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cxl/pci: Convert register block identifiers to an enum

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In preparation for passing around the Register Block Indicator (RBI) as
a parameter, it is desirable to convert the type to an enum so that the
interface can use a well defined parameter.

Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
[djbw: changelog fixups ]
Link: https://lore.kernel.org/r/163379784199.692348.4366131432595112771.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Ben Widawsky 2021-10-09 09:44:02 -07:00 committed by Dan Williams
parent 91a45b12d4
commit cdcce47cb3
1 changed files with 8 additions and 6 deletions
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14
drivers/cxl/pci.h
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@ -20,13 +20,15 @@
#define CXL_REGLOC_BIR_MASK GENMASK(2, 0)
/* Register Block Identifier (RBI) */
#define CXL_REGLOC_RBI_MASK GENMASK(15, 8)
#define CXL_REGLOC_RBI_EMPTY 0
#define CXL_REGLOC_RBI_COMPONENT 1
#define CXL_REGLOC_RBI_VIRT 2
#define CXL_REGLOC_RBI_MEMDEV 3
#define CXL_REGLOC_RBI_TYPES CXL_REGLOC_RBI_MEMDEV + 1
enum cxl_regloc_type {
CXL_REGLOC_RBI_EMPTY = 0,
CXL_REGLOC_RBI_COMPONENT,
CXL_REGLOC_RBI_VIRT,
CXL_REGLOC_RBI_MEMDEV,
CXL_REGLOC_RBI_TYPES
};
#define CXL_REGLOC_RBI_MASK GENMASK(15, 8)
#define CXL_REGLOC_ADDR_MASK GENMASK(31, 16)
#endif /* __CXL_PCI_H__ */