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+.TH "nvme_cmb_size" 9 "nvme_cmb_size" "April 2022" "libnvme API manual" LINUX
+.SH NAME
+nvme_cmb_size \- Calculate size of the controller memory buffer
+.SH SYNOPSIS
+.B "__u64" nvme_cmb_size
+.BI "(__u32 cmbsz " ");"
+.SH ARGUMENTS
+.IP "cmbsz" 12
+Value from controller register NVME_REG_CMBSZ
+.SH "DESCRIPTION"
+Returns size of controller memory buffer in bytes