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/video.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 #ifndef CONFIG_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_type;
  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     /*
  79      * Initialize the subsystem data strutures
  80      */
  81 #ifdef CONFIG_TELEMETRY
  82     // This should go first, because other subsystems will depend on the guest_info flag
  83     if (config_ptr->enable_telemetry) {
  84         info->enable_telemetry = 1;
  85         v3_init_telemetry(info);
  86     } else {
  87         info->enable_telemetry = 0;
  88     }
  89 #endif
  90
  91     v3_init_time(info);
  92     v3_init_io_map(info);
  93     v3_init_msr_map(info);
  94     v3_init_interrupt_state(info);
  95     v3_init_exception_state(info);
  96     v3_init_dev_mgr(info);
  97     v3_init_host_events(info);
  98
  99
 100     v3_init_decoder(info);
 101
 102     v3_init_hypercall_map(info);
 103
 104 #ifdef CONFIG_SYMBIOTIC_SWAP
 105     v3_init_sym_swap(info);
 106 #endif
 107
 108
 109
 110     // Initialize the memory map
 111     v3_init_shadow_map(info);
 112
 113     if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
 114         (config_ptr->enable_nested_paging == 1)) {
 115         PrintDebug("Guest Page Mode: NESTED_PAGING\n");
 116         info->shdw_pg_mode = NESTED_PAGING;
 117     } else {
 118         PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
 119         v3_init_shadow_page_state(info);
 120         info->shdw_pg_mode = SHADOW_PAGING;
 121     }
 122
 123
 124
 125     if (config_ptr->schedule_freq == 0) {
 126         // set the schedule frequency to 100 HZ
 127         config_ptr->schedule_freq = 100;
 128     }
 129
 130     PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
 131
 132     info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
 133
 134     // Initial CPU operating mode
 135     info->cpu_mode = REAL;
 136     info->mem_mode = PHYSICAL_MEM;
 137
 138     return 0;
 139 }
 140
 141
 142 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
 143
 144     // Configure the memory map for the guest
 145     if (setup_memory_map(info, config_ptr) == -1) {
 146         PrintError("Setting up guest memory map failed...\n");
 147         return -1;
 148     }
 149
 150     //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
 151
 152     if (setup_devices(info, config_ptr) == -1) {
 153         PrintError("Failed to setup devices\n");
 154         return -1;
 155     }
 156
 157     info->run_state = VM_STOPPED;
 158
 159     info->vm_regs.rdi = 0;
 160     info->vm_regs.rsi = 0;
 161     info->vm_regs.rbp = 0;
 162     info->vm_regs.rsp = 0;
 163     info->vm_regs.rbx = 0;
 164     info->vm_regs.rdx = 0;
 165     info->vm_regs.rcx = 0;
 166     info->vm_regs.rax = 0;
 167
 168     return 0;
 169 }
 170
 171
 172
 173
 174
 175 /* TODO:
 176  * The amount of guest memory is stored in info->mem_size
 177  * We need to make sure the memory map extends to cover it
 178  */
 179 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
 180
 181 #ifndef CONFIG_VIDEO
 182     PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
 183
 184     // VGA frame buffer
 185     if (1) {
 186         if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
 187             PrintError("Could not map VGA framebuffer\n");
 188             return -1;
 189         }
 190     } else {
 191         v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000,  passthrough_mem_write, NULL);
 192     }
 193 #endif
 194
 195 #define VGABIOS_START 0x000c0000
 196 #define ROMBIOS_START 0x000f0000
 197
 198     /* layout vgabios */
 199     {
 200         extern uint8_t v3_vgabios_start[];
 201         extern uint8_t v3_vgabios_end[];
 202
 203         addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
 204         memcpy(V3_VAddr((void *)vgabios_dst), v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
 205     }
 206
 207     /* layout rombios */
 208     {
 209         extern uint8_t v3_rombios_start[];
 210         extern uint8_t v3_rombios_end[];
 211
 212         addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
 213         memcpy(V3_VAddr((void *)rombios_dst), v3_rombios_start, v3_rombios_end - v3_rombios_start);
 214     }
 215
 216 #ifdef CONFIG_CRAY_XT
 217     {
 218 #define SEASTAR_START 0xffe00000
 219 #define SEASTAR_END 0xffffffff
 220         // Map the Seastar straight through
 221         if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
 222             PrintError("Could not map through the seastar\n");
 223             return -1;
 224         }
 225     }
 226 #endif
 227
 228     print_shadow_map(info);
 229
 230     return 0;
 231 }
 232
 233
 234
