X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_config.c;h=ecbb9962d6805e71e5a52aa5d9b4bdc9754b5019;hb=a02f23087d0ea3df6dbd494de90754b3302ee9a5;hp=7a596d2cca67ef7c2056e6a9bdc32045deb6da61;hpb=8684ef59c3ede8fe0c33b2f04dbe30a287e7b353;p=palacios.git diff --git a/palacios/src/palacios/vmm_config.c b/palacios/src/palacios/vmm_config.c index 7a596d2..ecbb996 100644 --- a/palacios/src/palacios/vmm_config.c +++ b/palacios/src/palacios/vmm_config.c @@ -72,9 +72,16 @@ char * v3_cfg_val(v3_cfg_tree_t * tree, char * tag) { return NULL; } - val = (attrib == NULL) ? v3_xml_txt(child_entry): attrib; - - return val; + if (attrib == NULL) { + val = v3_xml_txt(child_entry); + + if ( val[0] == 0 ) + val = NULL; + } else { + val = attrib; + } + + return val; } v3_cfg_tree_t * v3_cfg_subtree(v3_cfg_tree_t * tree, char * tag) { @@ -239,7 +246,6 @@ static int pre_config_vm(struct v3_vm_info * vm, v3_cfg_tree_t * vm_cfg) { return -1; } - #ifdef CONFIG_TELEMETRY { char * telemetry = v3_cfg_val(vm_cfg, "telemetry"); @@ -276,9 +282,10 @@ static int determine_paging_mode(struct guest_info *info, v3_cfg_tree_t * core_c { extern v3_cpu_arch_t v3_cpu_types[]; - v3_cfg_tree_t *vm_tree = info->vm_info->cfg_data->cfg; - v3_cfg_tree_t *pg_tree = v3_cfg_subtree(vm_tree, "paging"); - char *pg_mode = v3_cfg_val(pg_tree, "mode"); + v3_cfg_tree_t * vm_tree = info->vm_info->cfg_data->cfg; + v3_cfg_tree_t * pg_tree = v3_cfg_subtree(vm_tree, "paging"); + char * pg_mode = v3_cfg_val(pg_tree, "mode"); + char * page_size = v3_cfg_val(pg_tree, "page_size"); PrintDebug("Paging mode specified as %s\n", pg_mode); @@ -297,13 +304,22 @@ static int determine_paging_mode(struct guest_info *info, v3_cfg_tree_t * core_c info->shdw_pg_mode = SHADOW_PAGING; } } else { - PrintDebug("No paging mode specified in configuration.\n"); + PrintDebug("No paging type specified in configuration. Defaulting to shadow paging\n"); info->shdw_pg_mode = SHADOW_PAGING; } if (info->shdw_pg_mode == NESTED_PAGING) { PrintDebug("Guest Paging Mode: NESTED_PAGING\n"); + if (strcasecmp(page_size, "4kb") == 0) { /* TODO: this may not be an ideal place for this */ + info->vm_info->paging_size = PAGING_4KB; + } else if (strcasecmp(page_size, "2mb") == 0) { + info->vm_info->paging_size = PAGING_2MB; + } else { + PrintError("Invalid VM paging size: '%s'\n", page_size); + return -1; + } + PrintDebug("VM page size=%s\n", page_size); } else if (info->shdw_pg_mode == SHADOW_PAGING) { PrintDebug("Guest Paging Mode: SHADOW_PAGING\n"); } else { @@ -311,11 +327,12 @@ static int determine_paging_mode(struct guest_info *info, v3_cfg_tree_t * core_c return -1; } - if (strcasecmp(v3_cfg_val(pg_tree, "large_pages"), "true") == 0) { - info->use_large_pages = 1; - PrintDebug("Use of large pages in memory virtualization enabled.\n"); + if (v3_cfg_val(pg_tree, "large_pages") != NULL) { + if (strcasecmp(v3_cfg_val(pg_tree, "large_pages"), "true") == 0) { + info->use_large_pages = 1; + PrintDebug("Use of large pages in memory virtualization enabled.\n"); + } } - return 0; } @@ -373,11 +390,6 @@ static int post_config_vm(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { return -1; } - if (v3_inject_mptable(vm)==-1) { - PrintError("Failed to inject mptable during configuration\n"); - return -1; - } - return 0; } @@ -385,7 +397,7 @@ static int post_config_vm(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { static int post_config_core(struct guest_info * info, v3_cfg_tree_t * cfg) { - + info->core_run_state = CORE_STOPPED; if (info->vm_info->vm_class == V3_PC_VM) { if (post_config_pc_core(info, cfg) == -1) { @@ -479,6 +491,7 @@ struct v3_vm_info * v3_config_guest(void * cfg_blob) { info->cpu_id = i; info->vm_info = vm; + info->core_cfg_data = per_core_cfg; if (pre_config_core(info, per_core_cfg) == -1) { PrintError("Error in core %d preconfiguration\n", i); @@ -546,12 +559,12 @@ static int setup_devices(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { while (device) { - char * id = v3_cfg_val(device, "id"); + char * dev_class = v3_cfg_val(device, "class"); - V3_Print("configuring device %s\n", id); + V3_Print("configuring device %s\n", dev_class); - if (v3_create_device(vm, id, device) == -1) { - PrintError("Error creating device %s\n", id); + if (v3_create_device(vm, dev_class, device) == -1) { + PrintError("Error creating device %s\n", dev_class); return -1; }