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pds_vdpa: fix up debugfs feature bit printing 

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>
Message-Id: <20230711042437.69381-6-shannon.nelson@amd.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Shannon Nelson 2023-07-10 21:24:37 -07:00 committed by Michael S. Tsirkin
parent c0a6c5cbf1
commit 8efc365b20
1 changed files with 6 additions and 7 deletions
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13
drivers/vdpa/pds/debugfs.c
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@ -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);