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 7889697083990d7c053cbcb0fe68815ffa564fe4..7b44d40e37ba5bb10cc8ac4fc30f3cae6106b517 100644 (file)
--- a/bsd/miscfs/specfs/specdev.h
+++ b/bsd/miscfs/specfs/specdev.h
@@ -79,9 +79,16 @@ struct specinfo {
        struct  vnode *si_specnext;
        long    si_flags;
        dev_t   si_rdev;
+       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
@@ -98,6 +105,7 @@ struct specinfo {
  * 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
@@ -117,11 +125,19 @@ extern struct vnode *speclisth[SPECHSZ];
 extern int (**spec_vnodeop_p)(void *);
 struct nameidata;
 struct componentname;
-struct ucred;
 struct flock;
 struct buf;
 struct uio;
 
+__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 (struct vnop_lookup_args *);
@@ -139,7 +155,6 @@ 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 *);
-int    spec_fsync_internal (vnode_t, int, vfs_context_t);
 #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
@@ -160,9 +175,7 @@ int spec_pathconf (struct vnop_pathconf_args *);
 #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
-int spec_blktooff (struct  vnop_blktooff_args *);
-int spec_offtoblk (struct  vnop_offtoblk_args *);
-int spec_blockmap (struct  vnop_blockmap_args *);
+__END_DECLS
 
 #endif /* __APPLE_API_PRIVATE */
 #endif /* _MISCFS_SPECFS_SPECDEV_H_ */