diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/edac/edac_core.h | 2 | ||||
| -rw-r--r-- | drivers/edac/edac_mc_sysfs.c | 85 | ||||
| -rw-r--r-- | drivers/edac/i7core_edac.c | 10 |
3 files changed, 88 insertions, 9 deletions
diff --git a/drivers/edac/edac_core.h b/drivers/edac/edac_core.h index 97071ff1d22..02bbbc9696d 100644 --- a/drivers/edac/edac_core.h +++ b/drivers/edac/edac_core.h @@ -345,6 +345,8 @@ struct mcidev_sysfs_group { const char *name; struct mcidev_sysfs_attribute *mcidev_attr; struct kobject kobj; + + struct mem_ctl_info *mci; /* the parent */ }; diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 655aa1a1f4f..6088ae6e8ea 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -557,6 +557,8 @@ static ssize_t mcidev_show(struct kobject *kobj, struct attribute *attr, struct mem_ctl_info *mem_ctl_info = to_mci(kobj); struct mcidev_sysfs_attribute *mcidev_attr = to_mcidev_attr(attr); + debugf1("%s() mem_ctl_info %p\n", __func__, mem_ctl_info); + if (mcidev_attr->show) return mcidev_attr->show(mem_ctl_info, buffer); @@ -569,6 +571,8 @@ static ssize_t mcidev_store(struct kobject *kobj, struct attribute *attr, struct mem_ctl_info *mem_ctl_info = to_mci(kobj); struct mcidev_sysfs_attribute *mcidev_attr = to_mcidev_attr(attr); + debugf1("%s() mem_ctl_info %p\n", __func__, mem_ctl_info); + if (mcidev_attr->store) return mcidev_attr->store(mem_ctl_info, buffer, count); @@ -726,32 +730,97 @@ void edac_mc_unregister_sysfs_main_kobj(struct mem_ctl_info *mci) #define EDAC_DEVICE_SYMLINK "device" +#define grp_to_mci(k) (container_of(k, struct mcidev_sysfs_group, kobj)->mci) + +/* MCI show/store functions for top most object */ +static ssize_t inst_grp_show(struct kobject *kobj, struct attribute *attr, + char *buffer) +{ + struct mem_ctl_info *mem_ctl_info = grp_to_mci(kobj); + struct mcidev_sysfs_attribute *mcidev_attr = to_mcidev_attr(attr); + + debugf1("%s() mem_ctl_info %p\n", __func__, mem_ctl_info); + + if (mcidev_attr->show) + return mcidev_attr->show(mem_ctl_info, buffer); + + return -EIO; +} + +static ssize_t inst_grp_store(struct kobject *kobj, struct attribute *attr, + const char *buffer, size_t count) +{ + struct mem_ctl_info *mem_ctl_info = grp_to_mci(kobj); + struct mcidev_sysfs_attribute *mcidev_attr = to_mcidev_attr(attr); + + debugf1("%s() mem_ctl_info %p\n", __func__, mem_ctl_info); + + if (mcidev_attr->store) + return mcidev_attr->store(mem_ctl_info, buffer, count); + + return -EIO; +} + +/* No memory to release for this kobj */ +static void edac_inst_grp_release(struct kobject *kobj) +{ + struct mcidev_sysfs_group *grp; + struct mem_ctl_info *mci; + + debugf1("%s()\n", __func__); + + grp = container_of(kobj, struct mcidev_sysfs_group, kobj); + mci = grp->mci; + + kobject_put(&mci->edac_mci_kobj); +} + +/* Intermediate show/store table */ +static struct sysfs_ops inst_grp_ops = { + .show = inst_grp_show, + .store = inst_grp_store +}; + +/* the kobj_type instance for a instance group */ +static struct kobj_type ktype_inst_grp = { + .release = edac_inst_grp_release, + .sysfs_ops = &inst_grp_ops, + .default_attrs = (struct attribute **)default_csrow_attr, +}; + + /* * edac_create_mci_instance_attributes * create MC driver specific attributes bellow an specified kobj * This routine calls itself recursively, in order to create an entire * object tree. */ -static int edac_create_mci_instance_attributes( +static int edac_create_mci_instance_attributes(struct mem_ctl_info *mci, struct mcidev_sysfs_attribute *sysfs_attrib, struct kobject *kobj) { int err; + debugf1("%s()\n", __func__); + while (sysfs_attrib) { if (sysfs_attrib->grp) { struct kobject *newkobj = &sysfs_attrib->grp->kobj; - debugf0("%s() grp %s\n", __func__, - sysfs_attrib->grp->name); + debugf0("%s() grp %s, mci %p\n", __func__, + sysfs_attrib->grp->name, mci); + + sysfs_attrib->grp->mci = mci; - err = kobject_init_and_add(newkobj, NULL, + err = kobject_init_and_add(newkobj, &ktype_inst_grp, kobj, sysfs_attrib->grp->name); if (err) return err; - err = edac_create_mci_instance_attributes( - sysfs_attrib->grp->mcidev_attr, newkobj); + err = edac_create_mci_instance_attributes(mci, + sysfs_attrib->grp->mcidev_attr, + newkobj); + if (err) return err; } else if (sysfs_attrib->attr.name) { @@ -780,6 +849,8 @@ static void edac_remove_mci_instance_attributes( struct mcidev_sysfs_attribute *sysfs_attrib, struct kobject *kobj) { + debugf1("%s()\n", __func__); + /* loop if there are attributes and until we hit a NULL entry */ while (sysfs_attrib) { if (sysfs_attrib->grp) { @@ -832,7 +903,7 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci) * then create them now for the driver. */ if (mci->mc_driver_sysfs_attributes) { - err = edac_create_mci_instance_attributes( + err = edac_create_mci_instance_attributes(mci, mci->mc_driver_sysfs_attributes, &mci->edac_mci_kobj); if (err) { diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index afa5281e8df..e013004745d 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -784,10 +784,13 @@ static ssize_t i7core_inject_store_##param( \ struct mem_ctl_info *mci, \ const char *data, size_t count) \ { \ - struct i7core_pvt *pvt = mci->pvt_info; \ + struct i7core_pvt *pvt; \ long value; \ int rc; \ \ + debugf1("%s()\n", __func__); \ + pvt = mci->pvt_info; \ + \ if (pvt->inject.enable) \ disable_inject(mci); \ \ @@ -808,7 +811,10 @@ static ssize_t i7core_inject_show_##param( \ struct mem_ctl_info *mci, \ char *data) \ { \ - struct i7core_pvt *pvt = mci->pvt_info; \ + struct i7core_pvt *pvt; \ + \ + pvt = mci->pvt_info; \ + debugf1("%s() pvt=%p\n", __func__, pvt); \ if (pvt->inject.param < 0) \ return sprintf(data, "any\n"); \ else \ |