Upgrade from old image always requires squashfs mount to get the next image FW binary. This can be avoided if we put FW binary under platform directory which is easily accessible after installation:
admin@r-spider-05:~$ ls /host/image-fw-new-loc.0-dirty-20230208.193534/platform/fw-SPC.mfa
/host/image-fw-new-loc.0-dirty-20230208.193534/platform/fw-SPC.mfa
admin@r-spider-05:~$ ls -al /tmp/image-fw-new-loc.0-dirty-20230208.193534-fs/etc/mlnx/fw-SPC.mfa
lrwxrwxrwx 1 root root 66 Feb 8 17:57 /tmp/image-fw-new-loc.0-dirty-20230208.193534-fs/etc/mlnx/fw-SPC.mfa -> /host/image-fw-new-loc.0-dirty-20230208.193534/platform/fw-SPC.mfa
- Why I did it
202211 and above uses different squashfs compression type that 201911 kernel can not handle. Therefore, we avoid mounting squashfs altogether with this change.
- How I did it
Place FW binary under /host/image-/platform/mlnx/, soft links in /etc/mlnx are created to avoid breaking existing scripts/automation.
/etc/mlnx/fw-SPCX.mfa is a soft link always pointing to the FW that should be used in current image
mlnx-fw-upgrade.sh is updated to prefer /host/image-/platform/mlnx location and fallback to /etc/mlnx in squashfs in case new location does not exist. This is necessary to do image downgrade.
- How to verify it
Upgrade from 201911 to 202012
202012 to 201911 downgrade
202012 -> 202012 reboot
ONIE -> 202012 boot (First FW burn)
Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>
- Why I did it
System is stuck on 'starting' state on SimX platform because of infinite loop on 'hw-management-ready.sh' script .
The loop is polling to check if the hw-mgmt sysfs created before proceeding with the flow, for SimX platform the sysfs will never create so the system is not starting properly.
- How I did it
Add a condition to poll on hw-mgmt sysfs only if the switch is real HW and not SimX platform.
- How to verify it
Check "systemctl status hw-management.service" output on a SimX switch with this patch, the state will be "active".
Signed-off-by: Shlomi Bitton <shlomibi@nvidia.com>
**- Why I did it**
Reduce the time it takes for the ASIC FW burn as part of the automatic FW upgrade procedure.
**- How I did it**
Add -d option to mlxfwmanager tool to use the faster MST device and not the default one which is not the fastest one.
**- How to verify it**
I manually changed ASIC FW followed by reboot command in order for FW upgrade to take place on deinit.
I manually changed ASIC FW followed by hard reset in order for FW upgrade to take place on init.
Signed-off-by: liora <liora@nvidia.com>
Install a new FW by specifying FW path (mlnx-fw-upgrade.sh /path/to/FW)
or use default at '/etc/mlnx/fw-SPC.mfa'
Signed-off-by: Stepan Blyschak <stepanb@mellanox.com>
