From patchwork Mon Oct 23 18:08:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Titus Rwantare X-Patchwork-Id: 1853935 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20230601 header.b=OB4AEKyD; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SDjs361f7z23jq for ; Tue, 24 Oct 2023 05:09:59 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1quzMS-0005Ng-S8; Mon, 23 Oct 2023 14:09:08 -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 <3v7Y2ZQYKCjgncnomlaiiafY.WigkYgo-XYpYfhihaho.ila@flex--titusr.bounces.google.com>) id 1quzMR-0005MJ-01 for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:07 -0400 Received: from mail-yb1-xb49.google.com ([2607:f8b0:4864:20::b49]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <3v7Y2ZQYKCjgncnomlaiiafY.WigkYgo-XYpYfhihaho.ila@flex--titusr.bounces.google.com>) id 1quzMO-0006wp-W8 for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:06 -0400 Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-d9a60a104b6so4522055276.1 for ; Mon, 23 Oct 2023 11:09:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1698084543; x=1698689343; 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=HFnWjYOHB5EqSxwGHy/1s7BktEbWnkfGQGD6lm68LPo=; b=OB4AEKyDHOauNwoOzAPUwTc0B4tZyfVR0PUM8hgqXH0vC1lgBvdElOCavvhyc8KPva bdSVwrIqV4W3/rtdxinhYBm17EQqA5uilpJhc4HshJtvHLYWihvxIrc6ajQaYDZNf5+v WPBVpe8qEvRqgxqoqNFgGcYw19SrZu1URg+weKU9pwQNwj3D2j5MqM6eo3xFD+5WBnvs xkVXcVPCvOUyTf3yxyAZKxLIrGMl655vQe8MYv6HhcwRsRhTTobarpK1/CbeqyULRdV8 EY6gDyHSK8m5DQhStSKQdroACaDzEqoFPxVclSO8QHB4q4W04rOvOF8NYO3+ldDvggIw nq6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698084543; x=1698689343; 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=HFnWjYOHB5EqSxwGHy/1s7BktEbWnkfGQGD6lm68LPo=; b=mRI1Vo/eaXRT+X2UQ2ga4QvVwm6CEgI2C/+mcHQDzyp4UxCEXvaK6mu2OkBw9A0dJR zS17xRRcdWmzLe8hSBjT327lXUZXd28sfkqkNCQVGXjVFZTTkuE8kTmuWPYWZlUUZdWZ LcqJT3yU2RFX+FNI4z5CwGQsnZ6owbtgrekT9j3rjonfqDsQ87LyL77KBN4gqwPKv1uZ /ch/fOPpeA/Y9gnyZMk7YTRQNTMwdH98g2TCqqMU+YqewOPqWerkzzZ9i/pQ4XfpnKka zX6z/4K+1TWnKMwcugD29Kn5gcmb8FM2iTNrK5RnGvPMvI0NN0xgKhNanemYi3oDkmgz vzYA== X-Gm-Message-State: AOJu0YwSu3ogYTqXlZXDan9QrWOhkKt/Kgs6ivODN5w566SydaxCT+p4 eRmVBe0egdITxeNdMvv92bDsQOZBrRE= X-Google-Smtp-Source: AGHT+IE+g69EoR+0YxhShcfO0xrY3tE0P9riIlbimC92y6YIcfHSqyyzS/skMR7pmn3oGZZv47eEmFNMXX0= X-Received: from titusr.c.googlers.com ([fda3:e722:ac3:cc00:14:4d90:c0a8:22b8]) (user=titusr job=sendgmr) by 2002:a25:938e:0:b0:d9a:fd4d:d536 with SMTP id a14-20020a25938e000000b00d9afd4dd536mr256629ybm.3.1698084543317; Mon, 23 Oct 2023 11:09:03 -0700 (PDT) Date: Mon, 23 Oct 2023 18:08:30 +0000 In-Reply-To: <20231023180837.91785-1-titusr@google.com> Mime-Version: 1.0 References: <20231023180837.91785-1-titusr@google.com> X-Mailer: git-send-email 2.42.0.758.gaed0368e0e-goog Message-ID: <20231023180837.91785-2-titusr@google.com> Subject: [PATCH v3 1/8] hw/i2c: pmbus add support for block receive From: Titus Rwantare To: qemu-arm@nongnu.org, qemu-devel@nongnu.org, minyard@acm.org, philmd@linaro.org Cc: Titus Rwantare , Hao Wu Received-SPF: pass client-ip=2607:f8b0:4864:20::b49; envelope-from=3v7Y2ZQYKCjgncnomlaiiafY.WigkYgo-XYpYfhihaho.ila@flex--titusr.bounces.google.com; helo=mail-yb1-xb49.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, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org PMBus devices can send and receive variable length data using the block read and write format, with the first byte in the payload denoting the length. This is mostly used for strings and on-device logs. Devices can respond to a block read with an empty string. Reviewed-by: Hao Wu Signed-off-by: Titus Rwantare --- hw/i2c/pmbus_device.c | 30 +++++++++++++++++++++++++++++- include/hw/i2c/pmbus_device.h | 7 +++++++ 2 files changed, 36 insertions(+), 1 deletion(-) diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c index cef51663d0..ea15490720 100644 --- a/hw/i2c/pmbus_device.c +++ b/hw/i2c/pmbus_device.c @@ -102,7 +102,6 @@ void pmbus_send_string(PMBusDevice *pmdev, const char *data) } size_t len = strlen(data); - g_assert(len > 0); g_assert(len + pmdev->out_buf_len < SMBUS_DATA_MAX_LEN); pmdev->out_buf[len + pmdev->out_buf_len] = len; @@ -112,6 +111,35 @@ void pmbus_send_string(PMBusDevice *pmdev, const char *data) pmdev->out_buf_len += len + 1; } +uint8_t pmbus_receive_block(PMBusDevice *pmdev, uint8_t *dest, size_t len) +{ + /* dest may contain data from previous writes */ + memset(dest, 0, len); + + /* Exclude command code from return value */ + pmdev->in_buf++; + pmdev->in_buf_len--; + + /* The byte after the command code denotes the length */ + uint8_t sent_len = pmdev->in_buf[0]; + + if (sent_len != pmdev->in_buf_len - 1) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: length mismatch. Expected %d bytes, got %d bytes\n", + __func__, sent_len, pmdev->in_buf_len - 1); + } + + /* exclude length byte */ + pmdev->in_buf++; + pmdev->in_buf_len--; + + if (pmdev->in_buf_len < len) { + len = pmdev->in_buf_len; + } + memcpy(dest, pmdev->in_buf, len); + return len; +} + static uint64_t pmbus_receive_uint(PMBusDevice *pmdev) { diff --git a/include/hw/i2c/pmbus_device.h b/include/hw/i2c/pmbus_device.h index 93f5d57c9d..7dc00cc4d9 100644 --- a/include/hw/i2c/pmbus_device.h +++ b/include/hw/i2c/pmbus_device.h @@ -501,6 +501,13 @@ void pmbus_send64(PMBusDevice *state, uint64_t data); */ void pmbus_send_string(PMBusDevice *state, const char *data); +/** + * @brief Receive data sent with Block Write. + * @param dest - memory with enough capacity to receive the write + * @param len - the capacity of dest + */ +uint8_t pmbus_receive_block(PMBusDevice *pmdev, uint8_t *dest, size_t len); + /** * @brief Receive data over PMBus * These methods help track how much data is being received over PMBus From patchwork Mon Oct 23 18:08:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Titus Rwantare X-Patchwork-Id: 1853933 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20230601 header.b=rK+ya0Hs; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SDjrP5bwjz202k for ; Tue, 24 Oct 2023 05:09:25 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1quzMU-0005Oh-RD; Mon, 23 Oct 2023 14:09:10 -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 <3wLY2ZQYKCjkodopnmbjjbgZ.XjhlZhp-YZqZgijibip.jmb@flex--titusr.bounces.google.com>) id 1quzMS-0005Nd-QF for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:08 -0400 Received: from mail-yw1-x114a.google.com ([2607:f8b0:4864:20::114a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <3wLY2ZQYKCjkodopnmbjjbgZ.XjhlZhp-YZqZgijibip.jmb@flex--titusr.bounces.google.com>) id 1quzMR-0006wy-6t for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:08 -0400 Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-5a839b31a0dso70400437b3.0 for ; Mon, 23 Oct 2023 11:09:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1698084544; x=1698689344; 