From patchwork Sat Aug 17 10:25:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Octavian Purdila X-Patchwork-Id: 13767130 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 AD659C52D7D for ; Sat, 17 Aug 2024 10:27:19 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sfGeK-00085d-5V; Sat, 17 Aug 2024 06:27:08 -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 <33nrAZgUKChMCtE18z77z4x.v759x5D-wxEx4676z6D.7Az@flex--tavip.bounces.google.com>) id 1sfGdz-0006Y8-Je for qemu-devel@nongnu.org; Sat, 17 Aug 2024 06:26:48 -0400 Received: from mail-pg1-x549.google.com ([2607:f8b0:4864:20::549]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <33nrAZgUKChMCtE18z77z4x.v759x5D-wxEx4676z6D.7Az@flex--tavip.bounces.google.com>) id 1sfGdw-0003J5-6l for qemu-devel@nongnu.org; Sat, 17 Aug 2024 06:26:46 -0400 Received: by mail-pg1-x549.google.com with SMTP id 41be03b00d2f7-6c8f99fef10so2830223a12.3 for ; Sat, 17 Aug 2024 03:26:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1723890399; x=1724495199; darn=nongnu.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=Upd9FeYdowY3IZShEUb1HXBlUbq++p8JkY3ix5d4D/M=; b=Y5b9lJ/xid4nppwhvvusxDfP8VvZIqI3oFZq/ONkXKw7OxbhLxG3JA9dCZuAwcmJlj W+GNznWX1pUZDxlCN9/v8+7WHYZrYUafU1szE0pD/Uh6M7rZXTxcyb4c9yukqRp+O72i WEdr3yj8V8LqGIMuAhkvNSWTAPfN3zpCboHxuSHUeJvwbpPzA8ogR0nYI6H/72YcDf+d MavnxUxIqdvl2zcCj9Vq2Te1r46Sw4RUtNxD6sosjN0/KeztwcF7Sg/FY1tsfNDiKH4k 4wPyAfGrN8gW2sBM0OfX2vSiE6V+DB0gaif7+UAqMrSxEpjhJZ8rY/1A5V+1TDO0NmRR CX2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723890399; x=1724495199; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Upd9FeYdowY3IZShEUb1HXBlUbq++p8JkY3ix5d4D/M=; b=l6QuisLL2aSKXi0kOWCLStp5zpkCBuLXl2Se0je6AIA7JoutJ/BM40KJRwW5VUK1cp ui6JzJu5/7NmXCzNJ4ZjKC4+VkAeAy3O/B4LoDdR1YTr/VQLyAIGO3GrxWu/y1P1+5TG XuNhu/yKjNuhBQ6XKT0NnsUIAQhFtWrvlIAqBjejMyFElaY90cGfwiJq5HTqXG5qbToM /orges7aoqONnGRYUhEHHuUlhLqMKUOZrfTdrQzqL/9/DyTTZ/JSCW7XOq0WRbnk7zix ekCVxop9LhyjGcu6lxOpBinjx3hek/hwvhSqpkWFJSnLA4xrB4c/gdOVHdoFgTZqei/5 Pz3Q== X-Gm-Message-State: AOJu0YzjXbjsSFdiDWp7AlfGlbfPUfcS/bUYq74Fdw055ZZqFUSAG/9G JP7O6shSlxAwqfo6Ygx27SV8n4XqMSwqk29Lle5gGNrGK1QA+gRgZ5Kd9PNVRQEg+TPMtD4q8br Ony3boNRf58ZbpvzuCiLqBKQgixxQOJ5XPpGaYyW5Ky5qdL5jrHa/F1rUWoPwyzMLvnb/Iu9tfU r7uASPK3mE5b2jQvVqCmQ6CJSzwg== X-Google-Smtp-Source: AGHT+IGFCQhCHSaXkndnnYNVcH3SLN/Fw3Mm2mFM5Gs9rAwFxGZ3cB9xCDyPpDVegQclw5fCSqQwaCRlWQ== X-Received: from warp10.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:750]) (user=tavip job=sendgmr) by 2002:a17:902:ecd1:b0:202:156:c4c6 with SMTP id d9443c01a7336-20203f1cdbamr5626085ad.9.1723890398382; Sat, 17 Aug 2024 03:26:38 -0700 (PDT) Date: Sat, 17 Aug 2024 03:25:59 -0700 In-Reply-To: <20240817102606.3996242-1-tavip@google.com> Mime-Version: 1.0 References: <20240817102606.3996242-1-tavip@google.com> X-Mailer: git-send-email 2.46.0.184.g6999bdac58-goog Message-ID: <20240817102606.3996242-17-tavip@google.com> Subject: [RFC PATCH v2 16/23] test/unit: add spi-tester From: Octavian Purdila To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, stefanst@google.com, pbonzini@redhat.com, thuth@redhat.com, peter.maydell@linaro.org, marcandre.lureau@redhat.com, alistair@alistair23.me, berrange@redhat.com, philmd@linaro.org, jsnow@redhat.com, crosa@redhat.com Received-SPF: pass client-ip=2607:f8b0:4864:20::549; envelope-from=33nrAZgUKChMCtE18z77z4x.v759x5D-wxEx4676z6D.7Az@flex--tavip.bounces.google.com; helo=mail-pg1-x549.google.com X-Spam_score_int: -95 X-Spam_score: -9.6 X-Spam_bar: --------- X-Spam_report: (-9.