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The PCI device vendor/device IDs have been cached to pd->vdid, no
need to pass them in pci_handle_quirk(). This also introduces two
macros to extract vendor/device fields and they are useful afterwards.
No logical changes introduced.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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Adding these properties enables the kernel to function in the same way
that it would if it could no longer access BMC configuration registers
through a backdoor, which may become the default in future.
The comments describe how isolating the host from the BMC could be
achieved in skiboot, assuming all kernels that the system boots
support this. Isolating the BMC and the host from each other is
important if they are owned by different parties; for example, a cloud
provider renting machines "bare metal".
Acked-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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In future we may want to be able to do fixups for specific PCI devices in
skiboot, so add a small framework for doing this.
This is not intended for the same purposes as quirks in the Linux kernel,
as the PCI devices that quirks can match for in skiboot are not properly
configured. This is intended to enable having a custom path to make
changes that don't directly interact with the PCI device, for example
adding device tree entries.
Signed-off-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
[stewart@linux.vnet.ibm.com: fix 0 vs NULL sparse warning, (C) date]
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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