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[PATCH 1/9] vpci: Make vpci registers removal a dedicated function



From: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>

This is in preparation for dynamic assignment of the vpci register
handlers depending on the domain: hwdom or guest.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
---
 xen/drivers/vpci/vpci.c | 7 ++++++-
 xen/include/xen/vpci.h  | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/xen/drivers/vpci/vpci.c b/xen/drivers/vpci/vpci.c
index cbd1bac7fc33..b05530f2a6b0 100644
--- a/xen/drivers/vpci/vpci.c
+++ b/xen/drivers/vpci/vpci.c
@@ -35,7 +35,7 @@ extern vpci_register_init_t *const __start_vpci_array[];
 extern vpci_register_init_t *const __end_vpci_array[];
 #define NUM_VPCI_INIT (__end_vpci_array - __start_vpci_array)
 
-void vpci_remove_device(struct pci_dev *pdev)
+void vpci_remove_device_registers(struct pci_dev *pdev)
 {
     spin_lock(&pdev->vpci->lock);
     while ( !list_empty(&pdev->vpci->handlers) )
@@ -48,6 +48,11 @@ void vpci_remove_device(struct pci_dev *pdev)
         xfree(r);
     }
     spin_unlock(&pdev->vpci->lock);
+}
+
+void vpci_remove_device(struct pci_dev *pdev)
+{
+    vpci_remove_device_registers(pdev);
     xfree(pdev->vpci->msix);
     xfree(pdev->vpci->msi);
     xfree(pdev->vpci);
diff --git a/xen/include/xen/vpci.h b/xen/include/xen/vpci.h
index 9f5b5d52e159..b861f438cc78 100644
--- a/xen/include/xen/vpci.h
+++ b/xen/include/xen/vpci.h
@@ -28,6 +28,8 @@ int __must_check vpci_add_handlers(struct pci_dev *dev);
 
 /* Remove all handlers and free vpci related structures. */
 void vpci_remove_device(struct pci_dev *pdev);
+/* Remove all handlers for the device given. */
+void vpci_remove_device_registers(struct pci_dev *pdev);
 
 /* Add/remove a register handler. */
 int __must_check vpci_add_register(struct vpci *vpci,
-- 
2.25.1




 


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