diff options
| -rw-r--r-- | hw/spapr.c | 13 | ||||
| -rw-r--r-- | hw/spapr_pci.c | 102 | ||||
| -rw-r--r-- | hw/spapr_pci.h | 22 |
3 files changed, 94 insertions, 43 deletions
@@ -77,12 +77,6 @@ #define MAX_CPUS 256 #define XICS_IRQS 1024 -#define SPAPR_PCI_BUID 0x800000020000001ULL -#define SPAPR_PCI_MEM_WIN_ADDR (0x10000000000ULL + 0xA0000000) -#define SPAPR_PCI_MEM_WIN_SIZE 0x20000000 -#define SPAPR_PCI_IO_WIN_ADDR (0x10000000000ULL + 0x80000000) -#define SPAPR_PCI_MSI_WIN_ADDR (0x10000000000ULL + 0x90000000) - #define PHANDLE_XICP 0x00001111 #define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift)) @@ -857,12 +851,7 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args) /* Set up PCI */ spapr_pci_rtas_init(); - spapr_create_phb(spapr, "pci", SPAPR_PCI_BUID, - SPAPR_PCI_MEM_WIN_ADDR, - SPAPR_PCI_MEM_WIN_SIZE, - SPAPR_PCI_IO_WIN_ADDR, - SPAPR_PCI_MSI_WIN_ADDR); - phb = PCI_HOST_BRIDGE(QLIST_FIRST(&spapr->phbs)); + phb = spapr_create_phb(spapr, 0, "pci"); for (i = 0; i < nb_nics; i++) { NICInfo *nd = &nd_table[i]; diff --git a/hw/spapr_pci.c b/hw/spapr_pci.c index bbcc9fc..4eacbcf 100644 --- a/hw/spapr_pci.c +++ b/hw/spapr_pci.c @@ -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); @@ -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 */ diff --git a/hw/spapr_pci.h b/hw/spapr_pci.h index 7b26ba1..8bb3c62 100644 --- a/hw/spapr_pci.h +++ b/hw/spapr_pci.h @@ -37,6 +37,7 @@ typedef struct sPAPRPHBState { PCIHostState parent_obj; + int32_t index; uint64_t buid; char *busname; char *dtbusname; @@ -64,18 +65,25 @@ typedef struct sPAPRPHBState { QLIST_ENTRY(sPAPRPHBState) list; } sPAPRPHBState; +#define SPAPR_PCI_BASE_BUID 0x800000020000000ULL + +#define SPAPR_PCI_WINDOW_BASE 0x10000000000ULL +#define SPAPR_PCI_WINDOW_SPACING 0x1000000000ULL +#define SPAPR_PCI_MMIO_WIN_OFF 0xA0000000 +#define SPAPR_PCI_MMIO_WIN_SIZE 0x20000000 +#define SPAPR_PCI_IO_WIN_OFF 0x80000000 +#define SPAPR_PCI_IO_WIN_SIZE 0x10000 +#define SPAPR_PCI_MSI_WIN_OFF 0x90000000 + +#define SPAPR_PCI_MEM_WIN_BUS_OFFSET 0x80000000ULL + static inline qemu_irq spapr_phb_lsi_qirq(struct sPAPRPHBState *phb, int pin) { return xics_get_qirq(spapr->icp, phb->lsi_table[pin].irq); } -#define SPAPR_PCI_MEM_WIN_BUS_OFFSET 0x80000000ULL -#define SPAPR_PCI_IO_WIN_SIZE 0x10000 - -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); int spapr_populate_pci_dt(sPAPRPHBState *phb, uint32_t xics_phandle, |
