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/linux/Documentation/devicetree/bindings/pinctrl/
A Dcanaan,k210-fpioa.yaml13 The Canaan Kendryte K210 SoC Fully Programmable IO Array (FPIOA)
15 48 IO pins of the SoC. Pin function configuration is performed on
58 List of IO pins alternate functions. The values for each IO
59 pin is a combination of an IO pin number (0 to 47) with the
60 desired function for the IO pin. Functions are defined as
62 The K210_FPIOA(IO pin, function) macro is provided to
63 facilitate the combination of IO pin numbers and functions.
84 be used for the SoC pin groups A0 (IO pins 0-5),
85 A1 (IO pins 6-11), A2 (IO pins 12-17), B0 (IO pins 18-23),
86 B1 (IO pins 24-29), B2 (IO pins 30-35), B3 (IO pins 30-35),
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/linux/arch/alpha/kernel/
A Dmachvec_impl.h98 #define IO(UP,low) \ macro
103 #define DO_APECS_IO IO(APECS,apecs)
104 #define DO_CIA_IO IO(CIA,cia)
105 #define DO_IRONGATE_IO IO(IRONGATE,irongate)
106 #define DO_LCA_IO IO(LCA,lca)
107 #define DO_MARVEL_IO IO(MARVEL,marvel)
108 #define DO_MCPCIA_IO IO(MCPCIA,mcpcia)
109 #define DO_POLARIS_IO IO(POLARIS,polaris)
110 #define DO_T2_IO IO(T2,t2)
111 #define DO_TSUNAMI_IO IO(TSUNAMI,tsunami)
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/linux/drivers/scsi/pm8001/
A Dpm80xx_hwi.c111 pm8001_dbg(pm8001_ha, IO, in pm80xx_get_fatal_dump()
166 pm8001_dbg(pm8001_ha, IO, in pm80xx_get_fatal_dump()
232 pm8001_dbg(pm8001_ha, IO, in pm80xx_get_fatal_dump()
255 pm8001_dbg(pm8001_ha, IO, in pm80xx_get_fatal_dump()
2008 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_completion()
2017 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_completion()
2026 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_completion()
2058 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_completion()
2067 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_completion()
2076 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_completion()
[all …]
A Dpm8001_hwi.c1978 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_completion()
1985 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_completion()
2008 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_completion()
2021 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_completion()
2084 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_completion()
2167 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_event()
2190 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_event()
2203 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_event()
2235 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_event()
2241 pm8001_dbg(pm8001_ha, IO, in mpi_ssp_event()
[all …]
/linux/Documentation/translations/zh_CN/core-api/
A Dgfp_mask-from-fs-io.rst16 从FS/IO上下文中使用的GFP掩码
25 文件系统和IO栈中的代码路径在分配内存时必须小心，以防止因直接调用FS或IO路径的内
42 没有内存分配可以追溯到FS/IO中。
49 然后，FS/IO代码在任何与回收有关的关键部分开始之前简单地调用适当的保存函数
/linux/Documentation/x86/i386/
A DIO-APIC.rst4 IO-APIC
9 Most (all) Intel-MP compliant SMP boards have the so-called 'IO-APIC',
12 IO-APIC, interrupts from hardware will be delivered only to the
16 multiple IO-APICs. Multiple IO-APICs are used in high-end servers to
23 If your box boots fine with enabled IO-APIC IRQs, then your
28 0: 1360293 IO-APIC-edge timer
29 1: 4 IO-APIC-edge keyboard
32 14: 1448 IO-APIC-edge ide0
33 16: 28232 IO-APIC-level Intel EtherExpress Pro 10/100 Ethernet
34 17: 51304 IO-APIC-level eth0
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/linux/Documentation/block/
A Dblk-mq.rst4 Multi-Queue Block IO Queueing Mechanism (blk-mq)
7 The Multi-Queue Block IO Queueing Mechanism is an API to enable fast storage
9 through queueing and submitting IO requests to block devices simultaneously,
19 development of the kernel. The Block IO subsystem aimed to achieve the best
32 The former design had a single queue to store block IO requests with a single
45 for instance), blk-mq takes action: it will store and manage IO requests to
52 cases that it might not do that: if there's an IO scheduler attached at the
65 The block IO subsystem adds requests in the software staging queues
82 improve IO performance, by an IO scheduler.
