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soc: qcom: Add infrastructure to test service locator

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Add debugfs node based infrastructure to test service locator

Change-Id: I37cb319638ce5b6285b2f2ff4386fd92cbda83fd
Signed-off-by: Pushkar Joshi <pushkarj@codeaurora.org>
This commit is contained in:
Pushkar Joshi 2015-03-30 18:35:32 -07:00 • committed by Jeevan Shriram
parent 97718559ad
commit 15a734e879
1 changed files with 66 additions and 3 deletions
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69
drivers/soc/qcom/service-locator.c
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@ -24,6 +24,7 @@
#include <linux/device.h> #include <linux/device.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/workqueue.h> #include <linux/workqueue.h>
#include <linux/debugfs.h>
#include <soc/qcom/msm_qmi_interface.h> #include <soc/qcom/msm_qmi_interface.h>
#include <soc/qcom/service-locator.h> #include <soc/qcom/service-locator.h>
@ -447,15 +448,77 @@ int find_subsys(const char *pd_path, char *subsys)
} }
EXPORT_SYMBOL(find_subsys); EXPORT_SYMBOL(find_subsys);
static int service_locator_init(void) static struct pd_qmi_client_data test_data;
static ssize_t show_servloc(struct seq_file *f, void *unused)
{ {
class_register(&service_locator_class); int rc = 0, i = 0;
char subsys[QMI_SERVREG_LOC_NAME_LENGTH_V01];
rc = get_service_location(&test_data);
if (rc) {
seq_printf(f, "Failed to get process domain!, rc = %d\n", rc);
return -EIO;
}
seq_printf(f, "Service Name: %s\tTotal Domains: %d\n",
test_data.service_name, test_data.total_domains);
for (i = 0; i < test_data.total_domains; i++) {
seq_printf(f, "Instance ID: %d\t ",
test_data.domain_list[i].instance_id);
seq_printf(f, "Domain Name: %s\n",
test_data.domain_list[i].name);
rc = find_subsys(test_data.domain_list[i].name, subsys);
if (rc < 0)
seq_printf(f, "No valid subsys found for %s!\n",
test_data.domain_list[i].name);
else
seq_printf(f, "Subsys: %s\n", subsys);
}
return 0; return 0;
} }
static void service_locator_exit(void) static ssize_t store_servloc(struct file *fp, const char __user *buf,
size_t count, loff_t *unused)
{
if (!buf)
return -EIO;
snprintf(test_data.service_name, sizeof(test_data.service_name),
"%.*s", (int) min((size_t)count - 1,
(sizeof(test_data.service_name) - 1)), buf);
return count;
}
static int servloc_open(struct inode *inode, struct file *file)
{
return single_open(file, (void *)show_servloc, inode->i_private);
}
static const struct file_operations servloc_fops = {
.open = servloc_open,
.read = seq_read,
.write = store_servloc,
.llseek = seq_lseek,
.release = seq_release,
};
static struct dentry *test_servloc_file;
static int __init service_locator_init(void)
{
class_register(&service_locator_class);
test_servloc_file = debugfs_create_file("test_servloc",
S_IRUGO | S_IWUSR, NULL, NULL,
&servloc_fops);
if (!test_servloc_file)
pr_err("Could not create test_servloc debugfs entry!");
return 0;
}
static void __exit service_locator_exit(void)
{ {
class_unregister(&service_locator_class); class_unregister(&service_locator_class);
debugfs_remove(test_servloc_file);
} }
module_init(service_locator_init); module_init(service_locator_init);