From f07a4c844da9f0ecae5bbee1ab94be56505f26f7 Mon Sep 17 00:00:00 2001 From: Thomas Bushnell Date: Tue, 25 Feb 1997 21:28:37 +0000 Subject: Initial source --- kern/ipc_kobject.h | 118 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 kern/ipc_kobject.h (limited to 'kern/ipc_kobject.h') diff --git a/kern/ipc_kobject.h b/kern/ipc_kobject.h new file mode 100644 index 00000000..91eb30f6 --- /dev/null +++ b/kern/ipc_kobject.h @@ -0,0 +1,118 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989 Carnegie Mellon University. + * Copyright (c) 1993,1994 The University of Utah and + * the Computer Systems Laboratory (CSL). + * All rights reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON, THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF + * THIS SOFTWARE IN ITS "AS IS" CONDITION, AND DISCLAIM ANY LIABILITY + * OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF + * THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + */ +/* + * File: kern/ipc_kobject.h + * Author: Rich Draves + * Date: 1989 + * + * Declarations for letting a port represent a kernel object. + */ + +#include +#include + +#ifndef _KERN_IPC_KOBJECT_H_ +#define _KERN_IPC_KOBJECT_H_ + +#include + +typedef vm_offset_t ipc_kobject_t; + +#define IKO_NULL ((ipc_kobject_t) 0) + +typedef unsigned int ipc_kobject_type_t; + +#define IKOT_NONE 0 +#define IKOT_THREAD 1 +#define IKOT_TASK 2 +#define IKOT_HOST 3 +#define IKOT_HOST_PRIV 4 +#define IKOT_PROCESSOR 5 +#define IKOT_PSET 6 +#define IKOT_PSET_NAME 7 +#define IKOT_PAGER 8 +#define IKOT_PAGING_REQUEST 9 +#define IKOT_DEVICE 10 +#define IKOT_XMM_OBJECT 11 +#define IKOT_XMM_PAGER 12 +#define IKOT_XMM_KERNEL 13 +#define IKOT_XMM_REPLY 14 +#define IKOT_PAGER_TERMINATING 15 +#define IKOT_PAGING_NAME 16 +#define IKOT_HOST_SECURITY 17 +#define IKOT_LEDGER 18 +#define IKOT_MASTER_DEVICE 19 +#define IKOT_ACT 20 +#define IKOT_SUBSYSTEM 21 +#define IKOT_IO_DONE_QUEUE 22 +#define IKOT_SEMAPHORE 23 +#define IKOT_LOCK_SET 24 +#define IKOT_CLOCK 25 +#define IKOT_CLOCK_CTRL 26 + /* << new entries here */ +#define IKOT_UNKNOWN 27 /* magic catchall */ +#define IKOT_MAX_TYPE 28 /* # of IKOT_ types */ + /* Please keep ipc/ipc_object.c:ikot_print_array up to date */ + +#define is_ipc_kobject(ikot) (ikot != IKOT_NONE) + +/* + * Define types of kernel objects that use page lists instead + * of entry lists for copyin of out of line memory. + */ + +#define ipc_kobject_vm_page_list(ikot) \ + ((ikot == IKOT_PAGING_REQUEST) || (ikot == IKOT_DEVICE)) + +#define ipc_kobject_vm_page_steal(ikot) (ikot == IKOT_PAGING_REQUEST) + +/* Initialize kernel server dispatch table */ +/* XXX +extern void mig_init(void); +*/ + +/* Dispatch a kernel server function */ +extern ipc_kmsg_t ipc_kobject_server( + ipc_kmsg_t request); + +/* Make a port represent a kernel object of the given type */ +extern void ipc_kobject_set( + ipc_port_t port, + ipc_kobject_t kobject, + ipc_kobject_type_t type); + +/* Release any kernel object resources associated with a port */ +extern void ipc_kobject_destroy( + ipc_port_t port); + +#define null_conversion(port) (port) + +#endif /* _KERN_IPC_KOBJECT_H_ */ -- cgit v1.2.3