xref: /netbsd-src/sys/kern/compat_stub.c (revision 7330f729ccf0bd976a06f95fad452fe774fc7fd1)
1 /* $NetBSD: compat_stub.c,v 1.15 2019/07/20 18:23:05 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2018 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Paul Goyette
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 
34 #ifdef _KERNEL_OPT
35 #include "opt_ntp.h"
36 #endif
37 
38 #include <sys/systm.h>
39 #include <sys/compat_stub.h>
40 
41 #ifdef NTP
42 #include <sys/timespec.h>
43 #include <sys/timex.h>
44 #endif
45 
46 /*
47  * Routine vectors for compat_50___sys_ntp_gettime
48  *
49  * MP-hooks not needed since the NTP code is not modular
50  */
51 
52 #ifdef NTP
53 void (*vec_ntp_gettime)(struct ntptimeval *) = ntp_gettime;
54 int (*vec_ntp_timestatus)(void) = ntp_timestatus;
55 void (*vec_ntp_adjtime1)(struct timex *) = ntp_adjtime1;
56 #else
57 void (*vec_ntp_gettime)(struct ntptimeval *) = NULL;
58 int (*vec_ntp_timestatus)(void) = NULL;
59 void (*vec_ntp_adjtime1)(struct timex *) = NULL;
60 #endif
61 
62 /*
63  * Routine vectors for sctp (called from within rtsock)
64  *
65  * MP-hooks not needed since the SCTP code is not modular
66  *
67  * For now, just point these at NULL.  Network initialization code
68  * in if.c will overwrite these with correct values.  This is needed
69  * to enable building of rumpkern library without creating circular
70  * dependency with rumpnet library
71  */
72 
73 void (*vec_sctp_add_ip_address)(struct ifaddr *) = NULL;
74 void (*vec_sctp_delete_ip_address)(struct ifaddr *) = NULL;
75 
76 
77 /*
78  * usb device_info compatability
79  */
80 struct usb_subr_fill_30_hook_t usb_subr_fill_30_hook;
81 struct usb_subr_copy_30_hook_t usb_subr_copy_30_hook;
82 
83 /*
84  * ccd device compatability ioctl
85  */
86 
87 struct ccd_ioctl_60_hook_t ccd_ioctl_60_hook;
88 
89 /*
90  * clockctl device compatability ioctl
91  */
92 
93 struct clockctl_ioctl_50_hook_t clockctl_ioctl_50_hook;
94 
95 /*
96  * if_sppp device compatability ioctl subroutine
97  */
98 
99 struct sppp_params_50_hook_t sppp_params_50_hook;
100 
101 /*
102  * cryptodev compatability ioctl
103  */
104 
105 struct ocryptof_50_hook_t ocryptof_50_hook;
106 
107 /*
108  * raidframe compatability
109  */
110 struct raidframe_ioctl_50_hook_t raidframe_ioctl_50_hook;
111 struct raidframe_ioctl_80_hook_t raidframe_ioctl_80_hook;
112 struct raidframe_netbsd32_ioctl_hook_t raidframe_netbsd32_ioctl_hook;
113 
114 /*
115  * puffs compatability
116  */
117 
118 struct puffs_out_50_hook_t puffs_out_50_hook;
119 struct puffs_in_50_hook_t puffs_in_50_hook;
120 
121 /* XXX
122 int (*puffs50_compat_outgoing)(struct puffs_req *, struct puffs_req **,
123     ssize_t *) = (void *)enosys;
124 void (*puffs50_compat_incoming)(struct puffs_req *, struct puffs_req *) =
125     (void *)voidop;
126    XXX */
127 
128 /*
129  * wsevents compatability
130  */
131 struct wscons_copyout_events_50_hook_t wscons_copyout_events_50_hook;
132 
133 /*
134  * sysmon_power compatability
135  */
136 struct compat_sysmon_power_40_hook_t compat_sysmon_power_40_hook;
137 
138 /*
139  * compat_bio compatability
140  */
141 struct compat_bio_30_hook_t compat_bio_30_hook;
142 
143 /*
144  * vnd ioctl compatability
145  */
146 struct compat_vndioctl_30_hook_t compat_vndioctl_30_hook;
147 struct compat_vndioctl_50_hook_t compat_vndioctl_50_hook;
148 
149 /*
150  * ieee80211 ioctl compatability
151  */
152 struct ieee80211_ioctl_20_hook_t ieee80211_ioctl_20_hook;
153 
154 /*
155  * if_43 compatability
156  */
157 struct if_cvtcmd_43_hook_t if_cvtcmd_43_hook;
158 struct if_ifioctl_43_hook_t if_ifioctl_43_hook;
