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/openbmc/phosphor-dbus-interfaces/yaml/xyz/openbmc_project/Control/
H A DMode.interface.yaml3 notion of a fail-safe mode.
10 - name: Manual
14 - name: FailSafe
17 Whether the object is in fail-safe mode or not.
/openbmc/phosphor-pid-control/pid/
H A Dpidloop.cpp8 * http://www.apache.org/licenses/LICENSE-2.0
39 zone->updateSensors(); in processThermals()
41 zone->clearSetPoints(); in processThermals()
42 zone->clearRPMCeilings(); in processThermals()
44 zone->processThermals(); in processThermals()
46 zone->determineMaxSetPointRequest(); in processThermals()
62 zone->initializeLog(); in pidControlLoop()
65 zone->initializeCache(); in pidControlLoop()
72 nextTime = timer->expiry(); in pidControlLoop()
75 uint64_t msPerFanCycle = zone->getCycleIntervalTime(); in pidControlLoop()
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H A Dzone.hpp114 /* Method for reading whether in fail-safe mode over dbus */
138 ReadReturn r = sensor->read(); in processSensorInputs()
140 int64_t timeout = sensor->getTimeout(); in processSensorInputs()
144 std::chrono::duration_cast<std::chrono::seconds>(now - then) in processSensorInputs()
169 // check if fan fail. in processSensorInputs()
170 if (sensor->getFailed()) in processSensorInputs()
216 // Zone fail safe Percent setting by configuration.
237 * sensor fail safe Percent setting by each pid controller configuration.
H A Dzone_interface.hpp43 * set the input as failsafe - to default the zone to failsafe before it
76 /** Compute the value returned by getMaxSetPointRequest - called from the
81 /** Given the set points added via addSetPoint, return the maximum value -
86 /** Return if the zone has any sensors in fail safe mode. */
89 * fail safe.
/openbmc/linux/drivers/usb/gadget/function/
H A Df_subset.c1 // SPDX-License-Identifier: GPL-2.0+
3 * f_subset.c -- "CDC Subset" Ethernet link function driver
5 * Copyright (C) 2003-2005,2008 David Brownell
29 * SA-1100 "Itsy" board, which could run Linux 2.4 kernels and supported
36 * "SAFE", which happens to have a mode which is identical to the "CDC
42 * descriptors to the CDC Subset code, making this code look like a SAFE
43 * implementation. This lets you use MCCI's host side MS-Windows drivers
60 /*-------------------------------------------------------------------------*/
63 * "Simple" CDC-subset option is a simple vendor-neutral model that most
66 * some host side drivers will understand it as a "SAFE" variant.
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/openbmc/openbmc/meta-phosphor/recipes-phosphor/ipmi/
H A Dphosphor-ipmi-host_git.bb5 LICENSE = "Apache-2.0"
8 RRECOMMENDS:${PN} += "packagegroup-obmc-ipmid-providers-libs"
11 inherit obmc-phosphor-ipmiprovider-symlink
12 inherit obmc-phosphor-sdbus-service
13 inherit obmc-phosphor-systemd
14 inherit phosphor-ipmi-host
22 'VIRTUAL-RUNTIME_phosphor-ipmi-providers', True) or ''
24 whitelists = [ '{}-whitelist-native'.format(x) for x in whitelists ]
27 PACKAGECONFIG ??= "allowlist i2c-allowlist boot-flag-safe-mode softoff libuserlayer entity-manager-…
28 PACKAGECONFIG[dynamic-sensors] = "-Ddynamic-sensors=enabled,-Ddynamic-sensors=disabled"
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/openbmc/linux/Documentation/devicetree/bindings/power/supply/
H A Dqcom,pm8941-charger.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/qcom,pm8941-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Switch-Mode Battery Charger and Boost
10 - Sebastian Reichel <sre@kernel.org>
15 - qcom,pm8226-charger
16 - qcom,pm8941-charger
23 - description: charge done
24 - description: charge fast mode
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/openbmc/linux/tools/testing/selftests/fpu/
H A Dtest_fpu.c1 // SPDX-License-Identifier: GPL-2.0+
30 printf("[FAIL]\taccess with default rounding mode failed\n"); in main()
36 printf("[FAIL]\taccess with downward rounding mode failed\n"); in main()
40 printf("[FAIL]\tusermode rounding mode clobbered\n"); in main()
44 /* Note: the tests up to this point are quite safe and will only return in main()
51 printf("[FAIL]\taccess with fpu exceptions unmasked failed\n"); in main()
55 printf("[FAIL]\tusermode fpu exception mask clobbered\n"); in main()
/openbmc/qemu/hw/remote/
H A Dmpqemu-link.c7 * See the COPYING file in the top-level directory.
