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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>
This commit is contained in:
Mark Cave-Ayland 2020-10-27 15:04:52 +00:00 committed by Gerd Hoffmann
parent ebb1132023
commit 655ec806c8
2 changed files with 5 additions and 0 deletions
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3
hw/usb/dev-serial.c
View File

@ -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;

2
hw/usb/trace-events
View File

@ -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"