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Re: [Qemu-devel] [PATCH v3 6/8] hw: set interrupts using pci irq wrapper
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH v3 6/8] hw: set interrupts using pci irq wrappers |
Date: |
Mon, 7 Oct 2013 11:04:23 +0300 |
On Mon, Oct 07, 2013 at 11:03:47AM +0300, Michael S. Tsirkin wrote:
> On Mon, Oct 07, 2013 at 10:36:39AM +0300, Marcel Apfelbaum wrote:
> > pci_set_irq and the other pci irq wrappers use
> > PCI_INTERRUPT_PIN config register to compute device
> > INTx pin to assert/deassert.
> >
> > An irq is allocated using pci_allocate_irq wrapper
> > only if is needed by non pci devices.
> >
> > Removed irq related fields from state if not used anymore.
> >
> > Signed-off-by: Marcel Apfelbaum <address@hidden>
> > ---
> > Changes from v2:
> > - Addressed Alex Williamson's comments
> > - replaced calls to pci_set_irq with
> > pci_irq_assert/deassert when possible
> > - Addressed Gerd Hoffmann's comment
> > - removed irq_pin from UHCIState state
> > because it is not used anymore
> >
> > hw/audio/ac97.c | 4 ++--
> > hw/audio/es1370.c | 4 ++--
> > hw/audio/intel-hda.c | 2 +-
> > hw/block/nvme.c | 2 +-
> > hw/char/serial-pci.c | 5 +++--
> > hw/char/tpci200.c | 8 ++++----
> > hw/display/qxl.c | 2 +-
> > hw/ide/cmd646.c | 2 +-
> > hw/ide/ich.c | 3 ++-
> > hw/isa/vt82c686.c | 2 +-
> > hw/misc/ivshmem.c | 2 +-
> > hw/net/e1000.c | 2 +-
> > hw/net/eepro100.c | 4 ++--
> > hw/net/ne2000.c | 3 ++-
> > hw/net/pcnet-pci.c | 3 ++-
> > hw/net/rtl8139.c | 2 +-
> > hw/pci/shpc.c | 2 +-
> > hw/scsi/esp-pci.c | 3 ++-
> > hw/scsi/lsi53c895a.c | 2 +-
> > hw/scsi/megasas.c | 6 +++---
> > hw/scsi/vmw_pvscsi.c | 2 +-
> > hw/usb/hcd-ehci-pci.c | 2 +-
> > hw/usb/hcd-ohci.c | 2 +-
> > hw/usb/hcd-uhci.c | 6 ++----
> > hw/usb/hcd-xhci.c | 7 ++-----
> > hw/virtio/virtio-pci.c | 4 ++--
> > 26 files changed, 43 insertions(+), 43 deletions(-)
> >
> > diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c
> > index 01b4dfb..03f4846 100644
> > --- a/hw/audio/ac97.c
> > +++ b/hw/audio/ac97.c
> > @@ -280,12 +280,12 @@ static void update_sr (AC97LinkState *s,
> > AC97BusMasterRegs *r, uint32_t new_sr)
> > if (level) {
> > s->glob_sta |= masks[r - s->bm_regs];
> > dolog ("set irq level=1\n");
> > - qemu_set_irq (s->dev.irq[0], 1);
> > + pci_irq_assert(&s->dev);
> > }
> > else {
> > s->glob_sta &= ~masks[r - s->bm_regs];
> > dolog ("set irq level=0\n");
> > - qemu_set_irq (s->dev.irq[0], 0);
> > + pci_irq_deassert(&s->dev);
> > }
> > }
> >
> > diff --git a/hw/audio/es1370.c b/hw/audio/es1370.c
> > index adb66ce..1ec7ace 100644
> > --- a/hw/audio/es1370.c
> > +++ b/hw/audio/es1370.c
> > @@ -323,7 +323,7 @@ static void es1370_update_status (ES1370State *s,
> > uint32_t new_status)
> > else {
> > s->status = new_status & ~STAT_INTR;
> > }
> > - qemu_set_irq (s->dev.irq[0], !!level);
