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/openbmc/linux/drivers/counter/
H A Dstm32-lptimer-cnt.c1 // SPDX-License-Identifier: GPL-2.0
3 * STM32 Low-Power Timer Encoder and Counter driver
9 * Inspired by 104-quad-8 and stm32-timer-trigger drivers.
14 #include <linux/counter.h>
15 #include <linux/mfd/stm32-lptimer.h>
37 ret = regmap_read(priv->regmap, STM32_LPTIM_CR, &val); in stm32_lptim_is_enabled()
51 ret = regmap_write(priv->regmap, STM32_LPTIM_CR, val); in stm32_lptim_set_enable_state()
56 clk_disable(priv->clk); in stm32_lptim_set_enable_state()
57 priv->enabled = false; in stm32_lptim_set_enable_state()
62 ret = regmap_write(priv->regmap, STM32_LPTIM_ARR, priv->ceiling); in stm32_lptim_set_enable_state()
[all …]
H A Dstm32-timer-cnt.c1 // SPDX-License-Identifier: GPL-2.0
3 * STM32 Timer Encoder and Counter driver
10 #include <linux/counter.h>
11 #include <linux/mfd/stm32-timers.h>
46 static int stm32_count_read(struct counter_device *counter, in stm32_count_read() argument
49 struct stm32_timer_cnt *const priv = counter_priv(counter); in stm32_count_read()
52 regmap_read(priv->regmap, TIM_CNT, &cnt); in stm32_count_read()
58 static int stm32_count_write(struct counter_device *counter, in stm32_count_write() argument
61 struct stm32_timer_cnt *const priv = counter_priv(counter); in stm32_count_write()
64 regmap_read(priv->regmap, TIM_ARR, &ceiling); in stm32_count_write()
[all …]
/openbmc/linux/include/linux/
H A Dpm_runtime.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * pm_runtime.h - Device run-time power management helper functions.
98 * pm_runtime_get_if_in_use - Conditionally bump up runtime PM usage counter.
101 * Increment the runtime PM usage counter of @dev if its runtime PM status is
102 * %RPM_ACTIVE and its runtime PM usage counter is greater than 0.
110 * pm_suspend_ignore_children - Set runtime PM behavior regarding children.
120 dev->power.ignore_children = enable; in pm_suspend_ignore_children()
124 * pm_runtime_get_noresume - Bump up runtime PM usage counter of a device.
129 atomic_inc(&dev->power.usage_count); in pm_runtime_get_noresume()
133 * pm_runtime_put_noidle - Drop runtime PM usage counter of a device.
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/openbmc/linux/tools/testing/selftests/netfilter/
H A Dconntrack_icmp_related.sh3 # check that ICMP df-needed/pkttoobig icmp are set are set as related
8 # nsclient1 -> nsrouter1 -> nsrouter2 -> nsclient2
9 # MTU 1500, except for nsrouter2 <-> nsclient2 link (1280).
15 # nat of "established" icmp-echo "connection".
17 # Kselftest framework requirement - SKIP code is 4.
21 nft --version > /dev/null 2>&1
22 if [ $? -ne 0 ];then
27 ip -Version > /dev/null 2>&1
28 if [ $? -ne 0 ];then
41 echo -n 192.168.$1.2
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H A Dconntrack_vrf.sh38 sfx=$(mktemp -u "XXXXXXXX")
39 ns0="ns0-$sfx"
40 ns1="ns1-$sfx"
50 nft --version > /dev/null 2>&1
51 if [ $? -ne 0 ];then
56 ip -Version > /dev/null 2>&1
57 if [ $? -ne 0 ];then
63 if [ $? -ne 0 ];then
71 ip netns exec $ns0 sysctl -q -w net.ipv4.conf.default.rp_filter=0
72 ip netns exec $ns0 sysctl -q -w net.ipv4.conf.all.rp_filter=0
[all …]
H A Dconntrack_tcp_unreplied.sh2 # SPDX-License-Identifier: GPL-2.0
7 # Kselftest framework requirement - SKIP code is 4.
12 sfx=$(mktemp -u "XXXXXXXX")
13 ns1="ns1-$sfx"
14 ns2="ns2-$sfx"
16 nft --version > /dev/null 2>&1
17 if [ $? -ne 0 ];then
22 ip -Version > /dev/null 2>&1
23 if [ $? -ne 0 ];then
37 echo -n 192.168.$1.2
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H A Dnft_flowtable.sh2 # SPDX-License-Identifier: GPL-2.0
7 # Originator (MTU 9000) <-Router1-> MTU 1500 <-Router2-> Responder (MTU 2000)
14 # nft_flowtable.sh -o8000 -l1500 -r2000
17 sfx=$(mktemp -u "XXXXXXXX")
18 ns1="ns1-$sfx"
19 ns2="ns2-$sfx"
20 nsr1="nsr1-$sfx"
21 nsr2="nsr2-$sfx"
23 # Kselftest framework requirement - SKIP code is 4.
