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authorDan Williams <dan.j.williams@intel.com>2021-09-09 07:12:04 +0200
committerDan Williams <dan.j.williams@intel.com>2021-09-21 22:44:56 +0200
commit5af96835e4dafd21a766fd7a8e583ec7abbfe98c (patch)
treec0518fb5d426b127a23029acb8ea690d719d63fe /drivers/nvdimm/region.c
parentlibnvdimm/label: Define CXL region labels (diff)
downloadlinux-5af96835e4dafd21a766fd7a8e583ec7abbfe98c.tar.xz
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libnvdimm/labels: Introduce CXL labels
Now that all of use sites of label data have been converted to nsl_* helpers, introduce the CXL label format. The ->cxl flag in nvdimm_drvdata indicates the label format the device expects. A follow-on patch allows a bus provider to select the label style. Note that the EFI definition of the labels represents the Linux "claim class" with a GUID. The CXL definition of the labels stores the same identifier in UUID byte order. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/163116432405.2460985.5547867384570123403.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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