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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 E66E1C2BD05 for ; Thu, 20 Jun 2024 21:21:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9F79210E304; Thu, 20 Jun 2024 21:21:21 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="GnYHGJYb"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3704B10E181 for ; Thu, 20 Jun 2024 21:21:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1718918478; x=1750454478; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=o7pgEsl1M4jkRAL2OMPP8br1xBPkYV2QP+YAJ1OanhY=; b=GnYHGJYbHMkxKr2bRbbmu+pSctrcXVEpaBa8s9B7obGcVmg7m7S7OfZX HYbLFiPt7JLqXBrN/y5pEsvZnRvQA1qWLh3Vw2hCndavtfR1LGFQ49dhF SQdy+B+x3ZniZBJP1FhoEW4rFeikRndwzP9ClJM2IUDEs9akT72nHFLOg Z3vLhmtECgM581p/VWC57Ddfk8/RkiL+UkzB9hhCB8wUh4HeOfswr+Pqx tt853hOPewfvqRNzwtyZTkOv58r+7FfgLAo/cYUaYiZv473pRngMdpZu/ ZP64FpTKRGmRcu3jgRogVQwiifHGcWJNkjdHDrtvEyDsxhEgBqwC1gRZJ w==; X-CSE-ConnectionGUID: RTAbIjduREqNk/OVs3lthQ== X-CSE-MsgGUID: bfTVmLidTZaXlJ5rVP/Qfg== X-IronPort-AV: E=McAfee;i="6700,10204,11109"; a="19811230" X-IronPort-AV: E=Sophos;i="6.08,252,1712646000"; d="scan'208";a="19811230" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jun 2024 14:21:18 -0700 X-CSE-ConnectionGUID: rp1PzKjTSxu/zUzNxhyItQ== X-CSE-MsgGUID: k9EnhowQSGG2v/xTrGfXKg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,252,1712646000"; d="scan'208";a="79883691" Received: from awvttdev-05.aw.intel.com ([10.228.212.156]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jun 2024 14:21:17 -0700 From: "Michael J. Ruhl" To: intel-xe@lists.freedesktop.org, platform-driver-x86@vger.kernel.org, david.e.box@linux.intel.com, pavel.e.popov@intel.com Cc: michael.j.ruhl@intel.com Subject: [PATCH v2 5/6] platform/x86/intel/pmt: Add support for PMT base adjust Date: Thu, 20 Jun 2024 17:20:49 -0400 Message-ID: <20240620212055.3314064-6-michael.j.ruhl@intel.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240620212055.3314064-1-michael.j.ruhl@intel.com> References: <20240620212055.3314064-1-michael.j.ruhl@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" DVSEC offsets are based on the endpoint BAR. If an endpoint is not avialable allow the offset information to be adjusted by the parent driver. Signed-off-by: Michael J. Ruhl --- drivers/platform/x86/intel/pmt/class.h | 1 + drivers/platform/x86/intel/pmt/telemetry.c | 9 +++++++++ drivers/platform/x86/intel/vsec.c | 1 + include/linux/intel_vsec.h | 2 ++ 4 files changed, 13 insertions(+) diff --git a/drivers/platform/x86/intel/pmt/class.h b/drivers/platform/x86/intel/pmt/class.h index a267ac964423..984cd40ee814 100644 --- a/drivers/platform/x86/intel/pmt/class.h +++ b/drivers/platform/x86/intel/pmt/class.h @@ -46,6 +46,7 @@ struct intel_pmt_entry { void __iomem *base; struct pmt_callbacks *cb; unsigned long base_addr; + s32 base_adjust; size_t size; u32 guid; int devid; diff --git a/drivers/platform/x86/intel/pmt/telemetry.c b/drivers/platform/x86/intel/pmt/telemetry.c index c9feac859e57..5c44e500e8f6 100644 --- a/drivers/platform/x86/intel/pmt/telemetry.c +++ b/drivers/platform/x86/intel/pmt/telemetry.c @@ -78,6 +78,13 @@ static int pmt_telem_header_decode(struct intel_pmt_entry *entry, header->access_type = TELEM_ACCESS(readl(disc_table)); header->guid = readl(disc_table + TELEM_GUID_OFFSET); header->base_offset = readl(disc_table + TELEM_BASE_OFFSET); + if (entry->base_adjust) { + u32 new_base = header->base_offset + entry->base_adjust; + + dev_dbg(dev, "Adjusting baseoffset from 0x%x to 0x%x\n", + header->base_offset, new_base); + header->base_offset = new_base; + } /* Size is measured in DWORDS, but accessor returns bytes */ header->size = TELEM_SIZE(readl(disc_table)); @@ -302,6 +309,8 @@ static int pmt_telem_probe(struct auxiliary_device *auxdev, const struct auxilia for (i = 0; i < intel_vsec_dev->num_resources; i++) { struct intel_pmt_entry *entry = &priv->entry[priv->num_entries]; + entry->base_adjust = intel_vsec_dev->base_adjust; + mutex_lock(&ep_lock); ret = intel_pmt_dev_create(entry, &pmt_telem_ns, intel_vsec_dev, i); mutex_unlock(&ep_lock); diff --git a/drivers/platform/x86/intel/vsec.c b/drivers/platform/x86/intel/vsec.c index 7b5cc9993974..be079d62a7bc 100644 --- a/drivers/platform/x86/intel/vsec.c +++ b/drivers/platform/x86/intel/vsec.c @@ -212,6 +212,7 @@ static int intel_vsec_add_dev(struct pci_dev *pdev, struct intel_vsec_header *he intel_vsec_dev->num_resources = header->num_entries; intel_vsec_dev->quirks = info->quirks; intel_vsec_dev->base_addr = info->base_addr; + intel_vsec_dev->base_adjust = info->base_adjust; intel_vsec_dev->priv_data = info->priv_data; if (header->id == VSEC_ID_SDSI) diff --git a/include/linux/intel_vsec.h b/include/linux/intel_vsec.h index 003301783331..930eab246fa1 100644 --- a/include/linux/intel_vsec.h +++ b/include/linux/intel_vsec.h @@ -79,6 +79,7 @@ struct intel_vsec_platform_info { unsigned long caps; unsigned long quirks; u64 base_addr; + s32 base_adjust; }; struct intel_vsec_device { @@ -92,6 +93,7 @@ struct intel_vsec_device { size_t priv_data_size; unsigned long quirks; u64 base_addr; + s32 base_adjust; }; int intel_vsec_add_aux(struct pci_dev *pdev, struct device *parent, -- 2.44.0