[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH V26 02/32] QemuOpts: add def_value_str to QemuOptDes
From: |
Chunyan Liu |
Subject: |
[Qemu-devel] [PATCH V26 02/32] QemuOpts: add def_value_str to QemuOptDesc |
Date: |
Tue, 29 Apr 2014 17:08:11 +0800 |
Add def_value_str (default value) to QemuOptDesc, to replace function of the
default value in QEMUOptionParameter.
Improve qemu_opts_get_* functions: if find opt, return opt->str; otherwise,
if desc->def_value_str is set, return desc->def_value_str; otherwise, return
input defval.
Improve qemu_opts_print: if option is set, print opt->str; otherwise, if
desc->def_value_str is set, also print it. It will replace
print_option_parameters.
Signed-off-by: Dong Xu Wang <address@hidden>
Signed-off-by: Chunyan Liu <address@hidden>
---
Changes to V25:
* split v25 patch into two: this one and next one.
* this patch is the same as v22 which is reviewed-by Eric.
include/qemu/option.h | 3 ++-
util/qemu-option.c | 56 ++++++++++++++++++++++++++++++++++++++++++---------
2 files changed, 49 insertions(+), 10 deletions(-)
diff --git a/include/qemu/option.h b/include/qemu/option.h
index 8c0ac34..c3b0a91 100644
--- a/include/qemu/option.h
+++ b/include/qemu/option.h
@@ -99,6 +99,7 @@ typedef struct QemuOptDesc {
const char *name;
enum QemuOptType type;
const char *help;
+ const char *def_value_str;
} QemuOptDesc;
struct QemuOptsList {
@@ -156,7 +157,7 @@ QDict *qemu_opts_to_qdict(QemuOpts *opts, QDict *qdict);
void qemu_opts_absorb_qdict(QemuOpts *opts, QDict *qdict, Error **errp);
typedef int (*qemu_opts_loopfunc)(QemuOpts *opts, void *opaque);
-int qemu_opts_print(QemuOpts *opts, void *dummy);
+void qemu_opts_print(QemuOpts *opts);
int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func, void
*opaque,
int abort_on_failure);
diff --git a/util/qemu-option.c b/util/qemu-option.c
index 808aef4..5346c90 100644
--- a/util/qemu-option.c
+++ b/util/qemu-option.c
@@ -570,6 +570,13 @@ static QemuOpt *qemu_opt_find(QemuOpts *opts, const char
*name)
const char *qemu_opt_get(QemuOpts *opts, const char *name)
{
QemuOpt *opt = qemu_opt_find(opts, name);
+
+ if (!opt) {
+ const QemuOptDesc *desc = find_desc_by_name(opts->list->desc, name);
+ if (desc && desc->def_value_str) {
+ return desc->def_value_str;
+ }
+ }
return opt ? opt->str : NULL;
}
@@ -589,8 +596,13 @@ bool qemu_opt_get_bool(QemuOpts *opts, const char *name,
bool defval)
{
QemuOpt *opt = qemu_opt_find(opts, name);
- if (opt == NULL)
+ if (opt == NULL) {
+ const QemuOptDesc *desc = find_desc_by_name(opts->list->desc, name);
+ if (desc && desc->def_value_str) {
+ parse_option_bool(name, desc->def_value_str, &defval,
&error_abort);
+ }
return defval;
+ }
assert(opt->desc && opt->desc->type == QEMU_OPT_BOOL);
return opt->value.boolean;
}
@@ -599,8 +611,14 @@ uint64_t qemu_opt_get_number(QemuOpts *opts, const char
*name, uint64_t defval)
{
QemuOpt *opt = qemu_opt_find(opts, name);
- if (opt == NULL)
+ if (opt == NULL) {
+ const QemuOptDesc *desc = find_desc_by_name(opts->list->desc, name);
+ if (desc && desc->def_value_str) {
+ parse_option_number(name, desc->def_value_str, &defval,
+ &error_abort);
+ }
return defval;
+ }
assert(opt->desc && opt->desc->type == QEMU_OPT_NUMBER);
return opt->value.uint;
}
@@ -609,8 +627,13 @@ uint64_t qemu_opt_get_size(QemuOpts *opts, const char
*name, uint64_t defval)
{
QemuOpt *opt = qemu_opt_find(opts, name);
- if (opt == NULL)
+ if (opt == NULL) {
+ const QemuOptDesc *desc = find_desc_by_name(opts->list->desc, name);
+ if (desc && desc->def_value_str) {
+ parse_option_size(name, desc->def_value_str, &defval,
&error_abort);
+ }
