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];
102 ND_CMD_IMPLEMENTED
= 0,
106 ND_CMD_ARS_START
= 2,
107 ND_CMD_ARS_STATUS
= 3,
109 /* per-dimm commands */
111 ND_CMD_SMART_THRESHOLD
= 2,
112 ND_CMD_DIMM_FLAGS
= 3,
113 ND_CMD_GET_CONFIG_SIZE
= 4,
114 ND_CMD_GET_CONFIG_DATA
= 5,
115 ND_CMD_SET_CONFIG_DATA
= 6,
116 ND_CMD_VENDOR_EFFECT_LOG_SIZE
= 7,
117 ND_CMD_VENDOR_EFFECT_LOG
= 8,
123 ND_ARS_PERSISTENT
= 2,
126 static inline const char *nvdimm_bus_cmd_name(unsigned cmd
)
128 static const char * const names
[] = {
129 [ND_CMD_ARS_CAP
] = "ars_cap",
130 [ND_CMD_ARS_START
] = "ars_start",
131 [ND_CMD_ARS_STATUS
] = "ars_status",
134 if (cmd
< ARRAY_SIZE(names
) && names
[cmd
])
139 static inline const char *nvdimm_cmd_name(unsigned cmd
)
141 static const char * const names
[] = {
142 [ND_CMD_SMART
] = "smart",
143 [ND_CMD_SMART_THRESHOLD
] = "smart_thresh",
144 [ND_CMD_DIMM_FLAGS
] = "flags",
145 [ND_CMD_GET_CONFIG_SIZE
] = "get_size",
146 [ND_CMD_GET_CONFIG_DATA
] = "get_data",
147 [ND_CMD_SET_CONFIG_DATA
] = "set_data",
148 [ND_CMD_VENDOR_EFFECT_LOG_SIZE
] = "effect_size",
149 [ND_CMD_VENDOR_EFFECT_LOG
] = "effect_log",
150 [ND_CMD_VENDOR
] = "vendor",
153 if (cmd
< ARRAY_SIZE(names
) && names
[cmd
])
160 #define ND_IOCTL_SMART _IOWR(ND_IOCTL, ND_CMD_SMART,\
163 #define ND_IOCTL_SMART_THRESHOLD _IOWR(ND_IOCTL, ND_CMD_SMART_THRESHOLD,\
164 struct nd_cmd_smart_threshold)
166 #define ND_IOCTL_DIMM_FLAGS _IOWR(ND_IOCTL, ND_CMD_DIMM_FLAGS,\
167 struct nd_cmd_dimm_flags)
169 #define ND_IOCTL_GET_CONFIG_SIZE _IOWR(ND_IOCTL, ND_CMD_GET_CONFIG_SIZE,\
170 struct nd_cmd_get_config_size)
172 #define ND_IOCTL_GET_CONFIG_DATA _IOWR(ND_IOCTL, ND_CMD_GET_CONFIG_DATA,\
173 struct nd_cmd_get_config_data_hdr)
175 #define ND_IOCTL_SET_CONFIG_DATA _IOWR(ND_IOCTL, ND_CMD_SET_CONFIG_DATA,\
176 struct nd_cmd_set_config_hdr)
178 #define ND_IOCTL_VENDOR _IOWR(ND_IOCTL, ND_CMD_VENDOR,\
179 struct nd_cmd_vendor_hdr)
181 #define ND_IOCTL_ARS_CAP _IOWR(ND_IOCTL, ND_CMD_ARS_CAP,\
182 struct nd_cmd_ars_cap)
184 #define ND_IOCTL_ARS_START _IOWR(ND_IOCTL, ND_CMD_ARS_START,\
185 struct nd_cmd_ars_start)
187 #define ND_IOCTL_ARS_STATUS _IOWR(ND_IOCTL, ND_CMD_ARS_STATUS,\
188 struct nd_cmd_ars_status)
190 #define ND_DEVICE_DIMM 1 /* nd_dimm: container for "config data" */
191 #define ND_DEVICE_REGION_PMEM 2 /* nd_region: (parent of PMEM namespaces) */
192 #define ND_DEVICE_REGION_BLK 3 /* nd_region: (parent of BLK namespaces) */
193 #define ND_DEVICE_NAMESPACE_IO 4 /* legacy persistent memory */
194 #define ND_DEVICE_NAMESPACE_PMEM 5 /* PMEM namespace (may alias with BLK) */
195 #define ND_DEVICE_NAMESPACE_BLK 6 /* BLK namespace (may alias with PMEM) */
197 enum nd_driver_flags
{
198 ND_DRIVER_DIMM
= 1 << ND_DEVICE_DIMM
,
199 ND_DRIVER_REGION_PMEM
= 1 << ND_DEVICE_REGION_PMEM
,
200 ND_DRIVER_REGION_BLK
= 1 << ND_DEVICE_REGION_BLK
,
201 ND_DRIVER_NAMESPACE_IO
= 1 << ND_DEVICE_NAMESPACE_IO
,
202 ND_DRIVER_NAMESPACE_PMEM
= 1 << ND_DEVICE_NAMESPACE_PMEM
,
203 ND_DRIVER_NAMESPACE_BLK
= 1 << ND_DEVICE_NAMESPACE_BLK
,
207 ND_MIN_NAMESPACE_SIZE
= 0x00400000,
211 ARS_STATUS_MASK
= 0x0000FFFF,
212 ARS_EXT_STATUS_SHIFT
= 16,
214 #endif /* __NDCTL_H__ */