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/openbmc/linux/drivers/s390/crypto/
H A Dzcrypt_queue.c45 int online = aq->config && zq->online ? 1 : 0; in online_show() local
47 return sysfs_emit(buf, "%d\n", online); in online_show()
57 int online; in online_store() local
59 if (sscanf(buf, "%d\n", &online) != 1 || online < 0 || online > 1) in online_store()
62 if (online && (!aq->config || !aq->card->config)) in online_store()
64 if (online && !zc->online) in online_store()
66 zq->online = online; in online_store()
68 ZCRYPT_DBF_INFO("%s queue=%02x.%04x online=%d\n", in online_store()
70 AP_QID_QUEUE(zq->queue->qid), online); in online_store()
72 ap_send_online_uevent(&aq->ap_dev, online); in online_store()
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H A Dzcrypt_card.c55 int online = ac->config && zc->online ? 1 : 0; in online_show() local
57 return sysfs_emit(buf, "%d\n", online); in online_show()
67 int online, id, i = 0, maxzqs = 0; in online_store() local
70 if (sscanf(buf, "%d\n", &online) != 1 || online < 0 || online > 1) in online_store()
73 if (online && !ac->config) in online_store()
76 zc->online = online; in online_store()
79 ZCRYPT_DBF_INFO("%s card=%02x online=%d\n", __func__, id, online); in online_store()
81 ap_send_online_uevent(&ac->ap_dev, online); in online_store()
95 if (zcrypt_queue_force_online(zq, online)) in online_store()
104 ap_send_online_uevent(&zq->queue->ap_dev, online); in online_store()
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/openbmc/linux/tools/testing/selftests/cpu-hotplug/
H A Dcpu-on-off-test.sh32 echo "CPU online/offline summary:"
33 online_cpus=`cat $SYSFS/devices/system/cpu/online`
45 echo -e "\t Cpus in online state: $online_cpus"
64 if [ -f $cpu/online ] && grep -q $state $cpu/online; then
82 grep -q 1 $SYSFS/devices/system/cpu/cpu$1/online
87 grep -q 0 $SYSFS/devices/system/cpu/cpu$1/online
92 echo 1 > $SYSFS/devices/system/cpu/cpu$1/online
97 echo 0 > $SYSFS/devices/system/cpu/cpu$1/online
121 echo $FUNCNAME $cpu: unexpected online >&2
196 # Safe test (default) - offline and online one cpu
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/openbmc/linux/Documentation/core-api/
H A Dcpu_hotplug.rst36 other CPUs later online.
41 those CPUs can not be brought online later.
71 Bitmap of all CPUs currently online. Its set in ``__cpu_up()``
79 of them may be online. When physical hotplug is processed by the relevant
112 -r--r--r-- 1 root root 4.0K Dec 21 16:33 online
116 The files *offline*, *online*, *possible*, *present* represent the CPU masks.
117 Each CPU folder contains an *online* file which controls the logical on (1) and
120 $ echo 0 > /sys/devices/system/cpu/cpu4/online
125 bring CPU4 back online::
127 $ echo 1 > /sys/devices/system/cpu/cpu4/online
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H A Dmemory-hotplug.rst23 Generated when memory has successfully brought online. The callback may
63 - start_pfn is start_pfn of online/offline memory.
64 - nr_pages is # of pages of online/offline memory.
68 set/clear. It means a new(memoryless) node gets new memory by online and a
92 - synchronize against online/offline requests (e.g. via sysfs). This way, memory
93 block devices can only be accessed (.online/.state attributes) by user
99 device_hotplug_lock when adding memory and user space tries to online that
/openbmc/linux/tools/testing/selftests/memory-hotplug/
H A Dmem-on-off-test.sh58 hotpluggable_memory online
63 grep -q online $SYSFS/devices/system/memory/memory$1/state
73 echo online > $SYSFS/devices/system/memory/memory$1/state
103 echo $FUNCNAME $memory: unexpected online >&2
184 # Online all hot-pluggable memory
187 echo -e "\t online all hot-pluggable memory in offline state:"
190 echo "offline->online memory$memory"
204 echo -e "\t offline $ratio% hot-pluggable memory in online state"
208 echo "online->offline memory$memory"
223 # Online all hot-pluggable memory again
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/openbmc/linux/Documentation/arch/s390/
H A Ddriver-model.rst49 online:
50 An interface to set the device online and offline.
52 notify function under 1.2), piping 0 to online will forcibly delete
77 via the 'online' interface.
