linux32_ipccall.c revision 1.4.2.2
1 1.4.2.2 yamt /* $NetBSD: linux32_ipccall.c,v 1.4.2.2 2009/05/04 08:12:23 yamt Exp $ */ 2 1.4.2.2 yamt 3 1.4.2.2 yamt /* 4 1.4.2.2 yamt * Copyright (c) 2008 Nicolas Joly 5 1.4.2.2 yamt * All rights reserved. 6 1.4.2.2 yamt * 7 1.4.2.2 yamt * Redistribution and use in source and binary forms, with or without 8 1.4.2.2 yamt * modification, are permitted provided that the following conditions 9 1.4.2.2 yamt * are met: 10 1.4.2.2 yamt * 1. Redistributions of source code must retain the above copyright 11 1.4.2.2 yamt * notice, this list of conditions and the following disclaimer. 12 1.4.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 13 1.4.2.2 yamt * notice, this list of conditions and the following disclaimer in the 14 1.4.2.2 yamt * documentation and/or other materials provided with the distribution. 15 1.4.2.2 yamt * 16 1.4.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS 17 1.4.2.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.4.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.4.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.4.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.4.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.4.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.4.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.4.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.4.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.4.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 27 1.4.2.2 yamt */ 28 1.4.2.2 yamt 29 1.4.2.2 yamt #include <sys/cdefs.h> 30 1.4.2.2 yamt __KERNEL_RCSID(0, "$NetBSD: linux32_ipccall.c,v 1.4.2.2 2009/05/04 08:12:23 yamt Exp $"); 31 1.4.2.2 yamt 32 1.4.2.2 yamt #if defined(_KERNEL_OPT) 33 1.4.2.2 yamt #include "opt_sysv.h" 34 1.4.2.2 yamt #endif 35 1.4.2.2 yamt 36 1.4.2.2 yamt #include <sys/param.h> 37 1.4.2.2 yamt #include <sys/vnode.h> 38 1.4.2.2 yamt #include <sys/sem.h> 39 1.4.2.2 yamt #include <sys/shm.h> 40 1.4.2.2 yamt 41 1.4.2.2 yamt #include <sys/syscallargs.h> 42 1.4.2.2 yamt 43 1.4.2.2 yamt #include <compat/netbsd32/netbsd32.h> 44 1.4.2.2 yamt 45 1.4.2.2 yamt #include <compat/linux32/common/linux32_types.h> 46 1.4.2.2 yamt #include <compat/linux32/common/linux32_signal.h> 47 1.4.2.2 yamt #include <compat/linux32/linux32_syscallargs.h> 48 1.4.2.2 yamt #include <compat/linux32/common/linux32_ipc.h> 49 1.4.2.2 yamt #include <compat/linux32/common/linux32_sem.h> 50 1.4.2.2 yamt #include <compat/linux32/common/linux32_shm.h> 51 1.4.2.2 yamt 52 1.4.2.2 yamt #define LINUX32_IPC_semop 1 53 1.4.2.2 yamt #define LINUX32_IPC_semget 2 54 1.4.2.2 yamt #define LINUX32_IPC_semctl 3 55 1.4.2.2 yamt #define LINUX32_IPC_msgsnd 11 56 1.4.2.2 yamt #define LINUX32_IPC_msgrcv 12 57 1.4.2.2 yamt #define LINUX32_IPC_msgget 13 58 1.4.2.2 yamt #define LINUX32_IPC_msgctl 14 59 1.4.2.2 yamt #define LINUX32_IPC_shmat 21 60 1.4.2.2 yamt #define LINUX32_IPC_shmdt 22 61 1.4.2.2 yamt #define LINUX32_IPC_shmget 23 62 1.4.2.2 yamt #define LINUX32_IPC_shmctl 24 63 1.4.2.2 yamt 64 1.4.2.2 yamt #ifdef SYSVSEM 65 1.4.2.2 yamt static void 66 1.4.2.2 yamt bsd_to_linux32_semid_ds(struct semid_ds *, struct linux32_semid_ds *); 67 1.4.2.2 yamt static void 68 1.4.2.2 yamt bsd_to_linux32_semid64_ds(struct semid_ds *, struct linux32_semid64_ds *); 69 1.4.2.2 yamt static void 70 1.4.2.2 yamt linux32_to_bsd_semid_ds(struct linux32_semid_ds *, struct semid_ds *); 71 1.4.2.2 yamt static void 72 1.4.2.2 yamt linux32_to_bsd_semid64_ds(struct linux32_semid64_ds *, struct semid_ds *); 73 1.4.2.2 yamt 74 1.4.2.2 yamt static int 75 1.4.2.2 yamt linux32_semop(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); 76 1.4.2.2 yamt static int 77 1.4.2.2 yamt linux32_semget(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); 78 1.4.2.2 yamt static int 79 1.4.2.2 yamt linux32_semctl(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); 80 1.4.2.2 yamt #endif /* SYSVSEM */ 81 1.4.2.2 yamt 82 1.4.2.2 yamt #ifdef SYSVSHM 83 1.4.2.2 yamt static void 84 1.4.2.2 yamt bsd_to_linux32_shmid_ds(struct shmid_ds *, struct linux32_shmid_ds *); 85 1.4.2.2 yamt static void 86 1.4.2.2 yamt linux32_to_bsd_shmid_ds(struct linux32_shmid_ds *, struct shmid_ds *); 87 1.4.2.2 yamt static void 88 1.4.2.2 yamt bsd_to_linux32_shmid64_ds(struct shmid_ds *, struct linux32_shmid64_ds *); 89 1.4.2.2 yamt static void 90 1.4.2.2 yamt linux32_to_bsd_shmid64_ds(struct linux32_shmid64_ds *, struct shmid_ds *); 91 1.4.2.2 yamt 92 1.4.2.2 yamt static int 93 1.4.2.2 yamt linux32_shmat(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); 94 1.4.2.2 yamt static int 95 1.4.2.2 yamt linux32_shmdt(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); 96 1.4.2.2 yamt static int 97 1.4.2.2 yamt linux32_shmget(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); 98 1.4.2.2 yamt static int 99 1.4.2.2 yamt linux32_shmctl(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); 100 1.4.2.2 yamt #endif /* SYSVSHM */ 101 1.4.2.2 yamt 102 1.4.2.2 yamt int 103 1.4.2.2 yamt linux32_sys_ipc(struct lwp *l, const struct linux32_sys_ipc_args *uap, 104 1.4.2.2 yamt register_t *retval) 105 1.4.2.2 yamt { 106 1.4.2.2 yamt /* { 107 1.4.2.2 yamt syscallarg(int) what; 108 1.4.2.2 yamt syscallarg(int) a1; 109 1.4.2.2 yamt syscallarg(int) a2; 110 1.4.2.2 yamt syscallarg(int) a3; 111 1.4.2.2 yamt