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/linux/Documentation/devicetree/bindings/powerpc/fsl/
H A Dpamu.txt1 Freescale Peripheral Management Access Unit (PAMU) Device Tree Binding
5 The PAMU is an I/O MMU that provides device-to-memory access control and
10 - compatible : <string>
11 First entry is a version-specific string, such as
12 "fsl,pamu-v1.0". The second is "fsl,pamu".
13 - ranges : <prop-encoded-array>
20 - interrupts : <prop-encoded-array>
25 - #address-cells: <u32>
27 - #size-cells : <u32>
31 - reg : <prop-encoded-array>
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/linux/Documentation/arch/sparc/oradax/
H A Ddax-hv-api.txt3 Publication date 2017-09-25 08:21
5 Extracted via "pdftotext -f 547 -l 572 -layout sun4v_20170925.pdf"
16 live-migration and other system management activities.
20 …high speed processoring of database-centric operations. The coprocessors may support one or more of
24 …The DAX is a virtual device to sun4v guests, with supported data operations indicated by the virtu…
28 …e Completion Area and, unless execution order is specifically restricted through the use of serial-
45 …device node in the guest MD (Section 8.24.17, “Database Analytics Accelerators (DAX) virtual-device
49 The query functionality may vary based on the compatibility property of the virtual device:
51 36.1.1.1. "ORCL,sun4v-dax" Device Compatibility
54 • No-op/Sync
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/linux/arch/arm/mach-bcm/
H A Dplatsmp.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2014-2015 Broadcom Corporation
12 #include <linux/irqchip/irq-bcm2836.h>
33 /* Name of device node property defining secondary boot register location */
34 #define OF_SECONDARY_BOOT "secondary-boot-reg"
54 return -ENXIO; in scu_a9_enable()
61 return -ENOENT; in scu_a9_enable()
68 return -ENOMEM; in scu_a9_enable()
84 pr_err("Failed to find device tree node for CPU%u\n", cpu); in secondary_boot_addr_for()
91 pr_err("required secondary boot register not specified for CPU%u\n", in secondary_boot_addr_for()
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/linux/include/linux/
H A Dpci-epf.h1 /* SPDX-License-Identifier: GPL-2.0 */
13 #include <linux/device.h>
22 NO_BAR = -1,
32 * struct pci_epf_header - represents standard configuration header
33 * @vendorid: identifies device manufacturer
34 * @deviceid: identifies a particular device
35 * @revid: specifies a device-specific revision identifier
36 * @progif_code: identifies a specific register-level programming interface
37 * @subclass_code: identifies more specifically the function of the device
38 * @baseclass_code: broadly classifies the type of function the device performs
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H A Ddio.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Maybe this should handle DIO-II later?
19 * range from 0-63 (DIO) and 132-255 (DIO-II).
22 * So DIO cards cover [0x600000-0x800000); the areas [0x200000-0x400000) and
23 * [0x800000-0x1000000) are for additional space required by things
24 * like framebuffers. [0x400000-0x600000) is for miscellaneous internal I/O.
27 * DIO-II boards are at 0x1000000 + (sc - 132) * 0x400000
28 * which is address range [0x1000000-0x20000000) -- too big to map completely,
29 * so currently we just don't handle DIO-II boards. It wouldn't be hard to
33 #include <linux/device.h>
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/linux/drivers/block/drbd/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # DRBD device driver configuration
10 tristate "DRBD Distributed Replicated Block Device support"
19 DRBD is a shared-nothing, synchronously replicated block device. It
21 clusters and in this context, is a "drop-in" replacement for shared
24 Each minor device has a role, which can be 'primary' or 'secondary'.
25 On the node with the primary device the application is supposed to
26 run and to access the device (/dev/drbdX). Every write is sent to
27 the local 'lower level block device' and, across the network, to the
28 node with the device in 'secondary' state. The secondary device
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H A Ddrbd_state.h1 /* SPDX-License-Identifier: GPL-2.0-only */
24 * is in secondary role.
