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| author |   Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2010-06-24 16:42:04 +0100 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2010-10-22 21:25:41 +0100 |
| commit | 42a1de56f35a9c87932f45439dc1b09c8da0cc95 (patch) | |
| tree | 4be6a92222ef2efabd1705cd6b3adb7832f7f9a9 /include/xen/interface/physdev.h | |
| parent | xen: get the maximum number of pirqs from xen (diff) | |
| download | linux-dev-42a1de56f35a9c87932f45439dc1b09c8da0cc95.tar.xz linux-dev-42a1de56f35a9c87932f45439dc1b09c8da0cc95.zip | |
xen: implement xen_hvm_register_pirq
xen_hvm_register_pirq allows the kernel to map a GSI into a Xen pirq and
receive the interrupt as an event channel from that point on.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'include/xen/interface/physdev.h')
| -rw-r--r-- | include/xen/interface/physdev.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/xen/interface/physdev.h b/include/xen/interface/physdev.h index fbb58833f13e..69a72b96a6cb 100644 --- a/include/xen/interface/physdev.h +++ b/include/xen/interface/physdev.h @@ -106,6 +106,36 @@ struct physdev_irq { uint32_t vector; }; +#define MAP_PIRQ_TYPE_MSI 0x0 +#define MAP_PIRQ_TYPE_GSI 0x1 +#define MAP_PIRQ_TYPE_UNKNOWN 0x2 + +#define PHYSDEVOP_map_pirq 13 +struct physdev_map_pirq { + domid_t domid; + /* IN */ + int type; + /* IN */ + int index; + /* IN or OUT */ + int pirq; + /* IN */ + int bus; + /* IN */ + int devfn; + /* IN */ + int entry_nr; + /* IN */ + uint64_t table_base; +}; + +#define PHYSDEVOP_unmap_pirq 14 +struct physdev_unmap_pirq { + domid_t domid; + /* IN */ + int pirq; +}; + /* * Argument to physdev_op_compat() hypercall. Superceded by new physdev_op() * hypercall since 0x00030202. |