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-rw-r--r--hw/intc/s390_flic_kvm.c4
-rw-r--r--hw/s390x/s390-pci-bus.c361
-rw-r--r--hw/s390x/s390-pci-bus.h46
-rw-r--r--hw/s390x/s390-pci-inst.c74
-rw-r--r--hw/s390x/s390-pci-inst.h2
-rw-r--r--hw/s390x/s390-virtio-ccw.c19
-rw-r--r--hw/s390x/virtio-ccw.c2
-rw-r--r--hw/virtio/virtio.c5
-rw-r--r--include/hw/virtio/virtio.h1
-rw-r--r--target/s390x/kvm.c2
10 files changed, 334 insertions, 182 deletions
diff --git a/hw/intc/s390_flic_kvm.c b/hw/intc/s390_flic_kvm.c
index 21ac2e2..c313166 100644
--- a/hw/intc/s390_flic_kvm.c
+++ b/hw/intc/s390_flic_kvm.c
@@ -201,7 +201,7 @@ static int kvm_s390_register_io_adapter(S390FLICState *fs, uint32_t id,
.addr = (uint64_t)&adapter,
};
- if (!kvm_check_extension(kvm_state, KVM_CAP_IRQ_ROUTING)) {
+ if (!kvm_gsi_routing_enabled()) {
/* nothing to do */
return 0;
}
@@ -226,7 +226,7 @@ static int kvm_s390_io_adapter_map(S390FLICState *fs, uint32_t id,
KVMS390FLICState *flic = KVM_S390_FLIC(fs);
int r;
- if (!kvm_check_extension(kvm_state, KVM_CAP_IRQ_ROUTING)) {
+ if (!kvm_gsi_routing_enabled()) {
/* nothing to do */
return 0;
}
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index 63f6248..69b0291 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -19,6 +19,7 @@
#include "s390-pci-bus.h"
#include "s390-pci-inst.h"
#include "hw/pci/pci_bus.h"
+#include "hw/pci/pci_bridge.h"
#include "hw/pci/msi.h"
#include "qemu/error-report.h"
@@ -31,7 +32,7 @@
do { } while (0)
#endif
-static S390pciState *s390_get_phb(void)
+S390pciState *s390_get_phb(void)
{
static S390pciState *phb;
@@ -91,35 +92,25 @@ int chsc_sei_nt2_have_event(void)
return !QTAILQ_EMPTY(&s->pending_sei);
}
-S390PCIBusDevice *s390_pci_find_next_avail_dev(S390PCIBusDevice *pbdev)
+S390PCIBusDevice *s390_pci_find_next_avail_dev(S390pciState *s,
+ S390PCIBusDevice *pbdev)
{
- int idx = 0;
- S390PCIBusDevice *dev = NULL;
- S390pciState *s = s390_get_phb();
-
- if (pbdev) {
- idx = (pbdev->fh & FH_MASK_INDEX) + 1;
- }
+ S390PCIBusDevice *ret = pbdev ? QTAILQ_NEXT(pbdev, link) :
+ QTAILQ_FIRST(&s->zpci_devs);
- for (; idx < PCI_SLOT_MAX; idx++) {
- dev = s->pbdev[idx];
- if (dev && dev->state != ZPCI_FS_RESERVED) {
- return dev;
- }
+ while (ret && ret->state == ZPCI_FS_RESERVED) {
+ ret = QTAILQ_NEXT(ret, link);
}
- return NULL;
+ return ret;
}
-S390PCIBusDevice *s390_pci_find_dev_by_fid(uint32_t fid)
+S390PCIBusDevice *s390_pci_find_dev_by_fid(S390pciState *s, uint32_t fid)
{
S390PCIBusDevice *pbdev;
- int i;
- S390pciState *s = s390_get_phb();
- for (i = 0; i < PCI_SLOT_MAX; i++) {
- pbdev = s->pbdev[i];
- if (pbdev && pbdev->fid == fid) {
+ QTAILQ_FOREACH(pbdev, &s->zpci_devs, link) {
+ if (pbdev->fid == fid) {
return pbdev;
}
}
@@ -130,7 +121,8 @@ S390PCIBusDevice *s390_pci_find_dev_by_fid(uint32_t fid)
void s390_pci_sclp_configure(SCCB *sccb)
{
PciCfgSccb *psccb = (PciCfgSccb *)sccb;
- S390PCIBusDevice *pbdev = s390_pci_find_dev_by_fid(be32_to_cpu(psccb->aid));
+ S390PCIBusDevice *pbdev = s390_pci_find_dev_by_fid(s390_get_phb(),
+ be32_to_cpu(psccb->aid));
uint16_t rc;
if (be16_to_cpu(sccb->h.length) < 16) {
@@ -162,7 +154,8 @@ out:
void s390_pci_sclp_deconfigure(SCCB *sccb)
{
PciCfgSccb *psccb = (PciCfgSccb *)sccb;
- S390PCIBusDevice *pbdev = s390_pci_find_dev_by_fid(be32_to_cpu(psccb->aid));
+ S390PCIBusDevice *pbdev = s390_pci_find_dev_by_fid(s390_get_phb(),
+ be32_to_cpu(psccb->aid));
uint16_t rc;
if (be16_to_cpu(sccb->h.length) < 16) {
@@ -187,8 +180,8 @@ void s390_pci_sclp_deconfigure(SCCB *sccb)
if (pbdev->summary_ind) {
pci_dereg_irqs(pbdev);
}
- if (pbdev->iommu_enabled) {
- pci_dereg_ioat(pbdev);
+ if (pbdev->iommu->enabled) {
+ pci_dereg_ioat(pbdev->iommu);
}
pbdev->state = ZPCI_FS_STANDBY;
rc = SCLP_RC_NORMAL_COMPLETION;
@@ -201,18 +194,11 @@ out:
psccb->header.response_code = cpu_to_be16(rc);
}
-static S390PCIBusDevice *s390_pci_find_dev_by_uid(uint16_t uid)
+static S390PCIBusDevice *s390_pci_find_dev_by_uid(S390pciState *s, uint16_t uid)
{
- int i;
S390PCIBusDevice *pbdev;
- S390pciState *s = s390_get_phb();
-
- for (i = 0; i < PCI_SLOT_MAX; i++) {
- pbdev = s->pbdev[i];
- if (!pbdev) {
- continue;
- }
+ QTAILQ_FOREACH(pbdev, &s->zpci_devs, link) {
if (pbdev->uid == uid) {
return pbdev;
}
@@ -221,22 +207,16 @@ static S390PCIBusDevice *s390_pci_find_dev_by_uid(uint16_t uid)
return NULL;
}
-static S390PCIBusDevice *s390_pci_find_dev_by_target(const char *target)
+static S390PCIBusDevice *s390_pci_find_dev_by_target(S390pciState *s,
+ const char *target)
{
- int i;
S390PCIBusDevice *pbdev;
- S390pciState *s = s390_get_phb();