66 CS_LOCAL_ONLY = 1 << 4, /* Do not consider a device pair wide state change */
87 unsigned role:2 ; /* 3/4 primary/secondary/unknown */
88 unsigned peer:2 ; /* 3/4 primary/secondary/unknown */
106 unsigned peer:2 ; /* 3/4 primary/secondary/unknown */
107 unsigned role:2 ; /* 3/4 primary/secondary/unknown */
115 extern enum drbd_state_rv drbd_change_state(struct drbd_device *device,
144 extern void drbd_resume_al(struct drbd_device *device);
148 * drbd_request_state() - Request a state change
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/linux/sound/soc/qcom/qdsp6/
H A Dq6afe.h1 /* SPDX-License-Identifier: GPL-2.0 */
28 /* Clock ID for Secondary I2S IBIT */
30 /* Clock ID for Secondary I2S EBIT */
77 /* Clock ID for Secondary PCM IBIT */
79 /* Clock ID for Secondary PCM EBIT */
100 /** Clock ID for Secondary TDM IBIT */
102 /** Clock ID for Secondary TDM EBIT */
217 struct q6afe_port *q6afe_port_get_from_id(struct device *dev, int id);
234 int q6afe_set_lpass_clock(struct device *dev, int clk_id, int attri,
236 int q6afe_vote_lpass_core_hw(struct device *dev, uint32_t hw_block_id,
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/linux/drivers/net/ethernet/mellanox/mlx5/core/lib/
H A Dsd.c1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
12 dev_info((__dev)->device, "Socket-Direct: " format, ##__VA_ARGS__)
14 dev_warn((__dev)->device, "Socket-Direct: " format, ##__VA_ARGS__)
24 struct mlx5_core_dev *secondaries[MLX5_SD_MAX_GROUP_SZ - 1];
27 struct { /* secondary */
41 return sd->host_buses; in mlx5_sd_get_host_buses()
51 return sd->primary ? dev : sd->primary_dev; in mlx5_sd_get_primary()
66 return sd->secondaries[idx - 1]; in mlx5_sd_primary_get_peer()
192 return -ENOMEM; in sd_init()
194 sd->host_buses = host_buses; in sd_init()
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/linux/Documentation/fb/
H A Dviafb.rst6 --------
15 ---------------
16 Device: CRT, LCD, DVI
34 ----------------------
47 - 640x480 (default)
48 - 720x480
49 - 800x600
50 - 1024x768
53 - 8, 16, 32 (default:32)
56 - 60, 75, 85, 100, 120 (default:60)
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H A Dmatroxfb.rst16 * Most important: boot logo :-)
34 box) and matroxfb (for graphics mode). You should not compile-in vesafb
35 unless you have primary display on non-Matrox VBE2.0 device (see
43 -------------
58 -------------------------
73 ----------
86 Non-listed number can be achieved by more complicated command-line, for
93 XF{68,86}_FBDev should work just fine, but it is non-accelerated. On non-intel
97 Running another (accelerated) X-Server like XF86_SVGA works too. But (at least)
100 driver is possible, but you must not enable DRI - if you do, resolution and
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/linux/Documentation/PCI/endpoint/
H A Dpci-ntb-howto.rst1 .. SPDX-License-Identifier: GPL-2.0
4 PCI Non-Transparent Bridge (NTB) Endpoint Function (EPF) User Guide
9 This document is a guide to help users use pci-epf-ntb function driver
13 Documentation/PCI/endpoint/pci-ntb-function.rst
15 Endpoint Device
19 ---------------------------
27 2900000.pcie-ep 2910000.pcie-ep
32 2900000.pcie-ep 2910000.pcie-ep
36 -------------------------
40 # ls /sys/bus/pci-epf/drivers
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H A Dpci-endpoint-cfs.rst1 .. SPDX-License-Identifier: GPL-2.0
20 mount -t configfs none /sys/kernel/config
26 functions. Every EPC device present in the system will have an entry in
35 Creating EPF Device
44 ... <EPF Device 11>/
45 ... <EPF Device 21>/
46 ... <EPF Device 31>/
48 ... <EPF Device 12>/
49 ... <EPF Device 22>/
51 In order to create a <EPF device> of the type probed by <EPF Driver>, the
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/linux/Documentation/devicetree/bindings/sound/
H A Dti,tlv320adc3xxx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ricard Wanderlof <ricardw@axis.com>
18 - $ref: dai-common.yaml#
23 - ti,tlv320adc3001
24 - ti,tlv320adc3101
30 '#sound-dai-cells':
33 '#gpio-cells':
36 gpio-controller: true
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/linux/drivers/media/rc/img-ir/
H A Dimg-ir-hw.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Copyright 2010-2014 Imagination Technologies Ltd.
