X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_config.c;h=38cfb70a787049a921e793599977a5bc832df381;hb=60ad6a41c6d0ee08ed689e8505eb0c3df0c2a289;hp=9125d2e136bf1f12a28f8800184006e515c467cc;hpb=38d4628c6eb960164ae8d7c6fffe3820b9d6acb9;p=palacios.git diff --git a/palacios/src/palacios/vmm_config.c b/palacios/src/palacios/vmm_config.c index 9125d2e..38cfb70 100644 --- a/palacios/src/palacios/vmm_config.c +++ b/palacios/src/palacios/vmm_config.c @@ -33,23 +33,53 @@ #include +#ifdef V3_CONFIG_SWAPPING +#include +#endif - +#ifdef V3_CONFIG_HVM +#include +#endif #include +#include #include "vmm_config_class.h" + +/* The Palacios cookie encodes "v3vee" followed by a + 3 byte version code. There are currently two versions: + + \0\0\0 => original (no checksum) + \0\0\1 => checksum +*/ +#define COOKIE_LEN 8 +#define COOKIE_V0 "v3vee\0\0\0" +#define COOKIE_V1 "v3vee\0\0\1" + // This is used to access the configuration file index table -struct file_hdr { +struct file_hdr_v0 { uint32_t index; uint32_t size; uint64_t offset; }; -struct file_idx_table { +struct file_hdr_v1 { + uint32_t index; + uint32_t size; + uint64_t offset; + ulong_t hash; +}; + + +struct file_idx_table_v0 { uint64_t num_files; - struct file_hdr hdrs[0]; + struct file_hdr_v0 hdrs[0]; +}; + +struct file_idx_table_v1 { + uint64_t num_files; + struct file_hdr_v1 hdrs[0]; }; @@ -67,7 +97,7 @@ char * v3_cfg_val(v3_cfg_tree_t * tree, char * tag) { char * val = NULL; if ((child_entry != NULL) && (attrib != NULL)) { - PrintError("Duplicate Configuration parameters present for %s\n", tag); + PrintError(VM_NONE, VCORE_NONE, "Duplicate Configuration parameters present for %s\n", tag); return NULL; } @@ -118,22 +148,30 @@ static struct v3_config * parse_config(void * cfg_blob) { struct v3_config * cfg = NULL; int offset = 0; uint_t xml_len = 0; - struct file_idx_table * files = NULL; + struct file_idx_table_v0 * files_v0 = NULL; + struct file_idx_table_v1 * files_v1 = NULL; v3_cfg_tree_t * file_tree = NULL; + int version=-1; - V3_Print("cfg data at %p\n", cfg_blob); + V3_Print(VM_NONE, VCORE_NONE, "cfg data at %p\n", cfg_blob); - if (memcmp(cfg_blob, "v3vee\0\0\0", 8) != 0) { - PrintError("Invalid Configuration Header\n"); + if (memcmp(cfg_blob, COOKIE_V0, COOKIE_LEN) == 0) { + version = 0; + } else if (memcmp(cfg_blob, COOKIE_V1, COOKIE_LEN) == 0) { + version = 1; + } else { + PrintError(VM_NONE, VCORE_NONE, "Invalid Configuration Header Or Unknown Version\n"); return NULL; - } + } - offset += 8; + V3_Print(VM_NONE, VCORE_NONE, "Handling Palacios Image Format, Version 0x%x\n",version); + + offset += COOKIE_LEN; cfg = (struct v3_config *)V3_Malloc(sizeof(struct v3_config)); if (!cfg) { - PrintError("Unable to allocate while parsing\n"); + PrintError(VM_NONE, VCORE_NONE, "Unable to allocate while parsing\n"); return NULL; } @@ -144,7 +182,7 @@ static struct v3_config * parse_config(void * cfg_blob) { cfg->file_table = v3_create_htable(0, file_hash_fn, file_eq_fn); if (!