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/Linux-v6.1/Documentation/devicetree/bindings/mailbox/
Damlogic,meson-gxbb-mhu.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: "http://devicetree.org/schemas/mailbox/amlogic,meson-gxbb-mhu.yaml#"
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
8 title: Amlogic Meson Message-Handling-Unit Controller
11 - Neil Armstrong <neil.armstrong@linaro.org>
14 The Amlogic's Meson SoCs Message-Handling-Unit (MHU) is a mailbox controller
24 - amlogic,meson-gxbb-mhu
35 "#mbox-cells":
39 - compatible
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Darm,mhu.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jassi Brar <jaswinder.singh@linaro.org>
13 The ARM's Message-Handling-Unit (MHU) is a mailbox controller that has 3
22 interrupt signal using a 32-bit register, with all 32-bits logically ORed
28 interrupt. Each of the 32-bits can be used as "doorbell" to alert the remote
37 - arm,mhu
38 - arm,mhu-doorbell
40 - compatible
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Darm,mhuv2.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tushar Khandelwal <tushar.khandelwal@arm.com>
11 - Viresh Kumar <viresh.kumar@linaro.org>
14 The Arm Message Handling Unit (MHU) Version 2 is a mailbox controller that has
15 between 1 and 124 channel windows (each 32-bit wide) to provide unidirectional
33 - Data-transfer: Each transfer is made of one or more words, using one or more
36 - Doorbell: Each transfer is made up of single bit flag, using any one of the
49 - arm,mhuv2-tx
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/Linux-v6.1/arch/powerpc/sysdev/
Dfsl_rmu.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * - fixed maintenance access routines, check for aligned access
11 * - Added Port-Write message handling
12 * - Added Machine Check exception handling
16 * Lian Minghuan-B31939 <Minghuan.Lian@freescale.com>
24 #include <linux/dma-mapping.h>
33 (((struct rio_priv *)(mport->priv))->rmm_handle)
35 /* RapidIO definition irq, which read from OF-tree */
36 #define IRQ_RIO_PW(m) (((struct fsl_rio_pw *)(m))->pwirq)
37 #define IRQ_RIO_BELL(m) (((struct fsl_rio_dbell *)(m))->bellirq)
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Dfsl_rio.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
7 * - fixed maintenance access routines, check for aligned access
11 * - Added Port-Write message handling
12 * - Added Machine Check exception handling
16 * Lian Minghuan-B31939 <Minghuan.Lian@freescale.com>
30 #define RIO_REGS_WIN(mport) (((struct rio_priv *)(mport->priv))->regs_win)
113 void *rmm_handle; /* RapidIO message manager(unit) Handle */
/Linux-v6.1/Documentation/scsi/
DChangeLog.sym53c8xx1 Sat May 12 12:00 2001 Gerard Roudier (groudier@club-internet.fr)
2 * version sym53c8xx-1.7.3c
3 - Ensure LEDC bit in GPCNTL is cleared when reading the NVRAM.
4 Fix sent by Stig Telfer <stig@api-networks.com>.
5 - Backport from SYM-2 the work-around that allows to support
7 - Check that we received at least 8 bytes of INQUIRY response
9 - Define scsi_set_pci_device() as nil for kernel < 2.4.4.
10 - + A couple of minor changes.
12 Sat Apr 7 19:30 2001 Gerard Roudier (groudier@club-internet.fr)
13 * version sym53c8xx-1.7.3b
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DChangeLog.lpfc2 * Please read the associated RELEASE-NOTES file !!!
8 * Fixed build warning for 2.6.12-rc2 kernels: mempool_alloc now
19 * Removed FC_TRANSPORT_PATCHESxxx defines. They're in 2.6.12-rc1.
26 * Added PCI ID for LP10000-S.
31 * Zero-out response sense length in lpfc_scsi_prep_cmnd to prevent
33 - was causing spurious 0710 messages.
55 - stop using volatile. if you need special ordering use memory
57 - switch lpfc_sli_pcimem_bcopy to take void * arguments.
