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92 lines
2.5 KiB
92 lines
2.5 KiB
/* |
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* Copyright (C) 2010 Marco Stornelli <[email protected]> |
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* Copyright (C) 2011 Kees Cook <[email protected]> |
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* Copyright (C) 2011 Google, Inc. |
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* |
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* This software is licensed under the terms of the GNU General Public |
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* License version 2, as published by the Free Software Foundation, and |
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* may be copied, distributed, and modified under those terms. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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*/ |
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#ifndef __LINUX_PSTORE_RAM_H__ |
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#define __LINUX_PSTORE_RAM_H__ |
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#include <linux/compiler.h> |
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#include <linux/device.h> |
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#include <linux/init.h> |
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#include <linux/kernel.h> |
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#include <linux/list.h> |
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#include <linux/types.h> |
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struct persistent_ram_buffer; |
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struct rs_control; |
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struct persistent_ram_ecc_info { |
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int block_size; |
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int ecc_size; |
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int symsize; |
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int poly; |
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}; |
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struct persistent_ram_zone { |
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phys_addr_t paddr; |
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size_t size; |
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void *vaddr; |
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struct persistent_ram_buffer *buffer; |
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size_t buffer_size; |
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/* ECC correction */ |
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char *par_buffer; |
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char *par_header; |
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struct rs_control *rs_decoder; |
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int corrected_bytes; |
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int bad_blocks; |
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struct persistent_ram_ecc_info ecc_info; |
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char *old_log; |
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size_t old_log_size; |
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}; |
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struct persistent_ram_zone *persistent_ram_new(phys_addr_t start, size_t size, |
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u32 sig, struct persistent_ram_ecc_info *ecc_info, |
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unsigned int memtype); |
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void persistent_ram_free(struct persistent_ram_zone *prz); |
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void persistent_ram_zap(struct persistent_ram_zone *prz); |
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int persistent_ram_write(struct persistent_ram_zone *prz, const void *s, |
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unsigned int count); |
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int persistent_ram_write_user(struct persistent_ram_zone *prz, |
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const void __user *s, unsigned int count); |
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void persistent_ram_save_old(struct persistent_ram_zone *prz); |
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size_t persistent_ram_old_size(struct persistent_ram_zone *prz); |
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void *persistent_ram_old(struct persistent_ram_zone *prz); |
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void persistent_ram_free_old(struct persistent_ram_zone *prz); |
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ssize_t persistent_ram_ecc_string(struct persistent_ram_zone *prz, |
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char *str, size_t len); |
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/* |
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* Ramoops platform data |
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* @mem_size memory size for ramoops |
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* @mem_address physical memory address to contain ramoops |
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*/ |
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struct ramoops_platform_data { |
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unsigned long mem_size; |
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phys_addr_t mem_address; |
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unsigned int mem_type; |
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unsigned long record_size; |
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unsigned long console_size; |
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unsigned long ftrace_size; |
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unsigned long pmsg_size; |
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int dump_oops; |
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struct persistent_ram_ecc_info ecc_info; |
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}; |
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#endif
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