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
  29
  30 #include <devices/serial.h>
  31 #include <devices/keyboard.h>
  32 #include <devices/8259a.h>
  33 #include <devices/8254.h>
  34 #include <devices/nvram.h>
  35 #include <devices/generic.h>
  36 #include <devices/ide.h>
  37 #include <devices/ram_cd.h>
  38 #include <devices/net_cd.h>
  39 #include <devices/ram_hd.h>
  40 #include <devices/net_hd.h>
  41 #include <devices/bochs_debug.h>
  42 #include <devices/os_debug.h>
  43 #include <devices/apic.h>
  44 #include <devices/io_apic.h>
  45 #include <devices/para_net.h>
  46 #include <devices/pci.h>
  47 #include <devices/i440fx.h>
  48 #include <devices/piix3.h>
  49
  50
  51 #include <palacios/vmm_host_events.h>
  52
  53 #define USE_GENERIC 1
  54
  55
  56 #include <palacios/vmm_socket.h>
  57
  58
  59 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
  60 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
  61 static struct vm_device *  configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
  62
  63
  64
  65
  66 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
  67
  68     return length;
  69     //  memcpy((void*)guest_addr, src, length);
  70     PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
  71     PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
  72
  73     return length;
  74 }
  75
  76
  77 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
  78    extern v3_cpu_arch_t v3_cpu_type;
  79
  80     // Amount of ram the Guest will have, rounded to a 4K page boundary
  81     info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
  82
  83
  84     // Initialize the subsystem data strutures
  85     v3_init_time(info);
  86     v3_init_io_map(info);
  87     v3_init_msr_map(info);
  88     v3_init_interrupt_state(info);
  89     v3_init_exception_state(info);
  90     v3_init_dev_mgr(info);
  91     v3_init_host_events(info);
  92
  93
  94     v3_init_decoder(info);
  95
  96     v3_init_hypercall_map(info);
  97
  98
  99     // Initialize the memory map
 100     v3_init_shadow_map(info);
 101
 102     if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
 103         (config_ptr->enable_nested_paging == 1)) {
 104         PrintDebug("Guest Page Mode: NESTED_PAGING\n");
 105         info->shdw_pg_mode = NESTED_PAGING;
 106     } else {
 107         PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
 108         v3_init_shadow_page_state(info);
 109         info->shdw_pg_mode = SHADOW_PAGING;
 110     }
 111
 112     if (config_ptr->enable_profiling) {
 113         info->enable_profiler = 1;
 114         v3_init_profiler(info);
 115     } else {
 116         info->enable_profiler = 0;
 117     }
 118
 119
 120     // Initial CPU operating mode
 121     info->cpu_mode = REAL;
 122     info->mem_mode = PHYSICAL_MEM;
 123
 124     return 0;
 125 }
 126
 127
 128 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
 129
 130     // Configure the memory map for the guest
 131     if (setup_memory_map(info, config_ptr) == -1) {
 132         PrintError("Setting up guest memory map failed...\n");
 133         return -1;
 134     }
 135
 136     //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
 137
 138     if (setup_devices(info, config_ptr) == -1) {
 139         PrintError("Failed to setup devices\n");
 140         return -1;
 141     }
 142
 143     info->run_state = VM_STOPPED;
 144
 145     info->vm_regs.rdi = 0;
 146     info->vm_regs.rsi = 0;
 147     info->vm_regs.rbp = 0;
 148     info->vm_regs.rsp = 0;
 149     info->vm_regs.rbx = 0;
 150     info->vm_regs.rdx = 0;
 151     info->vm_regs.rcx = 0;
 152     info->vm_regs.rax = 0;
 153
 154     return 0;
 155 }
 156
 157
 158
 159
 160
 161 /* TODO:
 162  * The amount of guest memory is stored in info->mem_size
 163  * We need to make sure the memory map extends to cover it
 164  */
 165 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
 166     PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
 167
 168     // VGA frame buffer
 169     if (1) {
 170         if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
 171             PrintError("Could not map VGA framebuffer\n");
 172             return -1;
 173         }
 174     } else {
 175         v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000,  passthrough_mem_write, NULL);
 176     }
 177
 178 #define VGABIOS_START 0x000c0000
 179 #define ROMBIOS_START 0x000f0000
 180
 181     /* layout vgabios */
 182     {
 183         addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
 184         memcpy(V3_VAddr((void *)vgabios_dst), config_ptr->vgabios, config_ptr->vgabios_size);
 185     }
 186
 187     /* layout rombios */
 188     {
 189         addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
 190         memcpy(V3_VAddr((void *)rombios_dst), config_ptr->rombios, config_ptr->rombios_size);
 191     }
 192
 193 #ifdef CRAY_XT
 194     {
 195 #define SEASTAR_START 0xffe00000
 196 #define SEASTAR_END 0xffffffff
 197         // Map the Seastar straight through
 198         if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
 199             PrintError("Could not map through the seastar\n");
 200             return -1;
 201         }
 202     }
 203 #endif
 204
 205     print_shadow_map(info);