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, 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, USER_IN_DEF_DKIM_WL=-7.5 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 Add a simple SPI peripheral that echoes back received data. Useful for testing SPI controllers. Signed-off-by: Octavian Purdila --- tests/unit/spi_tester.h | 32 +++++++++++++++++++++++ tests/unit/spi_tester.c | 57 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 89 insertions(+) create mode 100644 tests/unit/spi_tester.h create mode 100644 tests/unit/spi_tester.c diff --git a/tests/unit/spi_tester.h b/tests/unit/spi_tester.h new file mode 100644 index 0000000000..16e08d2b5c --- /dev/null +++ b/tests/unit/spi_tester.h @@ -0,0 +1,32 @@ +/* + * Simple SPI peripheral device used for SPI controller testing. + * + * Copyright (c) 2024 Google LLC. + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef TESTS_UNIT_SPI_TESTER_H +#define TESTS_UNIT_SPI_TESTER_H + +#include "qemu/osdep.h" +#include "qemu/log.h" +#include "qemu/module.h" +#include "qemu/bswap.h" +#include "hw/irq.h" +#include "hw/ssi/ssi.h" +#include "qemu/timer.h" +#include "hw/qdev-properties.h" + +#define TYPE_SPI_TESTER "spi-tester" +#define SPI_TESTER(obj) OBJECT_CHECK(SpiTesterState, (obj), TYPE_SPI_TESTER) + +typedef struct { + SSIPeripheral ssidev; + bool cs; +} SpiTesterState; + +#endif /* TESTS_UNIT_SPI_TESTER_H */ diff --git a/tests/unit/spi_tester.c b/tests/unit/spi_tester.c new file mode 100644 index 0000000000..e055d25990 --- /dev/null +++ b/tests/unit/spi_tester.c @@ -0,0 +1,57 @@ +/* + * Simple SPI peripheral echo device used for SPI controller testing. + * + * Copyright (c) 2024 Google LLC. + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "spi_tester.h" + +static uint32_t spi_tester_transfer(SSIPeripheral *dev, uint32_t value) +{ + SpiTesterState *s = SPI_TESTER(dev); + + if (s->cs) { + return 0; + } + + return value; +} + +static void spi_tester_realize(SSIPeripheral *d, Error **errp) +{ +} + +static int spi_tester_set_cs(SSIPeripheral *dev, bool select) +{ + SpiTesterState *s = SPI_TESTER(dev); + + s->cs = select; + + return 0; +} + +static void spi_tester_class_init(ObjectClass *klass, void *data) +{ + SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass); + + k->realize = spi_tester_realize; + k->transfer = spi_tester_transfer; + k->set_cs = spi_tester_set_cs; + k->cs_polarity = SSI_CS_LOW; +} + +static const TypeInfo spi_tester_types[] = { + { + .name = TYPE_SPI_TESTER, + .parent = TYPE_SSI_PERIPHERAL, + .instance_size = sizeof(SpiTesterState), + .class_init = spi_tester_class_init, + }, +}; + +DEFINE_TYPES(spi_tester_types);