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=KbV14A8alfaUICvgPRLDukMHo/7m/lBZ+95cv/4vjS0=; b=rK+ya0Hsvjna+X0keynGni/1hOBAKfos88oacPZtgX5CLiRdcXEqXT0pkeNsXa/8n1 XvASqW25ISpd5fIixXD4HYH/dKiKCyzHZQGI7H5PMcFLA+qo95mqn3kwvbTcET1A6+/M Z5JQfikEpwlM11d1ICjByTUCPwl3wpPs6Sr29q2GSd2rMvyvCznePmOHrr8KfzHoz5EG bcUzuseqcf4WA9Ujp3GtPXj/GjdSOW/9JTzR00QJRBWUdA1pPp3ofT2VhDWZRwrF7xYO J5LYLsHfoJyHOGWu/v9tX6eSjY4+FUGaSXgBOv6YWamB3SQpTpDS5QOmyJHPFey5XwM8 63xg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698084544; x=1698689344; 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=KbV14A8alfaUICvgPRLDukMHo/7m/lBZ+95cv/4vjS0=; b=k0he9NcqhnXPKihR68VsqnQV8Ry9B5fTShnwViUHoLhylMwkNYsCdIfb89eEBWdVna xKKd8ucefSFtVxeyF8P+BUUtBeN7NSRLGHhVSjxZJedm+RJocbCPEYXWeZHmP3xX+Jxo 8aTxteJe2PhK/aTm0qkNmXvbUnjEcIGhPsNMR6DRFQCWXXozUsauBgisl+xtORBUuP/U NUgxGnwU1Y3cqUb5U/rFobIqX99fFflg3UTjpZfwaTdq4ZBxMCrUYKgWCUhnd3t/Jb1j 9BhIm016Kk+crzj8mPJXeO9auXRvB5BGmH5TOD5foms2cZ3MsZ1IWFecjQxfj2BVx2HN T25A== X-Gm-Message-State: AOJu0YzTlzpl026Blq5nZigUyUfTJBaOXvtAURgEbMJMkFOVOzZEZP0a PAZdfIf+o1/D5EIXm3t9mzBO70RRsUg= X-Google-Smtp-Source: AGHT+IGajiyMpp23xxkw2f1DngnEIVRNGpEmSZaYlZ5LfTSq0bFGJtJZGIU97RsWUFbkJwjsFguibntxF+w= X-Received: from titusr.c.googlers.com ([fda3:e722:ac3:cc00:14:4d90:c0a8:22b8]) (user=titusr job=sendgmr) by 2002:a81:6cc3:0:b0:5a7:a98a:4af0 with SMTP id h186-20020a816cc3000000b005a7a98a4af0mr220029ywc.3.1698084544085; Mon, 23 Oct 2023 11:09:04 -0700 (PDT) Date: Mon, 23 Oct 2023 18:08:31 +0000 In-Reply-To: <20231023180837.91785-1-titusr@google.com> Mime-Version: 1.0 References: <20231023180837.91785-1-titusr@google.com> X-Mailer: git-send-email 2.42.0.758.gaed0368e0e-goog Message-ID: <20231023180837.91785-3-titusr@google.com> Subject: [PATCH v3 2/8] hw/i2c: pmbus: add vout mode bitfields From: Titus Rwantare To: qemu-arm@nongnu.org, qemu-devel@nongnu.org, minyard@acm.org, philmd@linaro.org Cc: Titus Rwantare , Hao Wu Received-SPF: pass client-ip=2607:f8b0:4864:20::114a; envelope-from=3wLY2ZQYKCjkodopnmbjjbgZ.XjhlZhp-YZqZgijibip.jmb@flex--titusr.bounces.google.com; helo=mail-yw1-x114a.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, USER_IN_DEF_DKIM_WL=-7.5 autolearn=unavailable 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The VOUT_MODE command is described in the PMBus Specification, Part II, Ver 1.3 Section 8.3 VOUT_MODE has a three bit mode and 4 bit parameter, the three bit mode determines whether voltages are formatted as uint16, uint16, VID, and Direct modes. VID and Direct modes use the remaining 5 bits to scale the voltage readings. Reviewed-by: Hao Wu Signed-off-by: Titus Rwantare --- include/hw/i2c/pmbus_device.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/hw/i2c/pmbus_device.h b/include/hw/i2c/pmbus_device.h index 7dc00cc4d9..2e95164aa1 100644 --- a/include/hw/i2c/pmbus_device.h +++ b/include/hw/i2c/pmbus_device.h @@ -444,6 +444,14 @@ typedef struct PMBusCoefficients { int32_t R; /* exponent */ } PMBusCoefficients; +/** + * VOUT_Mode bit fields + */ +typedef struct PMBusVoutMode { + uint8_t mode:3; + int8_t exp:5; +} PMBusVoutMode; + /** * Convert sensor values to direct mode format * From patchwork Mon Oct 23 18:08:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Titus Rwantare X-Patchwork-Id: 1853939 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20230601 header.b=t4HIHBOg; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SDjsr4ml8z23jn for ; Tue, 24 Oct 2023 05:10:40 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1quzMY-0005SM-4s; Mon, 23 Oct 2023 14:09:14 -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 <3wbY2ZQYKCjopepqonckkcha.Ykimaiq-Zarahjkjcjq.knc@flex--titusr.bounces.google.com>) id 1quzMS-0005NP-IF for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:08 -0400 Received: from mail-yw1-x1149.google.com ([2607:f8b0:4864:20::1149]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <3wbY2ZQYKCjopepqonckkcha.Ykimaiq-Zarahjkjcjq.knc@flex--titusr.bounces.google.com>) id 1quzMQ-0006xN-EX for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:08 -0400 Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-5a7af53bde4so50094757b3.0 for ; Mon, 23 Oct 2023 11:09:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1698084545; x=1698689345; 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=IVqYj4it6Gbk8q7NLywy+QqsqPeqJ6ajVaN0kVt6mXo=; b=t4HIHBOgxVukwK2htMr7/vZrKbqTKGDUmF3dSKGV7V9Px8xBjvSzW7XF8d3kzIbagu ph5ifXVNlZPH3jz0qGtDx2tGn0KJXh7i1jJDBPOzQXTiI7+0rN2Da5LSx9r2Ze4CzJZO T2t0YGLOuvhoSN0aCX42hK+IgoGdBITv/Opr4q/X5VUmSmHGfU1q3lYmgKFvXDvVVDun ohA5zYeKE0D6MQcRYcsqqz0Xz/Hz7iA+Z7lUqYFkQ0DvZkfk9S7oC3NXHBSZr/tHlHmX mTRbe2n2i++M6/RPBd+uiEYKGGC4c6JwTVvbTnF7xTymGfRq3/idT/nZRfClp74qLRaV 1ldw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698084545; x=1698689345; 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=IVqYj4it6Gbk8q7NLywy+QqsqPeqJ6ajVaN0kVt6mXo=; b=oKWFMKfhLIYnGMD4/sSt4PDWFQi9Nnz6QUAIwqcvdj+eY8Mo2PNV+8WeNH13dehjNF FotXKOnneS4fLF9/hJHmQdcSyCRCZ3ZgrfbTdz/D2RiUd3k78JfIq2Ay+cxMoTBrtQK4 aIBbYXhLt7Kr1PJeX5SKGeau6OTIA/a3pGUBRyaZebdvq0Hhbh9JL2HMxShA5B8hA1L9 jEin3IpiKTw7IdTI7HiVKjOLfzrS+W3e4YE3DzvdtfDGjKmBs9YlwMhdaYDELgydiU4k VvhHfJ10KnVJb2L7mKW62IpaKC8Y6iW+nEGfK5PUhRRcvCcqqDRKEguwqcwOUYOTlG04 QLuA== X-Gm-Message-State: AOJu0YxjlpBp/6Xeq3KF/EFSmbnOq6Z/2D34Ylh80YHkB0xqfTZnxevd NXJHuF4SNZADJvzS9HMTdLykipKMiqw= X-Google-Smtp-Source: AGHT+IGH0IufvyX2Tsf2wMYxZhJs7YspGF2ilDPwyrVwmmXgeXHRn3ktflsA6V8Wesq+ek10RBE6s28ANho= X-Received: from titusr.c.googlers.com ([fda3:e722:ac3:cc00:14:4d90:c0a8:22b8]) (user=titusr job=sendgmr) by 2002:a25:d601:0:b0:d9b:e3f6:c8c6 with SMTP id n1-20020a25d601000000b00d9be3f6c8c6mr205230ybg.4.1698084545044; Mon, 23 Oct 2023 11:09:05 -0700 (PDT) Date: Mon, 23 Oct 2023 18:08:32 +0000 In-Reply-To: <20231023180837.91785-1-titusr@google.com> Mime-Version: 1.0 References: <20231023180837.91785-1-titusr@google.com> X-Mailer: git-send-email 2.42.0.758.gaed0368e0e-goog Message-ID: <20231023180837.91785-4-titusr@google.com> Subject: [PATCH v3 3/8] hw/i2c: pmbus: add fan support From: Titus Rwantare To: qemu-arm@nongnu.org, qemu-devel@nongnu.org, minyard@acm.org, philmd@linaro.org Cc: Titus Rwantare , Stephen Longfield Received-SPF: pass client-ip=2607:f8b0:4864:20::1149; envelope-from=3wbY2ZQYKCjopepqonckkcha.Ykimaiq-Zarahjkjcjq.knc@flex--titusr.bounces.google.com; helo=mail-yw1-x1149.