hw: move target-independent files to subdirectories

This patch tackles all files that are compiled once, moving
them to subdirectories of hw/.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 2217 insertions, 0 deletions

diff --git a/hw/bt/hci.c b/hw/bt/hci.c
new file mode 100644
index 0000000..a76edea
--- /dev/null
+++ b/hw/bt/hci.c
@@ -0,0 +1,2217 @@
+/*
+ * QEMU Bluetooth HCI logic.
+ *
+ * Copyright (C) 2007 OpenMoko, Inc.
+ * 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 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 "qemu/timer.h"
+#include "hw/usb.h"
+#include "bt/bt.h"
+#include "hw/bt.h"
+
+struct bt_hci_s {
+    uint8_t *(*evt_packet)(void *opaque);
+    void (*evt_submit)(void *opaque, int len);
+    void *opaque;
+    uint8_t evt_buf[256];
+
+    uint8_t acl_buf[4096];
+    int acl_len;
+
+    uint16_t asb_handle;
+    uint16_t psb_handle;
+
+    int last_cmd;	/* Note: Always little-endian */
+
+    struct bt_device_s *conn_req_host;
+
+    struct {
+        int inquire;
+        int periodic;
+        int responses_left;
+        int responses;
+        QEMUTimer *inquiry_done;
+        QEMUTimer *inquiry_next;
+        int inquiry_length;
+        int inquiry_period;
+        int inquiry_mode;
+
+#define HCI_HANDLE_OFFSET	0x20
+#define HCI_HANDLES_MAX		0x10
+        struct bt_hci_master_link_s {
+            struct bt_link_s *link;
+            void (*lmp_acl_data)(struct bt_link_s *link,
+                            const uint8_t *data, int start, int len);
+            QEMUTimer *acl_mode_timer;
+        } handle[HCI_HANDLES_MAX];
+        uint32_t role_bmp;
+        int last_handle;
+        int connecting;
+        bdaddr_t awaiting_bdaddr[HCI_HANDLES_MAX];
+    } lm;
+
+    uint8_t event_mask[8];
+    uint16_t voice_setting;	/* Notw: Always little-endian */
+    uint16_t conn_accept_tout;
+    QEMUTimer *conn_accept_timer;
+
+    struct HCIInfo info;
+    struct bt_device_s device;
+};
+
+#define DEFAULT_RSSI_DBM	20
+
+#define hci_from_info(ptr)	container_of((ptr), struct bt_hci_s, info)
+#define hci_from_device(ptr)	container_of((ptr), struct bt_hci_s, device)
+
+struct bt_hci_link_s {
+    struct bt_link_s btlink;
+    uint16_t handle;	/* Local */
+};
+
+/* LMP layer emulation */
+#if 0
+static void bt_submit_lmp(struct bt_device_s *bt, int length, uint8_t *data)
+{
+    int resp, resplen, error, op, tr;
+    uint8_t respdata[17];
+
+    if (length < 1)
+        return;
+
+    tr = *data & 1;
+    op = *(data ++) >> 1;
+    resp = LMP_ACCEPTED;
+    resplen = 2;
+    respdata[1] = op;
+    error = 0;
+    length --;
+
+    if (op >= 0x7c) {	/* Extended opcode */
+        op |= *(data ++) << 8;
+        resp = LMP_ACCEPTED_EXT;
+        resplen = 4;
+        respdata[0] = op >> 8;
+        respdata[1] = op & 0xff;
+        length --;
+    }
+
+    switch (op) {
+    case LMP_ACCEPTED:
+        /* data[0]	Op code
+         */
+        if (length < 1) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        resp = 0;
+        break;
+
+    case LMP_ACCEPTED_EXT:
+        /* data[0]	Escape op code
+         * data[1]	Extended op code
+         */
+        if (length < 2) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        resp = 0;
+        break;
+
+    case LMP_NOT_ACCEPTED:
+        /* data[0]	Op code
+         * data[1]	Error code
+         */
+        if (length < 2) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        resp = 0;
+        break;
+
+    case LMP_NOT_ACCEPTED_EXT:
+        /* data[0]	Op code
+         * data[1]	Extended op code
+         * data[2]	Error code
+         */
+        if (length < 3) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        resp = 0;
+        break;
+
+    case LMP_HOST_CONNECTION_REQ:
+        break;
+
+    case LMP_SETUP_COMPLETE:
+        resp = LMP_SETUP_COMPLETE;
+        resplen = 1;
+        bt->setup = 1;
+        break;
+
+    case LMP_DETACH:
+        /* data[0]	Error code
+         */
+        if (length < 1) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        bt->setup = 0;
+        resp = 0;
+        break;
+
+    case LMP_SUPERVISION_TIMEOUT:
+        /* data[0,1]	Supervision timeout
+         */
+        if (length < 2) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        resp = 0;
+        break;
+
+    case LMP_QUALITY_OF_SERVICE:
+        resp = 0;
+        /* Fall through */
+    case LMP_QOS_REQ:
+        /* data[0,1]	Poll interval
+         * data[2]	N(BC)
+         */
+        if (length < 3) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        break;
+
+    case LMP_MAX_SLOT:
+        resp = 0;
+        /* Fall through */
+    case LMP_MAX_SLOT_REQ:
+        /* data[0]	Max slots
+         */
+        if (length < 1) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        break;
+
+    case LMP_AU_RAND:
+    case LMP_IN_RAND:
+    case LMP_COMB_KEY:
+        /* data[0-15]	Random number
+         */
+        if (length < 16) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        if (op == LMP_AU_RAND) {
+            if (bt->key_present) {
+                resp = LMP_SRES;
+                resplen = 5;
+                /* XXX: [Part H] Section 6.1 on page 801 */
+            } else {
+                error = HCI_PIN_OR_KEY_MISSING;
+                goto not_accepted;
+            }
+        } else if (op == LMP_IN_RAND) {
+            error = HCI_PAIRING_NOT_ALLOWED;
+            goto not_accepted;
+        } else {
+            /* XXX: [Part H] Section 3.2 on page 779 */
+            resp = LMP_UNIT_KEY;
+            resplen = 17;
+            memcpy(respdata + 1, bt->key, 16);
+
+            error = HCI_UNIT_LINK_KEY_USED;
+            goto not_accepted;
+        }
+        break;
+
+    case LMP_UNIT_KEY:
+        /* data[0-15]	Key
+         */
+        if (length < 16) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        memcpy(bt->key, data, 16);
+        bt->key_present = 1;
+        break;
+
+    case LMP_SRES:
+        /* data[0-3]	Authentication response
+         */
+        if (length < 4) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        break;
+
+    case LMP_CLKOFFSET_REQ:
+        resp = LMP_CLKOFFSET_RES;
+        resplen = 3;
+        respdata[1] = 0x33;
+        respdata[2] = 0x33;
+        break;
+
+    case LMP_CLKOFFSET_RES:
+        /* data[0,1]	Clock offset
+         * (Slave to master only)
+         */
+        if (length < 2) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        break;
+
+    case LMP_VERSION_REQ:
+    case LMP_VERSION_RES:
+        /* data[0]	VersNr
+         * data[1,2]	CompId
+         * data[3,4]	SubVersNr
+         */
+        if (length < 5) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        if (op == LMP_VERSION_REQ) {
+            resp = LMP_VERSION_RES;
+            resplen = 6;
+            respdata[1] = 0x20;
+            respdata[2] = 0xff;
+            respdata[3] = 0xff;
+            respdata[4] = 0xff;
+            respdata[5] = 0xff;
+        } else
+            resp = 0;
+        break;
+
+    case LMP_FEATURES_REQ:
+    case LMP_FEATURES_RES:
+        /* data[0-7]	Features
+         */
+        if (length < 8) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        if (op == LMP_FEATURES_REQ) {
+            resp = LMP_FEATURES_RES;
+            resplen = 9;
+            respdata[1] = (bt->lmp_caps >> 0) & 0xff;
+            respdata[2] = (bt->lmp_caps >> 8) & 0xff;
+            respdata[3] = (bt->lmp_caps >> 16) & 0xff;
+            respdata[4] = (bt->lmp_caps >> 24) & 0xff;
+            respdata[5] = (bt->lmp_caps >> 32) & 0xff;
+            respdata[6] = (bt->lmp_caps >> 40) & 0xff;
+            respdata[7] = (bt->lmp_caps >> 48) & 0xff;
+            respdata[8] = (bt->lmp_caps >> 56) & 0xff;
+        } else
+            resp = 0;
+        break;
+
+    case LMP_NAME_REQ:
+        /* data[0]	Name offset
+         */
+        if (length < 1) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        resp = LMP_NAME_RES;
+        resplen = 17;
+        respdata[1] = data[0];
+        respdata[2] = strlen(bt->lmp_name);
+        memset(respdata + 3, 0x00, 14);
+        if (respdata[2] > respdata[1])
+            memcpy(respdata + 3, bt->lmp_name + respdata[1],
+                            respdata[2] - respdata[1]);
+        break;
+
+    case LMP_NAME_RES:
+        /* data[0]	Name offset
+         * data[1]	Name length
+         * data[2-15]	Name fragment
+         */
+        if (length < 16) {
+            error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE;
+            goto not_accepted;
+        }
+        resp = 0;
+        break;
+
+    default:
