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_telemetry.h>
  26 #include <palacios/vmm_mem.h>
  27 #include <palacios/vmm_hypercall.h>
  28 #include <palacios/vmm_dev_mgr.h>
  29 #include <palacios/vmm_cpuid.h>
  30
  31 #ifdef CONFIG_SYMBIOTIC
  32 #include <palacios/vmm_sym_iface.h>
  33
  34 #ifdef CONFIG_SYMBIOTIC_SWAP
  35 #include <palacios/vmm_sym_swap.h>
  36 #endif
  37
  38 #endif
  39
  40 #include <devices/generic.h>
  41 #include <devices/ide.h>
  42 #include <devices/ram_cd.h>
  43 #include <devices/net_cd.h>
  44 #include <devices/ram_hd.h>
  45 #include <devices/net_hd.h>
  46
  47 #include <devices/telnet_cons.h>
  48 #include <devices/pci_passthrough.h>
  49
  50
  51
  52
  53 #include <palacios/vmm_host_events.h>
  54
  55
  56
  57 #include <palacios/vmm_socket.h>
  58
  59
  60 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
  61 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
  62 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
  63
  64
  65
  66 #ifdef CONFIG_PASSTHROUGH_VIDEO
  67 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
  68
  69     return length;
  70     //  memcpy((void*)guest_addr, src, length);
  71     PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
  72     PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
  73
  74     return length;
  75 }
  76 #endif
  77
  78 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
  79    extern v3_cpu_arch_t v3_cpu_types[];
  80
  81     // Amount of ram the Guest will have, rounded to a 4K page boundary
  82     info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
  83
  84     info->cpu_id = config_ptr->guest_cpu;
  85
  86     /*
  87      * Initialize the subsystem data strutures
  88      */
  89 #ifdef CONFIG_TELEMETRY
  90     // This should go first, because other subsystems will depend on the guest_info flag
  91     if (config_ptr->enable_telemetry) {
  92         info->enable_telemetry = 1;
  93         v3_init_telemetry(info);
  94     } else {
  95         info->enable_telemetry = 0;
  96     }
  97 #endif
  98
  99     v3_init_hypercall_map(info);
 100     v3_init_io_map(info);
 101     v3_init_msr_map(info);
 102     v3_init_cpuid_map(info);
 103     v3_init_host_events(info);
 104
 105     // Initialize the memory map
 106     v3_init_shadow_map(info);
 107
 108     if ((v3_cpu_types[info->cpu_id] == V3_SVM_REV3_CPU) &&
 109         (config_ptr->enable_nested_paging == 1)) {
 110         PrintDebug("Guest Page Mode: NESTED_PAGING\n");
 111         info->shdw_pg_mode = NESTED_PAGING;
 112     } else {
 113         PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
 114         v3_init_shadow_page_state(info);
 115         info->shdw_pg_mode = SHADOW_PAGING;
 116     }
 117
 118 #ifdef CONFIG_SYMBIOTIC
 119     v3_init_sym_iface(info);
 120 #endif
 121
 122     v3_init_time(info);
 123     v3_init_interrupt_state(info);
 124     v3_init_exception_state(info);
 125     v3_init_dev_mgr(info);
 126     v3_init_decoder(info);
 127
 128 #ifdef CONFIG_SYMBIOTIC_SWAP
 129     PrintDebug("initializing symbiotic swap\n");
 130     v3_init_sym_swap(info);
 131 #endif
 132
 133
 134     if (config_ptr->schedule_freq == 0) {
 135         // set the schedule frequency to 100 HZ
 136         config_ptr->schedule_freq = 100;
 137     }
 138
 139     PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
 140
 141     info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
 142
 143     // Initial CPU operating mode
 144     info->cpu_mode = REAL;
 145     info->mem_mode = PHYSICAL_MEM;
 146
 147     return 0;
 148 }
 149
 150
 151 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
 152
 153     // Configure the memory map for the guest
 154     if (setup_memory_map(info, config_ptr) == -1) {
 155         PrintError("Setting up guest memory map failed...\n");
 156         return -1;
 157     }
 158
 159     //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
 160
 161     if (setup_devices(info, config_ptr) == -1) {
 162         PrintError("Failed to setup devices\n");
 163         return -1;
 164     }
 165
 166     //    v3_print_io_map(info);
 167     v3_print_msr_map(info);
 168
 169     info->run_state = VM_STOPPED;
 170
 171     info->vm_regs.rdi = 0;
 172     info->vm_regs.rsi = 0;
 173     info->vm_regs.rbp = 0;
 174     info->vm_regs.rsp = 0;
 175     info->vm_regs.rbx = 0;
 176     info->vm_regs.rdx = 0;
 177     info->vm_regs.rcx = 0;
 178     info->vm_regs.rax = 0;
 179
 180     return 0;
 181 }
 182
 183
 184
 185
 186
 187 /* TODO:
 188  * The amount of guest memory is stored in info->mem_size
 189  * We need to make sure the memory map extends to cover it
 190  */
 191 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
 192
 193 #ifdef CONFIG_PASSTHROUGH_VIDEO
 194     PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
 195
 196     // VGA frame buffer
 197     if (1) {
 198         if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
 199             PrintError("Could not map VGA framebuffer\n");
 200             return -1;
 201         }
 202     } else {
 203         v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000,  passthrough_mem_write, NULL);
 204     }
 205 #endif
 206
 207 #define VGABIOS_START 0x000c0000
 208 #define ROMBIOS_START 0x000f0000
 209
 210     /* layout vgabios */
 211     {
 212         extern uint8_t v3_vgabios_start[];
 213         extern uint8_t v3_vgabios_end[];
 214
 215         addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
