update-linux-headers.sh: Handle new kernel uapi/ directories
[qemu-kvm.git] / hw / pc_piix.c
blob85529b2cea1f658e3367a0dcb9cfc5d4b044180a
1 /*
2 * QEMU PC System Emulator
4 * Copyright (c) 2003-2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
25 #include <glib.h>
27 #include "hw.h"
28 #include "pc.h"
29 #include "apic.h"
30 #include "pci.h"
31 #include "pci_ids.h"
32 #include "usb.h"
33 #include "net.h"
34 #include "boards.h"
35 #include "ide.h"
36 #include "kvm.h"
37 #include "kvm/clock.h"
38 #include "sysemu.h"
39 #include "sysbus.h"
40 #include "arch_init.h"
41 #include "blockdev.h"
42 #include "smbus.h"
43 #include "xen.h"
44 #include "memory.h"
45 #include "exec-memory.h"
46 #include "cpu.h"
47 #ifdef CONFIG_XEN
48 # include <xen/hvm/hvm_info_table.h>
49 #endif
51 #define MAX_IDE_BUS 2
53 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
54 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
55 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
57 static void kvm_piix3_setup_irq_routing(bool pci_enabled)
59 #ifdef CONFIG_KVM
60 KVMState *s = kvm_state;
61 int i;
63 if (kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) {
64 for (i = 0; i < 8; ++i) {
65 if (i == 2) {
66 continue;
68 kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_PIC_MASTER, i);
70 for (i = 8; i < 16; ++i) {
71 kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_PIC_SLAVE, i - 8);
73 if (pci_enabled) {
74 for (i = 0; i < 24; ++i) {
75 if (i == 0) {
76 kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_IOAPIC, 2);
77 } else if (i != 2) {
78 kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_IOAPIC, i);
83 #endif /* CONFIG_KVM */
86 static void kvm_piix3_gsi_handler(void *opaque, int n, int level)
88 GSIState *s = opaque;
90 if (n < ISA_NUM_IRQS) {
91 /* Kernel will forward to both PIC and IOAPIC */
92 qemu_set_irq(s->i8259_irq[n], level);
93 } else {
94 qemu_set_irq(s->ioapic_irq[n], level);
98 static void ioapic_init(GSIState *gsi_state)
100 DeviceState *dev;
101 SysBusDevice *d;
102 unsigned int i;
104 if (kvm_irqchip_in_kernel()) {
105 dev = qdev_create(NULL, "kvm-ioapic");
106 } else {
107 dev = qdev_create(NULL, "ioapic");
109 /* FIXME: this should be under the piix3. */
110 object_property_add_child(object_resolve_path("i440fx", NULL),
111 "ioapic", OBJECT(dev), NULL);
112 qdev_init_nofail(dev);
113 d = sysbus_from_qdev(dev);
114 sysbus_mmio_map(d, 0, 0xfec00000);
116 for (i = 0; i < IOAPIC_NUM_PINS; i++) {
117 gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i);
121 /* PC hardware initialisation */
122 static void pc_init1(MemoryRegion *system_memory,
123 MemoryRegion *system_io,
124 ram_addr_t ram_size,
125 const char *boot_device,
126 const char *kernel_filename,
127 const char *kernel_cmdline,
128 const char *initrd_filename,
129 const char *cpu_model,
130 int pci_enabled,
131 int kvmclock_enabled)
133 int i;
134 ram_addr_t below_4g_mem_size, above_4g_mem_size;
135 PCIBus *pci_bus;
136 ISABus *isa_bus;
137 PCII440FXState *i440fx_state;
138 int piix3_devfn = -1;
139 qemu_irq *cpu_irq;
140 qemu_irq *gsi;
141 qemu_irq *i8259;
142 qemu_irq *smi_irq;
143 GSIState *gsi_state;
144 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
145 BusState *idebus[MAX_IDE_BUS];
146 ISADevice *rtc_state;
147 ISADevice *floppy;
148 MemoryRegion *ram_memory;
