Message ID | 1385512056-24556-1-git-send-email-imammedo@redhat.com |
---|---|
State | New |
Headers | show |
Il 27/11/2013 01:27, Igor Mammedov ha scritto: > Adds option to -m > "mem" - startup memory amount > > For compatibility with legacy CLI if suffix-less number is passed, > it assumes amount in Mb. > > Otherwise user is free to use suffixed number using suffixes b,k/K,M,G > > Signed-off-by: Igor Mammedov <imammedo@redhat.com> > --- > qemu-options.hx | 7 +++++-- > vl.c | 53 ++++++++++++++++++++++++++++++++++++++++++----------- > 2 files changed, 47 insertions(+), 13 deletions(-) > > diff --git a/qemu-options.hx b/qemu-options.hx > index 8b94264..d923995 100644 > --- a/qemu-options.hx > +++ b/qemu-options.hx > @@ -210,8 +210,11 @@ use is discouraged as it may be removed from future versions. > ETEXI > > DEF("m", HAS_ARG, QEMU_OPTION_m, > - "-m megs set virtual RAM size to megs MB [default=" > - stringify(DEFAULT_RAM_SIZE) "]\n", QEMU_ARCH_ALL) > + "-m [mem=]megs\n" > + " configure guest RAM\n" > + " mem: initial amount of guest memory (default: " > + stringify(DEFAULT_RAM_SIZE) "Mb)\n", > + QEMU_ARCH_ALL) > STEXI > @item -m @var{megs} > @findex -m > diff --git a/vl.c b/vl.c > index f28674f..44cc4ed 100644 > --- a/vl.c > +++ b/vl.c > @@ -529,6 +529,20 @@ static QemuOptsList qemu_msg_opts = { > }, > }; > > +static QemuOptsList qemu_mem_opts = { > + .name = "memory-opts", > + .implied_opt_name = "mem", > + .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head), > + .merge_lists = true, > + .desc = { > + { > + .name = "mem", > + .type = QEMU_OPT_SIZE, > + }, > + { /* end of list */ } > + }, > +}; > + > /** > * Get machine options > * > @@ -2852,6 +2866,7 @@ int main(int argc, char **argv, char **envp) > }; > const char *trace_events = NULL; > const char *trace_file = NULL; > + const ram_addr_t default_ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; > > atexit(qemu_run_exit_notifiers); > error_set_progname(argv[0]); > @@ -2887,6 +2902,8 @@ int main(int argc, char **argv, char **envp) > qemu_add_opts(&qemu_tpmdev_opts); > qemu_add_opts(&qemu_realtime_opts); > qemu_add_opts(&qemu_msg_opts); > + qemu_add_opts(&qemu_mem_opts); > + qemu_opts_create_nofail(&qemu_mem_opts); > > runstate_init(); > > @@ -2901,7 +2918,7 @@ int main(int argc, char **argv, char **envp) > module_call_init(MODULE_INIT_MACHINE); > machine = find_default_machine(); > cpu_model = NULL; > - ram_size = 0; > + ram_size = default_ram_size; > snapshot = 0; > cyls = heads = secs = 0; > translation = BIOS_ATA_TRANSLATION_AUTO; > @@ -3178,16 +3195,32 @@ int main(int argc, char **argv, char **envp) > exit(0); > break; > case QEMU_OPTION_m: { > - int64_t value; > uint64_t sz; > - char *end; > + const char *mem_str; > > - value = strtosz(optarg, &end); > - if (value < 0 || *end) { > - fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); > + opts = qemu_opts_parse(qemu_find_opts("memory-opts"), > + optarg, 1); > + > + mem_str = qemu_opt_get(opts, "mem"); > + if (!mem_str) { > + fprintf(stderr, "qemu: invalid -m option, missing " > + " 'mem' option\n"); > exit(1); > } > - sz = QEMU_ALIGN_UP((uint64_t)value, 8192); > + > + sz = qemu_opt_get_size(opts, "mem", ram_size); > + > + /* Fix up legacy suffix-less format */ > + if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) { > + sz <<= 20; > + } > + > + /* backward compatibility behaviour for case "-m 0" */ > + if (sz == 0) { > + sz = default_ram_size; > + } > + > + sz = QEMU_ALIGN_UP(sz, 8192); > ram_size = sz; > if (ram_size != sz) { > fprintf(stderr, "qemu: ram size too large\n"); > @@ -4029,10 +4062,8 @@ int main(int argc, char **argv, char **envp) > exit(1); > } > > - /* init the memory */ > - if (ram_size == 0) { > - ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; > - } > + /* store value for the future use */ > + qemu_opt_set_number(opts, "mem", ram_size); > > if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) > != 0) { > I'm applying this patch and "qapi: add SIZE type parser to string_input_visitor", to include them in the same pull request as Wanlong Gao's first batch of NUMA patches. Paolo
