diff options
Diffstat (limited to 'drivers/edac/edac_mc_sysfs.c')
| -rw-r--r-- | drivers/edac/edac_mc_sysfs.c | 60 |
1 files changed, 45 insertions, 15 deletions
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 8eaa1d6a8a9f..029ce8979a71 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -1,15 +1,14 @@ /* * edac_mc kernel module - * (C) 2005, 2006 Linux Networx (http://lnxi.com) + * (C) 2005-2007 Linux Networx (http://lnxi.com) + * * This file may be distributed under the terms of the * GNU General Public License. * - * Written Doug Thompson <norsk5@xmission.com> + * Written Doug Thompson <norsk5@xmission.com> www.softwarebitmaker.com * */ -#include <linux/module.h> -#include <linux/sysdev.h> #include <linux/ctype.h> #include "edac_core.h" @@ -661,21 +660,15 @@ static ssize_t mci_size_mb_show(struct mem_ctl_info *mci, char *data) return sprintf(data, "%u\n", PAGES_TO_MiB(total_pages)); } -struct mcidev_attribute { - struct attribute attr; - ssize_t(*show) (struct mem_ctl_info *, char *); - ssize_t(*store) (struct mem_ctl_info *, const char *, size_t); -}; - #define to_mci(k) container_of(k, struct mem_ctl_info, edac_mci_kobj) -#define to_mcidev_attr(a) container_of(a, struct mcidev_attribute, attr) +#define to_mcidev_attr(a) container_of(a,struct mcidev_sysfs_attribute,attr) /* MCI show/store functions for top most object */ static ssize_t mcidev_show(struct kobject *kobj, struct attribute *attr, char *buffer) { struct mem_ctl_info *mem_ctl_info = to_mci(kobj); - struct mcidev_attribute *mcidev_attr = to_mcidev_attr(attr); + struct mcidev_sysfs_attribute *mcidev_attr = to_mcidev_attr(attr); if (mcidev_attr->show) return mcidev_attr->show(mem_ctl_info, buffer); @@ -687,7 +680,7 @@ static ssize_t mcidev_store(struct kobject *kobj, struct attribute *attr, const char *buffer, size_t count) { struct mem_ctl_info *mem_ctl_info = to_mci(kobj); - struct mcidev_attribute *mcidev_attr = to_mcidev_attr(attr); + struct mcidev_sysfs_attribute *mcidev_attr = to_mcidev_attr(attr); if (mcidev_attr->store) return mcidev_attr->store(mem_ctl_info, buffer, count); @@ -701,7 +694,7 @@ static struct sysfs_ops mci_ops = { }; #define MCIDEV_ATTR(_name,_mode,_show,_store) \ -static struct mcidev_attribute mci_attr_##_name = { \ +static struct mcidev_sysfs_attribute mci_attr_##_name = { \ .attr = {.name = __stringify(_name), .mode = _mode }, \ .show = _show, \ .store = _store, \ @@ -723,7 +716,7 @@ MCIDEV_ATTR(ce_count, S_IRUGO, mci_ce_count_show, NULL); MCIDEV_ATTR(sdram_scrub_rate, S_IRUGO | S_IWUSR, mci_sdram_scrub_rate_show, mci_sdram_scrub_rate_store); -static struct mcidev_attribute *mci_attr[] = { +static struct mcidev_sysfs_attribute *mci_attr[] = { &mci_attr_reset_counters, &mci_attr_mc_name, &mci_attr_size_mb, @@ -757,6 +750,34 @@ static struct kobj_type ktype_mci = { #define EDAC_DEVICE_SYMLINK "device" /* + * edac_create_driver_attributes + * create MC driver specific attributes at the topmost level + * directory of this mci instance. + */ +static int edac_create_driver_attributes(struct mem_ctl_info *mci) +{ + int err; + struct mcidev_sysfs_attribute *sysfs_attrib; + + /* point to the start of the array and iterate over it + * adding each attribute listed to this mci instance's kobject + */ + sysfs_attrib = mci->mc_driver_sysfs_attributes; + + while (sysfs_attrib->attr.name != NULL) { + err = sysfs_create_file(&mci->edac_mci_kobj, + (struct attribute*) sysfs_attrib); + if (err) { + return err; + } + + sysfs_attrib++; + } + + return 0; +} + +/* * Create a new Memory Controller kobject instance, * mc<id> under the 'mc' directory * @@ -794,6 +815,15 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci) if (err) goto fail0; + /* If the low level driver desires some attributes, + * then create them now for the driver. + */ + if (mci->mc_driver_sysfs_attributes) { + err = edac_create_driver_attributes(mci); + if (err) + goto fail0; + } + /* Make directories for each CSROW object * under the mc<id> kobject */ |