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| author | Frank Li <Frank.Li@nxp.com> | 2022-02-22 19:23:54 +0300 |
|---|---|---|
| committer | Jon Mason <jdmason@kudzu.us> | 2022-08-10 00:54:08 +0300 |
| commit | e35f56bb03304abc92c928b641af41ca372966bb (patch) | |
| tree | c1006694bdf65ff135052d172f76700bf217f4f0 /drivers/pci/hotplug | |
| parent | e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4 (diff) | |
| download | linux-e35f56bb03304abc92c928b641af41ca372966bb.tar.xz | |
PCI: endpoint: Support NTB transfer between RC and EP
Add NTB function driver and virtual PCI Bus and Virtual NTB driver
to implement communication between PCIe Root Port and PCIe EP devices
┌────────────┐ ┌─────────────────────────────────────┐
│ │ │ │
├────────────┤ │ ┌──────────────┤
│ NTB │ │ │ NTB │
│ NetDev │ │ │ NetDev │
├────────────┤ │ ├──────────────┤
│ NTB │ │ │ NTB │
│ Transfer │ │ │ Transfer │
├────────────┤ │ ├──────────────┤
│ │ │ │ │
│ PCI NTB │ │ │ │
│ EPF │ │ │ │
│ Driver │ │ │ PCI Virtual │
│ │ ├───────────────┐ │ NTB Driver │
│ │ │ PCI EP NTB │◄────►│ │
│ │ │ FN Driver │ │ │
├────────────┤ ├───────────────┤ ├──────────────┤
│ │ │ │ │ │
│ PCI Bus │ ◄─────► │ PCI EP Bus │ │ Virtual PCI │
│ │ PCI │ │ │ Bus │
└────────────┘ └───────────────┴──────┴──────────────┘
PCIe Root Port PCI EP
This driver includes 3 parts:
1 PCI EP NTB function driver
2 Virtual PCI bus
3 PCI virtual NTB driver, which is loaded only by above virtual PCI bus
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Diffstat (limited to 'drivers/pci/hotplug')
0 files changed, 0 insertions, 0 deletions