1 /* $NetBSD: kern.h,v 1.5 2020/11/01 20:58:38 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2007-2011 Antti Kantee. All Rights Reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #ifndef _SYS_RUMP_PRIVATE_H_ 29 #define _SYS_RUMP_PRIVATE_H_ 30 31 #include <sys/param.h> 32 #include <sys/cpu.h> 33 #include <sys/device.h> 34 #include <sys/lwp.h> 35 #include <sys/proc.h> 36 #include <sys/systm.h> 37 #include <sys/types.h> 38 39 #include <uvm/uvm.h> 40 #include <uvm/uvm_object.h> 41 #include <uvm/uvm_page.h> 42 43 #include <rump/rump.h> 44 #include <rump/rumpuser.h> 45 46 #include <rump-sys/kern_if.h> 47 48 extern struct rumpuser_mtx *rump_giantlock; 49 50 extern int rump_threads; 51 extern struct device rump_rootdev; 52 53 extern struct sysent rump_sysent[]; 54 extern const uint32_t rump_sysent_nomodbits[]; 55 56 enum rump_component_type { 57 RUMP_COMPONENT_DEV, 58 RUMP_COMPONENT_DEV_AFTERMAINBUS, 59 RUMP_COMPONENT_NET, 60 RUMP_COMPONENT_NET_ROUTE, 61 RUMP_COMPONENT_NET_IF, 62 RUMP_COMPONENT_NET_IFCFG, 63 RUMP_COMPONENT_VFS, 64 RUMP_COMPONENT_KERN, 65 RUMP_COMPONENT_KERN_VFS, 66 RUMP_COMPONENT_POSTINIT, 67 RUMP_COMPONENT_SYSCALL, 68 69 RUMP__FACTION_DEV, 70 RUMP__FACTION_VFS, 71 RUMP__FACTION_NET, 72 73 RUMP_COMPONENT_MAX, 74 }; 75 struct rump_component { 76 enum rump_component_type rc_type; 77 void (*rc_init)(void); 78 LIST_ENTRY(rump_component) rc_entries; 79 }; 80 81 /* 82 * If RUMP_USE_CTOR is defined, we use __attribute__((constructor)) to 83 * determine which components are present when rump_init() is called. 84 * Otherwise, we use link sets and the __start/__stop symbols generated 85 * by the toolchain. 86 */ 87 88 #ifdef RUMP_USE_CTOR 89 #define _RUMP_COMPONENT_REGISTER(type) \ 90 static void rumpcomp_ctor##type(void) __attribute__((constructor)); \ 91 static void rumpcomp_ctor##type(void) \ 92 { \ 93 rump_component_load(&rumpcomp##type); \ 94 } \ 95 static void rumpcomp_dtor##type(void) __attribute__((destructor)); \ 96 static void rumpcomp_dtor##type(void) \ 97 { \ 98 rump_component_unload(&rumpcomp##type); \ 99 } 100 101 #else /* RUMP_USE_CTOR */ 102 103 #define _RUMP_COMPONENT_REGISTER(type) \ 104 __link_set_add_rodata(rump_components, rumpcomp##type); 105 #endif /* RUMP_USE_CTOR */ 106 107 #define RUMP_COMPONENT(type) \ 108 static void rumpcompinit##type(void); \ 109 static struct rump_component rumpcomp##type = { \ 110 .rc_type = type, \ 111 .rc_init = rumpcompinit##type, \ 112 }; \ 113 _RUMP_COMPONENT_REGISTER(type) \ 114 static void rumpcompinit##type(void) 115 116 #define FLAWLESSCALL(call) \ 117 do { \ 118 int att_error; \ 119 if ((att_error = call) != 0) \ 120 panic("\"%s\" failed", #call); \ 121 } while (/*CONSTCOND*/0) 122 123 #define RUMPMEM_UNLIMITED ((unsigned long)-1) 124 extern unsigned long rump_physmemlimit; 125 126 extern struct vmspace *rump_vmspace_local; 127 extern struct pmap rump_pmap_local; 128 #define RUMP_LOCALPROC_P(p) \ 129 (p->p_vmspace == vmspace_kernel() || p->p_vmspace == rump_vmspace_local) 130 131 /* vm bundle for remote clients. the last member is the hypercall cookie */ 132 struct rump_spctl { 133 struct vmspace spctl_vm; 134 void *spctl; 135 }; 136 #define RUMP_SPVM2CTL(vm) (((struct rump_spctl *)vm)->spctl) 137 138 void rump_component_load(const struct rump_component *); 139 void rump_component_unload(struct rump_component *); 140 void rump_component_init(enum rump_component_type); 141 int rump_component_count(enum rump_component_type); 142 143 typedef void (*rump_proc_vfs_init_fn)(struct proc *); 144 typedef void (*rump_proc_vfs_release_fn)(struct proc *); 145 extern rump_proc_vfs_init_fn rump_proc_vfs_init; 146 extern rump_proc_vfs_release_fn rump_proc_vfs_release; 147 148 extern struct cpu_info rump_bootcpu; 149 150 extern bool rump_ttycomponent; 151 152 struct lwp * rump__lwproc_alloclwp(struct proc *); 153 void rump__lwproc_lwphold(void); 154 void rump__lwproc_lwprele(void); 155 156 void rump_cpus_bootstrap(int *); 157 void