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Diffstat (limited to 'ANDROID_3.4.5/drivers/edac/edac_device_sysfs.c')
-rw-r--r--ANDROID_3.4.5/drivers/edac/edac_device_sysfs.c886
1 files changed, 0 insertions, 886 deletions
diff --git a/ANDROID_3.4.5/drivers/edac/edac_device_sysfs.c b/ANDROID_3.4.5/drivers/edac/edac_device_sysfs.c
deleted file mode 100644
index b4ea185c..00000000
--- a/ANDROID_3.4.5/drivers/edac/edac_device_sysfs.c
+++ /dev/null
@@ -1,886 +0,0 @@
-/*
- * file for managing the edac_device subsystem of devices for EDAC
- *
- * (C) 2007 SoftwareBitMaker
- *
- * This file may be distributed under the terms of the
- * GNU General Public License.
- *
- * Written Doug Thompson <norsk5@xmission.com>
- *
- */
-
-#include <linux/ctype.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/edac.h>
-
-#include "edac_core.h"
-#include "edac_module.h"
-
-#define EDAC_DEVICE_SYMLINK "device"
-
-#define to_edacdev(k) container_of(k, struct edac_device_ctl_info, kobj)
-#define to_edacdev_attr(a) container_of(a, struct edacdev_attribute, attr)
-
-
-/*
- * Set of edac_device_ctl_info attribute store/show functions
- */
-
-/* 'log_ue' */
-static ssize_t edac_device_ctl_log_ue_show(struct edac_device_ctl_info
- *ctl_info, char *data)
-{
- return sprintf(data, "%u\n", ctl_info->log_ue);
-}
-
-static ssize_t edac_device_ctl_log_ue_store(struct edac_device_ctl_info
- *ctl_info, const char *data,
- size_t count)
-{
- /* if parameter is zero, turn off flag, if non-zero turn on flag */
- ctl_info->log_ue = (simple_strtoul(data, NULL, 0) != 0);
-
- return count;
-}
-
-/* 'log_ce' */
-static ssize_t edac_device_ctl_log_ce_show(struct edac_device_ctl_info
- *ctl_info, char *data)
-{
- return sprintf(data, "%u\n", ctl_info->log_ce);
-}
-
-static ssize_t edac_device_ctl_log_ce_store(struct edac_device_ctl_info
- *ctl_info, const char *data,
- size_t count)
-{
- /* if parameter is zero, turn off flag, if non-zero turn on flag */
- ctl_info->log_ce = (simple_strtoul(data, NULL, 0) != 0);
-
- return count;
-}
-
-/* 'panic_on_ue' */
-static ssize_t edac_device_ctl_panic_on_ue_show(struct edac_device_ctl_info
- *ctl_info, char *data)
-{
- return sprintf(data, "%u\n", ctl_info->panic_on_ue);
-}
-
-static ssize_t edac_device_ctl_panic_on_ue_store(struct edac_device_ctl_info
- *ctl_info, const char *data,
- size_t count)
-{
- /* if parameter is zero, turn off flag, if non-zero turn on flag */
- ctl_info->panic_on_ue = (simple_strtoul(data, NULL, 0) != 0);
-
- return count;
-}
-
-/* 'poll_msec' show and store functions*/
-static ssize_t edac_device_ctl_poll_msec_show(struct edac_device_ctl_info
- *ctl_info, char *data)
-{
- return sprintf(data, "%u\n", ctl_info->poll_msec);
-}
-
-static ssize_t edac_device_ctl_poll_msec_store(struct edac_device_ctl_info
- *ctl_info, const char *data,
- size_t count)
-{
- unsigned long value;
-
- /* get the value and enforce that it is non-zero, must be at least
- * one millisecond for the delay period, between scans
- * Then cancel last outstanding delay for the work request
- * and set a new one.
