char: rename qemu_chr_write() -> qemu_chr_fe_write()

[qemu.git] / hw / usb-serial.c

diff --git a/hw/usb-serial.c b/hw/usb-serial.c
index 6763d520405df5f0154ef1a7f91ab74b4b02dbae..8ed0fa6a3b40f3fe11b9c0fc914107e302be8156 100644 (file)
--- a/hw/usb-serial.c
+++ b/hw/usb-serial.c
@@ -5,7 +5,7 @@
  * Copyright (c) 2008 Samuel Thibault <samuel.thibault@ens-lyon.org>
  * Written by Paul Brook, reused for FTDI by Samuel Thibault
  *
- * This code is licenced under the LGPL.
+ * This code is licensed under the LGPL.
  */
 
 #include "qemu-common.h"
@@ -146,6 +146,7 @@ static const USBDescDevice desc_device = {
             .bConfigurationValue   = 1,
             .bmAttributes          = 0x80,
             .bMaxPower             = 50,
+            .nif = 1,
             .ifs = &desc_iface0,
         },
     },
@@ -218,14 +219,14 @@ static uint8_t usb_get_modem_lines(USBSerialState *s)
     return ret;
 }
 
-static int usb_serial_handle_control(USBDevice *dev, int request, int value,
-                                  int index, int length, uint8_t *data)
+static int usb_serial_handle_control(USBDevice *dev, USBPacket *p,
+               int request, int value, int index, int length, uint8_t *data)
 {
     USBSerialState *s = (USBSerialState *)dev;
     int ret;
 
     DPRINTF("got control %x, value %x\n",request, value);
-    ret = usb_desc_handle_control(dev, request, value, index, length, data);
+    ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
     if (ret >= 0) {
         return ret;
     }
@@ -358,37 +359,42 @@ static int usb_serial_handle_control(USBDevice *dev, int request, int value,
 static int usb_serial_handle_data(USBDevice *dev, USBPacket *p)
 {
     USBSerialState *s = (USBSerialState *)dev;
-    int ret = 0;
+    int i, ret = 0;
     uint8_t devep = p->devep;
-    uint8_t *data = p->data;
-    int len = p->len;
-    int first_len;
+    struct iovec *iov;
+    uint8_t header[2];
+    int first_len, len;
 
     switch (p->pid) {
     case USB_TOKEN_OUT:
         if (devep != 2)
             goto fail;
-        qemu_chr_write(s->cs, data, len);
+        for (i = 0; i < p->iov.niov; i++) {
+            iov = p->iov.iov + i;
+            qemu_chr_fe_write(s->cs, iov->iov_base, iov->iov_len);
+        }
         break;
 
     case USB_TOKEN_IN:
         if (devep != 1)
             goto fail;
         first_len = RECV_BUF - s->recv_ptr;
+        len = p->iov.size;
         if (len <= 2) {
             ret = USB_RET_NAK;
             break;
         }
-        *data++ = usb_get_modem_lines(s) | 1;
+        header[0] = usb_get_modem_lines(s) | 1;
         /* We do not have the uart details */
         /* handle serial break */
         if (s->event_trigger && s->event_trigger & FTDI_BI) {
             s->event_trigger &= ~FTDI_BI;
-            *data = FTDI_BI;
+            header[1] = FTDI_BI;
+            usb_packet_copy(p, header, 2);
             ret = 2;
             break;
         } else {
-            *data++ = 0;
+            header[1] = 0;
         }
         len -= 2;
         if (len > s->recv_used)
@@ -399,9 +405,10 @@ static int usb_serial_handle_data(USBDevice *dev, USBPacket *p)
         }
         if (first_len > len)
             first_len = len;
-        memcpy(data, s->recv_buf + s->recv_ptr, first_len);
+        usb_packet_copy(p, header, 2);
+        usb_packet_copy(p, s->recv_buf + s->recv_ptr, first_len);
         if (len > first_len)
-            memcpy(data + first_len, s->recv_buf, len - first_len);
+            usb_packet_copy(p, s->recv_buf, len - first_len);
         s->recv_used -= len;
         s->recv_ptr = (s->recv_ptr + len) % RECV_BUF;
         ret = len + 2;
@@ -565,10 +572,16 @@ static USBDevice *usb_braille_init(const char *unused)
     return dev;
 }
 
+static const VMStateDescription vmstate_usb_serial = {
+    .name = "usb-serial",
+    .unmigratable = 1,
+};
+
 static struct USBDeviceInfo serial_info = {
     .product_desc   = "QEMU USB Serial",
     .qdev.name      = "usb-serial",
     .qdev.size      = sizeof(USBSerialState),
+    .qdev.vmsd      = &vmstate_usb_serial,
     .usb_desc       = &desc_serial,
     .init           = usb_serial_initfn,
     .handle_packet  = usb_generic_handle_packet,
@@ -588,6 +601,7 @@ static struct USBDeviceInfo braille_info = {
     .product_desc   = "QEMU USB Braille",
     .qdev.name      = "usb-braille",
     .qdev.size      = sizeof(USBSerialState),
+    .qdev.vmsd      = &vmstate_usb_serial,
     .usb_desc       = &desc_braille,
     .init           = usb_serial_initfn,
     .handle_packet  = usb_generic_handle_packet,