+        error = HCI_UNKNOWN_LMP_PDU;
+        /* Fall through */
+    not_accepted:
+        if (op >> 8) {
+            resp = LMP_NOT_ACCEPTED_EXT;
+            resplen = 5;
+            respdata[0] = op >> 8;
+            respdata[1] = op & 0xff;
+            respdata[2] = error;
+        } else {
+            resp = LMP_NOT_ACCEPTED;
+            resplen = 3;
+            respdata[0] = op & 0xff;
+            respdata[1] = error;
+        }
+    }
+
+    if (resp == 0)
+        return;
+
+    if (resp >> 8) {
+        respdata[0] = resp >> 8;
+        respdata[1] = resp & 0xff;
+    } else
+        respdata[0] = resp & 0xff;
+
+    respdata[0] <<= 1;
+    respdata[0] |= tr;
+}
+
+static void bt_submit_raw_acl(struct bt_piconet_s *net, int length, uint8_t *data)
+{
+    struct bt_device_s *slave;
+    if (length < 1)
+        return;
+
+    slave = 0;
+#if 0
+    slave = net->slave;
+#endif
+
+    switch (data[0] & 3) {
+    case LLID_ACLC:
+        bt_submit_lmp(slave, length - 1, data + 1);
+        break;
+    case LLID_ACLU_START:
+#if 0
+        bt_sumbit_l2cap(slave, length - 1, data + 1, (data[0] >> 2) & 1);
+        breka;
+#endif
+    default:
+    case LLID_ACLU_CONT:
+        break;
+    }
+}
+#endif
+
+/* HCI layer emulation */
+
+/* Note: we could ignore endiannes because unswapped handles will still
+ * be valid as connection identifiers for the guest - they don't have to
+ * be continuously allocated.  We do it though, to preserve similar
+ * behaviour between hosts.  Some things, like the BD_ADDR cannot be
+ * preserved though (for example if a real hci is used).  */
+#ifdef HOST_WORDS_BIGENDIAN
+# define HNDL(raw)	bswap16(raw)
+#else
+# define HNDL(raw)	(raw)
+#endif
+
+static const uint8_t bt_event_reserved_mask[8] = {
+    0xff, 0x9f, 0xfb, 0xff, 0x07, 0x18, 0x00, 0x00,
+};
+
+static inline uint8_t *bt_hci_event_start(struct bt_hci_s *hci,
+                int evt, int len)
+{
+    uint8_t *packet, mask;
+    int mask_byte;
+
+    if (len > 255) {
+        fprintf(stderr, "%s: HCI event params too long (%ib)\n",
+                        __FUNCTION__, len);
+        exit(-1);
+    }
+
+    mask_byte = (evt - 1) >> 3;
+    mask = 1 << ((evt - 1) & 3);
+    if (mask & bt_event_reserved_mask[mask_byte] & ~hci->event_mask[mask_byte])
+        return NULL;
+
+    packet = hci->evt_packet(hci->opaque);
+    packet[0] = evt;
+    packet[1] = len;
+
+    return &packet[2];
+}
+
+static inline void bt_hci_event(struct bt_hci_s *hci, int evt,
+                void *params, int len)
+{
+    uint8_t *packet = bt_hci_event_start(hci, evt, len);
+
+    if (!packet)
+        return;
+
+    if (len)
+        memcpy(packet, params, len);
+
+    hci->evt_submit(hci->opaque, len + 2);
+}
+
+static inline void bt_hci_event_status(struct bt_hci_s *hci, int status)
+{
+    evt_cmd_status params = {
+        .status	= status,
+        .ncmd	= 1,
+        .opcode	= hci->last_cmd,
+    };
+
+    bt_hci_event(hci, EVT_CMD_STATUS, &params, EVT_CMD_STATUS_SIZE);
+}
+
+static inline void bt_hci_event_complete(struct bt_hci_s *hci,
+                void *ret, int len)
+{
+    uint8_t *packet = bt_hci_event_start(hci, EVT_CMD_COMPLETE,
+                    len + EVT_CMD_COMPLETE_SIZE);
+    evt_cmd_complete *params = (evt_cmd_complete *) packet;
+
+    if (!packet)
+        return;
+
+    params->ncmd	= 1;
+    params->opcode	= hci->last_cmd;
+    if (len)
+        memcpy(&packet[EVT_CMD_COMPLETE_SIZE], ret, len);
+
+    hci->evt_submit(hci->opaque, len + EVT_CMD_COMPLETE_SIZE + 2);
+}
+
+static void bt_hci_inquiry_done(void *opaque)
+{
+    struct bt_hci_s *hci = (struct bt_hci_s *) opaque;
+    uint8_t status = HCI_SUCCESS;
+
+    if (!hci->lm.periodic)
+        hci->lm.inquire = 0;
+
+    /* The specification is inconsistent about this one.  Page 565 reads
+     * "The event parameters of Inquiry Complete event will have a summary
+     * of the result from the Inquiry process, which reports the number of
+     * nearby Bluetooth devices that responded [so hci->responses].", but
+     * Event Parameters (see page 729) has only Status.  */
+    bt_hci_event(hci, EVT_INQUIRY_COMPLETE, &status, 1);
+}
+
+static void bt_hci_inquiry_result_standard(struct bt_hci_s *hci,
+                struct bt_device_s *slave)
+{
+    inquiry_info params = {
+        .num_responses		= 1,
+        .bdaddr			= BAINIT(&slave->bd_addr),
+        .pscan_rep_mode		= 0x00,	/* R0 */
+        .pscan_period_mode	= 0x00,	/* P0 - deprecated */
+        .pscan_mode		= 0x00,	/* Standard scan - deprecated */
+        .dev_class[0]		= slave->class[0],
+        .dev_class[1]		= slave->class[1],
+        .dev_class[2]		= slave->class[2],
+        /* TODO: return the clkoff *differenece* */
+        .clock_offset		= slave->clkoff,	/* Note: no swapping */
+    };
+
+    bt_hci_event(hci, EVT_INQUIRY_RESULT, &params, INQUIRY_INFO_SIZE);
+}
+
+static void bt_hci_inquiry_result_with_rssi(struct bt_hci_s *hci,
+                struct bt_device_s *slave)
+{
+    inquiry_info_with_rssi params = {
+        .num_responses		= 1,
+        .bdaddr			= BAINIT(&slave->bd_addr),
+        .pscan_rep_mode		= 0x00,	/* R0 */
+        .pscan_period_mode	= 0x00,	/* P0 - deprecated */
+        .dev_class[0]		= slave->class[0],
+        .dev_class[1]		= slave->class[1],
+        .dev_class[2]		= slave->class[2],
+        /* TODO: return the clkoff *differenece* */
+        .clock_offset		= slave->clkoff,	/* Note: no swapping */
+        .rssi			= DEFAULT_RSSI_DBM,
+    };
+
+    bt_hci_event(hci, EVT_INQUIRY_RESULT_WITH_RSSI,
+                    &params, INQUIRY_INFO_WITH_RSSI_SIZE);
+}
+
+static void bt_hci_inquiry_result(struct bt_hci_s *hci,
+                struct bt_device_s *slave)
+{
+    if (!slave->inquiry_scan || !hci->lm.responses_left)
+        return;
+
+    hci->lm.responses_left --;
+    hci->lm.responses ++;
+
+    switch (hci->lm.inquiry_mode) {
+    case 0x00:
+        bt_hci_inquiry_result_standard(hci, slave);
+        return;
+    case 0x01:
+        bt_hci_inquiry_result_with_rssi(hci, slave);
+        return;
+    default:
+        fprintf(stderr, "%s: bad inquiry mode %02x\n", __FUNCTION__,
+                        hci->lm.inquiry_mode);
+        exit(-1);
+    }
+}
+
+static void bt_hci_mod_timer_1280ms(QEMUTimer *timer, int period)
+{
+    qemu_mod_timer(timer, qemu_get_clock_ns(vm_clock) +
+                   muldiv64(period << 7, get_ticks_per_sec(), 100));
+}
+
+static void bt_hci_inquiry_start(struct bt_hci_s *hci, int length)
+{
+    struct bt_device_s *slave;
+
+    hci->lm.inquiry_length = length;
+    for (slave = hci->device.net->slave; slave; slave = slave->next)
+        /* Don't uncover ourselves.  */
+        if (slave != &hci->device)
+            bt_hci_inquiry_result(hci, slave);
+
+    /* TODO: register for a callback on a new device's addition to the
+     * scatternet so that if it's added before inquiry_length expires,
+     * an Inquiry Result is generated immediately.  Alternatively re-loop
+     * through the devices on the inquiry_length expiration and report
+     * devices not seen before.  */
+    if (hci->lm.responses_left)
+        bt_hci_mod_timer_1280ms(hci->lm.inquiry_done, hci->lm.inquiry_length);
+    else
+        bt_hci_inquiry_done(hci);
+
+    if (hci->lm.periodic)
+        bt_hci_mod_timer_1280ms(hci->lm.inquiry_next, hci->lm.inquiry_period);
+}
+
+static void bt_hci_inquiry_next(void *opaque)
+{
+    struct bt_hci_s *hci = (struct bt_hci_s *) opaque;
+
+    hci->lm.responses_left += hci->lm.responses;
+    hci->lm.responses = 0;
+    bt_hci_inquiry_start(hci,  hci->lm.inquiry_length);
+}
+
+static inline int bt_hci_handle_bad(struct bt_hci_s *hci, uint16_t handle)
+{
+    return !(handle & HCI_HANDLE_OFFSET) ||
+            handle >= (HCI_HANDLE_OFFSET | HCI_HANDLES_MAX) ||
+            !hci->lm.handle[handle & ~HCI_HANDLE_OFFSET].link;
+}
+
+static inline int bt_hci_role_master(struct bt_hci_s *hci, uint16_t handle)
+{
+    return !!(hci->lm.role_bmp & (1 << (handle & ~HCI_HANDLE_OFFSET)));
+}
+
+static inline struct bt_device_s *bt_hci_remote_dev(struct bt_hci_s *hci,
+                uint16_t handle)
+{
+    struct bt_link_s *link = hci->lm.handle[handle & ~HCI_HANDLE_OFFSET].link;
+
+    return bt_hci_role_master(hci, handle) ? link->slave : link->host;
+}
+
+static void bt_hci_mode_tick(void *opaque);
+static void bt_hci_lmp_link_establish(struct bt_hci_s *hci,
+                struct bt_link_s *link, int master)
+{
+    hci->lm.handle[hci->lm.last_handle].link = link;
+
+    if (master) {
+        /* We are the master side of an ACL link */
+        hci->lm.role_bmp |= 1 << hci->lm.last_handle;
+
+        hci->lm.handle[hci->lm.last_handle].lmp_acl_data =
