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Searched +full:multi +full:- +full:cluster (Results 1 – 25 of 47) sorted by relevance

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/linux/arch/mips/kernel/
H A Dsmp-cps.c1 // SPDX-License-Identifier: GPL-2.0-or-later
19 #include <asm/mips-cps.h>
22 #include <asm/pm-cps.h>
26 #include <asm/smp-cps.h>
44 static void power_up_other_cluster(unsigned int cluster) in power_up_other_cluster() argument
49 mips_cm_lock_other(cluster, CM_GCR_Cx_OTHER_CORE_CM, 0, in power_up_other_cluster()
60 mips_cm_lock_other(cluster, 0, 0, CM_GCR_Cx_OTHER_BLOCK_GLOBAL); in power_up_other_cluster()
67 mips_cm_lock_other(cluster, CM_GCR_Cx_OTHER_CORE_CM, 0, in power_up_other_cluster()
78 timeout--; in power_up_other_cluster()
80 pr_warn("Waiting for cluster %u CM to power up... STAT_CONF=0x%x\n", in power_up_other_cluster()
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/linux/arch/arm/common/
H A Dmcpm_head.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * arch/arm/common/mcpm_head.S -- kernel entry point for multi-cluster PM
6 * Copyright: (C) 2012-2013 Linaro Limited
8 * Refer to Documentation/arch/arm/cluster-pm-race-avoidance.rst
18 .arch armv7-a
28 1903: .asciz " cluster"
56 ubfx r10, r0, #8, #8 @ r10 = cluster
88 mla r8, r0, r10, r8 @ r8 = sync cluster base
96 @ At this point, the cluster cannot unexpectedly enter the GOING_DOWN
100 mla r11, r0, r10, r11 @ r11 = cluster first man lock
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H A Dmcpm_entry.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * arch/arm/common/mcpm_entry.c -- entry point for multi-cluster PM
6 * Copyright: (C) 2012-2013 Linaro Limited
24 * see Documentation/arch/arm/cluster-pm-race-avoidance.rst.
34 static void __mcpm_cpu_going_down(unsigned int cpu, unsigned int cluster) in __mcpm_cpu_going_down() argument
36 mcpm_sync.clusters[cluster].cpus[cpu].cpu = CPU_GOING_DOWN; in __mcpm_cpu_going_down()
37 sync_cache_w(&mcpm_sync.clusters[cluster].cpus[cpu].cpu); in __mcpm_cpu_going_down()
42 * cluster can be torn down without disrupting this CPU.
47 static void __mcpm_cpu_down(unsigned int cpu, unsigned int cluster) in __mcpm_cpu_down() argument
50 mcpm_sync.clusters[cluster].cpus[cpu].cpu = CPU_DOWN; in __mcpm_cpu_down()
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/linux/arch/arm/mach-sunxi/
H A Dmc_smp.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2018 Chen-Yu Tsai
5 * Chen-Yu Tsai <wens@csie.org>
7 * arch/arm/mach-sunxi/mc_smp.c
9 * Based on Allwinner code, arch/arm/mach-exynos/mcpm-exynos.c, and
10 * arch/arm/mach-hisi/platmcpm.c
11 * Cluster cache enable trampoline code adapted from MCPM framework
14 #include <linux/arm-cci.h>
19 #include <linux/irqchip/arm-gic.h>
70 /* R_CPUCFG registers, specific to sun8i-a83t */
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/linux/Documentation/arch/arm/
H A Dcluster-pm-race-avoidance.rst2 Cluster-wide Power-up/power-down race avoidance algorithm
6 cluster setup and teardown operations and to manage hardware coherency
16 ---------
29 cluster-level operations are only performed when it is truly safe to do
34 are not immediately enabled when a cluster powers up. Since enabling or
35 disabling those mechanisms may itself be a non-atomic operation (such as
38 power-down and power-up at the cluster level.
