Re: [PATCH v2 1/1] vfio: selftests: Find devices that have VFIO selftest drivers

[Sean Christopherson <seanjc@google.com>]

On Tue, Apr 14, 2026, Josh Hilke wrote:
> +# Print the segment:bus:device.function numbers of PCI devices that can be used
> +# to run VFIO selftests.
> +function main() {
> +	local vendor_device_id
> +
> +	for vendor_device_id in "${DEVICES[@]}"; do
> +		lspci -D -d "${vendor_device_id}" | awk '{print $1}'

For ignorant people like me, it would be helpful to capture what device was actually
found.  I mean, I don't necessarily know exactly what these devices do, but as the
list grows, at least having a general sense of what device I'm going to be feeding
into VFIO would be helpful.

E.g. something like this (ignore my terrible script skills)?

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later

# List of devices which have a VFIO selftest driver
DEVICES=(
	"8086:0b25","Intel SPR DSA"
	"8086:11fb","Intel GNR-D DSA"
	"8086:1212","Intel DR DSA"
	"8086:0cf8","Intel CBDMA"
)

# Print the segment:bus:device.function numbers of PCI devices that can be used
# to run VFIO selftests.
function main() {
	local found
	local i 

	OLDIFS=$IFS
	IFS=','

	for i in "${DEVICES[@]}"; do
		set -- $i
		found=$(lspci -D -d "$1" | cut -f 1 -d ' ')
		if [[ -n $found ]]; then
			echo "$2 ($1) Device IDs:"
			echo $found
		fi
	done

	IFS=$OLDIFS
}

main


# ./devices.sh 
Intel SPR DSA (8086:0b25) Device IDs:
0000:6a:01.0
0000:6f:01.0
0000:74:01.0
0000:79:01.0
0000:e7:01.0
0000:ec:01.0
0000:f1:01.0
0000:f6:01.0


> +	done
> +}
> +
> +main "$@"

Why pass along args?  The script doesn't actually recognize any arguments.

> -- 
> 2.54.0.rc0.605.g598a273b03-goog
>