On Tue, 10 Dec 2013 08:23:34 +0100 Paolo Bonzini <pbonzini@redhat.com> wrote: > Il 27/11/2013 01:27, Igor Mammedov ha scritto: > > Adds option to -m > > "mem" - startup memory amount > > > > For compatibility with legacy CLI if suffix-less number is passed, > > it assumes amount in Mb. > > > > Otherwise user is free to use suffixed number using suffixes b,k/K,M,G > > > > Signed-off-by: Igor Mammedov <imammedo@redhat.com> > > --- > > qemu-options.hx | 7 +++++-- > > vl.c | 53 ++++++++++++++++++++++++++++++++++++++++++----------- > > 2 files changed, 47 insertions(+), 13 deletions(-) > > > > diff --git a/qemu-options.hx b/qemu-options.hx > > index 8b94264..d923995 100644 > > --- a/qemu-options.hx > > +++ b/qemu-options.hx > > @@ -210,8 +210,11 @@ use is discouraged as it may be removed from future versions. > > ETEXI > > > > DEF("m", HAS_ARG, QEMU_OPTION_m, > > - "-m megs set virtual RAM size to megs MB [default=" > > - stringify(DEFAULT_RAM_SIZE) "]\n", QEMU_ARCH_ALL) > > + "-m [mem=]megs\n" > > + " configure guest RAM\n" > > + " mem: initial amount of guest memory (default: " > > + stringify(DEFAULT_RAM_SIZE) "Mb)\n", > > + QEMU_ARCH_ALL) > > STEXI > > @item -m @var{megs} > > @findex -m > > diff --git a/vl.c b/vl.c > > index f28674f..44cc4ed 100644 > > --- a/vl.c > > +++ b/vl.c > > @@ -529,6 +529,20 @@ static QemuOptsList qemu_msg_opts = { > > }, > > }; > > > > +static QemuOptsList qemu_mem_opts = { > > + .name = "memory-opts", > > + .implied_opt_name = "mem", > > + .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head), > > + .merge_lists = true, > > + .desc = { > > + { > > + .name = "mem", > > + .type = QEMU_OPT_SIZE, > > + }, > > + { /* end of list */ } > > + }, > > +}; > > + > > /** > > * Get machine options > > * > > @@ -2852,6 +2866,7 @@ int main(int argc, char **argv, char **envp) > > }; > > const char *trace_events = NULL; > > const char *trace_file = NULL; > > + const ram_addr_t default_ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; > > > > atexit(qemu_run_exit_notifiers); > > error_set_progname(argv[0]); > > @@ -2887,6 +2902,8 @@ int main(int argc, char **argv, char **envp) > > qemu_add_opts(&qemu_tpmdev_opts); > > qemu_add_opts(&qemu_realtime_opts); > > qemu_add_opts(&qemu_msg_opts); > > + qemu_add_opts(&qemu_mem_opts); > > + qemu_opts_create_nofail(&qemu_mem_opts); > > > > runstate_init(); > > > > @@ -2901,7 +2918,7 @@ int main(int argc, char **argv, char **envp) > > module_call_init(MODULE_INIT_MACHINE); > > machine = find_default_machine(); > > cpu_model = NULL; > > - ram_size = 0; > > + ram_size = default_ram_size; > > snapshot = 0; > > cyls = heads = secs = 0; > > translation = BIOS_ATA_TRANSLATION_AUTO; > > @@ -3178,16 +3195,32 @@ int main(int argc, char **argv, char **envp) > > exit(0); > > break; > > case QEMU_OPTION_m: { > > - int64_t value; > > uint64_t sz; > > - char *end; > > + const char *mem_str; > > > > - value = strtosz(optarg, &end); > > - if (value < 0 || *end) { > > - fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); > > + opts = qemu_opts_parse(qemu_find_opts("memory-opts"), > > + optarg, 1); > > + > > + mem_str = qemu_opt_get(opts, "mem"); > > + if (!mem_str) { > > + fprintf(stderr, "qemu: invalid -m option, missing " > > + " 'mem' option\n"); > > exit(1); > > } > > - sz = QEMU_ALIGN_UP((uint64_t)value, 8192); > > + > > + sz = qemu_opt_get_size(opts, "mem", ram_size); > > + > > + /* Fix up legacy suffix-less format */ > > + if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) { > > + sz <<= 20; > > + } > > + > > + /* backward compatibility behaviour for case "-m 0" */ > > + if (sz == 0) { > > + sz = default_ram_size; > > + } > > + > > + sz = QEMU_ALIGN_UP(sz, 8192); > > ram_size = sz; > > if (ram_size != sz) { > > fprintf(stderr, "qemu: ram size too large\n"); > > @@ -4029,10 +4062,8 @@ int main(int argc, char **argv, char **envp) > > exit(1); > > } > > > > - /* init the memory */ > > - if (ram_size == 0) { > > - ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; > > - } > > + /* store value for the future use */ > > + qemu_opt_set_number(opts, "mem", ram_size); > > > > if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) > > != 0) { > > > > I'm applying this patch and "qapi: add SIZE type parser to > string_input_visitor", to include them in the same pull request as > Wanlong Gao's first batch of NUMA patches. > > Paolo Thanks
