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[34.127.9.76]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-361410a7a9fsm33438a91.12.2026.04.16.16.35.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Apr 2026 16:35:05 -0700 (PDT) Date: Thu, 16 Apr 2026 23:35:00 +0000 From: David Matlack To: Josh Hilke Cc: Alex Williamson , Sean Christopherson , Vipin Sharma , Raghavendra Rao Ananta , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/1] vfio: selftests: Find devices that have VFIO selftest drivers Message-ID: References: <20260414230943.41198-1-jrhilke@google.com> <20260414230943.41198-2-jrhilke@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260414230943.41198-2-jrhilke@google.com> On 2026-04-14 11:09 PM, Josh Hilke wrote: > Add a new script, list_devices.sh, which prints out the > segment:bus:device.function numbers of devices on a machine that have a VFIO > selftest driver. This makes it easier to determine if the system is capable of > running VFIO selftests, because devices that have a VFIO selftest driver are > compatible with all VFIO selftests. > > Example: > $ ./tools/testing/selftests/vfio/scripts/list_devices.sh > 0000:6a:01.0 > 0000:6f:01.0 > 0000:74:01.0 > > Signed-off-by: Josh Hilke > Suggested-by: Sean Christopherson Aside the nit below, looks good to me. But would like to get Sean's feedback too since he requested it. Reviewed-by: David Matlack > --- > tools/testing/selftests/vfio/Makefile | 1 + > .../selftests/vfio/scripts/list_devices.sh | 22 +++++++++++++++++++ > 2 files changed, 23 insertions(+) > create mode 100755 tools/testing/selftests/vfio/scripts/list_devices.sh > > diff --git a/tools/testing/selftests/vfio/Makefile b/tools/testing/selftests/vfio/Makefile > index 8e90e409e91d..d48ac967f1dc 100644 > --- a/tools/testing/selftests/vfio/Makefile > +++ b/tools/testing/selftests/vfio/Makefile > @@ -15,6 +15,7 @@ TEST_GEN_PROGS += vfio_pci_driver_test > > TEST_FILES += scripts/cleanup.sh > TEST_FILES += scripts/lib.sh > +TEST_FILES += scripts/list_devices.sh > TEST_FILES += scripts/run.sh > TEST_FILES += scripts/setup.sh > > diff --git a/tools/testing/selftests/vfio/scripts/list_devices.sh b/tools/testing/selftests/vfio/scripts/list_devices.sh > new file mode 100755 > index 000000000000..b56fa23d5657 > --- /dev/null > +++ b/tools/testing/selftests/vfio/scripts/list_devices.sh > @@ -0,0 +1,22 @@ > +#!/bin/bash > +# SPDX-License-Identifier: GPL-2.0-or-later > + > +# List of devices which have a VFIO selftest driver > +DEVICES=( nit: Use readonly here. > + "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 vendor_device_id > + > + for vendor_device_id in "${DEVICES[@]}"; do > + lspci -D -d "${vendor_device_id}" | awk '{print $1}' > + done > +} > + > +main "$@" > -- > 2.54.0.rc0.605.g598a273b03-goog >