/*
 * 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 "bsc1251982/livepatch_bsc1251982.h"
#include "bsc1253415/livepatch_bsc1253415.h"
#include "bsc1253437/livepatch_bsc1253437.h"
#include "bsc1253439/livepatch_bsc1253439.h"
#include "bsc1254196/livepatch_bsc1254196.h"
#include "bsc1255052/livepatch_bsc1255052.h"
#include "bsc1255053/livepatch_bsc1255053.h"
#include "bsc1255378/livepatch_bsc1255378.h"
#include "bsc1255402/livepatch_bsc1255402.h"
#include "bsc1255895/livepatch_bsc1255895.h"
#include "bsc1256624/livepatch_bsc1256624.h"
#include "bsc1256644/livepatch_bsc1256644.h"
#include "bsc1257669/livepatch_bsc1257669.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(io_link_skb), .new_func = klpp_io_link_skb, },
			{ .old_name = __stringify(tcp_conn_request), .new_func = klpp_tcp_conn_request, },
			{ .old_name = __stringify(unix_add_edges), .new_func = klpp_unix_add_edges, },
			{ .old_name = __stringify(__unix_gc), .new_func = klpp___unix_gc, },
			{ .old_name = __stringify(mptcp_schedule_work), .new_func = klpp_mptcp_schedule_work, },
			{ .old_name = __stringify(calipso_skbuff_setattr), .new_func = klpp_calipso_skbuff_setattr, .old_sympos = 1, },
			{ }
		}
	},
#if IS_ENABLED(CONFIG_BT)
	{
		.name = "bluetooth",
		.funcs = (struct klp_func[]) {
			{ .old_name = __stringify(mgmt_index_removed), .new_func = klpp_mgmt_index_removed, },
			{ }
		}
	},
#endif
	{
		.name = "bridge",
		.funcs = (struct klp_func[]) {
			{ .old_name = __stringify(br_forward), .new_func = klpp_br_forward, },
			{ .old_name = __stringify(maybe_deliver), .new_func = klpp_maybe_deliver, },
			{ .old_name = __stringify(br_multicast_flood), .new_func = klpp_br_multicast_flood, },
			{ .old_name = __stringify(br_handle_frame_finish), .new_func = klpp_br_handle_frame_finish, },
			{ .old_name = __stringify(br_handle_frame), .new_func = klpp_br_handle_frame, },
			{ }
		}
	},
#if (!IS_ENABLED(CONFIG_S390)) || (IS_ENABLED(CONFIG_S390))
	{
		.name = "ip_vs",
		.funcs = (struct klp_func[]) {
#if !IS_ENABLED(CONFIG_S390)
			{ .old_name = __stringify(__ip_vs_get_out_rt), .new_func = klpp___ip_vs_get_out_rt, },
#endif
#if IS_ENABLED(CONFIG_S390)
			{ .old_name = __stringify(ip_vs_bypass_xmit), .new_func = klpp_ip_vs_bypass_xmit, },
			{ .old_name = __stringify(ip_vs_dr_xmit), .new_func = klpp_ip_vs_dr_xmit, },
			{ .old_name = __stringify(ip_vs_icmp_xmit), .new_func = klpp_ip_vs_icmp_xmit, },
			{ .old_name = __stringify(ip_vs_nat_xmit), .new_func = klpp_ip_vs_nat_xmit, },
			{ .old_name = __stringify(ip_vs_tunnel_xmit), .new_func = klpp_ip_vs_tunnel_xmit, },
#endif
			{ }
		}
	},
#endif
	{
		.name = "libceph",
		.funcs = (struct klp_func[]) {
			{ .old_name = __stringify(ceph_x_handle_reply), .new_func = klpp_ceph_x_handle_reply, },
			{ .old_name = __stringify(__ceph_open_session), .new_func = klpp___ceph_open_session, },
			{ .old_name = __stringify(monmap_show), .new_func = klpp_monmap_show, },
			{ .old_name = __stringify(osdmap_show), .new_func = klpp_osdmap_show, },
			{ }
		}
	},
	{
		.name = "nfsd",
		.funcs = (struct klp_func[]) {
			{ .old_name = __stringify(__fh_verify), .new_func = klpp___fh_verify, },
			{ }
		}
	},
	{
		.name = "sctp",
		.funcs = (struct klp_func[]) {
			{ .old_name = __stringify(sctp_unpack_cookie), .new_func = klpp_sctp_unpack_cookie, },
			{ .old_name = __stringify(sctp_sf_authenticate), .new_func = klpp_sctp_sf_authenticate, },
			{ }
		}
	},
#if IS_ENABLED(CONFIG_SCSI_UFSHCD)
	{
		.name = "ufshcd_core",
		.funcs = (struct klp_func[]) {
			{ .old_name = __stringify(pm_qos_enable_show), .new_func = klpp_pm_qos_enable_show, },
			{ .old_name = __stringify(ufshcd_pm_qos_init), .new_func = klpp_ufshcd_pm_qos_init, },
			{ .old_name = __stringify(ufshcd_pm_qos_exit), .new_func = klpp_ufshcd_pm_qos_exit, },
			{ .old_name = __stringify(ufshcd_scale_clks), .new_func = klpp_ufshcd_scale_clks, },
			{ .old_name = __stringify(ufshcd_setup_clocks), .new_func = klpp_ufshcd_setup_clocks, },
			{ .old_name = __stringify(ufshcd_suspend), .new_func = klpp_ufshcd_suspend, },
			{ .old_name = __stringify(ufshcd_init), .new_func = klpp_ufshcd_init, },
			{ .old_name = __stringify(ufshcd_remove), .new_func = klpp_ufshcd_remove, },
			{ }
		}
	},
#endif
	{ }
};

