From mboxrd@z Thu Jan 1 00:00:00 1970 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=-13.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 18F3AC433E8 for ; Sat, 25 Jul 2020 04:22:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E338E206EB for ; Sat, 25 Jul 2020 04:22:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JwI82ij8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727044AbgGYEWo (ORCPT ); Sat, 25 Jul 2020 00:22:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725766AbgGYEWo (ORCPT ); Sat, 25 Jul 2020 00:22:44 -0400 Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0DE29C0619D3; Fri, 24 Jul 2020 21:22:44 -0700 (PDT) Received: by mail-pl1-x642.google.com with SMTP id o1so5618374plk.1; Fri, 24 Jul 2020 21:22:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=D5dwObkdfQAjj7DsDs+uymwChxAz22Q1echVt2wc+qY=; b=JwI82ij8d6GENw5xjZ79A9Tv9X6ixIkEB1SeTsfD9wOi3xIFjOLaeALFX523MEjkvf WFQv0g5SgErmd5qVHhxNvSLTBUUpfoXCRxYOuuFbRtHRoKP378zH1+rMj09tNfaVi0QD 6v0QO9g2xVv4758XVaS713PGByezNkZBdyEPqLNRgJRANkd0Q0kgT8uwuym40ziBfZEd 7pMtBABzpOkdJ2zcMdse9pioblixMMg7Y7vMAsLcr6rtm6/+wVuZE6tZSXj+8fhSjrJX 7ECEKZfWyE9vsw9wtultnt/3+DcPUFgBPvXryXt3XsYq2fbgl8GYnYcK8VOTXINZJt7d lhuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=D5dwObkdfQAjj7DsDs+uymwChxAz22Q1echVt2wc+qY=; b=GmyWnqiA9KeeRE/iKLwIRdQKvkMtfZkcQwWfD77DyuJu0glMPb4fbX4dyAJ0+4G31W arKyj7EaOkpQ3biKtqbOj1S3jkurWtc0KK+DXvYn3rUc6iQr251FM/Fr/lBaAeRvi7se syPHNrxvAWzCbzqhc5GuyqpZYgNkqYWB06wFRpSzmpmxomQ8gyNOu7O1wibpNzeJXA+g Vu1ap2y163Xcixu415TKqmUpPlHTWT8rTV+2KUerT5Nda110E6hONQ81biFdqmAmUGma EGoV88z8WqDoSVBci4KnzsHZqD+TKzpGcr+5tDZwB27jHZ03CFjIL1T4r6wxU7O7cGNL xdnw== X-Gm-Message-State: AOAM533jLv/dOSlzcwG65WxHyBWrA30n7I5Na+wWjo4Gs4AsVhPklABv WG3hCIBWojITy8ff1GATbdVehWba X-Google-Smtp-Source: ABdhPJxEwKrjOgJu8qGaZiKaicW0NuYF+0h95PAKBmCZGW9lYljO6y0M8F+kB6uOznwRQg+ky9Sllg== X-Received: by 2002:a17:90a:2b0f:: with SMTP id x15mr8395353pjc.230.1595650963097; Fri, 24 Jul 2020 21:22:43 -0700 (PDT) Received: from sol.lan (106-69-185-93.dyn.iinet.net.au. [106.69.185.93]) by smtp.gmail.com with ESMTPSA id p1sm885320pjp.10.2020.07.24.21.22.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Jul 2020 21:22:42 -0700 (PDT) From: Kent Gibson To: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, bgolaszewski@baylibre.com, linus.walleij@linaro.org Cc: Kent Gibson Subject: [PATCH v2 16/18] tools: gpio: port gpio-event-mon to v2 uAPI Date: Sat, 25 Jul 2020 12:19:53 +0800 Message-Id: <20200725041955.9985-17-warthog618@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200725041955.9985-1-warthog618@gmail.com> References: <20200725041955.9985-1-warthog618@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Port the gpio-event-mon tool to the latest GPIO uAPI. Signed-off-by: Kent Gibson --- tools/gpio/gpio-event-mon.c | 89 +++++++++++++++++++------------------ 1 file changed, 45 insertions(+), 44 deletions(-) diff --git a/tools/gpio/gpio-event-mon.c b/tools/gpio/gpio-event-mon.c index 1a303a81aeef..5da980f78881 100644 --- a/tools/gpio/gpio-event-mon.c +++ b/tools/gpio/gpio-event-mon.c @@ -23,17 +23,16 @@ #include #include #include +#include "gpio-utils.h" int monitor_device(const char *device_name, unsigned int line, - uint32_t handleflags, - uint32_t eventflags, + struct gpioline_config *config, unsigned int loops) { - struct gpioevent_request req; - struct gpiohandle_data data; + struct gpioline_values values; char *chrdev_name; - int fd; + int cfd, lfd; int ret; int i = 0; @@ -41,44 +40,37 @@ int monitor_device(const char *device_name, if (ret < 0) return -ENOMEM; - fd = open(chrdev_name, 0); - if (fd == -1) { + cfd = open(chrdev_name, 0); + if (cfd == -1) { ret = -errno; fprintf(stderr, "Failed to open %s\n", chrdev_name); goto