lkml.org 
[lkml]   [2021]   [Apr]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH V2 3/3] vDPA/ifcvf: get_config_size should return dev specific config size
Date
get_config_size() should return the size based on the decected
device type.

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
---
drivers/vdpa/ifcvf/ifcvf_main.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index cea1313b1a3f..6844c49fe1de 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -347,7 +347,23 @@ static u32 ifcvf_vdpa_get_vq_align(struct vdpa_device *vdpa_dev)

static size_t ifcvf_vdpa_get_config_size(struct vdpa_device *vdpa_dev)
{
- return sizeof(struct virtio_net_config);
+ struct ifcvf_adapter *adapter = vdpa_to_adapter(vdpa_dev);
+ struct ifcvf_hw *vf = vdpa_to_vf(vdpa_dev);
+ struct pci_dev *pdev = adapter->pdev;
+ size_t size;
+
+ if (vf->dev_type == VIRTIO_ID_NET)
+ size = sizeof(struct virtio_net_config);
+
+ else if (vf->dev_type == VIRTIO_ID_BLOCK)
+ size = sizeof(struct virtio_blk_config);
+
+ else {
+ size = 0;
+ IFCVF_ERR(pdev, "VIRTIO ID %u not supported\n", vf->dev_type);
+ }
+
+ return size;
}

static void ifcvf_vdpa_get_config(struct vdpa_device *vdpa_dev,
--
2.27.0
\
 
 \ /
  Last update: 2021-04-15 12:01    [W:0.080 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site