| /kernel/linux/linux-6.6/arch/arm64/boot/dts/microchip/ |
| D | sparx5_pcb135_board.dtsi | 376 microchip,bandwidth = <1000>;
383 microchip,bandwidth = <1000>;
390 microchip,bandwidth = <1000>;
397 microchip,bandwidth = <1000>;
404 microchip,bandwidth = <1000>;
411 microchip,bandwidth = <1000>;
418 microchip,bandwidth = <1000>;
425 microchip,bandwidth = <1000>;
432 microchip,bandwidth = <1000>;
439 microchip,bandwidth = <1000>;
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| /kernel/linux/linux-6.6/drivers/firewire/ |
| D | core-iso.c | 5 * - Isochronous bus resource management (channels, bandwidth), client side
201 * Isochronous bus resource management (channels, bandwidth), client side
205 int bandwidth, bool allocate) in manage_bandwidth() argument
216 new = allocate ? old - bandwidth : old + bandwidth; in manage_bandwidth()
227 /* A generation change frees all bandwidth. */ in manage_bandwidth()
228 return allocate ? -EAGAIN : bandwidth; in manage_bandwidth()
232 return bandwidth; in manage_bandwidth()
308 * fw_iso_resource_manage() - Allocate or deallocate a channel and/or bandwidth
313 * @bandwidth: pointer for returning bandwidth allocation result
316 * In parameters: card, generation, channels_mask, bandwidth, allocate
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| /kernel/linux/linux-5.10/drivers/firewire/ |
| D | core-iso.c | 5 * - Isochronous bus resource management (channels, bandwidth), client side
201 * Isochronous bus resource management (channels, bandwidth), client side
205 int bandwidth, bool allocate) in manage_bandwidth() argument
216 new = allocate ? old - bandwidth : old + bandwidth; in manage_bandwidth()
227 /* A generation change frees all bandwidth. */ in manage_bandwidth()
228 return allocate ? -EAGAIN : bandwidth; in manage_bandwidth()
232 return bandwidth; in manage_bandwidth()
308 * fw_iso_resource_manage() - Allocate or deallocate a channel and/or bandwidth
313 * @bandwidth: pointer for returning bandwidth allocation result
316 * In parameters: card, generation, channels_mask, bandwidth, allocate
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| /kernel/linux/linux-6.6/sound/firewire/ |
| D | iso-resources.c | 55 /* convert to bandwidth units (quadlets at S1600 = bytes at S400) */ in packet_bandwidth()
69 * 88.3 + N * 24.3 in bandwidth units. in current_bandwidth_overhead()
91 * fw_iso_resources_allocate - allocate isochronous channel and bandwidth
96 * This function allocates one isochronous channel and enough bandwidth for the
109 int bandwidth, channel, err; in fw_iso_resources_allocate() local
114 r->bandwidth = packet_bandwidth(max_payload_bytes, speed); in fw_iso_resources_allocate()
128 bandwidth = r->bandwidth + r->bandwidth_overhead; in fw_iso_resources_allocate()
130 &channel, &bandwidth, true); in fw_iso_resources_allocate()
167 int bandwidth, channel; in fw_iso_resources_update() local
181 bandwidth = r->bandwidth + r->bandwidth_overhead; in fw_iso_resources_update()
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| /kernel/linux/linux-5.10/sound/firewire/ |
| D | iso-resources.c | 55 /* convert to bandwidth units (quadlets at S1600 = bytes at S400) */ in packet_bandwidth()
69 * 88.3 + N * 24.3 in bandwidth units. in current_bandwidth_overhead()
91 * fw_iso_resources_allocate - allocate isochronous channel and bandwidth
96 * This function allocates one isochronous channel and enough bandwidth for the
109 int bandwidth, channel, err; in fw_iso_resources_allocate() local
114 r->bandwidth = packet_bandwidth(max_payload_bytes, speed); in fw_iso_resources_allocate()
128 bandwidth = r->bandwidth + r->bandwidth_overhead; in fw_iso_resources_allocate()
130 &channel, &bandwidth, true); in fw_iso_resources_allocate()
167 int bandwidth, channel; in fw_iso_resources_update() local
181 bandwidth = r->bandwidth + r->bandwidth_overhead; in fw_iso_resources_update()
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| /kernel/linux/linux-6.6/drivers/thunderbolt/ |
| D | tunnel.h | 32 * @maximum_bandwidth: Returns maximum possible bandwidth for this tunnel
33 * @allocated_bandwidth: Return how much bandwidth is allocated for the tunnel
34 * @alloc_bandwidth: Change tunnel bandwidth allocation
35 * @consumed_bandwidth: Return how much bandwidth the tunnel consumes
36 * @release_unused_bandwidth: Release all unused bandwidth
37 * @reclaim_available_bandwidth: Reclaim back available bandwidth
40 * @max_up: Maximum upstream bandwidth (Mb/s) available for the tunnel.
