751 lines
21 KiB
C
751 lines
21 KiB
C
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/*
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* edac_device.c
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* (C) 2007 www.douglaskthompson.com
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*
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* This file may be distributed under the terms of the
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* GNU General Public License.
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*
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* Written by Doug Thompson <norsk5@xmission.com>
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*
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* edac_device API implementation
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* 19 Jan 2007
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*/
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/smp.h>
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#include <linux/init.h>
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#include <linux/sysctl.h>
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#include <linux/highmem.h>
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#include <linux/timer.h>
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#include <linux/slab.h>
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#include <linux/jiffies.h>
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#include <linux/spinlock.h>
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#include <linux/list.h>
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#include <linux/sysdev.h>
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#include <linux/ctype.h>
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#include <linux/workqueue.h>
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#include <asm/uaccess.h>
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#include <asm/page.h>
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#include "edac_core.h"
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#include "edac_module.h"
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/* lock for the list: 'edac_device_list', manipulation of this list
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* is protected by the 'device_ctls_mutex' lock
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*/
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static DEFINE_MUTEX(device_ctls_mutex);
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static struct list_head edac_device_list = LIST_HEAD_INIT(edac_device_list);
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#ifdef CONFIG_EDAC_DEBUG
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static void edac_device_dump_device(struct edac_device_ctl_info *edac_dev)
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{
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debugf3("\tedac_dev = %p dev_idx=%d \n", edac_dev, edac_dev->dev_idx);
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debugf4("\tedac_dev->edac_check = %p\n", edac_dev->edac_check);
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debugf3("\tdev = %p\n", edac_dev->dev);
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debugf3("\tmod_name:ctl_name = %s:%s\n",
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edac_dev->mod_name, edac_dev->ctl_name);
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debugf3("\tpvt_info = %p\n\n", edac_dev->pvt_info);
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}
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#endif /* CONFIG_EDAC_DEBUG */
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/*
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* edac_device_alloc_ctl_info()
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* Allocate a new edac device control info structure
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*
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* The control structure is allocated in complete chunk
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* from the OS. It is in turn sub allocated to the
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* various objects that compose the struture
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*
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* The structure has a 'nr_instance' array within itself.
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* Each instance represents a major component
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* Example: L1 cache and L2 cache are 2 instance components
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*
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* Within each instance is an array of 'nr_blocks' blockoffsets
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*/
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struct edac_device_ctl_info *edac_device_alloc_ctl_info(
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unsigned sz_private,
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char *edac_device_name, unsigned nr_instances,
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char *edac_block_name, unsigned nr_blocks,
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unsigned offset_value, /* zero, 1, or other based offset */
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struct edac_dev_sysfs_block_attribute *attrib_spec, unsigned nr_attrib,
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int device_index)
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{
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struct edac_device_ctl_info *dev_ctl;
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struct edac_device_instance *dev_inst, *inst;
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struct edac_device_block *dev_blk, *blk_p, *blk;
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struct edac_dev_sysfs_block_attribute *dev_attrib, *attrib_p, *attrib;
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unsigned total_size;
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unsigned count;
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unsigned instance, block, attr;
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void *pvt;
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int err;
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debugf4("%s() instances=%d blocks=%d\n",
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__func__, nr_instances, nr_blocks);
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/* Calculate the size of memory we need to allocate AND
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* determine the offsets of the various item arrays
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* (instance,block,attrib) from the start of an allocated structure.
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* We want the alignment of each item (instance,block,attrib)
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* to be at least as stringent as what the compiler would
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* provide if we could simply hardcode everything into a single struct.
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*/
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dev_ctl = (struct edac_device_ctl_info *)NULL;
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/* Calc the 'end' offset past end of ONE ctl_info structure
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* which will become the start of the 'instance' array
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*/
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dev_inst = edac_align_ptr(&dev_ctl[1], sizeof(*dev_inst));
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/* Calc the 'end' offset past the instance array within the ctl_info
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* which will become the start of the block array
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*/
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dev_blk = edac_align_ptr(&dev_inst[nr_instances], sizeof(*dev_blk));
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/* Calc the 'end' offset past the dev_blk array
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* which will become the start of the attrib array, if any.
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*/
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count = nr_instances * nr_blocks;
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dev_attrib = edac_align_ptr(&dev_blk[count], sizeof(*dev_attrib));
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/* Check for case of when an attribute array is specified */
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if (nr_attrib > 0) {
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/* calc how many nr_attrib we need */
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count *= nr_attrib;
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/* Calc the 'end' offset past the attributes array */
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pvt = edac_align_ptr(&dev_attrib[count], sz_private);
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} else {
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/* no attribute array specificed */
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pvt = edac_align_ptr(dev_attrib, sz_private);
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}
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/* 'pvt' now points to where the private data area is.
