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-rw-r--r--include/linux/msi.h13
1 files changed, 8 insertions, 5 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h
index d2b8a1e8ca1..6991ab5b24d 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -20,20 +20,23 @@ extern void write_msi_msg(unsigned int irq, struct msi_msg *msg);
20 20
21struct msi_desc { 21struct msi_desc {
22 struct { 22 struct {
23 __u8 type : 5; /* {0: unused, 5h:MSI, 11h:MSI-X} */ 23 __u8 is_msix : 1;
24 __u8 multiple: 3; /* log2 number of messages */
24 __u8 maskbit : 1; /* mask-pending bit supported ? */ 25 __u8 maskbit : 1; /* mask-pending bit supported ? */
25 __u8 masked : 1;
26 __u8 is_64 : 1; /* Address size: 0=32bit 1=64bit */ 26 __u8 is_64 : 1; /* Address size: 0=32bit 1=64bit */
27 __u8 pos; /* Location of the msi capability */ 27 __u8 pos; /* Location of the msi capability */
28 __u32 maskbits_mask; /* mask bits mask */
29 __u16 entry_nr; /* specific enabled entry */ 28 __u16 entry_nr; /* specific enabled entry */
30 unsigned default_irq; /* default pre-assigned irq */ 29 unsigned default_irq; /* default pre-assigned irq */
31 }msi_attrib; 30 } msi_attrib;
32 31
32 u32 masked; /* mask bits */
33 unsigned int irq; 33 unsigned int irq;
34 struct list_head list; 34 struct list_head list;
35 35
36 void __iomem *mask_base; 36 union {
37 void __iomem *mask_base;
38 u8 mask_pos;
39 };
37 struct pci_dev *dev; 40 struct pci_dev *dev;
38 41
39 /* Last set MSI message */ 42 /* Last set MSI message */