84 IO Schedulers
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/linux/Documentation/PCI/
A Dboot-interrupts.rst13 interrupt messages (Assert_INTx/Deassert_INTx). The integrated IO-APIC in a
14 given Core IO converts the legacy interrupt messages from PCI Express to
15 MSI interrupts. If the IO-APIC is disabled (via the mask bits in the
16 IO-APIC table entries), the messages are routed to the legacy PCH. This
18 did not support the IO-APIC and for boot. Intel in the past has used the
22 describe problems with the Core IO handling of INTx message routing to the
79 Starting with ICX there are no longer any IO-APICs in the Core IO's
80 devices. IO-APIC is only in the PCH. Devices connected to the Core IO's
105 PCH - they are either converted into MSI via the integrated IO-APIC
106 (if the IO-APIC mask bit is clear in the appropriate entries)
/linux/drivers/message/fusion/lsi/
A Dmpi_history.txt88 * 03-11-05 01.05.07 Removed function codes for SCSI IO 32 and
91 * 06-24-05 01.05.08 Added function codes for SCSI IO 32 and
273 * Added IO Unit Page 3.
372 * Added IO Unit Page 4.
443 * of SAS IO Unit Page 0.
447 * IO Unit Page 2.
479 * fields to SAS IO Unit Page 1.
503 * of SAS IO Unit Page.
546 * for SCSI IO requests.
560 * Removed SCSI IO 32 Request.
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/linux/drivers/pci/hotplug/
A Dibmphp_res.c98 case IO: in alloc_bus_range()
132 case IO: in alloc_bus_range()
384 case IO: in add_bus_range()
407 case IO: in add_bus_range()
457 case IO: in update_resources()
491 case IO: in fix_me()
600 case IO: in ibmphp_add_resource()
778 case IO: in ibmphp_remove_resource()
922 case IO: in find_range()
992 case IO: in ibmphp_check_resource()
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/linux/drivers/net/ethernet/amd/
A Datarilance.c234 #define DREG IO->data
235 #define AREG IO->addr
470 struct lance_ioreg *IO; in lance_probe1() local
540 i = IO->mem; in lance_probe1()
591 i = IO->eeprom; in lance_probe1()
596 i = IO->mem; in lance_probe1()
640 struct lance_ioreg *IO = lp->iobase; in lance_open() local
729 struct lance_ioreg *IO = lp->iobase; in lance_tx_timeout() local
773 struct lance_ioreg *IO = lp->iobase; in lance_start_xmit() local
850 struct lance_ioreg *IO; in lance_interrupt() local
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/linux/Documentation/fb/
A Ddeferred_io.rst2 Deferred IO
5 Deferred IO is a way to delay and repurpose IO. It uses host memory as a
7 IO. The following example may be a useful explanation of how one such setup
11 - deferred IO and driver sets up fault and page_mkwrite handlers
62 2. Setup your deferred IO callback. Eg::
67 The deferred_io callback is where you would perform all your IO to the display
/linux/block/
A DKconfig80 the IO rate to a device. IO rate policies are per cgroup and
82 cgroups and specifying per device IO rate policies.
