Re: [PATCH 3/5] vdpa/mlx5: Retrieve BAR address suitable any function

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在 2021/4/8 下午5:10, Eli Cohen 写道:
struct mlx5_core_dev has a bar_addr field that contains the correct bar
address for the function regardless of whether it is pci function or sub
function. Use it.

Fixes: 1958fc2f0712 ("net/mlx5: SF, Add auxiliary device driver")
Signed-off-by: Eli Cohen <elic@xxxxxxxxxx>
Reviewed-by: Parav Pandit <parav@xxxxxxxxxx>


Acked-by: Jason Wang <jasowang@xxxxxxxxxx>


---
  drivers/vdpa/mlx5/core/resources.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/vdpa/mlx5/core/resources.c b/drivers/vdpa/mlx5/core/resources.c
index 96e6421c5d1c..6521cbd0f5c2 100644
--- a/drivers/vdpa/mlx5/core/resources.c
+++ b/drivers/vdpa/mlx5/core/resources.c
@@ -246,7 +246,8 @@ int mlx5_vdpa_alloc_resources(struct mlx5_vdpa_dev *mvdev)
  	if (err)
  		goto err_key;
- kick_addr = pci_resource_start(mdev->pdev, 0) + offset;
+	kick_addr = mdev->bar_addr + offset;
+
  	res->kick_addr = ioremap(kick_addr, PAGE_SIZE);
  	if (!res->kick_addr) {
  		err = -ENOMEM;

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