return defval;
+ }
assert(opt->desc && opt->desc->type == QEMU_OPT_SIZE);
return opt->value.uint;
}
@@ -895,17 +918,32 @@ void qemu_opts_del(QemuOpts *opts)
g_free(opts);
}
-int qemu_opts_print(QemuOpts *opts, void *dummy)
+void qemu_opts_print(QemuOpts *opts)
{
QemuOpt *opt;
+ QemuOptDesc *desc = opts->list->desc;
- fprintf(stderr, "%s: %s:", opts->list->name,
- opts->id ? opts->id : "<noid>");
- QTAILQ_FOREACH(opt, &opts->head, next) {
- fprintf(stderr, " %s=\"%s\"", opt->name, opt->str);
+ if (desc[0].name == NULL) {
+ QTAILQ_FOREACH(opt, &opts->head, next) {
+ fprintf(stderr, "%s=\"%s\" ", opt->name, opt->str);
+ }
+ return;
+ }
+ for (; desc && desc->name; desc++) {
+ const char *value;
+ QemuOpt *opt = qemu_opt_find(opts, desc->name);
+
+ value = opt ? opt->str : desc->def_value_str;
+ if (!value) {
+ continue;
+ }
+ if (desc->type == QEMU_OPT_STRING) {
+ fprintf(stderr, "%s='%s' ", desc->name, value);
+ } else {
+ fprintf(stderr, "%s=%s ", desc->name, value);
+ }
}
fprintf(stderr, "\n");
- return 0;
}
static int opts_do_parse(QemuOpts *opts, const char *params,
--
1.8.4.5
- [Qemu-devel] [PATCH V26 32/32] QemuOpts: cleanup tmp 'allocated' member from QemuOptsList, (continued)
- [Qemu-devel] [PATCH V26 32/32] QemuOpts: cleanup tmp 'allocated' member from QemuOptsList, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 15/32] gluster.c: replace QEMUOptionParameter with QemuOpts, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 14/32] cow.c: replace QEMUOptionParameter with QemuOpts, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 25/32] sheepdog.c: replace QEMUOptionParameter with QemuOpts, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 09/32] QemuOpts: add conversion between QEMUOptionParameter to QemuOpts, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 13/32] vvfat.c: handle cross_driver's create_options and create_opts, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 12/32] change block layer to support both QemuOpts and QEMUOptionParamter, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 30/32] vpc.c: replace QEMUOptionParameter with QemuOpts, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 01/32] QemuOpts: move find_desc_by_name ahead for later calling, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 04/32] qapi: output def_value_str when query command line options, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 02/32] QemuOpts: add def_value_str to QemuOptDesc,
Chunyan Liu <=
- [Qemu-devel] [PATCH V26 21/32] raw-posix.c: replace QEMUOptionParameter with QemuOpts, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 23/32] raw_bsd.c: replace QEMUOptionParameter with QemuOpts, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 10/32] QemuOpts: add qemu_opts_append to replace append_option_parameters, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 18/32] qcow.c: replace QEMUOptionParameter with QemuOpts, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 19/32] qcow2.c: replace QEMUOptionParameter with QemuOpts, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 03/32] QemuOpts: repurpose qemu_opts_print to replace print_option_parameters, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 29/32] vmdk.c: replace QEMUOptionParameter with QemuOpts, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 17/32] nfs.c: replace QEMUOptionParameter with QemuOpts, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 22/32] raw-win32.c: replace QEMUOptionParameter with QemuOpts, Chunyan Liu, 2014/04/29
- [Qemu-devel] [PATCH V26 11/32] QemuOpts: check NULL input for qemu_opts_del, Chunyan Liu, 2014/04/29