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-rw-r--r--hw/bt/core.c144
1 files changed, 144 insertions, 0 deletions
diff --git a/hw/bt/core.c b/hw/bt/core.c
new file mode 100644
index 00000000..0ffc9488
--- /dev/null
+++ b/hw/bt/core.c
@@ -0,0 +1,144 @@
+/*
+ * 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-common.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)
+ fprintf(stderr, "%s: stray LMP_not_accepted received, fixme\n",
+ __FUNCTION__);
+ else
+ fprintf(stderr, "%s: stray LMP_accepted received, fixme\n",
+ __FUNCTION__);
+ exit(-1);
+}
+
+static void bt_dummy_lmp_disconnect_master(struct bt_link_s *link)
+{
+ fprintf(stderr, "%s: stray LMP_detach received, fixme\n", __FUNCTION__);
+ exit(-1);
+}
+
+static void bt_dummy_lmp_acl_resp(struct bt_link_s *link,
+ const uint8_t *data, int start, int len)
+{
+ fprintf(stderr, "%s: stray ACL response PDU, fixme\n", __FUNCTION__);
+ 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) {
+ fprintf(stderr, "%s: bad bt device \"%s\"\n", __FUNCTION__,
+ 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;
+}