From 86fc85c75bcd9b0f28afadd60c9f890669b42ba4 Mon Sep 17 00:00:00 2001 From: "David E. Box" Date: Wed, 2 Jul 2025 19:28:28 -0700 Subject: platform/x86/intel/pmt/discovery: Get telemetry attributes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add intel_pmt_get_features() in PMT Discovery to enable the PMT Telemetry driver to obtain attributes of the aggregated telemetry spaces it enumerates. The function gathers feature flags and associated data (like the number of RMIDs) from each PMT entry, laying the groundwork for a future kernel interface that will allow direct access to telemetry regions based on their capabilities. Signed-off-by: David E. Box Link: https://lore.kernel.org/r/20250703022832.1302928-14-david.e.box@linux.intel.com Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen --- include/linux/intel_vsec.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'include/linux/intel_vsec.h') diff --git a/include/linux/intel_vsec.h b/include/linux/intel_vsec.h index 4bd0c6e7857c..f185e9c01c90 100644 --- a/include/linux/intel_vsec.h +++ b/include/linux/intel_vsec.h @@ -4,6 +4,7 @@ #include #include +#include /* * VSEC_CAP_UNUSED is reserved. It exists to prevent zero initialized @@ -166,6 +167,21 @@ struct oobmsm_plat_info { u8 function_number; }; +struct telemetry_region { + struct oobmsm_plat_info plat_info; + void __iomem *addr; + size_t size; + u32 guid; + u32 num_rmids; +}; + +struct pmt_feature_group { + enum pmt_feature_id id; + int count; + struct kref kref; + struct telemetry_region regions[]; +}; + int intel_vsec_add_aux(struct pci_dev *pdev, struct device *parent, struct intel_vsec_device *intel_vsec_dev, const char *name); -- cgit v1.2.3