- */
- value = simple_strtoul(data, NULL, 0);
- edac_device_reset_delay_period(ctl_info, value);
-
- return count;
-}
-
-/* edac_device_ctl_info specific attribute structure */
-struct ctl_info_attribute {
- struct attribute attr;
- ssize_t(*show) (struct edac_device_ctl_info *, char *);
- ssize_t(*store) (struct edac_device_ctl_info *, const char *, size_t);
-};
-
-#define to_ctl_info(k) container_of(k, struct edac_device_ctl_info, kobj)
-#define to_ctl_info_attr(a) container_of(a,struct ctl_info_attribute,attr)
-
-/* Function to 'show' fields from the edac_dev 'ctl_info' structure */
-static ssize_t edac_dev_ctl_info_show(struct kobject *kobj,
- struct attribute *attr, char *buffer)
-{
- struct edac_device_ctl_info *edac_dev = to_ctl_info(kobj);
- struct ctl_info_attribute *ctl_info_attr = to_ctl_info_attr(attr);
-
- if (ctl_info_attr->show)
- return ctl_info_attr->show(edac_dev, buffer);
- return -EIO;
-}
-
-/* Function to 'store' fields into the edac_dev 'ctl_info' structure */
-static ssize_t edac_dev_ctl_info_store(struct kobject *kobj,
- struct attribute *attr,
- const char *buffer, size_t count)
-{
- struct edac_device_ctl_info *edac_dev = to_ctl_info(kobj);
- struct ctl_info_attribute *ctl_info_attr = to_ctl_info_attr(attr);
-
- if (ctl_info_attr->store)
- return ctl_info_attr->store(edac_dev, buffer, count);
- return -EIO;
-}
-
-/* edac_dev file operations for an 'ctl_info' */
-static const struct sysfs_ops device_ctl_info_ops = {
- .show = edac_dev_ctl_info_show,
- .store = edac_dev_ctl_info_store
-};
-
-#define CTL_INFO_ATTR(_name,_mode,_show,_store) \
-static struct ctl_info_attribute attr_ctl_info_##_name = { \
- .attr = {.name = __stringify(_name), .mode = _mode }, \
- .show = _show, \
- .store = _store, \
-};
-
-/* Declare the various ctl_info attributes here and their respective ops */
-CTL_INFO_ATTR(log_ue, S_IRUGO | S_IWUSR,
- edac_device_ctl_log_ue_show, edac_device_ctl_log_ue_store);
-CTL_INFO_ATTR(log_ce, S_IRUGO | S_IWUSR,
- edac_device_ctl_log_ce_show, edac_device_ctl_log_ce_store);
-CTL_INFO_ATTR(panic_on_ue, S_IRUGO | S_IWUSR,
- edac_device_ctl_panic_on_ue_show,
- edac_device_ctl_panic_on_ue_store);
-CTL_INFO_ATTR(poll_msec, S_IRUGO | S_IWUSR,
- edac_device_ctl_poll_msec_show, edac_device_ctl_poll_msec_store);
-
-/* Base Attributes of the EDAC_DEVICE ECC object */
-static struct ctl_info_attribute *device_ctrl_attr[] = {
- &attr_ctl_info_panic_on_ue,
- &attr_ctl_info_log_ue,
- &attr_ctl_info_log_ce,
- &attr_ctl_info_poll_msec,
- NULL,
-};
-
-/*
- * edac_device_ctrl_master_release
- *
- * called when the reference count for the 'main' kobj
- * for a edac_device control struct reaches zero
- *
- * Reference count model:
- * One 'main' kobject for each control structure allocated.
- * That main kobj is initially set to one AND
- * the reference count for the EDAC 'core' module is
- * bumped by one, thus added 'keep in memory' dependency.
- *
- * Each new internal kobj (in instances and blocks) then
- * bumps the 'main' kobject.
- *
- * When they are released their release functions decrement
- * the 'main' kobj.
- *
- * When the main kobj reaches zero (0) then THIS function
- * is called which then decrements the EDAC 'core' module.
- * When the module reference count reaches zero then the
- * module no longer has dependency on keeping the release
- * function code in memory and module can be unloaded.
- *
- * This will support several control objects as well, each
- * with its own 'main' kobj.
