From: Zhu Lingshan <lingshan.zhu@intel.com>
To: jasowang@redhat.com, mst@redhat.com
Cc: virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org,
Zhu Lingshan <lingshan.zhu@intel.com>
Subject: [PATCH 1/2] vDPA/ifcvf: record virtio notify base
Date: Wed, 28 Apr 2021 16:21:32 +0800 [thread overview]
Message-ID: <20210428082133.6766-2-lingshan.zhu@intel.com> (raw)
In-Reply-To: <20210428082133.6766-1-lingshan.zhu@intel.com>
This commit records virtio notify base addr to implemente
doorbell mapping feature
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
---
drivers/vdpa/ifcvf/ifcvf_base.c | 1 +
drivers/vdpa/ifcvf/ifcvf_base.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c
index 1a661ab45af5..cc61a5bfc5b1 100644
--- 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
index 0111bfdeb342..bcca7c1669dd 100644
--- a/drivers/vdpa/ifcvf/ifcvf_base.h
+++ b/drivers/vdpa/ifcvf/ifcvf_base.h
@@ -98,6 +98,7 @@ 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 {
--
2.27.0
next prev parent reply other threads:[~2021-04-28 8:27 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-28 8:21 [PATCH 0/2] vDPA/ifcvf: implement doorbell mapping feature Zhu Lingshan
2021-04-28 8:21 ` Zhu Lingshan [this message]
2021-04-28 8:39 ` [PATCH 1/2] vDPA/ifcvf: record virtio notify base Jason Wang
2021-04-28 10:00 ` Zhu, Lingshan
2021-04-28 10:09 ` Jason Wang
2021-04-28 10:18 ` Zhu, Lingshan
2021-04-28 11:48 ` kernel test robot
2021-04-28 8:21 ` [PATCH 2/2] vDPA/ifcvf: implement doorbell mapping for ifcvf Zhu Lingshan
2021-04-28 8:42 ` Jason Wang
2021-04-28 8:59 ` Zhu, Lingshan
2021-04-28 9:21 ` Jason Wang
2021-04-28 9:56 ` Zhu, Lingshan
2021-04-28 10:03 ` Jason Wang
2021-04-28 10:20 ` Zhu, Lingshan
2021-04-28 13:08 ` Jason Wang
2021-04-29 11:26 ` Zhu, Lingshan
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