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-rw-r--r--hw/s390x/css.c173
-rw-r--r--hw/s390x/event-facility.c35
-rw-r--r--hw/s390x/s390-ccw.c11
-rw-r--r--hw/s390x/s390-pci-bus.c4
-rw-r--r--hw/s390x/s390-virtio-ccw.c32
-rw-r--r--hw/s390x/virtio-ccw.c100
-rw-r--r--hw/s390x/virtio-ccw.h22
-rw-r--r--hw/vfio/ccw.c28
8 files changed, 255 insertions, 150 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index 35683d7..f6b5c80 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -488,7 +488,7 @@ int css_create_css_image(uint8_t cssid, bool default_image)
if (channel_subsys.css[cssid]) {
return -EBUSY;
}
- channel_subsys.css[cssid] = g_malloc0(sizeof(CssImage));
+ channel_subsys.css[cssid] = g_new0(CssImage, 1);
if (default_image) {
channel_subsys.default_cssid = cssid;
}
@@ -1181,12 +1181,11 @@ static void sch_handle_start_func_virtual(SubchDev *sch)
}
-static int sch_handle_start_func_passthrough(SubchDev *sch)
+static IOInstEnding sch_handle_start_func_passthrough(SubchDev *sch)
{
PMCW *p = &sch->curr_status.pmcw;
SCSW *s = &sch->curr_status.scsw;
- int ret;
ORB *orb = &sch->orb;
if (!(s->ctrl & SCSW_ACTL_SUSP)) {
@@ -1200,31 +1199,12 @@ static int sch_handle_start_func_passthrough(SubchDev *sch)
*/
if (!(orb->ctrl0 & ORB_CTRL0_MASK_PFCH) ||
!(orb->ctrl0 & ORB_CTRL0_MASK_C64)) {
- return -EINVAL;
+ warn_report("vfio-ccw requires PFCH and C64 flags set");
+ sch_gen_unit_exception(sch);
+ css_inject_io_interrupt(sch);
+ return IOINST_CC_EXPECTED;
}
-
- ret = s390_ccw_cmd_request(orb, s, sch->driver_data);
- switch (ret) {
- /* Currently we don't update control block and just return the cc code. */
- case 0:
- break;
- case -EBUSY:
- break;
- case -ENODEV:
- break;
- case -EACCES:
- /* Let's reflect an inaccessible host device by cc 3. */
- ret = -ENODEV;
- break;
- default:
- /*
- * All other return codes will trigger a program check,
- * or set cc to 1.
- */
- break;
- };
-
- return ret;
+ return s390_ccw_cmd_request(sch);
}
/*
@@ -1233,7 +1213,7 @@ static int sch_handle_start_func_passthrough(SubchDev *sch)
* read/writes) asynchronous later on if we start supporting more than
* our current very simple devices.
*/
-int do_subchannel_work_virtual(SubchDev *sch)
+IOInstEnding do_subchannel_work_virtual(SubchDev *sch)
{
SCSW *s = &sch->curr_status.scsw;
@@ -1245,44 +1225,35 @@ int do_subchannel_work_virtual(SubchDev *sch)
} else if (s->ctrl & SCSW_FCTL_START_FUNC) {
/* Triggered by both ssch and rsch. */
sch_handle_start_func_virtual(sch);
- } else {
- /* Cannot happen. */
- return 0;
}
css_inject_io_interrupt(sch);
- return 0;
+ /* inst must succeed if this func is called */
+ return IOINST_CC_EXPECTED;
}
-int do_subchannel_work_passthrough(SubchDev *sch)
+IOInstEnding do_subchannel_work_passthrough(SubchDev *sch)
{
- int ret;