93 int online;
161 activated via the 'online' attribute. The driver should finally
171 verified that the device is not already online.
175 de-activated via the 'online' attribute. The driver should shut
185 verified that the device is online.
194 * In online state, device detached (CIO_GONE) or last path gone
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/openbmc/linux/Documentation/admin-guide/
H A Dcputopology.rst61 offline: CPUs that are not online because they have been
66 online: CPUs that are online and being scheduled [cpu_online_mask]
69 brought online if they are present. [cpu_possible_mask]
80 being 32. Note also that CPUs 2 and 4-31 are not online but could be
81 brought online as they are both present and possible::
85 online: 0-1,3
92 online.)::
96 online: 0-1,3
/openbmc/linux/Documentation/translations/zh_CN/core-api/
H A Dcpu_hotplug.rst113 -r--r--r-- 1 root root 4.0K Dec 21 16:33 online
117 文件 *offline* 、 *online* 、*possible* 、*present* 代表CPU掩码。每个CPU文件
118 夹包含一个 *online* 文件，控制逻辑上的开（1）和关（0）状态。要在逻辑上关闭CPU4::
120 $ echo 0 > /sys/devices/system/cpu/cpu4/online
126 $ echo 1 > /sys/devices/system/cpu/cpu4/online
371 的常量之一， 具体取决于应该分配动态状态的状态阶段（PREPARE，ONLINE）。
385 online 对应ONLINE阶段中的状态
393 @name参数的示例："perf/online", "perf/x86:prepare", "RCU/tree:dying", "sched/waitempty"
527 state = cpuhp_setup_state_nocalls(CPUHP_ONLINE_DYN, "subsys:online", subsys_cpu_online, NULL);
535 …state = cpuhp_setup_state_multi(CPUHP_ONLINE_DYN, "subsys:online", subsys_cpu_online, subsys_cpu_o…
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/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-devices-online1 What: /sys/devices/.../online
5 The /sys/devices/.../online attribute is only present for
6 devices whose bus types provide .online() and .offline()
13 this file, the device bus type's .online() callback is executed
20 type's .online() is executed successfully.
H A Dsysfs-devices-memory47 is read-write. When read, it returns the online/offline
49 the online/offline state of a memory block using the following
52 # echo online > /sys/devices/system/memory/memoryX/state
60 reading the file will return "online"; the zone information
77 For online memory blocks, it returns in which zone memory
85 the state of an offline memory block to "online". Only one of
H A Dsysfs-devices-system-xen_cpu12 What: /sys/devices/system/xen_cpu/xen_cpu#/online
16 Interface to online/offline Xen physical cpus
19 to online/offline physical cpus, except cpu0 due to several
/openbmc/openbmc/meta-ibm/recipes-core/systemd/
H A Dsystemd_%.bbappend31 FILES:${PN}:append:p10bmc = " ${systemd_system_unitdir}/systemd-networkd-wait-online.service.d/syst…
35 FILES:${PN}:append:genesis3 = " ${systemd_system_unitdir}/systemd-networkd-wait-online.service.d/sy…
36 FILES:${PN}:append:sbp1 = " ${systemd_system_unitdir}/systemd-networkd-wait-online.service.d/system…
38 FILES:${PN}:append:system1 = " ${systemd_system_unitdir}/systemd-networkd-wait-online.service.d/sys…
54 …ly-wait-for-one.conf ${D}${systemd_system_unitdir}/systemd-networkd-wait-online.service.d/systemd-…
59 # Genesis3 and SBP1 uses both BMC's RGMII MACs, so wait for only one to be online
61 install -d ${D}${systemd_system_unitdir}/systemd-networkd-wait-online.service.d/
62 …ly-wait-for-one.conf ${D}${systemd_system_unitdir}/systemd-networkd-wait-online.service.d/systemd-…
65 install -d ${D}${systemd_system_unitdir}/systemd-networkd-wait-online.service.d/
66 …ly-wait-for-one.conf ${D}${systemd_system_unitdir}/systemd-networkd-wait-online.service.d/systemd-…
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/openbmc/linux/drivers/power/supply/
H A D88pm860x_charger.c107 unsigned online:1; /* usb charger */ member
274 if (vbatt > CHARGE_THRESHOLD && info->online) in stop_charge()
317 (info->online) ? "online" : "N/A", in set_charging_fsm()
323 if (info->online && info->present && info->allowed) { in set_charging_fsm()
