diff mbox series

[v2,2/5] platform/x86/intel/tpmi: Modify external interface to get read/write state

Message ID 20231130214751.3100418-3-srinivas.pandruvada@linux.intel.com (mailing list archive)
State Changes Requested, archived
Headers show
Series TPMI update for permissions | expand

Commit Message

srinivas pandruvada Nov. 30, 2023, 9:47 p.m. UTC 
Modify the external interface tpmi_get_feature_status() to get read
and write blocked instead of locked and disabled. Since auxiliary device
is not created when disabled, no use of returning disabled state. Also
locked state is not useful as feature driver can't use locked state
in a meaningful way.

Using read and write state, feature driver can decide which operations
to restrict for that feature.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
v2:
- Change read_blocked/write_blocked to bool *

 drivers/platform/x86/intel/tpmi.c | 8 ++++----
 include/linux/intel_tpmi.h        | 5 ++---
 2 files changed, 6 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/drivers/platform/x86/intel/tpmi.c b/drivers/platform/x86/intel/tpmi.c
index 868067ff966e..ec64565baddc 100644
--- a/drivers/platform/x86/intel/tpmi.c
+++ b/drivers/platform/x86/intel/tpmi.c
@@ -351,8 +351,8 @@  static int tpmi_read_feature_status(struct intel_tpmi_info *tpmi_info, int featu
 	return ret;
 }
 
-int tpmi_get_feature_status(struct auxiliary_device *auxdev, int feature_id,
-			    int *locked, int *disabled)
+int tpmi_get_feature_status(struct auxiliary_device *auxdev,
+			    int feature_id, bool *read_blocked, bool *write_blocked)
 {
 	struct intel_vsec_device *intel_vsec_dev = dev_to_ivdev(auxdev->dev.parent);
 	struct intel_tpmi_info *tpmi_info = auxiliary_get_drvdata(&intel_vsec_dev->auxdev);
@@ -363,8 +363,8 @@  int tpmi_get_feature_status(struct auxiliary_device *auxdev, int feature_id,
 	if (ret)
 		return ret;
 
-	*locked = feature_state.locked;
-	*disabled = !feature_state.enabled;
+	*read_blocked = feature_state.read_blocked;
+	*write_blocked = feature_state.write_blocked;
 
 	return 0;
 }
diff --git a/include/linux/intel_tpmi.h b/include/linux/intel_tpmi.h
index 939663bb095f..7dff3d96a200 100644
--- a/include/linux/intel_tpmi.h
+++ b/include/linux/intel_tpmi.h
@@ -38,7 +38,6 @@  struct intel_tpmi_plat_info {
 struct intel_tpmi_plat_info *tpmi_get_platform_data(struct auxiliary_device *auxdev);
 struct resource *tpmi_get_resource_at_index(struct auxiliary_device *auxdev, int index);
 int tpmi_get_resource_count(struct auxiliary_device *auxdev);
-
-int tpmi_get_feature_status(struct auxiliary_device *auxdev, int feature_id, int *locked,
-			    int *disabled);
+int tpmi_get_feature_status(struct auxiliary_device *auxdev, int feature_id, bool *read_blocked,
+			    bool *write_blocked);
 #endif