palacios/src/palacios/vmm_config.c

   1  /*
   2  * This file is part of the Palacios Virtual Machine Monitor developed
   3  * by the V3VEE Project with funding from the United States National
   4  * Science Foundation and the Department of Energy.
   5  *
   6  * The V3VEE Project is a joint project between Northwestern University
   7  * and the University of New Mexico.  You can find out more at
   8  * http://www.v3vee.org
   9  *
  10  * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
  11  * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
  12  * All rights reserved.
  13  *
  14  * Author: Jack Lange <jarusl@cs.northwestern.edu>
  15  *
  16  * This is free software.  You are permitted to use,
  17  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
  18  */
  19
  20 #include <palacios/vmm_config.h>
  21 #include <palacios/vmm.h>
  22 #include <palacios/vmm_debug.h>
  23 #include <palacios/vmm_msr.h>
  24 #include <palacios/vmm_decoder.h>
  25 #include <palacios/vmm_profiler.h>
  26 #include <palacios/vmm_mem.h>
  27 #include <palacios/vmm_hypercall.h>
  28 #include <palacios/vmm_dev_mgr.h>
  29
  30
  31 #include <devices/generic.h>
  32 #include <devices/ide.h>
  33 #include <devices/ram_cd.h>
  34 #include <devices/net_cd.h>
  35 #include <devices/ram_hd.h>
  36 #include <devices/net_hd.h>
  37
  38
  39 #include <palacios/vmm_host_events.h>
  40
  41 #define USE_GENERIC 1
  42
  43
  44 #include <palacios/vmm_socket.h>
  45
  46
  47 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
  48 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
  49 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
  50
  51
  52
  53
  54 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
  55
  56     return length;
  57     //  memcpy((void*)guest_addr, src, length);
  58     PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
  59     PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
  60
  61     return length;
  62 }
  63
  64
  65 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
  66    extern v3_cpu_arch_t v3_cpu_type;
  67
  68     // Amount of ram the Guest will have, rounded to a 4K page boundary
  69     info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
  70
  71
  72     // Initialize the subsystem data strutures
  73     v3_init_time(info);
  74     v3_init_io_map(info);
  75     v3_init_msr_map(info);
  76     v3_init_interrupt_state(info);
  77     v3_init_exception_state(info);
  78     v3_init_dev_mgr(info);
  79     v3_init_host_events(info);
  80
  81
  82     v3_init_decoder(info);
  83
  84     v3_init_hypercall_map(info);
  85
  86
  87     // Initialize the memory map
  88     v3_init_shadow_map(info);
  89
  90     if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
  91         (config_ptr->enable_nested_paging == 1)) {
  92         PrintDebug("Guest Page Mode: NESTED_PAGING\n");
  93         info->shdw_pg_mode = NESTED_PAGING;
  94     } else {
  95         PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
  96         v3_init_shadow_page_state(info);
  97         info->shdw_pg_mode = SHADOW_PAGING;
  98     }
  99
 100     if (config_ptr->enable_profiling) {
 101         info->enable_profiler = 1;
 102         v3_init_profiler(info);
 103     } else {
 104         info->enable_profiler = 0;
 105     }
 106
 107
 108     // Initial CPU operating mode
 109     info->cpu_mode = REAL;
 110     info->mem_mode = PHYSICAL_MEM;
 111
 112     return 0;
 113 }
 114
 115
 116 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
 117
 118     // Configure the memory map for the guest
 119     if (setup_memory_map(info, config_ptr) == -1) {
 120         PrintError("Setting up guest memory map failed...\n");
 121         return -1;
 122     }
 123
 124     //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
 125
 126     if (setup_devices(info, config_ptr) == -1) {
 127         PrintError("Failed to setup devices\n");
 128         return -1;
 129     }
 130
 131     info->run_state = VM_STOPPED;
 132
 133     info->vm_regs.rdi = 0;
 134     info->vm_regs.rsi = 0;
 135     info->vm_regs.rbp = 0;
 136     info->vm_regs.rsp = 0;
 137     info->vm_regs.rbx = 0;
 138     info->vm_regs.rdx = 0;
 139     info->vm_regs.rcx = 0;
 140     info->vm_regs.rax = 0;
 141
 142     return 0;
 143 }
 144
 145
 146
 147
 148
 149 /* TODO:
 150  * The amount of guest memory is stored in info->mem_size
 151  * We need to make sure the memory map extends to cover it
 152  */
 153 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
 154     PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
 155
 156     // VGA frame buffer
 157     if (1) {
 158         if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
 159             PrintError("Could not map VGA framebuffer\n");
 160             return -1;
 161         }
 162     } else {
 163         v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000,  passthrough_mem_write, NULL);
 164     }
 165
 166 #define VGABIOS_START 0x000c0000
 167 #define ROMBIOS_START 0x000f0000
 168
 169     /* layout vgabios */