if (!target) {
return NULL;
}
- for (i = 0; i < PCI_SLOT_MAX; i++) {
- pbdev = s->pbdev[i];
- if (!pbdev) {
- continue;
- }
-
+ QTAILQ_FOREACH(pbdev, &s->zpci_devs, link) {
if (!strcmp(pbdev->target, target)) {
return pbdev;
}
@@ -245,19 +225,16 @@ static S390PCIBusDevice *s390_pci_find_dev_by_target(const char *target)
return NULL;
}
-S390PCIBusDevice *s390_pci_find_dev_by_idx(uint32_t idx)
+S390PCIBusDevice *s390_pci_find_dev_by_idx(S390pciState *s, uint32_t idx)
{
- S390pciState *s = s390_get_phb();
-
- return s->pbdev[idx & FH_MASK_INDEX];
+ return g_hash_table_lookup(s->zpci_table, &idx);
}
-S390PCIBusDevice *s390_pci_find_dev_by_fh(uint32_t fh)
+S390PCIBusDevice *s390_pci_find_dev_by_fh(S390pciState *s, uint32_t fh)
{
- S390pciState *s = s390_get_phb();
- S390PCIBusDevice *pbdev;
+ uint32_t idx = FH_MASK_INDEX & fh;
+ S390PCIBusDevice *pbdev = s390_pci_find_dev_by_idx(s, idx);
- pbdev = s->pbdev[fh & FH_MASK_INDEX];
if (pbdev && pbdev->fh == fh) {
return pbdev;
}
@@ -377,12 +354,12 @@ out:
return pte;
}
-static IOMMUTLBEntry s390_translate_iommu(MemoryRegion *iommu, hwaddr addr,
+static IOMMUTLBEntry s390_translate_iommu(MemoryRegion *mr, hwaddr addr,
bool is_write)
{
uint64_t pte;
uint32_t flags;
- S390PCIBusDevice *pbdev = container_of(iommu, S390PCIBusDevice, iommu_mr);
+ S390PCIIOMMU *iommu = container_of(mr, S390PCIIOMMU, iommu_mr);
IOMMUTLBEntry ret = {
.target_as = &address_space_memory,
.iova = 0,
@@ -391,10 +368,10 @@ static IOMMUTLBEntry s390_translate_iommu(MemoryRegion *iommu, hwaddr addr,
.perm = IOMMU_NONE,
};
- switch (pbdev->state) {
+ switch (iommu->pbdev->state) {
case ZPCI_FS_ENABLED:
case ZPCI_FS_BLOCKED:
- if (!pbdev->iommu_enabled) {
+ if (!iommu->enabled) {
return ret;
}
break;
@@ -404,11 +381,11 @@ static IOMMUTLBEntry s390_translate_iommu(MemoryRegion *iommu, hwaddr addr,
DPRINTF("iommu trans addr 0x%" PRIx64 "\n", addr);
- if (addr < pbdev->pba || addr > pbdev->pal) {
+ if (addr < iommu->pba || addr > iommu->pal) {
return ret;
}
- pte = s390_guest_io_table_walk(s390_pci_get_table_origin(pbdev->g_iota),
+ pte = s390_guest_io_table_walk(s390_pci_get_table_origin(iommu->g_iota),
addr);
if (!pte) {
return ret;
@@ -432,11 +409,48 @@ static const MemoryRegionIOMMUOps s390_iommu_ops = {
.translate = s390_translate_iommu,
};
+static S390PCIIOMMU *s390_pci_get_iommu(S390pciState *s, PCIBus *bus,
+ int devfn)
+{
+ uint64_t key = (uintptr_t)bus;
+ S390PCIIOMMUTable *table = g_hash_table_lookup(s->iommu_table, &key);
+ S390PCIIOMMU *iommu;
+
+ if (!table) {
+ table = g_malloc0(sizeof(S390PCIIOMMUTable));
+ table->key = key;
+ g_hash_table_insert(s->iommu_table, &table->key, table);
+ }
+
+ iommu = table->iommu[PCI_SLOT(devfn)];
+ if (!iommu) {
+ iommu = S390_PCI_IOMMU(object_new(TYPE_S390_PCI_IOMMU));
+
+ char *mr_name = g_strdup_printf("iommu-root-%02x:%02x.%01x",
+ pci_bus_num(bus),
+ PCI_SLOT(devfn),
+ PCI_FUNC(devfn));
+ char *as_name = g_strdup_printf("iommu-pci-%02x:%02x.%01x",
+ pci_bus_num(bus),
+ PCI_SLOT(devfn),
+ PCI_FUNC(devfn));
+ memory_region_init(&iommu->mr, OBJECT(iommu), mr_name, UINT64_MAX);
+ address_space_init(&iommu->as, &iommu->mr, as_name);
+ table->iommu[PCI_SLOT(devfn)] = iommu;
+
+ g_free(mr_name);
+ g_free(as_name);
+ }
+
+ return iommu;
+}
+
static AddressSpace *s390_pci_dma_iommu(PCIBus *bus, void *opaque, int devfn)
{
S390pciState *s = opaque;
+ S390PCIIOMMU *iommu = s390_pci_get_iommu(s, bus, devfn);
- return &s->iommu[PCI_SLOT(devfn)]->as;
+ return &iommu->as;
}
static uint8_t set_ind_atomic(uint64_t ind_loc, uint8_t to_be_set)
@@ -503,34 +517,38 @@ static const MemoryRegionOps s390_msi_ctrl_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
-void s390_pci_iommu_enable(S390PCIBusDevice *pbdev)
+void s390_pci_iommu_enable(S390PCIIOMMU *iommu)
{
- memory_region_init_iommu(&pbdev->iommu_mr, OBJECT(&pbdev->iommu->mr),
- &s390_iommu_ops, "iommu-s390", pbdev->pal + 1);
- memory_region_add_subregion(&pbdev->iommu->mr, 0, &pbdev->iommu_mr);
- pbdev->iommu_enabled = true;
+ char *name = g_strdup_printf("iommu-s390-%04x", iommu->pbdev->uid);
+ memory_region_init_iommu(&iommu->iommu_mr, OBJECT(&iommu->mr),
+ &s390_iommu_ops, name, iommu->pal + 1);
+ iommu->enabled = true;
+ memory_region_add_subregion(&iommu->mr, 0, &iommu->iommu_mr);
+ g_free(name);
}
-void s390_pci_iommu_disable(S390PCIBusDevice *pbdev)
+void s390_pci_iommu_disable(S390PCIIOMMU *iommu)
{
- memory_region_del_subregion(&pbdev->iommu->mr, &pbdev->iommu_mr);
- object_unparent(OBJECT(&pbdev->iommu_mr));
- pbdev->iommu_enabled = false;
+ iommu->enabled = false;
