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_profiler.h>
  26 #include <palacios/vmm_mem.h>
  27 #include <palacios/vmm_hypercall.h>
  28 #include <palacios/vmm_dev_mgr.h>
  29
  30
  31 #include <devices/generic.h>
  32 #include <devices/ide.h>
  33 #include <devices/ram_cd.h>
  34 #include <devices/net_cd.h>
  35 #include <devices/ram_hd.h>
  36 #include <devices/net_hd.h>
  37
  38
  39 #include <palacios/vmm_host_events.h>
  40
  41 #define USE_GENERIC 1
  42
  43
  44 #include <palacios/vmm_socket.h>
  45
  46
  47 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
  48 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
  49 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
  50
  51
  52
  53
  54 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
  55
  56     return length;
  57     //  memcpy((void*)guest_addr, src, length);
  58     PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
  59     PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
  60
  61     return length;
  62 }
  63
  64
  65 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
  66    extern v3_cpu_arch_t v3_cpu_type;
  67
  68     // Amount of ram the Guest will have, rounded to a 4K page boundary
  69     info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
  70
  71
  72     // Initialize the subsystem data strutures
  73     v3_init_time(info);
  74     v3_init_io_map(info);
  75     v3_init_msr_map(info);
  76     v3_init_interrupt_state(info);
  77     v3_init_exception_state(info);
  78     v3_init_dev_mgr(info);
  79     v3_init_host_events(info);
  80
  81
  82     v3_init_decoder(info);
  83
  84     v3_init_hypercall_map(info);
  85
  86
  87     // Initialize the memory map
  88     v3_init_shadow_map(info);
  89
  90     if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
  91         (config_ptr->enable_nested_paging == 1)) {
  92         PrintDebug("Guest Page Mode: NESTED_PAGING\n");
  93         info->shdw_pg_mode = NESTED_PAGING;
  94     } else {
  95         PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
  96         v3_init_shadow_page_state(info);
  97         info->shdw_pg_mode = SHADOW_PAGING;
  98     }
  99
 100     if (config_ptr->enable_profiling) {
 101         info->enable_profiler = 1;
 102         v3_init_profiler(info);
 103     } else {
 104         info->enable_profiler = 0;
 105     }
 106
 107     if (config_ptr->schedule_freq == 0) {
 108         // set the schedule frequency to 100 HZ
 109         config_ptr->schedule_freq = 100;
 110     }
 111
 112     PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
 113
 114     info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
 115
 116     // Initial CPU operating mode
 117     info->cpu_mode = REAL;
 118     info->mem_mode = PHYSICAL_MEM;
 119
 120     return 0;
 121 }
 122
 123
 124 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
 125
 126     // Configure the memory map for the guest
 127     if (setup_memory_map(info, config_ptr) == -1) {
 128         PrintError("Setting up guest memory map failed...\n");
 129         return -1;
 130     }
 131
 132     //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
 133
 134     if (setup_devices(info, config_ptr) == -1) {
 135         PrintError("Failed to setup devices\n");
 136         return -1;
 137     }
 138
 139     info->run_state = VM_STOPPED;
 140
 141     info->vm_regs.rdi = 0;
 142     info->vm_regs.rsi = 0;
 143     info->vm_regs.rbp = 0;
 144     info->vm_regs.rsp = 0;
 145     info->vm_regs.rbx = 0;
 146     info->vm_regs.rdx = 0;
 147     info->vm_regs.rcx = 0;
 148     info->vm_regs.rax = 0;
 149
 150     return 0;
 151 }
 152
 153
 154
 155
 156
 157 /* TODO:
 158  * The amount of guest memory is stored in info->mem_size
 159  * We need to make sure the memory map extends to cover it
 160  */
 161 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
 162     PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
 163
 164     // VGA frame buffer
 165     if (1) {
 166         if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
 167             PrintError("Could not map VGA framebuffer\n");
 168             return -1;
 169         }
 170     } else {
 171         v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000,  passthrough_mem_write, NULL);
 172     }
 173
 174 #define VGABIOS_START 0x000c0000
 175 #define ROMBIOS_START 0x000f0000
 176
 177     /* layout vgabios */
 178     {
 179         extern uint8_t v3_vgabios_start[];
 180         extern uint8_t v3_vgabios_end[];
 181
 182         addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
 183         memcpy(V3_VAddr((void *)vgabios_dst), v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
 184     }
 185
 186     /* layout rombios */
 187     {
 188         extern uint8_t v3_rombios_start[];
 189         extern uint8_t v3_rombios_end[];
 190
 191         addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
