diff options
Diffstat (limited to 'src/usr/lpc')
| -rw-r--r-- | src/usr/lpc/lpcdd.C | 15 | ||||
| -rw-r--r-- | src/usr/lpc/lpcdd.H | 15 |
2 files changed, 28 insertions, 2 deletions
diff --git a/src/usr/lpc/lpcdd.C b/src/usr/lpc/lpcdd.C index a8a23fde1..81577a5b0 100644 --- a/src/usr/lpc/lpcdd.C +++ b/src/usr/lpc/lpcdd.C @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2014,2016 */ +/* Contributors Listed Below - COPYRIGHT 2014,2017 */ /* [+] Google Inc. */ /* [+] International Business Machines Corp. */ /* */ @@ -363,6 +363,19 @@ errlHndl_t create_altmaster_objects( bool i_create, return l_err; } + +/** + * @brief Block/unblock all LPC operations + * @param[in] i_block true: block ops, false: allow ops + * + */ +void block_lpc_ops( bool i_block ) +{ + // Note: this is ignoring the alt-master because the usecase for + // this function is only applicable for DD1 + Singleton<LpcDD>::instance().lock(i_block); +} + }; //namespace LPC /////////////////////////////////////////////////////////////////////////////// diff --git a/src/usr/lpc/lpcdd.H b/src/usr/lpc/lpcdd.H index 1b4e3c5bd..f4bd04176 100644 --- a/src/usr/lpc/lpcdd.H +++ b/src/usr/lpc/lpcdd.H @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2014,2016 */ +/* Contributors Listed Below - COPYRIGHT 2014,2017 */ /* [+] Google Inc. */ /* [+] International Business Machines Corp. */ /* */ @@ -132,6 +132,19 @@ class LpcDD }; /** + * @brief Block/unblock all LPC operations + * @param[in] i_block true: block ops, false: allow ops + */ + void lock( bool i_block ) + { + if( i_block ) { + mutex_lock(ivp_mutex); + } else { + mutex_unlock(ivp_mutex); + } + }; + + /** * @brief Constructor * @param[in] Processor target associated with the ECCB logic */ |
