Module devices::virtio::block::asynchronous

Structs

• BlockAsync
  Virtio device for exposing block level read/write operations on a host file.
• DiskState 🔒
  Tracks the state of an anynchronous disk.
• WorkerSharedState 🔒
  Disk state which can be modified by other worker threads

Enums

• ControlError 🔒
  Errors that happen in block outside of executing a request. This includes errors during resize and flush operations.
• ExecuteError 🔒
• LogLevel 🔒
• WorkerCmd 🔒

Constants

• DEFAULT_NUM_QUEUES 🔒
• DEFAULT_QUEUE_SIZE 🔒
• DISCARD_SECTOR_ALIGNMENT 🔒
• ID_LEN 🔒
  Maximum length of the virtio-block ID string field.
• MAX_DISCARD_SECTORS 🔒
• MAX_DISCARD_SEG 🔒
• MAX_WRITE_ZEROES_SECTORS 🔒
• MAX_WRITE_ZEROES_SEG 🔒
• SECTOR_SHIFT 🔒
• SECTOR_SIZE 🔒

Functions

• flush_disk 🔒
  Periodically flushes the disk when the given timer fires.
• handle_command_tube 🔒
• handle_queue 🔒
• process_one_chain 🔒
  Process one descriptor chain asynchronously.
• process_one_request 🔒
• resize 🔒
• run_worker 🔒

Type Aliases

• BlockId 🔒
  Virtio block device identifier. This is an ASCII string terminated by a \0, unless all 20 bytes are used, in which case the \0 terminator is omitted.