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, USER_IN_DEF_DKIM_WL=-7.5 autolearn=unavailable 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org PMBus devices may integrate fans whose operation is configurable over PMBus. This commit allows the driver to read and write the fan control registers but does not model the operation of fans. Reviewed-by: Stephen Longfield Signed-off-by: Titus Rwantare --- hw/i2c/pmbus_device.c | 176 ++++++++++++++++++++++++++++++++++ include/hw/i2c/pmbus_device.h | 1 + 2 files changed, 177 insertions(+) diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c index ea15490720..c1d8c93056 100644 --- a/hw/i2c/pmbus_device.c +++ b/hw/i2c/pmbus_device.c @@ -500,6 +500,54 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd) } break; + case PMBUS_FAN_CONFIG_1_2: /* R/W byte */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send8(pmdev, pmdev->pages[index].fan_config_1_2); + } else { + goto passthough; + } + break; + + case PMBUS_FAN_COMMAND_1: /* R/W word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send16(pmdev, pmdev->pages[index].fan_command_1); + } else { + goto passthough; + } + break; + + case PMBUS_FAN_COMMAND_2: /* R/W word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send16(pmdev, pmdev->pages[index].fan_command_2); + } else { + goto passthough; + } + break; + + case PMBUS_FAN_CONFIG_3_4: /* R/W byte */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send8(pmdev, pmdev->pages[index].fan_config_3_4); + } else { + goto passthough; + } + break; + + case PMBUS_FAN_COMMAND_3: /* R/W word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send16(pmdev, pmdev->pages[index].fan_command_3); + } else { + goto passthough; + } + break; + + case PMBUS_FAN_COMMAND_4: /* R/W word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send16(pmdev, pmdev->pages[index].fan_command_4); + } else { + goto passthough; + } + break; + case PMBUS_VOUT_OV_FAULT_LIMIT: /* R/W word */ if (pmdev->pages[index].page_flags & PB_HAS_VOUT) { pmbus_send16(pmdev, pmdev->pages[index].vout_ov_fault_limit); @@ -810,6 +858,22 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd) pmbus_send8(pmdev, pmdev->pages[index].status_mfr_specific); break; + case PMBUS_STATUS_FANS_1_2: /* R/W byte */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send8(pmdev, pmdev->pages[index].status_fans_1_2); + } else { + goto passthough; + } + break; + + case PMBUS_STATUS_FANS_3_4: /* R/W byte */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send8(pmdev, pmdev->pages[index].status_fans_3_4); + } else { + goto passthough; + } + break; + case PMBUS_READ_EIN: /* Read-Only block 5 bytes */ if (pmdev->pages[index].page_flags & PB_HAS_EIN) { pmbus_send(pmdev, pmdev->pages[index].read_ein, 5); @@ -882,6 +946,54 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd) } break; + case PMBUS_READ_FAN_SPEED_1: /* Read-Only word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send16(pmdev, pmdev->pages[index].read_fan_speed_1); + } else { + goto passthough; + } + break; + + case PMBUS_READ_FAN_SPEED_2: /* Read-Only word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send16(pmdev, pmdev->pages[index].read_fan_speed_2); + } else { + goto passthough; + } + break; + + case PMBUS_READ_FAN_SPEED_3: /* Read-Only word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send16(pmdev, pmdev->pages[index].read_fan_speed_3); + } else { + goto passthough; + } + break; + + case PMBUS_READ_FAN_SPEED_4: /* Read-Only word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send16(pmdev, pmdev->pages[index].read_fan_speed_4); + } else { + goto passthough; + } + break; + + case PMBUS_READ_DUTY_CYCLE: /* Read-Only word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send16(pmdev, pmdev->pages[index].read_duty_cycle); + } else { + goto passthough; + } + break; + + case PMBUS_READ_FREQUENCY: /* Read-Only word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send16(pmdev, pmdev->pages[index].read_frequency); + } else { + goto passthough; + } + break; + case PMBUS_READ_POUT: /* Read-Only word */ if (pmdev->pages[index].page_flags & PB_HAS_POUT) { pmbus_send16(pmdev, pmdev->pages[index].read_pout); @@ -1305,6 +1417,54 @@ static int pmbus_write_data(SMBusDevice *smd, uint8_t *buf, uint8_t len) } break; + case PMBUS_FAN_CONFIG_1_2: /* R/W byte */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmdev->pages[index].fan_config_1_2 = pmbus_receive8(pmdev); + } else { + goto passthrough; + } + break; + + case PMBUS_FAN_COMMAND_1: /* R/W word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmdev->pages[index].fan_command_1 = pmbus_receive16(pmdev); + } else { + goto passthrough; + } + break; + + case PMBUS_FAN_COMMAND_2: /* R/W word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmdev->pages[index].fan_command_2 = pmbus_receive16(pmdev); + } else { + goto passthrough; + } + break; + + case PMBUS_FAN_CONFIG_3_4: /* R/W byte */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmdev->pages[index].fan_config_3_4 = pmbus_receive8(pmdev); + } else { + goto passthrough; + } + break; + + case PMBUS_FAN_COMMAND_3: /* R/W word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmdev->pages[index].fan_command_3 = pmbus_receive16(pmdev); + } else { + goto passthrough; + } + break; + + case PMBUS_FAN_COMMAND_4: /* R/W word */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmdev->pages[index].fan_command_4 = pmbus_receive16(pmdev); + } else { + goto passthrough; + } + break; + case PMBUS_VOUT_OV_FAULT_LIMIT: /* R/W word */ if (pmdev->pages[index].page_flags & PB_HAS_VOUT) { pmdev->pages[index].vout_ov_fault_limit = pmbus_receive16(pmdev); @@ -1610,6 +1770,22 @@ static int pmbus_write_data(SMBusDevice *smd, uint8_t *buf, uint8_t len) pmdev->pages[index].status_mfr_specific = pmbus_receive8(pmdev); break; + case PMBUS_STATUS_FANS_1_2: /* R/W byte */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send8(pmdev, pmdev->pages[index].status_fans_1_2); + } else { + goto passthrough; + } + break; + + case PMBUS_STATUS_FANS_3_4: /* R/W byte */ + if (pmdev->pages[index].page_flags & PB_HAS_FAN) { + pmbus_send8(pmdev, pmdev->pages[index].status_fans_3_4); + } else { + goto passthrough; + } + break; + case PMBUS_PAGE_PLUS_READ: /* Block Read-only */ case PMBUS_CAPABILITY: /* Read-Only byte */ case PMBUS_COEFFICIENTS: /* Read-only block 5 bytes */ diff --git a/include/hw/i2c/pmbus_device.h b/include/hw/i2c/pmbus_device.h index 2e95164aa1..ad431bdc7c 100644 --- a/include/hw/i2c/pmbus_device.h +++ b/include/hw/i2c/pmbus_device.h @@ -258,6 +258,7 @@ OBJECT_DECLARE_TYPE(PMBusDevice, PMBusDeviceClass, #define PB_HAS_TEMP2 BIT_ULL(41) #define PB_HAS_TEMP3 BIT_ULL(42) #define PB_HAS_TEMP_RATING BIT_ULL(43) +#define PB_HAS_FAN BIT_ULL(44) #define PB_HAS_MFR_INFO BIT_ULL(50) #define PB_HAS_STATUS_MFR_SPECIFIC BIT_ULL(51) From patchwork Mon Oct 23 18:08:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Titus Rwantare X-Patchwork-Id: 1853934 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20230601 header.b=A5RRpWml; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SDjs358gBz202k for ; Tue, 24 Oct 2023 05:09:59 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1quzMU-0005Oi-RZ; Mon, 23 Oct 2023 14:09:10 -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 <3wrY2ZQYKCjsqfqrpodlldib.Zljnbjr-absbiklkdkr.lod@flex--titusr.bounces.google.com>) id 1quzMT-0005Nv-Ao for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:09 -0400 Received: from mail-yw1-x1149.google.com ([2607:f8b0:4864:20::1149]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <3wrY2ZQYKCjsqfqrpodlldib.Zljnbjr-absbiklkdkr.lod@flex--titusr.bounces.google.com>) id 1quzMR-0006xs-C9 for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:09 -0400 Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-5a7d1816bccso49163587b3.1 for ; Mon, 23 Oct 2023 11:09:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1698084546; x=1698689346; 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=1bEPckvIqK5pjR+MT9VQ4mF1aQy7+KJPepfi6dVmWBY=; b=A5RRpWmlfhBP58eBgg7uqoyj56PJZmcAzRTaaUH/mpWOdiJ4xpe/MtuM8HVSja6zQj Kc/OYmRDtW/b1zwysTcNocNRJ6w1vv8tF5OQuLV4s1J41SrDwHRJgtACkKj/+aYMbWJs 9IOrbZWDzZXO+GwBRWeQhnYQHwy/4TNNNZkuIHFqgWjYSAteKbnMZzd8YKF+QxOMQIjP lGSmyHoCgTbl5LinCmElzI16Jqnl/LMOrB7QXZWHDBkfEh3MVNBKEPqGe1RnZ0u2WRIP T5iXAj5eNNdEI9VTq8HJSOBSd8Qb17gdjPp6BXEnQf9YJV6Lot4NSkbmV/w4VX4pMB9V h23A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698084546; x=1698689346; 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=1bEPckvIqK5pjR+MT9VQ4mF1aQy7+KJPepfi6dVmWBY=; b=cYoni5/gd74h2arOfgTQVUW5Br0PDIOuCCOzGsHlj5F9OAlCd4fhcZBzW/jvlbDDDP UXBMsuDaV4PsXINpFdPenmYDiQsxU2KIVPqjP8n3QG6FEJirYoZmA6A80qkEMwu5oviw bnL8QXUgiqr4f9magjw7jwoaMWdTtdQ6mGWFqC1IjIuiLmQVsMQ173458RydOmeKc4gA PDmD8IBJvceHgbHfUde31bOU2s190jdyHaZ1+eFnUIedEG6s+pje6XKMtUSBpf12PwpP W1eF0C3iwT+gbe1WtYO4j1VLNY2hFpafGt7sJZvdJDA2IXVyTZY4jNruhFxOk8JbHup6 4s8Q== X-Gm-Message-State: AOJu0YyrypvwgjSHAtVnWZmMkwT8BLkWenvjdsff9q8Ull+4NJa1PUxv EJHsEcHudIHs9jdj1PA2sFVvwX5t/aQ= X-Google-Smtp-Source: AGHT+IFmF5ZwhCwtoBor82yht0A5USJSWK7SsYIyaaWm/OF+4tzsyc+/utBW6+3n9Q5KvNI09wGebpE0VAk= X-Received: from titusr.c.googlers.com ([fda3:e722:ac3:cc00:14:4d90:c0a8:22b8]) (user=titusr job=sendgmr) by 2002:a81:92c4:0:b0:57a:118a:f31 with SMTP id j187-20020a8192c4000000b0057a118a0f31mr220754ywg.7.1698084546023; Mon, 23 Oct 2023 11:09:06 -0700 (PDT) Date: Mon, 23 Oct 2023 18:08:33 +0000 In-Reply-To: <20231023180837.91785-1-titusr@google.com> Mime-Version: 1.0 References: <20231023180837.91785-1-titusr@google.com> X-Mailer: git-send-email 2.42.0.758.gaed0368e0e-goog Message-ID: <20231023180837.91785-5-titusr@google.com> Subject: [PATCH v3 4/8] hw/i2c: pmbus: add VCAP register From: Titus Rwantare To: qemu-arm@nongnu.org, qemu-devel@nongnu.org, minyard@acm.org, philmd@linaro.org Cc: Titus Rwantare , Benjamin Streb Received-SPF: pass client-ip=2607:f8b0:4864:20::1149; envelope-from=3wrY2ZQYKCjsqfqrpodlldib.Zljnbjr-absbiklkdkr.lod@flex--titusr.bounces.google.com; helo=mail-yw1-x1149.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, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org VCAP is a register for devices with energy storage capacitors. Reviewed-by: Benjamin Streb Signed-off-by: Titus Rwantare --- hw/i2c/pmbus_device.c | 8 ++++++++ include/hw/i2c/pmbus_device.h | 1 + 2 files changed, 9 insertions(+) diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c index c1d8c93056..3bce39e84e 100644 --- a/hw/i2c/pmbus_device.c +++ b/hw/i2c/pmbus_device.c @@ -906,6 +906,14 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd) } break; + case PMBUS_READ_VCAP: /* Read-Only word */ + if (pmdev->pages[index].page_flags & PB_HAS_VCAP) { + pmbus_send16(pmdev, pmdev->pages[index].read_vcap); + } else { + goto passthough; + } + break; + case PMBUS_READ_VOUT: /* Read-Only word */ if (pmdev->pages[index].page_flags & PB_HAS_VOUT) { pmbus_send16(pmdev, pmdev->pages[index].read_vout); diff --git a/include/hw/i2c/pmbus_device.h b/include/hw/i2c/pmbus_device.h index ad431bdc7c..f195c11384 100644 --- a/include/hw/i2c/pmbus_device.h +++ b/include/hw/i2c/pmbus_device.h @@ -243,6 +243,7 @@ OBJECT_DECLARE_TYPE(PMBusDevice, PMBusDeviceClass, #define PB_HAS_VIN_RATING BIT_ULL(13) #define PB_HAS_VOUT_RATING BIT_ULL(14) #define PB_HAS_VOUT_MODE BIT_ULL(15) +#define PB_HAS_VCAP BIT_ULL(16) #define PB_HAS_IOUT BIT_ULL(21) #define PB_HAS_IIN BIT_ULL(22) #define PB_HAS_IOUT_RATING BIT_ULL(23) From patchwork Mon Oct 23 18:08:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Titus Rwantare X-Patchwork-Id: 1853940 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20230601 header.b=bkpgKwKf; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SDjtZ4nzzz23jn for ; Tue, 24 Oct 2023 05:11:18 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1quzMX-0005RM-Uw; Mon, 23 Oct 2023 14:09:13 -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 <3wrY2ZQYKCjsqfqrpodlldib.Zljnbjr-absbiklkdkr.lod@flex--titusr.bounces.google.com>) id 1quzMU-0005OW-3m for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:10 -0400 Received: from mail-yw1-x114a.google.com ([2607:f8b0:4864:20::114a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <3wrY2ZQYKCjsqfqrpodlldib.Zljnbjr-absbiklkdkr.lod@flex--titusr.bounces.google.com>) id 1quzMR-0006yu-OD for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:09 -0400 Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-5a7ba10cb90so51181177b3.3 for ; Mon, 23 Oct 2023 11:09:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1698084547; x=1698689347; 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=pMUhOWgIv4TqxALDqvCHn+orcFHtyhFj1Pqo7bh95SQ=; b=bkpgKwKfIKTptYeWzam4PN1XgALNFwz5i4rRkGWaL1qnV+ZeO2Mc/Vot6wOGGgnFMH tQ5g0fh6heLyfclpl+zV27irgkTRQZbZ8lW++7vfbCtruX6GYe2AlzugSm+Y2XKEcxAo Dz+/c1Z6gv7/YrHJpSUcxfZU6kdWeh/QMAQlo4CCRIW/jWZugJhr3BrRUyDmLupNoZF7 OKeIrpee18MfwWW/DTxeMfa8UEnpp7gV7qquDpaeCPpKg22Rjt3z3KjBE6ur8Shk/gza vm2KIdPqCyFbe+/grOLxsln2mccAU4B6ryHLUh2YKXT6HrtDJHOc78VKCnKLUSwTbOvP pPbQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698084547; x=1698689347; 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=pMUhOWgIv4TqxALDqvCHn+orcFHtyhFj1Pqo7bh95SQ=; b=fbmA95iO/j/KiKf91zeN3D9VtXF/FQvnvirGDOultfRloCnE+PA6JvjVfKDNehmcWl Z383nglmDyE+FjXXrjWZ0n0NIb/sEV6LypStcl5aOkWrblwMBtZCtnsZHAzK2QoLWoLK lJXXJtAsUAW4AWbGjUgoGP3kXQNf+vpnGfQ0yns0kBCKUDim98Gn1w0p5UB4nuz8XpwL D+Ode6enhekbox7FEioy5jzMiYbR7XhCQRDcjQnsxtwXMDE71PRM5Y8JeoLff/QTTPbj f0zZ3LEz/0R7svbBcdFL1M/aYoKV42a2dbn2PzNZHRGxQVsJXLSKllO0D/tzMU8Cn5RX FF4Q== X-Gm-Message-State: AOJu0Yy4KnhYISzGG55tdVMoRecuFzqV4xQ2Rod9AoCBF2NPAsRaZZgd wSUXwVvBnKCS2z+rtxxMCrIZiMkWkxg= X-Google-Smtp-Source: AGHT+IGVlaY7xs2tJuht82zxHJntTHYJn+VFBxv/FgdCTTigwAL+ZmHLtCYdJv+Wm/xaGruy0A3NVzlltdo= X-Received: from titusr.c.googlers.com ([fda3:e722:ac3:cc00:14:4d90:c0a8:22b8]) (user=titusr job=sendgmr) by 2002:a0d:d685:0:b0:5a1:d0cf:b65d with SMTP id y127-20020a0dd685000000b005a1d0cfb65dmr243883ywd.5.1698084546945; Mon, 23 Oct 2023 11:09:06 -0700 (PDT) Date: Mon, 23 Oct 2023 18:08:34 +0000 In-Reply-To: <20231023180837.91785-1-titusr@google.com> Mime-Version: 1.0 References: <20231023180837.91785-1-titusr@google.com> X-Mailer: git-send-email 2.42.0.758.gaed0368e0e-goog Message-ID: <20231023180837.91785-6-titusr@google.com> Subject: [PATCH v3 5/8] hw/sensor: add ADM1266 device model From: Titus Rwantare To: qemu-arm@nongnu.org, qemu-devel@nongnu.org, minyard@acm.org, philmd@linaro.org Cc: Titus Rwantare , Hao Wu Received-SPF: pass client-ip=2607:f8b0:4864:20::114a; envelope-from=3wrY2ZQYKCjsqfqrpodlldib.Zljnbjr-absbiklkdkr.lod@flex--titusr.bounces.google.com; helo=mail-yw1-x114a.