#include "qemu/log.h"
#include "qapi/visitor.h"
#include "qapi/error.h"
-#include "qemu-common.h"
#include "monitor/monitor.h"
#include "target/ppc/cpu.h"
#include "hw/pci-host/pnv_phb4_regs.h"
flags = 0;
}
+ /*
+ * When the PQ disable configuration bit is set, the check on the
+ * PQ state bits is disabled on the PHB side (for MSI only) and it
+ * is performed on the IC side instead.
+ */
+ if (phb->regs[PHB_CTRLR >> 3] & PHB_CTRLR_IRQ_PQ_DISABLE) {
+ flags |= XIVE_SRC_PQ_DISABLE;
+ }
+
phb->xsrc.esb_shift = shift;
phb->xsrc.esb_flags = flags;
ds = pnv_phb4_dma_find(phb, bus, devfn);
if (ds == NULL) {
- ds = g_malloc0(sizeof(PnvPhb4DMASpace));
+ ds = g_new0(PnvPhb4DMASpace, 1);
ds->bus = bus;
ds->devfn = devfn;
ds->pe_num = PHB_INVALID_PE;
object_initialize_child(obj, "source", &phb->xsrc, TYPE_XIVE_SOURCE);
}
-static PnvPhb4PecState *pnv_phb4_get_pec(PnvChip *chip, PnvPHB4 *phb,
- Error **errp)
-{
- Pnv9Chip *chip9 = PNV9_CHIP(chip);
- int chip_id = phb->chip_id;
- int index = phb->phb_id;
- int i, j;
-
- for (i = 0; i < chip->num_pecs; i++) {
- /*
- * For each PEC, check the amount of phbs it supports
- * and see if the given phb4 index matches an index.
- */
- PnvPhb4PecState *pec = &chip9->pecs[i];
-
- for (j = 0; j < pec->num_phbs; j++) {
- if (index == pnv_phb4_pec_get_phb_id(pec, j)) {
- return pec;
- }
- }
- }
-
- error_setg(errp,
- "pnv-phb4 chip-id %d index %d didn't match any existing PEC",
- chip_id, index);
-
- return NULL;
-}
-
static void pnv_phb4_realize(DeviceState *dev, Error **errp)
{
PnvPHB4 *phb = PNV_PHB4(dev);
- PnvMachineState *pnv = PNV_MACHINE(qdev_get_machine());
- PnvChip *chip = pnv_get_chip(pnv, phb->chip_id);
PCIHostState *pci = PCI_HOST_BRIDGE(dev);
XiveSource *xsrc = &phb->xsrc;
- BusState *s;
- Error *local_err = NULL;
int nr_irqs;
char name[32];
- if (!chip) {
- error_setg(errp, "invalid chip id: %d", phb->chip_id);
- return;
- }
-
- /* User created PHBs need to be assigned to a PEC */
- if (!phb->pec) {
- phb->pec = pnv_phb4_get_pec(chip, phb, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
- return;
- }
- }
-
- /* Reparent the PHB to the chip to build the device tree */
- pnv_chip_parent_fixup(chip, OBJECT(phb), phb->phb_id);
-
- s = qdev_get_parent_bus(DEVICE(chip));
- if (!qdev_set_parent_bus(DEVICE(phb), s, &local_err)) {
- error_propagate(errp, local_err);
- return;
- }
-
/* Set the "big_phb" flag */
phb->big_phb = phb->phb_id == 0 || phb->phb_id == 3;
return phb->bus_path;
}
-static void pnv_phb4_xive_notify(XiveNotifier *xf, uint32_t srcno)
+/*
+ * Address base trigger mode (POWER10)
+ *
+ * Trigger directly the IC ESB page
+ */
+static void pnv_phb4_xive_notify_abt(PnvPHB4 *phb, uint32_t srcno,
+ bool pq_checked)
+{
+ uint64_t notif_port = phb->regs[PHB_INT_NOTIFY_ADDR >> 3];
+ uint64_t data = 0; /* trigger data : don't care */
+ hwaddr addr;
+ MemTxResult result;
+ int esb_shift;
+
+ if (notif_port & PHB_INT_NOTIFY_ADDR_64K) {
+ esb_shift = 16;
+ } else {
+ esb_shift = 12;
+ }
+
+ /* Compute the address of the IC ESB management page */
+ addr = (notif_port & ~PHB_INT_NOTIFY_ADDR_64K);
+ addr |= (1ull << (esb_shift + 1)) * srcno;
+ addr |= (1ull << esb_shift);
+
+ /*
+ * When the PQ state bits are checked on the PHB, the associated
+ * PQ state bits on the IC should be ignored. Use the unconditional