> > + pci_set_irq(&s->dev, !!level);
> > }
> >
> > static void es1370_reset (ES1370State *s)
> > @@ -349,7 +349,7 @@ static void es1370_reset (ES1370State *s)
> > s->dac_voice[i] = NULL;
> > }
> > }
> > - qemu_irq_lower (s->dev.irq[0]);
> > + pci_irq_deassert(&s->dev);
> > }
> >
> > static void es1370_maybe_lower_irq (ES1370State *s, uint32_t sctl)
> > diff --git a/hw/audio/intel-hda.c b/hw/audio/intel-hda.c
> > index a6666c6..4327264 100644
> > --- a/hw/audio/intel-hda.c
> > +++ b/hw/audio/intel-hda.c
> > @@ -269,7 +269,7 @@ static void intel_hda_update_irq(IntelHDAState *d)
> > msi_notify(&d->pci, 0);
> > }
> > } else {
> > - qemu_set_irq(d->pci.irq[0], level);
> > + pci_set_irq(&d->pci, level);
> > }
> > }
> >
> > diff --git a/hw/block/nvme.c b/hw/block/nvme.c
> > index 5dee229..2882ffe 100644
> > --- a/hw/block/nvme.c
> > +++ b/hw/block/nvme.c
> > @@ -69,7 +69,7 @@ static void nvme_isr_notify(NvmeCtrl *n, NvmeCQueue *cq)
> > if (msix_enabled(&(n->parent_obj))) {
> > msix_notify(&(n->parent_obj), cq->vector);
> > } else {
> > - qemu_irq_pulse(n->parent_obj.irq[0]);
> > + pci_irq_pulse(&n->parent_obj);
> > }
> > }
> > }
> > diff --git a/hw/char/serial-pci.c b/hw/char/serial-pci.c
> > index aec6705..991c99f 100644
> > --- a/hw/char/serial-pci.c
> > +++ b/hw/char/serial-pci.c
> > @@ -61,7 +61,7 @@ static int serial_pci_init(PCIDevice *dev)
> > }
> >
> > pci->dev.config[PCI_INTERRUPT_PIN] = 0x01;
> > - s->irq = pci->dev.irq[0];
> > + s->irq = pci_allocate_irq(&pci->dev);
> >
> > memory_region_init_io(&s->io, OBJECT(pci), &serial_io_ops, s,
> > "serial", 8);
> > pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
> > @@ -79,7 +79,7 @@ static void multi_serial_irq_mux(void *opaque, int n, int
> > level)
> > pending = 1;
> > }
> > }
> > - qemu_set_irq(pci->dev.irq[0], pending);
> > + pci_set_irq(&pci->dev, pending);
> > }
> >
> > static int multi_serial_pci_init(PCIDevice *dev)
> > @@ -132,6 +132,7 @@ static void serial_pci_exit(PCIDevice *dev)
> >
> > serial_exit_core(s);
> > memory_region_destroy(&s->io);
> > + qemu_free_irq(s->irq);
> > }
> >
> > static void multi_serial_pci_exit(PCIDevice *dev)
> > diff --git a/hw/char/tpci200.c b/hw/char/tpci200.c
> > index e04ff26..a49d2ed 100644
> > --- a/hw/char/tpci200.c
> > +++ b/hw/char/tpci200.c
> > @@ -134,8 +134,8 @@ static void tpci200_set_irq(void *opaque, int intno,
> > int level)
> > /* Check if the interrupt is edge sensitive */
> > if (dev->ctrl[ip_n] & CTRL_INT_EDGE(intno)) {
> > if (level) {
> > - qemu_set_irq(dev->dev.irq[0], !dev->int_set);
> > - qemu_set_irq(dev->dev.irq[0], dev->int_set);
> > + pci_set_irq(&dev->dev, !dev->int_set);
> > + pci_set_irq(&dev->dev, dev->int_set);
> > }
> > } else {
> > unsigned i, j;
> > @@ -153,10 +153,10 @@ static void tpci200_set_irq(void *opaque, int intno,
> > int level)