14 #include "hw/remote/mpqemu-link.h"
17 #include "qemu/error-report.h"
18 #include "qemu/main-loop.h"
25 * This function is safe to call from:
26 * - main loop in co-routine context. Will block the main loop if not in
27 * co-routine context;
28 * - vCPU thread with no co-routine context and if the channel is not part
30 * - IOThread within co-routine context, outside of co-routine context
46 send[1].iov_base = (void *)&msg->data; in mpqemu_msg_send()
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/openbmc/linux/arch/x86/mm/
H A Dextable.c1 // SPDX-License-Identifier: GPL-2.0-only
12 #include <asm/insn-eval.h>
29 return (unsigned long)&x->fixup + x->fixup; in ex_fixup_addr()
35 if (e->data & EX_FLAG_CLEAR_AX) in ex_handler_default()
36 regs->ax = 0; in ex_handler_default()
37 if (e->data & EX_FLAG_CLEAR_DX) in ex_handler_default()
38 regs->dx = 0; in ex_handler_default()
40 regs->ip = ex_fixup_addr(e); in ex_handler_default()
46 * and it's a page crosser into a non-existent page.
48 * This happens when we optimistically load a pathname a word-at-a-time
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/openbmc/linux/lib/
H A Dlocking-selftest.c1 // SPDX-License-Identifier: GPL-2.0
3 * lib/locking-selftest.c
6 * mutexes and rw-semaphores.
68 * Normal standalone locks, for the circular and irq-context
151 * non-inlined runtime initializers, to let separate locks share
152 * the same lock-class:
193 * For spinlocks and rwlocks we also do hardirq-safe / softirq-safe tests.
195 * context, causing the locks to be marked as hardirq-safe/softirq-safe:
261 #define WWAI(x) do { ww_acquire_init(x, &ww_lockdep); (x)->deadlock_inject_countdown = ~0U; } whi…
276 * the same basic lock-dependency/state events:
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/openbmc/linux/mm/
H A Dzpool.c1 // SPDX-License-Identifier: GPL-2.0-only
30 * zpool_register_driver() - register a zpool implementation.
36 atomic_set(&driver->refcount, 0); in zpool_register_driver()
37 list_add(&driver->list, &drivers_head); in zpool_register_driver()
43 * zpool_unregister_driver() - unregister a zpool implementation.
48 * exit function, this should never fail; if called from
57 refcount = atomic_read(&driver->refcount); in zpool_unregister_driver()
60 ret = -EBUSY; in zpool_unregister_driver()
62 list_del(&driver->list); in zpool_unregister_driver()
69 /* this assumes @type is null-terminated. */
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/openbmc/linux/tools/testing/selftests/ia64/
H A Daliasing-test.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * (c) Copyright 2007 Hewlett-Packard Development Company, L.P.
31 if (fd == -1) { in map_mem()
33 return -1; in map_mem()
38 if (rc == -1) in map_mem()
53 if (rc == -1) { in map_mem()
55 return -1; in map_mem()
72 return -1; in scan_tree()
76 name = namelist[i]->d_name; in scan_tree()
91 …fprintf(stderr, "PASS: %s 0x%lx-0x%lx is %s\n", path2, offset, offset + length, touch ? "readable"… in scan_tree()
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/openbmc/linux/drivers/misc/lkdtm/
H A Drefcount.c1 // SPDX-License-Identifier: GPL-2.0
19 pr_err("Fail: refcount wrapped to %d\n", refcount_read(ref)); in overflow_check()
29 refcount_t over = REFCOUNT_INIT(REFCOUNT_MAX - 1); in lkdtm_REFCOUNT_INC_OVERFLOW()
45 refcount_t over = REFCOUNT_INIT(REFCOUNT_MAX - 1); in lkdtm_REFCOUNT_ADD_OVERFLOW()
94 pr_warn("Still at zero: refcount_inc/add() must not inc-from-0\n"); in check_zero()
97 pr_err("Fail: refcount went crazy: %d\n", refcount_read(ref)); in check_zero()
103 * zero it should either saturate (when inc-from-zero isn't protected)
104 * or stay at zero (when inc-from-zero is protected) and should WARN for both.
123 * over-sub, so we have to track our starting position instead of in check_negative()
124 * looking only at zero-pinning. in check_negative()
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/openbmc/phosphor-pid-control/ipmi/
H A DREADME5 [0] = Subcommand, Get(0) or Set(1), Get(2) for fail-safe mode.
/openbmc/linux/drivers/usb/chipidea/
H A Dotg_fsm.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 #include <linux/usb/otg-fsm.h>
14 * A-DEVICE timing constants
21 * Table 4-1: Electrical Characteristics
22 * ->DC Electrical Timing
28 /* Wait for B-Connect */
31 * and 30000 ms, section 5.5, Table 5-1
33 /* A-Idle to B-Disconnect */
35 * TA_AIDL_BDIS: section 5.5, Table 5-1
37 /* B-Idle to A-Disconnect */
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/openbmc/linux/Documentation/arch/ia64/
H A Daliasing.rst2 Memory Attribute Aliasing on IA-64
19 WB Write-back (cacheable)
21 WC Write-coalescing
25 used for memory-mapped I/O devices. The WC attribute is uncacheable
41 supported attributes for each region. At boot-time, the kernel uses
62 boot-time information is required for kexec.
