| /** |
| * Copyright (C) ARM Limited 2012-2016. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| */ |
| #include "gator_events_mali_common.h" |
| |
| extern int gator_mali_create_file_system(const char *mali_name, const char *event_name, struct super_block *sb, struct dentry *root, struct mali_counter *counter, unsigned long *event) |
| { |
| int err; |
| char buf[50]; |
| struct dentry *dir; |
| |
| /* If the counter name is empty ignore it */ |
| if (strlen(event_name) != 0) { |
| /* Set up the filesystem entry for this event. */ |
| if (mali_name == NULL) |
| snprintf(buf, sizeof(buf), "ARM_Mali-%s", event_name); |
| else |
| snprintf(buf, sizeof(buf), "ARM_Mali-%s_%s", mali_name, event_name); |
| |
| dir = gatorfs_mkdir(sb, root, buf); |
| |
| if (dir == NULL) { |
| pr_err("gator: %s: error creating file system for: %s (%s)\n", mali_name, event_name, buf); |
| return -1; |
| } |
| |
| err = gatorfs_create_ulong(sb, dir, "enabled", &counter->enabled); |
| if (err != 0) { |
| pr_err("gator: %s: error calling gatorfs_create_ulong for: %s (%s)\n", mali_name, event_name, buf); |
| return -1; |
| } |
| err = gatorfs_create_ro_ulong(sb, dir, "key", &counter->key); |
| if (err != 0) { |
| pr_err("gator: %s: error calling gatorfs_create_ro_ulong for: %s (%s)\n", mali_name, event_name, buf); |
| return -1; |
| } |
| if (counter->cores != -1) { |
| err = gatorfs_create_ro_ulong(sb, dir, "cores", &counter->cores); |
| if (err != 0) { |
| pr_err("gator: %s: error calling gatorfs_create_ro_ulong for: %s (%s)\n", mali_name, event_name, buf); |
| return -1; |
| } |
| } |
| if (event != NULL) { |
| err = gatorfs_create_ulong(sb, dir, "event", event); |
| if (err != 0) { |
| pr_err("gator: %s: error calling gatorfs_create_ro_ulong for: %s (%s)\n", mali_name, event_name, buf); |
| return -1; |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| extern void gator_mali_initialise_counters(struct mali_counter counters[], unsigned int n_counters) |
| { |
| unsigned int cnt; |
| |
| for (cnt = 0; cnt < n_counters; cnt++) { |
| struct mali_counter *counter = &counters[cnt]; |
| |
| counter->key = gator_events_get_key(); |
| counter->enabled = 0; |
| counter->cores = -1; |
| } |
| } |