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Tue, 08 Jun 2021 02:40:29 -0700 (PDT) Received: from avogadro.lan ([93.56.169.140]) by smtp.gmail.com with ESMTPSA id d15sm8608764wri.58.2021.06.08.02.40.29 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Jun 2021 02:40:29 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 11/12] machine: add smp compound property Date: Tue, 8 Jun 2021 11:40:16 +0200 Message-Id: <20210608094017.392673-12-pbonzini@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210608094017.392673-1-pbonzini@redhat.com> References: <20210608094017.392673-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::42d; envelope-from=paolo.bonzini@gmail.com; helo=mail-wr1-x42d.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.248, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Make -smp syntactic sugar for a compound property "-machine smp.{cores,threads,cpu,...}". machine_smp_parse is replaced by the setter for the property. numa-test will now cover the new syntax, while other tests still use -smp. Signed-off-by: Paolo Bonzini --- hw/core/machine.c | 108 +++++++++++++++++++++------------------- include/hw/boards.h | 1 - softmmu/vl.c | 33 +++++++++--- tests/qtest/numa-test.c | 22 ++++---- 4 files changed, 95 insertions(+), 69 deletions(-) diff --git a/hw/core/machine.c b/hw/core/machine.c index ffc076ae84..c6ae89efec 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -19,6 +19,7 @@ #include "hw/loader.h" #include "qapi/error.h" #include "qapi/qapi-visit-common.h" +#include "qapi/qapi-visit-machine.h" #include "qapi/visitor.h" #include "hw/sysbus.h" #include "sysemu/cpus.h" @@ -798,6 +799,57 @@ static void smp_parse(MachineState *ms, SMPConfiguration *config, Error **errp) ms->smp.sockets = sockets; } +static void machine_get_smp(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + MachineState *ms = MACHINE(obj); + SMPConfiguration *config = &(SMPConfiguration){ + .has_cores = true, .cores = ms->smp.cores, + .has_sockets = true, .sockets = ms->smp.sockets, + .has_dies = true, .dies = ms->smp.dies, + .has_threads = true, .threads = ms->smp.threads, + .has_cpus = true, .cpus = ms->smp.cpus, + .has_maxcpus = true, .maxcpus = ms->smp.max_cpus, + }; + if (!visit_type_SMPConfiguration(v, name, &config, &error_abort)) { + return; + } +} + +static void machine_set_smp(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + MachineClass *mc = MACHINE_GET_CLASS(obj); + MachineState *ms = MACHINE(obj); + SMPConfiguration *config; + ERRP_GUARD(); + + if (!visit_type_SMPConfiguration(v, name, &config, errp)) { + return; + } + + mc->smp_parse(ms, config, errp); + if (errp) { + goto out_free; + } + + /* sanity-check smp_cpus and max_cpus against mc */ + if (ms->smp.cpus < mc->min_cpus) { + error_setg(errp, "Invalid SMP CPUs %d. The min CPUs " + "supported by machine '%s' is %d", + ms->smp.cpus, + mc->name, mc->min_cpus); + } else if (ms->smp.max_cpus > mc->max_cpus) { + error_setg(errp, "Invalid SMP CPUs %d. The max CPUs " + "supported by machine '%s' is %d", + current_machine->smp.max_cpus, + mc->name, mc->max_cpus); + } + +out_free: + qapi_free_SMPConfiguration(config); +} + static void machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); @@ -837,6 +889,12 @@ static void machine_class_init(ObjectClass *oc, void *data) object_class_property_set_description(oc, "dumpdtb", "Dump current dtb to a file and quit"); + object_class_property_add(oc, "smp", "SMPConfiguration", + machine_get_smp, machine_set_smp, + NULL, NULL); + object_class_property_set_description(oc, "smp", + "CPU topology"); + object_class_property_add(oc, "phandle-start", "int", machine_get_phandle_start, machine_set_phandle_start, NULL, NULL); @@ -1125,56 +1183,6 @@ MemoryRegion *machine_consume_memdev(MachineState *machine, return ret; } -bool machine_smp_parse(MachineState *ms, QemuOpts *opts, Error **errp) -{ - MachineClass *mc = MACHINE_GET_CLASS(ms); - ERRP_GUARD(); - - if (opts) { - SMPConfiguration config = { - .has_cpus = !!qemu_opt_get(opts, "cpus"), - .cpus = qemu_opt_get_number(opts, "cpus", 0), - .has_sockets = !!qemu_opt_get(opts, "sockets"), - .sockets = qemu_opt_get_number(opts, "sockets", 0), - .has_dies = !!qemu_opt_get(opts, "dies"), - .dies = qemu_opt_get_number(opts, "dies", 0), - .has_cores = !!qemu_opt_get(opts, "cores"), - .cores = qemu_opt_get_number(opts, "cores", 0), - .has_threads = !!qemu_opt_get(opts, "threads"), - .threads = qemu_opt_get_number(opts, "threads", 0), - .has_maxcpus = !!qemu_opt_get(opts, "maxcpus"), - .maxcpus = qemu_opt_get_number(opts, "maxcpus", 0), - }; - - mc->smp_parse(ms, &config, errp); - if (*errp) { - return false; - } - } - - /* sanity-check smp_cpus and max_cpus against mc */ - if (ms->smp.cpus < mc->min_cpus) { - error_setg(errp, "Invalid SMP CPUs %d. The min CPUs " - "supported by machine '%s' is %d", - ms->smp.cpus, - mc->name, mc->min_cpus); - return false; - } else if (ms->smp.max_cpus > mc->max_cpus) { - error_setg(errp, "Invalid SMP CPUs %d. The max CPUs " - "supported by machine '%s' is %d", - current_machine->smp.max_cpus, - mc->name, mc->max_cpus); - return false; - } - - if (ms->smp.cpus > 1) { - Error *blocker = NULL; - error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp"); - replay_add_blocker(blocker); - } - return true; -} - void machine_run_board_init(MachineState *machine) { MachineClass *machine_class = MACHINE_GET_CLASS(machine); diff --git a/include/hw/boards.h b/include/hw/boards.h index 1eae4427e8..accd6eff35 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -26,7 +26,6 @@ OBJECT_DECLARE_TYPE(MachineState, MachineClass, MACHINE) extern MachineState *current_machine; void machine_run_board_init(MachineState *machine); -bool machine_smp_parse(MachineState *ms, QemuOpts *opts, Error **errp); bool machine_usb(MachineState *machine); int machine_phandle_start(MachineState *machine); bool machine_dump_guest_core(MachineState *machine); diff --git a/softmmu/vl.c b/softmmu/vl.c index c3686a6722..df91371b90 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -1523,6 +1523,25 @@ static void machine_help_func(const QDict *qdict) } } +static void +machine_parse_property_opt(QemuOptsList *opts_list, const char *propname, + const char *arg, Error **errp) +{ + QDict *opts, *prop; + bool help = false; + ERRP_GUARD(); + + prop = keyval_parse(arg, opts_list->implied_opt_name, &help, errp); + if (help) { + qemu_opts_print_help(opts_list, true); + return; + } + opts = qdict_new(); + qdict_put(opts, propname, prop); + keyval_merge(machine_opts_dict, opts, errp); + qobject_unref(opts); +} + static const char *pid_file; static Notifier qemu_unlink_pidfile_notifier; @@ -1833,6 +1852,12 @@ static void qemu_apply_machine_options(QDict *qdict) /* fall back to the -kernel/-append */ semihosting_arg_fallback(current_machine->kernel_filename, current_machine->kernel_cmdline); } + + if (current_machine->smp.cpus > 1) { + Error *blocker = NULL; + error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp"); + replay_add_blocker(blocker); + } } static void qemu_create_early_backends(void) @@ -2074,9 +2099,6 @@ static void qemu_create_machine(QDict *qdict) qemu_set_hw_version(machine_class->hw_version); } - machine_smp_parse(current_machine, - qemu_opts_find(qemu_find_opts("smp-opts"), NULL), &error_fatal); - /* * Get the default machine options from the machine if it is not already * specified either by the configuration file or by the command line. @@ -3291,10 +3313,7 @@ void qemu_init(int argc, char **argv, char **envp) } break; case QEMU_OPTION_smp: - if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"), - optarg, true)) { - exit(1); - } + machine_parse_property_opt(qemu_find_opts("smp-opts"), "smp", optarg, &error_fatal); break; case