NAME

       enum nvme_pmrcap - This field indicates the persistent memory region capabilities

SYNOPSIS

       enum nvme_pmrcap {
           NVME_PMRCAP_RDS_SHIFT ,
           NVME_PMRCAP_WDS_SHIFT ,
           NVME_PMRCAP_BIR_SHIFT ,
           NVME_PMRCAP_PMRTU_SHIFT ,
           NVME_PMRCAP_PMRWBM_SHIFT ,
           NVME_PMRCAP_PMRTO_SHIFT ,
           NVME_PMRCAP_CMSS_SHIFT ,
           NVME_PMRCAP_PMRWMB_SHIFT ,
           NVME_PMRCAP_RDS_MASK ,
           NVME_PMRCAP_WDS_MASK ,
           NVME_PMRCAP_BIR_MASK ,
           NVME_PMRCAP_PMRTU_MASK ,
           NVME_PMRCAP_PMRWBM_MASK ,
           NVME_PMRCAP_PMRTO_MASK ,
           NVME_PMRCAP_CMSS_MASK ,
           NVME_PMRCAP_PMRWMB_MASK ,
           NVME_PMRCAP_PMRTU_500MS ,
           NVME_PMRCAP_PMRTU_60S

       };

Constants

       NVME_PMRCAP_RDS_SHIFT
                   Shift amount to get the read data support

       NVME_PMRCAP_WDS_SHIFT
                   Shift amount to get the write data support

       NVME_PMRCAP_BIR_SHIFT
                   Shift amount to get the base indicator register

       NVME_PMRCAP_PMRTU_SHIFT
                   Shift amount to get the persistent memory region time units

       NVME_PMRCAP_PMRWBM_SHIFT
                   Shift amount to get the persistent memory region write barrier mechanisms

       NVME_PMRCAP_PMRTO_SHIFT
                   Shift amount to get the persistent memory region timeout

       NVME_PMRCAP_CMSS_SHIFT
                   Shift amount to get the controller memory space supported

       NVME_PMRCAP_PMRWMB_SHIFT
                   Deprecated shift amount to get the persistent memory region write barrier mechanisms

       NVME_PMRCAP_RDS_MASK
                   Mask to get the read data support

       NVME_PMRCAP_WDS_MASK
                   Mask to get the write data support

       NVME_PMRCAP_BIR_MASK
                   Mask to get the base indicator register

       NVME_PMRCAP_PMRTU_MASK
                   Mask to get the persistent memory region time units

       NVME_PMRCAP_PMRWBM_MASK
                   Mask to get the persistent memory region write barrier mechanisms

       NVME_PMRCAP_PMRTO_MASK
                   Mask to get the persistent memory region timeout

       NVME_PMRCAP_CMSS_MASK
                   Mask to get the controller memory space supported

       NVME_PMRCAP_PMRWMB_MASK
                   Deprecated mask to get the persistent memory region write barrier mechanisms

       NVME_PMRCAP_PMRTU_500MS
                   500 milliseconds

       NVME_PMRCAP_PMRTU_60S
                   minutes

August 2025                                     enum nvme_pmrcap                                      libnvme(2)