dev-serial: add trace-events for baud rate and data parameters

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20201027150456.24606-5-mark.cave-ayland@ilande.co.uk
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c
index abc316c7bf1ff0057fb606db965691f70e429940..badf8785db46921853fd13f4aa1b12aa84590526 100644 (file)
--- a/hw/usb/dev-serial.c
+++ b/hw/usb/dev-serial.c
@@ -307,6 +307,7 @@ static void usb_serial_handle_control(USBDevice *dev, USBPacket *p,
         }
 
         s->params.speed = (48000000 / 2) / (8 * divisor + subdivisor8);
+        trace_usb_serial_set_baud(bus->busnr, dev->addr, s->params.speed);
         qemu_chr_fe_ioctl(&s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params);
         break;
     }
@@ -340,6 +341,8 @@ static void usb_serial_handle_control(USBDevice *dev, USBPacket *p,
             goto fail;
         }
 
+        trace_usb_serial_set_data(bus->busnr, dev->addr, s->params.parity,
+                                  s->params.data_bits, s->params.stop_bits);
         qemu_chr_fe_ioctl(&s->cs, CHR_IOCTL_SERIAL_SET_PARAMS, &s->params);
         /* TODO: TX ON/OFF */
         break;

diff --git a/hw/usb/trace-events b/hw/usb/trace-events
index 89f1c351e3390812273130083c522de662b1d4c5..98ee1c54627d671e84eef4902b5141b4434a8d4f 100644 (file)
--- a/hw/usb/trace-events
+++ b/hw/usb/trace-events
@@ -328,3 +328,5 @@ usb_serial_unsupported_parity(int bus, int addr, int value) "dev %d:%u unsupport
 usb_serial_unsupported_stopbits(int bus, int addr, int value) "dev %d:%u unsupported stop bits %d"
 usb_serial_unsupported_control(int bus, int addr, int request, int value) "dev %d:%u got unsupported/bogus control 0x%x, value 0x%x"
 usb_serial_bad_token(int bus, int addr) "dev %d:%u bad token"
+usb_serial_set_baud(int bus, int addr, int baud) "dev %d:%u baud rate %d"
+usb_serial_set_data(int bus, int addr, int parity, int data, int stop) "dev %d:%u parity %c, data bits %d, stop bits %d"