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 #include <devices/video.h>
  39
  40
  41 #include <palacios/vmm_host_events.h>
  42
  43 #define USE_GENERIC 1
  44
  45
  46 #include <palacios/vmm_socket.h>
  47
  48
  49 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
  50 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
  51 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
  52
  53
  54
  55 #ifndef VIDEO
  56 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
  57
  58     return length;
  59     //  memcpy((void*)guest_addr, src, length);
  60     PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
  61     PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
  62
  63     return length;
  64 }
  65 #endif
  66
  67 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
  68    extern v3_cpu_arch_t v3_cpu_type;
  69
  70     // Amount of ram the Guest will have, rounded to a 4K page boundary
  71     info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
  72
  73
  74     // Initialize the subsystem data strutures
  75     v3_init_time(info);
  76     v3_init_io_map(info);
  77     v3_init_msr_map(info);
  78     v3_init_interrupt_state(info);
  79     v3_init_exception_state(info);
  80     v3_init_dev_mgr(info);
  81     v3_init_host_events(info);
  82
  83
  84     v3_init_decoder(info);
  85
  86     v3_init_hypercall_map(info);
  87
  88
  89     // Initialize the memory map
  90     v3_init_shadow_map(info);
  91
  92     if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
  93         (config_ptr->enable_nested_paging == 1)) {
  94         PrintDebug("Guest Page Mode: NESTED_PAGING\n");
  95         info->shdw_pg_mode = NESTED_PAGING;
  96     } else {
  97         PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
  98         v3_init_shadow_page_state(info);
  99         info->shdw_pg_mode = SHADOW_PAGING;
 100     }
 101
 102 #ifdef CONFIG_PROFILE_VMM
 103     if (config_ptr->enable_profiling) {
 104         info->enable_profiler = 1;
 105         v3_init_profiler(info);
 106     } else {
 107         info->enable_profiler = 0;
 108     }
 109 #endif
 110
 111     if (config_ptr->schedule_freq == 0) {
 112         // set the schedule frequency to 100 HZ
 113         config_ptr->schedule_freq = 100;
 114     }
 115
 116     PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
 117
 118     info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
 119
 120     // Initial CPU operating mode
 121     info->cpu_mode = REAL;
 122     info->mem_mode = PHYSICAL_MEM;
 123
 124     return 0;
 125 }
 126
 127
 128 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
 129
 130     // Configure the memory map for the guest
 131     if (setup_memory_map(info, config_ptr) == -1) {
 132         PrintError("Setting up guest memory map failed...\n");
 133         return -1;
 134     }
 135
 136     //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
 137
 138     if (setup_devices(info, config_ptr) == -1) {
 139         PrintError("Failed to setup devices\n");
 140         return -1;
 141     }
 142
 143     info->run_state = VM_STOPPED;
 144
 145     info->vm_regs.rdi = 0;
 146     info->vm_regs.rsi = 0;
 147     info->vm_regs.rbp = 0;
 148     info->vm_regs.rsp = 0;
 149     info->vm_regs.rbx = 0;
 150     info->vm_regs.rdx = 0;
 151     info->vm_regs.rcx = 0;
 152     info->vm_regs.rax = 0;
 153
 154     return 0;
 155 }
 156
 157
 158
 159
 160
 161 /* TODO:
 162  * The amount of guest memory is stored in info->mem_size
 163  * We need to make sure the memory map extends to cover it
 164  */
 165 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
 166
 167 #ifndef VIDEO
 168     PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
 169
 170     // VGA frame buffer
 171     if (1) {
 172         if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
 173             PrintError("Could not map VGA framebuffer\n");
 174             return -1;
 175         }
 176     } else {
 177         v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000,  passthrough_mem_write, NULL);
 178     }
 179 #endif
 180
 181 #define VGABIOS_START 0x000c0000
 182 #define ROMBIOS_START 0x000f0000
 183
 184     /* layout vgabios */
 185     {
 186         extern uint8_t v3_vgabios_start[];
 187         extern uint8_t v3_vgabios_end[];
 188
 189         addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
 190         memcpy(V3_VAddr((void *)vgabios_dst), v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
 191     }
 192
 193     /* layout rombios */
 194     {
 195         extern uint8_t v3_rombios_start[];
 196         extern uint8_t v3_rombios_end[];
 197
 198         addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
 199         memcpy(V3_VAddr((void *)rombios_dst), v3_rombios_start, v3_rombios_end - v3_rombios_start);
 200     }
 201
 202 #ifdef CONFIG_CRAY_XT
 203     {
 204 #define SEASTAR_START 0xffe00000
