Version 2 patch series for PCIe DOE for PCIe and CXL 2.0
Summary is
1: PCIe DOE support for Discovery and CMA.
- MSI-X and polling supported
2: CXL DOE for CDAT and Compliance Mode.
- DOE CDAT response returns one CDAT Structure instance based on
request EntryHandle value.
- One of each CDAT Structure types supported
Based on QEMU version:
https://gitlab.com/bwidawsk/qemu/-/tree/cxl-2.0v3
References:
1. CXL 2.0 specification
https://www.computeexpresslink.org/download-the-specification
2. PCI-SIG ECN: Data Object Exchange (DOE)
http://www.pcisig.com
3. Coherent Device Attribute Table CDAT 1.02
https://uefi.org/sites/default/files/resources/Coherent%20Device%20Attribute%20Table_1.02.pdf
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Chris Browy (2):
Basic PCIe DOE support
Basic CXL DOE for CDAT and Compliance Mode
MAINTAINERS | 7 +
hw/cxl/cxl-component-utils.c | 132 ++++++++++
hw/mem/cxl_type3.c | 172 +++++++++++++
hw/pci/meson.build | 1 +
hw/pci/pcie.c | 2 +-
hw/pci/pcie_doe.c | 414 ++++++++++++++++++++++++++++++
include/hw/cxl/cxl_cdat.h | 120 +++++++++
include/hw/cxl/cxl_compl.h | 289 +++++++++++++++++++++
include/hw/cxl/cxl_component.h | 126 +++++++++
include/hw/cxl/cxl_device.h | 3 +
include/hw/cxl/cxl_pci.h | 4 +
include/hw/pci/pci_ids.h | 2 +
include/hw/pci/pcie.h | 1 +
include/hw/pci/pcie_doe.h | 166 ++++++++++++
include/hw/pci/pcie_regs.h | 4 +
include/standard-headers/linux/pci_regs.h | 3 +-
16 files changed, 1444 insertions(+), 2 deletions(-)
create mode 100644 hw/pci/pcie_doe.c
create mode 100644 include/hw/cxl/cxl_cdat.h
create mode 100644 include/hw/cxl/cxl_compl.h
create mode 100644 include/hw/pci/pcie_doe.h
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1.8.3.1
