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/usr/src/linux-headers-5.15.0-190/arch/arm64/include/asm/

/usr/src/linux-headers-5.15.0-190/arch/arm64/include/asm

Name	Size	Mode	Actions
vdso/	-	0755	rm
xen/	-	0755	rm
acenv.h	395	0644	edit dl rm
acpi.h	4942	0644	edit dl rm
alternative-macros.h	5537	0644	edit dl rm
alternative.h	1013	0644	edit dl rm
archrandom.h	3121	0644	edit dl rm
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arch_timer.h	4631	0644	edit dl rm
arm-cci.h	254	0644	edit dl rm
arm_dsu_pmu.h	3007	0644	edit dl rm
asm-bug.h	952	0644	edit dl rm
asm-offsets.h	35	0644	edit dl rm
asm-prototypes.h	958	0644	edit dl rm
asm-uaccess.h	2296	0644	edit dl rm
asm_pointer_auth.h	2432	0644	edit dl rm
assembler.h	21164	0644	edit dl rm
atomic.h	8618	0644	edit dl rm
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barrier.h	5429	0644	edit dl rm
bitops.h	850	0644	edit dl rm
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boot.h	369	0644	edit dl rm
brk-imm.h	889	0644	edit dl rm
bug.h	572	0644	edit dl rm
cache.h	3248	0644	edit dl rm
cacheflush.h	4873	0644	edit dl rm
checksum.h	1088	0644	edit dl rm
clocksource.h	136	0644	edit dl rm
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cpu.h	1520	0644	edit dl rm
cpufeature.h	29001	0644	edit dl rm
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current.h	517	0644	edit dl rm
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exception.h	3015	0644	edit dl rm
exec.h	278	0644	edit dl rm
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hardirq.h	2335	0644	edit dl rm
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insn-def.h	571	0644	edit dl rm
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io.h	6631	0644	edit dl rm
irq.h	395	0644	edit dl rm
irqflags.h	2933	0644	edit dl rm
irq_work.h	192	0644	edit dl rm
jump_label.h	1195	0644	edit dl rm
kasan.h	1568	0644	edit dl rm
Kbuild	186	0644	edit dl rm
kernel-pgtable.h	5023	0644	edit dl rm
kexec.h	2795	0644	edit dl rm
kfence.h	410	0644	edit dl rm
kgdb.h	3346	0644	edit dl rm
kprobes.h	1063	0644	edit dl rm
kvm_arm.h	12619	0644	edit dl rm
kvm_asm.h	9921	0644	edit dl rm
kvm_emulate.h	12462	0644	edit dl rm
kvm_host.h	25912	0644	edit dl rm
kvm_hyp.h	4389	0644	edit dl rm
kvm_mmu.h	8874	0644	edit dl rm
kvm_mte.h	1378	0644	edit dl rm
kvm_pgtable.h	19676	0644	edit dl rm
kvm_ptrauth.h	3543	0644	edit dl rm
kvm_ras.h	603	0644	edit dl rm
kvm_types.h	185	0644	edit dl rm
linkage.h	1751	0644	edit dl rm
lse.h	1267	0644	edit dl rm
memory.h	11838	0644	edit dl rm
mman.h	2699	0644	edit dl rm
mmu.h	2476	0644	edit dl rm
mmu_context.h	6944	0644	edit dl rm
mmzone.h	266	0644	edit dl rm
module.h	1810	0644	edit dl rm
module.lds.h	646	0644	edit dl rm
