diff options
author | Marcel Apfelbaum <marcel.a@redhat.com> | 2013-10-07 10:36:37 +0300 |
---|---|---|
committer | Michael S. Tsirkin <mst@redhat.com> | 2013-10-14 17:11:45 +0300 |
commit | 4c89e3e59368584ae6f34fdfce3c698223b8a918 (patch) | |
tree | 3ac3387724aea2d00a1e1d79f0d69d9b5de17fa5 /hw/net | |
parent | c008ac0c1cb68dfe8dcfda0e25562fa81c687e50 (diff) |
hw/vmxnet3: set interrupts using pci irq wrappers
pci_set_irq uses PCI_INTERRUPT_PIN config register
to compute device INTx pin to assert/deassert.
An assert is used to ensure that intx received
from the quest OS corresponds to PCI_INTERRUPT_PIN.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/net')
-rw-r--r-- | hw/net/vmxnet3.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c index 49c2466434..19687aa03c 100644 --- a/hw/net/vmxnet3.c +++ b/hw/net/vmxnet3.c @@ -336,7 +336,7 @@ static bool _vmxnet3_assert_interrupt_line(VMXNET3State *s, uint32_t int_idx) } VMW_IRPRN("Asserting line for interrupt %u", int_idx); - qemu_set_irq(d->irq[int_idx], 1); + pci_irq_assert(d); return true; } @@ -356,7 +356,7 @@ static void _vmxnet3_deassert_interrupt_line(VMXNET3State *s, int lidx) assert(!s->msi_used || !msi_enabled(d)); VMW_IRPRN("Deasserting line for interrupt %u", lidx); - qemu_set_irq(d->irq[lidx], 0); + pci_irq_deassert(d); } static void vmxnet3_update_interrupt_line_state(VMXNET3State *s, int lidx) @@ -1299,6 +1299,12 @@ static void vmxnet3_update_features(VMXNET3State *s) } } +static bool vmxnet3_verify_intx(VMXNET3State *s, int intx) +{ + return s->msix_used || s->msi_used || (intx == + (pci_get_byte(s->parent_obj.config + PCI_INTERRUPT_PIN) - 1)); +} + static void vmxnet3_activate_device(VMXNET3State *s) { int i; @@ -1332,6 +1338,7 @@ static void vmxnet3_activate_device(VMXNET3State *s) s->event_int_idx = VMXNET3_READ_DRV_SHARED8(s->drv_shmem, devRead.intrConf.eventIntrIdx); + assert(vmxnet3_verify_intx(s, s->event_int_idx)); VMW_CFPRN("Events interrupt line is %u", s->event_int_idx); s->auto_int_masking = @@ -1364,6 +1371,7 @@ static void vmxnet3_activate_device(VMXNET3State *s) /* Read interrupt number for this TX queue */ s->txq_descr[i].intr_idx = VMXNET3_READ_TX_QUEUE_DESCR8(qdescr_pa, conf.intrIdx); + assert(vmxnet3_verify_intx(s, s->txq_descr[i].intr_idx)); VMW_CFPRN("TX Queue %d interrupt: %d", i, s->txq_descr[i].intr_idx); @@ -1411,6 +1419,7 @@ static void vmxnet3_activate_device(VMXNET3State *s) /* Read interrupt number for this RX queue */ s->rxq_descr[i].intr_idx = VMXNET3_READ_TX_QUEUE_DESCR8(qd_pa, conf.intrIdx); + assert(vmxnet3_verify_intx(s, s->rxq_descr[i].intr_idx)); VMW_CFPRN("RX Queue %d interrupt: %d", i, s->rxq_descr[i].intr_idx); |