+                link->slave->lmp_acl_data;
+    } else {
+        /* We are the slave side of an ACL link */
+        hci->lm.role_bmp &= ~(1 << hci->lm.last_handle);
+
+        hci->lm.handle[hci->lm.last_handle].lmp_acl_data =
+                link->host->lmp_acl_resp;
+    }
+
+    /* Mode */
+    if (master) {
+        link->acl_mode = acl_active;
+        hci->lm.handle[hci->lm.last_handle].acl_mode_timer =
+                qemu_new_timer_ns(vm_clock, bt_hci_mode_tick, link);
+    }
+}
+
+static void bt_hci_lmp_link_teardown(struct bt_hci_s *hci, uint16_t handle)
+{
+    handle &= ~HCI_HANDLE_OFFSET;
+    hci->lm.handle[handle].link = NULL;
+
+    if (bt_hci_role_master(hci, handle)) {
+        qemu_del_timer(hci->lm.handle[handle].acl_mode_timer);
+        qemu_free_timer(hci->lm.handle[handle].acl_mode_timer);
+    }
+}
+
+static int bt_hci_connect(struct bt_hci_s *hci, bdaddr_t *bdaddr)
+{
+    struct bt_device_s *slave;
+    struct bt_link_s link;
+
+    for (slave = hci->device.net->slave; slave; slave = slave->next)
+        if (slave->page_scan && !bacmp(&slave->bd_addr, bdaddr))
+            break;
+    if (!slave || slave == &hci->device)
+        return -ENODEV;
+
+    bacpy(&hci->lm.awaiting_bdaddr[hci->lm.connecting ++], &slave->bd_addr);
+
+    link.slave = slave;
+    link.host = &hci->device;
+    link.slave->lmp_connection_request(&link);	/* Always last */
+
+    return 0;
+}
+
+static void bt_hci_connection_reject(struct bt_hci_s *hci,
+                struct bt_device_s *host, uint8_t because)
+{
+    struct bt_link_s link = {
+        .slave	= &hci->device,
+        .host	= host,
+        /* Rest uninitialised */
+    };
+
+    host->reject_reason = because;
+    host->lmp_connection_complete(&link);
+}
+
+static void bt_hci_connection_reject_event(struct bt_hci_s *hci,
+                bdaddr_t *bdaddr)
+{
+    evt_conn_complete params;
+
+    params.status	= HCI_NO_CONNECTION;
+    params.handle	= 0;
+    bacpy(&params.bdaddr, bdaddr);
+    params.link_type	= ACL_LINK;
+    params.encr_mode	= 0x00;		/* Encryption not required */
+    bt_hci_event(hci, EVT_CONN_COMPLETE, &params, EVT_CONN_COMPLETE_SIZE);
+}
+
+static void bt_hci_connection_accept(struct bt_hci_s *hci,
+                struct bt_device_s *host)
+{
+    struct bt_hci_link_s *link = g_malloc0(sizeof(struct bt_hci_link_s));
+    evt_conn_complete params;
+    uint16_t handle;
+    uint8_t status = HCI_SUCCESS;
+    int tries = HCI_HANDLES_MAX;
+
+    /* Make a connection handle */
+    do {
+        while (hci->lm.handle[++ hci->lm.last_handle].link && -- tries)
+            hci->lm.last_handle &= HCI_HANDLES_MAX - 1;
+        handle = hci->lm.last_handle | HCI_HANDLE_OFFSET;
+    } while ((handle == hci->asb_handle || handle == hci->psb_handle) &&
+            tries);
+
+    if (!tries) {
+        g_free(link);
+        bt_hci_connection_reject(hci, host, HCI_REJECTED_LIMITED_RESOURCES);
+        status = HCI_NO_CONNECTION;
+        goto complete;
+    }
+
+    link->btlink.slave	= &hci->device;
+    link->btlink.host	= host;
+    link->handle = handle;
+
+    /* Link established */
+    bt_hci_lmp_link_establish(hci, &link->btlink, 0);
+
+complete:
+    params.status	= status;
+    params.handle	= HNDL(handle);
+    bacpy(&params.bdaddr, &host->bd_addr);
+    params.link_type	= ACL_LINK;
+    params.encr_mode	= 0x00;		/* Encryption not required */
+    bt_hci_event(hci, EVT_CONN_COMPLETE, &params, EVT_CONN_COMPLETE_SIZE);
+
+    /* Neets to be done at the very end because it can trigger a (nested)
+     * disconnected, in case the other and had cancelled the request
+     * locally.  */
+    if (status == HCI_SUCCESS) {
+        host->reject_reason = 0;
+        host->lmp_connection_complete(&link->btlink);
+    }
+}
+
+static void bt_hci_lmp_connection_request(struct bt_link_s *link)
+{
+    struct bt_hci_s *hci = hci_from_device(link->slave);
+    evt_conn_request params;
+
+    if (hci->conn_req_host) {
+        bt_hci_connection_reject(hci, link->host,
+                                 HCI_REJECTED_LIMITED_RESOURCES);
+        return;
+    }
+    hci->conn_req_host = link->host;
+    /* TODO: if masked and auto-accept, then auto-accept,
+     * if masked and not auto-accept, then auto-reject */
+    /* TODO: kick the hci->conn_accept_timer, timeout after
+     * hci->conn_accept_tout * 0.625 msec */
+
+    bacpy(&params.bdaddr, &link->host->bd_addr);
+    memcpy(&params.dev_class, &link->host->class, sizeof(params.dev_class));
+    params.link_type	= ACL_LINK;
+    bt_hci_event(hci, EVT_CONN_REQUEST, &params, EVT_CONN_REQUEST_SIZE);
+}
+
+static void bt_hci_conn_accept_timeout(void *opaque)
+{
+    struct bt_hci_s *hci = (struct bt_hci_s *) opaque;
+
+    if (!hci->conn_req_host)
+        /* Already accepted or rejected.  If the other end cancelled the
+         * connection request then we still have to reject or accept it
+         * and then we'll get a disconnect.  */
+        return;
+
+    /* TODO */
+}
+
+/* Remove from the list of devices which we wanted to connect to and
+ * are awaiting a response from.  If the callback sees a response from
+ * a device which is not on the list it will assume it's a connection
+ * that's been cancelled by the host in the meantime and immediately
+ * try to detach the link and send a Connection Complete.  */
+static int bt_hci_lmp_connection_ready(struct bt_hci_s *hci,
+                bdaddr_t *bdaddr)
+{
+    int i;
+
+    for (i = 0; i < hci->lm.connecting; i ++)
+        if (!bacmp(&hci->lm.awaiting_bdaddr[i], bdaddr)) {
+            if (i < -- hci->lm.connecting)
+                bacpy(&hci->lm.awaiting_bdaddr[i],
+                                &hci->lm.awaiting_bdaddr[hci->lm.connecting]);
+            return 0;
+        }
+
+    return 1;
+}
+
+static void bt_hci_lmp_connection_complete(struct bt_link_s *link)
+{
+    struct bt_hci_s *hci = hci_from_device(link->host);
+    evt_conn_complete params;
+    uint16_t handle;
+    uint8_t status = HCI_SUCCESS;
+    int tries = HCI_HANDLES_MAX;
+
+    if (bt_hci_lmp_connection_ready(hci, &link->slave->bd_addr)) {
+        if (!hci->device.reject_reason)
+            link->slave->lmp_disconnect_slave(link);
+        handle = 0;
+        status = HCI_NO_CONNECTION;
+        goto complete;
+    }
+
+    if (hci->device.reject_reason) {
+        handle = 0;
+        status = hci->device.reject_reason;
+        goto complete;
+    }
+
+    /* Make a connection handle */
+    do {
+        while (hci->lm.handle[++ hci->lm.last_handle].link && -- tries)
+            hci->lm.last_handle &= HCI_HANDLES_MAX - 1;
+        handle = hci->lm.last_handle | HCI_HANDLE_OFFSET;
+    } while ((handle == hci->asb_handle || handle == hci->psb_handle) &&
+            tries);
+
+    if (!tries) {
+        link->slave->lmp_disconnect_slave(link);
+        status = HCI_NO_CONNECTION;
+        goto complete;
+    }
+
+    /* Link established */
+    link->handle = handle;
+    bt_hci_lmp_link_establish(hci, link, 1);
+
+complete:
+    params.status	= status;
+    params.handle	= HNDL(handle);
+    params.link_type	= ACL_LINK;
+    bacpy(&params.bdaddr, &link->slave->bd_addr);
+    params.encr_mode	= 0x00;		/* Encryption not required */
+    bt_hci_event(hci, EVT_CONN_COMPLETE, &params, EVT_CONN_COMPLETE_SIZE);
+}
+
+static void bt_hci_disconnect(struct bt_hci_s *hci,
+                uint16_t handle, int reason)
+{
+    struct bt_link_s *btlink =
+            hci->lm.handle[handle & ~HCI_HANDLE_OFFSET].link;
+    struct bt_hci_link_s *link;
+    evt_disconn_complete params;
+
+    if (bt_hci_role_master(hci, handle)) {
+        btlink->slave->reject_reason = reason;
+        btlink->slave->lmp_disconnect_slave(btlink);
+        /* The link pointer is invalid from now on */
+
+        goto complete;
+    }
+
+    btlink->host->reject_reason = reason;
+    btlink->host->lmp_disconnect_master(btlink);
+
+    /* We are the slave, we get to clean this burden */
+    link = (struct bt_hci_link_s *) btlink;
+    g_free(link);
+
+complete:
+    bt_hci_lmp_link_teardown(hci, handle);
+
+    params.status	= HCI_SUCCESS;
+    params.handle	= HNDL(handle);
+    params.reason	= HCI_CONNECTION_TERMINATED;
+    bt_hci_event(hci, EVT_DISCONN_COMPLETE,
+                    &params, EVT_DISCONN_COMPLETE_SIZE);
+}
+
+/* TODO: use only one function */
+static void bt_hci_lmp_disconnect_host(struct bt_link_s *link)
+{
+    struct bt_hci_s *hci = hci_from_device(link->host);
+    uint16_t handle = link->handle;
+    evt_disconn_complete params;
+
+    bt_hci_lmp_link_teardown(hci, handle);
+
+    params.status	= HCI_SUCCESS;
+    params.handle	= HNDL(handle);
