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authorDan Williams <dan.j.williams@intel.com>2016-03-04 03:08:54 +0300
committerDan Williams <dan.j.williams@intel.com>2016-03-06 05:06:14 +0300
commitd4f323672aa63713b7ca26da418f66cc30d3a41a (patch)
treec073dd799eab97ed7b6e7e04a94c16e793361285 /include/uapi/linux/ndctl.h
parent07accfa9d1a8bac8262f6d24a94a54d2d1f35149 (diff)
downloadlinux-d4f323672aa63713b7ca26da418f66cc30d3a41a.tar.xz
nfit, libnvdimm: clear poison command support
Add the boiler-plate for a 'clear error' command based on section 9.20.7.6 "Function Index 4 - Clear Uncorrectable Error" from the ACPI 6.1 specification, and add a reference implementation in nfit_test. Reviewed-by: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'include/uapi/linux/ndctl.h')
-rw-r--r--include/uapi/linux/ndctl.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h
index cc68b92124d4..7cc28ab05b87 100644
--- a/include/uapi/linux/ndctl.h
+++ b/include/uapi/linux/ndctl.h
@@ -98,6 +98,14 @@ struct nd_cmd_ars_status {
} __packed records[0];
} __packed;
+struct nd_cmd_clear_error {
+ __u64 address;
+ __u64 length;
+ __u32 status;
+ __u8 reserved[4];
+ __u64 cleared;
+} __packed;
+
enum {
ND_CMD_IMPLEMENTED = 0,
@@ -105,6 +113,7 @@ enum {
ND_CMD_ARS_CAP = 1,
ND_CMD_ARS_START = 2,
ND_CMD_ARS_STATUS = 3,
+ ND_CMD_CLEAR_ERROR = 4,
/* per-dimm commands */
ND_CMD_SMART = 1,
@@ -129,6 +138,7 @@ static inline const char *nvdimm_bus_cmd_name(unsigned cmd)
[ND_CMD_ARS_CAP] = "ars_cap",
[ND_CMD_ARS_START] = "ars_start",
[ND_CMD_ARS_STATUS] = "ars_status",
+ [ND_CMD_CLEAR_ERROR] = "clear_error",
};
if (cmd < ARRAY_SIZE(names) && names[cmd])
@@ -187,6 +197,9 @@ static inline const char *nvdimm_cmd_name(unsigned cmd)
#define ND_IOCTL_ARS_STATUS _IOWR(ND_IOCTL, ND_CMD_ARS_STATUS,\
struct nd_cmd_ars_status)
+#define ND_IOCTL_CLEAR_ERROR _IOWR(ND_IOCTL, ND_CMD_CLEAR_ERROR,\
+ struct nd_cmd_clear_error)
+
#define ND_DEVICE_DIMM 1 /* nd_dimm: container for "config data" */
#define ND_DEVICE_REGION_PMEM 2 /* nd_region: (parent of PMEM namespaces) */
#define ND_DEVICE_REGION_BLK 3 /* nd_region: (parent of BLK namespaces) */