mshyperv.h	1387	0644	edit dl rm
mte-def.h	505	0644	edit dl rm
mte-kasan.h	3640	0644	edit dl rm
mte.h	3426	0644	edit dl rm
neon-intrinsics.h	959	0644	edit dl rm
neon.h	385	0644	edit dl rm
numa.h	165	0644	edit dl rm
page-def.h	441	0644	edit dl rm
page.h	1365	0644	edit dl rm
paravirt.h	580	0644	edit dl rm
patching.h	370	0644	edit dl rm
pci.h	764	0644	edit dl rm
percpu.h	8175	0644	edit dl rm
perf_event.h	10785	0644	edit dl rm
pgalloc.h	2269	0644	edit dl rm
pgtable-hwdef.h	10167	0644	edit dl rm
pgtable-prot.h	4302	0644	edit dl rm
pgtable-types.h	1305	0644	edit dl rm
pgtable.h	29965	0644	edit dl rm
pointer_auth.h	4651	0644	edit dl rm
preempt.h	2366	0644	edit dl rm
probes.h	650	0644	edit dl rm
proc-fns.h	562	0644	edit dl rm
processor.h	10002	0644	edit dl rm
ptdump.h	889	0644	edit dl rm
ptrace.h	10539	0644	edit dl rm
pvclock-abi.h	374	0644	edit dl rm
rwonce.h	2012	0644	edit dl rm
scs.h	497	0644	edit dl rm
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seccomp.h	870	0644	edit dl rm
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setup.h	195	0644	edit dl rm
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signal.h	650	0644	edit dl rm
signal32.h	1980	0644	edit dl rm
simd.h	1488	0644	edit dl rm
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spectre.h	3000	0644	edit dl rm
spinlock.h	601	0644	edit dl rm
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stackprotector.h	1359	0644	edit dl rm
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stack_pointer.h	247	0644	edit dl rm
stage2_pgtable.h	1058	0644	edit dl rm
stat.h	947	0644	edit dl rm
string.h	1972	0644	edit dl rm
suspend.h	1694	0644	edit dl rm
sync_bitops.h	1085	0644	edit dl rm
syscall.h	2146	0644	edit dl rm
syscall_wrapper.h	3120	0644	edit dl rm
sysreg.h	45773	0644	edit dl rm
system_misc.h	880	0644	edit dl rm
thread_info.h	3887	0644	edit dl rm
timex.h	343	0644	edit dl rm
tlb.h	2332	0644	edit dl rm
tlbflush.h	11891	0644	edit dl rm
topology.h	1203	0644	edit dl rm
trans_pgd.h	1036	0644	edit dl rm
traps.h	2909	0644	edit dl rm
uaccess.h	13718	0644	edit dl rm
unistd.h	1361	0644	edit dl rm
unistd32.h	31568	0644	edit dl rm
uprobes.h	579	0644	edit dl rm
vdso.h	631	0644	edit dl rm
vectors.h	1775	0644	edit dl rm
vermagic.h	200	0644	edit dl rm
virt.h	3569	0644	edit dl rm
vmalloc.h	694	0644	edit dl rm
vmap_stack.h	703	0644	edit dl rm
word-at-a-time.h	1797	0644	edit dl rm
xor.h	1668	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/arch/arm64/include/asm/cacheflush.h (4873B)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Based on arch/arm/include/asm/cacheflush.h
 *
 * Copyright (C) 1999-2002 Russell King.
 * Copyright (C) 2012 ARM Ltd.
 */
#ifndef __ASM_CACHEFLUSH_H
#define __ASM_CACHEFLUSH_H

