From patchwork Thu Oct 12 02:38:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "David E. Box" X-Patchwork-Id: 13418161 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0360CDB46E for ; Thu, 12 Oct 2023 02:38:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234018AbjJLCio (ORCPT ); Wed, 11 Oct 2023 22:38:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233929AbjJLCin (ORCPT ); Wed, 11 Oct 2023 22:38:43 -0400 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B6CCA4; Wed, 11 Oct 2023 19:38:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697078321; x=1728614321; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=WRppe0i66oHQ5xj9Q8MIDuQJPvcDYMYMD0qk7zkbO/M=; b=X05I0tF//c9s7JqXBD1mQ64X0OmsWcegBbT1laPDuzopvnd+h6HEvurV 9UcQTQh4TVJjX08SQAnzQR1R9rvHb+88kz+Ilq2f1dW7Pu5fwEG6zW8pA VlYpE1OV7rnivbW1aokNeHPsDiDzr61aP2Njdm7eyCUzYJIRztz8NmggA eBoRGOxkTZ9EHBHk5GzC6yvVlUuSP4TP0ytVieCHFJOCHMhFAENAOtykC iSQ2T9XpOE5vRfOMWhZzOJwccqyWUyT003QeavrJ64iEqoNq2ByPqwr7u 4AGMZwTMESc+00BSzAFRa0eB0mAhUuLXMxItlBSST2M/F4du5kZECxrBp w==; X-IronPort-AV: E=McAfee;i="6600,9927,10860"; a="3402621" X-IronPort-AV: E=Sophos;i="6.03,217,1694761200"; d="scan'208";a="3402621" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Oct 2023 19:38:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10860"; a="783507852" X-IronPort-AV: E=Sophos;i="6.03,217,1694761200"; d="scan'208";a="783507852" Received: from linux.intel.com ([10.54.29.200]) by orsmga008.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Oct 2023 19:38:40 -0700 Received: from debox1-desk4.intel.com (unknown [10.209.105.238]) by linux.intel.com (Postfix) with ESMTP id A4574580D79; Wed, 11 Oct 2023 19:38:40 -0700 (PDT) From: "David E. Box" To: linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, ilpo.jarvinen@linux.intel.com, rajvi.jingar@linux.intel.com Subject: [PATCH V3 00/16] intel_pmc: Add telemetry API to read counters Date: Wed, 11 Oct 2023 19:38:24 -0700 Message-Id: <20231012023840.3845703-1-david.e.box@linux.intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org On newer Intel silicon, more IP counters are being added in Intel Platform Monitoring Technology (PMT) telemetry spaces hosted in MMIO. There is a need for the intel_pmc_core driver and other drivers to access PMT hosted telemetry in the kernel using an API. This patchset adds driver APIs to allow registering and reading telemetry entries. It makes changes to the intel_pmc_core driver to use these interfaces to access the low power mode counters that are now exclusively available from PMT. David E. Box (11): platform/x86/intel/vsec: Move structures to header platform/x86/intel/vsec: remove platform_info from vsec device structure platform/x86/intel/vsec: Use cleanup.h platform/x86/intel/vsec: Add base address field platform/x86/intel/pmt: Add header to struct intel_pmt_entry platform/x86/intel/pmt: telemetry: Export API to read telemetry platform/x86/intel/pmc: Allow pmc_core_ssram_init to fail platform/x86/intel/pmc: Split pmc_core_ssram_get_pmc() platform/x86/intel/pmc: Find and register PMC telemetry entries platform/x86/intel/pmc: Add debug attribute for Die C6 counter platform/x86/intel/pmc: Show Die C6 counter on Meteor Lake Gayatri Kammela (1): platform/x86/intel/vsec: Add intel_vsec_register Rajvi Jingar (1): platform/x86/intel/pmc: Display LPM requirements for multiple PMCs Xi Pardee (3): platform/x86:intel/pmc: Call pmc_get_low_power_modes from platform init platform/x86/intel/pmc: Retrieve LPM information using Intel PMT platform/x86/intel/pmc: Read low power mode requirements for MTL-M and MTL-P drivers/platform/x86/intel/pmc/Kconfig | 1 + drivers/platform/x86/intel/pmc/adl.c | 2 + drivers/platform/x86/intel/pmc/cnp.c | 2 + drivers/platform/x86/intel/pmc/core.c | 191 +++++++++---- drivers/platform/x86/intel/pmc/core.h | 10 +- drivers/platform/x86/intel/pmc/core_ssram.c | 299 +++++++++++++++++--- drivers/platform/x86/intel/pmc/icl.c | 10 +- drivers/platform/x86/intel/pmc/mtl.c | 87 +++++- drivers/platform/x86/intel/pmc/spt.c | 10 +- drivers/platform/x86/intel/pmc/tgl.c | 1 + drivers/platform/x86/intel/pmt/class.c | 43 ++- drivers/platform/x86/intel/pmt/class.h | 30 +- drivers/platform/x86/intel/pmt/crashlog.c | 2 +- drivers/platform/x86/intel/pmt/telemetry.c | 193 ++++++++++++- drivers/platform/x86/intel/pmt/telemetry.h | 126 +++++++++ drivers/platform/x86/intel/vsec.c | 84 +++--- drivers/platform/x86/intel/vsec.h | 44 ++- 17 files changed, 946 insertions(+), 189 deletions(-) create mode 100644 drivers/platform/x86/intel/pmt/telemetry.h base-commit: acce85a7dd28eac3858d44230f4c65985d0f271c prerequisite-patch-id: abb063fc6746314786f443484ac711456df3e8a4