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| author | Dan Williams <dan.j.williams@intel.com> | 2023-02-10 12:05:39 +0300 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2023-02-11 04:31:58 +0300 |
| commit | 7d505f982f53189da819581ad4cc13c8cef76803 (patch) | |
| tree | 57894cabde6c0bb9897c5b3f1cb04841518d713a /drivers/cxl/cxl.h | |
| parent | 8752efd2c79c2f0d97011c414f07340b51c99499 (diff) | |
| download | linux-7d505f982f53189da819581ad4cc13c8cef76803.tar.xz | |
cxl/region: Add a mode attribute for regions
In preparation for a new region type, "ram" regions, add a mode
attribute to clarify the mode of the decoders that can be added to a
region. Share the internals of mode_show() (for decoders) with the
region case.
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Gregory Price <gregory.price@memverge.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Tested-by: Fan Ni <fan.ni@samsung.com>
Link: https://lore.kernel.org/r/167601993930.1924368.4305018565539515665.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/cxl/cxl.h')
| -rw-r--r-- | drivers/cxl/cxl.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h index aa3af3bb73b2..ca76879af1de 100644 --- a/drivers/cxl/cxl.h +++ b/drivers/cxl/cxl.h @@ -320,6 +320,20 @@ enum cxl_decoder_mode { CXL_DECODER_DEAD, }; +static inline const char *cxl_decoder_mode_name(enum cxl_decoder_mode mode) +{ + static const char * const names[] = { + [CXL_DECODER_NONE] = "none", + [CXL_DECODER_RAM] = "ram", + [CXL_DECODER_PMEM] = "pmem", + [CXL_DECODER_MIXED] = "mixed", + }; + + if (mode >= CXL_DECODER_NONE && mode <= CXL_DECODER_MIXED) + return names[mode]; + return "mixed"; +} + /** * struct cxl_endpoint_decoder - Endpoint / SPA to DPA decoder * @cxld: base cxl_decoder_object |