Message ID | 20190301093949.27955-2-cohuck@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | vfio-ccw: support hsch/csch (QEMU part) | expand |
On 3/1/19 4:39 AM, Cornelia Huck wrote: > To be replaced with a real linux-headers update. > > Signed-off-by: Cornelia Huck <cohuck@redhat.com> This looks straightforward. Reviewed-by: Eric Farman <farman@linux.ibm.com> > --- > linux-headers/linux/vfio.h | 4 ++++ > linux-headers/linux/vfio_ccw.h | 12 ++++++++++++ > 2 files changed, 16 insertions(+) > > diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h > index 12a7b1dc53c8..24f505199f83 100644 > --- a/linux-headers/linux/vfio.h > +++ b/linux-headers/linux/vfio.h > @@ -353,6 +353,10 @@ struct vfio_region_gfx_edid { > #define VFIO_DEVICE_GFX_LINK_STATE_DOWN 2 > }; > > +#define VFIO_REGION_TYPE_CCW (2) > +/* ccw sub-types */ > +#define VFIO_REGION_SUBTYPE_CCW_ASYNC_CMD (1) > + > /* > * 10de vendor sub-type > * > diff --git a/linux-headers/linux/vfio_ccw.h b/linux-headers/linux/vfio_ccw.h > index 5bf96c3812d2..fcc3e69ef526 100644 > --- a/linux-headers/linux/vfio_ccw.h > +++ b/linux-headers/linux/vfio_ccw.h > @@ -12,6 +12,7 @@ > > #include <linux/types.h> > > +/* used for START SUBCHANNEL, always present */ > struct ccw_io_region { > #define ORB_AREA_SIZE 12 > __u8 orb_area[ORB_AREA_SIZE]; > @@ -22,4 +23,15 @@ struct ccw_io_region { > __u32 ret_code; > } __attribute__((packed)); > > +/* > + * used for processing commands that trigger asynchronous actions > + * Note: this is controlled by a capability > + */ > +#define VFIO_CCW_ASYNC_CMD_HSCH (1 << 0) > +#define VFIO_CCW_ASYNC_CMD_CSCH (1 << 1) > +struct ccw_cmd_region { > + __u32 command; > + __u32 ret_code; > +} __attribute__((packed)); > + > #endif >
diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h index 12a7b1dc53c8..24f505199f83 100644 --- a/linux-headers/linux/vfio.h +++ b/linux-headers/linux/vfio.h @@ -353,6 +353,10 @@ struct vfio_region_gfx_edid { #define VFIO_DEVICE_GFX_LINK_STATE_DOWN 2 }; +#define VFIO_REGION_TYPE_CCW (2) +/* ccw sub-types */ +#define VFIO_REGION_SUBTYPE_CCW_ASYNC_CMD (1) + /* * 10de vendor sub-type * diff --git a/linux-headers/linux/vfio_ccw.h b/linux-headers/linux/vfio_ccw.h index 5bf96c3812d2..fcc3e69ef526 100644 --- a/linux-headers/linux/vfio_ccw.h +++ b/linux-headers/linux/vfio_ccw.h @@ -12,6 +12,7 @@ #include <linux/types.h> +/* used for START SUBCHANNEL, always present */ struct ccw_io_region { #define ORB_AREA_SIZE 12 __u8 orb_area[ORB_AREA_SIZE]; @@ -22,4 +23,15 @@ struct ccw_io_region { __u32 ret_code; } __attribute__((packed)); +/* + * used for processing commands that trigger asynchronous actions + * Note: this is controlled by a capability + */ +#define VFIO_CCW_ASYNC_CMD_HSCH (1 << 0) +#define VFIO_CCW_ASYNC_CMD_CSCH (1 << 1) +struct ccw_cmd_region { + __u32 command; + __u32 ret_code; +} __attribute__((packed)); + #endif
To be replaced with a real linux-headers update. Signed-off-by: Cornelia Huck <cohuck@redhat.com> --- linux-headers/linux/vfio.h | 4 ++++ linux-headers/linux/vfio_ccw.h | 12 ++++++++++++ 2 files changed, 16 insertions(+)