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Add EventAllPolicy to key exchange #2839

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Fix #2566.

This pull request adds two parameters to libspdm_event_subscribe. session_id is needed because event subscription is based on sessions, and subscribe_type specifies whether to subscribe/unsubscribe to all events, or to use the event list. Previously subscribe_event_group_count == 0 was used to unsubscribe from all events. However that does not work for subscribing to all events. Ie, subscribe_event_group_count == 0xff is legal with the event list.

Signed-off-by: Steven Bellock sbellock@nvidia.com

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@steven-bellock steven-bellock force-pushed the event-all-policy branch 2 times, most recently from f72e3a6 to aa1a634 Compare September 17, 2024 16:19
@steven-bellock steven-bellock marked this pull request as ready for review September 17, 2024 16:43
Comment on lines 308 to 312
LIBSPDM_ASSERT(((session_policy & SPDM_KEY_EXCHANGE_REQUEST_SESSION_POLICY_EVENT_ALL_POLICY)
== 0) ||
libspdm_is_capabilities_flag_supported(
spdm_context, true, 0, SPDM_GET_CAPABILITIES_RESPONSE_FLAGS_EVENT_CAP));
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This check should only for SPDM 1.3 where the event is introduced.
Otherwise, the reserved bit should be ignored.

Fix DMTF#2566

Signed-off-by: Steven Bellock <sbellock@nvidia.com>
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Add EventAllPolicy to key exchange
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