Edit File: pstore_ram.h
/* * Copyright (C) 2010 Marco Stornelli <marco.stornelli@gmail.com> * Copyright (C) 2011 Kees Cook <keescook@chromium.org> * Copyright (C) 2011 Google, Inc. * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and * may be copied, distributed, and modified under those terms. * * 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. * */ #ifndef __LINUX_PSTORE_RAM_H__ #define __LINUX_PSTORE_RAM_H__ #include <linux/device.h> #include <linux/kernel.h> #include <linux/list.h> #include <linux/types.h> #include <linux/init.h> struct persistent_ram_buffer; struct rs_control; struct persistent_ram_ecc_info { int block_size; int ecc_size; int symsize; int poly; }; struct persistent_ram_zone { phys_addr_t paddr; size_t size; void *vaddr; struct persistent_ram_buffer *buffer; size_t buffer_size; /* ECC correction */ char *par_buffer; char *par_header; struct rs_control *rs_decoder; int corrected_bytes; int bad_blocks; struct persistent_ram_ecc_info ecc_info; char *old_log; size_t old_log_size; }; struct persistent_ram_zone *persistent_ram_new(phys_addr_t start, size_t size, u32 sig, struct persistent_ram_ecc_info *ecc_info); void persistent_ram_free(struct persistent_ram_zone *prz); void persistent_ram_zap(struct persistent_ram_zone *prz); int persistent_ram_write(struct persistent_ram_zone *prz, const void *s, unsigned int count); void persistent_ram_save_old(struct persistent_ram_zone *prz); size_t persistent_ram_old_size(struct persistent_ram_zone *prz); void *persistent_ram_old(struct persistent_ram_zone *prz); void persistent_ram_free_old(struct persistent_ram_zone *prz); ssize_t persistent_ram_ecc_string(struct persistent_ram_zone *prz, char *str, size_t len); /* * Ramoops platform data * @mem_size memory size for ramoops * @mem_address physical memory address to contain ramoops */ struct ramoops_platform_data { unsigned long mem_size; unsigned long mem_address; unsigned long record_size; unsigned long console_size; unsigned long ftrace_size; int dump_oops; struct persistent_ram_ecc_info ecc_info; }; #endif