SCSW *s = &sch->curr_status.scsw;
if (s->ctrl & SCSW_FCTL_CLEAR_FUNC) {
/* TODO: Clear handling */
sch_handle_clear_func(sch);
- ret = 0;
} else if (s->ctrl & SCSW_FCTL_HALT_FUNC) {
/* TODO: Halt handling */
sch_handle_halt_func(sch);
- ret = 0;
} else if (s->ctrl & SCSW_FCTL_START_FUNC) {
- ret = sch_handle_start_func_passthrough(sch);
- } else {
- /* Cannot happen. */
- return -ENODEV;
+ return sch_handle_start_func_passthrough(sch);
}
-
- return ret;
+ return IOINST_CC_EXPECTED;
}
-static int do_subchannel_work(SubchDev *sch)
+static IOInstEnding do_subchannel_work(SubchDev *sch)
{
- if (sch->do_subchannel_work) {
- return sch->do_subchannel_work(sch);
- } else {
- return -EINVAL;
+ if (!sch->do_subchannel_work) {
+ return IOINST_CC_STATUS_PRESENT;
}
+ g_assert(sch->curr_status.scsw.ctrl & SCSW_CTRL_MASK_FCTL);
+ return sch->do_subchannel_work(sch);
}
static void copy_pmcw_to_guest(PMCW *dest, const PMCW *src)
@@ -1376,28 +1347,24 @@ static void copy_schib_from_guest(SCHIB *dest, const SCHIB *src)
}
}
-int css_do_msch(SubchDev *sch, const SCHIB *orig_schib)
+IOInstEnding css_do_msch(SubchDev *sch, const SCHIB *orig_schib)
{
SCSW *s = &sch->curr_status.scsw;
PMCW *p = &sch->curr_status.pmcw;
uint16_t oldflags;
- int ret;
SCHIB schib;
if (!(sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_DNV)) {
- ret = 0;
- goto out;
+ return IOINST_CC_EXPECTED;
}
if (s->ctrl & SCSW_STCTL_STATUS_PEND) {
- ret = -EINPROGRESS;
- goto out;
+ return IOINST_CC_STATUS_PRESENT;
}
if (s->ctrl &
(SCSW_FCTL_START_FUNC|SCSW_FCTL_HALT_FUNC|SCSW_FCTL_CLEAR_FUNC)) {
- ret = -EBUSY;
- goto out;
+ return IOINST_CC_BUSY;
}
copy_schib_from_guest(&schib, orig_schib);
@@ -1424,27 +1391,20 @@ int css_do_msch(SubchDev *sch, const SCHIB *orig_schib)
&& (p->flags & PMCW_FLAGS_MASK_ENA) == 0) {
sch->disable_cb(sch);
}
-
- ret = 0;
-
-out:
- return ret;
+ return IOINST_CC_EXPECTED;
}
-int css_do_xsch(SubchDev *sch)
+IOInstEnding css_do_xsch(SubchDev *sch)
{
SCSW *s = &sch->curr_status.scsw;
PMCW *p = &sch->curr_status.pmcw;
- int ret;
if (~(p->flags) & (PMCW_FLAGS_MASK_DNV | PMCW_FLAGS_MASK_ENA)) {
- ret = -ENODEV;
- goto out;
+ return IOINST_CC_NOT_OPERATIONAL;
}
if (s->ctrl & SCSW_CTRL_MASK_STCTL) {
- ret = -EINPROGRESS;
- goto out;
+ return IOINST_CC_STATUS_PRESENT;
}
if (!(s->ctrl & SCSW_CTRL_MASK_FCTL) ||
@@ -1452,8 +1412,7 @@ int css_do_xsch(SubchDev *sch)
(!(s->ctrl &
(SCSW_ACTL_RESUME_PEND | SCSW_ACTL_START_PEND | SCSW_ACTL_SUSP))) ||
(s->ctrl & SCSW_ACTL_SUBCH_ACTIVE)) {
- ret = -EBUSY;
- goto out;
+ return IOINST_CC_BUSY;
}
/* Cancel the current operation. */
@@ -1465,56 +1424,43 @@ int css_do_xsch(SubchDev *sch)
sch->last_cmd_valid = false;
s->dstat = 0;
s->cstat = 0;
- ret = 0;
-
-out:
- return ret;
+ return IOINST_CC_EXPECTED;
}
-int css_do_csch(SubchDev *sch)
