/* * QEMU PowerPC pSeries Logical Partition (aka sPAPR) hardware System Emulator * * RTAS events handling * * Copyright (c) 2012 David Gibson, IBM Corporation. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * */ #include "qemu/osdep.h" #include "cpu.h" #include "sysemu/sysemu.h" #include "sysemu/char.h" #include "hw/qdev.h" #include "sysemu/device_tree.h" #include "hw/ppc/spapr.h" #include "hw/ppc/spapr_vio.h" #include "hw/pci/pci.h" #include "hw/pci-host/spapr.h" #include "hw/ppc/spapr_drc.h" #include struct rtas_error_log { uint32_t summary; #define RTAS_LOG_VERSION_MASK 0xff000000 #define RTAS_LOG_VERSION_6 0x06000000 #define RTAS_LOG_SEVERITY_MASK 0x00e00000 #define RTAS_LOG_SEVERITY_ALREADY_REPORTED 0x00c00000 #define RTAS_LOG_SEVERITY_FATAL 0x00a00000 #define RTAS_LOG_SEVERITY_ERROR 0x00800000 #define RTAS_LOG_SEVERITY_ERROR_SYNC 0x00600000 #define RTAS_LOG_SEVERITY_WARNING 0x00400000 #define RTAS_LOG_SEVERITY_EVENT 0x00200000 #define RTAS_LOG_SEVERITY_NO_ERROR 0x00000000 #define RTAS_LOG_DISPOSITION_MASK 0x00180000 #define RTAS_LOG_DISPOSITION_FULLY_RECOVERED 0x00000000 #define RTAS_LOG_DISPOSITION_LIMITED_RECOVERY 0x00080000 #define RTAS_LOG_DISPOSITION_NOT_RECOVERED 0x00100000 #define RTAS_LOG_OPTIONAL_PART_PRESENT 0x00040000 #define RTAS_LOG_INITIATOR_MASK 0x0000f000 #define RTAS_LOG_INITIATOR_UNKNOWN 0x00000000 #define RTAS_LOG_INITIATOR_CPU 0x00001000 #define RTAS_LOG_INITIATOR_PCI 0x00002000 #define RTAS_LOG_INITIATOR_MEMORY 0x00004000 #define RTAS_LOG_INITIATOR_HOTPLUG 0x00006000 #define RTAS_LOG_TARGET_MASK 0x00000f00 #define RTAS_LOG_TARGET_UNKNOWN 0x00000000 #define RTAS_LOG_TARGET_CPU 0x00000100 #define RTAS_LOG_TARGET_PCI 0x00000200 #define RTAS_LOG_TARGET_MEMORY 0x00000400 #define RTAS_LOG_TARGET_HOTPLUG 0x00000600 #define RTAS_LOG_TYPE_MASK 0x000000ff #define RTAS_LOG_TYPE_OTHER 0x00000000 #define RTAS_LOG_TYPE_RETRY 0x00000001 #define RTAS_LOG_TYPE_TCE_ERR 0x00000002 #define RTAS_LOG_TYPE_INTERN_DEV_FAIL 0x00000003 #define RTAS_LOG_TYPE_TIMEOUT 0x00000004 #define RTAS_LOG_TYPE_DATA_PARITY 0x00000005 #define RTAS_LOG_TYPE_ADDR_PARITY 0x00000006 #define RTAS_LOG_TYPE_CACHE_PARITY 0x00000007 #define RTAS_LOG_TYPE_ADDR_INVALID 0x00000008 #define RTAS_LOG_TYPE_ECC_UNCORR 0x00000009 #define RTAS_LOG_TYPE_ECC_CORR 0x0000000a #define RTAS_LOG_TYPE_EPOW 0x00000040 #define RTAS_LOG_TYPE_HOTPLUG 0x000000e5 uint32_t extended_length; } QEMU_PACKED; struct rtas_event_log_v6 { uint8_t b0; #define RTAS_LOG_V6_B0_VALID 0x80 #define RTAS_LOG_V6_B0_UNRECOVERABLE_ERROR 0x40 #define RTAS_LOG_V6_B0_RECOVERABLE_ERROR 0x20 #define RTAS_LOG_V6_B0_DEGRADED_OPERATION 0x10 #define RTAS_LOG_V6_B0_PREDICTIVE_ERROR 0x08 #define RTAS_LOG_V6_B0_NEW_LOG 0x04 #define RTAS_LOG_V6_B0_BIGENDIAN 0x02 uint8_t _resv1; uint8_t b2; #define RTAS_LOG_V6_B2_POWERPC_FORMAT 0x80 #define RTAS_LOG_V6_B2_LOG_FORMAT_MASK 0x0f #define RTAS_LOG_V6_B2_LOG_FORMAT_PLATFORM_EVENT 0x0e uint8_t _resv2[9]; uint32_t company; #define RTAS_LOG_V6_COMPANY_IBM 0x49424d00 /* IBM */ } QEMU_PACKED; struct rtas_event_log_v6_section_header { uint16_t section_id; uint16_t section_length; uint8_t section_version; uint8_t section_subtype; uint16_t creator_component_id; } QEMU_PACKED; struct rtas_event_log_v6_maina { #define RTAS_LOG_V6_SECTION_ID_MAINA 0x5048 /* PH */ struct rtas_event_log_v6_section_header hdr; uint32_t