/*
* virtio ccw target implementation
*
- * Copyright 2012,2014 IBM Corp.
+ * Copyright 2012,2015 IBM Corp.
*
* 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
#include "sysemu/blockdev.h"
#include "sysemu/sysemu.h"
#include "net/net.h"
-#include "monitor/monitor.h"
#include "hw/virtio/virtio.h"
#include "hw/virtio/virtio-serial.h"
#include "hw/virtio/virtio-net.h"
#include "hw/sysbus.h"
#include "qemu/bitops.h"
+#include "qemu/error-report.h"
+#include "hw/virtio/virtio-access.h"
#include "hw/virtio/virtio-bus.h"
#include "hw/s390x/adapter.h"
#include "hw/s390x/s390_flic.h"
return;
}
vdev = virtio_bus_get_device(&dev->bus);
- for (n = 0; n < VIRTIO_PCI_QUEUE_MAX; n++) {
+ for (n = 0; n < VIRTIO_CCW_QUEUE_MAX; n++) {
if (!virtio_queue_get_num(vdev, n)) {
continue;
}
return;
}
vdev = virtio_bus_get_device(&dev->bus);
- for (n = 0; n < VIRTIO_PCI_QUEUE_MAX; n++) {
+ for (n = 0; n < VIRTIO_CCW_QUEUE_MAX; n++) {
if (!virtio_queue_get_num(vdev, n)) {
continue;
}
}
/* Communication blocks used by several channel commands. */
-typedef struct VqInfoBlock {
+typedef struct VqInfoBlockLegacy {
uint64_t queue;
uint32_t align;
uint16_t index;
uint16_t num;
+} QEMU_PACKED VqInfoBlockLegacy;
+
+typedef struct VqInfoBlock {
+ uint64_t desc;
+ uint32_t res0;
+ uint16_t index;
+ uint16_t num;
+ uint64_t avail;
+ uint64_t used;
} QEMU_PACKED VqInfoBlock;
typedef struct VqConfigBlock {
uint8_t isc;
} QEMU_PACKED VirtioThinintInfo;
+typedef struct VirtioRevInfo {
+ uint16_t revision;
+ uint16_t length;
+ uint8_t data[0];
+} QEMU_PACKED VirtioRevInfo;
+
/* Specify where the virtqueues for the subchannel are in guest memory. */
-static int virtio_ccw_set_vqs(SubchDev *sch, uint64_t addr, uint32_t align,
- uint16_t index, uint16_t num)
+static int virtio_ccw_set_vqs(SubchDev *sch, VqInfoBlock *info,
+ VqInfoBlockLegacy *linfo)
{
VirtIODevice *vdev = virtio_ccw_get_vdev(sch);
+ uint16_t index = info ? info->index : linfo->index;
+ uint16_t num = info ? info->num : linfo->num;
+ uint64_t desc = info ? info->desc : linfo->queue;
- if (index >= VIRTIO_PCI_QUEUE_MAX) {
+ if (index >= VIRTIO_CCW_QUEUE_MAX) {
return -EINVAL;
}
/* Current code in virtio.c relies on 4K alignment. */
- if (addr && (align != 4096)) {
+ if (linfo && desc && (linfo->align != 4096)) {
return -EINVAL;
}
return -EINVAL;
}
- virtio_queue_set_addr(vdev, index, addr);
- if (!addr) {
- virtio_queue_set_vector(vdev, index, 0);
+ if (info) {
+ virtio_queue_set_rings(vdev, index, desc, info->avail, info->used);
+ } else {
+ virtio_queue_set_addr(vdev, index, desc);
+ }
+ if (!desc) {
+ virtio_queue_set_vector(vdev, index, VIRTIO_NO_VECTOR);
} else {
/* Fail if we don't have a big enough queue. */
/* TODO: Add interface to handle vring.num changing */
virtio_queue_set_vector(vdev, index, index);
}
/* tell notify handler in case of config change */
- vdev->config_vector = VIRTIO_PCI_QUEUE_MAX;
