| Message ID | 20211002093238.3771419-10-vadimp@nvidia.com (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Headers | show |
| Series | platform: mellanox: Introduce initial chassis management support for modular Ethernet system | expand |
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@nvidia.com> > Reviewed-by: Michael Shych <michaelsh@nvidia.com> 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@nvidia.com> > +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@nvidia.com> > +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@nvidia.com> > +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@nvidia.com> > +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@nvidia.com> > +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@nvidia.com> > +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@nvidia.com> > +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@nvidia.com> > +Description: These files provide the maximum powered required for line card > + feeding and line card configuration Id. > + > + The files are read only. >
> -----Original Message----- > From: Hans de Goede <hdegoede@redhat.com> > Sent: Tuesday, October 19, 2021 11:57 AM > To: Vadim Pasternak <vadimp@nvidia.com> > Cc: platform-driver-x86@vger.kernel.org; Michael Shych > <michaelsh@nvidia.com> > Subject: Re: [PATCH platform-next 09/10] Documentation/ABI: Add new line > card attributes for mlxreg-io sysfs interfaces > > 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@nvidia.com> > > Reviewed-by: Michael Shych <michaelsh@nvidia.com> > > 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. Thank you very much for fixing it. > > 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@nvidia.com> > > +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@nvidia.com> > > +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@nvidia.com> > > +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@nvidia.com> > > +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@nvidia.com> > > +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@nvidia.com> > > +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@nvidia.com> > > +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@nvidia.com> > > +Description: These files provide the maximum powered required for line > card > > + feeding and line card configuration Id. > > + > > + The files are read only. > >
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@nvidia.com> +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@nvidia.com> +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@nvidia.com> +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@nvidia.com> +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@nvidia.com> +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@nvidia.com> +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@nvidia.com> +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@nvidia.com> +Description: These files provide the maximum powered required for line card + feeding and line card configuration Id. + + The files are read only.