rump_biglock_init(void); 158 void rump_scheduler_init(int); 159 void rump_schedule(void); 160 void rump_unschedule(void); 161 void rump_schedule_cpu(struct lwp *); 162 void rump_schedule_cpu_interlock(struct lwp *, void *); 163 void rump_unschedule_cpu(struct lwp *); 164 void rump_unschedule_cpu_interlock(struct lwp *, void *); 165 void rump_unschedule_cpu1(struct lwp *, void *); 166 int rump_syscall(int, void *, size_t, register_t *); 167 168 struct rump_onesyscall { 169 int ros_num; 170 sy_call_t *ros_handler; 171 }; 172 void rump_syscall_boot_establish(const struct rump_onesyscall *, size_t); 173 174 void rump_schedlock_cv_wait(struct rumpuser_cv *); 175 int rump_schedlock_cv_timedwait(struct rumpuser_cv *, 176 const struct timespec *); 177 void rump_schedlock_cv_signal(struct cpu_info *, struct rumpuser_cv *); 178 179 void rump_user_schedule(int, void *); 180 void rump_user_unschedule(int, int *, void *); 181 182 void rump_cpu_attach(struct cpu_info *); 183 184 struct clockframe *rump_cpu_makeclockframe(void); 185 186 void rump_kernel_bigwrap(int *); 187 void rump_kernel_bigunwrap(int); 188 189 void rump_tsleep_init(void); 190 191 void rump_intr_init(int); 192 void rump_softint_run(struct cpu_info *); 193 194 void *rump_hypermalloc(size_t, int, bool, const char *); 195 void rump_hyperfree(void *, size_t); 196 197 void rump_xc_highpri(struct cpu_info *); 198 199 void rump_thread_init(void); 200 void rump_thread_allow(struct lwp *); 201 202 void rump_consdev_init(void); 203 204 void rump_hyperentropy_init(void); 205 206 void rump_lwproc_init(void); 207 void rump_lwproc_curlwp_set(struct lwp *); 208 void rump_lwproc_curlwp_clear(struct lwp *); 209 int rump_lwproc_rfork_vmspace(struct vmspace *, int); 210 211 /* 212 * sysproxy is an optional component. The interfaces with "hyp" 213 * in the name come into the rump kernel from the client or sysproxy 214 * stub, the rest go out of the rump kernel. 215 */ 216 struct rump_sysproxy_ops { 217 int (*rspo_copyin)(void *, const void *, void *, size_t); 218 int (*rspo_copyinstr)(void *, const void *, void *, size_t *); 219 int (*rspo_copyout)(void *, const void *, void *, size_t); 220 int (*rspo_copyoutstr)(void *, const void *, void *, size_t *); 221 int (*rspo_anonmmap)(void *, size_t, void **); 222 int (*rspo_raise)(void *, int); 223 void (*rspo_fini)(void *); 224 225 pid_t (*rspo_hyp_getpid)(void); 226 int (*rspo_hyp_syscall)(int, void *, long *); 227 int (*rspo_hyp_rfork)(void *, int, const char *); 228 void (*rspo_hyp_lwpexit)(void); 229 void (*rspo_hyp_execnotify)(const char *); 230 }; 231 extern struct rump_sysproxy_ops rump_sysproxy_ops; 232 #define rump_sysproxy_copyin(arg, raddr, laddr, len) \ 233 rump_sysproxy_ops.rspo_copyin(arg, raddr, laddr, len) 234 #define rump_sysproxy_copyinstr(arg, raddr, laddr, lenp) \ 235 rump_sysproxy_ops.rspo_copyinstr(arg, raddr, laddr, lenp) 236 #define rump_sysproxy_copyout(arg, laddr, raddr, len) \ 237 rump_sysproxy_ops.rspo_copyout(arg, laddr, raddr, len) 238 #define rump_sysproxy_copyoutstr(arg, laddr, raddr, lenp) \ 239 rump_sysproxy_ops.rspo_copyoutstr(arg, laddr, raddr, lenp) 240 #define rump_sysproxy_anonmmap(arg, howmuch, addr) \ 241 rump_sysproxy_ops.rspo_anonmmap(arg, howmuch, addr) 242 #define rump_sysproxy_raise(arg, signo) \ 243 rump_sysproxy_ops.rspo_raise(arg, signo) 244 #define rump_sysproxy_fini(arg) \ 245 rump_sysproxy_ops.rspo_fini(arg) 246 #define rump_sysproxy_hyp_getpid() \ 247 rump_sysproxy_ops.rspo_hyp_getpid() 248 #define rump_sysproxy_hyp_syscall(num, arg, retval) \ 249 rump_sysproxy_ops.rspo_hyp_syscall(num, arg, retval) 250 #define rump_sysproxy_hyp_rfork(priv, flag, comm) \ 251 rump_sysproxy_ops.rspo_hyp_rfork(priv, flag, comm) 252 #define rump_sysproxy_hyp_lwpexit() \ 253 rump_sysproxy_ops.rspo_hyp_lwpexit() 254 #define rump_sysproxy_hyp_execnotify(comm) \ 255 rump_sysproxy_ops.rspo_hyp_execnotify(comm) 256 257 #endif /* _SYS_RUMP_PRIVATE_H_ */ 258
Indexes created Sat Sep 20 22:09:52 GMT 2025