introduce pcie_aer_inject_error command.
Signed-off-by: Isaku Yamahata <yamah...@valinux.co.jp>
---
Changes v6 -> v7:
- check return value.
Changes v3 -> v4:
- s/PCIE_AER/PCIEAER/g for structure names.
- compilation adjustment.
Changes v2 -> v3:
- compilation adjustment.
---
hmp-commands.hx | 23 ++++++++++++++
hw/pcie_aer.c | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
sysemu.h | 5 +++
3 files changed, 115 insertions(+), 0 deletions(-)
diff --git a/hmp-commands.hx b/hmp-commands.hx
index 81999aa..02eae7d 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -835,6 +835,29 @@ Hot remove PCI device.
ETEXI
{
+ .name = "pcie_aer_inject_error",
+ .args_type = "advisory_non_fatal:-a,is_correctable:-c,"
+ "pci_addr:s,error_status:i,"
+ "tlph0:i?,tlph1:i?,tlph2:i?,tlph3:i?,"
+ "hpfx0:i?,hpfx1:i?,hpfx2:i?,hpfx3:i?",
+ .params = "[-a] [-c] [[<domain>:]<bus>:]<slot>.<func> "
+ "<error status:32bit> "
+ "[<tlp header:(32bit x 4)>] "
+ "[<tlp header prefix:(32bit x 4)>]",
+ .help = "inject pcie aer error "
+ "(use -a for advisory non fatal error) "
+ "(use -c for correctrable error)",
+ .user_print = pcie_aer_inject_error_print,
+ .mhandler.cmd_new = do_pcie_aer_inejct_error,
+ },
+
+STEXI
+...@item pcie_aer_inject_error
+...@findex pcie_aer_inject_error
+Inject PCIe AER error
+ETEXI
+
+ {
.name = "host_net_add",
.args_type = "device:s,opts:s?",
.params = "tap|user|socket|vde|dump [options]",
diff --git a/hw/pcie_aer.c b/hw/pcie_aer.c
index 84c3457..30e39fd 100644
--- a/hw/pcie_aer.c
+++ b/hw/pcie_aer.c
@@ -19,6 +19,8 @@
*/
#include "sysemu.h"
+#include "qemu-objects.h"
+#include "monitor.h"
#include "pci_bridge.h"
#include "pcie.h"
#include "msix.h"
@@ -823,3 +825,88 @@ const VMStateDescription vmstate_pcie_aer_log = {
}
};
+void pcie_aer_inject_error_print(Monitor *mon, const QObject *data)
+{
+ QDict *qdict;
+ int devfn;
+ assert(qobject_type(data) == QTYPE_QDICT);
+ qdict = qobject_to_qdict(data);
+
+ devfn = (int)qdict_get_int(qdict, "devfn");
+ monitor_printf(mon, "OK domain: %x, bus: %x devfn: %x.%x\n",
+ (int) qdict_get_int(qdict, "domain"),
+ (int) qdict_get_int(qdict, "bus"),
+ PCI_SLOT(devfn), PCI_FUNC(devfn));
+}
+
+int do_pcie_aer_inejct_error(Monitor *mon,
+ const QDict *qdict, QObject **ret_data)
+{
+ const char *pci_addr = qdict_get_str(qdict, "pci_addr");
+ int dom;
+ int bus;
+ unsigned int slot;
+ unsigned int func;
+ PCIDevice *dev;
+ PCIEAERErr err;
+ int ret;
+
+ /* Ideally qdev device path should be used.
+ * However at the moment there is no reliable way to determine
+ * wheher a given qdev is pci device or not.
+ * so pci_addr is used.
+ */
+ if (pci_parse_devaddr(pci_addr, &dom, &bus, &slot, &func)) {
+ monitor_printf(mon, "invalid pci address %s\n", pci_addr);
+ return -1;
+ }
+ dev = pci_find_device(pci_find_root_bus(dom), bus, slot, func);
+ if (!dev) {
+ monitor_printf(mon, "device is not found. 0x%x:0x%x.0x%x\n",
+ bus, slot, func);
+ return -1;
+ }
+ if (!pci_is_express(dev)) {
+ monitor_printf(mon, "the device doesn't support pci express. "
+ "0x%x:0x%x.0x%x\n",
+ bus, slot, func);
+ return -1;
+ }
+
+ err.status = qdict_get_int(qdict, "error_status");
+ err.source_id = (pci_bus_num(dev->bus) << 8) | dev->devfn;
+
+ err.flags = 0;
+ if (qdict_get_int(qdict, "is_correctable")) {
+ err.flags |= PCIE_AER_ERR_IS_CORRECTABLE;
+ }
+ if (qdict_get_int(qdict, "advisory_non_fatal")) {
+ err.flags |= PCIE_AER_ERR_MAYBE_ADVISORY;
+ }
+ if (qdict_haskey(qdict, "tlph0")) {
+ err.flags |= PCIE_AER_ERR_HEADER_VALID;
+ }
+ if (qdict_haskey(qdict, "hpfx0")) {
+ err.flags |= PCIE_AER_ERR_TLP_PRESENT;
+ }
+
+ err.header[0] = qdict_get_try_int(qdict, "tlph0", 0);
+ err.header[1] = qdict_get_try_int(qdict, "tlph1", 0);
+ err.header[2] = qdict_get_try_int(qdict, "tlph2", 0);
+ err.header[3] = qdict_get_try_int(qdict, "tlph3", 0);
+
+ err.prefix[0] = qdict_get_try_int(qdict, "hpfx0", 0);
+ err.prefix[1] = qdict_get_try_int(qdict, "hpfx1", 0);
+ err.prefix[2] = qdict_get_try_int(qdict, "hpfx2", 0);
+ err.prefix[3] = qdict_get_try_int(qdict, "hpfx3", 0);
+
+ ret = pcie_aer_inject_error(dev, &err);
+ *ret_data = qobject_from_jsonf("{ 'domain': %d, 'bus': %d, 'devfn': %d "
+ "'ret': %d}",
+ pci_find_domain(dev->bus),
+ pci_bus_num(dev->bus), dev->devfn,
+ ret);
+ assert(*ret_data);
+
+ return 0;
+}
diff --git a/sysemu.h b/sysemu.h
index b81a70e..99c7909 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -151,6 +151,11 @@ void pci_device_hot_add(Monitor *mon, const QDict *qdict);
void drive_hot_add(Monitor *mon, const QDict *qdict);
void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict);
+/* pcie aer error injection */
+void pcie_aer_inject_error_print(Monitor *mon, const QObject *data);
+int do_pcie_aer_inejct_error(Monitor *mon,
+ const QDict *qdict, QObject **ret_data);
+
/* serial ports */
#define MAX_SERIAL_PORTS 4
--
1.7.1.1