syscallarg(netbsd32_voidp) ptr; 112 1.4.2.2 yamt } */ 113 1.4.2.2 yamt 114 1.4.2.2 yamt switch (SCARG(uap, what)) { 115 1.4.2.2 yamt #ifdef SYSVSEM 116 1.4.2.2 yamt case LINUX32_IPC_semop: 117 1.4.2.2 yamt return linux32_semop(l, uap, retval);; 118 1.4.2.2 yamt case LINUX32_IPC_semget: 119 1.4.2.2 yamt return linux32_semget(l, uap, retval); 120 1.4.2.2 yamt case LINUX32_IPC_semctl: 121 1.4.2.2 yamt return linux32_semctl(l, uap, retval); 122 1.4.2.2 yamt #endif /* SYSVSEM */ 123 1.4.2.2 yamt #ifdef SYSVSHM 124 1.4.2.2 yamt case LINUX32_IPC_shmat: 125 1.4.2.2 yamt return linux32_shmat(l, uap, retval); 126 1.4.2.2 yamt case LINUX32_IPC_shmdt: 127 1.4.2.2 yamt return linux32_shmdt(l, uap, retval); 128 1.4.2.2 yamt case LINUX32_IPC_shmget: 129 1.4.2.2 yamt return linux32_shmget(l, uap, retval); 130 1.4.2.2 yamt case LINUX32_IPC_shmctl: 131 1.4.2.2 yamt return linux32_shmctl(l, uap, retval); 132 1.4.2.2 yamt #endif /* SYSVSHM */ 133 1.4.2.2 yamt default: 134 1.4.2.2 yamt return ENOSYS; 135 1.4.2.2 yamt } 136 1.4.2.2 yamt 137 1.4.2.2 yamt } 138 1.4.2.2 yamt 139 1.4.2.2 yamt static void 140 1.4.2.2 yamt bsd_to_linux32_ipc_perm(struct ipc_perm *bpp, struct linux32_ipc_perm *lpp) 141 1.4.2.2 yamt { 142 1.4.2.2 yamt lpp->l_key = bpp->_key; 143 1.4.2.2 yamt lpp->l_uid = bpp->uid; 144 1.4.2.2 yamt lpp->l_gid = bpp->gid; 145 1.4.2.2 yamt lpp->l_cuid = bpp->cuid; 146 1.4.2.2 yamt lpp->l_cgid = bpp->cgid; 147 1.4.2.2 yamt lpp->l_mode = bpp->mode; 148 1.4.2.2 yamt lpp->l_seq = bpp->_seq; 149 1.4.2.2 yamt } 150 1.4.2.2 yamt 151 1.4.2.2 yamt static void 152 1.4.2.2 yamt linux32_to_bsd_ipc_perm(struct linux32_ipc_perm *lpp, struct ipc_perm *bpp) 153 1.4.2.2 yamt { 154 1.4.2.2 yamt bpp->_key = lpp->l_key; 155 1.4.2.2 yamt bpp->uid = lpp->l_uid; 156 1.4.2.2 yamt bpp->gid = lpp->l_gid; 157 1.4.2.2 yamt bpp->cuid = lpp->l_cuid; 158 1.4.2.2 yamt bpp->cgid = lpp->l_cgid; 159 1.4.2.2 yamt bpp->mode = lpp->l_mode; 160 1.4.2.2 yamt bpp->_seq = lpp->l_seq; 161 1.4.2.2 yamt } 162 1.4.2.2 yamt 163 1.4.2.2 yamt static void 164 1.4.2.2 yamt bsd_to_linux32_ipc64_perm(struct ipc_perm *bpp, struct linux32_ipc64_perm *lpp) 165 1.4.2.2 yamt { 166 1.4.2.2 yamt lpp->l_key = bpp->_key; 167 1.4.2.2 yamt lpp->l_uid = bpp->uid; 168 1.4.2.2 yamt lpp->l_gid = bpp->gid; 169 1.4.2.2 yamt lpp->l_cuid = bpp->cuid; 170 1.4.2.2 yamt lpp->l_cgid = bpp->cgid; 171 1.4.2.2 yamt lpp->l_mode = bpp->mode; 172 1.4.2.2 yamt lpp->l_seq = bpp->_seq; 173 1.4.2.2 yamt } 174 1.4.2.2 yamt 175 1.4.2.2 yamt static void 176 1.4.2.2 yamt linux32_to_bsd_ipc64_perm(struct linux32_ipc64_perm *lpp, struct ipc_perm *bpp) 177 1.4.2.2 yamt { 178 1.4.2.2 yamt bpp->_key = lpp->l_key; 179 1.4.2.2 yamt bpp->uid = lpp->l_uid; 180 1.4.2.2 yamt bpp->gid = lpp->l_gid; 181 1.4.2.2 yamt bpp->cuid = lpp->l_cuid; 182 1.4.2.2 yamt bpp->cgid = lpp->l_cgid; 183 1.4.2.2 yamt bpp->mode = lpp->l_mode; 184 1.4.2.2 yamt bpp->_seq = lpp->l_seq; 185 1.4.2.2 yamt } 186 1.4.2.2 yamt 187 1.4.2.2 yamt #ifdef SYSVSEM 188 1.4.2.2 yamt static void 189 1.4.2.2 yamt bsd_to_linux32_semid_ds(struct semid_ds *bsp, struct linux32_semid_ds *lsp) 190 1.4.2.2 yamt { 191 1.4.2.2 yamt bsd_to_linux32_ipc_perm(&bsp->sem_perm, &lsp->l_sem_perm); 192 1.4.2.2 yamt lsp->l_sem_otime = bsp->sem_otime; 193 1.4.2.2 yamt lsp->l_sem_ctime = bsp->sem_ctime; 194 1.4.2.2 yamt lsp->l_sem_nsems = bsp->sem_nsems; 195 1.4.2.2 yamt NETBSD32PTR32(lsp->l_sem_base, bsp->_sem_base); 196 1.4.2.2 yamt } 197 1.4.2.2 yamt 198 1.4.2.2 yamt static void 199 1.4.2.2 yamt bsd_to_linux32_semid64_ds(struct semid_ds *bsp, struct linux32_semid64_ds *lsp) 200 1.4.2.2 yamt { 201 1.4.2.2 yamt bsd_to_linux32_ipc64_perm(&bsp->sem_perm, &lsp->l_sem_perm); 202 1.4.2.2 yamt lsp->l_sem_otime = bsp->sem_otime; 203 1.4.2.2 yamt lsp->l_sem_ctime = bsp->sem_ctime; 204 1.4.2.2 yamt lsp->l_sem_nsems = bsp->sem_nsems; 205 1.4.2.2 yamt } 206 1.4.2.2 yamt 207 1.4.2.2 yamt static void 208 1.4.2.2 yamt linux32_to_bsd_semid_ds(struct linux32_semid_ds *lsp, struct semid_ds *bsp) 209 1.4.2.2 yamt { 210 1.4.2.2 yamt linux32_to_bsd_ipc_perm(&lsp->l_sem_perm, &bsp->sem_perm); 211 1.4.2.2 yamt bsp->sem_otime = lsp->l_sem_otime; 212 1.4.2.2 yamt bsp->sem_ctime = lsp->l_sem_ctime; 213 1.4.2.2 yamt bsp->sem_nsems = lsp->l_sem_nsems; 214 1.4.2.2 yamt bsp->_sem_base = NETBSD32PTR64(lsp->l_sem_base); 215 1.4.2.2 yamt } 216 1.4.2.2 yamt 217 1.4.2.2 yamt static void 218 1.4.2.2 yamt linux32_to_bsd_semid64_ds(struct linux32_semid64_ds *lsp, struct semid_ds *bsp) 219 1.4.2.2 yamt { 220 1.4.2.2 yamt linux32_to_bsd_ipc64_perm(&lsp->l_sem_perm, &bsp->sem_perm); 221 1.4.2.2 yamt bsp->sem_otime = lsp->l_sem_otime; 222 1.4.2.2 yamt bsp->sem_ctime = lsp->l_sem_ctime; 223 1.4.2.2 yamt bsp->sem_nsems = lsp->l_sem_nsems; 224 1.4.2.2 yamt } 225 1.4.2.2 yamt 226 1.4.2.2 yamt static int 227 1.4.2.2 yamt linux32_semop(struct lwp *l, const struct linux32_sys_ipc_args *uap, 228 1.4.2.2 yamt register_t *retval) 229 1.4.2.2 yamt { 230 1.4.2.2 yamt struct sys_semop_args ua; 231 1.4.2.2 yamt 232 1.4.2.2 yamt SCARG(&ua, semid) = SCARG(uap, a1); 233 1.4.2.2 yamt SCARG(&ua, sops) = SCARG_P32(uap, ptr); 234 1.4.2.2 yamt SCARG(&ua, nsops) = SCARG(uap, a2); 235 1.4.2.2 yamt 236 1.4.2.2 yamt return sys_semop(l, &ua, retval); 237 1.4.2.2 yamt } 238 1.4.2.2 yamt 239 1.4.2.2 yamt static int 240 1.4.2.2 yamt linux32_semget(struct lwp *l, const struct