| /* |
| * QEMU monitor |
| * |
| * Copyright (c) 2003-2004 Fabrice Bellard |
| * |
| * 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 "monitor-internal.h" |
| #include "cpu.h" |
| #include "monitor/qdev.h" |
| #include "hw/usb.h" |
| #include "hw/pci/pci.h" |
| #include "sysemu/watchdog.h" |
| #include "hw/loader.h" |
| #include "exec/gdbstub.h" |
| #include "net/net.h" |
| #include "net/slirp.h" |
| #include "chardev/char-mux.h" |
| #include "ui/qemu-spice.h" |
| #include "qemu/config-file.h" |
| #include "qemu/ctype.h" |
| #include "ui/console.h" |
| #include "ui/input.h" |
| #include "audio/audio.h" |
| #include "disas/disas.h" |
| #include "sysemu/balloon.h" |
| #include "qemu/timer.h" |
| #include "sysemu/hw_accel.h" |
| #include "sysemu/runstate.h" |
| #include "authz/list.h" |
| #include "qapi/util.h" |
| #include "sysemu/blockdev.h" |
| #include "sysemu/sysemu.h" |
| #include "sysemu/tcg.h" |
| #include "sysemu/tpm.h" |
| #include "qapi/qmp/qdict.h" |
| #include "qapi/qmp/qerror.h" |
| #include "qapi/qmp/qstring.h" |
| #include "qom/object_interfaces.h" |
| #include "trace/control.h" |
| #include "monitor/hmp-target.h" |
| #include "monitor/hmp.h" |
| #ifdef CONFIG_TRACE_SIMPLE |
| #include "trace/simple.h" |
| #endif |
| #include "exec/memory.h" |
| #include "exec/exec-all.h" |
| #include "qemu/option.h" |
| #include "qemu/thread.h" |
| #include "block/qapi.h" |
| #include "block/block-hmp-cmds.h" |
| #include "qapi/qapi-commands-char.h" |
| #include "qapi/qapi-commands-control.h" |
| #include "qapi/qapi-commands-migration.h" |
| #include "qapi/qapi-commands-misc.h" |
| #include "qapi/qapi-commands-qom.h" |
| #include "qapi/qapi-commands-trace.h" |
| #include "qapi/qapi-init-commands.h" |
| #include "qapi/error.h" |
| #include "qapi/qmp-event.h" |
| #include "sysemu/cpus.h" |
| #include "qemu/cutils.h" |
| #include "tcg/tcg.h" |
| |
| #if defined(TARGET_S390X) |
| #include "hw/s390x/storage-keys.h" |
| #include "hw/s390x/storage-attributes.h" |
| #endif |
| |
| /* file descriptors passed via SCM_RIGHTS */ |
| typedef struct mon_fd_t mon_fd_t; |
| struct mon_fd_t { |
| char *name; |
| int fd; |
| QLIST_ENTRY(mon_fd_t) next; |
| }; |
| |
| /* file descriptor associated with a file descriptor set */ |
| typedef struct MonFdsetFd MonFdsetFd; |
| struct MonFdsetFd { |
| int fd; |
| bool removed; |
| char *opaque; |
| QLIST_ENTRY(MonFdsetFd) next; |
| }; |
| |
| /* file descriptor set containing fds passed via SCM_RIGHTS */ |
| typedef struct MonFdset MonFdset; |
| struct MonFdset { |
| int64_t id; |
| QLIST_HEAD(, MonFdsetFd) fds; |
| QLIST_HEAD(, MonFdsetFd) dup_fds; |
| QLIST_ENTRY(MonFdset) next; |
| }; |
| |
| /* Protects mon_fdsets */ |
| static QemuMutex mon_fdsets_lock; |
| static QLIST_HEAD(, MonFdset) mon_fdsets; |
| |
| static HMPCommand hmp_info_cmds[]; |
| |
| char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index, |
| int64_t cpu_index, Error **errp) |
| { |
| char *output = NULL; |
| Monitor *old_mon; |
| MonitorHMP hmp = {}; |
| |
| monitor_data_init(&hmp.common, false, true, false); |
| |
| old_mon = cur_mon; |
| cur_mon = &hmp.common; |
| |
| if (has_cpu_index) { |
| int ret = monitor_set_cpu(cpu_index); |
| if (ret < 0) { |
| cur_mon = old_mon; |
| error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index", |
| "a CPU number"); |
| goto out; |
| } |
| } |
| |
| handle_hmp_command(&hmp, command_line); |
| cur_mon = old_mon; |
| |
| qemu_mutex_lock(&hmp.common.mon_lock); |
| if (qstring_get_length(hmp.common.outbuf) > 0) { |
| output = g_strdup(qstring_get_str(hmp.common.outbuf)); |
| } else { |
| output = g_strdup(""); |
| } |
| qemu_mutex_unlock(&hmp.common.mon_lock); |
| |
| out: |
| monitor_data_destroy(&hmp.common); |
| return output; |
| } |
| |
| /** |
| * Is @name in the '|' separated list of names @list? |
| */ |
| int hmp_compare_cmd(const char *name, const char *list) |
| { |
| const char *p, *pstart; |
| int len; |
| len = strlen(name); |
| p = list; |
| for (;;) { |
| pstart = p; |
| p = qemu_strchrnul(p, '|'); |
| if ((p - pstart) == len && !memcmp(pstart, name, len)) { |
| return 1; |
| } |
| if (*p == '\0') { |
| break; |
| } |
| p++; |
| } |
| return 0; |
| } |
| |
| static void do_help_cmd(Monitor *mon, const QDict *qdict) |
| { |
| help_cmd(mon, qdict_get_try_str(qdict, "name")); |
| } |
| |
| static void hmp_trace_event(Monitor *mon, const QDict *qdict) |
| { |
| const char *tp_name = qdict_get_str(qdict, "name"); |
| bool new_state = qdict_get_bool(qdict, "option"); |
| bool has_vcpu = qdict_haskey(qdict, "vcpu"); |
| int vcpu = qdict_get_try_int(qdict, "vcpu", 0); |
| Error *local_err = NULL; |
| |
| if (vcpu < 0) { |
| monitor_printf(mon, "argument vcpu must be positive"); |
| return; |
| } |
| |
| qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err); |
| if (local_err) { |
| error_report_err(local_err); |
| } |
| } |
| |
| #ifdef CONFIG_TRACE_SIMPLE |
| static void hmp_trace_file(Monitor *mon, const QDict *qdict) |
| { |
| const char *op = qdict_get_try_str(qdict, "op"); |
| const char *arg = qdict_get_try_str(qdict, "arg"); |
| |
| if (!op) { |
| st_print_trace_file_status(); |
| } else if (!strcmp(op, "on")) { |
| st_set_trace_file_enabled(true); |
| } else if (!strcmp(op, "off")) { |
| st_set_trace_file_enabled(false); |
| } else if (!strcmp(op, "flush")) { |
| st_flush_trace_buffer(); |
| } else if (!strcmp(op, "set")) { |
| if (arg) { |
| st_set_trace_file(arg); |
| } |
| } else { |
| monitor_printf(mon, "unexpected argument \"%s\"\n", op); |
| help_cmd(mon, "trace-file"); |
| } |
| } |
| #endif |
| |
| static void hmp_info_help(Monitor *mon, const QDict *qdict) |
| { |
| help_cmd(mon, "info"); |
| } |
| |
| static void monitor_init_qmp_commands(void) |
| { |
| /* |
| * Two command lists: |
| * - qmp_commands contains all QMP commands |
| * - qmp_cap_negotiation_commands contains just |
| * "qmp_capabilities", to enforce capability negotiation |
| */ |
| |
| qmp_init_marshal(&qmp_commands); |
| |
| qmp_register_command(&qmp_commands, "query-qmp-schema", |
| qmp_query_qmp_schema, QCO_ALLOW_PRECONFIG); |
| qmp_register_command(&qmp_commands, "device_add", qmp_device_add, |
| QCO_NO_OPTIONS); |
| qmp_register_command(&qmp_commands, "object-add", qmp_object_add, |
| QCO_NO_OPTIONS); |
| |
| QTAILQ_INIT(&qmp_cap_negotiation_commands); |
| qmp_register_command(&qmp_cap_negotiation_commands, "qmp_capabilities", |
| qmp_marshal_qmp_capabilities, QCO_ALLOW_PRECONFIG); |
| } |
| |
| /* Set the current CPU defined by the user. Callers must hold BQL. */ |
| int monitor_set_cpu(int cpu_index) |
| { |
| CPUState *cpu; |
| |
| cpu = qemu_get_cpu(cpu_index); |
| if (cpu == NULL) { |
| return -1; |
| } |
| g_free(cur_mon->mon_cpu_path); |
| cur_mon->mon_cpu_path = object_get_canonical_path(OBJECT(cpu)); |
| return 0; |
| } |
| |
| /* Callers must hold BQL. */ |
