Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'
[platform/kernel/u-boot.git] / include / part.h
1 /*
2  * (C) Copyright 2000-2004
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 #ifndef _PART_H
24 #define _PART_H
25
26 #include <ide.h>
27
28 typedef struct block_dev_desc {
29         int             if_type;        /* type of the interface */
30         int             dev;            /* device number */
31         unsigned char   part_type;      /* partition type */
32         unsigned char   target;         /* target SCSI ID */
33         unsigned char   lun;            /* target LUN */
34         unsigned char   type;           /* device type */
35         unsigned char   removable;      /* removable device */
36 #ifdef CONFIG_LBA48
37         unsigned char   lba48;          /* device can use 48bit addr (ATA/ATAPI v7) */
38 #endif
39         lbaint_t        lba;            /* number of blocks */
40         unsigned long   blksz;          /* block size */
41         char            vendor [40+1];  /* IDE model, SCSI Vendor */
42         char            product[20+1];  /* IDE Serial no, SCSI product */
43         char            revision[8+1];  /* firmware revision */
44         unsigned long   (*block_read)(int dev,
45                                       unsigned long start,
46                                       lbaint_t blkcnt,
47                                       void *buffer);
48         unsigned long   (*block_write)(int dev,
49                                        unsigned long start,
50                                        lbaint_t blkcnt,
51                                        const void *buffer);
52         unsigned long   (*block_erase)(int dev,
53                                        unsigned long start,
54                                        lbaint_t blkcnt);
55         void            *priv;          /* driver private struct pointer */
56 }block_dev_desc_t;
57
58 /* Interface types: */
59 #define IF_TYPE_UNKNOWN         0
60 #define IF_TYPE_IDE             1
61 #define IF_TYPE_SCSI            2
62 #define IF_TYPE_ATAPI           3
63 #define IF_TYPE_USB             4
64 #define IF_TYPE_DOC             5
65 #define IF_TYPE_MMC             6
66 #define IF_TYPE_SD              7
67 #define IF_TYPE_SATA            8
68
69 /* Part types */
70 #define PART_TYPE_UNKNOWN       0x00
71 #define PART_TYPE_MAC           0x01
72 #define PART_TYPE_DOS           0x02
73 #define PART_TYPE_ISO           0x03
74 #define PART_TYPE_AMIGA         0x04
75 #define PART_TYPE_EFI           0x05
76
77 /*
78  * Type string for U-Boot bootable partitions
79  */
80 #define BOOT_PART_TYPE  "U-Boot"        /* primary boot partition type  */
81 #define BOOT_PART_COMP  "PPCBoot"       /* PPCBoot compatibility type   */
82
83 /* device types */
84 #define DEV_TYPE_UNKNOWN        0xff    /* not connected */
85 #define DEV_TYPE_HARDDISK       0x00    /* harddisk */
86 #define DEV_TYPE_TAPE           0x01    /* Tape */
87 #define DEV_TYPE_CDROM          0x05    /* CD-ROM */
88 #define DEV_TYPE_OPDISK         0x07    /* optical disk */
89
90 typedef struct disk_partition {
91         ulong   start;          /* # of first block in partition        */
92         ulong   size;           /* number of blocks in partition        */
93         ulong   blksz;          /* block size in bytes                  */
94         uchar   name[32];       /* partition name                       */
95         uchar   type[32];       /* string type description              */
96         int     bootable;       /* Active/Bootable flag is set          */
97 #ifdef CONFIG_PARTITION_UUIDS
98         char    uuid[37];       /* filesystem UUID as string, if exists */
99 #endif
100 } disk_partition_t;
101
102 /* Misc _get_dev functions */
103 #ifdef CONFIG_PARTITIONS
104 block_dev_desc_t *get_dev(const char *ifname, int dev);
105 block_dev_desc_t* ide_get_dev(int dev);
106 block_dev_desc_t* sata_get_dev(int dev);
107 block_dev_desc_t* scsi_get_dev(int dev);
108 block_dev_desc_t* usb_stor_get_dev(int dev);
109 block_dev_desc_t* mmc_get_dev(int dev);
110 block_dev_desc_t* systemace_get_dev(int dev);
111 block_dev_desc_t* mg_disk_get_dev(int dev);
112
113 /* disk/part.c */
114 int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
115 void print_part (block_dev_desc_t *dev_desc);
116 void  init_part (block_dev_desc_t *dev_desc);
117 void dev_print(block_dev_desc_t *dev_desc);
118 int get_device(const char *ifname, const char *dev_str,
119                block_dev_desc_t **dev_desc);
120 int get_device_and_partition(const char *ifname, const char *dev_part_str,