 216         memcpy(V3_VAddr((void *)vgabios_dst), v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
 217     }
 218
 219     /* layout rombios */
 220     {
 221         extern uint8_t v3_rombios_start[];
 222         extern uint8_t v3_rombios_end[];
 223
 224         addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
 225         memcpy(V3_VAddr((void *)rombios_dst), v3_rombios_start, v3_rombios_end - v3_rombios_start);
 226     }
 227
 228 #ifdef CONFIG_CRAY_XT
 229     {
 230 #define SEASTAR_START 0xffe00000
 231 #define SEASTAR_END 0xffffffff
 232         // Map the Seastar straight through
 233         if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
 234             PrintError("Could not map through the seastar\n");
 235             return -1;
 236         }
 237     }
 238 #endif
 239
 240     v3_print_mem_map(info);
 241
 242     return 0;
 243 }
 244
 245
 246
 247 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
 248
 249     v3_create_device(info, "8259A", NULL);
 250     v3_create_device(info, "KEYBOARD", NULL);
 251     v3_create_device(info, "8254_PIT", NULL);
 252     v3_create_device(info, "BOCHS_DEBUG", NULL);
 253     v3_create_device(info, "OS_DEBUG", NULL);
 254     v3_create_device(info, "LAPIC", NULL);
 255     v3_create_device(info, "IOAPIC", "LAPIC");
 256     v3_create_device(info, "VMNET", NULL);
 257
 258
 259     v3_create_device(info, "CGA_VIDEO", (void *)1);
 260     {
 261         struct telnet_cons_cfg cons_cfg = {"CGA_VIDEO", 19997};
 262         v3_create_device(info, "TELNET_CONSOLE", &cons_cfg);
 263     }
 264
 265     if (config_ptr->enable_pci == 1) {
 266         struct ide_cfg ide_config = {"PCI", "PIIX3"};
 267         struct pci_passthrough_cfg pci_qemu_pt_cfg = {"PCI", "E1000", 0x8086, 0x100e};
 268         struct pci_passthrough_cfg pci_hw_pt_cfg = {"PCI", "E1000", 0x8086, 0x107c};
 269
 270         v3_create_device(info, "PCI", NULL);
 271         v3_create_device(info, "i440FX", "PCI");
 272         v3_create_device(info, "PIIX3", "PCI");
 273
 274
 275         v3_create_device(info, "LNX_VIRTIO_SYM", "PCI");
 276         v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
 277         v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
 278         v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
 279
 280         v3_create_device(info, "IDE", &ide_config);
 281
 282         v3_create_device(info, "PCI_PASSTHROUGH", &pci_qemu_pt_cfg);
 283         v3_create_device(info, "PCI_PASSTHROUGH", &pci_hw_pt_cfg);
 284
 285
 286     } else {
 287         v3_create_device(info, "IDE", NULL);
 288     }
 289
 290
 291     if (config_ptr->pri_disk_type != NONE) {
 292         if (config_ptr->pri_disk_type == CDROM) {
 293             if (config_ptr->pri_disk_con == RAM) {
 294                 struct ram_cd_cfg cfg = {"IDE", 0, 0,
 295                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 296                                          config_ptr->pri_disk_info.ram.size};
 297
 298                 PrintDebug("Creating RAM CD\n");
 299
 300                 v3_create_device(info, "RAM-CD", &cfg);
 301             } else if (config_ptr->pri_disk_con == NETWORK) {
 302                 struct net_cd_cfg cfg = {"IDE", 0, 0,
 303                                          config_ptr->pri_disk_info.net.ip_str,
 304                                          config_ptr->pri_disk_info.net.port,
 305                                          config_ptr->pri_disk_info.net.disk_name};
 306                 PrintDebug("Creating NET CD\n");
 307
 308                 v3_create_device(info, "NET-CD", &cfg);
 309             }
 310         } else if (config_ptr->pri_disk_type == HARDDRIVE) {
 311             if (config_ptr->pri_disk_con == RAM) {
 312                 struct ram_hd_cfg cfg = {"IDE", 0, 0,
 313                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 314                                          config_ptr->pri_disk_info.ram.size};
 315
 316                 PrintDebug("Creating RAM HD\n");
 317
 318                 v3_create_device(info, "RAM-HD", &cfg);
 319             } else if (config_ptr->pri_disk_con == NETWORK) {
 320                 struct net_hd_cfg cfg  = {"IDE", 0, 0,
 321                                           config_ptr->pri_disk_info.net.ip_str,
 322                                           config_ptr->pri_disk_info.net.port,
 323                                           config_ptr->pri_disk_info.net.disk_name};
 324                 PrintDebug("Creating NET HD\n");
 325                 v3_create_device(info, "NET-HD", &cfg);
 326             }
 327         }
 328     }
 329
 330
 331
 332     if (config_ptr->sec_disk_type != NONE) {
 333         if (config_ptr->sec_disk_type == CDROM) {
 334             if (config_ptr->sec_disk_con == RAM) {
 335                 struct ram_cd_cfg cfg = {"IDE", 0, 1,
 336                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 337                                          config_ptr->sec_disk_info.ram.size};
 338
 339                 PrintDebug("Creating RAM CD\n");
 340                 v3_create_device(info, "RAM-CD", &cfg);
 341             } else if (config_ptr->sec_disk_con == NETWORK) {
 342                 struct net_cd_cfg cfg = {"IDE", 0, 1,
 343                                          config_ptr->sec_disk_info.net.ip_str,
 344                                          config_ptr->sec_disk_info.net.port,
