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*参照元 [#e399445b] #backlinks *説明 [#wc0ba2b7] -パス: [[linux-4.4.1/include/linux/dmaengine.h]] -FIXME: これは何？ --説明 **参考 [#pd1c5a42] *実装 [#f80bc2e5] /** * struct dma_chan - devices supply DMA channels, clients use them * @device: ptr to the dma device who supplies this channel, always !%NULL * @cookie: last cookie value returned to client * @completed_cookie: last completed cookie for this channel * @chan_id: channel ID for sysfs * @dev: class device for sysfs * @device_node: used to add this to the device chan list * @local: per-cpu pointer to a struct dma_chan_percpu * @client_count: how many clients are using this channel * @table_count: number of appearances in the mem-to-mem allocation table * @router: pointer to the DMA router structure * @route_data: channel specific data for the router * @private: private data for certain client-channel associations */ struct dma_chan { struct dma_device *device; dma_cookie_t cookie; dma_cookie_t completed_cookie; - --[[linux-4.4.1/dma_device]] --[[linux-4.4.1/dma_cookie_t]] /* sysfs */ int chan_id; struct dma_chan_dev *dev; - --[[linux-4.4.1/dma_chan_dev]] struct list_head device_node; struct dma_chan_percpu __percpu *local; int client_count; int table_count; - --[[linux-4.4.1/list_head]] --[[linux-4.4.1/dma_chan_percpu]] /* DMA router */ struct dma_router *router; void *route_data; - --[[linux-4.4.1/dma_router]] void *private; }; *コメント [#s0647830]