 170     {
 171         addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
 172         memcpy(V3_VAddr((void *)vgabios_dst), config_ptr->vgabios, config_ptr->vgabios_size);
 173     }
 174
 175     /* layout rombios */
 176     {
 177         addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
 178         memcpy(V3_VAddr((void *)rombios_dst), config_ptr->rombios, config_ptr->rombios_size);
 179     }
 180
 181 #ifdef CRAY_XT
 182     {
 183 #define SEASTAR_START 0xffe00000
 184 #define SEASTAR_END 0xffffffff
 185         // Map the Seastar straight through
 186         if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
 187             PrintError("Could not map through the seastar\n");
 188             return -1;
 189         }
 190     }
 191 #endif
 192
 193     print_shadow_map(info);
 194
 195     return 0;
 196 }
 197
 198
 199
 200 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
 201
 202     v3_create_device(info, "8259A", NULL);
 203     v3_create_device(info, "KEYBOARD", NULL);
 204     v3_create_device(info, "8254_PIT", NULL);
 205     v3_create_device(info, "BOCHS_DEBUG", NULL);
 206     v3_create_device(info, "OS_DEBUG", NULL);
 207     v3_create_device(info, "LAPIC", NULL);
 208     v3_create_device(info, "IOAPIC", "LAPIC");
 209     v3_create_device(info, "VMNET", NULL);
 210
 211     int use_generic = USE_GENERIC;
 212
 213     if (config_ptr->enable_pci == 1) {
 214         struct ide_cfg ide_config = {"PCI", "PIIX3"};
 215
 216         v3_create_device(info, "PCI", NULL);
 217         v3_create_device(info, "i440FX", "PCI");
 218         v3_create_device(info, "PIIX3", "PCI");
 219
 220
 221         //      v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
 222         v3_create_device(info, "IDE", &ide_config);
 223     } else {
 224         v3_create_device(info, "IDE", NULL);
 225     }
 226
 227
 228     if (config_ptr->pri_disk_type != NONE) {
 229         if (config_ptr->pri_disk_type == CDROM) {
 230             if (config_ptr->pri_disk_con == RAM) {
 231                 struct ram_cd_cfg cfg = {"IDE", 0, 0,
 232                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 233                                          config_ptr->pri_disk_info.ram.size};
 234
 235                 PrintDebug("Creating RAM CD\n");
 236
 237                 v3_create_device(info, "RAM-CD", &cfg);
 238             } else if (config_ptr->pri_disk_con == NETWORK) {
 239                 struct net_cd_cfg cfg = {"IDE", 0, 0,
 240                                          config_ptr->pri_disk_info.net.ip_str,
 241                                          config_ptr->pri_disk_info.net.port,
 242                                          config_ptr->pri_disk_info.net.disk_name};
 243                 PrintDebug("Creating NET CD\n");
 244
 245                 v3_create_device(info, "NET-CD", &cfg);
 246             }
 247         } else if (config_ptr->pri_disk_type == HARDDRIVE) {
 248             if (config_ptr->pri_disk_con == RAM) {
 249                 struct ram_hd_cfg cfg = {"IDE", 0, 0,
 250                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 251                                          config_ptr->pri_disk_info.ram.size};
 252
 253                 PrintDebug("Creating RAM HD\n");
 254
 255                 v3_create_device(info, "RAM-HD", &cfg);
 256             } else if (config_ptr->pri_disk_con == NETWORK) {
 257                 struct net_hd_cfg cfg  = {"IDE", 0, 0,
 258                                           config_ptr->pri_disk_info.net.ip_str,
 259                                           config_ptr->pri_disk_info.net.port,
 260                                           config_ptr->pri_disk_info.net.disk_name};
 261                 PrintDebug("Creating NET HD\n");
 262                 v3_create_device(info, "NET-HD", &cfg);
 263             }
 264         }
 265     }
 266
 267
 268
 269     if (config_ptr->sec_disk_type != NONE) {
 270         if (config_ptr->sec_disk_type == CDROM) {
 271             if (config_ptr->sec_disk_con == RAM) {
 272                 struct ram_cd_cfg cfg = {"IDE", 0, 1,
 273                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 274                                          config_ptr->sec_disk_info.ram.size};
 275
 276                 PrintDebug("Creating RAM CD\n");
 277                 v3_create_device(info, "RAM-CD", &cfg);
 278             } else if (config_ptr->sec_disk_con == NETWORK) {
 279                 struct net_cd_cfg cfg = {"IDE", 0, 1,
 280                                          config_ptr->sec_disk_info.net.ip_str,
 281                                          config_ptr->sec_disk_info.net.port,
 282                                          config_ptr->sec_disk_info.net.disk_name};
 283
 284                 PrintDebug("Creating NET CD\n");
 285                 v3_create_device(info, "NET-CD", &cfg);
 286             }
 287         } else if (config_ptr->sec_disk_type == HARDDRIVE) {
 288             if (config_ptr->sec_disk_con == RAM) {
