2 * Copyright (c) 2014-2015, Intel Corporation.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU Lesser General Public License,
6 * version 2.1, as published by the Free Software Foundation.
8 * This program is distributed in the hope it will be useful, but WITHOUT ANY
9 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
10 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
16 #include <linux/types.h>
23 struct nd_cmd_smart_threshold
{
28 struct nd_cmd_dimm_flags
{
33 struct nd_cmd_get_config_size
{
39 struct nd_cmd_get_config_data_hdr
{
46 struct nd_cmd_set_config_hdr
{
52 struct nd_cmd_vendor_hdr
{
58 struct nd_cmd_vendor_tail
{
64 struct nd_cmd_ars_cap
{
73 struct nd_cmd_ars_start
{
83 struct nd_cmd_ars_status
{
88 __u64 restart_address
;
93 struct nd_ars_record
{
98 } __packed records
[0];
101 struct nd_cmd_clear_error
{
110 ND_CMD_IMPLEMENTED
= 0,
114 ND_CMD_ARS_START
= 2,
115 ND_CMD_ARS_STATUS
= 3,
116 ND_CMD_CLEAR_ERROR
= 4,
118 /* per-dimm commands */
120 ND_CMD_SMART_THRESHOLD
= 2,
121 ND_CMD_DIMM_FLAGS
= 3,
122 ND_CMD_GET_CONFIG_SIZE
= 4,
123 ND_CMD_GET_CONFIG_DATA
= 5,
124 ND_CMD_SET_CONFIG_DATA
= 6,
125 ND_CMD_VENDOR_EFFECT_LOG_SIZE
= 7,
126 ND_CMD_VENDOR_EFFECT_LOG
= 8,
132 ND_ARS_PERSISTENT
= 2,
135 static inline const char *nvdimm_bus_cmd_name(unsigned cmd
)
137 static const char * const names
[] = {
138 [ND_CMD_ARS_CAP
] = "ars_cap",
139 [ND_CMD_ARS_START
] = "ars_start",
140 [ND_CMD_ARS_STATUS
] = "ars_status",
141 [ND_CMD_CLEAR_ERROR
] = "clear_error",
144 if (cmd
< ARRAY_SIZE(names
) && names
[cmd
])
149 static inline const char *nvdimm_cmd_name(unsigned cmd
)
151 static const char * const names
[] = {
152 [ND_CMD_SMART
] = "smart",
153 [ND_CMD_SMART_THRESHOLD
] = "smart_thresh",
154 [ND_CMD_DIMM_FLAGS
] = "flags",
155 [ND_CMD_GET_CONFIG_SIZE
] = "get_size",
156 [ND_CMD_GET_CONFIG_DATA
] = "get_data",
157 [ND_CMD_SET_CONFIG_DATA
] = "set_data",
158 [ND_CMD_VENDOR_EFFECT_LOG_SIZE
] = "effect_size",
159 [ND_CMD_VENDOR_EFFECT_LOG
] = "effect_log",
160 [ND_CMD_VENDOR
] = "vendor",
163 if (cmd
< ARRAY_SIZE(names
) && names
[cmd
])
170 #define ND_IOCTL_SMART _IOWR(ND_IOCTL, ND_CMD_SMART,\
173 #define ND_IOCTL_SMART_THRESHOLD _IOWR(ND_IOCTL, ND_CMD_SMART_THRESHOLD,\
174 struct nd_cmd_smart_threshold)
176 #define ND_IOCTL_DIMM_FLAGS _IOWR(ND_IOCTL, ND_CMD_DIMM_FLAGS,\
177 struct nd_cmd_dimm_flags)
179 #define ND_IOCTL_GET_CONFIG_SIZE _IOWR(ND_IOCTL, ND_CMD_GET_CONFIG_SIZE,\
180 struct nd_cmd_get_config_size)
182 #define ND_IOCTL_GET_CONFIG_DATA _IOWR(ND_IOCTL, ND_CMD_GET_CONFIG_DATA,\
183 struct nd_cmd_get_config_data_hdr)
185 #define ND_IOCTL_SET_CONFIG_DATA _IOWR(ND_IOCTL, ND_CMD_SET_CONFIG_DATA,\
186 struct nd_cmd_set_config_hdr)
188 #define ND_IOCTL_VENDOR _IOWR(ND_IOCTL, ND_CMD_VENDOR,\
189 struct nd_cmd_vendor_hdr)
191 #define ND_IOCTL_ARS_CAP _IOWR(ND_IOCTL, ND_CMD_ARS_CAP,\
192 struct nd_cmd_ars_cap)
194 #define ND_IOCTL_ARS_START _IOWR(ND_IOCTL, ND_CMD_ARS_START,\
195 struct nd_cmd_ars_start)
197 #define ND_IOCTL_ARS_STATUS _IOWR(ND_IOCTL, ND_CMD_ARS_STATUS,\
198 struct nd_cmd_ars_status)
200 #define ND_IOCTL_CLEAR_ERROR _IOWR(ND_IOCTL, ND_CMD_CLEAR_ERROR,\
201 struct nd_cmd_clear_error)
203 #define ND_DEVICE_DIMM 1 /* nd_dimm: container for "config data" */
204 #define ND_DEVICE_REGION_PMEM 2 /* nd_region: (parent of PMEM namespaces) */
205 #define ND_DEVICE_REGION_BLK 3 /* nd_region: (parent of BLK namespaces) */
206 #define ND_DEVICE_NAMESPACE_IO 4 /* legacy persistent memory */
207 #define ND_DEVICE_NAMESPACE_PMEM 5 /* PMEM namespace (may alias with BLK) */
208 #define ND_DEVICE_NAMESPACE_BLK 6 /* BLK namespace (may alias with PMEM) */
210 enum nd_driver_flags
{
211 ND_DRIVER_DIMM
= 1 << ND_DEVICE_DIMM
,
212 ND_DRIVER_REGION_PMEM
= 1 << ND_DEVICE_REGION_PMEM
,
213 ND_DRIVER_REGION_BLK
= 1 << ND_DEVICE_REGION_BLK
,
214 ND_DRIVER_NAMESPACE_IO
= 1 << ND_DEVICE_NAMESPACE_IO
,
215 ND_DRIVER_NAMESPACE_PMEM
= 1 << ND_DEVICE_NAMESPACE_PMEM
,
216 ND_DRIVER_NAMESPACE_BLK
= 1 << ND_DEVICE_NAMESPACE_BLK
,
220 ND_MIN_NAMESPACE_SIZE
= 0x00400000,
224 ARS_STATUS_MASK
= 0x0000FFFF,
225 ARS_EXT_STATUS_SHIFT
= 16,
227 #endif /* __NDCTL_H__ */