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Diffstat (limited to 'src/occ_405/proc/proc_pstate.h')
| -rwxr-xr-x | src/occ_405/proc/proc_pstate.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/occ_405/proc/proc_pstate.h b/src/occ_405/proc/proc_pstate.h new file mode 100755 index 0000000..3ac8439 --- /dev/null +++ b/src/occ_405/proc/proc_pstate.h @@ -0,0 +1,131 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/occ_405/proc/proc_pstate.h $ */ +/* */ +/* OpenPOWER OnChipController Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2011,2015 */ +/* [+] 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. */ +/* You may obtain a copy of the License at */ +/* */ +/* http://www.apache.org/licenses/LICENSE-2.0 */ +/* */ +/* Unless required by applicable law or agreed to in writing, software */ +/* distributed under the License is distributed on an "AS IS" BASIS, */ +/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ +/* implied. See the License for the specific language governing */ +/* permissions and limitations under the License. */ +/* */ +/* IBM_PROLOG_END_TAG */ + +#ifndef PROC_PSTATE_H +#define PROC_PSTATE_H + +#include "ssx.h" +#include "cmdh_service_codes.h" +#include "errl.h" +#include "trac.h" +#include "rtls.h" +#include "occ_common.h" +#include "state.h" +#include "cmdh_fsp_cmds.h" +#include "cmdhDbugCmd.h" +#include "appletManager.h" +#include "gpsm.h" +#include "pstates.h" + +// GPSM DCM Synchronization - used by MBOX to transfer between DCM M & S +typedef struct +{ + uint8_t dcm_pair_id; + uint8_t sync_state_master :4; + uint8_t sync_state_slave :4; + uint8_t pstate_v; + uint8_t pstate_f; +} proc_gpsm_dcm_sync_occfw_t; + +typedef struct __attribute__ ((packed)) +{ + uint8_t valid; + uint8_t version; + // Sapphire_OCC_interface_v3.odp + // throttle status 0x00 No throttle, 0x01 Powercap, 0x02 CPU overtemp, 0x03 power supply failure, 0x04 overcurrent, 0x05 OCC reset + uint8_t throttle; + int8_t pmin; + int8_t pnominal; + int8_t pmax; + uint16_t spare; +} sapphire_config_t; + +typedef struct __attribute__ ((packed)) +{ + int8_t pstate; + uint8_t flag; + uint8_t evid_vdd; + uint8_t evid_vcs; + uint32_t freq_khz; +} sapphire_data_t; + +#define PSTATE_ENTRY_NUMBER 256 +// This size must be a multiple of 128 +typedef struct __attribute__ ((packed)) +{ + sapphire_config_t config; + uint64_t reserved; + sapphire_data_t data[PSTATE_ENTRY_NUMBER]; + uint8_t pad[112]; +} sapphire_table_t __attribute__ ((aligned (128))); + +enum { + NO_THROTTLE = 0x00, + POWERCAP = 0x01, + CPU_OVERTEMP = 0x02, + POWER_SUPPLY_FAILURE = 0x03, + OVERCURRENT = 0x04, + OCC_RESET = 0x05, +}; + +extern GlobalPstateTable G_global_pstate_table; + +extern uint32_t G_mhz_per_pstate; + +extern sapphire_table_t G_sapphire_table; + +// Initialize PState Table +errlHndl_t proc_gpsm_pstate_initialize(const PstateSuperStructure* i_pss); + +// Entry function for enabling Pstates once table is installed +void proc_gpsm_dcm_sync_enable_pstates_smh(void); + +// Get DCM Sync State +proc_gpsm_dcm_sync_occfw_t proc_gpsm_dcm_sync_get_state(void); + +// Pull down DCM pair's Sync State & Info via Mbox +void proc_gpsm_dcm_sync_update_from_mbox(proc_gpsm_dcm_sync_occfw_t * i_dcm_sync_state); + +// Helper function to translate from Frequency to nearest Pstate +Pstate proc_freq2pstate(uint32_t i_freq_mhz); + +// Helper function to translate from Pstate to nearest Frequency +uint32_t proc_pstate2freq(Pstate i_pstate); + +// Helper function to determine if we are a DCM +inline bool proc_is_dcm(); + +// Helper function to determine if we are in HW Pstate mode +inline bool proc_is_hwpstate_enabled(void); + +// Copy pstate data to sapphire table +void populate_pstate_to_sapphire_tbl(); + +// Copy sapphire table to mainstore memory at SAPPHIRE_OFFSET_IN_HOMER +void populate_sapphire_tbl_to_mem(); + +// Check if sapphire table needs update +void proc_check_for_sapphire_updates(); +#endif |
