[dpdk-dev] [PATCH] [v2] vdpa/ifc: increase readability in function

[dpdk-dev] [PATCH] [v2] vdpa/ifc: increase readability in function

[jilei chen]

Optimize several parameters form order to better readability

Signed-off-by: jilei chen <chenjilei@cmss.chinamobile.com>
---
v2:
* Concise subject of the patch
* Optimize function parameters
---
 drivers/vdpa/ifc/ifcvf_vdpa.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c
index 1dc813d0a3..365da2a8b9 100644
--- a/drivers/vdpa/ifc/ifcvf_vdpa.c
+++ b/drivers/vdpa/ifc/ifcvf_vdpa.c
@@ -182,7 +182,7 @@ ifcvf_vfio_setup(struct ifcvf_internal *internal)
 }
 
 static int
-ifcvf_dma_map(struct ifcvf_internal *internal, int do_map)
+ifcvf_dma_map(struct ifcvf_internal *internal, bool do_map)
 {
 	uint32_t i;
 	int ret;
@@ -538,11 +538,11 @@ update_datapath(struct ifcvf_internal *internal)
 	if (!rte_atomic32_read(&internal->running) &&
 	    (rte_atomic32_read(&internal->started) &&
 	     rte_atomic32_read(&internal->dev_attached))) {
-		ret = ifcvf_dma_map(internal, 1);
+		ret = ifcvf_dma_map(internal, true);
 		if (ret)
 			goto err;
 
-		ret = vdpa_enable_vfio_intr(internal, 0);
+		ret = vdpa_enable_vfio_intr(internal, false);
 		if (ret)
 			goto err;
 
@@ -568,7 +568,7 @@ update_datapath(struct ifcvf_internal *internal)
 		if (ret)
 			goto err;
 
-		ret = ifcvf_dma_map(internal, 0);
+		ret = ifcvf_dma_map(internal, false);
 		if (ret)
 			goto err;
 
@@ -850,7 +850,7 @@ ifcvf_sw_fallback_switchover(struct ifcvf_internal *internal)
 		goto error;
 
 	/* set up interrupt for interrupt relay */
-	ret = vdpa_enable_vfio_intr(internal, 1);
+	ret = vdpa_enable_vfio_intr(internal, true);
 	if (ret)
 		goto unmap;
 
@@ -875,7 +875,7 @@ ifcvf_sw_fallback_switchover(struct ifcvf_internal *internal)
 unset_intr:
 	vdpa_disable_vfio_intr(internal);
 unmap:
-	ifcvf_dma_map(internal, 0);
+	ifcvf_dma_map(internal, false);
 error:
 	return -1;
 }
@@ -934,7 +934,7 @@ ifcvf_dev_close(int vid)
 		vdpa_disable_vfio_intr(internal);
 
 		/* unset DMA map for guest memory */
-		ifcvf_dma_map(internal, 0);
+		ifcvf_dma_map(internal, false);
 
 		internal->sw_fallback_running = false;
 	} else {
@@ -1130,7 +1130,7 @@ ifcvf_set_vring_state(int vid, int vring, int state)
 	}
 
 	if (state && !hw->vring[vring].enable) {
-		ret = vdpa_enable_vfio_intr(internal, 0);
+		ret = vdpa_enable_vfio_intr(internal, false);
 		if (ret)
 			return ret;
 	}
-- 
2.12.2

Re: [dpdk-dev] [PATCH] [v2] vdpa/ifc: increase readability in function

[Wang, Xiao W]

Hi,

> -----Original Message-----
> From: jilei chen <chenjilei@cmss.chinamobile.com>
> Sent: Monday, September 27, 2021 4:12 PM
> To: Wang, Xiao W <xiao.w.wang@intel.com>
> Cc: dev@dpdk.org
> Subject: [PATCH] [v2] vdpa/ifc: increase readability in function
> 
> Optimize several parameters form order to better readability
To the best of my English knowledge, there's a grammar error here.

How about changing it to:
Use bool type for function's switch parameter, this could avoid passing "1" or "0"
which is not reader friendly.

BRs,
Xiao

> 
> Signed-off-by: jilei chen <chenjilei@cmss.chinamobile.com>
> ---
> v2:
> * Concise subject of the patch
> * Optimize function parameters
> ---
>  drivers/vdpa/ifc/ifcvf_vdpa.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c
> index 1dc813d0a3..365da2a8b9 100644
> --- a/drivers/vdpa/ifc/ifcvf_vdpa.c
> +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c
> @@ -182,7 +182,7 @@ ifcvf_vfio_setup(struct ifcvf_internal *internal)
>  }
> 
>  static int
> -ifcvf_dma_map(struct ifcvf_internal *internal, int do_map)
> +ifcvf_dma_map(struct ifcvf_internal *internal, bool do_map)
>  {
>  	uint32_t i;
>  	int ret;
> @@ -538,11 +538,11 @@ update_datapath(struct ifcvf_internal *internal)
>  	if (!rte_atomic32_read(&internal->running) &&
>  	    (rte_atomic32_read(&internal->started) &&
>  	     rte_atomic32_read(&internal->dev_attached))) {
> -		ret = ifcvf_dma_map(internal, 1);
> +		ret = ifcvf_dma_map(internal, true);
>  		if (ret)
>  			goto err;
> 
> -		ret = vdpa_enable_vfio_intr(internal, 0);
> +		ret = vdpa_enable_vfio_intr(internal, false);
>  		if (ret)
>  			goto err;
> 
> @@ -568,7 +568,7 @@ update_datapath(struct ifcvf_internal *internal)
>  		if (ret)
>  			goto err;
> 
> -		ret = ifcvf_dma_map(internal, 0);
> +		ret = ifcvf_dma_map(internal, false);
>  		if (ret)
>  			goto err;
> 
> @@ -850,7 +850,7 @@ ifcvf_sw_fallback_switchover(struct ifcvf_internal
> *internal)
>  		goto error;
> 
>  	/* set up interrupt for interrupt relay */
> -	ret = vdpa_enable_vfio_intr(internal, 1);
> +	ret = vdpa_enable_vfio_intr(internal, true);
>  	if (ret)
>  		goto unmap;
> 
> @@ -875,7 +875,7 @@ ifcvf_sw_fallback_switchover(struct ifcvf_internal
> *internal)
>  unset_intr:
>  	vdpa_disable_vfio_intr(internal);
>  unmap:
> -	ifcvf_dma_map(internal, 0);
> +	ifcvf_dma_map(internal, false);
>  error:
>  	return -1;
>  }
> @@ -934,7 +934,7 @@ ifcvf_dev_close(int vid)
>  		vdpa_disable_vfio_intr(internal);
> 
>  		/* unset DMA map for guest memory */
> -		ifcvf_dma_map(internal, 0);
> +		ifcvf_dma_map(internal, false);
> 
>  		internal->sw_fallback_running = false;
>  	} else {
> @@ -1130,7 +1130,7 @@ ifcvf_set_vring_state(int vid, int vring, int state)
>  	}
> 
>  	if (state && !hw->vring[vring].enable) {
> -		ret = vdpa_enable_vfio_intr(internal, 0);
> +		ret = vdpa_enable_vfio_intr(internal, false);
>  		if (ret)
>  			return ret;
>  	}
> --
> 2.12.2
> 
>