 345                                          config_ptr->sec_disk_info.net.disk_name};
 346
 347                 PrintDebug("Creating NET CD\n");
 348                 v3_create_device(info, "NET-CD", &cfg);
 349             }
 350         } else if (config_ptr->sec_disk_type == HARDDRIVE) {
 351             if (config_ptr->sec_disk_con == RAM) {
 352                 struct ram_hd_cfg cfg = {"IDE", 0, 1,
 353                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 354                                          config_ptr->sec_disk_info.ram.size};
 355                 PrintDebug("Creating RAM HD\n");
 356                 v3_create_device(info, "RAM-HD", &cfg);
 357             } else if (config_ptr->sec_disk_con == NETWORK) {
 358                 struct net_hd_cfg cfg = {"IDE", 0, 1,
 359                                          config_ptr->sec_disk_info.net.ip_str,
 360                                          config_ptr->sec_disk_info.net.port,
 361                                          config_ptr->sec_disk_info.net.disk_name};
 362                 PrintDebug("Creating NET HD\n");
 363                 v3_create_device(info, "NET-HD", &cfg);
 364             }
 365         }
 366     }
 367
 368
 369
 370 #ifdef CONFIG_GENERIC
 371         configure_generic(info, config_ptr);
 372 #endif
 373
 374     // This should go last because it requires information about the Harddrives
 375     v3_create_device(info, "NVRAM", "IDE");
 376
 377     PrintDebugDevMgr(info);
 378
 379     return 0;
 380 }
 381
 382
 383
 384 #ifdef CONFIG_GENERIC
 385 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
 386     PrintDebug("Creating Generic Device\n");
 387     v3_create_device(info, "GENERIC", NULL);
 388
 389
 390     struct vm_device * generic = v3_find_dev(info, "GENERIC");
 391
 392     if (!generic) {
 393         PrintError("Could not find generic device\n");
 394         return -1;
 395     }
 396
 397     // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
 398
 399
 400     // Make the DMA controller invisible
 401     v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channels 0,1,2,3 (address, counter)
 402     v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channels 4,5,6,7 (address, counter)
 403     v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 0 page register
 404     v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 1 page register
 405     v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 2 page register
 406     v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 3 page register
 407     v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 4 page register
 408     v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 5 page register
 409     v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 6 page register
 410     v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 7 page register
 411     v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE);   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 412     v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE);   // DMA 2 misc registers
 413
 414
 415
 416
 417     // Make the Serial ports invisible
 418
 419     v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 1
 420     v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 2
 421
 422
 423
 424
 425     v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 3
 426     v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 4
 427
 428
 429
 430
 431     // Make the PCI bus invisible (at least it's configuration)
 432
 433     //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
 434     //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
 435
 436
 437
 438 #if 0
 439     if (!use_ramdisk) {
 440         // Monitor the IDE controllers (very slow)
 441         v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 442         v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 443     }
 444
 445
 446     v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 447     v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 448 #endif
 449
 450
 451 #if 0
 452
 453     // Make the floppy controllers invisible
 454
 455     v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
 456     v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
 457     v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
 458     v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
 459     v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
 460     v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
 461
 462 #endif
 463
 464 #if 1
 465
 466     // Make the parallel port invisible
 467
 468     v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
 469
 470 #endif
 471
 472 #ifdef CONFIG_PASTHROUGH_VIDEO
 473
 474     // Monitor graphics card operations
 475
 476     v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
 477     v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
 478
 479 #endif
 480
 481
 482 #if 1
 483     // Make the ISA PNP features invisible
 484
 485     v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
 486     v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
 487     v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
 488 #endif
 489
 490
 491 #if 1
 492     // Monitor any network card (realtek ne2000) operations
 493     v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
 494 #endif
 495
 496     //  v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
 497
 498     return 0;
 499 }
 500 #endif