X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_config.c;h=e4c9b4fabc6e3bc89256fb3976ce2e61c12c7340;hb=88a3605446744969abe6f193a7bc20e62d5aa555;hp=dfb797442167ca18972cf109b2250bc5cd15f928;hpb=0e3fe455f4c490dc4c5d9412decf2420b905b3e9;p=palacios.git diff --git a/palacios/src/palacios/vmm_config.c b/palacios/src/palacios/vmm_config.c index dfb7974..e4c9b4f 100644 --- a/palacios/src/palacios/vmm_config.c +++ b/palacios/src/palacios/vmm_config.c @@ -1,280 +1,804 @@ + /* + * This file is part of the Palacios Virtual Machine Monitor developed + * by the V3VEE Project with funding from the United States National + * Science Foundation and the Department of Energy. + * + * The V3VEE Project is a joint project between Northwestern University + * and the University of New Mexico. You can find out more at + * http://www.v3vee.org + * + * Copyright (c) 2008, Jack Lange + * Copyright (c) 2008, The V3VEE Project + * All rights reserved. + * + * Author: Jack Lange + * + * This is free software. You are permitted to use, + * redistribute, and modify it as specified in the file "V3VEE_LICENSE". + */ + #include #include #include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + + +#ifdef V3_CONFIG_SWAPPING +#include +#endif -#include -#include -#include -#include -#include -#include - - - -int config_guest(struct guest_info * info, void * config_ptr) { - - struct guest_mem_layout * layout = (struct guest_mem_layout *)config_ptr; - extern v3_cpu_arch_t v3_cpu_type; - void * region_start; - int i; - - - v3_init_time(info); - init_shadow_map(info); - - if (v3_cpu_type == V3_SVM_REV3_CPU) { - info->shdw_pg_mode = NESTED_PAGING; - } else { - init_shadow_page_state(info); - info->shdw_pg_mode = SHADOW_PAGING; - } - - info->cpu_mode = REAL; - info->mem_mode = PHYSICAL_MEM; - - - init_vmm_io_map(info); - init_interrupt_state(info); - - dev_mgr_init(info); - - - // SerialPrint("Guest Mem Dump at 0x%x\n", 0x100000); - //PrintDebugMemDump((unsigned char *)(0x100000), 261 * 1024); - if (layout->magic != MAGIC_CODE) { - - PrintDebug("Layout Magic Mismatch (0x%x)\n", layout->magic); - return -1; - } - - PrintDebug("%d layout regions\n", layout->num_regions); - - region_start = (void *)&(layout->regions[layout->num_regions]); - - PrintDebug("region start = 0x%x\n", region_start); - - for (i = 0; i < layout->num_regions; i++) { - struct layout_region * reg = &(layout->regions[i]); - uint_t num_pages = (reg->length / PAGE_SIZE) + ((reg->length % PAGE_SIZE) ? 1 : 0); - void * guest_mem = V3_AllocPages(num_pages); - - PrintDebug("Layout Region %d bytes\n", reg->length); - memcpy(guest_mem, region_start, reg->length); - - PrintDebugMemDump((unsigned char *)(guest_mem), 16); - - add_shadow_region_passthrough(info, reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), (addr_t)guest_mem); - - PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n", reg->final_addr, reg->final_addr + (num_pages * PAGE_SIZE), guest_mem); +#ifdef V3_CONFIG_MULTIBOOT +#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_v0 { + uint32_t index; + uint32_t size; + uint64_t offset; +}; + +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_v0 hdrs[0]; +}; + +struct file_idx_table_v1 { + uint64_t num_files; + struct file_hdr_v1 hdrs[0]; +}; + + + + +static int setup_memory_map(struct v3_vm_info * vm, v3_cfg_tree_t * cfg); +static int setup_extensions(struct v3_vm_info * vm, v3_cfg_tree_t * cfg); +static int setup_devices(struct v3_vm_info * vm, v3_cfg_tree_t * cfg); + + + +char * v3_cfg_val(v3_cfg_tree_t * tree, char * tag) { + char * attrib = (char *)v3_xml_attr(tree, tag); + v3_cfg_tree_t * child_entry = v3_xml_child(tree, tag); + char * val = NULL; + + if ((child_entry != NULL) && (attrib != NULL)) { + PrintError(VM_NONE, VCORE_NONE, "Duplicate