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* At this point 'pvt' (like dev_inst,dev_blk and dev_attrib)
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* is baselined at ZERO
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*/
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total_size = ((unsigned long)pvt) + sz_private;
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/* Allocate the amount of memory for the set of control structures */
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dev_ctl = kzalloc(total_size, GFP_KERNEL);
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if (dev_ctl == NULL)
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return NULL;
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/* Adjust pointers so they point within the actual memory we
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* just allocated rather than an imaginary chunk of memory
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* located at address 0.
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* 'dev_ctl' points to REAL memory, while the others are
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* ZERO based and thus need to be adjusted to point within
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* the allocated memory.
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*/
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dev_inst = (struct edac_device_instance *)
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(((char *)dev_ctl) + ((unsigned long)dev_inst));
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dev_blk = (struct edac_device_block *)
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(((char *)dev_ctl) + ((unsigned long)dev_blk));
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dev_attrib = (struct edac_dev_sysfs_block_attribute *)
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(((char *)dev_ctl) + ((unsigned long)dev_attrib));
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pvt = sz_private ? (((char *)dev_ctl) + ((unsigned long)pvt)) : NULL;
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/* Begin storing the information into the control info structure */
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dev_ctl->dev_idx = device_index;
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dev_ctl->nr_instances = nr_instances;
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dev_ctl->instances = dev_inst;
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dev_ctl->pvt_info = pvt;
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/* Default logging of CEs and UEs */
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dev_ctl->log_ce = 1;
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dev_ctl->log_ue = 1;
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/* Name of this edac device */
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snprintf(dev_ctl->name,sizeof(dev_ctl->name),"%s",edac_device_name);
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debugf4("%s() edac_dev=%p next after end=%p\n",
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__func__, dev_ctl, pvt + sz_private );
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/* Initialize every Instance */
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for (instance = 0; instance < nr_instances; instance++) {
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inst = &dev_inst[instance];
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inst->ctl = dev_ctl;
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inst->nr_blocks = nr_blocks;
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blk_p = &dev_blk[instance * nr_blocks];
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inst->blocks = blk_p;
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/* name of this instance */
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snprintf(inst->name, sizeof(inst->name),
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"%s%u", edac_device_name, instance);
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/* Initialize every block in each instance */
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for (block = 0; block < nr_blocks; block++) {
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blk = &blk_p[block];
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blk->instance = inst;
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snprintf(blk->name, sizeof(blk->name),
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"%s%d", edac_block_name, block+offset_value);
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debugf4("%s() instance=%d inst_p=%p block=#%d "
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"block_p=%p name='%s'\n",
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__func__, instance, inst, block,
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blk, blk->name);
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/* if there are NO attributes OR no attribute pointer
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* then continue on to next block iteration
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*/
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if ((nr_attrib == 0) || (attrib_spec == NULL))
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continue;
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/* setup the attribute array for this block */
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blk->nr_attribs = nr_attrib;
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attrib_p = &dev_attrib[block*nr_instances*nr_attrib];
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blk->block_attributes = attrib_p;
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debugf4("%s() THIS BLOCK_ATTRIB=%p\n",
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__func__, blk->block_attributes);
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/* Initialize every user specified attribute in this
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* block with the data the caller passed in
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* Each block gets its own copy of pointers,
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* and its unique 'value'
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*/
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for (attr = 0; attr < nr_attrib; attr++) {
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attrib = &attrib_p[attr];
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/* populate the unique per attrib
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* with the code pointers and info
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*/
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attrib->attr = attrib_spec[attr].attr;
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attrib->show = attrib_spec[attr].show;
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attrib->store = attrib_spec[attr].store;
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attrib->block = blk; /* up link */
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debugf4("%s() alloc-attrib=%p attrib_name='%s' "
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"attrib-spec=%p spec-name=%s\n",
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__func__, attrib, attrib->attr.name,
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&attrib_spec[attr],
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attrib_spec[attr].attr.name
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);
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}
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}
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}
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/* Mark this instance as merely ALLOCATED */
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dev_ctl->op_state = OP_ALLOC;
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/*
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* Initialize the 'root' kobj for the edac_device controller
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*/
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err = edac_device_register_sysfs_main_kobj(dev_ctl);
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if (err) {
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kfree(dev_ctl);
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return NULL;
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}
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/* at this point, the root kobj is valid, and in order to
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* 'free' the object, then the function:
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* edac_device_unregister_sysfs_main_kobj() must be called
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* which will perform kobj unregistration and the actual free
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* will occur during the kobject callback operation
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*/
