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| /kernel/linux/linux-5.10/Documentation/driver-api/md/ |
| D | raid5-cache.rst | 7 caches data to the RAID disks. The cache can be in write-through (supported
8 since 4.4) or write-back mode (supported since 4.10). mdadm (supported since
9 3.4) has a new option '--write-journal' to create array with cache. Please
10 refer to mdadm manual for details. By default (RAID array starts), the cache is
11 in write-through mode. A user can switch it to write-back mode by::
13 echo "write-back" > /sys/block/md0/md/journal_mode
15 And switch it back to write-through mode by::
17 echo "write-through" > /sys/block/md0/md/journal_mode
19 In both modes, all writes to the array will hit cache disk first. This means
22 write-through mode
[all …]
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| /kernel/linux/linux-4.19/Documentation/md/ |
| D | raid5-cache.txt | 5 caches data to the RAID disks. The cache can be in write-through (supported
6 since 4.4) or write-back mode (supported since 4.10). mdadm (supported since
7 3.4) has a new option '--write-journal' to create array with cache. Please
8 refer to mdadm manual for details. By default (RAID array starts), the cache is
9 in write-through mode. A user can switch it to write-back mode by:
11 echo "write-back" > /sys/block/md0/md/journal_mode
13 And switch it back to write-through mode by:
15 echo "write-through" > /sys/block/md0/md/journal_mode
17 In both modes, all writes to the array will hit cache disk first. This means
20 -------------------------------------
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| /kernel/linux/linux-5.10/include/linux/ |
| D | amd-iommu.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2007-2010 Advanced Micro Devices, Inc.
14 * This is mainly used to communicate information back-and-forth
36 * amd_iommu_enable_device_erratum() - Enable erratum workaround for device
39 * @erratum: The erratum workaround to enable
41 * The function needs to be called before amd_iommu_init_device().
43 * - AMD_PRI_DEV_ERRATUM_ENABLE_RESET - Reset PRI capability when PRI
45 * - AMD_PRI_DEV_ERRATUM_LIMIT_REQ_ONE - Limit number of outstanding PRI
46 * requests to one
54 * amd_iommu_init_device() - Init device for use with IOMMUv2 driver
[all …]
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| /kernel/linux/linux-4.19/include/linux/ |
| D | amd-iommu.h | 2 * Copyright (C) 2007-2010 Advanced Micro Devices, Inc.
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 * This is mainly used to communicate information back-and-forth
48 * amd_iommu_enable_device_erratum() - Enable erratum workaround for device
51 * @erratum: The erratum workaround to enable
53 * The function needs to be called before amd_iommu_init_device().
55 * - AMD_PRI_DEV_ERRATUM_ENABLE_RESET - Reset PRI capability when PRI
57 * - AMD_PRI_DEV_ERRATUM_LIMIT_REQ_ONE - Limit number of outstanding PRI
58 * requests to one
[all …]
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| /kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/icelake/ |
| D | frontend.json | 4 …"PublicDescription": "Counts the number of uops delivered to Instruction Decode Queue (IDQ) from t…
11 "BriefDescription": "Uops delivered to Instruction Decode Queue (IDQ) from MITE path"
15 …": "Counts the number of cycles where optimal number of uops was delivered to the Instruction Deco…
27 …"PublicDescription": "Counts the number of cycles uops were delivered to the Instruction Decode Qu…
39 …"PublicDescription": "Counts the number of uops delivered to Instruction Decode Queue (IDQ) from t…
46 …"BriefDescription": "Uops delivered to Instruction Decode Queue (IDQ) from the Decode Stream Buffe…
50 …": "Counts the number of cycles where optimal number of uops was delivered to the Instruction Deco…
62 …"PublicDescription": "Counts the number of cycles uops were delivered to Instruction Decode Queue …
74 … switches from DSB (Decode Stream Buffer) or MITE (legacy decode pipeline) to the Microcode Sequen…
