Use PCI_DEVFN() and PCI_FUNC_MAX where appropriate. This patch make it clear that func = 0 and added assert() to ensure it. This patch guarantees that auto assigned function is always single function device at function = 0.
Cc: Aurelien Jarno <aurel...@aurel32.net> Cc: Yu Liu <yu....@freescale.com> Cc: Paul Brook <p...@codesourcery.com> Signed-off-by: Isaku Yamahata <yamah...@valinux.co.jp> --- hw/gt64xxx.c | 2 +- hw/pci.c | 4 +++- hw/pci.h | 1 + hw/ppce500_pci.c | 3 ++- hw/unin_pci.c | 12 ++++++------ hw/versatile_pci.c | 2 +- 6 files changed, 14 insertions(+), 10 deletions(-) diff --git a/hw/gt64xxx.c b/hw/gt64xxx.c index 7691e1d..8e2cf14 100644 --- a/hw/gt64xxx.c +++ b/hw/gt64xxx.c @@ -1115,7 +1115,7 @@ PCIBus *pci_gt64120_init(qemu_irq *pic) s->pci->bus = pci_register_bus(NULL, "pci", pci_gt64120_set_irq, pci_gt64120_map_irq, - pic, 144, 4); + pic, PCI_DEVFN(18, 0), 4); s->ISD_handle = cpu_register_io_memory(gt64120_read, gt64120_write, s); d = pci_register_device(s->pci->bus, "GT64120 PCI Bus", sizeof(PCIDevice), 0, NULL, NULL); diff --git a/hw/pci.c b/hw/pci.c index ef17eb4..28ba9cf 100644 --- a/hw/pci.c +++ b/hw/pci.c @@ -224,6 +224,7 @@ void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent, const char *name, int devfn_min) { qbus_create_inplace(&bus->qbus, &pci_bus_info, parent, name); + assert(PCI_FUNC(devfn_min) == 0); bus->devfn_min = devfn_min; QLIST_INIT(&bus->child); vmstate_register(-1, &vmstate_pcibus, bus); @@ -600,8 +601,9 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus, uint8_t header_type) { if (devfn < 0) { + assert(PCI_FUNC(bus->devfn_min) == 0); for(devfn = bus->devfn_min ; devfn < ARRAY_SIZE(bus->devices); - devfn += 8) { + devfn += PCI_FUNC_MAX) { if (!bus->devices[devfn]) goto found; } diff --git a/hw/pci.h b/hw/pci.h index 6a2bc6a..077387d 100644 --- a/hw/pci.h +++ b/hw/pci.h @@ -14,6 +14,7 @@ #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) #define PCI_FUNC(devfn) ((devfn) & 0x07) +#define PCI_FUNC_MAX 8 /* Class, Vendor and Device IDs from Linux's pci_ids.h */ #include "pci_ids.h" diff --git a/hw/ppce500_pci.c b/hw/ppce500_pci.c index 336d284..f949fe3 100644 --- a/hw/ppce500_pci.c +++ b/hw/ppce500_pci.c @@ -279,7 +279,8 @@ PCIBus *ppce500_pci_init(qemu_irq pci_irqs[4], target_phys_addr_t registers) controller->pci_state.bus = pci_register_bus(NULL, "pci", mpc85xx_pci_set_irq, mpc85xx_pci_map_irq, - pci_irqs, 0x88, 4); + pci_irqs, PCI_DEVFN(0x11, 0), + 4); d = pci_register_device(controller->pci_state.bus, "host bridge", sizeof(PCIDevice), 0, NULL, NULL); diff --git a/hw/unin_pci.c b/hw/unin_pci.c index f0a773d..0ecf40f 100644 --- a/hw/unin_pci.c +++ b/hw/unin_pci.c @@ -228,10 +228,10 @@ PCIBus *pci_pmac_init(qemu_irq *pic) d = FROM_SYSBUS(UNINState, s); d->host_state.bus = pci_register_bus(&d->busdev.qdev, "pci", pci_unin_set_irq, pci_unin_map_irq, - pic, 11 << 3, 4); + pic, PCI_DEVFN(11, 0), 4); #if 0 - pci_create_simple(d->host_state.bus, 11 << 3, "uni-north"); + pci_create_simple(d->host_state.bus, PCI_DEVFN(11, 0), "uni-north"); #endif sysbus_mmio_map(s, 0, 0xf2800000); @@ -240,11 +240,11 @@ PCIBus *pci_pmac_init(qemu_irq *pic) /* DEC 21154 bridge */ #if 0 /* XXX: not activated as PPC BIOS doesn't handle multiple buses properly */ - pci_create_simple(d->host_state.bus, 12 << 3, "dec-21154"); + pci_create_simple(d->host_state.bus, PCI_DEVFN(12, 0), "dec-21154"); #endif /* Uninorth AGP bus */ - pci_create_simple(d->host_state.bus, 11 << 3, "uni-north-agp"); + pci_create_simple(d->host_state.bus, PCI_DEVFN(11, 0), "uni-north-agp"); dev = qdev_create(NULL, "uni-north-agp"); qdev_init_nofail(dev); s = sysbus_from_qdev(dev); @@ -254,7 +254,7 @@ PCIBus *pci_pmac_init(qemu_irq *pic) /* Uninorth internal bus */ #if 0 /* XXX: not needed for now */ - pci_create_simple(d->host_state.bus, 14 << 3, "uni-north-pci"); + pci_create_simple(d->host_state.bus, PCI_DEVFN(14, 0), "uni-north-pci"); dev = qdev_create(NULL, "uni-north-pci"); qdev_init_nofail(dev); s = sysbus_from_qdev(dev); @@ -280,7 +280,7 @@ PCIBus *pci_pmac_u3_init(qemu_irq *pic) d->host_state.bus = pci_register_bus(&d->busdev.qdev, "pci", pci_unin_set_irq, pci_unin_map_irq, - pic, 11 << 3, 4); + pic, PCI_DEVFN(11, 0), 4); sysbus_mmio_map(s, 0, 0xf0800000); sysbus_mmio_map(s, 1, 0xf0c00000); diff --git a/hw/versatile_pci.c b/hw/versatile_pci.c index 199bc19..a76bdfa 100644 --- a/hw/versatile_pci.c +++ b/hw/versatile_pci.c @@ -127,7 +127,7 @@ static int pci_vpb_init(SysBusDevice *dev) } bus = pci_register_bus(&dev->qdev, "pci", pci_vpb_set_irq, pci_vpb_map_irq, s->irq, - 11 << 3, 4); + PCI_DEVFN(11, 0), 4); /* ??? Register memory space. */ -- 1.6.6.1