12 #include <media/rc-core.h>
18 #define IMG_IR_CODETYPE_BIPHASE 0x2 /* RC-5/6 */
19 #define IMG_IR_CODETYPE_2BITPULSEPOS 0x3 /* RC-MM */
25 * struct img_ir_control - Decoder control settings
34 * @decodend2: Secondary decoder enable (no leader symbol)
36 * @bitinvd2: Secondary decoder bit inversion switch (1=don't invert)
53 * struct img_ir_timing_range - range of timing values
65 * struct img_ir_symbol_timing - timing data for a symbol
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/linux/arch/arm/mach-versatile/
H A Dplatsmp.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * woken, and where there is no way to hot-unplug CPUs. Real platforms
14 #include <linux/device.h>
29 volatile int versatile_cpu_release = -1;
45 * calibrations on the secondary CPU while the requesting CPU is using
46 * the limited-bandwidth bus - which affects the calibration value.
57 versatile_write_cpu_release(-1); in versatile_secondary_init()
72 * and the secondary one in versatile_boot_secondary()
77 * This is really belt and braces; we hold unintended secondary in versatile_boot_secondary()
85 * Send the secondary CPU a soft interrupt, thereby causing in versatile_boot_secondary()
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/linux/Documentation/devicetree/bindings/arm/bcm/
H A Dbrcm,bcm63138.txt1 Broadcom BCM63138 DSL System-on-a-Chip device tree bindings
2 -----------------------------------------------------------
4 Boards compatible with the BCM63138 DSL System-on-a-Chip should have the
11 An optional Boot lookup table Device Tree node is required for secondary CPU
13 defined in reset/brcm,bcm63138-pmb.txt for this secondary CPU, and an
14 'enable-method' property.
17 - compatible: should be "brcm,bcm63138-bootlut"
18 - reg: register base address and length for the Boot Lookup table
21 - enable-method: should be "brcm,bcm63138"
23 Optional properties for the secondary CPU node:
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/linux/arch/powerpc/kexec/
H A Dcore_64.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2004-2005, IBM Corp.
35 #include <asm/crashdump-ppc64.h>
51 for (i = 0; i < image->nr_segments; i++) in machine_kexec_prepare()
52 if (image->segment[i].mem < __pa(_end)) in machine_kexec_prepare()
53 return -ETXTBSY; in machine_kexec_prepare()
57 basep = of_get_property(node, "linux,tce-base", NULL); in machine_kexec_prepare()
58 sizep = of_get_property(node, "linux,tce-size", NULL); in machine_kexec_prepare()
65 for (i = 0; i < image->nr_segments; i++) { in machine_kexec_prepare()
66 begin = image->segment[i].mem; in machine_kexec_prepare()
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/linux/drivers/ata/
H A Dpata_mpiix.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * pata_mpiix.c - Intel MPIIX PATA for new ATA layer
4 * (C) 2005-2006 Red Hat Inc
15 * be IDE class PCI. This requires slightly non-standard probe logic compared
16 * with PCI IDE and also that we do not disable the device when our driver is
24 * configuration the secondary port of the MPIIX is disabled and the addresses
46 SECONDARY = (1 << 14) enumerator
51 struct ata_port *ap = link->ap; in mpiix_pre_reset()
52 struct pci_dev *pdev = to_pci_dev(ap->host->dev); in mpiix_pre_reset()
56 return -ENOENT; in mpiix_pre_reset()
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H A Dpata_jmicron.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * pata_jmicron.c - JMicron ATA driver for non AHCI mode. This drives the
16 #include <linux/device.h>
31 * jmicron_pre_reset - check for 40/80 pin
38 * either as primary or secondary (or neither). We don't do any policy
44 struct ata_port *ap = link->ap; in jmicron_pre_reset()
45 struct pci_dev *pdev = to_pci_dev(ap->host->dev); in jmicron_pre_reset()
48 int port_mask = 1<< (4 * ap->port_no); in jmicron_pre_reset()
49 int port = ap->port_no; in jmicron_pre_reset()
55 return -ENOENT; in jmicron_pre_reset()
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/linux/Documentation/arch/s390/
H A Dqeth.rst9 -------
11 To generate the events the device must be assigned a role of either
12 a primary or a secondary Bridge Port. For more information, see
13 "z/VM Connectivity, SC24-6174".