 205 #define SEASTAR_END 0xffffffff
 206         // Map the Seastar straight through
 207         if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
 208             PrintError("Could not map through the seastar\n");
 209             return -1;
 210         }
 211     }
 212 #endif
 213
 214     print_shadow_map(info);
 215
 216     return 0;
 217 }
 218
 219
 220
 221 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
 222
 223     v3_create_device(info, "8259A", NULL);
 224     v3_create_device(info, "KEYBOARD", NULL);
 225     v3_create_device(info, "8254_PIT", NULL);
 226     v3_create_device(info, "BOCHS_DEBUG", NULL);
 227     v3_create_device(info, "OS_DEBUG", NULL);
 228     v3_create_device(info, "LAPIC", NULL);
 229     v3_create_device(info, "IOAPIC", "LAPIC");
 230     v3_create_device(info, "VMNET", NULL);
 231
 232     int use_generic = USE_GENERIC;
 233
 234     if (config_ptr->enable_pci == 1) {
 235         struct ide_cfg ide_config = {"PCI", "PIIX3"};
 236
 237         v3_create_device(info, "PCI", NULL);
 238         v3_create_device(info, "i440FX", "PCI");
 239         v3_create_device(info, "PIIX3", "PCI");
 240
 241
 242         v3_create_device(info, "LNX_VIRTIO_SYM", "PCI");
 243         v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
 244         v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
 245         v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
 246
 247         v3_create_device(info, "VIDEO", "PCI");
 248
 249         v3_create_device(info, "IDE", &ide_config);
 250     } else {
 251         v3_create_device(info, "IDE", NULL);
 252     }
 253
 254
 255     if (config_ptr->pri_disk_type != NONE) {
 256         if (config_ptr->pri_disk_type == CDROM) {
 257             if (config_ptr->pri_disk_con == RAM) {
 258                 struct ram_cd_cfg cfg = {"IDE", 0, 0,
 259                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 260                                          config_ptr->pri_disk_info.ram.size};
 261
 262                 PrintDebug("Creating RAM CD\n");
 263
 264                 v3_create_device(info, "RAM-CD", &cfg);
 265             } else if (config_ptr->pri_disk_con == NETWORK) {
 266                 struct net_cd_cfg cfg = {"IDE", 0, 0,
 267                                          config_ptr->pri_disk_info.net.ip_str,
 268                                          config_ptr->pri_disk_info.net.port,
 269                                          config_ptr->pri_disk_info.net.disk_name};
 270                 PrintDebug("Creating NET CD\n");
 271
 272                 v3_create_device(info, "NET-CD", &cfg);
 273             }
 274         } else if (config_ptr->pri_disk_type == HARDDRIVE) {
 275             if (config_ptr->pri_disk_con == RAM) {
 276                 struct ram_hd_cfg cfg = {"IDE", 0, 0,
 277                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 278                                          config_ptr->pri_disk_info.ram.size};
 279
 280                 PrintDebug("Creating RAM HD\n");
 281
 282                 v3_create_device(info, "RAM-HD", &cfg);
 283             } else if (config_ptr->pri_disk_con == NETWORK) {
 284                 struct net_hd_cfg cfg  = {"IDE", 0, 0,
 285                                           config_ptr->pri_disk_info.net.ip_str,
 286                                           config_ptr->pri_disk_info.net.port,
 287                                           config_ptr->pri_disk_info.net.disk_name};
 288                 PrintDebug("Creating NET HD\n");
 289                 v3_create_device(info, "NET-HD", &cfg);
 290             }
 291         }
 292     }
 293
 294
 295
 296     if (config_ptr->sec_disk_type != NONE) {
 297         if (config_ptr->sec_disk_type == CDROM) {
 298             if (config_ptr->sec_disk_con == RAM) {
 299                 struct ram_cd_cfg cfg = {"IDE", 0, 1,
 300                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 301                                          config_ptr->sec_disk_info.ram.size};
 302
 303                 PrintDebug("Creating RAM CD\n");
 304                 v3_create_device(info, "RAM-CD", &cfg);
 305             } else if (config_ptr->sec_disk_con == NETWORK) {
 306                 struct net_cd_cfg cfg = {"IDE", 0, 1,
 307                                          config_ptr->sec_disk_info.net.ip_str,
 308                                          config_ptr->sec_disk_info.net.port,
 309                                          config_ptr->sec_disk_info.net.disk_name};
 310
 311                 PrintDebug("Creating NET CD\n");
 312                 v3_create_device(info, "NET-CD", &cfg);
 313             }
 314         } else if (config_ptr->sec_disk_type == HARDDRIVE) {
 315             if (config_ptr->sec_disk_con == RAM) {
 316                 struct ram_hd_cfg cfg = {"IDE", 0, 1,
 317                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 318                                          config_ptr->sec_disk_info.ram.size};
