Hi, On 10/2/21 11:32, Vadim Pasternak wrote: > Add documentation for the new attributes for line cards: > - CPLDs versioning. > - Write protection control for 'nvram' devices. > - Line card reset reasons. > - Enabling burning of FPGA and CPLDs. > - Enabling burning of FPGA and gearbox SPI flashes, > - Enabling power of whole line card. > - Enabling power of QSFP ports equipped on line card. > - The maximum powered required for line card feeding. > - Line card configuration Id. > > Signed-off-by: Vadim Pasternak <vadimp@xxxxxxxxxx> > Reviewed-by: Michael Shych <michaelsh@xxxxxxxxxx> Applying this gave the following warnings: Applying: Documentation/ABI: Add new line card attributes for mlxreg-io sysfs interfaces /home/hans/projects/linux/.git/worktrees/platform-drivers-x86/rebase-apply/patch:44: space before tab in indent. If the system is in locked-down mode writing this file will not /home/hans/projects/linux/.git/worktrees/platform-drivers-x86/rebase-apply/patch:76: space before tab in indent. If the system is in locked-down mode writing these files will /home/hans/projects/linux/.git/worktrees/platform-drivers-x86/rebase-apply/patch:100: space before tab in indent. If the system is in locked-down mode writing these files will warning: 3 lines add whitespace errors. I've fixed this up locally. FYI the 3 "If the system is in locked-down mode writing this file will not" lines started with <tab><space><tab> which I've replaced with <tab><tab>. Regards, Hans > --- > .../ABI/stable/sysfs-driver-mlxreg-io | 103 ++++++++++++++++++ > 1 file changed, 103 insertions(+) > > diff --git a/Documentation/ABI/stable/sysfs-driver-mlxreg-io b/Documentation/ABI/stable/sysfs-driver-mlxreg-io > index 6ef6979c9448..b25e963ec0fa 100644 > --- a/Documentation/ABI/stable/sysfs-driver-mlxreg-io > +++ b/Documentation/ABI/stable/sysfs-driver-mlxreg-io > @@ -361,3 +361,106 @@ Description: This file allows to unlock ASIC after thermal shutdown event. > Default is 1. > > The file is read/write. > + > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/cpld1_pn > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/cpld1_version > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/cpld1_version_min > +Date: October 2021 > +KernelVersion: 5.16 > +Contact: Vadim Pasternak <vadimp@xxxxxxxxxx> > +Description: These files show with which CPLD major and minor versions > + and part number has been burned CPLD device on line card. > + > + The files are read only. > + > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/fpga1_pn > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/fpga1_version > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/fpga1_version_min > +Date: October 2021 > +KernelVersion: 5.16 > +Contact: Vadim Pasternak <vadimp@xxxxxxxxxx> > +Description: These files show with which FPGA major and minor versions > + and part number has been burned FPGA device on line card. > + > + The files are read only. > + > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/vpd_wp > +Date: October 2021 > +KernelVersion: 5.16 > +Contact: Vadim Pasternak <vadimp@xxxxxxxxxx> > +Description: This file allow to overwrite line card VPD hardware write > + protection mode. When attribute is set 1 - write protection is > + disabled, when 0 - enabled. > + Default is 0. > + If the system is in locked-down mode writing this file will not > + be allowed. > + The purpose if this file is to allow line card VPD burning > + during production flow. > + > + The file is read/write. > + > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/reset_aux_pwr_or_ref > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/reset_dc_dc_pwr_fail > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/reset_fpga_not_done > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/reset_from_chassis > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/reset_line_card > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/reset_pwr_off_from_chassis > +Date: October 2021 > +KernelVersion: 5.16 > +Contact: Vadim Pasternak <vadimp@xxxxxxxxxx> > +Description: These files show the line reset cause, as following: power > + auxiliary outage or power refresh, DC-to-DC power failure, FPGA reset > + failed, line card reset failed, power off from chassis. > + Value 1 in file means this is reset cause, 0 - otherwise. Only one of > + the above causes could be 1 at the same time, representing only last > + reset cause. > + > + The files are read only. > + > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/cpld_upgrade_en > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/fpga_upgrade_en > +Date: October 2021 > +KernelVersion: 5.16 > +Contact: Vadim Pasternak <vadimp@xxxxxxxxxx> > +Description: These files allow CPLD and FPGA burning. Value 1 in file means burning > + is enabled, 0 - otherwise. > + If the system is in locked-down mode writing these files will > + not be allowed. > + The purpose of these files to allow line card CPLD and FPGA > + upgrade through the JTAG daisy-chain. > + > + The files are read/write. > + > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/qsfp_pwr_en > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/pwr_en > +Date: October 2021 > +KernelVersion: 5.16 > +Contact: Vadim Pasternak <vadimp@xxxxxxxxxx> > +Description: These files allow to power on/off all QSFP ports and whole line card. > + The attributes are set 1 for power on, 0 - for power off. > + > + The files are read/write. > + > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/agb_spi_burn_en > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/fpga_spi_burn_en > +Date: October 2021 > +KernelVersion: 5.16 > +Contact: Vadim Pasternak <vadimp@xxxxxxxxxx> > +Description: These files allow gearboxes and FPGA SPI flash burning. > + The attributes are set 1 to enable burning, 0 - to disable. > + If the system is in locked-down mode writing these files will > + not be allowed. > + The purpose of these files to allow line card Gearboxes and FPGA > + burning during production flow. > + > + The file is read/write. > + > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/max_power > +What: /sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-*/i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/config > +Date: October 2021 > +KernelVersion: 5.16 > +Contact: Vadim Pasternak <vadimp@xxxxxxxxxx> > +Description: These files provide the maximum powered required for line card > + feeding and line card configuration Id. > + > + The files are read only. >