+IOInstEnding css_do_csch(SubchDev *sch)
{
SCSW *s = &sch->curr_status.scsw;
PMCW *p = &sch->curr_status.pmcw;
- int ret;
if (~(p->flags) & (PMCW_FLAGS_MASK_DNV | PMCW_FLAGS_MASK_ENA)) {
- ret = -ENODEV;
- goto out;
+ return IOINST_CC_NOT_OPERATIONAL;
}
/* Trigger the clear function. */
s->ctrl &= ~(SCSW_CTRL_MASK_FCTL | SCSW_CTRL_MASK_ACTL);
s->ctrl |= SCSW_FCTL_CLEAR_FUNC | SCSW_ACTL_CLEAR_PEND;
- do_subchannel_work(sch);
- ret = 0;
-
-out:
- return ret;
+ return do_subchannel_work(sch);
}
-int css_do_hsch(SubchDev *sch)
+IOInstEnding css_do_hsch(SubchDev *sch)
{
SCSW *s = &sch->curr_status.scsw;
PMCW *p = &sch->curr_status.pmcw;
- int ret;
if (~(p->flags) & (PMCW_FLAGS_MASK_DNV | PMCW_FLAGS_MASK_ENA)) {
- ret = -ENODEV;
- goto out;
+ return IOINST_CC_NOT_OPERATIONAL;
}
if (((s->ctrl & SCSW_CTRL_MASK_STCTL) == SCSW_STCTL_STATUS_PEND) ||
(s->ctrl & (SCSW_STCTL_PRIMARY |
SCSW_STCTL_SECONDARY |
SCSW_STCTL_ALERT))) {
- ret = -EINPROGRESS;
- goto out;
+ return IOINST_CC_STATUS_PRESENT;
}
if (s->ctrl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) {
- ret = -EBUSY;
- goto out;
+ return IOINST_CC_BUSY;
}
/* Trigger the halt function. */
@@ -1527,11 +1473,7 @@ int css_do_hsch(SubchDev *sch)
}
s->ctrl |= SCSW_ACTL_HALT_PEND;
- do_subchannel_work(sch);
- ret = 0;
-
-out:
- return ret;
+ return do_subchannel_work(sch);
}
static void css_update_chnmon(SubchDev *sch)
@@ -1569,27 +1511,23 @@ static void css_update_chnmon(SubchDev *sch)
}
}
-int css_do_ssch(SubchDev *sch, ORB *orb)
+IOInstEnding css_do_ssch(SubchDev *sch, ORB *orb)
{
SCSW *s = &sch->curr_status.scsw;
PMCW *p = &sch->curr_status.pmcw;
- int ret;
if (~(p->flags) & (PMCW_FLAGS_MASK_DNV | PMCW_FLAGS_MASK_ENA)) {
- ret = -ENODEV;
- goto out;
+ return IOINST_CC_NOT_OPERATIONAL;
}
if (s->ctrl & SCSW_STCTL_STATUS_PEND) {
- ret = -EINPROGRESS;
- goto out;
+ return IOINST_CC_STATUS_PRESENT;
}
if (s->ctrl & (SCSW_FCTL_START_FUNC |
SCSW_FCTL_HALT_FUNC |
SCSW_FCTL_CLEAR_FUNC)) {
- ret = -EBUSY;
- goto out;
+ return IOINST_CC_BUSY;
}
/* If monitoring is active, update counter. */
@@ -1602,10 +1540,7 @@ int css_do_ssch(SubchDev *sch, ORB *orb)
s->ctrl |= (SCSW_FCTL_START_FUNC | SCSW_ACTL_START_PEND);
s->flags &= ~SCSW_FLAGS_MASK_PNO;
- ret = do_subchannel_work(sch);
-
-out:
- return ret;
+ return do_subchannel_work(sch);
}
static void copy_irb_to_guest(IRB *dest, const IRB *src, PMCW *pmcw,
@@ -1778,7 +1713,7 @@ void css_undo_stcrw(CRW *crw)
{
CrwContainer *crw_cont;
- crw_cont = g_try_malloc0(sizeof(CrwContainer));
+ crw_cont = g_try_new0(CrwContainer, 1);
if (!crw_cont) {
channel_subsys.crws_lost = true;
return;
@@ -1852,27 +1787,23 @@ void css_do_schm(uint8_t mbk, int update, int dct, uint64_t mbo)
}
}
-int css_do_rsch(SubchDev *sch)
+IOInstEnding css_do_rsch(SubchDev *sch)