+ vdev->config_vector = VIRTIO_CCW_QUEUE_MAX;
return 0;
}
-static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
+static void virtio_ccw_reset_virtio(VirtioCcwDevice *dev, VirtIODevice *vdev)
+{
+ virtio_ccw_stop_ioeventfd(dev);
+ virtio_reset(vdev);
+ if (dev->indicators) {
+ release_indicator(&dev->routes.adapter, dev->indicators);
+ dev->indicators = NULL;
+ }
+ if (dev->indicators2) {
+ release_indicator(&dev->routes.adapter, dev->indicators2);
+ dev->indicators2 = NULL;
+ }
+ if (dev->summary_indicator) {
+ release_indicator(&dev->routes.adapter, dev->summary_indicator);
+ dev->summary_indicator = NULL;
+ }
+ dev->sch->thinint_active = false;
+}
+
+static int virtio_ccw_handle_set_vq(SubchDev *sch, CCW1 ccw, bool check_len,
+ bool is_legacy)
{
int ret;
VqInfoBlock info;
+ VqInfoBlockLegacy linfo;
+ size_t info_len = is_legacy ? sizeof(linfo) : sizeof(info);
+
+ if (check_len) {
+ if (ccw.count != info_len) {
+ return -EINVAL;
+ }
+ } else if (ccw.count < info_len) {
+ /* Can't execute command. */
+ return -EINVAL;
+ }
+ if (!ccw.cda) {
+ return -EFAULT;
+ }
+ if (is_legacy) {
+ linfo.queue = address_space_ldq_be(&address_space_memory, ccw.cda,
+ MEMTXATTRS_UNSPECIFIED, NULL);
+ linfo.align = address_space_ldl_be(&address_space_memory,
+ ccw.cda + sizeof(linfo.queue),
+ MEMTXATTRS_UNSPECIFIED,
+ NULL);
+ linfo.index = address_space_lduw_be(&address_space_memory,
+ ccw.cda + sizeof(linfo.queue)
+ + sizeof(linfo.align),
+ MEMTXATTRS_UNSPECIFIED,
+ NULL);
+ linfo.num = address_space_lduw_be(&address_space_memory,
+ ccw.cda + sizeof(linfo.queue)
+ + sizeof(linfo.align)
+ + sizeof(linfo.index),
+ MEMTXATTRS_UNSPECIFIED,
+ NULL);
+ ret = virtio_ccw_set_vqs(sch, NULL, &linfo);
+ } else {
+ info.desc = address_space_ldq_be(&address_space_memory, ccw.cda,
+ MEMTXATTRS_UNSPECIFIED, NULL);
+ info.index = address_space_lduw_be(&address_space_memory,
+ ccw.cda + sizeof(info.desc)
+ + sizeof(info.res0),
+ MEMTXATTRS_UNSPECIFIED, NULL);
+ info.num = address_space_lduw_be(&address_space_memory,
+ ccw.cda + sizeof(info.desc)
+ + sizeof(info.res0)
+ + sizeof(info.index),
+ MEMTXATTRS_UNSPECIFIED, NULL);
+ info.avail = address_space_ldq_be(&address_space_memory,
+ ccw.cda + sizeof(info.desc)
+ + sizeof(info.res0)
+ + sizeof(info.index)
+ + sizeof(info.num),
+ MEMTXATTRS_UNSPECIFIED, NULL);
+ info.used = address_space_ldq_be(&address_space_memory,
+ ccw.cda + sizeof(info.desc)
+ + sizeof(info.res0)
+ + sizeof(info.index)
+ + sizeof(info.num)
+ + sizeof(info.avail),
+ MEMTXATTRS_UNSPECIFIED, NULL);
+ ret = virtio_ccw_set_vqs(sch, &info, NULL);
+ }
+ sch->curr_status.scsw.count = 0;
+ return ret;
+}
+
+static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
+{
+ int ret;
+ VirtioRevInfo revinfo;
uint8_t status;
VirtioFeatDesc features;
void *config;
/* Look at the command. */
switch (ccw.cmd_code) {
