| /* |
| * Copyright (c) 2014-2015, Intel Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU Lesser General Public License, |
| * version 2.1, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT ANY |
| * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
| * more details. |
| */ |
| #ifndef __NDCTL_H__ |
| #define __NDCTL_H__ |
| |
| #include <linux/types.h> |
| |
| struct nd_cmd_smart { |
| __u32 status; |
| __u8 data[128]; |
| } __packed; |
| |
| struct nd_cmd_smart_threshold { |
| __u32 status; |
| __u8 data[8]; |
| } __packed; |
| |
| struct nd_cmd_dimm_flags { |
| __u32 status; |
| __u32 flags; |
| } __packed; |
| |
| struct nd_cmd_get_config_size { |
| __u32 status; |
| __u32 config_size; |
| __u32 max_xfer; |
| } __packed; |
| |
| struct nd_cmd_get_config_data_hdr { |
| __u32 in_offset; |
| __u32 in_length; |
| __u32 status; |
| __u8 out_buf[0]; |
| } __packed; |
| |
| struct nd_cmd_set_config_hdr { |
| __u32 in_offset; |
| __u32 in_length; |
| __u8 in_buf[0]; |
| } __packed; |
| |
| struct nd_cmd_vendor_hdr { |
| __u32 opcode; |
| __u32 in_length; |
| __u8 in_buf[0]; |
| } __packed; |
| |
| struct nd_cmd_vendor_tail { |
| __u32 status; |
| __u32 out_length; |
| __u8 out_buf[0]; |
| } __packed; |
| |
| struct nd_cmd_ars_cap { |
| __u64 address; |
| __u64 length; |
| __u32 status; |
| __u32 max_ars_out; |
| } __packed; |
| |
| struct nd_cmd_ars_start { |
| __u64 address; |
| __u64 length; |
| __u16 type; |
| __u8 reserved[6]; |
| __u32 status; |
| } __packed; |
| |
| struct nd_cmd_ars_status { |
| __u32 status; |
| __u32 out_length; |
| __u64 address; |
| __u64 length; |
| __u16 type; |
| __u32 num_records; |
| struct nd_ars_record { |
| __u32 handle; |
| __u32 flags; |
| __u64 err_address; |
| __u64 mask; |
| } __packed records[0]; |
| } __packed; |
| |
| enum { |
| ND_CMD_IMPLEMENTED = 0, |
| |
| /* bus commands */ |
| ND_CMD_ARS_CAP = 1, |
| ND_CMD_ARS_START = 2, |
| ND_CMD_ARS_STATUS = 3, |
| |
| /* per-dimm commands */ |
| ND_CMD_SMART = 1, |
| ND_CMD_SMART_THRESHOLD = 2, |
| ND_CMD_DIMM_FLAGS = 3, |
| ND_CMD_GET_CONFIG_SIZE = 4, |
| ND_CMD_GET_CONFIG_DATA = 5, |
| ND_CMD_SET_CONFIG_DATA = 6, |
| ND_CMD_VENDOR_EFFECT_LOG_SIZE = 7, |
| ND_CMD_VENDOR_EFFECT_LOG = 8, |
| ND_CMD_VENDOR = 9, |
| }; |
| |
| static inline const char *nvdimm_bus_cmd_name(unsigned cmd) |
| { |
| static const char * const names[] = { |
| [ND_CMD_ARS_CAP] = "ars_cap", |
| [ND_CMD_ARS_START] = "ars_start", |
| [ND_CMD_ARS_STATUS] = "ars_status", |
| }; |
| |
| if (cmd < ARRAY_SIZE(names) && names[cmd]) |
| return names[cmd]; |
| return "unknown"; |
| } |
| |
| static inline const char *nvdimm_cmd_name(unsigned cmd) |
| { |
| static const char * const names[] = { |
| [ND_CMD_SMART] = "smart", |
| [ND_CMD_SMART_THRESHOLD] = "smart_thresh", |
| [ND_CMD_DIMM_FLAGS] = "flags", |
| [ND_CMD_GET_CONFIG_SIZE] = "get_size", |
| [ND_CMD_GET_CONFIG_DATA] = "get_data", |
| [ND_CMD_SET_CONFIG_DATA] = "set_data", |
| [ND_CMD_VENDOR_EFFECT_LOG_SIZE] = "effect_size", |
| [ND_CMD_VENDOR_EFFECT_LOG] = "effect_log", |
| [ND_CMD_VENDOR] = "vendor", |
| }; |
| |
| if (cmd < ARRAY_SIZE(names) && names[cmd]) |
| return names[cmd]; |
| return "unknown"; |
| } |
| |
| #define ND_IOCTL 'N' |
| |
| #define ND_IOCTL_SMART _IOWR(ND_IOCTL, ND_CMD_SMART,\ |
| struct nd_cmd_smart) |
| |
| #define ND_IOCTL_SMART_THRESHOLD _IOWR(ND_IOCTL, ND_CMD_SMART_THRESHOLD,\ |
| struct nd_cmd_smart_threshold) |
| |
| #define ND_IOCTL_DIMM_FLAGS _IOWR(ND_IOCTL, ND_CMD_DIMM_FLAGS,\ |
| struct nd_cmd_dimm_flags) |
| |
| #define ND_IOCTL_GET_CONFIG_SIZE _IOWR(ND_IOCTL, ND_CMD_GET_CONFIG_SIZE,\ |
| struct nd_cmd_get_config_size) |
| |
| #define ND_IOCTL_GET_CONFIG_DATA _IOWR(ND_IOCTL, ND_CMD_GET_CONFIG_DATA,\ |
| struct nd_cmd_get_config_data_hdr) |
| |
| #define ND_IOCTL_SET_CONFIG_DATA _IOWR(ND_IOCTL, ND_CMD_SET_CONFIG_DATA,\ |
| struct nd_cmd_set_config_hdr) |
| |
| #define ND_IOCTL_VENDOR _IOWR(ND_IOCTL, ND_CMD_VENDOR,\ |
| struct nd_cmd_vendor_hdr) |
| |
| #define ND_IOCTL_ARS_CAP _IOWR(ND_IOCTL, ND_CMD_ARS_CAP,\ |
| struct nd_cmd_ars_cap) |
| |
| #define ND_IOCTL_ARS_START _IOWR(ND_IOCTL, ND_CMD_ARS_START,\ |
| struct nd_cmd_ars_start) |
| |
| #define ND_IOCTL_ARS_STATUS _IOWR(ND_IOCTL, ND_CMD_ARS_STATUS,\ |
| struct nd_cmd_ars_status) |
| |
| |
| #define ND_DEVICE_DIMM 1 /* nd_dimm: container for "config data" */ |
| |
| enum nd_driver_flags { |
| ND_DRIVER_DIMM = 1 << ND_DEVICE_DIMM, |
| }; |
| #endif /* __NDCTL_H__ */ |