[v7,10/12] vhost: add vdpa device type to rte vdpa device

Message ID 1666073977-175484-11-git-send-email-andy.pei@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Maxime Coquelin
Headers
Series vdpa/ifc: add multi queue support |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Pei, Andy Oct. 18, 2022, 6:19 a.m. UTC
  Add vdpa_device_type to rte_vdpa_device to store device type.
Call vdpa ops get_dev_type to fill vdpa_device_type
when register vdpa device.

Signed-off-by: Andy Pei <andy.pei@intel.com>
---
 lib/vhost/socket.c      | 15 +--------------
 lib/vhost/vdpa.c        | 17 +++++++++++++++++
 lib/vhost/vdpa_driver.h |  2 ++
 3 files changed, 20 insertions(+), 14 deletions(-)
  

Comments

Maxime Coquelin Oct. 18, 2022, 7:14 a.m. UTC | #1
On 10/18/22 08:19, Andy Pei wrote:
> Add vdpa_device_type to rte_vdpa_device to store device type.
> Call vdpa ops get_dev_type to fill vdpa_device_type
> when register vdpa device.
> 
> Signed-off-by: Andy Pei <andy.pei@intel.com>
> ---
>   lib/vhost/socket.c      | 15 +--------------
>   lib/vhost/vdpa.c        | 17 +++++++++++++++++
>   lib/vhost/vdpa_driver.h |  2 ++
>   3 files changed, 20 insertions(+), 14 deletions(-)
> 
> diff --git a/lib/vhost/socket.c b/lib/vhost/socket.c
> index 608ae57..f768114 100644
> --- a/lib/vhost/socket.c
> +++ b/lib/vhost/socket.c
> @@ -627,7 +627,6 @@ struct rte_vdpa_device *
>   {
>   	struct vhost_user_socket *vsocket;
>   	struct rte_vdpa_device *vdpa_dev;
> -	uint32_t vdpa_type = 0;
>   	int ret = 0;
>   
>   	pthread_mutex_lock(&vhost_user.mutex);
> @@ -644,19 +643,7 @@ struct rte_vdpa_device *
>   		goto unlock_exit;
>   	}
>   
> -	if (vdpa_dev->ops->get_dev_type) {
> -		ret = vdpa_dev->ops->get_dev_type(vdpa_dev, &vdpa_type);
> -		if (ret) {
> -			VHOST_LOG_CONFIG(path, ERR,
> -				"failed to get vdpa dev type for socket file.\n");
> -			ret = -1;
> -			goto unlock_exit;
> -		}
> -	} else {
> -		vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET;
> -	}
> -
> -	*type = vdpa_type;
> +	*type = vdpa_dev->vdpa_device_type;
>   
>   unlock_exit:
>   	pthread_mutex_unlock(&vhost_user.mutex);
> diff --git a/lib/vhost/vdpa.c b/lib/vhost/vdpa.c
> index bb82857..b487f4d 100644
> --- a/lib/vhost/vdpa.c
> +++ b/lib/vhost/vdpa.c
> @@ -73,6 +73,8 @@ struct rte_vdpa_device *
>   		struct rte_vdpa_dev_ops *ops)
>   {
>   	struct rte_vdpa_device *dev;
> +	uint32_t vdpa_type = -1;
> +	int ret = 0;
>   
>   	if (ops == NULL)
>   		return NULL;
> @@ -101,6 +103,21 @@ struct rte_vdpa_device *
>   
>   	dev->device = rte_dev;
>   	dev->ops = ops;
> +
> +	if (ops->get_dev_type) {
> +		ret = ops->get_dev_type(dev, &vdpa_type);
> +		if (ret) {
> +			VHOST_LOG_CONFIG(rte_dev->name, ERR,
> +					 "Failed to get vdpa dev type.\n");
> +			ret = -1;
> +			goto out_unlock;
> +		}
> +	} else {
> +		/** by default, we assume vdpa device is a net device */
> +		vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET;
> +	}
> +	dev->vdpa_device_type = vdpa_type;
> +
>   	TAILQ_INSERT_TAIL(&vdpa_device_list, dev, next);
>   out_unlock:
>   	rte_spinlock_unlock(&vdpa_device_list_lock);
> diff --git a/lib/vhost/vdpa_driver.h b/lib/vhost/vdpa_driver.h
> index 8b88a53..c4ec222 100644
> --- a/lib/vhost/vdpa_driver.h
> +++ b/lib/vhost/vdpa_driver.h
> @@ -92,6 +92,8 @@ struct rte_vdpa_device {
>   	struct rte_device *device;
>   	/** vdpa device operations */
>   	struct rte_vdpa_dev_ops *ops;
> +	/** vdpa device type: net, blk... */
> +	uint32_t vdpa_device_type;

I would name it simply "type".
It is part of rte_vdpa_device struct, no need to duplicate information.