> > }
> >
> > if (level_status && !dev->int_set) {
> > - qemu_irq_raise(dev->dev.irq[0]);
> > + pci_irq_assert(&dev->dev);
> > dev->int_set = 1;
> > } else if (!level_status && dev->int_set) {
> > - qemu_irq_lower(dev->dev.irq[0]);
> > + pci_irq_deassert(&dev->dev);
> > dev->int_set = 0;
> > }
> > }
> > diff --git a/hw/display/qxl.c b/hw/display/qxl.c
> > index ee2db0d..678ad38 100644
> > --- a/hw/display/qxl.c
> > +++ b/hw/display/qxl.c
> > @@ -1101,7 +1101,7 @@ static void qxl_update_irq(PCIQXLDevice *d)
> > uint32_t pending = le32_to_cpu(d->ram->int_pending);
> > uint32_t mask = le32_to_cpu(d->ram->int_mask);
> > int level = !!(pending & mask);
> > - qemu_set_irq(d->pci.irq[0], level);
> > + pci_set_irq(&d->pci, level);
> > qxl_ring_set_dirty(d);
> > }
> >
> > diff --git a/hw/ide/cmd646.c b/hw/ide/cmd646.c
> > index 0500a7a..a8e35fe 100644
> > --- a/hw/ide/cmd646.c
> > +++ b/hw/ide/cmd646.c
> > @@ -230,7 +230,7 @@ static void cmd646_update_irq(PCIIDEState *d)
> > !(pd->config[MRDMODE] & MRDMODE_BLK_CH0)) ||
> > ((pd->config[MRDMODE] & MRDMODE_INTR_CH1) &&
> > !(pd->config[MRDMODE] & MRDMODE_BLK_CH1));
> > - qemu_set_irq(pd->irq[0], pci_level);
> > + pci_set_irq(pd, pci_level);
> > }
> >
> > /* the PCI irq level is the logical OR of the two channels */
> > diff --git a/hw/ide/ich.c b/hw/ide/ich.c
> > index bff952b..1c7c058 100644
> > --- a/hw/ide/ich.c
> > +++ b/hw/ide/ich.c
> > @@ -116,7 +116,7 @@ static int pci_ich9_ahci_init(PCIDevice *dev)
> > dev->config[0x90] = 1 << 6; /* Address Map Register - AHCI mode */
> >
> > msi_init(dev, 0x50, 1, true, false);
> > - d->ahci.irq = dev->irq[0];
> > + d->ahci.irq = pci_allocate_irq(dev);
> >
> > pci_register_bar(dev, ICH9_IDP_BAR, PCI_BASE_ADDRESS_SPACE_IO,
> > &d->ahci.idp);
> > @@ -145,6 +145,7 @@ static void pci_ich9_uninit(PCIDevice *dev)
> >
> > msi_uninit(dev);
> > ahci_uninit(&d->ahci);
> > + qemu_free_irq(d->ahci.irq);
> > }
> >
> > static void ich_ahci_class_init(ObjectClass *klass, void *data)
> > diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c
> > index 8fe4fcb..5fb8086 100644
> > --- a/hw/isa/vt82c686.c
> > +++ b/hw/isa/vt82c686.c
> > @@ -185,7 +185,7 @@ static void pm_update_sci(VT686PMState *s)
> > ACPI_BITMASK_POWER_BUTTON_ENABLE |
> > ACPI_BITMASK_GLOBAL_LOCK_ENABLE |
> > ACPI_BITMASK_TIMER_ENABLE)) != 0);
> > - qemu_set_irq(s->dev.irq[0], sci_level);
> > + pci_set_irq(&s->dev, sci_level);
> > /* schedule a timer interruption if needed */
> > acpi_pm_tmr_update(&s->ar, (s->ar.pm1.evt.en &
> > ACPI_BITMASK_TIMER_ENABLE) &&
> > !(pmsts & ACPI_BITMASK_TIMER_STATUS));
> > diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
> > index 2838866..8d144ba 100644
> > --- a/hw/misc/ivshmem.c
> > +++ b/hw/misc/ivshmem.c
> > @@ -133,7 +133,7 @@ static void ivshmem_update_irq(IVShmemState *s, int val)