{
SCSW *s = &sch->curr_status.scsw;
PMCW *p = &sch->curr_status.pmcw;
- int ret;
if (~(p->flags) & (PMCW_FLAGS_MASK_DNV | PMCW_FLAGS_MASK_ENA)) {
- ret = -ENODEV;
- goto out;
+ return IOINST_CC_NOT_OPERATIONAL;
}
if (s->ctrl & SCSW_STCTL_STATUS_PEND) {
- ret = -EINPROGRESS;
- goto out;
+ return IOINST_CC_STATUS_PRESENT;
}
if (((s->ctrl & SCSW_CTRL_MASK_FCTL) != SCSW_FCTL_START_FUNC) ||
(s->ctrl & SCSW_ACTL_RESUME_PEND) ||
(!(s->ctrl & SCSW_ACTL_SUSP))) {
- ret = -EINVAL;
- goto out;
+ return IOINST_CC_BUSY;
}
/* If monitoring is active, update counter. */
@@ -1881,11 +1812,7 @@ int css_do_rsch(SubchDev *sch)
}
s->ctrl |= SCSW_ACTL_RESUME_PEND;
- do_subchannel_work(sch);
- ret = 0;
-
-out:
- return ret;
+ return do_subchannel_work(sch);
}
int css_do_rchp(uint8_t cssid, uint8_t chpid)
@@ -2185,7 +2112,7 @@ void css_subch_assign(uint8_t cssid, uint8_t ssid, uint16_t schid,
css = channel_subsys.css[cssid];
if (!css->sch_set[ssid]) {
- css->sch_set[ssid] = g_malloc0(sizeof(SubchSet));
+ css->sch_set[ssid] = g_new0(SubchSet, 1);
}
s_set = css->sch_set[ssid];
@@ -2206,7 +2133,7 @@ void css_queue_crw(uint8_t rsc, uint8_t erc, int solicited,
trace_css_crw(rsc, erc, rsid, chain ? "(chained)" : "");
/* TODO: Maybe use a static crw pool? */
- crw_cont = g_try_malloc0(sizeof(CrwContainer));
+ crw_cont = g_try_new0(CrwContainer, 1);
if (!crw_cont) {
channel_subsys.crws_lost = true;
return;
@@ -2498,7 +2425,7 @@ SubchDev *css_create_sch(CssDevId bus_id, bool is_virtual, bool squash_mcss,
}
}
- sch = g_malloc0(sizeof(*sch));
+ sch = g_new0(SubchDev, 1);
sch->cssid = bus_id.cssid;
sch->ssid = bus_id.ssid;
sch->devno = bus_id.devid;
diff --git a/hw/s390x/event-facility.c b/hw/s390x/event-facility.c
index 34b2faf..b0f71f4 100644
--- a/hw/s390x/event-facility.c
+++ b/hw/s390x/event-facility.c
@@ -259,23 +259,46 @@ out:
return;
}
+/* copy up to dst_len bytes and fill the rest of dst with zeroes */
+static void copy_mask(uint8_t *dst, uint8_t *src, uint16_t dst_len,
+ uint16_t src_len)
+{
+ int i;
+
+ for (i = 0; i < dst_len; i++) {
+ dst[i] = i < src_len ? src[i] : 0;
+ }
+}
+
static void write_event_mask(SCLPEventFacility *ef, SCCB *sccb)
{
WriteEventMask *we_mask = (WriteEventMask *) sccb;
+ uint16_t mask_length = be16_to_cpu(we_mask->mask_length);
+ uint32_t tmp_mask;
- /* Attention: We assume that Linux uses 4-byte masks, what it actually
- does. Architecture allows for masks of variable size, though */
- if (be16_to_cpu(we_mask->mask_length) != 4) {
+ if (!mask_length || (mask_length > SCLP_EVENT_MASK_LEN_MAX)) {
sccb->h.response_code = cpu_to_be16(SCLP_RC_INVALID_MASK_LENGTH);
goto out;
}
+ /*
+ * Note: We currently only support masks up to 4 byte length;
+ * the remainder is filled up with zeroes. Linux uses
+ * a 4 byte mask length.
