/* * Convenience functions for bluetooth. * * Copyright (C) 2008 Andrzej Zaborowski <balrog@zabor.org> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 or * (at your option) version 3 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, see <http://www.gnu.org/licenses/>. */ #include "qemu/osdep.h" #include "qemu/error-report.h" #include "sysemu/bt.h" #include "hw/bt.h" /* Slave implementations can ignore this */ static void bt_dummy_lmp_mode_change(struct bt_link_s *link) { } /* Slaves should never receive these PDUs */ static void bt_dummy_lmp_connection_complete(struct bt_link_s *link) { if (link->slave->reject_reason) error_report("%s: stray LMP_not_accepted received, fixme", __func__); else error_report("%s: stray LMP_accepted received, fixme", __func__); exit(-1); } static void bt_dummy_lmp_disconnect_master(struct bt_link_s *link) { error_report("%s: stray LMP_detach received, fixme", __func__); exit(-1); } static void bt_dummy_lmp_acl_resp(struct bt_link_s *link, const uint8_t *data, int start, int len) { error_report("%s: stray ACL response PDU, fixme", __func__); exit(-1); } /* Slaves that don't hold any additional per link state can use these */ static void bt_dummy_lmp_connection_request(struct bt_link_s *req) { struct bt_link_s *link = g_malloc0(sizeof(struct bt_link_s)); link->slave = req->slave; link->host = req->host; req->host->reject_reason = 0; req->host->lmp_connection_complete(link); } static void bt_dummy_lmp_disconnect_slave(struct bt_link_s *link) { g_free(link); } static void bt_dummy_destroy(struct bt_device_s *device) { bt_device_done(device); g_free(device); } static int bt_dev_idx = 0; void bt_device_init(struct bt_device_s *dev, struct bt_scatternet_s *net) { memset(dev, 0, sizeof(*dev)); dev->inquiry_scan = 1; dev->page_scan = 1; dev->bd_addr.b[0] = bt_dev_idx & 0xff; dev->bd_addr.b[1] = bt_dev_idx >> 8; dev->bd_addr.b[2] = 0xd0; dev->bd_addr.b[3] = 0xba; dev->bd_addr.b[4] = 0xbe; dev->bd_addr.b[5] = 0xba; bt_dev_idx ++; /* Simple slave-only devices need to implement only .lmp_acl_data */ dev->lmp_connection_complete = bt_dummy_lmp_connection_complete; dev->lmp_disconnect_master = bt_dummy_lmp_disconnect_master; dev->lmp_acl_resp = bt_dummy_lmp_acl_resp; dev->lmp_mode_change = bt_dummy_lmp_mode_change; dev->lmp_connection_request = bt_dummy_lmp_connection_request; dev->lmp_disconnect_slave = bt_dummy_lmp_disconnect_slave; dev->handle_destroy = bt_dummy_destroy; dev->net = net; dev->next = net->slave; net->slave = dev; } void bt_device_done(struct bt_device_s *dev) { struct bt_device_s **p = &dev->net->slave; while (*p && *p != dev) p = &(*p)->next; if (*p != dev) { error_report("%s: bad bt device \"%s\"", __func__, dev->lmp_name ?: "(null)"); exit(-1); } *p = dev->next; } static struct bt_vlan_s { struct bt_scatternet_s net; int id; struct bt_vlan_s *next; } *first_bt_vlan; /* find or alloc a new bluetooth "VLAN" */ struct bt_scatternet_s *qemu_find_bt_vlan(int id) { struct bt_vlan_s **pvlan, *vlan; for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { if (vlan->id == id) return &vlan->net; } vlan = g_malloc0(sizeof(struct bt_vlan_s)); vlan->id = id; pvlan = &first_bt_vlan; while (*pvlan != NULL) pvlan = &(*pvlan)->next; *pvlan = vlan; return &vlan->net; }