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/openbmc/qemu/docs/specs/
H A Dacpi_mem_hotplug.rst32 no device check event to OSPM was issued.
36 no device eject request to OSPM was issued.
38 reserved and should be ignored by OSPM
52 OST event code reported by OSPM
54 OST status code reported by OSPM
63 reserved, OSPM must clear it before writing to register.
68 if set to 1 clears device insert event, set by OSPM
72 if set to 1 clears device remove event, set by OSPM
76 if set to 1 initiates device eject, set by OSPM when it
79 reserved, OSPM must clear them before writing to register
[all …]
H A Dacpi_cpu_hotplug.rst78 no device check event to OSPM was issued.
82 no device eject request to OSPM was issued. Firmware must
85 reserved and should be ignored by OSPM
87 if set to 1, OSPM requests firmware to perform device eject.
89 reserved and should be ignored by OSPM
123 reserved, OSPM must clear it before writing to register.
125 if set to 1 clears device insert event, set by OSPM
129 if set to 1 clears device remove event, set by OSPM
133 if set to 1 initiates device eject, set by OSPM when it
138 if set to 1, OSPM hands over device eject to firmware.
[all …]
H A Dacpi_nvdimm.rst144 | 1. OSPM | | 2. OSPM |
162 | 6 OSPM | | 7 OSPM |
222 The FIT offset is maintained by the OSPM itself, current offset plus
224 OSPM should read. When all FIT data has been read out, zero fit data
227 If it returns status code 0x100, OSPM should restart to read FIT (read
/openbmc/qemu/qapi/
H A Dacpi.json83 # OSPM Status Indication for a device For description of possible
84 # values of @source and @status fields see "_OST (OSPM Status
107 # @query-acpi-ospm-status:
116 # -> { "execute": "query-acpi-ospm-status" }
123 { 'command': 'query-acpi-ospm-status', 'returns': ['ACPIOSTInfo'] }
130 # @info: OSPM Status Indication
H A Dpragma.json82 'ACPISlotType', # query-acpi-ospm-status
/openbmc/linux/Documentation/admin-guide/pm/
H A Dcpufreq_drivers.rst114 firmware and OSPM. It is a mechanism for coordinating processor
117 The PCC driver (pcc-cpufreq) allows OSPM to take advantage of the PCC
150 or throttle states (_PSS, _TSS and related ACPI objects) to OSPM. Therefore,
154 However, OSPM remains in control of policy. The governor (eg: "ondemand")
167 This command is used by the OSPM to query the running frequency of the
175 This command is used by the OSPM to communicate to the platform firmware the
177 ignored by OSPM. The next invocation of "Get Average Frequency" will inform
178 OSPM if the desired frequency was achieved or not.
238 by OSPM. An example:
267 PCC do not implement SW_ALL. So OSPM doesn't need to perform any coordination
/openbmc/linux/Documentation/PCI/
H A Dacpi-info.rst102 ISA bus), OSPM enumerates the devices' identifier(s) and the ACPI
104 enable OSPM to do that.
114 [_SRS]. The information is used by the Plug and Play OS (OSPM) to
118 OSPM uses device configuration objects to configure hardware resources
124 When OSPM enumerates a device, it calls _PRS to determine the resource
/openbmc/u-boot/arch/x86/lib/
H A Dacpi.c100 * or reset this bit. OSPM always preserves this bit position. in enter_acpi_mode()
104 * system, and expose ourselves to OSPM as working under ACPI mode in enter_acpi_mode()
/openbmc/qemu/hw/acpi/
H A Dghes.c353 * We only provide the first bit in Read Ack Register to OSPM to write in build_ghes_v2()
425 /* zero means OSPM does not acknowledge the error */ in acpi_ghes_record_errors()
427 error_report("OSPM does not acknowledge previous error," in acpi_ghes_record_errors()
432 * Clear the Read Ack Register, OSPM will write it to 1 when in acpi_ghes_record_errors()
H A Dpcihp.c360 /* if unplug was requested before OSPM is initialized, in acpi_pcihp_device_unplug_request_cb()
365 * repeat unplug request later when OSPM has been booted. in acpi_pcihp_device_unplug_request_cb()
H A Dnvdimm.c393 * It provides information that allows OSPM to enumerate NVDIMM present in
607 * OSPM in nvdimm_dsm_root()
1049 * OSPM in nvdimm_build_common_dsm()
1262 * _ADR object that is used to supply OSPM with unique address in nvdimm_build_nvdimm_devices()
1392 * OSPM. in nvdimm_build_ssdt()
/openbmc/qemu/include/hw/mem/
H A Dnvdimm.h121 * @dirty: It allows OSPM to detect change and restart read in
139 /* the IO region used by OSPM to transfer control to QEMU. */
/openbmc/linux/include/acpi/
H A Dproc_cap_intel.h4 * for Intel processors. Those bits are used to convey OSPM
H A Dactbl.h172 u32 ospm_flags; /* Flags to be set by OSPM (ACPI 4.0) */
204 u8 preferred_profile; /* Conveys preferred power management profile to OSPM. */
291 #define ACPI_FADT_PLATFORM_CLOCK (1<<15) /* 15: [V4] OSPM should use platform-provided timer (AC…
/openbmc/linux/drivers/thermal/intel/
H A Dintel_soc_dts_iosf.h15 /* Only 2 out of 4 is allowed for OSPM */
/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-class-mic48 On reading this entry after an OSPM resume,
50 the card was previously shutdown during OSPM
/openbmc/linux/Documentation/translations/zh_CN/PCI/
H A Dacpi-info.rst87 这些信息被即插即用操作系统（OSPM）用来配置设备。
/openbmc/linux/Documentation/devicetree/bindings/firmware/
H A Darm,scmi.yaml14 The SCMI is intended to allow agents such as OSPM to manage various functions
20 and Management Interface Platform Design Document")[0] provide for OSPM in
H A Darm,scpi.yaml19 the SCPI provide for OSPM in the device tree.
/openbmc/linux/drivers/firmware/arm_scmi/
H A Dbase.c164 * OSPM is allowed to access
258 * Generally operating system is represented as "OSPM"
/openbmc/linux/drivers/acpi/acpica/
H A Dnsinit.c576 * _STA object, then OSPM assumes that all of the above bits are set (in in acpi_ns_init_one_device()
606 * valid. OSPM should continue enumeration below a device whose in acpi_ns_init_one_device()
619 * OSPM will not run the _INI and will not examine the children in acpi_ns_init_one_device()
H A Dhwxfsleep.c197 * We break sleeping into 2 stages so that OSPM can handle in ACPI_EXPORT_SYMBOL()
320 * We break wake/resume into 2 stages so that OSPM can handle in ACPI_EXPORT_SYMBOL()
/openbmc/linux/drivers/acpi/apei/
H A Dbert.c9 * handler receives control and processes the error. This gives OSPM a
/openbmc/u-boot/arch/x86/cpu/
H A Dcpu.c201 * Other than waiting for OSPM to request us to switch to ACPI in last_stage_init()
/openbmc/linux/drivers/acpi/
H A Dbus.c274 * OSPM supports platform coordinated low power idle(LPI) states
280 * ACPI 6.2 Section 6.2.11.2 'Platform-Wide OSPM Capabilities':
283 * spaces. OSPM support for this more flexible register space scheme is
593 * After initiating graceful shutdown, the ACPI spec requires OSPM in sb_notify_work()

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