QEMU_OPTION_vnc: vnc_parse(optarg); diff --git a/tests/qtest/numa-test.c b/tests/qtest/numa-test.c index dc0ec571ca..c677cd63c4 100644 --- a/tests/qtest/numa-test.c +++ b/tests/qtest/numa-test.c @@ -25,7 +25,7 @@ static void test_mon_explicit(const void *data) g_autofree char *s = NULL; g_autofree char *cli = NULL; - cli = make_cli(data, "-smp 8 -numa node,nodeid=0,memdev=ram,cpus=0-3 " + cli = make_cli(data, "-machine smp.cpus=8 -numa node,nodeid=0,memdev=ram,cpus=0-3 " "-numa node,nodeid=1,cpus=4-7"); qts = qtest_init(cli); @@ -42,7 +42,7 @@ static void test_def_cpu_split(const void *data) g_autofree char *s = NULL; g_autofree char *cli = NULL; - cli = make_cli(data, "-smp 8 -numa node,memdev=ram -numa node"); + cli = make_cli(data, "-machine smp.cpus=8 -numa node,memdev=ram -numa node"); qts = qtest_init(cli); s = qtest_hmp(qts, "info numa"); @@ -58,7 +58,7 @@ static void test_mon_partial(const void *data) g_autofree char *s = NULL; g_autofree char *cli = NULL; - cli = make_cli(data, "-smp 8 " + cli = make_cli(data, "-machine smp.cpus=8 " "-numa node,nodeid=0,memdev=ram,cpus=0-1 " "-numa node,nodeid=1,cpus=4-5 "); qts = qtest_init(cli); @@ -86,7 +86,7 @@ static void test_query_cpus(const void *data) QTestState *qts; g_autofree char *cli = NULL; - cli = make_cli(data, "-smp 8 -numa node,memdev=ram,cpus=0-3 " + cli = make_cli(data, "-machine smp.cpus=8 -numa node,memdev=ram,cpus=0-3 " "-numa node,cpus=4-7"); qts = qtest_init(cli); cpus = get_cpus(qts, &resp); @@ -124,7 +124,7 @@ static void pc_numa_cpu(const void *data) QTestState *qts; g_autofree char *cli = NULL; - cli = make_cli(data, "-cpu pentium -smp 8,sockets=2,cores=2,threads=2 " + cli = make_cli(data, "-cpu pentium -machine smp.cpus=8,smp.sockets=2,smp.cores=2,smp.threads=2 " "-numa node,nodeid=0,memdev=ram -numa node,nodeid=1 " "-numa cpu,node-id=1,socket-id=0 " "-numa cpu,node-id=0,socket-id=1,core-id=0 " @@ -177,7 +177,7 @@ static void spapr_numa_cpu(const void *data) QTestState *qts; g_autofree char *cli = NULL; - cli = make_cli(data, "-smp 4,cores=4 " + cli = make_cli(data, "-machine smp.cpus=4,smp.cores=4 " "-numa node,nodeid=0,memdev=ram -numa node,nodeid=1 " "-numa cpu,node-id=0,core-id=0 " "-numa cpu,node-id=0,core-id=1 " @@ -222,7 +222,7 @@ static void aarch64_numa_cpu(const void *data) QTestState *qts; g_autofree char *cli = NULL; - cli = make_cli(data, "-smp 2 " + cli = make_cli(data, "-machine smp.cpus=2 " "-numa node,nodeid=0,memdev=ram -numa node,nodeid=1 " "-numa cpu,node-id=1,thread-id=0 " "-numa cpu,node-id=0,thread-id=1"); @@ -265,7 +265,7 @@ static void pc_dynamic_cpu_cfg(const void *data) QTestState *qs; g_autofree char *cli = NULL; - cli = make_cli(data, "-nodefaults --preconfig -smp 2"); + cli = make_cli(data, "-nodefaults --preconfig -machine smp.cpus=2"); qs = qtest_init(cli); /* create 2 numa nodes */ @@ -324,7 +324,7 @@ static void pc_hmat_build_cfg(const void *data) g_autofree char *cli = NULL; cli = make_cli(data, "-nodefaults --preconfig -machine hmat=on " - "-smp 2,sockets=2 " + "-machine smp.cpus=2,smp.sockets=2 " "-m 128M,slots=2,maxmem=1G " "-object memory-backend-ram,size=64M,id=m0 " "-object memory-backend-ram,size=64M,id=m1 " @@ -453,7 +453,7 @@ static void pc_hmat_off_cfg(const void *data) g_autofree char *cli = NULL; cli = make_cli(data, "-nodefaults --preconfig " - "-smp 2,sockets=2 " + "-machine smp.cpus=2,smp.sockets=2 " "-m 128M,slots=2,maxmem=1G " "-object memory-backend-ram,size=64M,id=m0,prealloc=y " "-object memory-backend-ram,size=64M,id=m1 " @@ -492,7 +492,7 @@ static void pc_hmat_erange_cfg(const void *data) g_autofree char *cli = NULL; cli = make_cli(data, "-nodefaults --preconfig -machine hmat=on " - "-smp 2,sockets=2 " + "-machine smp.cpus=2,smp.sockets=2 " "-m 128M,slots=2,maxmem=1G " "-object memory-backend-ram,size=64M,id=m0 " "-object memory-backend-ram,size=64M,id=m1 " -- 2.31.1