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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 92a2f991262a..8103f32f6d87 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -25,7 +25,8 @@ void write_msi_msg(unsigned int irq, struct msi_msg *msg);
struct msi_desc {
struct {
__u8 is_msix : 1;
- __u8 multiple: 3; /* log2 number of messages */
+ __u8 multiple: 3; /* log2 num of messages allocated */
+ __u8 multi_cap : 3; /* log2 num of messages supported */
__u8 maskbit : 1; /* mask-pending bit supported ? */
__u8 is_64 : 1; /* Address size: 0=32bit 1=64bit */
__u8 pos; /* Location of the msi capability */