creation_date; /* BCD: YYYYMMDD */ uint32_t creation_time; /* BCD: HHMMSS00 */ uint8_t _platform1[8]; char creator_id; uint8_t _resv1[2]; uint8_t section_count; uint8_t _resv2[4]; uint8_t _platform2[8]; uint32_t plid; uint8_t _platform3[4]; } QEMU_PACKED; struct rtas_event_log_v6_mainb { #define RTAS_LOG_V6_SECTION_ID_MAINB 0x5548 /* UH */ struct rtas_event_log_v6_section_header hdr; uint8_t subsystem_id; uint8_t _platform1; uint8_t event_severity; uint8_t event_subtype; uint8_t _platform2[4]; uint8_t _resv1[2]; uint16_t action_flags; uint8_t _resv2[4]; } QEMU_PACKED; struct rtas_event_log_v6_epow { #define RTAS_LOG_V6_SECTION_ID_EPOW 0x4550 /* EP */ struct rtas_event_log_v6_section_header hdr; uint8_t sensor_value; #define RTAS_LOG_V6_EPOW_ACTION_RESET 0 #define RTAS_LOG_V6_EPOW_ACTION_WARN_COOLING 1 #define RTAS_LOG_V6_EPOW_ACTION_WARN_POWER 2 #define RTAS_LOG_V6_EPOW_ACTION_SYSTEM_SHUTDOWN 3 #define RTAS_LOG_V6_EPOW_ACTION_SYSTEM_HALT 4 #define RTAS_LOG_V6_EPOW_ACTION_MAIN_ENCLOSURE 5 #define RTAS_LOG_V6_EPOW_ACTION_POWER_OFF 7 uint8_t event_modifier; #define RTAS_LOG_V6_EPOW_MODIFIER_NORMAL 1 #define RTAS_LOG_V6_EPOW_MODIFIER_ON_UPS 2 #define RTAS_LOG_V6_EPOW_MODIFIER_CRITICAL 3 #define RTAS_LOG_V6_EPOW_MODIFIER_TEMPERATURE 4 uint8_t extended_modifier; #define RTAS_LOG_V6_EPOW_XMODIFIER_SYSTEM_WIDE 0 #define RTAS_LOG_V6_EPOW_XMODIFIER_PARTITION_SPECIFIC 1 uint8_t _resv; uint64_t reason_code; } QEMU_PACKED; struct epow_log_full { struct rtas_error_log hdr; struct rtas_event_log_v6 v6hdr; struct rtas_event_log_v6_maina maina; struct rtas_event_log_v6_mainb mainb; struct rtas_event_log_v6_epow epow; } QEMU_PACKED; struct rtas_event_log_v6_hp { #define RTAS_LOG_V6_SECTION_ID_HOTPLUG 0x4850 /* HP */ struct rtas_event_log_v6_section_header hdr; uint8_t hotplug_type; #define RTAS_LOG_V6_HP_TYPE_CPU 1 #define RTAS_LOG_V6_HP_TYPE_MEMORY 2 #define RTAS_LOG_V6_HP_TYPE_SLOT 3 #define RTAS_LOG_V6_HP_TYPE_PHB 4 #define RTAS_LOG_V6_HP_TYPE_PCI 5 uint8_t hotplug_action; #define RTAS_LOG_V6_HP_ACTION_ADD 1 #define RTAS_LOG_V6_HP_ACTION_REMOVE 2 uint8_t hotplug_identifier; #define RTAS_LOG_V6_HP_ID_DRC_NAME 1 #define RTAS_LOG_V6_HP_ID_DRC_INDEX 2 #define RTAS_LOG_V6_HP_ID_DRC_COUNT 3 uint8_t reserved; union { uint32_t index; uint32_t count; char name[1]; } drc; } QEMU_PACKED; struct hp_log_full { struct rtas_error_log hdr; struct rtas_event_log_v6 v6hdr; struct rtas_event_log_v6_maina maina; struct rtas_event_log_v6_mainb mainb; struct rtas_event_log_v6_hp hp; } QEMU_PACKED; #define EVENT_MASK_INTERNAL_ERRORS 0x80000000 #define EVENT_MASK_EPOW 0x40000000 #define EVENT_MASK_HOTPLUG 0x10000000 #define EVENT_MASK_IO 0x08000000 #define _FDT(exp) \ do { \ int ret = (exp); \ if (ret < 0) { \ fprintf(stderr, "qemu: error creating device tree: %s: %s\n", \ #exp, fdt_strerror(ret)); \ exit(1); \ } \ } while (0) void spapr_events_fdt_skel(void *fdt, uint32_t check_exception_irq) { uint32_t irq_ranges[] = {cpu_to_be32(check_exception_irq), cpu_to_be32(1)}; uint32_t interrupts[] = {cpu_to_be32(check_exception_irq), 0}; _FDT((fdt_begin_node(fdt, "event-sources"))); _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); _FDT((fdt_property_cell(fdt, "#interrupt-cells", 2))); _FDT((fdt_property(fdt, "interrupt-ranges", irq_ranges, sizeof(irq_ranges)))); _FDT((fdt_begin_node(fdt, "epow-events"))); _FDT((fdt_property(fdt, "interrupts", interrupts, sizeof(interrupts)))); _FDT((fdt_end_node(fdt))); _FDT((fdt_end_node(fdt))); } static