
22 mutex_lock(&adapter->vector_lock); in idpf_init_vector_stack()
23 min_vec = adapter->num_msix_entries - adapter->num_avail_msix; in idpf_init_vector_stack()
24 stack = &adapter->vector_stack; in idpf_init_vector_stack()
25 stack->size = adapter->num_msix_entries; in idpf_init_vector_stack()
27 * distribute the unused vectors on-demand basis in idpf_init_vector_stack()
29 stack->base = min_vec; in idpf_init_vector_stack()
30 stack->top = min_vec; in idpf_init_vector_stack()
32 stack->vec_idx = kcalloc(stack->size, sizeof(u16), GFP_KERNEL); in idpf_init_vector_stack()
[all …]
/linux/drivers/net/ethernet/chelsio/cxgb/
H A Dsubr.c1 // SPDX-License-Identifier: GPL-2.0-only
14 * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. *
40 * t1_wait_op_done - wait until an operation is completed
43 * @mask: a single-bit field within @reg that indicates completion
56 u32 val = readl(adapter->regs + reg) & mask; in t1_wait_op_done()
60 if (--attempts == 0) in t1_wait_op_done()
76 writel(addr, adapter->regs + A_TPI_ADDR); in __t1_tpi_write()
77 writel(value, adapter->regs + A_TPI_WR_DATA); in __t1_tpi_write()
78 writel(F_TPIWR, adapter->regs + A_TPI_CSR); in __t1_tpi_write()
84 adapter->name, addr); in __t1_tpi_write()
[all …]
/linux/drivers/scsi/megaraid/
H A Dmegaraid_sas_fusion.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (c) 2009-2013 LSI Corporation
6 * Copyright (c) 2013-2016 Avago Technologies
7 * Copyright (c) 2016-2018 Broadcom Inc.
76 * megasas_adp_reset_wait_for_ready - initiate chip reset and wait for
96 * when diag reset is initiated from driver in megasas_adp_reset_wait_for_ready()
99 dev_info(&instance->pdev->dev, in megasas_adp_reset_wait_for_ready()
103 pci_cfg_access_lock(instance->pdev); in megasas_adp_reset_wait_for_ready()
106 if (instance->instancet->adp_reset in megasas_adp_reset_wait_for_ready()
107 (instance, instance->reg_set)) in megasas_adp_reset_wait_for_ready()
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