46 -----------
48 Each cluster and CPU is assigned a state, as follows:
50 - DOWN
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/linux/arch/arm/mach-versatile/
H A Dspc.c1 // SPDX-License-Identifier: GPL-2.0-only
12 #include <linux/clk-provider.h>
28 #define SPCLOG "vexpress-spc: "
39 /* SPC wake-up IRQs status and mask */
46 /* SPC per-CPU mailboxes */
50 /* SPC CPU/cluster reset statue */
68 /* wake-up interrupt masks */
71 /* TC2 static dual-cluster configuration */
75 * Even though the SPC takes max 3-5 ms to complete any OPP/COMMS
97 * A15s cluster identifier
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H A Dplatsmp-vexpress.c1 // SPDX-License-Identifier: GPL-2.0-only
27 * The best way to detect a multi-cluster configuration in vexpress_smp_init_ops()
40 cci_node = of_parse_phandle(cpu_node, "cci-control-port", 0); in vexpress_smp_init_ops()
57 { .compatible = "arm,cortex-a5-scu", },
58 { .compatible = "arm,cortex-a9-scu", },
72 * system-wide flags register. The boot monitor waits in vexpress_smp_dt_prepare_cpus()
/linux/Documentation/admin-guide/perf/
H A Dhisi-pmu.rst10 The HiSilicon SoC encapsulates multiple CPU and IO dies. Each CPU cluster
12 called Super CPU cluster (SCCL) and is made up of 6 CCLs. Each SCCL has
13 two HHAs (0 - 1) and four DDRCs (0 - 3), respectively.
16 -------------------------------
28 name will appear in event listing as hisi_sccl<sccl-id>_module<index-id>.
29 where "sccl-id" is the identifier of the SCCL and "index-id" is the index of
48 ------------------------------------------
50 ------------------------------------------
52 ------------------------------------------
54 ------------------------------------------
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/linux/Documentation/devicetree/bindings/arm/
H A Darm,cci-400.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/arm/arm,cci-400.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
13 ARM multi-cluster systems maintain intra-cluster coherency through a cache
24 pattern: "^cci(@[0-9a-f]+)?$"
28 - arm,cci-400
29 - arm,cci-500
30 - arm,cci-550
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/linux/drivers/remoteproc/
H A Dmtk_scp.c1 // SPDX-License-Identifier: GPL-2.0
7 #include <linux/dma-mapping.h>
27 * scp_get() - get a reference to SCP.
36 struct device *dev = &pdev->dev; in scp_get()
40 scp_node = of_parse_phandle(dev->of_node, "mediatek,scp", 0); in scp_get()
59 * scp_put() - "free" the SCP
65 put_device(scp->dev); in scp_put()
71 struct mtk_scp_of_cluster *scp_cluster = scp->cluster; in scp_wdt_handler()
74 dev_err(scp->dev, "SCP watchdog timeout! 0x%x", scp_to_host); in scp_wdt_handler()
77 list_for_each_entry(scp_node, &scp_cluster->mtk_scp_list, elem) in scp_wdt_handler()
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/linux/drivers/bus/
H A Darm-cci.c17 #include <linux/arm-cci.h>
49 {.compatible = "arm,cci-400", .data = CCI400_PORTS_DATA },
52 { .compatible = "arm,cci-500", },
53 { .compatible = "arm,cci-550", },
59 OF_DEV_AUXDATA("arm,cci-400-pmu", 0, NULL, &cci_ctrl_base),
60 OF_DEV_AUXDATA("arm,cci-400-pmu,r0", 0, NULL, &cci_ctrl_base),
61 OF_DEV_AUXDATA("arm,cci-400-pmu,r1", 0, NULL, &cci_ctrl_base),
62 OF_DEV_AUXDATA("arm,cci-500-pmu,r0", 0, NULL, &cci_ctrl_base),
63 OF_DEV_AUXDATA("arm,cci-550-pmu,r0", 0, NULL, &cci_ctrl_base),
67 #define DRIVER_NAME "ARM-CCI"
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/linux/include/sound/
H A Dsdca_function.h1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
4 * https://www.mipi.org/mipi-sdca-v1-0-download
21 #define SDCA_NO_INTERRUPT -1
30 * The Cluster IDs are 16-bit, so a maximum of 65535 Clusters per
37 * Sanity check on number of channels per Cluster, can be expanded if needed.
52 * enum sdca_function_type - SDCA Function Type codes
63 * @SDCA_FUNCTION_TYPE_IMP_DEF: Implementation-defined function.
86 /* Human-readable names used for kernel logs and Function device registration/bind */
100 * struct sdca_init_write - a single initialization write
110 * define SDCA_CTL_TYPE - create a unique identifier for an SDCA Control
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/linux/Documentation/devicetree/bindings/soc/qcom/
H A Dqcom,saw2.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andy Gross <agross@kernel.org>
11 - Bjorn Andersson <bjorn.andersson@linaro.org>
19 power-controller that transitions a piece of hardware (like a processor or
27 - enum:
28 - qcom,ipq4019-saw2-cpu
29 - qcom,ipq4019-saw2-l2
30 - qcom,ipq8064-saw2-cpu
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/linux/arch/x86/kernel/
H A Dsmpboot.c1 // SPDX-License-Identifier: GPL-2.0-or-later
13 * Pentium Pro and Pentium-II/Xeon MP machines.