58 - remove typecast for constants - a U postfix marks them
60 - add a MAILBOX_CMD_SIZE macro, as most users of
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/Linux-v6.1/drivers/i2c/busses/
Di2c-pxa.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Copyright (C) 2004-2005 Deep Blue Solutions Ltd.
13 * Jan 2003: Fixed several bugs concerning interrupt handling [Kai-Uwe Bloem]
14 * Jan 2003: added limited signal handling [Kai-Uwe Bloem]
15 * Sep 2004: Major rework to ensure efficient bus handling [RMK]
17 * Feb 2005: Rework slave mode handling [RMK]
34 #include <linux/platform_data/i2c-pxa.h>
47 #define ICR_IUE (1 << 6) /* unit enable */
55 #define ICR_UR (1 << 14) /* unit reset */
58 #define ICR_A3700_FM (1 << 16) /* fast mode for armada-3700 */
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/Linux-v6.1/drivers/scsi/
Dpmcraid.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * pmcraid.h -- PMC Sierra MaxRAID controller driver header file
5 * Written By: Anil Ravindranath<anil_ravindranath@pmc-sierra.com>
6 * PMC-Sierra Inc
39 #define PMC_BIT8(n) (1 << (7-n))
40 #define PMC_BIT16(n) (1 << (15-n))
41 #define PMC_BIT32(n) (1 << (31-n))
58 /* MAX_IOADLS : max number of scatter-gather lists supported by IOA
197 /* structure to represent a scatter-gather element (IOADL descriptor) */
526 /* pmcraid_sglist - Scatter-gather list allocated for passthrough ioctls
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/Linux-v6.1/lib/
DKconfig.debug1 # SPDX-License-Identifier: GPL-2.0-only
19 parameter printk.time=1. See Documentation/admin-guide/kernel-parameters.rst
27 to every message.
50 int "Default console loglevel (1-15)"
60 Note: This does not affect the log level of un-prefixed printk()
65 int "quiet console loglevel (1-15)"
76 int "Default message log level (1-7)"
82 This was hard-coded to KERN_WARNING since at least 2.6.10 but folks
86 Note: This does not affect what message level gets printed on the console
91 bool "Delay each boot printk message by N milliseconds"
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/Linux-v6.1/arch/powerpc/platforms/cell/
Dinterrupt.c1 // SPDX-License-Identifier: GPL-2.0-or-later
13 * - Fix various assumptions related to HW CPU numbers vs. linux CPU numbers
15 * - Implement proper handling of maxcpus=1/2 (that is, routing of irqs from
16 * a non-active node to the active node)
33 #include <asm/cell-regs.h>
52 unsigned char unit = bits.source & 0xf; in iic_pending_to_hwnum() local
60 return (node << IIC_IRQ_NODE_SHIFT) | (class << 4) | unit; in iic_pending_to_hwnum()
74 out_be64(&iic->regs->prio, iic->eoi_stack[--iic->eoi_ptr]); in iic_eoi()
75 BUG_ON(iic->eoi_ptr < 0); in iic_eoi()
79 .name = "CELL-IIC",
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/Linux-v6.1/Documentation/x86/x86_64/
Dboot-options.rst1 .. SPDX-License-Identifier: GPL-2.0
36 with OS's error handling, and you cannot deactivate the agent,
39 Do not opt-in to Local MCE delivery. Use legacy method
55 Don't overwrite the bios-set CMCI threshold. This boot option
62 Force-enable recoverable machine check code paths
73 Use IO-APIC. Default
76 Don't use the IO-APIC.
85 See Documentation/x86/i386/IO-APIC.rst
91 Don't check the IO-APIC timer. This can work around
154 There are some built-in platform specific "quirks" - you may see:
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/Linux-v6.1/Documentation/networking/
Dkcm.rst1 .. SPDX-License-Identifier: GPL-2.0
7 Kernel Connection Multiplexor (KCM) is a mechanism that provides a message based
14 +------------+ +------------+ +------------+ +------------+
16 +------------+ +------------+ +------------+ +------------+
18 +-----------+ | | +----------+
20 +----------------------------------+
22 +----------------------------------+
24 +---------+ | | | ------------+
26 +----------+ +----------+ +----------+ +----------+ +----------+
28 +----------+ +----------+ +----------+ +----------+ +----------+
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Dcan.rst2 SocketCAN - Controller Area Network
20 .. _socketcan-motivation:
