Files
rockchip-kernel/include/linux
Jonathan Cameron 9d24322e88 PCI/DOE: Add DOE mailbox support functions
Introduced in a PCIe r6.0, sec 6.30, DOE provides a config space based
mailbox with standard protocol discovery.  Each mailbox is accessed
through a DOE Extended Capability.

Each DOE mailbox must support the DOE discovery protocol in addition to
any number of additional protocols.

Define core PCIe functionality to manage a single PCIe DOE mailbox at a
defined config space offset.  Functionality includes iterating,
creating, query of supported protocol, and task submission.  Destruction
of the mailboxes is device managed.

Cc: "Li, Ming" <ming4.li@intel.com>
Cc: Bjorn Helgaas <helgaas@kernel.org>
Cc: Matthew Wilcox <willy@infradead.org>
Acked-by: Bjorn Helgaas <helgaas@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Co-developed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Link: https://lore.kernel.org/r/20220719205249.566684-4-ira.weiny@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2022-07-19 15:38:04 -07:00
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