Configuration parameters present for %s\n", tag); + return NULL; + } + + if (attrib == NULL) { + val = v3_xml_txt(child_entry); + + if ( val[0] == 0 ) + val = NULL; + } else { + val = attrib; + } - region_start += reg->length; - } - - // - add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160)); - - add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000); - //hook_guest_mem(info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL); - - - // TEMP - //add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000); - - if (1) { - add_shadow_region_passthrough(info, 0xc7000, 0xc8000, (addr_t)V3_AllocPages(1)); - if (add_shadow_region_passthrough(info, 0xc8000, 0xf0000, (addr_t)V3_AllocPages(40)) == -1) { - PrintDebug("Error adding shadow region\n"); - } - } else { - add_shadow_region_passthrough(info, 0xc0000, 0xc8000, 0xc0000); - add_shadow_region_passthrough(info, 0xc8000, 0xf0000, 0xc8000); - } - - - //add_shadow_region_passthrough(info, 0x100000, 0x2000000, (addr_t)Allocate_VMM_Pages(8192)); - add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096)); - - add_shadow_region_passthrough(info, 0x1000000, 0x8000000, (addr_t)V3_AllocPages(32768)); - - // test - give linux accesss to PCI space - PAD - add_shadow_region_passthrough(info, 0xc0000000,0xffffffff,0xc0000000); - - - print_shadow_map(&(info->mem_map)); - - - { + return val; +} + +v3_cfg_tree_t * v3_cfg_subtree(v3_cfg_tree_t * tree, char * tag) { + return v3_xml_child(tree, tag); +} + +v3_cfg_tree_t * v3_cfg_next_branch(v3_cfg_tree_t * tree) { + return v3_xml_next(tree); +} + + + +struct v3_cfg_file * v3_cfg_get_file(struct v3_vm_info * vm, char * tag) { + struct v3_cfg_file * file = NULL; + + file = (struct v3_cfg_file *)v3_htable_search(vm->cfg_data->file_table, (addr_t)tag); + + return file; +} + + +static uint_t file_hash_fn(addr_t key) { + char * name = (char *)key; + return v3_hash_buffer((uchar_t *)name, strlen(name)); +} + +static int file_eq_fn(addr_t key1, addr_t key2) { + char * name1 = (char *)key1; + char * name2 = (char *)key2; + + return (strcmp(name1, name2) == 0); +} + +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_v0 * files_v0 = NULL; + struct file_idx_table_v1 * files_v1 = NULL; + v3_cfg_tree_t * file_tree = NULL; + int version=-1; + + V3_Print(VM_NONE, VCORE_NONE, "cfg data at %p\n", cfg_blob); + + 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; + } + + 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(VM_NONE, VCORE_NONE, "Unable to allocate while parsing\n"); + return NULL; + } + + memset(cfg, 0, sizeof(struct v3_config)); + + cfg->blob = cfg_blob; + INIT_LIST_HEAD(&(cfg->file_list)); + cfg->file_table = v3_create_htable(0, file_hash_fn, file_eq_fn); + + if (!(cfg->file_table)) { + PrintError(VM_NONE, VCORE_NONE, "Unable to allocate hash table while parsing\n"); + V3_Free(cfg); + return NULL; + } - struct vm_device * nvram = create_nvram(); - //struct vm_device * timer = create_timer(); - struct vm_device * pic = create_pic(); - struct vm_device * keyboard = create_keyboard(); - struct vm_device * pit = create_pit(); - //struct vm_device * serial = create_serial(); + xml_len = *(uint32_t *)(cfg_blob + offset); + offset += 4; + + cfg->cfg = (v3_cfg_tree_t *)v3_xml_parse((uint8_t *)(cfg_blob + offset)); + offset += xml_len; + + offset += 8; + + // 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)); + } + + + file_tree = v3_cfg_subtree(v3_cfg_subtree(cfg->cfg, "files"), "file"); + + while (file_tree) { + char * id = v3_cfg_val(file_tree, "id"); + char * index = v3_cfg_val(file_tree, "index"); + int idx = atoi(index); + struct v3_cfg_file * file = NULL; + + file = (struct v3_cfg_file *)V3_Malloc(sizeof(struct v3_cfg_file)); + + if (!file) { + 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(VM_NONE, VCORE_NONE, "File