Device full memory access through standard PCI express bus

A host device comprising:

• a processor, the processor configured to:
• reserve a memory-mapping control block in a host memory space;
• reserve a data-access memory block in the host memory space;
• and
• map the data-access memory block to a memory block in a memory on a peripheral device, an address of the memory block in the memory of the peripheral device corresponding to a value written to the memory-mapping control block.

A non-transitory computer-readable storage medium comprising machine-readable instructions stored thereon, the instructions, when executed by one or more processors, causing the one or more processors to:

• map a memory-mapping control block in a host memory space of a host to a control register on a peripheral device such that a value in the control register corresponds to a value written to the memory-mapping control block;
• map a data-access memory block in the host memory space to a first memory block in a memory of the peripheral device, wherein an address of the first memory block in the memory of the peripheral device is determined based on the value in the control register;
• and
• modify the value in the control register to map the data-access memory block in the host memory space to a second memory block in the memory of the peripheral device, wherein an address of the second memory block in the memory of the peripheral device is determined based on the modified value in the control register.