- */
-static void edac_device_ctrl_master_release(struct kobject *kobj)
-{
- struct edac_device_ctl_info *edac_dev = to_edacdev(kobj);
-
- debugf4("%s() control index=%d\n", __func__, edac_dev->dev_idx);
-
- /* decrement the EDAC CORE module ref count */
- module_put(edac_dev->owner);
-
- /* free the control struct containing the 'main' kobj
- * passed in to this routine
- */
- kfree(edac_dev);
-}
-
-/* ktype for the main (master) kobject */
-static struct kobj_type ktype_device_ctrl = {
- .release = edac_device_ctrl_master_release,
- .sysfs_ops = &device_ctl_info_ops,
- .default_attrs = (struct attribute **)device_ctrl_attr,
-};
-
-/*
- * edac_device_register_sysfs_main_kobj
- *
- * perform the high level setup for the new edac_device instance
- *
- * Return: 0 SUCCESS
- * !0 FAILURE
- */
-int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev)
-{
- struct bus_type *edac_subsys;
- int err;
-
- debugf1("%s()\n", __func__);
-
- /* get the /sys/devices/system/edac reference */
- edac_subsys = edac_get_sysfs_subsys();
- if (edac_subsys == NULL) {
- debugf1("%s() no edac_subsys error\n", __func__);
- err = -ENODEV;
- goto err_out;
- }
-
- /* Point to the 'edac_subsys' this instance 'reports' to */
- edac_dev->edac_subsys = edac_subsys;
-
- /* Init the devices's kobject */
- memset(&edac_dev->kobj, 0, sizeof(struct kobject));
-
- /* Record which module 'owns' this control structure
- * and bump the ref count of the module
- */
- edac_dev->owner = THIS_MODULE;
-
- if (!try_module_get(edac_dev->owner)) {
- err = -ENODEV;
- goto err_mod_get;
- }
-
- /* register */
- err = kobject_init_and_add(&edac_dev->kobj, &ktype_device_ctrl,
- &edac_subsys->dev_root->kobj,
- "%s", edac_dev->name);
- if (err) {
- debugf1("%s()Failed to register '.../edac/%s'\n",
- __func__, edac_dev->name);
- goto err_kobj_reg;
- }
- kobject_uevent(&edac_dev->kobj, KOBJ_ADD);
-
- /* At this point, to 'free' the control struct,
- * edac_device_unregister_sysfs_main_kobj() must be used
- */
-
- debugf4("%s() Registered '.../edac/%s' kobject\n",
- __func__, edac_dev->name);
-
- return 0;
-
- /* Error exit stack */
-err_kobj_reg:
- module_put(edac_dev->owner);
-
-err_mod_get:
- edac_put_sysfs_subsys();
-
-err_out:
- return err;
-}
-
-/*
- * edac_device_unregister_sysfs_main_kobj:
- * the '..../edac/<name>' kobject
- */
-void edac_device_unregister_sysfs_main_kobj(struct edac_device_ctl_info *dev)
-{
- debugf0("%s()\n", __func__);
- debugf4("%s() name of kobject is: %s\n",
- __func__, kobject_name(&dev->kobj));
-
- /*
- * Unregister the edac device's kobject and
- * allow for reference count to reach 0 at which point
- * the callback will be called to:
- * a) module_put() this module
- * b) 'kfree' the memory
- */
- kobject_put(&dev->kobj);
- edac_put_sysfs_subsys();
-}
-
-/* edac_dev -> instance information */
-
-/*
- * Set of low-level instance attribute show functions
- */
-static ssize_t instance_ue_count_show(struct edac_device_instance *instance,
- char *data)
-{
- return sprintf(data, "%u\n", instance->counters.ue_count);
-}
-
-static ssize_t instance_ce_count_show(struct edac_device_instance *instance,
- char *data)
-{
- return sprintf(data, "%u\n", instance->counters.ce_count);
-}
-
-#define to_instance(k) container_of(k, struct edac_device_instance, kobj)
-#define to_instance_attr(a) container_of(a,struct instance_attribute,attr)
-
-/* DEVICE instance kobject release() function */
-static void edac_device_ctrl_instance_release(struct kobject *kobj)
-{
- struct edac_device_instance *instance;
-
- debugf1("%s()\n", __func__);
-
- /* map from this kobj to the main control struct
- * and then dec the main kobj count
- */
- instance = to_instance(kobj);