linux32_sys_ipc_args *uap, 241 1.4.2.2 yamt register_t *retval) 242 1.4.2.2 yamt { 243 1.4.2.2 yamt struct sys_semget_args ua; 244 1.4.2.2 yamt 245 1.4.2.2 yamt SCARG(&ua, key) = SCARG(uap, a1); 246 1.4.2.2 yamt SCARG(&ua, nsems) = SCARG(uap, a2); 247 1.4.2.2 yamt SCARG(&ua, semflg) = SCARG(uap, a3); 248 1.4.2.2 yamt 249 1.4.2.2 yamt return sys_semget(l, &ua, retval); 250 1.4.2.2 yamt } 251 1.4.2.2 yamt 252 1.4.2.2 yamt static int 253 1.4.2.2 yamt linux32_semctl(struct lwp *l, const struct linux32_sys_ipc_args *uap, 254 1.4.2.2 yamt register_t *retval) 255 1.4.2.2 yamt { 256 1.4.2.2 yamt int lcmd, cmd, error; 257 1.4.2.2 yamt struct semid_ds bs; 258 1.4.2.2 yamt struct linux32_semid_ds ls; 259 1.4.2.2 yamt struct linux32_semid64_ds ls64; 260 1.4.2.2 yamt union linux32_semun lsem; 261 1.4.2.2 yamt union __semun bsem; 262 1.4.2.2 yamt void *buf = NULL; 263 1.4.2.2 yamt 264 1.4.2.2 yamt if ((error = copyin(SCARG_P32(uap, ptr), &lsem, sizeof lsem))) 265 1.4.2.2 yamt return error; 266 1.4.2.2 yamt 267 1.4.2.2 yamt lcmd = SCARG(uap, a3); 268 1.4.2.2 yamt 269 1.4.2.2 yamt switch (lcmd & ~LINUX32_IPC_64) { 270 1.4.2.2 yamt case LINUX32_IPC_RMID: 271 1.4.2.2 yamt cmd = IPC_RMID; 272 1.4.2.2 yamt break; 273 1.4.2.2 yamt case LINUX32_IPC_STAT: 274 1.4.2.2 yamt cmd = IPC_STAT; 275 1.4.2.2 yamt buf = &bs; 276 1.4.2.2 yamt break; 277 1.4.2.2 yamt case LINUX32_IPC_SET: 278 1.4.2.2 yamt if (lcmd & LINUX32_IPC_64) { 279 1.4.2.2 yamt error = copyin(NETBSD32PTR64(lsem.l_buf), &ls64, 280 1.4.2.2 yamt sizeof ls64); 281 1.4.2.2 yamt linux32_to_bsd_semid64_ds(&ls64, &bs); 282 1.4.2.2 yamt } else { 283 1.4.2.2 yamt error = copyin(NETBSD32PTR64(lsem.l_buf), &ls, 284 1.4.2.2 yamt sizeof ls); 285 1.4.2.2 yamt linux32_to_bsd_semid_ds(&ls, &bs); 286 1.4.2.2 yamt } 287 1.4.2.2 yamt if (error) 288 1.4.2.2 yamt return error; 289 1.4.2.2 yamt cmd = IPC_SET; 290 1.4.2.2 yamt buf = &bs; 291 1.4.2.2 yamt break; 292 1.4.2.2 yamt case LINUX32_GETVAL: 293 1.4.2.2 yamt cmd = GETVAL; 294 1.4.2.2 yamt break; 295 1.4.2.2 yamt case LINUX32_SETVAL: 296 1.4.2.2 yamt cmd = SETVAL; 297 1.4.2.2 yamt bsem.val = lsem.l_val; 298 1.4.2.2 yamt buf = &bsem; 299 1.4.2.2 yamt break; 300 1.4.2.2 yamt case LINUX32_GETPID: 301 1.4.2.2 yamt cmd = GETPID; 302 1.4.2.2 yamt break; 303 1.4.2.2 yamt case LINUX32_GETNCNT: 304 1.4.2.2 yamt cmd = GETNCNT; 305 1.4.2.2 yamt break; 306 1.4.2.2 yamt case LINUX32_GETZCNT: 307 1.4.2.2 yamt cmd = GETZCNT; 308 1.4.2.2 yamt break; 309 1.4.2.2 yamt case LINUX32_GETALL: 310 1.4.2.2 yamt cmd = GETALL; 311 1.4.2.2 yamt bsem.array = NETBSD32PTR64(lsem.l_array); 312 1.4.2.2 yamt buf = &bsem; 313 1.4.2.2 yamt break; 314 1.4.2.2 yamt case LINUX32_SETALL: 315 