|  | /* | 
|  | * HMP commands related to PCI | 
|  | * | 
|  | * Copyright IBM, Corp. 2011 | 
|  | * | 
|  | * Authors: | 
|  | *  Anthony Liguori   <aliguori@us.ibm.com> | 
|  | * | 
|  | * This work is licensed under the terms of the GNU GPL, version 2.  See | 
|  | * the COPYING file in the top-level directory. | 
|  | * | 
|  | * Contributions after 2012-01-13 are licensed under the terms of the | 
|  | * GNU GPL, version 2 or (at your option) any later version. | 
|  | */ | 
|  |  | 
|  | #include "qemu/osdep.h" | 
|  | #include "hw/pci/pci.h" | 
|  | #include "hw/pci/pci_device.h" | 
|  | #include "monitor/hmp.h" | 
|  | #include "monitor/monitor.h" | 
|  | #include "pci-internal.h" | 
|  | #include "qapi/error.h" | 
|  | #include "qapi/qmp/qdict.h" | 
|  | #include "qapi/qapi-commands-pci.h" | 
|  | #include "qemu/cutils.h" | 
|  |  | 
|  | static void hmp_info_pci_device(Monitor *mon, const PciDeviceInfo *dev) | 
|  | { | 
|  | PciMemoryRegionList *region; | 
|  |  | 
|  | monitor_printf(mon, "  Bus %2" PRId64 ", ", dev->bus); | 
|  | monitor_printf(mon, "device %3" PRId64 ", function %" PRId64 ":\n", | 
|  | dev->slot, dev->function); | 
|  | monitor_printf(mon, "    "); | 
|  |  | 
|  | if (dev->class_info->desc) { | 
|  | monitor_puts(mon, dev->class_info->desc); | 
|  | } else { | 
|  | monitor_printf(mon, "Class %04" PRId64, dev->class_info->q_class); | 
|  | } | 
|  |  | 
|  | monitor_printf(mon, ": PCI device %04" PRIx64 ":%04" PRIx64 "\n", | 
|  | dev->id->vendor, dev->id->device); | 
|  | if (dev->id->has_subsystem_vendor && dev->id->has_subsystem) { | 
|  | monitor_printf(mon, "      PCI subsystem %04" PRIx64 ":%04" PRIx64 "\n", | 
|  | dev->id->subsystem_vendor, dev->id->subsystem); | 
|  | } | 
|  |  | 
|  | if (dev->has_irq) { | 
|  | monitor_printf(mon, "      IRQ %" PRId64 ", pin %c\n", | 
|  | dev->irq, (char)('A' + dev->irq_pin - 1)); | 
|  | } | 
|  |  | 
|  | if (dev->pci_bridge) { | 
|  | monitor_printf(mon, "      BUS %" PRId64 ".\n", | 
|  | dev->pci_bridge->bus->number); | 
|  | monitor_printf(mon, "      secondary bus %" PRId64 ".\n", | 
|  | dev->pci_bridge->bus->secondary); | 
|  | monitor_printf(mon, "      subordinate bus %" PRId64 ".\n", | 
|  | dev->pci_bridge->bus->subordinate); | 
|  |  | 
|  | monitor_printf(mon, "      IO range [0x%04"PRIx64", 0x%04"PRIx64"]\n", | 
|  | dev->pci_bridge->bus->io_range->base, | 
|  | dev->pci_bridge->bus->io_range->limit); | 
|  |  | 
|  | monitor_printf(mon, | 
|  | "      memory range [0x%08"PRIx64", 0x%08"PRIx64"]\n", | 
|  | dev->pci_bridge->bus->memory_range->base, | 
|  | dev->pci_bridge->bus->memory_range->limit); | 
|  |  | 
|  | monitor_printf(mon, "      prefetchable memory range " | 
|  | "[0x%08"PRIx64", 0x%08"PRIx64"]\n", | 
|  | dev->pci_bridge->bus->prefetchable_range->base, | 
|  | dev->pci_bridge->bus->prefetchable_range->limit); | 