 289                 struct ram_hd_cfg cfg = {"IDE", 0, 1,
 290                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 291                                          config_ptr->sec_disk_info.ram.size};
 292                 PrintDebug("Creating RAM HD\n");
 293                 v3_create_device(info, "RAM-HD", &cfg);
 294             } else if (config_ptr->sec_disk_con == NETWORK) {
 295                 struct net_hd_cfg cfg = {"IDE", 0, 1,
 296                                          config_ptr->sec_disk_info.net.ip_str,
 297                                          config_ptr->sec_disk_info.net.port,
 298                                          config_ptr->sec_disk_info.net.disk_name};
 299                 PrintDebug("Creating NET HD\n");
 300                 v3_create_device(info, "NET-HD", &cfg);
 301             }
 302         }
 303     }
 304
 305
 306
 307     if (use_generic) {
 308         configure_generic(info, config_ptr);
 309     }
 310
 311     // This should go last because it requires information about the Harddrives
 312     v3_create_device(info, "NVRAM", "IDE");
 313
 314     PrintDebugDevMgr(info);
 315
 316     return 0;
 317 }
 318
 319
 320
 321
 322 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
 323     PrintDebug("Creating Generic Device\n");
 324     v3_create_device(info, "GENERIC", NULL);
 325
 326
 327     struct vm_device * generic = v3_find_dev(info, "GENERIC");
 328
 329     if (!generic) {
 330         PrintError("Could not find generic device\n");
 331         return -1;
 332     }
 333
 334     // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
 335
 336
 337     // Make the DMA controller invisible
 338     v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channels 0,1,2,3 (address, counter)
 339     v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channels 4,5,6,7 (address, counter)
 340     v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 0 page register
 341     v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 1 page register
 342     v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 2 page register
 343     v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 3 page register
 344     v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 4 page register
 345     v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 5 page register
 346     v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 6 page register
 347     v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 7 page register
 348     v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE);   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 349     v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE);   // DMA 2 misc registers
 350
 351
 352
 353
 354     // Make the Serial ports invisible
 355
 356     v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 1
 357     v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 2
 358
 359
 360
 361
 362     v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 3
 363     v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 4
 364
 365
 366
 367
 368     // Make the PCI bus invisible (at least it's configuration)
 369
 370     //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
 371     //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
 372
 373
 374
 375 #if 0
 376     if (!use_ramdisk) {
 377         // Monitor the IDE controllers (very slow)
 378         v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 379         v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 380     }
 381
 382
 383     v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 384     v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 385 #endif
 386
 387
 388 #if 0
 389
 390     // Make the floppy controllers invisible
 391
 392     v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
 393     v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
 394     v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
 395     v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
 396     v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
 397     v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
 398
 399 #endif
 400
 401 #if 1
 402
 403     // Make the parallel port invisible
 404
 405     v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
 406
 407 #endif
 408
 409 #if 1
 410
 411     // Monitor graphics card operations
 412
 413     v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
 414     v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
 415
 416 #endif
 417
 418
 419 #if 1
 420     // Make the ISA PNP features invisible
 421
 422     v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
 423     v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
 424     v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
 425 #endif
 426
 427
 428 #if 1
 429     // Monitor any network card (realtek ne2000) operations
 430     v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
 431 #endif
 432
 433     //  v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
 434
 435     return 0;
 436 }