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[Mellanox] Add restricted sysfs list for fw control modules #20

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[Mellanox] Add restricted sysfs list for fw control modules #20

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22 changes: 15 additions & 7 deletions scripts/generate_dump
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Original file line number Diff line number Diff line change
Expand Up @@ -921,14 +921,19 @@ save_sdk_sysfs() {
shift 2
# sys files we do not want to include in dump
local excludes=("$@")

# there are module's sysfs which we cannot access while the module is in fw control
local fw_control_skip_list=(frequency_support frequency hw_present hw_reset low_power_mode power_good power_limit)
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$MKDIR $V -p "$dest"

should_skip() {
local base="$1"
for ex in "${excludes[@]}"; do
[[ "$base" == "$ex" ]] && return 0
shift
local skip_list=("$@")

for skip in "${skip_list[@]}"; do
[[ "$base" == "$skip" ]] && return 0
done

return 1
}

Expand All @@ -946,7 +951,7 @@ save_sdk_sysfs() {
for f in "$src"/*; do
if [[ -f "$f" ]]; then
local base="$(basename "$f")"
should_skip "$base" && continue
should_skip "$base" "${excludes[@]}" && continue
copy_file_content "$f" "$dest/$base"
fi
done
Expand All @@ -957,10 +962,12 @@ save_sdk_sysfs() {
local subdir_dest="$dest/$(basename "$d")"
$MKDIR $V -p "$subdir_dest"

local present=0 hw_present="" frequency_support=0 only_copy_presence_files=false
local present=0 hw_present="" control="" frequency_support=0 only_copy_presence_files=false
[[ -f "$d/control" ]] && control=$(<"$d/control")
[[ -f "$d/present" ]] && present=$(<"$d/present")
[[ -f "$d/hw_present" ]] && hw_present=$(<"$d/hw_present")
[[ -f "$d/frequency_support" ]] && frequency_support=$(<"$d/frequency_support")
# frequency_support is supported only for SW control modules
[[ "$control" == "1" && -f "$d/frequency_support" ]] && frequency_support=$(<"$d/frequency_support")

# if the module is unplugged, skip the rest of the files
if [[ -n "$hw_present" ]]; then
Expand All @@ -975,7 +982,8 @@ save_sdk_sysfs() {
for f in "$d"/*; do
if [[ -f "$f" ]]; then
local base="$(basename "$f")"
should_skip "$base" && continue
should_skip "$base" "${excludes[@]}" && continue
[[ "$control" == "0" ]] && should_skip "$base" "${fw_control_skip_list[@]}" && continue

[[ "$only_copy_presence_files" == true && "$base" != "present" && "$base" != "hw_present" ]] && continue
[[ "$frequency_support" == "0" && "$base" == "frequency" ]] && continue
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