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char: Move HMP commands from monitor/ to chardev/

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This moves these commands from MAINTAINERS sections "Human
Monitor (HMP)" and "QMP" to "Character device backends".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-4-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2023-01-24 13:19:17 +01:00
parent 98b5362bdd
commit b7d75c0b48
4 changed files with 225 additions and 202 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

220
chardev/char-hmp-cmds.c Normal file
View File

@ -0,0 +1,220 @@
/*
* HMP commands related to character devices
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
* Contributions after 2012-01-13 are licensed under the terms of the
* GNU GPL, version 2 or (at your option) any later version.
*/
#include "qemu/osdep.h"
#include "chardev/char.h"
#include "monitor/hmp.h"
#include "monitor/monitor.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-char.h"
#include "qapi/qmp/qdict.h"
#include "qemu/config-file.h"
#include "qemu/option.h"
void hmp_info_chardev(Monitor *mon, const QDict *qdict)
{
ChardevInfoList *char_info, *info;
char_info = qmp_query_chardev(NULL);
for (info = char_info; info; info = info->next) {
monitor_printf(mon, "%s: filename=%s\n", info->value->label,
info->value->filename);
}
qapi_free_ChardevInfoList(char_info);
}
void hmp_ringbuf_write(Monitor *mon, const QDict *qdict)
{
const char *chardev = qdict_get_str(qdict, "device");
const char *data = qdict_get_str(qdict, "data");
Error *err = NULL;
qmp_ringbuf_write(chardev, data, false, 0, &err);
hmp_handle_error(mon, err);
}
void hmp_ringbuf_read(Monitor *mon, const QDict *qdict)
{
uint32_t size = qdict_get_int(qdict, "size");
const char *chardev = qdict_get_str(qdict, "device");
char *data;
Error *err = NULL;
int i;
data = qmp_ringbuf_read(chardev, size, false, 0, &err);
if (hmp_handle_error(mon, err)) {
return;
}
for (i = 0; data[i]; i++) {
unsigned char ch = data[i];
if (ch == '\\') {
monitor_printf(mon, "\\\\");
} else if ((ch < 0x20 && ch != '\n' && ch != '\t') || ch == 0x7F) {
monitor_printf(mon, "\\u%04X", ch);
} else {
monitor_printf(mon, "%c", ch);
}
}
monitor_printf(mon, "\n");
g_free(data);
}
void hmp_chardev_add(Monitor *mon, const QDict *qdict)
{
const char *args = qdict_get_str(qdict, "args");
Error *err = NULL;
QemuOpts *opts;
opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), args, true);
if (opts == NULL) {
error_setg(&err, "Parsing chardev args failed");
} else {
qemu_chr_new_from_opts(opts, NULL, &err);
qemu_opts_del(opts);
}
hmp_handle_error(mon, err);
}
void hmp_chardev_change(Monitor *mon, const QDict *qdict)
{
const char *args = qdict_get_str(qdict, "args");
const char *id;
Error *err = NULL;
ChardevBackend *backend = NULL;
ChardevReturn *ret = NULL;
QemuOpts *opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), args,
true);
if (!opts) {
error_setg(&err, "Parsing chardev args failed");
goto end;
}
id = qdict_get_str(qdict, "id");
if (qemu_opts_id(opts)) {
error_setg(&err, "Unexpected 'id' parameter");
goto end;
}
backend = qemu_chr_parse_opts(opts, &err);
if (!backend) {
goto end;
}
ret = qmp_chardev_change(id, backend, &err);
end:
qapi_free_ChardevReturn(ret);
qapi_free_ChardevBackend(backend);
qemu_opts_del(opts);
hmp_handle_error(mon, err);
}
void hmp_chardev_remove(Monitor *mon, const QDict *qdict)
{
Error *local_err = NULL;
qmp_chardev_remove(qdict_get_str(qdict, "id"), &local_err);
hmp_handle_error(mon, local_err);
}
void hmp_chardev_send_break(Monitor *mon, const QDict *qdict)
{
Error *local_err = NULL;
qmp_chardev_send_break(qdict_get_str(qdict, "id"), &local_err);
hmp_handle_error(mon, local_err);
}
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 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);
}

6
chardev/meson.build
View File

@ -28,7 +28,11 @@ chardev_ss.add(when: 'CONFIG_WIN32', if_true: files(
chardev_ss = chardev_ss.apply(config_host, strict: false)
softmmu_ss.add(files('msmouse.c', 'wctablet.c', 'testdev.c'))
softmmu_ss.add(files(
'char-hmp-cmds.c',
'msmouse.c',
'wctablet.c',
'testdev.c'))
chardev_modules = {}

