aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
Diffstat (limited to 'hw')
-rw-r--r--hw/intc/s390_flic.c28
-rw-r--r--hw/intc/s390_flic_kvm.c6
-rw-r--r--hw/s390x/css.c15
-rw-r--r--hw/s390x/s390-virtio-ccw.c9
-rw-r--r--hw/s390x/s390-virtio.c10
-rw-r--r--hw/s390x/virtio-ccw.c109
-rw-r--r--hw/s390x/virtio-ccw.h13
7 files changed, 161 insertions, 29 deletions
diff --git a/hw/intc/s390_flic.c b/hw/intc/s390_flic.c
index 6ab29ef..bef4caf 100644
--- a/hw/intc/s390_flic.c
+++ b/hw/intc/s390_flic.c
@@ -16,6 +16,8 @@
#include "migration/qemu-file.h"
#include "hw/s390x/s390_flic.h"
#include "trace.h"
+#include "hw/qdev.h"
+#include "qapi/error.h"
S390FLICState *s390_get_flic(void)
{
@@ -85,6 +87,30 @@ static void qemu_s390_flic_class_init(ObjectClass *oc, void *data)
fsc->clear_io_irq = qemu_s390_clear_io_flic;
}
+static Property s390_flic_common_properties[] = {
+ DEFINE_PROP_UINT32("adapter_routes_max_batch", S390FLICState,
+ adapter_routes_max_batch, ADAPTER_ROUTES_MAX_GSI),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void s390_flic_common_realize(DeviceState *dev, Error **errp)
+{
+ uint32_t max_batch = S390_FLIC_COMMON(dev)->adapter_routes_max_batch;
+
+ if (max_batch > ADAPTER_ROUTES_MAX_GSI) {
+ error_setg(errp, "flic adapter_routes_max_batch too big"
+ "%d (%d allowed)", max_batch, ADAPTER_ROUTES_MAX_GSI);
+ }
+}
+
+static void s390_flic_class_init(ObjectClass *oc, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(oc);
+
+ dc->props = s390_flic_common_properties;
+ dc->realize = s390_flic_common_realize;
+}
+
static const TypeInfo qemu_s390_flic_info = {
.name = TYPE_QEMU_S390_FLIC,
.parent = TYPE_S390_FLIC_COMMON,
@@ -92,10 +118,12 @@ static const TypeInfo qemu_s390_flic_info = {
.class_init = qemu_s390_flic_class_init,
};
+
static const TypeInfo s390_flic_common_info = {
.name = TYPE_S390_FLIC_COMMON,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(S390FLICState),
+ .class_init = s390_flic_class_init,
.class_size = sizeof(S390FLICStateClass),
};
diff --git a/hw/intc/s390_flic_kvm.c b/hw/intc/s390_flic_kvm.c
index e86a84e..cc44bc4 100644
--- a/hw/intc/s390_flic_kvm.c
+++ b/hw/intc/s390_flic_kvm.c
@@ -293,6 +293,7 @@ static int kvm_flic_save(QEMUFile *f, void *opaque, size_t size,
int len = FLIC_SAVE_INITIAL_SIZE;
void *buf;
int count;
+ int r = 0;
flic_disable_wait_pfault((struct KVMS390FLICState *) opaque);
@@ -303,7 +304,7 @@ static int kvm_flic_save(QEMUFile *f, void *opaque, size_t size,
* migration state */
error_report("flic: couldn't allocate memory");
qemu_put_be64(f, FLIC_FAILED);
- return 0;
+ return -ENOMEM;
}
count = __get_all_irqs(flic, &buf, len);
@@ -314,6 +315,7 @@ static int kvm_flic_save(QEMUFile *f, void *opaque, size_t size,
* target system to fail when attempting to load irqs from the
* migration state */
qemu_put_be64(f, FLIC_FAILED);
+ r = count;
} else {
qemu_put_be64(f, count);
qemu_put_buffer(f, (uint8_t *) buf,
@@ -321,7 +323,7 @@ static int kvm_flic_save(QEMUFile *f, void *opaque, size_t size,
}
g_free(buf);
- return 0;
+ return r;
}
/**
diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index 0f2580d..e32b2a4 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -368,13 +368,16 @@ static CCW1 copy_ccw_from_guest(hwaddr addr, bool fmt1)
ret.cda = be32_to_cpu(tmp1.cda);
} else {
cpu_physical_memory_read(addr, &tmp0, sizeof(tmp0));
- ret.cmd_code = tmp0.cmd_code;
- ret.flags = tmp0.flags;
- ret.count = be16_to_cpu(tmp0.count);
- ret.cda = be16_to_cpu(tmp0.cda1) | (tmp0.cda0 << 16);
- if ((ret.cmd_code & 0x0f) == CCW_CMD_TIC) {
- ret.cmd_code &= 0x0f;
+ if ((tmp0.cmd_code & 0x0f) == CCW_CMD_TIC) {
+ ret.cmd_code = CCW_CMD_TIC;
+ ret.flags = 0;
+ ret.count = 0;
+ } else {
+ ret.cmd_code = tmp0.cmd_code;
+ ret.flags = tmp0.flags;
+ ret.count = be16_to_cpu(tmp0.count);
}
+ ret.cda = be16_to_cpu(tmp0.cda1) | (tmp0.cda0 << 16);
}
return ret;
}
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index e9a6767..4f0d62b 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -63,7 +63,7 @@ static int virtio_ccw_hcall_notify(const uint64_t *args)
if (!sch || !css_subch_visible(sch)) {
return -EINVAL;
}
- if (queue >= VIRTIO_CCW_QUEUE_MAX) {
+ if (queue >= VIRTIO_QUEUE_MAX) {
return -EINVAL;
}
virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
@@ -336,7 +336,12 @@ static const TypeInfo ccw_machine_info = {
type_init(ccw_machine_register_##suffix)
#define CCW_COMPAT_2_8 \
- HW_COMPAT_2_8
+ HW_COMPAT_2_8 \
+ {\
+ .driver = TYPE_S390_FLIC_COMMON,\
+ .property = "adapter_routes_max_batch",\
+ .value = "64",\
+ },
#define CCW_COMPAT_2_7 \
HW_COMPAT_2_7
diff --git a/hw/s390x/s390-virtio.c b/hw/s390x/s390-virtio.c
index 7a3a7fe..9cfb090 100644
--- a/hw/s390x/s390-virtio.c
+++ b/hw/s390x/s390-virtio.c
@@ -44,16 +44,6 @@
#include "hw/s390x/ipl.h"
#include "cpu.h"
-//#define DEBUG_S390
-
-#ifdef DEBUG_S390
-#define DPRINTF(fmt, ...) \
- do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) \
- do { } while (0)
-#endif
-
#define MAX_BLK_DEVS 10
#define S390_TOD_CLOCK_VALUE_MISSING 0x00
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 63c4637..00b3bde 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -35,6 +35,8 @@
#include "trace.h"
#include "hw/s390x/css-bridge.h"
+#define NR_CLASSIC_INDICATOR_BITS 64
+
static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size,
VirtioCcwDevice *dev);
@@ -126,7 +128,7 @@ static int virtio_ccw_set_vqs(SubchDev *sch, VqInfoBlock *info,
uint16_t num = info ? info->num : linfo->num;
uint64_t desc = info ? info->desc : linfo->queue;
- if (index >= VIRTIO_CCW_QUEUE_MAX) {
+ if (index >= VIRTIO_QUEUE_MAX) {
return -EINVAL;
}
@@ -162,7 +164,7 @@ static int virtio_ccw_set_vqs(SubchDev *sch, VqInfoBlock *info,
virtio_queue_set_vector(vdev, index, index);
}
/* tell notify handler in case of config change */
- vdev->config_vector = VIRTIO_CCW_QUEUE_MAX;
+ vdev->config_vector = VIRTIO_QUEUE_MAX;
return 0;
}
@@ -280,6 +282,15 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
ccw.cmd_code);
check_len = !((ccw.flags & CCW_FLAG_SLI) && !(ccw.flags & CCW_FLAG_DC));
+ if (dev->force_revision_1 && dev->revision < 0 &&