+    params.reason	= hci->device.reject_reason;
+    bt_hci_event(hci, EVT_DISCONN_COMPLETE,
+                    &params, EVT_DISCONN_COMPLETE_SIZE);
+}
+
+static void bt_hci_lmp_disconnect_slave(struct bt_link_s *btlink)
+{
+    struct bt_hci_link_s *link = (struct bt_hci_link_s *) btlink;
+    struct bt_hci_s *hci = hci_from_device(btlink->slave);
+    uint16_t handle = link->handle;
+    evt_disconn_complete params;
+
+    g_free(link);
+
+    bt_hci_lmp_link_teardown(hci, handle);
+
+    params.status	= HCI_SUCCESS;
+    params.handle	= HNDL(handle);
+    params.reason	= hci->device.reject_reason;
+    bt_hci_event(hci, EVT_DISCONN_COMPLETE,
+                    &params, EVT_DISCONN_COMPLETE_SIZE);
+}
+
+static int bt_hci_name_req(struct bt_hci_s *hci, bdaddr_t *bdaddr)
+{
+    struct bt_device_s *slave;
+    evt_remote_name_req_complete params;
+
+    for (slave = hci->device.net->slave; slave; slave = slave->next)
+        if (slave->page_scan && !bacmp(&slave->bd_addr, bdaddr))
+            break;
+    if (!slave)
+        return -ENODEV;
+
+    bt_hci_event_status(hci, HCI_SUCCESS);
+
+    params.status       = HCI_SUCCESS;
+    bacpy(&params.bdaddr, &slave->bd_addr);
+    pstrcpy(params.name, sizeof(params.name), slave->lmp_name ?: "");
+    bt_hci_event(hci, EVT_REMOTE_NAME_REQ_COMPLETE,
+                    &params, EVT_REMOTE_NAME_REQ_COMPLETE_SIZE);
+
+    return 0;
+}
+
+static int bt_hci_features_req(struct bt_hci_s *hci, uint16_t handle)
+{
+    struct bt_device_s *slave;
+    evt_read_remote_features_complete params;
+
+    if (bt_hci_handle_bad(hci, handle))
+        return -ENODEV;
+
+    slave = bt_hci_remote_dev(hci, handle);
+
+    bt_hci_event_status(hci, HCI_SUCCESS);
+
+    params.status	= HCI_SUCCESS;
+    params.handle	= HNDL(handle);
+    params.features[0]	= (slave->lmp_caps >>  0) & 0xff;
+    params.features[1]	= (slave->lmp_caps >>  8) & 0xff;
+    params.features[2]	= (slave->lmp_caps >> 16) & 0xff;
+    params.features[3]	= (slave->lmp_caps >> 24) & 0xff;
+    params.features[4]	= (slave->lmp_caps >> 32) & 0xff;
+    params.features[5]	= (slave->lmp_caps >> 40) & 0xff;
+    params.features[6]	= (slave->lmp_caps >> 48) & 0xff;
+    params.features[7]	= (slave->lmp_caps >> 56) & 0xff;
+    bt_hci_event(hci, EVT_READ_REMOTE_FEATURES_COMPLETE,
+                    &params, EVT_READ_REMOTE_FEATURES_COMPLETE_SIZE);
+
+    return 0;
+}
+
+static int bt_hci_version_req(struct bt_hci_s *hci, uint16_t handle)
+{
+    evt_read_remote_version_complete params;
+
+    if (bt_hci_handle_bad(hci, handle))
+        return -ENODEV;
+
+    bt_hci_remote_dev(hci, handle);
+
+    bt_hci_event_status(hci, HCI_SUCCESS);
+
+    params.status	= HCI_SUCCESS;
+    params.handle	= HNDL(handle);
+    params.lmp_ver	= 0x03;
+    params.manufacturer	= cpu_to_le16(0xa000);
+    params.lmp_subver	= cpu_to_le16(0xa607);
+    bt_hci_event(hci, EVT_READ_REMOTE_VERSION_COMPLETE,
+                    &params, EVT_READ_REMOTE_VERSION_COMPLETE_SIZE);
+
+    return 0;
+}
+
+static int bt_hci_clkoffset_req(struct bt_hci_s *hci, uint16_t handle)
+{
+    struct bt_device_s *slave;
+    evt_read_clock_offset_complete params;
+
+    if (bt_hci_handle_bad(hci, handle))
+        return -ENODEV;
+
+    slave = bt_hci_remote_dev(hci, handle);
+
+    bt_hci_event_status(hci, HCI_SUCCESS);
+
+    params.status	= HCI_SUCCESS;
+    params.handle	= HNDL(handle);
+    /* TODO: return the clkoff *differenece* */
+    params.clock_offset	= slave->clkoff;	/* Note: no swapping */
+    bt_hci_event(hci, EVT_READ_CLOCK_OFFSET_COMPLETE,
+                    &params, EVT_READ_CLOCK_OFFSET_COMPLETE_SIZE);
+
+    return 0;
+}
+
+static void bt_hci_event_mode(struct bt_hci_s *hci, struct bt_link_s *link,
+                uint16_t handle)
+{
+    evt_mode_change params = {
+        .status		= HCI_SUCCESS,
+        .handle		= HNDL(handle),
+        .mode		= link->acl_mode,
+        .interval	= cpu_to_le16(link->acl_interval),
+    };
+
+    bt_hci_event(hci, EVT_MODE_CHANGE, &params, EVT_MODE_CHANGE_SIZE);
+}
+
+static void bt_hci_lmp_mode_change_master(struct bt_hci_s *hci,
+                struct bt_link_s *link, int mode, uint16_t interval)
+{
+    link->acl_mode = mode;
+    link->acl_interval = interval;
+
+    bt_hci_event_mode(hci, link, link->handle);
+
+    link->slave->lmp_mode_change(link);
+}
+
+static void bt_hci_lmp_mode_change_slave(struct bt_link_s *btlink)
+{
+    struct bt_hci_link_s *link = (struct bt_hci_link_s *) btlink;
+    struct bt_hci_s *hci = hci_from_device(btlink->slave);
+
+    bt_hci_event_mode(hci, btlink, link->handle);
+}
+
+static int bt_hci_mode_change(struct bt_hci_s *hci, uint16_t handle,
+                int interval, int mode)
+{
+    struct bt_hci_master_link_s *link;
+
+    if (bt_hci_handle_bad(hci, handle) || !bt_hci_role_master(hci, handle))
+        return -ENODEV;
+
+    link = &hci->lm.handle[handle & ~HCI_HANDLE_OFFSET];
+    if (link->link->acl_mode != acl_active) {
+        bt_hci_event_status(hci, HCI_COMMAND_DISALLOWED);
+        return 0;
+    }
+
+    bt_hci_event_status(hci, HCI_SUCCESS);
+
+    qemu_mod_timer(link->acl_mode_timer, qemu_get_clock_ns(vm_clock) +
+                   muldiv64(interval * 625, get_ticks_per_sec(), 1000000));
+    bt_hci_lmp_mode_change_master(hci, link->link, mode, interval);
+
+    return 0;
+}
+
+static int bt_hci_mode_cancel(struct bt_hci_s *hci, uint16_t handle, int mode)
+{
+    struct bt_hci_master_link_s *link;
+
+    if (bt_hci_handle_bad(hci, handle) || !bt_hci_role_master(hci, handle))
+        return -ENODEV;
+
+    link = &hci->lm.handle[handle & ~HCI_HANDLE_OFFSET];
+    if (link->link->acl_mode != mode) {
+        bt_hci_event_status(hci, HCI_COMMAND_DISALLOWED);
+
+        return 0;
+    }
+
+    bt_hci_event_status(hci, HCI_SUCCESS);
+
+    qemu_del_timer(link->acl_mode_timer);
+    bt_hci_lmp_mode_change_master(hci, link->link, acl_active, 0);
+
+    return 0;
+}
+
+static void bt_hci_mode_tick(void *opaque)
+{
+    struct bt_link_s *link = opaque;
+    struct bt_hci_s *hci = hci_from_device(link->host);
+
+    bt_hci_lmp_mode_change_master(hci, link, acl_active, 0);
+}
+
+static void bt_hci_reset(struct bt_hci_s *hci)
+{
+    hci->acl_len = 0;
+    hci->last_cmd = 0;
+    hci->lm.connecting = 0;
+
+    hci->event_mask[0] = 0xff;
+    hci->event_mask[1] = 0xff;
+    hci->event_mask[2] = 0xff;
+    hci->event_mask[3] = 0xff;
+    hci->event_mask[4] = 0xff;
+    hci->event_mask[5] = 0x1f;
+    hci->event_mask[6] = 0x00;
+    hci->event_mask[7] = 0x00;
+    hci->device.inquiry_scan = 0;
+    hci->device.page_scan = 0;
+    if (hci->device.lmp_name)
+        g_free((void *) hci->device.lmp_name);
+    hci->device.lmp_name = NULL;
+    hci->device.class[0] = 0x00;
+    hci->device.class[1] = 0x00;
+    hci->device.class[2] = 0x00;
+    hci->voice_setting = 0x0000;
+    hci->conn_accept_tout = 0x1f40;
+    hci->lm.inquiry_mode = 0x00;
+
+    hci->psb_handle = 0x000;
+    hci->asb_handle = 0x000;
+
+    /* XXX: qemu_del_timer(sl->acl_mode_timer); for all links */
+    qemu_del_timer(hci->lm.inquiry_done);
+    qemu_del_timer(hci->lm.inquiry_next);
+    qemu_del_timer(hci->conn_accept_timer);
+}
+
+static void bt_hci_read_local_version_rp(struct bt_hci_s *hci)
+{
+    read_local_version_rp lv = {
+        .status		= HCI_SUCCESS,
+        .hci_ver	= 0x03,
+        .hci_rev	= cpu_to_le16(0xa607),
+        .lmp_ver	= 0x03,
+        .manufacturer	= cpu_to_le16(0xa000),
+        .lmp_subver	= cpu_to_le16(0xa607),
+    };
+
+    bt_hci_event_complete(hci, &lv, READ_LOCAL_VERSION_RP_SIZE);
+}
+
+static void bt_hci_read_local_commands_rp(struct bt_hci_s *hci)
+{
+    read_local_commands_rp lc = {
+        .status		= HCI_SUCCESS,
+        .commands	= {
+            /* Keep updated! */
+            /* Also, keep in sync with hci->device.lmp_caps in bt_new_hci */
+            0xbf, 0x80, 0xf9, 0x03, 0xb2, 0xc0, 0x03, 0xc3,
+            0x00, 0x0f, 0x80, 0x00, 0xc0, 0x00, 0xe8, 0x13,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        },
+    };
+
+    bt_hci_event_complete(hci, &lc, READ_LOCAL_COMMANDS_RP_SIZE);
+}
+
+static void bt_hci_read_local_features_rp(struct bt_hci_s *hci)
+{
+    read_local_features_rp lf = {
+        .status		= HCI_SUCCESS,
+        .features	= {
+            (hci->device.lmp_caps >>  0) & 0xff,
+            (hci->device.lmp_caps >>  8) & 0xff,
+            (hci->device.lmp_caps >> 16) & 0xff,
+            (hci->device.lmp_caps >> 24) & 0xff,
+            (hci->device.lmp_caps >> 32) & 0xff,
+            (hci->device.lmp_caps >> 40) & 0xff,
+            (hci->device.lmp_caps >> 48) & 0xff,
+            (hci->device.lmp_caps >> 56) & 0xff,
+        },
+    };