344 if (info->online && info->present && info->allowed) { in set_charging_fsm()
355 if (info->online && info->present && info->allowed) { in set_charging_fsm()
366 if (info->online && info->present && info->allowed) { in set_charging_fsm()
377 else if (vbatt > CHARGE_THRESHOLD && info->online) in set_charging_fsm()
389 (info->online) ? "online" : "N/A", in set_charging_fsm()
408 info->online = 1; in pm860x_charger_handler()
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/openbmc/linux/Documentation/admin-guide/mm/
H A Dmemory-hotplug.rst140 make use of that memory: the memory block has to be "online".
145 The Linux kernel can be configured to automatically online added memory blocks
160 % echo online > /sys/devices/system/memory/memoryXXX/state
164 % echo 1 > /sys/devices/system/memory/memoryXXX/online
179 be "online". If it fails, the state of the memory block will remain unchanged
189 The configured auto-online behavior can be observed via::
193 Auto-onlining can be enabled by writing ``online``, ``online_kernel`` or
196 % echo online > /sys/devices/system/memory/auto_online_blocks
198 Similarly to manual onlining, with ``online`` the kernel will select the
201 Modifying the auto-online behavior will only affect all subsequently added
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/openbmc/linux/tools/testing/selftests/bpf/prog_tests/
H A Dperf_buffer.c54 bool *online; in serial_test_perf_buffer() local
60 err = parse_cpu_mask_file("/sys/devices/system/cpu/online", in serial_test_perf_buffer()
61 &online, &on_len); in serial_test_perf_buffer()
66 if (online[i]) in serial_test_perf_buffer()
95 if (i >= on_len || !online[i]) { in serial_test_perf_buffer()
118 if (i >= on_len || !online[i]) in serial_test_perf_buffer()
146 free(online); in serial_test_perf_buffer()
H A Draw_tp_test_run.c15 bool *online = NULL; in test_raw_tp_test_run() local
22 err = parse_cpu_mask_file("/sys/devices/system/cpu/online", &online, in test_raw_tp_test_run()
58 if (!online[i]) in test_raw_tp_test_run()
85 free(online); in test_raw_tp_test_run()
/openbmc/linux/Documentation/filesystems/
H A Dxfs-online-fsck-design.rst18 XFS Online Fsck Design
21 This document captures the design of the online filesystem check feature for
25 - To help kernel distributors understand exactly what the XFS online fsck
34 As the online fsck code is merged, the links in this document to topic branches
42 Parts 2 and 3 present a high level overview of how online fsck process works
49 might be built atop online fsck.
112 Each kernel patchset adding an online repair function will use the same branch
118 The online fsck tool described here will be the third tool in the history of
162 while the filesystem is online.
188 | The userspace driver program for the new online fsck tool can be |
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/openbmc/qemu/hw/xen/
H A Dxen-bus.c73 xs_node_printf(xenbus->xsh, tid, xendev->backend_path, "online", in xen_device_unplug()
153 !strcmp(key[i], "online") || in xen_bus_backend_create()
204 unsigned int online; in xen_bus_type_enumerate() local
210 if (xs_node_scanf(xenbus->xsh, XBT_NULL, backend_path, "online", in xen_bus_type_enumerate()
211 NULL, "%u", &online) != 1) in xen_bus_type_enumerate()
212 online = 0; in xen_bus_type_enumerate()
214 if (online && state == XenbusStateInitialising && in xen_bus_type_enumerate()
466 static void xen_device_backend_set_online(XenDevice *xendev, bool online) in xen_device_backend_set_online() argument
470 if (xendev->backend_online == online) { in xen_device_backend_set_online()
474 trace_xen_device_backend_online(type, xendev->name, online); in xen_device_backend_set_online()
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/openbmc/qemu/python/scripts/
H A Dmkvenv.py38 usage: mkvenv ensuregroup [-h] [--online] [--dir DIR] file group...
