From patchwork Tue Oct 27 15:04:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mark Cave-Ayland X-Patchwork-Id: 301811 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 44BB5C55178 for ; Tue, 27 Oct 2020 15:22:14 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AEB4A20728 for ; Tue, 27 Oct 2020 15:22:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AEB4A20728 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ilande.co.uk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33960 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kXQnc-0005Kr-Kh for qemu-devel@archiver.kernel.org; Tue, 27 Oct 2020 11:22:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54822) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kXQXO-0001ho-43 for qemu-devel@nongnu.org; Tue, 27 Oct 2020 11:05:26 -0400 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]:50284 helo=mail.default.ilande.uk0.bigv.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kXQXM-00060T-3H for qemu-devel@nongnu.org; Tue, 27 Oct 2020 11:05:25 -0400 Received: from host86-148-103-79.range86-148.btcentralplus.com ([86.148.103.79] helo=kentang.home) by mail.default.ilande.uk0.bigv.io with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kXQXO-0001Qg-U6; Tue, 27 Oct 2020 15:05:32 +0000 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, kraxel@redhat.com, samuel.thibault@ens-lyon.org Date: Tue, 27 Oct 2020 15:04:51 +0000 Message-Id: <20201027150456.24606-4-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201027150456.24606-1-mark.cave-ayland@ilande.co.uk> References: <20201027150456.24606-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 86.148.103.79 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH v2 3/8] dev-serial: convert from DPRINTF to trace-events X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.default.ilande.uk0.bigv.io) Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.default.ilande.uk0.bigv.io X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Mark Cave-Ayland Reviewed-by: Samuel Thibault Reviewed-by: Philippe Mathieu-Daudé --- hw/usb/dev-serial.c | 28 ++++++++++++++-------------- hw/usb/trace-events | 8 ++++++++ 2 files changed, 22 insertions(+), 14 deletions(-) diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c index 77ce89d38b..abc316c7bf 100644 --- a/hw/usb/dev-serial.c +++ b/hw/usb/dev-serial.c @@ -20,15 +20,8 @@ #include "chardev/char-serial.h" #include "chardev/char-fe.h" #include "qom/object.h" +#include "trace.h" -//#define DEBUG_Serial - -#ifdef DEBUG_Serial -#define DPRINTF(fmt, ...) \ -do { printf("usb-serial: " fmt , ## __VA_ARGS__); } while (0) -#else -#define DPRINTF(fmt, ...) do {} while(0) -#endif #define RECV_BUF (512 - (2 * 8)) @@ -205,8 +198,9 @@ static void usb_serial_reset(USBSerialState *s) static void usb_serial_handle_reset(USBDevice *dev) { USBSerialState *s = USB_SERIAL(dev); + USBBus *bus = usb_bus_from_device(dev); - DPRINTF("Reset\n"); + trace_usb_serial_reset(bus->busnr, dev->addr); usb_serial_reset(s); /* TODO: Reset char device, send BREAK? */ @@ -244,9 +238,11 @@ static void usb_serial_handle_control(USBDevice *dev, USBPacket *p, int length, uint8_t *data) { USBSerialState *s = USB_SERIAL(dev); + USBBus *bus = usb_bus_from_device(dev); int ret; - DPRINTF("got control %x, value %x\n", request, value); + trace_usb_serial_handle_control(bus->busnr, dev->addr, request, value); + ret = usb_desc_handle_control(dev, p, request, value, index, length, data); if (ret >= 0) { return; @@ -326,7 +322,8 @@ static void usb_serial_handle_control(USBDevice *dev, USBPacket *p, s->params.parity = 'E'; break; default: - DPRINTF("unsupported parity %d\n", value & FTDI_PARITY); + trace_usb_serial_unsupported_parity(bus->busnr, dev->addr, + value & FTDI_PARITY); goto fail; } @@ -338,7 +335,8 @@ static void usb_serial_handle_control(USBDevice *dev, USBPacket *p, s->params.stop_bits = 2; break; default: - DPRINTF("unsupported stop bits %d\n", value & FTDI_STOP); + trace_usb_serial_unsupported_stopbits(bus->busnr, dev->addr, + value & FTDI_STOP); goto fail; } @@ -367,7 +365,8 @@ static void usb_serial_handle_control(USBDevice *dev, USBPacket *p, break; default: fail: - DPRINTF("got unsupported/bogus control %x, value %x\n", request, value); + trace_usb_serial_unsupported_control(bus->busnr, dev->addr, request, + value); p->status = USB_RET_STALL; break; } @@ -431,6 +430,7 @@ static void usb_serial_token_in(USBSerialState *s, USBPacket *p) static void usb_serial_handle_data(USBDevice *dev, USBPacket *p) { USBSerialState *s = USB_SERIAL(dev); + USBBus *bus = usb_bus_from_device(dev); uint8_t devep = p->ep->nr; struct iovec *iov; int i; @@ -459,7 +459,7 @@ static void usb_serial_handle_data(USBDevice *dev, USBPacket *p) break; default: - DPRINTF("Bad token\n"); + trace_usb_serial_bad_token(bus->busnr, dev->addr); fail: p->status = USB_RET_STALL; break; diff --git a/hw/usb/trace-events b/hw/usb/trace-events index 72e4298780..89f1c351e3 100644 --- a/hw/usb/trace-events +++ b/hw/usb/trace-events @@ -320,3 +320,11 @@ usb_host_parse_interface(int bus, int addr, int num, int alt, int active) "dev % usb_host_parse_endpoint(int bus, int addr, int ep, const char *dir, const char *type, int active) "dev %d:%d, ep %d, %s, %s, active %d" usb_host_parse_error(int bus, int addr, const char *errmsg) "dev %d:%d, msg %s" usb_host_remote_wakeup_removed(int bus, int addr) "dev %d:%d" + +# dev-serial.c +usb_serial_reset(int bus, int addr) "dev %d:%u reset" +usb_serial_handle_control(int bus, int addr, int request, int value) "dev %d:%u got control 0x%x, value 0x%x" +usb_serial_unsupported_parity(int bus, int addr, int value) "dev %d:%u unsupported parity %d" +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"