index=%d id=%s\n", idx, id); + + strncpy(file->tag, id, V3_MAX_TAG_LEN); + file->tag[V3_MAX_TAG_LEN-1] = 0 ; + + 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(VM_NONE, VCORE_NONE, "Keying file to name\n"); + v3_htable_insert(cfg->file_table, (addr_t)(file->tag), (addr_t)(file)); + + V3_Print(VM_NONE, VCORE_NONE, "Iterating to next file\n"); + + file_tree = v3_cfg_next_branch(file_tree); + } + + V3_Print(VM_NONE, VCORE_NONE, "Configuration parsed successfully\n"); + + return cfg; +} + + +static inline uint32_t get_alignment(char * align_str) { + // default is 4KB alignment + uint32_t alignment = PAGE_SIZE_4KB; + + if (align_str != NULL) { + if (strcasecmp(align_str, "2MB") == 0) { + alignment = PAGE_SIZE_2MB; + } else if (strcasecmp(align_str, "4MB") == 0) { + alignment = PAGE_SIZE_4MB; + } + } +#ifndef V3_CONFIG_ALIGNED_PG_ALLOC + if (alignment != PAGE_SIZE_4KB) { + 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"); + alignment = PAGE_SIZE_4KB; + } +#endif + + return alignment; +} + + + +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(VM_NONE, VCORE_NONE, "Memory is a required configuration parameter\n"); + return -1; + } -#define GENERIC 1 + PrintDebug(VM_NONE, VCORE_NONE, "Memory=%s\n", memory_str); + if (align_str) { + PrintDebug(VM_NONE, VCORE_NONE, "Alignment=%s\n", align_str); + } else { + 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); + + // set up defaults for memory management for threads associated + // with this VM + vm->resource_control.pg_alignment=vm->mem_align; + vm->resource_control.pg_node_id=-1; -#if GENERIC - generic_port_range_type range[] = { -#if 1 - {0x00, 0x07, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channels 0,1,2,3 (address, counter) - {0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channels 4,5,6,7 (address, counter) - {0x87, 0x87, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channel 0 page register - {0x83, 0x83, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channel 1 page register - {0x81, 0x81, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channel 2 page register - {0x82, 0x82, GENERIC_PRINT_AND_IGNORE}, // DMA 1 channel 3 page register - {0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channel 4 page register - {0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channel 5 page register - {0x89, 0x89, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channel 6 page register - {0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE}, // DMA 2 channel 7 page register - {0x08, 0x0f, GENERIC_PRINT_AND_IGNORE}, // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask) - {0xd0, 0xde, GENERIC_PRINT_AND_IGNORE}, // DMA 2 misc registers -#endif - - - {0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE}, // COM 1 - {0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE}, // COM 2 - {0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE}, // COM 3 - {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE}, // COM 4 - -#if 0 - {0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1 - {0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1 - {0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0 - {0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0 +#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 - - -#if 0 - {0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (base,statusa/statusb,DOR) - {0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (mainstat/datarate,data) - {0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE}, // Primary floppy controller (DIR) - {0x370, 0x372, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (base,statusa/statusb,DOR) - {0x374, 0x375, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (mainstat/datarate,data) - {0x377, 