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 A4CBAFD9E31 for ; Fri, 27 Feb 2026 02:27:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 31EB410EA20; Fri, 27 Feb 2026 02:27:20 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="VufP9lCU"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3333110E0DB; Fri, 27 Feb 2026 02:27:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772159239; x=1803695239; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=Ksgdc+NUmkZkuiUvB6+41BW7LFIPmkTAFcSJACtuSdg=; b=VufP9lCU9OzqGneDB1R4ifTg6bzH8aKiKyv9OJYsr5mLGspKFw40BzvK OaPC75etyze2QPLMsLup4y8p7ITVuH4UrOZLEynPjG0cRH9VQ84VRBi+1 cv5dnBxKV0Vde58rgA4O512P451xlhdErjAWL/MMk4bBMGYHCydI75ZEz JlqNzJDKkH3rTne5oz5Zb5i57oC4NZM0vGR5z9xN9nnXIUWXxKiITvSh3 2tSw6sttNvkfKteHZkw5FG/6jrZ1AjxWHRSaJ0vDOU9aSUAi+aYG3o5sS KluzWAcM/eZCbt8ZQeUuC6XTGfja9kzVO8cpuZVnG9ildTyViKduJbivE A==; X-CSE-ConnectionGUID: rib0xS8SS4GGwVRT9DJSLQ== X-CSE-MsgGUID: pvUyxjlTQHuzNmC/4UrmXA== X-IronPort-AV: E=McAfee;i="6800,10657,11713"; a="73283307" X-IronPort-AV: E=Sophos;i="6.21,313,1763452800"; d="scan'208";a="73283307" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2026 18:27:17 -0800 X-CSE-ConnectionGUID: aPYbL5+ZREGrxP6D6rH1jw== X-CSE-MsgGUID: c278hO2cTJCjVMPFRX0mOQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,313,1763452800"; d="scan'208";a="214662249" Received: from debox1-desk4.jf.intel.com ([10.88.27.138]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2026 18:27:16 -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 v6 0/6] platform/x86/intel/vsec: Prep for ACPI PMT discovery Date: Thu, 26 Feb 2026 18:27:04 -0800 Message-ID: <20260227022711.3513663-1-david.e.box@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: 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" 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 device platform/x86/intel/vsec: Return real error codes from registration path 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 +- .../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(-) --=20 2.43.0