(cfg->file_table)) { - PrintError("Unable to allocate hash table while parsing\n"); + PrintError(VM_NONE, VCORE_NONE, "Unable to allocate hash table while parsing\n"); V3_Free(cfg); return NULL; } @@ -157,9 +195,15 @@ static struct v3_config * parse_config(void * cfg_blob) { offset += 8; - files = (struct file_idx_table *)(cfg_blob + offset); + // This is hideous, but the file formats are still very close + if (version==0) { + files_v0 = (struct file_idx_table_v0 *)(cfg_blob + offset); + V3_Print(VM_NONE, VCORE_NONE, "Number of files in cfg: %d\n", (uint32_t)(files_v0->num_files)); + } else { + files_v1 = (struct file_idx_table_v1 *)(cfg_blob + offset); + V3_Print(VM_NONE, VCORE_NONE, "Number of files in cfg: %d\n", (uint32_t)(files_v1->num_files)); + } - V3_Print("Number of files in cfg: %d\n", (uint32_t)(files->num_files)); file_tree = v3_cfg_subtree(v3_cfg_subtree(cfg->cfg, "files"), "file"); @@ -167,37 +211,63 @@ static struct v3_config * parse_config(void * cfg_blob) { char * id = v3_cfg_val(file_tree, "id"); char * index = v3_cfg_val(file_tree, "index"); int idx = atoi(index); - struct file_hdr * hdr = &(files->hdrs[idx]); struct v3_cfg_file * file = NULL; file = (struct v3_cfg_file *)V3_Malloc(sizeof(struct v3_cfg_file)); if (!file) { - PrintError("Could not allocate file structure\n"); + PrintError(VM_NONE, VCORE_NONE, "Could not allocate file structure\n"); v3_free_htable(cfg->file_table,0,0); V3_Free(cfg); return NULL; } - V3_Print("File index=%d id=%s\n", idx, id); + V3_Print(VM_NONE, VCORE_NONE, "File index=%d id=%s\n", idx, id); strncpy(file->tag, id, V3_MAX_TAG_LEN); - file->size = hdr->size; - file->data = cfg_blob + hdr->offset; - V3_Print("Storing file data offset = %d, size=%d\n", (uint32_t)hdr->offset, hdr->size); - V3_Print("file data at %p\n", file->data); + if (version==0) { + struct file_hdr_v0 * hdr = &(files_v0->hdrs[idx]); + + file->size = hdr->size; + file->data = cfg_blob + hdr->offset; + file->hash = 0; + + V3_Print(VM_NONE, VCORE_NONE, "Storing file data offset = %d, size=%d\n", (uint32_t)hdr->offset, hdr->size); + V3_Print(VM_NONE, VCORE_NONE, "file data at %p\n", file->data); + + } else if (version==1) { + struct file_hdr_v1 * hdr = &(files_v1->hdrs[idx]); + unsigned long hash; + + file->size = hdr->size; + file->data = cfg_blob + hdr->offset; + file->hash = hdr->hash; + + V3_Print(VM_NONE, VCORE_NONE, "Storing file data offset = %d, size=%d\n", (uint32_t)hdr->offset, hdr->size); + V3_Print(VM_NONE, VCORE_NONE, "file data at %p\n", file->data); + V3_Print(VM_NONE, VCORE_NONE, "Checking file data integrity...\n"); + if ((hash = v3_hash_buffer(file->data, file->size)) != file->hash) { + PrintError(VM_NONE, VCORE_NONE, "File data corrupted! (orig hash=0x%lx, new=0x%lx\n", + file->hash, hash); + return NULL; + } + V3_Print(VM_NONE, VCORE_NONE, "File data OK\n"); + + } + + list_add( &(file->file_node), &(cfg->file_list)); - V3_Print("Keying file to name\n"); + V3_Print(VM_NONE, VCORE_NONE, "Keying file to name\n"); v3_htable_insert(cfg->file_table, (addr_t)(file->tag), (addr_t)(file)); - V3_Print("Iterating to next file\n"); + V3_Print(VM_NONE, VCORE_NONE, "Iterating to next file\n"); file_tree = v3_cfg_next_branch(file_tree); } - V3_Print("Configuration parsed successfully\n"); + V3_Print(VM_NONE, VCORE_NONE, "Configuration parsed successfully\n"); return cfg; } @@ -217,8 +287,8 @@ static inline uint32_t get_alignment(char * align_str) { #ifndef V3_CONFIG_ALIGNED_PG_ALLOC if (alignment != PAGE_SIZE_4KB) { - PrintError("Aligned page allocations are not supported in this host (requested alignment=%d)\n", alignment); - PrintError("Ignoring alignment request\n"); + PrintError(VM_NONE, VCORE_NONE, "Aligned page allocations are not supported in this host (requested alignment=%d)\n", alignment); + PrintError(VM_NONE, VCORE_NONE, "Ignoring alignment request\n"); } #endif @@ -226,37 +296,49 @@ static inline uint32_t get_alignment(char * align_str) { } + static int pre_config_vm(struct v3_vm_info * vm, v3_cfg_tree_t * vm_cfg) { char * memory_str = v3_cfg_val(vm_cfg, "memory"); char * schedule_hz_str = v3_cfg_val(vm_cfg, "schedule_hz"); char * vm_class = v3_cfg_val(vm_cfg, "class"); char * align_str = v3_cfg_val(v3_cfg_subtree(vm_cfg, "memory"), "alignment"); uint32_t sched_hz = 100; // set the schedule frequency to 100 HZ - + if (!memory_str) { - PrintError("Memory is a required configuration parameter\n"); + PrintError(VM_NONE, VCORE_NONE, "Memory is a required configuration parameter\n"); return -1; } - PrintDebug("Memory=%s\n", memory_str); + PrintDebug(VM_NONE, VCORE_NONE, "Memory=%s\n", memory_str); if (align_str) { - PrintDebug("Alignment=%s\n", align_str); + PrintDebug(VM_NONE, VCORE_NONE, "Alignment=%s\n", align_str); } else { - PrintDebug("Alignment defaulted to 4KB.\n"); + PrintDebug(VM_NONE, VCORE_NONE, "Alignment defaulted to 4KB.\n"); } // Amount of ram the Guest will have, always in MB vm->mem_size = (addr_t)atoi(memory_str) * 1024 * 1024; vm->mem_align = get_alignment(align_str); - - - PrintDebug("Alignment for %lu bytes of memory computed as 0x%x\n", vm->mem_size, vm->mem_align); + +#ifdef V3_CONFIG_SWAPPING + if (v3_init_swapping_vm(vm,vm_cfg)) { + PrintError(vm,VCORE_NONE,"Unable to initialize swapping correctly\n"); + return -1; + } + if (vm->swap_state.enable_swapping) { + PrintDebug(vm,VCORE_NONE,"Swapping enabled\n"); + } else { + PrintDebug(vm,VCORE_NONE,"Swapping disabled\n"); + } +#endif + + PrintDebug(VM_NONE, VCORE_NONE, "Alignment for %lu bytes of memory computed as 0x%x\n", vm->mem_size, vm->mem_align); if (strcasecmp(vm_class, "PC") == 0) { vm->vm_class = V3_PC_VM; } else { - PrintError("Invalid VM class\n"); + PrintError(VM_NONE, VCORE_NONE, "Invalid VM class\n"); return -1; } @@ -274,17 +356,22 @@ static int pre_config_vm(struct v3_vm_info * vm, v3_cfg_tree_t * vm_cfg) { #endif if (v3_init_vm(vm) == -1) { - PrintError("Failed to initialize VM\n"); + PrintError(VM_NONE, VCORE_NONE, "Failed to initialize VM\n"); return -1; } - +#ifdef V3_CONFIG_HVM + if (v3_init_hvm_vm(vm,vm_cfg)) { + PrintError(vm,VCORE_NONE,"Cannot initialize HVM for VM\n"); + return -1; + } +#endif if (schedule_hz_str) { sched_hz = atoi(schedule_hz_str); } - PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), + PrintDebug(VM_NONE, VCORE_NONE, "CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)(addr_t)sched_hz); vm->yield_cycle_period = (V3_CPU_KHZ() * 1000) / sched_hz; @@ -300,7 +387,7 @@ static int determine_paging_mode(struct guest_info * info, v3_cfg_tree_t * core_ v3_cfg_tree_t * pg_tree = v3_cfg_subtree(vm_tree, "paging"); char * pg_mode = v3_cfg_val(pg_tree, "mode"); - PrintDebug("Paging mode specified as %s\n", pg_mode); + PrintDebug(info->vm_info, info, "Paging mode specified as %s\n", pg_mode); if (pg_mode) { if ((strcasecmp(pg_mode, "nested") == 0)) { @@ -309,21 +396,21 @@ static int determine_paging_mode(struct guest_info * info, v3_cfg_tree_t * core_ (v3_mach_type == V3_VMX_EPT_CPU) || (v3_mach_type == V3_VMX_EPT_UG_CPU)) { - V3_Print("Setting paging mode to NESTED\n"); + V3_Print(info->vm_info, info, "Setting paging mode to NESTED\n"); info->shdw_pg_mode = NESTED_PAGING; } else { - PrintError("Nested paging not supported on this hardware. Defaulting to shadow paging\n"); + PrintError(info->vm_info, info, "Nested paging not supported on this hardware. Defaulting to shadow paging\n"); info->shdw_pg_mode = SHADOW_PAGING; } } else if ((strcasecmp(pg_mode, "shadow") == 0)) { - V3_Print("Setting paging mode to SHADOW\n"); + V3_Print(info->vm_info, info, "Setting paging mode to SHADOW\n"); info->shdw_pg_mode = SHADOW_PAGING; } else { - PrintError("Invalid paging mode (%s) specified in configuration. Defaulting to shadow paging\n", pg_mode); + PrintError(info->vm_info, info, "Invalid paging mode (%s) specified in configuration. Defaulting to shadow paging\n", pg_mode); info->shdw_pg_mode = SHADOW_PAGING; } } else { - V3_Print("No paging type specified in configuration. Defaulting to shadow paging\n"); + V3_Print(info->vm_info, info, "No paging type specified in configuration. Defaulting to shadow paging\n"); info->shdw_pg_mode = SHADOW_PAGING; } @@ -331,7 +418,7 @@ static int determine_paging_mode(struct guest_info * info, v3_cfg_tree_t * core_ 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"); + PrintDebug(info->vm_info, info, "Use of large pages in memory virtualization enabled.\n"); } } return 0; @@ -343,17 +430,24 @@ static int pre_config_core(struct guest_info * info, v3_cfg_tree_t * core_cfg) { } if (v3_init_core(info) == -1) { - PrintError("Error Initializing Core\n"); + PrintError(info->vm_info, info, "Error Initializing Core\n"); + return -1; + } + +#ifdef V3_CONFIG_HVM + if (v3_init_hvm_core(info)) { + PrintError(info->vm_info, info, "Error Initializing HVM Core\n"); return -1; } +#endif if (info->vm_info->vm_class == V3_PC_VM) { if (pre_config_pc_core(info, core_cfg) == -1) { - PrintError("PC Post configuration failure\n"); + PrintError(info->vm_info, info, "PC Post configuration failure\n"); return -1; } } else { - PrintError("Invalid VM Class\n"); + PrintError(info->vm_info, info, "Invalid VM Class\n"); return -1; } @@ -368,27 +462,34 @@ static int post_config_vm(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { // Configure the memory map for the guest if (setup_memory_map(vm, cfg) == -1) { - PrintError("Setting up guest memory map failed...\n"); + PrintError(vm, VCORE_NONE,"Setting up guest memory map failed...