+
+    bt_hci_event_complete(hci, &lf, READ_LOCAL_FEATURES_RP_SIZE);
+}
+
+static void bt_hci_read_local_ext_features_rp(struct bt_hci_s *hci, int page)
+{
+    read_local_ext_features_rp lef = {
+        .status		= HCI_SUCCESS,
+        .page_num	= page,
+        .max_page_num	= 0x00,
+        .features	= {
+            /* Keep updated! */
+            0x5f, 0x35, 0x85, 0x7e, 0x9b, 0x19, 0x00, 0x80,
+        },
+    };
+    if (page)
+        memset(lef.features, 0, sizeof(lef.features));
+
+    bt_hci_event_complete(hci, &lef, READ_LOCAL_EXT_FEATURES_RP_SIZE);
+}
+
+static void bt_hci_read_buffer_size_rp(struct bt_hci_s *hci)
+{
+    read_buffer_size_rp bs = {
+        /* This can be made configurable, for one standard USB dongle HCI
+         * the four values are cpu_to_le16(0x0180), 0x40,
+         * cpu_to_le16(0x0008), cpu_to_le16(0x0008).  */
+        .status		= HCI_SUCCESS,
+        .acl_mtu	= cpu_to_le16(0x0200),
+        .sco_mtu	= 0,
+        .acl_max_pkt	= cpu_to_le16(0x0001),
+        .sco_max_pkt	= cpu_to_le16(0x0000),
+    };
+
+    bt_hci_event_complete(hci, &bs, READ_BUFFER_SIZE_RP_SIZE);
+}
+
+/* Deprecated in V2.0 (page 661) */
+static void bt_hci_read_country_code_rp(struct bt_hci_s *hci)
+{
+    read_country_code_rp cc ={
+        .status		= HCI_SUCCESS,
+        .country_code	= 0x00,	/* North America & Europe^1 and Japan */
+    };
+
+    bt_hci_event_complete(hci, &cc, READ_COUNTRY_CODE_RP_SIZE);
+
+    /* ^1. Except France, sorry */
+}
+
+static void bt_hci_read_bd_addr_rp(struct bt_hci_s *hci)
+{
+    read_bd_addr_rp ba = {
+        .status = HCI_SUCCESS,
+        .bdaddr = BAINIT(&hci->device.bd_addr),
+    };
+
+    bt_hci_event_complete(hci, &ba, READ_BD_ADDR_RP_SIZE);
+}
+
+static int bt_hci_link_quality_rp(struct bt_hci_s *hci, uint16_t handle)
+{
+    read_link_quality_rp lq = {
+        .status		= HCI_SUCCESS,
+        .handle		= HNDL(handle),
+        .link_quality	= 0xff,
+    };
+
+    if (bt_hci_handle_bad(hci, handle))
+        lq.status = HCI_NO_CONNECTION;
+
+    bt_hci_event_complete(hci, &lq, READ_LINK_QUALITY_RP_SIZE);
+    return 0;
+}
+
+/* Generate a Command Complete event with only the Status parameter */
+static inline void bt_hci_event_complete_status(struct bt_hci_s *hci,
+                uint8_t status)
+{
+    bt_hci_event_complete(hci, &status, 1);
+}
+
+static inline void bt_hci_event_complete_conn_cancel(struct bt_hci_s *hci,
+                uint8_t status, bdaddr_t *bd_addr)
+{
+    create_conn_cancel_rp params = {
+        .status = status,
+        .bdaddr = BAINIT(bd_addr),
+    };
+
+    bt_hci_event_complete(hci, &params, CREATE_CONN_CANCEL_RP_SIZE);
+}
+
+static inline void bt_hci_event_auth_complete(struct bt_hci_s *hci,
+                uint16_t handle)
+{
+    evt_auth_complete params = {
+        .status = HCI_SUCCESS,
+        .handle = HNDL(handle),
+    };
+
+    bt_hci_event(hci, EVT_AUTH_COMPLETE, &params, EVT_AUTH_COMPLETE_SIZE);
+}
+
+static inline void bt_hci_event_encrypt_change(struct bt_hci_s *hci,
+                uint16_t handle, uint8_t mode)
+{
+    evt_encrypt_change params = {
+        .status		= HCI_SUCCESS,
+        .handle		= HNDL(handle),
+        .encrypt	= mode,
+    };
+
+    bt_hci_event(hci, EVT_ENCRYPT_CHANGE, &params, EVT_ENCRYPT_CHANGE_SIZE);
+}
+
+static inline void bt_hci_event_complete_name_cancel(struct bt_hci_s *hci,
+                bdaddr_t *bd_addr)
+{
+    remote_name_req_cancel_rp params = {
+        .status = HCI_INVALID_PARAMETERS,
+        .bdaddr = BAINIT(bd_addr),
+    };
+
+    bt_hci_event_complete(hci, &params, REMOTE_NAME_REQ_CANCEL_RP_SIZE);
+}
+
+static inline void bt_hci_event_read_remote_ext_features(struct bt_hci_s *hci,
+                uint16_t handle)
+{
+    evt_read_remote_ext_features_complete params = {
+        .status = HCI_UNSUPPORTED_FEATURE,
+        .handle = HNDL(handle),
+        /* Rest uninitialised */
+    };
+
+    bt_hci_event(hci, EVT_READ_REMOTE_EXT_FEATURES_COMPLETE,
+                    &params, EVT_READ_REMOTE_EXT_FEATURES_COMPLETE_SIZE);
+}
+
+static inline void bt_hci_event_complete_lmp_handle(struct bt_hci_s *hci,
+                uint16_t handle)
+{
+    read_lmp_handle_rp params = {
+        .status		= HCI_NO_CONNECTION,
+        .handle		= HNDL(handle),
+        .reserved	= 0,
+        /* Rest uninitialised */
+    };
+
+    bt_hci_event_complete(hci, &params, READ_LMP_HANDLE_RP_SIZE);
+}
+
+static inline void bt_hci_event_complete_role_discovery(struct bt_hci_s *hci,
+                int status, uint16_t handle, int master)
+{
+    role_discovery_rp params = {
+        .status		= status,
+        .handle		= HNDL(handle),
+        .role		= master ? 0x00 : 0x01,
+    };
+
+    bt_hci_event_complete(hci, &params, ROLE_DISCOVERY_RP_SIZE);
+}
+
+static inline void bt_hci_event_complete_flush(struct bt_hci_s *hci,
+                int status, uint16_t handle)
+{
+    flush_rp params = {
+        .status		= status,
+        .handle		= HNDL(handle),
+    };
+
+    bt_hci_event_complete(hci, &params, FLUSH_RP_SIZE);
+}
+
+static inline void bt_hci_event_complete_read_local_name(struct bt_hci_s *hci)
+{
+    read_local_name_rp params;
+    params.status = HCI_SUCCESS;
+    memset(params.name, 0, sizeof(params.name));
+    if (hci->device.lmp_name)
+        pstrcpy(params.name, sizeof(params.name), hci->device.lmp_name);
+
+    bt_hci_event_complete(hci, &params, READ_LOCAL_NAME_RP_SIZE);
+}
+
+static inline void bt_hci_event_complete_read_conn_accept_timeout(
+                struct bt_hci_s *hci)
+{
+    read_conn_accept_timeout_rp params = {
+        .status		= HCI_SUCCESS,
+        .timeout	= cpu_to_le16(hci->conn_accept_tout),
+    };
+
+    bt_hci_event_complete(hci, &params, READ_CONN_ACCEPT_TIMEOUT_RP_SIZE);
+}
+
+static inline void bt_hci_event_complete_read_scan_enable(struct bt_hci_s *hci)
+{
+    read_scan_enable_rp params = {
+        .status = HCI_SUCCESS,
+        .enable =
+                (hci->device.inquiry_scan ? SCAN_INQUIRY : 0) |
+                (hci->device.page_scan ? SCAN_PAGE : 0),
+    };
+
+    bt_hci_event_complete(hci, &params, READ_SCAN_ENABLE_RP_SIZE);
+}
+
+static inline void bt_hci_event_complete_read_local_class(struct bt_hci_s *hci)
+{
+    read_class_of_dev_rp params;
+
+    params.status = HCI_SUCCESS;
+    memcpy(params.dev_class, hci->device.class, sizeof(params.dev_class));
+
+    bt_hci_event_complete(hci, &params, READ_CLASS_OF_DEV_RP_SIZE);
+}
+
+static inline void bt_hci_event_complete_voice_setting(struct bt_hci_s *hci)
+{
+    read_voice_setting_rp params = {
+        .status		= HCI_SUCCESS,
+        .voice_setting	= hci->voice_setting,	/* Note: no swapping */
+    };
+
+    bt_hci_event_complete(hci, &params, READ_VOICE_SETTING_RP_SIZE);
+}
+
+static inline void bt_hci_event_complete_read_inquiry_mode(
+                struct bt_hci_s *hci)
+{
+    read_inquiry_mode_rp params = {
+        .status		= HCI_SUCCESS,
+        .mode		= hci->lm.inquiry_mode,
+    };
+
+    bt_hci_event_complete(hci, &params, READ_INQUIRY_MODE_RP_SIZE);
+}
+
+static inline void bt_hci_event_num_comp_pkts(struct bt_hci_s *hci,
+                uint16_t handle, int packets)
+{
+    uint16_t buf[EVT_NUM_COMP_PKTS_SIZE(1) / 2 + 1];
+    evt_num_comp_pkts *params = (void *) ((uint8_t *) buf + 1);
+
+    params->num_hndl			= 1;
+    params->connection->handle		= HNDL(handle);
+    params->connection->num_packets	= cpu_to_le16(packets);
+
+    bt_hci_event(hci, EVT_NUM_COMP_PKTS, params, EVT_NUM_COMP_PKTS_SIZE(1));
+}
+
+static void bt_submit_hci(struct HCIInfo *info,
+                const uint8_t *data, int length)
+{
+    struct bt_hci_s *hci = hci_from_info(info);
+    uint16_t cmd;
+    int paramlen, i;
+
+    if (length < HCI_COMMAND_HDR_SIZE)
+        goto short_hci;
+
+    memcpy(&hci->last_cmd, data, 2);
+
+    cmd = (data[1] << 8) | data[0];
+    paramlen = data[2];
+    if (cmd_opcode_ogf(cmd) == 0 || cmd_opcode_ocf(cmd) == 0)	/* NOP */
+        return;
+
+    data += HCI_COMMAND_HDR_SIZE;
+    length -= HCI_COMMAND_HDR_SIZE;
+
+    if (paramlen > length)
+        return;
+
+#define PARAM(cmd, param)	(((cmd##_cp *) data)->param)
+#define PARAM16(cmd, param)	le16_to_cpup(&PARAM(cmd, param))
+#define PARAMHANDLE(cmd)	HNDL(PARAM(cmd, handle))
+#define LENGTH_CHECK(cmd)	if (length < sizeof(cmd##_cp)) goto short_hci
+    /* Note: the supported commands bitmask in bt_hci_read_local_commands_rp
+     * needs to be updated every time a command is implemented here!  */
+    switch (cmd) {
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_INQUIRY):
+        LENGTH_CHECK(inquiry);
+
+        if (PARAM(inquiry, length) < 1) {
+            bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS);