case CCW_CMD_SET_VQ:
- if (check_len) {
- if (ccw.count != sizeof(info)) {
- ret = -EINVAL;
- break;
- }
- } else if (ccw.count < sizeof(info)) {
- /* Can't execute command. */
- ret = -EINVAL;
- break;
- }
- if (!ccw.cda) {
- ret = -EFAULT;
- } else {
- info.queue = ldq_phys(&address_space_memory, ccw.cda);
- info.align = ldl_phys(&address_space_memory,
- ccw.cda + sizeof(info.queue));
- info.index = lduw_phys(&address_space_memory,
- ccw.cda + sizeof(info.queue)
- + sizeof(info.align));
- info.num = lduw_phys(&address_space_memory,
- ccw.cda + sizeof(info.queue)
- + sizeof(info.align)
- + sizeof(info.index));
- ret = virtio_ccw_set_vqs(sch, info.queue, info.align, info.index,
- info.num);
- sch->curr_status.scsw.count = 0;
- }
+ ret = virtio_ccw_handle_set_vq(sch, ccw, check_len, dev->revision < 1);
break;
case CCW_CMD_VDEV_RESET:
- virtio_ccw_stop_ioeventfd(dev);
- virtio_reset(vdev);
+ virtio_ccw_reset_virtio(dev, vdev);
ret = 0;
break;
case CCW_CMD_READ_FEAT:
if (!ccw.cda) {
ret = -EFAULT;
} else {
- features.index = ldub_phys(&address_space_memory,
- ccw.cda + sizeof(features.features));
- if (features.index < ARRAY_SIZE(dev->host_features)) {
- features.features = dev->host_features[features.index];
+ features.index = address_space_ldub(&address_space_memory,
+ ccw.cda
+ + sizeof(features.features),
+ MEMTXATTRS_UNSPECIFIED,
+ NULL);
+ if (features.index == 0) {
+ features.features = (uint32_t)vdev->host_features;
+ } else if (features.index == 1) {
+ features.features = (uint32_t)(vdev->host_features >> 32);
+ /*
+ * Don't offer version 1 to the guest if it did not
+ * negotiate at least revision 1.
+ */
+ if (dev->revision <= 0) {
+ features.features &= ~(1 << (VIRTIO_F_VERSION_1 - 32));
+ }
} else {
/* Return zeroes if the guest supports more feature bits. */
features.features = 0;
}
- stl_le_phys(&address_space_memory, ccw.cda, features.features);
+ address_space_stl_le(&address_space_memory, ccw.cda,
+ features.features, MEMTXATTRS_UNSPECIFIED,
+ NULL);
sch->curr_status.scsw.count = ccw.count - sizeof(features);
ret = 0;
}
if (!ccw.cda) {
ret = -EFAULT;
} else {
- features.index = ldub_phys(&address_space_memory,
- ccw.cda + sizeof(features.features));
- features.features = ldl_le_phys(&address_space_memory, ccw.cda);
- if (features.index < ARRAY_SIZE(dev->host_features)) {
- virtio_set_features(vdev, features.features);
+ features.index = address_space_ldub(&address_space_memory,
+ ccw.cda
+ + sizeof(features.features),
+ MEMTXATTRS_UNSPECIFIED,
+ NULL);
+ features.features = address_space_ldl_le(&address_space_memory,
+ ccw.cda,
+ MEMTXATTRS_UNSPECIFIED,
+ NULL);
+ if (features.index == 0) {
+ virtio_set_features(vdev,
+ (vdev->guest_features & 0xffffffff00000000ULL) |
+ features.features);
+ } else if (features.index == 1) {
+ /*
+ * The guest should not set version 1 if it didn't
+ * negotiate a revision >= 1.