31 log_netns=$(sysctl -n net.netfilter.nf_log_all_netns)
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H A Dnft_queue.sh7 # Kselftest framework requirement - SKIP code is 4.
11 sfx=$(mktemp -u "XXXXXXXX")
12 ns1="ns1-$sfx"
13 ns2="ns2-$sfx"
14 nsrouter="nsrouter-$sfx"
26 rm -f "$TMPFILE0"
27 rm -f "$TMPFILE1"
28 rm -f "$TMPFILE2" "$TMPFILE3"
31 nft --version > /dev/null 2>&1
32 if [ $? -ne 0 ];then
[all …]
H A Dnft_meta.sh5 # Kselftest framework requirement - SKIP code is 4.
7 sfx=$(mktemp -u "XXXXXXXX")
8 ns0="ns0-$sfx"
10 if ! nft --version > /dev/null 2>&1; then
21 ip -net "$ns0" link set lo up
22 ip -net "$ns0" addr add 127.0.0.1 dev lo
27 lastyear=$((currentyear-1))
28 ip netns exec "$ns0" nft -f /dev/stdin <<EOF
30 counter iifcount {}
31 counter iifnamecount {}
[all …]
H A Dnft_synproxy.sh2 # SPDX-License-Identifier: GPL-2.0
5 # Kselftest framework requirement - SKIP code is 4.
9 rnd=$(mktemp -u XXXXXXXX)
10 nsr="nsr-$rnd" # synproxy machine
11 ns1="ns1-$rnd" # iperf client
12 ns2="ns2-$rnd" # iperf server
21 checktool "nft --version" "run test without nft tool"
22 checktool "ip -Version" "run test without ip tool"
23 checktool "iperf3 --version" "run test without iperf3"
26 modprobe -q nf_conntrack
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H A Dnft_nat_zones.sh6 # Kselftest framework requirement - SKIP code is 4.
17 # client1---.
18 # veth1-.
20 # NAT Gateway --veth0--> Server
22 # veth2-' |
23 # client2---' |
25 # clientX----vethX---'
30 # clientsaddr:10000 -> serveraddr:dport
34 sfx=$(mktemp -u "XXXXXXXX")
35 gw="ns-gw-$sfx"
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/openbmc/linux/Documentation/devicetree/bindings/mfd/
H A Dst,stm32-timers.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mfd/st,stm32-timers.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - advanced-control timers consist of a 16-bit auto-reload counter driven
14 - general-purpose timers consist of a 16-bit or 32-bit auto-reload counter
16 - basic timers consist of a 16-bit auto-reload counter driven by a
20 - Fabrice Gasnier <fabrice.gasnier@foss.st.com>
24 const: st,stm32-timers
32 clock-names:
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/openbmc/linux/Documentation/power/
H A Druntime_pm.rst5 (C) 2009-2011 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc.
18 put their PM-related work items. It is strongly recommended that pm_wq be
20 them to be synchronized with system-wide power transitions (suspend to RAM,
53 The ->runtime_suspend(), ->runtime_resume() and ->runtime_idle() callbacks
57 1. PM domain of the device, if the device's PM domain object, dev->pm_domain,
60 2. Device type of the device, if both dev->type and dev->type->pm are present.
62 3. Device class of the device, if both dev->class and dev->class->pm are
65 4. Bus type of the device, if both dev->bus and dev->bus->pm are present.
69 dev->driver->pm directly (if present).
73 and bus type. Moreover, the high-priority one will always take precedence over
[all …]
/openbmc/qemu/tests/unit/
H A Dtest-aio-multithread.c10 * See the COPYING.LIB file in the top-level directory.
17 #include "qemu/error-report.h"
26 static __thread int id = -1;
41 data->cb(data->arg); in ctx_run_bh_cb()
148 * is scheduled there is no guarantee that it will actually be woken up, in test_multi_co_schedule_entry()
179 /* Guarantee that each AioContext is woken up from its last wait. */ in test_multi_co_schedule()
201 /* CoMutex thread-safety. */
205 static uint32_t counter; variable
213 counter++; in test_multi_co_mutex_entry()
218 * exits before the coroutine is woken up, causing a spurious in test_multi_co_mutex_entry()
[all …]
/openbmc/linux/Documentation/arch/arm64/
H A Damu.rst9 Date: 2019-09-10
16 ---------------------
23 system register interface to the counter registers and also supports an
24 optional external memory-mapped interface.
