73c7ced753
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> |
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