/* * 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 "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; MonitorHMP hmp = {}; monitor_data_init(&hmp.common, false, true, false); if (has_cpu_index) { int ret = monitor_set_cpu(&hmp.common, cpu_index); if (ret < 0) { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index", "a CPU number"); goto out; } } handle_hmp_command(&hmp, command_line); WITH_QEMU_LOCK_GUARD(&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(""); } } 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(Monitor *mon, int cpu_index) { CPUState *cpu; cpu = qemu_get_cpu(cpu_index); if (cpu == NULL) { return -1; } g_free(mon->mon_cpu_path); mon->mon_cpu_path = object_get_canonical_path(OBJECT(cpu)); return 0; } /* Callers must hold BQL. */ static CPUState *mon_get_cpu_sync(Monitor *mon, bool synchronize) { CPUState *cpu = NULL; if (mon->mon_cpu_path) { cpu = (CPUState *) object_resolve_path_type(mon->mon_cpu_path, TYPE_CPU, NULL); if (!cpu) { g_free(mon->mon_cpu_path); mon->mon_cpu_path = NULL; } } if (!mon->mon_cpu_path) { if (!first_cpu) { return NULL; } monitor_set_cpu(mon, first_cpu->cpu_index); cpu = first_cpu; } assert(cpu != NULL); if (synchronize) { cpu_synchronize_state(cpu); } return cpu; } CPUState *mon_get_cpu(Monitor *mon) { return mon_get_cpu_sync(mon, true); } CPUArchState *mon_get_cpu_env(Monitor *mon) { CPUState *cs = mon_get_cpu(mon); return cs ? cs->env_ptr : NULL; } int monitor_get_cpu_index(Monitor *mon) { CPUState *cs = mon_get_cpu_sync(mon, 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(mon); 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(mon); 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, "Could not set up display for migration"); 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(mon); 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); } void *gpa2hva(MemoryRegion **p_mr, hwaddr addr, uint64_t size, Error **errp) { Int128 gpa_region_size; MemoryRegionSection mrs = memory_region_find(get_system_memory(), addr, size); 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; } gpa_region_size = int128_make64(size); if (int128_lt(mrs.size, gpa_region_size)) { error_setg(errp, "Size of memory region at 0x%" HWADDR_PRIx " exceeded.", 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, 1, &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(mon); 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. */ qatomic_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, 1, &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] = 0x%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); bool disabled = qdict_get_try_bool(qdict, "disabled", false); mtree_info(flatview, dispatch_tree, owner, disabled); } #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) { Monitor *cur_mon = monitor_cur(); mon_fd_t *monfd; int fd, tmp_fd; fd = qemu_chr_fe_get_msgfd(&cur_mon->chr); if (fd == -1) { error_setg(errp, "No file descriptor supplied via SCM_RIGHTS"); 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_LOCK_GUARD(&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; /* 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); } void qmp_closefd(const char *fdname, Error **errp) { Monitor *cur_mon = monitor_cur(); 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, "File descriptor named '%s' not found", fdname); } int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp) { mon_fd_t *monfd; QEMU_LOCK_GUARD(&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); return fd; } 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_LOCK_GUARD(&mon_fdsets_lock); QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) { monitor_fdset_cleanup(mon_fdset); } } AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque, const char *opaque, Error **errp) { int fd; Monitor *mon = monitor_cur(); AddfdInfo *fdinfo; fd = qemu_chr_fe_get_msgfd(&mon->chr); if (fd == -1) { error_setg(errp, "No file descriptor supplied via SCM_RIGHTS"); 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_LOCK_GUARD(&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); return; } error: 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, "File descriptor named '%s' not found", fd_str); } FdsetInfoList *qmp_query_fdsets(Error **errp) { MonFdset *mon_fdset; MonFdsetFd *mon_fdset_fd; FdsetInfoList *fdset_list = NULL; QEMU_LOCK_GUARD(&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; } 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_LOCK_GUARD(&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"); 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; return fdinfo; } int monitor_fdset_dup_fd_add(int64_t fdset_id, int flags) { #ifdef _WIN32 return -ENOENT; #else MonFdset *mon_fdset; QEMU_LOCK_GUARD(&mon_fdsets_lock); QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { MonFdsetFd *mon_fdset_fd; MonFdsetFd *mon_fdset_fd_dup; int fd = -1; int dup_fd; int mon_fd_flags; 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) { return -1; } if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) { fd = mon_fdset_fd->fd; break; } } if (fd == -1) { errno = EACCES; return -1; } dup_fd = qemu_dup_flags(fd, flags); if (dup_fd == -1) { return -1; } 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); return dup_fd; } errno = ENOENT; return -1; #endif } static int64_t monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove) { MonFdset *mon_fdset; MonFdsetFd *mon_fdset_fd_dup; QEMU_LOCK_GUARD(&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); } return -1; } else { return mon_fdset->id; } } } } 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(Monitor *mon, int64_t *pval, const char *name) { const MonitorDef *md = target_monitor_defs(); CPUState *cs = mon_get_cpu(mon); 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(mon, md, md->offset); } else { CPUArchState *env = mon_get_cpu_env(mon); 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(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); }