netdev - [PATCH V3 mlx5-next 12/13] vfio/pci: Expose vfio_pci_aer_err

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Date:   Sun, 24 Oct 2021 11:30:18 +0300
From:   Yishai Hadas <yishaih@...dia.com>
To:     <alex.williamson@...hat.com>, <bhelgaas@...gle.com>,
        <jgg@...dia.com>, <saeedm@...dia.com>
CC:     <linux-pci@...r.kernel.org>, <kvm@...r.kernel.org>,
        <netdev@...r.kernel.org>, <kuba@...nel.org>, <leonro@...dia.com>,
        <kwankhede@...dia.com>, <mgurtovoy@...dia.com>,
        <yishaih@...dia.com>, <maorg@...dia.com>
Subject: [PATCH V3 mlx5-next 12/13] vfio/pci: Expose vfio_pci_aer_err_detected()

Expose vfio_pci_aer_err_detected() to be used by drivers as part of
their pci_error_handlers structure.

Next patch for mlx5 driver will use it.

Signed-off-by: Yishai Hadas <yishaih@...dia.com>
---
 drivers/vfio/pci/vfio_pci_core.c | 5 +++--
 include/linux/vfio_pci_core.h    | 2 ++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c
index e581a327f90d..0f4a50de913f 100644
--- a/drivers/vfio/pci/vfio_pci_core.c
+++ b/drivers/vfio/pci/vfio_pci_core.c
@@ -1901,8 +1901,8 @@ void vfio_pci_core_unregister_device(struct vfio_pci_core_device *vdev)
 }
 EXPORT_SYMBOL_GPL(vfio_pci_core_unregister_device);
 
-static pci_ers_result_t vfio_pci_aer_err_detected(struct pci_dev *pdev,
-						  pci_channel_state_t state)
+pci_ers_result_t vfio_pci_aer_err_detected(struct pci_dev *pdev,
+					   pci_channel_state_t state)
 {
 	struct vfio_pci_core_device *vdev;
 	struct vfio_device *device;
@@ -1924,6 +1924,7 @@ static pci_ers_result_t vfio_pci_aer_err_detected(struct pci_dev *pdev,
 
 	return PCI_ERS_RESULT_CAN_RECOVER;
 }
+EXPORT_SYMBOL_GPL(vfio_pci_aer_err_detected);
 
 int vfio_pci_core_sriov_configure(struct pci_dev *pdev, int nr_virtfn)
 {
diff --git a/include/linux/vfio_pci_core.h b/include/linux/vfio_pci_core.h
index ef9a44b6cf5d..768336b02fd6 100644
--- a/include/linux/vfio_pci_core.h
+++ b/include/linux/vfio_pci_core.h
@@ -230,6 +230,8 @@ int vfio_pci_core_match(struct vfio_device *core_vdev, char *buf);
 int vfio_pci_core_enable(struct vfio_pci_core_device *vdev);
 void vfio_pci_core_disable(struct vfio_pci_core_device *vdev);
 void vfio_pci_core_finish_enable(struct vfio_pci_core_device *vdev);
+pci_ers_result_t vfio_pci_aer_err_detected(struct pci_dev *pdev,
+					   pci_channel_state_t state);
 
 static inline bool vfio_pci_is_vga(struct pci_dev *pdev)
 {
-- 
2.18.1