TT-System-Firmware APIs 19.10.99
Tenstorrent Firmware
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SMC Message IDs

Enumeration of all available SMC message command IDs. More...

Collaboration diagram for SMC Message IDs:

Enumerations

enum  tt_smc_msg {
  TT_SMC_MSG_SET_VOLTAGE = 0x12 ,
  TT_SMC_MSG_GET_VOLTAGE = 0x13 ,
  TT_SMC_MSG_SWITCH_CLK_SCHEME = 0x14 ,
  TT_SMC_MSG_DEBUG_NOC_TRANSLATION = 0x15 ,
  TT_SMC_MSG_REPORT_SCRATCH_ONLY = 0x16 ,
  TT_SMC_MSG_SEND_PCIE_MSI = 0x17 ,
  TT_SMC_MSG_SWITCH_VOUT_CONTROL = 0x18 ,
  TT_SMC_MSG_READ_EEPROM = 0x19 ,
  TT_SMC_MSG_WRITE_EEPROM = 0x1A ,
  TT_SMC_MSG_READ_TS = 0x1B ,
  TT_SMC_MSG_READ_PD = 0x1C ,
  TT_SMC_MSG_READ_VM = 0x1D ,
  TT_SMC_MSG_I2C_MESSAGE = 0x1E ,
  TT_SMC_MSG_REINIT_TENSIX = 0x20 ,
  TT_SMC_MSG_POWER_SETTING = 0x21 ,
  TT_SMC_MSG_SET_TDP_LIMIT = 0x22 ,
  TT_SMC_MSG_SET_ASIC_HOST_FMAX = 0x23 ,
  TT_SMC_MSG_GET_FREQ_CURVE_FROM_VOLTAGE = 0x30 ,
  TT_SMC_MSG_AISWEEP_START = 0x31 ,
  TT_SMC_MSG_AISWEEP_STOP = 0x32 ,
  TT_SMC_MSG_FORCE_AICLK = 0x33 ,
  TT_SMC_MSG_GET_AICLK = 0x34 ,
  TT_SMC_MSG_COUNTER = 0x35 ,
  TT_SMC_MSG_FORCE_VDD = 0x39 ,
  TT_SMC_MSG_AICLK_GO_BUSY = 0x52 ,
  TT_SMC_MSG_AICLK_GO_LONG_IDLE = 0x54 ,
  TT_SMC_MSG_TRIGGER_RESET = 0x56 ,
  TT_SMC_MSG_TEST = 0x90 ,
  TT_SMC_MSG_PCIE_DMA_CHIP_TO_HOST_TRANSFER = 0x9B ,
  TT_SMC_MSG_PCIE_DMA_HOST_TO_CHIP_TRANSFER = 0x9C ,
  TT_SMC_MSG_ASIC_STATE0 = 0xA0 ,
  TT_SMC_MSG_ASIC_STATE3 = 0xA3 ,
  TT_SMC_MSG_GET_VOLTAGE_CURVE_FROM_FREQ = 0xA6 ,
  TT_SMC_MSG_FORCE_FAN_SPEED = 0xAC ,
  TT_SMC_MSG_GET_DRAM_TEMPERATURE = 0xAD ,
  TT_SMC_MSG_TOGGLE_SINGLE_TENSIX_RESET = 0xAE ,
  TT_SMC_MSG_TOGGLE_TENSIX_RESET = 0xAF ,
  TT_SMC_MSG_TOGGLE_GDDR_RESET = 0xB6 ,
  TT_SMC_MSG_SET_LAST_SERIAL = 0xBE ,
  TT_SMC_MSG_PING_DM = 0xC0 ,
  TT_SMC_MSG_SET_WDT_TIMEOUT = 0xC1 ,
  TT_SMC_MSG_FLASH_UNLOCK = 0xC2 ,
  TT_SMC_MSG_FLASH_LOCK = 0xC3 ,
  TT_SMC_MSG_CONFIRM_FLASHED_SPI = 0xC4 ,
  TT_SMC_MSG_BLINKY = 0xC5 ,
  TT_SMC_MSG_CHARACTERISATION = 0xC6
}
 Enumeration listing the available host requests IDs the SMC can process. More...
enum  char_submsg_ids { TT_SUB_MSG_SET_HOST_REQUESTED_FMIN = 0x1 }
 Enumeration of characterization submessage IDs. More...

Detailed Description

Enumeration of all available SMC message command IDs.

Enumeration Type Documentation

◆ char_submsg_ids

Enumeration of characterization submessage IDs.

Enumerator
TT_SUB_MSG_SET_HOST_REQUESTED_FMIN 0x1 

Set host-requested minimum frequency (AICLK)

◆ tt_smc_msg

enum tt_smc_msg

Enumeration listing the available host requests IDs the SMC can process.