41 * Only set if the bandwidth needs to be limited.
42 * @max_down: Maximum downstream bandwidth (Mb/s) available for the tunnel.
43 * Only set if the bandwidth needs to be limited.
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| D | tb.c | 22 * Minimum bandwidth (in Mb/s) that is needed in the single transmitter/receiver
23 * direction. This is 40G - 10% guard band bandwidth.
28 * Threshold bandwidth (in Mb/s) that is used to switch the links to
55 * @groups: Bandwidth groups used in this domain.
100 tb_port_dbg(in, "attached to bandwidth group %d\n", group->index); in tb_bandwidth_group_attach_port()
149 tb_port_warn(in, "no available bandwidth groups\n"); in tb_attach_bandwidth_group()
180 tb_port_dbg(in, "detached from bandwidth group %d\n", group->index); in tb_detach_bandwidth_group()
653 * tb_consumed_usb3_pcie_bandwidth() - Consumed USB3/PCIe bandwidth over a single link
657 * @port: USB4 port the consumed bandwidth is calculated
658 * @consumed_up: Consumed upsream bandwidth (Mb/s)
[all …]
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| D | tunnel.c | 65 * Reserve additional bandwidth for USB 3.x and PCIe bulk traffic
81 "enable bandwidth allocation mode if supported (default: true)");
383 * tb_tunnel_reserved_pci() - Amount of bandwidth to reserve for PCIe
385 * @reserved_up: Upstream bandwidth in Mb/s to reserve
386 * @reserved_down: Downstream bandwidth in Mb/s to reserve
389 * bandwidth needs to be left in reserve for possible PCIe bulk traffic.
666 "DP IN maximum supported bandwidth %u Mb/s x%u = %u Mb/s\n", in tb_dp_xchg_caps()
670 * If the tunnel bandwidth is limited (max_bw is set) then see in tb_dp_xchg_caps()
671 * if we need to reduce bandwidth to fit there. in tb_dp_xchg_caps()
677 "DP OUT maximum supported bandwidth %u Mb/s x%u = %u Mb/s\n", in tb_dp_xchg_caps()
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| /kernel/linux/linux-5.10/Documentation/scheduler/ |
| D | sched-bwc.rst | 2 CFS Bandwidth Control
5 [ This document only discusses CPU bandwidth control for SCHED_NORMAL.
8 CFS bandwidth control is a CONFIG_FAIR_GROUP_SCHED extension which allows the
9 specification of the maximum CPU bandwidth available to a group or hierarchy.
