Merge tag 'pull-aspeed-20240201' of https://github.com/legoater/qemu into staging

[mirror_qemu.git] / bt-vhci.c

diff --git a/bt-vhci.c b/bt-vhci.c
deleted file mode 100644 (file)
index 3c57720..0000000
--- a/bt-vhci.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * Support for host VHCIs inside qemu scatternets.
- *
- * 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 "qemu-char.h"
-#include "net.h"
-#include "hw/bt.h"
-
-#define VHCI_DEV       "/dev/vhci"
-#define VHCI_UDEV      "/dev/hci_vhci"
-
-struct bt_vhci_s {
-    int fd;
-    struct HCIInfo *info;
-
-    uint8_t hdr[4096];
-    int len;
-};
-
-static void vhci_read(void *opaque)
-{
-    struct bt_vhci_s *s = (struct bt_vhci_s *) opaque;
-    uint8_t *pkt;
-    int pktlen;
-
-    /* Seems that we can't read only the header first and then the amount
-     * of data indicated in the header because Linux will discard everything
-     * that's not been read in one go.  */
-    s->len = read(s->fd, s->hdr, sizeof(s->hdr));
-
-    if (s->len < 0) {
-        fprintf(stderr, "qemu: error %i reading the PDU\n", errno);
-        return;
-    }
-
-    pkt = s->hdr;
-    while (s->len --)
-        switch (*pkt ++) {
-        case HCI_COMMAND_PKT:
-            if (s->len < 3)
-                goto bad_pkt;
-
-            pktlen = MIN(pkt[2] + 3, s->len);
-            s->info->cmd_send(s->info, pkt, pktlen);
-            s->len -= pktlen;
-            pkt += pktlen;
-            break;
-
-        case HCI_ACLDATA_PKT:
-            if (s->len < 4)
-                goto bad_pkt;
-
-            pktlen = MIN(((pkt[3] << 8) | pkt[2]) + 4, s->len);
-            s->info->acl_send(s->info, pkt, pktlen);
-            s->len -= pktlen;
-            pkt += pktlen;
-            break;
-
-        case HCI_SCODATA_PKT:
-            if (s->len < 3)
-                goto bad_pkt;
-
-            pktlen = MIN(pkt[2] + 3, s->len);
-            s->info->sco_send(s->info, pkt, pktlen);
-            s->len -= pktlen;
-            pkt += pktlen;
-            break;
-
-        default:
-        bad_pkt:
-            fprintf(stderr, "qemu: bad HCI packet type %02x\n", pkt[-1]);
-        }
-}
-
-static void vhci_host_send(void *opaque,
-                int type, const uint8_t *data, int len)
-{
-    struct bt_vhci_s *s = (struct bt_vhci_s *) opaque;
-#if 0
-    uint8_t pkt = type;
-    struct iovec iv[2];
-
-    iv[0].iov_base = &pkt;
-    iv[0].iov_len  = 1;
-    iv[1].iov_base = (void *) data;
-    iv[1].iov_len  = len;
-
-    while (writev(s->fd, iv, 2) < 0)
-        if (errno != EAGAIN && errno != EINTR) {
-            fprintf(stderr, "qemu: error %i writing bluetooth packet.\n",
-                            errno);
-            return;
-        }
-#else
-    /* Apparently VHCI wants us to write everything in one chunk :-(  */
-    static uint8_t buf[4096];
-
-    buf[0] = type;
-    memcpy(buf + 1, data, len);
-
-    while (write(s->fd, buf, len + 1) < 0)
-        if (errno != EAGAIN && errno != EINTR) {
-            fprintf(stderr, "qemu: error %i writing bluetooth packet.\n",
-                            errno);
-            return;
-        }
-#endif
-}
-
-static void vhci_out_hci_packet_event(void *opaque,
-                const uint8_t *data, int len)
-{
-    vhci_host_send(opaque, HCI_EVENT_PKT, data, len);
-}
-
-static void vhci_out_hci_packet_acl(void *opaque,
-                const uint8_t *data, int len)
-{
-    vhci_host_send(opaque, HCI_ACLDATA_PKT, data, len);
-}
-
-void bt_vhci_init(struct HCIInfo *info)
-{
-    struct bt_vhci_s *s;
-    int err[2];
-    int fd;
-
-    fd = open(VHCI_DEV, O_RDWR);
-    err[0] = errno;
-    if (fd < 0) {
-        fd = open(VHCI_UDEV, O_RDWR);
-        err[1] = errno;
-    }
-
-    if (fd < 0) {
-        fprintf(stderr, "qemu: Can't open `%s': %s (%i)\n",
-                        VHCI_DEV, strerror(err[0]), err[0]);
-        fprintf(stderr, "qemu: Can't open `%s': %s (%i)\n",
-                        VHCI_UDEV, strerror(err[1]), err[1]);
-        exit(-1);
-    }
-
-    s = qemu_mallocz(sizeof(struct bt_vhci_s));
-    s->fd = fd;
-    s->info = info ?: qemu_next_hci();
-    s->info->opaque = s;
-    s->info->evt_recv = vhci_out_hci_packet_event;
-    s->info->acl_recv = vhci_out_hci_packet_acl;
-
-    qemu_set_fd_handler(s->fd, vhci_read, NULL, s);
-}