USER MEMORY REGION FLAGS(9)

💖 NAME

User memory region flags — the little flags that go with user memory regions, from the Kernel API Manual. That's literally the whole page bestie, it's a "see also" situation, no cap.

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✨ SEE ALSO

Okay so this page is basically a jump-hub 🫶 — everything you'd wanna read next lives here. Same order, nothing dropped, promise.

🧚 The kernel bits

• Kernel file ./include/uapi/linux/nitro_enclaves.h — the actual header where all this lives, go look at the source, it's giving primary source energy 💅
• Kernel Driver Interface(9) — the driver-side overview, start here fr fr

🎀 The main NE calls

• NE_CREATE_VM(9)
• NE_ADD_VCPU(9)
• NE_GET_IMAGE_LOAD_INFO(9)
• NE_SET_USER_MEMORY_REGION(9)
• NE_START_ENCLAVE(9)

😭 NE specific error codes

• NE specific error codes(9) — the parent page for all the NE_ERR_* girlies below
• NE_ERR_VCPU_ALREADY_USED(9)
• NE_ERR_VCPU_NOT_IN_CPU_POOL(9)
• NE_ERR_VCPU_INVALID_CPU_CORE(9)
• NE_ERR_INVALID_MEM_REGION_SIZE(9)
• NE_ERR_INVALID_MEM_REGION_ADDR(9)
• NE_ERR_UNALIGNED_MEM_REGION_ADDR(9)
• NE_ERR_MEM_REGION_ALREADY_USED(9)
• NE_ERR_MEM_NOT_HUGE_PAGE(9)
• NE_ERR_MEM_DIFFERENT_NUMA_NODE(9)
• NE_ERR_MEM_MAX_REGIONS(9)
• NE_ERR_NO_MEM_REGIONS_ADDED(9)
• NE_ERR_NO_VCPUS_ADDED(9)
• NE_ERR_ENCLAVE_MEM_MIN_SIZE(9)
• NE_ERR_FULL_CORES_NOT_USED(9)
• NE_ERR_NOT_IN_INIT_STATE(9)
• NE_ERR_INVALID_VCPU(9)
• NE_ERR_NO_CPUS_AVAIL_IN_POOL(9)
• NE_ERR_INVALID_PAGE_SIZE(9)
• NE_ERR_INVALID_FLAG_VALUE(9)
• NE_ERR_INVALID_ENCLAVE_CID(9)

🦋 Image load info flags

• Image load info flags(9)
• NE_EIF_IMAGE(9)
• struct ne_image_load_info(9)

🌸 Memory region flags & structs

• NE_DEFAULT_MEMORY_REGION(9)
• struct ne_user_memory_region(9)

🔥 Enclave start info flags

• Enclave start info flags(9)
• NE_ENCLAVE_PRODUCTION_MODE(9)
• NE_ENCLAVE_DEBUG_MODE(9)
• struct ne_enclave_start_info(9)

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Okay and that's the whole page, bestie — go click through the refs, iykyk 💜

Later babe! 🌈 This one's from ./include/uapi/linux, dated October 2026 — mwah, catch you on the next page 💋💖