 192         memcpy(V3_VAddr((void *)rombios_dst), v3_rombios_start, v3_rombios_end - v3_rombios_start);
 193     }
 194
 195 #ifdef CRAY_XT
 196     {
 197 #define SEASTAR_START 0xffe00000
 198 #define SEASTAR_END 0xffffffff
 199         // Map the Seastar straight through
 200         if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
 201             PrintError("Could not map through the seastar\n");
 202             return -1;
 203         }
 204     }
 205 #endif
 206
 207     print_shadow_map(info);
 208
 209     return 0;
 210 }
 211
 212
 213
 214 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
 215
 216     v3_create_device(info, "8259A", NULL);
 217     v3_create_device(info, "KEYBOARD", NULL);
 218     v3_create_device(info, "8254_PIT", NULL);
 219     v3_create_device(info, "BOCHS_DEBUG", NULL);
 220     v3_create_device(info, "OS_DEBUG", NULL);
 221     v3_create_device(info, "LAPIC", NULL);
 222     v3_create_device(info, "IOAPIC", "LAPIC");
 223     v3_create_device(info, "VMNET", NULL);
 224
 225     int use_generic = USE_GENERIC;
 226
 227     if (config_ptr->enable_pci == 1) {
 228         struct ide_cfg ide_config = {"PCI", "PIIX3"};
 229
 230         v3_create_device(info, "PCI", NULL);
 231         v3_create_device(info, "i440FX", "PCI");
 232         v3_create_device(info, "PIIX3", "PCI");
 233
 234
 235         v3_create_device(info, "LNX_VIRTIO_SYM", "PCI");
 236         v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
 237         v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
 238         v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
 239
 240
 241         v3_create_device(info, "IDE", &ide_config);
 242     } else {
 243         v3_create_device(info, "IDE", NULL);
 244     }
 245
 246
 247     if (config_ptr->pri_disk_type != NONE) {
 248         if (config_ptr->pri_disk_type == CDROM) {
 249             if (config_ptr->pri_disk_con == RAM) {
 250                 struct ram_cd_cfg cfg = {"IDE", 0, 0,
 251                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 252                                          config_ptr->pri_disk_info.ram.size};
 253
 254                 PrintDebug("Creating RAM CD\n");
 255
 256                 v3_create_device(info, "RAM-CD", &cfg);
 257             } else if (config_ptr->pri_disk_con == NETWORK) {
 258                 struct net_cd_cfg cfg = {"IDE", 0, 0,
 259                                          config_ptr->pri_disk_info.net.ip_str,
 260                                          config_ptr->pri_disk_info.net.port,
 261                                          config_ptr->pri_disk_info.net.disk_name};
 262                 PrintDebug("Creating NET CD\n");
 263
 264                 v3_create_device(info, "NET-CD", &cfg);
 265             }
 266         } else if (config_ptr->pri_disk_type == HARDDRIVE) {
 267             if (config_ptr->pri_disk_con == RAM) {
 268                 struct ram_hd_cfg cfg = {"IDE", 0, 0,
 269                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 270                                          config_ptr->pri_disk_info.ram.size};
 271
 272                 PrintDebug("Creating RAM HD\n");
 273
 274                 v3_create_device(info, "RAM-HD", &cfg);
 275             } else if (config_ptr->pri_disk_con == NETWORK) {
 276                 struct net_hd_cfg cfg  = {"IDE", 0, 0,
 277                                           config_ptr->pri_disk_info.net.ip_str,
 278                                           config_ptr->pri_disk_info.net.port,
 279                                           config_ptr->pri_disk_info.net.disk_name};
 280                 PrintDebug("Creating NET HD\n");
 281                 v3_create_device(info, "NET-HD", &cfg);
 282             }
 283         }
 284     }
 285
 286
 287
 288     if (config_ptr->sec_disk_type != NONE) {
 289         if (config_ptr->sec_disk_type == CDROM) {
 290             if (config_ptr->sec_disk_con == RAM) {
 291                 struct ram_cd_cfg cfg = {"IDE", 0, 1,
 292                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 293                                          config_ptr->sec_disk_info.ram.size};
 294
 295                 PrintDebug("Creating RAM CD\n");
 296                 v3_create_device(info, "RAM-CD", &cfg);
 297             } else if (config_ptr->sec_disk_con == NETWORK) {
 298                 struct net_cd_cfg cfg = {"IDE", 0, 1,
 299                                          config_ptr->sec_disk_info.net.ip_str,
 300                                          config_ptr->sec_disk_info.net.port,
 301                                          config_ptr->sec_disk_info.net.disk_name};
 302
 303                 PrintDebug("Creating NET CD\n");
 304                 v3_create_device(info, "NET-CD", &cfg);
 305             }
 306         } else if (config_ptr->sec_disk_type == HARDDRIVE) {
 307             if (config_ptr->sec_disk_con == RAM) {
 308                 struct ram_hd_cfg cfg = {"IDE", 0, 1,