123
monitor/hmp-cmds.c
View File

@ -17,10 +17,7 @@
#include "monitor/hmp.h"
#include "net/net.h"
#include "net/eth.h"
#include "chardev/char.h"
#include "sysemu/runstate.h"
#include "qemu/config-file.h"
#include "qemu/option.h"
#include "qemu/sockets.h"
#include "qemu/help_option.h"
#include "monitor/monitor.h"
@ -28,7 +25,6 @@
#include "qapi/clone-visitor.h"
#include "qapi/qapi-builtin-visit.h"
#include "qapi/qapi-commands-block.h"
#include "qapi/qapi-commands-char.h"
#include "qapi/qapi-commands-control.h"
#include "qapi/qapi-commands-machine.h"
#include "qapi/qapi-commands-migration.h"
@ -155,19 +151,6 @@ void hmp_info_uuid(Monitor *mon, const QDict *qdict)
qapi_free_UuidInfo(info);
}
void hmp_info_chardev(Monitor *mon, const QDict *qdict)
{
ChardevInfoList *char_info, *info;
char_info = qmp_query_chardev(NULL);
for (info = char_info; info; info = info->next) {
monitor_printf(mon, "%s: filename=%s\n", info->value->label,
info->value->filename);
}
qapi_free_ChardevInfoList(char_info);
}
void hmp_info_migrate(Monitor *mon, const QDict *qdict)
{
MigrationInfo *info;
@ -673,46 +656,6 @@ void hmp_pmemsave(Monitor *mon, const QDict *qdict)
hmp_handle_error(mon, err);
}
void hmp_ringbuf_write(Monitor *mon, const QDict *qdict)
{
const char *chardev = qdict_get_str(qdict, "device");
const char *data = qdict_get_str(qdict, "data");
Error *err = NULL;
qmp_ringbuf_write(chardev, data, false, 0, &err);
hmp_handle_error(mon, err);
}
void hmp_ringbuf_read(Monitor *mon, const QDict *qdict)
{
uint32_t size = qdict_get_int(qdict, "size");
const char *chardev = qdict_get_str(qdict, "device");
char *data;
Error *err = NULL;
int i;
data = qmp_ringbuf_read(chardev, size, false, 0, &err);
if (hmp_handle_error(mon, err)) {
return;
}
for (i = 0; data[i]; i++) {
unsigned char ch = data[i];
if (ch == '\\') {
monitor_printf(mon, "\\\\");
} else if ((ch < 0x20 && ch != '\n' && ch != '\t') || ch == 0x7F) {
monitor_printf(mon, "\\u%04X", ch);
} else {
monitor_printf(mon, "%c", ch);
}
}
monitor_printf(mon, "\n");
g_free(data);
}
void hmp_cont(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
@ -1241,72 +1184,6 @@ void hmp_closefd(Monitor *mon, const QDict *qdict)
hmp_handle_error(mon, err);
}
void hmp_chardev_add(Monitor *mon, const QDict *qdict)
{
const char *args = qdict_get_str(qdict, "args");
Error *err = NULL;
QemuOpts *opts;
opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), args, true);
if (opts == NULL) {
error_setg(&err, "Parsing chardev args failed");
} else {
qemu_chr_new_from_opts(opts, NULL, &err);
qemu_opts_del(opts);
}
hmp_handle_error(mon, err);
}
void hmp_chardev_change(Monitor *mon, const QDict *qdict)
{
const char *args = qdict_get_str(qdict, "args");
const char *id;
Error *err = NULL;
ChardevBackend *backend = NULL;
ChardevReturn *ret = NULL;
QemuOpts *opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), args,
true);
if (!opts) {
error_setg(&err, "Parsing chardev args failed");
goto end;
}
id = qdict_get_str(qdict, "id");
if (qemu_opts_id(opts)) {
error_setg(&err, "Unexpected 'id' parameter");
goto end;
}
backend = qemu_chr_parse_opts(opts, &err);
if (!backend) {
goto end;
}
ret = qmp_chardev_change(id, backend, &err);
end:
qapi_free_ChardevReturn(ret);
qapi_free_ChardevBackend(backend);
qemu_opts_del(opts);
hmp_handle_error(mon, err);
}
void hmp_chardev_remove(Monitor *mon, const QDict *qdict)
{
Error *local_err = NULL;
qmp_chardev_remove(qdict_get_str(qdict, "id"), &local_err);
hmp_handle_error(mon, local_err);
}
void hmp_chardev_send_break(Monitor *mon, const QDict *qdict)
{
Error *local_err = NULL;
qmp_chardev_send_break(qdict_get_str(qdict, "id"), &local_err);
hmp_handle_error(mon, local_err);
}
void hmp_object_del(Monitor *mon, const QDict *qdict)
{
const char *id = qdict_get_str(qdict, "id");

78
monitor/misc.c
View File

@ -49,7 +49,6 @@
#include "exec/ioport.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"
@ -1362,29 +1361,6 @@ static void add_completion_option(ReadLineState *rs, const char *str,
}
}
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;
@ -1498,60 +1474,6 @@ static void peripheral_device_del_completion(ReadLineState *rs,
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;