+ memory_region_del_subregion(&iommu->mr, &iommu->iommu_mr);
+ object_unparent(OBJECT(&iommu->iommu_mr));
}
-static void s390_pcihost_init_as(S390pciState *s)
+static void s390_pci_iommu_free(S390pciState *s, PCIBus *bus, int32_t devfn)
{
- int i;
- S390PCIIOMMU *iommu;
+ uint64_t key = (uintptr_t)bus;
+ S390PCIIOMMUTable *table = g_hash_table_lookup(s->iommu_table, &key);
+ S390PCIIOMMU *iommu = table ? table->iommu[PCI_SLOT(devfn)] : NULL;
- for (i = 0; i < PCI_SLOT_MAX; i++) {
- iommu = g_malloc0(sizeof(S390PCIIOMMU));
- memory_region_init(&iommu->mr, OBJECT(s),
- "iommu-root-s390", UINT64_MAX);
- address_space_init(&iommu->as, &iommu->mr, "iommu-pci");
-
- s->iommu[i] = iommu;
+ if (!table || !iommu) {
+ return;
}
+
+ table->iommu[PCI_SLOT(devfn)] = NULL;
+ address_space_destroy(&iommu->as);
+ object_unparent(OBJECT(&iommu->mr));
+ object_unparent(OBJECT(iommu));
+ object_unref(OBJECT(iommu));
}
static int s390_pcihost_init(SysBusDevice *dev)
@@ -546,7 +564,6 @@ static int s390_pcihost_init(SysBusDevice *dev)
s390_pci_set_irq, s390_pci_map_irq, NULL,
get_system_memory(), get_system_io(), 0, 64,
TYPE_PCI_BUS);
- s390_pcihost_init_as(s);
pci_setup_iommu(b, s390_pci_dma_iommu, s);
bus = BUS(b);
@@ -556,12 +573,18 @@ static int s390_pcihost_init(SysBusDevice *dev)
s->bus = S390_PCI_BUS(qbus_create(TYPE_S390_PCI_BUS, DEVICE(s), NULL));
qbus_set_hotplug_handler(BUS(s->bus), DEVICE(s), NULL);
+ s->iommu_table = g_hash_table_new_full(g_int64_hash, g_int64_equal,
+ NULL, g_free);
+ s->zpci_table = g_hash_table_new_full(g_int_hash, g_int_equal, NULL, NULL);
+ s->bus_no = 0;
QTAILQ_INIT(&s->pending_sei);
+ QTAILQ_INIT(&s->zpci_devs);
return 0;
}
-static int s390_pci_setup_msix(S390PCIBusDevice *pbdev)
+static int s390_pci_msix_init(S390PCIBusDevice *pbdev)
{
+ char *name;
uint8_t pos;
uint16_t ctrl;
uint32_t table, pba;
@@ -569,7 +592,7 @@ static int s390_pci_setup_msix(S390PCIBusDevice *pbdev)
pos = pci_find_capability(pbdev->pdev, PCI_CAP_ID_MSIX);
if (!pos) {
pbdev->msix.available = false;
- return 0;
+ return -1;
}
ctrl = pci_host_config_read_common(pbdev->pdev, pos + PCI_MSIX_FLAGS,
@@ -585,21 +608,15 @@ static int s390_pci_setup_msix(S390PCIBusDevice *pbdev)
pbdev->msix.pba_offset = pba & ~PCI_MSIX_FLAGS_BIRMASK;
pbdev->msix.entries = (ctrl & PCI_MSIX_FLAGS_QSIZE) + 1;
pbdev->msix.available = true;
- return 0;
-}
-
-static void s390_pci_msix_init(S390PCIBusDevice *pbdev)
-{
- char *name;
name = g_strdup_printf("msix-s390-%04x", pbdev->uid);
-
memory_region_init_io(&pbdev->msix_notify_mr, OBJECT(pbdev),
&s390_msi_ctrl_ops, pbdev, name, PAGE_SIZE);
memory_region_add_subregion(&pbdev->iommu->mr, ZPCI_MSI_ADDR,
&pbdev->msix_notify_mr);
-
g_free(name);
+
+ return 0;
}
static void s390_pci_msix_free(S390PCIBusDevice *pbdev)
@@ -608,10 +625,10 @@ static void s390_pci_msix_free(S390PCIBusDevice *pbdev)
object_unparent(OBJECT(&pbdev->msix_notify_mr));
}
-static S390PCIBusDevice *s390_pci_device_new(const char *target)
+static S390PCIBusDevice *s390_pci_device_new(S390pciState *s,
+ const char *target)
{
DeviceState *dev = NULL;
- S390pciState *s = s390_get_phb();
dev = qdev_try_create(BUS(s->bus), TYPE_S390_PCI_DEVICE);
if (!dev) {
@@ -624,6 +641,24 @@ static S390PCIBusDevice *s390_pci_device_new(const char *target)
return S390_PCI_DEVICE(dev);
}
+static bool s390_pci_alloc_idx(S390pciState *s, S390PCIBusDevice *pbdev)
+{
+ uint32_t idx;
+
+ idx = s->next_idx;
+ while (s390_pci_find_dev_by_idx(s, idx)) {
+ idx = (idx + 1) & FH_MASK_INDEX;
+ if (idx == s->next_idx) {
+ return false;
+ }
+ }
+
+ pbdev->idx = idx;
+ s->next_idx = (idx + 1) & FH_MASK_INDEX;
+
+ return true;
+}
+
static void s390_pcihost_hot_plug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
@@ -631,7 +666,28 @@ static void s390_pcihost_hot_plug(HotplugHandler *hotplug_dev,
S390PCIBusDevice *pbdev = NULL;
S390pciState *s = s390_get_phb();
- if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
+ if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_BRIDGE)) {
+ BusState *bus;
+ PCIBridge *pb = PCI_BRIDGE(dev);
+ PCIDevice *pdev = PCI_DEVICE(dev);
+
+ pci_bridge_map_irq(pb, dev->id, s390_pci_map_irq);
+ pci_setup_iommu(&pb->sec_bus, s390_pci_dma_iommu, s);
+
+ bus = BUS(&pb->sec_bus);
+ qbus_set_hotplug_handler(bus, DEVICE(s), errp);
+
+ if (dev->hotplugged) {
+ pci_default_write_config(pdev, PCI_PRIMARY_BUS, s->bus_no, 1);
+ s->bus_no += 1;
+ pci_default_write_config(pdev, PCI_SECONDARY_BUS, s->bus_no, 1);
+ do {
+ pdev = pdev->bus->parent_dev;
+ pci_default_write_config(pdev, PCI_SUBORDINATE_BUS,
+ s->bus_no, 1);