Doing that, you can use it directly in later patches using
'vdpa_dev->type'.

Maxime

>   };
>   
>   /**
  
Pei, Andy Oct. 18, 2022, 12:14 p.m. UTC | #2
Hi Maxime,

Thanks for your reply.
I think your suggestion is good, I will send a new version to do it.

> -----Original Message-----
> From: Maxime Coquelin <maxime.coquelin@redhat.com>
> Sent: Tuesday, October 18, 2022 3:15 PM
> To: Pei, Andy <andy.pei@intel.com>; 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>
> Subject: Re: [PATCH v7 10/12] vhost: add vdpa device type to rte vdpa device
> 
> 
> 
> On 10/18/22 08:19, Andy Pei wrote:
> > Add vdpa_device_type to rte_vdpa_device to store device type.
> > Call vdpa ops get_dev_type to fill vdpa_device_type when register vdpa
> > device.
> >
> > Signed-off-by: Andy Pei <andy.pei@intel.com>
> > ---
> >   lib/vhost/socket.c      | 15 +--------------
> >   lib/vhost/vdpa.c        | 17 +++++++++++++++++
> >   lib/vhost/vdpa_driver.h |  2 ++
> >   3 files changed, 20 insertions(+), 14 deletions(-)
> >
> > diff --git a/lib/vhost/socket.c b/lib/vhost/socket.c index
> > 608ae57..f768114 100644
> > --- a/lib/vhost/socket.c
> > +++ b/lib/vhost/socket.c
> > @@ -627,7 +627,6 @@ struct rte_vdpa_device *
> >   {
> >   	struct vhost_user_socket *vsocket;
> >   	struct rte_vdpa_device *vdpa_dev;
> > -	uint32_t vdpa_type = 0;
> >   	int ret = 0;
> >
> >   	pthread_mutex_lock(&vhost_user.mutex);
> > @@ -644,19 +643,7 @@ struct rte_vdpa_device *
> >   		goto unlock_exit;
> >   	}
> >
> > -	if (vdpa_dev->ops->get_dev_type) {
> > -		ret = vdpa_dev->ops->get_dev_type(vdpa_dev, &vdpa_type);
> > -		if (ret) {
> > -			VHOST_LOG_CONFIG(path, ERR,
> > -				"failed to get vdpa dev type for socket
> file.\n");
> > -			ret = -1;
> > -			goto unlock_exit;
> > -		}
> > -	} else {
> > -		vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET;
> > -	}
> > -
> > -	*type = vdpa_type;
> > +	*type = vdpa_dev->vdpa_device_type;
> >
> >   unlock_exit:
> >   	pthread_mutex_unlock(&vhost_user.mutex);
> > diff --git a/lib/vhost/vdpa.c b/lib/vhost/vdpa.c index
> > bb82857..b487f4d 100644
> > --- a/lib/vhost/vdpa.c
> > +++ b/lib/vhost/vdpa.c
> > @@ -73,6 +73,8 @@ struct rte_vdpa_device *
> >   		struct rte_vdpa_dev_ops *ops)
> >   {
> >   	struct rte_vdpa_device *dev;
> > +	uint32_t vdpa_type = -1;
> > +	int ret = 0;
> >
> >   	if (ops == NULL)
> >   		return NULL;
> > @@ -101,6 +103,21 @@ struct rte_vdpa_device *
> >
> >   	dev->device = rte_dev;
> >   	dev->ops = ops;
> > +
> > +	if (ops->get_dev_type) {
> > +		ret = ops->get_dev_type(dev, &vdpa_type);
> > +		if (ret) {
> > +			VHOST_LOG_CONFIG(rte_dev->name, ERR,
> > +					 "Failed to get vdpa dev type.\n");
> > +			ret = -1;
> > +			goto out_unlock;
> > +		}
> > +	} else {
> > +		/** by default, we assume vdpa device is a net device */
> > +		vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET;
> > +	}
> > +	dev->vdpa_device_type = vdpa_type;
> > +
> >   	TAILQ_INSERT_TAIL(&vdpa_device_list, dev, next);
> >   out_unlock:
> >   	rte_spinlock_unlock(&vdpa_device_list_lock);
> > diff --git a/lib/vhost/vdpa_driver.h b/lib/vhost/vdpa_driver.h index
> > 8b88a53..c4ec222 100644
> > --- a/lib/vhost/vdpa_driver.h
> > +++ b/lib/vhost/vdpa_driver.h
> > @@ -92,6 +92,8 @@ struct rte_vdpa_device {
> >   	struct rte_device *device;
> >   	/** vdpa device operations */
> >   	struct rte_vdpa_dev_ops *ops;
> > +	/** vdpa device type: net, blk... */
> > +	uint32_t vdpa_device_type;
> 
> I would name it simply "type".
> It is part of rte_vdpa_device struct, no need to duplicate information.
> 
> Doing that, you can use it directly in later patches using 'vdpa_dev->type'.
> 
> Maxime
> 
> >   };
> >
> >   /**
  
