xnu-1699.26.8.tar.gz

[apple/xnu.git] / bsd / miscfs / specfs / specdev.h

diff --git a/bsd/miscfs/specfs/specdev.h b/bsd/miscfs/specfs/specdev.h
index bcaf8d9fd71b2751c19558a6b317713833bba37c..7b44d40e37ba5bb10cc8ac4fc30f3cae6106b517 100644 (file)
--- a/bsd/miscfs/specfs/specdev.h
+++ b/bsd/miscfs/specfs/specdev.h
@@ -1,16 +1,19 @@
 /*
  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
  *
 /*
  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
  *

- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in

- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.

  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER


@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 

- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /*
  * Copyright (c) 1995, 1998 Apple Computer, Inc. All Rights Reserved.
  */
 /*
  * Copyright (c) 1995, 1998 Apple Computer, Inc. All Rights Reserved.


@@ -76,7 +79,16 @@ struct specinfo {
        struct  vnode *si_specnext;
        long    si_flags;
        dev_t   si_rdev;
        struct  vnode *si_specnext;
        long    si_flags;
        dev_t   si_rdev;

-       daddr_t si_size;                  /* block device size in bytes */
+       int32_t si_opencount;
+       daddr_t si_size;                /* device block size in bytes */
+       daddr64_t       si_lastr;       /* last read blkno (read-ahead) */
+       u_int64_t       si_devsize;     /* actual device size in bytes */
+
+       u_int8_t        si_initted;
+       u_int8_t        si_throttleable;
+       u_int16_t       si_isssd;
+       u_int32_t       si_devbsdunit;
+       u_int64_t       si_throttle_mask;

 };
 /*
  * Exported shorthand
 };
 /*
  * Exported shorthand


@@ -86,11 +98,14 @@ struct specinfo {
 #define v_specnext v_specinfo->si_specnext
 #define v_specflags v_specinfo->si_flags
 #define v_specsize v_specinfo->si_size
 #define v_specnext v_specinfo->si_specnext
 #define v_specflags v_specinfo->si_flags
 #define v_specsize v_specinfo->si_size

+#define v_specdevsize v_specinfo->si_devsize
+#define v_speclastr v_specinfo->si_lastr

 
 /*
  * Flags for specinfo
  */
 #define        SI_MOUNTEDON    0x0001  /* block special device is mounted on */
 
 /*
  * Flags for specinfo
  */
 #define        SI_MOUNTEDON    0x0001  /* block special device is mounted on */

+#define SI_ALIASED     0x0002  /* multiple active vnodes refer to this device */

 
 /*
  * Special device management
 
 /*
  * Special device management


@@ -110,61 +125,57 @@ extern struct vnode *speclisth[SPECHSZ];
 extern int (**spec_vnodeop_p)(void *);
 struct nameidata;
 struct componentname;
 extern int (**spec_vnodeop_p)(void *);
 struct nameidata;
 struct componentname;

-struct ucred;

 struct flock;
 struct buf;
 struct uio;
 
 struct flock;
 struct buf;
 struct uio;
 

-int    spec_ebadf();
+__BEGIN_DECLS
+#ifdef BSD_KERNEL_PRIVATE
+int spec_blktooff (struct  vnop_blktooff_args *);
+int spec_offtoblk (struct  vnop_offtoblk_args *);
+int    spec_fsync_internal (vnode_t, int, vfs_context_t);
+int spec_blockmap (struct  vnop_blockmap_args *);
+int spec_kqfilter (vnode_t vp, struct knote *kn);
+#endif /* BSD_KERNEL_PRIVATE */
+
+int    spec_ebadf(void *);

 
 