| static CPUState *mon_get_cpu_sync(bool synchronize) |
| { |
| CPUState *cpu = NULL; |
| |
| if (cur_mon->mon_cpu_path) { |
| cpu = (CPUState *) object_resolve_path_type(cur_mon->mon_cpu_path, |
| TYPE_CPU, NULL); |
| if (!cpu) { |
| g_free(cur_mon->mon_cpu_path); |
| cur_mon->mon_cpu_path = NULL; |
| } |
| } |
| if (!cur_mon->mon_cpu_path) { |
| if (!first_cpu) { |
| return NULL; |
| } |
| monitor_set_cpu(first_cpu->cpu_index); |
| cpu = first_cpu; |
| } |
| assert(cpu != NULL); |
| if (synchronize) { |
| cpu_synchronize_state(cpu); |
| } |
| return cpu; |
| } |
| |
| CPUState *mon_get_cpu(void) |
| { |
| return mon_get_cpu_sync(true); |
| } |
| |
| CPUArchState *mon_get_cpu_env(void) |
| { |
| CPUState *cs = mon_get_cpu(); |
| |
| return cs ? cs->env_ptr : NULL; |
| } |
| |
| int monitor_get_cpu_index(void) |
| { |
| CPUState *cs = mon_get_cpu_sync(false); |
| |
| return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX; |
| } |
| |
| static void hmp_info_registers(Monitor *mon, const QDict *qdict) |
| { |
| bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false); |
| CPUState *cs; |
| |
| if (all_cpus) { |
| CPU_FOREACH(cs) { |
| monitor_printf(mon, "\nCPU#%d\n", cs->cpu_index); |
| cpu_dump_state(cs, NULL, CPU_DUMP_FPU); |
| } |
| } else { |
| cs = mon_get_cpu(); |
| |
| if (!cs) { |
| monitor_printf(mon, "No CPU available\n"); |
| return; |
| } |
| |
| cpu_dump_state(cs, NULL, CPU_DUMP_FPU); |
| } |
| } |
| |
| #ifdef CONFIG_TCG |
| static void hmp_info_jit(Monitor *mon, const QDict *qdict) |
| { |
| if (!tcg_enabled()) { |
| error_report("JIT information is only available with accel=tcg"); |
| return; |
| } |
| |
| dump_exec_info(); |
| dump_drift_info(); |
| } |
| |
| static void hmp_info_opcount(Monitor *mon, const QDict *qdict) |
| { |
| dump_opcount_info(); |
| } |
| #endif |
| |
| static void hmp_info_sync_profile(Monitor *mon, const QDict *qdict) |
| { |
| int64_t max = qdict_get_try_int(qdict, "max", 10); |
| bool mean = qdict_get_try_bool(qdict, "mean", false); |
| bool coalesce = !qdict_get_try_bool(qdict, "no_coalesce", false); |
| enum QSPSortBy sort_by; |
| |
| sort_by = mean ? QSP_SORT_BY_AVG_WAIT_TIME : QSP_SORT_BY_TOTAL_WAIT_TIME; |
| qsp_report(max, sort_by, coalesce); |
| } |
| |
| static void hmp_info_history(Monitor *mon, const QDict *qdict) |
| { |
| MonitorHMP *hmp_mon = container_of(mon, MonitorHMP, common); |
| int i; |
| const char *str; |
| |
| if (!hmp_mon->rs) { |
| return; |
| } |
| i = 0; |
| for(;;) { |
| str = readline_get_history(hmp_mon->rs, i); |
| if (!str) { |
| break; |
| } |
| monitor_printf(mon, "%d: '%s'\n", i, str); |
| i++; |
| } |
| } |
| |
| static void hmp_info_cpustats(Monitor *mon, const QDict *qdict) |
| { |
| CPUState *cs = mon_get_cpu(); |
| |
| if (!cs) { |
| monitor_printf(mon, "No CPU available\n"); |
| return; |
| } |
| cpu_dump_statistics(cs, 0); |
| } |
| |
| static void hmp_info_trace_events(Monitor *mon, const QDict *qdict) |
| { |
| const char *name = qdict_get_try_str(qdict, "name"); |
| bool has_vcpu = qdict_haskey(qdict, "vcpu"); |
| int vcpu = qdict_get_try_int(qdict, "vcpu", 0); |
| TraceEventInfoList *events; |
| TraceEventInfoList *elem; |
| Error *local_err = NULL; |
| |
| if (name == NULL) { |
| name = "*"; |
| } |
| if (vcpu < 0) { |
| monitor_printf(mon, "argument vcpu must be positive"); |
| return; |
| } |
| |
| events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err); |
| if (local_err) { |
| error_report_err(local_err); |
| return; |
| } |
| |
| for (elem = events; elem != NULL; elem = elem->next) { |
| monitor_printf(mon, "%s : state %u\n", |
| elem->value->name, |
| elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0); |
| } |
| qapi_free_TraceEventInfoList(events); |
| } |
| |
| void qmp_client_migrate_info(const char *protocol, const char *hostname, |
| bool has_port, int64_t port, |
| bool has_tls_port, int64_t tls_port, |
| bool has_cert_subject, const char *cert_subject, |
| Error **errp) |
| { |
| if (strcmp(protocol, "spice") == 0) { |
| if (!qemu_using_spice(errp)) { |
| return; |
| } |
| |
| if (!has_port && !has_tls_port) { |
| error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port"); |
| return; |
| } |
| |
| if (qemu_spice_migrate_info(hostname, |
| has_port ? port : -1, |
| has_tls_port ? tls_port : -1, |
| cert_subject)) { |
| error_setg(errp, QERR_UNDEFINED_ERROR); |
| return; |
| } |
| return; |
| } |
| |
| error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice"); |
| } |
| |
| static void hmp_logfile(Monitor *mon, const QDict *qdict) |
| { |
| Error *err = NULL; |
| |
| qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err); |
| if (err) { |
| error_report_err(err); |
| } |
| } |
| |
| static void hmp_log(Monitor *mon, const QDict *qdict) |
| { |
| int mask; |
| const char *items = qdict_get_str(qdict, "items"); |
| |
| if (!strcmp(items, "none")) { |
| mask = 0; |
| } else { |
| mask = qemu_str_to_log_mask(items); |
| if (!mask) { |
| help_cmd(mon, "log"); |
| return; |
| } |
| } |
| qemu_set_log(mask); |
| } |
| |
| static void hmp_singlestep(Monitor *mon, const QDict *qdict) |
| { |
| const char *option = qdict_get_try_str(qdict, "option"); |
| if (!option || !strcmp(option, "on")) { |
| singlestep = 1; |
| } else if (!strcmp(option, "off")) { |
| singlestep = 0; |
| } else { |
| monitor_printf(mon, "unexpected option %s\n", option); |
| } |
| } |
| |
| static void hmp_gdbserver(Monitor *mon, const QDict *qdict) |
| { |
| const char *device = qdict_get_try_str(qdict, "device"); |
| if (!device) |
| device = "tcp::" DEFAULT_GDBSTUB_PORT; |
| if (gdbserver_start(device) < 0) { |
| monitor_printf(mon, "Could not open gdbserver on device '%s'\n", |
| device); |
| } else if (strcmp(device, "none") == 0) { |
| monitor_printf(mon, "Disabled gdbserver\n"); |
| } else { |
| monitor_printf(mon, "Waiting for gdb connection on device '%s'\n", |
| device); |
| } |
| } |
| |
| static void hmp_watchdog_action(Monitor *mon, const QDict *qdict) |
| { |
| const char *action = qdict_get_str(qdict, "action"); |
| if (select_watchdog_action(action) == -1) { |
| monitor_printf(mon, "Unknown watchdog action '%s'\n", action); |
| } |
| } |
| |
| static void monitor_printc(Monitor *mon, int c) |
| { |
| monitor_printf(mon, "'"); |
| switch(c) { |
| case '\'': |
| monitor_printf(mon, "\\'"); |
| break; |
| case '\\': |
| monitor_printf(mon, "\\\\"); |
| break; |
| case '\n': |
| monitor_printf(mon, "\\n"); |
| break; |
| case '\r': |
| monitor_printf(mon, "\\r"); |
| break; |
| default: |
| if (c >= 32 && c <= 126) { |
| monitor_printf(mon, "%c", c); |
| } else { |
| monitor_printf(mon, "\\x%02x", c); |
| } |
| break; |
| } |
| monitor_printf(mon, "'"); |
| } |
| |
| static void memory_dump(Monitor *mon, int count, int format, int wsize, |
| hwaddr addr, int is_physical) |
| { |