16 of some configured Bridge Port device on the channel changes, a udev
18 ccwgroup device. The event has the following attributes:
21 indicates that the Bridge Port device changed
24 ROLE={primary|secondary|none}
32 It is emitted on behalf of the corresponding ccwgroup device when a host
33 or a VLAN is registered or unregistered on the network served by the device.
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/linux/Documentation/devicetree/bindings/soc/fsl/
H A Dfsl,layerscape-dcfg.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/soc/fsl/fsl,layerscape-dcfg.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale Layerscape Device Configuration Unit
10 - Shawn Guo <shawnguo@kernel.org>
13 DCFG is the device configuration unit, that provides general purpose
14 configuration and status for the device. Such as setting the secondary
15 core start address and release the secondary core from holdoff and
21 - items:
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/linux/drivers/video/fbdev/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
7 tristate "Support for frame buffer device drivers"
11 The frame buffer device provides an abstraction for the graphics
14 a well-defined interface, so the software doesn't need to know
15 anything about the low-level (hardware register) stuff.
20 server exists which uses the frame buffer device exclusively.
21 On several non-X86 architectures, the frame buffer device is the
24 The device is accessed through special device nodes, usually located
29 and the Framebuffer-HOWTO at
30 <http://www.munted.org.uk/programming/Framebuffer-HOWTO-1.3.html> for more
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/linux/kernel/irq/
H A Dmanage.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 1992, 1998-2006 Linus Torvalds, Ingo Molnar
4 * Copyright (C) 2005-2006 Thomas Gleixner
50 while (irqd_irq_inprogress(&desc->irq_data)) in __synchronize_hardirq()
53 /* Ok, that indicated we're done: double-check carefully. */ in __synchronize_hardirq()
54 raw_spin_lock_irqsave(&desc->lock, flags); in __synchronize_hardirq()
55 inprogress = irqd_irq_inprogress(&desc->irq_data); in __synchronize_hardirq()
70 raw_spin_unlock_irqrestore(&desc->lock, flags); in __synchronize_hardirq()
77 * synchronize_hardirq - wait for pending hard IRQ handlers (on other CPUs)
91 * This function may be called - with care - from IRQ context.
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/linux/arch/sparc/kernel/
H A Dsbus.c1 // SPDX-License-Identifier: GPL-2.0
37 #define IOMMU_CONTROL (0x2400UL - 0x2400UL) /* IOMMU control register */
38 #define IOMMU_TSBBASE (0x2408UL - 0x2400UL) /* TSB base address register */
39 #define IOMMU_FLUSH (0x2410UL - 0x2400UL) /* IOMMU flush register */
40 #define IOMMU_VADIAG (0x4400UL - 0x2400UL) /* SBUS virtual address diagnostic */
41 #define IOMMU_TAGCMP (0x4408UL - 0x2400UL) /* TLB tag compare diagnostics */
42 #define IOMMU_LRUDIAG (0x4500UL - 0x2400UL) /* IOMMU LRU queue diagnostics */
43 #define IOMMU_TAGDIAG (0x4580UL - 0x2400UL) /* TLB tag diagnostics */
44 #define IOMMU_DRAMDIAG (0x4600UL - 0x2400UL) /* TLB data RAM diagnostics */
50 #define STRBUF_CONTROL (0x2800UL - 0x2800UL) /* Control */
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