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