11 The bandwidth allowed for a group is specified using a quota and period. Within
20 cfs_quota units at each period boundary. As threads consume this bandwidth it
38 bandwidth restriction in place, such a group is described as an unconstrained
39 bandwidth group. This represents the traditional work-conserving behavior for
42 Writing any (valid) positive value(s) will enact the specified bandwidth limit.
45 bandwidth limits are used in a hierarchical fashion, these are explained in
[all …]
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| /kernel/linux/linux-5.10/drivers/net/ethernet/intel/ixgbe/ |
| D | ixgbe_dcb.h | 26 /* Error in bandwidth group allocation */
28 /* Error in traffic class bandwidth allocation */
32 /* Link strict traffic class has non zero bandwidth */
34 /* Link strict bandwidth group has non zero bandwidth */
36 /* Traffic class has zero bandwidth */
73 /* Traffic class bandwidth allocation per direction */
75 u8 bwg_id; /* Bandwidth Group (BWG) ID */
76 u8 bwg_percent; /* % of BWG's bandwidth */
77 u8 link_percent; /* % of link bandwidth */
114 u32 link_speed; /* For bandwidth allocation validation purpose */
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| /kernel/linux/linux-6.6/drivers/net/ethernet/intel/ixgbe/ |
| D | ixgbe_dcb.h | 26 /* Error in bandwidth group allocation */
28 /* Error in traffic class bandwidth allocation */
32 /* Link strict traffic class has non zero bandwidth */
34 /* Link strict bandwidth group has non zero bandwidth */
36 /* Traffic class has zero bandwidth */
73 /* Traffic class bandwidth allocation per direction */
75 u8 bwg_id; /* Bandwidth Group (BWG) ID */
76 u8 bwg_percent; /* % of BWG's bandwidth */
77 u8 link_percent; /* % of link bandwidth */
114 u32 link_speed; /* For bandwidth allocation validation purpose */
|
| /kernel/linux/linux-6.6/Documentation/scheduler/ |
| D | sched-bwc.rst | 2 CFS Bandwidth Control
6 This document only discusses CPU bandwidth control for SCHED_NORMAL.
9 CFS bandwidth control is a CONFIG_FAIR_GROUP_SCHED extension which allows the
10 specification of the maximum CPU bandwidth available to a group or hierarchy.
12 The bandwidth allowed for a group is specified using a quota and period. Within
21 cfs_quota units at each period boundary. As threads consume this bandwidth it
30 Traditional (UP-EDF) bandwidth control is something like:
89 bandwidth restriction in place, such a group is described as an unconstrained
90 bandwidth group. This represents the traditional work-conserving behavior for
94 enact the specified bandwidth limit. The minimum quota allowed for the quota or
[all …]
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| /kernel/linux/linux-5.10/drivers/usb/host/ |
| D | xhci-mtk.h | 18 * bandwidth to it.
23 * @fs_bus_bw: array to keep track of bandwidth already used for FS
36 * struct mu3h_sch_bw_info: schedule information for bandwidth domain
38 * @bus_bw: array to keep track of bandwidth already used at each uframes
39 * @bw_ep_list: eps in the bandwidth domain
41 * treat a HS root port as a bandwidth domain, but treat a SS root port as
42 * two bandwidth domains, one for IN eps and another for OUT eps.
55 * @bw_cost_per_microframe: bandwidth cost per microframe
56 * @endpoint: linked into bandwidth domain which it belongs to
62 * @allocated: the bandwidth is aready allocated from bus_bw
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| /kernel/linux/linux-6.6/Documentation/admin-guide/perf/ |
| D | hisi-pcie-pmu.rst | 6 bandwidth, latency, bus utilization and buffer occupancy data of PCIe.
75 "bdf" filter can only be used in bandwidth events, target Endpoint is
76 selected by configuring BDF to "bdf". Counter only counts the bandwidth of
90 only be used in bandwidth events.
104 "thr_mode". This filter can only be used in bandwidth events.
116 When counting bandwidth, the data can be composed of certain parts of TLP
120 - 2'b01: Bandwidth of TLP payloads
121 - 2'b10: Bandwidth of TLP headers
122 - 2'b11: Bandwidth of both TLP payloads and headers
124 For example, "len_mode=2" means only counting the bandwidth of TLP headers
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| /kernel/linux/linux-5.10/drivers/thunderbolt/ |
| D | tunnel.h | 31 * @consumed_bandwidth: Return how much bandwidth the tunnel consumes
32 * @release_unused_bandwidth: Release all unused bandwidth
33 * @reclaim_available_bandwidth: Reclaim back available bandwidth
36 * @max_up: Maximum upstream bandwidth (Mb/s) available for the tunnel.
