[PATCH V4 mlx5-next 12/13] vfio/pci: Expose vfio_pci_aer_err_detected()

Yishai Hadas
2021-10-26T09:08:34Z

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@nvidia.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