On Thu, 17 Oct 2019 at 08:16, Peng Ma <peng.ma@xxxxxxx> wrote: > > Hi Vinod, > > Thanks very much for your reply. > > Best Regards, > Peng > >-----Original Message----- > >From: Vinod Koul <vkoul@xxxxxxxxxx> > >Sent: 2019年10月17日 12:11 > >To: Peng Ma <peng.ma@xxxxxxx> > >Cc: dan.j.williams@xxxxxxxxx; Leo Li <leoyang.li@xxxxxxx>; > >linux-kernel@xxxxxxxxxxxxxxx; dmaengine@xxxxxxxxxxxxxxx > >Subject: [EXT] Re: [V5 1/2] dmaengine: fsl-dpaa2-qdma: Add the DPDMAI(Data > >Path DMA Interface) support > > > >Caution: EXT Email > > > >On 30-09-19, 02:04, Peng Ma wrote: > >> The MC(Management Complex) exports the DPDMAI(Data Path DMA > >Interface) > >> object as an interface to operate the DPAA2(Data Path Acceleration > >> Architecture 2) qDMA Engine. The DPDMAI enables sending frame-based > >> requests to qDMA and receiving back confirmation response on > >> transaction completion, utilizing the DPAA2 QBMan(Queue Manager and > >> Buffer Manager > >> hardware) infrastructure. DPDMAI object provides up to two priorities > >> for processing qDMA requests. > >> The following list summarizes the DPDMAI main features and capabilities: > >> 1. Supports up to two scheduling priorities for processing > >> service requests. > >> - Each DPDMAI transmit queue is mapped to one of two service > >> priorities, allowing further prioritization in hardware between > >> requests from different DPDMAI objects. > >> 2. Supports up to two receive queues for incoming transaction > >> completion confirmations. > >> - Each DPDMAI receive queue is mapped to one of two receive > >> priorities, allowing further prioritization between other > >> interfaces when associating the DPDMAI receive queues to DPIO > >> or DPCON(Data Path Concentrator) objects. > >> 3. Supports different scheduling options for processing received > >> packets: > >> - Queues can be configured either in 'parked' mode (default), > >> or attached to a DPIO object, or attached to DPCON object. > >> 4. Allows interaction with one or more DPIO objects for > >> dequeueing/enqueueing frame descriptors(FD) and for > >> acquiring/releasing buffers. > >> 5. Supports enable, disable, and reset operations. > >> > >> Add dpdmai to support some platforms with dpaa2 qdma engine. > > > >Applied both, thanks I see this error when I'm building. WARNING: modpost: missing MODULE_LICENSE() in drivers/dma/fsl-dpaa2-qdma/dpdmai.o see include/linux/module.h for more information ERROR: "dpdmai_enable" [drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.ko] undefined! ERROR: "dpdmai_set_rx_queue" [drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.ko] undefined! ERROR: "dpdmai_get_tx_queue" [drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.ko] undefined! ERROR: "dpdmai_get_rx_queue" [drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.ko] undefined! ERROR: "dpdmai_get_attributes" [drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.ko] undefined! ERROR: "dpdmai_open" [drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.ko] undefined! ERROR: "dpdmai_close" [drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.ko] undefined! ERROR: "dpdmai_disable" [drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.ko] undefined! ERROR: "dpdmai_reset" [drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.ko] undefined! make[2]: *** [../scripts/Makefile.modpost:95: __modpost] Error 1 make[1]: *** [/srv/src/kernel/next/Makefile:1282: modules] Error 2 make: *** [Makefile:179: sub-make] Error 2 make: Target 'Image' not remade because of errors. make: Target 'modules' not remade because of errors. any other that see the same ? Cheers, Anders