Driver services are objects of capabilities provided by HDF driver devices to external systems and are managed by the HDF in a unified manner. Driver service management involves providing and obtaining driver services.
Driver services are objects of capabilities provided by HDF driver devices to external systems and are managed by the HDF in a unified manner. Driver service management involves publishing and obtaining driver services.
The HDF uses the **policy** field in the configuration file to define policies for drivers to provide services externally. The values this field are as follows:
The HDF uses the **policy** field in the configuration file to define policies for drivers to publish services externally. The values this field are as follows:
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@@ -12,13 +12,13 @@ The HDF uses the **policy** field in the configuration file to define policies f
typedef enum {
/* The driver does not provide services. */
SERVICE_POLICY_NONE = 0,
/* The driver provides services only for kernel-mode applications. */
/* The driver publishes services only for kernel-mode processes. */
SERVICE_POLICY_PUBLIC = 1,
/* The driver provides services for both kernel- and user-mode applications. */
/* The driver publishes services for both kernel- and user-mode processes. */
SERVICE_POLICY_CAPACITY = 2,
/** The driver services are not provided externally but can be subscribed to. */
/** The driver services are not published externally but can be subscribed to. */
SERVICE_POLICY_FRIENDLY = 3,
/* The driver private services cannot be provided externally or subscribed to. */
/* The driver private services cannot be published externally or subscribed to. */
