[v9,09/12] vdpa/ifc: improve internal list logic
Checks
Commit Message
Insert internal list element to internal list before
register vdpa device, in order to call vdpa ops during
vdpa device registration.
Signed-off-by: Andy Pei <andy.pei@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
drivers/vdpa/ifc/ifcvf_vdpa.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
Comments
> -----Original Message-----
> From: Pei, Andy <andy.pei@intel.com>
> Sent: Wednesday, October 19, 2022 4:41 PM
> To: dev@dpdk.org
> Cc: Xia, Chenbo <chenbo.xia@intel.com>; Xu, Rosen <rosen.xu@intel.com>;
> Huang, Wei <wei.huang@intel.com>; Cao, Gang <gang.cao@intel.com>;
> maxime.coquelin@redhat.com
> Subject: [PATCH v9 09/12] vdpa/ifc: improve internal list logic
>
> Insert internal list element to internal list before
> register vdpa device, in order to call vdpa ops during
> vdpa device registration.
>
> Signed-off-by: Andy Pei <andy.pei@intel.com>
> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> ---
> drivers/vdpa/ifc/ifcvf_vdpa.c | 11 +++++++----
> 1 file changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c
> index c16e263..8dfd493 100644
> --- a/drivers/vdpa/ifc/ifcvf_vdpa.c
> +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c
> @@ -1737,17 +1737,20 @@ struct rte_vdpa_dev_info dev_info[] = {
> }
> internal->sw_lm = sw_fallback_lm;
>
> + pthread_mutex_lock(&internal_list_lock);
> + TAILQ_INSERT_TAIL(&internal_list, list, next);
> + pthread_mutex_unlock(&internal_list_lock);
> +
> internal->vdev = rte_vdpa_register_device(&pci_dev->device,
> dev_info[internal->hw.device_type].ops);
> if (internal->vdev == NULL) {
> DRV_LOG(ERR, "failed to register device %s", pci_dev->name);
> + pthread_mutex_lock(&internal_list_lock);
> + TAILQ_REMOVE(&internal_list, list, next);
> + pthread_mutex_unlock(&internal_list_lock);
> goto error;
> }
>
> - pthread_mutex_lock(&internal_list_lock);
> - TAILQ_INSERT_TAIL(&internal_list, list, next);
> - pthread_mutex_unlock(&internal_list_lock);
> -
> rte_atomic32_set(&internal->started, 1);
> update_datapath(internal);
>
> --
> 1.8.3.1
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
Hi Chenbo,
Thanks.
> -----Original Message-----
> From: Xia, Chenbo <chenbo.xia@intel.com>
> Sent: Thursday, October 20, 2022 11:22 AM
> To: Pei, Andy <andy.pei@intel.com>; dev@dpdk.org
> Cc: Xu, Rosen <rosen.xu@intel.com>; Huang, Wei <wei.huang@intel.com>;
> Cao, Gang <gang.cao@intel.com>; maxime.coquelin@redhat.com
> Subject: RE: [PATCH v9 09/12] vdpa/ifc: improve internal list logic
>
> > -----Original Message-----
> > From: Pei, Andy <andy.pei@intel.com>
> > Sent: Wednesday, October 19, 2022 4:41 PM
> > To: dev@dpdk.org
> > Cc: Xia, Chenbo <chenbo.xia@intel.com>; Xu, Rosen
> > <rosen.xu@intel.com>; Huang, Wei <wei.huang@intel.com>; Cao, Gang
> > <gang.cao@intel.com>; maxime.coquelin@redhat.com
> > Subject: [PATCH v9 09/12] vdpa/ifc: improve internal list logic
> >
> > Insert internal list element to internal list before register vdpa
> > device, in order to call vdpa ops during vdpa device registration.
> >
> > Signed-off-by: Andy Pei <andy.pei@intel.com>
> > Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> > ---
> > drivers/vdpa/ifc/ifcvf_vdpa.c | 11 +++++++----
> > 1 file changed, 7 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c
> > b/drivers/vdpa/ifc/ifcvf_vdpa.c index c16e263..8dfd493 100644
> > --- a/drivers/vdpa/ifc/ifcvf_vdpa.c
> > +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c
> > @@ -1737,17 +1737,20 @@ struct rte_vdpa_dev_info dev_info[] = {
> > }
> > internal->sw_lm = sw_fallback_lm;
> >
> > + pthread_mutex_lock(&internal_list_lock);
> > + TAILQ_INSERT_TAIL(&internal_list, list, next);
> > + pthread_mutex_unlock(&internal_list_lock);
> > +
> > internal->vdev = rte_vdpa_register_device(&pci_dev->device,
> > dev_info[internal->hw.device_type].ops);
> > if (internal->vdev == NULL) {
> > DRV_LOG(ERR, "failed to register device %s", pci_dev->name);
> > + pthread_mutex_lock(&internal_list_lock);
> > + TAILQ_REMOVE(&internal_list, list, next);
> > + pthread_mutex_unlock(&internal_list_lock);
> > goto error;
> > }
> >
> > - pthread_mutex_lock(&internal_list_lock);
> > - TAILQ_INSERT_TAIL(&internal_list, list, next);
> > - pthread_mutex_unlock(&internal_list_lock);
> > -
> > rte_atomic32_set(&internal->started, 1);
> > update_datapath(internal);
> >
> > --
> > 1.8.3.1
>
> Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
@@ -1737,17 +1737,20 @@ struct rte_vdpa_dev_info dev_info[] = {
}
internal->sw_lm = sw_fallback_lm;
+ pthread_mutex_lock(&internal_list_lock);
+ TAILQ_INSERT_TAIL(&internal_list, list, next);
+ pthread_mutex_unlock(&internal_list_lock);
+
internal->vdev = rte_vdpa_register_device(&pci_dev->device,
dev_info[internal->hw.device_type].ops);
if (internal->vdev == NULL) {
DRV_LOG(ERR, "failed to register device %s", pci_dev->name);
+ pthread_mutex_lock(&internal_list_lock);
+ TAILQ_REMOVE(&internal_list, list, next);
+ pthread_mutex_unlock(&internal_list_lock);
goto error;
}
- pthread_mutex_lock(&internal_list_lock);
- TAILQ_INSERT_TAIL(&internal_list, list, next);
- pthread_mutex_unlock(&internal_list_lock);
-
rte_atomic32_set(&internal->started, 1);
update_datapath(internal);