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 C6CB8F55438 for ; Wed, 25 Feb 2026 01:50:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5F82010E688; Wed, 25 Feb 2026 01:50:28 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="RMMc4CRU"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 199E110E66B; Wed, 25 Feb 2026 01:50:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1771984223; x=1803520223; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=ToM1AWpnOkAnrFR4PhXPIyPZqBXaSP+ujBoibchazBk=; b=RMMc4CRUhN4la9KdSystvh8exww3q59wCqB9NChSMATn4ffLsQw6jf08 xZMWEPTLKZ3ufOdNv6Tpdhtcog++nm0MwoBYkYq0LhejmjjVDORMYXwr/ kO1AcVFEjoezMCWA+7qfL6NVkNSLPxehpg9QRhxGb1ZeMpQWRuQ9dobwi 5XHQ9wCgycNaPbyEFCKV7ljZ4Dzh04Zdv/mresMTlerTkqpoOh4JvQh8r dfOVnbIpz0BchZJp9Wwm09yEZe5RWn7l2SG6jIqFgV3CvMIsMjGpM7ckp hrhwEsDkiia7NKgcdnrc173Z7N6383uztgHvpWmSFazhQdo5R9j2SeldZ A==; X-CSE-ConnectionGUID: d5gtZapeRMOWKbaxHYU41g== X-CSE-MsgGUID: 593WDsx7QPi9GK3Z6S51bQ== X-IronPort-AV: E=McAfee;i="6800,10657,11711"; a="76622900" X-IronPort-AV: E=Sophos;i="6.21,309,1763452800"; d="scan'208";a="76622900" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Feb 2026 17:50:21 -0800 X-CSE-ConnectionGUID: LkH3MAMCTYqyBVWbaT0u/g== X-CSE-MsgGUID: qDsATcnZQ4OvGznHE1A2nQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,309,1763452800"; d="scan'208";a="216096171" Received: from debox1-desk4.jf.intel.com ([10.88.27.138]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Feb 2026 17:50:20 -0800 From: "David E. Box" To: thomas.hellstrom@linux.intel.com, rodrigo.vivi@intel.com, irenic.rajneesh@gmail.com, ilpo.jarvinen@linux.intel.com, srinivas.pandruvada@linux.intel.com, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, xi.pardee@linux.intel.com Cc: david.e.box@linux.intel.com, hansg@kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: [PATCH v5 0/6] platform/x86/intel/vsec: Prep for ACPI PMT discovery Date: Tue, 24 Feb 2026 17:50:06 -0800 Message-ID: <20260224-upstream-pmt-acpi-v5-v5-0-8dd73bcf049c@linux.intel.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This series updates intel_vsec to improve const-correctness, decouple helper APIs from PCI, enhance error handling, and plumb ACPI-based Intel Platform Monitoring Technology (PMT) discovery through the vsec layer. It is preparatory infrastructure for follow-on PMT core/telemetry and PMC/SSRAM series that add ACPI discovery and support for new platforms. The series is organized as follows: Patches 1-2 refactor and improve const-correctness of base_addr handling. Patch 1 makes base_addr an explicit parameter throughout the call chain, clarifying ownership and removing conditional logic. Patch 2 then makes the platform info data structure read-only, preventing unintended modifications to shared driver data. Patches 3-4 decouple the vsec layer from PCI-specific types, updating helper APIs and data structures to use generic struct device instead of struct pci_dev. This enables vsec to work with both PCI and ACPI parent devices. Patch 5 enhances error visibility by returning meaningful error codes from the registration path instead of collapsing to boolean success/failure. Patch 6 adds infrastructure for ACPI-based PMT discovery, allowing client drivers to consume discovery data from either PCI or ACPI sources. Signed-off-by: David E. Box David E. Box (6): platform/x86/intel/vsec: Refactor base_addr handling platform/x86/intel/vsec: Make driver_data info const platform/x86/intel/vsec: Decouple add/link helpers from PCI platform/x86/intel/vsec: Switch exported helpers from pci_dev to devi= ce platform/x86/intel/vsec: Return real error codes from registration pa= th platform/x86/intel/vsec: Plumb ACPI PMT discovery tables through vsec drivers/gpu/drm/xe/xe_debugfs.c | 2 +- drivers/gpu/drm/xe/xe_hwmon.c | 2 +- drivers/gpu/drm/xe/xe_vsec.c | 7 +- drivers/gpu/drm/xe/xe_vsec.h | 4 +- drivers/platform/x86/intel/pmc/core.c | 4 +- drivers/platform/x86/intel/pmc/ssram_telemetry.c | 2 +- drivers/platform/x86/intel/pmt/class.c | 8 +- drivers/platform/x86/intel/pmt/class.h | 5 +- drivers/platform/x86/intel/pmt/discovery.c | 4 +- drivers/platform/x86/intel/pmt/telemetry.c | 13 +-- drivers/platform/x86/intel/pmt/telemetry.h | 12 +-- drivers/platform/x86/intel/sdsi.c | 5 +- drivers/platform/x86/intel/vsec.c | 121 ++++++++++++++-----= ---- drivers/platform/x86/intel/vsec_tpmi.c | 10 +- include/linux/intel_vsec.h | 39 ++++++-- 15 files changed, 144 insertions(+), 94 deletions(-) --- base-commit: 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f --=20