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/usr/src/linux-headers-5.15.0-181/arch/ia64/include/asm/

/usr/src/linux-headers-5.15.0-181/arch/ia64/include/asm

Name	Size	Mode	Actions
native/	-	0755	rm
sn/	-	0755	rm
uv/	-	0755	rm
acenv.h	1153	0644	edit dl rm
acpi-ext.h	444	0644	edit dl rm
acpi.h	2772	0644	edit dl rm
agp.h	863	0644	edit dl rm
asm-offsets.h	35	0644	edit dl rm
asm-prototypes.h	892	0644	edit dl rm
asmmacro.h	3372	0644	edit dl rm
atomic.h	6390	0644	edit dl rm
barrier.h	2414	0644	edit dl rm
bitops.h	11112	0644	edit dl rm
bug.h	404	0644	edit dl rm
cache.h	752	0644	edit dl rm
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checksum.h	1746	0644	edit dl rm
clocksource.h	276	0644	edit dl rm
cmpxchg.h	479	0644	edit dl rm
cpu.h	456	0644	edit dl rm
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current.h	418	0644	edit dl rm
cyclone.h	442	0644	edit dl rm
delay.h	1738	0644	edit dl rm
device.h	236	0644	edit dl rm
div64.h	31	0644	edit dl rm
dma-mapping.h	382	0644	edit dl rm
dma.h	351	0644	edit dl rm
dmi.h	343	0644	edit dl rm
early_ioremap.h	428	0644	edit dl rm
efi.h	374	0644	edit dl rm
elf.h	10025	0644	edit dl rm
emergency-restart.h	149	0644	edit dl rm
esi.h	887	0644	edit dl rm
exception.h	609	0644	edit dl rm
export.h	115	0644	edit dl rm
extable.h	330	0644	edit dl rm
fb.h	569	0644	edit dl rm
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futex.h	2616	0644	edit dl rm
gcc_intrin.h	368	0644	edit dl rm
hardirq.h	561	0644	edit dl rm
hugetlb.h	933	0644	edit dl rm
hw_irq.h	5776	0644	edit dl rm
idle.h	200	0644	edit dl rm
intrinsics.h	306	0644	edit dl rm
io.h	7527	0644	edit dl rm
iommu.h	505	0644	edit dl rm
iommu_table.h	175	0644	edit dl rm
iosapic.h	2752	0644	edit dl rm
irq.h	960	0644	edit dl rm
irqflags.h	2096	0644	edit dl rm
irq_regs.h	34	0644	edit dl rm
irq_remapping.h	142	0644	edit dl rm
Kbuild	139	0644	edit dl rm
kdebug.h	1011	0644	edit dl rm
kexec.h	1606	0644	edit dl rm
kprobes.h	3148	0644	edit dl rm
kregs.h	6890	0644	edit dl rm
libata-portmap.h	225	0644	edit dl rm
linkage.h	398	0644	edit dl rm
local.h	31	0644	edit dl rm
mca.h	6009	0644	edit dl rm
mca_asm.h	7356	0644	edit dl rm
meminit.h	1751	0644	edit dl rm
mman.h	432	0644	edit dl rm
mmiowb.h	433	0644	edit dl rm
mmu.h	374	0644	edit dl rm
mmu_context.h	5304	0644	edit dl rm
mmzone.h	869	0644	edit dl rm
module.h	1154	0644	edit dl rm
module.lds.h	394	0644	edit dl rm
msidef.h	1438	0644	edit dl rm
nodedata.h	1898	0644	edit dl rm
numa.h	2338	0644	edit dl rm
page.h	5856	0644	edit dl rm
pal.h	54674	0644	edit dl rm
param.h	439	0644	edit dl rm
parport.h	534	0644	edit dl rm
patch.h	1214	0644	edit dl rm
pci.h	2007	0644	edit dl rm
percpu.h	1354	0644	edit dl rm
pgalloc.h	1569	0644	edit dl rm
pgtable.h	19846	0644	edit dl rm
processor.h	17876	0644	edit dl rm
ptrace.h	5258	0644	edit dl rm
sal.h	27189	0644	edit dl rm
sections.h	1679	0644	edit dl rm
serial.h	446	0644	edit dl rm
shmparam.h	445	0644	edit dl rm
signal.h	749	0644	edit dl rm
smp.h	2514	0644	edit dl rm
sparsemem.h	785	0644	edit dl rm
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spinlock_types.h	475	0644	edit dl rm
string.h	659	0644	edit dl rm
switch_to.h	2702	0644	edit dl rm
syscall.h	1820	0644	edit dl rm
termios.h	1923	0644	edit dl rm
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timex.h	1502	0644	edit dl rm
tlb.h	1577	0644	edit dl rm
tlbflush.h	3165	0644	edit dl rm
topology.h	1408	0644	edit dl rm
types.h	828	0644	edit dl rm
uaccess.h	9730	0644	edit dl rm
uncached.h	314	0644	edit dl rm
unistd.h	987	0644	edit dl rm
unwind.h	5873	0644	edit dl rm
user.h	2299	0644	edit dl rm
ustack.h	403	0644	edit dl rm
vermagic.h	341	0644	edit dl rm
vga.h	649	0644	edit dl rm
vmalloc.h	90	0644	edit dl rm
xor.h	743	0644	edit dl rm
xtp.h	938	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/ia64/include/asm/page.h (5856B)

