diff mbox series

[v2,virtio,5/5] pds_vdpa: fix up debugfs feature bit printing

Message ID 20230711042437.69381-6-shannon.nelson@amd.com (mailing list archive)
State Not Applicable
Headers show
Series pds_vdpa: mac, reset, and irq updates | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch

Commit Message

Nelson, Shannon July 11, 2023, 4:24 a.m. UTC
Make clearer in debugfs output the difference between the hw
feature bits, the features supported through the driver, and
the features that have been negotiated.

Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
---
 drivers/vdpa/pds/debugfs.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

Comments

Jason Wang July 13, 2023, 5:09 a.m. UTC | #1
On Tue, Jul 11, 2023 at 12:25 PM Shannon Nelson <shannon.nelson@amd.com> wrote:
>
> Make clearer in debugfs output the difference between the hw
> feature bits, the features supported through the driver, and
> the features that have been negotiated.
>
> Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>

Acked-by: Jason Wang <jasowang@redhat.com>

Thanks

> ---
>  drivers/vdpa/pds/debugfs.c | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/vdpa/pds/debugfs.c b/drivers/vdpa/pds/debugfs.c
> index 754ccb7a6666..9b04aad6ec35 100644
> --- a/drivers/vdpa/pds/debugfs.c
> +++ b/drivers/vdpa/pds/debugfs.c
> @@ -176,6 +176,7 @@ static int identity_show(struct seq_file *seq, void *v)
>  {
>         struct pds_vdpa_aux *vdpa_aux = seq->private;
>         struct vdpa_mgmt_dev *mgmt;
> +       u64 hw_features;
>
>         seq_printf(seq, "aux_dev:            %s\n",
>                    dev_name(&vdpa_aux->padev->aux_dev.dev));
> @@ -183,8 +184,9 @@ static int identity_show(struct seq_file *seq, void *v)
>         mgmt = &vdpa_aux->vdpa_mdev;
>         seq_printf(seq, "max_vqs:            %d\n", mgmt->max_supported_vqs);
>         seq_printf(seq, "config_attr_mask:   %#llx\n", mgmt->config_attr_mask);
> -       seq_printf(seq, "supported_features: %#llx\n", mgmt->supported_features);
> -       print_feature_bits_all(seq, mgmt->supported_features);
> +       hw_features = le64_to_cpu(vdpa_aux->ident.hw_features);
> +       seq_printf(seq, "hw_features:        %#llx\n", hw_features);
> +       print_feature_bits_all(seq, hw_features);
>
>         return 0;
>  }
> @@ -200,7 +202,6 @@ static int config_show(struct seq_file *seq, void *v)
>  {
>         struct pds_vdpa_device *pdsv = seq->private;
>         struct virtio_net_config vc;
> -       u64 driver_features;
>         u8 status;
>
>         memcpy_fromio(&vc, pdsv->vdpa_aux->vd_mdev.device,
> @@ -223,10 +224,8 @@ static int config_show(struct seq_file *seq, void *v)
>         status = vp_modern_get_status(&pdsv->vdpa_aux->vd_mdev);
>         seq_printf(seq, "dev_status:           %#x\n", status);
>         print_status_bits(seq, status);
> -
> -       driver_features = vp_modern_get_driver_features(&pdsv->vdpa_aux->vd_mdev);
> -       seq_printf(seq, "driver_features:      %#llx\n", driver_features);
> -       print_feature_bits_all(seq, driver_features);
> +       seq_printf(seq, "negotiated_features:  %#llx\n", pdsv->negotiated_features);
> +       print_feature_bits_all(seq, pdsv->negotiated_features);
>         seq_printf(seq, "vdpa_index:           %d\n", pdsv->vdpa_index);
>         seq_printf(seq, "num_vqs:              %d\n", pdsv->num_vqs);
>
> --
> 2.17.1
>
diff mbox series

Patch

diff --git a/drivers/vdpa/pds/debugfs.c b/drivers/vdpa/pds/debugfs.c
index 754ccb7a6666..9b04aad6ec35 100644
--- a/drivers/vdpa/pds/debugfs.c
+++ b/drivers/vdpa/pds/debugfs.c
@@ -176,6 +176,7 @@  static int identity_show(struct seq_file *seq, void *v)
 {
 	struct pds_vdpa_aux *vdpa_aux = seq->private;
 	struct vdpa_mgmt_dev *mgmt;
+	u64 hw_features;
 
 	seq_printf(seq, "aux_dev:            %s\n",
 		   dev_name(&vdpa_aux->padev->aux_dev.dev));
@@ -183,8 +184,9 @@  static int identity_show(struct seq_file *seq, void *v)
 	mgmt = &vdpa_aux->vdpa_mdev;
 	seq_printf(seq, "max_vqs:            %d\n", mgmt->max_supported_vqs);
 	seq_printf(seq, "config_attr_mask:   %#llx\n", mgmt->config_attr_mask);
-	seq_printf(seq, "supported_features: %#llx\n", mgmt->supported_features);
-	print_feature_bits_all(seq, mgmt->supported_features);
+	hw_features = le64_to_cpu(vdpa_aux->ident.hw_features);
+	seq_printf(seq, "hw_features:        %#llx\n", hw_features);
+	print_feature_bits_all(seq, hw_features);
 
 	return 0;
 }
@@ -200,7 +202,6 @@  static int config_show(struct seq_file *seq, void *v)
 {
 	struct pds_vdpa_device *pdsv = seq->private;
 	struct virtio_net_config vc;
-	u64 driver_features;
 	u8 status;
 
 	memcpy_fromio(&vc, pdsv->vdpa_aux->vd_mdev.device,
@@ -223,10 +224,8 @@  static int config_show(struct seq_file *seq, void *v)
 	status = vp_modern_get_status(&pdsv->vdpa_aux->vd_mdev);
 	seq_printf(seq, "dev_status:           %#x\n", status);
 	print_status_bits(seq, status);
-
-	driver_features = vp_modern_get_driver_features(&pdsv->vdpa_aux->vd_mdev);
-	seq_printf(seq, "driver_features:      %#llx\n", driver_features);
-	print_feature_bits_all(seq, driver_features);
+	seq_printf(seq, "negotiated_features:  %#llx\n", pdsv->negotiated_features);
+	print_feature_bits_all(seq, pdsv->negotiated_features);
 	seq_printf(seq, "vdpa_index:           %d\n", pdsv->vdpa_index);
 	seq_printf(seq, "num_vqs:              %d\n", pdsv->num_vqs);