| int l, line_size, i, max_digits, len; |
| uint8_t buf[16]; |
| uint64_t v; |
| CPUState *cs = mon_get_cpu(); |
| |
| if (!cs && (format == 'i' || !is_physical)) { |
| monitor_printf(mon, "Can not dump without CPU\n"); |
| return; |
| } |
| |
| if (format == 'i') { |
| monitor_disas(mon, cs, addr, count, is_physical); |
| return; |
| } |
| |
| len = wsize * count; |
| if (wsize == 1) |
| line_size = 8; |
| else |
| line_size = 16; |
| max_digits = 0; |
| |
| switch(format) { |
| case 'o': |
| max_digits = DIV_ROUND_UP(wsize * 8, 3); |
| break; |
| default: |
| case 'x': |
| max_digits = (wsize * 8) / 4; |
| break; |
| case 'u': |
| case 'd': |
| max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33); |
| break; |
| case 'c': |
| wsize = 1; |
| break; |
| } |
| |
| while (len > 0) { |
| if (is_physical) |
| monitor_printf(mon, TARGET_FMT_plx ":", addr); |
| else |
| monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr); |
| l = len; |
| if (l > line_size) |
| l = line_size; |
| if (is_physical) { |
| AddressSpace *as = cs ? cs->as : &address_space_memory; |
| MemTxResult r = address_space_read(as, addr, |
| MEMTXATTRS_UNSPECIFIED, buf, l); |
| if (r != MEMTX_OK) { |
| monitor_printf(mon, " Cannot access memory\n"); |
| break; |
| } |
| } else { |
| if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) { |
| monitor_printf(mon, " Cannot access memory\n"); |
| break; |
| } |
| } |
| i = 0; |
| while (i < l) { |
| switch(wsize) { |
| default: |
| case 1: |
| v = ldub_p(buf + i); |
| break; |
| case 2: |
| v = lduw_p(buf + i); |
| break; |
| case 4: |
| v = (uint32_t)ldl_p(buf + i); |
| break; |
| case 8: |
| v = ldq_p(buf + i); |
| break; |
| } |
| monitor_printf(mon, " "); |
| switch(format) { |
| case 'o': |
| monitor_printf(mon, "%#*" PRIo64, max_digits, v); |
| break; |
| case 'x': |
| monitor_printf(mon, "0x%0*" PRIx64, max_digits, v); |
| break; |
| case 'u': |
| monitor_printf(mon, "%*" PRIu64, max_digits, v); |
| break; |
| case 'd': |
| monitor_printf(mon, "%*" PRId64, max_digits, v); |
| break; |
| case 'c': |
| monitor_printc(mon, v); |
| break; |
| } |
| i += wsize; |
| } |
| monitor_printf(mon, "\n"); |
| addr += l; |
| len -= l; |
| } |
| } |
| |
| static void hmp_memory_dump(Monitor *mon, const QDict *qdict) |
| { |
| int count = qdict_get_int(qdict, "count"); |
| int format = qdict_get_int(qdict, "format"); |
| int size = qdict_get_int(qdict, "size"); |
| target_long addr = qdict_get_int(qdict, "addr"); |
| |
| memory_dump(mon, count, format, size, addr, 0); |
| } |
| |
| static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict) |
| { |
| int count = qdict_get_int(qdict, "count"); |
| int format = qdict_get_int(qdict, "format"); |
| int size = qdict_get_int(qdict, "size"); |
| hwaddr addr = qdict_get_int(qdict, "addr"); |
| |
| memory_dump(mon, count, format, size, addr, 1); |
| } |
| |
| static void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, Error **errp) |
| { |
| MemoryRegionSection mrs = memory_region_find(get_system_memory(), |
| addr, 1); |
| |
| if (!mrs.mr) { |
| error_setg(errp, "No memory is mapped at address 0x%" HWADDR_PRIx, addr); |
| return NULL; |
| } |
| |
| if (!memory_region_is_ram(mrs.mr) && !memory_region_is_romd(mrs.mr)) { |
| error_setg(errp, "Memory at address 0x%" HWADDR_PRIx "is not RAM", addr); |
| memory_region_unref(mrs.mr); |
| return NULL; |
| } |
| |
| *p_mr = mrs.mr; |
| return qemu_map_ram_ptr(mrs.mr->ram_block, mrs.offset_within_region); |
| } |
| |
| static void hmp_gpa2hva(Monitor *mon, const QDict *qdict) |
| { |
| hwaddr addr = qdict_get_int(qdict, "addr"); |
| Error *local_err = NULL; |
| MemoryRegion *mr = NULL; |
| void *ptr; |
| |
| ptr = gpa2hva(&mr, addr, &local_err); |
| if (local_err) { |
| error_report_err(local_err); |
| return; |
| } |
| |
| monitor_printf(mon, "Host virtual address for 0x%" HWADDR_PRIx |
| " (%s) is %p\n", |
| addr, mr->name, ptr); |
| |
| memory_region_unref(mr); |
| } |
| |
| static void hmp_gva2gpa(Monitor *mon, const QDict *qdict) |
| { |
| target_ulong addr = qdict_get_int(qdict, "addr"); |
| MemTxAttrs attrs; |
| CPUState *cs = mon_get_cpu(); |
| hwaddr gpa; |
| |
| if (!cs) { |
| monitor_printf(mon, "No cpu\n"); |
| return; |
| } |
| |
| gpa = cpu_get_phys_page_attrs_debug(cs, addr & TARGET_PAGE_MASK, &attrs); |
| if (gpa == -1) { |
| monitor_printf(mon, "Unmapped\n"); |
| } else { |
| monitor_printf(mon, "gpa: %#" HWADDR_PRIx "\n", |
| gpa + (addr & ~TARGET_PAGE_MASK)); |
| } |
| } |
| |
| #ifdef CONFIG_LINUX |
| static uint64_t vtop(void *ptr, Error **errp) |
| { |
| uint64_t pinfo; |
| uint64_t ret = -1; |
| uintptr_t addr = (uintptr_t) ptr; |
| uintptr_t pagesize = qemu_real_host_page_size; |
| off_t offset = addr / pagesize * sizeof(pinfo); |
| int fd; |
| |
| fd = open("/proc/self/pagemap", O_RDONLY); |
| if (fd == -1) { |
| error_setg_errno(errp, errno, "Cannot open /proc/self/pagemap"); |
| return -1; |
| } |
| |
| /* Force copy-on-write if necessary. */ |
| atomic_add((uint8_t *)ptr, 0); |
| |
| if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) { |
| error_setg_errno(errp, errno, "Cannot read pagemap"); |
| goto out; |
| } |
| if ((pinfo & (1ull << 63)) == 0) { |
| error_setg(errp, "Page not present"); |
| goto out; |
| } |
| ret = ((pinfo & 0x007fffffffffffffull) * pagesize) | (addr & (pagesize - 1)); |
| |
| out: |
| close(fd); |
| return ret; |
| } |
| |
| static void hmp_gpa2hpa(Monitor *mon, const QDict *qdict) |
| { |
| hwaddr addr = qdict_get_int(qdict, "addr"); |
| Error *local_err = NULL; |
| MemoryRegion *mr = NULL; |
| void *ptr; |
| uint64_t physaddr; |
| |
| ptr = gpa2hva(&mr, addr, &local_err); |
| if (local_err) { |
| error_report_err(local_err); |
| return; |
| } |
| |
| physaddr = vtop(ptr, &local_err); |
| if (local_err) { |
| error_report_err(local_err); |
| } else { |
| monitor_printf(mon, "Host physical address for 0x%" HWADDR_PRIx |
| " (%s) is 0x%" PRIx64 "\n", |
| addr, mr->name, (uint64_t) physaddr); |
| } |
| |
| memory_region_unref(mr); |
| } |
| #endif |
| |
| static void do_print(Monitor *mon, const QDict *qdict) |
| { |
| int format = qdict_get_int(qdict, "format"); |
| hwaddr val = qdict_get_int(qdict, "val"); |
| |
| switch(format) { |
| case 'o': |
| monitor_printf(mon, "%#" HWADDR_PRIo, val); |
| break; |
| case 'x': |
| monitor_printf(mon, "%#" HWADDR_PRIx, val); |
| break; |
| case 'u': |
| monitor_printf(mon, "%" HWADDR_PRIu, val); |
| break; |
| default: |
| case 'd': |
| monitor_printf(mon, "%" HWADDR_PRId, val); |
| break; |
| case 'c': |
| monitor_printc(mon, val); |
| break; |
| } |
| monitor_printf(mon, "\n"); |
| } |
| |
| static void hmp_sum(Monitor *mon, const QDict *qdict) |
| { |
| uint32_t addr; |
| uint16_t sum; |
| uint32_t start = qdict_get_int(qdict, "start"); |
| uint32_t size = qdict_get_int(qdict, "size"); |
| |
