/* IBM_PROLOG_BEGIN_TAG */ /* This is an automatically generated prolog. */ /* */ /* $Source: src/occ_405/rtls/rtls.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 _RTLSCH_H #define _RTLSCH_H #include #include #include #include "occhw_async.h" typedef struct task { uint32_t flags; void (*func_ptr)(struct task*); void *data_ptr; }task_t; // Task ID values // These are used as indices into the task table defined below. typedef enum { TASK_ID_APSS_START = 0x00, // TASK_ID_CORE_DATA_LOW, TASK_ID_APSS_CONT, // TASK_ID_CORE_DATA_HIGH, TASK_ID_APSS_DONE, // TASK_ID_DCOM_RX_INBX, // TASK_ID_DCOM_TX_INBX, TASK_ID_POKE_WDT, // Reset ppc405 watchdog and OCB timer TASK_ID_DCOM_WAIT_4_MSTR, TASK_ID_DCOM_RX_OUTBX, TASK_ID_DCOM_TX_OUTBX, // TASK_ID_DCOM_PARSE_FW_MSG, TASK_ID_CHECK_FOR_CHECKSTOP, TASK_ID_AMEC_SLAVE, // AMEC SMH tasks // TASK_ID_AMEC_MASTER, // AMEC SMH tasks // TASK_ID_CORE_DATA_CONTROL, // TASK_ID_GPU_SM, // GPU State Machine // TASK_ID_DIMM_SM, // DIMM State Machine // TASK_ID_MEM_DEADMAN, // Memory deadman timer TASK_END // This must always be the last enum in this list, // so that TASK_END always equals the last task ID + 1. } task_id_t; // Structure containing the durations measured within a tick typedef struct { uint32_t rtl_dur; // Duration of RTL tick interrupt uint32_t ameint_dur; // Combined duration of mstr & slv AMEC tasks uint32_t amess_dur; // Combined duration of last mstr & slv AMEC state uint8_t amess_state; // Last AMEC state that was run uint64_t rtl_start; // SsxTimebase of Start of current RTL Tick uint64_t rtl_start_gpe; // SsxTimebase of Start of current RTL Tick (for GPE > 250us meas) uint32_t gpe_dur[2]; // Duration of the GPE Engines / tick GpeRequest* gpe0_timing_request; // GPE Request that facilitates GPE WC meas GpeRequest* gpe1_timing_request; // GPE Request that facilitates GPE WC meas } fw_timing_t; // Bit flags to define when a task can run // NOTE: whenever new flag is added, it must also be added to the // RTL_ALL_FLAGS define. #define RTL_FLAG_NONE 0x00000000 // Task has been turned off permanently #define RTL_FLAG_RUN 0x00000001 // Task has been requested to run #define RTL_FLAG_MSTR 0x00000002 // Task can run on the master #define RTL_FLAG_NOTMSTR 0x00000004 // Task can run on non-masters #define RTL_FLAG_OBS 0x00000008 // Task can run in observation state #define RTL_FLAG_ACTIVE 0x00000010 // Task can run in active state #define RTL_FLAG_RST_REQ 0x00000020 // Task can run after a reset request #define RTL_FLAG_NO_APSS 0x00000040 // Task can run with no APSS present #define RTL_FLAG_MSTR_READY 0x00000080 // Task can run Master is ready #define RTL_FLAG_STANDBY 0x00000100 // Task can run in Standby state #define RTL_FLAG_APSS_NOT_INITD 0x00000200 // Task can run while APSS is not initialized #define RTL_ALL_FLAGS (RTL_FLAG_RUN | RTL_FLAG_MSTR | RTL_FLAG_NOTMSTR | \ RTL_FLAG_OBS | RTL_FLAG_ACTIVE | RTL_FLAG_RST_REQ | \ RTL_FLAG_NO_APSS | RTL_FLAG_MSTR_READY | RTL_FLAG_STANDBY | \ RTL_FLAG_APSS_NOT_INITD) #define CENTAUR_CONTROL_RTL_FLAGS (RTL_FLAG_MSTR | RTL_FLAG_NOTMSTR | RTL_FLAG_ACTIVE | \ RTL_FLAG_MSTR_READY | RTL_FLAG_NO_APSS | RTL_FLAG_RUN | \ RTL_FLAG_APSS_NOT_INITD) #define CENTAUR_DATA_RTL_FLAGS (RTL_FLAG_MSTR | RTL_FLAG_NOTMSTR | RTL_FLAG_OBS | \ RTL_FLAG_ACTIVE | RTL_FLAG_MSTR_READY | RTL_FLAG_NO_APSS | \ RTL_FLAG_RUN | RTL_FLAG_APSS_NOT_INITD) // Tick Timer definitions #define MICS_PER_TICK 250 // Number of micro-seconds per tick #define MAX_NUM_TICKS 16 // Number of entries in the global tick table (power of 2) // The value of the current tick extern uint32_t G_current_tick; // The durations measured within the current tick extern fw_timing_t G_fw_timing; // Preferred macro for accessing the current tick value #define CURRENT_TICK G_current_tick // Responsible for initializing the hardware timer in occ control block. // It is the timer that supplies the periodic RTL interrupt. void rtl_ocb_init(void) INIT_SECTION; // RTL intr handler, a full-mode handler that invokes through the macro brige // Runs all tasks in the current tick sequence. void rtl_do_tick(void *private, SsxIrqId irq, int priority); // Request that a task runs, starting the next time it comes up // in a tick sequence. void rtl_start_task(const task_id_t i_task_id); // Request that a task NOT run any time it comes up in a tick sequence. void rtl_stop_task(const task_id_t i_task_id); // Find out if a task can run or not. bool rtl_task_is_runnable(const task_id_t i_task_id); // Changes the data pointer for the specified task. void rtl_set_task_data(const task_id_t i_task_id, void* i_data_ptr); // Stores the bitwise-or of i_flag and the global run mask // into the global run mask. void rtl_set_run_mask(const uint32_t i_flags); void rtl_set_run_mask_deferred( const uint32_t i_flags ); // Stores the bitwise-and of the inverse of i_flag and the global run mask // into the global run mask. void rtl_clr_run_mask(const uint32_t i_flags); void rtl_clr_run_mask_deferred( const uint32_t i_flags ); #endif //_RTLSCH_H