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_bsc1251982_init();
	if (retval)
		goto err_bsc1251982;

	retval = livepatch_bsc1253415_init();
	if (retval)
		goto err_bsc1253415;

	retval = livepatch_bsc1253437_init();
	if (retval)
		goto err_bsc1253437;

	retval = livepatch_bsc1253439_init();
	if (retval)
		goto err_bsc1253439;

	retval = livepatch_bsc1254196_init();
	if (retval)
		goto err_bsc1254196;

	retval = livepatch_bsc1255052_init();
	if (retval)
		goto err_bsc1255052;

	retval = livepatch_bsc1255053_init();
	if (retval)
		goto err_bsc1255053;

	retval = livepatch_bsc1255378_init();
	if (retval)
		goto err_bsc1255378;

	retval = livepatch_bsc1255402_init();
	if (retval)
		goto err_bsc1255402;

	retval = livepatch_bsc1255895_init();
	if (retval)
		goto err_bsc1255895;

	retval = livepatch_bsc1256624_init();
	if (retval)
		goto err_bsc1256624;

	retval = livepatch_bsc1256644_init();
	if (retval)
		goto err_bsc1256644;

	retval = livepatch_bsc1257669_init();
	if (retval)
		goto err_bsc1257669;

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

	/* Auto expanded KLP_PATCHES_INIT_ERR_HANDLERS: */
	livepatch_bsc1257669_cleanup();
err_bsc1257669:
	livepatch_bsc1256644_cleanup();
err_bsc1256644:
	livepatch_bsc1256624_cleanup();
err_bsc1256624:
	livepatch_bsc1255895_cleanup();
err_bsc1255895:
	livepatch_bsc1255402_cleanup();
err_bsc1255402:
	livepatch_bsc1255378_cleanup();
err_bsc1255378:
	livepatch_bsc1255053_cleanup();
err_bsc1255053:
	livepatch_bsc1255052_cleanup();
err_bsc1255052:
	livepatch_bsc1254196_cleanup();
err_bsc1254196:
	livepatch_bsc1253439_cleanup();
err_bsc1253439:
	livepatch_bsc1253437_cleanup();
err_bsc1253437:
	livepatch_bsc1253415_cleanup();
err_bsc1253415:
	livepatch_bsc1251982_cleanup();
err_bsc1251982:

	return retval;
}

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

	/* Auto expanded KLP_PATCHES_CLEANUP_CALLS: */
	livepatch_bsc1251982_cleanup();
	livepatch_bsc1253415_cleanup();
	livepatch_bsc1253437_cleanup();
	livepatch_bsc1253439_cleanup();
	livepatch_bsc1254196_cleanup();
	livepatch_bsc1255052_cleanup();
	livepatch_bsc1255053_cleanup();
	livepatch_bsc1255378_cleanup();
	livepatch_bsc1255402_cleanup();
	livepatch_bsc1255895_cleanup();
	livepatch_bsc1256624_cleanup();
	livepatch_bsc1256644_cleanup();
	livepatch_bsc1257669_cleanup();

}

module_init(klp_patch_init);
module_exit(klp_patch_cleanup);

MODULE_LICENSE("GPL");
MODULE_INFO(livepatch, "Y");
MODULE_INFO(klpgitrev, "7c3b43427ddf5782f8d2f6e5175ed61b49b17a48");