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| author | Doug Gilbert <dgilbert@us.ibm.com> | 2014-06-11 17:05:32 -0500 |
|---|---|---|
| committer | A. Patrick Williams III <iawillia@us.ibm.com> | 2014-08-12 18:41:17 -0500 |
| commit | 9ba94076a3ae491c1d4bd8a2bf7b015f0af17b30 (patch) | |
| tree | 393a31cbe50862710a5f84a7ad2b9cc88a7c17aa /src/include/usr/mbox | |
| parent | 0fab01cf0c87843871862448a4809e9cab7c6b2a (diff) | |
| download | talos-hostboot-9ba94076a3ae491c1d4bd8a2bf7b015f0af17b30.tar.gz talos-hostboot-9ba94076a3ae491c1d4bd8a2bf7b015f0af17b30.zip | |
Throttle mailbox operations to avoid out-of-memory condition
Change-Id: I18f13ec742efe196e6a2bc3714051e2489567158
RTC: 102852
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/11586
Tested-by: Jenkins Server
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: Corey V. Swenson <cswenson@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Diffstat (limited to 'src/include/usr/mbox')
| -rw-r--r-- | src/include/usr/mbox/mbox_reasoncodes.H | 4 | ||||
| -rw-r--r-- | src/include/usr/mbox/mboxif.H | 25 |
2 files changed, 27 insertions, 2 deletions
diff --git a/src/include/usr/mbox/mbox_reasoncodes.H b/src/include/usr/mbox/mbox_reasoncodes.H index ff5e6a238..6b9e3d8a9 100644 --- a/src/include/usr/mbox/mbox_reasoncodes.H +++ b/src/include/usr/mbox/mbox_reasoncodes.H @@ -5,7 +5,9 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* COPYRIGHT International Business Machines Corp. 2012,2014 */ +/* Contributors Listed Below - COPYRIGHT 2012,2014 */ +/* [+] International Business Machines Corp. */ +/* */ /* */ /* Licensed under the Apache License, Version 2.0 (the "License"); */ /* you may not use this file except in compliance with the License. */ diff --git a/src/include/usr/mbox/mboxif.H b/src/include/usr/mbox/mboxif.H index f9846cbc3..1f56d6c95 100644 --- a/src/include/usr/mbox/mboxif.H +++ b/src/include/usr/mbox/mboxif.H @@ -5,7 +5,9 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* COPYRIGHT International Business Machines Corp. 2012,2014 */ +/* Contributors Listed Below - COPYRIGHT 2012,2014 */ +/* [+] International Business Machines Corp. */ +/* */ /* */ /* Licensed under the Apache License, Version 2.0 (the "License"); */ /* you may not use this file except in compliance with the License. */ @@ -131,6 +133,27 @@ namespace MBOX */ errlHndl_t resume(); + /** + * Allocate storage for mailbox message extra_data for asynchronous + * messages. + * + * @param[in] Number of bytes to allocate + * @return pointer to storage + * + * @note This call may block until memory becomes available if the memory + * sum of of all mbox messages is excessive. + * + * @note a call to MOX::send(..) will release the storage. + */ + void * allocate(size_t); + + /** + * Deallocate storage for a mailbox message extra_data + * + * @param[in] pointer to storage + */ + void deallocate(void * i_ptr); + }; // end namespace MBOX #endif |