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return dev_ctl;
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}
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EXPORT_SYMBOL_GPL(edac_device_alloc_ctl_info);
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/*
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* edac_device_free_ctl_info()
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* frees the memory allocated by the edac_device_alloc_ctl_info()
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* function
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*/
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void edac_device_free_ctl_info(struct edac_device_ctl_info *ctl_info)
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{
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edac_device_unregister_sysfs_main_kobj(ctl_info);
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}
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EXPORT_SYMBOL_GPL(edac_device_free_ctl_info);
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/*
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* find_edac_device_by_dev
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* scans the edac_device list for a specific 'struct device *'
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*
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* lock to be held prior to call: device_ctls_mutex
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*
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* Return:
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* pointer to control structure managing 'dev'
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* NULL if not found on list
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*/
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static struct edac_device_ctl_info *find_edac_device_by_dev(struct device *dev)
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{
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struct edac_device_ctl_info *edac_dev;
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struct list_head *item;
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debugf0("%s()\n", __func__);
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list_for_each(item, &edac_device_list) {
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edac_dev = list_entry(item, struct edac_device_ctl_info, link);
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if (edac_dev->dev == dev)
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return edac_dev;
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}
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return NULL;
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}
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/*
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* add_edac_dev_to_global_list
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* Before calling this function, caller must
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* assign a unique value to edac_dev->dev_idx.
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*
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* lock to be held prior to call: device_ctls_mutex
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*
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* Return:
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* 0 on success
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* 1 on failure.
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*/
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static int add_edac_dev_to_global_list(struct edac_device_ctl_info *edac_dev)
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{
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struct list_head *item, *insert_before;
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struct edac_device_ctl_info *rover;
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insert_before = &edac_device_list;
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/* Determine if already on the list */
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rover = find_edac_device_by_dev(edac_dev->dev);
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if (unlikely(rover != NULL))
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goto fail0;
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/* Insert in ascending order by 'dev_idx', so find position */
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list_for_each(item, &edac_device_list) {
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rover = list_entry(item, struct edac_device_ctl_info, link);
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if (rover->dev_idx >= edac_dev->dev_idx) {
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if (unlikely(rover->dev_idx == edac_dev->dev_idx))
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goto fail1;
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insert_before = item;
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break;
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}
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}
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list_add_tail_rcu(&edac_dev->link, insert_before);
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return 0;
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fail0:
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edac_printk(KERN_WARNING, EDAC_MC,
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"%s (%s) %s %s already assigned %d\n",
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rover->dev->bus_id, dev_name(rover),
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rover->mod_name, rover->ctl_name, rover->dev_idx);
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return 1;
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fail1:
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edac_printk(KERN_WARNING, EDAC_MC,
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"bug in low-level driver: attempt to assign\n"
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" duplicate dev_idx %d in %s()\n", rover->dev_idx,
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__func__);
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return 1;
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}
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/*
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* complete_edac_device_list_del
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*
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* callback function when reference count is zero
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*/
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static void complete_edac_device_list_del(struct rcu_head *head)
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{
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struct edac_device_ctl_info *edac_dev;
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edac_dev = container_of(head, struct edac_device_ctl_info, rcu);
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INIT_LIST_HEAD(&edac_dev->link);
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complete(&edac_dev->removal_complete);
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}
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/*
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* del_edac_device_from_global_list
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*
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* remove the RCU, setup for a callback call,
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* then wait for the callback to occur
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*/
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static void del_edac_device_from_global_list(struct edac_device_ctl_info
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*edac_device)
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{
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list_del_rcu(&edac_device->link);
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init_completion(&edac_device->removal_complete);
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call_rcu(&edac_device->rcu, complete_edac_device_list_del);
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wait_for_completion(&edac_device->removal_complete);
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}
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/**
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* edac_device_find
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* Search for a edac_device_ctl_info structure whose index is 'idx'.
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*
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* If found, return a pointer to the structure.
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* Else return NULL.
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*
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* Caller must hold device_ctls_mutex.