> > isr ? 1 : 0, s->intrstatus, s->intrmask);
> > }
> >
> > - qemu_set_irq(d->irq[0], (isr != 0));
> > + pci_set_irq(d, (isr != 0));
> > }
> >
> > static void ivshmem_IntrMask_write(IVShmemState *s, uint32_t val)
> > diff --git a/hw/net/e1000.c b/hw/net/e1000.c
> > index 151d25e..c497bad 100644
> > --- a/hw/net/e1000.c
> > +++ b/hw/net/e1000.c
> > @@ -328,7 +328,7 @@ set_interrupt_cause(E1000State *s, int index, uint32_t
> > val)
> > }
> >
> > s->mit_irq_level = (pending_ints != 0);
> > - qemu_set_irq(d->irq[0], s->mit_irq_level);
> > + pci_set_irq(d, s->mit_irq_level);
> > }
> >
> > static void
> > diff --git a/hw/net/eepro100.c b/hw/net/eepro100.c
> > index ffa60d5..3b891ca 100644
> > --- a/hw/net/eepro100.c
> > +++ b/hw/net/eepro100.c
> > @@ -409,7 +409,7 @@ static void disable_interrupt(EEPRO100State * s)
> > {
> > if (s->int_stat) {
> > TRACE(INT, logout("interrupt disabled\n"));
> > - qemu_irq_lower(s->dev.irq[0]);
> > + pci_irq_deassert(&s->dev);
> > s->int_stat = 0;
> > }
> > }
> > @@ -418,7 +418,7 @@ static void enable_interrupt(EEPRO100State * s)
> > {
> > if (!s->int_stat) {
> > TRACE(INT, logout("interrupt enabled\n"));
> > - qemu_irq_raise(s->dev.irq[0]);
> > + pci_irq_assert(&s->dev);
> > s->int_stat = 1;
> > }
> > }
> > diff --git a/hw/net/ne2000.c b/hw/net/ne2000.c
> > index c961258..a94cf74 100644
> > --- a/hw/net/ne2000.c
> > +++ b/hw/net/ne2000.c
> > @@ -731,7 +731,7 @@ static int pci_ne2000_init(PCIDevice *pci_dev)
> > s = &d->ne2000;
> > ne2000_setup_io(s, DEVICE(pci_dev), 0x100);
> > pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
> > - s->irq = d->dev.irq[0];
> > + s->irq = pci_allocate_irq(&d->dev);
> >
> > qemu_macaddr_default_if_unset(&s->c.macaddr);
> > ne2000_reset(s);
> > @@ -752,6 +752,7 @@ static void pci_ne2000_exit(PCIDevice *pci_dev)
> >
> > memory_region_destroy(&s->io);
> > qemu_del_nic(s->nic);
> > + qemu_free_irq(s->irq);
> > }
> >
> > static Property ne2000_properties[] = {
> > diff --git a/hw/net/pcnet-pci.c b/hw/net/pcnet-pci.c
> > index 865f2f0..6a5d806 100644
> > --- a/hw/net/pcnet-pci.c
> > +++ b/hw/net/pcnet-pci.c
> > @@ -282,6 +282,7 @@ static void pci_pcnet_uninit(PCIDevice *dev)
> > {
> > PCIPCNetState *d = PCI_PCNET(dev);
> >
> > + qemu_free_irq(d->state.irq);
> > memory_region_destroy(&d->state.mmio);
> > memory_region_destroy(&d->io_bar);
> > timer_del(d->state.poll_timer);
> > @@ -331,7 +332,7 @@ static int pci_pcnet_init(PCIDevice *pci_dev)
> >
> > pci_register_bar(pci_dev, 1, 0, &s->mmio);
> >
> > - s->irq = pci_dev->irq[0];
> > + s->irq = pci_allocate_irq(pci_dev);
> > s->phys_mem_read = pci_physical_memory_read;
> > s->phys_mem_write = pci_physical_memory_write;
> > s->dma_opaque = pci_dev;
> > diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
> > index c31199f..7d72b21 100644
> > --- a/hw/net/rtl8139.c
> > +++ b/hw/net/rtl8139.c