+ */
+ if (dev->revision <= 0) {
+ features.features &= ~(1 << (VIRTIO_F_VERSION_1 - 32));
+ }
+ virtio_set_features(vdev,
+ (vdev->guest_features & 0x00000000ffffffffULL) |
+ ((uint64_t)features.features << 32));
} else {
/*
* If the guest supports more feature bits, assert that it
if (!ccw.cda) {
ret = -EFAULT;
} else {
- status = ldub_phys(&address_space_memory, ccw.cda);
+ status = address_space_ldub(&address_space_memory, ccw.cda,
+ MEMTXATTRS_UNSPECIFIED, NULL);
if (!(status & VIRTIO_CONFIG_S_DRIVER_OK)) {
virtio_ccw_stop_ioeventfd(dev);
}
- virtio_set_status(vdev, status);
- if (vdev->status == 0) {
- virtio_reset(vdev);
- }
- if (status & VIRTIO_CONFIG_S_DRIVER_OK) {
- virtio_ccw_start_ioeventfd(dev);
+ if (virtio_set_status(vdev, status) == 0) {
+ if (vdev->status == 0) {
+ virtio_ccw_reset_virtio(dev, vdev);
+ }
+ if (status & VIRTIO_CONFIG_S_DRIVER_OK) {
+ virtio_ccw_start_ioeventfd(dev);
+ }
+ sch->curr_status.scsw.count = ccw.count - sizeof(status);
+ ret = 0;
+ } else {
+ /* Trigger a command reject. */
+ ret = -ENOSYS;
}
- sch->curr_status.scsw.count = ccw.count - sizeof(status);
- ret = 0;
}
break;
case CCW_CMD_SET_IND:
if (!ccw.cda) {
ret = -EFAULT;
} else {
- indicators = ldq_be_phys(&address_space_memory, ccw.cda);
+ indicators = address_space_ldq_be(&address_space_memory, ccw.cda,
+ MEMTXATTRS_UNSPECIFIED, NULL);
dev->indicators = get_indicator(indicators, sizeof(uint64_t));
sch->curr_status.scsw.count = ccw.count - sizeof(indicators);
ret = 0;
if (!ccw.cda) {
ret = -EFAULT;
} else {
- indicators = ldq_be_phys(&address_space_memory, ccw.cda);
+ indicators = address_space_ldq_be(&address_space_memory, ccw.cda,
+ MEMTXATTRS_UNSPECIFIED, NULL);
dev->indicators2 = get_indicator(indicators, sizeof(uint64_t));
sch->curr_status.scsw.count = ccw.count - sizeof(indicators);
ret = 0;
if (!ccw.cda) {
ret = -EFAULT;
} else {
- vq_config.index = lduw_be_phys(&address_space_memory, ccw.cda);
+ vq_config.index = address_space_lduw_be(&address_space_memory,
+ ccw.cda,
+ MEMTXATTRS_UNSPECIFIED,
+ NULL);
+ if (vq_config.index >= VIRTIO_CCW_QUEUE_MAX) {
+ ret = -EINVAL;
+ break;
+ }
vq_config.num_max = virtio_queue_get_num(vdev,
vq_config.index);
- stw_be_phys(&address_space_memory,
- ccw.cda + sizeof(vq_config.index), vq_config.num_max);
+ address_space_stw_be(&address_space_memory,
+ ccw.cda + sizeof(vq_config.index),
+ vq_config.num_max,
+ MEMTXATTRS_UNSPECIFIED,
+ NULL);
sch->curr_status.scsw.count = ccw.count - sizeof(vq_config);
ret = 0;
}
}
}
break;
+ case CCW_CMD_SET_VIRTIO_REV:
+ len = sizeof(revinfo);
+ if (ccw.count < len) {
+ ret = -EINVAL;
+ break;
+ }
+ if (!ccw.cda) {
+ ret = -EFAULT;
+ break;
+ }
+ revinfo.revision =
+ address_space_lduw_be(&address_space_memory, ccw.cda,
+ MEMTXATTRS_UNSPECIFIED, NULL);
+ revinfo.length =
+ address_space_lduw_be(&address_space_memory,
+ ccw.cda + sizeof(revinfo.revision),
+ MEMTXATTRS_UNSPECIFIED, NULL);
+ if (ccw.count < len + revinfo.length ||
+ (check_len && ccw.count > len + revinfo.length)) {
+ ret = -EINVAL;
+ break;
+ }
+ /*
+ * Once we start to support revisions with additional data, we'll
+ * need to fetch it here. Nothing to do for now, though.
