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author | Jonathan Maw <jonathan.maw@codethink.co.uk> | 2012-11-29 11:58:47 +0000 |
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committer | Jonathan Maw <jonathan.maw@codethink.co.uk> | 2012-11-29 11:58:47 +0000 |
commit | 0846de0e1795a30512f5575388d163ea548125de (patch) | |
tree | e1bc03fa83c61165f48ffe3f528ac5496332872a /com32/chain/partiter.h | |
parent | ede8500d7c710e4ddf650f1a1ef3ccf2a89e5313 (diff) | |
parent | 7307d60063ee4303da4de45f9d984fdc8df92146 (diff) | |
download | syslinux-baserock/genivi/morph.tar.gz |
Merge the latest changes from upstreambaserock/genivi/morph
Diffstat (limited to 'com32/chain/partiter.h')
-rw-r--r-- | com32/chain/partiter.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/com32/chain/partiter.h b/com32/chain/partiter.h new file mode 100644 index 00000000..7deeb534 --- /dev/null +++ b/com32/chain/partiter.h @@ -0,0 +1,107 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 2003-2010 H. Peter Anvin - All Rights Reserved + * Copyright 2010 Michal Soltys + * Copyright 2010 Shao Miller + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall + * be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * ----------------------------------------------------------------------- */ + +/* + * partiter.h + * + * Provides disk / partition iteration. + */ + +#ifndef _COM32_CHAIN_PARTITER_H +#define _COM32_CHAIN_PARTITER_H + +#include <stdint.h> +#include <syslinux/disk.h> + +#define PI_ERRLOAD 3 +#define PI_INSANE 2 +#define PI_DONE 1 +#define PI_OK 0 + +struct itertype; +struct part_iter; + +struct itertype { + int (*ctor)(struct part_iter *, va_list *); + void (*dtor)(struct part_iter *); + struct part_iter *(*next) (struct part_iter *); +}; + +#define PI_GPTLABSIZE ((int)sizeof(((struct disk_gpt_part_entry *)0)->name)) + +struct part_iter { + const struct itertype *type; + char *data; + char *record; + uint64_t start_lba; + uint64_t length; + int index; + int rawindex; + struct disk_info di; + int stepall; + int status; + /* internal */ + int index0; + union _sub { + struct _dos { + uint32_t disk_sig; + uint32_t nebr_lba; + uint32_t cebr_lba; + /* internal */ + uint32_t ebr_start; + uint32_t ebr_size; + uint32_t bebr_start; + uint32_t bebr_size; + int bebr_index0; + int skipcnt; + } dos; + struct _gpt { + struct guid disk_guid; + struct guid part_guid; + char part_label[PI_GPTLABSIZE/2+1]; + int pe_count; + int pe_size; + uint64_t ufirst; + uint64_t ulast; + } gpt; + } sub; +}; + +extern const struct itertype * const typedos; +extern const struct itertype * const typegpt; +extern const struct itertype * const typeraw; + +struct part_iter *pi_begin(const struct disk_info *, int stepall); +struct part_iter *pi_new(const struct itertype *, ...); +void pi_del(struct part_iter **); +int pi_next(struct part_iter **); + +#endif + +/* vim: set ts=8 sts=4 sw=4 noet: */ |