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