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scripts/common: Cache the pci driver

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Signed-off-by: Michal Berger <michalx.berger@intel.com>
Change-Id: Ie0ab6b31757b0446c697f59bfc789e78207b6e34
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7847
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
This commit is contained in:
Michal Berger 2021-05-11 12:02:33 +02:00 committed by Tomasz Zawadzki
parent a3a0651569
commit 5f61a0c919
1 changed files with 15 additions and 4 deletions
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19
scripts/common.sh
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@ -32,16 +32,18 @@ cache_pci_init() {
local -gA pci_bus_cache local -gA pci_bus_cache
local -gA pci_ids_vendor local -gA pci_ids_vendor
local -gA pci_ids_device local -gA pci_ids_device
local -gA pci_bus_driver
[[ -z ${pci_bus_cache[*]} || $CMD == reset ]] || return 1 [[ -z ${pci_bus_cache[*]} || $CMD == reset ]] || return 1
pci_bus_cache=() pci_bus_cache=()
pci_bus_ids_vendor=() pci_bus_ids_vendor=()
pci_bus_ids_device=() pci_bus_ids_device=()
pci_bus_driver=()
} }
cache_pci() { cache_pci() {
local pci=$1 class=$2 vendor=$3 device=$4 local pci=$1 class=$2 vendor=$3 device=$4 driver=$5
if [[ -n $class ]]; then if [[ -n $class ]]; then
class=0x${class/0x/} class=0x${class/0x/}
@ -54,6 +56,9 @@ cache_pci() {
pci_ids_vendor["$pci"]=$vendor pci_ids_vendor["$pci"]=$vendor
pci_ids_device["$pci"]=$device pci_ids_device["$pci"]=$device
fi fi
if [[ -n $driver ]]; then
pci_bus_driver["$pci"]=$driver
fi
} }
cache_pci_bus_sysfs() { cache_pci_bus_sysfs() {
@ -62,11 +67,17 @@ cache_pci_bus_sysfs() {
cache_pci_init || return 0 cache_pci_init || return 0
local pci local pci
local class vendor device local class vendor device driver
for pci in /sys/bus/pci/devices/*; do for pci in /sys/bus/pci/devices/*; do
class=$(< "$pci/class") vendor=$(< "$pci/vendor") device=$(< "$pci/device") class=$(< "$pci/class") vendor=$(< "$pci/vendor") device=$(< "$pci/device") driver=""
cache_pci "${pci##*/}" "$class" "$vendor" "$device" if [[ -e $pci/driver ]]; then
driver=$(readlink -f "$pci/driver")
driver=${driver##*/}
else
driver=unbound
fi
cache_pci "${pci##*/}" "$class" "$vendor" "$device" "$driver"
done done
} }