/*
 * livepatch_main.c - kernel live patch main infrastructure
 *
 * Copyright (c) 2014 SUSE
 *  Author: Miroslav Benes <mbenes@suse.cz>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include <linux/livepatch.h>
#include <linux/module.h>
#include <linux/types.h>

#include "uname_patch/livepatch_uname.h"

/* Auto expanded KLP_PATCHES_INCLUDES: */
#include "bsc1256780/livepatch_bsc1256780.h"
#include "bsc1257238/livepatch_bsc1257238.h"
#include "bsc1258051/livepatch_bsc1258051.h"
#include "bsc1258183/livepatch_bsc1258183.h"
#include "bsc1258784/livepatch_bsc1258784.h"


static struct klp_object objs[] = {
	/* Auto expanded KLP_PATCHES_OBJS: */
	{
		.name = NULL,
		.funcs = (struct klp_func[]) {
			{
			  .old_name = __stringify(KLP_SYSCALL_SYM(newuname)),
			  .new_func = KLP_SYSCALL_SYM(klp_newuname),
			},
#ifdef KLP_ARCH_HAS_SYSCALL_COMPAT_STUBS
			{
			  .old_name = __stringify(KLP_SYSCALL_COMPAT_STUB_SYM(newuname)),
			  .new_func = KLP_SYSCALL_COMPAT_STUB_SYM(klp_newuname),
			},
#endif
			{ }
		}
	},
	{
		.name = "auth_rpcgss",
		.funcs = (struct klp_func[]) {
			{ .old_name = __stringify(svcauth_gss_proxy_init), .new_func = klpp_svcauth_gss_proxy_init, },
			{ }
		}
	},
	{
		.name = "macvlan",
		.funcs = (struct klp_func[]) {
			{ .old_name = __stringify(macvlan_common_newlink), .new_func = klpp_macvlan_common_newlink, },
			{ }
		}
	},
	{
		.name = "nf_tables",
		.funcs = (struct klp_func[]) {
			{ .old_name = __stringify(nft_map_catchall_activate), .new_func = klpp_nft_map_catchall_activate, },
			{ }
		}
	},
	{
		.name = "sch_qfq",
		.funcs = (struct klp_func[]) {
			{ .old_name = __stringify(qfq_change_class), .new_func = klpp_qfq_change_class, },
			{ }
		}
	},
	{
		.name = "sch_teql",
		.funcs = (struct klp_func[]) {
			{ .old_name = __stringify(teql_qdisc_init), .new_func = klpp_teql_qdisc_init, },
			{ }
		}
	},
	{ }
};

static struct klp_patch patch = {
	.mod = THIS_MODULE,
	.objs = objs,
	.replace = true,
};

static int __init klp_patch_init(void)
{
	int retval;

	pr_info("livepatch: initializing\n");

	/* Auto expanded KLP_PATCHES_INIT_CALLS: */
	retval = livepatch_bsc1256780_init();
	if (retval)
		goto err_bsc1256780;

	retval = livepatch_bsc1257238_init();
	if (retval)
		goto err_bsc1257238;

	retval = livepatch_bsc1258051_init();
	if (retval)
		goto err_bsc1258051;

	retval = livepatch_bsc1258183_init();
	if (retval)
		goto err_bsc1258183;

	retval = livepatch_bsc1258784_init();
	if (retval)
		goto err_bsc1258784;

	retval = klp_enable_patch(&patch);
	if (!retval)
		return retval;

	/* Auto expanded KLP_PATCHES_INIT_ERR_HANDLERS: */
	livepatch_bsc1258784_cleanup();
err_bsc1258784:
	livepatch_bsc1258183_cleanup();
err_bsc1258183:
	livepatch_bsc1258051_cleanup();
err_bsc1258051:
	livepatch_bsc1257238_cleanup();
err_bsc1257238:
	livepatch_bsc1256780_cleanup();
err_bsc1256780:

	return retval;
}

static void __exit klp_patch_cleanup(void)
{
	pr_info("livepatch: removed\n");

	/* Auto expanded KLP_PATCHES_CLEANUP_CALLS: */
	livepatch_bsc1256780_cleanup();
	livepatch_bsc1257238_cleanup();
	livepatch_bsc1258051_cleanup();
	livepatch_bsc1258183_cleanup();
	livepatch_bsc1258784_cleanup();

}

module_init(klp_patch_init);
module_exit(klp_patch_cleanup);

MODULE_LICENSE("GPL");
MODULE_INFO(livepatch, "Y");
MODULE_INFO(klpgitrev, "6f708353e5940efe5b7007e1187dca348ed81c54");