|  | } | 
|  |  | 
|  | for (region = dev->regions; region; region = region->next) { | 
|  | uint64_t addr, size; | 
|  |  | 
|  | addr = region->value->address; | 
|  | size = region->value->size; | 
|  |  | 
|  | monitor_printf(mon, "      BAR%" PRId64 ": ", region->value->bar); | 
|  |  | 
|  | if (!strcmp(region->value->type, "io")) { | 
|  | monitor_printf(mon, "I/O at 0x%04" PRIx64 | 
|  | " [0x%04" PRIx64 "].\n", | 
|  | addr, addr + size - 1); | 
|  | } else { | 
|  | monitor_printf(mon, "%d bit%s memory at 0x%08" PRIx64 | 
|  | " [0x%08" PRIx64 "].\n", | 
|  | region->value->mem_type_64 ? 64 : 32, | 
|  | region->value->prefetch ? " prefetchable" : "", | 
|  | addr, addr + size - 1); | 
|  | } | 
|  | } | 
|  |  | 
|  | monitor_printf(mon, "      id \"%s\"\n", dev->qdev_id); | 
|  |  | 
|  | if (dev->pci_bridge) { | 
|  | if (dev->pci_bridge->has_devices) { | 
|  | PciDeviceInfoList *cdev; | 
|  | for (cdev = dev->pci_bridge->devices; cdev; cdev = cdev->next) { | 
|  | hmp_info_pci_device(mon, cdev->value); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | void hmp_info_pci(Monitor *mon, const QDict *qdict) | 
|  | { | 
|  | PciInfoList *info_list, *info; | 
|  |  | 
|  | info_list = qmp_query_pci(&error_abort); | 
|  |  | 
|  | for (info = info_list; info; info = info->next) { | 
|  | PciDeviceInfoList *dev; | 
|  |  | 
|  | for (dev = info->value->devices; dev; dev = dev->next) { | 
|  | hmp_info_pci_device(mon, dev->value); | 
|  | } | 
|  | } | 
|  |  | 
|  | qapi_free_PciInfoList(info_list); | 
|  | } | 
|  |  | 
|  | void pcibus_dev_print(Monitor *mon, DeviceState *dev, int indent) | 
|  | { | 
|  | PCIDevice *d = (PCIDevice *)dev; | 
|  | int class = pci_get_word(d->config + PCI_CLASS_DEVICE); | 
|  | const pci_class_desc *desc = get_class_desc(class); | 
|  | char ctxt[64]; | 
|  | PCIIORegion *r; | 
|  | int i; | 
|  |  | 
|  | if (desc->desc) { | 
|  | snprintf(ctxt, sizeof(ctxt), "%s", desc->desc); | 
|  | } else { | 
|  | snprintf(ctxt, sizeof(ctxt), "Class %04x", class); | 
|  | } | 
|  |  | 
|  | monitor_printf(mon, "%*sclass %s, addr %02x:%02x.%x, " | 
|  | "pci id %04x:%04x (sub %04x:%04x)\n", | 
|  | indent, "", ctxt, pci_dev_bus_num(d), | 
|  | PCI_SLOT(d->devfn), PCI_FUNC(d->devfn), | 
|  | pci_get_word(d->config + PCI_VENDOR_ID), | 
|  | pci_get_word(d->config + PCI_DEVICE_ID), | 
|  | pci_get_word(d->config + PCI_SUBSYSTEM_VENDOR_ID), | 
|  | pci_get_word(d->config + PCI_SUBSYSTEM_ID)); | 
|  | for (i = 0; i < PCI_NUM_REGIONS; i++) { | 
|  | r = &d->io_regions[i]; | 
|  | if (!r->size) { | 
|  | continue; | 
|  | } | 
|  | monitor_printf(mon, "%*sbar %d: %s at 0x%"FMT_PCIBUS | 
|  | " [0x%"FMT_PCIBUS"]\n", | 
|  | indent, "", | 
|  | i, r->type & PCI_BASE_ADDRESS_SPACE_IO ? "i/o" : "mem", | 
|  | r->addr, r->addr + r->size - 1); | 
|  | } | 
|  | } | 