+ */
+
/* keep track of the guest's capability masks */
- ef->receive_mask = be32_to_cpu(we_mask->cp_receive_mask);
+ copy_mask((uint8_t *)&tmp_mask, WEM_CP_RECEIVE_MASK(we_mask, mask_length),
+ sizeof(tmp_mask), mask_length);
+ ef->receive_mask = be32_to_cpu(tmp_mask);
/* return the SCLP's capability masks to the guest */
- we_mask->send_mask = cpu_to_be32(get_host_send_mask(ef));
- we_mask->receive_mask = cpu_to_be32(get_host_receive_mask(ef));
+ tmp_mask = cpu_to_be32(get_host_send_mask(ef));
+ copy_mask(WEM_RECEIVE_MASK(we_mask, mask_length), (uint8_t *)&tmp_mask,
+ mask_length, sizeof(tmp_mask));
+ tmp_mask = cpu_to_be32(get_host_receive_mask(ef));
+ copy_mask(WEM_SEND_MASK(we_mask, mask_length), (uint8_t *)&tmp_mask,
+ mask_length, sizeof(tmp_mask));
sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_COMPLETION);
diff --git a/hw/s390x/s390-ccw.c b/hw/s390x/s390-ccw.c
index 8614dda..0ef232e 100644
--- a/hw/s390x/s390-ccw.c
+++ b/hw/s390x/s390-ccw.c
@@ -18,15 +18,14 @@
#include "hw/s390x/css-bridge.h"
#include "hw/s390x/s390-ccw.h"
-int s390_ccw_cmd_request(ORB *orb, SCSW *scsw, void *data)
+IOInstEnding s390_ccw_cmd_request(SubchDev *sch)
{
- S390CCWDeviceClass *cdc = S390_CCW_DEVICE_GET_CLASS(data);
+ S390CCWDeviceClass *cdc = S390_CCW_DEVICE_GET_CLASS(sch->driver_data);
- if (cdc->handle_request) {
- return cdc->handle_request(orb, scsw, data);
- } else {
- return -ENOSYS;
+ if (!cdc->handle_request) {
+ return IOINST_CC_STATUS_PRESENT;
}
+ return cdc->handle_request(sch);
}
static void s390_ccw_get_dev_info(S390CCWDevice *cdev,
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index 96116b7..e7a58e8 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -240,7 +240,7 @@ static void s390_pci_generate_event(uint8_t cc, uint16_t pec, uint32_t fh,
SeiContainer *sei_cont;
S390pciState *s = s390_get_phb();
- sei_cont = g_malloc0(sizeof(SeiContainer));
+ sei_cont = g_new0(SeiContainer, 1);
sei_cont->fh = fh;
sei_cont->fid = fid;
sei_cont->cc = cc;
@@ -416,7 +416,7 @@ static S390PCIIOMMU *s390_pci_get_iommu(S390pciState *s, PCIBus *bus,
S390PCIIOMMU *iommu;
if (!table) {
- table = g_malloc0(sizeof(S390PCIIOMMUTable));
+ table = g_new0(S390PCIIOMMUTable, 1);
table->key = key;
g_hash_table_insert(s->iommu_table, &table->key, table);
}
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 32d3f11..baeafdc 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -52,15 +52,34 @@ S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu);
}
+static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id,
+ Error **errp)
+{
+ S390CPU *cpu = S390_CPU(object_new(typename));
+ Error *err = NULL;
+
+ object_property_set_int(OBJECT(cpu), core_id, "core-id", &err);
+ if (err != NULL) {
+ goto out;
+ }
+ object_property_set_bool(OBJECT(cpu), true, "realized", &err);
+
+out:
+ object_unref(OBJECT(cpu));
+ if (err) {
+ error_propagate(errp, err);
+ cpu = NULL;
+ }
+ return cpu;
+}
+
static void s390_init_cpus(MachineState *machine)
{
MachineClass *mc = MACHINE_GET_CLASS(machine);
int i;
if (tcg_enabled() && max_cpus > 1) {
- error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
- "supported by TCG (1) on s390x", max_cpus);
- exit(1);
+ error_report("WARNING: SMP support on s390x is experimental!");
}
/* initialize possible_cpus */
@@ -258,6 +277,9 @@ static void ccw_init(MachineState *machine)
s390_flic_init();
+ /* init the SIGP facility */
+ s390_init_sigp();
+
/* get a BUS */
css_bus = virtual_css_bus_init();
s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
@@ -397,9 +419,7 @@ static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
{
CPUState *cs = qemu_get_cpu(cpu_index);
- if (s390_cpu_restart(S390_CPU(cs))) {
- error_setg(errp, QERR_UNSUPPORTED);
- }
+ s390_cpu_restart(S390_CPU(cs));
}
static void ccw_machine_class_init(ObjectClass *oc, void *data)
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 085f17f..184515c 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -953,6 +953,15 @@ static void virtio_ccw_gpu_realize(VirtioCcwDevice *ccw_dev, Error **errp)
object_property_set_bool(OBJECT(vdev), true, "realized", errp);
}
+static void virtio_ccw_input_realize(VirtioCcwDevice *ccw_dev, Error **errp)
+{
+ VirtIOInputCcw *dev = VIRTIO_INPUT_CCW(ccw_dev);
+ DeviceState *vdev = DEVICE(&dev->vdev);
+
+ qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
+ object_property_set_bool(OBJECT(vdev), true, "realized", errp);
+}
+
/* DeviceState to VirtioCcwDevice. Note: used on datapath,
* be careful and test performance if you change this.
