diff options
Diffstat (limited to 'drivers/firmware/arm_scmi/protocols.h')
| -rw-r--r-- | drivers/firmware/arm_scmi/protocols.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/firmware/arm_scmi/protocols.h b/drivers/firmware/arm_scmi/protocols.h index 78e1a01eb6..e683c26f24 100644 --- a/drivers/firmware/arm_scmi/protocols.h +++ b/drivers/firmware/arm_scmi/protocols.h @@ -174,7 +174,8 @@ struct scmi_protocol_handle { struct device *dev; const struct scmi_xfer_ops *xops; const struct scmi_proto_helpers_ops *hops; - int (*set_priv)(const struct scmi_protocol_handle *ph, void *priv); + int (*set_priv)(const struct scmi_protocol_handle *ph, void *priv, + u32 version); void *(*get_priv)(const struct scmi_protocol_handle *ph); }; @@ -256,7 +257,8 @@ struct scmi_fc_info { */ struct scmi_proto_helpers_ops { int (*extended_name_get)(const struct scmi_protocol_handle *ph, - u8 cmd_id, u32 res_id, char *name, size_t len); + u8 cmd_id, u32 res_id, u32 *flags, char *name, + size_t len); void *(*iter_response_init)(const struct scmi_protocol_handle *ph, struct scmi_iterator_ops *ops, unsigned int max_resources, u8 msg_id, @@ -310,6 +312,10 @@ typedef int (*scmi_prot_init_ph_fn_t)(const struct scmi_protocol_handle *); * @ops: Optional reference to the operations provided by the protocol and * exposed in scmi_protocol.h. * @events: An optional reference to the events supported by this protocol. + * @supported_version: The highest version currently supported for this + * protocol by the agent. Each protocol implementation + * in the agent is supposed to downgrade to match the + * protocol version supported by the platform. */ struct scmi_protocol { const u8 id; @@ -318,6 +324,7 @@ struct scmi_protocol { const scmi_prot_init_ph_fn_t instance_deinit; const void *ops; const struct scmi_protocol_events *events; + unsigned int supported_version; }; #define DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(name, proto) \ |