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, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The ADM1266 is a cascadable super sequencer with margin control and fault recording. This commit adds basic support for its PMBus commands and models the identification registers that can be modified in a firmware update. Reviewed-by: Hao Wu Signed-off-by: Titus Rwantare --- hw/arm/Kconfig | 1 + hw/sensor/Kconfig | 5 + hw/sensor/adm1266.c | 254 ++++++++++++++++++++++++++++++++++++++++++ hw/sensor/meson.build | 1 + 4 files changed, 261 insertions(+) create mode 100644 hw/sensor/adm1266.c diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index 7e68348440..b1e8c0e2ac 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -488,6 +488,7 @@ config NPCM7XX default y depends on TCG && ARM select A9MPCORE + select ADM1266 select ADM1272 select ARM_GIC select SMBUS diff --git a/hw/sensor/Kconfig b/hw/sensor/Kconfig index e03bd09b50..bc6331b4ab 100644 --- a/hw/sensor/Kconfig +++ b/hw/sensor/Kconfig @@ -22,6 +22,11 @@ config ADM1272 bool depends on I2C +config ADM1266 + bool + depends on PMBUS + default y if PMBUS + config MAX34451 bool depends on I2C diff --git a/hw/sensor/adm1266.c b/hw/sensor/adm1266.c new file mode 100644 index 0000000000..5ae4f82ba1 --- /dev/null +++ b/hw/sensor/adm1266.c @@ -0,0 +1,254 @@ +/* + * Analog Devices ADM1266 Cascadable Super Sequencer with Margin Control and + * Fault Recording with PMBus + * + * https://www.analog.com/media/en/technical-documentation/data-sheets/adm1266.pdf + * + * Copyright 2023 Google LLC + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "hw/i2c/pmbus_device.h" +#include "hw/irq.h" +#include "migration/vmstate.h" +#include "qapi/error.h" +#include "qapi/visitor.h" +#include "qemu/log.h" +#include "qemu/module.h" + +#define TYPE_ADM1266 "adm1266" +OBJECT_DECLARE_SIMPLE_TYPE(ADM1266State, ADM1266) + +#define ADM1266_BLACKBOX_CONFIG 0xD3 +#define ADM1266_PDIO_CONFIG 0xD4 +#define ADM1266_READ_STATE 0xD9 +#define ADM1266_READ_BLACKBOX 0xDE +#define ADM1266_SET_RTC 0xDF +#define ADM1266_GPIO_SYNC_CONFIGURATION 0xE1 +#define ADM1266_BLACKBOX_INFORMATION 0xE6 +#define ADM1266_PDIO_STATUS 0xE9 +#define ADM1266_GPIO_STATUS 0xEA + +/* Defaults */ +#define ADM1266_OPERATION_DEFAULT 0x80 +#define ADM1266_CAPABILITY_DEFAULT 0xA0 +#define ADM1266_CAPABILITY_NO_PEC 0x20 +#define ADM1266_PMBUS_REVISION_DEFAULT 0x22 +#define ADM1266_MFR_ID_DEFAULT "ADI" +#define ADM1266_MFR_ID_DEFAULT_LEN 32 +#define ADM1266_MFR_MODEL_DEFAULT "ADM1266-A1" +#define ADM1266_MFR_MODEL_DEFAULT_LEN 32 +#define ADM1266_MFR_REVISION_DEFAULT "25" +#define ADM1266_MFR_REVISION_DEFAULT_LEN 8 + +#define ADM1266_NUM_PAGES 17 +/** + * PAGE Index + * Page 0 VH1. + * Page 1 VH2. + * Page 2 VH3. + * Page 3 VH4. + * Page 4 VP1. + * Page 5 VP2. + * Page 6 VP3. + * Page 7 VP4. + * Page 8 VP5. + * Page 9 VP6. + * Page 10 VP7. + * Page 11 VP8. + * Page 12 VP9. + * Page 13 VP10. + * Page 14 VP11. + * Page 15 VP12. + * Page 16 VP13. + */ +typedef struct ADM1266State { + PMBusDevice parent; + + char mfr_id[32]; + char mfr_model[32]; + char mfr_rev[8]; +} ADM1266State; + +static const uint8_t adm1266_ic_device_id[] = {0x03, 0x41, 0x12, 0x66}; +static const uint8_t adm1266_ic_device_rev[] = {0x08, 0x01, 0x08, 0x07, 0x0, + 0x0, 0x07, 0x41, 0x30}; + +static void adm1266_exit_reset(Object *obj) +{ + ADM1266State *s = ADM1266(obj); + PMBusDevice *pmdev = PMBUS_DEVICE(obj); + + pmdev->page = 0; + pmdev->capability = ADM1266_CAPABILITY_NO_PEC; + + for (int i = 0; i < ADM1266_NUM_PAGES; i++) { + pmdev->pages[i].operation = ADM1266_OPERATION_DEFAULT; + pmdev->pages[i].revision = ADM1266_PMBUS_REVISION_DEFAULT; + pmdev->pages[i].vout_mode = 0; + pmdev->pages[i].read_vout = pmbus_data2linear_mode(12, 0); + pmdev->pages[i].vout_margin_high = pmbus_data2linear_mode(15, 0); + pmdev->pages[i].vout_margin_low = pmbus_data2linear_mode(3, 0); + pmdev->pages[i].vout_ov_fault_limit = pmbus_data2linear_mode(16, 0); + pmdev->pages[i].revision = ADM1266_PMBUS_REVISION_DEFAULT; + } + + strncpy(s->mfr_id, ADM1266_MFR_ID_DEFAULT, 4); + strncpy(s->mfr_model, ADM1266_MFR_MODEL_DEFAULT, 11); + strncpy(s->mfr_rev, ADM1266_MFR_REVISION_DEFAULT, 3); +} + +static uint8_t adm1266_read_byte(PMBusDevice *pmdev) +{ + ADM1266State *s = ADM1266(pmdev); + + switch (pmdev->code) { + case PMBUS_MFR_ID: /* R/W block */ + pmbus_send_string(pmdev, s->mfr_id); + break; + + case PMBUS_MFR_MODEL: /* R/W block */ + pmbus_send_string(pmdev, s->mfr_model); + break; + + case PMBUS_MFR_REVISION: /* R/W block */ + pmbus_send_string(pmdev, s->mfr_rev); + break; + + case PMBUS_IC_DEVICE_ID: + pmbus_send(pmdev, adm1266_ic_device_id, sizeof(adm1266_ic_device_id)); + break; + + case PMBUS_IC_DEVICE_REV: + pmbus_send(pmdev, adm1266_ic_device_rev, sizeof(adm1266_ic_device_rev)); + break; + + default: + qemu_log_mask(LOG_UNIMP, + "%s: reading from unimplemented register: 0x%02x\n", + __func__, pmdev->code); + return 0xFF; + } + + return 0; +} + +static int adm1266_write_data(PMBusDevice *pmdev, const uint8_t *buf, + uint8_t len) +{ + ADM1266State *s = ADM1266(pmdev); + + switch (pmdev->code) { + case PMBUS_MFR_ID: /* R/W block */ + pmbus_receive_block(pmdev, (uint8_t *)s->mfr_id, sizeof(s->mfr_id)); + break; + + case PMBUS_MFR_MODEL: /* R/W block */ + pmbus_receive_block(pmdev, (uint8_t *)s->mfr_model, + sizeof(s->mfr_model)); + break; + + case PMBUS_MFR_REVISION: /* R/W block*/ + pmbus_receive_block(pmdev, (uint8_t *)s->mfr_rev, sizeof(s->mfr_rev)); + break; + + case ADM1266_SET_RTC: /* do nothing */ + break; + + default: + qemu_log_mask(LOG_UNIMP, + "%s: writing to unimplemented register: 0x%02x\n", + __func__, pmdev->code); + break; + } + return 0; +} + +static void adm1266_get(Object *obj, Visitor *v, const char *name, void *opaque, + Error **errp) +{ + uint16_t value; + PMBusDevice *pmdev = PMBUS_DEVICE(obj); + PMBusVoutMode *mode = (PMBusVoutMode *)&pmdev->pages[0].vout_mode; + + if (strcmp(name, "vout") == 0) { + value = pmbus_linear_mode2data(*(uint16_t *)opaque, mode->exp); + } else { + value = *(uint16_t *)opaque; + } + + visit_type_uint16(v, name, &value, errp); +} + +static void adm1266_set(Object *obj, Visitor *v, const char *name, void *opaque, + Error **errp) +{ + uint16_t *internal = opaque; + uint16_t value; + PMBusDevice *pmdev = PMBUS_DEVICE(obj); + PMBusVoutMode *mode = (PMBusVoutMode *)&pmdev->pages[0].vout_mode; + + if (!visit_type_uint16(v, name, &value, errp)) { + return; + } + + *internal = pmbus_data2linear_mode(value, mode->exp); + pmbus_check_limits(pmdev); +} + +static