xnu-4570.1.46.tar.gz

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

diff --git a/bsd/sys/ubc.h b/bsd/sys/ubc.h
index d22dfcaabb46bf08084450ea2dc3a2f85098ea32..0699b5b0312065a458570f713cafe81b2775d513 100644 (file)
--- a/bsd/sys/ubc.h
+++ b/bsd/sys/ubc.h
@@ -38,9 +38,13 @@
 #include <sys/kernel_types.h>
 #include <kern/locks.h>
 #include <mach/memory_object_types.h>
 #include <sys/kernel_types.h>
 #include <kern/locks.h>
 #include <mach/memory_object_types.h>

+#include <sys/ucred.h>

 
 

+#ifdef KERNEL_PRIVATE
+#include <sys/imgact.h>
+#endif // KERNEL_PRIVATE

 
 

-/* defns for ubc_sync_range() and ubc_msync */
+/* defns for ubc_msync() and ubc_msync */

 
 #define        UBC_PUSHDIRTY   0x01    /* clean any dirty pages in the specified range to the backing store */
 #define        UBC_PUSHALL     0x02    /* push both dirty and precious pages to the backing store */
 
 #define        UBC_PUSHDIRTY   0x01    /* clean any dirty pages in the specified range to the backing store */
 #define        UBC_PUSHALL     0x02    /* push both dirty and precious pages to the backing store */


@@ -54,25 +58,43 @@ daddr64_t   ubc_offtoblk(struct vnode *, off_t);
 off_t  ubc_getsize(struct vnode *);
 int    ubc_setsize(struct vnode *, off_t);
 
 off_t  ubc_getsize(struct vnode *);
 int    ubc_setsize(struct vnode *, off_t);
 

+#ifdef KERNEL_PRIVATE
+
+enum {
+       UBC_SETSIZE_NO_FS_REENTRY = 1
+};
+typedef uint32_t ubc_setsize_opts_t;
+
+errno_t ubc_setsize_ex(vnode_t vp, off_t nsize, ubc_setsize_opts_t opts);
+
+#endif // KERNEL_PRIVATE
+

 kauth_cred_t ubc_getcred(struct vnode *);
 kauth_cred_t ubc_getcred(struct vnode *);

-#ifdef __APPLE_API_OBSOLETE
-/* This API continues to exist only until <rdar://4714366> is resolved */
-int    ubc_setcred(struct vnode *, struct proc *) __deprecated;
-#endif

 struct thread;
 int    ubc_setthreadcred(struct vnode *, struct proc *, struct thread *);
 
 struct thread;
 int    ubc_setthreadcred(struct vnode *, struct proc *, struct thread *);
 

-int     ubc_sync_range(vnode_t, off_t, off_t, int);

 errno_t ubc_msync(vnode_t, off_t, off_t, off_t *, int);
 int    ubc_pages_resident(vnode_t);
 errno_t ubc_msync(vnode_t, off_t, off_t, off_t *, int);
 int    ubc_pages_resident(vnode_t);

+int    ubc_page_op(vnode_t, off_t, int, ppnum_t *, int *);
+int    ubc_range_op(vnode_t, off_t, off_t, int, int *);

 
 

+#ifdef KERNEL_PRIVATE
+/* This API continues to exist only until <rdar://4714366> is resolved */
+int    ubc_setcred(struct vnode *, struct proc *) __deprecated;

 /* code signing */
 struct cs_blob;
 /* code signing */
 struct cs_blob;

-int    ubc_cs_blob_add(vnode_t, cpu_type_t, off_t, vm_address_t, vm_size_t);

 struct cs_blob *ubc_cs_blob_get(vnode_t, cpu_type_t, off_t);
 struct cs_blob *ubc_cs_blob_get(vnode_t, cpu_type_t, off_t);

-struct cs_blob *ubc_get_cs_blobs(vnode_t);
-int    ubc_cs_getcdhash(vnode_t, off_t, unsigned char *);

 
 

+/* apis to handle generation count for cs blob */
+void cs_blob_reset_cache(void);
+int ubc_cs_blob_revalidate(vnode_t, struct cs_blob *, struct image_params *, int);
+int ubc_cs_generation_check(vnode_t);
+
+int cs_entitlements_blob_get(proc_t, void **, size_t *);
+int cs_blob_get(proc_t, void **, size_t *);
+const char *cs_identity_get(proc_t);
+
+#endif

 
 /* cluster IO routines */
 int    advisory_read(vnode_t, off_t, off_t, int);
 
 /* cluster IO routines */
 int    advisory_read(vnode_t, off_t, off_t, int);


@@ -84,36 +106,61 @@ int        cluster_read_ext(vnode_t, struct uio *, off_t, int, int (*)(buf_t, void *),
 int    cluster_write(vnode_t, struct uio *, off_t, off_t, off_t, off_t, int);
 int    cluster_write_ext(vnode_t, struct uio *, off_t, off_t, off_t, off_t, int, int (*)(buf_t, void *), void *);
 
 int    cluster_write(vnode_t, struct uio *, off_t, off_t, off_t, off_t, int);
 int    cluster_write_ext(vnode_t, struct uio *, off_t, off_t, off_t, off_t, int, int (*)(buf_t, void *), void *);
 