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_IA64_PAGE_H
#define _ASM_IA64_PAGE_H
/*
 * Pagetable related stuff.
 *
 * Copyright (C) 1998, 1999, 2002 Hewlett-Packard Co
 *	David Mosberger-Tang <davidm@hpl.hp.com>
 */

#include <asm/intrinsics.h>
#include <asm/types.h>

/*
 * The top three bits of an IA64 address are its Region Number.
 * Different regions are assigned to different purposes.
 */
#define RGN_SHIFT	(61)
#define RGN_BASE(r)	(__IA64_UL_CONST(r)<<RGN_SHIFT)
#define RGN_BITS	(RGN_BASE(-1))

#define RGN_KERNEL	7	/* Identity mapped region */
#define RGN_UNCACHED    6	/* Identity mapped I/O region */
#define RGN_GATE	5	/* Gate page, Kernel text, etc */
#define RGN_HPAGE	4	/* For Huge TLB pages */

/*
 * PAGE_SHIFT determines the actual kernel page size.
 */
#if defined(CONFIG_IA64_PAGE_SIZE_4KB)
# define PAGE_SHIFT	12
#elif defined(CONFIG_IA64_PAGE_SIZE_8KB)
# define PAGE_SHIFT	13
#elif defined(CONFIG_IA64_PAGE_SIZE_16KB)
# define PAGE_SHIFT	14
#elif defined(CONFIG_IA64_PAGE_SIZE_64KB)
# define PAGE_SHIFT	16
#else
# error Unsupported page size!
#endif

#define PAGE_SIZE		(__IA64_UL_CONST(1) << PAGE_SHIFT)
#define PAGE_MASK		(~(PAGE_SIZE - 1))

#define PERCPU_PAGE_SHIFT	18	/* log2() of max. size of per-CPU area */
#define PERCPU_PAGE_SIZE	(__IA64_UL_CONST(1) << PERCPU_PAGE_SHIFT)

#ifdef CONFIG_HUGETLB_PAGE
# define HPAGE_REGION_BASE	RGN_BASE(RGN_HPAGE)
# define HPAGE_SHIFT		hpage_shift
# define HPAGE_SHIFT_DEFAULT	28	/* check ia64 SDM for architecture supported size */
# define HPAGE_SIZE		(__IA64_UL_CONST(1) << HPAGE_SHIFT)
# define HPAGE_MASK		(~(HPAGE_SIZE - 1))

# define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
#endif /* CONFIG_HUGETLB_PAGE */

#ifdef __ASSEMBLY__
# define __pa(x)		((x) - PAGE_OFFSET)
# define __va(x)		((x) + PAGE_OFFSET)
#else /* !__ASSEMBLY */
#  define STRICT_MM_TYPECHECKS

extern void clear_page (void *page);
extern void copy_page (void *to, void *from);

/*
 * clear_user_page() and copy_user_page() can't be inline functions because
 * flush_dcache_page() can't be defined until later...
 */
#define clear_user_page(addr, vaddr, page)	\
do {						\
	clear_page(addr);			\
	flush_dcache_page(page);		\
} while (0)

#define copy_user_page(to, from, vaddr, page)	\
do {						\
	copy_page((to), (from));		\
	flush_dcache_page(page);		\
} while (0)

#define alloc_zeroed_user_highpage_movable(vma, vaddr)			\
({									\
	struct page *page = alloc_page_vma(				\
		GFP_HIGHUSER_MOVABLE | __GFP_ZERO, vma, vaddr);		\
	if (page)							\
 		flush_dcache_page(page);				\
	page;								\
})

#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE

#define virt_addr_valid(kaddr)	pfn_valid(__pa(kaddr) >> PAGE_SHIFT)