const VMStateDescription vmstate_adm1266 = { + .name = "ADM1266", + .version_id = 0, + .minimum_version_id = 0, + .fields = (VMStateField[]){ + VMSTATE_PMBUS_DEVICE(parent, ADM1266State), + VMSTATE_END_OF_LIST() + } +}; + +static void adm1266_init(Object *obj) +{ + PMBusDevice *pmdev = PMBUS_DEVICE(obj); + uint64_t flags = PB_HAS_VOUT_MODE | PB_HAS_VOUT | PB_HAS_VOUT_MARGIN | + PB_HAS_VOUT_RATING | PB_HAS_STATUS_MFR_SPECIFIC; + + for (int i = 0; i < ADM1266_NUM_PAGES; i++) { + pmbus_page_config(pmdev, i, flags); + + object_property_add(obj, "vout[*]", "uint16", + adm1266_get, + adm1266_set, NULL, &pmdev->pages[i].read_vout); + } +} + +static void adm1266_class_init(ObjectClass *klass, void *data) +{ + ResettableClass *rc = RESETTABLE_CLASS(klass); + DeviceClass *dc = DEVICE_CLASS(klass); + PMBusDeviceClass *k = PMBUS_DEVICE_CLASS(klass); + + dc->desc = "Analog Devices ADM1266 Hot Swap controller"; + dc->vmsd = &vmstate_adm1266; + k->write_data = adm1266_write_data; + k->receive_byte = adm1266_read_byte; + k->device_num_pages = 17; + + rc->phases.exit = adm1266_exit_reset; +} + +static const TypeInfo adm1266_info = { + .name = TYPE_ADM1266, + .parent = TYPE_PMBUS_DEVICE, + .instance_size = sizeof(ADM1266State), + .instance_init = adm1266_init, + .class_init = adm1266_class_init, +}; + +static void adm1266_register_types(void) +{ + type_register_static(&adm1266_info); +} + +type_init(adm1266_register_types) diff --git a/hw/sensor/meson.build b/hw/sensor/meson.build index 30e20e27b8..420fdc3359 100644 --- a/hw/sensor/meson.build +++ b/hw/sensor/meson.build @@ -2,6 +2,7 @@ system_ss.add(when: 'CONFIG_TMP105', if_true: files('tmp105.c')) system_ss.add(when: 'CONFIG_TMP421', if_true: files('tmp421.c')) system_ss.add(when: 'CONFIG_DPS310', if_true: files('dps310.c')) system_ss.add(when: 'CONFIG_EMC141X', if_true: files('emc141x.c')) +system_ss.add(when: 'CONFIG_ADM1266', if_true: files('adm1266.c')) system_ss.add(when: 'CONFIG_ADM1272', if_true: files('adm1272.c')) system_ss.add(when: 'CONFIG_MAX34451', if_true: files('max34451.c')) system_ss.add(when: 'CONFIG_LSM303DLHC_MAG', if_true: files('lsm303dlhc_mag.c')) From patchwork Mon Oct 23 18:08:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Titus Rwantare X-Patchwork-Id: 1853938 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20230601 header.b=GJzJQ1cg; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SDjsM1V39z23jq for ; Tue, 24 Oct 2023 05:10:15 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1quzMY-0005Ta-Pb; Mon, 23 Oct 2023 14:09:14 -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 <3w7Y2ZQYKCjwrgrsqpemmejc.amkocks-bctcjlmlels.mpe@flex--titusr.bounces.google.com>) id 1quzMV-0005P8-5w for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:11 -0400 Received: from mail-yb1-xb49.google.com ([2607:f8b0:4864:20::b49]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <3w7Y2ZQYKCjwrgrsqpemmejc.amkocks-bctcjlmlels.mpe@flex--titusr.bounces.google.com>) id 1quzMT-0006zY-GB for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:10 -0400 Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-d9ab79816a9so4478588276.3 for ; Mon, 23 Oct 2023 11:09:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1698084548; x=1698689348; 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=AUxKt9rtkmU1sqptr4+quXh18WPX97kjAYR5TXil24M=; b=GJzJQ1cg8SjP8XJsVV6F+6Foz1HsmxGK24C1YL4WjLoQkL28M/TcO+YaeNBiLcP22Y 1QDOJ2OoLOUCcwYbWNAVj5UdqT8VS6yptrQk2ZbzCVHMHdFuO3zYJ5tGMBMehByGPpx4 +b/8x+McnxpzJpOb2nQAX3en0OPWEZmcinFjYMGMv6wZiOPSFG93z2X7q0Nc/kDoOJBT zHcZ2pkooBXgL60mWir7AbA2WfOksXIVpA4O7KnbfdNnAMy2sr0iS6/3HvNxIlQU9rbv 2i5aejMFAXnbfpTFAzuMdlTZwP7+kQ/Uy3DWkWrGSX5cxZgoChkvJ95tS1WGAlSu05z6 xuag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698084548; x=1698689348; 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=AUxKt9rtkmU1sqptr4+quXh18WPX97kjAYR5TXil24M=; b=SG+cYbv1ZsPOFjnNWsaI6QTpXzJZUoQIytqP3smKLOO0nOwBF8nVVU/UUtUEplStgk MexO6fwpbCkVq5s3KL6+nIVPremGsYsRTozlLag1CkD0NAISVqqp7TvsI7De9Iej5CuJ vlVV2wiKuHHogavz6u/WMS2xXBWS+eIguBn4sa6bLHztUNoL5nSYklQxBZNulF8/MwWr V2pB1cN0znPaA6d9+VHmSRETwqgPFIJ7ySGycin+gXwU2KBiEu1xLEauY40NjXAaz8ME EvW3LBjEyw08/P+5l1D/4FF3rYSGTZnTXc5Ymx8jDPIpln93BkLALjax8ZVtoOjQXiWx UFaA== X-Gm-Message-State: AOJu0YzcaVUs2h/U9chodHNkFj9gOaic98yZtVripbOZKJwIs3FhQfr5 V1GPz8lPcywmdqvIFowbbcDdWuNetxY= X-Google-Smtp-Source: AGHT+IFafbHdDAHyDtluZF5eB9zq7QRQjIFTIIBbpHSy2yt6NsMLGoiZolqAAlaN/ijJtmGgTlQ2+H5unxQ= X-Received: from titusr.c.googlers.com ([fda3:e722:ac3:cc00:14:4d90:c0a8:22b8]) (user=titusr job=sendgmr) by 2002:a05:6902:544:b0:d13:856b:c10a with SMTP id z4-20020a056902054400b00d13856bc10amr218662ybs.3.1698084547762; Mon, 23 Oct 2023 11:09:07 -0700 (PDT) Date: Mon, 23 Oct 2023 18:08:35 +0000 In-Reply-To: <20231023180837.91785-1-titusr@google.com> Mime-Version: 1.0 References: <20231023180837.91785-1-titusr@google.com> X-Mailer: git-send-email 2.42.0.758.gaed0368e0e-goog Message-ID: <20231023180837.91785-7-titusr@google.com> Subject: [PATCH v3 6/8] tests/qtest: add tests for ADM1266 From: Titus Rwantare To: qemu-arm@nongnu.org, qemu-devel@nongnu.org, minyard@acm.org, philmd@linaro.org Cc: Titus Rwantare , Hao Wu Received-SPF: pass client-ip=2607:f8b0:4864:20::b49; envelope-from=3w7Y2ZQYKCjwrgrsqpemmejc.amkocks-bctcjlmlels.mpe@flex--titusr.bounces.google.com; helo=mail-yb1-xb49.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, USER_IN_DEF_DKIM_WL=-7.5 autolearn=unavailable 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The ADM1266 can have string fields written by the driver, so it's worth specifically testing. Reviewed-by: Hao Wu Signed-off-by: Titus Rwantare --- tests/qtest/adm1266-test.c | 123 +++++++++++++++++++++++++++++++++++++ tests/qtest/meson.build | 1 + 2 files changed, 124 insertions(+) create mode 100644 tests/qtest/adm1266-test.c diff --git a/tests/qtest/adm1266-test.c b/tests/qtest/adm1266-test.c new file mode 100644 index 0000000000..6431a21de6 --- /dev/null +++ b/tests/qtest/adm1266-test.c @@ -0,0 +1,123 @@ +/* + * Analog Devices ADM1266 Cascadable Super Sequencer with Margin Control and + * Fault Recording with PMBus + * + * Copyright 2022 Google LLC + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include +#include "hw/i2c/pmbus_device.h" +#include "libqtest-single.h" +#include "libqos/qgraph.h" +#include "libqos/i2c.h" +#include "qapi/qmp/qdict.h" +#include "qapi/qmp/qnum.h" +#include "qemu/bitops.h" + +#define TEST_ID "adm1266-test" +#define TEST_ADDR (0x12) + +#define ADM1266_BLACKBOX_CONFIG 0xD3 +#define ADM1266_PDIO_CONFIG 0xD4 +#define ADM1266_READ_STATE 0xD9 +#define ADM1266_READ_BLACKBOX 0xDE +#define ADM1266_SET_RTC 0xDF +#define ADM1266_GPIO_SYNC_CONFIGURATION 0xE1 +#define ADM1266_BLACKBOX_INFORMATION 0xE6 +#define ADM1266_PDIO_STATUS 0xE9 +#define ADM1266_GPIO_STATUS 0xEA + +/* Defaults */ +#define ADM1266_OPERATION_DEFAULT 0x80 +#define