Update documentation for the 3.3 release

Signed-off-by: Steven Bellock <[email protected]>

Author: steven-bellock

README.md

@@ -38,7 +38,7 @@
 
    SPDM 1.2: `GET_CSR`, `SET_CERTIFICATE`, `CHUNK_SEND`, and `CHUNK_GET`.
 
-   SPDM 1.3: No new commands are supported at this momemnt. No new SPDM 1.3 features are supported.
+   SPDM 1.3: `GET_SUPPORTED_EVENT_TYPES`. Additional SPDM 1.3 messages will be implemented in future releases.
 
 5) Cryptography Support
 
@@ -67,7 +67,7 @@
 
    Support to be included in [OpenBMC](https://github.com/openbmc). It is in planning, see [SPDM Integration](https://www.youtube.com/watch?v=PmgXkLJYI-E).
 
-   Support to be linked by other language. For example, [JAVA verifier](https://github.com/altera-opensource/verifier).
+   Support to be linked by other languages. For example, [JAVA verifier](https://github.com/altera-opensource/verifier).
 
    Support interoperability testing with other SPDM implementations. For example, [intel-server-prot-spdm](https://github.com/intel/intel-server-prot-spdm) and [spdm-rs](https://github.com/ccc-spdm-tools/spdm-rs).
 
@@ -281,7 +281,7 @@ For other architectures, refer to [build](https://github.com/DMTF/libspdm/blob/m
 
 ### Other Tests
 
-  libspdm also supports other tests such as code coverage, fuzzing, symbolic execution, model checker.
+  libspdm also supports other tests such as code coverage, fuzzing, symbolic execution, and model checker.
 
   Refer to [test](https://github.com/DMTF/libspdm/blob/main/doc/test.md) for more details.
 

doc/api/requester_api.md

@@ -318,7 +318,7 @@ If `true` then only the Responder direction secrets will updated. If `false` the
 direction and Requester direction secrets will be updated.
 
 ### Details
-TBD
+Before calling this function a secure session must first be established via `libspdm_start_session`.
 
 
 ---
@@ -416,6 +416,36 @@ TBD
 <br/><br/>
 
 
+---
+### libspdm_get_event_types
+---
+
+### Description
+Sends `GET_SUPPORTED_EVENT_TYPES` to retrieve the event types supported by the Responder.
+
+### Parameters
+
+**spdm_context**<br/>
+The SPDM context.
+
+**session_id**<br/>
+The session through which the event types will be retrieved.
+
+**event_group_count**<br/>
+The number of event groups in `supported_event_groups_list`.
+
+**supported_event_groups_list_len**<br/>
+On input, indicates the size, in bytes, of the buffer in which the event groups list will be stored.
+On output, indicates the size, in bytes, of the event groups list.
+
+**supported_event_groups_list**<br/>
+A pointer to a buffer to store the supported event groups list.
+
+### Details
+Before calling this function a secure session must first be established via `libspdm_start_session`.
+<br/><br/>
+
+
 ## Message Logging
 libspdm allows an Integrator to log request and response messages to an Integrator-provided buffer.
 It is currently only supported by a Requester. In the future it may be supported by a Responder, in

include/library/spdm_requester_lib.h

@@ -792,25 +792,6 @@ libspdm_return_t libspdm_get_event_types(void *spdm_context,
                                          uint8_t *event_group_count,
                                          uint32_t *supported_event_groups_list_len,
                                          void *supported_event_groups_list);
-
-/** This function subscribes to the specified event types.
- *
- *  This function can only be called after a secure session has been established with the device.
- *
- *  @param  spdm_context       A pointer to the SPDM context.
- *  @param  session_id         The session ID of the session.
- *  @param  subscribe_event_group_count The number of event groups in subscribe_list. If this value
- *                                      is 0 then subscription to all events will be cleared and
- *                                      subscribe_list_len must be 0 and subscribe_list must be
- *                                      NULL.
- *  @param  subscribe_list_len The size, in bytes, of subscribe_list.
- *  @param  subscribe_list     List of event types and event groups.
- **/
-libspdm_return_t libspdm_subscribe_event_types(void *spdm_context,
-                                               uint32_t session_id,
-                                               uint8_t subscribe_event_group_count,
-                                               uint32_t subscribe_list_len,
-                                               void *subscribe_list);
 #endif /* LIBSPDM_EVENT_RECIPIENT_SUPPORT */
 
 #if LIBSPDM_ENABLE_MSG_LOG