Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Borislav Petkov | 596 | 99.17% | 2 | 40.00% |
Greg Kroah-Hartman | 3 | 0.50% | 1 | 20.00% |
Thor Thayer | 1 | 0.17% | 1 | 20.00% |
Thomas Gleixner | 1 | 0.17% | 1 | 20.00% |
Total | 601 | 5 |
// SPDX-License-Identifier: GPL-2.0-only #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", edac_layer_name[mci->layers[i].type]); debugfs_create_u8(name, S_IRUGO | S_IWUSR, parent, &mci->fake_inject_layer[i]); } debugfs_create_bool("fake_inject_ue", S_IRUGO | S_IWUSR, parent, &mci->fake_inject_ue); debugfs_create_u16("fake_inject_count", S_IRUGO | S_IWUSR, parent, &mci->fake_inject_count); debugfs_create_file("fake_inject", S_IWUSR, parent, &mci->dev, &debug_fake_inject_fops); mci->debugfs = parent; } /* Create a toplevel dir under EDAC's debugfs hierarchy */ struct dentry *edac_debugfs_create_dir(const char *dirname) { if (!edac_debugfs) return NULL; return debugfs_create_dir(dirname, edac_debugfs); } EXPORT_SYMBOL_GPL(edac_debugfs_create_dir); /* Create a toplevel dir under EDAC's debugfs hierarchy with parent @parent */ struct dentry * edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent) { return debugfs_create_dir(dirname, parent); } EXPORT_SYMBOL_GPL(edac_debugfs_create_dir_at); /* * Create a file under EDAC's hierarchy or a sub-hierarchy: * * @name: file name * @mode: file permissions * @parent: parent dentry. If NULL, it becomes the toplevel EDAC dir * @data: private data of caller * @fops: file operations of this file */ struct dentry * edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops) { if (!parent) parent = edac_debugfs; return debugfs_create_file(name, mode, parent, data, fops); } EXPORT_SYMBOL_GPL(edac_debugfs_create_file); /* Wrapper for debugfs_create_x8() */ struct dentry *edac_debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value) { if (!parent) parent = edac_debugfs; return debugfs_create_x8(name, mode, parent, value); } EXPORT_SYMBOL_GPL(edac_debugfs_create_x8); /* Wrapper for debugfs_create_x16() */ struct dentry *edac_debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent, u16 *value) { if (!parent) parent = edac_debugfs; return debugfs_create_x16(name, mode, parent, value); } EXPORT_SYMBOL_GPL(edac_debugfs_create_x16);
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