ADM1266_CAPABILITY_DEFAULT 0xA0 +#define ADM1266_CAPABILITY_NO_PEC 0x20 +#define ADM1266_PMBUS_REVISION_DEFAULT 0x22 +#define ADM1266_MFR_ID_DEFAULT "ADI" +#define ADM1266_MFR_ID_DEFAULT_LEN 32 +#define ADM1266_MFR_MODEL_DEFAULT "ADM1266-A1" +#define ADM1266_MFR_MODEL_DEFAULT_LEN 32 +#define ADM1266_MFR_REVISION_DEFAULT "25" +#define ADM1266_MFR_REVISION_DEFAULT_LEN 8 +#define TEST_STRING_A "a sample" +#define TEST_STRING_B "b sample" +#define TEST_STRING_C "rev c" + +static void compare_string(QI2CDevice *i2cdev, uint8_t reg, + const char *test_str) +{ + uint8_t len = i2c_get8(i2cdev, reg); + char i2c_str[SMBUS_DATA_MAX_LEN] = {0}; + + i2c_read_block(i2cdev, reg, (uint8_t *)i2c_str, len); + g_assert_cmpstr(i2c_str, ==, test_str); +} + +static void write_and_compare_string(QI2CDevice *i2cdev, uint8_t reg, + const char *test_str, uint8_t len) +{ + char buf[SMBUS_DATA_MAX_LEN] = {0}; + buf[0] = len; + strncpy(buf + 1, test_str, len); + i2c_write_block(i2cdev, reg, (uint8_t *)buf, len + 1); + compare_string(i2cdev, reg, test_str); +} + +static void test_defaults(void *obj, void *data, QGuestAllocator *alloc) +{ + uint16_t i2c_value; + QI2CDevice *i2cdev = (QI2CDevice *)obj; + + i2c_value = i2c_get8(i2cdev, PMBUS_OPERATION); + g_assert_cmphex(i2c_value, ==, ADM1266_OPERATION_DEFAULT); + + i2c_value = i2c_get8(i2cdev, PMBUS_REVISION); + g_assert_cmphex(i2c_value, ==, ADM1266_PMBUS_REVISION_DEFAULT); + + compare_string(i2cdev, PMBUS_MFR_ID, ADM1266_MFR_ID_DEFAULT); + compare_string(i2cdev, PMBUS_MFR_MODEL, ADM1266_MFR_MODEL_DEFAULT); + compare_string(i2cdev, PMBUS_MFR_REVISION, ADM1266_MFR_REVISION_DEFAULT); +} + +/* test r/w registers */ +static void test_rw_regs(void *obj, void *data, QGuestAllocator *alloc) +{ + QI2CDevice *i2cdev = (QI2CDevice *)obj; + + /* empty strings */ + i2c_set8(i2cdev, PMBUS_MFR_ID, 0); + compare_string(i2cdev, PMBUS_MFR_ID, ""); + + i2c_set8(i2cdev, PMBUS_MFR_MODEL, 0); + compare_string(i2cdev, PMBUS_MFR_MODEL, ""); + + i2c_set8(i2cdev, PMBUS_MFR_REVISION, 0); + compare_string(i2cdev, PMBUS_MFR_REVISION, ""); + + /* test strings */ + write_and_compare_string(i2cdev, PMBUS_MFR_ID, TEST_STRING_A, + sizeof(TEST_STRING_A)); + write_and_compare_string(i2cdev, PMBUS_MFR_ID, TEST_STRING_B, + sizeof(TEST_STRING_B)); + write_and_compare_string(i2cdev, PMBUS_MFR_ID, TEST_STRING_C, + sizeof(TEST_STRING_C)); +} + +static void adm1266_register_nodes(void) +{ + QOSGraphEdgeOptions opts = { + .extra_device_opts = "id=" TEST_ID ",address=0x12" + }; + add_qi2c_address(&opts, &(QI2CAddress) { TEST_ADDR }); + + qos_node_create_driver("adm1266", i2c_device_create); + qos_node_consumes("adm1266", "i2c-bus", &opts); + + qos_add_test("test_defaults", "adm1266", test_defaults, NULL); + qos_add_test("test_rw_regs", "adm1266", test_rw_regs, NULL); +} + +libqos_init(adm1266_register_nodes); + diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index d6022ebd64..7899537e78 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -241,6 +241,7 @@ qos_test_ss = ss.source_set() qos_test_ss.add( 'ac97-test.c', 'adm1272-test.c', + 'adm1266-test.c', 'ds1338-test.c', 'e1000-test.c', 'eepro100-test.c', From patchwork Mon Oct 23 18:08:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Titus Rwantare X-Patchwork-Id: 1853941 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20230601 header.b=1KbHF9DC; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SDjtb5vFwz23jq for ; Tue, 24 Oct 2023 05:11:19 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1quzMX-0005QU-3j; Mon, 23 Oct 2023 14:09:13 -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 <3xLY2ZQYKCj0shstrqfnnfkd.bnlpdlt-cdudkmnmfmt.nqf@flex--titusr.bounces.google.com>) id 1quzMV-0005PK-96 for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:11 -0400 Received: from mail-yw1-x1149.google.com ([2607:f8b0:4864:20::1149]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <3xLY2ZQYKCj0shstrqfnnfkd.bnlpdlt-cdudkmnmfmt.nqf@flex--titusr.bounces.google.com>) id 1quzMT-000700-Pq for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:11 -0400 Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-5a7c97d5d5aso51131057b3.3 for ; Mon, 23 Oct 2023 11:09:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1698084548; x=1698689348; 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=X8ppsMvh/1xNcNQO771azU3b29zpBvKMbcZRVkj/3Zw=; b=1KbHF9DCw6uQoXWT41IMraAkueuAzp4C25/48q1LyzLuZn36Fd6PMmvjZwGfkt2mnq 4oSPy0VDW5cyTZVX8B940SoQdNqrBLxDvMyhG37GUlBAAFM1BbilTzAvDfqBaA/zg0uU 8BrjMEj2HR3iZJbOCn5PhTjIEREUpjh5b0bb6+HCX+XCixaRwad8PQYWBq6hOiTRHtJ9 PLz/Ms6CuhvTf1ivV/x5Qb2y1DjGA5QRtvkhGWJehUIZLdn3Yf5nDFp5GZY0pU7WCS9E XChJFdcAGQjkltgYq6Q57H9YQRPmqxXdYm8hxkUwKVfubfvjxpgs6Xb7fGLEHOWcmlDF hXjA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698084548; x=1698689348; 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=X8ppsMvh/1xNcNQO771azU3b29zpBvKMbcZRVkj/3Zw=; b=S0g6gcseNY4YspJ5uaT1O3bylczjSo4W0HPVe95TwgmEqMsbrFztDgb5DqBk+PqdIc gIZysiwRlCk59xBvqgDBQac31lWb09QuRDbJeiIUhK8YqhLmPTWmX4FfYSI81ORhsrYk vOM432UmvRg3WyS5y5gisHSiF6hp1CpeRqsw0IjQ59RgpvmzA1z8UhJzLWgsWZAfMgpl Ktr1GzUjNCeDngAYjSqOgny0JpIWYsn9auzrOJGZ8CYOHWEqvhvExH6SFXOOamQ75ncs 3FT2/bWHHvONKwqUuClH36wQuIv2x/ir2i9/gPM6RnHh79s3gMbSd4ycBQDIILut8mEZ M7oA== X-Gm-Message-State: AOJu0YztZ9sVSARC7F9GcvyVt6RSJ1EjPHl9yUJ0PxkBT4JbI5m1ORFC RaEvJDFwbZi/IOfB29/SRMiO4P1Zz6E= X-Google-Smtp-Source: AGHT+IHm70UmN1cCl5f/TrbhLMtBD23e0l3S94nMgRzBqiI8LfCWtDgwlJdnAX0uAeABr0aUrhOGmePvIRs= X-Received: from titusr.c.googlers.com ([fda3:e722:ac3:cc00:14:4d90:c0a8:22b8]) (user=titusr job=sendgmr) by 2002:a0d:dfc3:0:b0:5a8:28e5:ca68 with SMTP id i186-20020a0ddfc3000000b005a828e5ca68mr224325ywe.5.1698084548530; Mon, 23 Oct 2023 11:09:08 -0700 (PDT) Date: Mon, 23 Oct 2023 18:08:36 +0000 In-Reply-To: <20231023180837.91785-1-titusr@google.com> Mime-Version: 1.0 References: <20231023180837.91785-1-titusr@google.com> X-Mailer: git-send-email 2.42.0.758.gaed0368e0e-goog Message-ID: <20231023180837.91785-8-titusr@google.com> Subject: [PATCH v3 7/8] hw/i2c: pmbus: immediately clear faults on request From: Titus Rwantare To: qemu-arm@nongnu.org, qemu-devel@nongnu.org, minyard@acm.org, philmd@linaro.org Cc: Titus Rwantare , Patrick Venture Received-SPF: pass client-ip=2607:f8b0:4864:20::1149; envelope-from=3xLY2ZQYKCj0shstrqfnnfkd.bnlpdlt-cdudkmnmfmt.nqf@flex--titusr.bounces.google.com; helo=mail-yw1-x1149.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, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The probing process of the generic pmbus driver generates faults to determine if functions are available. These faults were not always cleared resulting in probe failures. Signed-off-by: Titus Rwantare Reviewed-by: Patrick Venture --- hw/i2c/pmbus_device.