149 MemoryRegion *pci_memory;
150 MemoryRegion *rom_memory;
151 void *fw_cfg = NULL;
153 pc_cpus_init(cpu_model);
155 if (kvmclock_enabled) {
156 kvmclock_create();
159 if (ram_size >= 0xe0000000 ) {
160 above_4g_mem_size = ram_size - 0xe0000000;
161 below_4g_mem_size = 0xe0000000;
162 } else {
163 above_4g_mem_size = 0;
164 below_4g_mem_size = ram_size;
167 if (pci_enabled) {
168 pci_memory = g_new(MemoryRegion, 1);
169 memory_region_init(pci_memory, "pci", INT64_MAX);
170 rom_memory = pci_memory;
171 } else {
172 pci_memory = NULL;
173 rom_memory = system_memory;
176 /* allocate ram and load rom/bios */
177 if (!xen_enabled()) {
178 fw_cfg = pc_memory_init(system_memory,
179 kernel_filename, kernel_cmdline, initrd_filename,
180 below_4g_mem_size, above_4g_mem_size,
181 pci_enabled ? rom_memory : system_memory, &ram_memory);
184 gsi_state = g_malloc0(sizeof(*gsi_state));
185 if (kvm_irqchip_in_kernel()) {
186 kvm_piix3_setup_irq_routing(pci_enabled);
187 gsi = qemu_allocate_irqs(kvm_piix3_gsi_handler, gsi_state,
188 GSI_NUM_PINS);
189 } else {
190 gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
193 if (pci_enabled) {
194 pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
195 system_memory, system_io, ram_size,
196 below_4g_mem_size,
197 0x100000000ULL - below_4g_mem_size,
198 0x100000000ULL + above_4g_mem_size,
199 (sizeof(hwaddr) == 4
201 : ((uint64_t)1 << 62)),
202 pci_memory, ram_memory);
203 } else {
204 pci_bus = NULL;
205 i440fx_state = NULL;
206 isa_bus = isa_bus_new(NULL, system_io);
207 no_hpet = 1;
209 isa_bus_irqs(isa_bus, gsi);
211 if (kvm_irqchip_in_kernel()) {
212 i8259 = kvm_i8259_init(isa_bus);
213 } else if (xen_enabled()) {
214 i8259 = xen_interrupt_controller_init();
215 } else {
216 cpu_irq = pc_allocate_cpu_irq();
217 i8259 = i8259_init(isa_bus, cpu_irq[0]);
220 for (i = 0; i < ISA_NUM_IRQS; i++) {
221 gsi_state->i8259_irq[i] = i8259[i];
223 if (pci_enabled) {
224 ioapic_init(gsi_state);
227 pc_register_ferr_irq(gsi[13]);
229 pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
230 if (xen_enabled()) {
231 pci_create_simple(pci_bus, -1, "xen-platform");
234 /* init basic PC hardware */
235 pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
237 for(i = 0; i < nb_nics; i++) {
238 NICInfo *nd = &nd_table[i];
240 if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
241 pc_init_ne2k_isa(isa_bus, nd);
242 else
243 pci_nic_init_nofail(nd, "e1000", NULL);
246 ide_drive_get(hd, MAX_IDE_BUS);
247 if (pci_enabled) {
248 PCIDevice *dev;
249 if (xen_enabled()) {
250 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
251 } else {
252 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
254 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
255 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
256 } else {
257 for(i = 0; i < MAX_IDE_BUS; i++) {
258 ISADevice *dev;
259 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
260 ide_irq[i],
261 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
262 idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
266 audio_init(isa_bus, pci_enabled ? pci_bus : NULL);
268 pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
269 floppy, idebus[0], idebus[1], rtc_state);
271 if (pci_enabled && usb_enabled(false)) {
272 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
275 if (pci_enabled && acpi_enabled) {