+ */
+ if (dev->revision >= 0 ||
+ revinfo.revision > virtio_ccw_rev_max(vdev)) {
+ ret = -ENOSYS;
+ break;
+ }
+ ret = 0;
+ dev->revision = revinfo.revision;
+ break;
default:
ret = -ENOSYS;
break;
return ret;
}
-static void virtio_ccw_device_realize(VirtioCcwDevice *dev,
- VirtIODevice *vdev, Error **errp)
+static void virtio_sch_disable_cb(SubchDev *sch)
+{
+ VirtioCcwDevice *dev = sch->driver_data;
+
+ dev->revision = -1;
+}
+
+static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp)
{
unsigned int cssid = 0;
unsigned int ssid = 0;
bool found = false;
SubchDev *sch;
int num;
- DeviceState *parent = DEVICE(dev);
+ Error *err = NULL;
+ VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_GET_CLASS(dev);
sch = g_malloc0(sizeof(SubchDev));
css_sch_build_virtual_schib(sch, 0, VIRTIO_CCW_CHPID_TYPE);
sch->ccw_cb = virtio_ccw_cb;
+ sch->disable_cb = virtio_sch_disable_cb;
/* Build senseid data. */
memset(&sch->id, 0, sizeof(SenseId));
sch->id.reserved = 0xff;
sch->id.cu_type = VIRTIO_CCW_CU_TYPE;
- sch->id.cu_model = vdev->device_id;
- /* Only the first 32 feature bits are used. */
- dev->host_features[0] = virtio_bus_get_vdev_features(&dev->bus,
- dev->host_features[0]);
+ dev->revision = -1;
- virtio_add_feature(&dev->host_features[0], VIRTIO_F_NOTIFY_ON_EMPTY);
- virtio_add_feature(&dev->host_features[0], VIRTIO_F_BAD_FEATURE);
+ if (k->realize) {
+ k->realize(dev, &err);
+ }
+ if (err) {
+ error_propagate(errp, err);
+ css_subch_assign(cssid, ssid, schid, devno, NULL);
+ goto out_err;
+ }
- css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid,
- parent->hotplugged, 1);
return;
out_err:
DeviceState *vdev = DEVICE(&dev->vdev);
Error *err = NULL;
- virtio_net_set_config_size(&dev->vdev, ccw_dev->host_features[0]);
virtio_net_set_netclient_name(&dev->vdev, qdev->id,
object_get_typename(OBJECT(qdev)));
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;
}
-
- virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp);
}
static void virtio_ccw_net_instance_init(Object *obj)
object_property_set_bool(OBJECT(vdev), true, "realized", &err);
if (err) {
error_propagate(errp, err);
- return;
}
-
- virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp);
}
static void virtio_ccw_blk_instance_init(Object *obj)
object_property_set_bool(OBJECT(vdev), true, "realized", &err);
if (err) {
error_propagate(errp, err);
- return;
}
-
- virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp);
}
object_property_set_bool(OBJECT(vdev), true, "realized", &err);
if (err) {
error_propagate(errp, err);
- return;
}
-
- virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp);
-}
-
-static void balloon_ccw_stats_get_all(Object *obj, struct Visitor *v,
- void *opaque, const char *name,
- Error **errp)
-{
- VirtIOBalloonCcw *dev = opaque;
- object_property_get(OBJECT(&dev->vdev), v, "guest-stats", errp);
-}
-
-static void balloon_ccw_stats_get_poll_interval(Object *obj, struct Visitor *v,
- void *opaque, const char *name,
- Error **errp)
-{
- VirtIOBalloonCcw *dev = opaque;
- object_property_get(OBJECT(&dev->vdev), v, "guest-stats-polling-interval",
- errp);
-}
-
-static void balloon_ccw_stats_set_poll_interval(Object *obj, struct Visitor *v,
- void *opaque, const char *name,
- Error **errp)
-{
- VirtIOBalloonCcw *dev = opaque;
- object_property_set(OBJECT(&dev->vdev), v, "guest-stats-polling-interval",
- errp);
}
static void virtio_ccw_balloon_instance_init(Object *obj)
{
VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj);
+
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VIRTIO_BALLOON);
