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authorIngo Molnar <mingo@elte.hu>2009-04-21 10:46:39 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-21 10:46:54 +0200
commit8ecee4620e76aae418bfa0e8cc830e92cb559bbb (patch)
tree49a36784c0a26c8494a37087e37502101013b35d /include/linux/msi.h
parentx86: remove (null) in /sys kernel_page_tables (diff)
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 (diff)
Merge branch 'linus' into x86/mm
Merge reason: refresh the topic: there's been 290 non-merges commits upstream to arch/x86 alone. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/msi.h')
-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 d2b8a1e8ca11..6991ab5b24d1 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 */