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RDMA/efa: Reset device on probe failure

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[ Upstream commit 123c13f10ed3627ba112172d8bd122a72cae226d ]

Make sure the device is being reset on driver exit whatever the reason
is, to keep the device aligned and allow it to close shared resources
(e.g. admin queue).

Reviewed-by: Firas Jahjah <firasj@amazon.com>
Reviewed-by: Yonatan Nachum <ynachum@amazon.com>
Signed-off-by: Michael Margolin <mrgolin@amazon.com>
Link: https://patch.msgid.link/20241225131548.15155-1-mrgolin@amazon.com
Reviewed-by: Gal Pressman <gal.pressman@linux.dev>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Michael Margolin
2024-12-25 13:15:48 +00:00
committed by Greg Kroah-Hartman
parent ca2701997c
commit b9c5fb0739
1 changed files with 5 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/infiniband/hw/efa/efa_main.c
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@@ -452,7 +452,6 @@ static void efa_ib_device_remove(struct efa_dev *dev)
ibdev_info(&dev->ibdev, "Unregister ib device\n"); ibdev_info(&dev->ibdev, "Unregister ib device\n");
ib_unregister_device(&dev->ibdev); ib_unregister_device(&dev->ibdev);
efa_destroy_eqs(dev); efa_destroy_eqs(dev);
efa_com_dev_reset(&dev->edev, EFA_REGS_RESET_NORMAL);
efa_release_doorbell_bar(dev); efa_release_doorbell_bar(dev);
} }
@@ -623,12 +622,14 @@ err_disable_device:
return ERR_PTR(err); return ERR_PTR(err);
} }
static void efa_remove_device(struct pci_dev *pdev) static void efa_remove_device(struct pci_dev *pdev,
enum efa_regs_reset_reason_types reset_reason)
{ {
struct efa_dev *dev = pci_get_drvdata(pdev); struct efa_dev *dev = pci_get_drvdata(pdev);
struct efa_com_dev *edev; struct efa_com_dev *edev;
edev = &dev->edev; edev = &dev->edev;
efa_com_dev_reset(edev, reset_reason);
efa_com_admin_destroy(edev); efa_com_admin_destroy(edev);
efa_free_irq(dev, &dev->admin_irq); efa_free_irq(dev, &dev->admin_irq);
efa_disable_msix(dev); efa_disable_msix(dev);
@@ -656,7 +657,7 @@ static int efa_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return 0; return 0;
err_remove_device: err_remove_device:
efa_remove_device(pdev); efa_remove_device(pdev, EFA_REGS_RESET_INIT_ERR);
return err; return err;
} }
@@ -665,7 +666,7 @@ static void efa_remove(struct pci_dev *pdev)
struct efa_dev *dev = pci_get_drvdata(pdev); struct efa_dev *dev = pci_get_drvdata(pdev);
efa_ib_device_remove(dev); efa_ib_device_remove(dev);
efa_remove_device(pdev); efa_remove_device(pdev, EFA_REGS_RESET_NORMAL);
} }
static struct pci_driver efa_pci_driver = { static struct pci_driver efa_pci_driver = {