| sum = 0; |
| for(addr = start; addr < (start + size); addr++) { |
| uint8_t val = address_space_ldub(&address_space_memory, addr, |
| MEMTXATTRS_UNSPECIFIED, NULL); |
| /* BSD sum algorithm ('sum' Unix command) */ |
| sum = (sum >> 1) | (sum << 15); |
| sum += val; |
| } |
| monitor_printf(mon, "%05d\n", sum); |
| } |
| |
| static int mouse_button_state; |
| |
| static void hmp_mouse_move(Monitor *mon, const QDict *qdict) |
| { |
| int dx, dy, dz, button; |
| const char *dx_str = qdict_get_str(qdict, "dx_str"); |
| const char *dy_str = qdict_get_str(qdict, "dy_str"); |
| const char *dz_str = qdict_get_try_str(qdict, "dz_str"); |
| |
| dx = strtol(dx_str, NULL, 0); |
| dy = strtol(dy_str, NULL, 0); |
| qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx); |
| qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy); |
| |
| if (dz_str) { |
| dz = strtol(dz_str, NULL, 0); |
| if (dz != 0) { |
| button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN; |
| qemu_input_queue_btn(NULL, button, true); |
| qemu_input_event_sync(); |
| qemu_input_queue_btn(NULL, button, false); |
| } |
| } |
| qemu_input_event_sync(); |
| } |
| |
| static void hmp_mouse_button(Monitor *mon, const QDict *qdict) |
| { |
| static uint32_t bmap[INPUT_BUTTON__MAX] = { |
| [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON, |
| [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON, |
| [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON, |
| }; |
| int button_state = qdict_get_int(qdict, "button_state"); |
| |
| if (mouse_button_state == button_state) { |
| return; |
| } |
| qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state); |
| qemu_input_event_sync(); |
| mouse_button_state = button_state; |
| } |
| |
| static void hmp_ioport_read(Monitor *mon, const QDict *qdict) |
| { |
| int size = qdict_get_int(qdict, "size"); |
| int addr = qdict_get_int(qdict, "addr"); |
| int has_index = qdict_haskey(qdict, "index"); |
| uint32_t val; |
| int suffix; |
| |
| if (has_index) { |
| int index = qdict_get_int(qdict, "index"); |
| cpu_outb(addr & IOPORTS_MASK, index & 0xff); |
| addr++; |
| } |
| addr &= 0xffff; |
| |
| switch(size) { |
| default: |
| case 1: |
| val = cpu_inb(addr); |
| suffix = 'b'; |
| break; |
| case 2: |
| val = cpu_inw(addr); |
| suffix = 'w'; |
| break; |
| case 4: |
| val = cpu_inl(addr); |
| suffix = 'l'; |
| break; |
| } |
| monitor_printf(mon, "port%c[0x%04x] = %#0*x\n", |
| suffix, addr, size * 2, val); |
| } |
| |
| static void hmp_ioport_write(Monitor *mon, const QDict *qdict) |
| { |
| int size = qdict_get_int(qdict, "size"); |
| int addr = qdict_get_int(qdict, "addr"); |
| int val = qdict_get_int(qdict, "val"); |
| |
| addr &= IOPORTS_MASK; |
| |
| switch (size) { |
| default: |
| case 1: |
| cpu_outb(addr, val); |
| break; |
| case 2: |
| cpu_outw(addr, val); |
| break; |
| case 4: |
| cpu_outl(addr, val); |
| break; |
| } |
| } |
| |
| static void hmp_boot_set(Monitor *mon, const QDict *qdict) |
| { |
| Error *local_err = NULL; |
| const char *bootdevice = qdict_get_str(qdict, "bootdevice"); |
| |
| qemu_boot_set(bootdevice, &local_err); |
| if (local_err) { |
| error_report_err(local_err); |
| } else { |
| monitor_printf(mon, "boot device list now set to %s\n", bootdevice); |
| } |
| } |
| |
| static void hmp_info_mtree(Monitor *mon, const QDict *qdict) |
| { |
| bool flatview = qdict_get_try_bool(qdict, "flatview", false); |
| bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false); |
| bool owner = qdict_get_try_bool(qdict, "owner", false); |
| |
| mtree_info(flatview, dispatch_tree, owner); |
| } |
| |
| #ifdef CONFIG_PROFILER |
| |
| int64_t dev_time; |
| |
| static void hmp_info_profile(Monitor *mon, const QDict *qdict) |
| { |
| static int64_t last_cpu_exec_time; |
| int64_t cpu_exec_time; |
| int64_t delta; |
| |
| cpu_exec_time = tcg_cpu_exec_time(); |
| delta = cpu_exec_time - last_cpu_exec_time; |
| |
| monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n", |
| dev_time, dev_time / (double)NANOSECONDS_PER_SECOND); |
| monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n", |
| delta, delta / (double)NANOSECONDS_PER_SECOND); |
| last_cpu_exec_time = cpu_exec_time; |
| dev_time = 0; |
| } |
| #else |
| static void hmp_info_profile(Monitor *mon, const QDict *qdict) |
| { |
| monitor_printf(mon, "Internal profiler not compiled\n"); |
| } |
| #endif |
| |
| /* Capture support */ |
| static QLIST_HEAD (capture_list_head, CaptureState) capture_head; |
| |
| static void hmp_info_capture(Monitor *mon, const QDict *qdict) |
| { |
| int i; |
| CaptureState *s; |
| |
| for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) { |
| monitor_printf(mon, "[%d]: ", i); |
| s->ops.info (s->opaque); |
| } |
| } |
| |
| static void hmp_stopcapture(Monitor *mon, const QDict *qdict) |
| { |
| int i; |
| int n = qdict_get_int(qdict, "n"); |
| CaptureState *s; |
| |
| for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) { |
| if (i == n) { |
| s->ops.destroy (s->opaque); |
| QLIST_REMOVE (s, entries); |
| g_free (s); |
| return; |
| } |
| } |
| } |
| |
| static void hmp_wavcapture(Monitor *mon, const QDict *qdict) |
| { |
| const char *path = qdict_get_str(qdict, "path"); |
| int freq = qdict_get_try_int(qdict, "freq", 44100); |
| int bits = qdict_get_try_int(qdict, "bits", 16); |
| int nchannels = qdict_get_try_int(qdict, "nchannels", 2); |
| const char *audiodev = qdict_get_str(qdict, "audiodev"); |
| CaptureState *s; |
| AudioState *as = audio_state_by_name(audiodev); |
| |
| if (!as) { |
| monitor_printf(mon, "Audiodev '%s' not found\n", audiodev); |
| return; |
| } |
| |
| s = g_malloc0 (sizeof (*s)); |
| |
| if (wav_start_capture(as, s, path, freq, bits, nchannels)) { |
| monitor_printf(mon, "Failed to add wave capture\n"); |
| g_free (s); |
| return; |
| } |
| QLIST_INSERT_HEAD (&capture_head, s, entries); |
| } |
| |
| static QAuthZList *find_auth(Monitor *mon, const char *name) |
| { |
| Object *obj; |
| Object *container; |
| |
| container = object_get_objects_root(); |
| obj = object_resolve_path_component(container, name); |
| if (!obj) { |
| monitor_printf(mon, "acl: unknown list '%s'\n", name); |
| return NULL; |
| } |
| |
| return QAUTHZ_LIST(obj); |
| } |
| |
| static bool warn_acl; |
| static void hmp_warn_acl(void) |
| { |
| if (warn_acl) { |
| return; |
| } |
| error_report("The acl_show, acl_reset, acl_policy, acl_add, acl_remove " |
| "commands are deprecated with no replacement. Authorization " |
| "for VNC should be performed using the pluggable QAuthZ " |
| "objects"); |
| warn_acl = true; |
| } |
| |
| static void hmp_acl_show(Monitor *mon, const QDict *qdict) |
| { |
| const char *aclname = qdict_get_str(qdict, "aclname"); |
| QAuthZList *auth = find_auth(mon, aclname); |
| QAuthZListRuleList *rules; |
| size_t i = 0; |
| |
| hmp_warn_acl(); |
| |
