struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar) { if (!vdev) { vdev = kzalloc(sizeof(struct vnic_dev), GFP_ATOMIC); if (!vdev) return NULL; } vdev->priv = priv; vdev->pdev = pdev; if (vnic_dev_discover_res(vdev, bar)) goto err_out; vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0); if (!vdev->devcmd) goto err_out; vdev->cap_flags = 0; if (vnic_dev_capable(vdev, CMD_INIT)) vdev->cap_flags |= VNIC_DEV_CAP_INIT; return vdev; err_out: vnic_dev_unregister(vdev); return NULL; }
struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar) { if (!vdev) { vdev = kzalloc(sizeof(struct vnic_dev), GFP_KERNEL); if (!vdev) return NULL; } vdev->priv = priv; vdev->pdev = pdev; if (vnic_dev_discover_res(vdev, bar)) goto err_out; vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0); if (!vdev->devcmd) goto err_out; return vdev; err_out: vnic_dev_unregister(vdev); return NULL; }
struct vnic_dev *vnic_dev_alloc_discover(struct vnic_dev *vdev, void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar, unsigned int num_bars) { if (!vdev) { vdev = kzalloc(sizeof(struct vnic_dev), GFP_ATOMIC); if (!vdev) return NULL; } vdev->priv = priv; vdev->pdev = pdev; if (vnic_dev_discover_res(vdev, bar, num_bars)) goto err_out; return vdev; err_out: vnic_dev_unregister(vdev); return NULL; }