276 i2c_bus *smbus;
278 smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
279 /* TODO: Populate SPD eeprom data. */
280 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
281 gsi[9], *smi_irq,
282 kvm_enabled(), fw_cfg);
283 smbus_eeprom_init(smbus, 8, NULL, 0);
286 if (pci_enabled) {
287 pc_pci_device_init(pci_bus);
291 static void pc_init_pci(QEMUMachineInitArgs *args)
293 ram_addr_t ram_size = args->ram_size;
294 const char *cpu_model = args->cpu_model;
295 const char *kernel_filename = args->kernel_filename;
296 const char *kernel_cmdline = args->kernel_cmdline;
297 const char *initrd_filename = args->initrd_filename;
298 const char *boot_device = args->boot_device;
299 pc_init1(get_system_memory(),
300 get_system_io(),
301 ram_size, boot_device,
302 kernel_filename, kernel_cmdline,
303 initrd_filename, cpu_model, 1, 1);
306 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
308 enable_kvm_pv_eoi();
309 pc_init_pci(args);
312 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
314 ram_addr_t ram_size = args->ram_size;
315 const char *cpu_model = args->cpu_model;
316 const char *kernel_filename = args->kernel_filename;
317 const char *kernel_cmdline = args->kernel_cmdline;
318 const char *initrd_filename = args->initrd_filename;
319 const char *boot_device = args->boot_device;
320 pc_init1(get_system_memory(),
321 get_system_io(),
322 ram_size, boot_device,
323 kernel_filename, kernel_cmdline,
324 initrd_filename, cpu_model, 1, 0);
327 static void pc_init_isa(QEMUMachineInitArgs *args)
329 ram_addr_t ram_size = args->ram_size;
330 const char *cpu_model = args->cpu_model;
331 const char *kernel_filename = args->kernel_filename;
332 const char *kernel_cmdline = args->kernel_cmdline;
333 const char *initrd_filename = args->initrd_filename;
334 const char *boot_device = args->boot_device;
335 if (cpu_model == NULL)
336 cpu_model = "486";
337 pc_init1(get_system_memory(),
338 get_system_io(),
339 ram_size, boot_device,
340 kernel_filename, kernel_cmdline,
341 initrd_filename, cpu_model, 0, 1);
344 #ifdef CONFIG_XEN
345 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
347 if (xen_hvm_init() != 0) {
348 hw_error("xen hardware virtual machine initialisation failed");
350 pc_init_pci_no_kvmclock(args);
351 xen_vcpu_init();
353 #endif
355 static QEMUMachine pc_machine_v1_3 = {
356 .name = "pc-1.3",
357 .alias = "pc",
358 .desc = "Standard PC",
359 .init = pc_init_pci_1_3,
360 .max_cpus = 255,
361 .is_default = 1,
364 #define PC_COMPAT_1_2 \
366 .driver = "nec-usb-xhci",\
367 .property = "msi",\
368 .value = "off",\
369 },{\
370 .driver = "nec-usb-xhci",\
371 .property = "msix",\
372 .value = "off",\
373 },{\
374 .driver = "ivshmem",\
375 .property = "use64",\
376 .value = "0",\
377 },{\
378 .driver = "qxl",\
379 .property = "revision",\
380 .value = stringify(3),\
381 },{\
382 .driver = "qxl-vga",\
383 .property = "revision",\
384 .value = stringify(3),\
385 },{\
386 .driver = "VGA",\
387 .property = "mmio",\
388 .value = "off",\
391 static QEMUMachine pc_machine_v1_2 = {
392 .name = "pc-1.2",
393 .desc = "Standard PC",
394 .init = pc_init_pci,
395 .max_cpus = 255,
396 .compat_props = (GlobalProperty[]) {
397 PC_COMPAT_1_2,
398 { /* end of list */ }
402 #define PC_COMPAT_1_1 \
403 PC_COMPAT_1_2,\
405 .driver = "virtio-scsi-pci",\
406 .property = "hotplug",\