114 bool "Enable support for latency based cgroup IO protection"
117 Enabling this option enables the .latency interface for IO throttling.
118 The IO controller will attempt to maintain average IO latencies below
134 bool "Enable support for cost model based cgroup IO controller"
140 model based proportional IO control. The IO controller
141 distributes IO capacity between different groups based on
/linux/Documentation/translations/zh_CN/PCI/
A Dpci.rst241 后确定MMIO和IO端口资源的可用性。
244 范围）和 ``request_region()`` （用于IO端口范围）。对于那些不被 "正常 "PCI BAR描
337 - 禁用设备对MMIO/IO端口地址的响应
338 - 释放MMIO/IO端口资源
390 禁止设备对MMIO/IO端口地址做出响应
392 io_unmap() MMIO或IO端口资源，然后调用pci_disable_device()。
397 释放MMIO/IO端口资源
399 调用pci_release_region()来标记MMIO或IO端口范围为可用。
/linux/Documentation/admin-guide/cgroup-v1/
A Dblkio-controller.rst2 Block IO Controller
8 a need of various kinds of IO control policies (like proportional BW, max BW)
11 and based on user options switch IO policies in the background.
13 One IO control policy is throttling policy which can be used to
14 specify upper IO rate limits on devices. This policy is implemented in
23 Enable Block IO controller::
85 Block IO controller.
253 Specifies upper limit on READ rate from the device. IO rate is
260 Specifies upper limit on WRITE rate to the device. IO rate is
267 Specifies upper limit on READ rate from the device. IO rate is
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/linux/arch/arm/boot/dts/
A Dsun7i-a20-bananapi.dts240 "TXD0", "RXD0", "IO-1", "PH3", "USB0-IDDET", "PH5", "", "",
242 "", "", "", "", "IO-4", "IO-5", "", "EMAC-PWR-EN",
245 "", "", "", "IO-GCLK", "", "", "", "",
248 "IO-6", "IO-3", "IO-2", "IO-0", "", "", "", "",
A Darmada-xp-mv78460.dtsi93 0x81000000 0x1 0 MBUS_ID(0x04, 0xe0) 0 1 0 /* Port 0.0 IO */
95 0x81000000 0x2 0 MBUS_ID(0x04, 0xd0) 0 1 0 /* Port 0.1 IO */
97 0x81000000 0x3 0 MBUS_ID(0x04, 0xb0) 0 1 0 /* Port 0.2 IO */
99 0x81000000 0x4 0 MBUS_ID(0x04, 0x70) 0 1 0 /* Port 0.3 IO */
102 0x81000000 0x5 0 MBUS_ID(0x08, 0xe0) 0 1 0 /* Port 1.0 IO */
104 0x81000000 0x6 0 MBUS_ID(0x08, 0xd0) 0 1 0 /* Port 1.1 IO */
106 0x81000000 0x7 0 MBUS_ID(0x08, 0xb0) 0 1 0 /* Port 1.2 IO */
108 0x81000000 0x8 0 MBUS_ID(0x08, 0x70) 0 1 0 /* Port 1.3 IO */
111 0x81000000 0x9 0 MBUS_ID(0x04, 0xf0) 0 1 0 /* Port 2.0 IO */
114 0x81000000 0xa 0 MBUS_ID(0x08, 0xf0) 0 1 0 /* Port 3.0 IO */>;
A Darmada-xp-mv78260.dtsi75 0x81000000 0x1 0 MBUS_ID(0x04, 0xe0) 0 1 0 /* Port 0.0 IO */
77 0x81000000 0x2 0 MBUS_ID(0x04, 0xd0) 0 1 0 /* Port 0.1 IO */
79 0x81000000 0x3 0 MBUS_ID(0x04, 0xb0) 0 1 0 /* Port 0.2 IO */
81 0x81000000 0x4 0 MBUS_ID(0x04, 0x70) 0 1 0 /* Port 0.3 IO */
84 0x81000000 0x5 0 MBUS_ID(0x08, 0xe0) 0 1 0 /* Port 1.0 IO */
86 0x81000000 0x6 0 MBUS_ID(0x08, 0xd0) 0 1 0 /* Port 1.1 IO */
88 0x81000000 0x7 0 MBUS_ID(0x08, 0xb0) 0 1 0 /* Port 1.2 IO */
90 0x81000000 0x8 0 MBUS_ID(0x08, 0x70) 0 1 0 /* Port 1.3 IO */
93 0x81000000 0x9 0 MBUS_ID(0x04, 0xf0) 0 1 0 /* Port 2.0 IO */>;
A Domap-zoom-common.dtsi19 reg = <3 0 8>; /* CS3, offset 0, IO size 8 */
55 reg = <3 0x100 8>; /* CS3, offset 0x100, IO size 8 */
66 reg = <3 0x200 8>; /* CS3, offset 0x200, IO size 8 */
77 reg = <3 0x300 8>; /* CS3, offset 0x300, IO size 8 */
/linux/drivers/infiniband/ulp/rtrs/
A DREADME8 transport. It is optimized to transfer (read/write) IO blocks.