void rtas_event_log_queue(int log_type, void *data, bool exception) { sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); sPAPREventLogEntry *entry = g_new(sPAPREventLogEntry, 1); g_assert(data); entry->log_type = log_type; entry->exception = exception; entry->data = data; QTAILQ_INSERT_TAIL(&spapr->pending_events, entry, next); } static sPAPREventLogEntry *rtas_event_log_dequeue(uint32_t event_mask, bool exception) { sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); sPAPREventLogEntry *entry = NULL; /* we only queue EPOW events atm. */ if ((event_mask & EVENT_MASK_EPOW) == 0) { return NULL; } QTAILQ_FOREACH(entry, &spapr->pending_events, next) { if (entry->exception != exception) { continue; } /* EPOW and hotplug events are surfaced in the same manner */ if (entry->log_type == RTAS_LOG_TYPE_EPOW || entry->log_type == RTAS_LOG_TYPE_HOTPLUG) { break; } } if (entry) { QTAILQ_REMOVE(&spapr->pending_events, entry, next); } return entry; } static bool rtas_event_log_contains(uint32_t event_mask, bool exception) { sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); sPAPREventLogEntry *entry = NULL; /* we only queue EPOW events atm. */ if ((event_mask & EVENT_MASK_EPOW) == 0) { return false; } QTAILQ_FOREACH(entry, &spapr->pending_events, next) { if (entry->exception != exception) { continue; } /* EPOW and hotplug events are surfaced in the same manner */ if (entry->log_type == RTAS_LOG_TYPE_EPOW || entry->log_type == RTAS_LOG_TYPE_HOTPLUG) { return true; } } return false; } static uint32_t next_plid; static void spapr_init_v6hdr(struct rtas_event_log_v6 *v6hdr) { v6hdr->b0 = RTAS_LOG_V6_B0_VALID | RTAS_LOG_V6_B0_NEW_LOG | RTAS_LOG_V6_B0_BIGENDIAN; v6hdr->b2 = RTAS_LOG_V6_B2_POWERPC_FORMAT | RTAS_LOG_V6_B2_LOG_FORMAT_PLATFORM_EVENT; v6hdr->company = cpu_to_be32(RTAS_LOG_V6_COMPANY_IBM); } static void spapr_init_maina(struct rtas_event_log_v6_maina *maina, int section_count) { sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); struct tm tm; int year; maina->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_MAINA); maina->hdr.section_length = cpu_to_be16(sizeof(*maina)); /* FIXME: section version, subtype and creator id? */ spapr_rtc_read(spapr->rtc, &tm, NULL); year = tm.tm_year + 1900; maina->creation_date = cpu_to_be32((to_bcd(year / 100) << 24) | (to_bcd(year % 100) << 16) | (to_bcd(tm.tm_mon + 1) << 8) | to_bcd(tm.tm_mday)); maina->creation_time = cpu_to_be32((to_bcd(tm.tm_hour) << 24) | (to_bcd(tm.tm_min) << 16) | (to_bcd(tm.tm_sec) << 8)); maina->creator_id = 'H'; /* Hypervisor */ maina->section_count = section_count; maina->plid = next_plid++; } static void spapr_powerdown_req(Notifier *n, void *opaque) { sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); struct rtas_error_log *hdr; struct rtas_event_log_v6 *v6hdr; struct rtas_event_log_v6_maina *maina; struct rtas_event_log_v6_mainb *mainb; struct rtas_event_log_v6_epow *epow; struct epow_log_full *new_epow; new_epow = g_malloc0(sizeof(*new_epow)); hdr = &new_epow->hdr; v6hdr = &new_epow->v6hdr; maina = &new_epow->maina; mainb = &new_epow->mainb; epow = &new_epow->epow; hdr->summary = cpu_to_be32(RTAS_LOG_VERSION_6 | RTAS_LOG_SEVERITY_EVENT | RTAS_LOG_DISPOSITION_NOT_RECOVERED | RTAS_LOG_OPTIONAL_PART_PRESENT | RTAS_LOG_TYPE_EPOW); hdr->extended_length = cpu_to_be32(sizeof(*new_epow) - sizeof(new_epow->hdr)); spapr_init_v6hdr(v6hdr); spapr_init_maina(maina, 3 /* Main-A, Main-B and EPOW */); mainb->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_MAINB); mainb->hdr.section_length = cpu_to_be16(sizeof(*mainb)); /* FIXME: section version, subtype and creator id? */ mainb->subsystem_id = 0xa0; /* External environment */ mainb->event_severity = 0x00; /* Informational / non-error */ mainb->event_subtype = 0xd0; /* Normal shutdown */ epow->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_EPOW); epow->hdr.section_length = cpu_to_be16(sizeof(*epow)); epow->hdr.section_version = 2; /* includes extended modifier */ /* FIXME: section subtype and creator id? */ epow->sensor_value = RTAS_LOG_V6_EPOW_ACTION_SYSTEM_SHUTDOWN; epow->event_modifier = RTAS_LOG_V6_EPOW_MODIFIER_NORMAL; epow->extended_modifier = RTAS_LOG_V6_EPOW_XMODIFIER_PARTITION_SPECIFIC; rtas_event_log_queue(RTAS_LOG_TYPE_EPOW, new_epow, true); qemu_irq_pulse(xics_get_qirq(spapr->icp, spapr->check_exception_irq)); } static void spapr_hotplug_req_event(uint8_t hp_id, uint8_t hp_action, sPAPRDRConnectorType drc_type, uint32_t drc) { sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); struct hp_log_full *new_hp; struct rtas_error_log *hdr; struct rtas_event_log_v6 *v6hdr; struct rtas_event_log_v6_maina *maina; struct rtas_event_log_v6_mainb *mainb; struct rtas_event_log_v6_hp *hp; new_hp = g_malloc0(sizeof(struct hp_log_full)); hdr = &new_hp->hdr; v6hdr = &new_hp->v6hdr; maina = &new_hp->maina; mainb = &new_hp->mainb; hp = &new_hp->hp; hdr->summary = cpu_to_be32(RTAS_LOG_VERSION_6 | RTAS_LOG_SEVERITY_EVENT | RTAS_LOG_DISPOSITION_NOT_RECOVERED | RTAS_LOG_OPTIONAL_PART_PRESENT | RTAS_LOG_INITIATOR_HOTPLUG | RTAS_LOG_TYPE_HOTPLUG); hdr->extended_length = cpu_to_be32(sizeof(*new_hp) - sizeof(new_hp->hdr)); spapr_init_v6hdr(v6hdr); spapr_init_maina(maina, 3 /* Main-A, Main-B, HP */); mainb->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_MAINB); mainb->hdr.section_length = cpu_to_be16(sizeof(*mainb)); mainb->subsystem_id = 0x80; /* External environment */ mainb->event_severity = 0x00; /* Informational / non-error */ mainb->event_subtype = 0x00; /* Normal shutdown */ hp->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_HOTPLUG); hp->hdr.section_length = cpu_to_be16(sizeof(*hp)); hp->hdr.section_version = 1; /* includes extended modifier */ hp->hotplug_action = hp_action; hp->hotplug_identifier = hp_id; switch (drc_type) { case SPAPR_DR_CONNECTOR_TYPE_PCI: hp->hotplug_type = RTAS_LOG_V6_HP_TYPE_PCI; break; case SPAPR_DR_CONNECTOR_TYPE_LMB: hp->hotplug_type = RTAS_LOG_V6_HP_TYPE_MEMORY; break; default: /* we shouldn't be signaling hotplug events for resources * that don't support them */ g_assert(false); return; } if (hp_id == RTAS_LOG_V6_HP_ID_DRC_COUNT) { hp->drc.count = cpu_to_be32(drc); } else if (hp_id == RTAS_LOG_V6_HP_ID_DRC_INDEX) { hp->drc.index = cpu_to_be32(drc); } rtas_event_log_queue(RTAS_LOG_TYPE_HOTPLUG, new_hp, true); qemu_irq_pulse(xics_get_qirq(spapr->icp, spapr->check_exception_irq)); } void spapr_hotplug_req_add_by_index(sPAPRDRConnector *drc) { sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); sPAPRDRConnectorType drc_type = drck->get_type(drc); uint32_t index = drck->get_index(drc); spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_INDEX, RTAS_LOG_V6_HP_ACTION_ADD, drc_type, index); } void spapr_hotplug_req_remove_by_index(sPAPRDRConnector *drc) { sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); sPAPRDRConnectorType drc_type = drck->get_type(drc); uint32_t index = drck->get_index(drc); spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_INDEX, RTAS_LOG_V6_HP_ACTION_REMOVE, drc_type, index); } void spapr_hotplug_req_add_by_count(sPAPRDRConnectorType drc_type, uint32_t count) { spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_COUNT, RTAS_LOG_V6_HP_ACTION_ADD, drc_type, count); } void spapr_hotplug_req_remove_by_count(sPAPRDRConnectorType drc_type, uint32_t count) { spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_COUNT, RTAS_LOG_V6_HP_ACTION_REMOVE, drc_type, count); } static void check_exception(PowerPCCPU *cpu, sPAPRMachineState *spapr, uint32_t token, uint32_t nargs, target_ulong args, uint32_t nret, target_ulong rets) { uint32_t mask, buf, len, event_len; uint64_t xinfo; sPAPREventLogEntry *event; struct rtas_error_log *hdr; if ((nargs < 6) || (nargs > 7) || nret != 1) { rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); return; } xinfo = rtas_ld(args, 1); mask = rtas_ld(args, 2); buf = rtas_ld(args, 4); len = rtas_ld(args, 5); if (nargs == 7) { xinfo |= (uint64_t)rtas_ld(args, 6) << 32; } event = rtas_event_log_dequeue(mask, true); if (!event) { goto out_no_events; } hdr = event->data; event_len = be32_to_cpu(hdr->extended_length) + sizeof(*hdr); if (event_len < len) { len = event_len; } cpu_physical_memory_write(buf, event->data, len); rtas_st(rets, 0, RTAS_OUT_SUCCESS); g_free(event->data); g_free(event); /* according to PAPR+, the IRQ must be left asserted, or re-asserted, if * there are still pending events to be fetched via check-exception. We * do the latter here, since our code relies on edge-triggered * interrupts. */ if (rtas_event_log_contains(mask, true)) { qemu_irq_pulse(xics_get_qirq(spapr->icp, spapr->check_exception_irq)); } return; out_no_events: rtas_st(rets, 0, RTAS_OUT_NO_ERRORS_FOUND); } static void event_scan(PowerPCCPU *cpu, sPAPRMachineState *spapr, uint32_t token, uint32_t nargs, target_ulong args, uint32_t nret, target_ulong rets) { uint32_t mask, buf, len, event_len; sPAPREventLogEntry *event; struct rtas_error_log *hdr; if (nargs != 4 || nret != 1) { rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); return; } mask = rtas_ld(args, 0); buf = rtas_ld(args, 2); len = rtas_ld(args, 3); event = rtas_event_log_dequeue(mask, false); if (!event) { goto out_no_events; } hdr = event->data; event_len = be32_to_cpu(hdr->extended_length) + sizeof(*hdr); if (event_len < len) { len = event_len; } cpu_physical_memory_write(buf, event->data, len); rtas_st(rets, 0, RTAS_OUT_SUCCESS); g_free(event->data); g_free(event); return; out_no_events: rtas_st(rets, 0, RTAS_OUT_NO_ERRORS_FOUND); } void spapr_events_init(sPAPRMachineState *spapr) { QTAILQ_INIT(&spapr->pending_events); spapr->check_exception_irq = xics_alloc(spapr->icp, 0, 0, false, &error_fatal); spapr->epow_notifier.notify = spapr_powerdown_req; qemu_register_powerdown_notifier(&spapr->epow_notifier); spapr_rtas_register(RTAS_CHECK_EXCEPTION, "check-exception", check_exception); spapr_rtas_register(RTAS_EVENT_SCAN, "event-scan", event_scan); }