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

/*
 * This flag is used to indicate that the page pointed to by a pte is clean
 * and does not require cleaning before returning it to the user.
 */
#define PG_dcache_clean PG_arch_1

/*
 *	MM Cache Management
 *	===================
 *
 *	The arch/arm64/mm/cache.S implements these methods.
 *
 *	Start addresses are inclusive and end addresses are exclusive; start
 *	addresses should be rounded down, end addresses up.
 *
 *	See Documentation/core-api/cachetlb.rst for more information. Please note that
 *	the implementation assumes non-aliasing VIPT D-cache and (aliasing)
 *	VIPT I-cache.
 *
 *	All functions below apply to the interval [start, end)
 *		- start  - virtual start address (inclusive)
 *		- end    - virtual end address (exclusive)
 *
 *	caches_clean_inval_pou(start, end)
 *
 *		Ensure coherency between the I-cache and the D-cache region to
 *		the Point of Unification.
 *
 *	caches_clean_inval_user_pou(start, end)
 *
 *		Ensure coherency between the I-cache and the D-cache region to
 *		the Point of Unification.
 *		Use only if the region might access user memory.
 *
 *	icache_inval_pou(start, end)
 *
 *		Invalidate I-cache region to the Point of Unification.
 *
 *	dcache_clean_inval_poc(start, end)
 *
 *		Clean and invalidate D-cache region to the Point of Coherency.
 *
 *	dcache_inval_poc(start, end)
 *
 *		Invalidate D-cache region to the Point of Coherency.
 *
 *	dcache_clean_poc(start, end)
 *
 *		Clean D-cache region to the Point of Coherency.
 *
 *	dcache_clean_pop(start, end)
 *
 *		Clean D-cache region to the Point of Persistence.
 *
 *	dcache_clean_pou(start, end)
 *
 *		Clean D-cache region to the Point of Unification.
 */
extern void caches_clean_inval_pou(unsigned long start, unsigned long end);
extern void icache_inval_pou(unsigned long start, unsigned long end);
extern void dcache_clean_inval_poc(unsigned long start, unsigned long end);
extern void dcache_inval_poc(unsigned long start, unsigned long end);
extern void dcache_clean_poc(unsigned long start, unsigned long end);
extern void dcache_clean_pop(unsigned long start, unsigned long end);
extern void dcache_clean_pou(unsigned long start, unsigned long end);
extern long caches_clean_inval_user_pou(unsigned long start, unsigned long end);
extern void sync_icache_aliases(unsigned long start, unsigned long end);

static inline void flush_icache_range(unsigned long start, unsigned long end)
{
	caches_clean_inval_pou(start, end);

/*
	 * IPI all online CPUs so that they undergo a context synchronization
	 * event and are forced to refetch the new instructions.
	 */

/*
	 * KGDB performs cache maintenance with interrupts disabled, so we
	 * will deadlock trying to IPI the secondary CPUs. In theory, we can
	 * set CACHE_FLUSH_IS_SAFE to 0 to avoid this known issue, but that
	 * just means that KGDB will elide the maintenance altogether! As it
	 * turns out, KGDB uses IPIs to round-up the secondary CPUs during
	 * the patching operation, so we don't need extra IPIs here anyway.
	 * In which case, add a KGDB-specific bodge and return early.
	 */
	if (in_dbg_master())
		return;

kick_all_cpus_sync();
}
#define flush_icache_range flush_icache_range

/*
 * Cache maintenance functions used by the DMA API. No to be used directly.
 */
extern void __dma_map_area(const void *, size_t, int);
extern void __dma_unmap_area(const void *, size_t, int);
extern void __dma_flush_area(const void *, size_t);

/*
 * Copy user data from/to a page which is mapped into a different
 * processes address space.  Really, we want to allow our "user
 * space" model to handle this.
 */
extern void copy_to_user_page(struct vm_area_struct *, struct page *,
	unsigned long, void *, const void *, unsigned long);
#define copy_to_user_page copy_to_user_page

/*
 * flush_dcache_page is used when the kernel has written to the page
 * cache page at virtual address page->virtual.
 *
 * If this page isn't mapped (ie, page_mapping == NULL), or it might
 * have userspace mappings, then we _must_ always clean + invalidate
 * the dcache entries associated with the kernel mapping.
 *
 * Otherwise we can defer the operation, and clean the cache when we are
 * about to change to user space.  This is the same method as used on SPARC64.
 * See update_mmu_cache for the user space part.
 */
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
extern void flush_dcache_page(struct page *);

static __always_inline void icache_inval_all_pou(void)
{
	if (cpus_have_const_cap(ARM64_HAS_CACHE_DIC))
		return;

asm("ic	ialluis");
	dsb(ish);
}

#include <asm-generic/cacheflush.h>

#endif /* __ASM_CACHEFLUSH_H */

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