| /kernel/linux/linux-6.6/Documentation/core-api/ |
| D | workqueue.rst | 33 thread system-wide. A single MT wq needed to keep around the same
60 * Use per-CPU unified worker pools shared by all wq to provide
83 called worker-pools.
85 The cmwq design differentiates between the user-facing workqueues that
87 which manages worker-pools and processes the queued work items.
89 There are two worker-pools, one for normal work items and the other
91 worker-pools to serve work items queued on unbound workqueues - the
98 things like CPU locality, concurrency limits, priority and more. To
102 When a work item is queued to a workqueue, the target worker-pool is
104 and appended on the shared worklist of the worker-pool. For example,
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| /kernel/linux/linux-6.6/drivers/char/tpm/ |
| D | tpm_tis_i2c.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2014-2021 Nuvoton Technology corporation
4 * Copyright (C) 2019-2022 Infineon Technologies AG
14 #include <linux/crc-ccitt.h>
27 /* TIS-compatible register address to avoid clash with TPM_ACCESS (0x00) */
78 * Table 51 "I2C-TPM Register Overview".
80 * For most addresses this can be done by simply stripping off the locality
86 * Locality information is ignored, since this driver assumes exclusive access
87 * to the TPM and always uses locality 0.
115 if (msg->flags & I2C_M_RD) in tpm_tis_i2c_retry_transfer_until_ack()
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| D | tpm_vtpm_proxy.c | 1 // SPDX-License-Identifier: GPL-2.0-only
8 * Maintained by: <tpmdd-devel@lists.sourceforge.net>
41 #define STATE_DRIVER_COMMAND BIT(3) /* sending a driver specific command */
62 * vtpm_proxy_fops_read - Read TPM commands on 'server side'
75 struct proxy_dev *proxy_dev = filp->private_data; in vtpm_proxy_fops_read()
79 sig = wait_event_interruptible(proxy_dev->wq, in vtpm_proxy_fops_read()
80 proxy_dev->req_len != 0 || in vtpm_proxy_fops_read()
81 !(proxy_dev->state & STATE_OPENED_FLAG)); in vtpm_proxy_fops_read()
83 return -EINTR; in vtpm_proxy_fops_read()
85 mutex_lock(&proxy_dev->buf_lock); in vtpm_proxy_fops_read()
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| D | tpm-chip.c | 1 // SPDX-License-Identifier: GPL-2.0-only
13 * Maintained by: <tpmdd-devel@lists.sourceforge.net>
44 if (!chip->ops->request_locality) in tpm_request_locality()
47 rc = chip->ops->request_locality(chip, 0); in tpm_request_locality()
51 chip->locality = rc; in tpm_request_locality()
59 if (!chip->ops->relinquish_locality) in tpm_relinquish_locality()
62 rc = chip->ops->relinquish_locality(chip, chip->locality); in tpm_relinquish_locality()
64 dev_err(&chip->dev, "%s: : error %d\n", __func__, rc); in tpm_relinquish_locality()
66 chip->locality = -1; in tpm_relinquish_locality()
71 if (!chip->ops->cmd_ready) in tpm_cmd_ready()
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| /kernel/linux/linux-6.6/drivers/char/tpm/st33zp24/ |
| D | st33zp24.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (C) 2009 - 2016 STMicroelectronics
71 tpm_dev->ops->recv(tpm_dev->phy_id, TPM_INT_STATUS, &interrupt, 1); in clear_interruption()
72 tpm_dev->ops->send(tpm_dev->phy_id, TPM_INT_STATUS, &interrupt, 1); in clear_interruption()
81 struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); in st33zp24_cancel()
85 tpm_dev->ops->send(tpm_dev->phy_id, TPM_STS, &data, 1); in st33zp24_cancel()
93 struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); in st33zp24_status()
96 tpm_dev->ops->recv(tpm_dev->phy_id, TPM_STS, &data, 1); in st33zp24_status()
101 * if the locality is active
105 struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev); in check_locality()
