projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| cddb8751 AV |
1 | /* |
| 2 | * Copyright (C) 2010 Marco Stornelli <marco.stornelli@gmail.com> | |
| 3 | * Copyright (C) 2011 Kees Cook <keescook@chromium.org> | |
| 4 | * Copyright (C) 2011 Google, Inc. | |
| 5 | * | |
| 6 | * This software is licensed under the terms of the GNU General Public | |
| 7 | * License version 2, as published by the Free Software Foundation, and | |
| 8 | * may be copied, distributed, and modified under those terms. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 14 | * | |
| 15 | */ | |
| 16 | ||
| 1894a253 AV |
17 | #ifndef __LINUX_PSTORE_RAM_H__ |
| 18 | #define __LINUX_PSTORE_RAM_H__ | |
| c3b92ce9 | 19 | |
| cddb8751 AV |
20 | #include <linux/device.h> |
| 21 | #include <linux/kernel.h> | |
| 22 | #include <linux/list.h> | |
| 23 | #include <linux/types.h> | |
| 24 | #include <linux/init.h> | |
| 25 | ||
| 26 | struct persistent_ram_buffer; | |
| 67a101f5 | 27 | struct rs_control; |
| cddb8751 | 28 | |
| cddb8751 AV |
29 | struct persistent_ram_zone { |
| 30 | phys_addr_t paddr; | |
| 31 | size_t size; | |
| 32 | void *vaddr; | |
| 33 | struct persistent_ram_buffer *buffer; | |
| 34 | size_t buffer_size; | |
| 35 | ||
| 36 | /* ECC correction */ | |
| cddb8751 AV |
37 | char *par_buffer; |
| 38 | char *par_header; | |
| 39 | struct rs_control *rs_decoder; | |
| 40 | int corrected_bytes; | |
| 41 | int bad_blocks; | |
| 42 | int ecc_block_size; | |
| 43 | int ecc_size; | |
| cddb8751 AV |
44 | |
| 45 | char *old_log; | |
| 46 | size_t old_log_size; | |
| 47 | }; | |
| 48 | ||
| 924d3711 | 49 | struct persistent_ram_zone * __devinit persistent_ram_new(phys_addr_t start, |
| cbe7cbf5 | 50 | size_t size, u32 sig, |
| 5ca5d4e6 | 51 | int ecc_size); |
| cddb8751 | 52 | void persistent_ram_free(struct persistent_ram_zone *prz); |
| fce39793 | 53 | void persistent_ram_zap(struct persistent_ram_zone *prz); |
| cddb8751 AV |
54 | |
| 55 | int persistent_ram_write(struct persistent_ram_zone *prz, const void *s, | |
| 56 | unsigned int count); | |
| 57 | ||
| 201e4aca | 58 | void persistent_ram_save_old(struct persistent_ram_zone *prz); |
| cddb8751 AV |
59 | size_t persistent_ram_old_size(struct persistent_ram_zone *prz); |
| 60 | void *persistent_ram_old(struct persistent_ram_zone *prz); | |
| 61 | void persistent_ram_free_old(struct persistent_ram_zone *prz); | |
| 62 | ssize_t persistent_ram_ecc_string(struct persistent_ram_zone *prz, | |
| 63 | char *str, size_t len); | |
| 64 | ||
| c3b92ce9 KP |
65 | /* |
| 66 | * Ramoops platform data | |
| 67 | * @mem_size memory size for ramoops | |
| 68 | * @mem_address physical memory address to contain ramoops | |
| 69 | */ | |
| 70 | ||
| 71 | struct ramoops_platform_data { | |
| 72 | unsigned long mem_size; | |
| 73 | unsigned long mem_address; | |
| 3e5c4fad | 74 | unsigned long record_size; |
| b5d38e9b | 75 | unsigned long console_size; |
| a694d1b5 | 76 | unsigned long ftrace_size; |
| 6b4d2a27 | 77 | int dump_oops; |
| 5ca5d4e6 | 78 | int ecc_size; |
| c3b92ce9 KP |
79 | }; |
| 80 | ||
| 81 | #endif |