4:51
     'ˆÈÌƒ¢Ç¾Ê Á    '/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_BOOTMEM_INFO_H
#define __LINUX_BOOTMEM_INFO_H

#include <linux/mm.h>
#include <linux/kmemleak.h>

/*
 * Types for free bootmem stored in page->lru.next. These have to be in
 * some random range in unsigned long space for debugging purposes.
 */
enum {
	MEMORY_HOTPLUG_MIN_BOOTMEM_TYPE = 12,
	SECTION_INFO = MEMORY_HOTPLUG_MIN_BOOTMEM_TYPE,
	MIX_SECTION_INFO,
	NODE_INFO,
	MEMORY_HOTPLUG_MAX_BOOTMEM_TYPE = NODE_INFO,
};

#ifdef CONFIG_HAVE_BOOTMEM_INFO_NODE
void __init register_page_bootmem_info_node(struct pglist_data *pgdat);

void get_page_bootmem(unsigned long info, struct page *page,
		      unsigned long type);
void put_page_bootmem(struct page *page);

/*
 * Any memory allocated via the memblock allocator and not via the
 * buddy will be marked reserved already in the memmap. For those
 * pages, we can call this function to free it to buddy allocator.
 */
static inline void free_bootmem_page(struct page *page)
{
	unsigned long magic = page->index;

	/*
	 * The reserve_bootmem_region sets the reserved flag on bootmem
	 * pages.
	 */
	VM_BUG_ON_PAGE(page_ref_count(page) != 2, page);

	if (magic == SECTION_INFO || magic == MIX_SECTION_INFO)
		put_page_bootmem(page);
	else
		VM_BUG_ON_PAGE(1, page);
}
#else
static inline void register_page_bootmem_info_node(struct pglist_data *pgdat)
{
}

static inline void put_page_bootmem(struct page *page)
{
}

static inline void get_page_bootmem(unsigned long info, struct page *page,
				    unsigned long type)
{
}

static inline void free_bootmem_page(struct page *page)
{
	kmemleak_free_part_phys(PFN_PHYS(page_to_pfn(page)), PAGE_SIZE);
	free_reserved_page(page);
}
#endif

#endif /* __LINUX_BOOTMEM_INFO_H */
     )ˆÈÌ„-8/Ç¾Ê ?÷     )/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * linux/mdio.h: definitions for MDIO (clause 45) transceivers
 * Copyright 2006-2009 Solarflare Communications Inc.
 */
#ifndef __LINUX_MDIO_H__
#define __LINUX_MDIO_H__

#include <uapi/linux/mdio.h>
#include <linux/bitfield.h>
#include <linux/mod_devicetable.h>

/* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit
 * IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips.
 */
#define MII_ADDR_C45		(1<<30)
#define MII_DEVADDR_C45_SHIFT	16
#define MII_DEVADDR_C45_MASK	GENMASK(20, 16)
#define MII_REGADDR_C45_MASK	GENMASK(15, 0)

struct gpio_desc;
struct mii_bus;
struct reset_control;

/* Multiple levels of nesting are possible. However typically this is
 * limited to nested DSA like layer, a MUX layer, and the normal
 * user. Instead of trying to handle the general case, just define
 * these cases.
 */
enum mdio_mutex_lock_class {
	MDIO_MUTEX_NORMAL,
	MDIO_MUTEX_MUX,
	MDIO_MUTEX_NESTED,
};

struct mdio_device {
	struct device dev;

	struct mii_bus *bus;
	char modalias[MDIO_NAME_SIZE];

	int (*bus_match)(struct device *dev, const struct device_driver *drv);
	void (*device_free)(struct mdio_device *mdiodev);
	void (*device_remove)(struct mdio_device *mdiodev);

	/* Bus address of the MDIO device (0-31) */
	int addr;
	int flags;
	int reset_state;
	struct gpio_desc *reset_gpio;
	struct reset_control *reset_ctrl;
	unsigned int reset_assert_delay;
	unsigned int reset_deassert_delay;
};

#define to_mdio_device(__dev)	container_of_const(__dev, struct mdio_device, dev)

/* struct mdio_driver_common: Common to all MDIO drivers */
struct mdio_driver_common {
	struct device_driver driver;
	int flags;
};
#define MDIO_DEVICE_FLAG_PHY		1

#define to_mdio_common_driver(__drv_c)	container_of_const(__drv_c, struct mdio_driver_common,	\
							   driver)

/* struct mdio_driver: Generic MDIO driver */
struct mdio_driver {
	struct mdio_driver_common mdiodrv;

	/*
	 * Called during discovery.  Used to set
	 * up device-specific structures, if any
	 */
	int (*probe)(struct mdio_device *mdiodev);

	/* Clears up any memory if needed */
	void (*remove)(struct mdio_device *mdiodev);

	/* Quiesces the device on system shutdown, turns off interrupts etc */
	void (*shutdown)(struct mdio_device *mdiodev);
};

#de