+ } while (pdev->bus && pci_bus_num(pdev->bus));
+ }
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
pdev = PCI_DEVICE(dev);
if (!dev->id) {
@@ -643,9 +699,9 @@ static void s390_pcihost_hot_plug(HotplugHandler *hotplug_dev,
PCI_FUNC(pdev->devfn));
}
- pbdev = s390_pci_find_dev_by_target(dev->id);
+ pbdev = s390_pci_find_dev_by_target(s, dev->id);
if (!pbdev) {
- pbdev = s390_pci_device_new(dev->id);
+ pbdev = s390_pci_device_new(s, dev->id);
if (!pbdev) {
error_setg(errp, "create zpci device failed");
return;
@@ -659,29 +715,30 @@ static void s390_pcihost_hot_plug(HotplugHandler *hotplug_dev,
}
pbdev->pdev = pdev;
- pbdev->iommu = s->iommu[PCI_SLOT(pdev->devfn)];
+ pbdev->iommu = s390_pci_get_iommu(s, pdev->bus, pdev->devfn);
+ pbdev->iommu->pbdev = pbdev;
pbdev->state = ZPCI_FS_STANDBY;
- s390_pci_msix_init(pbdev);
- s390_pci_setup_msix(pbdev);
+ if (s390_pci_msix_init(pbdev)) {
+ error_setg(errp, "MSI-X support is mandatory "
+ "in the S390 architecture");
+ return;
+ }
if (dev->hotplugged) {
s390_pci_generate_plug_event(HP_EVENT_RESERVED_TO_STANDBY,
pbdev->fh, pbdev->fid);
}
} else if (object_dynamic_cast(OBJECT(dev), TYPE_S390_PCI_DEVICE)) {
- int idx;
-
pbdev = S390_PCI_DEVICE(dev);
- for (idx = 0; idx < PCI_SLOT_MAX; idx++) {
- if (!s->pbdev[idx]) {
- s->pbdev[idx] = pbdev;
- pbdev->fh = idx;
- return;
- }
- }
- error_setg(errp, "no slot for plugging zpci device");
+ if (!s390_pci_alloc_idx(s, pbdev)) {
+ error_setg(errp, "no slot for plugging zpci device");
+ return;
+ }
+ pbdev->fh = pbdev->idx;
+ QTAILQ_INSERT_TAIL(&s->zpci_devs, pbdev, link);
+ g_hash_table_insert(s->zpci_table, &pbdev->idx, pbdev);
}
}
@@ -692,8 +749,8 @@ static void s390_pcihost_timer_cb(void *opaque)
if (pbdev->summary_ind) {
pci_dereg_irqs(pbdev);
}
- if (pbdev->iommu_enabled) {
- pci_dereg_ioat(pbdev);
+ if (pbdev->iommu->enabled) {
+ pci_dereg_ioat(pbdev->iommu);
}
pbdev->state = ZPCI_FS_STANDBY;
@@ -705,17 +762,20 @@ static void s390_pcihost_timer_cb(void *opaque)
static void s390_pcihost_hot_unplug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
- int i;
PCIDevice *pci_dev = NULL;
+ PCIBus *bus;
+ int32_t devfn;
S390PCIBusDevice *pbdev = NULL;
S390pciState *s = s390_get_phb();
- if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
+ if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_BRIDGE)) {
+ error_setg(errp, "PCI bridge hot unplug currently not supported");
+ return;
+ } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
pci_dev = PCI_DEVICE(dev);
- for (i = 0 ; i < PCI_SLOT_MAX; i++) {
- if (s->pbdev[i] && s->pbdev[i]->pdev == pci_dev) {
- pbdev = s->pbdev[i];
+ QTAILQ_FOREACH(pbdev, &s->zpci_devs, link) {
+ if (pbdev->pdev == pci_dev) {
break;
}
}
@@ -749,16 +809,58 @@ static void s390_pcihost_hot_unplug(HotplugHandler *hotplug_dev,
s390_pci_generate_plug_event(HP_EVENT_STANDBY_TO_RESERVED,
pbdev->fh, pbdev->fid);
+ bus = pci_dev->bus;
+ devfn = pci_dev->devfn;
object_unparent(OBJECT(pci_dev));
s390_pci_msix_free(pbdev);
+ s390_pci_iommu_free(s, bus, devfn);
pbdev->pdev = NULL;
pbdev->state = ZPCI_FS_RESERVED;
out:
pbdev->fid = 0;
- s->pbdev[pbdev->fh & FH_MASK_INDEX] = NULL;
+ QTAILQ_REMOVE(&s->zpci_devs, pbdev, link);
+ g_hash_table_remove(s->zpci_table, &pbdev->idx);
object_unparent(OBJECT(pbdev));
}
+static void s390_pci_enumerate_bridge(PCIBus *bus, PCIDevice *pdev,
+ void *opaque)
+{
+ S390pciState *s = opaque;
+ unsigned int primary = s->bus_no;
+ unsigned int subordinate = 0xff;
+ PCIBus *sec_bus = NULL;
+
+ if ((pci_default_read_config(pdev, PCI_HEADER_TYPE, 1) !=
+ PCI_HEADER_TYPE_BRIDGE)) {
+ return;
+ }
+
+ (s->bus_no)++;
+ pci_default_write_config(pdev, PCI_PRIMARY_BUS, primary, 1);
+ pci_default_write_config(pdev, PCI_SECONDARY_BUS, s->bus_no, 1);
+ pci_default_write_config(pdev, PCI_SUBORDINATE_BUS, s->bus_no, 1);
+
+ sec_bus = pci_bridge_get_sec_bus(PCI_BRIDGE(pdev));
+ if (!sec_bus) {
+ return;
+ }
+
+ pci_default_write_config(pdev, PCI_SUBORDINATE_BUS, subordinate, 1);
+ pci_for_each_device(sec_bus, pci_bus_num(sec_bus),
+ s390_pci_enumerate_bridge, s);
+ pci_default_write_config(pdev, PCI_SUBORDINATE_BUS, s->bus_no, 1);
+}
+
+static void s390_pcihost_reset(DeviceState *dev)
+{
+ S390pciState *s = S390_PCI_HOST_BRIDGE(dev);
+ PCIBus *bus = s->parent_obj.bus;
+
+ s->bus_no = 0;
+ pci_for_each_device(bus, pci_bus_num(bus), s390_pci_enumerate_bridge, s);
+}
+
static void s390_pcihost_class_init(ObjectClass *klass, void *data)
{
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
@@ -766,6 +868,7 @@ static void s390_pcihost_class_init(ObjectClass *klass, void *data)
HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
dc->cannot_instantiate_with_device_add_yet = true;
+ dc->reset = s390_pcihost_reset;
k->init = s390_pcihost_init;
hc->plug = s390_pcihost_hot_plug;
hc->unplug = s390_pcihost_hot_unplug;
@@ -789,13 +892,13 @@ static const TypeInfo s390_pcibus_info = {
.instance_size = sizeof(S390PCIBus),
};
-static uint16_t s390_pci_generate_uid(void)
+static uint16_t s390_pci_generate_uid(S390pciState *s)
{
uint16_t uid = 0;
do {
uid++;
- if (!s390_pci_find_dev_by_uid(uid)) {
+ if (!s390_pci_find_dev_by_uid(s, uid)) {
return uid;
}
} while (uid < ZPCI_MAX_UID);
@@ -803,12 +906,12 @@ static uint16_t s390_pci_generate_uid(void)
return UID_UNDEFINED;
}
-static uint32_t s390_pci_generate_fid(Error **errp)
+static uint32_t s390_pci_generate_fid(S390pciState *s, Error **errp)
{
uint32_t fid = 0;
do {
- if (!s390_pci_find_dev_by_fid(fid)) {
+ if (!s390_pci_find_dev_by_fid(s, fid)) {
return fid;
}
} while (fid++ != ZPCI_MAX_FID);
@@ -820,25 +923,26 @@ static uint32_t s390_pci_generate_fid(Error **errp)
static void s390_pci_device_realize(DeviceState *dev, Error **errp)
{
S390PCIBusDevice *zpci = S390_PCI_DEVICE(dev);
+ S390pciState *s = s390_get_phb();
if (!zpci->target) {
error_setg(errp, "target must be defined");
return;
}
- if (s390_pci_find_dev_by_target(zpci->target)) {
+ if (s390_pci_find_dev_by_target(s, zpci->target)) {
error_setg(errp, "target %s already has an associated zpci device",
zpci->target);
return;
}
if (zpci->uid == UID_UNDEFINED) {
- zpci->uid = s390_pci_generate_uid();
+ zpci->uid = s390_pci_generate_uid(s);
if (!zpci->uid) {
error_setg(errp, "no free uid could be found");
return;
}
- } else if (s390_pci_find_dev_by_uid(zpci->uid)) {
+ } else if (s390_pci_find_dev_by_uid(s, zpci->uid)) {
error_setg(errp, "uid %u already in use", zpci->uid);
return;
}
@@ -846,12 +950,12 @@ static void s390_pci_device_realize(DeviceState *dev, Error **errp)
if (!zpci->fid_defined) {
Error *local_error = NULL;
- zpci->fid = s390_pci_generate_fid(&local_error);
+ zpci->fid = s390_pci_generate_fid(s, &local_error);
if (local_error) {
error_propagate(errp, local_error);
return;
}
- } else if (s390_pci_find_dev_by_fid(zpci->fid)) {
+ } else if (s390_pci_find_dev_by_fid(s, zpci->fid)) {
error_setg(errp, "fid %u already in use", zpci->fid);
return;
}
@@ -877,8 +981,8 @@ static void s390_pci_device_reset(DeviceState *dev)
if (pbdev->summary_ind) {
pci_dereg_irqs(pbdev);
}
- if (pbdev->iommu_enabled) {
- pci_dereg_ioat(pbdev);
+ if (pbdev->iommu->enabled) {
+ pci_dereg_ioat(pbdev->iommu);
}
pbdev->fmb_addr = 0;
@@ -944,11 +1048,18 @@ static const TypeInfo s390_pci_device_info = {
.class_init = s390_pci_device_class_init,
};
+static TypeInfo s390_pci_iommu_info = {
+ .name = TYPE_S390_PCI_IOMMU,
+ .parent = TYPE_OBJECT,
+ .instance_size = sizeof(S390PCIIOMMU),
+};
+
static void s390_pci_register_types(void)
{
type_register_static(&s390_pcihost_info);
type_register_static(&s390_pcibus_info);
type_register_static(&s390_pci_device_info);
+ type_register_static(&s390_pci_iommu_info);
}
type_init(s390_pci_register_types)
diff --git a/hw/s390x/s390-pci-bus.h b/hw/s390x/s390-pci-bus.h
index 7f27013..b0adefa 100644
--- a/hw/s390x/s390-pci-bus.h
+++ b/hw/s390x/s390-pci-bus.h
@@ -23,10 +23,11 @@
#define TYPE_S390_PCI_HOST_BRIDGE "s390-pcihost"
#define TYPE_S390_PCI_BUS "s390-pcibus"
#define TYPE_S390_PCI_DEVICE "zpci"
+#define TYPE_S390_PCI_IOMMU "s390-pci-iommu"
#define FH_MASK_ENABLE 0x80000000
#define FH_MASK_INSTANCE 0x7f000000
#define FH_MASK_SHM 0x00ff0000
-#define FH_MASK_INDEX 0x0000001f
+#define FH_MASK_INDEX 0x0000ffff
#define FH_SHM_VFIO 0x00010000
#define FH_SHM_EMUL 0x00020000
#define S390_PCIPT_ADAPTER 2
@@ -42,6 +43,8 @@
OBJECT_CHECK(S390PCIBus, (obj), TYPE_S390_PCI_BUS)
#define S390_PCI_DEVICE(obj) \
OBJECT_CHECK(S390PCIBusDevice, (obj), TYPE_S390_PCI_DEVICE)
+#define S390_PCI_IOMMU(obj) \
+ OBJECT_CHECK(S390PCIIOMMU, (obj), TYPE_S390_PCI_IOMMU)
#define HP_EVENT_TO_CONFIGURED 0x0301
#define HP_EVENT_RESERVED_TO_STANDBY 0x0302
@@ -258,24 +261,34 @@ typedef struct S390MsixInfo {
uint32_t pba_offset;
} S390MsixInfo;
+typedef struct S390PCIBusDevice S390PCIBusDevice;
typedef struct S390PCIIOMMU {
+ Object parent_obj;
+ S390PCIBusDevice *pbdev;
AddressSpace as;
MemoryRegion mr;
+ MemoryRegion iommu_mr;
+ bool enabled;
+ uint64_t g_iota;
+ uint64_t pba;
+ uint64_t pal;
} S390PCIIOMMU;
+typedef struct S390PCIIOMMUTable {
+ uint64_t key;
+ S390PCIIOMMU *iommu[PCI_SLOT_MAX];
+} S390PCIIOMMUTable;
+
typedef struct S390PCIBusDevice {
DeviceState qdev;
PCIDevice *pdev;
