diff options
| author |   Aaron Miller <aaronmiller@fb.com> | 2016-11-03 15:01:53 -0700 |
|---|---|---|
| committer |   Borislav Petkov <bp@suse.de> | 2017-01-19 10:29:40 +0100 |
| commit | 4fb6fde74d6724dc6d64ec729f950fbdeefd7f07 (patch) | |
| tree | d0030c8f6195834f3d410ca70ce5f4561bc34ec9 /drivers/edac | |
| parent | EDAC, amd64: Save and return err code from probe_one_instance() (diff) | |
| download | linux-dev-4fb6fde74d6724dc6d64ec729f950fbdeefd7f07.tar.xz linux-dev-4fb6fde74d6724dc6d64ec729f950fbdeefd7f07.zip | |
EDAC: Expose per-DIMM error counts in sysfs
The old csrowX sysfs directories have per-csrow error counters, but the
new dimmX directories do not currently expose error counts.
EDAC already keeps these counts, add them to sysfs so per-DIMM counts
are still available when CONFIG_EDAC_LEGACY_SYSFS=n.
Signed-off-by: Aaron Miller <aaronmiller@fb.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20161103220153.3997328-1-aaronmiller@fb.com
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/edac_mc_sysfs.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index cc45b1dc3321..445862dac273 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -569,6 +569,40 @@ static ssize_t dimmdev_edac_mode_show(struct device *dev, return sprintf(data, "%s\n", edac_caps[dimm->edac_mode]); } +static ssize_t dimmdev_ce_count_show(struct device *dev, + struct device_attribute *mattr, + char *data) +{ + struct dimm_info *dimm = to_dimm(dev); + u32 count; + int off; + + off = EDAC_DIMM_OFF(dimm->mci->layers, + dimm->mci->n_layers, + dimm->location[0], + dimm->location[1], + dimm->location[2]); + count = dimm->mci->ce_per_layer[dimm->mci->n_layers-1][off]; + return sprintf(data, "%u\n", count); +} + +static ssize_t dimmdev_ue_count_show(struct device *dev, + struct device_attribute *mattr, + char *data) +{ + struct dimm_info *dimm = to_dimm(dev); + u32 count; + int off; + + off = EDAC_DIMM_OFF(dimm->mci->layers, + dimm->mci->n_layers, + dimm->location[0], + dimm->location[1], + dimm->location[2]); + count = dimm->mci->ue_per_layer[dimm->mci->n_layers-1][off]; + return sprintf(data, "%u\n", count); +} + /* dimm/rank attribute files */ static DEVICE_ATTR(dimm_label, S_IRUGO | S_IWUSR, dimmdev_label_show, dimmdev_label_store); @@ -577,6 +611,8 @@ static DEVICE_ATTR(size, S_IRUGO, dimmdev_size_show, NULL); static DEVICE_ATTR(dimm_mem_type, S_IRUGO, dimmdev_mem_type_show, NULL); static DEVICE_ATTR(dimm_dev_type, S_IRUGO, dimmdev_dev_type_show, NULL); static DEVICE_ATTR(dimm_edac_mode, S_IRUGO, dimmdev_edac_mode_show, NULL); +static DEVICE_ATTR(dimm_ce_count, S_IRUGO, dimmdev_ce_count_show, NULL); +static DEVICE_ATTR(dimm_ue_count, S_IRUGO, dimmdev_ue_count_show, NULL); /* attributes of the dimm<id>/rank<id> object */ static struct attribute *dimm_attrs[] = { @@ -586,6 +622,8 @@ static struct attribute *dimm_attrs[] = { &dev_attr_dimm_mem_type.attr, &dev_attr_dimm_dev_type.attr, &dev_attr_dimm_edac_mode.attr, + &dev_attr_dimm_ce_count.attr, + &dev_attr_dimm_ue_count.attr, NULL, }; |