[dpdk-dev] Issues of MSIx interrupt enable with user space driver

2015-04-29 Thread Zhou, Danny
; From: James (Fei) Liu-SSI [mailto:james.liu at ssi.samsung.com] > Sent: Thursday, April 30, 2015 2:26 AM > To: Zhou, Danny; dev at dpdk.org > Cc: Liang, Cunming > Subject: RE: [dpdk-dev] Issues of MSIx interrupt enable with user space driver > > Hi Danny, > > Thanks a lot

[dpdk-dev] Issues of MSIx interrupt enable with user space driver

2015-04-29 Thread James (Fei) Liu-SSI
: James (Fei) Liu-SSI; dev at dpdk.org Cc: Liang, Cunming Subject: RE: [dpdk-dev] Issues of MSIx interrupt enable with user space driver The V6 "Interrupt PMD" patch has been sent out to DPDK.org 2 months ago, and V7 is under development with changes to include more generic APIs

[dpdk-dev] Issues of MSIx interrupt enable with user space driver

2015-04-29 Thread James (Fei) Liu-SSI
28, 2015 4:43 PM To: James (Fei) Liu-SSI Cc: dev at dpdk.org Subject: Re: [dpdk-dev] Issues of MSIx interrupt enable with user space driver On Tue, 28 Apr 2015 21:57:31 + "James (Fei) Liu-SSI" mailto:james.liu at ssi.samsung.com>> wrote: > Hi All, > We are porting d

[dpdk-dev] Issues of MSIx interrupt enable with user space driver

2015-04-28 Thread James (Fei) Liu-SSI
-bounces at dpdk.org] on behalf of James (Fei) Liu-SSI [james@ssi.samsung.com] Sent: Tuesday, April 28, 2015 2:57 PM To: dev at dpdk.org Subject: [dpdk-dev] Issues of MSIx interrupt enable with user space driver Hi All, We are porting driver from kernel into user space driver with DPDK for one

[dpdk-dev] Issues of MSIx interrupt enable with user space driver

2015-04-28 Thread Zhou, Danny
- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of James (Fei) Liu-SSI > Sent: Wednesday, April 29, 2015 5:58 AM > To: dev at dpdk.org > Subject: [dpdk-dev] Issues of MSIx interrupt enable with user space driver > > Hi All, > We are porting driver from kernel into user sp

[dpdk-dev] Issues of MSIx interrupt enable with user space driver

2015-04-28 Thread James (Fei) Liu-SSI
Hi All, We are porting driver from kernel into user space driver with DPDK for one of our devices. Polling thread works fine without any issue. However, we want to switch from polling to interrupt based handler. While we enable interrupt with VFIO MSIx, we always get below errors after issui

[dpdk-dev] Issues of MSIx interrupt enable with user space driver

2015-04-28 Thread Stephen Hemminger
On Tue, 28 Apr 2015 21:57:31 + "James (Fei) Liu-SSI" wrote: > Hi All, > We are porting driver from kernel into user space driver with DPDK for > one of our devices. Polling thread works fine without any issue. However, we > want to switch from polling to interrupt based handler. While w