diff options
Diffstat (limited to 'writeprotect.h')
| -rw-r--r-- | writeprotect.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/writeprotect.h b/writeprotect.h new file mode 100644 index 00000000..bded4c85 --- /dev/null +++ b/writeprotect.h @@ -0,0 +1,51 @@ +/* + * This file is part of the flashrom project. + * + * Copyright (C) 2010 Google Inc. + * + * 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. + * + */ + +#ifndef __WRITEPROTECT_H__ +#define __WRITEPROTECT_H__ 1 + +enum wp_mode { + WP_MODE_UNKNOWN = -1, + WP_MODE_HARDWARE, /* hardware WP pin determines status */ + WP_MODE_POWER_CYCLE, /* WP active until power off/on cycle */ + WP_MODE_PERMANENT, /* status register permanently locked, + WP permanently enabled */ +}; + +struct wp { + int (*list_ranges)(const struct flashctx *flash); + int (*set_range)(const struct flashctx *flash, + unsigned int start, unsigned int len); + int (*enable)(const struct flashctx *flash, enum wp_mode mode); + int (*disable)(const struct flashctx *flash); + int (*wp_status)(const struct flashctx *flash); +}; + +extern struct wp wp_generic; + +enum wp_mode get_wp_mode(const char *mode_str); + +/* + * Generic write-protect stuff + */ + +struct modifier_bits { + int sec; /* if 1, bp bits describe sectors */ + int tb; /* value of top/bottom select bit */ +}; + +#endif /* !__WRITEPROTECT_H__ */ |