Commit 5f61a0c9 authored by Michal Berger's avatar Michal Berger Committed by Tomasz Zawadzki
Browse files

scripts/common: Cache the pci driver 



Signed-off-by: default avatarMichal Berger <michalx.berger@intel.com>
Change-Id: Ie0ab6b31757b0446c697f59bfc789e78207b6e34
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7847


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
parent a3a06515

scripts/common.sh

+15 −4
Original line number Diff line number Diff line
@@ -32,16 +32,18 @@ cache_pci_init() { 
	local -gA pci_bus_cache

	local -gA pci_ids_vendor

	local -gA pci_ids_device

	local -gA pci_bus_driver



	[[ -z ${pci_bus_cache[*]} || $CMD == reset ]] || return 1



	pci_bus_cache=()

	pci_bus_ids_vendor=()

	pci_bus_ids_device=()

	pci_bus_driver=()

}



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

		class=0x${class/0x/}
@@ -54,6 +56,9 @@ cache_pci() { 
		pci_ids_vendor["$pci"]=$vendor

		pci_ids_device["$pci"]=$device

	fi

	if [[ -n $driver ]]; then

		pci_bus_driver["$pci"]=$driver

	fi

}



cache_pci_bus_sysfs() {
@@ -62,11 +67,17 @@ cache_pci_bus_sysfs() { 
	cache_pci_init || return 0



	local pci

	local class vendor device

	local class vendor device driver



	for pci in /sys/bus/pci/devices/*; do

		class=$(< "$pci/class") vendor=$(< "$pci/vendor") device=$(< "$pci/device")

		cache_pci "${pci##*/}" "$class" "$vendor" "$device"

		class=$(< "$pci/class") vendor=$(< "$pci/vendor") device=$(< "$pci/device") driver=""

		if [[ -e $pci/driver ]]; then

			driver=$(readlink -f "$pci/driver")

			driver=${driver##*/}

		else

			driver=unbound

		fi

		cache_pci "${pci##*/}" "$class" "$vendor" "$device" "$driver"

	done

}