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From: Alejandro Lucero <alejandro.lucero@netronome.com>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: dev <dev@dpdk.org>, Gaetan Rivet <gaetan.rivet@6wind.com>
Subject: Re: [dpdk-dev] [PATCH] bus/pci: use device driver name instead of handler type
Date: Thu, 25 Oct 2018 07:00:51 +0100	[thread overview]
Message-ID: <CAD+H991PGmgSBbzof3Ca6gwQjnmfMtGkSW-mqkTHUH3nVJ3s9g@mail.gmail.com> (raw)
In-Reply-To: <CAD+H991sfef0XqN5bHPpQ-_DVasLdd4RkkLdSKRfZ6u+H_m=1A@mail.gmail.com>

On Thu, Oct 25, 2018 at 6:30 AM Alejandro Lucero <
alejandro.lucero@netronome.com> wrote:

>
>
> On Thu, Oct 25, 2018 at 12:11 AM Thomas Monjalon <thomas@monjalon.net>
> wrote:
>
>> Hi,
>>
>> 19/10/2018 18:43, Alejandro Lucero:
>> > --- a/drivers/bus/pci/linux/pci.c
>> > +++ b/drivers/bus/pci/linux/pci.c
>> > +     char devname[RTE_DEV_NAME_MAX_LEN] = {0};
>>
>> I think "" would be more appropriate than {0}.
>>
>> >       const struct rte_intr_handle *intr_handle = &device->intr_handle;
>> >
>> > -     switch (intr_handle->type) {
>> > -     case RTE_INTR_HANDLE_UIO:
>> > -     case RTE_INTR_HANDLE_UIO_INTX:
>> > +     switch (device->kdrv) {
>> > +     case RTE_KDRV_IGB_UIO:
>> >               return pci_uio_read_config(intr_handle, buf, len, offset);
>> > -
>> > -#ifdef VFIO_PRESENT
>>
>> Why this #ifdef is removed?
>>
>>
> Because it is not needed. VFIO is present if the kdrv field tells us so.
>

And at this point it is clear VFIO is present if that is the case.
Otherwise this code is not executed.


>
>
>> > -     case RTE_INTR_HANDLE_VFIO_MSIX:
>> > -     case RTE_INTR_HANDLE_VFIO_MSI:
>> > -     case RTE_INTR_HANDLE_VFIO_LEGACY:
>> > +     case RTE_KDRV_VFIO:
>> >               return pci_vfio_read_config(intr_handle, buf, len,
>> offset);
>> > -#endif
>> >       default:
>> > +             rte_pci_device_name(&device->addr, devname,
>> > +                                 RTE_DEV_NAME_MAX_LEN);
>> >               RTE_LOG(ERR, EAL,
>> > -                     "Unknown handle type of fd %d\n",
>> > -                                     intr_handle->fd);
>> > +                     "Unknown driver type for %s\n", devname);
>> >               return -1;
>> >       }
>>
>>
>>
>>

  reply	other threads:[~2018-10-25  6:01 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-19 16:43 Alejandro Lucero
2018-10-22  8:58 ` Burakov, Anatoly
2018-10-24 23:11 ` Thomas Monjalon
2018-10-25  5:30   ` Alejandro Lucero
2018-10-25  6:00     ` Alejandro Lucero [this message]
2018-10-25  9:29       ` Burakov, Anatoly
2018-10-25  9:45         ` Alejandro Lucero

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