[dpdk-dev] [PATCH v2 00/41] Memory Hotplug for DPDK

[Shreyansh Jain]

Hello Anatoly,

On Tue, Mar 13, 2018 at 10:47 AM, Shreyansh Jain <shreyansh.jain at nxp.com> wrote:
> Hello Anatoly,
>
> On Fri, Mar 9, 2018 at 4:12 PM, Burakov, Anatoly
> <anatoly.burakov at intel.com> wrote:
>> On 09-Mar-18 9:15 AM, Pavan Nikhilesh wrote:
>
> [...]
>
>>>
>>>
>>> I have taken a look at the github tree the issues with VFIO are gone,
>>> Although
>>> compilation issues with dpaa/dpaa2 are still present due to their
>>> dependency on
>>> `rte_eal_get_physmem_layout`.
>>
>>
>> I've fixed the dpaa compile issue and pushed it to github. I've tried to
>> keep the semantics the same as before, but i can't compile-test (let alone
>> test-test) them as i don't have access to a system with dpaa bus.
>
> Thanks. I will have a look at this.

Just a heads-up, DPAA2 is broken on top-of-tree (github:
784e041f6b520) as of now:

--->8---
root at ls2088ardb:~/shreyansh/07_dpdk_memory#
./arm64-dpaa2-linuxapp-gcc/app/testpmd -c 0xE -n 1 --log-level=eal,8
--log-level=mem,8 -- -i --portmask=0x3
EAL: Detected lcore 0 as core 0 on socket 0
EAL: Detected lcore 1 as core 1 on socket 0
EAL: Detected lcore 2 as core 0 on socket 0
EAL: Detected lcore 3 as core 1 on socket 0
EAL: Detected lcore 4 as core 0 on socket 0
EAL: Detected lcore 5 as core 1 on socket 0
EAL: Detected lcore 6 as core 0 on socket 0
EAL: Detected lcore 7 as core 1 on socket 0
EAL: Support maximum 16 logical core(s) by configuration.
EAL: Detected 8 lcore(s)
EAL: Detected 1 NUMA nodes
EAL: VFIO PCI modules not loaded
EAL: DPAA Bus not present. Skipping.
EAL: Container: dprc.2 has VFIO iommu group id = 4
EAL: fslmc: Bus scan completed
EAL: Module /sys/module/rte_kni not found! error 2 (No such file or directory)
EAL: Multi-process socket /var/run/.rte_unix
EAL: Probing VFIO support...
EAL:   IOMMU type 1 (Type 1) is supported
EAL:   IOMMU type 7 (sPAPR) is not supported
EAL:   IOMMU type 8 (No-IOMMU) is not supported
EAL: VFIO support initialized
EAL: Mem event callback 'vfio_mem_event_clb' registered
EAL: Ask a virtual area of 0x2e000 bytes
EAL: Virtual area found at 0xffff86cae000 (size = 0x2e000)
EAL: Setting up physically contiguous memory...
EAL: Ask a virtual area of 0x1000 bytes
EAL: Virtual area found at 0xffff8873f000 (size = 0x1000)
EAL: Memseg list allocated: 0x100000kB at socket 0
EAL: Ask a virtual area of 0x800000000 bytes
EAL: Virtual area found at 0xfff780000000 (size = 0x800000000)
EAL: Ask a virtual area of 0x1000 bytes
EAL: Virtual area found at 0xffff8873e000 (size = 0x1000)
EAL: Memseg list allocated: 0x100000kB at socket 0
EAL: Ask a virtual area of 0x800000000 bytes
EAL: Virtual area found at 0xffef40000000 (size = 0x800000000)
EAL: Ask a virtual area of 0x1000 bytes
EAL: Virtual area found at 0xffff8873d000 (size = 0x1000)
EAL: Memseg list allocated: 0x100000kB at socket 0
EAL: Ask a virtual area of 0x800000000 bytes
EAL: Virtual area found at 0xffe700000000 (size = 0x800000000)
EAL: Ask a virtual area of 0x1000 bytes
EAL: Virtual area found at 0xffff8873c000 (size = 0x1000)
EAL: Memseg list allocated: 0x100000kB at socket 0
EAL: Ask a virtual area of 0x800000000 bytes
EAL: Virtual area found at 0xffdec0000000 (size = 0x800000000)
EAL: TSC frequency is ~25000 KHz
EAL: Master lcore 1 is ready (tid=88742110;cpuset=[1])
EAL: lcore 3 is ready (tid=85cab910;cpuset=[3])
EAL: lcore 2 is ready (tid=864ab910;cpuset=[2])
EAL: eal_memalloc_alloc_page_bulk(): couldn't find suitable memseg_list
error allocating rte services array
EAL: FATAL: rte_service_init() failed

EAL: rte_service_init() failed

PANIC in main():
Cannot init EAL
1: [./arm64-dpaa2-linuxapp-gcc/app/testpmd(rte_dump_stack+0x38) [0x4f37a8]]
Aborted
--->8--

Above is an initial output - still investigating. I will keep you posted.

>
>>
>> Also, you might want to know that dpaa bus driver references
>> RTE_LIBRTE_DPAA_MAX_CRYPTODEV which is only found in
>> config/common_armv8a_linuxapp but is not present in base config. Not sure if
>> that's an issue.

A recent patch from Hemant has fixed this (yet to be merged in master).

[...]

-
Shreyansh