summaryrefslogtreecommitdiffstats
path: root/include/xen/interface/physdev.h
diff options
context:
space:
mode:
authorPaul Moore <pmoore@redhat.com>2014-06-17 17:30:23 -0400
committerPaul Moore <pmoore@redhat.com>2014-06-17 17:30:23 -0400
commit170b5910d9fbea79de1bb40df22eda5f98250c0c (patch)
treeca9560e878d2842d45c6f99077d0d8b8f8b0f9ba /include/xen/interface/physdev.h
parent47dd0b76ace953bd2c0479076db0d3e3b9594003 (diff)
parent1860e379875dfe7271c649058aeddffe5afd9d0d (diff)
Merge tag 'v3.15' into next
Linux 3.15
Diffstat (limited to 'include/xen/interface/physdev.h')
-rw-r--r--include/xen/interface/physdev.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/xen/interface/physdev.h b/include/xen/interface/physdev.h
index 42721d13a10..610dba9b620 100644
--- a/include/xen/interface/physdev.h
+++ b/include/xen/interface/physdev.h
@@ -131,6 +131,7 @@ struct physdev_irq {
#define MAP_PIRQ_TYPE_GSI 0x1
#define MAP_PIRQ_TYPE_UNKNOWN 0x2
#define MAP_PIRQ_TYPE_MSI_SEG 0x3
+#define MAP_PIRQ_TYPE_MULTI_MSI 0x4
#define PHYSDEVOP_map_pirq 13
struct physdev_map_pirq {
@@ -141,11 +142,16 @@ struct physdev_map_pirq {
int index;
/* IN or OUT */
int pirq;
- /* IN - high 16 bits hold segment for MAP_PIRQ_TYPE_MSI_SEG */
+ /* IN - high 16 bits hold segment for ..._MSI_SEG and ..._MULTI_MSI */
int bus;
/* IN */
int devfn;
- /* IN */
+ /* IN
+ * - For MSI-X contains entry number.
+ * - For MSI with ..._MULTI_MSI contains number of vectors.
+ * OUT (..._MULTI_MSI only)
+ * - Number of vectors allocated.
+ */
int entry_nr;
/* IN */
uint64_t table_base;