drivers/nvdimm/label.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  * Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
19 	NSLABEL_FLAG_ROLABEL = 0x1,  /* read-only label */
20 	NSLABEL_FLAG_LOCAL = 0x2,    /* DIMM-local namespace */
26 	BTTINFO_FLAG_ERROR = 0x1,    /* error state (read-only) */
34  * struct nd_namespace_index - label set superblock
37  * @labelsize: log2 size (v1 labels 128 bytes v2 labels 256 bytes)
70  * struct cxl_region_label - CXL 2.0 Table 211
74  * @nlabel: 1 per interleave-way in the region
76  * @dpa: start address in device-local capacity for this label
102  * struct nvdimm_efi_label - namespace superblock
104  * @name: optional name (NULL-terminated)
106  * @nlabel: num labels to describe this ns
107  * @position: labels position in set
144  * struct nvdimm_cxl_label - CXL 2.0 Table 212
151  * @dpa: start address in device-local capacity for this label
157  * @lbasize: address geometry for disk-like personalities
186 #define NVDIMM_BTT_GUID "8aed63a2-29a2-4c66-8b12-f05d15d3922a"
187 #define NVDIMM_BTT2_GUID "18633bfc-1735-4217-8ac9-17239282d3f8"
188 #define NVDIMM_PFN_GUID "266400ba-fb9f-4677-bcb0-968f11d0d225"
189 #define NVDIMM_DAX_GUID "97a86d9c-3cdd-4eda-986f-5068b4f80088"
191 #define CXL_REGION_UUID "529d7c61-da07-47c4-a93f-ecdf2c06f444"
192 #define CXL_NAMESPACE_UUID "68bb2c0a-5a77-4937-9f85-3caf41a0f93c"
195  * struct nd_label_id - identifier string for dpa allocation
196  * @id: "pmem-<namespace uuid>"
209 		return -1;  in nd_label_next_nsindex()