- kobject_put(&instance->ctl->kobj);
-}
-
-/* instance specific attribute structure */
-struct instance_attribute {
- struct attribute attr;
- ssize_t(*show) (struct edac_device_instance *, char *);
- ssize_t(*store) (struct edac_device_instance *, const char *, size_t);
-};
-
-/* Function to 'show' fields from the edac_dev 'instance' structure */
-static ssize_t edac_dev_instance_show(struct kobject *kobj,
- struct attribute *attr, char *buffer)
-{
- struct edac_device_instance *instance = to_instance(kobj);
- struct instance_attribute *instance_attr = to_instance_attr(attr);
-
- if (instance_attr->show)
- return instance_attr->show(instance, buffer);
- return -EIO;
-}
-
-/* Function to 'store' fields into the edac_dev 'instance' structure */
-static ssize_t edac_dev_instance_store(struct kobject *kobj,
- struct attribute *attr,
- const char *buffer, size_t count)
-{
- struct edac_device_instance *instance = to_instance(kobj);
- struct instance_attribute *instance_attr = to_instance_attr(attr);
-
- if (instance_attr->store)
- return instance_attr->store(instance, buffer, count);
- return -EIO;
-}
-
-/* edac_dev file operations for an 'instance' */
-static const struct sysfs_ops device_instance_ops = {
- .show = edac_dev_instance_show,
- .store = edac_dev_instance_store
-};
-
-#define INSTANCE_ATTR(_name,_mode,_show,_store) \
-static struct instance_attribute attr_instance_##_name = { \
- .attr = {.name = __stringify(_name), .mode = _mode }, \
- .show = _show, \
- .store = _store, \
-};
-
-/*
- * Define attributes visible for the edac_device instance object
- * Each contains a pointer to a show and an optional set
- * function pointer that does the low level output/input
- */
-INSTANCE_ATTR(ce_count, S_IRUGO, instance_ce_count_show, NULL);
-INSTANCE_ATTR(ue_count, S_IRUGO, instance_ue_count_show, NULL);
-
-/* list of edac_dev 'instance' attributes */
-static struct instance_attribute *device_instance_attr[] = {
- &attr_instance_ce_count,
- &attr_instance_ue_count,
- NULL,
-};
-
-/* The 'ktype' for each edac_dev 'instance' */
-static struct kobj_type ktype_instance_ctrl = {
- .release = edac_device_ctrl_instance_release,
- .sysfs_ops = &device_instance_ops,
- .default_attrs = (struct attribute **)device_instance_attr,
-};
-
-/* edac_dev -> instance -> block information */
-
-#define to_block(k) container_of(k, struct edac_device_block, kobj)
-#define to_block_attr(a) \
- container_of(a, struct edac_dev_sysfs_block_attribute, attr)
-
-/*
- * Set of low-level block attribute show functions
- */
-static ssize_t block_ue_count_show(struct kobject *kobj,
- struct attribute *attr, char *data)
-{
- struct edac_device_block *block = to_block(kobj);
-
- return sprintf(data, "%u\n", block->counters.ue_count);
-}
-
-static ssize_t block_ce_count_show(struct kobject *kobj,
- struct attribute *attr, char *data)
-{
- struct edac_device_block *block = to_block(kobj);
-
- return sprintf(data, "%u\n", block->counters.ce_count);
-}
-
-/* DEVICE block kobject release() function */
-static void edac_device_ctrl_block_release(struct kobject *kobj)
-{
- struct edac_device_block *block;
-
- debugf1("%s()\n", __func__);
-
- /* get the container of the kobj */
- block = to_block(kobj);
-
- /* map from 'block kobj' to 'block->instance->controller->main_kobj'
- * now 'release' the block kobject
- */
- kobject_put(&block->instance->ctl->kobj);
-}
-
-
-/* Function to 'show' fields from the edac_dev 'block' structure */
-static ssize_t edac_dev_block_show(struct kobject *kobj,
- struct attribute *attr, char *buffer)
-{
- struct edac_dev_sysfs_block_attribute *block_attr =
- to_block_attr(attr);
-
- if (block_attr->show)
