Re: [PATCH 3/5] vdpa/mlx5: Retrieve BAR address suitable any function
From: Jason Wang <jasowang@redhat.com>
Date: 2021-04-08 09:45:38
Also in:
stable, virtualization
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 <redacted>
Reviewed-by: Parav Pandit <redacted>Acked-by: Jason Wang <jasowang@redhat.com>
quoted hunk ↗ jump to hunk
--- 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;