+ ccw.cmd_code != CCW_CMD_SET_VIRTIO_REV) {
+ /*
+ * virtio-1 drivers must start with negotiating to a revision >= 1,
+ * so post a command reject for all other commands
+ */
+ return -ENOSYS;
+ }
+
/* Look at the command. */
switch (ccw.cmd_code) {
case CCW_CMD_SET_VQ:
@@ -500,6 +511,11 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
ret = -ENOSYS;
break;
}
+ if (virtio_get_num_queues(vdev) > NR_CLASSIC_INDICATOR_BITS) {
+ /* More queues than indicator bits --> trigger a reject */
+ ret = -ENOSYS;
+ break;
+ }
if (!ccw.cda) {
ret = -EFAULT;
} else {
@@ -549,7 +565,7 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
ccw.cda,
MEMTXATTRS_UNSPECIFIED,
NULL);
- if (vq_config.index >= VIRTIO_CCW_QUEUE_MAX) {
+ if (vq_config.index >= VIRTIO_QUEUE_MAX) {
ret = -EINVAL;
break;
}
@@ -638,7 +654,8 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
* need to fetch it here. Nothing to do for now, though.
*/
if (dev->revision >= 0 ||
- revinfo.revision > virtio_ccw_rev_max(dev)) {
+ revinfo.revision > virtio_ccw_rev_max(dev) ||
+ (dev->force_revision_1 && !revinfo.revision)) {
ret = -ENOSYS;
break;
}
@@ -669,6 +686,12 @@ static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp)
if (!sch) {
return;
}
+ if (!virtio_ccw_rev_max(dev) && dev->force_revision_1) {
+ error_setg(&err, "Invalid value of property max_rev "
+ "(is %d expected >= 1)", virtio_ccw_rev_max(dev));
+ error_propagate(errp, err);
+ return;
+ }
sch->driver_data = dev;
sch->ccw_cb = virtio_ccw_cb;
@@ -878,6 +901,24 @@ static void virtio_ccw_rng_realize(VirtioCcwDevice *ccw_dev, Error **errp)
NULL);
}
+static void virtio_ccw_crypto_realize(VirtioCcwDevice *ccw_dev, Error **errp)
+{
+ VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(ccw_dev);
+ DeviceState *vdev = DEVICE(&dev->vdev);
+ Error *err = NULL;
+
+ qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
+ object_property_set_bool(OBJECT(vdev), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ object_property_set_link(OBJECT(vdev),
+ OBJECT(dev->vdev.conf.cryptodev), "cryptodev",
+ NULL);
+}
+
/* DeviceState to VirtioCcwDevice. Note: used on datapath,
* be careful and test performance if you change this.
*/
@@ -919,11 +960,11 @@ static void virtio_ccw_notify(DeviceState *d, uint16_t vector)
uint64_t indicators;
/* queue indicators + secondary indicators */
- if (vector >= VIRTIO_CCW_QUEUE_MAX + 64) {
+ if (vector >= VIRTIO_QUEUE_MAX + 64) {
return;
}
- if (vector < VIRTIO_CCW_QUEUE_MAX) {
+ if (vector < VIRTIO_QUEUE_MAX) {
if (!dev->indicators) {
return;
}
@@ -1278,15 +1319,22 @@ static void virtio_ccw_device_plugged(DeviceState *d, Error **errp)
CcwDevice *ccw_dev = CCW_DEVICE(d);
SubchDev *sch = ccw_dev->sch;
int n = virtio_get_num_queues(vdev);
+ S390FLICState *flic = s390_get_flic();
if (!virtio_has_feature(vdev->host_features, VIRTIO_F_VERSION_1)) {
dev->max_rev = 0;
}
- if (virtio_get_num_queues(vdev) > VIRTIO_CCW_QUEUE_MAX) {
+ if (virtio_get_num_queues(vdev) > VIRTIO_QUEUE_MAX) {
+ error_setg(errp, "The number of virtqueues %d "
+ "exceeds virtio limit %d", n,
