website-struct

Struct: tty_port

Status

Regular

• In 4.4: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
  };
  

• In 4.8: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
  };
  

• In 4.10: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
  };
  

• In 4.13: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In 4.15: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In 4.18: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In 5.0: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In 5.3: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In 5.4: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In 5.8: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In 5.11: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In 5.13: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In 5.15: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In 5.19: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      struct (anon) xmit_fifo;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In 6.2: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      struct (anon) xmit_fifo;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In 6.5: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      struct (anon) xmit_fifo;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In 6.8: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      struct mutex mutex;
      struct mutex buf_mutex;
      u8 *xmit_buf;
      struct (anon) xmit_fifo;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

Arch

• In arm64: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In armhf: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In ppc64el: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In riscv64: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

Flavor

• In aws: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In azure: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In gcp: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

• In lowlatency: ✅

  struct tty_port {
      struct tty_bufhead buf;
      struct tty_struct *tty;
      struct tty_struct *itty;
      const struct tty_port_operations *ops;
      const struct tty_port_client_operations *client_ops;
      spinlock_t lock;
      int blocked_open;
      int count;
      wait_queue_head_t open_wait;
      wait_queue_head_t delta_msr_wait;
      long unsigned int flags;
      long unsigned int iflags;
      unsigned char console;
      unsigned char low_latency;
      struct mutex mutex;
      struct mutex buf_mutex;
      unsigned char *xmit_buf;
      unsigned int close_delay;
      unsigned int closing_wait;
      int drain_delay;
      struct kref kref;
      void *client_data;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. long unsigned int iflags
• No changes between 4.8 and 4.10 ✅
• Changed between 4.10 and 4.13 ⚠️

  • Field added. const struct tty_port_client_operations *client_ops
  • Field added. void *client_data
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• Changed between 5.11 and 5.13 ⚠️

  • Field removed. unsigned char low_latency
• No changes between 5.13 and 5.15 ✅
• Changed between 5.15 and 5.19 ⚠️

  • Field added. struct (anon) xmit_fifo
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• Changed between 6.5 and 6.8 ⚠️

  • Field type changed. unsigned char *xmit_buf ➡️ u8 *xmit_buf

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