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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 d2b8a1e..6991ab5 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);
struct msi_desc {
struct {
- __u8 type : 5; /* {0: unused, 5h:MSI, 11h:MSI-X} */
+ __u8 is_msix : 1;
+ __u8 multiple: 3; /* log2 number of messages */
__u8 maskbit : 1; /* mask-pending bit supported ? */
- __u8 masked : 1;
__u8 is_64 : 1; /* Address size: 0=32bit 1=64bit */
__u8 pos; /* Location of the msi capability */
- __u32 maskbits_mask; /* mask bits mask */
__u16 entry_nr; /* specific enabled entry */
unsigned default_irq; /* default pre-assigned irq */
- }msi_attrib;
+ } msi_attrib;
+ u32 masked; /* mask bits */
unsigned int irq;
struct list_head list;
- void __iomem *mask_base;
+ union {
+ void __iomem *mask_base;
+ u8 mask_pos;
+ };
struct pci_dev *dev;
/* Last set MSI message */
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