 309                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 310                                          config_ptr->sec_disk_info.ram.size};
 311                 PrintDebug("Creating RAM HD\n");
 312                 v3_create_device(info, "RAM-HD", &cfg);
 313             } else if (config_ptr->sec_disk_con == NETWORK) {
 314                 struct net_hd_cfg cfg = {"IDE", 0, 1,
 315                                          config_ptr->sec_disk_info.net.ip_str,
 316                                          config_ptr->sec_disk_info.net.port,
 317                                          config_ptr->sec_disk_info.net.disk_name};
 318                 PrintDebug("Creating NET HD\n");
 319                 v3_create_device(info, "NET-HD", &cfg);
 320             }
 321         }
 322     }
 323
 324
 325
 326     if (use_generic) {
 327         configure_generic(info, config_ptr);
 328     }
 329
 330     // This should go last because it requires information about the Harddrives
 331     v3_create_device(info, "NVRAM", "IDE");
 332
 333     PrintDebugDevMgr(info);
 334
 335     return 0;
 336 }
 337
 338
 339
 340
 341 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
 342     PrintDebug("Creating Generic Device\n");
 343     v3_create_device(info, "GENERIC", NULL);
 344
 345
 346     struct vm_device * generic = v3_find_dev(info, "GENERIC");
 347
 348     if (!generic) {
 349         PrintError("Could not find generic device\n");
 350         return -1;
 351     }
 352
 353     // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
 354
 355
 356     // Make the DMA controller invisible
 357     v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channels 0,1,2,3 (address, counter)
 358     v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channels 4,5,6,7 (address, counter)
 359     v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 0 page register
 360     v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 1 page register
 361     v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 2 page register
 362     v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 3 page register
 363     v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 4 page register
 364     v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 5 page register
 365     v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 6 page register
 366     v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 7 page register
 367     v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE);   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 368     v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE);   // DMA 2 misc registers
 369
 370
 371
 372
 373     // Make the Serial ports invisible
 374
 375     v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 1
 376     v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 2
 377
 378
 379
 380
 381     v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 3
 382     v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 4
 383
 384
 385
 386
 387     // Make the PCI bus invisible (at least it's configuration)
 388
 389     //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
 390     //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
 391
 392
 393
 394 #if 0
 395     if (!use_ramdisk) {
 396         // Monitor the IDE controllers (very slow)
 397         v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 398         v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 399     }
 400
 401
 402     v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 403     v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 404 #endif
 405
 406
 407 #if 0
 408
 409     // Make the floppy controllers invisible
 410
 411     v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
 412     v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
 413     v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
 414     v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
 415     v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
 416     v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
 417
 418 #endif
 419
 420 #if 1
 421
 422     // Make the parallel port invisible
 423
 424     v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
 425
 426 #endif
 427
 428 #if 1
 429
 430     // Monitor graphics card operations
 431
 432     v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
 433     v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
 434
 435 #endif
 436
 437
 438 #if 1
 439     // Make the ISA PNP features invisible
 440
 441     v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
 442     v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
 443     v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
 444 #endif
 445
 446
 447 #if 1
 448     // Monitor any network card (realtek ne2000) operations
 449     v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
 450 #endif
 451
 452     //  v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
 453
 454     return 0;
 455 }