X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fpiix3.c;h=e1709d63602ef62bb34426f7b20209fa8e4c4ea8;hb=60ad6a41c6d0ee08ed689e8505eb0c3df0c2a289;hp=b482b488e59576fdb46a2cf893b0448f5b62e1a2;hpb=eb2dd607efd35a1521ae6a707e0a2178dd1f74ee;p=palacios.git diff --git a/palacios/src/devices/piix3.c b/palacios/src/devices/piix3.c index b482b48..e1709d6 100644 --- a/palacios/src/devices/piix3.c +++ b/palacios/src/devices/piix3.c @@ -371,15 +371,19 @@ struct pirq_rc_reg { */ -static int raise_pci_irq(struct pci_device * pci_dev, void * dev_data) { +static int raise_pci_irq(struct pci_device * pci_dev, void * dev_data, struct v3_irq * vec) { struct v3_southbridge * piix3 = dev_data; struct pci_device * piix3_pci = piix3->southbridge_pci; struct piix3_config_space * piix3_cfg = (struct piix3_config_space *)(piix3_pci->config_data); int intr_pin = pci_dev->config_header.intr_pin - 1; int irq_index = (intr_pin + pci_dev->dev_num - 1) & 0x3; + struct v3_irq irq; // Make a copy of the irq state because we will switch the irq number + + irq.ack = vec->ack; + irq.private_data = vec->private_data; /* - PrintError("Raising PCI dev %d intr %d via IOAPIC as IRQ %d and via PIRQ as IRQ %d on VM %p\n", + PrintError(info->vm_info, info, "Raising PCI dev %d intr %d via IOAPIC as IRQ %d and via PIRQ as IRQ %d on VM %p\n", pci_dev->dev_num, pci_dev->config_header.intr_pin, 16+irq_index, piix3_cfg->pirq_rc[irq_index], piix3->vm); @@ -388,7 +392,10 @@ static int raise_pci_irq(struct pci_device * pci_dev, void * dev_data) { // deliver first by PIRQ, if it exists // if (piix3_cfg->pirq_rc[irq_index] < 16) { - v3_raise_irq(piix3->vm, piix3_cfg->pirq_rc[irq_index] & 0xf); + irq.irq = piix3_cfg->pirq_rc[irq_index] & 0xf; + + // V3_Print(info->vm_info, info, "Raising PIIX IRQ %d\n", irq.irq); + v3_raise_acked_irq(piix3->vm, irq); } else { // not an error } @@ -396,7 +403,9 @@ static int raise_pci_irq(struct pci_device * pci_dev, void * dev_data) { // deliver next via the PCI0 to ioapic mapping defined in the // mptable (ioapic, pins 16->19 are used for PCI0) // ideally this would check to verify that an ioapic is actually available - v3_raise_irq(piix3->vm, 16+irq_index); + irq.irq = (irq_index + 1) + 16; + // V3_Print(info->vm_info, info, "Raising PIIX IRQ (#2) %d\n", irq.irq); + v3_raise_acked_irq(piix3->vm, irq); return 0; @@ -404,21 +413,26 @@ static int raise_pci_irq(struct pci_device * pci_dev, void * dev_data) { -static int lower_pci_irq(struct pci_device * pci_dev, void * dev_data) { +static int lower_pci_irq(struct pci_device * pci_dev, void * dev_data, struct v3_irq * vec) { struct v3_southbridge * piix3 = dev_data; struct pci_device * piix3_pci = piix3->southbridge_pci; struct piix3_config_space * piix3_cfg = (struct piix3_config_space *)(piix3_pci->config_data); int intr_pin = pci_dev->config_header.intr_pin - 1; int irq_index = (intr_pin + pci_dev->dev_num - 1) & 0x3; - - // PrintError("Lowering PCI IRQ %d\n", piix3_cfg->pirq_rc[irq_index]); + struct v3_irq irq; // Make a copy of the irq state because we will switch the irq number + + irq.ack = vec->ack; + irq.private_data = vec->private_data; + // PrintError(info->vm_info, info, "Lowering PCI IRQ %d\n", piix3_cfg->pirq_rc[irq_index]); // First, lower the pin on the ioapic - v3_lower_irq(piix3->vm, irq_index+16); + irq.irq = (irq_index + 1) + 16; + v3_lower_acked_irq(piix3->vm, irq); // Next, lower whatever we asserted by the PIRQs if (piix3_cfg->pirq_rc[irq_index] < 16) { - v3_lower_irq(piix3->vm, piix3_cfg->pirq_rc[irq_index] & 0xf); + irq.irq = piix3_cfg->pirq_rc[irq_index] & 0xf; + v3_lower_acked_irq(piix3->vm, irq); } else { // not an error } @@ -457,9 +471,9 @@ static int setup_pci(struct v3_southbridge * piix3) { pci_dev = v3_pci_register_device(piix3->pci_bus, PCI_MULTIFUNCTION, bus_num, -1, 0, "PIIX3", bars, - NULL, NULL, NULL, piix3); + NULL, NULL, NULL, NULL, piix3); if (pci_dev == NULL) { - PrintError("Could not register PCI Device for PIIX3\n"); + PrintError(VM_NONE, VCORE_NONE, "Could not register PCI Device for PIIX3\n"); return -1; } @@ -483,8 +497,13 @@ static int piix3_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { struct vm_device * pci = v3_find_dev(vm, v3_cfg_val(cfg, "bus")); char * dev_id = v3_cfg_val(cfg, "ID"); + if (!piix3) { + PrintError(vm, VCORE_NONE, "Cannot allocate in init\n"); + return -1; + } + if (!pci) { - PrintError("Could not find PCI device\n"); + PrintError(vm, VCORE_NONE, "Could not find PCI device\n"); return -1; } @@ -495,12 +514,12 @@ static int piix3_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { dev = v3_add_device(vm, dev_id, &dev_ops, piix3); if (dev == NULL) { - PrintError("Could not attach device %s\n", dev_id); + PrintError(vm, VCORE_NONE, "Could not attach device %s\n", dev_id); V3_Free(piix3); return -1; } - PrintDebug("Created PIIX3\n"); + PrintDebug(vm, VCORE_NONE, "Created PIIX3\n"); if (setup_pci(piix3) == -1) { v3_remove_device(dev);