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*/
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struct edac_device_ctl_info *edac_device_find(int idx)
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{
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struct list_head *item;
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struct edac_device_ctl_info *edac_dev;
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/* Iterate over list, looking for exact match of ID */
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list_for_each(item, &edac_device_list) {
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edac_dev = list_entry(item, struct edac_device_ctl_info, link);
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if (edac_dev->dev_idx >= idx) {
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if (edac_dev->dev_idx == idx)
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return edac_dev;
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/* not on list, so terminate early */
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break;
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}
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}
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return NULL;
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}
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EXPORT_SYMBOL_GPL(edac_device_find);
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/*
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* edac_device_workq_function
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* performs the operation scheduled by a workq request
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*
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* this workq is embedded within an edac_device_ctl_info
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* structure, that needs to be polled for possible error events.
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*
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* This operation is to acquire the list mutex lock
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* (thus preventing insertation or deletion)
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* and then call the device's poll function IFF this device is
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* running polled and there is a poll function defined.
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*/
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static void edac_device_workq_function(struct work_struct *work_req)
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{
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struct delayed_work *d_work = (struct delayed_work *)work_req;
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struct edac_device_ctl_info *edac_dev = to_edac_device_ctl_work(d_work);
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mutex_lock(&device_ctls_mutex);
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/* Only poll controllers that are running polled and have a check */
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if ((edac_dev->op_state == OP_RUNNING_POLL) &&
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(edac_dev->edac_check != NULL)) {
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edac_dev->edac_check(edac_dev);
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}
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mutex_unlock(&device_ctls_mutex);
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/* Reschedule the workq for the next time period to start again
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* if the number of msec is for 1 sec, then adjust to the next
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* whole one second to save timers fireing all over the period
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* between integral seconds
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*/
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if (edac_dev->poll_msec == 1000)
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queue_delayed_work(edac_workqueue, &edac_dev->work,
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round_jiffies_relative(edac_dev->delay));
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else
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queue_delayed_work(edac_workqueue, &edac_dev->work,
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edac_dev->delay);
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}
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/*
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* edac_device_workq_setup
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* initialize a workq item for this edac_device instance
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* passing in the new delay period in msec
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*/
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void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
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unsigned msec)
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{
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debugf0("%s()\n", __func__);
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/* take the arg 'msec' and set it into the control structure
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* to used in the time period calculation
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* then calc the number of jiffies that represents
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*/
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edac_dev->poll_msec = msec;
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edac_dev->delay = msecs_to_jiffies(msec);
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INIT_DELAYED_WORK(&edac_dev->work, edac_device_workq_function);
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/* optimize here for the 1 second case, which will be normal value, to
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* fire ON the 1 second time event. This helps reduce all sorts of
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* timers firing on sub-second basis, while they are happy
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* to fire together on the 1 second exactly
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*/
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if (edac_dev->poll_msec == 1000)
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queue_delayed_work(edac_workqueue, &edac_dev->work,
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round_jiffies_relative(edac_dev->delay));
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else
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queue_delayed_work(edac_workqueue, &edac_dev->work,
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edac_dev->delay);
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}
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/*
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* edac_device_workq_teardown
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* stop the workq processing on this edac_dev
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*/
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void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev)
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{
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int status;
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status = cancel_delayed_work(&edac_dev->work);
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if (status == 0) {
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/* workq instance might be running, wait for it */
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flush_workqueue(edac_workqueue);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* edac_device_reset_delay_period
|
|
*
|
|
* need to stop any outstanding workq queued up at this time
|
|
* because we will be resetting the sleep time.
|
|
* Then restart the workq on the new delay
|
|
*/
|
|
void edac_device_reset_delay_period(struct edac_device_ctl_info *edac_dev,
|
|
unsigned long value)
|
|
{
|
|
/* cancel the current workq request, without the mutex lock */
|
|
edac_device_workq_teardown(edac_dev);
|
|
|
|
/* acquire the mutex before doing the workq setup */
|
|
mutex_lock(&device_ctls_mutex);
|
|
|
|
/* restart the workq request, with new delay value */
|
|
edac_device_workq_setup(edac_dev, value);
|
|
|
|
mutex_unlock(&device_ctls_mutex);
|
|
}
|
|
|
|
/**
|
|
* edac_device_add_device: Insert the 'edac_dev' structure into the
|
|
* edac_device global list and create sysfs entries associated with
|
|
* edac_device structure.
|
|
* @edac_device: pointer to the edac_device structure to be added to the list
|
|
* 'edac_device' structure.
