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Diffstat (limited to 'include/drm/i915_pxp_tee_interface.h')
-rw-r--r--include/drm/i915_pxp_tee_interface.h27
1 files changed, 20 insertions, 7 deletions
diff --git a/include/drm/i915_pxp_tee_interface.h b/include/drm/i915_pxp_tee_interface.h
index 7d96985f2d05..a532d32f58f3 100644
--- a/include/drm/i915_pxp_tee_interface.h
+++ b/include/drm/i915_pxp_tee_interface.h
@@ -12,20 +12,26 @@ struct scatterlist;
/**
* struct i915_pxp_component_ops - ops for PXP services.
- * @owner: Module providing the ops
- * @send: sends data to PXP
- * @receive: receives data from PXP
*/
struct i915_pxp_component_ops {
/**
- * @owner: owner of the module provding the ops
+ * @owner: Module providing the ops.
*/
struct module *owner;
+ /**
+ * @send: Send a PXP message.
+ */
int (*send)(struct device *dev, const void *message, size_t size,
unsigned long timeout_ms);
+ /**
+ * @recv: Receive a PXP message.
+ */
int (*recv)(struct device *dev, void *buffer, size_t size,
unsigned long timeout_ms);
+ /**
+ * @gsc_command: Send a GSC command.
+ */
ssize_t (*gsc_command)(struct device *dev, u8 client_id, u32 fence_id,
struct scatterlist *sg_in, size_t total_in_len,
struct scatterlist *sg_out);
@@ -35,14 +41,21 @@ struct i915_pxp_component_ops {
/**
* struct i915_pxp_component - Used for communication between i915 and TEE
* drivers for the PXP services
- * @tee_dev: device that provide the PXP service from TEE Bus.
- * @pxp_ops: Ops implemented by TEE driver, used by i915 driver.
*/
struct i915_pxp_component {
+ /**
+ * @tee_dev: device that provide the PXP service from TEE Bus.
+ */
struct device *tee_dev;
+
+ /**
+ * @ops: Ops implemented by TEE driver, used by i915 driver.
+ */
const struct i915_pxp_component_ops *ops;
- /* To protect the above members. */
+ /**
+ * @mutex: To protect the above members.
+ */
struct mutex mutex;
};