ZpciState state;
- bool iommu_enabled;
char *target;
uint16_t uid;
+ uint32_t idx;
uint32_t fh;
uint32_t fid;
bool fid_defined;
- uint64_t g_iota;
- uint64_t pba;
- uint64_t pal;
uint64_t fmb_addr;
uint8_t isc;
uint16_t noi;
@@ -283,11 +296,11 @@ typedef struct S390PCIBusDevice {
S390MsixInfo msix;
AdapterRoutes routes;
S390PCIIOMMU *iommu;
- MemoryRegion iommu_mr;
MemoryRegion msix_notify_mr;
IndAddr *summary_ind;
IndAddr *indicator;
QEMUTimer *release_timer;
+ QTAILQ_ENTRY(S390PCIBusDevice) link;
} S390PCIBusDevice;
typedef struct S390PCIBus {
@@ -296,23 +309,28 @@ typedef struct S390PCIBus {
typedef struct S390pciState {
PCIHostState parent_obj;
+ uint32_t next_idx;
+ int bus_no;
S390PCIBus *bus;
- S390PCIBusDevice *pbdev[PCI_SLOT_MAX];
- S390PCIIOMMU *iommu[PCI_SLOT_MAX];
+ GHashTable *iommu_table;
+ GHashTable *zpci_table;
QTAILQ_HEAD(, SeiContainer) pending_sei;
+ QTAILQ_HEAD(, S390PCIBusDevice) zpci_devs;
} S390pciState;
+S390pciState *s390_get_phb(void);
int chsc_sei_nt2_get_event(void *res);
int chsc_sei_nt2_have_event(void);
void s390_pci_sclp_configure(SCCB *sccb);
void s390_pci_sclp_deconfigure(SCCB *sccb);
-void s390_pci_iommu_enable(S390PCIBusDevice *pbdev);
-void s390_pci_iommu_disable(S390PCIBusDevice *pbdev);
+void s390_pci_iommu_enable(S390PCIIOMMU *iommu);
+void s390_pci_iommu_disable(S390PCIIOMMU *iommu);
void s390_pci_generate_error_event(uint16_t pec, uint32_t fh, uint32_t fid,
uint64_t faddr, uint32_t e);
-S390PCIBusDevice *s390_pci_find_dev_by_idx(uint32_t idx);
-S390PCIBusDevice *s390_pci_find_dev_by_fh(uint32_t fh);
-S390PCIBusDevice *s390_pci_find_dev_by_fid(uint32_t fid);
-S390PCIBusDevice *s390_pci_find_next_avail_dev(S390PCIBusDevice *pbdev);
+S390PCIBusDevice *s390_pci_find_dev_by_idx(S390pciState *s, uint32_t idx);
+S390PCIBusDevice *s390_pci_find_dev_by_fh(S390pciState *s, uint32_t fh);
+S390PCIBusDevice *s390_pci_find_dev_by_fid(S390pciState *s, uint32_t fid);
+S390PCIBusDevice *s390_pci_find_next_avail_dev(S390pciState *s,
+ S390PCIBusDevice *pbdev);
#endif
diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c
index 0864d9b..405cccd 100644
--- a/hw/s390x/s390-pci-inst.c
+++ b/hw/s390x/s390-pci-inst.c
@@ -38,6 +38,7 @@ static void s390_set_status_code(CPUS390XState *env,
static int list_pci(ClpReqRspListPci *rrb, uint8_t *cc)
{
S390PCIBusDevice *pbdev = NULL;
+ S390pciState *s = s390_get_phb();
uint32_t res_code, initial_l2, g_l2;
int rc, i;
uint64_t resume_token;
@@ -65,14 +66,14 @@ static int list_pci(ClpReqRspListPci *rrb, uint8_t *cc)
resume_token = ldq_p(&rrb->request.resume_token);
if (resume_token) {
- pbdev = s390_pci_find_dev_by_idx(resume_token);
+ pbdev = s390_pci_find_dev_by_idx(s, resume_token);
if (!pbdev) {
res_code = CLP_RC_LISTPCI_BADRT;
rc = -EINVAL;
goto out;
}
} else {
- pbdev = s390_pci_find_next_avail_dev(NULL);
+ pbdev = s390_pci_find_next_avail_dev(s, NULL);
}
if (lduw_p(&rrb->response.hdr.len) < 48) {
@@ -118,7 +119,7 @@ static int list_pci(ClpReqRspListPci *rrb, uint8_t *cc)
lduw_p(&rrb->response.fh_list[i].device_id),
ldl_p(&rrb->response.fh_list[i].fid),
ldl_p(&rrb->response.fh_list[i].fh));
- pbdev = s390_pci_find_next_avail_dev(pbdev);
+ pbdev = s390_pci_find_next_avail_dev(s, pbdev);
i++;
}
@@ -148,6 +149,7 @@ int clp_service_call(S390CPU *cpu, uint8_t r2)
uint8_t buffer[4096 * 2];
uint8_t cc = 0;
CPUS390XState *env = &cpu->env;
+ S390pciState *s = s390_get_phb();
int i;
cpu_synchronize_state(CPU(cpu));
@@ -202,7 +204,7 @@ int clp_service_call(S390CPU *cpu, uint8_t r2)
ClpReqSetPci *reqsetpci = (ClpReqSetPci *)reqh;
ClpRspSetPci *ressetpci = (ClpRspSetPci *)resh;
- pbdev = s390_pci_find_dev_by_fh(ldl_p(&reqsetpci->fh));
+ pbdev = s390_pci_find_dev_by_fh(s, ldl_p(&reqsetpci->fh));
if (!pbdev) {
stw_p(&ressetpci->hdr.rsp, CLP_RC_SETPCIFN_FH);
goto out;
@@ -253,7 +255,7 @@ int clp_service_call(S390CPU *cpu, uint8_t r2)
ClpReqQueryPci *reqquery = (ClpReqQueryPci *)reqh;
ClpRspQueryPci *resquery = (ClpRspQueryPci *)resh;
- pbdev = s390_pci_find_dev_by_fh(ldl_p(&reqquery->fh));
+ pbdev = s390_pci_find_dev_by_fh(s, ldl_p(&reqquery->fh));
if (!pbdev) {
DPRINTF("query pci no pci dev\n");
stw_p(&resquery->hdr.rsp, CLP_RC_SETPCIFN_FH);
@@ -338,7 +340,7 @@ int pcilg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2)
len = env->regs[r2] & 0xf;
offset = env->regs[r2 + 1];
- pbdev = s390_pci_find_dev_by_fh(fh);
+ pbdev = s390_pci_find_dev_by_fh(s390_get_phb(), fh);
if (!pbdev) {
DPRINTF("pcilg no pci dev\n");
setcc(cpu, ZPCI_PCI_LS_INVAL_HANDLE);
@@ -471,7 +473,7 @@ int pcistg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2)
