cregit-Linux how code gets into the kernel

Release 4.16 include/xen/acpi.h

Directory: include/xen
/******************************************************************************
 * acpi.h
 * acpi file for domain 0 kernel
 *
 * Copyright (c) 2011 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
 * Copyright (c) 2011 Yu Ke <ke.yu@intel.com>
 *
 * 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 <linux/types.h>

#ifdef CONFIG_XEN_DOM0
#include <asm/xen/hypervisor.h>
#include <xen/xen.h>
#include <linux/acpi.h>


#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; }

Contributors

PersonTokensPropCommitsCommitProp
Liu Jinsong79100.00%1100.00%
Total79100.00%1100.00%

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; }

Contributors

PersonTokensPropCommitsCommitProp
Konrad Rzeszutek Wilk18100.00%1100.00%
Total18100.00%1100.00%


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; } }

Contributors

PersonTokensPropCommitsCommitProp
Liu Jinsong1959.38%133.33%
Ben Guthro721.88%133.33%
Konrad Rzeszutek Wilk618.75%133.33%
Total32100.00%3100.00%

#else
static inline void xen_acpi_sleep_register(void) { }

Contributors

PersonTokensPropCommitsCommitProp
Liu Jinsong8100.00%1100.00%
Total8100.00%1100.00%

#endif #endif /* _XEN_ACPI_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Liu Jinsong18372.33%562.50%
Konrad Rzeszutek Wilk4919.37%225.00%
Ben Guthro218.30%112.50%
Total253100.00%8100.00%
Directory: include/xen
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