NAME

       enum nvme_cap - This field indicates the controller capabilities register

SYNOPSIS

       enum nvme_cap {
           NVME_CAP_MQES_SHIFT ,
           NVME_CAP_CQR_SHIFT ,
           NVME_CAP_AMS_SHIFT ,
           NVME_CAP_TO_SHIFT ,
           NVME_CAP_DSTRD_SHIFT ,
           NVME_CAP_NSSRC_SHIFT ,
           NVME_CAP_CSS_SHIFT ,
           NVME_CAP_BPS_SHIFT ,
           NVME_CAP_CPS_SHIFT ,
           NVME_CAP_MPSMIN_SHIFT ,
           NVME_CAP_MPSMAX_SHIFT ,
           NVME_CAP_PMRS_SHIFT ,
           NVME_CAP_CMBS_SHIFT ,
           NVME_CAP_NSSS_SHIFT ,
           NVME_CAP_CRMS_SHIFT ,
           NVME_CAP_MQES_MASK ,
           NVME_CAP_CQR_MASK ,
           NVME_CAP_AMS_MASK ,
           NVME_CAP_TO_MASK ,
           NVME_CAP_DSTRD_MASK ,
           NVME_CAP_NSSRC_MASK ,
           NVME_CAP_CSS_MASK ,
           NVME_CAP_BPS_MASK ,
           NVME_CAP_CPS_MASK ,
           NVME_CAP_MPSMIN_MASK ,
           NVME_CAP_MPSMAX_MASK ,
           NVME_CAP_PMRS_MASK ,
           NVME_CAP_CMBS_MASK ,
           NVME_CAP_NSSS_MASK ,
           NVME_CAP_CRMS_MASK ,
           NVME_CAP_AMS_WRR ,
           NVME_CAP_AMS_VS ,
           NVME_CAP_CSS_NVM ,
           NVME_CAP_CSS_CSI ,
           NVME_CAP_CSS_ADMIN ,
           NVME_CAP_CPS_NONE ,
           NVME_CAP_CPS_CTRL ,
           NVME_CAP_CPS_DOMAIN ,
           NVME_CAP_CPS_NVMS ,
           NVME_CAP_CRWMS ,
           NVME_CAP_CRIMS

       };

Constants

       NVME_CAP_MQES_SHIFT
                   Shift amount to get the maximum queue entries supported

       NVME_CAP_CQR_SHIFT
                   Shift amount to get the contiguous queues required

       NVME_CAP_AMS_SHIFT
                   Shift amount to get the arbitration mechanism supported

       NVME_CAP_TO_SHIFT
                   Shift amount to get the timeout

       NVME_CAP_DSTRD_SHIFT
                   Shift amount to get the doorbell stride

       NVME_CAP_NSSRC_SHIFT
                   Shift amount to get the NVM subsystem reset supported

       NVME_CAP_CSS_SHIFT
                   Shift amount to get the command sets supported

       NVME_CAP_BPS_SHIFT
                   Shift amount to get the boot partition support

       NVME_CAP_CPS_SHIFT
                   Shift amount to get the controller power scope

       NVME_CAP_MPSMIN_SHIFT
                   Shift amount to get the memory page size minimum

       NVME_CAP_MPSMAX_SHIFT
                   Shift amount to get the memory page size maximum

       NVME_CAP_PMRS_SHIFT
                   Shift amount to get the persistent memory region supported

       NVME_CAP_CMBS_SHIFT
                   Shift amount to get the controller memory buffer supported

       NVME_CAP_NSSS_SHIFT
                   Shift amount to get the NVM subsystem shutdown supported

       NVME_CAP_CRMS_SHIFT
                   Shift amount to get the controller ready modes supported

       NVME_CAP_MQES_MASK
                   Mask to get the maximum queue entries supported

       NVME_CAP_CQR_MASK
                   Mask to get the contiguous queues required

       NVME_CAP_AMS_MASK
                   Mask to get the arbitration mechanism supported

       NVME_CAP_TO_MASK
                   Mask to get the timeout

       NVME_CAP_DSTRD_MASK
                   Mask to get the doorbell stride

       NVME_CAP_NSSRC_MASK
                   Mask to get the NVM subsystem reset supported

       NVME_CAP_CSS_MASK
                   Mask to get the command sets supported

       NVME_CAP_BPS_MASK
                   Mask to get the boot partition support

       NVME_CAP_CPS_MASK
                   Mask to get the controller power scope

       NVME_CAP_MPSMIN_MASK
                   Mask to get the memory page size minimum

       NVME_CAP_MPSMAX_MASK
                   Mask to get the memory page size maximum

       NVME_CAP_PMRS_MASK
                   Mask to get the persistent memory region supported

       NVME_CAP_CMBS_MASK
                   Mask to get the controller memory buffer supported

       NVME_CAP_NSSS_MASK
                   Mask to get the NVM subsystem shutdown supported

       NVME_CAP_CRMS_MASK
                   Mask to get the controller ready modes supported

       NVME_CAP_AMS_WRR
                   Weighted round robin with urgent priority class

       NVME_CAP_AMS_VS
                   Vendor specific

       NVME_CAP_CSS_NVM
                   NVM command set or a discovery controller

       NVME_CAP_CSS_CSI
                   Controller supports one or more I/O command sets

       NVME_CAP_CSS_ADMIN
                   No I/O command set is supported

       NVME_CAP_CPS_NONE
                   Not reported

       NVME_CAP_CPS_CTRL
                   Controller scope

       NVME_CAP_CPS_DOMAIN
                   Domain scope

       NVME_CAP_CPS_NVMS
                   NVM subsystem scope

       NVME_CAP_CRWMS
                   Controller ready with media support

       NVME_CAP_CRIMS
                   Controller ready independent of media support