+            break;
+        }
+
+        hci->lm.inquire = 1;
+        hci->lm.periodic = 0;
+        hci->lm.responses_left = PARAM(inquiry, num_rsp) ?: INT_MAX;
+        hci->lm.responses = 0;
+        bt_hci_event_status(hci, HCI_SUCCESS);
+        bt_hci_inquiry_start(hci, PARAM(inquiry, length));
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_INQUIRY_CANCEL):
+        if (!hci->lm.inquire || hci->lm.periodic) {
+            fprintf(stderr, "%s: Inquiry Cancel should only be issued after "
+                            "the Inquiry command has been issued, a Command "
+                            "Status event has been received for the Inquiry "
+                            "command, and before the Inquiry Complete event "
+                            "occurs", __FUNCTION__);
+            bt_hci_event_complete_status(hci, HCI_COMMAND_DISALLOWED);
+            break;
+        }
+
+        hci->lm.inquire = 0;
+        qemu_del_timer(hci->lm.inquiry_done);
+        bt_hci_event_complete_status(hci, HCI_SUCCESS);
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_PERIODIC_INQUIRY):
+        LENGTH_CHECK(periodic_inquiry);
+
+        if (!(PARAM(periodic_inquiry, length) <
+                                PARAM16(periodic_inquiry, min_period) &&
+                                PARAM16(periodic_inquiry, min_period) <
+                                PARAM16(periodic_inquiry, max_period)) ||
+                        PARAM(periodic_inquiry, length) < 1 ||
+                        PARAM16(periodic_inquiry, min_period) < 2 ||
+                        PARAM16(periodic_inquiry, max_period) < 3) {
+            bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS);
+            break;
+        }
+
+        hci->lm.inquire = 1;
+        hci->lm.periodic = 1;
+        hci->lm.responses_left = PARAM(periodic_inquiry, num_rsp);
+        hci->lm.responses = 0;
+        hci->lm.inquiry_period = PARAM16(periodic_inquiry, max_period);
+        bt_hci_event_complete_status(hci, HCI_SUCCESS);
+        bt_hci_inquiry_start(hci, PARAM(periodic_inquiry, length));
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_EXIT_PERIODIC_INQUIRY):
+        if (!hci->lm.inquire || !hci->lm.periodic) {
+            fprintf(stderr, "%s: Inquiry Cancel should only be issued after "
+                            "the Inquiry command has been issued, a Command "
+                            "Status event has been received for the Inquiry "
+                            "command, and before the Inquiry Complete event "
+                            "occurs", __FUNCTION__);
+            bt_hci_event_complete_status(hci, HCI_COMMAND_DISALLOWED);
+            break;
+        }
+        hci->lm.inquire = 0;
+        qemu_del_timer(hci->lm.inquiry_done);
+        qemu_del_timer(hci->lm.inquiry_next);
+        bt_hci_event_complete_status(hci, HCI_SUCCESS);
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_CREATE_CONN):
+        LENGTH_CHECK(create_conn);
+
+        if (hci->lm.connecting >= HCI_HANDLES_MAX) {
+            bt_hci_event_status(hci, HCI_REJECTED_LIMITED_RESOURCES);
+            break;
+        }
+        bt_hci_event_status(hci, HCI_SUCCESS);
+
+        if (bt_hci_connect(hci, &PARAM(create_conn, bdaddr)))
+            bt_hci_connection_reject_event(hci, &PARAM(create_conn, bdaddr));
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_DISCONNECT):
+        LENGTH_CHECK(disconnect);
+
+        if (bt_hci_handle_bad(hci, PARAMHANDLE(disconnect))) {
+            bt_hci_event_status(hci, HCI_NO_CONNECTION);
+            break;
+        }
+
+        bt_hci_event_status(hci, HCI_SUCCESS);
+        bt_hci_disconnect(hci, PARAMHANDLE(disconnect),
+                        PARAM(disconnect, reason));
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_CREATE_CONN_CANCEL):
+        LENGTH_CHECK(create_conn_cancel);
+
+        if (bt_hci_lmp_connection_ready(hci,
+                                &PARAM(create_conn_cancel, bdaddr))) {
+            for (i = 0; i < HCI_HANDLES_MAX; i ++)
+                if (bt_hci_role_master(hci, i) && hci->lm.handle[i].link &&
+                                !bacmp(&hci->lm.handle[i].link->slave->bd_addr,
+                                        &PARAM(create_conn_cancel, bdaddr)))
+                   break;
+
+            bt_hci_event_complete_conn_cancel(hci, i < HCI_HANDLES_MAX ?
+                            HCI_ACL_CONNECTION_EXISTS : HCI_NO_CONNECTION,
+                            &PARAM(create_conn_cancel, bdaddr));
+        } else
+            bt_hci_event_complete_conn_cancel(hci, HCI_SUCCESS,
+                            &PARAM(create_conn_cancel, bdaddr));
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_ACCEPT_CONN_REQ):
+        LENGTH_CHECK(accept_conn_req);
+
+        if (!hci->conn_req_host ||
+                        bacmp(&PARAM(accept_conn_req, bdaddr),
+                                &hci->conn_req_host->bd_addr)) {
+            bt_hci_event_status(hci, HCI_INVALID_PARAMETERS);
+            break;
+        }
+
+        bt_hci_event_status(hci, HCI_SUCCESS);
+        bt_hci_connection_accept(hci, hci->conn_req_host);
+        hci->conn_req_host = NULL;
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_REJECT_CONN_REQ):
+        LENGTH_CHECK(reject_conn_req);
+
+        if (!hci->conn_req_host ||
+                        bacmp(&PARAM(reject_conn_req, bdaddr),
+                                &hci->conn_req_host->bd_addr)) {
+            bt_hci_event_status(hci, HCI_INVALID_PARAMETERS);
+            break;
+        }
+
+        bt_hci_event_status(hci, HCI_SUCCESS);
+        bt_hci_connection_reject(hci, hci->conn_req_host,
+                        PARAM(reject_conn_req, reason));
+        bt_hci_connection_reject_event(hci, &hci->conn_req_host->bd_addr);
+        hci->conn_req_host = NULL;
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_AUTH_REQUESTED):
+        LENGTH_CHECK(auth_requested);
+
+        if (bt_hci_handle_bad(hci, PARAMHANDLE(auth_requested)))
+            bt_hci_event_status(hci, HCI_NO_CONNECTION);
+        else {
+            bt_hci_event_status(hci, HCI_SUCCESS);
+            bt_hci_event_auth_complete(hci, PARAMHANDLE(auth_requested));
+        }
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_SET_CONN_ENCRYPT):
+        LENGTH_CHECK(set_conn_encrypt);
+
+        if (bt_hci_handle_bad(hci, PARAMHANDLE(set_conn_encrypt)))
+            bt_hci_event_status(hci, HCI_NO_CONNECTION);
+        else {
+            bt_hci_event_status(hci, HCI_SUCCESS);
+            bt_hci_event_encrypt_change(hci,
+                            PARAMHANDLE(set_conn_encrypt),
+                            PARAM(set_conn_encrypt, encrypt));
+        }
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_REMOTE_NAME_REQ):
+        LENGTH_CHECK(remote_name_req);
+
+        if (bt_hci_name_req(hci, &PARAM(remote_name_req, bdaddr)))
+            bt_hci_event_status(hci, HCI_NO_CONNECTION);
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_REMOTE_NAME_REQ_CANCEL):
+        LENGTH_CHECK(remote_name_req_cancel);
+
+        bt_hci_event_complete_name_cancel(hci,
+                        &PARAM(remote_name_req_cancel, bdaddr));
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_REMOTE_FEATURES):
+        LENGTH_CHECK(read_remote_features);
+
+        if (bt_hci_features_req(hci, PARAMHANDLE(read_remote_features)))
+            bt_hci_event_status(hci, HCI_NO_CONNECTION);
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_REMOTE_EXT_FEATURES):
+        LENGTH_CHECK(read_remote_ext_features);
+
+        if (bt_hci_handle_bad(hci, PARAMHANDLE(read_remote_ext_features)))
+            bt_hci_event_status(hci, HCI_NO_CONNECTION);
+        else {
+            bt_hci_event_status(hci, HCI_SUCCESS);
+            bt_hci_event_read_remote_ext_features(hci,
+                            PARAMHANDLE(read_remote_ext_features));
+        }
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_REMOTE_VERSION):
+        LENGTH_CHECK(read_remote_version);
+
+        if (bt_hci_version_req(hci, PARAMHANDLE(read_remote_version)))
+            bt_hci_event_status(hci, HCI_NO_CONNECTION);
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_CLOCK_OFFSET):
+        LENGTH_CHECK(read_clock_offset);
+
+        if (bt_hci_clkoffset_req(hci, PARAMHANDLE(read_clock_offset)))
+            bt_hci_event_status(hci, HCI_NO_CONNECTION);
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_LMP_HANDLE):
+        LENGTH_CHECK(read_lmp_handle);
+
+        /* TODO: */
+        bt_hci_event_complete_lmp_handle(hci, PARAMHANDLE(read_lmp_handle));
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_POLICY, OCF_HOLD_MODE):
