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/linux/Documentation/devicetree/bindings/mailbox/
H A 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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H A 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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/linux/arch/powerpc/sysdev/
H A 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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H A 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 */
H A Dfsl_rio.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
24 #include <linux/dma-mapping.h>
40 #undef DEBUG_PW /* Port-Write debugging */
79 "3: li %1,-1\n" \
85 : "b" (addr), "i" (-EFAULT), "0" (err))
114 entry = search_exception_tables(regs->nip); in fsl_rio_mcheck_exception()
116 pr_debug("RIO: %s - MC Exception handled\n", in fsl_rio_mcheck_exception()
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/linux/Documentation/scsi/
H A 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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H A 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
[all …]
/linux/drivers/scsi/
H A 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/lib/
H A 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/drivers/i2c/busses/
H A 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>
48 #define ICR_IUE (1 << 6) /* unit enable */
56 #define ICR_UR (1 << 14) /* unit reset */
59 #define ICR_A3700_FM (1 << 16) /* fast mode for armada-3700 */
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/linux/drivers/iommu/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
2 # The IOVA library may also be used by non-IOMMU_API users
40 sizes at both stage-1 and stage-2, as well as address spaces
41 up to 48-bits in size.
47 Enable self-tests for LPAE page table allocator. This performs
48 a series of page-table consistency checks during boot.
57 Enable support for the ARM Short-descriptor pagetable format.
58 This supports 32-bit virtual and physical addresses mapped using
59 2-level tables with 4KB pages/1MB sections, and contiguous entries
66 Enable self-tests for ARMv7s page table allocator. This performs
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/linux/Documentation/networking/
H A 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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H A 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/drivers/irqchip/
H A Dirq-mvebu-icu.c5 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
23 #include <linux/irqchip/irq-msi-lib.h>
25 #include <dt-bindings/interrupt-controller/mvebu-icu.h>
71 struct msi_domain_info *info = d->host_data; in mvebu_icu_translate()
72 struct mvebu_icu_msi_data *msi_data = info->chip_data; in mvebu_icu_translate()
73 struct mvebu_icu *icu = msi_data->icu; in mvebu_icu_translate()
76 if (WARN_ON(fwspec->param_count != param_count)) { in mvebu_icu_translate()
77 dev_err(icu->dev, "wrong ICU parameter count %d\n", in mvebu_icu_translate()
78 fwspec->param_count); in mvebu_icu_translate()
79 return -EINVAL; in mvebu_icu_translate()
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/linux/drivers/s390/char/
H A Dtape_3590.c1 // SPDX-License-Identifier: GPL-2.0
38 * - Read Opposite: implemented
39 * - Read Device (buffered) log: BRA
40 * - Read Library log: BRA
41 * - Swap Devices: BRA
42 * - Long Busy: implemented
43 * - Special Intercept: BRA
44 * - Read Alternate: implemented
58 [0x25] = "Read-Only Format",
95 [0xa8] = "Vision System non-operational",
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/linux/drivers/scsi/sym53c8xx_2/
H A 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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H A Dsym_glue.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 *-----------------------------------------------------------------------------
63 * Print a message with severity.
121 * If the CPU and the chip use same endian-ness addressing,
166 int unit; member
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/linux/arch/powerpc/platforms/powernv/
H A 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/drivers/scsi/aic7xxx/
H A 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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/linux/tools/testing/selftests/mm/
H A Drun_vmtests.sh2 # SPDX-License-Identifier: GPL-2.0
5 # Kselftest framework requirement - SKIP code is 4.
16 usage: ${BASH_SOURCE[0]:-$0} [ options ]
18 -a: run all tests, including extra ones (other than destructive ones)
19 -t: specify specific categories to tests to run
20 -h: display this message
21 -n: disable TAP output
22 -d: run destructive tests
24 The default behavior is to run required tests only. If -a is specified,
28 to the -t argument containing one or more of the following categories
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/linux/Documentation/driver-api/
H A 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/Documentation/admin-guide/device-mapper/
H A 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/include/scsi/
H A Dscsi_device.h1 /* SPDX-License-Identifier: GPL-2.0 */
8 #include <linux/blk-mq.h>
49 * originate in the mid-layer) */
50 SDEV_OFFLINE, /* Device offlined (by error handling or
86 /* put union of data structures, for non-simple event types,
92 * struct scsi_vpd - SCSI Vital Product Data
107 /* the next two are protected by the host->host_lock */
130 * vendor-specifi
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/linux/tools/testing/selftests/tc-testing/
H A Dtdc.py2 # SPDX-License-Identifier: GPL-2.0
5 tdc.py - Linux tc (Traffic Control) unit test driver
35 def __init__(self, stage, output, message): argument
38 self.message = message
55 mn = fn[0:-3]
61 pgname = pgname[0:-3]
72 self.plugin_instances[-1][1].check_args(self.args, None)
101 pgd = ['plugin-lib', 'plugin-lib-custom']
189 description='Linux TC unit tests')
224 foutput = serr.decode("utf-8", errors="ignore")
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/linux/include/linux/spi/
H A Dspi.h1 /* SPDX-License-Identifier: GPL-2.0-or-later
38 * INTERFACES between SPI controller-side drivers and SPI target protocol handlers,
44 * struct spi_statistics - statistics for spi transfers
45 * @syncp: seqcount to protect members in this struct for per-cpu update
46 * on 32-bit systems
48 * @messages: number of spi-message
124 u8 unit; global() member
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