Chenbo Xia Oct. 19, 2022, 9:14 a.m. UTC | #3
> -----Original Message-----
> From: Pei, Andy <andy.pei@intel.com>
> Sent: Tuesday, October 18, 2022 2:20 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 v7 10/12] vhost: add vdpa device type to rte vdpa device
> 
> Add vdpa_device_type to rte_vdpa_device to store device type.
> Call vdpa ops get_dev_type to fill vdpa_device_type
> when register vdpa device.
> 
> Signed-off-by: Andy Pei <andy.pei@intel.com>
> ---
>  lib/vhost/socket.c      | 15 +--------------
>  lib/vhost/vdpa.c        | 17 +++++++++++++++++
>  lib/vhost/vdpa_driver.h |  2 ++
>  3 files changed, 20 insertions(+), 14 deletions(-)
> 
> diff --git a/lib/vhost/socket.c b/lib/vhost/socket.c
> index 608ae57..f768114 100644
> --- a/lib/vhost/socket.c
> +++ b/lib/vhost/socket.c
> @@ -627,7 +627,6 @@ struct rte_vdpa_device *
>  {
>  	struct vhost_user_socket *vsocket;
>  	struct rte_vdpa_device *vdpa_dev;
> -	uint32_t vdpa_type = 0;
>  	int ret = 0;
> 
>  	pthread_mutex_lock(&vhost_user.mutex);
> @@ -644,19 +643,7 @@ struct rte_vdpa_device *
>  		goto unlock_exit;
>  	}
> 
> -	if (vdpa_dev->ops->get_dev_type) {
> -		ret = vdpa_dev->ops->get_dev_type(vdpa_dev, &vdpa_type);
> -		if (ret) {
> -			VHOST_LOG_CONFIG(path, ERR,
> -				"failed to get vdpa dev type for socket file.\n");
> -			ret = -1;
> -			goto unlock_exit;
> -		}
> -	} else {
> -		vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET;
> -	}
> -
> -	*type = vdpa_type;
> +	*type = vdpa_dev->vdpa_device_type;
> 
>  unlock_exit:
>  	pthread_mutex_unlock(&vhost_user.mutex);
> diff --git a/lib/vhost/vdpa.c b/lib/vhost/vdpa.c
> index bb82857..b487f4d 100644
> --- a/lib/vhost/vdpa.c
> +++ b/lib/vhost/vdpa.c
> @@ -73,6 +73,8 @@ struct rte_vdpa_device *
>  		struct rte_vdpa_dev_ops *ops)
>  {
>  	struct rte_vdpa_device *dev;
> +	uint32_t vdpa_type = -1;
> +	int ret = 0;
> 
>  	if (ops == NULL)
>  		return NULL;
> @@ -101,6 +103,21 @@ struct rte_vdpa_device *
> 
>  	dev->device = rte_dev;
>  	dev->ops = ops;
> +
> +	if (ops->get_dev_type) {
> +		ret = ops->get_dev_type(dev, &vdpa_type);
> +		if (ret) {
> +			VHOST_LOG_CONFIG(rte_dev->name, ERR,
> +					 "Failed to get vdpa dev type.\n");
> +			ret = -1;
> +			goto out_unlock;
> +		}
> +	} else {
> +		/** by default, we assume vdpa device is a net device */
> +		vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET;
> +	}
> +	dev->vdpa_device_type = vdpa_type;
> +
>  	TAILQ_INSERT_TAIL(&vdpa_device_list, dev, next);
>  out_unlock:
>  	rte_spinlock_unlock(&vdpa_device_list_lock);
> diff --git a/lib/vhost/vdpa_driver.h b/lib/vhost/vdpa_driver.h
> index 8b88a53..c4ec222 100644
> --- a/lib/vhost/vdpa_driver.h
> +++ b/lib/vhost/vdpa_driver.h
> @@ -92,6 +92,8 @@ struct rte_vdpa_device {
>  	struct rte_device *device;
>  	/** vdpa device operations */
>  	struct rte_vdpa_dev_ops *ops;
> +	/** vdpa device type: net, blk... */
> +	uint32_t vdpa_device_type;
>  };
> 
>  /**
> --
> 1.8.3.1

Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
  
Pei, Andy Oct. 19, 2022, 9:19 a.m. UTC | #4
Hi Chebo,

Thanks for your review.

> -----Original Message-----
> From: Xia, Chenbo <chenbo.xia@intel.com>
> Sent: Wednesday, October 19, 2022 5:14 PM
> 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 v7 10/12] vhost: add vdpa device type to rte vdpa device
> 
> > -----Original Message-----
> > From: Pei, Andy <andy.pei@intel.com>
> > Sent: Tuesday, October 18, 2022 2:20 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 v7 10/12] vhost: add vdpa device type to rte vdpa
> > device
> >
> > Add vdpa_device_type to rte_vdpa_device to store device type.
> > Call vdpa ops get_dev_type to fill vdpa_device_type when register vdpa
> > device.
> >
> > Signed-off-by: Andy Pei <andy.pei@intel.com>
> > ---
> >  lib/vhost/socket.c      | 15 +--------------
> >  lib/vhost/vdpa.c        | 17 +++++++++++++++++
> >  lib/vhost/vdpa_driver.h |  2 ++
> >  3 files changed, 20 insertions(+), 14 deletions(-)
> >
> > diff --git a/lib/vhost/socket.c b/lib/vhost/socket.c index
> > 608ae57..f768114 100644
> > --- a/lib/vhost/socket.c
> > +++ b/lib/vhost/socket.c
> > @@ -627,7 +627,6 @@ struct rte_vdpa_device *  {
> >  	struct vhost_user_socket *vsocket;
> >  	struct rte_vdpa_device *vdpa_dev;
> > -	uint32_t vdpa_type = 0;
> >  	int ret = 0;
> >
> >  	pthread_mutex_lock(&vhost_user.mutex);
> > @@ -644,19 +643,7 @@ struct rte_vdpa_device *
> >  		goto unlock_exit;
> >  	}
> >
> > -	if (vdpa_dev->ops->get_dev_type) {
> > -		ret = vdpa_dev->ops->get_dev_type(vdpa_dev, &vdpa_type);
> > -		if (ret) {
> > -			VHOST_LOG_CONFIG(path, ERR,
> > -				"failed to get vdpa dev type for socket
> file.\n");
> > -			ret = -1;
> > -			goto unlock_exit;
> > -		}
> > -	} else {
> > -		vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET;
> > -	}
> > -
> > -	*type = vdpa_type;
> > +	*type = vdpa_dev->vdpa_device_type;
> >
> >  unlock_exit:
> >  	pthread_mutex_unlock(&vhost_user.mutex);
> > diff --git a/lib/vhost/vdpa.c b/lib/vhost/vdpa.c index
> > bb82857..b487f4d 100644
> > --- a/lib/vhost/vdpa.c
> > +++ b/lib/vhost/vdpa.c
> > @@ -73,6 +73,8 @@ struct rte_vdpa_device *
> >  		struct rte_vdpa_dev_ops *ops)
> >  {
> >  	struct rte_vdpa_device *dev;
> > +	uint32_t vdpa_type = -1;
> > +	int ret = 0;
> >
> >  	if (ops == NULL)
> >  		return NULL;
> > @@ -101,6 +103,21 @@ struct rte_vdpa_device *
> >
> >  	dev->device = rte_dev;
> >  	dev->ops = ops;
> > +
> > +	if (ops->get_dev_type) {
> > +		ret = ops->get_dev_type(dev, &vdpa_type);
> > +		if (ret) {
> > +			VHOST_LOG_CONFIG(rte_dev->name, ERR,
> > +					 "Failed to get vdpa dev type.\n");
> > +			ret = -1;
> > +			goto out_unlock;
> > +		}
> > +	} else {
> > +		/** by default, we assume vdpa device is a net device */
> > +		vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET;
> > +	}
> > +	dev->vdpa_device_type = vdpa_type;
> > +
> >  	TAILQ_INSERT_TAIL(&vdpa_device_list, dev, next);
> >  out_unlock:
> >  	rte_spinlock_unlock(&vdpa_device_list_lock);
> > diff --git a/lib/vhost/vdpa_driver.h b/lib/vhost/vdpa_driver.h index
> > 8b88a53..c4ec222 100644
> > --- a/lib/vhost/vdpa_driver.h
> > +++ b/lib/vhost/vdpa_driver.h
> > @@ -92,6 +92,8 @@ struct rte_vdpa_device {
> >  	struct rte_device *device;
> >  	/** vdpa device operations */
> >  	struct rte_vdpa_dev_ops *ops;
> > +	/** vdpa device type: net, blk... */
> > +	uint32_t vdpa_device_type;
> >  };
> >
> >  /**
> > --
> > 1.8.3.1
> 
> Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
  