> > @@ -716,7 +716,7 @@ static void rtl8139_update_irq(RTL8139State *s)
> > DPRINTF("Set IRQ to %d (%04x %04x)\n", isr ? 1 : 0, s->IntrStatus,
> > s->IntrMask);
> >
> > - qemu_set_irq(d->irq[0], (isr != 0));
> > + pci_set_irq(d, (isr != 0));
> > }
> >
> > static int rtl8139_RxWrap(RTL8139State *s)
> > diff --git a/hw/pci/shpc.c b/hw/pci/shpc.c
> > index eb092fd..0bbd36e 100644
> > --- a/hw/pci/shpc.c
> > +++ b/hw/pci/shpc.c
> > @@ -172,7 +172,7 @@ static void shpc_interrupt_update(PCIDevice *d)
> > if (msi_enabled(d) && shpc->msi_requested != level)
> > msi_notify(d, 0);
> > else
> > - qemu_set_irq(d->irq[0], level);
> > + pci_set_irq(d, level);
> > shpc->msi_requested = level;
> > }
> >
> > diff --git a/hw/scsi/esp-pci.c b/hw/scsi/esp-pci.c
> > index 99bf8ec..48c8b82 100644
> > --- a/hw/scsi/esp-pci.c
> > +++ b/hw/scsi/esp-pci.c
> > @@ -361,7 +361,7 @@ static int esp_pci_scsi_init(PCIDevice *dev)
> > "esp-io", 0x80);
> >
> > pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &pci->io);
> > - s->irq = dev->irq[0];
> > + s->irq = pci_allocate_irq(dev);
> >
> > scsi_bus_new(&s->bus, sizeof(s->bus), d, &esp_pci_scsi_info, NULL);
> > if (!d->hotplugged) {
> > @@ -378,6 +378,7 @@ static void esp_pci_scsi_uninit(PCIDevice *d)
> > {
> > PCIESPState *pci = PCI_ESP(d);
> >
> > + qemu_free_irq(pci->esp.irq);
> > memory_region_destroy(&pci->io);
> > }
> >
> > diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c
> > index 36e5f50..cb30414 100644
> > --- a/hw/scsi/lsi53c895a.c
> > +++ b/hw/scsi/lsi53c895a.c
> > @@ -437,7 +437,7 @@ static void lsi_update_irq(LSIState *s)
> > level, s->dstat, s->sist1, s->sist0);
> > last_level = level;
> > }
> > - qemu_set_irq(d->irq[0], level);
> > + pci_set_irq(d, level);
> >
> > if (!level && lsi_irq_on_rsl(s) && !(s->scntl1 & LSI_SCNTL1_CON)) {
> > DPRINTF("Handled IRQs & disconnected, looking for pending "
> > diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
> > index 09b51b3..7c5a1a2 100644
> > --- a/hw/scsi/megasas.c
> > +++ b/hw/scsi/megasas.c
> > @@ -535,7 +535,7 @@ static void megasas_complete_frame(MegasasState *s,
> > uint64_t context)
> > msix_notify(pci_dev, 0);
> > } else {
> > trace_megasas_irq_raise();
> > - qemu_irq_raise(pci_dev->irq[0]);
> > + pci_irq_assert(pci_dev);
> > }
> > }
> > } else {
> > @@ -1936,7 +1936,7 @@ static void megasas_mmio_write(void *opaque, hwaddr
> > addr,
> > s->intr_mask = val;
> > if (!megasas_intr_enabled(s) && !msix_enabled(pci_dev)) {
> > trace_megasas_irq_lower();
> > - qemu_irq_lower(pci_dev->irq[0]);
> > + pci_irq_deassert(pci_dev);
> > }
> > if (megasas_intr_enabled(s)) {
> > trace_megasas_intr_enabled();
> > @@ -1952,7 +1952,7 @@ static void megasas_mmio_write(void *opaque, hwaddr
> > addr,
> > stl_le_phys(s->producer_pa, s->reply_queue_head);
> > if (!msix_enabled(pci_dev)) {
