cxl/hdm: Emulate HDM decoder from DVSEC range registers

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In the case where HDM decoder register block exists but is not programmed
and at the same time the DVSEC range register range is active, populate the
CXL decoder object 'cxl_decoder' with info from DVSEC range registers.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/167640368454.935665.13806415120298330717.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Dave Jiang 2023-02-14 11:41:24 -08:00 • committed by Dan Williams

parent 9de321e93c

commit b777e9bec9

7 changed files with 45 additions and 11 deletions

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36

drivers/cxl/core/hdm.c

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2

drivers/cxl/core/pci.c

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3

drivers/cxl/cxl.h

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2

drivers/cxl/port.c

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3

tools/testing/cxl/test/cxl.c

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7

tools/testing/cxl/test/mock.c

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3

tools/testing/cxl/test/mock.h

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