diff options
Diffstat (limited to 'src/occ_405/state.c')
| -rwxr-xr-x | src/occ_405/state.c | 131 |
1 files changed, 36 insertions, 95 deletions
diff --git a/src/occ_405/state.c b/src/occ_405/state.c index b38b18e..d263053 100755 --- a/src/occ_405/state.c +++ b/src/occ_405/state.c @@ -42,6 +42,11 @@ #include "pstate_pgpe_occ_api.h" #include "amec_sys.h" +// Maximum time to wait for a PGPE task before timeout +#define WAIT_PGPE_TASK_TIMEOUT 200 +// Maximum time to wait for a PGPE task before timeout when transitioning to standby +#define WAIT_PGPE_TASK_TIMEOUT_STDBY 50 + extern bool G_mem_monitoring_allowed; extern task_t G_task_table[TASK_END]; // Global task table extern bool G_simics_environment; @@ -292,115 +297,51 @@ errlHndl_t SMGR_standby_to_characterization() // Description: Switch from any state to standby state // // End Function Specification - -#define WAIT_PGPE_TASK_TIMEOUT 200 // maximum time to wait for a PGPE task before timeout errlHndl_t SMGR_all_to_standby() { - errlHndl_t l_errlHndl = NULL; uint8_t wait_time = 0; int rc; - TRAC_IMP("SMGR: Transition from State (%d) to Standby Started", - CURRENT_STATE()); + TRAC_IMP("SMGR: Transition from State (%d) to Standby Started", CURRENT_STATE()); - do + // if Psates in transition (a pgpe_start_suspend IPC call still running), + // wait until it is settled up to WAIT_PGPE_TASK_TIMEOUT usec + while( (G_proc_pstate_status == PSTATES_IN_TRANSITION) && + (wait_time < WAIT_PGPE_TASK_TIMEOUT_STDBY) ) { + // wait until pgpe_start_suspend call is completed. Sleep enables context switching. + ssx_sleep(SSX_MICROSECONDS(10)); + wait_time += 10; + } - // if Psates in transition (a pgpe_start_suspend IPC call still running), - // wait until it is settled up to WAIT_PGPE_TASK_TIMEOUT usec - while(G_proc_pstate_status == PSTATES_IN_TRANSITION && - wait_time < WAIT_PGPE_TASK_TIMEOUT) - { - // wait until pgpe_start_suspend call is completed. Sleep enables context switching. - ssx_sleep(SSX_MICROSECONDS(10)); - wait_time += 10; - } - - // check for timeout while waiting for pgpe_start_suspend() IPC completion - if(wait_time >= WAIT_PGPE_TASK_TIMEOUT) - { - TRAC_ERR("SMGR: Timeout waiting for Pstates start/suspend IPC task"); - - /* @ - * @errortype - * @moduleid MAIN_STATE_TRANSITION_MID - * @reasoncode GPE_REQUEST_TASK_TIMEOUT - * @userdata1 wait_time - * @userdata4 OCC_NO_EXTENDED_RC - * @devdesc timeout waiting for pstates start/suspend task - */ - l_errlHndl = createErrl(MAIN_STATE_TRANSITION_MID, //modId - GPE_REQUEST_TASK_TIMEOUT, //reasoncode - OCC_NO_EXTENDED_RC, //Extended reason code - ERRL_SEV_UNRECOVERABLE, //Severity - NULL, //Trace Buf - DEFAULT_TRACE_SIZE, //Trace Size - wait_time, //userdata1 - 0); //userdata2 - - // Callout firmware - addCalloutToErrl(l_errlHndl, - ERRL_CALLOUT_TYPE_COMPONENT_ID, - ERRL_COMPONENT_ID_FIRMWARE, - ERRL_CALLOUT_PRIORITY_HIGH); - break; - } - - // Stop Pstates if enabled - if(G_proc_pstate_status == PSTATES_ENABLED) + // check for timeout while waiting for pgpe_start_suspend() IPC completion + if(wait_time >= WAIT_PGPE_TASK_TIMEOUT) + { + TRAC_ERR("SMGR: Timeout waiting for Pstates start/suspend IPC task"); + } + // Stop Pstates if enabled + else if(G_proc_pstate_status == PSTATES_ENABLED) + { + rc = pgpe_start_suspend(PGPE_ACTION_PSTATE_STOP, G_proc_pmcr_owner); + if(rc) { - rc = pgpe_start_suspend(PGPE_ACTION_PSTATE_STOP, G_proc_pmcr_owner); - if(rc) - { - TRAC_ERR("SMGR: Failed to stop the pstate protocol on PGPE."); - break; - } + TRAC_ERR("SMGR: Failed to stop the pstate protocol on PGPE. rc[%08X]", rc); } + } - // Pstates Disabled, ready to safely transition to standby - - // Set the RTL Flags to indicate which tasks can run - // - Clear ACTIVE b/c not in ACTIVE State - // - Clear OBSERVATION b/c not in CHARACTERIZATION State - rtl_clr_run_mask_deferred(RTL_FLAG_ACTIVE | RTL_FLAG_OBS ); - rtl_set_run_mask_deferred(RTL_FLAG_STANDBY); - - // Set the actual STATE now that we have finished everything else - CURRENT_STATE() = OCC_STATE_STANDBY; - - TRAC_IMP("SMGR: Transition to Standby Completed"); - - } while (0); - - if(l_errlHndl) - { - TRAC_ERR("SMGR: Transition to Standby Failed"); + // Pstates should be disabled, ready to safely transition to standby + // Set the RTL Flags to indicate which tasks can run + // - Clear ACTIVE b/c not in ACTIVE State + // - Clear OBSERVATION b/c not in CHARACTERIZATION State + rtl_clr_run_mask_deferred(RTL_FLAG_ACTIVE | RTL_FLAG_OBS ); + rtl_set_run_mask_deferred(RTL_FLAG_STANDBY); - /* @ - * @errortype - * @moduleid MAIN_STATE_TRANSITION_MID - * @reasoncode INTERNAL_FAILURE - * @userdata1 starting state - * @userdata4 ERC_STATE_FROM_ALL_TO_STB_FAILURE - * @devdesc Failed changing from observation to characterization - */ - l_errlHndl = createErrl(MAIN_STATE_TRANSITION_MID, //modId - INTERNAL_FAILURE, //reasoncode - ERC_STATE_FROM_ALL_TO_STB_FAILURE, //Extended reason code - ERRL_SEV_UNRECOVERABLE, //Severity - NULL, //Trace Buf - DEFAULT_TRACE_SIZE, //Trace Size - CURRENT_STATE(), //userdata1 - 0); //userdata2 + // Set the actual STATE now that we have finished everything else + CURRENT_STATE() = OCC_STATE_STANDBY; - // Callout firmware - addCalloutToErrl(l_errlHndl, - ERRL_CALLOUT_TYPE_COMPONENT_ID, - ERRL_COMPONENT_ID_FIRMWARE, - ERRL_CALLOUT_PRIORITY_HIGH); - } + TRAC_IMP("SMGR: Transition to Standby Completed"); - return l_errlHndl; + return NULL; } // Function Specification |