 206
 207     return 0;
 208 }
 209
 210
 211
 212 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
 213
 214     struct vm_device * ide = NULL;
 215     struct vm_device * primary_disk = NULL;
 216     struct vm_device * secondary_disk = NULL;
 217
 218     struct vm_device * pci = NULL;
 219     struct vm_device * northbridge = NULL;
 220     struct vm_device * southbridge = NULL;
 221
 222     struct vm_device * nvram = NULL;
 223     struct vm_device * pic = v3_create_pic();
 224     struct vm_device * keyboard = v3_create_keyboard();
 225     struct vm_device * pit = v3_create_pit();
 226     struct vm_device * bochs_debug = v3_create_bochs_debug();
 227     struct vm_device * os_debug = v3_create_os_debug();
 228     struct vm_device * apic = v3_create_apic();
 229     struct vm_device * ioapic = v3_create_io_apic(apic);
 230     struct vm_device * para_net = v3_create_para_net();
 231
 232
 233     //struct vm_device * serial = v3_create_serial();
 234     struct vm_device * generic = NULL;
 235
 236
 237     int use_generic = USE_GENERIC;
 238
 239     if (config_ptr->enable_pci == 1) {
 240         pci = v3_create_pci();
 241         northbridge = v3_create_i440fx(pci);
 242         southbridge = v3_create_piix3(pci);
 243         ide = v3_create_ide(pci, southbridge);
 244     } else {
 245         ide = v3_create_ide(NULL, NULL);
 246     }
 247
 248     nvram = v3_create_nvram(ide);
 249
 250     if (config_ptr->pri_disk_type != NONE) {
 251         if (config_ptr->pri_disk_type == CDROM) {
 252             if (config_ptr->pri_disk_con == RAM) {
 253                 PrintDebug("Creating RAM CD\n");
 254                 primary_disk = v3_create_ram_cd(ide, 0, 0,
 255                                                 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 256                                                 config_ptr->pri_disk_info.ram.size);
 257             } else if (config_ptr->pri_disk_con == NETWORK) {
 258                 PrintDebug("Creating NET CD\n");
 259                 primary_disk = v3_create_net_cd(ide, 0, 0,
 260                                                 config_ptr->pri_disk_info.net.ip_str,
 261                                                 config_ptr->pri_disk_info.net.port,
 262                                                 config_ptr->pri_disk_info.net.disk_name);
 263             }
 264         } else if (config_ptr->pri_disk_type == HARDDRIVE) {
 265             if (config_ptr->pri_disk_con == RAM) {
 266                 PrintDebug("Creating RAM HD\n");
 267                 primary_disk = v3_create_ram_hd(ide, 0, 0,
 268                                                 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 269                                                 config_ptr->pri_disk_info.ram.size);
 270             } else if (config_ptr->pri_disk_con == NETWORK) {
 271                 PrintDebug("Creating NET HD\n");
 272                 primary_disk = v3_create_net_hd(ide, 0, 0,
 273                                                 config_ptr->pri_disk_info.net.ip_str,
 274                                                 config_ptr->pri_disk_info.net.port,
 275                                                 config_ptr->pri_disk_info.net.disk_name);
 276             }
 277         }
 278     }
 279
 280
 281
 282     if (config_ptr->sec_disk_type != NONE) {
 283         if (config_ptr->sec_disk_type == CDROM) {
 284             if (config_ptr->sec_disk_con == RAM) {
 285                 PrintDebug("Creating RAM CD\n");
 286                 secondary_disk = v3_create_ram_cd(ide, 0, 1,
 287                                                   (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 288                                                   config_ptr->sec_disk_info.ram.size);
 289             } else if (config_ptr->sec_disk_con == NETWORK) {
 290                 PrintDebug("Creating NET CD\n");
 291                 secondary_disk = v3_create_net_cd(ide, 0, 1,
 292                                                   config_ptr->sec_disk_info.net.ip_str,
 293                                                   config_ptr->sec_disk_info.net.port,
 294                                                   config_ptr->sec_disk_info.net.disk_name);
 295             }
 296         } else if (config_ptr->sec_disk_type == HARDDRIVE) {
 297             if (config_ptr->sec_disk_con == RAM) {
 298                 PrintDebug("Creating RAM HD\n");
 299                 secondary_disk = v3_create_ram_hd(ide, 0, 1,
 300                                                   (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 301                                                   config_ptr->sec_disk_info.ram.size);
 302             } else if (config_ptr->sec_disk_con == NETWORK) {
 303                 PrintDebug("Creating NET HD\n");
 304                 secondary_disk = v3_create_net_hd(ide, 0, 1,
 305                                                   config_ptr->sec_disk_info.net.ip_str,
 306                                                   config_ptr->sec_disk_info.net.port,
 307                                                   config_ptr->sec_disk_info.net.disk_name);
 308             }
 309         }
 310     }
 311
