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 v2 1/2] vfio-ccw: new capability chain support
Date: Mon, 21 Jan 2019 12:05:07 +0100 [thread overview]
Message-ID: <20190121110508.2320-2-cohuck@redhat.com> (raw)
In-Reply-To: <20190121110508.2320-1-cohuck@redhat.com>
To be replaced with a real linux-headers update.
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
| 4 ++++
| 12 ++++++++++++
2 files changed, 16 insertions(+)
--git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
index ceb6453394..2965c9fbd7 100644
--- a/linux-headers/linux/vfio.h
+++ b/linux-headers/linux/vfio.h
@@ -303,6 +303,10 @@ struct vfio_region_info_cap_type {
#define VFIO_REGION_SUBTYPE_INTEL_IGD_HOST_CFG (2)
#define VFIO_REGION_SUBTYPE_INTEL_IGD_LPC_CFG (3)
+#define VFIO_REGION_TYPE_CCW (2)
+/* ccw sub-types */
+#define VFIO_REGION_SUBTYPE_CCW_ASYNC_CMD (1)
+
/*
* The MSIX mappable capability informs that MSIX data of a BAR can be mmapped
* which allows direct access to non-MSIX registers which happened to be within
--git a/linux-headers/linux/vfio_ccw.h b/linux-headers/linux/vfio_ccw.h
index 5bf96c3812..fcc3e69ef5 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 v2 1/2] vfio-ccw: new capability chain support
Date: Mon, 21 Jan 2019 12:05:07 +0100 [thread overview]
Message-ID: <20190121110508.2320-2-cohuck@redhat.com> (raw)
In-Reply-To: <20190121110508.2320-1-cohuck@redhat.com>
To be replaced with a real linux-headers update.
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
| 4 ++++
| 12 ++++++++++++
2 files changed, 16 insertions(+)
--git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
index ceb6453394..2965c9fbd7 100644
--- a/linux-headers/linux/vfio.h
+++ b/linux-headers/linux/vfio.h
@@ -303,6 +303,10 @@ struct vfio_region_info_cap_type {
#define VFIO_REGION_SUBTYPE_INTEL_IGD_HOST_CFG (2)
#define VFIO_REGION_SUBTYPE_INTEL_IGD_LPC_CFG (3)
+#define VFIO_REGION_TYPE_CCW (2)
+/* ccw sub-types */
+#define VFIO_REGION_SUBTYPE_CCW_ASYNC_CMD (1)
+
/*
* The MSIX mappable capability informs that MSIX data of a BAR can be mmapped
* which allows direct access to non-MSIX registers which happened to be within
--git a/linux-headers/linux/vfio_ccw.h b/linux-headers/linux/vfio_ccw.h
index 5bf96c3812..fcc3e69ef5 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
next prev parent reply other threads:[~2019-01-21 11:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-21 11:05 [PATCH v2 0/2] vfio-ccw: support hsch/csch (QEMU part) Cornelia Huck
2019-01-21 11:05 ` [Qemu-devel] " Cornelia Huck
2019-01-21 11:05 ` Cornelia Huck [this message]
2019-01-21 11:05 ` [Qemu-devel] [PATCH v2 1/2] vfio-ccw: new capability chain support Cornelia Huck
2019-01-21 11:05 ` [PATCH v2 2/2] vfio-ccw: support async command subregion Cornelia Huck
2019-01-21 11:05 ` [Qemu-devel] " Cornelia Huck
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