|  |  | 
|  | void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict) | 
|  | { | 
|  | Error *err = NULL; | 
|  | const char *id = qdict_get_str(qdict, "id"); | 
|  | const char *error_name; | 
|  | uint32_t error_status; | 
|  | unsigned int num; | 
|  | bool correctable; | 
|  | PCIDevice *dev; | 
|  | PCIEAERErr aer_err; | 
|  | int ret; | 
|  |  | 
|  | ret = pci_qdev_find_device(id, &dev); | 
|  | if (ret == -ENODEV) { | 
|  | error_setg(&err, "device '%s' not found", id); | 
|  | goto out; | 
|  | } | 
|  | if (ret < 0 || !pci_is_express(dev)) { | 
|  | error_setg(&err, "device '%s' is not a PCIe device", id); | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | error_name = qdict_get_str(qdict, "error_status"); | 
|  | if (pcie_aer_parse_error_string(error_name, &error_status, &correctable)) { | 
|  | if (qemu_strtoui(error_name, NULL, 0, &num) < 0) { | 
|  | error_setg(&err, "invalid error status value '%s'", error_name); | 
|  | goto out; | 
|  | } | 
|  | error_status = num; | 
|  | correctable = qdict_get_try_bool(qdict, "correctable", false); | 
|  | } else { | 
|  | if (qdict_haskey(qdict, "correctable")) { | 
|  | error_setg(&err, "-c is only valid with numeric error status"); | 
|  | goto out; | 
|  | } | 
|  | } | 
|  | aer_err.status = error_status; | 
|  | aer_err.source_id = pci_requester_id(dev); | 
|  |  | 
|  | aer_err.flags = 0; | 
|  | if (correctable) { | 
|  | aer_err.flags |= PCIE_AER_ERR_IS_CORRECTABLE; | 
|  | } | 
|  | if (qdict_get_try_bool(qdict, "advisory_non_fatal", false)) { | 
|  | aer_err.flags |= PCIE_AER_ERR_MAYBE_ADVISORY; | 
|  | } | 
|  | if (qdict_haskey(qdict, "header0")) { | 
|  | aer_err.flags |= PCIE_AER_ERR_HEADER_VALID; | 
|  | } | 
|  | if (qdict_haskey(qdict, "prefix0")) { | 
|  | aer_err.flags |= PCIE_AER_ERR_TLP_PREFIX_PRESENT; | 
|  | } | 
|  |  | 
|  | aer_err.header[0] = qdict_get_try_int(qdict, "header0", 0); | 
|  | aer_err.header[1] = qdict_get_try_int(qdict, "header1", 0); | 
|  | aer_err.header[2] = qdict_get_try_int(qdict, "header2", 0); | 
|  | aer_err.header[3] = qdict_get_try_int(qdict, "header3", 0); | 
|  |  | 
|  | aer_err.prefix[0] = qdict_get_try_int(qdict, "prefix0", 0); | 
|  | aer_err.prefix[1] = qdict_get_try_int(qdict, "prefix1", 0); | 
|  | aer_err.prefix[2] = qdict_get_try_int(qdict, "prefix2", 0); | 
|  | aer_err.prefix[3] = qdict_get_try_int(qdict, "prefix3", 0); | 
|  |  | 
|  | ret = pcie_aer_inject_error(dev, &aer_err); | 
|  | if (ret < 0) { | 
|  | error_setg_errno(&err, -ret, "failed to inject error"); | 
|  | goto out; | 
|  | } | 
|  |  | 
|  |  | 
|  | monitor_printf(mon, "OK id: %s root bus: %s, bus: %x devfn: %x.%x\n", | 
|  | id, pci_root_bus_path(dev), pci_dev_bus_num(dev), | 
|  | PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); | 
|  |  | 
|  | out: | 
|  | hmp_handle_error(mon, err); | 
|  | } |