len = env->regs[r2] & 0xf;
offset = env->regs[r2 + 1];
- pbdev = s390_pci_find_dev_by_fh(fh);
+ pbdev = s390_pci_find_dev_by_fh(s390_get_phb(), fh);
if (!pbdev) {
DPRINTF("pcistg no pci dev\n");
setcc(cpu, ZPCI_PCI_LS_INVAL_HANDLE);
@@ -555,6 +557,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2)
CPUS390XState *env = &cpu->env;
uint32_t fh;
S390PCIBusDevice *pbdev;
+ S390PCIIOMMU *iommu;
hwaddr start, end;
IOMMUTLBEntry entry;
MemoryRegion *mr;
@@ -575,7 +578,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2)
start = env->regs[r2];
end = start + env->regs[r2 + 1];
- pbdev = s390_pci_find_dev_by_fh(fh);
+ pbdev = s390_pci_find_dev_by_fh(s390_get_phb(), fh);
if (!pbdev) {
DPRINTF("rpcit no pci dev\n");
setcc(cpu, ZPCI_PCI_LS_INVAL_HANDLE);
@@ -597,7 +600,8 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2)
break;
}
- if (!pbdev->g_iota) {
+ iommu = pbdev->iommu;
+ if (!iommu->g_iota) {
pbdev->state = ZPCI_FS_ERROR;
setcc(cpu, ZPCI_PCI_LS_ERR);
s390_set_status_code(env, r1, ZPCI_PCI_ST_INSUF_RES);
@@ -606,7 +610,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2)
goto out;
}
- if (end < pbdev->pba || start > pbdev->pal) {
+ if (end < iommu->pba || start > iommu->pal) {
pbdev->state = ZPCI_FS_ERROR;
setcc(cpu, ZPCI_PCI_LS_ERR);
s390_set_status_code(env, r1, ZPCI_PCI_ST_INSUF_RES);
@@ -615,7 +619,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2)
goto out;
}
- mr = &pbdev->iommu_mr;
+ mr = &iommu->iommu_mr;
while (start < end) {
entry = mr->iommu_ops->translate(mr, start, 0);
@@ -677,7 +681,7 @@ int pcistb_service_call(S390CPU *cpu, uint8_t r1, uint8_t r3, uint64_t gaddr,
return 0;
}
- pbdev = s390_pci_find_dev_by_fh(fh);
+ pbdev = s390_pci_find_dev_by_fh(s390_get_phb(), fh);
if (!pbdev) {
DPRINTF("pcistb no pci dev fh 0x%x\n", fh);
setcc(cpu, ZPCI_PCI_LS_INVAL_HANDLE);
@@ -783,7 +787,7 @@ int pci_dereg_irqs(S390PCIBusDevice *pbdev)
return 0;
}
-static int reg_ioat(CPUS390XState *env, S390PCIBusDevice *pbdev, ZpciFib fib)
+static int reg_ioat(CPUS390XState *env, S390PCIIOMMU *iommu, ZpciFib fib)
{
uint64_t pba = ldq_p(&fib.pba);
uint64_t pal = ldq_p(&fib.pal);
@@ -803,21 +807,21 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDevice *pbdev, ZpciFib fib)
return -EINVAL;
}
- pbdev->pba = pba;
- pbdev->pal = pal;
- pbdev->g_iota = g_iota;
+ iommu->pba = pba;
+ iommu->pal = pal;
+ iommu->g_iota = g_iota;
- s390_pci_iommu_enable(pbdev);
+ s390_pci_iommu_enable(iommu);
return 0;
}
-void pci_dereg_ioat(S390PCIBusDevice *pbdev)
+void pci_dereg_ioat(S390PCIIOMMU *iommu)
{
- s390_pci_iommu_disable(pbdev);
- pbdev->pba = 0;
- pbdev->pal = 0;
- pbdev->g_iota = 0;
+ s390_pci_iommu_disable(iommu);
+ iommu->pba = 0;
+ iommu->pal = 0;
+ iommu->g_iota = 0;
}
int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar)
@@ -843,7 +847,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar)
return 0;
}
- pbdev = s390_pci_find_dev_by_fh(fh);
+ pbdev = s390_pci_find_dev_by_fh(s390_get_phb(), fh);
if (!pbdev) {
DPRINTF("mpcifc no pci dev fh 0x%x\n", fh);
setcc(cpu, ZPCI_PCI_LS_INVAL_HANDLE);
@@ -892,10 +896,10 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar)
if (dmaas != 0) {
cc = ZPCI_PCI_LS_ERR;
s390_set_status_code(env, r1, ZPCI_MOD_ST_DMAAS_INVAL);
- } else if (pbdev->iommu_enabled) {
+ } else if (pbdev->iommu->enabled) {
cc = ZPCI_PCI_LS_ERR;
s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE);
- } else if (reg_ioat(env, pbdev, fib)) {
+ } else if (reg_ioat(env, pbdev->iommu, fib)) {
cc = ZPCI_PCI_LS_ERR;
s390_set_status_code(env, r1, ZPCI_MOD_ST_INSUF_RES);
}
@@ -904,23 +908,23 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar)
if (dmaas != 0) {
cc = ZPCI_PCI_LS_ERR;
s390_set_status_code(env, r1, ZPCI_MOD_ST_DMAAS_INVAL);
- } else if (!pbdev->iommu_enabled) {
+ } else if (!pbdev->iommu->enabled) {
cc = ZPCI_PCI_LS_ERR;
s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE);
} else {
- pci_dereg_ioat(pbdev);
+ pci_dereg_ioat(pbdev->iommu);
}
break;
case ZPCI_MOD_FC_REREG_IOAT:
if (dmaas != 0) {
cc = ZPCI_PCI_LS_ERR;
s390_set_status_code(env, r1, ZPCI_MOD_ST_DMAAS_INVAL);
- } else if (!pbdev->iommu_enabled) {
+ } else if (!pbdev->iommu->enabled) {
cc = ZPCI_PCI_LS_ERR;
s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE);
} else {
- pci_dereg_ioat(pbdev);
- if (reg_ioat(env, pbdev, fib)) {
+ pci_dereg_ioat(pbdev->iommu);
+ if (reg_ioat(env, pbdev->iommu, fib)) {
cc = ZPCI_PCI_LS_ERR;
s390_set_status_code(env, r1, ZPCI_MOD_ST_INSUF_RES);
}
@@ -988,7 +992,7 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar)
return 0;
}