+ VIRTIO_QUEUE_MAX);
+ return;
+ }
+ if (virtio_get_num_queues(vdev) > flic->adapter_routes_max_batch) {
error_setg(errp, "The number of virtqueues %d "
- "exceeds ccw limit %d", n,
- VIRTIO_CCW_QUEUE_MAX);
+ "exceeds flic adapter route limit %d", n,
+ flic->adapter_routes_max_batch);
return;
}
@@ -1518,6 +1566,48 @@ static const TypeInfo virtio_ccw_rng = {
.class_init = virtio_ccw_rng_class_init,
};
+static Property virtio_ccw_crypto_properties[] = {
+ DEFINE_PROP_CSS_DEV_ID("devno", VirtioCcwDevice, parent_obj.bus_id),
+ DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
+ VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
+ DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
+ VIRTIO_CCW_MAX_REV),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_ccw_crypto_instance_init(Object *obj)
+{
+ VirtIOCryptoCcw *dev = VIRTIO_CRYPTO_CCW(obj);
+ VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
+
+ ccw_dev->force_revision_1 = true;
+ virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+ TYPE_VIRTIO_CRYPTO);
+
+ object_property_add_alias(obj, "cryptodev", OBJECT(&dev->vdev),
+ "cryptodev", &error_abort);
+}
+
+static void virtio_ccw_crypto_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
+
+ k->realize = virtio_ccw_crypto_realize;
+ k->exit = virtio_ccw_exit;
+ dc->reset = virtio_ccw_reset;
+ dc->props = virtio_ccw_crypto_properties;
+ set_bit(DEVICE_CATEGORY_MISC, dc->categories);
+}
+
+static const TypeInfo virtio_ccw_crypto = {
+ .name = TYPE_VIRTIO_CRYPTO_CCW,
+ .parent = TYPE_VIRTIO_CCW_DEVICE,
+ .instance_size = sizeof(VirtIOCryptoCcw),
+ .instance_init = virtio_ccw_crypto_instance_init,
+ .class_init = virtio_ccw_crypto_class_init,
+};
+
static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp)
{
VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
@@ -1720,6 +1810,7 @@ static void virtio_ccw_register(void)
#ifdef CONFIG_VHOST_VSOCK
type_register_static(&vhost_vsock_ccw_info);
#endif
+ type_register_static(&virtio_ccw_crypto);
}
type_init(virtio_ccw_register)
diff --git a/hw/s390x/virtio-ccw.h b/hw/s390x/virtio-ccw.h
index 77d10f1..41d4010 100644
--- a/hw/s390x/virtio-ccw.h
+++ b/hw/s390x/virtio-ccw.h
@@ -22,6 +22,7 @@
#endif
#include "hw/virtio/virtio-balloon.h"
#include "hw/virtio/virtio-rng.h"
+#include "hw/virtio/virtio-crypto.h"
#include "hw/virtio/virtio-bus.h"
#ifdef CONFIG_VHOST_VSOCK
#include "hw/virtio/vhost-vsock.h"
@@ -94,6 +95,7 @@ struct VirtioCcwDevice {
IndAddr *indicators2;
IndAddr *summary_indicator;
uint64_t ind_bit;
+ bool force_revision_1;
};
/* The maximum virtio revision we support. */
@@ -182,6 +184,17 @@ typedef struct VirtIORNGCcw {
VirtIORNG vdev;
} VirtIORNGCcw;
+/* virtio-crypto-ccw */
+
+#define TYPE_VIRTIO_CRYPTO_CCW "virtio-crypto-ccw"
+#define VIRTIO_CRYPTO_CCW(obj) \
+ OBJECT_CHECK(VirtIOCryptoCcw, (obj), TYPE_VIRTIO_CRYPTO_CCW)
+
+typedef struct VirtIOCryptoCcw {
+ VirtioCcwDevice parent_obj;
+ VirtIOCrypto vdev;
+} VirtIOCryptoCcw;
+
VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
#ifdef CONFIG_VIRTFS