|
|
*
|
|
* Return:
|
|
* 0 Success
|
|
* !0 Failure
|
|
*/
|
|
int edac_device_add_device(struct edac_device_ctl_info *edac_dev)
|
|
{
|
|
debugf0("%s()\n", __func__);
|
|
|
|
#ifdef CONFIG_EDAC_DEBUG
|
|
if (edac_debug_level >= 3)
|
|
edac_device_dump_device(edac_dev);
|
|
#endif
|
|
mutex_lock(&device_ctls_mutex);
|
|
|
|
if (add_edac_dev_to_global_list(edac_dev))
|
|
goto fail0;
|
|
|
|
/* set load time so that error rate can be tracked */
|
|
edac_dev->start_time = jiffies;
|
|
|
|
/* create this instance's sysfs entries */
|
|
if (edac_device_create_sysfs(edac_dev)) {
|
|
edac_device_printk(edac_dev, KERN_WARNING,
|
|
"failed to create sysfs device\n");
|
|
goto fail1;
|
|
}
|
|
|
|
/* If there IS a check routine, then we are running POLLED */
|
|
if (edac_dev->edac_check != NULL) {
|
|
/* This instance is NOW RUNNING */
|
|
edac_dev->op_state = OP_RUNNING_POLL;
|
|
|
|
/*
|
|
* enable workq processing on this instance,
|
|
* default = 1000 msec
|
|
*/
|
|
edac_device_workq_setup(edac_dev, 1000);
|
|
} else {
|
|
edac_dev->op_state = OP_RUNNING_INTERRUPT;
|
|
}
|
|
|
|
/* Report action taken */
|
|
edac_device_printk(edac_dev, KERN_INFO,
|
|
"Giving out device to module '%s' controller "
|
|
"'%s': DEV '%s' (%s)\n",
|
|
edac_dev->mod_name,
|
|
edac_dev->ctl_name,
|
|
dev_name(edac_dev),
|
|
edac_op_state_to_string(edac_dev->op_state));
|
|
|
|
mutex_unlock(&device_ctls_mutex);
|
|
return 0;
|
|
|
|
fail1:
|
|
/* Some error, so remove the entry from the lsit */
|
|
del_edac_device_from_global_list(edac_dev);
|
|
|
|
fail0:
|
|
mutex_unlock(&device_ctls_mutex);
|
|
return 1;
|
|
}
|
|
EXPORT_SYMBOL_GPL(edac_device_add_device);
|
|
|
|
/**
|
|
* edac_device_del_device:
|
|
* Remove sysfs entries for specified edac_device structure and
|
|
* then remove edac_device structure from global list
|
|
*
|
|
* @pdev:
|
|
* Pointer to 'struct device' representing edac_device
|
|
* structure to remove.
|
|
*
|
|
* Return:
|
|
* Pointer to removed edac_device structure,
|
|
* OR NULL if device not found.
|
|
*/
|
|
struct edac_device_ctl_info *edac_device_del_device(struct device *dev)
|
|
{
|
|
struct edac_device_ctl_info *edac_dev;
|
|
|
|
debugf0("%s()\n", __func__);
|
|
|
|
mutex_lock(&device_ctls_mutex);
|
|
|
|
/* Find the structure on the list, if not there, then leave */
|
|
edac_dev = find_edac_device_by_dev(dev);
|
|
if (edac_dev == NULL) {
|
|
mutex_unlock(&device_ctls_mutex);
|
|
return NULL;
|
|
}
|
|
|
|
/* mark this instance as OFFLINE */
|
|
edac_dev->op_state = OP_OFFLINE;
|
|
|
|
/* clear workq processing on this instance */
|
|
edac_device_workq_teardown(edac_dev);
|
|
|
|
/* deregister from global list */
|
|
del_edac_device_from_global_list(edac_dev);
|
|
|
|
mutex_unlock(&device_ctls_mutex);
|
|
|
|
/* Tear down the sysfs entries for this instance */
|
|
edac_device_remove_sysfs(edac_dev);
|
|
|
|
edac_printk(KERN_INFO, EDAC_MC,
|
|
"Removed device %d for %s %s: DEV %s\n",
|
|
edac_dev->dev_idx,
|
|
edac_dev->mod_name, edac_dev->ctl_name, dev_name(edac_dev));
|
|
|
|
return edac_dev;
|
|
}
|
|
EXPORT_SYMBOL_GPL(edac_device_del_device);
|
|
|
|
static inline int edac_device_get_log_ce(struct edac_device_ctl_info *edac_dev)
|
|
{
|
|