26 Version 1 of the Activity Monitors architecture implements a counter group
27 of four fixed and architecturally defined 64-bit event counters.
29 - CPU cycle counter: increments at the frequency of the CPU.
30 - Constant counter: increments at the fixed frequency of the system
32 - Instructions retired: increments with every architecturally executed
34 - Memory stall cycles: counts instruction dispatch stall cycles caused by
[all …]
/openbmc/linux/drivers/gpu/drm/i915/display/
H A Dintel_vblank.c1 // SPDX-License-Identifier: MIT
3 * Copyright © 2022-2023 Intel Corporation
25 * increment frame counter (ctg+)
30 * | may be shifted forward 1-3 extra lines via TRANSCONF
37 * ----va---> <-----------------vb--------------------> <--------va-------------
38 * | | <----vs-----> |
39 …* -vbs-----> <---vbs+1---> <---vbs+2---> <-----0-----> <-----1-----> <-----2--- (scanline counter …
40 …* -vbs-2---> <---vbs-1---> <---vbs-----> <---vbs+1---> <---vbs+2---> <-----0--- (scanline counter …
41 …* -vbs-2---> <---vbs-2---> <---vbs-1---> <---vbs-----> <---vbs+1---> <---vbs+2- (scanline counter …
44 * | increment frame counter (gen3/4)
[all …]
/openbmc/linux/tools/perf/pmu-events/arch/x86/ivytown/
H A Duncore-cache.json9 "BriefDescription": "Counter 0 Occupancy",
13 …counter, this event allows a user to capture occupancy related information by filtering the Cb0 oc…
21 … LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numer…
30 … LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numer…
39 … LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numer…
48 … LLC was accessed - this includes code, data, prefetches and hints coming from L2. This has numer…
57 …- this includes code, data, prefetches and hints coming from L2. This has numerous filters availa…
188 "BriefDescription": "LRU Queue; Non-0 Aged Victim",
192 "PublicDescription": "How often we picked a victim that had a non-zero age",
201 …-- a clockwise ring and a counter-clockwise ring. On the left side of the ring, the UP direction …
[all …]
/openbmc/u-boot/drivers/serial/
H A Dmcfuart.c1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2004-2007 Freescale Semiconductor, Inc.
4 * TsiChung Liew, Tsi-Chung.Liew@freescale.com.
29 u32 counter; in mcf_serial_init_common() local
34 writeb(UART_UCR_RESET_RX, &uart->ucr); in mcf_serial_init_common()
35 writeb(UART_UCR_RESET_TX, &uart->ucr); in mcf_serial_init_common()
36 writeb(UART_UCR_RESET_ERROR, &uart->ucr); in mcf_serial_init_common()
37 writeb(UART_UCR_RESET_MR, &uart->ucr); in mcf_serial_init_common()
40 writeb(0, &uart->uimr); in mcf_serial_init_common()
43 writeb(UART_UCSR_RCS_SYS_CLK | UART_UCSR_TCS_SYS_CLK, &uart->ucsr); in mcf_serial_init_common()
[all …]
/openbmc/linux/drivers/net/wireless/ti/wl18xx/
H A Dwl18xx.h1 /* SPDX-License-Identifier: GPL-2.0-only */
43 /* number of keys requiring extra spare mem-blocks */
63 * is short lived, for multi-channel Tx requirements.
72 /* number of packets to queue up for a link in PS */
75 /* number of packet to queue up for a suspended link */
89 * link before we stop queuing up packets for it.
94 * link before we stop queuing up packets for it.
