sysfs-driver-mlxreg-io - OpenGrok cross reference for /linux-6.12.1/Documentation/ABI/stable/sysfs-driver-mlxreg-io

1 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic_health
6 		0 - health failed, 2 - health OK, 3 - ASIC in booting state.
10 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld1_version
11 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld2_version
16 		on carrier and switch boards.
20 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/fan_dir
25 		forward direction - relevant bit is set 0;
26 		reversed direction - relevant bit is set 1.
30 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld3_version
35 		on LED or Gearbox board.
39 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/jtag_enable
48 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/select_iio
59 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/psu1_on
60 		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/psu2_on
61 		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pwr_cycle
62 		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pwr_down
66 Description:	These files allow asserting system power cycling, switching
67 		power supply units on and off and system's main power domain
70 		When pwr_cycle is written 1: auxiliary power domain will go
73 		disconnected from the power source, when written 0 - connected.
74 		If both are written 1 - power supplies main power domain will
76 		When pwr_down is written 1, system's main power domain will go
81 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_aux_pwr_or_ref
82 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_asic_thermal
83 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_hotswap_or_halt
84 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_hotswap_or_wd
85 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_fw_reset
86 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_long_pb
87 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_main_pwr_fail
88 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_short_pb
89 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_sw_reset
93 Description:	These files show the system reset cause, as following: power
94 		auxiliary outage or power refresh, ASIC thermal shutdown, halt,
95 		hotswap, watchdog, firmware reset, long press power button,
96 		short press power button, software reset. Value 1 in file means
97 		this is reset cause, 0 - otherwise. Only one of the above
99 		reset cause.
103 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_comex_pwr_fail
104 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_from_comex
105 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_system
106 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_voltmon_upgrade_fail
110 Description:	These files show the system reset cause, as following: ComEx
111 		power fail, reset from ComEx, system platform reset, reset
113 		Value 1 in file means this is reset cause, 0 - otherwise.
115 		the last reset cause.
119 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld4_version
124 		on LED board.
128 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_comex_thermal
129 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_comex_wd
130 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_from_asic
131 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_reload_bios
132 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_sff_wd
133 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_swb_wd
137 Description:	These files show the system reset cause, as following:
138 		COMEX thermal shutdown; wathchdog power off or reset was derived
140 		Factor mezzanine, reset requested from ASIC, reset caused by BIOS
141 		reload. Value 1 in file means this is reset cause, 0 - otherwise.
143 		only last reset cause.
147 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/config1
148 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/config2
154 		devices within the system and so on.
158 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_ac_pwr_fail
159 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_platform
160 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_soc
161 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_sw_pwr_off
165 Description:	These files show the system reset causes, as following: reset
166 		due to AC power failure, reset invoked from software by
167 		assertion reset signal through CPLD. reset caused by signal
168 		asserted by SOC through ACPI register, reset invoked from
169 		software by assertion power off signal through CPLD.
173 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pcie_asic_reset_dis
178 		reset, when attribute is set 1.
182 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/vpd_wp
191 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/voltreg_update_status
197 		0 - OK; 1 - CRC failure; 2 = I2C failure; 3 - in progress.
201 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/ufm_version
210 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld1_pn
211 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld2_pn
212 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld3_pn
213 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld4_pn
214 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld1_version_min
215 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld2_version_min
216 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld3_version_min
217 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld4_version_min
222 		versions have been burned CPLD devices equipped on a
227 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/bios_active_image
228 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/bios_auth_fail
229 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/bios_upgrade_fail
239 		top-swap feature of DualBios on the same flash.
250 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc1_enable
251 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc2_enable
252 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc3_enable
253 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc4_enable
254 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc5_enable
255 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc6_enable
256 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc7_enable
257 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc8_enable
264 		from the reset state, when 0 - is hold in reset state.
268 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc1_pwr
269 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc2_pwr
270 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc3_pwr
271 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc4_pwr
272 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc5_pwr
273 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc6_pwr
274 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc7_pwr
275 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc8_pwr
279 Description:	These files switching line cards power on and off.
282 		on, when written 0 - powered off.
286 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc1_rst_mask
287 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc2_rst_mask
288 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc3_rst_mask
289 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc4_rst_mask
290 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc5_rst_mask
291 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc6_rst_mask
292 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc7_rst_mask
293 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lc8_rst_mask
297 Description:	These files clear line card reset bit enforced by ASIC, when it
300 		When lc{n}_rst_mask is written 1, related line card reset bit
301 		is cleared, when written 0 - no effect.
305 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/os_started
314 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pm_mgmt_en
318 Description:	This file assigns power management control ownership.
319 		When power management control is provided by hardware, hardware
320 		will automatically power off one or more line previously
321 		powered line cards in case system power budget is getting
322 		insufficient. It could be in case when some of power units lost
323 		power good state.
324 		When pm_mgmt_en is written 1, power management control by
325 		software is enabled, 0 - power management control by hardware.
327 		not allow to power on any new line card in case system power
329 		Same in case software will try to power on several line cards
330 		at once - hardware will power line cards while system has
331 		enough power budget.
