From patchwork Sat Jul 29 10:36:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manos Pitsidianakis X-Patchwork-Id: 13333101 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id F1E40C0015E for ; Sat, 29 Jul 2023 10:59:47 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qPhLr-0000QI-IX; Sat, 29 Jul 2023 06:39:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qPhLq-0000IH-A6 for qemu-devel@nongnu.org; Sat, 29 Jul 2023 06:39:10 -0400 Received: from mail-wm1-x331.google.com ([2a00:1450:4864:20::331]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qPhLo-00017o-Qp for qemu-devel@nongnu.org; Sat, 29 Jul 2023 06:39:10 -0400 Received: by mail-wm1-x331.google.com with SMTP id 5b1f17b1804b1-3fde57684d7so28857075e9.2 for ; Sat, 29 Jul 2023 03:39:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1690627147; x=1691231947; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=SFgI0VBM4/EkVfi0Gwqqn06sAlissiVMCynNkPCR8Nw=; b=BQqUDW0cMVyPEmMlt6moWQscfs/eH1864sgjRKgMmSSJmweeMbRFiDmIRif9u5LhwS VeO/XqDy/pWzk+LuQRW4GdmDqumVDwcmtnXmNu6psG21I4uL28ahDOOVNw5iLp4N/dgB zMuxdP3recqXevtfdzJ3we3gerB7GJCZrR8Ep+0ojJSNZl+gP/He67wYJC3HCP9oCBWG 3BeFXd5J+r2AXCZQm9J7hYWhLkVHRVVSojan+Sq2Isk07Tw4cLV75saU2V67V0gD2Chp 9NsAT4CQLc9yAYNDMjY9BsguOd8dy4LU+sLHJ2XkO5GdtOuN76R27STtKLh/thJx8uvn rqiQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690627147; x=1691231947; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=SFgI0VBM4/EkVfi0Gwqqn06sAlissiVMCynNkPCR8Nw=; b=krInmvXvIwQPYi4odO2xQA7zEPdSoYroZVD6zAUaenSrhinO2vaSR8Jt9Y+RgLD+Wk pxM0LaEsMFwItb63umo24tjDQi7T+VDl9t0riUc77vt2iUiz97l23GsWuJwUFxuxo2kt dCwI2Hy2Hvn/fCRpz+5pPLFsVhVH59XlkN5lpAhp6WJNJPlH5sLYf6zPV7wMWJR1GEi+ oDNrOHdkjG/3vdU4KUr58StIGp0tGgqFiqyx2Bb21rSqeRHrjfpJVkSnc7QfDcfm/s5x SAVzHXHIybsPNPgUwrV57teurYNMihnEy7JhRyMuQTiElK3t0IrW6sORZEcZQZfLeB/o W2RA== X-Gm-Message-State: ABy/qLbN9CbDnG1y/MRQTHfuvptkFgbN27halK/s6amfiYpsplYYCk6H kK+BBkjN7rLikZu2syDd3kudARxWXie9qiXhslkOUw== X-Google-Smtp-Source: APBJJlGm9YuGDZoHLsIEMuCdl/zLntfryizjtWr1gxLvcIY8feylagK/qlLDCRJ1wCN+i7EEtaHnrQ== X-Received: by 2002:a1c:7416:0:b0:3fe:ad4:27b1 with SMTP id p22-20020a1c7416000000b003fe0ad427b1mr3086159wmc.28.1690627146926; Sat, 29 Jul 2023 03:39:06 -0700 (PDT) Received: from localhost.localdomain (adsl-200.37.6.161.tellas.gr. [37.6.161.200]) by smtp.gmail.com with ESMTPSA id x20-20020a1c7c14000000b003fc01f7b415sm8984777wmc.39.2023.07.29.03.39.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 29 Jul 2023 03:39:06 -0700 (PDT) From: Emmanouil Pitsidianakis To: qemu-devel@nongnu.org Cc: Emmanouil Pitsidianakis , "Igor Skalkin" , "Anton Yakovlev" , "Paolo Bonzini" , "Gerd Hoffmann" , "Michael S. Tsirkin" , "Marcel Apfelbaum" , =?utf-8?q?Daniel_P=2E_Berr?= =?utf-8?q?ang=C3=A9?= , "Eduardo Habkost" , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , =?utf-8?q?Volker_R=C3=BCmelin?= , =?utf-8?b?S8WRdsOh?= =?utf-8?b?Z8OzLCBab2x0w6Fu?= , "Alex Bennee" , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= Subject: [PATCH v5 07/12] virtio-sound: handle VIRTIO_SND_R_PCM_{START,STOP} Date: Sat, 29 Jul 2023 13:36:59 +0300 Message-Id: <7641e21ee8e50dbcc045caed774082ecca455640.1690626150.git.manos.pitsidianakis@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::331; envelope-from=manos.pitsidianakis@linaro.org; helo=mail-wm1-x331.