X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/4452a7af2eac33dbad800bcc91f2399d62c18f53..d26ffc64f583ab2d29df48f13518685602bc8832:/bsd/miscfs/specfs/specdev.h

diff --git a/bsd/miscfs/specfs/specdev.h b/bsd/miscfs/specfs/specdev.h
index 788969708..3d6d0258f 100644
--- 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
@@ -98,15 +105,16 @@ 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
  */
 #define	SPECHSZ	64
 #if	((SPECHSZ&(SPECHSZ-1)) == 0)
-#define	SPECHASH(rdev)	(((rdev>>5)+(rdev))&(SPECHSZ-1))
+#define	SPECHASH(rdev)	(((rdev>>21)+(rdev))&(SPECHSZ-1))
 #else
-#define	SPECHASH(rdev)	(((unsigned)((rdev>>5)+(rdev)))%SPECHSZ)
+#define	SPECHASH(rdev)	(((unsigned)((rdev>>21)+(rdev)))%SPECHSZ)
 #endif
 
 extern struct vnode *speclisth[SPECHSZ];
@@ -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, struct kevent_internal_s *kev);
+#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_ */