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mirror_qemu/hw/pci/pci-hmp-cmds.c

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/*
* 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);
}
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