-/*
+ /*
* 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.
#include <palacios/vmm_config.h>
#include <palacios/vmm.h>
#include <palacios/vmm_debug.h>
+#include <palacios/vmm_msr.h>
+#include <palacios/vmm_decoder.h>
+#include <palacios/vmm_telemetry.h>
+#include <palacios/vmm_mem.h>
+#include <palacios/vmm_hypercall.h>
+#include <palacios/vmm_dev_mgr.h>
+#include <palacios/vmm_cpuid.h>
+#include <palacios/vmm_xml.h>
+#include <palacios/vmm_io.h>
+#include <palacios/vmm_msr.h>
+#include <palacios/vmm_mptable.h>
+
+
-#include <devices/serial.h>
-#include <devices/keyboard.h>
-#include <devices/8259a.h>
-#include <devices/8254.h>
-#include <devices/nvram.h>
-#include <devices/generic.h>
-#include <devices/ramdisk.h>
-#include <devices/cdrom.h>
-#include <devices/bochs_debug.h>
#include <palacios/vmm_host_events.h>
+#include <palacios/vmm_socket.h>
+
+#include "vmm_config_class.h"
-#define USE_GENERIC 1
+// This is used to access the configuration file index table
+struct file_hdr {
+ uint32_t index;
+ uint32_t size;
+ uint64_t offset;
+};
+struct file_idx_table {
+ uint64_t num_files;
+ struct file_hdr hdrs[0];
+};
-#define ROMBIOS_START 0x000f0000
-#define VGABIOS_START 0x000c0000
+static int setup_memory_map(struct v3_vm_info * vm, v3_cfg_tree_t * cfg);
+static int setup_devices(struct v3_vm_info * vm, v3_cfg_tree_t * cfg);
-static int mem_test_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
- int foo = 20;
- memcpy(dst, &foo, length);
+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;
- PrintDebug("Passthrough mem read returning: %d (length=%d)\n", foo + (guest_addr & 0xfff), length);
- return length;
+ if ((child_entry != NULL) && (attrib != NULL)) {
+ PrintError("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;
+ }
+
+ return val;
}
-static int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
- memcpy(dst, (void*)guest_addr, length);
- return length;
+v3_cfg_tree_t * v3_cfg_subtree(v3_cfg_tree_t * tree, char * tag) {
+ return v3_xml_child(tree, tag);
}
-static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
- memcpy((void*)guest_addr, src, length);
- return length;
+v3_cfg_tree_t * v3_cfg_next_branch(v3_cfg_tree_t * tree) {
+ return v3_xml_next(tree);
}
-int v3_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
- extern v3_cpu_arch_t v3_cpu_type;
+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);
- int use_ramdisk = config_ptr->use_ramdisk;
- int use_generic = USE_GENERIC;
+ return file;
+}
- v3_init_time(info);
- init_shadow_map(info);
-
- if (v3_cpu_type == V3_SVM_REV3_CPU) {
- info->shdw_pg_mode = NESTED_PAGING;
- } else {
- v3_init_shadow_page_state(info);
- info->shdw_pg_mode = SHADOW_PAGING;
- }
-
- info->cpu_mode = REAL;
- info->mem_mode = PHYSICAL_MEM;
-
-
- v3_init_vmm_io_map(info);
- v3_init_interrupt_state(info);
-
- v3_init_dev_mgr(info);
+static uint_t file_hash_fn(addr_t key) {
+ char * name = (char *)key;
+ return v3_hash_buffer((uchar_t *)name, strlen(name));
+}
- v3_init_emulator(info);
-
- v3_init_host_events(info);
+static int file_eq_fn(addr_t key1, addr_t key2) {
+ char * name1 = (char *)key1;
+ char * name2 = (char *)key2;
-
+ return (strcmp(name1, name2) == 0);
+}
- /* layout rombios */
- {
- uint_t num_pages = (config_ptr->rombios_size + PAGE_SIZE - 1) / PAGE_SIZE;
- void * guest_mem = V3_AllocPages(num_pages);
+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;
+ v3_cfg_tree_t * file_tree = NULL;
- PrintDebug("Layout Region %d bytes\n", config_ptr->rombios_size);
- memcpy(V3_VAddr(guest_mem), config_ptr->rombios, config_ptr->rombios_size);
+ V3_Print("cfg data at %p\n", cfg_blob);
- add_shadow_region_passthrough(info, ROMBIOS_START, ROMBIOS_START + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
+ if (memcmp(cfg_blob, "v3vee\0\0\0", 8) != 0) {
+ PrintError("Invalid Configuration Header\n");
+ return NULL;
+ }
+
+ offset += 8;
+
+ cfg = (struct v3_config *)V3_Malloc(sizeof(struct v3_config));
+ 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);
- PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n",
- ROMBIOS_START,
- ROMBIOS_START + (num_pages * PAGE_SIZE),
