[PATCH V2 12/15] platform/x86/intel/tpmi: Get OOBMSM CPU mapping from TPMI

From: David E. Box
Date: Mon Jun 16 2025 - 21:43:02 EST


Copy TPMI’s OOBMSM platform info into a common area within VSEC private
data via intel_vsec_set_mapping(). This enables other Intel VSEC features
to access the CPU mapping without additional queries.

Additionally, designate the TPMI driver as a supplier for the Telemetry
driver, ensuring it can obtain the necessary platform information for
future feature extensions.

Signed-off-by: David E. Box <david.e.box@xxxxxxxxxxxxxxx>
---

Changes in v2:
- Add missing comma in mtl_info

drivers/platform/x86/intel/vsec.c | 2 +-
drivers/platform/x86/intel/vsec_tpmi.c | 4 ++++
2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/x86/intel/vsec.c b/drivers/platform/x86/intel/vsec.c
index 8c330b57e4d4..eaab313037d2 100644
--- a/drivers/platform/x86/intel/vsec.c
+++ b/drivers/platform/x86/intel/vsec.c
@@ -720,7 +720,7 @@ static const struct intel_vsec_platform_info mtl_info = {
static const struct vsec_feature_dependency oobmsm_deps[] = {
{
.feature = VSEC_CAP_TELEMETRY,
- .supplier_bitmap = VSEC_CAP_DISCOVERY,
+ .supplier_bitmap = VSEC_CAP_DISCOVERY | VSEC_CAP_TPMI,
},
};

diff --git a/drivers/platform/x86/intel/vsec_tpmi.c b/drivers/platform/x86/intel/vsec_tpmi.c
index d95a0d994546..7748b5557a18 100644
--- a/drivers/platform/x86/intel/vsec_tpmi.c
+++ b/drivers/platform/x86/intel/vsec_tpmi.c
@@ -799,6 +799,10 @@ static int intel_vsec_tpmi_init(struct auxiliary_device *auxdev)
ret = tpmi_process_info(tpmi_info, pfs);
if (ret)
return ret;
+
+ ret = intel_vsec_set_mapping(&tpmi_info->plat_info, vsec_dev);
+ if (ret)
+ return ret;
}

if (pfs->pfs_header.tpmi_id == TPMI_CONTROL_ID)
--
2.43.0