Man page - nvme_cmb_size(2)

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nvme_cmb_size(2) libnvme API manual nvme_cmb_size(2)

nvme_cmb_size - Calculate size of the controller memory buffer

__u64 nvme_cmb_size (__u32 cmbsz );

Value from controller register NVME_REG_CMBSZ

size of controller memory buffer in bytes

nvme_cmb_size May 2025