linuxkpi: Add `pci_dev_is_disconnected()`

For now, it is an empty stub that always return false. On Linux, it
looks at an internal error state of the device to determine if it is
disconnected.

The amdgpu DRM driver started this in Linux 6.12.x.

Reviewed by:	bz
Sponsored by:	The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D56582

1 files changed, 7 insertions, 0 deletions

diff --git a/sys/compat/linuxkpi/common/include/linux/pci.h b/sys/compat/linuxkpi/common/include/linux/pci.h
index ba68a9ee0dc3..5cd87ff091bc 100644
--- a/sys/compat/linuxkpi/common/include/linux/pci.h
+++ b/sys/compat/linuxkpi/common/include/linux/pci.h
@@ -1333,6 +1333,13 @@ pci_dev_present(const struct pci_device_id *cur)
 	return (0);
 }
 
+static inline bool
+pci_dev_is_disconnected(const struct pci_dev *pdev)
+{
+	pr_debug("TODO: %s\n", __func__);
+	return (false);
+}
+
 static inline const struct pci_device_id *
 pci_match_id(const struct pci_device_id *ids, struct pci_dev *pdev)
 {