| 摘要 |
Provided are a DMA transmission method and system. The DMA transmission method is a method for transmitting data between an information processing device and a storage device. The storage device comprises a buffer memory and a flash memory chip. The method comprises: receiving a first write request, the first write request comprising data to be written in and an address used for the flash memory chip of the storage device; distributing a first storage unit for the first write request in the information processing device; sending a first write command to the storage device, the first write command comprising data, the address used for the flash memory chip of the storage device and an address used for the buffer memory, and the address used for the buffer memory corresponding to the first storage unit; receiving a message from the storage device, the message indicating that the storage device finishes executing the write command; and releasing the first storage unit. |