29 functionality. Usually, there is only a hardware-specific device
32 Queueing of frames and higher-level transport protocols like ISO-TP
34 character-device implementations support only one single process to
47 protocol family module and also vice-versa. Also, the protocol family
57 communicate using a specific transport protocol, e.g. ISO-TP, just
60 CAN-IDs, frames, etc.
62 Similar functionality visible from user-space could be provided by a
74 * **Abstraction:** In most existing character-device implementations, the
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/Linux-v6.1/drivers/s390/char/
Dtape_3590.c1 // SPDX-License-Identifier: GPL-2.0
37 * - Read Opposite: implemented
38 * - Read Device (buffered) log: BRA
39 * - Read Library log: BRA
40 * - Swap Devices: BRA
41 * - Long Busy: implemented
42 * - Special Intercept: BRA
43 * - Read Alternate: implemented
57 [0x25] = "Read-Only Format",
94 [0xa8] = "Vision System non-operational",
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/Linux-v6.1/drivers/scsi/sym53c8xx_2/
Dsym_hipd.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 * of PCI-SCSI IO processors.
6 * Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr>
9 * Copyright (C) 1998-2000 Gerard Roudier
12 * a port of the FreeBSD ncr driver to Linux-1.2.13.
16 * Stefan Esser <se@mi.Uni-Koeln.de>
24 *-----------------------------------------------------------------------------
75 #define sym_verbose (np->verbose)
96 #error "more than 256 tags per logical unit not allowed."
131 * Asynchronous pre-scaler (ns). Shall be 40 for
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/Linux-v6.1/drivers/irqchip/
Dirq-mvebu-icu.c5 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
23 #include <dt-bindings/interrupt-controller/mvebu-icu.h>
75 const struct mvebu_icu_subset_data *subset = msi_data->subset_data; in mvebu_icu_init()
77 if (atomic_cmpxchg(&msi_data->initialized, false, true)) in mvebu_icu_init()
80 /* Set 'SET' ICU SPI message address in AP */ in mvebu_icu_init()
81 writel_relaxed(msg[0].address_hi, icu->base + subset->offset_set_ah); in mvebu_icu_init()
82 writel_relaxed(msg[0].address_lo, icu->base + subset->offset_set_al); in mvebu_icu_init()
84 if (subset->icu_group != ICU_GRP_NSR) in mvebu_icu_init()
87 /* Set 'CLEAR' ICU SPI message address in AP (level-MSI only) */ in mvebu_icu_init()
88 writel_relaxed(msg[1].address_hi, icu->base + subset->offset_clr_ah); in mvebu_icu_init()
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/Linux-v6.1/arch/powerpc/platforms/powernv/
Dopal-hmi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * OPAL hypervisor Maintenance interrupt handling support in PowerNV.
62 "Hypervisor Resource error - core check stop" }, in print_core_checkstop_reason()
74 if (!hmi_evt->u.xstop_error.xstop_reason) { in print_core_checkstop_reason()
80 be32_to_cpu(hmi_evt->u.xstop_error.u.pir)); in print_core_checkstop_reason()
82 if (be32_to_cpu(hmi_evt->u.xstop_error.xstop_reason) & in print_core_checkstop_reason()
84 printk("%s [Unit: %-3s] %s\n", level, in print_core_checkstop_reason()
125 if (!hmi_evt->u.xstop_error.xstop_reason) { in print_nx_checkstop_reason()
131 be32_to_cpu(hmi_evt->u.xstop_error.u.chip_id)); in print_nx_checkstop_reason()
133 if (be32_to_cpu(hmi_evt->u.xstop_error.xstop_reason) & in print_nx_checkstop_reason()
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/Linux-v6.1/drivers/scsi/aic7xxx/
Daic79xx.h4 * Copyright (c) 1994-2002 Justin T. Gibbs.
5 * Copyright (c) 2000-2002 Adaptec Inc.
