/****************************************************************************** * acpi.h * acpi file for domain 0 kernel * * Copyright (c) 2011 Konrad Rzeszutek Wilk * Copyright (c) 2011 Yu Ke * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation; or, when distributed * separately from the Linux kernel or incorporated into other * software packages, subject to the following license: * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this source file (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, modify, * merge, publish, distribute, sublicense, and/or sell copies of the Software, * and to permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #ifndef _XEN_ACPI_H #define _XEN_ACPI_H #include #ifdef CONFIG_XEN_DOM0 #include #include #include #define ACPI_MEMORY_DEVICE_CLASS "memory" #define ACPI_MEMORY_DEVICE_HID "PNP0C80" #define ACPI_MEMORY_DEVICE_NAME "Hotplug Mem Device" int xen_stub_memory_device_init(void); void xen_stub_memory_device_exit(void); #define ACPI_PROCESSOR_CLASS "processor" #define ACPI_PROCESSOR_DEVICE_HID "ACPI0007" #define ACPI_PROCESSOR_DEVICE_NAME "Processor" int xen_stub_processor_init(void); void xen_stub_processor_exit(void); void xen_pcpu_hotplug_sync(void); int xen_pcpu_id(uint32_t acpi_id); static inline int xen_acpi_get_pxm(acpi_handle h) { unsigned long long pxm; acpi_status status; acpi_handle handle; acpi_handle phandle = h; do { handle = phandle; status = acpi_evaluate_integer(handle, "_PXM", NULL, &pxm); if (ACPI_SUCCESS(status)) return pxm; status = acpi_get_parent(handle, &phandle); } while (ACPI_SUCCESS(status)); return -ENXIO; } int xen_acpi_notify_hypervisor_sleep(u8 sleep_state, u32 pm1a_cnt, u32 pm1b_cnd); int xen_acpi_notify_hypervisor_extended_sleep(u8 sleep_state, u32 val_a, u32 val_b); static inline int xen_acpi_suspend_lowlevel(void) { /* * Xen will save and restore CPU context, so * we can skip that and just go straight to * the suspend. */ acpi_enter_sleep_state(ACPI_STATE_S3); return 0; } static inline void xen_acpi_sleep_register(void) { if (xen_initial_domain()) { acpi_os_set_prepare_sleep( &xen_acpi_notify_hypervisor_sleep); acpi_os_set_prepare_extended_sleep( &xen_acpi_notify_hypervisor_extended_sleep); acpi_suspend_lowlevel = xen_acpi_suspend_lowlevel; } } #else static inline void xen_acpi_sleep_register(void) { } #endif #endif /* _XEN_ACPI_H */ mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2016-10-27 19:58:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-27 19:58:39 -0700
commit14970f204b1993af7459d5bd34aaff38dfee6670 (patch)
tree1103cabe48e2a51fd6a62052600bd1b0cee7cc3e
parent67463e54beb63114965c3d2c7cb81d1d524e2697 (diff)
parent8e819101ce6fcc58801c9a813ea99c4da0255eef (diff)
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "20 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: drivers/misc/sgi-gru/grumain.c: remove bogus 0x prefix from printk cris/arch-v32: cryptocop: print a hex number after a 0x prefix ipack: print a hex number after a 0x prefix block: DAC960: print a hex number after a 0x prefix fs: exofs: print a hex number after a 0x prefix lib/genalloc.c: start search from start of chunk mm: memcontrol: do not recurse in direct reclaim CREDITS: update credit information for Martin Kepplinger proc: fix NULL dereference when reading /proc/<pid>/auxv mm: kmemleak: ensure that the task stack is not freed during scanning lib/stackdepot.c: bump stackdepot capacity from 16MB to 128MB latent_entropy: raise CONFIG_FRAME_WARN by default kconfig.h: remove config_enabled() macro ipc: account for kmem usage on mqueue and msg mm/slab: improve performance of gathering slabinfo stats mm: page_alloc: use KERN_CONT where appropriate mm/list_lru.c: avoid error-path NULL pointer deref h8300: fix syscall restarting kcov: properly check if we are in an interrupt mm/slab: fix kmemcg cache creation delayed issue