+        LENGTH_CHECK(hold_mode);
+
+        if (PARAM16(hold_mode, min_interval) >
+                        PARAM16(hold_mode, max_interval) ||
+                        PARAM16(hold_mode, min_interval) < 0x0002 ||
+                        PARAM16(hold_mode, max_interval) > 0xff00 ||
+                        (PARAM16(hold_mode, min_interval) & 1) ||
+                        (PARAM16(hold_mode, max_interval) & 1)) {
+            bt_hci_event_status(hci, HCI_INVALID_PARAMETERS);
+            break;
+        }
+
+        if (bt_hci_mode_change(hci, PARAMHANDLE(hold_mode),
+                                PARAM16(hold_mode, max_interval),
+                                acl_hold))
+            bt_hci_event_status(hci, HCI_NO_CONNECTION);
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_POLICY, OCF_PARK_MODE):
+        LENGTH_CHECK(park_mode);
+
+        if (PARAM16(park_mode, min_interval) >
+                        PARAM16(park_mode, max_interval) ||
+                        PARAM16(park_mode, min_interval) < 0x000e ||
+                        (PARAM16(park_mode, min_interval) & 1) ||
+                        (PARAM16(park_mode, max_interval) & 1)) {
+            bt_hci_event_status(hci, HCI_INVALID_PARAMETERS);
+            break;
+        }
+
+        if (bt_hci_mode_change(hci, PARAMHANDLE(park_mode),
+                                PARAM16(park_mode, max_interval),
+                                acl_parked))
+            bt_hci_event_status(hci, HCI_NO_CONNECTION);
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_POLICY, OCF_EXIT_PARK_MODE):
+        LENGTH_CHECK(exit_park_mode);
+
+        if (bt_hci_mode_cancel(hci, PARAMHANDLE(exit_park_mode),
+                                acl_parked))
+            bt_hci_event_status(hci, HCI_NO_CONNECTION);
+        break;
+
+    case cmd_opcode_pack(OGF_LINK_POLICY, OCF_ROLE_DISCOVERY):
+        LENGTH_CHECK(role_discovery);
+
+        if (bt_hci_handle_bad(hci, PARAMHANDLE(role_discovery)))
+            bt_hci_event_complete_role_discovery(hci,
+                            HCI_NO_CONNECTION, PARAMHANDLE(role_discovery), 0);
+        else
+            bt_hci_event_complete_role_discovery(hci,
+                            HCI_SUCCESS, PARAMHANDLE(role_discovery),
+                            bt_hci_role_master(hci,
+                                    PARAMHANDLE(role_discovery)));
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_SET_EVENT_MASK):
+        LENGTH_CHECK(set_event_mask);
+
+        memcpy(hci->event_mask, PARAM(set_event_mask, mask), 8);
+        bt_hci_event_complete_status(hci, HCI_SUCCESS);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_RESET):
+        bt_hci_reset(hci);
+        bt_hci_event_status(hci, HCI_SUCCESS);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_SET_EVENT_FLT):
+        if (length >= 1 && PARAM(set_event_flt, flt_type) == FLT_CLEAR_ALL)
+            /* No length check */;
+        else
+            LENGTH_CHECK(set_event_flt);
+
+        /* Filters are not implemented */
+        bt_hci_event_complete_status(hci, HCI_SUCCESS);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_FLUSH):
+        LENGTH_CHECK(flush);
+
+        if (bt_hci_handle_bad(hci, PARAMHANDLE(flush)))
+            bt_hci_event_complete_flush(hci,
+                            HCI_NO_CONNECTION, PARAMHANDLE(flush));
+        else {
+            /* TODO: ordering? */
+            bt_hci_event(hci, EVT_FLUSH_OCCURRED,
+                            &PARAM(flush, handle),
+                            EVT_FLUSH_OCCURRED_SIZE);
+            bt_hci_event_complete_flush(hci,
+                            HCI_SUCCESS, PARAMHANDLE(flush));
+        }
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_CHANGE_LOCAL_NAME):
+        LENGTH_CHECK(change_local_name);
+
+        if (hci->device.lmp_name)
+            g_free((void *) hci->device.lmp_name);
+        hci->device.lmp_name = g_strndup(PARAM(change_local_name, name),
+                        sizeof(PARAM(change_local_name, name)));
+        bt_hci_event_complete_status(hci, HCI_SUCCESS);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_LOCAL_NAME):
+        bt_hci_event_complete_read_local_name(hci);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_CONN_ACCEPT_TIMEOUT):
+        bt_hci_event_complete_read_conn_accept_timeout(hci);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_CONN_ACCEPT_TIMEOUT):
+        /* TODO */
+        LENGTH_CHECK(write_conn_accept_timeout);
+
+        if (PARAM16(write_conn_accept_timeout, timeout) < 0x0001 ||
+                        PARAM16(write_conn_accept_timeout, timeout) > 0xb540) {
+            bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS);
+            break;
+        }
+
+        hci->conn_accept_tout = PARAM16(write_conn_accept_timeout, timeout);
+        bt_hci_event_complete_status(hci, HCI_SUCCESS);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_SCAN_ENABLE):
+        bt_hci_event_complete_read_scan_enable(hci);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_SCAN_ENABLE):
+        LENGTH_CHECK(write_scan_enable);
+
+        /* TODO: check that the remaining bits are all 0 */
+        hci->device.inquiry_scan =
+                !!(PARAM(write_scan_enable, scan_enable) & SCAN_INQUIRY);
+        hci->device.page_scan =
+                !!(PARAM(write_scan_enable, scan_enable) & SCAN_PAGE);
+        bt_hci_event_complete_status(hci, HCI_SUCCESS);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_CLASS_OF_DEV):
+        bt_hci_event_complete_read_local_class(hci);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_CLASS_OF_DEV):
+        LENGTH_CHECK(write_class_of_dev);
+
+        memcpy(hci->device.class, PARAM(write_class_of_dev, dev_class),
+                        sizeof(PARAM(write_class_of_dev, dev_class)));
+        bt_hci_event_complete_status(hci, HCI_SUCCESS);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_VOICE_SETTING):
+        bt_hci_event_complete_voice_setting(hci);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_VOICE_SETTING):
+        LENGTH_CHECK(write_voice_setting);
+
+        hci->voice_setting = PARAM(write_voice_setting, voice_setting);
+        bt_hci_event_complete_status(hci, HCI_SUCCESS);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_HOST_NUMBER_OF_COMPLETED_PACKETS):
+        if (length < data[0] * 2 + 1)
+            goto short_hci;
+
+        for (i = 0; i < data[0]; i ++)
+            if (bt_hci_handle_bad(hci,
+                                    data[i * 2 + 1] | (data[i * 2 + 2] << 8)))
+                bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_INQUIRY_MODE):
+        /* Only if (local_features[3] & 0x40) && (local_commands[12] & 0x40)
+         * else
+         *     goto unknown_command */
+        bt_hci_event_complete_read_inquiry_mode(hci);
+        break;
+
+    case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_INQUIRY_MODE):
+        /* Only if (local_features[3] & 0x40) && (local_commands[12] & 0x80)
+         * else
+         *     goto unknown_command */
+        LENGTH_CHECK(write_inquiry_mode);
+
+        if (PARAM(write_inquiry_mode, mode) > 0x01) {
+            bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS);
+            break;
+        }
+
+        hci->lm.inquiry_mode = PARAM(write_inquiry_mode, mode);
+        bt_hci_event_complete_status(hci, HCI_SUCCESS);
+        break;
+
+    case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_VERSION):
+        bt_hci_read_local_version_rp(hci);
+        break;
+
+    case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_COMMANDS):
+        bt_hci_read_local_commands_rp(hci);
+        break;
+
+    case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_FEATURES):
+        bt_hci_read_local_features_rp(hci);
+        break;
+
+    case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_EXT_FEATURES):
+        LENGTH_CHECK(read_local_ext_features);
+
+        bt_hci_read_local_ext_features_rp(hci,
+                        PARAM(read_local_ext_features, page_num));
+        break;
+
+    case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_BUFFER_SIZE):
+        bt_hci_read_buffer_size_rp(hci);
+        break;
+
+    case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_COUNTRY_CODE):
+        bt_hci_read_country_code_rp(hci);
+        break;
+
+    case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_BD_ADDR):
+        bt_hci_read_bd_addr_rp(hci);
+        break;
+
+    case cmd_opcode_pack(OGF_STATUS_PARAM, OCF_READ_LINK_QUALITY):
+        LENGTH_CHECK(read_link_quality);
+
+        bt_hci_link_quality_rp(hci, PARAMHANDLE(read_link_quality));
