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.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
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.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
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>
30 #ifdef CONFIG_SYMBIOTIC_SWAP
31 #include <palacios/vmm_sym_swap.h>
34 #include <devices/generic.h>
35 #include <devices/ide.h>
36 #include <devices/ram_cd.h>
37 #include <devices/net_cd.h>
38 #include <devices/ram_hd.h>
39 #include <devices/net_hd.h>
41 #include <devices/telnet_cons.h>
42 #include <devices/pci_passthrough.h>
47 #include <palacios/vmm_host_events.h>
51 #include <palacios/vmm_socket.h>
54 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
55 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
56 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
60 #ifdef CONFIG_PASSTHROUGH_VIDEO
61 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
64 // memcpy((void*)guest_addr, src, length);
65 PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
66 PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
72 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
73 extern v3_cpu_arch_t v3_cpu_types[];
75 // Amount of ram the Guest will have, rounded to a 4K page boundary
76 info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
78 info->cpu_id = config_ptr->guest_cpu;
81 * Initialize the subsystem data strutures
83 #ifdef CONFIG_TELEMETRY
84 // This should go first, because other subsystems will depend on the guest_info flag
85 if (config_ptr->enable_telemetry) {
86 info->enable_telemetry = 1;
87 v3_init_telemetry(info);
89 info->enable_telemetry = 0;
95 v3_init_msr_map(info);
96 v3_init_interrupt_state(info);
97 v3_init_exception_state(info);
98 v3_init_dev_mgr(info);
99 v3_init_host_events(info);
102 v3_init_decoder(info);
104 v3_init_hypercall_map(info);
106 #ifdef CONFIG_SYMBIOTIC_SWAP
107 v3_init_sym_swap(info);
112 // Initialize the memory map
113 v3_init_shadow_map(info);
115 if ((v3_cpu_types[info->cpu_id] == V3_SVM_REV3_CPU) &&
116 (config_ptr->enable_nested_paging == 1)) {
117 PrintDebug("Guest Page Mode: NESTED_PAGING\n");
118 info->shdw_pg_mode = NESTED_PAGING;
120 PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
121 v3_init_shadow_page_state(info);
122 info->shdw_pg_mode = SHADOW_PAGING;
127 if (config_ptr->schedule_freq == 0) {
128 // set the schedule frequency to 100 HZ
129 config_ptr->schedule_freq = 100;
132 PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
134 info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
136 // Initial CPU operating mode
137 info->cpu_mode = REAL;
138 info->mem_mode = PHYSICAL_MEM;
144 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
146 // Configure the memory map for the guest
147 if (setup_memory_map(info, config_ptr) == -1) {
148 PrintError("Setting up guest memory map failed...\n");
152 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
154 if (setup_devices(info, config_ptr) == -1) {
155 PrintError("Failed to setup devices\n");
159 info->run_state = VM_STOPPED;
161 info->vm_regs.rdi = 0;
162 info->vm_regs.rsi = 0;
163 info->vm_regs.rbp = 0;
164 info->vm_regs.rsp = 0;
165 info->vm_regs.rbx = 0;
166 info->vm_regs.rdx = 0;
167 info->vm_regs.rcx = 0;
168 info->vm_regs.rax = 0;
178 * The amount of guest memory is stored in info->mem_size
179 * We need to make sure the memory map extends to cover it
181 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
183 #ifdef CONFIG_PASSTHROUGH_VIDEO
184 PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
188 if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
189 PrintError("Could not map VGA framebuffer\n");
193 v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000, passthrough_mem_write, NULL);
197 #define VGABIOS_START 0x000c0000
198 #define ROMBIOS_START 0x000f0000
202 extern uint8_t v3_vgabios_start[];
203 extern uint8_t v3_vgabios_end[];
205 addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
206 memcpy(V3_VAddr((void *)vgabios_dst), v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
211 extern uint8_t v3_rombios_start[];
212 extern uint8_t v3_rombios_end[];
214 addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
215 memcpy(V3_VAddr((void *)rombios_dst), v3_rombios_start, v3_rombios_end - v3_rombios_start);
218 #ifdef CONFIG_CRAY_XT
220 #define SEASTAR_START 0xffe00000
221 #define SEASTAR_END 0xffffffff
222 // Map the Seastar straight through
223 if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
224 PrintError("Could not map through the seastar\n");
230 v3_print_mem_map(info);
237 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
239 v3_create_device(info, "8259A", NULL);
240 v3_create_device(info, "KEYBOARD", NULL);
241 v3_create_device(info, "8254_PIT", NULL);
242 v3_create_device(info, "BOCHS_DEBUG", NULL);
243 v3_create_device(info, "OS_DEBUG", NULL);
244 v3_create_device(info, "LAPIC", NULL);
245 v3_create_device(info, "IOAPIC", "LAPIC");
246 v3_create_device(info, "VMNET", NULL);
249 v3_create_device(info, "CGA_VIDEO", (void *)1);
251 struct telnet_cons_cfg cons_cfg = {"CGA_VIDEO", 19997};
252 v3_create_device(info, "TELNET_CONSOLE", &cons_cfg);
255 if (config_ptr->enable_pci == 1) {
256 struct ide_cfg ide_config = {"PCI", "PIIX3"};
257 struct pci_passthrough_cfg pci_pt_cfg = {"PCI", "E1000", 0x8086, 0x100e};
259 v3_create_device(info, "PCI", NULL);
260 v3_create_device(info, "i440FX", "PCI");
261 v3_create_device(info, "PIIX3", "PCI");
264 v3_create_device(info, "LNX_VIRTIO_SYM", "PCI");
265 v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
266 v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
267 v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
269 v3_create_device(info, "IDE", &ide_config);