121                              block_dev_desc_t **dev_desc,
122                              disk_partition_t *info, int allow_whole_dev);
123 #else
124 static inline block_dev_desc_t *get_dev(const char *ifname, int dev)
125 { return NULL; }
126 static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; }
127 static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; }
128 static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; }
129 static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; }
130 static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; }
131 static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; }
132 static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; }
133
134 static inline int get_partition_info (block_dev_desc_t * dev_desc, int part,
135         disk_partition_t *info) { return -1; }
136 static inline void print_part (block_dev_desc_t *dev_desc) {}
137 static inline void  init_part (block_dev_desc_t *dev_desc) {}
138 static inline void dev_print(block_dev_desc_t *dev_desc) {}
139 static inline int get_device(const char *ifname, const char *dev_str,
140                block_dev_desc_t **dev_desc)
141 { return -1; }
142 static inline int get_device_and_partition(const char *ifname,
143                                            const char *dev_part_str,
144                                            block_dev_desc_t **dev_desc,
145                                            disk_partition_t *info,
146                                            int allow_whole_dev)
147 { *dev_desc = NULL; return -1; }
148 #endif
149
150 #ifdef CONFIG_MAC_PARTITION
151 /* disk/part_mac.c */
152 int get_partition_info_mac (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
153 void print_part_mac (block_dev_desc_t *dev_desc);
154 int   test_part_mac (block_dev_desc_t *dev_desc);
155 #endif
156
157 #ifdef CONFIG_DOS_PARTITION
158 /* disk/part_dos.c */
159 int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
160 void print_part_dos (block_dev_desc_t *dev_desc);
161 int   test_part_dos (block_dev_desc_t *dev_desc);
162 #endif
163
164 #ifdef CONFIG_ISO_PARTITION
165 /* disk/part_iso.c */
166 int get_partition_info_iso (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
167 void print_part_iso (block_dev_desc_t *dev_desc);
168 int   test_part_iso (block_dev_desc_t *dev_desc);
169 #endif
170
171 #ifdef CONFIG_AMIGA_PARTITION
172 /* disk/part_amiga.c */
173 int get_partition_info_amiga (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
174 void print_part_amiga (block_dev_desc_t *dev_desc);
175 int   test_part_amiga (block_dev_desc_t *dev_desc);
176 #endif
177
178 #ifdef CONFIG_EFI_PARTITION
179 #include <part_efi.h>
180 /* disk/part_efi.c */
181 int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
182 void print_part_efi (block_dev_desc_t *dev_desc);
183 int   test_part_efi (block_dev_desc_t *dev_desc);
184
185 /**
186  * write_gpt_table() - Write the GUID Partition Table to disk
187  *
188  * @param dev_desc - block device descriptor
189  * @param gpt_h - pointer to GPT header representation
190  * @param gpt_e - pointer to GPT partition table entries
191  *
192  * @return - zero on success, otherwise error
193  */
194 int write_gpt_table(block_dev_desc_t *dev_desc,
195                   gpt_header *gpt_h, gpt_entry *gpt_e);
196
197 /**
198  * gpt_fill_pte(): Fill the GPT partition table entry
199  *
200  * @param gpt_h - GPT header representation
201  * @param gpt_e - GPT partition table entries
202  * @param partitions - list of partitions
203  * @param parts - number of partitions
204  *
205  * @return zero on success
206  */
207 int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
208                 disk_partition_t *partitions, int parts);
209
210 /**
211  * gpt_fill_header(): Fill the GPT header
212  *
213  * @param dev_desc - block device descriptor
214  * @param gpt_h - GPT header representation
215  * @param str_guid - disk guid string representation
216  * @param parts_count - number of partitions
217  *
218  * @return - error on str_guid conversion error
219  */
220 int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h,
221                 char *str_guid, int parts_count);
222
223 /**
224  * gpt_restore(): Restore GPT partition table
225  *
226  * @param dev_desc - block device descriptor
227  * @param str_disk_guid - disk GUID
228  * @param partitions - list of partitions
229  * @param parts - number of partitions
230  *
231  * @return zero on success
232  */
233 int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid,
234                 disk_partition_t *partitions, const int parts_count);
235 #endif
236
237 #endif /* _PART_H */