diff options
| -rw-r--r-- | hmp-commands.hx | 25 | ||||
| -rw-r--r-- | hw/pci-stub.c | 13 | ||||
| -rw-r--r-- | hw/pcie_aer.c | 223 | ||||
| -rw-r--r-- | sysemu.h | 5 |
4 files changed, 266 insertions, 0 deletions
diff --git a/hmp-commands.hx b/hmp-commands.hx index dd3db36108..8d84ddc62a 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -873,6 +873,31 @@ Hot remove PCI device. ETEXI { + .name = "pcie_aer_inject_error", + .args_type = "advisory_non_fatal:-a,correctable:-c," + "id:s,error_status:s," + "header0:i?,header1:i?,header2:i?,header3:i?," + "prefix0:i?,prefix1:i?,prefix2:i?,prefix3:i?", + .params = "[-a] [-c] id " + "<error_status> [<tlp header> [<tlp header prefix>]]", + .help = "inject pcie aer error\n\t\t\t" + " -a for advisory non fatal error\n\t\t\t" + " -c for correctable error\n\t\t\t" + "<id> = qdev device id\n\t\t\t" + "<error_status> = error string or 32bit\n\t\t\t" + "<tlb header> = 32bit x 4\n\t\t\t" + "<tlb header prefix> = 32bit x 4", + .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/pci-stub.c b/hw/pci-stub.c index 674591d913..c5a0aa8979 100644 --- a/hw/pci-stub.c +++ b/hw/pci-stub.c @@ -18,6 +18,7 @@ * with this program; if not, see <http://www.gnu.org/licenses/>. */ +#include "sysemu.h" #include "monitor.h" #include "pci.h" @@ -35,3 +36,15 @@ void do_pci_info_print(Monitor *mon, const QObject *data) { pci_error_message(mon); } + +int do_pcie_aer_inejct_error(Monitor *mon, + const QDict *qdict, QObject **ret_data) +{ + pci_error_message(mon); + return -ENOSYS; +} + +void pcie_aer_inject_error_print(Monitor *mon, const QObject *data) +{ + pci_error_message(mon); +} diff --git a/hw/pcie_aer.c b/hw/pcie_aer.c index cb97a95d61..6e653ddb92 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" @@ -806,3 +808,224 @@ const VMStateDescription vmstate_pcie_aer_log = { VMSTATE_END_OF_LIST() } }; + +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 id: %s domain: %x, bus: %x devfn: %x.%x\n", + qdict_get_str(qdict, "id"), + (int) qdict_get_int(qdict, "domain"), + (int) qdict_get_int(qdict, "bus"), + PCI_SLOT(devfn), PCI_FUNC(devfn)); +} + +typedef struct PCIEAERErrorName { + const char *name; + uint32_t val; + bool correctable; +} PCIEAERErrorName; + +/* + * AER error name -> value convertion table + * This naming scheme is same to linux aer-injection tool. + */ +static const struct PCIEAERErrorName pcie_aer_error_list[] = { + { + .name = "TRAIN", + .val = PCI_ERR_UNC_TRAIN, + .correctable = false, + }, { + .name = "DLP", + .val = PCI_ERR_UNC_DLP, + .correctable = false, + }, { + .name = "SDN", + .val = PCI_ERR_UNC_SDN, + .correctable = false, + }, { + .name = "POISON_TLP", + .val = PCI_ERR_UNC_POISON_TLP, + .correctable = false, + }, { + .name = "FCP", + .val = PCI_ERR_UNC_FCP, + .correctable = false, + }, { + .name = "COMP_TIME", + .val = PCI_ERR_UNC_COMP_TIME, + .correctable = false, + }, { + .name = "COMP_ABORT", + .val = PCI_ERR_UNC_COMP_ABORT, + .correctable = false, + }, { + .name = "UNX_COMP", + .val = PCI_ERR_UNC_UNX_COMP, + .correctable = false, + }, { + .name = "RX_OVER", + .val = PCI_ERR_UNC_RX_OVER, + .correctable = false, + }, { + .name = "MALF_TLP", + .val = PCI_ERR_UNC_MALF_TLP, + .correctable = false, + }, { + .name = "ECRC", + .val = PCI_ERR_UNC_ECRC, + .correctable = false, + }, { + .name = "UNSUP", + .val = PCI_ERR_UNC_UNSUP, + .correctable = false, + }, { + .name = "ACSV", + .val = PCI_ERR_UNC_ACSV, + .correctable = false, + }, { + .name = "INTN", + .val = PCI_ERR_UNC_INTN, + .correctable = false, + }, { + .name = "MCBTLP", + .val = PCI_ERR_UNC_MCBTLP, + .correctable = false, + }, { + .name = "ATOP_EBLOCKED", + .val = PCI_ERR_UNC_ATOP_EBLOCKED, + .correctable = false, + }, { + .name = "TLP_PRF_BLOCKED", + .val = PCI_ERR_UNC_TLP_PRF_BLOCKED, + .correctable = false, + }, { + .name = "RCVR", + .val = PCI_ERR_COR_RCVR, + .correctable = true, + }, { + .name = "BAD_TLP", + .val = PCI_ERR_COR_BAD_TLP, + .correctable = true, + }, { + .name = "BAD_DLLP", + .val = PCI_ERR_COR_BAD_DLLP, + .correctable = true, + }, { + .name = "REP_ROLL", + .val = PCI_ERR_COR_REP_ROLL, + .correctable = true, + }, { + .name = "REP_TIMER", + .val = PCI_ERR_COR_REP_TIMER, + .correctable = true, + }, { + .name = "ADV_NONFATAL", + .val = PCI_ERR_COR_ADV_NONFATAL, + .correctable = true, + }, { + .name = "INTERNAL", + .val = PCI_ERR_COR_INTERNAL, + .correctable = true, + }, { + .name = "HL_OVERFLOW", + .val = PCI_ERR_COR_HL_OVERFLOW, + .correctable = true, + }, +}; + +static int pcie_aer_parse_error_string(const char *error_name, + uint32_t *status, bool *correctable) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(pcie_aer_error_list); i++) { + const PCIEAERErrorName *e = &pcie_aer_error_list[i]; + if (strcmp(error_name, e->name)) { + continue; + } + + *status = e->val; + *correctable = e->correctable; + return 0; + } + return -EINVAL; +} + +int do_pcie_aer_inejct_error(Monitor *mon, + const QDict *qdict, QObject **ret_data) +{ + const char *id = qdict_get_str(qdict, "id"); + const char *error_name; + uint32_t error_status; + bool correctable; + PCIDevice *dev; + PCIEAERErr err; + int ret; + + ret = pci_qdev_find_device(id, &dev); + if (ret < 0) { + monitor_printf(mon, + "id or pci device path is invalid or device not " + "found. %s\n", id); + return ret; + } + if (!pci_is_express(dev)) { + monitor_printf(mon, "the device doesn't support pci express. %s\n", + id); + return -ENOSYS; + } + + error_name = qdict_get_str(qdict, "error_status"); + if (pcie_aer_parse_error_string(error_name, &error_status, &correctable)) { + char *e = NULL; + error_status = strtoul(error_name, &e, 0); + correctable = !!qdict_get_int(qdict, "correctable"); + if (!e || *e != '\0') { + monitor_printf(mon, "invalid error status value. \"%s\"", + error_name); + return -EINVAL; + } + } + err.source_id = (pci_bus_num(dev->bus) << 8) | dev->devfn; + + err.flags = 0; + if (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, "header0")) { + err.flags |= PCIE_AER_ERR_HEADER_VALID; + } + if (qdict_haskey(qdict, "prefix0")) { + err.flags |= PCIE_AER_ERR_TLP_PREFIX_PRESENT; + } + + err.header[0] = qdict_get_try_int(qdict, "header0", 0); + err.header[1] = qdict_get_try_int(qdict, "header1", 0); + err.header[2] = qdict_get_try_int(qdict, "header2", 0); + err.header[3] = qdict_get_try_int(qdict, "header3", 0); + + err.prefix[0] = qdict_get_try_int(qdict, "prefix0", 0); + err.prefix[1] = qdict_get_try_int(qdict, "prefix1", 0); + err.prefix[2] = qdict_get_try_int(qdict, "prefix2", 0); + err.prefix[3] = qdict_get_try_int(qdict, "prefix3", 0); + + ret = pcie_aer_inject_error(dev, &err); + *ret_data = qobject_from_jsonf("{'id': %s, " + "'domain': %d, 'bus': %d, 'devfn': %d, " + "'ret': %d}", + id, + pci_find_domain(dev->bus), + pci_bus_num(dev->bus), dev->devfn, + ret); + assert(*ret_data); + + return 0; +} @@ -157,6 +157,11 @@ 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 |