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| /kernel/linux/linux-5.10/drivers/char/tpm/ |
| D | tpm_vtpm_proxy.c | 1 // SPDX-License-Identifier: GPL-2.0-only
8 * Maintained by: <tpmdd-devel@lists.sourceforge.net>
41 #define STATE_DRIVER_COMMAND BIT(3) /* sending a driver specific command */
62 * vtpm_proxy_fops_read - Read TPM commands on 'server side'
75 struct proxy_dev *proxy_dev = filp->private_data; in vtpm_proxy_fops_read()
79 sig = wait_event_interruptible(proxy_dev->wq, in vtpm_proxy_fops_read()
80 proxy_dev->req_len != 0 || in vtpm_proxy_fops_read()
81 !(proxy_dev->state & STATE_OPENED_FLAG)); in vtpm_proxy_fops_read()
83 return -EINTR; in vtpm_proxy_fops_read()
85 mutex_lock(&proxy_dev->buf_lock); in vtpm_proxy_fops_read()
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| D | tpm-chip.c | 1 // SPDX-License-Identifier: GPL-2.0-only
13 * Maintained by: <tpmdd-devel@lists.sourceforge.net>
39 if (!chip->ops->request_locality) in tpm_request_locality()
42 rc = chip->ops->request_locality(chip, 0); in tpm_request_locality()
46 chip->locality = rc; in tpm_request_locality()
54 if (!chip->ops->relinquish_locality) in tpm_relinquish_locality()
57 rc = chip->ops->relinquish_locality(chip, chip->locality); in tpm_relinquish_locality()
59 dev_err(&chip->dev, "%s: : error %d\n", __func__, rc); in tpm_relinquish_locality()
61 chip->locality = -1; in tpm_relinquish_locality()
66 if (!chip->ops->cmd_ready) in tpm_cmd_ready()
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| /kernel/linux/linux-5.10/include/uapi/linux/ |
| D | vtpm_proxy.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
24 * enum vtpm_proxy_flags - flags for the proxy TPM
32 * struct vtpm_proxy_new_dev - parameter structure for the
50 /* vendor specific commands to set locality */
|
| /kernel/linux/linux-6.6/include/uapi/linux/ |
| D | vtpm_proxy.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
24 * enum vtpm_proxy_flags - flags for the proxy TPM
32 * struct vtpm_proxy_new_dev - parameter structure for the
50 /* vendor specific commands to set locality */
|
| /kernel/linux/linux-5.10/Documentation/core-api/ |
| D | workqueue.rst | 33 thread system-wide. A single MT wq needed to keep around the same
60 * Use per-CPU unified worker pools shared by all wq to provide
83 called worker-pools.
85 The cmwq design differentiates between the user-facing workqueues that
87 which manages worker-pools and processes the queued work items.
89 There are two worker-pools, one for normal work items and the other
91 worker-pools to serve work items queued on unbound workqueues - the
98 things like CPU locality, concurrency limits, priority and more. To
102 When a work item is queued to a workqueue, the target worker-pool is
104 and appended on the shared worklist of the worker-pool. For example,
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| /kernel/linux/linux-6.6/drivers/acpi/numa/ |
| D | hmat.c | 1 // SPDX-License-Identifier: GPL-2.0
87 if (initiator->processor_pxm == cpu_pxm) in find_mem_initiator()
97 if (target->memory_pxm == mem_pxm) in find_mem_target()
117 initiator->processor_pxm = cpu_pxm; in alloc_memory_initiator()
118 initiator->has_cpu = node_state(pxm_to_node(cpu_pxm), N_CPU); in alloc_memory_initiator()
119 list_add_tail(&initiator->node, &initiators); in alloc_memory_initiator()
132 target->memory_pxm = mem_pxm; in alloc_memory_target()
133 target->processor_pxm = PXM_INVAL; in alloc_memory_target()
134 target->memregions = (struct resource) { in alloc_memory_target()
137 .end = -1, in alloc_memory_target()
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| /kernel/linux/linux-6.6/include/linux/ |
| D | workqueue.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * workqueue.h --- work queue handling for Linux.