*/
@@ -1601,6 +1610,92 @@ static const TypeInfo virtio_ccw_gpu = {
.class_init = virtio_ccw_gpu_class_init,
};
+static Property virtio_ccw_input_properties[] = {
+ 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_input_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
+
+ k->realize = virtio_ccw_input_realize;
+ k->exit = virtio_ccw_exit;
+ dc->reset = virtio_ccw_reset;
+ dc->props = virtio_ccw_input_properties;
+ set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
+}
+
+static void virtio_ccw_keyboard_instance_init(Object *obj)
+{
+ VirtIOInputHIDCcw *dev = VIRTIO_INPUT_HID_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_KEYBOARD);
+}
+
+static void virtio_ccw_mouse_instance_init(Object *obj)
+{
+ VirtIOInputHIDCcw *dev = VIRTIO_INPUT_HID_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_MOUSE);
+}
+
+static void virtio_ccw_tablet_instance_init(Object *obj)
+{
+ VirtIOInputHIDCcw *dev = VIRTIO_INPUT_HID_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_TABLET);
+}
+
+static const TypeInfo virtio_ccw_input = {
+ .name = TYPE_VIRTIO_INPUT_CCW,
+ .parent = TYPE_VIRTIO_CCW_DEVICE,
+ .instance_size = sizeof(VirtIOInputCcw),
+ .class_init = virtio_ccw_input_class_init,
+ .abstract = true,
+};
+
+static const TypeInfo virtio_ccw_input_hid = {
+ .name = TYPE_VIRTIO_INPUT_HID_CCW,
+ .parent = TYPE_VIRTIO_INPUT_CCW,
+ .instance_size = sizeof(VirtIOInputHIDCcw),
+ .abstract = true,
+};
+
+static const TypeInfo virtio_ccw_keyboard = {
+ .name = TYPE_VIRTIO_KEYBOARD_CCW,
+ .parent = TYPE_VIRTIO_INPUT_HID_CCW,
+ .instance_size = sizeof(VirtIOInputHIDCcw),
+ .instance_init = virtio_ccw_keyboard_instance_init,
+};
+
+static const TypeInfo virtio_ccw_mouse = {
+ .name = TYPE_VIRTIO_MOUSE_CCW,
+ .parent = TYPE_VIRTIO_INPUT_HID_CCW,
+ .instance_size = sizeof(VirtIOInputHIDCcw),
+ .instance_init = virtio_ccw_mouse_instance_init,
+};
+
+static const TypeInfo virtio_ccw_tablet = {
+ .name = TYPE_VIRTIO_TABLET_CCW,
+ .parent = TYPE_VIRTIO_INPUT_HID_CCW,
+ .instance_size = sizeof(VirtIOInputHIDCcw),
+ .instance_init = virtio_ccw_tablet_instance_init,
+};
+
static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp)
{
VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
@@ -1801,6 +1896,11 @@ static void virtio_ccw_register(void)
#endif
type_register_static(&virtio_ccw_crypto);
type_register_static(&virtio_ccw_gpu);
+ type_register_static(&virtio_ccw_input);
+ type_register_static(&virtio_ccw_input_hid);
+ type_register_static(&virtio_ccw_keyboard);
+ type_register_static(&virtio_ccw_mouse);
+ type_register_static(&virtio_ccw_tablet);
}
type_init(virtio_ccw_register)
diff --git a/hw/s390x/virtio-ccw.h b/hw/s390x/virtio-ccw.h