271 v3_create_device(info, "PCI_PASSTHROUGH", &pci_pt_cfg);
274 v3_create_device(info, "IDE", NULL);
278 if (config_ptr->pri_disk_type != NONE) {
279 if (config_ptr->pri_disk_type == CDROM) {
280 if (config_ptr->pri_disk_con == RAM) {
281 struct ram_cd_cfg cfg = {"IDE", 0, 0,
282 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
283 config_ptr->pri_disk_info.ram.size};
285 PrintDebug("Creating RAM CD\n");
287 v3_create_device(info, "RAM-CD", &cfg);
288 } else if (config_ptr->pri_disk_con == NETWORK) {
289 struct net_cd_cfg cfg = {"IDE", 0, 0,
290 config_ptr->pri_disk_info.net.ip_str,
291 config_ptr->pri_disk_info.net.port,
292 config_ptr->pri_disk_info.net.disk_name};
293 PrintDebug("Creating NET CD\n");
295 v3_create_device(info, "NET-CD", &cfg);
297 } else if (config_ptr->pri_disk_type == HARDDRIVE) {
298 if (config_ptr->pri_disk_con == RAM) {
299 struct ram_hd_cfg cfg = {"IDE", 0, 0,
300 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
301 config_ptr->pri_disk_info.ram.size};
303 PrintDebug("Creating RAM HD\n");
305 v3_create_device(info, "RAM-HD", &cfg);
306 } else if (config_ptr->pri_disk_con == NETWORK) {
307 struct net_hd_cfg cfg = {"IDE", 0, 0,
308 config_ptr->pri_disk_info.net.ip_str,
309 config_ptr->pri_disk_info.net.port,
310 config_ptr->pri_disk_info.net.disk_name};
311 PrintDebug("Creating NET HD\n");
312 v3_create_device(info, "NET-HD", &cfg);
319 if (config_ptr->sec_disk_type != NONE) {
320 if (config_ptr->sec_disk_type == CDROM) {
321 if (config_ptr->sec_disk_con == RAM) {
322 struct ram_cd_cfg cfg = {"IDE", 0, 1,
323 (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
324 config_ptr->sec_disk_info.ram.size};
326 PrintDebug("Creating RAM CD\n");
327 v3_create_device(info, "RAM-CD", &cfg);
328 } else if (config_ptr->sec_disk_con == NETWORK) {
329 struct net_cd_cfg cfg = {"IDE", 0, 1,
330 config_ptr->sec_disk_info.net.ip_str,
331 config_ptr->sec_disk_info.net.port,
332 config_ptr->sec_disk_info.net.disk_name};
334 PrintDebug("Creating NET CD\n");
335 v3_create_device(info, "NET-CD", &cfg);
337 } else if (config_ptr->sec_disk_type == HARDDRIVE) {
338 if (config_ptr->sec_disk_con == RAM) {
339 struct ram_hd_cfg cfg = {"IDE", 0, 1,
340 (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
341 config_ptr->sec_disk_info.ram.size};
342 PrintDebug("Creating RAM HD\n");
343 v3_create_device(info, "RAM-HD", &cfg);
344 } else if (config_ptr->sec_disk_con == NETWORK) {
345 struct net_hd_cfg cfg = {"IDE", 0, 1,
346 config_ptr->sec_disk_info.net.ip_str,
347 config_ptr->sec_disk_info.net.port,
348 config_ptr->sec_disk_info.net.disk_name};
349 PrintDebug("Creating NET HD\n");
350 v3_create_device(info, "NET-HD", &cfg);
357 #ifdef CONFIG_GENERIC
358 configure_generic(info, config_ptr);
361 // This should go last because it requires information about the Harddrives
362 v3_create_device(info, "NVRAM", "IDE");
364 PrintDebugDevMgr(info);
371 #ifdef CONFIG_GENERIC
372 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
373 PrintDebug("Creating Generic Device\n");
374 v3_create_device(info, "GENERIC", NULL);
377 struct vm_device * generic = v3_find_dev(info, "GENERIC");
380 PrintError("Could not find generic device\n");
384 // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
387 // Make the DMA controller invisible
388 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
389 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
390 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
391 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
392 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
393 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
394 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
395 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
396 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
397 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
398 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
399 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
404 // Make the Serial ports invisible
406 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
407 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
412 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
413 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
418 // Make the PCI bus invisible (at least it's configuration)
420 //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
421 //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
427 // Monitor the IDE controllers (very slow)
428 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
429 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
433 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
434 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
440 // Make the floppy controllers invisible
442 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
443 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
444 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
445 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
446 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
447 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
453 // Make the parallel port invisible
455 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
459 #ifdef CONFIG_PASTHROUGH_VIDEO
461 // Monitor graphics card operations
463 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
464 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
470 // Make the ISA PNP features invisible
472 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
473 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
474 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
479 // Monitor any network card (realtek ne2000) operations
480 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
483 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);