1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * (C) Copyright 2019 Rockchip Electronics Co., Ltd 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef _SPL_AB_H_ 7*4882a593Smuzhiyun #define _SPL_AB_H_ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <spl.h> 10*4882a593Smuzhiyun #include <android_avb/libavb_ab.h> 11*4882a593Smuzhiyun #include <android_avb/avb_ab_flow.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #define AB_METADATA_OFFSET 4 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun /* 16*4882a593Smuzhiyun * spl_get_current_slot 17*4882a593Smuzhiyun * 18*4882a593Smuzhiyun * @dev_desc: block description 19*4882a593Smuzhiyun * @partition: partition name 20*4882a593Smuzhiyun * @slot: A/B slot 21*4882a593Smuzhiyun * 22*4882a593Smuzhiyun * return: 0 success, others fail. 23*4882a593Smuzhiyun */ 24*4882a593Smuzhiyun int spl_get_current_slot(struct blk_desc *dev_desc, char *partition, 25*4882a593Smuzhiyun char *slot); 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun /* 28*4882a593Smuzhiyun * spl_ab_append_part_slot 29*4882a593Smuzhiyun * 30*4882a593Smuzhiyun * @dev_desc: block description 31*4882a593Smuzhiyun * @part_name: partition name 32*4882a593Smuzhiyun * @new_name: append the slot suffix 33*4882a593Smuzhiyun * 34*4882a593Smuzhiyun * return: 0 success, others fail. 35*4882a593Smuzhiyun */ 36*4882a593Smuzhiyun int spl_ab_append_part_slot(struct blk_desc *dev_desc, 37*4882a593Smuzhiyun const char *part_name, 38*4882a593Smuzhiyun char *new_name); 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun /* 41*4882a593Smuzhiyun * spl_ab_decrease_tries 42*4882a593Smuzhiyun * 43*4882a593Smuzhiyun * @dev_desc: block description 44*4882a593Smuzhiyun * 45*4882a593Smuzhiyun * return: 0 success, others fail. 46*4882a593Smuzhiyun */ 47*4882a593Smuzhiyun int spl_ab_decrease_tries(struct blk_desc *dev_desc); 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun /* 50*4882a593Smuzhiyun * spl_ab_decrease_reset 51*4882a593Smuzhiyun * 52*4882a593Smuzhiyun * @dev_desc: block description 53*4882a593Smuzhiyun * 54*4882a593Smuzhiyun * return: 0 success, others fail. 55*4882a593Smuzhiyun */ 56*4882a593Smuzhiyun int spl_ab_decrease_reset(struct blk_desc *dev_desc); 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun #endif 59