X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm.c;h=14d196348b4673c872765b89f6fb230b8ebfc290;hb=596d3c2aa2f0a5360baf1c921e4543f014809b78;hp=4db75f1844d4d0c0c5493146f019f05b46867009;hpb=c34c5f5b168274193ef1b766b2054bd3939466d4;p=palacios-OLD.git diff --git a/palacios/src/palacios/vmm.c b/palacios/src/palacios/vmm.c index 4db75f1..14d1963 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 +250,21 @@ 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; @@ -335,7 +366,7 @@ 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; @@ -344,19 +375,7 @@ 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