336 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/psu3_on
337 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/psu4_on
341 Description:	These files switching power supply units on and off.
344 		disconnected from the power source, when written 0 - connected.
348 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/shutdown_unlock
356 		1 and then perform system power cycle by setting pwr_cycle
357 		attribute to 1 (power cycle of main power domain).
362 		ASIC from locking - is full system power cycle through the
363 		external power distribution unit.
368 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
369 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
370 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
375 		and part number has been burned CPLD device on line card.
379 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
380 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
381 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
386 		and part number has been burned FPGA device on line card.
390 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
395 		protection mode. When attribute is set 1 - write protection is
396 		disabled, when 0 - enabled.
398 		If the system is in locked-down mode writing this file will not
405 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
406 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
407 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
408 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
409 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
410 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
414 Description:	These files show the line reset cause, as following: power
415 		auxiliary outage or power refresh, DC-to-DC power failure, FPGA reset
416 		failed, line card reset failed, power off from chassis.
417 		Value 1 in file means this is reset cause, 0 - otherwise. Only one of
419 		reset cause.
423 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
424 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
429 		is enabled, 0 - otherwise.
430 		If the system is in locked-down mode writing these files will
433 		upgrade through the JTAG daisy-chain.
437 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
438 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
442 Description:	These files allow to power on/off all QSFP ports and whole line card.
443 		The attributes are set 1 for power on, 0 - for power off.
447 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
448 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
453 		The attributes are set 1 to enable burning, 0 - to disable.
454 		If the system is in locked-down mode writing these files will
461 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
462 What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon…
471 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/phy_reset
475 Description:	This file allows to reset PHY 88E1548 when attribute is set 0
479 		from the reset state, when 0 - are hold in reset state.
483 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/mac_reset
487 Description:	This file allows to reset ASIC MT52132 when attribute is set 0
491 		from the reset state, when 0 - is hold in reset state.
495 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/qsfp_pwr_good
499 Description:	This file shows QSFP ports power status. The value is set to 0
501 		there are no any QSFP ports are plugged.
503 		0 - Power good, 1 - Not power good.
507 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic2_health
511 Description:	This file shows 2-nd ASIC health status. The possible values are:
512 		0 - health failed, 2 - health OK, 3 - ASIC in booting state.
516 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic_reset
517 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic2_reset
525 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/comm_chnl_ready
535 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/config3
545 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_pwr_converter_fail
549 Description:	This file shows the system reset cause due to power converter
551 		Value 1 in file means this is reset cause, 0 - otherwise.
555 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/erot1_ap_reset
556 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/erot2_ap_reset
561 		processor's RESET output to the Application Processor (AP).
563 		revoked AP Firmware, at which point it will hold the AP in RESET until a
565 		unauthorized firmware. In the normal flow, the AP reset should be released
572 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/erot1_recovery
573 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/erot2_recovery
574 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/erot1_reset
575 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/erot2_reset
582 		flow their reset should be released with system power – earliest power
585 		Issuing a reset to the EROT while asserting the recovery signal will cause
588 		For reset/recovery the related file should be toggled by 1/0.
592 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/erot1_wp
593 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/erot2_wp
597 Description:	These files allow access to External Root of Trust (EROT) for reset
600 		If the system is in locked-down mode writing this file will not be allowed.
604 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/spi_chnl_select
609 		device Out-of-Band recovery.
615 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/asic_pg_fail
619 Description:	This file shows ASIC Power Good status.
620 		Value 1 in file means ASIC Power Good failed, 0 - otherwise.
624 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/clk_brd1_boot_fail
625 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/clk_brd2_boot_fail
626 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/clk_brd_fail
631 		- clk_brd1_boot_fail: warning about 1-st clock board failed to boot from CI.
632 		- clk_brd2_boot_fail: warning about 2-nd clock board failed to boot from CI.
633 		- clk_brd_fail: error about common clock board boot failure.
637 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/clk_brd_prog_en
643 		If the system is in locked-down mode writing this file will not be allowed.
647 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/pwr_converter_prog_en
651 Description:	This file enables programming of power converters.
653 		If the system is in locked-down mode writing this file will not be allowed.
657 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_ac_ok_fail
661 Description:	This file shows the system reset cause due to AC power failure.
662 		Value 1 in file means this is reset cause, 0 - otherwise.
666 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld5_pn
667 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld5_version
668 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/cpld5_version_min
673 		versions have been burned the 5-th CPLD device equipped on a
678 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/jtag_cap
685 		b00 - field update through LPC bus register memory space.
686 		b01 - Reserved.
687 		b10 - Reserved.
688 		b11 - field update through CPU GPIOs bit-banging.
692 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/lid_open
696 Description:	1 - indicates that system lid is opened, otherwise 0.
700 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_long_pwr_pb
704 Description:	This file if set 1 indicates that system has been reset by
705 		long press of power button.
709 What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/reset_swb_dc_dc_pwr_fail
713 Description:	This file shows 1 in case the system reset happened due to the
714 		failure of any DC-DC power converter devices equipped on the