| if (!auth) { |
| return; |
| } |
| |
| monitor_printf(mon, "policy: %s\n", |
| QAuthZListPolicy_str(auth->policy)); |
| |
| rules = auth->rules; |
| while (rules) { |
| QAuthZListRule *rule = rules->value; |
| i++; |
| monitor_printf(mon, "%zu: %s %s\n", i, |
| QAuthZListPolicy_str(rule->policy), |
| rule->match); |
| rules = rules->next; |
| } |
| } |
| |
| static void hmp_acl_reset(Monitor *mon, const QDict *qdict) |
| { |
| const char *aclname = qdict_get_str(qdict, "aclname"); |
| QAuthZList *auth = find_auth(mon, aclname); |
| |
| hmp_warn_acl(); |
| |
| if (!auth) { |
| return; |
| } |
| |
| auth->policy = QAUTHZ_LIST_POLICY_DENY; |
| qapi_free_QAuthZListRuleList(auth->rules); |
| auth->rules = NULL; |
| monitor_printf(mon, "acl: removed all rules\n"); |
| } |
| |
| static void hmp_acl_policy(Monitor *mon, const QDict *qdict) |
| { |
| const char *aclname = qdict_get_str(qdict, "aclname"); |
| const char *policy = qdict_get_str(qdict, "policy"); |
| QAuthZList *auth = find_auth(mon, aclname); |
| int val; |
| Error *err = NULL; |
| |
| hmp_warn_acl(); |
| |
| if (!auth) { |
| return; |
| } |
| |
| val = qapi_enum_parse(&QAuthZListPolicy_lookup, |
| policy, |
| QAUTHZ_LIST_POLICY_DENY, |
| &err); |
| if (err) { |
| error_free(err); |
| monitor_printf(mon, "acl: unknown policy '%s', " |
| "expected 'deny' or 'allow'\n", policy); |
| } else { |
| auth->policy = val; |
| if (auth->policy == QAUTHZ_LIST_POLICY_ALLOW) { |
| monitor_printf(mon, "acl: policy set to 'allow'\n"); |
| } else { |
| monitor_printf(mon, "acl: policy set to 'deny'\n"); |
| } |
| } |
| } |
| |
| static QAuthZListFormat hmp_acl_get_format(const char *match) |
| { |
| if (strchr(match, '*')) { |
| return QAUTHZ_LIST_FORMAT_GLOB; |
| } else { |
| return QAUTHZ_LIST_FORMAT_EXACT; |
| } |
| } |
| |
| static void hmp_acl_add(Monitor *mon, const QDict *qdict) |
| { |
| const char *aclname = qdict_get_str(qdict, "aclname"); |
| const char *match = qdict_get_str(qdict, "match"); |
| const char *policystr = qdict_get_str(qdict, "policy"); |
| int has_index = qdict_haskey(qdict, "index"); |
| int index = qdict_get_try_int(qdict, "index", -1); |
| QAuthZList *auth = find_auth(mon, aclname); |
| Error *err = NULL; |
| QAuthZListPolicy policy; |
| QAuthZListFormat format; |
| size_t i = 0; |
| |
| hmp_warn_acl(); |
| |
| if (!auth) { |
| return; |
| } |
| |
| policy = qapi_enum_parse(&QAuthZListPolicy_lookup, |
| policystr, |
| QAUTHZ_LIST_POLICY_DENY, |
| &err); |
| if (err) { |
| error_free(err); |
| monitor_printf(mon, "acl: unknown policy '%s', " |
| "expected 'deny' or 'allow'\n", policystr); |
| return; |
| } |
| |
| format = hmp_acl_get_format(match); |
| |
| if (has_index && index == 0) { |
| monitor_printf(mon, "acl: unable to add acl entry\n"); |
| return; |
| } |
| |
| if (has_index) { |
| i = qauthz_list_insert_rule(auth, match, policy, |
| format, index - 1, &err); |
| } else { |
| i = qauthz_list_append_rule(auth, match, policy, |
| format, &err); |
| } |
| if (err) { |
| monitor_printf(mon, "acl: unable to add rule: %s", |
| error_get_pretty(err)); |
| error_free(err); |
| } else { |
| monitor_printf(mon, "acl: added rule at position %zu\n", i + 1); |
| } |
| } |
| |
| static void hmp_acl_remove(Monitor *mon, const QDict *qdict) |
| { |
| const char *aclname = qdict_get_str(qdict, "aclname"); |
| const char *match = qdict_get_str(qdict, "match"); |
| QAuthZList *auth = find_auth(mon, aclname); |
| ssize_t i = 0; |
| |
| hmp_warn_acl(); |
| |
| if (!auth) { |
| return; |
| } |
| |
| i = qauthz_list_delete_rule(auth, match); |
| if (i >= 0) { |
| monitor_printf(mon, "acl: removed rule at position %zu\n", i + 1); |
| } else { |
| monitor_printf(mon, "acl: no matching acl entry\n"); |
| } |
| } |
| |
| void qmp_getfd(const char *fdname, Error **errp) |
| { |
| mon_fd_t *monfd; |
| int fd, tmp_fd; |
| |
| fd = qemu_chr_fe_get_msgfd(&cur_mon->chr); |
| if (fd == -1) { |
| error_setg(errp, QERR_FD_NOT_SUPPLIED); |
| return; |
| } |
| |
| if (qemu_isdigit(fdname[0])) { |
| close(fd); |
| error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname", |
| "a name not starting with a digit"); |
| return; |
| } |
| |
| qemu_mutex_lock(&cur_mon->mon_lock); |
| QLIST_FOREACH(monfd, &cur_mon->fds, next) { |
| if (strcmp(monfd->name, fdname) != 0) { |
| continue; |
| } |
| |
| tmp_fd = monfd->fd; |
| monfd->fd = fd; |
| qemu_mutex_unlock(&cur_mon->mon_lock); |
| /* Make sure close() is outside critical section */ |
| close(tmp_fd); |
| return; |
| } |
| |
| monfd = g_malloc0(sizeof(mon_fd_t)); |
| monfd->name = g_strdup(fdname); |
| monfd->fd = fd; |
| |
| QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next); |
| qemu_mutex_unlock(&cur_mon->mon_lock); |
| } |
| |
| void qmp_closefd(const char *fdname, Error **errp) |
| { |
| mon_fd_t *monfd; |
| int tmp_fd; |
| |
| qemu_mutex_lock(&cur_mon->mon_lock); |
| QLIST_FOREACH(monfd, &cur_mon->fds, next) { |
| if (strcmp(monfd->name, fdname) != 0) { |
| continue; |
| } |
| |
| QLIST_REMOVE(monfd, next); |
| tmp_fd = monfd->fd; |
| g_free(monfd->name); |
| g_free(monfd); |
| qemu_mutex_unlock(&cur_mon->mon_lock); |
| /* Make sure close() is outside critical section */ |
| close(tmp_fd); |
| return; |
| } |
| |
| qemu_mutex_unlock(&cur_mon->mon_lock); |
| error_setg(errp, QERR_FD_NOT_FOUND, fdname); |
| } |
| |
| int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp) |
| { |
| mon_fd_t *monfd; |
| |
| qemu_mutex_lock(&mon->mon_lock); |
| QLIST_FOREACH(monfd, &mon->fds, next) { |
| int fd; |
| |
| if (strcmp(monfd->name, fdname) != 0) { |
| continue; |
| } |
| |
| fd = monfd->fd; |
| |
| /* caller takes ownership of fd */ |
| QLIST_REMOVE(monfd, next); |
| g_free(monfd->name); |
| g_free(monfd); |
| qemu_mutex_unlock(&mon->mon_lock); |
| |
| return fd; |
| } |
| |
| qemu_mutex_unlock(&mon->mon_lock); |
| error_setg(errp, "File descriptor named '%s' has not been found", fdname); |
| return -1; |
| } |
| |
| static void monitor_fdset_cleanup(MonFdset *mon_fdset) |
| { |
| MonFdsetFd *mon_fdset_fd; |
| MonFdsetFd *mon_fdset_fd_next; |
| |
| QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) { |
| if ((mon_fdset_fd->removed || |
| (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) && |
| runstate_is_running()) { |
| close(mon_fdset_fd->fd); |
| g_free(mon_fdset_fd->opaque); |
| QLIST_REMOVE(mon_fdset_fd, next); |
| g_free(mon_fdset_fd); |
| } |
| } |
| |
| if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) { |
| QLIST_REMOVE(mon_fdset, next); |
| g_free(mon_fdset); |
| } |
| } |
| |
| void monitor_fdsets_cleanup(void) |
| { |
| MonFdset *mon_fdset; |
| MonFdset *mon_fdset_next; |
| |
| qemu_mutex_lock(&mon_fdsets_lock); |
| QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) { |
| monitor_fdset_cleanup(mon_fdset); |
| } |
| qemu_mutex_unlock(&mon_fdsets_lock); |
| } |
| |
| AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque, |
| const char *opaque, Error **errp) |
| { |
| int fd; |
| Monitor *mon = cur_mon; |
| AddfdInfo *fdinfo; |
| |
| fd = qemu_chr_fe_get_msgfd(&mon->chr); |
| if (fd == -1) { |
| error_setg(errp, QERR_FD_NOT_SUPPLIED); |
| goto error; |
| } |
| |
| fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id, |
| has_opaque, opaque, errp); |
| if (fdinfo) { |
| return fdinfo; |
| } |
| |
| error: |
| if (fd != -1) { |
| close(fd); |
| } |
| return NULL; |
| } |
| |
| void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp) |
| { |
| MonFdset *mon_fdset; |
| MonFdsetFd *mon_fdset_fd; |
| char fd_str[60]; |
| |
| qemu_mutex_lock(&mon_fdsets_lock); |
| QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
| if (mon_fdset->id != fdset_id) { |
| continue; |
| } |
| QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { |
| if (has_fd) { |
| if (mon_fdset_fd->fd != fd) { |
| continue; |
| } |
| mon_fdset_fd->removed = true; |
| break; |
| } else { |
| mon_fdset_fd->removed = true; |
| } |
| } |
| if (has_fd && !mon_fdset_fd) { |
| goto error; |
| } |
| monitor_fdset_cleanup(mon_fdset); |
| qemu_mutex_unlock(&mon_fdsets_lock); |
| return; |
| } |
| |
| error: |
| qemu_mutex_unlock(&mon_fdsets_lock); |
| if (has_fd) { |
| snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64, |
| fdset_id, fd); |
| } else { |
| snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id); |
| } |
| error_setg(errp, QERR_FD_NOT_FOUND, fd_str); |
| } |
| |
| FdsetInfoList *qmp_query_fdsets(Error **errp) |
| { |
| MonFdset *mon_fdset; |
| MonFdsetFd *mon_fdset_fd; |
| FdsetInfoList *fdset_list = NULL; |
| |
| qemu_mutex_lock(&mon_fdsets_lock); |
| QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
| FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info)); |
| FdsetFdInfoList *fdsetfd_list = NULL; |
| |
| fdset_info->value = g_malloc0(sizeof(*fdset_info->value)); |
| fdset_info->value->fdset_id = mon_fdset->id; |
| |
| QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { |
| FdsetFdInfoList *fdsetfd_info; |
| |
| fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info)); |
| fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value)); |
| fdsetfd_info->value->fd = mon_fdset_fd->fd; |
| if (mon_fdset_fd->opaque) { |
| fdsetfd_info->value->has_opaque = true; |
| fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque); |
| } else { |
| fdsetfd_info->value->has_opaque = false; |
| } |
| |
| fdsetfd_info->next = fdsetfd_list; |
| fdsetfd_list = fdsetfd_info; |
| } |
| |
| fdset_info->value->fds = fdsetfd_list; |
| |
| fdset_info->next = fdset_list; |
| fdset_list = fdset_info; |
| } |
| qemu_mutex_unlock(&mon_fdsets_lock); |
| |
| return fdset_list; |
| } |
| |
| AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id, |
| bool has_opaque, const char *opaque, |
| Error **errp) |
| { |
| MonFdset *mon_fdset = NULL; |
| MonFdsetFd *mon_fdset_fd; |
| AddfdInfo *fdinfo; |
| |
| qemu_mutex_lock(&mon_fdsets_lock); |
| if (has_fdset_id) { |
| QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
| /* Break if match found or match impossible due to ordering by ID */ |
| if (fdset_id <= mon_fdset->id) { |
| if (fdset_id < mon_fdset->id) { |
| mon_fdset = NULL; |
| } |
| break; |
| } |
| } |
| } |
| |
| if (mon_fdset == NULL) { |
| int64_t fdset_id_prev = -1; |
| MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets); |
| |
| if (has_fdset_id) { |
| if (fdset_id < 0) { |
| error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id", |
| "a non-negative value"); |
| qemu_mutex_unlock(&mon_fdsets_lock); |
| return NULL; |
| } |
| /* Use specified fdset ID */ |
| QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
| mon_fdset_cur = mon_fdset; |
| if (fdset_id < mon_fdset_cur->id) { |
| break; |
| } |
| } |
| } else { |
| /* Use first available fdset ID */ |
| QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
| mon_fdset_cur = mon_fdset; |
| if (fdset_id_prev == mon_fdset_cur->id - 1) { |
| fdset_id_prev = mon_fdset_cur->id; |
| continue; |
| } |
| break; |
| } |
| } |
| |
| mon_fdset = g_malloc0(sizeof(*mon_fdset)); |
| if (has_fdset_id) { |
| mon_fdset->id = fdset_id; |
| } else { |
| mon_fdset->id = fdset_id_prev + 1; |
| } |
| |
| /* The fdset list is ordered by fdset ID */ |
| if (!mon_fdset_cur) { |
| QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next); |
| } else if (mon_fdset->id < mon_fdset_cur->id) { |
| QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next); |
| } else { |
| QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next); |
| } |
| } |
| |
| mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd)); |
| mon_fdset_fd->fd = fd; |
| mon_fdset_fd->removed = false; |
| if (has_opaque) { |
| mon_fdset_fd->opaque = g_strdup(opaque); |
| } |
| QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next); |
| |
| fdinfo = g_malloc0(sizeof(*fdinfo)); |
| fdinfo->fdset_id = mon_fdset->id; |
| fdinfo->fd = mon_fdset_fd->fd; |
| |
| qemu_mutex_unlock(&mon_fdsets_lock); |
| return fdinfo; |
| } |
| |
| int monitor_fdset_get_fd(int64_t fdset_id, int flags) |
| { |
| #ifdef _WIN32 |
| return -ENOENT; |
| #else |
| MonFdset *mon_fdset; |
| MonFdsetFd *mon_fdset_fd; |
| int mon_fd_flags; |
| int ret; |
| |
| qemu_mutex_lock(&mon_fdsets_lock); |
| QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
| if (mon_fdset->id != fdset_id) { |
| continue; |
| } |
| QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { |
| mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL); |
| if (mon_fd_flags == -1) { |
| ret = -errno; |
| goto out; |
| } |
| |
| if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) { |
| ret = mon_fdset_fd->fd; |
| goto out; |
| } |
| } |
| ret = -EACCES; |
| goto out; |
| } |
| ret = -ENOENT; |
| |
| out: |
| qemu_mutex_unlock(&mon_fdsets_lock); |
| return ret; |
| #endif |
| } |
| |
| int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd) |
| { |
| MonFdset *mon_fdset; |
| MonFdsetFd *mon_fdset_fd_dup; |
| |
| qemu_mutex_lock(&mon_fdsets_lock); |
| QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
| if (mon_fdset->id != fdset_id) { |
| continue; |
| } |
| QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) { |
| if (mon_fdset_fd_dup->fd == dup_fd) { |
| goto err; |
| } |
| } |
| mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup)); |
| mon_fdset_fd_dup->fd = dup_fd; |
| QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next); |
| qemu_mutex_unlock(&mon_fdsets_lock); |
| return 0; |
| } |
| |
| err: |
| qemu_mutex_unlock(&mon_fdsets_lock); |
| return -1; |
| } |
| |
| static int64_t monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove) |
| { |
| MonFdset *mon_fdset; |
| MonFdsetFd *mon_fdset_fd_dup; |
| |
| qemu_mutex_lock(&mon_fdsets_lock); |
| QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { |
| QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) { |
| if (mon_fdset_fd_dup->fd == dup_fd) { |
| if (remove) { |
| QLIST_REMOVE(mon_fdset_fd_dup, next); |
| g_free(mon_fdset_fd_dup); |
| if (QLIST_EMPTY(&mon_fdset->dup_fds)) { |
| monitor_fdset_cleanup(mon_fdset); |
| } |
| goto err; |
| } else { |
| qemu_mutex_unlock(&mon_fdsets_lock); |
| return mon_fdset->id; |
| } |
| } |
| } |
| } |
| |
| err: |
| qemu_mutex_unlock(&mon_fdsets_lock); |
| return -1; |
| } |
| |
| int64_t monitor_fdset_dup_fd_find(int dup_fd) |
| { |
| return monitor_fdset_dup_fd_find_remove(dup_fd, false); |
| } |
| |
| void monitor_fdset_dup_fd_remove(int dup_fd) |
| { |
| monitor_fdset_dup_fd_find_remove(dup_fd, true); |
| } |
| |
| int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp) |
| { |
| int fd; |
| Error *local_err = NULL; |
| |
| if (!qemu_isdigit(fdname[0]) && mon) { |
| fd = monitor_get_fd(mon, fdname, &local_err); |
| } else { |
| fd = qemu_parse_fd(fdname); |
| if (fd == -1) { |
| error_setg(&local_err, "Invalid file descriptor number '%s'", |
| fdname); |
| } |
| } |
| if (local_err) { |
| error_propagate(errp, local_err); |
| assert(fd == -1); |
| } else { |
| assert(fd != -1); |
| } |
| |
| return fd; |
| } |
| |
| /* Please update hmp-commands.hx when adding or changing commands */ |
| static HMPCommand hmp_info_cmds[] = { |
| #include "hmp-commands-info.h" |
| { NULL, NULL, }, |
| }; |
| |
| /* hmp_cmds and hmp_info_cmds would be sorted at runtime */ |
| HMPCommand hmp_cmds[] = { |
| #include "hmp-commands.h" |
| { NULL, NULL, }, |
| }; |
| |
| /* |
| * Set @pval to the value in the register identified by @name. |
| * return 0 if OK, -1 if not found |
| */ |
| int get_monitor_def(int64_t *pval, const char *name) |
| { |
| const MonitorDef *md = target_monitor_defs(); |
| CPUState *cs = mon_get_cpu(); |
| void *ptr; |
| uint64_t tmp = 0; |
| int ret; |
| |
| if (cs == NULL || md == NULL) { |
| return -1; |
| } |
| |
| for(; md->name != NULL; md++) { |
| if (hmp_compare_cmd(name, md->name)) { |
| if (md->get_value) { |
| *pval = md->get_value(md, md->offset); |
| } else { |
| CPUArchState *env = mon_get_cpu_env(); |
| ptr = (uint8_t *)env + md->offset; |
| switch(md->type) { |
| case MD_I32: |
| *pval = *(int32_t *)ptr; |
| break; |
| case MD_TLONG: |
| *pval = *(target_long *)ptr; |
| break; |
| default: |
| *pval = 0; |
| break; |
| } |
| } |
| return 0; |
| } |
| } |
| |
| ret = target_get_monitor_def(cs, name, &tmp); |
| if (!ret) { |
| *pval = (target_long) tmp; |
| } |
| |
| return ret; |
| } |
| |
| static void add_completion_option(ReadLineState *rs, const char *str, |
| const char *option) |
| { |
| if (!str || !option) { |
| return; |
| } |
| if (!strncmp(option, str, strlen(str))) { |
| readline_add_completion(rs, option); |
| } |
| } |
| |
| void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| size_t len; |
| ChardevBackendInfoList *list, *start; |
| |
| if (nb_args != 2) { |
| return; |
| } |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| |
| start = list = qmp_query_chardev_backends(NULL); |
| while (list) { |
| const char *chr_name = list->value->name; |
| |
| if (!strncmp(chr_name, str, len)) { |
| readline_add_completion(rs, chr_name); |
| } |
| list = list->next; |
| } |
| qapi_free_ChardevBackendInfoList(start); |
| } |
| |
| void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| size_t len; |
| int i; |
| |
| if (nb_args != 2) { |
| return; |
| } |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| for (i = 0; i < NET_CLIENT_DRIVER__MAX; i++) { |
| add_completion_option(rs, str, NetClientDriver_str(i)); |
| } |
| } |
| |
| void device_add_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| GSList *list, *elt; |
| size_t len; |
| |
| if (nb_args != 2) { |
| return; |
| } |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| list = elt = object_class_get_list(TYPE_DEVICE, false); |
| while (elt) { |
| const char *name; |
| DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, |
| TYPE_DEVICE); |
| name = object_class_get_name(OBJECT_CLASS(dc)); |
| |
| if (dc->user_creatable |
| && !strncmp(name, str, len)) { |
| readline_add_completion(rs, name); |
| } |
| elt = elt->next; |
| } |
| g_slist_free(list); |
| } |
| |
| void object_add_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| GSList *list, *elt; |
| size_t len; |
| |
| if (nb_args != 2) { |
| return; |
| } |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| list = elt = object_class_get_list(TYPE_USER_CREATABLE, false); |
| while (elt) { |
| const char *name; |
| |
| name = object_class_get_name(OBJECT_CLASS(elt->data)); |
| if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) { |
| readline_add_completion(rs, name); |
| } |
| elt = elt->next; |
| } |
| g_slist_free(list); |
| } |
| |
| static int qdev_add_hotpluggable_device(Object *obj, void *opaque) |
| { |
| GSList **list = opaque; |
| DeviceState *dev = (DeviceState *)object_dynamic_cast(OBJECT(obj), |
| TYPE_DEVICE); |
| |
| if (dev == NULL) { |
| return 0; |
| } |
| |
| if (dev->realized && object_property_get_bool(obj, "hotpluggable", NULL)) { |
| *list = g_slist_append(*list, dev); |
| } |
| |
| return 0; |
| } |
| |
| static GSList *qdev_build_hotpluggable_device_list(Object *peripheral) |
| { |
| GSList *list = NULL; |
| |
| object_child_foreach(peripheral, qdev_add_hotpluggable_device, &list); |
| |
| return list; |
| } |
| |
| static void peripheral_device_del_completion(ReadLineState *rs, |
| const char *str, size_t len) |
| { |
| Object *peripheral = container_get(qdev_get_machine(), "/peripheral"); |
| GSList *list, *item; |
| |
| list = qdev_build_hotpluggable_device_list(peripheral); |
| if (!list) { |
| return; |
| } |
| |
| for (item = list; item; item = g_slist_next(item)) { |
| DeviceState *dev = item->data; |
| |
| if (dev->id && !strncmp(str, dev->id, len)) { |
| readline_add_completion(rs, dev->id); |
| } |
| } |
| |
| g_slist_free(list); |
| } |
| |
| void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| size_t len; |
| ChardevInfoList *list, *start; |
| |
| if (nb_args != 2) { |
| return; |
| } |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| |
| start = list = qmp_query_chardev(NULL); |
| while (list) { |
| ChardevInfo *chr = list->value; |
| |
| if (!strncmp(chr->label, str, len)) { |
| readline_add_completion(rs, chr->label); |
| } |
| list = list->next; |
| } |
| qapi_free_ChardevInfoList(start); |
| } |
| |
| static void ringbuf_completion(ReadLineState *rs, const char *str) |
| { |
| size_t len; |
| ChardevInfoList *list, *start; |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| |
| start = list = qmp_query_chardev(NULL); |
| while (list) { |
| ChardevInfo *chr_info = list->value; |
| |
| if (!strncmp(chr_info->label, str, len)) { |
| Chardev *chr = qemu_chr_find(chr_info->label); |