- guest_mem);
- }
+ 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;
- /* layout vgabios */
- {
- uint_t num_pages = (config_ptr->vgabios_size + PAGE_SIZE - 1) / PAGE_SIZE;
- void * guest_mem = V3_AllocPages(num_pages);
+ files = (struct file_idx_table *)(cfg_blob + offset);
- PrintDebug("Layout Region %d bytes\n", config_ptr->vgabios_size);
- memcpy(V3_VAddr(guest_mem), config_ptr->vgabios, config_ptr->vgabios_size);
+ V3_Print("Number of files in cfg: %d\n", (uint32_t)(files->num_files));
- add_shadow_region_passthrough(info, VGABIOS_START, VGABIOS_START + (num_pages * PAGE_SIZE), (addr_t)guest_mem);
-
- PrintDebug("Adding Shadow Region (0x%x-0x%x) -> 0x%x\n",
- VGABIOS_START,
- VGABIOS_START + (num_pages * PAGE_SIZE),
- guest_mem);
- }
-
- //
- add_shadow_region_passthrough(info, 0x0, 0xa0000, (addr_t)V3_AllocPages(160));
-
- if (1) {
- add_shadow_region_passthrough(info, 0xa0000, 0xc0000, 0xa0000);
- } else {
- 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);
- }
-
-
- if (1) {
- add_shadow_region_passthrough(info, 0x100000, 0x1000000, (addr_t)V3_AllocPages(4096));
- } else {
- /* MEMORY HOOK TEST */
- add_shadow_region_passthrough(info, 0x100000, 0xa00000, (addr_t)V3_AllocPages(2304));
- hook_guest_mem(info, 0xa00000, 0xa01000, mem_test_read, passthrough_mem_write, NULL);
- add_shadow_region_passthrough(info, 0xa01000, 0x1000000, (addr_t)V3_AllocPages(1791));
- }
-
- 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));
-
- {
- struct vm_device * ramdisk = NULL;
- struct vm_device * cdrom = NULL;
- struct vm_device * nvram = v3_create_nvram();
- //struct vm_device * timer = v3_create_timer();
- struct vm_device * pic = v3_create_pic();
- struct vm_device * keyboard = v3_create_keyboard();
- struct vm_device * pit = v3_create_pit();
- struct vm_device * bochs_debug = v3_create_bochs_debug();
+ 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 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");
+ return NULL;
+ }
- //struct vm_device * serial = v3_create_serial();
- struct vm_device * generic = NULL;
+ V3_Print("File index=%d id=%s\n", idx, id);
+ strncpy(file->tag, id, 256);
+ 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);
+ list_add( &(file->file_node), &(cfg->file_list));
- if (use_ramdisk) {
- PrintDebug("Creating Ramdisk\n");
- ramdisk = v3_create_ramdisk();
- cdrom = v3_create_cdrom(ramdisk, config_ptr->ramdisk, config_ptr->ramdisk_size);
+ V3_Print("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");
+
+ file_tree = v3_cfg_next_branch(file_tree);
+ }
+
+ V3_Print("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 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");
+ }
+#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 (use_generic) {
- PrintDebug("Creating Generic Device\n");
- generic = v3_create_generic();
-
- // Make the DMA controller invisible
- v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
- v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
- v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
- v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
- v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
- v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
- v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
- v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
- v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
- v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
- v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
- v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
-
-
-
-
- // Make the Serial ports invisible
-
- v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
- v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
-
-
-
-
- v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
- v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
-
-
-
-
- // Make the PCI bus invisible (at least it's configuration)
-
- v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
- v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
-
-
-
-#if 0
- if (!use_ramdisk) {
- // Monitor the IDE controllers (very slow)