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org Handle the start and stop control messages for a stream_id. This request does nothing at the moment except for replying to it. Audio playback or capture will be started/stopped here in follow-up commits. Signed-off-by: Emmanouil Pitsidianakis --- hw/virtio/trace-events | 1 + hw/virtio/virtio-snd.c | 42 ++++++++++++++++++++++++++++++++++++++++-- 2 files changed, 41 insertions(+), 2 deletions(-) diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index 3e619f778b..8eae1bf881 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -165,6 +165,7 @@ virtio_snd_realize(void *snd) "snd %p: realize" virtio_snd_unrealize(void *snd) "snd %p: unrealize" virtio_snd_handle_ctrl(void *vdev, void *vq) "snd %p: handle ctrl event for queue %p" virtio_snd_handle_pcm_info(uint32_t stream) "VIRTIO_SND_R_PCM_INFO called for stream %"PRIu32 +virtio_snd_handle_pcm_start_stop(const char *code, uint32_t stream) "%s called for stream %"PRIu32 virtio_snd_handle_code(uint32_t val, const char *code) "ctrl code msg val = %"PRIu32" == %s" virtio_snd_handle_chmap_info(void) "VIRTIO_SND_CHMAP_INFO called" virtio_snd_handle_event(void) "event queue callback called" diff --git a/hw/virtio/virtio-snd.c b/hw/virtio/virtio-snd.c index eccb156e44..c8adc7614c 100644 --- a/hw/virtio/virtio-snd.c +++ b/hw/virtio/virtio-snd.c @@ -402,6 +402,40 @@ static uint32_t virtio_snd_pcm_prepare_impl(VirtIOSound *s, uint32_t stream_id) return VIRTIO_SND_S_OK; } +/* + * Handles VIRTIO_SND_R_PCM_START. + * + * @s: VirtIOSound device + * @cmd: The request command queue element from VirtIOSound cmdq field + * @start: whether to start or stop the device + */ +static void virtio_snd_handle_pcm_start_stop(VirtIOSound *s, + virtio_snd_ctrl_command *cmd, + bool start) +{ + VirtIOSoundPCMStream *stream; + virtio_snd_pcm_hdr req; + size_t sz = iov_to_buf(cmd->elem->out_sg, + cmd->elem->out_num, + 0, + &req, + sizeof(req)); + if (sz != sizeof(virtio_snd_pcm_hdr)) { + cmd->resp.code = VIRTIO_SND_S_BAD_MSG; + return; + } + + cmd->resp.code = VIRTIO_SND_S_OK; + trace_virtio_snd_handle_pcm_start_stop(start ? "VIRTIO_SND_R_PCM_START" : + "VIRTIO_SND_R_PCM_STOP", req.stream_id); + + stream = virtio_snd_pcm_get_stream(s, req.stream_id); + if (!stream) { + error_report("Invalid stream id: %"PRIu32, req.stream_id); + cmd->resp.code = VIRTIO_SND_S_BAD_MSG; + } +} + /* * The actual processing done in virtio_snd_process_cmdq(). * @@ -436,10 +470,14 @@ process_cmd(VirtIOSound *s, virtio_snd_ctrl_command *cmd) case VIRTIO_SND_R_PCM_INFO: virtio_snd_handle_pcm_info(s, cmd); break; - case VIRTIO_SND_R_PCM_SET_PARAMS: - case VIRTIO_SND_R_PCM_PREPARE: case VIRTIO_SND_R_PCM_START: + virtio_snd_handle_pcm_start_stop(s, cmd, true); + break; case VIRTIO_SND_R_PCM_STOP: + virtio_snd_handle_pcm_start_stop(s, cmd, false); + break; + case VIRTIO_SND_R_PCM_SET_PARAMS: + case VIRTIO_SND_R_PCM_PREPARE: case VIRTIO_SND_R_PCM_RELEASE: cmd->resp.code = VIRTIO_SND_S_NOT_SUPP; break;