#include <asm-generic/memory_model.h>

#ifdef CONFIG_FLATMEM
# define pfn_valid(pfn)		((pfn) < max_mapnr)
#endif

#define page_to_phys(page)	(page_to_pfn(page) << PAGE_SHIFT)
#define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define pfn_to_kaddr(pfn)	__va((pfn) << PAGE_SHIFT)

typedef union ia64_va {
	struct {
		unsigned long off : 61;		/* intra-region offset */
		unsigned long reg :  3;		/* region number */
	} f;
	unsigned long l;
	void *p;
} ia64_va;

/*
 * Note: These macros depend on the fact that PAGE_OFFSET has all
 * region bits set to 1 and all other bits set to zero.  They are
 * expressed in this way to ensure they result in a single "dep"
 * instruction.
 */
#define __pa(x)		({ia64_va _v; _v.l = (long) (x); _v.f.reg = 0; _v.l;})
#define __va(x)		({ia64_va _v; _v.l = (long) (x); _v.f.reg = -1; _v.p;})

#define REGION_NUMBER(x)	({ia64_va _v; _v.l = (long) (x); _v.f.reg;})
#define REGION_OFFSET(x)	({ia64_va _v; _v.l = (long) (x); _v.f.off;})

#ifdef CONFIG_HUGETLB_PAGE
# define htlbpage_to_page(x)	(((unsigned long) REGION_NUMBER(x) << 61)			\
				 | (REGION_OFFSET(x) >> (HPAGE_SHIFT-PAGE_SHIFT)))
# define HUGETLB_PAGE_ORDER	(HPAGE_SHIFT - PAGE_SHIFT)
extern unsigned int hpage_shift;
#endif

static __inline__ int
get_order (unsigned long size)
{
	long double d = size - 1;
	long order;

order = ia64_getf_exp(d);
	order = order - PAGE_SHIFT - 0xffff + 1;
	if (order < 0)
		order = 0;
	return order;
}

#endif /* !__ASSEMBLY__ */

#ifdef STRICT_MM_TYPECHECKS
  /*
   * These are used to make use of C type-checking..
   */
  typedef struct { unsigned long pte; } pte_t;
  typedef struct { unsigned long pmd; } pmd_t;
#if CONFIG_PGTABLE_LEVELS == 4
  typedef struct { unsigned long pud; } pud_t;
#endif
  typedef struct { unsigned long pgd; } pgd_t;
  typedef struct { unsigned long pgprot; } pgprot_t;
  typedef struct page *pgtable_t;

# define pte_val(x)	((x).pte)
# define pmd_val(x)	((x).pmd)
#if CONFIG_PGTABLE_LEVELS == 4
# define pud_val(x)	((x).pud)
#endif
# define pgd_val(x)	((x).pgd)
# define pgprot_val(x)	((x).pgprot)

# define __pte(x)	((pte_t) { (x) } )
# define __pmd(x)	((pmd_t) { (x) } )
# define __pgprot(x)	((pgprot_t) { (x) } )

#else /* !STRICT_MM_TYPECHECKS */
  /*
   * .. while these make it easier on the compiler
   */
# ifndef __ASSEMBLY__
    typedef unsigned long pte_t;
    typedef unsigned long pmd_t;
    typedef unsigned long pgd_t;
    typedef unsigned long pgprot_t;
    typedef struct page *pgtable_t;
# endif

# define pte_val(x)	(x)
# define pmd_val(x)	(x)
# define pgd_val(x)	(x)
# define pgprot_val(x)	(x)

# define __pte(x)	(x)
# define __pgd(x)	(x)
# define __pgprot(x)	(x)
#endif /* !STRICT_MM_TYPECHECKS */

#define PAGE_OFFSET			RGN_BASE(RGN_KERNEL)

#define VM_DATA_DEFAULT_FLAGS	VM_DATA_FLAGS_TSK_EXEC

#define GATE_ADDR		RGN_BASE(RGN_GATE)

/*
 * 0xa000000000000000+2*PERCPU_PAGE_SIZE
 * - 0xa000000000000000+3*PERCPU_PAGE_SIZE remain unmapped (guard page)
 */
#define KERNEL_START		 (GATE_ADDR+__IA64_UL_CONST(0x100000000))
#define PERCPU_ADDR		(-PERCPU_PAGE_SIZE)
#define LOAD_OFFSET		(KERNEL_START - KERNEL_TR_PAGE_SIZE)

#define __HAVE_ARCH_GATE_AREA	1

#endif /* _ASM_IA64_PAGE_H */

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