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Thu, 29 Apr 2021 05:05:56 -0700 (PDT) Received: from localhost.localdomain ([2405:201:6008:61b4:c0b1:be0f:608e:9a45]) by smtp.gmail.com with ESMTPSA id p6sm713643pjg.35.2021.04.29.05.05.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Apr 2021 05:05:55 -0700 (PDT) From: Shreyansh Chouhan To: kraxel@redhat.com, mst@redhat.com Subject: [RFC PATCH 10/27] virtio-snd: Add code for the realize function Date: Thu, 29 Apr 2021 17:34:28 +0530 Message-Id: <20210429120445.694420-11-chouhan.shreyansh2702@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210429120445.694420-1-chouhan.shreyansh2702@gmail.com> References: <20210429120445.694420-1-chouhan.shreyansh2702@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::531; envelope-from=chouhan.shreyansh2702@gmail.com; helo=mail-pg1-x531.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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: , Cc: Shreyansh Chouhan , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Shreyansh Chouhan --- hw/audio/virtio-snd.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/hw/audio/virtio-snd.c b/hw/audio/virtio-snd.c index edaeffd6b7..caad157705 100644 --- a/hw/audio/virtio-snd.c +++ b/hw/audio/virtio-snd.c @@ -97,8 +97,43 @@ static uint64_t virtio_snd_get_features(VirtIODevice *vdev, uint64_t features, return vdev->host_features; } +/* + * Initializes the VirtIOSound card device. Validates the configuration + * passed by the command line. Initializes the virtqueues. Allocates resources + * for and initializes streams, jacks and chmaps. + * + * @dev: VirtIOSound card device + * @errp: Set if there is an error + */ static void virtio_snd_device_realize(DeviceState *dev, Error **errp) { + VirtIODevice *vdev = VIRTIO_DEVICE(dev); + VirtIOSound *s = VIRTIO_SOUND(dev); + + virtio_init(vdev, "virtio-snd", VIRTIO_ID_SOUND, sizeof(virtio_snd_config)); + + /* set number of jacks and streams */ + if (s->snd_conf.jacks > 8) { + error_setg(errp, "Invalid number of jacks: %d", s->snd_conf.jacks); + return; + } + if (s->snd_conf.streams < 1 || s->snd_conf.streams > 10) { + error_setg(errp, "Invalid number of streams: %d", s->snd_conf.streams); + return; + } + + if (s->snd_conf.chmaps > VIRTIO_SND_CHMAP_MAX_SIZE) { + error_setg(errp, "Invalid number of channel maps: %d", + s->snd_conf.chmaps); + return; + } + + /* set up QEMUSoundCard and audiodev */ + AUD_register_card ("virtio_snd_card", &s->card); + + s->streams = g_new0(virtio_snd_pcm_stream *, s->snd_conf.streams); + s->pcm_params = g_new0(virtio_snd_pcm_params *, s->snd_conf.streams); + s->jacks = g_new0(virtio_snd_jack *, s->snd_conf.jacks); } static void virtio_snd_device_unrealize(DeviceState *dev) -- 2.25.1