28 #define work_data_bits(work) ((unsigned long *)(&(work)->data))
67 /* data contains off-queue information when !WORK_STRUCT_PWQ */
79 WORK_OFFQ_LEFT = BITS_PER_LONG - WORK_OFFQ_POOL_SHIFT,
90 /* Convenience constants - of type 'unsigned long', not 'enum'! */
92 #define WORK_OFFQ_POOL_NONE ((1ul << WORK_OFFQ_POOL_BITS) - 1)
95 #define WORK_STRUCT_FLAG_MASK ((1ul << WORK_STRUCT_FLAG_BITS) - 1)
115 /* target workqueue and CPU ->timer uses to queue ->work */
124 /* target workqueue ->rcu uses to queue ->work */
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| /kernel/linux/linux-5.10/drivers/acpi/numa/ |
| D | hmat.c | 1 // SPDX-License-Identifier: GPL-2.0
88 if (initiator->processor_pxm == cpu_pxm) in find_mem_initiator()
98 if (target->memory_pxm == mem_pxm) in find_mem_target()
118 initiator->processor_pxm = cpu_pxm; in alloc_memory_initiator()
119 initiator->has_cpu = node_state(pxm_to_node(cpu_pxm), N_CPU); in alloc_memory_initiator()
120 list_add_tail(&initiator->node, &initiators); in alloc_memory_initiator()
133 target->memory_pxm = mem_pxm; in alloc_memory_target()
134 target->processor_pxm = PXM_INVAL; in alloc_memory_target()
135 target->memregions = (struct resource) { in alloc_memory_target()
138 .end = -1, in alloc_memory_target()
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| /kernel/linux/linux-6.6/kernel/ |
| D | watchdog_perf.c | 1 // SPDX-License-Identifier: GPL-2.0
9 * Some chunks also taken from the old x86-specific nmi watchdog code, thanks
40 * watchdog. That means the hrtimer should fire 2-3 times before in watchdog_update_hrtimer_threshold()
42 * unhalted CPU cycles, so if Turbo-Mode is enabled the CPU cycles in watchdog_update_hrtimer_threshold()
45 * frequency. Depending on the Turbo-Mode factor this might be fast in watchdog_update_hrtimer_threshold()
64 delta = now - __this_cpu_read(last_timestamp); in watchdog_check_timestamp()
103 event->hw.interrupts = 0; in watchdog_overflow_callback()
119 * Ensure CPU-locality by calling this in per-CPU kthread. in hardlockup_detector_event_create()
124 wd_attr->sample_period = hw_nmi_get_sample_period(watchdog_thresh); in hardlockup_detector_event_create()
139 * watchdog_hardlockup_enable - Enable the local event
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| /kernel/linux/linux-5.10/Documentation/networking/ |
| 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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| /kernel/linux/linux-6.6/Documentation/networking/ |
| 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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| /kernel/linux/linux-5.10/fs/ext4/ |
| D | mballoc.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2003-2006, Cluster File Systems, Inc, info@clusterfs.com
18 #include <linux/backing-dev.h>
24 * - test ext4_ext_search_left() and ext4_ext_search_right()
25 * - search for metadata in few groups
28 * - normalization should take into account whether file is still open
29 * - discard preallocations if no free space left (policy?)
30 * - don't normalize tails
31 * - quota
32 * - reservation for superuser
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| /kernel/linux/linux-6.6/fs/ext4/ |
| D | mballoc.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2003-2006, Cluster File Systems, Inc, info@clusterfs.com
18 #include <linux/backing-dev.h>
24 * - test ext4_ext_search_left() and ext4_ext_search_right()
25 * - search for metadata in few groups
28 * - normalization should take into account whether file is still open
29 * - discard preallocations if no free space left (policy?)
