diff options
Diffstat (limited to 'xen/include/public/physdev.h')
| -rw-r--r-- | xen/include/public/physdev.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/xen/include/public/physdev.h b/xen/include/public/physdev.h index db7e37af6f..d54792886d 100644 --- a/xen/include/public/physdev.h +++ b/xen/include/public/physdev.h @@ -151,21 +151,22 @@ DEFINE_XEN_GUEST_HANDLE(physdev_irq_t); #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 { domid_t domid; /* IN */ int type; - /* IN */ + /* IN (ignored for ..._MULTI_MSI) */ 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 (also OUT for ..._MULTI_MSI) */ int entry_nr; /* IN */ uint64_t table_base; |