| if (chr && CHARDEV_IS_RINGBUF(chr)) { |
| readline_add_completion(rs, chr_info->label); |
| } |
| } |
| list = list->next; |
| } |
| qapi_free_ChardevInfoList(start); |
| } |
| |
| void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| if (nb_args != 2) { |
| return; |
| } |
| ringbuf_completion(rs, str); |
| } |
| |
| void device_del_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| size_t len; |
| |
| if (nb_args != 2) { |
| return; |
| } |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| peripheral_device_del_completion(rs, str, len); |
| } |
| |
| void object_del_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| ObjectPropertyInfoList *list, *start; |
| size_t len; |
| |
| if (nb_args != 2) { |
| return; |
| } |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| |
| start = list = qmp_qom_list("/objects", NULL); |
| while (list) { |
| ObjectPropertyInfo *info = list->value; |
| |
| if (!strncmp(info->type, "child<", 5) |
| && !strncmp(info->name, str, len)) { |
| readline_add_completion(rs, info->name); |
| } |
| list = list->next; |
| } |
| qapi_free_ObjectPropertyInfoList(start); |
| } |
| |
| void sendkey_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| int i; |
| char *sep; |
| size_t len; |
| |
| if (nb_args != 2) { |
| return; |
| } |
| sep = strrchr(str, '-'); |
| if (sep) { |
| str = sep + 1; |
| } |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| for (i = 0; i < Q_KEY_CODE__MAX; i++) { |
| if (!strncmp(str, QKeyCode_str(i), len)) { |
| readline_add_completion(rs, QKeyCode_str(i)); |
| } |
| } |
| } |
| |
| void set_link_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| size_t len; |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| if (nb_args == 2) { |
| NetClientState *ncs[MAX_QUEUE_NUM]; |
| int count, i; |
| count = qemu_find_net_clients_except(NULL, ncs, |
| NET_CLIENT_DRIVER_NONE, |
| MAX_QUEUE_NUM); |
| for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { |
| const char *name = ncs[i]->name; |
| if (!strncmp(str, name, len)) { |
| readline_add_completion(rs, name); |
| } |
| } |
| } else if (nb_args == 3) { |
| add_completion_option(rs, str, "on"); |
| add_completion_option(rs, str, "off"); |
| } |
| } |
| |
| void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| int len, count, i; |
| NetClientState *ncs[MAX_QUEUE_NUM]; |
| |
| if (nb_args != 2) { |
| return; |
| } |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_DRIVER_NIC, |
| MAX_QUEUE_NUM); |
| for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { |
| const char *name = ncs[i]->name; |
| if (strncmp(str, name, len)) { |
| continue; |
| } |
| if (ncs[i]->is_netdev) { |
| readline_add_completion(rs, name); |
| } |
| } |
| } |
| |
| void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| size_t len; |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| if (nb_args == 2) { |
| TraceEventIter iter; |
| TraceEvent *ev; |
| char *pattern = g_strdup_printf("%s*", str); |
| trace_event_iter_init(&iter, pattern); |
| while ((ev = trace_event_iter_next(&iter)) != NULL) { |
| readline_add_completion(rs, trace_event_get_name(ev)); |
| } |
| g_free(pattern); |
| } |
| } |
| |
| void trace_event_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| size_t len; |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| if (nb_args == 2) { |
| TraceEventIter iter; |
| TraceEvent *ev; |
| char *pattern = g_strdup_printf("%s*", str); |
| trace_event_iter_init(&iter, pattern); |
| while ((ev = trace_event_iter_next(&iter)) != NULL) { |
| readline_add_completion(rs, trace_event_get_name(ev)); |
| } |
| g_free(pattern); |
| } else if (nb_args == 3) { |
| add_completion_option(rs, str, "on"); |
| add_completion_option(rs, str, "off"); |
| } |
| } |
| |
| void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| int i; |
| |
| if (nb_args != 2) { |
| return; |
| } |
| readline_set_completion_index(rs, strlen(str)); |
| for (i = 0; i < WATCHDOG_ACTION__MAX; i++) { |
| add_completion_option(rs, str, WatchdogAction_str(i)); |
| } |
| } |
| |
| void migrate_set_capability_completion(ReadLineState *rs, int nb_args, |
| const char *str) |
| { |
| size_t len; |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| if (nb_args == 2) { |
| int i; |
| for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) { |
| const char *name = MigrationCapability_str(i); |
| if (!strncmp(str, name, len)) { |
| readline_add_completion(rs, name); |
| } |
| } |
| } else if (nb_args == 3) { |
| add_completion_option(rs, str, "on"); |
| add_completion_option(rs, str, "off"); |
| } |
| } |
| |
| void migrate_set_parameter_completion(ReadLineState *rs, int nb_args, |
| const char *str) |
| { |
| size_t len; |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| if (nb_args == 2) { |
| int i; |
| for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) { |
| const char *name = MigrationParameter_str(i); |
| if (!strncmp(str, name, len)) { |
| readline_add_completion(rs, name); |
| } |
| } |
| } |
| } |
| |
| static void vm_completion(ReadLineState *rs, const char *str) |
| { |
| size_t len; |
| BlockDriverState *bs; |
| BdrvNextIterator it; |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| |
| for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) { |
| SnapshotInfoList *snapshots, *snapshot; |
| AioContext *ctx = bdrv_get_aio_context(bs); |
| bool ok = false; |
| |
| aio_context_acquire(ctx); |
| if (bdrv_can_snapshot(bs)) { |
| ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0; |
| } |
| aio_context_release(ctx); |
| if (!ok) { |
| continue; |
| } |
| |
| snapshot = snapshots; |
| while (snapshot) { |
| char *completion = snapshot->value->name; |
| if (!strncmp(str, completion, len)) { |
| readline_add_completion(rs, completion); |
| } |
| completion = snapshot->value->id; |
| if (!strncmp(str, completion, len)) { |
| readline_add_completion(rs, completion); |
| } |
| snapshot = snapshot->next; |
| } |
| qapi_free_SnapshotInfoList(snapshots); |
| } |
| |
| } |
| |
| void delvm_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| if (nb_args == 2) { |
| vm_completion(rs, str); |
| } |
| } |
| |
| void loadvm_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| if (nb_args == 2) { |
| vm_completion(rs, str); |
| } |
| } |
| |
| static int |
| compare_mon_cmd(const void *a, const void *b) |
| { |
| return strcmp(((const HMPCommand *)a)->name, |
| ((const HMPCommand *)b)->name); |
| } |
| |
| static void sortcmdlist(void) |
| { |
| qsort(hmp_cmds, ARRAY_SIZE(hmp_cmds) - 1, |
| sizeof(*hmp_cmds), |
| compare_mon_cmd); |
| qsort(hmp_info_cmds, ARRAY_SIZE(hmp_info_cmds) - 1, |
| sizeof(*hmp_info_cmds), |
| compare_mon_cmd); |
| } |
| |
| void monitor_init_globals(void) |
| { |
| monitor_init_globals_core(); |
| monitor_init_qmp_commands(); |
| sortcmdlist(); |
| qemu_mutex_init(&mon_fdsets_lock); |
| } |
