nvmeadm format -l [controller_name]
For example:
nvmeadm format -l SUNW-NVME-1
SUNW-NVME-1
        LBA Format: 1
                Block Size:                     512
                Metadata Size:                  0
        LBA Format: 2
                Block Size:                     512
                Metadata Size:                  8
        LBA Format: 3
                Block Size:                     512
                Metadata Size:                  16
        LBA Format: 4
                Block Size:                     4096
                Metadata Size:                  0
        LBA Format: 5
                Block Size:                     4096
                Metadata Size:                  8
        LBA Format: 6
                Block Size:                     4096
                Metadata Size:                  64