diff options
| -rw-r--r-- | kernel/fs/fs.c | 20 | ||||
| -rw-r--r-- | kernel/include/comus/fs.h | 22 |
2 files changed, 42 insertions, 0 deletions
diff --git a/kernel/fs/fs.c b/kernel/fs/fs.c index 763907f..7a8c93e 100644 --- a/kernel/fs/fs.c +++ b/kernel/fs/fs.c @@ -57,3 +57,23 @@ struct file *fs_find_file_rel(struct file *rel, char *rel_path) panic("fs_find_file_rel NOT YET IMPLEMENTED"); } + +int disk_read(struct disk *disk, size_t offset, size_t len, uint8_t *buffer) +{ + (void) disk; + (void) offset; + (void) len; + (void) buffer; + + panic("disk_read NOT YET IMPLEMENTED"); +} + +int disk_write(struct disk *disk, size_t offset, size_t len, uint8_t *buffer) +{ + (void) disk; + (void) offset; + (void) len; + (void) buffer; + + panic("disk_write NOT YET IMPLEMENTED"); +} diff --git a/kernel/include/comus/fs.h b/kernel/include/comus/fs.h index 51550be..5a3ffd1 100644 --- a/kernel/include/comus/fs.h +++ b/kernel/include/comus/fs.h @@ -28,6 +28,28 @@ struct disk { /// we then need drivers for ide and/or sata, ide is easier }; +/** + * read data from a disk into a buffer + * + * @param disk - the disk to read from + * @param offset - the offset into the disk to read + * @param len - the length of the data to read into `buffer` + * @param buffer - the buffer to save data into + * @returns bytes read on success, negative fs error code in failure + */ +int disk_read(struct disk *disk, size_t offset, size_t len, uint8_t *buffer); + +/** + * write data from a disk into a buffer + * + * @param disk - the disk to write from + * @param offset - the offset into the disk to write + * @param len - the length of the data to write into `buffer` + * @param buffer - the buffer to read from + * @returns bytes written on success, negative fs error code in failure + */ +int disk_write(struct disk *disk, size_t offset, size_t len, uint8_t *buffer); + enum file_type { // regular file F_REG = 0, |