[dpdk-dev] [dpdk-users] IGB_UIO: PCI Resources Management

Ferruh Yigit ferruh.yigit at intel.com
Thu Jan 12 12:55:44 CET 2017

On 12/9/2016 8:54 AM, Gregory Etelson wrote:
> Hello,
> IGB_UIO driver does not close port PCI activities after DPDK process exits.
> DPDK API provides rte_eth_dev_close() to manage port PCI,
> but it can be skipped if process receives SIGKILL signal

I guess I understand the problem.

> The patches below provide IGB_UIO release callback and IXGBEVF release function

But adding ixgbe specific code into igb_uio may not be good idea.
Can be anything done one upper layer, pci layer, generic to all drivers?

> With the patches, each time DPDK process terminates,
> UIO release callback will trigger port PCI close.
> On the down side, patched IGB_UIO can be bound to a single adapter type
> Regards,
> Gregory


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