diff options
Diffstat (limited to 'hw/spapr_pci.c')
| -rw-r--r-- | hw/spapr_pci.c | 116 |
1 files changed, 85 insertions, 31 deletions
diff --git a/hw/spapr_pci.c b/hw/spapr_pci.c index 3c5b855..4eacbcf 100644 --- a/hw/spapr_pci.c +++ b/hw/spapr_pci.c @@ -23,17 +23,17 @@ * THE SOFTWARE. */ #include "hw.h" -#include "pci.h" -#include "msi.h" -#include "msix.h" -#include "pci_host.h" +#include "pci/pci.h" +#include "pci/msi.h" +#include "pci/msix.h" +#include "pci/pci_host.h" #include "hw/spapr.h" #include "hw/spapr_pci.h" -#include "exec-memory.h" +#include "exec/address-spaces.h" #include <libfdt.h> #include "trace.h" -#include "hw/pci_internals.h" +#include "hw/pci/pci_bus.h" /* Copied from the kernel arch/powerpc/platforms/pseries/msi.c */ #define RTAS_QUERY_FN 0 @@ -435,7 +435,7 @@ static void pci_spapr_set_irq(void *opaque, int irq_num, int level) */ sPAPRPHBState *phb = opaque; - trace_spapr_pci_lsi_set(phb->busname, irq_num, phb->lsi_table[irq_num].irq); + trace_spapr_pci_lsi_set(phb->dtbusname, irq_num, phb->lsi_table[irq_num].irq); qemu_set_irq(spapr_phb_lsi_qirq(phb, irq_num), level); } @@ -522,7 +522,63 @@ static int spapr_phb_init(SysBusDevice *s) int i; PCIBus *bus; + if (sphb->index != -1) { + hwaddr windows_base; + + if ((sphb->buid != -1) || (sphb->dma_liobn != -1) + || (sphb->mem_win_addr != -1) + || (sphb->io_win_addr != -1) + || (sphb->msi_win_addr != -1)) { + fprintf(stderr, "Either \"index\" or other parameters must" + " be specified for PAPR PHB, not both\n"); + return -1; + } + + sphb->buid = SPAPR_PCI_BASE_BUID + sphb->index; + sphb->dma_liobn = SPAPR_PCI_BASE_LIOBN + sphb->index; + + windows_base = SPAPR_PCI_WINDOW_BASE + + sphb->index * SPAPR_PCI_WINDOW_SPACING; + sphb->mem_win_addr = windows_base + SPAPR_PCI_MMIO_WIN_OFF; + sphb->io_win_addr = windows_base + SPAPR_PCI_IO_WIN_OFF; + sphb->msi_win_addr = windows_base + SPAPR_PCI_MSI_WIN_OFF; + } + + if (sphb->buid == -1) { + fprintf(stderr, "BUID not specified for PHB\n"); + return -1; + } + + if (sphb->dma_liobn == -1) { + fprintf(stderr, "LIOBN not specified for PHB\n"); + return -1; + } + + if (sphb->mem_win_addr == -1) { + fprintf(stderr, "Memory window address not specified for PHB\n"); + return -1; + } + + if (sphb->io_win_addr == -1) { + fprintf(stderr, "IO window address not specified for PHB\n"); + return -1; + } + + if (sphb->msi_win_addr == -1) { + fprintf(stderr, "MSI window address not specified for PHB\n"); + return -1; + } + + if (find_phb(spapr, sphb->buid)) { + fprintf(stderr, "PCI host bridges must have unique BUIDs\n"); + return -1; + } + sphb->dtbusname = g_strdup_printf("pci@%" PRIx64, sphb->buid); + if (!sphb->busname) { + sphb->busname = sphb->dtbusname; + } + namebuf = alloca(strlen(sphb->dtbusname) + 32); /* Initialize memory regions */ @@ -565,17 +621,19 @@ static int spapr_phb_init(SysBusDevice *s) &sphb->msiwindow); } - bus = pci_register_bus(DEVICE(s), - sphb->busname ? sphb->busname : sphb->dtbusname, + bus = pci_register_bus(DEVICE(s), sphb->busname, pci_spapr_set_irq, pci_spapr_map_irq, sphb, &sphb->memspace, &sphb->iospace, PCI_DEVFN(0, 0), PCI_NUM_PINS); phb->bus = bus; - sphb->dma_liobn = SPAPR_PCI_BASE_LIOBN | (pci_find_domain(bus) << 16); sphb->dma_window_start = 0; sphb->dma_window_size = 0x40000000; sphb->dma = spapr_tce_new_dma_context(sphb->dma_liobn, sphb->dma_window_size); + if (!sphb->dma) { + fprintf(stderr, "Unable to create TCE table for %s\n", sphb->dtbusname); + return -1; + } pci_setup_iommu(bus, spapr_pci_dma_context_fn, sphb); QLIST_INSERT_HEAD(&spapr->phbs, sphb, list); @@ -597,7 +655,7 @@ static int spapr_phb_init(SysBusDevice *s) static void spapr_phb_reset(DeviceState *qdev) { - SysBusDevice *s = sysbus_from_qdev(qdev); + SysBusDevice *s = SYS_BUS_DEVICE(qdev); sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(s); /* Reset the IOMMU state */ @@ -605,13 +663,17 @@ static void spapr_phb_reset(DeviceState *qdev) } static Property spapr_phb_properties[] = { - DEFINE_PROP_HEX64("buid", sPAPRPHBState, buid, 0), DEFINE_PROP_STRING("busname", sPAPRPHBState, busname), - DEFINE_PROP_HEX64("mem_win_addr", sPAPRPHBState, mem_win_addr, 0), - DEFINE_PROP_HEX64("mem_win_size", sPAPRPHBState, mem_win_size, 0x20000000), - DEFINE_PROP_HEX64("io_win_addr", sPAPRPHBState, io_win_addr, 0), - DEFINE_PROP_HEX64("io_win_size", sPAPRPHBState, io_win_size, 0x10000), - DEFINE_PROP_HEX64("msi_win_addr", sPAPRPHBState, msi_win_addr, 0), + DEFINE_PROP_INT32("index", sPAPRPHBState, index, -1), + DEFINE_PROP_HEX64("buid", sPAPRPHBState, buid, -1), + DEFINE_PROP_HEX32("liobn", sPAPRPHBState, dma_liobn, -1), + DEFINE_PROP_HEX64("mem_win_addr", sPAPRPHBState, mem_win_addr, -1), + DEFINE_PROP_HEX64("mem_win_size", sPAPRPHBState, mem_win_size, + SPAPR_PCI_MMIO_WIN_SIZE), + DEFINE_PROP_HEX64("io_win_addr", sPAPRPHBState, io_win_addr, -1), + DEFINE_PROP_HEX64("io_win_size", sPAPRPHBState, io_win_size, + SPAPR_PCI_IO_WIN_SIZE), + DEFINE_PROP_HEX64("msi_win_addr", sPAPRPHBState, msi_win_addr, -1), DEFINE_PROP_END_OF_LIST(), }; @@ -632,25 +694,17 @@ static const TypeInfo spapr_phb_info = { .class_init = spapr_phb_class_init, }; -void spapr_create_phb(sPAPREnvironment *spapr, - const char *busname, uint64_t buid, - uint64_t mem_win_addr, uint64_t mem_win_size, - uint64_t io_win_addr, uint64_t msi_win_addr) +PCIHostState *spapr_create_phb(sPAPREnvironment *spapr, int index, + const char *busname) { DeviceState *dev; dev = qdev_create(NULL, TYPE_SPAPR_PCI_HOST_BRIDGE); - - if (busname) { - qdev_prop_set_string(dev, "busname", g_strdup(busname)); - } - qdev_prop_set_uint64(dev, "buid", buid); - qdev_prop_set_uint64(dev, "mem_win_addr", mem_win_addr); - qdev_prop_set_uint64(dev, "mem_win_size", mem_win_size); - qdev_prop_set_uint64(dev, "io_win_addr", io_win_addr); - qdev_prop_set_uint64(dev, "msi_win_addr", msi_win_addr); - + qdev_prop_set_uint32(dev, "index", index); + qdev_prop_set_string(dev, "busname", busname); qdev_init_nofail(dev); + + return PCI_HOST_BRIDGE(dev); } /* Macros to operate with address in OF binding to PCI */ |