- pbdev = s390_pci_find_dev_by_idx(fh & FH_MASK_INDEX);
+ pbdev = s390_pci_find_dev_by_idx(s390_get_phb(), fh & FH_MASK_INDEX);
if (!pbdev) {
setcc(cpu, ZPCI_PCI_LS_INVAL_HANDLE);
return 0;
@@ -1015,7 +1019,7 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar)
fib.fc |= 0x40;
case ZPCI_FS_ENABLED:
fib.fc |= 0x80;
- if (pbdev->iommu_enabled) {
+ if (pbdev->iommu->enabled) {
fib.fc |= 0x10;
}
if (!(fh & FH_MASK_ENABLE)) {
@@ -1028,9 +1032,9 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar)
return 0;
}
- stq_p(&fib.pba, pbdev->pba);
- stq_p(&fib.pal, pbdev->pal);
- stq_p(&fib.iota, pbdev->g_iota);
+ stq_p(&fib.pba, pbdev->iommu->pba);
+ stq_p(&fib.pal, pbdev->iommu->pal);
+ stq_p(&fib.iota, pbdev->iommu->g_iota);
stq_p(&fib.aibv, pbdev->routes.adapter.ind_addr);
stq_p(&fib.aisb, pbdev->routes.adapter.summary_addr);
stq_p(&fib.fmb_addr, pbdev->fmb_addr);
diff --git a/hw/s390x/s390-pci-inst.h b/hw/s390x/s390-pci-inst.h
index 23f4bfa..94a959f 100644
--- a/hw/s390x/s390-pci-inst.h
+++ b/hw/s390x/s390-pci-inst.h
@@ -292,7 +292,7 @@ typedef struct ZpciFib {
} QEMU_PACKED ZpciFib;
int pci_dereg_irqs(S390PCIBusDevice *pbdev);
-void pci_dereg_ioat(S390PCIBusDevice *pbdev);
+void pci_dereg_ioat(S390PCIIOMMU *iommu);
int clp_service_call(S390CPU *cpu, uint8_t r2);
int pcilg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2);
int pcistg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2);
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index e340eab..e9a6767 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -335,11 +335,13 @@ static const TypeInfo ccw_machine_info = {
} \
type_init(ccw_machine_register_##suffix)
+#define CCW_COMPAT_2_8 \
+ HW_COMPAT_2_8
+
#define CCW_COMPAT_2_7 \
HW_COMPAT_2_7
#define CCW_COMPAT_2_6 \
- CCW_COMPAT_2_7 \
HW_COMPAT_2_6 \
{\
.driver = TYPE_S390_IPL,\
@@ -352,7 +354,6 @@ static const TypeInfo ccw_machine_info = {
},
#define CCW_COMPAT_2_5 \
- CCW_COMPAT_2_6 \
HW_COMPAT_2_5
#define CCW_COMPAT_2_4 \
@@ -395,14 +396,26 @@ static const TypeInfo ccw_machine_info = {
.value = "0",\
},
+static void ccw_machine_2_9_instance_options(MachineState *machine)
+{
+}
+
+static void ccw_machine_2_9_class_options(MachineClass *mc)
+{
+}
+DEFINE_CCW_MACHINE(2_9, "2.9", true);
+
static void ccw_machine_2_8_instance_options(MachineState *machine)
{
+ ccw_machine_2_9_instance_options(machine);
}
static void ccw_machine_2_8_class_options(MachineClass *mc)
{
+ ccw_machine_2_9_class_options(mc);
+ SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_8);
}
-DEFINE_CCW_MACHINE(2_8, "2.8", true);
+DEFINE_CCW_MACHINE(2_8, "2.8", false);
static void ccw_machine_2_7_instance_options(MachineState *machine)
{
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 0765068..63c4637 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -149,7 +149,7 @@ static int virtio_ccw_set_vqs(SubchDev *sch, VqInfoBlock *info,
} else {
if (info) {
/* virtio-1 allows changing the ring size. */
- if (virtio_queue_get_num(vdev, index) < num) {
+ if (virtio_queue_get_max_num(vdev, index) < num) {
/* Fail if we exceed the maximum number. */
return -EINVAL;
}
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 6e34f05..ac9b99b 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1249,6 +1249,11 @@ int virtio_queue_get_num(VirtIODevice *vdev, int n)
return vdev->vq[n].vring.num;
}
+int virtio_queue_get_max_num(VirtIODevice *vdev, int n)
+{
+ return vdev->vq[n].vring.num_default;
+}
+
int virtio_get_num_queues(VirtIODevice *vdev)
{
int i;
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index e5541c6..6523bac 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -228,6 +228,7 @@ void virtio_queue_set_addr(VirtIODevice *vdev, int n, hwaddr addr);
hwaddr virtio_queue_get_addr(VirtIODevice *vdev, int n);
void virtio_queue_set_num(VirtIODevice *vdev, int n, int num);
int virtio_queue_get_num(VirtIODevice *vdev, int n);
+int virtio_queue_get_max_num(VirtIODevice *vdev, int n);
int virtio_get_num_queues(VirtIODevice *vdev);
void virtio_queue_set_rings(VirtIODevice *vdev, int n, hwaddr desc,
hwaddr avail, hwaddr used);
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index 97afe02..c47db9a 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -2301,7 +2301,7 @@ int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,
uint32_t idx = data >> ZPCI_MSI_VEC_BITS;
uint32_t vec = data & ZPCI_MSI_VEC_MASK;
- pbdev = s390_pci_find_dev_by_idx(idx);
+ pbdev = s390_pci_find_dev_by_idx(s390_get_phb(), idx);
if (!pbdev) {
DPRINTF("add_msi_route no dev\n");
return -ENODEV;
generated by cgit v1.1 at 2024-12-24 01:18:24 +0000