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 dbc19de88b4f3fe0d9348e3b606e178b68ea12bc..90424d745b26b5dbaf4d9403d23a91080ae8da7c 100644 (file)
--- a/bsd/sys/ubc_internal.h
+++ b/bsd/sys/ubc_internal.h
@@ -101,7 +101,6 @@ struct cs_blob {
        cpu_type_t      csb_cpu_type;
        unsigned int    csb_flags;
        off_t           csb_base_offset;        /* Offset of Mach-O binary in fat binary */
-       off_t           csb_blob_offset;        /* offset of blob itself, from csb_base_offset */
        off_t           csb_start_offset;       /* Blob coverage area start, from csb_base_offset */
        off_t           csb_end_offset;         /* Blob coverage area end, from csb_base_offset */
        ipc_port_t      csb_mem_handle;
@@ -110,6 +109,8 @@ struct cs_blob {
        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; 
 };
 
 /*
@@ -119,10 +120,11 @@ 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 */
@@ -148,6 +150,7 @@ 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.
@@ -183,13 +186,16 @@ 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, off_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 *);