Signed-off-by: Andrzej Zaborowski <andrew.zaborow...@intel.com> --- There are other ways to do this, but adding an API for querying available qdev drivers was the one that made most sense to me. --- hw/qdev.c | 38 ++++++++++++++++++++++++++++++++++++++ hw/qdev.h | 7 +++++++ monitor.c | 41 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 86 insertions(+), 0 deletions(-)
diff --git a/hw/qdev.c b/hw/qdev.c index d0cf66d..ba97312 100644 --- a/hw/qdev.c +++ b/hw/qdev.c @@ -1535,3 +1535,41 @@ void qdev_machine_init(void) qdev_get_peripheral_anon(); qdev_get_peripheral(); } + +int qdev_driver_foreach(qdev_driver_foreach_func func, void *opaque) +{ + DeviceInfo *info; + int ret = 0; + + for (info = device_info_list; info != NULL; info = info->next) { + ret |= (*func)(info, opaque); + } + + return ret; +} + +int qdev_driver_prop_foreach(qdev_driver_prop_foreach_func func, + const char *driver, void *opaque) +{ + DeviceInfo *info; + Property *prop; + int ret = 0; + + info = qdev_find_info(NULL, driver); + if (!info) { + return -1; + } + + for (prop = info->props; prop && prop->name; prop++) { + /* + * TODO Properties without a parser are just for dirty hacks. + * See comment in qdev_device_help. + */ + if (!prop->info->parse) { + continue; /* no way to set it, don't show */ + } + ret |= (*func)(prop, opaque); + } + + return ret; +} diff --git a/hw/qdev.h b/hw/qdev.h index 2abb767..b72a31a 100644 --- a/hw/qdev.h +++ b/hw/qdev.h @@ -624,4 +624,11 @@ char *qdev_get_type(DeviceState *dev, Error **errp); */ void qdev_machine_init(void); +/* Driver querying */ +typedef int (*qdev_driver_foreach_func)(DeviceInfo *info, void *opaque); +int qdev_driver_foreach(qdev_driver_foreach_func func, void *opaque); +typedef int (*qdev_driver_prop_foreach_func)(Property *info, void *opaque); +int qdev_driver_prop_foreach(qdev_driver_prop_foreach_func func, + const char *driver, void *opaque); + #endif diff --git a/monitor.c b/monitor.c index 7334401..3eab307 100644 --- a/monitor.c +++ b/monitor.c @@ -4069,6 +4069,28 @@ static void block_completion_it(void *opaque, BlockDriverState *bs) } } +static int driver_completion_it(DeviceInfo *info, void *opaque) +{ + const char *input = opaque; + + if (input[0] == '\0' || !strncmp(info->name, input, strlen(input))) { + readline_add_completion(cur_mon->rs, info->name); + } + + return 0; +} + +static int driver_prop_completion_it(Property *prop, void *opaque) +{ + const char *input = opaque; + + if (input[0] == '\0' || !strncmp(prop->name, input, strlen(input))) { + readline_add_completion(cur_mon->rs, prop->name); + } + + return 0; +} + /* NOTE: this parser is an approximate form of the real command parser */ static void parse_cmdline(const char *cmdline, int *pnb_args, char **args) @@ -4109,6 +4131,7 @@ static void monitor_find_completion(const char *cmdline) const char *ptype, *str; const mon_cmd_t *cmd; const KeyDef *key; + char *pkey; parse_cmdline(cmdline, &nb_args, args); #ifdef DEBUG_COMPLETION @@ -4147,6 +4170,7 @@ static void monitor_find_completion(const char *cmdline) goto cleanup; } + key_get_info(cmd->args_type, &pkey); ptype = next_arg_type(cmd->args_type); for(i = 0; i < nb_args - 2; i++) { if (*ptype != '\0') { @@ -4192,9 +4216,26 @@ static void monitor_find_completion(const char *cmdline) } } break; + case 'O': + if (!strcmp(pkey, "device")) { + char *sep = strrchr(str, ','); + + readline_set_completion_index(cur_mon->rs, + strlen(sep ? sep + 1 : str)); + if (sep) { + char *driver = qemu_strndup(str, strchr(str, ',') - str); + qdev_driver_prop_foreach(driver_prop_completion_it, + driver, (void *) (sep + 1)); + qemu_free(driver); + } else { + qdev_driver_foreach(driver_completion_it, (void *) str); + } + } + break; default: break; } + qemu_free(pkey); } cleanup: -- 1.7.4.4