 235 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
 236
 237     v3_create_device(info, "8259A", NULL);
 238     v3_create_device(info, "KEYBOARD", NULL);
 239     v3_create_device(info, "8254_PIT", NULL);
 240     v3_create_device(info, "BOCHS_DEBUG", NULL);
 241     v3_create_device(info, "OS_DEBUG", NULL);
 242     v3_create_device(info, "LAPIC", NULL);
 243     v3_create_device(info, "IOAPIC", "LAPIC");
 244     v3_create_device(info, "VMNET", NULL);
 245
 246
 247
 248     if (config_ptr->enable_pci == 1) {
 249         struct ide_cfg ide_config = {"PCI", "PIIX3"};
 250
 251         v3_create_device(info, "PCI", NULL);
 252         v3_create_device(info, "i440FX", "PCI");
 253         v3_create_device(info, "PIIX3", "PCI");
 254
 255
 256         v3_create_device(info, "LNX_VIRTIO_SYM", "PCI");
 257         v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
 258         v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
 259         v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
 260
 261         v3_create_device(info, "VIDEO", "PCI");
 262
 263         v3_create_device(info, "IDE", &ide_config);
 264     } else {
 265         v3_create_device(info, "IDE", NULL);
 266     }
 267
 268
 269     if (config_ptr->pri_disk_type != NONE) {
 270         if (config_ptr->pri_disk_type == CDROM) {
 271             if (config_ptr->pri_disk_con == RAM) {
 272                 struct ram_cd_cfg cfg = {"IDE", 0, 0,
 273                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 274                                          config_ptr->pri_disk_info.ram.size};
 275
 276                 PrintDebug("Creating RAM CD\n");
 277
 278                 v3_create_device(info, "RAM-CD", &cfg);
 279             } else if (config_ptr->pri_disk_con == NETWORK) {
 280                 struct net_cd_cfg cfg = {"IDE", 0, 0,
 281                                          config_ptr->pri_disk_info.net.ip_str,
 282                                          config_ptr->pri_disk_info.net.port,
 283                                          config_ptr->pri_disk_info.net.disk_name};
 284                 PrintDebug("Creating NET CD\n");
 285
 286                 v3_create_device(info, "NET-CD", &cfg);
 287             }
 288         } else if (config_ptr->pri_disk_type == HARDDRIVE) {
 289             if (config_ptr->pri_disk_con == RAM) {
 290                 struct ram_hd_cfg cfg = {"IDE", 0, 0,
 291                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 292                                          config_ptr->pri_disk_info.ram.size};
 293
 294                 PrintDebug("Creating RAM HD\n");
 295
 296                 v3_create_device(info, "RAM-HD", &cfg);
 297             } else if (config_ptr->pri_disk_con == NETWORK) {
 298                 struct net_hd_cfg cfg  = {"IDE", 0, 0,
 299                                           config_ptr->pri_disk_info.net.ip_str,
 300                                           config_ptr->pri_disk_info.net.port,
 301                                           config_ptr->pri_disk_info.net.disk_name};
 302                 PrintDebug("Creating NET HD\n");
 303                 v3_create_device(info, "NET-HD", &cfg);
 304             }
 305         }
 306     }
 307
 308
 309
 310     if (config_ptr->sec_disk_type != NONE) {
 311         if (config_ptr->sec_disk_type == CDROM) {
 312             if (config_ptr->sec_disk_con == RAM) {
 313                 struct ram_cd_cfg cfg = {"IDE", 0, 1,
 314                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 315                                          config_ptr->sec_disk_info.ram.size};
 316
 317                 PrintDebug("Creating RAM CD\n");
 318                 v3_create_device(info, "RAM-CD", &cfg);
 319             } else if (config_ptr->sec_disk_con == NETWORK) {
 320                 struct net_cd_cfg cfg = {"IDE", 0, 1,
 321                                          config_ptr->sec_disk_info.net.ip_str,
 322                                          config_ptr->sec_disk_info.net.port,
 323                                          config_ptr->sec_disk_info.net.disk_name};
 324
 325                 PrintDebug("Creating NET CD\n");
 326                 v3_create_device(info, "NET-CD", &cfg);
 327             }
 328         } else if (config_ptr->sec_disk_type == HARDDRIVE) {
 329             if (config_ptr->sec_disk_con == RAM) {
 330                 struct ram_hd_cfg cfg = {"IDE", 0, 1,
 331                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 332                                          config_ptr->sec_disk_info.ram.size};
 333                 PrintDebug("Creating RAM HD\n");
 334                 v3_create_device(info, "RAM-HD", &cfg);
 335             } else if (config_ptr->sec_disk_con == NETWORK) {