30 * - don't normalize tails
31 * - quota
32 * - reservation for superuser
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/interrupt-controller/ |
| D | arm,gic-v3.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/arm,gic-v3.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marc Zyngier <marc.zyngier@arm.com>
15 Software Generated Interrupts (SGI), and Locality-specific Peripheral
19 - $ref: /schemas/interrupt-controller.yaml#
24 - items:
25 - enum:
26 - qcom,msm8996-gic-v3
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| /kernel/linux/linux-5.10/Documentation/vm/ |
| D | page_migration.rst | 40 For example, A NUMA profiler may obtain a log showing frequent off-node
48 Cpusets allow the automation of process locality. If a task is moved to
102 this (not yet up-to-date) page immediately block while the move is in progress.
152 Non-LRU page migration
156 for NUMA, compaction also uses migration to create high-order pages.
159 *LRU* pages. However, there are potential non-LRU pages which can be migrated
160 in drivers, for example, zsmalloc, virtio-balloon pages.
162 For virtio-balloon pages, some parts of migration code path have been hooked
163 up and added virtio-balloon specific functions to intercept migration logics.
164 It's too specific to a driver so other drivers who want to make their pages
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/interrupt-controller/ |
| D | arm,gic-v3.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/arm,gic-v3.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marc Zyngier <maz@kernel.org>
15 Software Generated Interrupts (SGI), and Locality-specific Peripheral
19 - $ref: /schemas/interrupt-controller.yaml#
24 - items:
25 - enum:
26 - qcom,msm8996-gic-v3
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| /kernel/linux/linux-6.6/fs/xfs/libxfs/ |
| D | xfs_alloc.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
38 struct xfs_perag *pag; /* per-ag struct for this agno */
41 xfs_agblock_t agbno; /* allocation group-relative block # */
99 * Allocate an extent anywhere in the specific AG given. If there is no
121 * Locality aware allocation will be attempted in the initial AG, but on failure
122 * non-localised attempts will be made. The AGs are constrained by previous
123 * allocations in the current transaction. Two passes will be made - the first
124 * non-blocking, the second blocking.
130 * Iterate from the AG indicated from args->fsbno through to the end of the
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| /kernel/linux/linux-5.10/arch/ia64/kernel/ |
| D | acpi.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * acpi.c - Architecture-Specific Low-Level ACPI Support
7 * Copyright (C) 2000, 2002-2003 Hewlett-Packard Co.
8 * David Mosberger-Tang <davidm@hpl.hp.com>
10 * Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com>
13 * Copyright (C) 2001 Takayoshi Kochi <t-kochi@bq.jp.nec.com>
49 [0 ... ACPI_MAX_PLATFORM_INTERRUPTS - 1] = -1
60 int vector = -1; in acpi_request_vector()
80 /* --------------------------------------------------------------------------
81 Boot-time Table Parsing
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| /kernel/linux/linux-6.6/arch/ia64/kernel/ |
| D | acpi.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * acpi.c - Architecture-Specific Low-Level ACPI Support
7 * Copyright (C) 2000, 2002-2003 Hewlett-Packard Co.
8 * David Mosberger-Tang <davidm@hpl.hp.com>
10 * Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com>
13 * Copyright (C) 2001 Takayoshi Kochi <t-kochi@bq.jp.nec.com>
49 [0 ... ACPI_MAX_PLATFORM_INTERRUPTS - 1] = -1
60 int vector = -1; in acpi_request_vector()
80 /* --------------------------------------------------------------------------
81 Boot-time Table Parsing
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| /kernel/linux/linux-6.6/drivers/net/ethernet/netronome/nfp/nfpcore/ |
| D | nfp_target.c | 1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /* Copyright (C) 2015-2018 Netronome Systems, Inc. */
26 * 32-bit or 64-bit words. All others are not listed.
40 return -EINVAL; in target_rw()
51 return -EINVAL; in nfp6000_nbi_dma()
62 return -EINVAL; in nfp6000_nbi_stats()
73 return -EINVAL; in nfp6000_nbi_tm()
84 return -EINVAL; in nfp6000_nbi_ppc()
102 * 32-bit or 64-bit words. All others are not listed.
150 return -EINVAL; in nfp6000_mu_common()
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