- return block_attr->show(kobj, attr, buffer);
- return -EIO;
-}
-
-/* Function to 'store' fields into the edac_dev 'block' structure */
-static ssize_t edac_dev_block_store(struct kobject *kobj,
- struct attribute *attr,
- const char *buffer, size_t count)
-{
- struct edac_dev_sysfs_block_attribute *block_attr;
-
- block_attr = to_block_attr(attr);
-
- if (block_attr->store)
- return block_attr->store(kobj, attr, buffer, count);
- return -EIO;
-}
-
-/* edac_dev file operations for a 'block' */
-static const struct sysfs_ops device_block_ops = {
- .show = edac_dev_block_show,
- .store = edac_dev_block_store
-};
-
-#define BLOCK_ATTR(_name,_mode,_show,_store) \
-static struct edac_dev_sysfs_block_attribute attr_block_##_name = { \
- .attr = {.name = __stringify(_name), .mode = _mode }, \
- .show = _show, \
- .store = _store, \
-};
-
-BLOCK_ATTR(ce_count, S_IRUGO, block_ce_count_show, NULL);
-BLOCK_ATTR(ue_count, S_IRUGO, block_ue_count_show, NULL);
-
-/* list of edac_dev 'block' attributes */
-static struct edac_dev_sysfs_block_attribute *device_block_attr[] = {
- &attr_block_ce_count,
- &attr_block_ue_count,
- NULL,
-};
-
-/* The 'ktype' for each edac_dev 'block' */
-static struct kobj_type ktype_block_ctrl = {
- .release = edac_device_ctrl_block_release,
- .sysfs_ops = &device_block_ops,
- .default_attrs = (struct attribute **)device_block_attr,
-};
-
-/* block ctor/dtor code */
-
-/*
- * edac_device_create_block
- */
-static int edac_device_create_block(struct edac_device_ctl_info *edac_dev,
- struct edac_device_instance *instance,
- struct edac_device_block *block)
-{
- int i;
- int err;
- struct edac_dev_sysfs_block_attribute *sysfs_attrib;
- struct kobject *main_kobj;
-
- debugf4("%s() Instance '%s' inst_p=%p block '%s' block_p=%p\n",
- __func__, instance->name, instance, block->name, block);
- debugf4("%s() block kobj=%p block kobj->parent=%p\n",
- __func__, &block->kobj, &block->kobj.parent);
-
- /* init this block's kobject */
- memset(&block->kobj, 0, sizeof(struct kobject));
-
- /* bump the main kobject's reference count for this controller
- * and this instance is dependent on the main
- */
- main_kobj = kobject_get(&edac_dev->kobj);
- if (!main_kobj) {
- err = -ENODEV;
- goto err_out;
- }
-
- /* Add this block's kobject */
- err = kobject_init_and_add(&block->kobj, &ktype_block_ctrl,
- &instance->kobj,
- "%s", block->name);
- if (err) {
- debugf1("%s() Failed to register instance '%s'\n",
- __func__, block->name);
- kobject_put(main_kobj);
- err = -ENODEV;
- goto err_out;
- }
-
- /* If there are driver level block attributes, then added them
- * to the block kobject
- */
- sysfs_attrib = block->block_attributes;
- if (sysfs_attrib && block->nr_attribs) {
- for (i = 0; i < block->nr_attribs; i++, sysfs_attrib++) {
-
- debugf4("%s() creating block attrib='%s' "
- "attrib->%p to kobj=%p\n",
- __func__,
- sysfs_attrib->attr.name,
- sysfs_attrib, &block->kobj);
-
- /* Create each block_attribute file */
- err = sysfs_create_file(&block->kobj,
- &sysfs_attrib->attr);
- if (err)
- goto err_on_attrib;
- }
- }
- kobject_uevent(&block->kobj, KOBJ_ADD);
-
- return 0;
-
- /* Error unwind stack */
-err_on_attrib:
- kobject_put(&block->kobj);
-
-err_out:
- return err;
-}
-
-/*
- * edac_device_delete_block(edac_dev,block);
- */
-static void edac_device_delete_block(struct edac_device_ctl_info *edac_dev,
- struct edac_device_block *block)
-{
- struct edac_dev_sysfs_block_attribute *sysfs_attrib;
- int i;
-
- /* if this block has 'attributes' then we need to iterate over the list
- * and 'remove' the attributes on this block
- */
- sysfs_attrib = block->block_attributes;
- if (sysfs_attrib && block->nr_attribs) {
