DepSurf

Struct: cppc_pcc_data

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      int pcc_subspace_idx;
      bool pcc_channel_acquired;
      ktime_t deadline;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
  };
  

• In 4.13: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      int pcc_subspace_idx;
      bool pcc_channel_acquired;
      ktime_t deadline;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
  };
  

• In 4.15: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      ktime_t deadline;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In 4.18: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In 5.0: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In 5.3: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In 5.4: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In 5.8: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In 5.11: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In 5.13: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In 5.15: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In 5.19: ✅

  struct cppc_pcc_data {
      struct pcc_mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In 6.2: ✅

  struct cppc_pcc_data {
      struct pcc_mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In 6.5: ✅

  struct cppc_pcc_data {
      struct pcc_mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In 6.8: ✅

  struct cppc_pcc_data {
      struct pcc_mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

Arch

• In arm64: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In armhf: Absent ⚠️
• In ppc64el: Absent ⚠️
• In riscv64: Absent ⚠️

Flavor

• In aws: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In azure: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In gcp: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

• In lowlatency: ✅

  struct cppc_pcc_data {
      struct mbox_chan *pcc_channel;
      void *pcc_comm_addr;
      bool pcc_channel_acquired;
      unsigned int deadline_us;
      unsigned int pcc_mpar;
      unsigned int pcc_mrtt;
      unsigned int pcc_nominal;
      bool pending_pcc_write_cmd;
      bool platform_owns_pcc;
      unsigned int pcc_write_cnt;
      struct rw_semaphore pcc_lock;
      wait_queue_head_t pcc_write_wait_q;
      ktime_t last_cmd_cmpl_time;
      ktime_t last_mpar_reset;
      int mpar_count;
      int refcount;
  };
  

Differences

Regular

• No changes between 4.10 and 4.13 ✅
• Changed between 4.13 and 4.15 ⚠️

  • Field added. ktime_t last_cmd_cmpl_time
  • Field added. ktime_t last_mpar_reset
  • Field added. int mpar_count
  • Field added. int refcount
  • Field removed. int pcc_subspace_idx
• Changed between 4.15 and 4.18 ⚠️

  • Field added. unsigned int deadline_us
  • Field removed. ktime_t deadline
• 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 ✅
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• Changed between 5.15 and 5.19 ⚠️

  • Field type changed. struct mbox_chan *pcc_channel ➡️ struct pcc_mbox_chan *pcc_channel
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

Arch

• No changes between amd64 and arm64 ✅

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 ✅