1.4.2.2 yamt cmd = SETALL; 316 1.4.2.2 yamt bsem.array = NETBSD32PTR64(lsem.l_array); 317 1.4.2.2 yamt buf = &bsem; 318 1.4.2.2 yamt break; 319 1.4.2.2 yamt default: 320 1.4.2.2 yamt return EINVAL; 321 1.4.2.2 yamt } 322 1.4.2.2 yamt 323 1.4.2.2 yamt error = semctl1(l, SCARG(uap, a1), SCARG(uap, a2), cmd, buf, retval); 324 1.4.2.2 yamt if (error) 325 1.4.2.2 yamt return error; 326 1.4.2.2 yamt 327 1.4.2.2 yamt switch (lcmd) { 328 1.4.2.2 yamt case LINUX32_IPC_STAT: 329 1.4.2.2 yamt bsd_to_linux32_semid_ds(&bs, &ls); 330 1.4.2.2 yamt error = copyout(&ls, NETBSD32PTR64(lsem.l_buf), sizeof ls); 331 1.4.2.2 yamt break; 332 1.4.2.2 yamt case LINUX32_IPC_STAT|LINUX32_IPC_64: 333 1.4.2.2 yamt bsd_to_linux32_semid64_ds(&bs, &ls64); 334 1.4.2.2 yamt error = copyout(&ls64, NETBSD32PTR64(lsem.l_buf), sizeof ls64); 335 1.4.2.2 yamt break; 336 1.4.2.2 yamt default: 337 1.4.2.2 yamt break; 338 1.4.2.2 yamt } 339 1.4.2.2 yamt 340 1.4.2.2 yamt return error; 341 1.4.2.2 yamt } 342 1.4.2.2 yamt #endif /* SYSVSEM */ 343 1.4.2.2 yamt 344 1.4.2.2 yamt #ifdef SYSVSHM 345 1.4.2.2 yamt static void 346 1.4.2.2 yamt bsd_to_linux32_shmid_ds(struct shmid_ds *bsp, struct linux32_shmid_ds *lsp) 347 1.4.2.2 yamt { 348 1.4.2.2 yamt bsd_to_linux32_ipc_perm(&bsp->shm_perm, &lsp->l_shm_perm); 349 1.4.2.2 yamt lsp->l_shm_segsz = bsp->shm_segsz; 350 1.4.2.2 yamt lsp->l_shm_atime = bsp->shm_atime; 351 1.4.2.2 yamt lsp->l_shm_dtime = bsp->shm_dtime; 352 1.4.2.2 yamt lsp->l_shm_ctime = bsp->shm_ctime; 353 1.4.2.2 yamt lsp->l_shm_cpid = bsp->shm_cpid; 354 1.4.2.2 yamt lsp->l_shm_lpid = bsp->shm_lpid; 355 1.4.2.2 yamt lsp->l_shm_nattch = bsp->shm_nattch; 356 1.4.2.2 yamt NETBSD32PTR32(lsp->l_private2, bsp->_shm_internal); 357 1.4.2.2 yamt } 358 1.4.2.2 yamt 359 1.4.2.2 yamt static void 360 1.4.2.2 yamt linux32_to_bsd_shmid_ds(struct linux32_shmid_ds *lsp, struct shmid_ds *bsp) 361 1.4.2.2 yamt { 362 1.4.2.2 yamt linux32_to_bsd_ipc_perm(&lsp->l_shm_perm, &bsp->shm_perm); 363 1.4.2.2 yamt bsp->shm_segsz = lsp->l_shm_segsz; 364 1.4.2.2 yamt bsp->shm_atime = lsp->l_shm_atime; 365 1.4.2.2 yamt bsp->shm_dtime = lsp->l_shm_dtime; 366 1.4.2.2 yamt bsp->shm_ctime = lsp->l_shm_ctime; 367 1.4.2.2 yamt bsp->shm_cpid = lsp->l_shm_cpid; 368 1.4.2.2 yamt bsp->shm_lpid = lsp->l_shm_lpid; 369 1.4.2.2 yamt bsp->shm_nattch = lsp->l_shm_nattch; 370 1.4.2.2 yamt bsp->_shm_internal = NETBSD32PTR64(lsp->l_private2); 371 1.4.2.2 yamt } 372 1.4.2.2 yamt 373 1.4.2.2 yamt static void 374 1.4.2.2 yamt bsd_to_linux32_shmid64_ds(struct shmid_ds *bsp, struct linux32_shmid64_ds *lsp) 375 1.4.2.2 yamt { 376 1.4.2.2 yamt bsd_to_linux32_ipc64_perm(&bsp->shm_perm, &lsp->l_shm_perm); 377 1.4.2.2 