static long ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct iscsi_target *target = NULL; long err; u32 id; if ((err = get_user(id, (u32 *) arg)) != 0) goto done; if (cmd == DEL_TARGET) { err = target_del(id); goto done; } target = target_lookup_by_id(id); if (cmd == ADD_TARGET) if (target) { err = -EEXIST; eprintk("Target %u already exist!\n", id); goto done; } switch (cmd) { case ADD_TARGET: assert(!target); err = add_target(arg); goto done; } if (!target) { eprintk("can't find the target %u\n", id); err = -EINVAL; goto done; } if ((err = target_lock(target, 1)) < 0) { eprintk("interrupted %ld %d\n", err, cmd); goto done; } switch (cmd) { case ADD_VOLUME: err = add_volume(target, arg); break; case DEL_VOLUME: err = del_volume(target, arg); break; case ADD_SESSION: err = add_session(target, arg); break; case DEL_SESSION: err = del_session(target, arg); break; case GET_SESSION_INFO: err = get_session_info(target, arg); break; case ISCSI_PARAM_SET: err = iscsi_param_config(target, arg, 1); break; case ISCSI_PARAM_GET: err = iscsi_param_config(target, arg, 0); break; case ADD_CONN: err = add_conn(target, arg); break; case DEL_CONN: err = del_conn(target, arg); break; case GET_CONN_INFO: err = get_conn_info(target, arg); break; } if (target) target_unlock(target); done: return err; }
static long ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct iscsi_target *target = NULL; long err; u32 id; err = down_interruptible(&ioctl_sem); if (err < 0) return err; if (cmd == GET_MODULE_INFO) { err = get_module_info(arg); goto done; } if (cmd == ADD_TARGET) { err = add_target(arg); goto done; } err = get_user(id, (u32 *) arg); if (err < 0) goto done; /* locking handled in target_del */ if (cmd == DEL_TARGET) { err = target_del(id); goto done; } target = target_lookup_by_id(id); if (!target) { err = -ENOENT; goto done; } err = target_lock(target, 1); if (err < 0) goto done; switch (cmd) { case ADD_VOLUME: err = add_volume(target, arg); break; case DEL_VOLUME: err = del_volume(target, arg); break; case ADD_SESSION: err = add_session(target, arg); break; case DEL_SESSION: err = del_session(target, arg); break; case GET_SESSION_INFO: err = get_session_info(target, arg); break; case ISCSI_PARAM_SET: err = iscsi_param_config(target, arg, 1); break; case ISCSI_PARAM_GET: err = iscsi_param_config(target, arg, 0); break; case ADD_CONN: err = add_conn(target, arg); break; case DEL_CONN: err = del_conn(target, arg); break; case GET_CONN_INFO: err = get_conn_info(target, arg); break; default: eprintk("invalid ioctl cmd %x\n", cmd); err = -EINVAL; } target_unlock(target); done: up(&ioctl_sem); return err; }
static bool_t ReAttach_m( FlowMan_cl *self, FlowMan_Flow flow, FlowMan_ConnID cid /* IN */, const FlowMan_SAP *lsap /* IN */, const FlowMan_SAP *rsap /* IN */ ) { flowman_st UNUSED *st = self->st; conn_t *c = (conn_t *)cid; flow_t *f = (flow_t *)flow; port_alloc_t *p; switch (lsap->tag) { case FlowMan_PT_TCP: p = st->host->TCPportuse; break; case FlowMan_PT_UDP: p = st->host->UDPportuse; break; default: printf("FlowMan$ReAttach: unknown protocol %d\n", lsap->tag); return False; } /* check the client owns the local port in question */ while(p) { if (p->port == lsap->u.UDP.port) break; p = p->next; } if (!p) { printf("FlowMan$ReAttach: domain %qx attempted to attach " "to unbound port %d\n", st->dom, ntohs(lsap->u.UDP.port)); return False; } /* check client specified the correct local IP address */ if (lsap->u.UDP.addr.a != f->intf->ipaddr) { printf("FlowMan$ReAttach: domain %qx attempted to attach " "with bogus local IP address (%x != %x)\n", st->dom, ntohl(lsap->u.UDP.addr.a), ntohl(f->intf->ipaddr)); return 0; } /* remove old demux for this flow, and put the new one in */ /* XXX TX stuff isn't changed */ /* XXX race between del and add; need to make these atomic. */ del_conn(f, c); /* take a copy of the new connection endpoints */ c->lsap = *lsap; c->rsap = *rsap; add_conn(f, c); return True; }
int iet_ioctl(struct cdev *dev, unsigned long cmd, caddr_t iarg, int fflag, struct thread *td) #endif { struct iscsi_target *target = NULL; long err; u32 id; #ifdef FREEBSD unsigned long arg = (unsigned long)(iarg); /* Avoid make warnings */ #endif err = mutex_lock_interruptible(&ioctl_mutex); if (err != 0) return err; if (cmd == GET_MODULE_INFO) { err = get_module_info(arg); goto done; } if (cmd == ADD_TARGET) { err = add_target(arg); goto done; } err = copy_from_user(&id, (u32 *) (unsigned long)arg, sizeof(u32)); if (err < 0) goto done; /* locking handled in target_del */ if (cmd == DEL_TARGET) { err = target_del(id); goto done; } target = target_lookup_by_id(id); if (!target) { err = -ENOENT; goto done; } err = target_lock(target, 1); if (err < 0) goto done; switch (cmd) { case ADD_VOLUME: err = add_volume(target, arg); break; case DEL_VOLUME: err = del_volume(target, arg); break; case ADD_SESSION: err = add_session(target, arg); break; case DEL_SESSION: err = del_session(target, arg); break; case GET_SESSION_INFO: err = get_session_info(target, arg); break; case ISCSI_PARAM_SET: err = iscsi_param_config(target, arg, 1); break; case ISCSI_PARAM_GET: err = iscsi_param_config(target, arg, 0); break; case ADD_CONN: err = add_conn(target, arg); break; case DEL_CONN: err = del_conn(target, arg); break; case GET_CONN_INFO: err = get_conn_info(target, arg); break; default: eprintk("invalid ioctl cmd %lx\n", (unsigned long)cmd); err = -EINVAL; } target_unlock(target); done: mutex_unlock(&ioctl_mutex); #ifdef FREEBSD if (err < 0) err = -(err); #endif return err; }