46 --online Install packages from PyPI, if necessary.
510 online: bool,
518 :param online: Did we allow PyPI access?
558 if online:
595 online: bool = False,
615 if not online:
652 online: bool = False,
658 If the packages are already installed, do nothing. If online and
664 :param online: If True, fall back to PyPI.
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/openbmc/linux/mm/
H A Dmemory_hotplug.c157 * memory_hotplug.online_policy: configure online behavior when onlining without
161 * "auto-movable": online memory to ZONE_MOVABLE if the configuration
171 "Set the online policy (\"contig-zones\", \"auto-movable\") "
178 * online some memory to ZONE_MOVABLE -- e.g., because hotplugged KERNEL memory
185 "in percent for \"auto-movable\" online policy. Default: 301");
195 "\"auto-movable\" online policy. Default: true");
306 * memory that will be marked online, so this check should only in check_pfn_span()
322 * Return page for the valid pfn only if the page is online. All pfn
356 * get_dev_pagemap() can determine sub-section online status. in pfn_to_online_page()
650 * Online the pages in MAX_ORDER aligned chunks. The callback might in online_pages_range()
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/openbmc/linux/arch/s390/include/asm/
H A Dphysmem_info.h54 struct physmem_range online[MEM_INLINED_ENTRIES]; member
72 *start = (unsigned long)physmem_info.online[n].start; in __get_physmem_range()
73 *end = (unsigned long)physmem_info.online[n].end; in __get_physmem_range()
89 * for_each_physmem_usable_range - early online memory range iterator
94 * Walks over detected online memory ranges below usable limit.
99 /* Walks over all detected online memory ranges disregarding usable limit. */
/openbmc/linux/kernel/irq/
H A Dmatrix.c19 bool online; member
75 * irq_matrix_online - Bring the local CPU matrix online
82 BUG_ON(cm->online); in irq_matrix_online()
90 cm->online = true; in irq_matrix_online()
105 cm->online = false; in irq_matrix_offline()
140 if (!cm->online || cm->available <= maxavl) in matrix_find_best_cpu()
161 if (!cm->online || cm->managed_allocated > allocated) in matrix_find_best_cpu_managed()
222 if (cm->online) { in irq_matrix_reserve_managed()
272 if (cm->online) { in irq_matrix_remove_managed()
433 if (cm->online) in irq_matrix_free()
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/openbmc/linux/Documentation/trace/rv/
H A Druntime-verification.rst19 *online* verification of a system, enabling the *reaction* for unexpected
77 Online RV monitors
80 Monitors can be classified as *offline* and *online* monitors. *Offline*
82 reading the trace execution from a permanent storage system. *Online* monitors
83 process the trace during the execution of the system. Online monitors are said
89 file. In contrast, *synchronous online* method can react at the exact moment
97 *synchronous online* monitors will incur on lower overhead.
109 This motivated the development of an in-kernel interface for online monitors.
/openbmc/linux/arch/mips/kernel/
H A Dpm-cps.c26 * @online: the count of online coupled VPEs
38 typedef unsigned (*cps_nc_entry_fn)(unsigned online, u32 *nc_ready_count);
56 /* Indicates online CPUs coupled with the current CPU */
84 static void coupled_barrier(atomic_t *a, unsigned online) in coupled_barrier() argument
98 while (atomic_read(a) < online) in coupled_barrier()
101 if (atomic_inc_return(a) == online * 2) { in coupled_barrier()
106 while (atomic_read(a) > online) in coupled_barrier()
114 unsigned online, left; in cps_pm_enter_state() local
127 /* Calculate which coupled CPUs (VPEs) are online */ in cps_pm_enter_state()
132 online = cpumask_weight(coupled_mask); in cps_pm_enter_state()
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