+ * trigger offset to inject a trigger on the IC. This is always
+ * the case for LSIs
+ */
+ if (pq_checked) {
+ addr |= XIVE_ESB_INJECT;
+ }
+
+ trace_pnv_phb4_xive_notify_ic(addr, data);
+
+ address_space_stq_be(&address_space_memory, addr, data,
+ MEMTXATTRS_UNSPECIFIED, &result);
+ if (result != MEMTX_OK) {
+ phb_error(phb, "trigger failed @%"HWADDR_PRIx "\n", addr);
+ return;
+ }
+}
+
+static void pnv_phb4_xive_notify_ic(PnvPHB4 *phb, uint32_t srcno,
+ bool pq_checked)
{
- PnvPHB4 *phb = PNV_PHB4(xf);
uint64_t notif_port = phb->regs[PHB_INT_NOTIFY_ADDR >> 3];
uint32_t offset = phb->regs[PHB_INT_NOTIFY_INDEX >> 3];
- uint64_t data = XIVE_TRIGGER_PQ | offset | srcno;
+ uint64_t data = offset | srcno;
MemTxResult result;
- trace_pnv_phb4_xive_notify(notif_port, data);
+ if (pq_checked) {
+ data |= XIVE_TRIGGER_PQ;
+ }
+
+ trace_pnv_phb4_xive_notify_ic(notif_port, data);
address_space_stq_be(&address_space_memory, notif_port, data,
MEMTXATTRS_UNSPECIFIED, &result);
}
}
+static void pnv_phb4_xive_notify(XiveNotifier *xf, uint32_t srcno,
+ bool pq_checked)
+{
+ PnvPHB4 *phb = PNV_PHB4(xf);
+
+ if (phb->regs[PHB_CTRLR >> 3] & PHB_CTRLR_IRQ_ABT_MODE) {
+ pnv_phb4_xive_notify_abt(phb, srcno, pq_checked);
+ } else {
+ pnv_phb4_xive_notify_ic(phb, srcno, pq_checked);
+ }
+}
+
static Property pnv_phb4_properties[] = {
DEFINE_PROP_UINT32("index", PnvPHB4, phb_id, 0),
DEFINE_PROP_UINT32("chip-id", PnvPHB4, chip_id, 0),
dc->realize = pnv_phb4_realize;
device_class_set_props(dc, pnv_phb4_properties);
set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
- dc->user_creatable = true;
+ dc->user_creatable = false;
xfc->notify = pnv_phb4_xive_notify;
}
}
};
+static const TypeInfo pnv_phb5_type_info = {
+ .name = TYPE_PNV_PHB5,
+ .parent = TYPE_PNV_PHB4,
+ .instance_size = sizeof(PnvPHB4),
+};
+
static void pnv_phb4_root_bus_class_init(ObjectClass *klass, void *data)
{
BusClass *k = BUS_CLASS(klass);
PCIERootPortClass *rpc = PCIE_ROOT_PORT_CLASS(klass);
dc->desc = "IBM PHB4 PCIE Root Port";
- dc->user_creatable = true;
+ dc->user_creatable = false;
device_class_set_parent_realize(dc, pnv_phb4_root_port_realize,
&rpc->parent_realize);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
dc->desc = "IBM PHB5 PCIE Root Port";
- dc->user_creatable = true;
+ dc->user_creatable = false;
k->vendor_id = PCI_VENDOR_ID_IBM;
k->device_id = PNV_PHB5_DEVICE_ID;
type_register_static(&pnv_phb5_root_port_info);
type_register_static(&pnv_phb4_root_port_info);
type_register_static(&pnv_phb4_type_info);
+ type_register_static(&pnv_phb5_type_info);
type_register_static(&pnv_phb4_iommu_memory_region_info);
}
void pnv_phb4_pic_print_info(PnvPHB4 *phb, Monitor *mon)
{
+ uint64_t notif_port =
+ phb->regs[PHB_INT_NOTIFY_ADDR >> 3] & ~PHB_INT_NOTIFY_ADDR_64K;
uint32_t offset = phb->regs[PHB_INT_NOTIFY_INDEX >> 3];
+ bool abt = !!(phb->regs[PHB_CTRLR >> 3] & PHB_CTRLR_IRQ_ABT_MODE);
- monitor_printf(mon, "PHB4[%x:%x] Source %08x .. %08x\n",
+ monitor_printf(mon, "PHB4[%x:%x] Source %08x .. %08x %s @%"HWADDR_PRIx"\n",
phb->chip_id, phb->phb_id,
- offset, offset + phb->xsrc.nr_irqs - 1);
+ offset, offset + phb->xsrc.nr_irqs - 1,
+ abt ? "ABT" : "",
+ notif_port);
xive_source_pic_print_info(&phb->xsrc, 0, mon);
}
projects / mirror_qemu.git / blobdiff