Re: [Qemu-devel] [PATCH v3 1/2] vfio-ccw: new capability chain support

2019-03-21 Thread Eric Farman 




On 3/1/19 4:39 AM, Cornelia Huck wrote:

To be replaced with a real linux-headers update.

Signed-off-by: Cornelia Huck 


This looks straightforward.

Reviewed-by: Eric Farman 


---
  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 
  
+/* used for START SUBCHANNEL, always present */

  struct ccw_io_region {
  #define ORB_AREA_SIZE 12
__u8orb_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

[Qemu-devel] [PATCH v3 1/2] vfio-ccw: new capability chain support

2019-03-01 Thread Cornelia Huck 
To be replaced with a real linux-headers update.

Signed-off-by: Cornelia Huck 
---
 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 
 
+/* used for START SUBCHANNEL, always present */
 struct ccw_io_region {
 #define ORB_AREA_SIZE 12
__u8orb_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
-- 
2.17.2