- object_property_add(obj, "guest-stats", "guest statistics",
- balloon_ccw_stats_get_all, NULL, NULL, dev, NULL);
-
- object_property_add(obj, "guest-stats-polling-interval", "int",
- balloon_ccw_stats_get_poll_interval,
- balloon_ccw_stats_set_poll_interval,
- NULL, dev, NULL);
+ object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev),
+ "guest-stats", &error_abort);
+ object_property_add_alias(obj, "guest-stats-polling-interval",
+ OBJECT(&dev->vdev),
+ "guest-stats-polling-interval", &error_abort);
}
static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp)
object_property_set_bool(OBJECT(vdev), true, "realized", &err);
if (err) {
error_propagate(errp, err);
- return;
}
-
- virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp);
}
static void virtio_ccw_scsi_instance_init(Object *obj)
object_property_set_bool(OBJECT(vdev), true, "realized", &err);
if (err) {
error_propagate(errp, err);
- return;
}
-
- virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp);
}
static void vhost_ccw_scsi_instance_init(Object *obj)
object_property_set_link(OBJECT(dev),
OBJECT(dev->vdev.conf.rng), "rng",
NULL);
-
- virtio_ccw_device_realize(ccw_dev, VIRTIO_DEVICE(vdev), errp);
}
/* DeviceState to VirtioCcwDevice. Note: used on datapath,
return;
}
- if (vector < VIRTIO_PCI_QUEUE_MAX) {
+ if (vector < VIRTIO_CCW_QUEUE_MAX) {
if (!dev->indicators) {
return;
}
css_adapter_interrupt(dev->thinint_isc);
}
} else {
- indicators = ldq_phys(&address_space_memory, dev->indicators->addr);
+ indicators = address_space_ldq(&address_space_memory,
+ dev->indicators->addr,
+ MEMTXATTRS_UNSPECIFIED,
+ NULL);
indicators |= 1ULL << vector;
- stq_phys(&address_space_memory, dev->indicators->addr, indicators);
+ address_space_stq(&address_space_memory, dev->indicators->addr,
+ indicators, MEMTXATTRS_UNSPECIFIED, NULL);
css_conditional_io_interrupt(sch);
}
} else {
return;
}
vector = 0;
- indicators = ldq_phys(&address_space_memory, dev->indicators2->addr);
+ indicators = address_space_ldq(&address_space_memory,
+ dev->indicators2->addr,
+ MEMTXATTRS_UNSPECIFIED,
+ NULL);
indicators |= 1ULL << vector;
- stq_phys(&address_space_memory, dev->indicators2->addr, indicators);
+ address_space_stq(&address_space_memory, dev->indicators2->addr,
+ indicators, MEMTXATTRS_UNSPECIFIED, NULL);
css_conditional_io_interrupt(sch);
}
}
-static unsigned virtio_ccw_get_features(DeviceState *d)
-{
- VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-
- /* Only the first 32 feature bits are used. */
- return dev->host_features[0];
-}
-
static void virtio_ccw_reset(DeviceState *d)
{
VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
- virtio_ccw_stop_ioeventfd(dev);
- virtio_reset(vdev);
+ virtio_ccw_reset_virtio(dev, vdev);
css_reset_sch(dev->sch);
- if (dev->indicators) {
- release_indicator(&dev->routes.adapter, dev->indicators);
- dev->indicators = NULL;
- }
- if (dev->indicators2) {
- release_indicator(&dev->routes.adapter, dev->indicators2);
- dev->indicators2 = NULL;
- }
- if (dev->summary_indicator) {
- release_indicator(&dev->routes.adapter, dev->summary_indicator);
- dev->summary_indicator = NULL;
- }
}
static void virtio_ccw_vmstate_change(DeviceState *d, bool running)
VirtQueue *vq = virtio_get_queue(vdev, n);
EventNotifier *notifier = virtio_queue_get_guest_notifier(vq);
- return kvm_irqchip_add_irqfd_notifier(kvm_state, notifier, NULL,
- dev->routes.gsi[n]);
+ return kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, notifier, NULL,
+ dev->routes.gsi[n]);
}