-int    spec_lookup __P((struct vop_lookup_args *));
-#define spec_create ((int (*) __P((struct  vop_access_args *)))err_create)
-#define spec_mknod ((int (*) __P((struct  vop_access_args *)))err_mknod)
-int    spec_open __P((struct vop_open_args *));
-int    spec_close __P((struct vop_close_args *));
-#define spec_access ((int (*) __P((struct  vop_access_args *)))spec_ebadf)
-#define spec_getattr ((int (*) __P((struct  vop_getattr_args *)))spec_ebadf)
-#define spec_setattr ((int (*) __P((struct  vop_setattr_args *)))spec_ebadf)
-int    spec_read __P((struct vop_read_args *));
-int    spec_write __P((struct vop_write_args *));
-#define spec_lease_check ((int (*) __P((struct  vop_access_args *)))nop_lease)
-int    spec_ioctl __P((struct vop_ioctl_args *));
-int    spec_select __P((struct vop_select_args *));
-#define spec_revoke ((int (*) __P((struct  vop_access_args *)))nop_revoke)
-#define spec_mmap ((int (*) __P((struct  vop_access_args *)))err_mmap)
-int    spec_fsync __P((struct  vop_fsync_args *));
-#define spec_seek ((int (*) __P((struct  vop_access_args *)))err_seek)
-#define spec_remove ((int (*) __P((struct  vop_access_args *)))err_remove)
-#define spec_link ((int (*) __P((struct  vop_access_args *)))err_link)
-#define spec_rename ((int (*) __P((struct  vop_access_args *)))err_rename)
-#define spec_mkdir ((int (*) __P((struct  vop_access_args *)))err_mkdir)
-#define spec_rmdir ((int (*) __P((struct  vop_access_args *)))err_rmdir)
-#define spec_symlink ((int (*) __P((struct  vop_access_args *)))err_symlink)
-#define spec_readdir ((int (*) __P((struct  vop_access_args *)))err_readdir)
-#define spec_readlink ((int (*) __P((struct  vop_access_args *)))err_readlink)
-#define spec_abortop ((int (*) __P((struct  vop_access_args *)))err_abortop)
-#define spec_inactive ((int (*) __P((struct  vop_access_args *)))nop_inactive)
-#define spec_reclaim ((int (*) __P((struct  vop_access_args *)))nop_reclaim)
-#define spec_lock ((int (*) __P((struct  vop_access_args *)))nop_lock)
-#define spec_unlock ((int (*) __P((struct  vop_access_args *)))nop_unlock)
-int    spec_bmap __P((struct vop_bmap_args *));
-int    spec_strategy __P((struct vop_strategy_args *));
-int    spec_print __P((struct vop_print_args *));
-#define spec_islocked ((int (*) __P((struct  vop_access_args *)))nop_islocked)
-int    spec_pathconf __P((struct vop_pathconf_args *));
-#define spec_advlock ((int (*) __P((struct  vop_access_args *)))err_advlock)
-#define spec_blkatoff ((int (*) __P((struct  vop_access_args *)))err_blkatoff)
-#define spec_valloc ((int (*) __P((struct  vop_access_args *)))err_valloc)
-#define spec_vfree ((int (*) __P((struct  vop_access_args *)))err_vfree)
-#define spec_truncate ((int (*) __P((struct  vop_access_args *)))nop_truncate)
-#define spec_update ((int (*) __P((struct  vop_access_args *)))nop_update)
-#define spec_reallocblks \
-       ((int (*) __P((struct  vop_reallocblks_args *)))err_reallocblks)
-#define spec_bwrite ((int (*) __P((struct  vop_bwrite_args *)))nop_bwrite)
-int     spec_devblocksize __P((struct vop_devblocksize_args *));
-int spec_blktooff __P((struct  vop_blktooff_args *));
-int spec_offtoblk __P((struct  vop_offtoblk_args *));
-int spec_cmap __P((struct  vop_cmap_args *));
+int    spec_lookup (struct vnop_lookup_args *);
+#define spec_create (int (*) (struct  vnop_access_args *))err_create
+#define spec_mknod (int (*) (struct  vnop_access_args *))err_mknod
+int    spec_open (struct vnop_open_args *);
+int    spec_close (struct vnop_close_args *);
+#define spec_access (int (*) (struct  vnop_access_args *))spec_ebadf
+#define spec_getattr (int (*) (struct  vnop_getattr_args *))spec_ebadf
+#define spec_setattr (int (*) (struct  vnop_setattr_args *))spec_ebadf
+int    spec_read (struct vnop_read_args *);
+int    spec_write (struct vnop_write_args *);
+int    spec_ioctl (struct vnop_ioctl_args *);
+int    spec_select (struct vnop_select_args *);
+#define spec_revoke (int (*) (struct  vnop_access_args *))nop_revoke
+#define spec_mmap (int (*) (struct  vnop_access_args *))err_mmap
+int    spec_fsync (struct  vnop_fsync_args *);
+#define spec_remove (int (*) (struct  vnop_access_args *))err_remove
+#define spec_link (int (*) (struct  vnop_access_args *))err_link
+#define spec_rename (int (*) (struct  vnop_access_args *))err_rename
+#define spec_mkdir (int (*) (struct  vnop_access_args *))err_mkdir
+#define spec_rmdir (int (*) (struct  vnop_access_args *))err_rmdir
+#define spec_symlink (int (*) (struct  vnop_access_args *))err_symlink
+#define spec_readdir (int (*) (struct  vnop_access_args *))err_readdir
+#define spec_readlink (int (*) (struct  vnop_access_args *))err_readlink
+#define spec_inactive (int (*) (struct  vnop_access_args *))nop_inactive
+#define spec_reclaim (int (*) (struct  vnop_access_args *))nop_reclaim
+#define spec_lock (int (*) (struct  vnop_access_args *))nop_lock
+#define spec_unlock (int (*)(struct  vnop_access_args *))nop_unlock
+int    spec_strategy (struct vnop_strategy_args *);
+#define spec_islocked (int (*) (struct  vnop_access_args *))nop_islocked
+int    spec_pathconf (struct vnop_pathconf_args *);
+#define spec_advlock (int (*) (struct  vnop_access_args *))err_advlock
+#define spec_blkatoff (int (*) (struct  vnop_access_args *))err_blkatoff
+#define spec_valloc (int (*) (struct  vnop_access_args *))err_valloc
+#define spec_vfree (int (*) (struct  vnop_access_args *))err_vfree
+#define spec_bwrite (int (*) (struct  vnop_bwrite_args *))nop_bwrite
+__END_DECLS

 
 #endif /* __APPLE_API_PRIVATE */
 #endif /* _MISCFS_SPECFS_SPECDEV_H_ */
 
 #endif /* __APPLE_API_PRIVATE */
 #endif /* _MISCFS_SPECFS_SPECDEV_H_ */