| config DMABUF_HEAPS_SYSTEM | |
| tristate "DMA-BUF System Heap" | |
| depends on DMABUF_HEAPS | |
| help | |
| Choose this option to enable the system dmabuf heap. The system heap | |
| is backed by pages from the buddy allocator. If in doubt, say Y. | |
| config DMABUF_HEAPS_SYSTEM_CC_SHARED | |
| bool "DMA-BUF System Heap for decrypted CoCo VMs" | |
| depends on DMABUF_HEAPS && ARCH_HAS_MEM_ENCRYPT && DMABUF_HEAPS_SYSTEM=y | |
| help | |
| Choose this option to enable the system_cc_shared dmabuf heap. This | |
| allows allocating shared (decrypted) memory for confidential computing | |
| (CoCo) VMs. | |
| config DMABUF_HEAPS_CMA | |
| tristate "DMA-BUF CMA Heap" | |
| depends on DMABUF_HEAPS && DMA_CMA | |
| help | |
| Choose this option to enable dma-buf CMA heap. This heap is backed | |
| by the Contiguous Memory Allocator (CMA). If your system has these | |
| regions, you should say Y here. |