53 The new rkey is sent back to the client along with the IO result.
55 registration on each IO causes performance drop of up to 20%. A user of the
97 side or network outage in an absence of IO.
117 IO path
131 inflight IO and for the error code.
145 first, when it finishes, pass the IO to RNBD server module.
149 inflight IO and for the error code. The new rkey is sent back using
151 the message and finished IO after update rkey for the rbuffer, then post
171 outstanding inflight IO and the error code.
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/linux/Documentation/networking/device_drivers/ethernet/huawei/
A Dhinic.rst63 card by AEQs. Also set the addresses of the IO CMDQs in HW.
66 IO components:
69 Completion Event Queues(CEQs) - The completion Event Queues that describe IO
77 Command Queues(CMDQ) - The queues for sending commands for IO management and is
85 IO - de/constructs all the IO components. (hinic_hw_io.c, hinic_hw_io.h)
91 initialization of the driver and the IO components on the case of Interface
/linux/tools/perf/Documentation/
A Dperf-timechart.txt20 but it's possible to record IO (disk, network) activity using -I argument.
25 events or IO events.
27 In IO mode, every bar has two charts: upper and lower.
70 Don't draw EAGAIN IO events.
73 to see very small and fast IO. It's possible to specify ms or us
118 Record system-wide IO events:
/linux/Documentation/devicetree/bindings/pci/
A Dmvebu-pci.txt108 0x81000000 0x1 0 MBUS_ID(0x04, 0xe0) 0 1 0 /* Port 0.0 IO */
110 0x81000000 0x2 0 MBUS_ID(0x04, 0xd0) 0 1 0 /* Port 0.1 IO */
112 0x81000000 0x3 0 MBUS_ID(0x04, 0xb0) 0 1 0 /* Port 0.2 IO */
114 0x81000000 0x4 0 MBUS_ID(0x04, 0x70) 0 1 0 /* Port 0.3 IO */
117 0x81000000 0x5 0 MBUS_ID(0x08, 0xe0) 0 1 0 /* Port 1.0 IO */
119 0x81000000 0x6 0 MBUS_ID(0x08, 0xd0) 0 1 0 /* Port 1.1 IO */
121 0x81000000 0x7 0 MBUS_ID(0x08, 0xb0) 0 1 0 /* Port 1.2 IO */
123 0x81000000 0x8 0 MBUS_ID(0x08, 0x70) 0 1 0 /* Port 1.3 IO */
126 0x81000000 0x9 0 MBUS_ID(0x04, 0xf0) 0 1 0 /* Port 2.0 IO */
129 0x81000000 0xa 0 MBUS_ID(0x08, 0xf0) 0 1 0 /* Port 3.0 IO */>;
/linux/Documentation/ABI/testing/
A Dconfigfs-iio6 This represents Industrial IO configuration entry point
14 Industrial IO software triggers directory.
27 Industrial IO software devices directory.
/linux/arch/x86/
A DKconfig.debug128 prompt "IO delay type"
132 bool "port 0x80 based port-IO delay [recommended]"
134 This is the traditional Linux IO delay used for in/out_p.
138 bool "port 0xed based port-IO delay"
140 Use port 0xed as the IO delay. This frees up port 0x80 which is
144 bool "udelay based port-IO delay"
146 Use udelay(2) as the IO delay method. This provides the delay
147 while not having any side-effect on the IO port space.
150 bool "no port-IO delay"
152 No port-IO delay. Will break on old boxes that require port-IO

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