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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/sparc/include/asm/cacheflush_32.h
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#ifndef _SPARC_CACHEFLUSH_H

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#define _SPARC_CACHEFLUSH_H

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#include <linux/mm.h>		/* Common for other includes */

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// #include <linux/kernel.h> from pgalloc.h

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// #include <linux/sched.h>  from pgalloc.h

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// #include <asm/page.h>

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#include <asm/btfixup.h>

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/*

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 * Fine grained cache flushing.

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 */

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#ifdef CONFIG_SMP

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BTFIXUPDEF_CALL(void, local_flush_cache_all, void)

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BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *)

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BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)

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BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long)

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#define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)()

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#define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm)

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#define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end)

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#define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr)

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BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long)

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BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long)

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#define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr)

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#define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr)

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extern void smp_flush_cache_all(void);

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extern void smp_flush_cache_mm(struct mm_struct *mm);

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extern void smp_flush_cache_range(struct vm_area_struct *vma,

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				  unsigned long start,

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				  unsigned long end);

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extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page);

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extern void smp_flush_page_to_ram(unsigned long page);

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extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr);

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#endif /* CONFIG_SMP */

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BTFIXUPDEF_CALL(void, flush_cache_all, void)

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BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *)

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BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)

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BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long)

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#define flush_cache_all() BTFIXUP_CALL(flush_cache_all)()

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#define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)

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#define flush_cache_dup_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)

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#define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end)

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#define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr)

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#define flush_icache_range(start, end)		do { } while (0)

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#define flush_icache_page(vma, pg)		do { } while (0)

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#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)

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#define copy_to_user_page(vma, page, vaddr, dst, src, len) \

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	do {							\

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		flush_cache_page(vma, vaddr, page_to_pfn(page));\

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		memcpy(dst, src, len);				\

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	} while (0)

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#define copy_from_user_page(vma, page, vaddr, dst, src, len) \

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	do {							\

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		flush_cache_page(vma, vaddr, page_to_pfn(page));\

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		memcpy(dst, src, len);				\

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	} while (0)

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BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long)

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BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long)

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#define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr)

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#define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr)

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extern void sparc_flush_page_to_ram(struct page *page);

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#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1

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#define flush_dcache_page(page)			sparc_flush_page_to_ram(page)

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#define flush_dcache_mmap_lock(mapping)		do { } while (0)

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#define flush_dcache_mmap_unlock(mapping)	do { } while (0)

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#define flush_cache_vmap(start, end)		flush_cache_all()

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#define flush_cache_vunmap(start, end)		flush_cache_all()

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#endif /* _SPARC_CACHEFLUSH_H */

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