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| author | Dan Williams <dan.j.williams@intel.com> | 2016-05-18 10:06:59 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2016-05-18 10:06:59 -0700 |
| commit | 1f716d05f8daee4f393dc568ea7a53c7ecfd0bfc (patch) | |
| tree | 3ba46ef65cd2fb1766934769c1d4a7fc16c3fe61 /include/uapi | |
| parent | 2159669f581917c4d197d3ea183d3d85b47faf66 (diff) | |
| parent | a94e3fbe4d53d4e512c4ea88a475e605b8d8dccb (diff) | |
| download | linux-1f716d05f8daee4f393dc568ea7a53c7ecfd0bfc.tar.bz2 | |
Merge branch 'for-4.7/dsm' into libnvdimm-for-next
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/ndctl.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h index 1eac426aead5..309915f74492 100644 --- a/include/uapi/linux/ndctl.h +++ b/include/uapi/linux/ndctl.h @@ -159,6 +159,7 @@ enum { ND_CMD_VENDOR_EFFECT_LOG_SIZE = 7, ND_CMD_VENDOR_EFFECT_LOG = 8, ND_CMD_VENDOR = 9, + ND_CMD_CALL = 10, }; enum { @@ -192,6 +193,7 @@ static inline const char *nvdimm_cmd_name(unsigned cmd) [ND_CMD_VENDOR_EFFECT_LOG_SIZE] = "effect_size", [ND_CMD_VENDOR_EFFECT_LOG] = "effect_log", [ND_CMD_VENDOR] = "vendor", + [ND_CMD_CALL] = "cmd_call", }; if (cmd < ARRAY_SIZE(names) && names[cmd]) @@ -260,4 +262,44 @@ enum ars_masks { ARS_STATUS_MASK = 0x0000FFFF, ARS_EXT_STATUS_SHIFT = 16, }; + +/* + * struct nd_cmd_pkg + * + * is a wrapper to a quasi pass thru interface for invoking firmware + * associated with nvdimms. + * + * INPUT PARAMETERS + * + * nd_family corresponds to the firmware (e.g. DSM) interface. + * + * nd_command are the function index advertised by the firmware. + * + * nd_size_in is the size of the input parameters being passed to firmware + * + * OUTPUT PARAMETERS + * + * nd_fw_size is the size of the data firmware wants to return for + * the call. If nd_fw_size is greater than size of nd_size_out, only + * the first nd_size_out bytes are returned. + */ + +struct nd_cmd_pkg { + __u64 nd_family; /* family of commands */ + __u64 nd_command; + __u32 nd_size_in; /* INPUT: size of input args */ + __u32 nd_size_out; /* INPUT: size of payload */ + __u32 nd_reserved2[9]; /* reserved must be zero */ + __u32 nd_fw_size; /* OUTPUT: size fw wants to return */ + unsigned char nd_payload[]; /* Contents of call */ +}; + +/* These NVDIMM families represent pre-standardization command sets */ +#define NVDIMM_FAMILY_INTEL 0 +#define NVDIMM_FAMILY_HPE1 1 +#define NVDIMM_FAMILY_HPE2 2 + +#define ND_IOCTL_CALL _IOWR(ND_IOCTL, ND_CMD_CALL,\ + struct nd_cmd_pkg) + #endif /* __NDCTL_H__ */ |