return edac_dev->log_ce;
|
|
}
|
|
|
|
static inline int edac_device_get_log_ue(struct edac_device_ctl_info *edac_dev)
|
|
{
|
|
return edac_dev->log_ue;
|
|
}
|
|
|
|
static inline int edac_device_get_panic_on_ue(struct edac_device_ctl_info
|
|
*edac_dev)
|
|
{
|
|
return edac_dev->panic_on_ue;
|
|
}
|
|
|
|
/*
|
|
* edac_device_handle_ce
|
|
* perform a common output and handling of an 'edac_dev' CE event
|
|
*/
|
|
void edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
|
|
int inst_nr, int block_nr, const char *msg)
|
|
{
|
|
struct edac_device_instance *instance;
|
|
struct edac_device_block *block = NULL;
|
|
|
|
if ((inst_nr >= edac_dev->nr_instances) || (inst_nr < 0)) {
|
|
edac_device_printk(edac_dev, KERN_ERR,
|
|
"INTERNAL ERROR: 'instance' out of range "
|
|
"(%d >= %d)\n", inst_nr,
|
|
edac_dev->nr_instances);
|
|
return;
|
|
}
|
|
|
|
instance = edac_dev->instances + inst_nr;
|
|
|
|
if ((block_nr >= instance->nr_blocks) || (block_nr < 0)) {
|
|
edac_device_printk(edac_dev, KERN_ERR,
|
|
"INTERNAL ERROR: instance %d 'block' "
|
|
"out of range (%d >= %d)\n",
|
|
inst_nr, block_nr,
|
|
instance->nr_blocks);
|
|
return;
|
|
}
|
|
|
|
if (instance->nr_blocks > 0) {
|
|
block = instance->blocks + block_nr;
|
|
block->counters.ce_count++;
|
|
}
|
|
|
|
/* Propogate the count up the 'totals' tree */
|
|
instance->counters.ce_count++;
|
|
edac_dev->counters.ce_count++;
|
|
|
|
if (edac_device_get_log_ce(edac_dev))
|
|
edac_device_printk(edac_dev, KERN_WARNING,
|
|
"CE: %s instance: %s block: %s '%s'\n",
|
|
edac_dev->ctl_name, instance->name,
|
|
block ? block->name : "N/A", msg);
|
|
}
|
|
EXPORT_SYMBOL_GPL(edac_device_handle_ce);
|
|
|
|
/*
|
|
* edac_device_handle_ue
|
|
* perform a common output and handling of an 'edac_dev' UE event
|
|
*/
|
|
void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
|
|
int inst_nr, int block_nr, const char *msg)
|
|
{
|
|
struct edac_device_instance *instance;
|
|
struct edac_device_block *block = NULL;
|
|
|
|
if ((inst_nr >= edac_dev->nr_instances) || (inst_nr < 0)) {
|
|
edac_device_printk(edac_dev, KERN_ERR,
|
|
"INTERNAL ERROR: 'instance' out of range "
|
|
"(%d >= %d)\n", inst_nr,
|
|
edac_dev->nr_instances);
|
|
return;
|
|
}
|
|
|
|
instance = edac_dev->instances + inst_nr;
|
|
|
|
if ((block_nr >= instance->nr_blocks) || (block_nr < 0)) {
|
|
edac_device_printk(edac_dev, KERN_ERR,
|
|
"INTERNAL ERROR: instance %d 'block' "
|
|
"out of range (%d >= %d)\n",
|
|
inst_nr, block_nr,
|
|
instance->nr_blocks);
|
|
return;
|
|
}
|
|
|
|
if (instance->nr_blocks > 0) {
|
|
block = instance->blocks + block_nr;
|
|
block->counters.ue_count++;
|
|
}
|
|
|
|
/* Propogate the count up the 'totals' tree */
|
|
instance->counters.ue_count++;
|
|
edac_dev->counters.ue_count++;
|
|
|
|
if (edac_device_get_log_ue(edac_dev))
|
|
edac_device_printk(edac_dev, KERN_EMERG,
|
|
"UE: %s instance: %s block: %s '%s'\n",
|
|
edac_dev->ctl_name, instance->name,
|
|
block ? block->name : "N/A", msg);
|
|
|
|
if (edac_device_get_panic_on_ue(edac_dev))
|
|
panic("EDAC %s: UE instance: %s block %s '%s'\n",
|
|
edac_dev->ctl_name, instance->name,
|
|
block ? block->name : "N/A", msg);
|
|
}
|
|
EXPORT_SYMBOL_GPL(edac_device_handle_ue);
|