19 * 3. Neither the names of the above-listed copyright holders nor the names
78 SCSIID_OUR_ID((scb)->hscb->scsiid)
80 SCSIID_TARGET((ahd), (scb)->hscb->scsiid)
82 SCSIID_CHANNEL(ahd, (scb)->hscb->scsiid)
84 ((scb)->hscb->lun)
92 && (((scb)->flags & SCB_SILENT) != 0))
95 (((scb)->flags & SCB_SILENT) != 0)
103 (tcl & (AHD_NUM_LUNS - 1))
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Daic7xxx.h4 * Copyright (c) 1994-2001 Justin T. Gibbs.
5 * Copyright (c) 2000-2001 Adaptec Inc.
19 * 3. Neither the names of the above-listed copyright holders nor the names
69 (((scsiid) & ((((ahc)->features & AHC_TWIN) != 0) ? TWIN_TID : TID)) \
74 ((((ahc)->features & AHC_TWIN) != 0) \
78 (SCSIID_CHANNEL(ahc, (scb)->hscb->scsiid) == 'B')
80 SCSIID_OUR_ID((scb)->hscb->scsiid)
82 SCSIID_TARGET((ahc), (scb)->hscb->scsiid)
84 SCSIID_CHANNEL(ahc, (scb)->hscb->scsiid)
86 ((scb)->hscb->lun & LID)
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/Linux-v6.1/drivers/iommu/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
2 # The IOVA library may also be used by non-IOMMU_API users
6 # The IOASID library may also be used by non-IOMMU_API users
39 sizes at both stage-1 and stage-2, as well as address spaces
40 up to 48-bits in size.
46 Enable self-tests for LPAE page table allocator. This performs
47 a series of page-table consistency checks during boot.
56 Enable support for the ARM Short-descriptor pagetable format.
57 This supports 32-bit virtual and physical addresses mapped using
58 2-level tables with 4KB pages/1MB sections, and contiguous entries
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/Linux-v6.1/Documentation/driver-api/
Dxillybus.rst10 - Introduction
11 -- Background
12 -- Xillybus Overview
14 - Usage
15 -- User interface
16 -- Synchronization
17 -- Seekable pipes
19 - Internals
20 -- Source code organization
21 -- Pipe attributes
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/Linux-v6.1/Documentation/admin-guide/device-mapper/
Dthin-provisioning.rst8 This document describes a collection of device-mapper targets that
9 between them implement thin-provisioning and snapshots.
27 - Improve metadata resilience by storing metadata on a mirrored volume
28 but data on a non-mirrored one.
30 - Improve performance by storing the metadata on SSD.
40 dm-devel@redhat.com with details and we'll try our best to improve
46 a Red Hat distribution it is named 'device-mapper-persistent-data').
52 They use the dmsetup program to control the device-mapper driver
53 directly. End users will be advised to use a higher-level volume
57 -----------
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/Linux-v6.1/tools/testing/selftests/ftrace/
Dftracetest2 # SPDX-License-Identifier: GPL-2.0-only
4 # ftracetest - Ftrace test shell scripts
10 usage() { # errno [message]
11 [ ! -z "$2" ] && echo $2
12 echo "Usage: ftracetest [options] [testcase(s)] [testcase-directory(s)]"
14 echo " -h|--help Show help message"
15 echo " -k|--keep Keep passed test logs"
16 echo " -v|--verbose Increase verbosity of test messages"
17 echo " -vv Alias of -v -v (Show all results in stdout)"
18 echo " -vvv Alias of -v -v -v (Show all commands immediately)"
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/Linux-v6.1/include/linux/spi/
Dspi.h1 /* SPDX-License-Identifier: GPL-2.0-or-later
31 * INTERFACES between SPI master-side drivers and SPI slave protocol handlers,
37 * struct spi_statistics - statistics for spi transfers
38 * @syncp: seqcount to protect members in this struct for per-cpu udate
39 * on 32-bit systems
41 * @messages: number of spi-messages handled
90 u64_stats_update_begin(&__lstats->syncp); \
91 u64_stats_add(&__lstats->field, count); \
92 u64_stats_update_end(&__lstats->syncp); \
101 u64_stats_update_begin(&__lstats->syncp); \
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