[PATCH 3/3] libnvdimm: New ACPI 6.2 DSM functions

From: Jerry Hoemann
Date: Wed Jun 07 2017 - 13:05:21 EST


ACPI 6.2 added new NVDIMM root DSM functions. Define their
data structures.

Update the definition of nd_cmd_ars_cap to match the 6.2 spec.

Add the new 6.2 functions names to nvdimm_bus_cmd_name.

Signed-off-by: Jerry Hoemann <jerry.hoemann@xxxxxxx>
---
include/uapi/linux/ndctl.h | 44 +++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h
index e23c37f..bcaf79e 100644
--- a/include/uapi/linux/ndctl.h
+++ b/include/uapi/linux/ndctl.h
@@ -105,7 +105,8 @@ struct nd_cmd_ars_cap {
__u32 status;
__u32 max_ars_out;
__u32 clear_err_unit;
- __u32 reserved;
+ __u16 flags;
+ __u16 reserved;
} __packed;

struct nd_cmd_ars_start {
@@ -144,6 +145,43 @@ struct nd_cmd_clear_error {
__u64 cleared;
} __packed;

+struct nd_cmd_trans_spa {
+ __u64 spa;
+ __u32 status;
+ __u8 flags;
+ __u8 _reserved[3];
+ __u64 trans_length;
+ __u32 num_nvdimms;
+ struct nd_nvdimm_device {
+ __u32 nfit_device_handle;
+ __u32 _reserved;
+ __u64 dpa;
+ } __packed devices[0];
+
+} __packed;
+
+struct nd_cmd_ars_err_inj {
+ __u64 err_inj_spa_range_base;
+ __u64 err_inj_spa_range_length;
+ __u8 err_inj_options;
+ __u32 status;
+} __packed;
+
+struct nd_cmd_ars_err_inj_clr {
+ __u64 err_inj_clr_spa_range_base;
+ __u64 err_inj_clr_spa_range_length;
+ __u32 status;
+} __packed;
+
+struct nd_cmd_ars_err_inj_stat {
+ __u32 status;
+ __u32 inj_err_rec_count;
+ struct nd_error_stat_query_record {
+ __u64 err_inj_stat_spa_range_base;
+ __u64 err_inj_stat_spa_range_length;
+ } __packed record[0];
+} __packed;
+
enum {
ND_CMD_IMPLEMENTED = 0,

@@ -179,6 +217,10 @@ static inline const char *nvdimm_bus_cmd_name(unsigned cmd)
[ND_CMD_ARS_START] = "ars_start",
[ND_CMD_ARS_STATUS] = "ars_status",
[ND_CMD_CLEAR_ERROR] = "clear_error",
+ [5] = "trans_spa",
+ [7] = "ars_err_inj",
+ [8] = "ars_err_inj_clr",
+ [9] = "ars_err_inj_stat",
[ND_CMD_CALL] = "cmd_call",
};

--
1.8.5.6