yamt lsp->l_shm_segsz = bsp->shm_segsz; 378 1.4.2.2 yamt lsp->l_shm_atime = bsp->shm_atime; 379 1.4.2.2 yamt lsp->l_shm_dtime = bsp->shm_dtime; 380 1.4.2.2 yamt lsp->l_shm_ctime = bsp->shm_ctime; 381 1.4.2.2 yamt lsp->l_shm_cpid = bsp->shm_cpid; 382 1.4.2.2 yamt lsp->l_shm_lpid = bsp->shm_lpid; 383 1.4.2.2 yamt lsp->l_shm_nattch = bsp->shm_nattch; 384 1.4.2.2 yamt lsp->l___unused5 = NETBSD32PTR32I(bsp->_shm_internal); 385 1.4.2.2 yamt } 386 1.4.2.2 yamt 387 1.4.2.2 yamt static void 388 1.4.2.2 yamt linux32_to_bsd_shmid64_ds(struct linux32_shmid64_ds *lsp, struct shmid_ds *bsp) 389 1.4.2.2 yamt { 390 1.4.2.2 yamt linux32_to_bsd_ipc64_perm(&lsp->l_shm_perm, &bsp->shm_perm); 391 1.4.2.2 yamt bsp->shm_segsz = lsp->l_shm_segsz; 392 1.4.2.2 yamt bsp->shm_atime = lsp->l_shm_atime; 393 1.4.2.2 yamt bsp->shm_dtime = lsp->l_shm_dtime; 394 1.4.2.2 yamt bsp->shm_ctime = lsp->l_shm_ctime; 395 1.4.2.2 yamt bsp->shm_cpid = lsp->l_shm_cpid; 396 1.4.2.2 yamt bsp->shm_lpid = lsp->l_shm_lpid; 397 1.4.2.2 yamt bsp->shm_nattch = lsp->l_shm_nattch; 398 1.4.2.2 yamt bsp->_shm_internal = NETBSD32IPTR64(lsp->l___unused5); 399 1.4.2.2 yamt } 400 1.4.2.2 yamt 401 1.4.2.2 yamt static int 402 1.4.2.2 yamt linux32_shmat(struct lwp *l, const struct linux32_sys_ipc_args *uap, 403 1.4.2.2 yamt register_t *retval) 404 1.4.2.2 yamt { 405 1.4.2.2 yamt struct sys_shmat_args ua; 406 1.4.2.2 yamt netbsd32_pointer_t addr32; 407 1.4.2.2 yamt int error; 408 1.4.2.2 yamt 409 1.4.2.2 yamt SCARG(&ua, shmid) = SCARG(uap, a1); 410 1.4.2.2 yamt SCARG(&ua, shmaddr) = SCARG_P32(uap, ptr); 411 1.4.2.2 yamt SCARG(&ua, shmflg) = SCARG(uap, a2); 412 1.4.2.2 yamt 413 1.4.2.2 yamt if ((error = sys_shmat(l, &ua, retval))) 414 1.4.2.2 yamt return error; 415 1.4.2.2 yamt 416 1.4.2.2 yamt NETBSD32PTR32(addr32, (const void *)(uintptr_t)retval[0]); 417 1.4.2.2 yamt 418 1.4.2.2 yamt error = copyout(&addr32, NETBSD32IPTR64(SCARG(uap, a3)), sizeof addr32); 419 1.4.2.2 yamt if (error == 0) 420 1.4.2.2 yamt retval[0] = 0; 421 1.4.2.2 yamt 422 1.4.2.2 yamt return error; 423 1.4.2.2 yamt } 424 1.4.2.2 yamt 425 1.4.2.2 yamt static int 426 1.4.2.2 yamt linux32_shmdt(struct lwp *l, const struct linux32_sys_ipc_args *uap, 427 1.4.2.2 yamt register_t *retval) 428 1.4.2.2 yamt { 429 1.4.2.2 yamt struct sys_shmdt_args ua; 430 1.4.2.2 yamt 431 1.4.2.2 yamt SCARG(&ua, shmaddr) = SCARG_P32(uap, ptr); 432 1.4.2.2 yamt 433 1.4.2.2 yamt return sys_shmdt(l, &ua, retval); 434 1.4.2.2 yamt } 435 1.4.2.2 yamt 436 1.4.2.2 yamt static int 437 1.4.2.2 yamt linux32_shmget(struct lwp *l, const struct linux32_sys_ipc_args *uap, 438 1.4.2.2 yamt register_t *retval) 439 1.4.2.2 yamt { 440 1.4.2.2 yamt struct