Add struct nd_passthru_pkg which serves as a warapper for the data being passed via a pass thru to a NVDIMM DSM. This wrapper specifies the extra information in a uniform manner allowing the kenrel to call a DSM without knowing specifics of the DSM. Signed-off-by: Jerry Hoemann <jerry.hoemann@xxxxxxx> --- include/uapi/linux/ndctl.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h index 5b4a4be..934a49f 100644 --- a/include/uapi/linux/ndctl.h +++ b/include/uapi/linux/ndctl.h @@ -109,6 +109,7 @@ enum { ND_CMD_VENDOR_EFFECT_LOG_SIZE = 7, ND_CMD_VENDOR_EFFECT_LOG = 8, ND_CMD_VENDOR = 9, + ND_CMD_PASSTHRU = 100, }; enum { @@ -204,4 +205,19 @@ enum ars_masks { ARS_STATUS_MASK = 0x0000FFFF, ARS_EXT_STATUS_SHIFT = 16, }; + + +struct nd_passthru_pkg { + struct { + __u8 dsm_uuid[16]; + __u64 dsm_rev; /* revision of dsm call */ + __u64 dsm_fun_idx; /* DSM function id */ + __u32 dsm_in; /* size of _DSM input */ + __u32 dsm_out; /* size of user buffer */ + __u64 reserved[12]; /* reserved must be zero */ + __u32 dsm_size; /* size _DSM would write */ + } h; + unsigned char buf[]; +}; + #endif /* __NDCTL_H__ */ -- 1.7.11.3 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html