X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/55e303ae13a4cf49d70f2294092726f2fffb9ef2..3903760236c30e3b5ace7a4eefac3a269d68957c:/bsd/miscfs/specfs/specdev.h diff --git a/bsd/miscfs/specfs/specdev.h b/bsd/miscfs/specfs/specdev.h index 0a67d1894..2b14d796b 100644 --- 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. * - * @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 - * 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 @@ -20,7 +23,7 @@ * 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. @@ -76,8 +79,16 @@ struct specinfo { struct vnode *si_specnext; long si_flags; dev_t si_rdev; - daddr_t si_size; /* device block size in bytes */ - u_int64_t si_devsize; /* actual 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 @@ -88,20 +99,22 @@ struct specinfo { #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 */ +#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]; @@ -112,61 +125,57 @@ extern struct vnode *speclisth[SPECHSZ]; extern int (**spec_vnodeop_p)(void *); struct nameidata; struct componentname; -struct ucred; 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_ */