X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm.c;h=de6ee041fe4162206f16a1f685f734bb31cc3e5e;hb=d46ec4b471af03e5e7562aeec4b26a2701671a01;hp=92fbcbf61d9ef9e323dd46c63fb9423345b10884;hpb=b91af04aa542bc3837f88c576c26f5c6ed946197;p=palacios.git

diff --git a/palacios/src/palacios/vmm.c b/palacios/src/palacios/vmm.c
index 92fbcbf..de6ee04 100644
--- a/palacios/src/palacios/vmm.c
+++ b/palacios/src/palacios/vmm.c
@@ -98,9 +98,11 @@ void Init_V3(struct v3_os_hooks * hooks, int num_cpus) {
 
 
 #ifdef CONFIG_VNET
-    V3_init_vnet();
+    v3_init_vnet();
 #endif
 
+
+#ifdef CONFIG_MULTITHREAD_OS
     if ((hooks) && (hooks->call_on_cpu)) {
 
 	for (i = 0; i < num_cpus; i++) {
@@ -109,6 +111,10 @@ void Init_V3(struct v3_os_hooks * hooks, int num_cpus) {
 	    hooks->call_on_cpu(i, &init_cpu, (void *)(addr_t)i);
 	}
     }
+#else 
+    init_cpu(0);
+#endif
+
 }
 
 
@@ -117,17 +123,25 @@ v3_cpu_arch_t v3_get_cpu_type(int cpu_id) {
 }
 
 
-struct v3_vm_info * v3_create_vm(void * cfg, void * priv_data) {
-    struct v3_vm_info * vm = v3_config_guest(cfg);
+struct v3_vm_info * v3_create_vm(void * cfg, void * priv_data, char * name) {
+    struct v3_vm_info * vm = v3_config_guest(cfg, priv_data);
 
     V3_Print("CORE 0 RIP=%p\n", (void *)(addr_t)(vm->cores[0].rip));
 
+
     if (vm == NULL) {
 	PrintError("Could not configure guest\n");
 	return NULL;
     }
 
-    vm->host_priv_data = priv_data;
+    if (name == NULL) {
+	name = "[V3_VM]";
+    } else if (strlen(name) >= 128) {
+	PrintError("VM name is too long. Will be truncated to 128 chars.\n");
+    }
+
+    memset(vm->name, 0, 128);
+    strncpy(vm->name, name, 127);
 
     return vm;
 }
@@ -168,9 +182,9 @@ static int start_core(void * p)
 // For the moment very ugly. Eventually we will shift the cpu_mask to an arbitrary sized type...
 #define MAX_CORES 32
 
+
 int v3_start_vm(struct v3_vm_info * vm, unsigned int cpu_mask) {
     uint32_t i;
-    char tname[16];
     int vcore_id = 0;
     uint8_t * core_mask = (uint8_t *)&cpu_mask; // This is to make future expansion easier
     uint32_t avail_cores = 0;
@@ -194,15 +208,23 @@ int v3_start_vm(struct v3_vm_info * vm, unsigned int cpu_mask) {
     }
     
     if (vm->num_cores > avail_cores) {
-	PrintError("Attempted to start a VM with too many cores (MAX=%d)\n", MAX_CORES);
+	PrintError("Attempted to start a VM with too many cores (vm->num_cores = %d, avail_cores = %d, MAX=%d)\n", vm->num_cores, avail_cores, MAX_CORES);
 	return -1;
     }
 
 
-    for (i = 0; (i < MAX_CORES) && (vcore_id < vm->num_cores); i++) {
+    // spawn off new threads, for other cores
+    for (i = 0, vcore_id = 1; (i < MAX_CORES) && (vcore_id < vm->num_cores); i++) {
 	int major = i / 8;
 	int minor = i % 8;
 	void * core_thread = NULL;
+	struct guest_info * core = &(vm->cores[vcore_id]);
+
+	if (i == V3_Get_CPU()) {
+	    // We skip the local CPU, because it is reserved for vcore 0
+	    continue;
+	}
+
 
 	if ((core_mask[major] & (0x1 << minor)) == 0) {
 	    // cpuid not set in cpu_mask
@@ -212,14 +234,13 @@ int v3_start_vm(struct v3_vm_info * vm, unsigned int cpu_mask) {
 	PrintDebug("Starting virtual core %u on logical core %u\n", 
 		   vcore_id, i);
 	
-	sprintf(tname, "core%u", vcore_id);
+	sprintf(core->exec_name, "%s-%u", vm->name, vcore_id);
 
 	PrintDebug("run: core=%u, func=0x%p, arg=0x%p, name=%s\n",
-		   i, start_core, &(vm->cores[vcore_id]), tname);
+		   i, start_core, core, core->exec_name);
 
 	// TODO: actually manage these threads instead of just launching them
-	core_thread = V3_CREATE_THREAD_ON_CPU(i, start_core, 
-					      &(vm->cores[vcore_id]), tname);
+	core_thread = V3_CREATE_THREAD_ON_CPU(i, start_core, core, core->exec_name);
 
 	if (core_thread == NULL) {
 	    PrintError("Thread launch failed\n");
@@ -229,11 +250,62 @@ int v3_start_vm(struct v3_vm_info * vm, unsigned int cpu_mask) {
 	vcore_id++;
     }
 
+    sprintf(vm->cores[0].exec_name, "%s", vm->name);
+
+    if (start_core(&(vm->cores[0])) != 0) {
+	PrintError("Error starting VM core 0\n");
+	return -1;
+    }
+
+
     return 0;
 
 }
 
 
+
+
+int v3_stop_vm(struct v3_vm_info * vm) {
+
+    vm->run_state = VM_STOPPED;
+
+    // force exit all cores via a cross call/IPI
+
+
+    while (1) {
+	int i = 0;
+	int still_running = 0;
+
+	for (i = 0; i < vm->num_cores; i++) {
+	    if (vm->cores[i].core_run_state != CORE_STOPPED) {
+		still_running = 1;
+	    }
+	}
+
+	if (still_running == 0) {
+ 	    break;
+	}
+
+ 	V3_Print("Yielding\n");
+
+	v3_yield(NULL);
+    }
+    
+    V3_Print("VM stopped. Returning\n");
+
+    return 0;
+}
+
+
+int v3_free_vm(struct v3_vm_info * vm) {
+    // deinitialize guest (free memory, etc...)
+
+    v3_dev_mgr_deinit(vm);
+
+    return 0;
+}
+
+
 #ifdef __V3_32BIT__
 
 v3_cpu_mode_t v3_get_host_cpu_mode() {
@@ -320,7 +392,7 @@ void v3_print_cond(const char * fmt, ...) {
 }
 
 
-
+#ifdef CONFIG_MULTITHREAD_OS
 
 void v3_interrupt_cpu(struct v3_vm_info * vm, int logical_cpu, int vector) {
     extern struct v3_os_hooks * os_hooks;
@@ -329,19 +401,7 @@ void v3_interrupt_cpu(struct v3_vm_info * vm, int logical_cpu, int vector) {
 	(os_hooks)->interrupt_cpu(vm, logical_cpu, vector);
     }
 }
-
-
-
-unsigned int v3_get_cpu_id() {
-    extern struct v3_os_hooks * os_hooks;
-    unsigned int ret = (unsigned int)-1;
-
-    if ((os_hooks) && (os_hooks)->get_cpu) {
-	ret = os_hooks->get_cpu();
-    }
-
-    return ret;
-}
+#endif