Add bootindex property and iplb data for vfio-ccw devices. This allows us to
forward boot information into the bios for vfio-ccw devices.
Signed-off-by: Jason J. Herne <address@hidden>
Acked-by: Halil Pasic <address@hidden>
---
hw/s390x/ipl.c | 14 ++++++++++++++
hw/s390x/s390-ccw.c | 9 +++++++++
hw/vfio/ccw.c | 13 +------------
include/hw/s390x/s390-ccw.h | 1 +
include/hw/s390x/vfio-ccw.h | 38 ++++++++++++++++++++++++++++++++++++++
5 files changed, 63 insertions(+), 12 deletions(-)
create mode 100644 include/hw/s390x/vfio-ccw.h
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
index 21f64ad..a993f65 100644
--- a/hw/s390x/ipl.c
+++ b/hw/s390x/ipl.c
@@ -19,6 +19,7 @@
#include "hw/loader.h"
#include "hw/boards.h"
#include "hw/s390x/virtio-ccw.h"
+#include "hw/s390x/vfio-ccw.h"
#include "hw/s390x/css.h"
#include "hw/s390x/ebcdic.h"
#include "ipl.h"
@@ -311,8 +312,12 @@ static CcwDevice *s390_get_ccw_device(DeviceState *dev_st)
VirtioCcwDevice *virtio_ccw_dev = (VirtioCcwDevice *)
object_dynamic_cast(OBJECT(qdev_get_parent_bus(dev_st)->parent),
TYPE_VIRTIO_CCW_DEVICE);
+ VFIOCCWDevice *vfio_ccw_dev = (VFIOCCWDevice *)
+ object_dynamic_cast(OBJECT(dev_st), TYPE_VFIO_CCW);
if (virtio_ccw_dev) {
ccw_dev = CCW_DEVICE(virtio_ccw_dev);
+ } else if (vfio_ccw_dev) {
+ ccw_dev = CCW_DEVICE(vfio_ccw_dev);
} else {
SCSIDevice *sd = (SCSIDevice *)
object_dynamic_cast(OBJECT(dev_st),
@@ -347,6 +352,8 @@ static bool s390_gen_initial_iplb(S390IPLState *ipl)
if (ccw_dev) {
SCSIDevice *sd = (SCSIDevice *) object_dynamic_cast(OBJECT(dev_st),
TYPE_SCSI_DEVICE);
+ VFIOCCWDevice *vc = (VFIOCCWDevice *)
+ object_dynamic_cast(OBJECT(dev_st), TYPE_VFIO_CCW);
if (sd) {
ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN);
@@ -358,6 +365,13 @@ static bool s390_gen_initial_iplb(S390IPLState *ipl)
ipl->iplb.scsi.channel = cpu_to_be16(sd->channel);
ipl->iplb.scsi.devno = cpu_to_be16(ccw_dev->sch->devno);
ipl->iplb.scsi.ssid = ccw_dev->sch->ssid & 3;
+ } else if (vc) {
+ CcwDevice *ccw_dev = CCW_DEVICE(vc);
+
+ ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_CCW_LEN);
+ ipl->iplb.pbt = S390_IPL_TYPE_CCW;
+ ipl->iplb.ccw.devno = cpu_to_be16(ccw_dev->sch->devno);
+ ipl->iplb.ccw.ssid = ccw_dev->sch->ssid & 3;
} else {
VirtIONet *vn = (VirtIONet *) object_dynamic_cast(OBJECT(dev_st),
TYPE_VIRTIO_NET);
diff --git a/hw/s390x/s390-ccw.c b/hw/s390x/s390-ccw.c
index cad91ee..f5f025d 100644
--- a/hw/s390x/s390-ccw.c
+++ b/hw/s390x/s390-ccw.c
@@ -124,6 +124,14 @@ static void s390_ccw_unrealize(S390CCWDevice *cdev, Error
**errp)
g_free(cdev->mdevid);
}
+static void s390_ccw_instance_init(Object *obj)
+{
+ S390CCWDevice *dev = S390_CCW_DEVICE(obj);
+
+ device_add_bootindex_property(obj, &dev->bootindex, "bootindex",
+ "/address@hidden,0", DEVICE(obj), NULL);
+}
+
static void s390_ccw_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@@ -137,6 +145,7 @@ static void s390_ccw_class_init(ObjectClass *klass, void
*data)
static const TypeInfo s390_ccw_info = {
.name = TYPE_S390_CCW,
.parent = TYPE_CCW_DEVICE,
+ .instance_init = s390_ccw_instance_init,
.instance_size = sizeof(S390CCWDevice),
.class_size = sizeof(S390CCWDeviceClass),
.class_init = s390_ccw_class_init,
diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c
index 9246729..d815a4f 100644
--- a/hw/vfio/ccw.c
+++ b/hw/vfio/ccw.c
@@ -21,22 +21,11 @@
#include "hw/vfio/vfio.h"
#include "hw/vfio/vfio-common.h"
#include "hw/s390x/s390-ccw.h"
+#include "hw/s390x/vfio-ccw.h"
#include "hw/s390x/ccw-device.h"
#include "exec/address-spaces.h"
#include "qemu/error-report.h"
-#define TYPE_VFIO_CCW "vfio-ccw"
-typedef struct VFIOCCWDevice {
- S390CCWDevice cdev;
- VFIODevice vdev;
- uint64_t io_region_size;
- uint64_t io_region_offset;
- struct ccw_io_region *io_region;
- EventNotifier io_notifier;
- bool force_orb_pfch;
- bool warned_orb_pfch;
-} VFIOCCWDevice;
-
static inline void warn_once_pfch(VFIOCCWDevice *vcdev, SubchDev *sch,
const char *msg)
{
diff --git a/include/hw/s390x/s390-ccw.h b/include/hw/s390x/s390-ccw.h
index 7d15a1a..901d805 100644
--- a/include/hw/s390x/s390-ccw.h
+++ b/include/hw/s390x/s390-ccw.h
@@ -27,6 +27,7 @@ typedef struct S390CCWDevice {
CcwDevice parent_obj;
CssDevId hostid;
char *mdevid;
+ int32_t bootindex;
} S390CCWDevice;
typedef struct S390CCWDeviceClass {
diff --git a/include/hw/s390x/vfio-ccw.h b/include/hw/s390x/vfio-ccw.h
new file mode 100644
index 0000000..a7d699d
--- /dev/null
+++ b/include/hw/s390x/vfio-ccw.h
@@ -0,0 +1,38 @@
+/*
+ * vfio based subchannel assignment support
+ *
+ * Copyright 2018 IBM Corp.
+ * Author(s): Dong Jia Shi <address@hidden>
+ * Xiao Feng Ren <address@hidden>
+ * Pierre Morel <address@hidden>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or (at
+ * your option) any later version. See the COPYING file in the top-level
+ * directory.
+ */
+
+#ifndef HW_VFIO_CCW_H
+#define HW_VFIO_CCW_H
+
+#include "hw/vfio/vfio-common.h"
+#include "hw/s390x/s390-ccw.h"
+#include "hw/s390x/ccw-device.h"
+
+#define TYPE_VFIO_CCW "vfio-ccw"
+#define VFIO_CCW(obj) \
+ OBJECT_CHECK(VFIOCCWDevice, (obj), TYPE_VFIO_CCW)
+
+