- for (i = 0; i < block->nr_attribs; i++, sysfs_attrib++) {
-
- /* remove each block_attrib file */
- sysfs_remove_file(&block->kobj,
- (struct attribute *) sysfs_attrib);
- }
- }
-
- /* unregister this block's kobject, SEE:
- * edac_device_ctrl_block_release() callback operation
- */
- kobject_put(&block->kobj);
-}
-
-/* instance ctor/dtor code */
-
-/*
- * edac_device_create_instance
- * create just one instance of an edac_device 'instance'
- */
-static int edac_device_create_instance(struct edac_device_ctl_info *edac_dev,
- int idx)
-{
- int i, j;
- int err;
- struct edac_device_instance *instance;
- struct kobject *main_kobj;
-
- instance = &edac_dev->instances[idx];
-
- /* Init the instance's kobject */
- memset(&instance->kobj, 0, sizeof(struct kobject));
-
- instance->ctl = edac_dev;
-
- /* bump the main kobject's reference count for this controller
- * and this instance is dependent on the main
- */
- main_kobj = kobject_get(&edac_dev->kobj);
- if (!main_kobj) {
- err = -ENODEV;
- goto err_out;
- }
-
- /* Formally register this instance's kobject under the edac_device */
- err = kobject_init_and_add(&instance->kobj, &ktype_instance_ctrl,
- &edac_dev->kobj, "%s", instance->name);
- if (err != 0) {
- debugf2("%s() Failed to register instance '%s'\n",
- __func__, instance->name);
- kobject_put(main_kobj);
- goto err_out;
- }
-
- debugf4("%s() now register '%d' blocks for instance %d\n",
- __func__, instance->nr_blocks, idx);
-
- /* register all blocks of this instance */
- for (i = 0; i < instance->nr_blocks; i++) {
- err = edac_device_create_block(edac_dev, instance,
- &instance->blocks[i]);
- if (err) {
- /* If any fail, remove all previous ones */
- for (j = 0; j < i; j++)
- edac_device_delete_block(edac_dev,
- &instance->blocks[j]);
- goto err_release_instance_kobj;
- }
- }
- kobject_uevent(&instance->kobj, KOBJ_ADD);
-
- debugf4("%s() Registered instance %d '%s' kobject\n",
- __func__, idx, instance->name);
-
- return 0;
-
- /* error unwind stack */
-err_release_instance_kobj:
- kobject_put(&instance->kobj);
-
-err_out:
- return err;
-}
-
-/*
- * edac_device_remove_instance
- * remove an edac_device instance
- */
-static void edac_device_delete_instance(struct edac_device_ctl_info *edac_dev,
- int idx)
-{
- struct edac_device_instance *instance;
- int i;
-
- instance = &edac_dev->instances[idx];
-
- /* unregister all blocks in this instance */
- for (i = 0; i < instance->nr_blocks; i++)
- edac_device_delete_block(edac_dev, &instance->blocks[i]);
-
- /* unregister this instance's kobject, SEE:
- * edac_device_ctrl_instance_release() for callback operation
- */
- kobject_put(&instance->kobj);
-}
-
-/*
- * edac_device_create_instances
- * create the first level of 'instances' for this device
- * (ie 'cache' might have 'cache0', 'cache1', 'cache2', etc
- */
-static int edac_device_create_instances(struct edac_device_ctl_info *edac_dev)
-{
- int i, j;
- int err;
-
- debugf0("%s()\n", __func__);
-
- /* iterate over creation of the instances */
- for (i = 0; i < edac_dev->nr_instances; i++) {
- err = edac_device_create_instance(edac_dev, i);
- if (err) {
- /* unwind previous instances on error */
- for (j = 0; j < i; j++)
- edac_device_delete_instance(edac_dev, j);
- return err;
- }
- }
-
- return 0;
-}
-
-/*
- * edac_device_delete_instances(edac_dev);
- * unregister all the kobjects of the instances
- */
-static void edac_device_delete_instances(struct edac_device_ctl_info *edac_dev)
-{
- int i;
-
- /* iterate over creation of the instances */
- for (i = 0; i < edac_dev->nr_instances; i++)
- edac_device_delete_instance(edac_dev, i);
-}
-
-/* edac_dev sysfs ctor/dtor code */
-
-/*
- * edac_device_add_main_sysfs_attributes
