xnu-2782.40.9.tar.gz

[apple/xnu.git] / bsd / sys / ubc_internal.h

diff --git a/bsd/sys/ubc_internal.h b/bsd/sys/ubc_internal.h
index d7197f089707ffe87193b9d9db0221cfc5c285d3..90424d745b26b5dbaf4d9403d23a91080ae8da7c 100644 (file)
--- a/bsd/sys/ubc_internal.h
+++ b/bsd/sys/ubc_internal.h
@@ -108,6 +108,9 @@ struct cs_blob {
        vm_offset_t     csb_mem_offset;
        vm_address_t    csb_mem_kaddr;
        unsigned char   csb_sha1[SHA1_RESULTLEN];
+       unsigned int    csb_sigpup;
+       const char      *csb_teamid;
+       unsigned int    csb_platform_binary; 
 };
 
 /*
@@ -117,14 +120,17 @@ struct cs_blob {
 struct ubc_info {
        memory_object_t         ui_pager;       /* pager */
        memory_object_control_t ui_control;     /* VM control for the pager */
-       uint32_t                ui_flags;       /* flags */
        vnode_t                 ui_vnode;       /* vnode for this ubc_info */
        kauth_cred_t            ui_ucred;       /* holds credentials for NFS paging */
        off_t                   ui_size;        /* file size for the vnode */
+       uint32_t                ui_flags;       /* flags */
+       uint32_t                cs_add_gen;     /* generation count when csblob was validated */
 
         struct cl_readahead   *cl_rahead;      /* cluster read ahead context */
         struct cl_writebehind *cl_wbehind;     /* cluster write behind context */
 
+       struct timespec         cs_mtime;       /* modify time of file when
+                                                  first cs_blob was loaded */
        struct  cs_blob         *cs_blobs;      /* for CODE SIGNING */
 #if CHECK_CS_VALIDATION_BITMAP
        void                    *cs_valid_bitmap;     /* right now: used only for signed files on the read-only root volume */
@@ -144,13 +150,14 @@ struct ubc_info {
 #define        UI_ISMAPPED     0x00000010      /* vnode is currently mapped */
 #define UI_MAPBUSY     0x00000020      /* vnode is being mapped or unmapped */
 #define UI_MAPWAITING  0x00000040      /* someone waiting for UI_MAPBUSY */
+#define UI_MAPPEDWRITE 0x00000080      /* it's mapped with PROT_WRITE */
 
 /*
  * exported primitives for loadable file systems.
  */
 
 __BEGIN_DECLS
-__private_extern__ void ubc_init(void) __attribute__((section("__TEXT, initcode")));;
+__private_extern__ void ubc_init(void);
 __private_extern__ int ubc_umount(mount_t mp);
 __private_extern__ void        ubc_unmountall(void);
 __private_extern__ memory_object_t ubc_getpager(vnode_t);
@@ -159,7 +166,7 @@ __private_extern__ void     ubc_destroy_named(vnode_t);
 /* internal only */
 __private_extern__ void        cluster_release(struct ubc_info *);
 __private_extern__ uint32_t cluster_max_io_size(mount_t, int);
-__private_extern__ uint32_t cluster_hard_throttle_limit(vnode_t, uint32_t *, uint32_t);
+__private_extern__ uint32_t cluster_throttle_io_limit(vnode_t, uint32_t *);
 
 
 /* Flags for ubc_getobject() */
@@ -179,14 +186,19 @@ int       ubc_isinuse_locked(vnode_t, int, int);
 
 int    ubc_getcdhash(vnode_t, off_t, unsigned char *);
 
+__attribute__((pure)) boolean_t ubc_is_mapped(const struct vnode *, boolean_t *writable);
+__attribute__((pure)) boolean_t ubc_is_mapped_writable(const struct vnode *);
+
 #ifdef XNU_KERNEL_PRIVATE
-int UBCINFOEXISTS(vnode_t);
+int UBCINFOEXISTS(const struct vnode *);
 #endif /* XNU_KERNEL_PRIVATE */
 
 /* code signing */
 struct cs_blob;
-int    ubc_cs_blob_add(vnode_t, cpu_type_t, off_t, vm_address_t, vm_size_t);
+int    ubc_cs_blob_add(vnode_t, cpu_type_t, off_t, vm_address_t, vm_size_t, int);
+int    ubc_cs_sigpup_add(vnode_t, vm_address_t, vm_size_t);
 struct cs_blob *ubc_get_cs_blobs(vnode_t);
+void   ubc_get_cs_mtime(vnode_t, struct timespec *);
 int    ubc_cs_getcdhash(vnode_t, off_t, unsigned char *);
 kern_return_t ubc_cs_blob_allocate(vm_offset_t *, vm_size_t *);
 void ubc_cs_blob_deallocate(vm_offset_t, vm_size_t);