linux-4.4/DMA_buffer の履歴(No.2)

• 履歴一覧
• 差分 を表示
• 現在との差分 を表示
• ソース を表示
• linux-4.4/DMA_buffer へ行く。
  • 1 (2016-02-25 (木) 11:10:56)
  • 2 (2016-02-25 (木) 11:25:49)
  • 3 (2016-02-25 (木) 18:17:34)
  • 4 (2016-02-26 (金) 11:50:41)
  • 5 (2016-02-26 (金) 18:00:35)
  • 6 (2016-03-02 (水) 09:37:49)
  • 7 (2016-03-15 (火) 10:39:27)
  • 8 (2016-03-15 (火) 16:37:05)

参照元†

• FrontPage

説明†

FIXME: なにをするもの？

• とぴっく
  • 解説

主要な API

• • linux-4.4.1/dma_buf_export()
  • linux-4.4.1/dma_buf_export_info
    • linux-4.4.1/dma_buf_ops
• DMA Buffer を fd にする。
  • linux-4.4.1/dma_buf_fd()
• fd を DMA Buffer にする。
  • linux-4.4.1/dma_buf_get()
  • linux-4.4.1/dma_buf_attach()
  • linux-4.4.1/dma_buf_attachment
  • linux-4.4.1/dma_buf_map_attachment()
  • linux-4.4.1/dma_buf_unmap_attachment()
  • linux-4.4.1/dma_buf_detach()

使い方の例

（調査中）

参考†

$ egrep -r '^EXPORT_SYMBOL' drivers/dma-buf/
drivers/dma-buf/seqno-fence.c:EXPORT_SYMBOL(seqno_fence_ops);
drivers/dma-buf/fence.c:EXPORT_SYMBOL(fence_context_alloc);
drivers/dma-buf/fence.c:EXPORT_SYMBOL(fence_signal_locked);
drivers/dma-buf/fence.c:EXPORT_SYMBOL(fence_signal);
drivers/dma-buf/fence.c:EXPORT_SYMBOL(fence_wait_timeout);
drivers/dma-buf/fence.c:EXPORT_SYMBOL(fence_release);
drivers/dma-buf/fence.c:EXPORT_SYMBOL(fence_free);
drivers/dma-buf/fence.c:EXPORT_SYMBOL(fence_enable_sw_signaling);
drivers/dma-buf/fence.c:EXPORT_SYMBOL(fence_add_callback);
drivers/dma-buf/fence.c:EXPORT_SYMBOL(fence_remove_callback);
drivers/dma-buf/fence.c:EXPORT_SYMBOL(fence_default_wait);
drivers/dma-buf/fence.c:EXPORT_SYMBOL(fence_wait_any_timeout);
drivers/dma-buf/fence.c:EXPORT_SYMBOL(fence_init);
drivers/dma-buf/reservation.c:EXPORT_SYMBOL(reservation_ww_class);
drivers/dma-buf/reservation.c:EXPORT_SYMBOL(reservation_seqcount_class);
drivers/dma-buf/reservation.c:EXPORT_SYMBOL(reservation_seqcount_string);
drivers/dma-buf/reservation.c:EXPORT_SYMBOL(reservation_object_reserve_shared);
drivers/dma-buf/reservation.c:EXPORT_SYMBOL(reservation_object_add_shared_fence);
drivers/dma-buf/reservation.c:EXPORT_SYMBOL(reservation_object_add_excl_fence);
drivers/dma-buf/reservation.c:EXPORT_SYMBOL_GPL(reservation_object_get_fences_rcu);
drivers/dma-buf/reservation.c:EXPORT_SYMBOL_GPL(reservation_object_wait_timeout_rcu);
drivers/dma-buf/reservation.c:EXPORT_SYMBOL_GPL(reservation_object_test_signaled_rcu);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_export);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_fd);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_get);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_put);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_attach);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_detach);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_map_attachment);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_unmap_attachment);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_begin_cpu_access);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_end_cpu_access);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_kmap_atomic);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_kunmap_atomic);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_kmap);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_kunmap);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_mmap);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_vmap);
drivers/dma-buf/dma-buf.c:EXPORT_SYMBOL_GPL(dma_buf_vunmap);

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