 319                 PrintDebug("Creating RAM HD\n");
 320                 v3_create_device(info, "RAM-HD", &cfg);
 321             } else if (config_ptr->sec_disk_con == NETWORK) {
 322                 struct net_hd_cfg cfg = {"IDE", 0, 1,
 323                                          config_ptr->sec_disk_info.net.ip_str,
 324                                          config_ptr->sec_disk_info.net.port,
 325                                          config_ptr->sec_disk_info.net.disk_name};
 326                 PrintDebug("Creating NET HD\n");
 327                 v3_create_device(info, "NET-HD", &cfg);
 328             }
 329         }
 330     }
 331
 332
 333
 334     if (use_generic) {
 335         configure_generic(info, config_ptr);
 336     }
 337
 338     // This should go last because it requires information about the Harddrives
 339     v3_create_device(info, "NVRAM", "IDE");
 340
 341     PrintDebugDevMgr(info);
 342
 343     return 0;
 344 }
 345
 346
 347
 348
 349 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
 350     PrintDebug("Creating Generic Device\n");
 351     v3_create_device(info, "GENERIC", NULL);
 352
 353
 354     struct vm_device * generic = v3_find_dev(info, "GENERIC");
 355
 356     if (!generic) {
 357         PrintError("Could not find generic device\n");
 358         return -1;
 359     }
 360
 361     // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
 362
 363
 364     // Make the DMA controller invisible
 365     v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channels 0,1,2,3 (address, counter)
 366     v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channels 4,5,6,7 (address, counter)
 367     v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 0 page register
 368     v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 1 page register
 369     v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 2 page register
 370     v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 3 page register
 371     v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 4 page register
 372     v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 5 page register
 373     v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 6 page register
 374     v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 7 page register
 375     v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE);   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 376     v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE);   // DMA 2 misc registers
 377
 378
 379
 380
 381     // Make the Serial ports invisible
 382
 383     v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 1
 384     v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 2
 385
 386
 387
 388
 389     v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 3
 390     v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 4
 391
 392
 393
 394
 395     // Make the PCI bus invisible (at least it's configuration)
 396
 397     //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
 398     //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
 399
 400
 401
 402 #if 0
 403     if (!use_ramdisk) {
 404         // Monitor the IDE controllers (very slow)
 405         v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 406         v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 407     }
 408
 409
 410     v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 411     v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 412 #endif
 413
 414
 415 #if 0
 416
 417     // Make the floppy controllers invisible
 418
 419     v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
 420     v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
 421     v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
 422     v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
 423     v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
 424     v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
 425
 426 #endif
 427
 428 #if 1
 429
 430     // Make the parallel port invisible
 431
 432     v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
 433
 434 #endif
 435
 436 #ifndef VIDEO
 437
 438     // Monitor graphics card operations
 439
 440     v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
 441     v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
 442
 443 #endif
 444
 445
 446 #if 1
 447     // Make the ISA PNP features invisible
 448
 449     v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
 450     v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
 451     v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
 452 #endif
 453
 454
 455 #if 1
 456     // Monitor any network card (realtek ne2000) operations
 457     v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
 458 #endif
 459
 460     //  v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
 461
 462     return 0;
 463 }