Both callers to ide_init_ioport() have access to the I/O memory region of the ISA bus, so can pass it directly. This allows ide_init_ioport() to directly call portio_list_init().
Note, now the callers become the owner of the PortioList. Inspired-by: <20210518215545.1793947-10-phi...@redhat.com> 'hw/ide: Let ide_init_ioport() take an ISA bus argument instead of device' Signed-off-by: Bernhard Beschow <shen...@gmail.com> --- include/hw/ide/internal.h | 3 ++- hw/ide/ioport.c | 15 ++++++++------- hw/ide/isa.c | 4 +++- hw/ide/piix.c | 8 ++++++-- 4 files changed, 19 insertions(+), 11 deletions(-) diff --git a/include/hw/ide/internal.h b/include/hw/ide/internal.h index 42c49414f4..c3e4d192fa 100644 --- a/include/hw/ide/internal.h +++ b/include/hw/ide/internal.h @@ -628,7 +628,8 @@ int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind, int chs_trans, Error **errp); void ide_init2(IDEBus *bus, qemu_irq irq); void ide_exit(IDEState *s); -void ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2); +void ide_init_ioport(IDEBus *bus, MemoryRegion *address_space_io, Object *owner, + int iobase, int iobase2); void ide_register_restart_cb(IDEBus *bus); void ide_exec_cmd(IDEBus *bus, uint32_t val); diff --git a/hw/ide/ioport.c b/hw/ide/ioport.c index b613ff3bba..00e9baf0d1 100644 --- a/hw/ide/ioport.c +++ b/hw/ide/ioport.c @@ -50,15 +50,16 @@ static const MemoryRegionPortio ide_portio2_list[] = { PORTIO_END_OF_LIST(), }; -void ide_init_ioport(IDEBus *bus, ISADevice *dev, int iobase, int iobase2) +void ide_init_ioport(IDEBus *bus, MemoryRegion *address_space_io, Object *owner, + int iobase, int iobase2) { - /* ??? Assume only ISA and PCI configurations, and that the PCI-ISA - bridge has been setup properly to always register with ISA. */ - isa_register_portio_list(dev, &bus->portio_list, - iobase, ide_portio_list, bus, "ide"); + assert(address_space_io); + + portio_list_init(&bus->portio_list, owner, ide_portio_list, bus, "ide", + address_space_io, iobase); if (iobase2) { - isa_register_portio_list(dev, &bus->portio2_list, - iobase2, ide_portio2_list, bus, "ide"); + portio_list_init(&bus->portio2_list, owner, ide_portio2_list, bus, + "ide", address_space_io, iobase2); } } diff --git a/hw/ide/isa.c b/hw/ide/isa.c index 8bedbd13f1..cab5d0a07a 100644 --- a/hw/ide/isa.c +++ b/hw/ide/isa.c @@ -72,9 +72,11 @@ static void isa_ide_realizefn(DeviceState *dev, Error **errp) { ISADevice *isadev = ISA_DEVICE(dev); ISAIDEState *s = ISA_IDE(dev); + ISABus *isabus = isa_bus_from_device(isadev); ide_bus_init(&s->bus, sizeof(s->bus), dev, 0, 2); - ide_init_ioport(&s->bus, isadev, s->iobase, s->iobase2); + ide_init_ioport(&s->bus, isabus->address_space_io, OBJECT(dev), + s->iobase, s->iobase2); s->irq = isa_get_irq(isadev, s->isairq); ide_init2(&s->bus, s->irq); vmstate_register(VMSTATE_IF(dev), 0, &vmstate_ide_isa, s); diff --git a/hw/ide/piix.c b/hw/ide/piix.c index f0d95761ac..236b5b7416 100644 --- a/hw/ide/piix.c +++ b/hw/ide/piix.c @@ -29,6 +29,7 @@ #include "qemu/osdep.h" #include "hw/pci/pci.h" +#include "hw/pci/pci_bus.h" #include "migration/vmstate.h" #include "qapi/error.h" #include "qemu/module.h" @@ -143,8 +144,11 @@ static void pci_piix_init_ports(PCIIDEState *d, ISABus *isa_bus) {0x1f0, 0x3f6, 14}, {0x170, 0x376, 15}, }; + PCIBus *pci_bus = pci_get_bus(&d->parent_obj); int i; + assert(pci_bus); + if (isa_bus) { d->isa_irqs[0] = isa_bus->irqs[port_info[0].isairq]; d->isa_irqs[1] = isa_bus->irqs[port_info[1].isairq]; @@ -154,8 +158,8 @@ static void pci_piix_init_ports(PCIIDEState *d, ISABus *isa_bus) for (i = 0; i < 2; i++) { ide_bus_init(&d->bus[i], sizeof(d->bus[i]), DEVICE(d), i, 2); - ide_init_ioport(&d->bus[i], NULL, port_info[i].iobase, - port_info[i].iobase2); + ide_init_ioport(&d->bus[i], pci_bus->address_space_io, OBJECT(d), + port_info[i].iobase, port_info[i].iobase2); ide_init2(&d->bus[i], qdev_get_gpio_in(DEVICE(d), i)); bmdma_init(&d->bus[i], &d->bmdma[i], d); -- 2.39.1