diff --git a/qemu-options.hx b/qemu-options.hx index 8b94264..d923995 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -210,8 +210,11 @@ use is discouraged as it may be removed from future versions. ETEXI DEF("m", HAS_ARG, QEMU_OPTION_m, - "-m megs set virtual RAM size to megs MB [default=" - stringify(DEFAULT_RAM_SIZE) "]\n", QEMU_ARCH_ALL) + "-m [mem=]megs\n" + " configure guest RAM\n" + " mem: initial amount of guest memory (default: " + stringify(DEFAULT_RAM_SIZE) "Mb)\n", + QEMU_ARCH_ALL) STEXI @item -m @var{megs} @findex -m diff --git a/vl.c b/vl.c index f28674f..44cc4ed 100644 --- a/vl.c +++ b/vl.c @@ -529,6 +529,20 @@ static QemuOptsList qemu_msg_opts = { }, }; +static QemuOptsList qemu_mem_opts = { + .name = "memory-opts", + .implied_opt_name = "mem", + .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head), + .merge_lists = true, + .desc = { + { + .name = "mem", + .type = QEMU_OPT_SIZE, + }, + { /* end of list */ } + }, +}; + /** * Get machine options * @@ -2852,6 +2866,7 @@ int main(int argc, char **argv, char **envp) }; const char *trace_events = NULL; const char *trace_file = NULL; + const ram_addr_t default_ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; atexit(qemu_run_exit_notifiers); error_set_progname(argv[0]); @@ -2887,6 +2902,8 @@ int main(int argc, char **argv, char **envp) qemu_add_opts(&qemu_tpmdev_opts); qemu_add_opts(&qemu_realtime_opts); qemu_add_opts(&qemu_msg_opts); + qemu_add_opts(&qemu_mem_opts); + qemu_opts_create_nofail(&qemu_mem_opts); runstate_init(); @@ -2901,7 +2918,7 @@ int main(int argc, char **argv, char **envp) module_call_init(MODULE_INIT_MACHINE); machine = find_default_machine(); cpu_model = NULL; - ram_size = 0; + ram_size = default_ram_size; snapshot = 0; cyls = heads = secs = 0; translation = BIOS_ATA_TRANSLATION_AUTO; @@ -3178,16 +3195,32 @@ int main(int argc, char **argv, char **envp) exit(0); break; case QEMU_OPTION_m: { - int64_t value; uint64_t sz; - char *end; + const char *mem_str; - value = strtosz(optarg, &end); - if (value < 0 || *end) { - fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); + opts = qemu_opts_parse(qemu_find_opts("memory-opts"), + optarg, 1); + + mem_str = qemu_opt_get(opts, "mem"); + if (!mem_str) { + fprintf(stderr, "qemu: invalid -m option, missing " + " 'mem' option\n"); exit(1); } - sz = QEMU_ALIGN_UP((uint64_t)value, 8192); + + sz = qemu_opt_get_size(opts, "mem", ram_size); + + /* Fix up legacy suffix-less format */ + if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) { + sz <<= 20; + } + + /* backward compatibility behaviour for case "-m 0" */ + if (sz == 0) { + sz = default_ram_size; + } + + sz = QEMU_ALIGN_UP(sz, 8192); ram_size = sz; if (ram_size != sz) { fprintf(stderr, "qemu: ram size too large\n"); @@ -4029,10 +4062,8 @@ int main(int argc, char **argv, char **envp) exit(1); } - /* init the memory */ - if (ram_size == 0) { - ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; - } + /* store value for the future use */ + qemu_opt_set_number(opts, "mem", ram_size); if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0) {
Adds option to -m "mem" - startup memory amount For compatibility with legacy CLI if suffix-less number is passed, it assumes amount in Mb. Otherwise user is free to use suffixed number using suffixes b,k/K,M,G Signed-off-by: Igor Mammedov <imammedo@redhat.com> --- qemu-options.hx | 7 +++++-- vl.c | 53 ++++++++++++++++++++++++++++++++++++++++++----------- 2 files changed, 47 insertions(+), 13 deletions(-)