- v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
- v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
- }
-
-
- v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
- v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
-#endif
-
-
-#if 0
-
- // Make the floppy controllers invisible
-
- v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
- v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
- v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
- v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
- v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
- v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
-
-#endif
+ if (!memory_str) {
+ PrintError("Memory is a required configuration parameter\n");
+ return -1;
+ }
+
+ PrintDebug("Memory=%s\n", memory_str);
+ if (align_str) {
+ PrintDebug("Alignment=%s\n", align_str);
+ } else {
+ PrintDebug("Alignment defaulted to 4KB.\n");
+ }
+
+ // Amount of ram the Guest will have, always in MB
+ vm->mem_size = atoi(memory_str) * 1024 * 1024;
+ vm->mem_align = get_alignment(align_str);
-#if 1
+ PrintDebug("Alignment computed as 0x%x\n", vm->mem_align);
+
+ if (strcasecmp(vm_class, "PC") == 0) {
+ vm->vm_class = V3_PC_VM;
+ } else {
+ PrintError("Invalid VM class\n");
+ return -1;
+ }
- // Make the parallel port invisible
-
- v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
+#ifdef 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
-#if 1
+ if (v3_init_vm(vm) == -1) {
+ PrintError("Failed to initialize VM\n");
+ return -1;
+ }
- // Monitor graphics card operations
- v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
- v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
-
-#endif
+ if (schedule_hz_str) {
+ sched_hz = atoi(schedule_hz_str);
+ }
-#if 1
- // Make the ISA PNP features invisible
+ PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(),
+ (void *)(addr_t)sched_hz);
- v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
- v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
- v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
-#endif
+ vm->yield_cycle_period = (V3_CPU_KHZ() * 1000) / sched_hz;
+
+ return 0;
+}
+static int determine_paging_mode(struct guest_info *info, v3_cfg_tree_t * core_cfg)
+{
+ extern v3_cpu_arch_t v3_cpu_types[];
-#if 1
- // Monitor any network card (realtek ne2000) operations
- v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
-#endif
+ 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);
+
+ if (pg_mode) {
+ if ((strcasecmp(pg_mode, "nested") == 0)) {
+ if (v3_cpu_types[info->cpu_id] == V3_SVM_REV3_CPU) {
+ info->shdw_pg_mode = NESTED_PAGING;
+ } else {
+ PrintError("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)) {
+ info->shdw_pg_mode = SHADOW_PAGING;
+ } else {
+ PrintError("Invalid paging mode (%s) specified in configuration. Defaulting to shadow paging\n", pg_mode);
+ info->shdw_pg_mode = SHADOW_PAGING;
+ }
+ } else {
+ PrintDebug("No paging type specified in configuration. Defaulting to shadow paging\n");
+ info->shdw_pg_mode = SHADOW_PAGING;
+ }
-#if 1
- // Make any Bus master ide controller invisible
-
- v3_generic_add_port_range(generic, 0xc000, 0xc00f, GENERIC_PRINT_AND_IGNORE);
-#endif
-
+ 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 {
+ PrintError("Guest paging mode incorrectly set.\n");
+ return -1;
}
- // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
-
+ 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;
+}
-
+static int pre_config_core(struct guest_info * info, v3_cfg_tree_t * core_cfg) {
- 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);
- v3_attach_device(info, bochs_debug);
+ if (determine_paging_mode(info, core_cfg))
+ return -1;
- if (use_ramdisk) {
- v3_attach_device(info, ramdisk);
- v3_attach_device(info, cdrom);
+ v3_init_core(info);
+
+ if (info->vm_info->vm_class == V3_PC_VM) {
+ if (pre_config_pc_core(info, core_cfg) == -1) {
+ PrintError("PC Post configuration failure\n");
+ return -1;
+ }
+ } else {
+ PrintError("Invalid VM Class\n");
+ return -1;
}
- if (use_generic) {
- // Important that this be attached last!