159 
160 /*
161  * if43_cvtcmd_20 compatability
162  */
163 struct if43_cvtcmd_20_hook_t if43_cvtcmd_20_hook;
164 
165 /*
166  * tty 43 ioctl compatibility
167  */
168 struct tty_ttioctl_43_hook_t tty_ttioctl_43_hook;
169 
170 /*
171  * uipc_syscalls_40 compatibility
172  */
173 struct uipc_syscalls_40_hook_t uipc_syscalls_40_hook;
174 
175 /*
176  * uipc_socket_50 compatibility
177  */
178 struct uipc_socket_50_setopt1_hook_t uipc_socket_50_setopt1_hook;
179 struct uipc_socket_50_getopt1_hook_t uipc_socket_50_getopt1_hook;
180 struct uipc_socket_50_sbts_hook_t uipc_socket_50_sbts_hook;
181 
182 /*
183  * uipc_syscalls_50 compatability
184  */
185 struct uipc_syscalls_50_hook_t uipc_syscalls_50_hook;
186 
187 /*
188  * rtsock 14 compatability
189  */
190 struct rtsock_oifmsg_14_hook_t rtsock_oifmsg_14_hook;
191 struct rtsock_iflist_14_hook_t rtsock_iflist_14_hook;
192 
193 /*
194  * rtsock 50 compatability
195  */
196 struct rtsock_iflist_50_hook_t rtsock_iflist_50_hook;
197 struct rtsock_oifmsg_50_hook_t rtsock_oifmsg_50_hook;
198 struct rtsock_rt_missmsg_50_hook_t rtsock_rt_missmsg_50_hook;
199 struct rtsock_rt_ifmsg_50_hook_t rtsock_rt_ifmsg_50_hook;
200 struct rtsock_rt_ifannouncemsg_50_hook_t rtsock_rt_ifannouncemsg_50_hook;
201 struct rtsock_rt_addrmsg_rt_50_hook_t rtsock_rt_addrmsg_rt_50_hook;
202 struct rtsock_rt_addrmsg_src_50_hook_t rtsock_rt_addrmsg_src_50_hook;
203 struct rtsock_rt_addrmsg_50_hook_t rtsock_rt_addrmsg_50_hook;
204 struct rtsock_rt_ieee80211msg_50_hook_t rtsock_rt_ieee80211msg_50_hook;
205 
206 /*
207  * rtsock 70 compatability
208  */
209 struct rtsock_newaddr_70_hook_t rtsock_newaddr_70_hook;
210 struct rtsock_iflist_70_hook_t rtsock_iflist_70_hook;
211 
212 /*
213  * modctl handler for old style OSTAT
214  */
215 struct compat_modstat_80_hook_t compat_modstat_80_hook;
216 
217 /*
218  * mask for kern_sig_43's killpg (updated by compat_09)
219  */
220 int kern_sig_43_pgid_mask = ~0;
221 
222 /*
223  * hook for kern_proc_32
224  */
225 struct kern_proc32_copyin_hook_t kern_proc32_copyin_hook;
226 struct kern_proc32_base_hook_t kern_proc32_base_hook;
227 
228 /*
229  * Hook for sparc fpu code to check if a process is running
230  * under sunos emulation
231  */
232 struct get_emul_sunos_hook_t get_emul_sunos_hook;
233 
234 /*
235  * Hook for rnd_ioctl_50 callbacks
236  */
237 struct rnd_ioctl_50_hook_t rnd_ioctl_50_hook;
238 struct rnd_ioctl32_50_hook_t rnd_ioctl32_50_hook;
239 
240 /*
241  * Hooks for compat_60 ttioctl and ptmioctl
242  */
243 struct tty_ttioctl_60_hook_t tty_ttioctl_60_hook;
244 struct tty_ptmioctl_60_hook_t tty_ptmioctl_60_hook;
245 
246 /*
247  * Hook for compat_10 openat
248  */
249 struct vfs_openat_10_hook_t vfs_openat_10_hook;
250 
251 /*
252  * Hook for compat_70_unp_addsockcred
253  */
254 struct uipc_unp_70_hook_t uipc_unp_70_hook;
255 
256 /*
257  * Hook for sysvipc50_sysctl
258  */
259 struct sysvipc_sysctl_50_hook_t sysvipc_sysctl_50_hook;
260 
261 /*
262  * ifmedia_80 compatability
263  */
264 struct ifmedia_80_pre_hook_t ifmedia_80_pre_hook;
265 struct ifmedia_80_post_hook_t ifmedia_80_post_hook;
266 
267 /*
268  * Hook for 32-bit machine name
269  *
270  * This probably would be better placed in compat/netbsd32/netbsd32_mod.c
271  * but the consumer code in linux32_exec_elf32.c is sometimes included in
272  * the main kernel, and not in a compat_netbsd32 module.  (In particular,
273  * this is true for i386 and sgimips.)
274  */
275 struct netbsd32_machine32_hook_t netbsd32_machine32_hook;
276 struct netbsd32_reg_validate_hook_t netbsd32_reg_validate_hook;
277