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| author | Benji Dial <Benji3.141@gmail.com> | 2020-08-11 11:33:21 -0400 |
|---|---|---|
| committer | Benji Dial <Benji3.141@gmail.com> | 2020-08-11 11:33:21 -0400 |
| commit | 63167f223e1f54910f6b80e698390ee60aec79ee (patch) | |
| tree | 41844f646bdcb5c9ba241bb5867c5e4f51737d52 /src/kernel/drive.h | |
| parent | 77d7a284c02bc6b1b3a3a92ad5d957172cee9b81 (diff) | |
| download | portland-os-63167f223e1f54910f6b80e698390ee60aec79ee.tar.gz | |
lots of progress
currently, BAR fields of IDE drives are all returning zero, and the ATA read function isn't working. i'm not sure why.
i'm going to work on VESA next, and come back to the IDE driver later
Diffstat (limited to 'src/kernel/drive.h')
| -rw-r--r-- | src/kernel/drive.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/kernel/drive.h b/src/kernel/drive.h new file mode 100644 index 0000000..8d3f3b2 --- /dev/null +++ b/src/kernel/drive.h @@ -0,0 +1,34 @@ +#ifndef DRIVE_H +#define DRIVE_H + +#include <stdint.h> + +typedef uint8_t drive_file_id_t; + +typedef uint8_t fs_id_t; +typedef uint8_t drive_id_t; + +#define MAX_DRIVES 256 + +struct drive { + char *drive_type; + char *fs_type; + + uint8_t (*read_sectors)(struct drive *d, uint32_t start, uint32_t count, void *buffer); + uint8_t (*write_sectors)(struct drive *d, uint32_t start, uint32_t count, void *buffer); + uint32_t n_sectors; + drive_id_t drive_id; + + drive_file_id_t (*get_file)(struct drive *d, char *path); + void (*free_file)(struct drive *d, drive_file_id_t fid); + void (*load_sector)(struct drive *d, drive_file_id_t fid, uint32_t sector, void *at); + uint32_t (*get_free_sectors)(struct drive *d); + fs_id_t fs_id; +}; + +extern uint8_t n_drives; +extern struct drive drives[MAX_DRIVES]; + +void commit_drive(struct drive data); + +#endif
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