0x377, GENERIC_PRINT_AND_IGNORE}, // Secondary floppy controller (DIR) - + + 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(VM_NONE, VCORE_NONE, "Invalid VM class\n"); + return -1; + } + +#ifdef V3_CONFIG_TELEMETRY + { + char * telemetry = v3_cfg_val(vm_cfg, "telemetry"); + + // This should go first, because other subsystems will depend on the guest_info flag + if ((telemetry) && (strcasecmp(telemetry, "enable") == 0)) { + vm->enable_telemetry = 1; + } else { + vm->enable_telemetry = 0; + } + } #endif - // {0x378, 0x400, GENERIC_PRINT_AND_IGNORE} - - {0,0,0}, // sentinal - must be last - - }; - + if (v3_init_vm(vm) == -1) { + PrintError(VM_NONE, VCORE_NONE, "Failed to initialize VM\n"); + return -1; + } - struct vm_device * generic = create_generic(range, NULL, NULL); - +#ifdef V3_CONFIG_MULTIBOOT + if (v3_init_multiboot_vm(vm,vm_cfg)) { + PrintError(vm,VCORE_NONE,"Cannot initialize Multiboot for VM\n"); + return -1; + } #endif - - v3_attach_device(info, nvram); - //v3_attach_device(info, timer); - v3_attach_device(info, pic); - v3_attach_device(info, pit); - v3_attach_device(info, keyboard); - // v3_attach_device(info, serial); +#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(VM_NONE, VCORE_NONE, "CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), + (void *)(addr_t)sched_hz); -#if GENERIC - // Important that this be attached last! - v3_attach_device(info, generic); + vm->yield_cycle_period = (V3_CPU_KHZ() * 1000) / sched_hz; -#endif + return 0; +} + + +static int determine_paging_mode(struct guest_info * info, v3_cfg_tree_t * core_cfg) { + extern v3_cpu_arch_t v3_mach_type; + + 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"); - PrintDebugDevMgr(info); - } - - // give keyboard interrupts to vm - // no longer needed since we have a keyboard device - //hook_irq(&vm_info, 1); - -#if 1 - // give floppy controller to vm - v3_hook_irq_for_guest_injection(info, 6); + PrintDebug(info->vm_info, info, "Paging mode specified as %s\n", pg_mode); + + if (pg_mode) { + if ((strcasecmp(pg_mode, "nested") == 0)) { + // we assume symmetric cores, so if core 0 has nested paging they all do + if ((v3_mach_type == V3_SVM_REV3_CPU) || + (v3_mach_type == V3_VMX_EPT_CPU) || + (v3_mach_type == V3_VMX_EPT_UG_CPU)) { + + V3_Print(info->vm_info, info, "Setting paging mode to NESTED\n"); + info->shdw_pg_mode = NESTED_PAGING; + } else { + 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(info->vm_info, info, "Setting paging mode to SHADOW\n"); + info->shdw_pg_mode = SHADOW_PAGING; + } else { + 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(info->vm_info, info, "No paging type specified in configuration. Defaulting to shadow paging\n"); + info->shdw_pg_mode = SHADOW_PAGING; + } + + + 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(info->vm_info, info, "Use of large pages in memory virtualization enabled.\n"); + } + } + return 0; +} + +static int pre_config_core(struct guest_info * info, v3_cfg_tree_t * core_cfg) { + if (determine_paging_mode(info, core_cfg) != 0) { + return -1; + } + + if (v3_init_core(info) == -1) { + PrintError(info->vm_info, info, "Error Initializing Core\n"); + return -1; + } + +#ifdef V3_CONFIG_MULTIBOOT + if (v3_init_multiboot_core(info)) { + PrintError(info->vm_info, info, "Error Initializing Multiboot Core\n"); + return -1; + } #endif - -#if 1 - //primary ide - v3_hook_irq_for_guest_injection(info, 14); - - // secondary ide - v3_hook_irq_for_guest_injection(info, 15); +#ifdef V3_CONFIG_HVM + if (v3_init_hvm_core(info)) { + PrintError(info->vm_info, info, "Error Initializing HVM Core\n"); + return -1; + } #endif - - info->rip = 0xfff0; - info->vm_regs.rsp = 0x0; - + if (info->vm_info->vm_class == V3_PC_VM) { + if (pre_config_pc_core(info, core_cfg) == -1) { + PrintError(info->vm_info, info, "PC