 312
 313
 314     if (use_generic) {
 315         generic = configure_generic(info, config_ptr);
 316     }
 317
 318
 319     v3_attach_device(info, pic);
 320     v3_attach_device(info, pit);
 321     v3_attach_device(info, keyboard);
 322     // v3_attach_device(info, serial);
 323     v3_attach_device(info, bochs_debug);
 324     v3_attach_device(info, os_debug);
 325
 326     v3_attach_device(info, apic);
 327     v3_attach_device(info, ioapic);
 328
 329     v3_attach_device(info, para_net);
 330
 331     if (config_ptr->enable_pci == 1) {
 332         PrintDebug("Attaching PCI\n");
 333         v3_attach_device(info, pci);
 334         PrintDebug("Attaching Northbridge\n");
 335         v3_attach_device(info, northbridge);
 336         PrintDebug("Attaching Southbridge\n");
 337         v3_attach_device(info, southbridge);
 338     }
 339
 340     PrintDebug("Attaching IDE\n");
 341     v3_attach_device(info, ide);
 342
 343     if (primary_disk != NULL) {
 344         v3_attach_device(info, primary_disk);
 345     }
 346
 347     if (secondary_disk != NULL) {
 348         v3_attach_device(info, secondary_disk);
 349     }
 350
 351     if (use_generic) {
 352         // Important that this be attached last!
 353         v3_attach_device(info, generic);
 354     }
 355
 356     // This should go last because it contains the hardware state
 357     v3_attach_device(info, nvram);
 358
 359     PrintDebugDevMgr(info);
 360
 361     return 0;
 362 }
 363
 364
 365
 366
 367
 368 static struct vm_device *  configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
 369     PrintDebug("Creating Generic Device\n");
 370     struct vm_device * generic = v3_create_generic();
 371
 372
 373     // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
 374
 375
 376     // Make the DMA controller invisible
 377     v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channels 0,1,2,3 (address, counter)
 378     v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channels 4,5,6,7 (address, counter)
 379     v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 0 page register
 380     v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 1 page register
 381     v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 2 page register
 382     v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 3 page register
 383     v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 4 page register
 384     v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 5 page register
 385     v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 6 page register
 386     v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 7 page register
 387     v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE);   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 388     v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE);   // DMA 2 misc registers
 389
 390
 391
 392
 393     // Make the Serial ports invisible
 394
 395     v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 1
 396     v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 2
 397
 398
 399
 400
 401     v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 3
 402     v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 4
 403
 404
 405
 406
 407     // Make the PCI bus invisible (at least it's configuration)
 408
 409     //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
 410     //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
 411
 412
 413
 414 #if 0
 415     if (!use_ramdisk) {
 416         // Monitor the IDE controllers (very slow)
 417         v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 418         v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 419     }
 420
 421
 422     v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 423     v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 424 #endif
 425
 426
 427 #if 0
 428
 429     // Make the floppy controllers invisible
 430
 431     v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
 432     v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
 433     v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
 434     v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
 435     v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
 436     v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
 437
 438 #endif
 439
 440 #if 1
 441
 442     // Make the parallel port invisible
 443
 444     v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
 445
 446 #endif
 447
 448 #if 1
 449
 450     // Monitor graphics card operations
 451
 452     v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
 453     v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
 454
 455 #endif
 456
 457
 458 #if 1
 459     // Make the ISA PNP features invisible
 460
 461     v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
 462     v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
 463     v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
 464 #endif
 465
 466
 467 #if 1
 468     // Monitor any network card (realtek ne2000) operations
 469     v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
 470 #endif
 471
 472
 473
 474     //  v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
 475
 476
 477     return generic;
 478 }