37 * Only set if the bandwidth needs to be limited.
38 * @max_down: Maximum downstream bandwidth (Mb/s) available for the tunnel.
39 * Only set if the bandwidth needs to be limited.
40 * @allocated_up: Allocated upstream bandwidth (only for USB3)
41 * @allocated_down: Allocated downstream bandwidth (only for USB3)
|
| /kernel/linux/linux-6.6/tools/testing/selftests/tc-testing/tc-tests/qdiscs/ |
| D | cake.json | 18 …"matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 triple-isolate non…
27 "name": "Create CAKE with bandwidth limit",
38 "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake bandwidth 1000",
41 …"matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth 1Kbit diffserv3 triple-isolate nonat n…
64 …"matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited autorate-ingress diffserv3 t…
87 …"matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 triple-isolate non…
110 …"matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited besteffort triple-isolate no…
133 …"matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv8 triple-isolate non…
156 …"matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv4 triple-isolate non…
179 …"matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 flowblind nonat no…
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| D | choke.json | 15 "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000",
38 …"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000 min 100",
61 …"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000 max 900",
84 … "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000 ecn",
107 …"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000 burst 10…
129 "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000"
152 "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000"
154 …"cmdUnderTest": "$TC qdisc replace dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000 min …
176 "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000"
178 …"cmdUnderTest": "$TC qdisc change dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000 min 1…
|
| /kernel/linux/linux-6.6/drivers/usb/host/ |
| D | xhci-mtk.h | 28 * bandwidth to it.
34 * @fs_bus_bw: array to keep track of bandwidth already used for FS
43 * struct mu3h_sch_bw_info: schedule information for bandwidth domain
45 * @bus_bw: array to keep track of bandwidth already used at each uframes
47 * treat a HS root port as a bandwidth domain, but treat a SS root port as
48 * two bandwidth domains, one for IN eps and another for OUT eps.
61 * @bw_cost_per_microframe: bandwidth cost per microframe
63 * @endpoint: linked into bandwidth domain which it belongs to
65 * @bw_info: bandwidth domain which this endpoint belongs
70 * @allocated: the bandwidth is aready allocated from bus_bw
|
| /kernel/linux/linux-5.10/Documentation/x86/ |
| D | resctrl_ui.rst | 25 MBM (Memory Bandwidth Monitoring) "cqm_mbm_total", "cqm_mbm_local"
26 MBA (Memory Bandwidth Allocation) "mba"
41 bandwidth in MBps
121 Memory bandwidth(MB) subdirectory contains the following files
125 The minimum memory bandwidth percentage which
129 The granularity in which the memory bandwidth
133 available bandwidth control steps are:
144 request different memory bandwidth percentages:
150 bandwidth percentages are directly applied to
364 Memory bandwidth Allocation and monitoring
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| /kernel/linux/linux-6.6/drivers/gpu/drm/bridge/ |
| D | cros-ec-anx7688.c | 61 /* Read both regs 0x85 (bandwidth) and 0x86 (lane count). */ in cros_ec_anx7688_bridge_mode_fixup()
64 DRM_ERROR("Failed to read bandwidth/lane count\n"); in cros_ec_anx7688_bridge_mode_fixup()
