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From: Cornelia Huck <cohuck@redhat.com>
To: Halil Pasic <pasic@linux.ibm.com>,
	Eric Farman <farman@linux.ibm.com>,
	Farhan Ali <alifm@linux.ibm.com>,
	Pierre Morel <pmorel@linux.ibm.com>
Cc: linux-s390@vger.kernel.org, kvm@vger.kernel.org,
	Cornelia Huck <cohuck@redhat.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	qemu-devel@nongnu.org, qemu-s390x@nongnu.org
Subject: [PATCH v3 1/2] vfio-ccw: new capability chain support
Date: Fri,  1 Mar 2019 10:39:48 +0100	[thread overview]
Message-ID: <20190301093949.27955-2-cohuck@redhat.com> (raw)
In-Reply-To: <20190301093949.27955-1-cohuck@redhat.com>

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(+)

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
-- 
2.17.2

WARNING: multiple messages have this Message-ID (diff)
From: Cornelia Huck <cohuck@redhat.com>
To: Halil Pasic <pasic@linux.ibm.com>,
	Eric Farman <farman@linux.ibm.com>,
	Farhan Ali <alifm@linux.ibm.com>,
	Pierre Morel <pmorel@linux.ibm.com>
Cc: linux-s390@vger.kernel.org, kvm@vger.kernel.org,
	qemu-devel@nongnu.org, qemu-s390x@nongnu.org,
	Alex Williamson <alex.williamson@redhat.com>,
	Cornelia Huck <cohuck@redhat.com>
Subject: [Qemu-devel] [PATCH v3 1/2] vfio-ccw: new capability chain support
Date: Fri,  1 Mar 2019 10:39:48 +0100	[thread overview]
Message-ID: <20190301093949.27955-2-cohuck@redhat.com> (raw)
In-Reply-To: <20190301093949.27955-1-cohuck@redhat.com>

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(+)

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
-- 
2.17.2

  reply	other threads:[~2019-03-01  9:39 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-01  9:39 [PATCH v3 0/2] vfio-ccw: support hsch/csch (QEMU part) Cornelia Huck
2019-03-01  9:39 ` [Qemu-devel] " Cornelia Huck
2019-03-01  9:39 ` Cornelia Huck [this message]
2019-03-01  9:39   ` [Qemu-devel] [PATCH v3 1/2] vfio-ccw: new capability chain support Cornelia Huck
2019-03-21 20:19   ` Eric Farman
2019-03-01  9:39 ` [PATCH v3 2/2] vfio-ccw: support async command subregion Cornelia Huck
2019-03-01  9:39   ` [Qemu-devel] " Cornelia Huck
2019-03-22  1:38   ` Eric Farman
2019-04-02 13:42     ` Cornelia Huck
2019-04-02 13:42       ` [Qemu-devel] " Cornelia Huck
2019-03-22  1:49 ` [PATCH v3 0/2] vfio-ccw: support hsch/csch (QEMU part) Eric Farman
2019-04-02 13:44   ` Cornelia Huck
2019-04-02 13:44     ` [Qemu-devel] " Cornelia Huck

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