ext2: Cache line aligned partial sector bounce buffer
[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 } disk_partition_t;
97
98 /* Misc _get_dev functions */
99 #ifdef CONFIG_PARTITIONS
100 block_dev_desc_t* get_dev(char* ifname, int dev);
101 block_dev_desc_t* ide_get_dev(int dev);
102 block_dev_desc_t* sata_get_dev(int dev);
103 block_dev_desc_t* scsi_get_dev(int dev);
104 block_dev_desc_t* usb_stor_get_dev(int dev);
105 block_dev_desc_t* mmc_get_dev(int dev);
106 block_dev_desc_t* systemace_get_dev(int dev);
107 block_dev_desc_t* mg_disk_get_dev(int dev);
108
109 /* disk/part.c */
110 int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
111 void print_part (block_dev_desc_t *dev_desc);
112 void  init_part (block_dev_desc_t *dev_desc);
113 void dev_print(block_dev_desc_t *dev_desc);
114 #else
115 static inline block_dev_desc_t* get_dev(char* ifname, int dev) { return NULL; }
116 static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; }
117 static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; }
118 static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; }
119 static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; }
120 static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; }
121 static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; }
122 static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; }
123
124 static inline int get_partition_info (block_dev_desc_t * dev_desc, int part,
125         disk_partition_t *info) { return -1; }
126 static inline void print_part (block_dev_desc_t *dev_desc) {}
127 static inline void  init_part (block_dev_desc_t *dev_desc) {}
128 static inline void dev_print(block_dev_desc_t *dev_desc) {}
129 #endif
130
131 #ifdef CONFIG_MAC_PARTITION
132 /* disk/part_mac.c */
133 int get_partition_info_mac (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
134 void print_part_mac (block_dev_desc_t *dev_desc);
135 int   test_part_mac (block_dev_desc_t *dev_desc);
136 #endif
137
138 #ifdef CONFIG_DOS_PARTITION
139 /* disk/part_dos.c */
140 int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
141 void print_part_dos (block_dev_desc_t *dev_desc);
142 int   test_part_dos (block_dev_desc_t *dev_desc);
143 #endif
144
145 #ifdef CONFIG_ISO_PARTITION
146 /* disk/part_iso.c */
147 int get_partition_info_iso (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
148 void print_part_iso (block_dev_desc_t *dev_desc);
149 int   test_part_iso (block_dev_desc_t *dev_desc);
150 #endif
151
152 #ifdef CONFIG_AMIGA_PARTITION
153 /* disk/part_amiga.c */
154 int get_partition_info_amiga (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
155 void print_part_amiga (block_dev_desc_t *dev_desc);
156 int   test_part_amiga (block_dev_desc_t *dev_desc);
157 #endif
158
159 #ifdef CONFIG_EFI_PARTITION
160 /* disk/part_efi.c */
161 int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
162 void print_part_efi (block_dev_desc_t *dev_desc);
163 int   test_part_efi (block_dev_desc_t *dev_desc);
164 #endif
165
166 #endif /* _PART_H */