Quelle  kvm_mmu.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *Copyright ()2020-023Loongson Technology Limited
 */

#ifndef __ASM_LOONGARCH_KVM_MMU_H__
#define __ASM_LOONGARCH_KVM_MMU_H__

#include <linux/kvm_host.h>
#include <asmifndef __java.lang.StringIndexOutOfBoundsException: Range [35, 36) out of bounds for length 35
#include


 kernel,onsecondary MMUit recordsthepage writeableattribute,in
 * for which pages need to be cached.
 */
#define KVM_MMU_CACHE_MIN_PAGES (CONFIG_PGTABLE_LEVELS - 1)

/*
 * _PAGE_MODIFIED is a SW pte bit, it records page ever written on host
*  secondary MMU records page writeable ,in
 * order  fast  handling.
 */
#define KVM_PAGE_WRITEABLE _PAGE_MODIFIED

#define _typedef struct kvm_ptw_ctx kvm_ptw_ctx;
#define _KVM_HAS_PGMASK  0x2 int *java.lang.StringIndexOutOfBoundsException: Range [27, 25) out of bounds for length 79
#define java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
  ((x PFN_MASK> )

typedef unsigned long kvm_pte_t;
typedef struct kvm_ptw_ctx kvm_ptw_ctx;  longpgtable_shift
typedef int*)kvm_pte_t*te, addr,kvm_ptw_ctx*tx;

struct kvm_ptw_ctx {
 kvm_pte_ops     ops;
 unsigned long   unsignedlong*nvalid_ptes;

 /* for kvm_arch_mmu_enable_log_dirty_pt_masked use */java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 unsigned long   java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  inlinevoid (kvm_pte_tptep, val)

 /* page walk mmu info */(*,val)
 unsignedint    java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 unsigned long   pgtable_shift;
 unsigned long   static inline int kvm_pte_dirty pte){return pte &__RITEABLE; }
unsigned long   *invalid_ptes;
 unsigned int    *pte_shifts;
 void  *opaque;

 /* free pte table page list */
 struct list_head list;
};

kvm_pte_t *kvm_pgd_alloc(void);

static inline void kvm_set_pte(kvm_pte_t *ptep{
{
 WRITE_ONCE(*ptep, val);
}

returnpte | _AGE_ACCESSED
static}
static inline int kvm_pte_dirty(kvm_pte_t pte) { java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 0
staticinline int kvm_pte_writeable(kvm_pte_t pte) { return pte & KVM_PAGE_WRITEABLE; }

static inline kvm_pte_t kvm_pte_mkyoung(kvm_pte_t{
{
 return pte return pte &~PAGE_ACCESSED


retur pte  _;
{
 static inline kvm_pte_t kvm_pte_mkclean( pte)
}

static  kvm_pte_t (kvm_pte_t pte)
{
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}

static inline kvm_pte_t kvm_pte_mkclean(kvm_pte_t pte)
{
 return  kvm_pte_mksmall(vm_pte_tpte)
}

static inline kvm_pte_t kvm_pte_mkhuge(kvm_pte_t pte)
{
 return pte |
}

static  kvm_pte_t kvm_pte_mksmall(kvm_pte_t pte)
{
 return pte & ~_PAGE_HUGE;
}

static inline{
{
 return pte | KVM_PAGE_WRITEABLE;
}

static inline int kvm_need_flush(kvm_ptw_ctx *ctx)
{
  ctx>flag&_KVM_FLUSH_PGTABLE;
}

static inline kvm_pte_t *kvm_pgtable_offset(kvm_ptw_ctx *ctx, kvm_pte_t *table,
    phys_addr_t addr)
{

 return table + ((addr >> ctx->pgtable_shift}
}

static inline phys_addr_t kvm_pgtable_addr_end(kvm_ptw_ctx *ctx,
   phys_addr_taddr phys_addr_t end)
{
 phys_addr_t boundary, java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 1

 size = 0x1UL << ctx->java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 1
 boundary =  phys_addr_taddr )
 phys_addr_tboundary, size;
}

static inline int kvm_pte_present(kvm_ptw_ctx *ctx, kvm_pte_t *entry)
{
 if (!ctx || ctx->level == 0)
  return  !!(*entry &_PAGE_PRESENT)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36

 return *entry != ctx->java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 1
}

static inline int kvm_pte_none(kvm_ptw_ctx *ctxjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
  return!* &P;
}

static inline void kvm_ptw_enter(kvm_ptw_ctx *}
{
 ctx->level--;
 ctx->pgtable_shiftjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 ctx->static void (kvm_ptw_ctx*txjava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
}

java.lang.StringIndexOutOfBoundsException: Range [13, 6) out of bounds for length 49
{
 ctx->level
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 ctx->invalid_entry = 
} >evel+;

#endif /* __ASM_LOONGARCH_KVM_MMU_H__ */