407 .value = "off",\
408 },{\
409 .driver = "virtio-scsi-pci",\
410 .property = "param_change",\
411 .value = "off",\
412 },{\
413 .driver = "VGA",\
414 .property = "vgamem_mb",\
415 .value = stringify(8),\
416 },{\
417 .driver = "vmware-svga",\
418 .property = "vgamem_mb",\
419 .value = stringify(8),\
420 },{\
421 .driver = "qxl-vga",\
422 .property = "vgamem_mb",\
423 .value = stringify(8),\
424 },{\
425 .driver = "qxl",\
426 .property = "vgamem_mb",\
427 .value = stringify(8),\
428 },{\
429 .driver = "virtio-blk-pci",\
430 .property = "config-wce",\
431 .value = "off",\
434 static QEMUMachine pc_machine_v1_1 = {
435 .name = "pc-1.1",
436 .desc = "Standard PC",
437 .init = pc_init_pci,
438 .max_cpus = 255,
439 .compat_props = (GlobalProperty[]) {
440 PC_COMPAT_1_1,
441 { /* end of list */ }
445 #define PC_COMPAT_1_0 \
446 PC_COMPAT_1_1,\
448 .driver = "pc-sysfw",\
449 .property = "rom_only",\
450 .value = stringify(1),\
451 }, {\
452 .driver = "isa-fdc",\
453 .property = "check_media_rate",\
454 .value = "off",\
455 }, {\
456 .driver = "virtio-balloon-pci",\
457 .property = "class",\
458 .value = stringify(PCI_CLASS_MEMORY_RAM),\
459 },{\
460 .driver = "apic",\
461 .property = "vapic",\
462 .value = "off",\
463 },{\
464 .driver = TYPE_USB_DEVICE,\
465 .property = "full-path",\
466 .value = "no",\
469 static QEMUMachine pc_machine_v1_0 = {
470 .name = "pc-1.0",
471 .desc = "Standard PC",
472 .init = pc_init_pci,
473 .max_cpus = 255,
474 .compat_props = (GlobalProperty[]) {
475 PC_COMPAT_1_0,
476 { /* end of list */ }
478 .hw_version = "1.0",
481 #define PC_COMPAT_0_15 \
482 PC_COMPAT_1_0
484 static QEMUMachine pc_machine_v0_15 = {
485 .name = "pc-0.15",
486 .desc = "Standard PC",
487 .init = pc_init_pci,
488 .max_cpus = 255,
489 .compat_props = (GlobalProperty[]) {
490 PC_COMPAT_0_15,
491 { /* end of list */ }
493 .hw_version = "0.15",
496 #define PC_COMPAT_0_14 \
497 PC_COMPAT_0_15,\
499 .driver = "virtio-blk-pci",\
500 .property = "event_idx",\
501 .value = "off",\
502 },{\
503 .driver = "virtio-serial-pci",\
504 .property = "event_idx",\
505 .value = "off",\
506 },{\
507 .driver = "virtio-net-pci",\
508 .property = "event_idx",\
509 .value = "off",\
510 },{\
511 .driver = "virtio-balloon-pci",\
512 .property = "event_idx",\
513 .value = "off",\
516 static QEMUMachine pc_machine_v0_14 = {
517 .name = "pc-0.14",
518 .desc = "Standard PC",
519 .init = pc_init_pci,
520 .max_cpus = 255,
521 .compat_props = (GlobalProperty[]) {
522 PC_COMPAT_0_14,
524 .driver = "qxl",
525 .property = "revision",
526 .value = stringify(2),
528 .driver = "qxl-vga",
529 .property = "revision",
530 .value = stringify(2),
532 { /* end of list */ }
534 .hw_version = "0.14",
537 #define PC_COMPAT_0_13 \
538 PC_COMPAT_0_14,\
540 .driver = TYPE_PCI_DEVICE,\
541 .property = "command_serr_enable",\
542 .value = "off",\
543 },{\
544 .driver = "AC97",\
545 .property = "use_broken_id",\
546 .value = stringify(1),\
549 static QEMUMachine pc_machine_v0_13 = {
550 .name = "pc-0.13",
551 .desc = "Standard PC",
552 .init = pc_init_pci_no_kvmclock,
553 .max_cpus = 255,
554 .compat_props = (GlobalProperty[]) {
555 PC_COMPAT_0_13,
557 .driver = "virtio-9p-pci",
558 .property = "vectors",
559 .value = stringify(0),
561 .driver = "VGA",
562 .property = "rombar",
563 .value = stringify(0),
