en Copyright 2015 Java http://172.16.0.5:8080/history/pciutils/tests/cap-vendor-virtio#1bfc2be0 lspci: add VirtIO SharedMemory capability supportThis patch adds the support for VirtIO share memory capability [1].A shared memory region is defined in a `struct virtio_pci_cap64`where the highest 32 bits of `offset` and `size` are appened to theoriginal `struct virtio_pci_cap`.With this patch, a VirtIO PMEM device (ID 27) shows like thefollowing:```00:02.0 Class ffff: Device 1af4:105b (rev 01) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Region 0: Memory at 100001000 (64-bit, non-prefetchable) [size=4K] Region 2: Memory at 101000000 (64-bit, non-prefetchable) [size=16M] Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg BAR=0 offset=00000000 size=0000003c Capabilities: [50] Vendor Specific Information: VirtIO: ISR BAR=0 offset=0000003c size=00000001 Capabilities: [60] Vendor Specific Information: VirtIO: Notify BAR=0 offset=00000040 size=00000002 multiplier=00000002 Capabilities: [78] MSI-X: Enable+ Count=2 Masked- Vector table: BAR=0 offset=00000058 PBA: BAR=0 offset=00000078 Capabilities: [88] Vendor Specific Information: VirtIO: DeviceCfg BAR=0 offset=00000044 size=00000010 Capabilities: [98] Vendor Specific Information: VirtIO: SharedMemory BAR=2 offset=0000000000000000 size=0000000001000000 id=0 Kernel driver in use: virtio-pci```[1] Sec 4.1.4.7 https://docs.oasis-open.org/virtio/virtio/v1.2/csd01/virtio-v1.2-csd01.html#x1-1240004Signed-off-by: Changyuan Lyu <changyuan.lv@gmail.com> List of files: /pciutils/tests/cap-vendor-virtio Sat, 30 Dec 2023 01:37:28 +0000 Changyuan Lyu <changyuan.lv@gmail.com> http://172.16.0.5:8080/history/pciutils/tests/cap-vendor-virtio#d769789d Added test case for virtio List of files: /pciutils/tests/cap-vendor-virtio Thu, 22 Jan 2015 21:31:24 +0000 Martin Mares <mj@ucw.cz>