machine: Refactor smp_parse() in vl.c as MachineClass::smp_parse()

[qemu.git] / vl.c

diff --git a/vl.c b/vl.c
index ddefa75c1d0579315996f648a64dc5516b457450..96d2456f706b76648ac6f8c1b1663574bb256ca3 100644 (file)
--- a/vl.c
+++ b/vl.c
@@ -163,10 +163,6 @@ static Chardev **serial_hds;
 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
 int win2k_install_hack = 0;
 int singlestep = 0;
-int smp_cpus;
-unsigned int max_cpus;
-int smp_cores = 1;
-int smp_threads = 1;
 int acpi_enabled = 1;
 int no_hpet = 0;
 int fd_bootchk = 1;
@@ -1249,74 +1245,6 @@ static QemuOptsList qemu_smp_opts = {
     },
 };
 
-static void smp_parse(QemuOpts *opts)
-{
-    if (opts) {
-        unsigned cpus    = qemu_opt_get_number(opts, "cpus", 0);
-        unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
-        unsigned cores   = qemu_opt_get_number(opts, "cores", 0);
-        unsigned threads = qemu_opt_get_number(opts, "threads", 0);
-
-        /* compute missing values, prefer sockets over cores over threads */
-        if (cpus == 0 || sockets == 0) {
-            cores = cores > 0 ? cores : 1;
-            threads = threads > 0 ? threads : 1;
-            if (cpus == 0) {
-                sockets = sockets > 0 ? sockets : 1;
-                cpus = cores * threads * sockets;
-            } else {
-                max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
-                sockets = max_cpus / (cores * threads);
-            }
-        } else if (cores == 0) {
-            threads = threads > 0 ? threads : 1;
-            cores = cpus / (sockets * threads);
-            cores = cores > 0 ? cores : 1;
-        } else if (threads == 0) {
-            threads = cpus / (cores * sockets);
-            threads = threads > 0 ? threads : 1;
-        } else if (sockets * cores * threads < cpus) {
-            error_report("cpu topology: "
-                         "sockets (%u) * cores (%u) * threads (%u) < "
-                         "smp_cpus (%u)",
-                         sockets, cores, threads, cpus);
-            exit(1);
-        }
-
-        max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
-
-        if (max_cpus < cpus) {
-            error_report("maxcpus must be equal to or greater than smp");
-            exit(1);
-        }
-
-        if (sockets * cores * threads > max_cpus) {
-            error_report("cpu topology: "
-                         "sockets (%u) * cores (%u) * threads (%u) > "
-                         "maxcpus (%u)",
-                         sockets, cores, threads, max_cpus);
-            exit(1);
-        }
-
-        if (sockets * cores * threads != max_cpus) {
-            warn_report("Invalid CPU topology deprecated: "
-                        "sockets (%u) * cores (%u) * threads (%u) "
-                        "!= maxcpus (%u)",
-                        sockets, cores, threads, max_cpus);
-        }
-
-        smp_cpus = cpus;
-        smp_cores = cores;
-        smp_threads = threads;
-    }
-
-    if (smp_cpus > 1) {
-        Error *blocker = NULL;
-        error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
-        replay_add_blocker(blocker);
-    }
-}
-
 static void realtime_init(void)
 {
     if (enable_mlock) {
@@ -1580,7 +1508,7 @@ void qemu_system_reset(ShutdownCause reason)
     cpu_synchronize_all_states();
 
     if (mc && mc->reset) {
-        mc->reset();
+        mc->reset(current_machine);
     } else {
         qemu_devices_reset();
     }
@@ -4009,21 +3937,26 @@ int main(int argc, char **argv, char **envp)
     machine_class->default_cpus = machine_class->default_cpus ?: 1;
 
     /* default to machine_class->default_cpus */
-    smp_cpus = machine_class->default_cpus;
-    max_cpus = machine_class->default_cpus;
+    current_machine->smp.cpus = machine_class->default_cpus;
+    current_machine->smp.max_cpus = machine_class->default_cpus;
+    current_machine->smp.cores = 1;
+    current_machine->smp.threads = 1;
 
-    smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
+    machine_class->smp_parse(current_machine,
+        qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
 
     /* sanity-check smp_cpus and max_cpus against machine_class */
-    if (smp_cpus < machine_class->min_cpus) {
+    if (current_machine->smp.cpus < machine_class->min_cpus) {
         error_report("Invalid SMP CPUs %d. The min CPUs "
-                     "supported by machine '%s' is %d", smp_cpus,
+                     "supported by machine '%s' is %d",
+                     current_machine->smp.cpus,
                      machine_class->name, machine_class->min_cpus);
         exit(1);
     }
-    if (max_cpus > machine_class->max_cpus) {
+    if (current_machine->smp.max_cpus > machine_class->max_cpus) {
         error_report("Invalid SMP CPUs %d. The max CPUs "
-                     "supported by machine '%s' is %d", max_cpus,
+                     "supported by machine '%s' is %d",
+                     current_machine->smp.max_cpus,
                      machine_class->name, machine_class->max_cpus);
         exit(1);
     }