Generic Block Devices

include/block/generic.h

struct generic_partition

struct generic_partition {
    struct generic_disk  *disk;
    uint64_t             start_lba;
    uint64_t             sector_count;
    enum fs_type         fs_type;
    void                 *fs_data;
    char                 name[16];
    bool                 mounted;
    struct vfs_node      *(*mount)(struct generic_partition *);
};

struct generic_partition referenced types:

• struct generic_disk
• enum fs_type
• struct vfs_node

struct generic_disk

struct generic_disk {
    enum disk_flags           flags;
    enum generic_disk_type    type;
    enum fs_type              fs_type;
    void                      *fs_data;
    char                      name[16];
    uint64_t                  total_sectors;
    bool                      is_removable;
    void                      *driver_data;
    uint32_t                  sector_size;
    bool                      (*read_sector)(struct generic_disk *disk, uint64_t lba, uint8_t *buffer, uint64_t sector_count);
    bool                      (*write_sector)(struct generic_disk *disk, uint64_t lba, const uint8_t *buffer, uint64_t sector_count);
    bool                      (*submit_bio_async)(struct generic_disk *disk, struct bio_request *bio);
    struct bio_scheduler_ops  *ops;
    struct bio_scheduler      *scheduler;
    struct bcache             *cache;
    uint64_t                  partition_count;
    struct generic_partition  *partitions;
};

struct generic_disk referenced types:

• enum disk_flags
• enum generic_disk_type
• enum fs_type
• struct bio_scheduler_ops
• struct bio_scheduler
• struct bcache
• struct generic_partition

enum generic_disk_type

enum generic_disk_type {
    G_IDE_DRIVE,
    G_NVME_DRIVE,
    G_AHCI_DRIVE,
    G_ATAPI_DRIVE,
};

enum disk_flags

enum disk_flags {
    DISK_FLAG_NO_REORDER = 1,
    DISK_FLAG_NO_COALESCE = 1 << 1,
    DISK_FLAG_NO_SCHED = 1 << 2,
};

get_generic_disk_str

char get_generic_disk_str(enum generic_disk_type type);

get_generic_disk_str referenced types:

• enum generic_disk_type

get_generic_disk_dev_str

char get_generic_disk_dev_str(enum generic_disk_type t);

get_generic_disk_dev_str referenced types:

• enum generic_disk_type

disk_skip_coalesce

bool disk_skip_coalesce(struct generic_disk *disk);

disk_skip_coalesce referenced types:

• struct generic_disk

disk_skip_sched

bool disk_skip_sched(struct generic_disk *disk);

disk_skip_sched referenced types:

• struct generic_disk

disk_skip_reorder

bool disk_skip_reorder(struct generic_disk *disk);

disk_skip_reorder referenced types:

• struct generic_disk