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vDPA/ifcvf: enable Intel C5000X-PL virtio-block for vDPA

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This commit enabled Intel FPGA SmartNIC C5000X-PL virtio-block
for vDPA.

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210419063326.3748-3-lingshan.zhu@intel.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Zhu Lingshan 2021-04-19 14:33:25 +08:00 committed by Michael S. Tsirkin
parent 26bfea1309
commit 6ad31d162a
2 changed files with 25 additions and 2 deletions
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8
drivers/vdpa/ifcvf/ifcvf_base.h
View File

@ -15,6 +15,7 @@
#include <linux/pci_regs.h>
#include <linux/vdpa.h>
#include <uapi/linux/virtio_net.h>
#include <uapi/linux/virtio_blk.h>
#include <uapi/linux/virtio_config.h>
#include <uapi/linux/virtio_pci.h>
@ -28,7 +29,12 @@
#define C5000X_PL_SUBSYS_VENDOR_ID 0x8086
#define C5000X_PL_SUBSYS_DEVICE_ID 0x0001
#define IFCVF_SUPPORTED_FEATURES \
#define C5000X_PL_BLK_VENDOR_ID 0x1AF4
#define C5000X_PL_BLK_DEVICE_ID 0x1001
#define C5000X_PL_BLK_SUBSYS_VENDOR_ID 0x8086
#define C5000X_PL_BLK_SUBSYS_DEVICE_ID 0x0002
#define IFCVF_NET_SUPPORTED_FEATURES \
((1ULL << VIRTIO_NET_F_MAC) | \
(1ULL << VIRTIO_F_ANY_LAYOUT) | \
(1ULL << VIRTIO_F_VERSION_1) | \

19
drivers/vdpa/ifcvf/ifcvf_main.c
View File

@ -168,10 +168,23 @@ static struct ifcvf_hw *vdpa_to_vf(struct vdpa_device *vdpa_dev)
static u64 ifcvf_vdpa_get_features(struct vdpa_device *vdpa_dev)
{
struct ifcvf_adapter *adapter = vdpa_to_adapter(vdpa_dev);
struct ifcvf_hw *vf = vdpa_to_vf(vdpa_dev);
struct pci_dev *pdev = adapter->pdev;
u64 features;
features = ifcvf_get_features(vf) & IFCVF_SUPPORTED_FEATURES;
switch (vf->dev_type) {
case VIRTIO_ID_NET:
features = ifcvf_get_features(vf) & IFCVF_NET_SUPPORTED_FEATURES;
break;
case VIRTIO_ID_BLOCK:
features = ifcvf_get_features(vf);
break;
default:
features = 0;
IFCVF_ERR(pdev, "VIRTIO ID %u not supported\n", vf->dev_type);
}
return features;
}
@ -514,6 +527,10 @@ static struct pci_device_id ifcvf_pci_ids[] = {
C5000X_PL_DEVICE_ID,
C5000X_PL_SUBSYS_VENDOR_ID,
C5000X_PL_SUBSYS_DEVICE_ID) },
{ PCI_DEVICE_SUB(C5000X_PL_BLK_VENDOR_ID,
C5000X_PL_BLK_DEVICE_ID,
C5000X_PL_BLK_SUBSYS_VENDOR_ID,
C5000X_PL_BLK_SUBSYS_DEVICE_ID) },
{ 0 },
};