index 541fdd2..3905f3a 100644
--- a/hw/s390x/virtio-ccw.h
+++ b/hw/s390x/virtio-ccw.h
@@ -28,6 +28,7 @@
#include "hw/virtio/vhost-vsock.h"
#endif /* CONFIG_VHOST_VSOCK */
#include "hw/virtio/virtio-gpu.h"
+#include "hw/virtio/virtio-input.h"
#include "hw/s390x/s390_flic.h"
#include "hw/s390x/css.h"
@@ -233,4 +234,25 @@ typedef struct VirtIOGPUCcw {
VirtIOGPU vdev;
} VirtIOGPUCcw;
+#define TYPE_VIRTIO_INPUT_CCW "virtio-input-ccw"
+#define VIRTIO_INPUT_CCW(obj) \
+ OBJECT_CHECK(VirtIOInputCcw, (obj), TYPE_VIRTIO_INPUT_CCW)
+
+typedef struct VirtIOInputCcw {
+ VirtioCcwDevice parent_obj;
+ VirtIOInput vdev;
+} VirtIOInputCcw;
+
+#define TYPE_VIRTIO_INPUT_HID_CCW "virtio-input-hid-ccw"
+#define TYPE_VIRTIO_KEYBOARD_CCW "virtio-keyboard-ccw"
+#define TYPE_VIRTIO_MOUSE_CCW "virtio-mouse-ccw"
+#define TYPE_VIRTIO_TABLET_CCW "virtio-tablet-ccw"
+#define VIRTIO_INPUT_HID_CCW(obj) \
+ OBJECT_CHECK(VirtIOInputHIDCcw, (obj), TYPE_VIRTIO_INPUT_HID_CCW)
+
+typedef struct VirtIOInputHIDCcw {
+ VirtioCcwDevice parent_obj;
+ VirtIOInputHID vdev;
+} VirtIOInputHIDCcw;
+
#endif
diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c
index 76323c6..636729c 100644
--- a/hw/vfio/ccw.c
+++ b/hw/vfio/ccw.c
@@ -47,9 +47,9 @@ struct VFIODeviceOps vfio_ccw_ops = {
.vfio_compute_needs_reset = vfio_ccw_compute_needs_reset,
};
-static int vfio_ccw_handle_request(ORB *orb, SCSW *scsw, void *data)
+static IOInstEnding vfio_ccw_handle_request(SubchDev *sch)
{
- S390CCWDevice *cdev = data;
+ S390CCWDevice *cdev = sch->driver_data;
VFIOCCWDevice *vcdev = DO_UPCAST(VFIOCCWDevice, cdev, cdev);
struct ccw_io_region *region = vcdev->io_region;
int ret;
@@ -60,8 +60,8 @@ static int vfio_ccw_handle_request(ORB *orb, SCSW *scsw, void *data)
memset(region, 0, sizeof(*region));
- memcpy(region->orb_area, orb, sizeof(ORB));
- memcpy(region->scsw_area, scsw, sizeof(SCSW));
+ memcpy(region->orb_area, &sch->orb, sizeof(ORB));
+ memcpy(region->scsw_area, &sch->curr_status.scsw, sizeof(SCSW));
again:
ret = pwrite(vcdev->vdev.fd, region,
@@ -71,10 +71,24 @@ again:
goto again;
}
error_report("vfio-ccw: wirte I/O region failed with errno=%d", errno);
- return -errno;
+ ret = -errno;
+ } else {
+ ret = region->ret_code;
+ }
+ switch (ret) {
+ case 0:
+ return IOINST_CC_EXPECTED;
+ case -EBUSY:
+ return IOINST_CC_BUSY;
+ case -ENODEV:
+ case -EACCES:
+ return IOINST_CC_NOT_OPERATIONAL;
+ case -EFAULT:
+ default:
+ sch_gen_unit_exception(sch);
+ css_inject_io_interrupt(sch);
+ return IOINST_CC_EXPECTED;
}
-
- return region->ret_code;
}
static void vfio_ccw_reset(DeviceState *dev)
generated by cgit v1.1 at 2024-11-03 10:14:48 +0000