linux-imx

#include "edac_module.h"

​

static struct dentry *edac_debugfs;

​

static ssize_t edac_fake_inject_write(struct file *file,

                      const char __user *data,

                      size_t count, loff_t *ppos)

{

    struct device *dev = file->private_data;

    struct mem_ctl_info *mci = to_mci(dev);

    static enum hw_event_mc_err_type type;

    u16 errcount = mci->fake_inject_count;

​

    if (!errcount)

        errcount = 1;

​

    type = mci->fake_inject_ue ? HW_EVENT_ERR_UNCORRECTED

                   : HW_EVENT_ERR_CORRECTED;

​

    printk(KERN_DEBUG

           "Generating %d %s fake error%s to %d.%d.%d to test core handling. NOTE: this won't test the driver-specific decoding logic.\n",

        errcount,

        (type == HW_EVENT_ERR_UNCORRECTED) ? "UE" : "CE",

        errcount > 1 ? "s" : "",

        mci->fake_inject_layer[0],

        mci->fake_inject_layer[1],

        mci->fake_inject_layer[2]

           );

    edac_mc_handle_error(type, mci, errcount, 0, 0, 0,

                 mci->fake_inject_layer[0],

                 mci->fake_inject_layer[1],

                 mci->fake_inject_layer[2],

                 "FAKE ERROR", "for EDAC testing only");

​

    return count;

}

​

static const struct file_operations debug_fake_inject_fops = {

    .open = simple_open,

    .write = edac_fake_inject_write,

    .llseek = generic_file_llseek,

};

​

void __init edac_debugfs_init(void)

{

    edac_debugfs = debugfs_create_dir("edac", NULL);

}

​

void edac_debugfs_exit(void)

{

    debugfs_remove_recursive(edac_debugfs);

}

​

void edac_create_debugfs_nodes(struct mem_ctl_info *mci)

{

    struct dentry *parent;

    char name[80];

    int i;

​

    parent = debugfs_create_dir(mci->dev.kobj.name, edac_debugfs);

​

    for (i = 0; i < mci->n_layers; i++) {

        sprintf(name, "fake_inject_%s",