exit_free_name; } - req.lineoffset = line; - req.handleflags = handleflags; - req.eventflags = eventflags; - strcpy(req.consumer_label, "gpio-event-mon"); - - ret = ioctl(fd, GPIO_GET_LINEEVENT_IOCTL, &req); - if (ret == -1) { - ret = -errno; - fprintf(stderr, "Failed to issue GET EVENT " - "IOCTL (%d)\n", - ret); - goto exit_close_error; - } + ret = gpiotools_request_line(device_name, &line, 1, config, + "gpio-event-mon"); + if (ret < 0) + goto exit_device_close; + else + lfd = ret; /* Read initial states */ - ret = ioctl(req.fd, GPIOHANDLE_GET_LINE_VALUES_IOCTL, &data); - if (ret == -1) { - ret = -errno; - fprintf(stderr, "Failed to issue GPIOHANDLE GET LINE " - "VALUES IOCTL (%d)\n", + ret = gpiotools_get_values(lfd, &values); + if (ret < 0) { + fprintf(stderr, + "Failed to issue GPIO LINE GET VALUES IOCTL (%d)\n", ret); - goto exit_close_error; + goto exit_line_close; } fprintf(stdout, "Monitoring line %d on %s\n", line, device_name); - fprintf(stdout, "Initial line value: %d\n", data.values[0]); + fprintf(stdout, "Initial line value: %d\n", + gpiotools_test_bit(values.bits, 0)); while (1) { - struct gpioevent_data event; + struct gpioline_event event; - ret = read(req.fd, &event, sizeof(event)); + ret = read(lfd, &event, sizeof(event)); if (ret == -1) { if (errno == -EAGAIN) { fprintf(stderr, "nothing available\n"); @@ -96,12 +88,14 @@ int monitor_device(const char *device_name, ret = -EIO; break; } - fprintf(stdout, "GPIO EVENT %llu: ", event.timestamp); + fprintf(stdout, "GPIO EVENT at %llu on line %d (%d|%d) ", + event.timestamp, event.offset, event.line_seqno, + event.seqno); switch (event.id) { - case GPIOEVENT_EVENT_RISING_EDGE: + case GPIOLINE_EVENT_RISING_EDGE: fprintf(stdout, "rising edge"); break; - case GPIOEVENT_EVENT_FALLING_EDGE: + case GPIOLINE_EVENT_FALLING_EDGE: fprintf(stdout, "falling edge"); break; default: @@ -114,8 +108,11 @@ int monitor_device(const char *device_name, break; } -exit_close_error: - if (close(fd) == -1) +exit_line_close: + if (close(lfd) == -1) + perror("Failed to close line file"); +exit_device_close: + if (close(cfd) == -1) perror("Failed to close GPIO character device file"); exit_free_name: free(chrdev_name); @@ -140,15 +137,20 @@ void print_usage(void) ); } +#define EDGE_FLAGS \ + (GPIOLINE_FLAG_V2_EDGE_RISING | \ + GPIOLINE_FLAG_V2_EDGE_FALLING) + int main(int argc, char **argv) { const char *device_name = NULL; unsigned int line = -1; unsigned int loops = 0; - uint32_t handleflags = GPIOHANDLE_REQUEST_INPUT; - uint32_t eventflags = 0; + struct gpioline_config config; int c; + memset(&config, 0, sizeof(config)); + config.flags = GPIOLINE_FLAG_V2_INPUT; while ((c = getopt(argc, argv, "c:n:o:dsrf?")) != -1) { switch (c) { case 'c': @@ -161,16 +163,16 @@ int main(int argc, char **argv) line = strtoul(optarg, NULL, 10); break; case 'd': - handleflags |= GPIOHANDLE_REQUEST_OPEN_DRAIN; + config.flags |= GPIOLINE_FLAG_V2_OPEN_DRAIN; break; case 's': - handleflags |= GPIOHANDLE_REQUEST_OPEN_SOURCE; + config.flags |= GPIOLINE_FLAG_V2_OPEN_SOURCE; break; case 'r': - eventflags |= GPIOEVENT_REQUEST_RISING_EDGE; + config.flags |= GPIOLINE_FLAG_V2_EDGE_RISING; break; case 'f': - eventflags |= GPIOEVENT_REQUEST_FALLING_EDGE; + config.flags |= GPIOLINE_FLAG_V2_EDGE_FALLING; break; case '?': print_usage(); @@ -182,11 +184,10 @@ int main(int argc, char **argv) print_usage(); return -1; } - if (!eventflags) { + if (!(config.flags & EDGE_FLAGS)) { printf("No flags specified, listening on both rising and " "falling edges\n"); - eventflags = GPIOEVENT_REQUEST_BOTH_EDGES; + config.flags |= EDGE_FLAGS; } - return monitor_device(device_name, line, handleflags, - eventflags, loops); + return monitor_device(device_name, line, &config, loops); } -- 2.27.0