static void virtio_ccw_remove_irqfd(VirtioCcwDevice *dev, int n)
EventNotifier *notifier = virtio_queue_get_guest_notifier(vq);
int ret;
- ret = kvm_irqchip_remove_irqfd_notifier(kvm_state, notifier,
- dev->routes.gsi[n]);
+ ret = kvm_irqchip_remove_irqfd_notifier_gsi(kvm_state, notifier,
+ dev->routes.gsi[n]);
assert(ret == 0);
}
{
VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
SubchDev *s = dev->sch;
+ VirtIODevice *vdev = virtio_ccw_get_vdev(s);
subch_device_save(s, f);
if (dev->indicators != NULL) {
qemu_put_be32(f, 0);
qemu_put_be64(f, 0UL);
}
+ qemu_put_be16(f, vdev->config_vector);
qemu_put_be64(f, dev->routes.adapter.ind_offset);
qemu_put_byte(f, dev->thinint_isc);
+ qemu_put_be32(f, dev->revision);
}
static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f)
{
VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
SubchDev *s = dev->sch;
+ VirtIODevice *vdev = virtio_ccw_get_vdev(s);
int len;
s->driver_data = dev;
qemu_get_be64(f);
dev->summary_indicator = NULL;
}
+ qemu_get_be16s(f, &vdev->config_vector);
dev->routes.adapter.ind_offset = qemu_get_be64(f);
dev->thinint_isc = qemu_get_byte(f);
+ dev->revision = qemu_get_be32(f);
if (s->thinint_active) {
return css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO,
dev->thinint_isc, true, false,
return 0;
}
+/* This is called by virtio-bus just after the device is plugged. */
+static void virtio_ccw_device_plugged(DeviceState *d, Error **errp)
+{
+ VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
+ VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
+ SubchDev *sch = dev->sch;
+ int n = virtio_get_num_queues(vdev);
+
+ if (virtio_get_num_queues(vdev) > VIRTIO_CCW_QUEUE_MAX) {
+ error_setg(errp, "The nubmer of virtqueues %d "
+ "exceeds ccw limit %d", n,
+ VIRTIO_CCW_QUEUE_MAX);
+ return;
+ }
+
+ if (!kvm_eventfds_enabled()) {
+ dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD;
+ }
+
+ sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus);
+
+ css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid,
+ d->hotplugged, 1);
+}
+
+static void virtio_ccw_device_unplugged(DeviceState *d)
+{
+ VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
+
+ virtio_ccw_stop_ioeventfd(dev);
+}
/**************** Virtio-ccw Bus Device Descriptions *******************/
static Property virtio_ccw_net_properties[] = {
DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
- DEFINE_VIRTIO_NET_FEATURES(VirtioCcwDevice, host_features[0]),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_END_OF_LIST(),
k->exit = virtio_ccw_exit;
dc->reset = virtio_ccw_reset;
dc->props = virtio_ccw_net_properties;
+ set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
}
static const TypeInfo virtio_ccw_net = {
k->exit = virtio_ccw_exit;
dc->reset = virtio_ccw_reset;
dc->props = virtio_ccw_blk_properties;
+ set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
}
static const TypeInfo virtio_ccw_blk = {
k->exit = virtio_ccw_exit;
dc->reset = virtio_ccw_reset;
dc->props = virtio_ccw_serial_properties;
+ set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
}
static const TypeInfo virtio_ccw_serial = {
k->exit = virtio_ccw_exit;
dc->reset = virtio_ccw_reset;
dc->props = virtio_ccw_balloon_properties;
+ set_bit(DEVICE_CATEGORY_MISC, dc->categories);
}
static const TypeInfo virtio_ccw_balloon = {
static Property virtio_ccw_scsi_properties[] = {
DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
- DEFINE_VIRTIO_SCSI_FEATURES(VirtioCcwDevice, host_features[0]),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_END_OF_LIST(),