sys_shmget_args ua; 441 1.4.2.2 yamt 442 1.4.2.2 yamt SCARG(&ua, key) = SCARG(uap, a1); 443 1.4.2.2 yamt SCARG(&ua, size) = SCARG(uap, a2); 444 1.4.2.2 yamt SCARG(&ua, shmflg) = SCARG(uap, a3) | _SHM_RMLINGER; 445 1.4.2.2 yamt 446 1.4.2.2 yamt return sys_shmget(l, &ua, retval); 447 1.4.2.2 yamt } 448 1.4.2.2 yamt 449 1.4.2.2 yamt static int 450 1.4.2.2 yamt linux32_shmctl(struct lwp *l, const struct linux32_sys_ipc_args *uap, 451 1.4.2.2 yamt register_t *retval) 452 1.4.2.2 yamt { 453 1.4.2.2 yamt int shmid, cmd, error; 454 1.4.2.2 yamt struct shmid_ds bs; 455 1.4.2.2 yamt struct linux32_shmid_ds ls; 456 1.4.2.2 yamt struct linux32_shmid64_ds ls64; 457 1.4.2.2 yamt 458 1.4.2.2 yamt shmid = SCARG(uap, a1); 459 1.4.2.2 yamt cmd = SCARG(uap, a2); 460 1.4.2.2 yamt 461 1.4.2.2 yamt switch (cmd & ~LINUX32_IPC_64) { 462 1.4.2.2 yamt 463 1.4.2.2 yamt case LINUX32_SHM_STAT: 464 1.4.2.2 yamt return ENOSYS; 465 1.4.2.2 yamt 466 1.4.2.2 yamt case LINUX32_IPC_STAT: 467 1.4.2.2 yamt error = shmctl1(l, shmid, IPC_STAT, &bs); 468 1.4.2.2 yamt if (error != 0) 469 1.4.2.2 yamt return error; 470 1.4.2.2 yamt if (cmd & LINUX32_IPC_64) { 471 1.4.2.2 yamt bsd_to_linux32_shmid64_ds(&bs, &ls64); 472 1.4.2.2 yamt error = copyout(&ls64, SCARG_P32(uap, ptr), sizeof ls64); 473 1.4.2.2 yamt } else { 474 1.4.2.2 yamt bsd_to_linux32_shmid_ds(&bs, &ls); 475 1.4.2.2 yamt error = copyout(&ls, SCARG_P32(uap, ptr), sizeof ls); 476 1.4.2.2 yamt } 477 1.4.2.2 yamt return error; 478 1.4.2.2 yamt 479 1.4.2.2 yamt case LINUX32_IPC_SET: 480 1.4.2.2 yamt if (cmd & LINUX32_IPC_64) { 481 1.4.2.2 yamt error = copyin(SCARG_P32(uap, ptr), &ls64, sizeof ls64); 482 1.4.2.2 yamt linux32_to_bsd_shmid64_ds(&ls64, &bs); 483 1.4.2.2 yamt } else { 484 1.4.2.2 yamt error = copyin(SCARG_P32(uap, ptr), &ls, sizeof ls); 485 1.4.2.2 yamt linux32_to_bsd_shmid_ds(&ls, &bs); 486 1.4.2.2 yamt } 487 1.4.2.2 yamt if (error != 0) 488 1.4.2.2 yamt return error; 489 1.4.2.2 yamt return shmctl1(l, shmid, IPC_SET, &bs); 490 1.4.2.2 yamt 491 1.4.2.2 yamt case LINUX32_IPC_RMID: 492 1.4.2.2 yamt return shmctl1(l, shmid, IPC_RMID, NULL); 493 1.4.2.2 yamt 494 1.4.2.2 yamt case LINUX32_SHM_LOCK: 495 1.4.2.2 yamt return shmctl1(l, shmid, SHM_LOCK, NULL); 496 1.4.2.2 yamt 497 1.4.2.2 yamt case LINUX32_SHM_UNLOCK: 498 1.4.2.2 yamt return shmctl1(l, shmid, SHM_UNLOCK, NULL); 499 1.4.2.2 yamt 500 1.4.2.2 yamt case LINUX32_IPC_INFO: 501 1.4.2.2 yamt case LINUX32_SHM_INFO: 502 1.4.2.2 yamt return ENOSYS; 503 1.4.2.2 yamt 504 1.4.2.2 yamt default: 505 1.4.2.2 yamt return EINVAL; 506 1.4.2.2 yamt } 507 1.4.2.2 yamt } 508 1.4.2.2 yamt #endif /* SYSVSHM */ 509
Indexes created Fri Oct 03 02:09:57 GMT 2025