102 /* Cumulative counter of released packets per AC */
105 /* Cumulative counter of freed packets per HLID */
108 /* Cumulative counter of released Voice memory blocks */
[all …]
/openbmc/linux/tools/testing/selftests/powerpc/ptrace/
H A Dptrace-perf-hwbreak.c1 // SPDX-License-Identifier: GPL-2.0+
126 attr->type = PERF_TYPE_BREAKPOINT; in perf_user_event_attr_set()
127 attr->size = sizeof(struct perf_event_attr); in perf_user_event_attr_set()
128 attr->bp_type = HW_BREAKPOINT_R; in perf_user_event_attr_set()
129 attr->bp_addr = (u64)addr; in perf_user_event_attr_set()
130 attr->bp_len = len; in perf_user_event_attr_set()
131 attr->exclude_kernel = 1; in perf_user_event_attr_set()
132 attr->exclude_hv = 1; in perf_user_event_attr_set()
140 return perf_event_open(&attr, child_pid, -1, -1, 0); in perf_watchpoint_open()
146 * A perf counter is retrieved by the read() syscall. It contains in perf_read_counter()
[all …]
/openbmc/linux/drivers/net/ethernet/sun/
H A Dsunhme.h1 /* SPDX-License-Identifier: GPL-2.0 */
37 #define GREG_STAT_RCNTEXP 0x00000002 /* Receive frame counter expired */
38 #define GREG_STAT_ACNTEXP 0x00000004 /* Align-error counter expired */
39 #define GREG_STAT_CCNTEXP 0x00000008 /* CRC-error counter expired */
40 #define GREG_STAT_LCNTEXP 0x00000010 /* Length-error counter expired */
42 #define GREG_STAT_CVCNTEXP 0x00000040 /* Code-violation counter expired */
46 #define GREG_STAT_MAXPKTERR 0x00000400 /* Max-packet size error */
47 #define GREG_STAT_NCNTEXP 0x00000800 /* Normal-collision counter expired */
48 #define GREG_STAT_ECNTEXP 0x00001000 /* Excess-collision counter expired */
49 #define GREG_STAT_LCCNTEXP 0x00002000 /* Late-collision counter expired */
[all …]
/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-bus-counter1 What: /sys/bus/counter/devices/counterX/cascade_counts_enable
3 Contact: linux-iio@vger.kernel.org
5 Indicates the cascading of Counts on Counter X.
9 What: /sys/bus/counter/devices/counterX/external_input_phase_clock_select
11 Contact: linux-iio@vger.kernel.org
14 Counter X.
16 MTCLKA-MTCLKB:
20 MTCLKC-MTCLKD:
24 What: /sys/bus/counter/devices/counterX/external_input_phase_clock_select_available
26 Contact: linux-iio@vger.kernel.org
[all …]
/openbmc/linux/drivers/power/reset/
H A Dat91-poweroff.c5 * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
28 #define AT91_SHDW_WKMODE0 GENMASK(2, 0) /* Wake-up 0 Mode Selection */
29 #define AT91_SHDW_CPTWK0_MAX 0xf /* Maximum Counter On Wake Up 0 */
30 #define AT91_SHDW_CPTWK0 (AT91_SHDW_CPTWK0_MAX << 4) /* Counter On Wake Up 0 */
32 #define AT91_SHDW_RTTWKEN BIT(16) /* Real Time Timer Wake-up Enable */
33 #define AT91_SHDW_RTCWKEN BIT(17) /* Real Time Clock Wake-up Enable */
36 #define AT91_SHDW_WAKEUP0 BIT(0) /* Wake-up 0 Status */
37 #define AT91_SHDW_RTTWK BIT(16) /* Real-time Timer Wake-up */
38 #define AT91_SHDW_RTCWK BIT(17) /* Real-time Clock Wake-up [SAM9RL] */
65 /* Simple power-on, just bail out */ in at91_wakeup_status()
[all …]
/openbmc/linux/tools/perf/pmu-events/arch/x86/graniterapids/
H A Dpipeline.json21 …counter. This event can approximate elapsed time while the core was not in a halt state. It is cou…
29 …counter. This event can approximate elapsed time while the core was not in a halt state. It is cou…
36 …e the core was not in the halt state. It is counted on a dedicated fixed counter, leaving the eigh…
48 "BriefDescription": "Number of instructions retired. Fixed Counter - architectural event",
51 …- an Architectural PerfMon event. Counting continues during hardware interrupts, traps, and inside…
56 "BriefDescription": "Number of instructions retired. General Counter - architectural event",
60 …- an Architectural PerfMon event. Counting continues during hardware interrupts, traps, and inside…
72 … the Topdown Slots event that were not consumed by the back-end pipeline due to lack of back-end r…
75 …-end pipeline due to lack of back-end resources, as a result of memory subsystem delays, execution…
80 …"BriefDescription": "TMA slots available for an unhalted logical processor. Fixed counter - archit…
[all …]
/openbmc/u-boot/tools/
H A Dmrvl_uart.sh2 # SPDX-License-Identifier: GPL-2.0
44 if [[ -z "$port" || -z "$file" ]]
46 echo -e "\nMarvell recovery image downloader for Armada SoC family."
47 echo -e "Command syntax:"
48 echo -e "\t$(basename $0) <port> <file> [2|4|8]"
49 echo -e "\tport - serial port the target board is connected to"
50 echo -e "\tfile - recovery boot image for target download"
51 echo -e "\t2|4|8 - times to increase the default serial port speed by"
52 echo -e "For example - load the image over ttyUSB0 @ 460800 baud:"
53 echo -e "$(basename $0) /dev/ttyUSB0 /tmp/flash-image.bin 4\n"
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