19 * Alan Cox : By repeated request 8) - Total BogoMIPS report.
32 * Martin J. Bligh : Added support for multi-quad systems
86 #include <asm/intel-family.h>
88 #include <asm/spec-ctrl.h>
92 #include <asm/spec-ctrl.h>
161 if (!--smpboot_warm_reset_vector_count) { in smpboot_restore_warm_reset_vector()
239 * 32-bit specific. 64-bit reaches this code with the correct page in start_secondary()
270 * synchronization state to ALIVE and spin-waits for the control CPU to in start_secondary()
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/linux/drivers/media/v4l2-core/
H A Dv4l2-ctrls-api.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2010-2021 Hans Verkuil <hverkuil@kernel.org>
8 #define pr_fmt(fmt) "v4l2-ctrls: " fmt
13 #include <media/v4l2-ctrls.h>
14 #include <media/v4l2-dev.h>
15 #include <media/v4l2-device.h>
16 #include <media/v4l2-event.h>
17 #include <media/v4l2-ioctl.h>
19 #include "v4l2-ctrls-priv.h"
29 * same cluster, or 0 if there isn't any.
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/linux/fs/dlm/
H A Dlowcomms.c1 // SPDX-License-Identifier: GPL-2.0-only
5 ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
6 ** Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
15 * This is the "low-level" comms layer.
18 * from other nodes in the cluster.
20 * Cluster nodes are referred to by their nodeids. nodeids are
21 * simply 32 bit numbers to the locking module - if they need to
22 * be expanded for the cluster infrastructure then that is its
25 * whatever it needs for inter-node communication.
29 * up to the mid-level comms layer (which understands the
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/linux/Documentation/arch/arm/samsung/
H A Dbootloader-interface.rst14 In the document "boot loader" means any of following: U-boot, proprietary
19 1. Non-Secure mode
65 3. Other (regardless of secure/non-secure mode)
72 0x0908 Non-zero Secondary CPU boot up indicator
79 AFTR - ARM Off Top Running, a low power mode, Cortex cores and many other
81 MCPM - Multi-Cluster Power Management
/linux/drivers/edac/
H A Dx38_edac.c3 * Copyright (C) 2008 Cluster Computing, Inc.
18 #include <linux/io-64-nonatomic-lo-hi.h>
29 /* Intel X38 register addresses - device 0 function 0 - DRAM Controller */
55 * 9 LOCK to non-DRAM Memory Flag (LCKF)
59 * 1 Multi-bit DRAM ECC Error Flag (DMERR)
60 * 0 Single-bit DRAM ECC Error Flag (DSERR)
67 /* Intel MMIO register space - device 0 function 0 - MMR space */
154 pdev = to_pci_dev(mci->pdev); in x38_clear_error_info()
168 void __iomem *window = mci->pvt_info; in x38_get_and_clear_error_info()
170 pdev = to_pci_dev(mci->pdev); in x38_get_and_clear_error_info()
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/linux/fs/ntfs/
H A Dmft.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Part of this file is based on code from the NTFS-3G.
6 * Copyright (c) 2001-2012 Anton Altaparmakov and Tuxera Inc.
21 * ntfs_mft_record_check - Check the consistency of an MFT record
26 * Returns 0 if the checks are successful. If not, return -EIO.