70 /* Maximum 0x19 bandwidth (6.75 Gbps Turbo mode), 2 lanes */ in cros_ec_anx7688_bridge_mode_fixup()
72 DRM_ERROR("Invalid bandwidth/lane count (%02x/%d)\n", dpbw, in cros_ec_anx7688_bridge_mode_fixup()
77 /* Compute available bandwidth (kHz) */ in cros_ec_anx7688_bridge_mode_fixup()
80 /* Required bandwidth (8 bpc, kHz) */ in cros_ec_anx7688_bridge_mode_fixup()
83 DRM_DEBUG_KMS("DP bandwidth: %d kHz (%02x/%d); mode requires %d Khz\n", in cros_ec_anx7688_bridge_mode_fixup()
87 DRM_ERROR("Bandwidth/lane count are 0, not rejecting modes\n"); in cros_ec_anx7688_bridge_mode_fixup()
148 /* FW version >= 0.85 supports bandwidth/lane count registers */ in cros_ec_anx7688_bridge_probe()
|
| /kernel/linux/linux-6.6/tools/perf/pmu-events/arch/powerpc/power9/ |
| D | nest_metrics.json | 31 "MetricGroup" : "memory-bandwidth",
37 "MetricGroup" : "memory-bandwidth",
43 "MetricGroup" : "memory-bandwidth",
49 "MetricGroup" : "memory-bandwidth",
59 "MetricName" : "Memory-bandwidth-MCS",
60 "MetricGroup" : "memory-bandwidth",
|
| /kernel/linux/linux-5.10/tools/perf/pmu-events/arch/powerpc/power9/ |
| D | nest_metrics.json | 31 "MetricGroup" : "memory-bandwidth",
37 "MetricGroup" : "memory-bandwidth",
43 "MetricGroup" : "memory-bandwidth",
49 "MetricGroup" : "memory-bandwidth",
59 "MetricName" : "Memory-bandwidth-MCS",
60 "MetricGroup" : "memory-bandwidth",
|
| /kernel/linux/linux-6.6/Documentation/arch/x86/ |
| D | resctrl.rst | 25 MBM (Memory Bandwidth Monitoring) "cqm_mbm_total", "cqm_mbm_local"
26 MBA (Memory Bandwidth Allocation) "mba"
27 SMBA (Slow Memory Bandwidth Allocation) ""
28 BMEC (Bandwidth Monitoring Event Configuration) ""
48 bandwidth in MBps
128 Memory bandwidth(MB) subdirectory contains the following files
132 The minimum memory bandwidth percentage which
136 The granularity in which the memory bandwidth
140 available bandwidth control steps are:
151 request different memory bandwidth percentages:
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| /kernel/linux/linux-5.10/arch/x86/kernel/cpu/resctrl/ |
| D | monitor.c | 267 * Supporting function to calculate the memory bandwidth
268 * and delta bandwidth in MBps.
328 * adjust the bandwidth percentage values via the IA32_MBA_THRTL_MSRs so
331 * current bandwdith(cur_bw) < user specified bandwidth(user_bw)
333 * This uses the MBM counters to measure the bandwidth and MBA throttle
334 * MSRs to control the bandwidth for a particular rdtgrp. It builds on the
338 * timer. Having 1s interval makes the calculation of bandwidth simpler.
340 * Although MBA's goal is to restrict the bandwidth to a maximum, there may
341 * be a need to increase the bandwidth to avoid uncecessarily restricting
344 * Since MBA controls the L2 external bandwidth where as MBM measures the
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| /kernel/linux/linux-5.10/net/wireless/ |
| D | chan.c | 399 u32 bandwidth, in cfg80211_set_chans_dfs_state() argument
405 for (freq = center_freq - bandwidth/2 + 10; in cfg80211_set_chans_dfs_state()
406 freq <= center_freq + bandwidth/2 - 10; in cfg80211_set_chans_dfs_state()
440 u32 bandwidth) in cfg80211_get_start_freq() argument
444 bandwidth = MHZ_TO_KHZ(bandwidth); in cfg80211_get_start_freq()
445 if (bandwidth <= MHZ_TO_KHZ(20)) in cfg80211_get_start_freq()
448 start_freq = center_freq - bandwidth / 2 + MHZ_TO_KHZ(10); in cfg80211_get_start_freq()
454 u32 bandwidth) in cfg80211_get_end_freq() argument
458 bandwidth = MHZ_TO_KHZ(bandwidth); in cfg80211_get_end_freq()
459 if (bandwidth <= MHZ_TO_KHZ(20)) in cfg80211_get_end_freq()
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