[SPDK] SPDK environment initialization from a DPDK application

[SPDK] SPDK environment initialization from a DPDK application

[Nalla, Pradeep]

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Hello

I got a requirement of a DPDK application that forwards packets and also handle NVMe commands. As the DPDK's EAL is already initialized
by the forwarding application, calling rte_eal_init again in the spdk_env_init is causing issue with rte_error being set to EALREADY. Is there
a way for the env_dpdk library of SPDK to consider an already initialized DPDK.

Thanks
Pradeep.

Re: [SPDK] SPDK environment initialization from a DPDK application

[Harris, James R]

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On 11/30/18, 8:29 AM, "SPDK on behalf of Nalla, Pradeep" <spdk-bounces(a)lists.01.org on behalf of Pradeep.Nalla(a)cavium.com> wrote:

    Hello
    
    I got a requirement of a DPDK application that forwards packets and also handle NVMe commands. As the DPDK's EAL is already initialized
    by the forwarding application, calling rte_eal_init again in the spdk_env_init is causing issue with rte_error being set to EALREADY. Is there
    a way for the env_dpdk library of SPDK to consider an already initialized DPDK.

Hi Pradeep,

There's no way to do that currently, but it's a very reasonable request.  Would you mind adding an issue in GitHub for this?  Since it's an enhancement request, there's no need to fill out the template - adding what you have here is sufficient.

http://github.com/spdk/spdk/issues

I'll add some comments on how it might be implemented in SPDK once the issue is filed.

Thanks,

-Jim

    
    Thanks
    Pradeep.
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