DMA에서 가장 중요한 사안은- DMA Address가 Physical Address 임- If Guest VM, Guest Physical Address struct scatterlist file: include/asm-generic/scatterlist.h#ifndef __ASM_GENERIC_SCATTERLIST_H#define __ASM_GENERIC_SCATTERLIST_H #include struct scatterlist {#ifdef CONFIG_DEBUG_SG unsigned long sg_magic;#endif unsigned long page_link; unsigned int offset; unsigned int length; dma_addr_t dma_address;#ifdef CON..