- v3_attach_device(info, generic);
+ return 0;
+}
+
+
+
+static int post_config_vm(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
+
+ vm->run_state = VM_STOPPED;
+
+ // Configure the memory map for the guest
+ if (setup_memory_map(vm, cfg) == -1) {
+ PrintError("Setting up guest memory map failed...\n");
+ return -1;
}
- PrintDebugDevMgr(info);
- }
-
- // give keyboard interrupts to vm
- // no longer needed since we have a keyboard device
- //hook_irq(&vm_info, 1);
-
-#if 0
- // give floppy controller to vm
- v3_hook_passthrough_irq(info, 6);
-#endif
+ //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
+ if (setup_devices(vm, cfg) == -1) {
+ PrintError("Failed to setup devices\n");
+ return -1;
+ }
- if (!use_ramdisk) {
- PrintDebug("Hooking IDE IRQs\n");
- //primary ide
- v3_hook_passthrough_irq(info, 14);
-
- // secondary ide
- v3_hook_passthrough_irq(info, 15);
- }
+ // v3_print_io_map(info);
+ v3_print_msr_map(vm);
- //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
- info->rip = 0xfff0;
- info->vm_regs.rsp = 0x0;
-
+ if (vm->vm_class == V3_PC_VM) {
+ if (post_config_pc(vm, cfg) == -1) {
+ PrintError("PC Post configuration failure\n");
+ return -1;
+ }
+ } else {
+ PrintError("Invalid VM Class\n");
+ return -1;
+ }
+
+ if (v3_inject_mptable(vm) == -1) {
+ PrintError("Failed to inject mptable during configuration\n");
+ return -1;
+ }
- return 0;
+
+ return 0;
}
+
+
+
+static int post_config_core(struct guest_info * info, v3_cfg_tree_t * cfg) {
+
+
+
+ if (info->vm_info->vm_class == V3_PC_VM) {
+ if (post_config_pc_core(info, cfg) == -1) {
+ PrintError("PC Post configuration failure\n");
+ return -1;
+ }
+ } else {
+ PrintError("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);
+
+ memset(vm, 0, guest_state_size);
+
+ vm->num_cores = num_cores;
+
+ return vm;
+}
+
+
+
+struct v3_vm_info * v3_config_guest(void * cfg_blob) {
+ v3_cpu_arch_t cpu_type = v3_get_cpu_type(v3_get_cpu_id());
+ 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 (cpu_type == V3_INVALID_CPU) {
+ PrintError("Configuring guest on invalid CPU\n");
+ return NULL;
+ }
+
+ cfg_data = parse_config(cfg_blob);
+
+ if (!cfg_data) {
+ PrintError("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");
+ return NULL;
+ }
+
+ num_cores = atoi(v3_cfg_val(cores_cfg, "count"));
+
+ if (num_cores == 0) {
+ PrintError("No cores specified in configuration\n");
+ return NULL;
+ }
+
+ V3_Print("Configuring %d cores\n", num_cores);
+
+ vm = allocate_guest(num_cores);
+
+ if (!vm) {
+ PrintError("Could not allocate %d core guest\n", vm->num_cores);
+ return NULL;
+ }
+
+ vm->cfg_data = cfg_data;
+
+ V3_Print("Preconfiguration\n");
+
+ if (pre_config_vm(vm, vm->cfg_data->cfg) == -1) {
+ PrintError("Error in preconfiguration\n");
+ return NULL;
+ }
+
+
+ V3_Print("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->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);
+ return NULL;
+ }
+
+ per_core_cfg = v3_cfg_next_branch(per_core_cfg);
+ }
+
+
+ V3_Print("Post Configuration\n");
+
+ if (post_config_vm(vm, vm->cfg_data->cfg) == -1) {
+ PrintError("Error in postconfiguration\n");
+ 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("Configuration successfull\n");
+
+ return vm;
+}
+
+
+
+
+
+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("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_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("configuring device %s\n", dev_class);
+
+ if (v3_create_device(vm, dev_class, device) == -1) {
+ PrintError("Error creating device %s\n", dev_class);
+ return -1;
+ }
+
+ device = v3_cfg_next_branch(device);
+ }
+
+ v3_print_dev_mgr(vm);
+
+ return 0;
+}
+
+
+
+
