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 #ifdef CONFIG_PROFILE_VMM
 101     if (config_ptr->enable_profiling) {
 102         info->enable_profiler = 1;
 103         v3_init_profiler(info);
 104     } else {
 105         info->enable_profiler = 0;
 106     }
 107 #endif
 108
 109     if (config_ptr->schedule_freq == 0) {
 110         // set the schedule frequency to 100 HZ
 111         config_ptr->schedule_freq = 100;
 112     }
 113
 114     PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
 115
 116     info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
 117
 118     // Initial CPU operating mode
 119     info->cpu_mode = REAL;
 120     info->mem_mode = PHYSICAL_MEM;
 121
 122     return 0;
 123 }
 124
 125
 126 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
 127
 128     // Configure the memory map for the guest
 129     if (setup_memory_map(info, config_ptr) == -1) {
 130         PrintError("Setting up guest memory map failed...\n");
 131         return -1;
 132     }
 133
 134     //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
 135
 136     if (setup_devices(info, config_ptr) == -1) {
 137         PrintError("Failed to setup devices\n");
 138         return -1;
 139     }
 140
 141     info->run_state = VM_STOPPED;
 142
 143     info->vm_regs.rdi = 0;
 144     info->vm_regs.rsi = 0;
 145     info->vm_regs.rbp = 0;
 146     info->vm_regs.rsp = 0;
 147     info->vm_regs.rbx = 0;
 148     info->vm_regs.rdx = 0;
 149     info->vm_regs.rcx = 0;
 150     info->vm_regs.rax = 0;
 151
 152     return 0;
 153 }
 154
 155
 156
 157
 158
 159 /* TODO:
 160  * The amount of guest memory is stored in info->mem_size
 161  * We need to make sure the memory map extends to cover it
 162  */
 163 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
 164     PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
 165
 166     // VGA frame buffer
 167     if (1) {
 168         if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
 169             PrintError("Could not map VGA framebuffer\n");
 170             return -1;
 171         }
 172     } else {
 173         v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000,  passthrough_mem_write, NULL);
 174     }
 175
 176 #define VGABIOS_START 0x000c0000
 177 #define ROMBIOS_START 0x000f0000
 178
 179     /* layout vgabios */
 180     {
 181         extern uint8_t v3_vgabios_start[];
 182         extern uint8_t v3_vgabios_end[];
 183
 184         addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
 185         memcpy(V3_VAddr((void *)vgabios_dst), v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
 186     }
 187
 188     /* layout rombios */
 189     {
 190         extern uint8_t v3_rombios_start[];
 191         extern uint8_t v3_rombios_end[];
 192
 193         addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
 194         memcpy(V3_VAddr((void *)rombios_dst), v3_rombios_start, v3_rombios_end - v3_rombios_start);
 195     }
 196
 197 #ifdef CONFIG_CRAY_XT
 198     {
 199 #define SEASTAR_START 0xffe00000
 200 #define SEASTAR_END 0xffffffff
 201         // Map the Seastar straight through
 202         if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
 203             PrintError("Could not map through the seastar\n");
 204             return -1;
 205         }
 206     }
 207 #endif
 208
 209     print_shadow_map(info);
 210
 211     return 0;
 212 }
 213
 214
 215
 216 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
 217
 218     v3_create_device(info, "8259A", NULL);
 219     v3_create_device(info, "KEYBOARD", NULL);
 220     v3_create_device(info, "8254_PIT", NULL);
 221     v3_create_device(info, "BOCHS_DEBUG", NULL);
 222     v3_create_device(info, "OS_DEBUG", NULL);
 223     v3_create_device(info, "LAPIC", NULL);
 224     v3_create_device(info, "IOAPIC", "LAPIC");
 225     v3_create_device(info, "VMNET", NULL);
 226
 227     int use_generic = USE_GENERIC;
 228
 229     if (config_ptr->enable_pci == 1) {
 230         struct ide_cfg ide_config = {"PCI", "PIIX3"};
 231
 232         v3_create_device(info, "PCI", NULL);
 233         v3_create_device(info, "i440FX", "PCI");
 234         v3_create_device(info, "PIIX3", "PCI");
 235
 236
 237         v3_create_device(info, "LNX_VIRTIO_SYM", "PCI");
 238         v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
 239         v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
 240         v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
 241
 242
 243         v3_create_device(info, "IDE", &ide_config);
 244     } else {
 245         v3_create_device(info, "IDE", NULL);
 246     }
 247
 248
 249     if (config_ptr->pri_disk_type != NONE) {
 250         if (config_ptr->pri_disk_type == CDROM) {
 251             if (config_ptr->pri_disk_con == RAM) {
 252                 struct ram_cd_cfg cfg = {"IDE", 0, 0,
 253                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 254                                          config_ptr->pri_disk_info.ram.size};
 255
 256                 PrintDebug("Creating RAM CD\n");
 257
 258                 v3_create_device(info, "RAM-CD", &cfg);
 259             } else if (config_ptr->pri_disk_con == NETWORK) {
 260                 struct net_cd_cfg cfg = {"IDE", 0, 0,
 261                                          config_ptr->pri_disk_info.net.ip_str,
 262                                          config_ptr->pri_disk_info.net.port,
 263                                          config_ptr->pri_disk_info.net.disk_name};
 264                 PrintDebug("Creating NET CD\n");
 265
 266                 v3_create_device(info, "NET-CD", &cfg);
 267             }
 268         } else if (config_ptr->pri_disk_type == HARDDRIVE) {
 269             if (config_ptr->pri_disk_con == RAM) {
 270                 struct ram_hd_cfg cfg = {"IDE", 0, 0,
 271                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 272                                          config_ptr->pri_disk_info.ram.size};
 273
 274                 PrintDebug("Creating RAM HD\n");
 275
 276                 v3_create_device(info, "RAM-HD", &cfg);
 277             } else if (config_ptr->pri_disk_con == NETWORK) {
 278                 struct net_hd_cfg cfg  = {"IDE", 0, 0,
 279                                           config_ptr->pri_disk_info.net.ip_str,
 280                                           config_ptr->pri_disk_info.net.port,
 281                                           config_ptr->pri_disk_info.net.disk_name};
