xnu-1504.7.4.tar.gz

[apple/xnu.git] / bsd / sys / sys_domain.h

diff --git a/bsd/sys/sys_domain.h b/bsd/sys/sys_domain.h
index 4c518eb26130bcd7916b22cbe82dd2fde1c61297..013959c8af0027527d642af5421a9e817c99e570 100644 (file)
--- a/bsd/sys/sys_domain.h
+++ b/bsd/sys/sys_domain.h
@@ -1,14 +1,19 @@
 /*
  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @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
@@ -18,7 +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@
  */
 
 
@@ -28,6 +33,13 @@
 
 #include <sys/appleapiopts.h>
 #include <sys/cdefs.h>
+#include <sys/types.h>
+
+#ifdef KERNEL_PRIVATE
+#include <sys/queue.h>
+#include <libkern/locks.h>
+#include <sys/kern_control.h>
+#endif /* KERNEL_PRIVATE */
 
 /* Kernel Events Protocol */ 
 #define SYSPROTO_EVENT                 1       /* kernel events protocol */
@@ -39,26 +51,65 @@
 /* System family socket address */
 struct sockaddr_sys
 {
-    u_char     ss_len;         /* sizeof(struct sockaddr_sys) */
-    u_char     ss_family;      /* AF_SYSTEM */
-    u_int16_t  ss_sysaddr;     /* protocol address in AF_SYSTEM */
-    u_int32_t  ss_reserved[7]; /* reserved to the protocol use */
+       u_char  ss_len;                         /* sizeof(struct sockaddr_sys) */
+       u_char  ss_family;                      /* AF_SYSTEM */
+       u_int16_t       ss_sysaddr;     /* protocol address in AF_SYSTEM */
+       u_int32_t       ss_reserved[7]; /* reserved to the protocol use */
 };
 
 
-#ifdef KERNEL
 #ifdef KERNEL_PRIVATE
 
+/*
+ * internal structure maintained for each register controller
+ */
+struct ctl_cb;
+struct socket;
+
+struct kctl
+{
+       TAILQ_ENTRY(kctl)               next;                                   /* controller chain */
+
+       /* controller information provided when registering */
+       char                                    name[MAX_KCTL_NAME];    /* unique nke identifier, provided by DTS */
+       u_int32_t                               id;
+       u_int32_t                               reg_unit;
+
+       /* misc communication information */
+       u_int32_t                               flags;                                  /* support flags */
+       u_int32_t                               recvbufsize;                    /* request more than the default buffer size */
+       u_int32_t                               sendbufsize;                    /* request more than the default buffer size */
+
+       /* Dispatch functions */
+       ctl_connect_func                connect;                                /* Make contact */
+       ctl_disconnect_func             disconnect;                             /* Break contact */
+       ctl_send_func                   send;                                   /* Send data to nke */
+       ctl_setopt_func                 setopt;                                 /* set kctl configuration */
+       ctl_getopt_func                 getopt;                                 /* get kctl configuration */
+
+       TAILQ_HEAD(, ctl_cb)    kcb_head;
+       u_int32_t                               lastunit;
+};
+
+struct ctl_cb {
+       TAILQ_ENTRY(ctl_cb)             next;                                   /* controller chain */
+       lck_mtx_t                               *mtx;
+       struct socket                   *so;                                    /* controlling socket */
+       struct kctl                             *kctl;                                  /* back pointer to controller */
+       u_int32_t                               unit;
+       void                                    *userdata;
+};
+
+
 extern struct domain systemdomain;
 
 /* built in system domain protocols init function */
 __BEGIN_DECLS
-int kern_event_init(void);
-int kern_control_init(void);
+int kern_event_init(void) __attribute__((section("__TEXT, initcode")));
+int kern_control_init(void) __attribute__((section("__TEXT, initcode")));
 __END_DECLS
 
 #endif /* KERNEL_PRIVATE */
-#endif /* KERNEL */
 
 #endif /* _SYSTEM_DOMAIN_H_ */