/*
 * 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 "bsc1261630/livepatch_bsc1261630.h"
#include "bsc1261845/livepatch_bsc1261845.h"
#include "bsc1263689/livepatch_bsc1263689.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
			{ .old_name = __stringify(xfrm_nat_keepalive_net_fini), .new_func = klpp_xfrm_nat_keepalive_net_fini, },
			{ .old_name = __stringify(net_shaper_lookup), .new_func = klpp_net_shaper_lookup, },
			{ .old_name = __stringify(net_shaper_nl_get_dumpit), .new_func = klpp_net_shaper_nl_get_dumpit, },
			{ .old_name = __stringify(net_shaper_set_real_num_tx_queues), .new_func = klpp_net_shaper_set_real_num_tx_queues, },
			{ }
		}
	},
	{
		.name = "algif_aead",
		.funcs = (struct klp_func[]) {
			{ .old_name = __stringify(aead_recvmsg), .new_func = klpp_aead_recvmsg, },
			{ }
		}
	},
	{
		.name = "authencesn",
		.funcs = (struct klp_func[]) {
			{ .old_name = __stringify(crypto_authenc_esn_decrypt), .new_func = klpp_crypto_authenc_esn_decrypt, },
			{ .old_name = __stringify(crypto_authenc_esn_decrypt_tail), .new_func = klpp_crypto_authenc_esn_decrypt_tail, },
			{ }
		}
	},
	{ }
};

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_bsc1261630_init();
	if (retval)
		goto err_bsc1261630;

	retval = livepatch_bsc1261845_init();
	if (retval)
		goto err_bsc1261845;

	retval = livepatch_bsc1263689_init();
	if (retval)
		goto err_bsc1263689;

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

	/* Auto expanded KLP_PATCHES_INIT_ERR_HANDLERS: */
	livepatch_bsc1263689_cleanup();
err_bsc1263689:
	livepatch_bsc1261845_cleanup();
err_bsc1261845:
	livepatch_bsc1261630_cleanup();
err_bsc1261630:

	return retval;
}

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

	/* Auto expanded KLP_PATCHES_CLEANUP_CALLS: */
	livepatch_bsc1261630_cleanup();
	livepatch_bsc1261845_cleanup();
	livepatch_bsc1263689_cleanup();

}

module_init(klp_patch_init);
module_exit(klp_patch_cleanup);

MODULE_LICENSE("GPL");
MODULE_INFO(livepatch, "Y");
MODULE_INFO(klpgitrev, "a3348241de121ba6f725cc4b95125b160c003aa2");