CONFIG_DMABUF_HEAPS_SYSTEM_CC_SHARED: DMA-BUF System Heap for decrypted CoCo VMs

General informations

The Linux kernel configuration item CONFIG_DMABUF_HEAPS_SYSTEM_CC_SHARED:

• prompt: DMA-BUF System Heap for decrypted CoCo VMs
• type: bool
• depends on: CONFIG_DMABUF_HEAPS && CONFIG_ARCH_HAS_MEM_ENCRYPT && CONFIG_DMABUF_HEAPS_SYSTEM = CONFIG_y
• defined in drivers/dma-buf/heaps/Kconfig
• found in Linux kernels: 7.2-rc+HEAD

Help text

Choose this option to enable the system_cc_shared dmabuf heap. This allows allocating shared (decrypted) memory for confidential computing (CoCo) VMs.

Hardware

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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