75 Therefore, kern_memmap contains only full granule-sized regions that
97 ----------------
112 -----------------------------------------
127 ------------------------------
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/openbmc/openbmc/poky/meta/files/common-licenses/
H A DWidget-Workshop4 its documentation for NON-COMMERCIAL or COMMERCIAL purposes and
9 FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. WIDGET WORKSHOP
12 THIS SOFTWARE IS NOT DESIGNED OR INTENDED FOR USE OR RESALE AS ON-LINE
13 CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE PERFORMANCE,
/openbmc/linux/drivers/gpu/drm/v3d/
H A Dv3d_gem.c1 // SPDX-License-Identifier: GPL-2.0+
2 /* Copyright (C) 2014-2018 Broadcom */
5 #include <linux/dma-mapping.h>
30 if (v3d->ver < 40) in v3d_init_core()
56 DRM_ERROR("Failed to wait for safe GMP shutdown\n"); in v3d_idle_axi()
63 if (v3d->ver >= 41) in v3d_idle_gca()
71 DRM_ERROR("Failed to wait for safe GCA shutdown\n"); in v3d_idle_gca()
85 /* GFXH-1383: The SW_INIT may cause a stray write to address 0 in v3d_reset_by_bridge()
86 * of the unit, so reset it to its power-on value here. in v3d_reset_by_bridge()
101 if (v3d->reset) in v3d_reset_v3d()
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/openbmc/linux/include/linux/
H A Dpercpu-refcount.h1 /* SPDX-License-Identifier: GPL-2.0 */
7 * This implements a refcount with similar semantics to atomic_t - atomic_inc(),
8 * atomic_dec_and_test() - but percpu.
15 * The refcount will have a range of 0 to ((1U << 31) - 1), i.e. one bit less
16 * than an atomic_t - this is because of the way shutdown works, see
20 * refcount hitting 0 - it can't, if it was in percpu mode. percpu_ref_kill()
24 * it's safe to drop the initial ref.
35 * and it's then safe to drop the initial ref with percpu_ref_put().
44 * once - percpu_ref_kill() does this for you, it returns true once and false if
62 /* flags set in the lower bits of percpu_ref->percpu_count_ptr */
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/openbmc/linux/arch/s390/kernel/
H A Duv.c1 // SPDX-License-Identifier: GPL-2.0
53 return -1; in uv_init()
71 goto fail; in setup_uv()
76 goto fail; in setup_uv()
82 fail: in setup_uv()
100 return -EINVAL; in uv_pin_shared()
123 * page. Let us emulate the newer variant (no-op). in uv_destroy_page()
127 return -EINVAL; in uv_destroy_page()
143 clear_bit(PG_arch_1, &page->flags); in uv_destroy_owned_page()
163 return -EINVAL; in uv_convert_from_secure()
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/openbmc/phosphor-logging/extensions/openpower-pels/
H A Dlog_id.cpp8 * http://www.apache.org/licenses/LICENSE-2.0
20 #include <phosphor-logging/lg2.hpp>
61 // Note: there isn't a need to be thread safe. in generatePELID()
86 if (idFile.fail()) in generatePELID()
102 if (idFile.fail()) in generatePELID()
/openbmc/linux/arch/um/include/asm/
H A Dfixmap.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 * Here we define all the compile-time 'special' virtual
16 * Also this lets us do fail-safe vmalloc(), we
18 * vmalloc()-ed addresses never overlap.
20 * these 'compile-time allocated' memory buffers are
21 * fixed-size 4k pages. (or larger if used with an increment
33 * fix-mapped?
50 #define FIXADDR_TOP (TASK_SIZE - 2 * PAGE_SIZE)
52 #define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE)
54 #include <asm-generic/fixmap.h>
/openbmc/linux/arch/um/drivers/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
14 The User-Mode Linux environment allows you to create virtual serial
18 See <http://user-mode-linux.sourceforge.net/old/input.html> for more
38 It is safe to say 'Y' here.
44 lines to host pseudo-terminals. Access to both traditional
45 pseudo-terminals (/dev/pty*) and pts pseudo-terminals are controlled
48 It is safe to say 'Y' here.
55 (/dev/tty*) and the slave side of pseudo-terminals (/dev/ttyp* and
57 It is safe to say 'Y' here.
65 It is safe to say 'Y' here.
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/openbmc/linux/drivers/usb/host/
H A Dehci-mem.c1 // SPDX-License-Identifier: GPL-2.0+
6 /* this file is part of ehci-hcd.c */
8 /*-------------------------------------------------------------------------*/
12 * - data used only by the HCD ... kmalloc is fine
13 * - async and periodic schedules, shared by HC and HCD ... these
15 * - driver buffers, read/written by HC ... single shot DMA mapped
21 /*-------------------------------------------------------------------------*/
29 qtd->qtd_dma = dma; in ehci_qtd_init()
30 qtd->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT); in ehci_qtd_init()
31 qtd->hw_next = EHCI_LIST_END(ehci); in ehci_qtd_init()
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