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Commit 8096c972 authored by Pushkar Joshi's avatar Pushkar Joshi
Browse files

soc: qcom: Add infrastructure to test service locator 



Add debugfs node based infrastructure to test service locator

Change-Id: I37cb319638ce5b6285b2f2ff4386fd92cbda83fd
Signed-off-by: default avatarPushkar Joshi <pushkarj@codeaurora.org>
parent 25c311d7

drivers/soc/qcom/service-locator.c

+65 −2
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ 
#include <linux/device.h>

#include <linux/delay.h>

#include <linux/workqueue.h>

#include <linux/debugfs.h>



#include <soc/qcom/msm_qmi_interface.h>

#include <soc/qcom/service-locator.h>
@@ -447,15 +448,77 @@ int find_subsys(const char *pd_path, char *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)

{

	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;

}



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 service_locator_exit(void)

static void __exit service_locator_exit(void)

{

	class_unregister(&service_locator_class);

	debugfs_remove(test_servloc_file);

}



module_init(service_locator_init);