xnu-344.26.tar.gz

[apple/xnu.git] / osfmk / ppc / mappings.h

diff --git a/osfmk/ppc/mappings.h b/osfmk/ppc/mappings.h
index ebe99b036dcb787b1288c8b2888b6748d877eaf3..8c278ab08217637e5c552034fc8da7f478642a0d 100644 (file)
--- a/osfmk/ppc/mappings.h
+++ b/osfmk/ppc/mappings.h
@@ -80,16 +80,37 @@ typedef struct blokmap {
        unsigned int            PTEr;                   /* Real half of HW PTE at base address */
        unsigned int            space;                  /* Cached VSID */
        unsigned int            blkFlags;               /* Flags for this block */
-#define blkPerm 0x80000000
-#define blkPermbit 0
-       unsigned int            gas3;                   /* Reserved */
+#define blkPerm        0x80000000
+#define blkRem         0x40000000
+#define blkPermbit     0
+#define blkRembit      1
+       unsigned int            current;                /* Partial block remove current start */
        unsigned int            gas4;                   /* Reserved */
 } blokmap;
 
 #define ODDBLKMIN (8 * PAGE_SIZE)
+#define        BLKREMMAX 128
 
 #define MAPPING_NULL   ((struct mapping *) 0)
 
+#define mapDirect 0x08
+#define mapRWNA   0x00000000
+#define mapRWRO   0x00000001
+#define mapRWRW   0x00000002
+#define mapRORO   0x00000003
+
+
+typedef struct mfmapping {
+       struct pmap                     *pmap;
+       vm_offset_t                     offset;
+} mfmapping;
+
+typedef struct mappingflush {
+       PCA                             *pcaptr;
+       unsigned int            mappingcnt;
+       struct mfmapping        mapping[8];
+} mappingflush;
+
 typedef struct mappingctl {
        unsigned int            mapclock;               /* Mapping allocation lock */
        unsigned int            mapcrecurse;    /* Mapping allocation recursion control */
@@ -104,7 +125,8 @@ typedef struct mappingctl {
        unsigned int            mapcallocc;             /* Total calls to mapping alloc */
        unsigned int            mapcmin;                /* Minimum free mappings to keep */
        unsigned int            mapcmaxalloc;   /* Maximum number of mappings allocated at one time */
-       unsigned int            mapcgas[3];             /* Pad to 64 bytes */
+       struct mappingflush     mapcflush;
+       unsigned int            mapcgas[1];             /* Pad to 64 bytes */
 } mappingctl;
 
 #define MAPPERBLOK 127
@@ -128,6 +150,7 @@ extern void                 mapping_free_prime(void);                                       /* Primes the mapping block release
 extern void            mapping_prealloc(unsigned int);                         /* Preallocate mappings for large use */
 extern void            mapping_relpre(void);                                           /* Releases preallocate request */
 extern void            mapping_init(void);                                                     /* Do initial stuff */
+extern void            mapping_flush(void);
 extern mapping                 *mapping_alloc(void);                                           /* Obtain a mapping */
 extern void            mapping_free(struct mapping *mp);                       /* Release a mapping */
 extern boolean_t       mapping_tst_ref(struct phys_entry *pp);         /* Tests the reference bit of a physical page */
@@ -141,6 +164,7 @@ extern void                 mapping_protect_phys(struct phys_entry *pp, vm_prot_t prot, boolea
 extern void            mapping_protect(pmap_t pmap, vm_offset_t vaddr, vm_prot_t prot);        /* Change protection of a single mapping to page */
 extern mapping                 *mapping_make(pmap_t pmap, struct phys_entry *pp, vm_offset_t va, vm_offset_t pa, vm_prot_t prot, int attr, boolean_t locked);  /* Make an address mapping */
 extern void            mapping_purge(struct phys_entry *pp);           /* Remove all mappings for this physent */
+extern void            mapping_purge_pmap(struct phys_entry *pp, pmap_t pmap); /* Remove physent mappings for this pmap */
 extern vm_offset_t     mapping_p2v(pmap_t pmap, struct phys_entry *pp);        /* Finds first virtual mapping of a physical page in a space */
 extern void            mapping_phys_attr(struct phys_entry *pp, vm_prot_t prot, unsigned int wimg);    /* Sets the default physical page attributes */
 extern void            mapping_block_map_opt(pmap_t pmap, vm_offset_t va, vm_offset_t pa, vm_offset_t bnd, vm_size_t size, vm_prot_t prot, int attr);  /* Map a block optimally */
@@ -153,6 +177,7 @@ extern mapping              *hw_cpv(struct mapping *mapping);                       /* Converts a physical mapp
 extern mapping                 *hw_cvp(struct mapping *mapping);                       /* Converts a virtual mapping control block address to physical */
 extern void            hw_rem_map(struct mapping *mapping);            /* Remove a mapping from the system */
 extern void                    hw_add_map(struct mapping *mp, space_t space, vm_offset_t va);  /* Add a mapping to the PTEG hash list */
+extern void                    hw_select_mappings(struct mappingflush *mappingflush); /* Select user mappings in a PTEG */
 extern blokmap                 *hw_rem_blk(pmap_t pmap, vm_offset_t sva, vm_offset_t eva);     /* Remove a block that falls within a range */
 extern vm_offset_t     hw_cvp_blk(pmap_t pmap, vm_offset_t va);        /* Convert mapped block virtual to physical */
 extern blokmap                 *hw_add_blk(pmap_t pmap, struct blokmap *bmr);  /* Add a block to the pmap */