dev/pcie/pcie_irqs.cpp

86 fbl::RefPtr<SharedLegacyIrqHandler> SharedLegacyIrqHandler::Create(uint irq_id) {
89     SharedLegacyIrqHandler* handler = new (&ac) SharedLegacyIrqHandler(irq_id);
91         TRACEF("Failed to create shared legacry IRQ handler for system IRQ ID %u\n", irq_id);
98 SharedLegacyIrqHandler::SharedLegacyIrqHandler(uint irq_id)
99     : irq_id_(irq_id) {
273 bool PcieDevice::MaskUnmaskMsiIrqLocked(uint irq_id, bool mask) {
275     DEBUG_ASSERT(irq_id < irq_.handler_count);
278     pcie_irq_handler_state_t& hstate = irq_.handlers[irq_id];
289         DEBUG_ASSERT(irq_id < PCIE_MAX_MSI_IRQS);
291         if (mask) val |=  (static_cast<uint32_t>(1u) << irq_id);
292         else      val &= ~(static_cast<uint32_t>(1u) << irq_id);
298     DEBUG_ASSERT(irq_id < irq_.msi->irq_block_.num_irq);
300         bus_drv_.platform().MaskUnmaskMsi(&irq_.msi->irq_block_, irq_id, mask);
307 zx_status_t PcieDevice::MaskUnmaskMsiIrq(uint irq_id, bool mask) {
308     if (irq_id >= irq_.handler_count)
320         AutoSpinLock handler_lock(&irq_.handlers[irq_id].lock);
321         MaskUnmaskMsiIrqLocked(irq_id, mask);
651 zx_status_t PcieDevice::RegisterIrqHandlerLocked(uint irq_id,
665     if (irq_id >= irq_.handler_count)
669     pcie_irq_handler_state_t& hstate = irq_.handlers[irq_id];
691 zx_status_t PcieDevice::MaskUnmaskIrqLocked(uint irq_id, bool mask) {
703     if (irq_id >= irq_.handler_count)
708     pcie_irq_handler_state_t& hstate = irq_.handlers[irq_id];
716     case PCIE_IRQ_MODE_MSI:    return MaskUnmaskMsiIrq(irq_id, mask);
762 zx_status_t PcieDevice::RegisterIrqHandler(uint irq_id, pcie_irq_handler_fn_t handler, void* ctx) {
766         ? RegisterIrqHandlerLocked(irq_id, handler, ctx)
770 zx_status_t PcieDevice::MaskUnmaskIrq(uint irq_id, bool mask) {
774         ? MaskUnmaskIrqLocked(irq_id, mask)
879     return root->Swizzle(dev->dev_id(), dev->func_id(), pin, &irq_.legacy.irq_id);
904         irq_.legacy.shared_handler = bus_drv_.FindLegacyIrqHandler(irq_.legacy.irq_id);
907                    "dev %02x:%02x.%01x (pin %u, irq_id %u)\n",
909                    irq_.legacy.pin, irq_.legacy.irq_id);
923 fbl::RefPtr<SharedLegacyIrqHandler> PcieBusDriver::FindLegacyIrqHandler(uint irq_id) {
930         if (irq_id == iter->irq_id())
935     auto handler = SharedLegacyIrqHandler::Create(irq_id);