 282                 PrintDebug("Creating NET HD\n");
 283                 v3_create_device(info, "NET-HD", &cfg);
 284             }
 285         }
 286     }
 287
 288
 289
 290     if (config_ptr->sec_disk_type != NONE) {
 291         if (config_ptr->sec_disk_type == CDROM) {
 292             if (config_ptr->sec_disk_con == RAM) {
 293                 struct ram_cd_cfg cfg = {"IDE", 0, 1,
 294                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 295                                          config_ptr->sec_disk_info.ram.size};
 296
 297                 PrintDebug("Creating RAM CD\n");
 298                 v3_create_device(info, "RAM-CD", &cfg);
 299             } else if (config_ptr->sec_disk_con == NETWORK) {
 300                 struct net_cd_cfg cfg = {"IDE", 0, 1,
 301                                          config_ptr->sec_disk_info.net.ip_str,
 302                                          config_ptr->sec_disk_info.net.port,
 303                                          config_ptr->sec_disk_info.net.disk_name};
 304
 305                 PrintDebug("Creating NET CD\n");
 306                 v3_create_device(info, "NET-CD", &cfg);
 307             }
 308         } else if (config_ptr->sec_disk_type == HARDDRIVE) {
 309             if (config_ptr->sec_disk_con == RAM) {
 310                 struct ram_hd_cfg cfg = {"IDE", 0, 1,
 311                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 312                                          config_ptr->sec_disk_info.ram.size};
 313                 PrintDebug("Creating RAM HD\n");
 314                 v3_create_device(info, "RAM-HD", &cfg);
 315             } else if (config_ptr->sec_disk_con == NETWORK) {
 316                 struct net_hd_cfg cfg = {"IDE", 0, 1,
 317                                          config_ptr->sec_disk_info.net.ip_str,
 318                                          config_ptr->sec_disk_info.net.port,
 319                                          config_ptr->sec_disk_info.net.disk_name};
 320                 PrintDebug("Creating NET HD\n");
 321                 v3_create_device(info, "NET-HD", &cfg);
 322             }
 323         }
 324     }
 325
 326
 327
 328     if (use_generic) {
 329         configure_generic(info, config_ptr);
 330     }
 331
 332     // This should go last because it requires information about the Harddrives
 333     v3_create_device(info, "NVRAM", "IDE");
 334
 335     PrintDebugDevMgr(info);
 336
 337     return 0;
 338 }
 339
 340
 341
 342
 343 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
 344     PrintDebug("Creating Generic Device\n");
 345     v3_create_device(info, "GENERIC", NULL);
 346
 347
 348     struct vm_device * generic = v3_find_dev(info, "GENERIC");
 349
 350     if (!generic) {
 351         PrintError("Could not find generic device\n");
 352         return -1;
 353     }
 354
 355     // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
 356
 357
 358     // Make the DMA controller invisible
 359     v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channels 0,1,2,3 (address, counter)
 360     v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channels 4,5,6,7 (address, counter)
 361     v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 0 page register
 362     v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 1 page register
 363     v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 2 page register
 364     v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 3 page register
 365     v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 4 page register
 366     v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 5 page register
 367     v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 6 page register
 368     v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 7 page register
 369     v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE);   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 370     v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE);   // DMA 2 misc registers
 371
 372
 373
 374
 375     // Make the Serial ports invisible
 376
 377     v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 1
 378     v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 2
 379
 380
 381
 382
 383     v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 3
 384     v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 4
 385
 386
 387
 388
 389     // Make the PCI bus invisible (at least it's configuration)
 390
 391     //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
 392     //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
 393
 394
 395
 396 #if 0
 397     if (!use_ramdisk) {
 398         // Monitor the IDE controllers (very slow)
 399         v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 400         v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 401     }
 402
 403
 404     v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 405     v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 406 #endif
 407
 408
 409 #if 0
 410
 411     // Make the floppy controllers invisible
 412
 413     v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
 414     v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
 415     v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
 416     v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
 417     v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
 418     v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
 419
 420 #endif
 421
 422 #if 1
 423
 424     // Make the parallel port invisible
 425
 426     v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
 427
 428 #endif
 429
 430 #if 1
 431
 432     // Monitor graphics card operations
 433
 434     v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
 435     v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
 436
 437 #endif
 438
 439
 440 #if 1
 441     // Make the ISA PNP features invisible
 442
 443     v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
 444     v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
 445     v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
 446 #endif
 447
 448
 449 #if 1
 450     // Monitor any network card (realtek ne2000) operations
 451     v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
 452 #endif
 453
 454     //  v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
 455
 456     return 0;
 457 }