-int    cluster_pageout(vnode_t, upl_t, vm_offset_t, off_t, int, off_t, int);
-int    cluster_pageout_ext(vnode_t, upl_t, vm_offset_t, off_t, int, off_t, int, int (*)(buf_t, void *), void *);
+int    cluster_pageout(vnode_t, upl_t, upl_offset_t, off_t, int, off_t, int);
+int    cluster_pageout_ext(vnode_t, upl_t, upl_offset_t, off_t, int, off_t, int, int (*)(buf_t, void *), void *);

 
 

-int    cluster_pagein(vnode_t, upl_t, vm_offset_t, off_t, int, off_t, int);
-int    cluster_pagein_ext(vnode_t, upl_t, vm_offset_t, off_t, int, off_t, int, int (*)(buf_t, void *), void *);
+int    cluster_pagein(vnode_t, upl_t, upl_offset_t, off_t, int, off_t, int);
+int    cluster_pagein_ext(vnode_t, upl_t, upl_offset_t, off_t, int, off_t, int, int (*)(buf_t, void *), void *);

 
 int    cluster_push(vnode_t, int);
 int    cluster_push_ext(vnode_t, int, int (*)(buf_t, void *), void *);
 
 int    cluster_push(vnode_t, int);
 int    cluster_push_ext(vnode_t, int, int (*)(buf_t, void *), void *);

+int    cluster_push_err(vnode_t, int, int (*)(buf_t, void *), void *, int *);

 
 int    cluster_bp(buf_t);
 int    cluster_bp_ext(buf_t, int (*)(buf_t, void *), void *);
 
 
 int    cluster_bp(buf_t);
 int    cluster_bp_ext(buf_t, int (*)(buf_t, void *), void *);
 

-void   cluster_zero(upl_t, vm_offset_t, int, buf_t);
+void   cluster_zero(upl_t, upl_offset_t, int, buf_t);

 
 int    cluster_copy_upl_data(uio_t, upl_t, int, int *);
 int    cluster_copy_ubc_data(vnode_t, uio_t, int *, int);
 
 
 int    cluster_copy_upl_data(uio_t, upl_t, int, int *);
 int    cluster_copy_ubc_data(vnode_t, uio_t, int *, int);
 

+typedef struct cl_direct_read_lock cl_direct_read_lock_t;
+cl_direct_read_lock_t *cluster_lock_direct_read(vnode_t vp, lck_rw_type_t exclusive);
+void cluster_unlock_direct_read(cl_direct_read_lock_t *lck);

 
 /* UPL routines */
 
 /* UPL routines */

-int    ubc_create_upl(vnode_t, off_t, long, upl_t *, upl_page_info_t **, int);
-int    ubc_upl_map(upl_t, upl_offset_t *);
+#ifndef XNU_KERNEL_PRIVATE
+int    ubc_create_upl(vnode_t, off_t, int, upl_t *, upl_page_info_t **, int);
+#endif /* XNU_KERNEL_PRIVATE */
+int    ubc_upl_map(upl_t, vm_offset_t *);

 int    ubc_upl_unmap(upl_t);
 int    ubc_upl_commit(upl_t);
 int    ubc_upl_commit_range(upl_t, upl_offset_t, upl_size_t, int);
 int    ubc_upl_abort(upl_t, int);
 int    ubc_upl_abort_range(upl_t, upl_offset_t, upl_size_t, int);
 int    ubc_upl_unmap(upl_t);
 int    ubc_upl_commit(upl_t);
 int    ubc_upl_commit_range(upl_t, upl_offset_t, upl_size_t, int);
 int    ubc_upl_abort(upl_t, int);
 int    ubc_upl_abort_range(upl_t, upl_offset_t, upl_size_t, int);

+void   ubc_upl_range_needed(upl_t, int, int);

 
 upl_page_info_t *ubc_upl_pageinfo(upl_t);
 upl_size_t ubc_upl_maxbufsize(void);
 
 
 upl_page_info_t *ubc_upl_pageinfo(upl_t);
 upl_size_t ubc_upl_maxbufsize(void);
 

+int    is_file_clean(vnode_t, off_t);
+
+errno_t mach_to_bsd_errno(kern_return_t mach_err);
+
+#ifdef KERNEL_PRIVATE
+
+int    ubc_create_upl_external(vnode_t, off_t, int, upl_t *, upl_page_info_t **, int);
+#ifdef XNU_KERNEL_PRIVATE
+int    ubc_create_upl_kernel(vnode_t, off_t, int, upl_t *, upl_page_info_t **, int, vm_tag_t);
+#endif  /* XNU_KERNEL_PRIVATE */
+
+__attribute__((pure)) boolean_t ubc_is_mapped(const struct vnode *, boolean_t *writable);
+__attribute__((pure)) boolean_t ubc_is_mapped_writable(const struct vnode *);
+
+uint32_t cluster_max_io_size(mount_t, int);
+
+#endif
+

 __END_DECLS
 
 #endif /* _SYS_UBC_H_ */
 __END_DECLS
 
 #endif /* _SYS_UBC_H_ */