diff options
Diffstat (limited to 'hw/s390x/s390-pci-bus.c')
| -rw-r--r-- | hw/s390x/s390-pci-bus.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 218717397a..4c7f06d5cf 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -738,6 +738,46 @@ static void s390_pci_iommu_free(S390pciState *s, PCIBus *bus, int32_t devfn) object_unref(OBJECT(iommu)); } +static S390PCIGroup *s390_group_create(int id) +{ + S390PCIGroup *group; + S390pciState *s = s390_get_phb(); + + group = g_new0(S390PCIGroup, 1); + group->id = id; + QTAILQ_INSERT_TAIL(&s->zpci_groups, group, link); + return group; +} + +S390PCIGroup *s390_group_find(int id) +{ + S390PCIGroup *group; + S390pciState *s = s390_get_phb(); + + QTAILQ_FOREACH(group, &s->zpci_groups, link) { + if (group->id == id) { + return group; + } + } + return NULL; +} + +static void s390_pci_init_default_group(void) +{ + S390PCIGroup *group; + ClpRspQueryPciGrp *resgrp; + + group = s390_group_create(ZPCI_DEFAULT_FN_GRP); + resgrp = &group->zpci_group; + resgrp->fr = 1; + stq_p(&resgrp->dasm, 0); + stq_p(&resgrp->msia, ZPCI_MSI_ADDR); + stw_p(&resgrp->mui, DEFAULT_MUI); + stw_p(&resgrp->i, 128); + stw_p(&resgrp->maxstbl, 128); + resgrp->version = 0; +} + static void s390_pcihost_realize(DeviceState *dev, Error **errp) { PCIBus *b; @@ -766,7 +806,9 @@ static void s390_pcihost_realize(DeviceState *dev, Error **errp) QTAILQ_INIT(&s->pending_sei); QTAILQ_INIT(&s->zpci_devs); QTAILQ_INIT(&s->zpci_dma_limit); + QTAILQ_INIT(&s->zpci_groups); + s390_pci_init_default_group(); css_register_io_adapters(CSS_IO_ADAPTER_PCI, true, false, S390_ADAPTER_SUPPRESSIBLE, errp); } |