Enumerator
TT_SMC_MSG_SET_VOLTAGE 0x12 

Set voltage request

TT_SMC_MSG_GET_VOLTAGE 0x13 

Get voltage request

TT_SMC_MSG_SWITCH_CLK_SCHEME 0x14 

Switch clock scheme request

TT_SMC_MSG_DEBUG_NOC_TRANSLATION 0x15 

Debug NOC translation request

TT_SMC_MSG_REPORT_SCRATCH_ONLY 0x16 

Report scratch-only request

TT_SMC_MSG_SEND_PCIE_MSI 0x17 

Send PCIe MSI request

TT_SMC_MSG_SWITCH_VOUT_CONTROL 0x18 

Switch VOUT control request

TT_SMC_MSG_READ_EEPROM 0x19 

Read SPI EEPROM request

TT_SMC_MSG_WRITE_EEPROM 0x1A 

Write SPI EEPROM request

TT_SMC_MSG_READ_TS 0x1B 

Read temperature sensor request

TT_SMC_MSG_READ_PD 0x1C 

Read process detector request

TT_SMC_MSG_READ_VM 0x1D 

Read voltage monitor request

TT_SMC_MSG_I2C_MESSAGE 0x1E 

I2C message request

TT_SMC_MSG_REINIT_TENSIX 0x20 

Reinitialize Tensix request

TT_SMC_MSG_POWER_SETTING 0x21 

Power Setting Request

TT_SMC_MSG_SET_TDP_LIMIT 0x22 

Set TDP limit request

TT_SMC_MSG_SET_ASIC_HOST_FMAX 0x23 

Set ASIC fmax request

TT_SMC_MSG_GET_FREQ_CURVE_FROM_VOLTAGE 0x30 

Frequency Curve from Voltage Request

TT_SMC_MSG_AISWEEP_START 0x31 

Start AICLK sweep request

TT_SMC_MSG_AISWEEP_STOP 0x32 

Stop AICLK sweep request

TT_SMC_MSG_FORCE_AICLK 0x33 

Force AICLK frequency request

TT_SMC_MSG_GET_AICLK 0x34 

Get AICLK frequency request

TT_SMC_MSG_COUNTER 0x35 

Generic Counter Request

TT_SMC_MSG_FORCE_VDD 0x39 

Force VDD voltage request

TT_SMC_MSG_AICLK_GO_BUSY 0x52 

AI Clock Set Busy Speed Request

TT_SMC_MSG_AICLK_GO_LONG_IDLE 0x54 

AI Clock Set Idle Speed Request

TT_SMC_MSG_TRIGGER_RESET 0x56 

Trigger chip reset request

TT_SMC_MSG_TEST 0x90 

Test request

TT_SMC_MSG_PCIE_DMA_CHIP_TO_HOST_TRANSFER 0x9B 

PCIe DMA chip-to-host transfer request

TT_SMC_MSG_PCIE_DMA_HOST_TO_CHIP_TRANSFER 0x9C 

PCIe DMA host-to-chip transfer request

TT_SMC_MSG_ASIC_STATE0 0xA0 

ASIC State 0 (A0State) request

TT_SMC_MSG_ASIC_STATE3 0xA3 

ASIC State 3 (A3State) request

TT_SMC_MSG_GET_VOLTAGE_CURVE_FROM_FREQ 0xA6 

Voltage Curve from Frequency Request

TT_SMC_MSG_FORCE_FAN_SPEED 0xAC 

Force Fan Speed Request

TT_SMC_MSG_GET_DRAM_TEMPERATURE 0xAD 

Get DRAM temperature request (not supported)

TT_SMC_MSG_TOGGLE_SINGLE_TENSIX_RESET 0xAE 

Toggle single Tensix reset request

TT_SMC_MSG_TOGGLE_TENSIX_RESET 0xAF 

Toggle Tensix reset request

TT_SMC_MSG_TOGGLE_GDDR_RESET 0xB6 

Toggle GDDR reset request

TT_SMC_MSG_SET_LAST_SERIAL 0xBE 

Set message queue serial number request

TT_SMC_MSG_PING_DM 0xC0 

Ping DMC request

TT_SMC_MSG_SET_WDT_TIMEOUT 0xC1 

Set watchdog timeout request

TT_SMC_MSG_FLASH_UNLOCK 0xC2 

Flash write unlock request

TT_SMC_MSG_FLASH_LOCK 0xC3 

Flash write lock request

TT_SMC_MSG_CONFIRM_FLASHED_SPI 0xC4 

Confirm SPI flash succeeded

TT_SMC_MSG_BLINKY 0xC5 

Toggle red LED on the board

TT_SMC_MSG_CHARACTERISATION 0xC6 

Generic characterization message