\n"); return -1; } if (vm->vm_class == V3_PC_VM) { if (post_config_pc(vm, cfg) == -1) { - PrintError("PC Post configuration failure\n"); + PrintError(vm, VCORE_NONE,"PC Post configuration failure\n"); return -1; } } else { - PrintError("Invalid VM Class\n"); + PrintError(vm, VCORE_NONE,"Invalid VM Class\n"); return -1; } + + // Initialize fw_cfg state for VMM<->VM SEABIOS communication + if (v3_fw_cfg_init(vm) == -1) { + PrintError(vm, VCORE_NONE, "Error initializing Firmware Config (fw_cfg) state\n"); + return -1; + } + /* * Initialize configured devices */ if (setup_devices(vm, cfg) == -1) { - PrintError("Failed to setup devices\n"); + PrintError(vm, VCORE_NONE,"Failed to setup devices\n"); return -1; } @@ -403,7 +504,12 @@ static int post_config_vm(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { * Initialize configured extensions */ if (setup_extensions(vm, cfg) == -1) { - PrintError("Failed to setup extensions\n"); + PrintError(vm, VCORE_NONE,"Failed to setup extensions\n"); + return -1; + } + + if (v3_setup_performance_tuning(vm, cfg) == -1) { + PrintError(vm, VCORE_NONE,"Failed to configure performance tuning parameters\n"); return -1; } @@ -419,17 +525,17 @@ static int post_config_core(struct guest_info * info, v3_cfg_tree_t * cfg) { if (v3_init_core_extensions(info) == -1) { - PrintError("Error intializing extension core states\n"); + PrintError(info->vm_info, info, "Error intializing extension core states\n"); return -1; } if (info->vm_info->vm_class == V3_PC_VM) { if (post_config_pc_core(info, cfg) == -1) { - PrintError("PC Post configuration failure\n"); + PrintError(info->vm_info, info, "PC Post configuration failure\n"); return -1; } } else { - PrintError("Invalid VM Class\n"); + PrintError(info->vm_info, info, "Invalid VM Class\n"); return -1; } @@ -444,7 +550,7 @@ static struct v3_vm_info * allocate_guest(int num_cores) { struct v3_vm_info * vm = V3_Malloc(guest_state_size); if (!vm) { - PrintError("Unable to allocate space for guest data structures\n"); + PrintError(VM_NONE, VCORE_NONE, "Unable to allocate space for guest data structures\n"); return NULL; } @@ -475,36 +581,36 @@ struct v3_vm_info * v3_config_guest(void * cfg_blob, void * priv_data) { v3_cfg_tree_t * per_core_cfg = NULL; if (v3_mach_type == V3_INVALID_CPU) { - PrintError("Configuring guest on invalid CPU\n"); + PrintError(VM_NONE, VCORE_NONE, "Configuring guest on invalid CPU\n"); return NULL; } cfg_data = parse_config(cfg_blob); if (!cfg_data) { - PrintError("Could not parse configuration\n"); + PrintError(VM_NONE, VCORE_NONE, "Could not parse configuration\n"); return NULL; } cores_cfg = v3_cfg_subtree(cfg_data->cfg, "cores"); if (!cores_cfg) { - PrintError("Could not find core configuration (new config format required)\n"); + PrintError(VM_NONE, VCORE_NONE, "Could not find core configuration (new config format required)\n"); return NULL; } num_cores = atoi(v3_cfg_val(cores_cfg, "count")); if (num_cores == 0) { - PrintError("No cores specified in configuration\n"); + PrintError(VM_NONE, VCORE_NONE, "No cores specified in configuration\n"); return NULL; } - V3_Print("Configuring %d cores\n", num_cores); + V3_Print(VM_NONE, VCORE_NONE, "Configuring %d cores\n", num_cores); vm = allocate_guest(num_cores); if (!vm) { - PrintError("Could not allocate %d core guest\n", vm->num_cores); + PrintError(VM_NONE, VCORE_NONE, "Could not allocate %d core guest\n", vm->num_cores); return