vDPA/ifcvf: record virtio notify base

This commit records virtio notify base addr to implemente doorbell mapping feature Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
0day-ci · Apr 28, 2021 · 79474dc · 79474dc
1 parent acd3d28
commit 79474dc
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diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c
@@ -133,6 +133,7 @@ int ifcvf_init_hw(struct ifcvf_hw *hw, struct pci_dev *pdev)
 					      &hw->notify_off_multiplier);
 			hw->notify_bar = cap.bar;
 			hw->notify_base = get_cap_addr(hw, &cap);
+			hw->notify_pa = pci_resource_start(pdev, cap.bar) + cap.offset;
 			IFCVF_DBG(pdev, "hw->notify_base = %p\n",
 				  hw->notify_base);
 			break;

diff --git a/drivers/vdpa/ifcvf/ifcvf_base.h b/drivers/vdpa/ifcvf/ifcvf_base.h
@@ -85,6 +85,7 @@ struct ifcvf_hw {
 	char config_msix_name[256];
 	struct vdpa_callback config_cb;
 	unsigned int config_irq;
+	phys_addr_t  notify_pa;
 };
 
 struct ifcvf_adapter {