Post configuration failure\n"); + return -1; + } + } else { + PrintError(info->vm_info, info, "Invalid VM Class\n"); + return -1; + } - return 0; + return 0; } +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(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(vm, VCORE_NONE,"PC Post configuration failure\n"); + return -1; + } + } else { + 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(vm, VCORE_NONE,"Failed to setup devices\n"); + return -1; + } + // v3_print_io_map(info); + v3_print_msr_map(vm); + /* + * Initialize configured extensions + */ + if (setup_extensions(vm, cfg) == -1) { + 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; + } + vm->run_state = VM_STOPPED; + return 0; +} -#if 0 - - if (0) { - - // add_shared_mem_range(&(vm_info.mem_layout), 0, 0x800000, 0x10000); - // add_shared_mem_range(&(vm_info.mem_layout), 0, 0x1000000, 0); - - rip = (ulong_t)(void*)&BuzzVM; - // rip -= 0x10000; - // rip = (addr_t)(void*)&exit_test; - // rip -= 0x2000; - vm_info.rip = rip; - rsp = (addr_t)Alloc_Page(); - - vm_info.vm_regs.rsp = (rsp +4092 );// - 0x2000; - - - } else if (0) { - //add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x1000, 0x100000); - // add_shared_mem_range(&(vm_info.mem_layout), 0x0, 0x100000, 0x0); - - /* - shadow_region_t *ent = Malloc(sizeof(shadow_region_t));; - init_shadow_region_physical(ent,0,0x100000,GUEST_REGION_PHYSICAL_MEMORY, - 0x100000, HOST_REGION_PHYSICAL_MEMORY); - add_shadow_region(&(vm_info.mem_map),ent); - */ - - add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000); - - v3_hook_io_port(&vm_info, 0x61, &IO_Read, &IO_Write, NULL); - v3_hook_io_port(&vm_info, 0x05, &IO_Read, &IO_Write_to_Serial, NULL); - - /* - vm_info.cr0 = 0; - vm_info.cs.base=0xf000; - vm_info.cs.limit=0xffff; - */ - //vm_info.rip = 0xfff0; - - vm_info.rip = 0; - vm_info.vm_regs.rsp = 0x0; +static int post_config_core(struct guest_info * info, v3_cfg_tree_t * cfg) { + + + if (v3_init_core_extensions(info) == -1) { + 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(info->vm_info, info, "PC Post configuration failure\n"); + return -1; + } } else { + PrintError(info->vm_info, info, "Invalid VM Class\n"); + return -1; + } + + + return 0; +} + + + +static struct v3_vm_info * allocate_guest(int num_cores) { + int guest_state_size = sizeof(struct v3_vm_info) + (sizeof(struct guest_info) * num_cores); + struct v3_vm_info * vm = V3_Malloc(guest_state_size); + + if (!vm) { + PrintError(VM_NONE, VCORE_NONE, "Unable to allocate space for guest data structures\n"); + return NULL; + } + + int i = 0; + + memset(vm, 0, guest_state_size); + + vm->num_cores = num_cores; + + for (i = 0; i < num_cores; i++) { + vm->cores[i].core_run_state = CORE_INVALID; + } + + vm->run_state = VM_INVALID; + + return vm; +} + +/* + +*/ + + +struct v3_vm_info * v3_config_guest(void * cfg_blob, void * priv_data) { + extern v3_cpu_arch_t v3_mach_type; + struct v3_config * cfg_data = NULL; + struct v3_vm_info * vm = NULL; + int num_cores = 0; + int i = 0; + v3_cfg_tree_t * cores_cfg = NULL; + v3_cfg_tree_t * per_core_cfg = NULL; + + + if (v3_mach_type == V3_INVALID_CPU) { + PrintError(VM_NONE, VCORE_NONE, "Configuring guest on invalid CPU\n"); + return NULL; + } + + cfg_data = parse_config(cfg_blob); + + + if (!cfg_data) { + 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(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(VM_NONE, VCORE_NONE, "No cores specified in configuration\n"); + return NULL; + } + + V3_Print(VM_NONE, VCORE_NONE, "Configuring %d cores\n", num_cores); + + vm = allocate_guest(num_cores); + + if (!vm) { + PrintError(VM_NONE, VCORE_NONE, "Could not allocate %d core guest\n", num_cores); + return NULL; + } + +#ifdef V3_CONFIG_CACHEPART + // Need to initialize cache management and resource control + // as early as possible so that allocations are done accordingly + if (v3_init_cachepart_vm(vm,cfg_data->cfg)) { + PrintError(VM_NONE, VCORE_NONE, "Could not initialize cache partioning\n"); + V3_Free(vm); + return NULL; + } #endif + + vm->host_priv_data = priv_data; + + vm->cfg_data = cfg_data; + + V3_Print(vm, VCORE_NONE, "Preconfiguration\n"); + + if (pre_config_vm(vm, vm->cfg_data->cfg) == -1) { + PrintError(vm, VCORE_NONE, "Error in preconfiguration, attempting to free\n"); + vm->run_state=VM_ERROR; + v3_free_vm(vm); + return NULL; + } + + V3_Print(vm, VCORE_NONE, "Per core configuration\n"); + per_core_cfg = v3_cfg_subtree(cores_cfg, "core"); + + // per core configuration + for (i = 0; i < vm->num_cores; i++) { + struct guest_info * info = &(vm->cores[i]); + + info->vcpu_id = i; + info->vm_info = vm; + info->core_cfg_data = per_core_cfg; + + if (pre_config_core(info, per_core_cfg) == -1) { + 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; + } + + + per_core_cfg = v3_cfg_next_branch(per_core_cfg); + } + + + V3_Print(vm, VCORE_NONE, "Post Configuration\n"); + + if (post_config_vm(vm, vm->cfg_data->cfg) == -1) { + PrintError(vm, VCORE_NONE, "Error in postconfiguration, attempting to free guest\n"); + vm->run_state=VM_ERROR; + v3_free_vm(vm); + return NULL; + } + + + per_core_cfg = v3_cfg_subtree(cores_cfg, "core"); + + // per core configuration + for (i = 0; i < vm->num_cores; i++) { + struct guest_info * info = &(vm->cores[i]); + + post_config_core(info, per_core_cfg); + + per_core_cfg = v3_cfg_next_branch(per_core_cfg); + } + + V3_Print(vm, VCORE_NONE, "Configuration successfull\n"); + + return vm; +} + + + +int v3_free_config(struct v3_vm_info * vm) { + + v3_free_htable(vm->cfg_data->file_table, 1, 0); + + v3_xml_free(vm->cfg_data->cfg); + + V3_Free(vm->cfg_data); + return 0; +} + + + + +static int setup_memory_map(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { + v3_cfg_tree_t * mem_region = v3_cfg_subtree(v3_cfg_subtree(cfg, "memmap"), "region"); + + while (mem_region) { + addr_t start_addr = atox(v3_cfg_val(mem_region, "start")); + addr_t end_addr = atox(v3_cfg_val(mem_region, "end")); + addr_t host_addr = atox(v3_cfg_val(mem_region, "host_addr")); + + + if (v3_add_shadow_mem(vm, V3_MEM_CORE_ANY, start_addr, end_addr, host_addr) == -1) { + PrintError(vm, VCORE_NONE,"Could not map memory region: %p-%p => %p\n", + (void *)start_addr, (void *)end_addr, (void *)host_addr); + return -1; + } + + mem_region = v3_cfg_next_branch(mem_region); + } + + return 0; +} + + +static int setup_extensions(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { + v3_cfg_tree_t * extension = v3_cfg_subtree(v3_cfg_subtree(cfg, "extensions"), "extension"); + + while (extension) { + char * ext_name = v3_cfg_val(extension, "name"); + + if (!ext_name) { + PrintError(vm, VCORE_NONE, "Extension has no name\n"); + return -1; + } + + V3_Print(vm, VCORE_NONE, "Configuring extension %s\n", ext_name); + + if (v3_add_extension(vm, ext_name, extension) == -1) { + PrintError(vm, VCORE_NONE, "Error adding extension %s\n", ext_name); + return -1; + } + + extension = v3_cfg_next_branch(extension); + } + + return 0; +} + + +static int setup_devices(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { + v3_cfg_tree_t * device = v3_cfg_subtree(v3_cfg_subtree(cfg, "devices"), "device"); + + + while (device) { + char * dev_class = v3_cfg_val(device, "class"); + + V3_Print(vm, VCORE_NONE, "configuring device %s\n", dev_class); + + if (v3_create_device(vm, dev_class, device) == -1) { + PrintError(vm, VCORE_NONE, "Error creating device %s\n", dev_class); + return -1; + } + + device = v3_cfg_next_branch(device); + } + + v3_print_dev_mgr(vm); + + return 0; +} + + +