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