X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8ad349bb6ed4a0be06e34c92be0d98b92e078db4..d26ffc64f583ab2d29df48f13518685602bc8832:/bsd/miscfs/specfs/specdev.h diff --git a/bsd/miscfs/specfs/specdev.h b/bsd/miscfs/specfs/specdev.h index 6cfdead57..3d6d0258f 100644 --- a/bsd/miscfs/specfs/specdev.h +++ b/bsd/miscfs/specfs/specdev.h @@ -1,31 +1,29 @@ /* - * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved. + * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * @APPLE_LICENSE_OSREFERENCE_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 + * 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. * - * 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. 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 - * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, - * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. - * Please see the License for the specific language governing rights and + * 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 + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and * limitations under the License. - * - * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1995, 1998 Apple Computer, Inc. All Rights Reserved. @@ -81,9 +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 @@ -100,15 +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]; @@ -119,11 +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 *); @@ -141,7 +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 @@ -162,10 +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_devblocksize (struct vnop_devblocksize_args *); -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_ */