Commit c5c065e9 authored by Michal Berger's avatar Michal Berger Committed by Tomasz Zawadzki
Browse files

scripts/common: Add iommu_groups info to pci cache 



Change-Id: Ide868b1d0aec30dfeb281531102c0d465e53a87a
Signed-off-by: default avatarMichal Berger <michal.berger@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/20959


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <jim.harris@samsung.com>
Reviewed-by: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
parent 67c53372

scripts/common.sh

+35 −0
Original line number Diff line number Diff line
@@ -50,6 +50,8 @@ cache_pci_init() { 
	local -gA pci_bus_driver

	local -gA pci_mod_driver

	local -gA pci_mod_resolved

	local -gA pci_iommu_groups

	local -ga iommu_groups



	[[ -z ${pci_bus_cache[*]} || $CMD == reset ]] || return 1
@@ -59,6 +61,8 @@ cache_pci_init() { 
	pci_bus_driver=()

	pci_mod_driver=()

	pci_mod_resolved=()

	pci_iommu_groups=()

	iommu_groups=()

}



cache_pci() {
@@ -82,6 +86,37 @@ cache_pci() { 
		pci_mod_driver["$pci"]=$mod

		pci_mod_resolved["$pci"]=$(resolve_mod "$mod")

	fi



	cache_pci_iommu_group "$pci"

}



cache_iommu_group() {

	local iommu_group=$1 pcis=() pci



	[[ -e /sys/kernel/iommu_groups/$iommu_group/type ]] || return 0



	local -n _iommu_group_ref=_iommu_group_$iommu_group



	iommu_groups[iommu_group]="_iommu_group_${iommu_group}[@]"



	for pci in "/sys/kernel/iommu_groups/$iommu_group/devices/"*; do

		pci=${pci##*/}

		[[ -n ${pci_iommu_groups["$pci"]} ]] && continue

		pci_iommu_groups["$pci"]=$iommu_group

		_iommu_group_ref+=("$pci")

	done



}



cache_pci_iommu_group() {

	local pci=$1 iommu_group



	[[ -e /sys/bus/pci/devices/$pci/iommu_group ]] || return 0



	iommu_group=$(readlink -f "/sys/bus/pci/devices/$pci/iommu_group")

	iommu_group=${iommu_group##*/}



	cache_iommu_group "$iommu_group"

}



cache_pci_bus_sysfs() {