nvme_cmbsz(2)

libnvme(9) API Manual libnvme(9)

NAME

enum nvme_cmbsz - This field indicates the controller memory buffer size

SYNOPSIS

enum nvme_cmbsz {
NVME_CMBSZ_SQS_SHIFT ,
NVME_CMBSZ_CQS_SHIFT ,
NVME_CMBSZ_LISTS_SHIFT ,
NVME_CMBSZ_RDS_SHIFT ,
NVME_CMBSZ_WDS_SHIFT ,
NVME_CMBSZ_SZU_SHIFT ,
NVME_CMBSZ_SZ_SHIFT ,
NVME_CMBSZ_SQS_MASK ,
NVME_CMBSZ_CQS_MASK ,
NVME_CMBSZ_LISTS_MASK ,
NVME_CMBSZ_RDS_MASK ,
NVME_CMBSZ_WDS_MASK ,
NVME_CMBSZ_SZU_MASK ,
NVME_CMBSZ_SZ_MASK ,
NVME_CMBSZ_SZU_4K ,
NVME_CMBSZ_SZU_64K ,
NVME_CMBSZ_SZU_1M ,
NVME_CMBSZ_SZU_16M ,
NVME_CMBSZ_SZU_256M ,
NVME_CMBSZ_SZU_4G ,
NVME_CMBSZ_SZU_64G

};

Constants

NVME_CMBSZ_SQS_SHIFT
Shift amount to get the submission queue support
NVME_CMBSZ_CQS_SHIFT
Shift amount to get the completion queue support
NVME_CMBSZ_LISTS_SHIFT
Shift amount to get the PLP SGL list support
NVME_CMBSZ_RDS_SHIFT
Shift amount to get the read data support
NVME_CMBSZ_WDS_SHIFT
Shift amount to get the write data support
NVME_CMBSZ_SZU_SHIFT
Shift amount to get the size units
NVME_CMBSZ_SZ_SHIFT
Shift amount to get the size
NVME_CMBSZ_SQS_MASK
Mask to get the submission queue support
NVME_CMBSZ_CQS_MASK
Mask to get the completion queue support
NVME_CMBSZ_LISTS_MASK
Mask to get the PLP SGL list support
NVME_CMBSZ_RDS_MASK
Mask to get the read data support
NVME_CMBSZ_WDS_MASK
Mask to get the write data support
NVME_CMBSZ_SZU_MASK
Mask to get the size units
NVME_CMBSZ_SZ_MASK
Mask to get the size
NVME_CMBSZ_SZU_4K
4 KiB
NVME_CMBSZ_SZU_64K
64 KiB
NVME_CMBSZ_SZU_1M
1 MiB
NVME_CMBSZ_SZU_16M
16 MiB
NVME_CMBSZ_SZU_256M
256 MiB
NVME_CMBSZ_SZU_4G
4 GiB
NVME_CMBSZ_SZU_64G
64 GiB
enum nvme_cmbsz October 2025