32 struct super_block *sb = vol->sb; in ntfs_mft_record_check()
34 if (!ntfs_is_file_record(m->magic)) { in ntfs_mft_record_check()
40 if (le16_to_cpu(m->usa_ofs) & 0x1 || in ntfs_mft_record_check()
41 (vol->mft_record_size >> NTFS_BLOCK_SIZE_BITS) + 1 != le16_to_cpu(m->usa_count) || in ntfs_mft_record_check()
42 le16_to_cpu(m->usa_ofs) + le16_to_cpu(m->usa_count) * 2 > vol->mft_record_size) { in ntfs_mft_record_check()
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/linux/arch/arm/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
49 # https://github.com/llvm/llvm-project/commit/d130f402642fba3d065aacb506cb061c899558de
166 The ARM series is a line of low-power-consumption RISC chip designs
168 handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
169 manufactured, but legacy ARM-based PC hardware remains popular in
177 relocations. The combined range is -/+ 256 MiB, which is usually
270 Patch phys-to-virt and virt-to-phys translation functions at
274 This can only be used with non-XIP MMU kernels where the base
320 bool "MMU-based Paged Memory Management Support"
323 Select if you want MMU-based virtualised addressing space
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/linux/drivers/media/dvb-frontends/
H A Dnxt200x.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Support for NXT2002 and NXT2004 - VSB/QAM
6 * Copyright (C) 2006-2014 Michael Krufky <mkrufky@linuxtv.org>
8 * and nxt2004 by Jean-Francois Thibert <jeanfrancois@sagetv.com>
15 * B2C2/BBTI Technisat Air2PC - ATSC (NXT2002)
31 #define NXT2002_DEFAULT_FIRMWARE "dvb-fe-nxt2002.fw"
32 #define NXT2004_DEFAULT_FIRMWARE "dvb-fe-nxt2004.fw"
63 if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) { in i2c_writebytes()
66 return -EREMOTEIO; in i2c_writebytes()
76 if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) { in i2c_readbytes()
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/linux/drivers/eisa/
H A Deisa.ids6 # Marc Zyngier <maz@wild-wind.fr.eu.org>
10 ABP0510 "Advansys ABP-510 ISA SCSI Host Adapter"
11 ABP0540 "Advansys ABP-540/542 ISA SCSI Host Adapter"
12 ABP7401 "AdvanSys ABP-740/742 EISA Single Channel SCSI Host Adapter"
13 ABP7501 "AdvanSys ABP-750/752 EISA Dual Channel SCSI Host Adapter"
14 ACC1200 "ACCTON EtherCombo-32 Ethernet Adapter"
15 ACC120A "ACCTON EtherCombo-32 Ethernet Adapter"
25 ACE7010 "ACME Multi-Function Board"
39 ACR1711 "AcerFrame 1000 486/33 SYSTEM-2"
41 ACR3211 "AcerFrame 3000MP 486 SYSTEM-1"
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/linux/fs/ext4/
H A Dextents.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2003-2006, Cluster File Systems, Inc, info@clusterfs.com
15 * - ext4*_error() should be used in some situations
16 * - analyze all BUG()/BUG_ON(), use -EIO where appropriate
17 * - smart tree reduction
54 csum = ext4_chksum(ei->i_csum_seed, (__u8 *)eh, in ext4_extent_block_csum()
64 if (!ext4_has_feature_metadata_csum(inode->i_sb)) in ext4_extent_block_csum_verify()
68 if (et->et_checksum != ext4_extent_block_csum(inode, eh)) in ext4_extent_block_csum_verify()
78 if (!ext4_has_feature_metadata_csum(inode->i_sb)) in ext4_extent_block_csum_set()
82 et->et_checksum = ext4_extent_block_csum(inode, eh); in ext4_extent_block_csum_set()
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/linux/fs/xfs/
H A Dxfs_inode.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2006 Silicon Graphics, Inc.
55 * bringing in of the extents from disk for a file in b-tree format. If the
56 * inode is in b-tree format, then we need to lock the inode exclusively until
71 if (xfs_need_iread_extents(&ip->i_df)) in xfs_ilock_data_map_shared()
83 if (xfs_inode_has_attr_fork(ip) && xfs_need_iread_extents(&ip->i_af)) in xfs_ilock_attr_map_shared()
111 * multi-reader locks: invalidate_lock and the i_lock. This routine allows
119 * i_rwsem -> invalidate_lock -> page_lock -> i_ilock
123 * i_rwsem -> page lock -> mmap_lock
124 * mmap_lock -> invalidate_lock -> page_lock
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/linux/drivers/soc/tegra/fuse/
H A Dfuse-tegra.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2013-2023, NVIDIA CORPORATION. All rights reserved.
13 #include <linux/nvmem-consumer.h>
14 #include <linux/nvmem-provider.h>
54 { .compatible = "nvidia,tegra20-car", },
55 { .compatible = "nvidia,tegra30-car", },
56 { .compatible = "nvidia,tegra114-car", },
57 { .compatible = "nvidia,tegra124-car", },
58 { .compatible = "nvidia,tegra132-car", },
59 { .compatible = "nvidia,tegra210-car", },
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