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  A   ˆl–ß=¿JÅ!¶e8 EpÜ TÅ£Áƒ{_†I|¥+a–Ým_J*j"TâÆÅpM)‹FÿÁ 6    /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UVESAFB_H
#define _UVESAFB_H

#include <linux/types.h>

struct v86_regs {
	__u32 ebx;
	__u32 ecx;
	__u32 edx;
	__u32 esi;
	__u32 edi;
	__u32 ebp;
	__u32 eax;
	__u32 eip;
	__u32 eflags;
	__u32 esp;
	__u16 cs;
	__u16 ss;
	__u16 es;
	__u16 ds;
	__u16 fs;
	__u16 gs;
};

/* Task flags */
#define TF_VBEIB	0x01
#define TF_BUF_ESDI	0x02
#define TF_BUF_ESBX	0x04
#define TF_BUF_RET	0x08
#define TF_EXIT		0x10

struct uvesafb_task {
	__u8 flags;
	int buf_len;
	struct v86_regs regs;
};

/* Constants for the capabilities field
 * in vbe_ib */
#define VBE_CAP_CAN_SWITCH_DAC	0x01
#define VBE_CAP_VGACOMPAT	0x02

/* The VBE Info Block */
struct vbe_ib {
	char  vbe_signature[4];
	__u16 vbe_version;
	__u32 oem_string_ptr;
	__u32 capabilities;
	__u32 mode_list_ptr;
	__u16 total_memory;
	__u16 oem_software_rev;
	__u32 oem_vendor_name_ptr;
	__u32 oem_product_name_ptr;
	__u32 oem_product_rev_ptr;
	__u8  reserved[222];
	char  oem_data[256];
	char  misc_data[512];
} __attribute__ ((packed));

#endif /* _UVESAFB_H */
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         $   ˆl–Ü4ý( ©³( 	Å€fàB¦-ÿÆ„mçsÂÁÄ ?÷     /* SPDX-License-Identifier: GPL-2.0+ */
#ifndef _LINUX_XARRAY_H
#define _LINUX_XARRAY_H
/*
 * eXtensible Arrays
 * Copyright (c) 2017 Microsoft Corporation
 * Author: Matthew Wilcox <willy@infradead.org>
 *
 * See Documentation/core-api/xarray.rst for how to use the XArray.
 */

#include <linux/bitmap.h>
#include <linux/bug.h>
#include <linux/compiler.h>
#include <linux/gfp.h>
#include <linux/kconfig.h>
#include <linux/kernel.h>
#include <linux/rcupdate.h>
#include <linux/sched/mm.h>
#include <linux/spinlock.h>
#include <linux/types.h>

/*
 * The bottom two bits of the entry determine how the XArray interprets
 * the contents:
 *
 * 00: Pointer entry
 * 10: Internal entry
 * x1: Value entry or tagged pointer
 *
 * Attempting to store internal entries in the XArray is a bug.
 *
 * Most internal entries are pointers to the next node in the tree.
 * The following internal entries have a special meaning:
 *
 * 0-62: Sibling entries
 * 256: Retry entry
 * 257: Zero entry
 *
 * Errors are also represented as internal entries, but use the negative
 * space (-4094 to -2).  They're never stored in the slots array; only
 * returned by the normal API.
 */

#define BITS_PER_XA_VALUE	(BITS_PER_LONG - 1)

/**
 * xa_mk_value() - Create an XArray entry from an integer.
 * @v: Value to store in XArray.
 *
 * Context: Any context.
 * Return: An entry suitable for storing in the XArray.
 */
static inline void *xa_mk_value(unsigned long v)
{
	WARN_ON((long)v < 0);
	return (void *)((v << 1) | 1);
}

/**
 * xa_to_value() - Get value stored in an XArray entry.
 * @entry: XArray entry.
 *
 * Context: Any context.
 * Return: The value stored in the XArray entry.
 */
static inline unsigned long xa_to_value(const void *entry)
{
	return (unsigned long)entry >> 1;
}

/**
 * xa_is_value() - Determine if an entry is a value.
 * @entry: XArray entry.
 *
 * Context: Any context.
 * Return: True if the entry is a value, false if it is a pointer.
 */
static inline bool xa_is_value(const void *entry)
{
	return (unsigned long)entry & 1;
}

/**
 * xa_tag_pointer() - Create an XArray entry for a tagged pointer.
 * @p: Plain pointer.
 * @tag: Tag value (0, 1 or 3).
 *
 * If the user of the XArray prefers, they can tag their pointers instead
 * of storing value entries.  Three tags are available (0, 1 and 3).
 * These are distinct from the xa_mark_t as they are not replicated up
 * through the array and cannot be searched for.
 *
 * Context: Any context.
 * Return: An XArray entry.
 */
static inline void *xa_tag_pointer(void *p, unsigned long tag)
{
	return (void *)((unsigned long)p | tag);
}

/**
 * xa_untag_pointer() - Turn an XArr