[PATCH v8 08/12] vdpa/ifc: add internal API to get device

[Pei, Andy]

Hi Chenbo, 
Thanks for your review.

> -----Original Message-----
> From: Xia, Chenbo <chenbo.xia at intel.com>
> Sent: Wednesday, October 19, 2022 3:04 PM
> To: Pei, Andy <andy.pei at intel.com>; dev at dpdk.org
> Cc: Xu, Rosen <rosen.xu at intel.com>; Huang, Wei <wei.huang at intel.com>;
> Cao, Gang <gang.cao at intel.com>; maxime.coquelin at redhat.com
> Subject: RE: [PATCH v8 08/12] vdpa/ifc: add internal API to get device
> 
> > -----Original Message-----
> > From: Pei, Andy <andy.pei at intel.com>
> > Sent: Tuesday, October 18, 2022 8:08 PM
> > To: dev at dpdk.org
> > Cc: Xia, Chenbo <chenbo.xia at intel.com>; Xu, Rosen
> > <rosen.xu at intel.com>; Huang, Wei <wei.huang at intel.com>; Cao, Gang
> > <gang.cao at intel.com>; maxime.coquelin at redhat.com
> > Subject: [PATCH v8 08/12] vdpa/ifc: add internal API to get device
> >
> > Add new internal API "find_internal_resource_by_rte_dev"
> > to get device.
> >
> > Signed-off-by: Andy Pei <andy.pei at intel.com>
> > ---
> >  drivers/vdpa/ifc/ifcvf_vdpa.c | 28 ++++++++++++++++++++++++++--
> >  1 file changed, 26 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c
> > b/drivers/vdpa/ifc/ifcvf_vdpa.c index 73d04ed..c16e263 100644
> > --- a/drivers/vdpa/ifc/ifcvf_vdpa.c
> > +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c
> > @@ -144,6 +144,29 @@ struct rte_vdpa_dev_info {
> >  	return list;
> >  }
> >
> > +static struct internal_list *
> > +find_internal_resource_by_rte_dev(struct rte_device *rte_dev) {
> > +	int found = 0;
> > +	struct internal_list *list;
> > +
> > +	pthread_mutex_lock(&internal_list_lock);
> > +
> > +	TAILQ_FOREACH(list, &internal_list, next) {
> > +		if (rte_dev == &list->internal->pdev->device) {
> > +			found = 1;
> > +			break;
> > +		}
> > +	}
> > +
> > +	pthread_mutex_unlock(&internal_list_lock);
> > +
> > +	if (!found)
> > +		return NULL;
> > +
> > +	return list;
> > +}
> > +
> >  static int
> >  ifcvf_vfio_setup(struct ifcvf_internal *internal)  { @@ -1398,10
> > +1421,11 @@ struct rte_vdpa_dev_info {  {
> >  	struct ifcvf_internal *internal;
> >  	struct internal_list *list;
> > +	struct rte_device *rte_dev = vdev->device;
> >
> > -	list = find_internal_resource_by_vdev(vdev);
> > +	list = find_internal_resource_by_rte_dev(rte_dev);
> >  	if (list == NULL) {
> > -		DRV_LOG(ERR, "Invalid vDPA device: %p", vdev);
> > +		DRV_LOG(ERR, "Invalid rte device: %p", rte_dev);
> >  		return -1;
> >  	}
> >
> > --
> > 1.8.3.1
> 
> Reviewed-by: Chenbo Xia <chenbo.xia at intel.com>