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-rw-r--r--MAINTAINERS3
-rw-r--r--hw/s390x/s390-virtio-ccw.c17
-rw-r--r--hw/s390x/virtio-ccw.c20
-rw-r--r--hw/s390x/virtio-ccw.h3
-rw-r--r--include/hw/s390x/s390-virtio-ccw.h3
-rw-r--r--qapi-schema.json8
-rw-r--r--target-s390x/kvm.c2
7 files changed, 50 insertions, 6 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index e1d458933f..3e106c823d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -669,6 +669,9 @@ F: hw/s390x/
F: include/hw/s390x/
F: pc-bios/s390-ccw/
F: hw/watchdog/wdt_diag288.c
+F: include/hw/watchdog/wdt_diag288.h
+F: pc-bios/s390-ccw.img
+F: default-configs/s390x-softmmu.mak
T: git git://github.com/cohuck/qemu.git s390-next
T: git git://github.com/borntraeger/qemu.git s390-next
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index a63b4e8c61..e340eab36b 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -193,6 +193,7 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data)
S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
s390mc->ri_allowed = true;
+ s390mc->cpu_model_allowed = true;
mc->init = ccw_init;
mc->reset = s390_machine_reset;
mc->hot_add_cpu = s390_hot_add_cpu;
@@ -258,6 +259,19 @@ bool ri_allowed(void)
return 0;
}
+bool cpu_model_allowed(void)
+{
+ MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
+ if (object_class_dynamic_cast(OBJECT_CLASS(mc),
+ TYPE_S390_CCW_MACHINE)) {
+ S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
+
+ return s390mc->cpu_model_allowed;
+ }
+ /* allow CPU model qmp queries with the "none" machine */
+ return true;
+}
+
static inline void s390_machine_initfn(Object *obj)
{
object_property_add_bool(obj, "aes-key-wrap",
@@ -397,6 +411,9 @@ static void ccw_machine_2_7_instance_options(MachineState *machine)
static void ccw_machine_2_7_class_options(MachineClass *mc)
{
+ S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
+
+ s390mc->cpu_model_allowed = false;
ccw_machine_2_8_class_options(mc);
SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7);
}
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 9f3f386964..ee136ab940 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -455,6 +455,26 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
}
}
break;
+ case CCW_CMD_READ_STATUS:
+ if (check_len) {
+ if (ccw.count != sizeof(status)) {
+ ret = -EINVAL;
+ break;
+ }
+ } else if (ccw.count < sizeof(status)) {
+ /* Can't execute command. */
+ ret = -EINVAL;
+ break;
+ }
+ if (!ccw.cda) {
+ ret = -EFAULT;
+ } else {
+ address_space_stb(&address_space_memory, ccw.cda, vdev->status,
+ MEMTXATTRS_UNSPECIFIED, NULL);
+ sch->curr_status.scsw.count = ccw.count - sizeof(vdev->status);;
+ ret = 0;
+ }
+ break;
case CCW_CMD_WRITE_STATUS:
if (check_len) {
if (ccw.count != sizeof(status)) {
diff --git a/hw/s390x/virtio-ccw.h b/hw/s390x/virtio-ccw.h
index b58ab21d4c..565094e4fb 100644
--- a/hw/s390x/virtio-ccw.h
+++ b/hw/s390x/virtio-ccw.h
@@ -45,6 +45,7 @@
#define CCW_CMD_SET_IND 0x43
#define CCW_CMD_SET_CONF_IND 0x53
#define CCW_CMD_READ_VQ_CONF 0x32
+#define CCW_CMD_READ_STATUS 0x72
#define CCW_CMD_SET_IND_ADAPTER 0x73
#define CCW_CMD_SET_VIRTIO_REV 0x83
@@ -98,7 +99,7 @@ struct VirtioCcwDevice {
};
/* The maximum virtio revision we support. */
-#define VIRTIO_CCW_MAX_REV 1
+#define VIRTIO_CCW_MAX_REV 2
static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev)
{
return dev->max_rev;
diff --git a/include/hw/s390x/s390-virtio-ccw.h b/include/hw/s390x/s390-virtio-ccw.h
index a0c1fc8083..6ecae00386 100644
--- a/include/hw/s390x/s390-virtio-ccw.h
+++ b/include/hw/s390x/s390-virtio-ccw.h
@@ -36,9 +36,12 @@ typedef struct S390CcwMachineClass {
/*< public >*/
bool ri_allowed;
+ bool cpu_model_allowed;
} S390CcwMachineClass;
/* runtime-instrumentation allowed by the machine */
bool ri_allowed(void);
+/* cpu model allowed by the machine */
+bool cpu_model_allowed(void);
#endif
diff --git a/qapi-schema.json b/qapi-schema.json
index c4f3674d08..f1a79f5ed9 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -3163,7 +3163,7 @@
# @CpuModelCompareResult:
#
# An enumeration of CPU model comparation results. The result is usually
-# calcualted using e.g. CPU features or CPU generations.
+# calculated using e.g. CPU features or CPU generations.
#
# @incompatible: If model A is incompatible to model B, model A is not
# guaranteed to run where model B runs and the other way around.
@@ -3216,14 +3216,14 @@
# CPU model has to be created by baselining.
#
# Usually, a CPU model is compared against the maximum possible CPU model
-# of a ceratin configuration (e.g. the "host" model for KVM). If that CPU
+# of a certain configuration (e.g. the "host" model for KVM). If that CPU
# model is identical or a subset, it will run in that configuration.
#
# The result returned by this command may be affected by:
#
# * QEMU version: CPU models may look different depending on the QEMU version.
# (Except for CPU models reported as "static" in query-cpu-definitions.)
-# * machine-type: CPU model may look different depending on the machine-type.
+# * machine-type: CPU model may look different depending on the machine-type.
# (Except for CPU models reported as "static" in query-cpu-definitions.)
# * machine options (including accelerator): in some architectures, CPU models
# may look different depending on machine and accelerator options. (Except for
@@ -3274,7 +3274,7 @@
#
# * QEMU version: CPU models may look different depending on the QEMU version.
# (Except for CPU models reported as "static" in query-cpu-definitions.)
-# * machine-type: CPU model may look different depending on the machine-type.
+# * machine-type: CPU model may look different depending on the machine-type.
# (Except for CPU models reported as "static" in query-cpu-definitions.)
# * machine options (including accelerator): in some architectures, CPU models
# may look different depending on machine and accelerator options. (Except for
diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c
index dfaf1ca8d1..4b847a3be4 100644
--- a/target-s390x/kvm.c
+++ b/target-s390x/kvm.c
@@ -2490,7 +2490,7 @@ static int configure_cpu_feat(const S390FeatBitmap features)
bool kvm_s390_cpu_models_supported(void)
{
- if (!ri_allowed()) {
+ if (!cpu_model_allowed()) {
/* compatibility machines interfere with the cpu model */
return false;
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-02 22:55:45 +0000