xnu-344.34.tar.gz

[apple/xnu.git] / osfmk / mach / mig.h

diff --git a/osfmk/mach/mig.h b/osfmk/mach/mig.h
index 8bc149230b11e63c2b2acc07a13984863d442bfa..fa6ac0b03c1f795ccc2443cb07bc297749b519b2 100644 (file)
--- a/osfmk/mach/mig.h
+++ b/osfmk/mach/mig.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -30,9 +30,10 @@
 #ifndef        _MACH_MIG_H_
 #define _MACH_MIG_H_
 
+#include <stdint.h>
 #include <mach/port.h>
 #include <mach/message.h>
-#include <mach/kern_return.h>
+#include <mach/vm_types.h>
 
 /*
  * Definition for MIG-generated server stub routines.  These routines
@@ -58,22 +59,72 @@ typedef mig_routine_t (*mig_server_routine_t) (mach_msg_header_t *InHeadP);
  */
 typedef kern_return_t   (*mig_impl_routine_t)(void);
 
-typedef struct mig_routine_descriptor {
-       mig_stub_routine_t       stub_routine;  /* Unmarshalling function   */
-       mach_msg_size_t          max_reply_msg; /* Max size for this reply  */
-} mig_routine_descriptor;
-typedef mig_routine_descriptor  *mig_routine_descriptor_t;
+typedef mach_msg_type_descriptor_t routine_arg_descriptor;
+typedef mach_msg_type_descriptor_t *routine_arg_descriptor_t;
+typedef mach_msg_type_descriptor_t *mig_routine_arg_descriptor_t;
+
+#define MIG_ROUTINE_ARG_DESCRIPTOR_NULL ((mig_routine_arg_descriptor_t)0)
+
+struct routine_descriptor {
+       mig_impl_routine_t      impl_routine;   /* Server work func pointer   */
+       mig_stub_routine_t      stub_routine;   /* Unmarshalling func pointer */
+       unsigned int            argc;                   /* Number of argument words   */
+       unsigned int            descr_count;    /* Number complex descriptors */
+       routine_arg_descriptor_t
+                                               arg_descr;              /* pointer to descriptor array*/
+       unsigned int            max_reply_msg;  /* Max size for reply msg     */
+};
+typedef struct routine_descriptor *routine_descriptor_t;
+
+typedef struct routine_descriptor mig_routine_descriptor;
+typedef mig_routine_descriptor *mig_routine_descriptor_t;
+
+#define MIG_ROUTINE_DESCRIPTOR_NULL ((mig_routine_descriptor_t)0)
 
 typedef struct mig_subsystem {
-       mig_server_routine_t     server;        /* server routine           */
-       mach_msg_id_t            start;         /* Min routine number       */
-       mach_msg_id_t            end;           /* Max routine number + 1   */
-       mach_msg_size_t          max_reply;     /* Max reply message size   */
-       mach_msg_size_t          max_request;   /* Max request msg size     */
-       mig_routine_descriptor   routine[1];    /* Routine descriptor array */
+       mig_server_routine_t server;            /* pointer to demux routine     */
+       mach_msg_id_t            start;                 /* Min routine number       */
+       mach_msg_id_t            end;                   /* Max routine number + 1   */
+       mach_msg_size_t          maxsize;               /* Max reply message size   */
+       vm_address_t             reserved;              /* reserved for MIG use     */
+       mig_routine_descriptor
+                                                routine[1];    /* Routine descriptor array */
 } *mig_subsystem_t;
 
+#define MIG_SUBSYSTEM_NULL             ((mig_subsystem_t)0)
+
+typedef struct mig_symtab {
+       char                            *ms_routine_name;
+       int                                     ms_routine_number;
+       void                            (*ms_routine)(void);    /* Since the functions in the
+                                                                                                * symbol table have unknown
+                                                                                                * signatures, this is the best
+                                                                                                * we can do...
+                                                                                                */
+} mig_symtab_t;
+
+/* Client side reply port allocate */
+extern mach_port_t mig_get_reply_port(void);
+
+/* Client side reply port deallocate */
+extern void mig_dealloc_reply_port(mach_port_t reply_port);
+
+/* Client side reply port "deallocation" */
+extern void mig_put_reply_port(mach_port_t reply_port);
+
+/* Bounded string copy */
+extern int mig_strncpy(char    *dest, const char *src, int     len);
+
 #ifdef KERNEL_PRIVATE
+#include <sys/appleapiopts.h>
+
+/* Allocate memory for out-of-stack mig structures */
+extern char *mig_user_allocate(vm_size_t size);
+
+/* Deallocate memory used for out-of-stack mig structures */
+extern void mig_user_deallocate(char *data, vm_size_t size);
+
+#ifdef __APPLE_API_EVOLVING
 /*
  * MIG object runtime definitions
  *
@@ -92,7 +143,7 @@ typedef struct mig_subsystem {
  * Coming soon:
  *     - User-level support
  */
-typedef unsigned int                           mig_notify_type_t;
+typedef unsigned int                   mig_notify_type_t;
 
 typedef struct MIGIID {
        unsigned long                           data1;
@@ -185,6 +236,8 @@ struct IMIGNotifyObjectVtbl {
                        mig_notify_type_t       notify_type);
 };
 
+#endif /* __APPLE_API_EVOLVING */
+
 #endif /* KERNEL_PRIVATE */
 
 #endif /* _MACH_MIG_H_ */