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pds_vdpa: fix up debugfs feature bit printing

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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);