81 "BriefDescription": "Number of switches from DSB or MITE to the MS",
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| /kernel/linux/linux-5.10/drivers/net/ethernet/intel/ice/ |
| D | ice_fltr.c | 1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2018-2020, Intel Corporation. */
8 * ice_fltr_free_list - free filter lists helper
9 * @dev: pointer to the device struct
10 * @h: pointer to the list head to be freed
12 * Helper function to free filter lists previously created using
20 list_del(&e->list_entry); in ice_fltr_free_list()
26 * ice_fltr_add_entry_to_list - allocate and add filter entry to list
27 * @dev: pointer to device needed by alloc function
28 * @info: filter info struct that gets added to the passed in list
[all …]
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| /kernel/linux/linux-5.10/drivers/mmc/host/ |
| D | sdhci-bcm-kona.c | 25 #include <linux/mmc/slot-gpio.h>
27 #include "sdhci-pltfm.h"
54 struct mutex write_lock; /* protect back to back writes */
63 /* This timeout should be sufficent for core to reset */ in sdhci_bcm_kona_sd_reset()
74 return -EFAULT; in sdhci_bcm_kona_sd_reset()
83 * Back-to-Back register write needs a delay of 1ms at bootup (min 10uS) in sdhci_bcm_kona_sd_reset()
84 * Back-to-Back writes to same register needs delay when SD bus clock in sdhci_bcm_kona_sd_reset()
85 * is very low w.r.t AHB clock, mainly during boot-time and during card in sdhci_bcm_kona_sd_reset()
86 * insert-removal. in sdhci_bcm_kona_sd_reset()
103 /* Enable the AHB clock gating module to the host */ in sdhci_bcm_kona_sd_init()
[all …]
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| /kernel/linux/linux-4.19/drivers/mmc/host/ |
| D | sdhci-bcm-kona.c | 27 #include <linux/mmc/slot-gpio.h>
29 #include "sdhci-pltfm.h"
56 struct mutex write_lock; /* protect back to back writes */
65 /* This timeout should be sufficent for core to reset */ in sdhci_bcm_kona_sd_reset()
76 return -EFAULT; in sdhci_bcm_kona_sd_reset()
85 * Back-to-Back register write needs a delay of 1ms at bootup (min 10uS) in sdhci_bcm_kona_sd_reset()
86 * Back-to-Back writes to same register needs delay when SD bus clock in sdhci_bcm_kona_sd_reset()
87 * is very low w.r.t AHB clock, mainly during boot-time and during card in sdhci_bcm_kona_sd_reset()
88 * insert-removal. in sdhci_bcm_kona_sd_reset()
105 /* Enable the AHB clock gating module to the host */ in sdhci_bcm_kona_sd_init()
[all …]
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| /kernel/linux/linux-5.10/drivers/net/ethernet/netronome/nfp/crypto/ |
| D | tls.c | 1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
35 off = nn->tlv_caps.crypto_enable_off + round_down(opcode / 8, 4); in nfp_net_crypto_set_op()
54 nn->ktls_tx_conn_cnt += add; in __nfp_net_tls_conn_cnt_changed()
55 cnt = nn->ktls_tx_conn_cnt; in __nfp_net_tls_conn_cnt_changed()
56 nn->dp.ktls_tx = !!nn->ktls_tx_conn_cnt; in __nfp_net_tls_conn_cnt_changed()
59 nn->ktls_rx_conn_cnt += add; in __nfp_net_tls_conn_cnt_changed()
60 cnt = nn->ktls_rx_conn_cnt; in __nfp_net_tls_conn_cnt_changed()
63 /* Care only about 0 -> 1 and 1 -> 0 transitions */ in __nfp_net_tls_conn_cnt_changed()
77 /* Use the BAR lock to protect the connection counts */ in nfp_net_tls_conn_cnt_changed()
83 __nfp_net_tls_conn_cnt_changed(nn, -add, direction); in nfp_net_tls_conn_cnt_changed()
[all …]
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| /kernel/linux/linux-5.10/tools/testing/selftests/bpf/benchs/ |
| D | run_bench_ringbufs.sh | 3 set -eufo pipefail
5 RUN_BENCH="sudo ./bench -w3 -d10 -a"
9 echo "$*" | sed -E "s/.*hits\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+M\/s).*/\1/"
14 echo "$*" | sed -E "s/.*drops\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+M\/s).*/\1/"
29 summary=$(echo $2 | tail -n1)
30 printf "%-20s %s (drops %s)\n" "$bench" "$(hits $summary)" "$(drops $summary)"
33 header "Single-producer, parallel producer"
34 for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
38 header "Single-producer, parallel producer, sampled notification"