k->exit = virtio_ccw_exit;
dc->reset = virtio_ccw_reset;
dc->props = virtio_ccw_scsi_properties;
+ set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
}
static const TypeInfo virtio_ccw_scsi = {
k->exit = virtio_ccw_exit;
dc->reset = virtio_ccw_reset;
dc->props = vhost_ccw_scsi_properties;
+ set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
}
static const TypeInfo vhost_ccw_scsi = {
k->exit = virtio_ccw_exit;
dc->reset = virtio_ccw_reset;
dc->props = virtio_ccw_rng_properties;
+ set_bit(DEVICE_CATEGORY_MISC, dc->categories);
}
static const TypeInfo virtio_ccw_rng = {
static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp)
{
VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
- VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev);
virtio_ccw_bus_new(&_dev->bus, sizeof(_dev->bus), _dev);
- _info->realize(_dev, errp);
+ virtio_ccw_device_realize(_dev, errp);
}
static int virtio_ccw_busdev_exit(DeviceState *dev)
object_unparent(OBJECT(dev));
}
-static Property virtio_ccw_properties[] = {
- DEFINE_VIRTIO_COMMON_FEATURES(VirtioCcwDevice, host_features[0]),
- DEFINE_PROP_END_OF_LIST(),
-};
-
static void virtio_ccw_device_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
- dc->props = virtio_ccw_properties;
dc->realize = virtio_ccw_busdev_realize;
dc->exit = virtio_ccw_busdev_exit;
dc->bus_type = TYPE_VIRTUAL_CSS_BUS;
{
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
k->init = virtual_css_bridge_init;
hc->unplug = virtio_ccw_busdev_unplug;
+ set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
}
static const TypeInfo virtual_css_bridge_info = {
bus_class->max_dev = 1;
k->notify = virtio_ccw_notify;
- k->get_features = virtio_ccw_get_features;
k->vmstate_change = virtio_ccw_vmstate_change;
k->query_guest_notifiers = virtio_ccw_query_guest_notifiers;
k->set_host_notifier = virtio_ccw_set_host_notifier;
k->load_queue = virtio_ccw_load_queue;
k->save_config = virtio_ccw_save_config;
k->load_config = virtio_ccw_load_config;
+ k->device_plugged = virtio_ccw_device_plugged;
+ k->device_unplugged = virtio_ccw_device_unplugged;
}
static const TypeInfo virtio_ccw_bus_info = {
.class_init = virtio_ccw_bus_class_init,
};
+#ifdef CONFIG_VIRTFS
+static Property virtio_ccw_9p_properties[] = {
+ DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
+ DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
+ VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp)
+{
+ V9fsCCWState *dev = VIRTIO_9P_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);
+ }
+}
+
+static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
+
+ k->exit = virtio_ccw_exit;
+ k->realize = virtio_ccw_9p_realize;
+ dc->reset = virtio_ccw_reset;
+ dc->props = virtio_ccw_9p_properties;
+ set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
+}
+
+static void virtio_ccw_9p_instance_init(Object *obj)
+{
+ V9fsCCWState *dev = VIRTIO_9P_CCW(obj);
+
+ virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+ TYPE_VIRTIO_9P);
+}
+
+static const TypeInfo virtio_ccw_9p_info = {
+ .name = TYPE_VIRTIO_9P_CCW,
+ .parent = TYPE_VIRTIO_CCW_DEVICE,
+ .instance_size = sizeof(V9fsCCWState),
+ .instance_init = virtio_ccw_9p_instance_init,
+ .class_init = virtio_ccw_9p_class_init,
+};
+#endif
+
static void virtio_ccw_register(void)
{
type_register_static(&virtio_ccw_bus_info);
#endif
type_register_static(&virtio_ccw_rng);
type_register_static(&virtual_css_bridge_info);
+#ifdef CONFIG_VIRTFS
+ type_register_static(&virtio_ccw_9p_info);
+#endif
}
type_init(virtio_ccw_register)
projects / qemu.git / blobdiff