> pciconf -t
--- pci0:0
  |--- hostb0
  |--- amdviiommu0
  |--- hostb1
  |--- pcib1
  |  `--- nvme0
  |--- pcib2
  |  |--- xhci0
  |  |--- ahci0
  |  `--- pcib3
  |     |--- pcib4
  |     |--- pcib5
  |     `--- pcib6
  |        `--- igc0
  |--- hostb2
  |--- hostb3
  |--- pcib7
  |  |--- vgapci0
  |  `--- hdac0
  |--- hostb4
  |--- hostb5
  |--- hostb6
  |--- pcib8
  |  `--- pci0:8:0:0
  |--- hostb7
  |--- pcib9
  |  |--- pci0:9:0:0
  |  |--- pci0:9:0:1
  |  |--- xhci1
  |  `--- hdac1
  |--- intsmb0
  |--- isab0
  |--- hostb8
  |--- hostb9
  |--- hostb10
  |--- hostb11
  |--- hostb12
  |--- hostb13
  |--- hostb14
  `--- hostb15

> pciconf -tv
--- pci0:0
  |--- hostb0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse Root Complex
  |--- amdviiommu0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse IOMMU
  |--- hostb1 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
  |--- pcib1 Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP Bridge
  |  `--- nvme0 Samsung Electronics Co Ltd NVMe SSD Controller 980 (DRAM-less)
  |--- pcib2 Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP Bridge
  |  |--- xhci0 Advanced Micro Devices, Inc. [AMD] 500 Series Chipset USB 3.1 XHCI Controller
  |  |--- ahci0 Advanced Micro Devices, Inc. [AMD] 500 Series Chipset SATA Controller
  |  `--- pcib3 Advanced Micro Devices, Inc. [AMD] 500 Series Chipset Switch Upstream Port
  |     |--- pcib4 Advanced Micro Devices, Inc. [AMD] 500 Series Chipset Switch Downstream Port
  |     |--- pcib5 Advanced Micro Devices, Inc. [AMD] 500 Series Chipset Switch Downstream Port
  |     `--- pcib6 Advanced Micro Devices, Inc. [AMD] 500 Series Chipset Switch Downstream Port
  |        `--- igc0 Intel Corporation Ethernet Controller I225-V
  |--- hostb2 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
  |--- hostb3 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
  |--- pcib7 Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP Bridge
  |  |--- vgapci0 NVIDIA Corporation GF119 [GeForce GT 520]
  |  `--- hdac0 NVIDIA Corporation GF119 HDMI Audio Controller
  |--- hostb4 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
  |--- hostb5 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
  |--- hostb6 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
  |--- pcib8 Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
  |  `--- pci0:8:0:0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Function
  |--- hostb7 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
  |--- pcib9 Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
  |  |--- pci0:9:0:0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse Reserved SPP
  |  |--- pci0:9:0:1 Advanced Micro Devices, Inc. [AMD] Starship/Matisse Cryptographic Coprocessor PSPCPP
  |  |--- xhci1 Advanced Micro Devices, Inc. [AMD] Matisse USB 3.0 Host Controller
  |  `--- hdac1 Advanced Micro Devices, Inc. [AMD] Starship/Matisse HD Audio Controller
  |--- intsmb0 Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller
  |--- isab0 Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge
  |--- hostb8 Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data Fabric: Device 18h; Function 0
  |--- hostb9 Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data Fabric: Device 18h; Function 1
  |--- hostb10 Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data Fabric: Device 18h; Function 2
  |--- hostb11 Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data Fabric: Device 18h; Function 3
  |--- hostb12 Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data Fabric: Device 18h; Function 4
  |--- hostb13 Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data Fabric: Device 18h; Function 5
  |--- hostb14 Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data Fabric: Device 18h; Function 6
  `--- hostb15 Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data Fabric: Device 18h; Function 7