39 for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
[all …]
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| /kernel/linux/linux-4.19/Documentation/scsi/ |
| D | sd-parameters.txt | 5 ---------------
9 ----------------------------+---------+-------------+------------
12 write back | 1 0 | on | on
13 write back, no read (daft) | 1 1 | on | off
15 To set cache type to "write back" and save this setting to the drive:
17 # echo "write back" > cache_type
19 To modify the caching mode without making the change persistent, prepend
20 "temporary " to the cache type string. E.g.:
22 # echo "temporary write back" > cache_type
|
| /kernel/linux/linux-5.10/tools/power/pm-graph/config/ |
| D | suspend-x2-proc.cfg | 2 # Proc S3 (Suspend to Mem) x2 test - includes user processes
5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/suspend-proc.cfg
14 # ---- General Options ----
26 output-dir: suspend-{hostname}-{date}-{time}-x2-proc
29 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
33 # add the dmesg and ftrace log to the html output (default: false)
40 # ---- Advanced Options ----
42 # Command to execute in lieu of suspend (default: "")
53 # Back to Back Suspend/Resume
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| D | suspend-dev.cfg | 2 # Dev S3 (Suspend to Mem) test - includes src calls / kernel threads
5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/suspend-dev.cfg
14 # ---- General Options ----
26 output-dir: suspend-{hostname}-{date}-{time}-dev
29 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
33 # add the dmesg and ftrace log to the html output (default: false)
40 # ---- Advanced Options ----
42 # Command to execute in lieu of suspend (default: "")
53 # Back to Back Suspend/Resume
[all …]
|
| D | suspend.cfg | 2 # Generic S3 (Suspend to Mem) test
5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/suspend.cfg
14 # ---- General Options ----
26 output-dir: suspend-{hostname}-{date}-{time}
29 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
33 # add the dmesg and ftrace log to the html output (default: false)
40 # ---- Advanced Options ----
42 # Command to execute in lieu of suspend (default: "")
53 # Back to Back Suspend/Resume
[all …]
|
| D | freeze-dev.cfg | 2 # Dev S2 (Freeze) test - includes src calls / kernel threads
5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/freeze-dev.cfg
14 # ---- General Options ----
26 output-dir: freeze-{hostname}-{date}-{time}-dev
29 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
33 # add the dmesg and ftrace log to the html output (default: false)
40 # ---- Advanced Options ----
42 # Command to execute in lieu of freeze (default: "")
53 # Back to Back Suspend/Resume
[all …]
|
| D | standby-dev.cfg | 2 # Dev S1 (Standby) test - includes src calls / kernel threads
5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/standby-dev.cfg
14 # ---- General Options ----
26 output-dir: standby-{hostname}-{date}-{time}-dev
29 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
33 # add the dmesg and ftrace log to the html output (default: false)
40 # ---- Advanced Options ----
42 # Command to execute in lieu of standby (default: "")
53 # Back to Back Suspend/Resume
[all …]
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| D | standby-callgraph.cfg | 5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/standby-callgraph.cfg
15 # ---- General Options ----
27 output-dir: standby-{hostname}-{date}-{time}-cg
30 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
34 # add the dmesg and ftrace log to the html output (default: false)
41 # ---- Advanced Options ----
43 # Command to execute in lieu of standby (default: "")
54 # Back to Back Suspend/Resume
55 # Run two suspend/resumes back to back (default: false)
[all …]
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| D | freeze-callgraph.cfg | 5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/freeze-callgraph.cfg
15 # ---- General Options ----
27 output-dir: freeze-{hostname}-{date}-{time}-cg