Patch

diff --git a/lib/vhost/socket.c b/lib/vhost/socket.c
index 608ae57..f768114 100644
--- a/lib/vhost/socket.c
+++ b/lib/vhost/socket.c
@@ -627,7 +627,6 @@  struct rte_vdpa_device *
 {
 	struct vhost_user_socket *vsocket;
 	struct rte_vdpa_device *vdpa_dev;
-	uint32_t vdpa_type = 0;
 	int ret = 0;
 
 	pthread_mutex_lock(&vhost_user.mutex);
@@ -644,19 +643,7 @@  struct rte_vdpa_device *
 		goto unlock_exit;
 	}
 
-	if (vdpa_dev->ops->get_dev_type) {
-		ret = vdpa_dev->ops->get_dev_type(vdpa_dev, &vdpa_type);
-		if (ret) {
-			VHOST_LOG_CONFIG(path, ERR,
-				"failed to get vdpa dev type for socket file.\n");
-			ret = -1;
-			goto unlock_exit;
-		}
-	} else {
-		vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET;
-	}
-
-	*type = vdpa_type;
+	*type = vdpa_dev->vdpa_device_type;
 
 unlock_exit:
 	pthread_mutex_unlock(&vhost_user.mutex);
diff --git a/lib/vhost/vdpa.c b/lib/vhost/vdpa.c
index bb82857..b487f4d 100644
--- a/lib/vhost/vdpa.c
+++ b/lib/vhost/vdpa.c
@@ -73,6 +73,8 @@  struct rte_vdpa_device *
 		struct rte_vdpa_dev_ops *ops)
 {
 	struct rte_vdpa_device *dev;
+	uint32_t vdpa_type = -1;
+	int ret = 0;
 
 	if (ops == NULL)
 		return NULL;
@@ -101,6 +103,21 @@  struct rte_vdpa_device *
 
 	dev->device = rte_dev;
 	dev->ops = ops;
+
+	if (ops->get_dev_type) {
+		ret = ops->get_dev_type(dev, &vdpa_type);
+		if (ret) {
+			VHOST_LOG_CONFIG(rte_dev->name, ERR,
+					 "Failed to get vdpa dev type.\n");
+			ret = -1;
+			goto out_unlock;
+		}
+	} else {
+		/** by default, we assume vdpa device is a net device */
+		vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET;
+	}
+	dev->vdpa_device_type = vdpa_type;
+
 	TAILQ_INSERT_TAIL(&vdpa_device_list, dev, next);
 out_unlock:
 	rte_spinlock_unlock(&vdpa_device_list_lock);
diff --git a/lib/vhost/vdpa_driver.h b/lib/vhost/vdpa_driver.h
index 8b88a53..c4ec222 100644
--- a/lib/vhost/vdpa_driver.h
+++ b/lib/vhost/vdpa_driver.h
@@ -92,6 +92,8 @@  struct rte_vdpa_device {
 	struct rte_device *device;
 	/** vdpa device operations */
 	struct rte_vdpa_dev_ops *ops;
+	/** vdpa device type: net, blk... */
+	uint32_t vdpa_device_type;
 };
 
 /**