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path: root/drivers/gator/gator_events_mali_common.c
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Diffstat (limited to 'drivers/gator/gator_events_mali_common.c')
-rw-r--r--drivers/gator/gator_events_mali_common.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/gator/gator_events_mali_common.c b/drivers/gator/gator_events_mali_common.c
new file mode 100644
index 000000000000..1af87d649afe
--- /dev/null
+++ b/drivers/gator/gator_events_mali_common.c
@@ -0,0 +1,72 @@
+/**
+ * Copyright (C) ARM Limited 2012-2014. 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[255];
+ 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_debug("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_debug("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_debug("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_debug("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_debug("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;
+ }
+}