30 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
34 # add the dmesg and ftrace log to the html output (default: false)
41 # ---- Advanced Options ----
43 # Command to execute in lieu of freeze (default: "")
54 # Back to Back Suspend/Resume
55 # Run two suspend/resumes back to back (default: false)
[all …]
|
| /kernel/linux/linux-4.19/tools/power/pm-graph/config/ |
| D | suspend-x2-proc.cfg | 2 # Proc S3 (Suspend to Mem) x2 test - includes user processes
5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/suspend-proc.cfg
14 # ---- General Options ----
26 output-dir: suspend-{hostname}-{date}-{time}-x2-proc
29 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
33 # add the dmesg and ftrace log to the html output (default: false)
40 # ---- Advanced Options ----
42 # Command to execute in lieu of suspend (default: "")
53 # Back to Back Suspend/Resume
[all …]
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| D | suspend-dev.cfg | 2 # Dev S3 (Suspend to Mem) test - includes src calls / kernel threads
5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/suspend-dev.cfg
14 # ---- General Options ----
26 output-dir: suspend-{hostname}-{date}-{time}-dev
29 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
33 # add the dmesg and ftrace log to the html output (default: false)
40 # ---- Advanced Options ----
42 # Command to execute in lieu of suspend (default: "")
53 # Back to Back Suspend/Resume
[all …]
|
| D | suspend.cfg | 2 # Generic S3 (Suspend to Mem) test
5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/suspend.cfg
14 # ---- General Options ----
26 output-dir: suspend-{hostname}-{date}-{time}
29 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
33 # add the dmesg and ftrace log to the html output (default: false)
40 # ---- Advanced Options ----
42 # Command to execute in lieu of suspend (default: "")
53 # Back to Back Suspend/Resume
[all …]
|
| D | freeze-dev.cfg | 2 # Dev S2 (Freeze) test - includes src calls / kernel threads
5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/freeze-dev.cfg
14 # ---- General Options ----
26 output-dir: freeze-{hostname}-{date}-{time}-dev
29 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
33 # add the dmesg and ftrace log to the html output (default: false)
40 # ---- Advanced Options ----
42 # Command to execute in lieu of freeze (default: "")
53 # Back to Back Suspend/Resume
[all …]
|
| D | standby-dev.cfg | 2 # Dev S1 (Standby) test - includes src calls / kernel threads
5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/standby-dev.cfg
14 # ---- General Options ----
26 output-dir: standby-{hostname}-{date}-{time}-dev
29 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
33 # add the dmesg and ftrace log to the html output (default: false)
40 # ---- Advanced Options ----
42 # Command to execute in lieu of standby (default: "")
53 # Back to Back Suspend/Resume
[all …]
|
| D | freeze-callgraph.cfg | 5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/freeze-callgraph.cfg
15 # ---- General Options ----
27 output-dir: freeze-{hostname}-{date}-{time}-cg
30 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
34 # add the dmesg and ftrace log to the html output (default: false)
41 # ---- Advanced Options ----
43 # Command to execute in lieu of freeze (default: "")
54 # Back to Back Suspend/Resume
55 # Run two suspend/resumes back to back (default: false)
[all …]
|
| D | standby-callgraph.cfg | 5 # all the tool arguments so that they don't have to be given on the
9 # sudo ./sleepgraph.py -config config/standby-callgraph.cfg
15 # ---- General Options ----
27 output-dir: standby-{hostname}-{date}-{time}-cg
30 # Use rtcwake to autoresume after X seconds, or off to disable (default: 15)
34 # add the dmesg and ftrace log to the html output (default: false)
41 # ---- Advanced Options ----
43 # Command to execute in lieu of standby (default: "")
54 # Back to Back Suspend/Resume
55 # Run two suspend/resumes back to back (default: false)
[all …]
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