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c index 3bce39e84e..481e158380 100644 --- a/hw/i2c/pmbus_device.c +++ b/hw/i2c/pmbus_device.c @@ -1244,6 +1244,11 @@ static int pmbus_write_data(SMBusDevice *smd, uint8_t *buf, uint8_t len) pmdev->in_buf = buf; pmdev->code = buf[0]; /* PMBus command code */ + + if (pmdev->code == PMBUS_CLEAR_FAULTS) { + pmbus_clear_faults(pmdev); + } + if (len == 1) { /* Single length writes are command codes only */ return 0; } From patchwork Mon Oct 23 18:08:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Titus Rwantare X-Patchwork-Id: 1853937 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20230601 header.b=VTlrvUwX; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SDjsL6kB7z23jn for ; Tue, 24 Oct 2023 05:10:14 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1quzMY-0005TK-Kj; Mon, 23 Oct 2023 14:09:14 -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 <3xbY2ZQYKCj4ynyzxwlttlqj.htrvjrz-ij0jqstslsz.twl@flex--titusr.bounces.google.com>) id 1quzMW-0005QB-Dr for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:12 -0400 Received: from mail-yw1-x114a.google.com ([2607:f8b0:4864:20::114a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <3xbY2ZQYKCj4ynyzxwlttlqj.htrvjrz-ij0jqstslsz.twl@flex--titusr.bounces.google.com>) id 1quzMU-00071E-Ec for qemu-devel@nongnu.org; Mon, 23 Oct 2023 14:09:12 -0400 Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-5a8ebc70d33so45190887b3.1 for ; Mon, 23 Oct 2023 11:09:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1698084549; x=1698689349; 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=tr6BqDILaxbn7Hhg/79zBHPldU+oVgC3RO+BYZpqcOE=; b=VTlrvUwXsUqvjPovrdpyyAJqSJKOI924WMtT0EDqGwHARrneLIXcxJ85AwESAmHnp5 d88It1kRr17K2NcT5td2+8PEFpygeHjVrrB6u7qE2Be6amZiwl0Q/d8b3mqEH4RmUe8/ wx8XQ346fnWA3nWugDjPb1ayAFGDFB+mtu2f3A+U15jL8enTvgzQpBI7oWI2GaCWfKp7 tfWOunO8yzZfXTF58L5iLvGu7cFPK/yPdHtLJ6Rjlvo4t+4vg8blqbkFr/77t/1mo7oU wjvuC1EDvul9s2Asg7BQVZ2cN2dZBmGrnWC9EQbMVcZQB9cCEUww4FKfP42MAcBPalOG CKLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698084549; x=1698689349; 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=tr6BqDILaxbn7Hhg/79zBHPldU+oVgC3RO+BYZpqcOE=; b=hRgSIXac0PZWIxTaTCUwYq7FzKiBjhZnEb+X2qt1+9M+06V4tEueonvHYlgbA5e05G /VotsToTYc4D1+okaWtQCK8tm4IstoAyjhMq4Ul/OST3vKspGFpX5NG5ANJRo5qakSWB p9sJTfIMfGnX8e+VQ4BmK3YjVkIDuaH9YOOZyiV1W1hWGcLmKLVTuJFRu74c2w0Huo8b 9dTesElc8S86wpoPMYlwdo+YGUsITYERHl3mGsv3o+Tf0InEjdbIlvcEXStMKHNWxn6P XlyHfemjDUVzWbjpwVfMpEDCsg9aubgTvzyAeIZaip5Bmaapwr4tiJl62TJiwr24f5Hu GxzQ== X-Gm-Message-State: AOJu0Yy7KGOi4CJGRT73cYdN9jxIg83I7Ts1dzcqaEfr0EYBLV9eA5Uh aYDOrohF77RD+vY2VpQJG19q0oP19hw= X-Google-Smtp-Source: AGHT+IFTGU2ylOZsJJs271UfERTgOcZotBMTZymeHbxZZpAw1sHjeo841WrsvwlBnAL0rw2GCjKpNHXGQYY= X-Received: from titusr.c.googlers.com ([fda3:e722:ac3:cc00:14:4d90:c0a8:22b8]) (user=titusr job=sendgmr) by 2002:a0d:d50f:0:b0:5a7:ba09:44b6 with SMTP id x15-20020a0dd50f000000b005a7ba0944b6mr213630ywd.0.1698084549313; Mon, 23 Oct 2023 11:09:09 -0700 (PDT) Date: Mon, 23 Oct 2023 18:08:37 +0000 In-Reply-To: <20231023180837.91785-1-titusr@google.com> Mime-Version: 1.0 References: <20231023180837.91785-1-titusr@google.com> X-Mailer: git-send-email 2.42.0.758.gaed0368e0e-goog Message-ID: <20231023180837.91785-9-titusr@google.com> Subject: [PATCH v3 8/8] hw/i2c: pmbus: reset page register for out of range reads From: Titus Rwantare To: qemu-arm@nongnu.org, qemu-devel@nongnu.org, minyard@acm.org, philmd@linaro.org Cc: Titus Rwantare , Hao Wu Received-SPF: pass client-ip=2607:f8b0:4864:20::114a; envelope-from=3xbY2ZQYKCj4ynyzxwlttlqj.htrvjrz-ij0jqstslsz.twl@flex--titusr.bounces.google.com; helo=mail-yw1-x114a.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, USER_IN_DEF_DKIM_WL=-7.5 autolearn=unavailable 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The linux pmbus driver scans all possible pages and does not reset the current page after the scan, making all future page reads fail as out of range on devices with a single page. This change resets out of range pages immediately on write. Also added a qtest for simultaneous writes to all pages. Signed-off-by: Titus Rwantare Reviewed-by: Hao Wu --- hw/i2c/pmbus_device.c | 18 +++++++++--------- tests/qtest/max34451-test.c | 24 ++++++++++++++++++++++++ 2 files changed, 33 insertions(+), 9 deletions(-) diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c index 481e158380..1b978e588f 100644 --- a/hw/i2c/pmbus_device.c +++ b/hw/i2c/pmbus_device.c @@ -1255,6 +1255,15 @@ static int pmbus_write_data(SMBusDevice *smd, uint8_t *buf, uint8_t len) if (pmdev->code == PMBUS_PAGE) { pmdev->page = pmbus_receive8(pmdev); + + if (pmdev->page > pmdev->num_pages - 1 && pmdev->page != PB_ALL_PAGES) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: page %u is out of range\n", + __func__, pmdev->page); + pmdev->page = 0; /* undefined behaviour - reset to page 0 */ + pmbus_cml_error(pmdev); + return PMBUS_ERR_BYTE; + } return 0; } @@ -1268,15 +1277,6 @@ static int pmbus_write_data(SMBusDevice *smd, uint8_t *buf, uint8_t len) return 0; } - if (pmdev->page > pmdev->num_pages - 1) { - qemu_log_mask(LOG_GUEST_ERROR, - "%s: page %u is out of range\n", - __func__, pmdev->page); - pmdev->page = 0; /* undefined behaviour - reset to page 0 */ - pmbus_cml_error(pmdev); - return PMBUS_ERR_BYTE; - } - index = pmdev->page; switch (pmdev->code) { diff --git a/tests/qtest/max34451-test.c b/tests/qtest/max34451-test.c index 0c98d0764c..dbf6ddc829 100644 --- a/tests/qtest/max34451-test.c +++ b/tests/qtest/max34451-test.c @@ -18,6 +18,7 @@ #define TEST_ID "max34451-test" #define TEST_ADDR (0x4e) +#define MAX34451_MFR_MODE 0xD1 #define MAX34451_MFR_VOUT_PEAK 0xD4 #define MAX34451_MFR_IOUT_PEAK 0xD5 #define MAX34451_MFR_TEMPERATURE_PEAK 0xD6 @@ -315,6 +316,28 @@ static void test_ot_faults(void *obj, void *data, QGuestAllocator *alloc) } } +#define RAND_ON_OFF_CONFIG 0x12 +#define RAND_MFR_MODE 0x3456 + +/* test writes to all pages */ +static void test_all_pages(void *obj, void *data, QGuestAllocator *alloc) +{ + uint16_t i2c_value; + QI2CDevice *i2cdev = (QI2CDevice *)obj; + + i2c_set8(i2cdev, PMBUS_PAGE, PB_ALL_PAGES); + i2c_set8(i2cdev, PMBUS_ON_OFF_CONFIG, RAND_ON_OFF_CONFIG); + max34451_i2c_set16(i2cdev, MAX34451_MFR_MODE, RAND_MFR_MODE); + + for (int i = 0; i < MAX34451_NUM_TEMP_DEVICES + MAX34451_NUM_PWR_DEVICES; + i++) { + i2c_value = i2c_get8(i2cdev, PMBUS_ON_OFF_CONFIG); + g_assert_cmphex(i2c_value, ==, RAND_ON_OFF_CONFIG); + i2c_value = max34451_i2c_get16(i2cdev, MAX34451_MFR_MODE); + g_assert_cmphex(i2c_value, ==, RAND_MFR_MODE); + } +} + static void max34451_register_nodes(void) { QOSGraphEdgeOptions opts = { @@ -332,5 +355,6 @@ static void max34451_register_nodes(void) qos_add_test("test_ro_regs", "max34451", test_ro_regs, NULL); qos_add_test("test_ov_faults", "max34451", test_ov_faults, NULL); qos_add_test("test_ot_faults", "max34451", test_ot_faults, NULL); + qos_add_test("test_all_pages", "max34451", test_all_pages, NULL); } libqos_init(max34451_register_nodes);