> > trace_megasas_irq_lower();
> > - qemu_irq_lower(pci_dev->irq[0]);
> > + pci_irq_deassert(pci_dev);
> > }
> > }
> > break;
> > diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c
> > index 819d671..94b328f 100644
> > --- a/hw/scsi/vmw_pvscsi.c
> > +++ b/hw/scsi/vmw_pvscsi.c
> > @@ -330,7 +330,7 @@ pvscsi_update_irq_status(PVSCSIState *s)
> > return;
> > }
> >
> > - qemu_set_irq(d->irq[0], !!should_raise);
> > + pci_set_irq(d, !!should_raise);
> > }
> >
> > static void
> > diff --git a/hw/usb/hcd-ehci-pci.c b/hw/usb/hcd-ehci-pci.c
> > index 4d21a0b..0c98594 100644
> > --- a/hw/usb/hcd-ehci-pci.c
> > +++ b/hw/usb/hcd-ehci-pci.c
> > @@ -60,7 +60,7 @@ static int usb_ehci_pci_initfn(PCIDevice *dev)
> > pci_conf[0x6e] = 0x00;
> > pci_conf[0x6f] = 0xc0; /* USBLEFCTLSTS */
> >
> > - s->irq = dev->irq[3];
> > + s->irq = pci_allocate_irq(dev);
> > s->as = pci_get_address_space(dev);
> >
> > usb_ehci_realize(s, DEVICE(dev), NULL);
> > diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
> > index 35f0878..2b36ee5 100644
> > --- a/hw/usb/hcd-ohci.c
> > +++ b/hw/usb/hcd-ohci.c
> > @@ -1944,7 +1944,7 @@ static int usb_ohci_initfn_pci(PCIDevice *dev)
> > pci_get_address_space(dev)) != 0) {
> > return -1;
> > }
> > - ohci->state.irq = dev->irq[0];
> > + ohci->state.irq = pci_allocate_irq(dev);
> >
> > pci_register_bar(dev, 0, 0, &ohci->state.mem);
> > return 0;
> > diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
> > index becc7fa..238d1d2 100644
> > --- a/hw/usb/hcd-uhci.c
> > +++ b/hw/usb/hcd-uhci.c
> > @@ -164,7 +164,6 @@ struct UHCIState {
> >
> > /* Interrupts that should be raised at the end of the current frame.
> > */
> > uint32_t pending_int_mask;
> > - int irq_pin;
> >
> > /* Active packets */
> > QTAILQ_HEAD(, UHCIQueue) queues;
> > @@ -381,7 +380,7 @@ static void uhci_update_irq(UHCIState *s)
> > } else {
> > level = 0;
> > }
> > - qemu_set_irq(s->dev.irq[s->irq_pin], level);
> > + pci_set_irq(&s->dev, level);
> > }
> >
> > static void uhci_reset(void *opaque)
> > @@ -1240,8 +1239,7 @@ static int usb_uhci_common_initfn(PCIDevice *dev)
> > /* TODO: reset value should be 0. */
> > pci_conf[USB_SBRN] = USB_RELEASE_1; // release number
> >
> > - s->irq_pin = u->info.irq_pin;
> > - pci_config_set_interrupt_pin(pci_conf, s->irq_pin + 1);
> > + pci_config_set_interrupt_pin(pci_conf, u->info.irq_pin + 1);
>
> So everyone does this + 1/ - 1 logic.
>
> We get comments like:
> pci_config_set_interrupt_pin(pci_conf, 1); /* interrupt pin 0 */
> which just shows the API is confusing.
> How about we change pci_config_set_interrupt_pin to do + 1
> internally?
> Then add pci_config_get_interrupt_pin to do - 1.
>
> Add a comment that this does not support devices without interrupts,
> for that - use get_byte directly.
Note: this is not a problem with your patch, it can
be a cleanup on top.