 336                 struct net_hd_cfg cfg = {"IDE", 0, 1,
 337                                          config_ptr->sec_disk_info.net.ip_str,
 338                                          config_ptr->sec_disk_info.net.port,
 339                                          config_ptr->sec_disk_info.net.disk_name};
 340                 PrintDebug("Creating NET HD\n");
 341                 v3_create_device(info, "NET-HD", &cfg);
 342             }
 343         }
 344     }
 345
 346
 347
 348 #ifdef CONFIG_GENERIC
 349         configure_generic(info, config_ptr);
 350 #endif
 351
 352     // This should go last because it requires information about the Harddrives
 353     v3_create_device(info, "NVRAM", "IDE");
 354
 355     PrintDebugDevMgr(info);
 356
 357     return 0;
 358 }
 359
 360
 361
 362 #ifdef CONFIG_GENERIC
 363 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
 364     PrintDebug("Creating Generic Device\n");
 365     v3_create_device(info, "GENERIC", NULL);
 366
 367
 368     struct vm_device * generic = v3_find_dev(info, "GENERIC");
 369
 370     if (!generic) {
 371         PrintError("Could not find generic device\n");
 372         return -1;
 373     }
 374
 375     // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
 376
 377
 378     // Make the DMA controller invisible
 379     v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channels 0,1,2,3 (address, counter)
 380     v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channels 4,5,6,7 (address, counter)
 381     v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 0 page register
 382     v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 1 page register
 383     v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 2 page register
 384     v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 3 page register
 385     v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 4 page register
 386     v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 5 page register
 387     v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 6 page register
 388     v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 7 page register
 389     v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE);   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 390     v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE);   // DMA 2 misc registers
 391
 392
 393
 394
 395     // Make the Serial ports invisible
 396
 397     v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 1
 398     v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 2
 399
 400
 401
 402
 403     v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 3
 404     v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 4
 405
 406
 407
 408
 409     // Make the PCI bus invisible (at least it's configuration)
 410
 411     //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
 412     //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
 413
 414
 415
 416 #if 0
 417     if (!use_ramdisk) {
 418         // Monitor the IDE controllers (very slow)
 419         v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 420         v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 421     }
 422
 423
 424     v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 425     v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 426 #endif
 427
 428
 429 #if 0
 430
 431     // Make the floppy controllers invisible
 432
 433     v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
 434     v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
 435     v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
 436     v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
 437     v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
 438     v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
 439
 440 #endif
 441
 442 #if 1
 443
 444     // Make the parallel port invisible
 445
 446     v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
 447
 448 #endif
 449
 450 #ifndef CONFIG_VIDEO
 451
 452     // Monitor graphics card operations
 453
 454     v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
 455     v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
 456
 457 #endif
 458
 459
 460 #if 1
 461     // Make the ISA PNP features invisible
 462
 463     v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
 464     v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
 465     v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
 466 #endif
 467
 468
 469 #if 1
 470     // Monitor any network card (realtek ne2000) operations
 471     v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
 472 #endif
 473
 474     //  v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
 475
 476     return 0;
 477 }
 478 #endif