565 .driver = "vmware-svga",
566 .property = "rombar",
567 .value = stringify(0),
569 { /* end of list */ }
571 .hw_version = "0.13",
574 #define PC_COMPAT_0_12 \
575 PC_COMPAT_0_13,\
577 .driver = "virtio-serial-pci",\
578 .property = "max_ports",\
579 .value = stringify(1),\
580 },{\
581 .driver = "virtio-serial-pci",\
582 .property = "vectors",\
583 .value = stringify(0),\
586 static QEMUMachine pc_machine_v0_12 = {
587 .name = "pc-0.12",
588 .desc = "Standard PC",
589 .init = pc_init_pci_no_kvmclock,
590 .max_cpus = 255,
591 .compat_props = (GlobalProperty[]) {
592 PC_COMPAT_0_12,
594 .driver = "VGA",
595 .property = "rombar",
596 .value = stringify(0),
598 .driver = "vmware-svga",
599 .property = "rombar",
600 .value = stringify(0),
602 { /* end of list */ }
604 .hw_version = "0.12",
607 #define PC_COMPAT_0_11 \
608 PC_COMPAT_0_12,\
610 .driver = "virtio-blk-pci",\
611 .property = "vectors",\
612 .value = stringify(0),\
613 },{\
614 .driver = TYPE_PCI_DEVICE,\
615 .property = "rombar",\
616 .value = stringify(0),\
619 static QEMUMachine pc_machine_v0_11 = {
620 .name = "pc-0.11",
621 .desc = "Standard PC, qemu 0.11",
622 .init = pc_init_pci_no_kvmclock,
623 .max_cpus = 255,
624 .compat_props = (GlobalProperty[]) {
625 PC_COMPAT_0_11,
627 .driver = "ide-drive",
628 .property = "ver",
629 .value = "0.11",
631 .driver = "scsi-disk",
632 .property = "ver",
633 .value = "0.11",
635 { /* end of list */ }
637 .hw_version = "0.11",
640 static QEMUMachine pc_machine_v0_10 = {
641 .name = "pc-0.10",
642 .desc = "Standard PC, qemu 0.10",
643 .init = pc_init_pci_no_kvmclock,
644 .max_cpus = 255,
645 .compat_props = (GlobalProperty[]) {
646 PC_COMPAT_0_11,
648 .driver = "virtio-blk-pci",
649 .property = "class",
650 .value = stringify(PCI_CLASS_STORAGE_OTHER),
652 .driver = "virtio-serial-pci",
653 .property = "class",
654 .value = stringify(PCI_CLASS_DISPLAY_OTHER),
656 .driver = "virtio-net-pci",
657 .property = "vectors",
658 .value = stringify(0),
660 .driver = "ide-drive",
661 .property = "ver",
662 .value = "0.10",
664 .driver = "scsi-disk",
665 .property = "ver",
666 .value = "0.10",
668 { /* end of list */ }
670 .hw_version = "0.10",
673 static QEMUMachine isapc_machine = {
674 .name = "isapc",
675 .desc = "ISA-only PC",
676 .init = pc_init_isa,
677 .max_cpus = 1,
678 .compat_props = (GlobalProperty[]) {
680 .driver = "pc-sysfw",
681 .property = "rom_only",
682 .value = stringify(1),
684 { /* end of list */ }
688 #ifdef CONFIG_XEN
689 static QEMUMachine xenfv_machine = {
690 .name = "xenfv",
691 .desc = "Xen Fully-virtualized PC",
692 .init = pc_xen_hvm_init,
693 .max_cpus = HVM_MAX_VCPUS,
694 .default_machine_opts = "accel=xen",
696 #endif
698 static void pc_machine_init(void)
700 qemu_register_machine(&pc_machine_v1_3);
701 qemu_register_machine(&pc_machine_v1_2);
702 qemu_register_machine(&pc_machine_v1_1);
703 qemu_register_machine(&pc_machine_v1_0);
704 qemu_register_machine(&pc_machine_v0_15);
705 qemu_register_machine(&pc_machine_v0_14);
706 qemu_register_machine(&pc_machine_v0_13);
707 qemu_register_machine(&pc_machine_v0_12);
708 qemu_register_machine(&pc_machine_v0_11);
709 qemu_register_machine(&pc_machine_v0_10);
710 qemu_register_machine(&isapc_machine);
711 #ifdef CONFIG_XEN
712 qemu_register_machine(&xenfv_machine);
713 #endif
716 machine_init(pc_machine_init);