> >
> > if (s->masterbus) {
> > USBPort *ports[NB_PORTS];
> > diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
> > index 469c24d..4f0bbb7 100644
> > --- a/hw/usb/hcd-xhci.c
> > +++ b/hw/usb/hcd-xhci.c
> > @@ -449,7 +449,6 @@ struct XHCIState {
> > /*< public >*/
> >
> > USBBus bus;
> > - qemu_irq irq;
> > MemoryRegion mem;
> > MemoryRegion mem_cap;
> > MemoryRegion mem_oper;
> > @@ -739,7 +738,7 @@ static void xhci_intx_update(XHCIState *xhci)
> > }
> >
> > trace_usb_xhci_irq_intx(level);
> > - qemu_set_irq(xhci->irq, level);
> > + pci_set_irq(pci_dev, level);
> > }
> >
> > static void xhci_msix_update(XHCIState *xhci, int v)
> > @@ -797,7 +796,7 @@ static void xhci_intr_raise(XHCIState *xhci, int v)
> >
> > if (v == 0) {
> > trace_usb_xhci_irq_intx(1);
> > - qemu_set_irq(xhci->irq, 1);
> > + pci_irq_assert(pci_dev);
> > }
> > }
> >
> > @@ -3433,8 +3432,6 @@ static int usb_xhci_initfn(struct PCIDevice *dev)
> >
> > xhci->mfwrap_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
> > xhci_mfwrap_timer, xhci);
> >
> > - xhci->irq = dev->irq[0];
> > -
> > memory_region_init(&xhci->mem, OBJECT(xhci), "xhci", LEN_REGS);
> > memory_region_init_io(&xhci->mem_cap, OBJECT(xhci), &xhci_cap_ops,
> > xhci,
> > "capabilities", LEN_CAP);
> > diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
> > index 4825802..7647be8 100644
> > --- a/hw/virtio/virtio-pci.c
> > +++ b/hw/virtio/virtio-pci.c
> > @@ -116,7 +116,7 @@ static void virtio_pci_notify(DeviceState *d, uint16_t
> > vector)
> > if (msix_enabled(&proxy->pci_dev))
> > msix_notify(&proxy->pci_dev, vector);
> > else
> > - qemu_set_irq(proxy->pci_dev.irq[0], proxy->vdev->isr & 1);
> > + pci_set_irq(&proxy->pci_dev, proxy->vdev->isr & 1);
> > }
> >
> > static void virtio_pci_save_config(DeviceState *d, QEMUFile *f)
> > @@ -362,7 +362,7 @@ static uint32_t virtio_ioport_read(VirtIOPCIProxy
> > *proxy, uint32_t addr)
> > /* reading from the ISR also clears it. */
> > ret = vdev->isr;
> > vdev->isr = 0;
> > - qemu_set_irq(proxy->pci_dev.irq[0], 0);
> > + pci_irq_deassert(&proxy->pci_dev);
> > break;
> > case VIRTIO_MSI_CONFIG_VECTOR:
> > ret = vdev->config_vector;
> > --
> > 1.8.3.1
- [Qemu-devel] [PATCH v3 0/8] hw/pci: set irq without selecting INTx pin, Marcel Apfelbaum, 2013/10/07
- [Qemu-devel] [PATCH v3 1/8] hw/core: Add interface to allocate and free a single IRQ, Marcel Apfelbaum, 2013/10/07
- [Qemu-devel] [PATCH v3 2/8] hw/pci: add pci wrappers for allocating and asserting irqs, Marcel Apfelbaum, 2013/10/07
- [Qemu-devel] [PATCH v3 3/8] hw/pci-bridge: set PCI_INTERRUPT_PIN register before shpc init, Marcel Apfelbaum, 2013/10/07
- [Qemu-devel] [PATCH v3 4/8] hw/vmxnet3: set interrupts using pci irq wrappers, Marcel Apfelbaum, 2013/10/07
- [Qemu-devel] [PATCH v3 6/8] hw: set interrupts using pci irq wrappers, Marcel Apfelbaum, 2013/10/07
- [Qemu-devel] [PATCH v3 5/8] hw/vfio: set interrupts using pci irq wrappers, Marcel Apfelbaum, 2013/10/07
- [Qemu-devel] [PATCH v3 7/8] hw/pcie: AER and hot-plug events must use device's interrupt, Marcel Apfelbaum, 2013/10/07
- [Qemu-devel] [PATCH v3 8/8] hw/pci: removed irq field from PCIDevice, Marcel Apfelbaum, 2013/10/07
- Re: [Qemu-devel] [PATCH v3 0/8] hw/pci: set irq without selecting INTx pin, Michael S. Tsirkin, 2013/10/07
- Re: [Qemu-devel] [PATCH v3 0/8] hw/pci: set irq without selecting INTx pin, Michael S. Tsirkin, 2013/10/08