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-rw-r--r--include/linux/msi.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 00c501979ff1..3cb15866ffbf 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -557,7 +557,8 @@ enum {
MSI_FLAG_LEVEL_CAPABLE = (1 << 18),
/* MSI-X entries must be contiguous */
MSI_FLAG_MSIX_CONTIGUOUS = (1 << 19),
-
+ /* PCI/MSI-X vectors can be dynamically allocated/freed post MSI-X enable */
+ MSI_FLAG_PCI_MSIX_ALLOC_DYN = (1 << 20),
};
/**