+        break;
+
+    default:
+        bt_hci_event_status(hci, HCI_UNKNOWN_COMMAND);
+        break;
+
+    short_hci:
+        fprintf(stderr, "%s: HCI packet too short (%iB)\n",
+                        __FUNCTION__, length);
+        bt_hci_event_status(hci, HCI_INVALID_PARAMETERS);
+        break;
+    }
+}
+
+/* We could perform fragmentation here, we can't do "recombination" because
+ * at this layer the length of the payload is not know ahead, so we only
+ * know that a packet contained the last fragment of the SDU when the next
+ * SDU starts.  */
+static inline void bt_hci_lmp_acl_data(struct bt_hci_s *hci, uint16_t handle,
+                const uint8_t *data, int start, int len)
+{
+    struct hci_acl_hdr *pkt = (void *) hci->acl_buf;
+
+    /* TODO: packet flags */
+    /* TODO: avoid memcpy'ing */
+
+    if (len + HCI_ACL_HDR_SIZE > sizeof(hci->acl_buf)) {
+        fprintf(stderr, "%s: can't take ACL packets %i bytes long\n",
+                        __FUNCTION__, len);
+        return;
+    }
+    memcpy(hci->acl_buf + HCI_ACL_HDR_SIZE, data, len);
+
+    pkt->handle = cpu_to_le16(
+                    acl_handle_pack(handle, start ? ACL_START : ACL_CONT));
+    pkt->dlen = cpu_to_le16(len);
+    hci->info.acl_recv(hci->info.opaque,
+                    hci->acl_buf, len + HCI_ACL_HDR_SIZE);
+}
+
+static void bt_hci_lmp_acl_data_slave(struct bt_link_s *btlink,
+                const uint8_t *data, int start, int len)
+{
+    struct bt_hci_link_s *link = (struct bt_hci_link_s *) btlink;
+
+    bt_hci_lmp_acl_data(hci_from_device(btlink->slave),
+                    link->handle, data, start, len);
+}
+
+static void bt_hci_lmp_acl_data_host(struct bt_link_s *link,
+                const uint8_t *data, int start, int len)
+{
+    bt_hci_lmp_acl_data(hci_from_device(link->host),
+                    link->handle, data, start, len);
+}
+
+static void bt_submit_acl(struct HCIInfo *info,
+                const uint8_t *data, int length)
+{
+    struct bt_hci_s *hci = hci_from_info(info);
+    uint16_t handle;
+    int datalen, flags;
+    struct bt_link_s *link;
+
+    if (length < HCI_ACL_HDR_SIZE) {
+        fprintf(stderr, "%s: ACL packet too short (%iB)\n",
+                        __FUNCTION__, length);
+        return;
+    }
+
+    handle = acl_handle((data[1] << 8) | data[0]);
+    flags = acl_flags((data[1] << 8) | data[0]);
+    datalen = (data[3] << 8) | data[2];
+    data += HCI_ACL_HDR_SIZE;
+    length -= HCI_ACL_HDR_SIZE;
+
+    if (bt_hci_handle_bad(hci, handle)) {
+        fprintf(stderr, "%s: invalid ACL handle %03x\n",
+                        __FUNCTION__, handle);
+        /* TODO: signal an error */
+        return;
+    }
+    handle &= ~HCI_HANDLE_OFFSET;
+
+    if (datalen > length) {
+        fprintf(stderr, "%s: ACL packet too short (%iB < %iB)\n",
+                        __FUNCTION__, length, datalen);
+        return;
+    }
+
+    link = hci->lm.handle[handle].link;
+
+    if ((flags & ~3) == ACL_ACTIVE_BCAST) {
+        if (!hci->asb_handle)
+            hci->asb_handle = handle;
+        else if (handle != hci->asb_handle) {
+            fprintf(stderr, "%s: Bad handle %03x in Active Slave Broadcast\n",
+                            __FUNCTION__, handle);
+            /* TODO: signal an error */
+            return;
+        }
+
+        /* TODO */
+    }
+
+    if ((flags & ~3) == ACL_PICO_BCAST) {
+        if (!hci->psb_handle)
+            hci->psb_handle = handle;
+        else if (handle != hci->psb_handle) {
+            fprintf(stderr, "%s: Bad handle %03x in Parked Slave Broadcast\n",
+                            __FUNCTION__, handle);
+            /* TODO: signal an error */
+            return;
+        }
+
+        /* TODO */
+    }
+
+    /* TODO: increase counter and send EVT_NUM_COMP_PKTS */
+    bt_hci_event_num_comp_pkts(hci, handle | HCI_HANDLE_OFFSET, 1);
+
+    /* Do this last as it can trigger further events even in this HCI */
+    hci->lm.handle[handle].lmp_acl_data(link, data,
+                    (flags & 3) == ACL_START, length);
+}
+
+static void bt_submit_sco(struct HCIInfo *info,
+                const uint8_t *data, int length)
+{
+    struct bt_hci_s *hci = hci_from_info(info);
+    uint16_t handle;
+    int datalen;
+
+    if (length < 3)
+        return;
+
+    handle = acl_handle((data[1] << 8) | data[0]);
+    datalen = data[2];
+    length -= 3;
+
+    if (bt_hci_handle_bad(hci, handle)) {
+        fprintf(stderr, "%s: invalid SCO handle %03x\n",
+                        __FUNCTION__, handle);
+        return;
+    }
+
+    if (datalen > length) {
+        fprintf(stderr, "%s: SCO packet too short (%iB < %iB)\n",
+                        __FUNCTION__, length, datalen);
+        return;
+    }
+
+    /* TODO */
+
+    /* TODO: increase counter and send EVT_NUM_COMP_PKTS if synchronous
+     * Flow Control is enabled.
+     * (See Read/Write_Synchronous_Flow_Control_Enable on page 513 and
+     * page 514.)  */
+}
+
+static uint8_t *bt_hci_evt_packet(void *opaque)
+{
+    /* TODO: allocate a packet from upper layer */
+    struct bt_hci_s *s = opaque;
+
+    return s->evt_buf;
+}
+
+static void bt_hci_evt_submit(void *opaque, int len)
+{
+    /* TODO: notify upper layer */
+    struct bt_hci_s *s = opaque;
+
+    s->info.evt_recv(s->info.opaque, s->evt_buf, len);
+}
+
+static int bt_hci_bdaddr_set(struct HCIInfo *info, const uint8_t *bd_addr)
+{
+    struct bt_hci_s *hci = hci_from_info(info);
+
+    bacpy(&hci->device.bd_addr, (const bdaddr_t *) bd_addr);
+    return 0;
+}
+
+static void bt_hci_done(struct HCIInfo *info);
+static void bt_hci_destroy(struct bt_device_s *dev)
+{
+    struct bt_hci_s *hci = hci_from_device(dev);
+
+    bt_hci_done(&hci->info);
+}
+
+struct HCIInfo *bt_new_hci(struct bt_scatternet_s *net)
+{
+    struct bt_hci_s *s = g_malloc0(sizeof(struct bt_hci_s));
+
+    s->lm.inquiry_done = qemu_new_timer_ns(vm_clock, bt_hci_inquiry_done, s);
+    s->lm.inquiry_next = qemu_new_timer_ns(vm_clock, bt_hci_inquiry_next, s);
+    s->conn_accept_timer =
+            qemu_new_timer_ns(vm_clock, bt_hci_conn_accept_timeout, s);
+
+    s->evt_packet = bt_hci_evt_packet;
+    s->evt_submit = bt_hci_evt_submit;
+    s->opaque = s;
+
+    bt_device_init(&s->device, net);
+    s->device.lmp_connection_request = bt_hci_lmp_connection_request;
+    s->device.lmp_connection_complete = bt_hci_lmp_connection_complete;
+    s->device.lmp_disconnect_master = bt_hci_lmp_disconnect_host;
+    s->device.lmp_disconnect_slave = bt_hci_lmp_disconnect_slave;
+    s->device.lmp_acl_data = bt_hci_lmp_acl_data_slave;
+    s->device.lmp_acl_resp = bt_hci_lmp_acl_data_host;
+    s->device.lmp_mode_change = bt_hci_lmp_mode_change_slave;
+
+    /* Keep updated! */
+    /* Also keep in sync with supported commands bitmask in
+     * bt_hci_read_local_commands_rp */
+    s->device.lmp_caps = 0x8000199b7e85355fll;
+
+    bt_hci_reset(s);
+
+    s->info.cmd_send = bt_submit_hci;
+    s->info.sco_send = bt_submit_sco;
+    s->info.acl_send = bt_submit_acl;
+    s->info.bdaddr_set = bt_hci_bdaddr_set;
+
+    s->device.handle_destroy = bt_hci_destroy;
+
+    return &s->info;
+}
+
+static void bt_hci_done(struct HCIInfo *info)
+{
+    struct bt_hci_s *hci = hci_from_info(info);
+    int handle;
+
+    bt_device_done(&hci->device);
+
+    if (hci->device.lmp_name)
+        g_free((void *) hci->device.lmp_name);
+
+    /* Be gentle and send DISCONNECT to all connected peers and those
+     * currently waiting for us to accept or reject a connection request.
+     * This frees the links.  */
+    if (hci->conn_req_host) {
+        bt_hci_connection_reject(hci,
+                                 hci->conn_req_host, HCI_OE_POWER_OFF);
+        return;
+    }
+
+    for (handle = HCI_HANDLE_OFFSET;
+                    handle < (HCI_HANDLE_OFFSET | HCI_HANDLES_MAX); handle ++)
+        if (!bt_hci_handle_bad(hci, handle))
+            bt_hci_disconnect(hci, handle, HCI_OE_POWER_OFF);
+
+    /* TODO: this is not enough actually, there may be slaves from whom
+     * we have requested a connection who will soon (or not) respond with
+     * an accept or a reject, so we should also check if hci->lm.connecting
+     * is non-zero and if so, avoid freeing the hci but otherwise disappear
+     * from all qemu social life (e.g. stop scanning and request to be
+     * removed from s->device.net) and arrange for
+     * s->device.lmp_connection_complete to free the remaining bits once
+     * hci->lm.awaiting_bdaddr[] is empty.  */
+
+    qemu_free_timer(hci->lm.inquiry_done);
+    qemu_free_timer(hci->lm.inquiry_next);
+    qemu_free_timer(hci->conn_accept_timer);
+
+    g_free(hci);
+}