- * add some attributes to this instance's main kobject
- */
-static int edac_device_add_main_sysfs_attributes(
- struct edac_device_ctl_info *edac_dev)
-{
- struct edac_dev_sysfs_attribute *sysfs_attrib;
- int err = 0;
-
- sysfs_attrib = edac_dev->sysfs_attributes;
- if (sysfs_attrib) {
- /* iterate over the array and create an attribute for each
- * entry in the list
- */
- while (sysfs_attrib->attr.name != NULL) {
- err = sysfs_create_file(&edac_dev->kobj,
- (struct attribute*) sysfs_attrib);
- if (err)
- goto err_out;
-
- sysfs_attrib++;
- }
- }
-
-err_out:
- return err;
-}
-
-/*
- * edac_device_remove_main_sysfs_attributes
- * remove any attributes to this instance's main kobject
- */
-static void edac_device_remove_main_sysfs_attributes(
- struct edac_device_ctl_info *edac_dev)
-{
- struct edac_dev_sysfs_attribute *sysfs_attrib;
-
- /* if there are main attributes, defined, remove them. First,
- * point to the start of the array and iterate over it
- * removing each attribute listed from this device's instance's kobject
- */
- sysfs_attrib = edac_dev->sysfs_attributes;
- if (sysfs_attrib) {
- while (sysfs_attrib->attr.name != NULL) {
- sysfs_remove_file(&edac_dev->kobj,
- (struct attribute *) sysfs_attrib);
- sysfs_attrib++;
- }
- }
-}
-
-/*
- * edac_device_create_sysfs() Constructor
- *
- * accept a created edac_device control structure
- * and 'export' it to sysfs. The 'main' kobj should already have been
- * created. 'instance' and 'block' kobjects should be registered
- * along with any 'block' attributes from the low driver. In addition,
- * the main attributes (if any) are connected to the main kobject of
- * the control structure.
- *
- * Return:
- * 0 Success
- * !0 Failure
- */
-int edac_device_create_sysfs(struct edac_device_ctl_info *edac_dev)
-{
- int err;
- struct kobject *edac_kobj = &edac_dev->kobj;
-
- debugf0("%s() idx=%d\n", __func__, edac_dev->dev_idx);
-
- /* go create any main attributes callers wants */
- err = edac_device_add_main_sysfs_attributes(edac_dev);
- if (err) {
- debugf0("%s() failed to add sysfs attribs\n", __func__);
- goto err_out;
- }
-
- /* create a symlink from the edac device
- * to the platform 'device' being used for this
- */
- err = sysfs_create_link(edac_kobj,
- &edac_dev->dev->kobj, EDAC_DEVICE_SYMLINK);
- if (err) {
- debugf0("%s() sysfs_create_link() returned err= %d\n",
- __func__, err);
- goto err_remove_main_attribs;
- }
-
- /* Create the first level instance directories
- * In turn, the nested blocks beneath the instances will
- * be registered as well
- */
- err = edac_device_create_instances(edac_dev);
- if (err) {
- debugf0("%s() edac_device_create_instances() "
- "returned err= %d\n", __func__, err);
- goto err_remove_link;
- }
-
-
- debugf4("%s() create-instances done, idx=%d\n",
- __func__, edac_dev->dev_idx);
-
- return 0;
-
- /* Error unwind stack */
-err_remove_link:
- /* remove the sym link */
- sysfs_remove_link(&edac_dev->kobj, EDAC_DEVICE_SYMLINK);
-
-err_remove_main_attribs:
- edac_device_remove_main_sysfs_attributes(edac_dev);
-
-err_out:
- return err;
-}
-
-/*
- * edac_device_remove_sysfs() destructor
- *
- * given an edac_device struct, tear down the kobject resources
- */
-void edac_device_remove_sysfs(struct edac_device_ctl_info *edac_dev)
-{
- debugf0("%s()\n", __func__);
-
- /* remove any main attributes for this device */
- edac_device_remove_main_sysfs_attributes(edac_dev);
-
- /* remove the device sym link */
- sysfs_remove_link(&edac_dev->kobj, EDAC_DEVICE_SYMLINK);
-
- /* walk the instance/block kobject tree, deconstructing it */
- edac_device_delete_instances(edac_dev);
-}
generated by cgit (git 2.34.1) at 2025-03-12 20:25:12 +0000