NULL; } @@ -512,14 +618,16 @@ struct v3_vm_info * v3_config_guest(void * cfg_blob, void * priv_data) { vm->cfg_data = cfg_data; - V3_Print("Preconfiguration\n"); + V3_Print(vm, VCORE_NONE, "Preconfiguration\n"); if (pre_config_vm(vm, vm->cfg_data->cfg) == -1) { - PrintError("Error in preconfiguration\n"); + PrintError(vm, VCORE_NONE, "Error in preconfiguration, attempting to free\n"); + vm->run_state=VM_ERROR; + v3_free_vm(vm); return NULL; } - V3_Print("Per core configuration\n"); + V3_Print(vm, VCORE_NONE, "Per core configuration\n"); per_core_cfg = v3_cfg_subtree(cores_cfg, "core"); // per core configuration @@ -531,7 +639,9 @@ struct v3_vm_info * v3_config_guest(void * cfg_blob, void * priv_data) { info->core_cfg_data = per_core_cfg; if (pre_config_core(info, per_core_cfg) == -1) { - PrintError("Error in core %d preconfiguration\n", i); + PrintError(vm, VCORE_NONE, "Error in core %d preconfiguration, attempting to free guest\n", i); + vm->run_state=VM_ERROR; + v3_free_vm(vm); return NULL; } @@ -540,10 +650,12 @@ struct v3_vm_info * v3_config_guest(void * cfg_blob, void * priv_data) { } - V3_Print("Post Configuration\n"); + V3_Print(vm, VCORE_NONE, "Post Configuration\n"); if (post_config_vm(vm, vm->cfg_data->cfg) == -1) { - PrintError("Error in postconfiguration\n"); + PrintError(vm, VCORE_NONE, "Error in postconfiguration, attempting to free guest\n"); + vm->run_state=VM_ERROR; + v3_free_vm(vm); return NULL; } @@ -559,7 +671,7 @@ struct v3_vm_info * v3_config_guest(void * cfg_blob, void * priv_data) { per_core_cfg = v3_cfg_next_branch(per_core_cfg); } - V3_Print("Configuration successfull\n"); + V3_Print(vm, VCORE_NONE, "Configuration successfull\n"); return vm; } @@ -589,7 +701,7 @@ static int setup_memory_map(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { if (v3_add_shadow_mem(vm, V3_MEM_CORE_ANY, start_addr, end_addr, host_addr) == -1) { - PrintError("Could not map memory region: %p-%p => %p\n", + PrintError(vm, VCORE_NONE,"Could not map memory region: %p-%p => %p\n", (void *)start_addr, (void *)end_addr, (void *)host_addr); return -1; } @@ -608,14 +720,14 @@ static int setup_extensions(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { char * ext_name = v3_cfg_val(extension, "name"); if (!ext_name) { - PrintError("Extension has no name\n"); + PrintError(vm, VCORE_NONE, "Extension has no name\n"); return -1; } - V3_Print("Configuring extension %s\n", ext_name); + V3_Print(vm, VCORE_NONE, "Configuring extension %s\n", ext_name); if (v3_add_extension(vm, ext_name, extension) == -1) { - PrintError("Error adding extension %s\n", ext_name); + PrintError(vm, VCORE_NONE, "Error adding extension %s\n", ext_name); return -1; } @@ -633,10 +745,10 @@ static int setup_devices(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { while (device) { char * dev_class = v3_cfg_val(device, "class"); - V3_Print("configuring device %s\n", dev_class); + V3_Print(vm, VCORE_NONE, "configuring device %s\n", dev_class); if (v3_create_device(vm, dev_class, device) == -1) { - PrintError("Error creating device %s\n", dev_class); + PrintError(vm, VCORE_NONE, "Error creating device %s\n", dev_class); return -1; }