I have ported SPDK for ARMv8.
And DPDK is compiled with version: 16.11.1

init controller is failing.

root(a)ubuntu:/home/oza/SPDK/spdk#
odepth=128 --size=4G --readwrite=read --filename=0000.01.00.00/1 --bs=4096
--i
/home/oza/fio /home/oza/SPDK/spdk
EAL: pci driver is being registered 0x1nreadtest: (g=0): rw=read,
bs=4096B-4096B,4096B-4096B,4096B-4096B, ioengine=spdk_fio, iodepth=128
fio-2.17-29-gf0ac1
Starting 1 process
Starting Intel(R) DPDK initialization ...
[ DPDK EAL parameters: fio -c 1 --file-prefix=spdk_pid6448
--base-virtaddr=0x1000000000 --proc-type=auto ]
EAL: Detected 8 lcore(s)
EAL: Auto-detected process type: PRIMARY
EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL: cannot open /proc/self/numa_maps, consider that all memory is in
socket_id 0
EAL: PCI device 0000:01:00.0 on NUMA socket 0
EAL:   probe driver: 8086:953 spdk_nvme
EAL:   using IOMMU type 1 (Type 1)
EAL: vfio_group_fd=11 iommu_group_no=3 *vfio_dev_fd=13
EAL: reg=0x2000 fd=13 cap_offset=0x50
EAL: the msi-x bar number is 0 0x2000 0x200
EAL: Hotplug doesn't support vfio yet
spdk_fio_setup() is being called
EAL: PCI device 0000:01:00.0 on NUMA socket 0
EAL:   probe driver: 8086:953 spdk_nvme
EAL: vfio_group_fd=11 iommu_group_no=3 *vfio_dev_fd=16
EAL: reg=0x2000 fd=16 cap_offset=0x50
EAL: the msi-x bar number is 0 0x2000 0x200
EAL: inside pci_vfio_write_config offset=4
nvme_ctrlr.c:1224:nvme_ctrlr_process_init: ***ERROR*** Initialization
timed out in state 3
nvme_ctrlr.c: 403:nvme_ctrlr_shutdown: ***ERROR*** did not shutdown within
5 seconds
EAL: Hotplug doesn't support vfio yet
EAL: PCI device 0000:01:00.0 on NUMA socket 0
EAL:   probe driver: 8086:953 spdk_nvme
EAL: vfio_group_fd=11 iommu_group_no=3 *vfio_dev_fd=18
EAL: reg=0x2000 fd=18 cap_offset=0x50
EAL: the msi-x bar number is 0 0x2000 0x200
EAL: Hotplug doesn't support vfio yet
EAL: Requested device 0000:01:00.0 cannot be used
spdk_nvme_probe() failed

Regards,
Oza.