]>
Commit | Line | Data |
---|---|---|
3285cf4f AP |
1 | /* |
2 | * Copyright (C) 2010 Citrix Ltd. | |
3 | * | |
4 | * This work is licensed under the terms of the GNU GPL, version 2. See | |
5 | * the COPYING file in the top-level directory. | |
6 | * | |
6b620ca3 PB |
7 | * Contributions after 2012-01-13 are licensed under the terms of the |
8 | * GNU GPL, version 2 or (at your option) any later version. | |
3285cf4f AP |
9 | */ |
10 | ||
9ce94e7c AS |
11 | #include <sys/mman.h> |
12 | ||
41445300 | 13 | #include "hw/pci.h" |
c9622478 | 14 | #include "hw/pc.h" |
3285cf4f AP |
15 | #include "hw/xen_common.h" |
16 | #include "hw/xen_backend.h" | |
17 | ||
b4dd7802 | 18 | #include "range.h" |
432d268c JN |
19 | #include "xen-mapcache.h" |
20 | #include "trace.h" | |
ce76b8a8 | 21 | #include "exec-memory.h" |
432d268c | 22 | |
9ce94e7c AS |
23 | #include <xen/hvm/ioreq.h> |
24 | #include <xen/hvm/params.h> | |
8a369e20 | 25 | #include <xen/hvm/e820.h> |
9ce94e7c AS |
26 | |
27 | //#define DEBUG_XEN | |
28 | ||
29 | #ifdef DEBUG_XEN | |
30 | #define DPRINTF(fmt, ...) \ | |
31 | do { fprintf(stderr, "xen: " fmt, ## __VA_ARGS__); } while (0) | |
32 | #else | |
33 | #define DPRINTF(fmt, ...) \ | |
34 | do { } while (0) | |
35 | #endif | |
36 | ||
ce76b8a8 | 37 | static MemoryRegion ram_memory, ram_640k, ram_lo, ram_hi; |
c65adf9b | 38 | static MemoryRegion *framebuffer; |
ce76b8a8 | 39 | |
9ce94e7c AS |
40 | /* Compatibility with older version */ |
41 | #if __XEN_LATEST_INTERFACE_VERSION__ < 0x0003020a | |
42 | static inline uint32_t xen_vcpu_eport(shared_iopage_t *shared_page, int i) | |
43 | { | |
44 | return shared_page->vcpu_iodata[i].vp_eport; | |
45 | } | |
46 | static inline ioreq_t *xen_vcpu_ioreq(shared_iopage_t *shared_page, int vcpu) | |
47 | { | |
48 | return &shared_page->vcpu_iodata[vcpu].vp_ioreq; | |
49 | } | |
50 | # define FMT_ioreq_size PRIx64 | |
51 | #else | |
52 | static inline uint32_t xen_vcpu_eport(shared_iopage_t *shared_page, int i) | |
53 | { | |
54 | return shared_page->vcpu_ioreq[i].vp_eport; | |
55 | } | |
56 | static inline ioreq_t *xen_vcpu_ioreq(shared_iopage_t *shared_page, int vcpu) | |
57 | { | |
58 | return &shared_page->vcpu_ioreq[vcpu]; | |
59 | } | |
60 | # define FMT_ioreq_size "u" | |
61 | #endif | |
62 | ||
63 | #define BUFFER_IO_MAX_DELAY 100 | |
64 | ||
b4dd7802 AP |
65 | typedef struct XenPhysmap { |
66 | target_phys_addr_t start_addr; | |
67 | ram_addr_t size; | |
d1814e08 | 68 | char *name; |
b4dd7802 AP |
69 | target_phys_addr_t phys_offset; |
70 | ||
71 | QLIST_ENTRY(XenPhysmap) list; | |
72 | } XenPhysmap; | |
73 | ||
9ce94e7c AS |
74 | typedef struct XenIOState { |
75 | shared_iopage_t *shared_page; | |
76 | buffered_iopage_t *buffered_io_page; | |
77 | QEMUTimer *buffered_io_timer; | |
78 | /* the evtchn port for polling the notification, */ | |
79 | evtchn_port_t *ioreq_local_port; | |
80 | /* the evtchn fd for polling */ | |
81 | XenEvtchn xce_handle; | |
82 | /* which vcpu we are serving */ | |
83 | int send_vcpu; | |
84 | ||
29321335 | 85 | struct xs_handle *xenstore; |
20581d20 | 86 | MemoryListener memory_listener; |
b4dd7802 | 87 | QLIST_HEAD(, XenPhysmap) physmap; |
20581d20 | 88 | target_phys_addr_t free_phys_offset; |
b4dd7802 | 89 | const XenPhysmap *log_for_dirtybit; |
29321335 | 90 | |
9ce94e7c | 91 | Notifier exit; |
da98c8eb | 92 | Notifier suspend; |
9ce94e7c AS |
93 | } XenIOState; |
94 | ||
41445300 AP |
95 | /* Xen specific function for piix pci */ |
96 | ||
97 | int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num) | |
98 | { | |
99 | return irq_num + ((pci_dev->devfn >> 3) << 2); | |
100 | } | |
101 | ||
102 | void xen_piix3_set_irq(void *opaque, int irq_num, int level) | |
103 | { | |
104 | xc_hvm_set_pci_intx_level(xen_xc, xen_domid, 0, 0, irq_num >> 2, | |
105 | irq_num & 3, level); | |
106 | } | |
107 | ||
108 | void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len) | |
109 | { | |
110 | int i; | |
111 | ||
112 | /* Scan for updates to PCI link routes (0x60-0x63). */ | |
113 | for (i = 0; i < len; i++) { | |
114 | uint8_t v = (val >> (8 * i)) & 0xff; | |
115 | if (v & 0x80) { | |
116 | v = 0; | |
117 | } | |
118 | v &= 0xf; | |
119 | if (((address + i) >= 0x60) && ((address + i) <= 0x63)) { | |
120 | xc_hvm_set_pci_link_route(xen_xc, xen_domid, address + i - 0x60, v); | |
121 | } | |
122 | } | |
123 | } | |
124 | ||
da98c8eb | 125 | static void xen_suspend_notifier(Notifier *notifier, void *data) |
c9622478 | 126 | { |
da98c8eb | 127 | xc_set_hvm_param(xen_xc, xen_domid, HVM_PARAM_ACPI_S_STATE, 3); |
c9622478 AP |
128 | } |
129 | ||
9c11a8ac AP |
130 | /* Xen Interrupt Controller */ |
131 | ||
132 | static void xen_set_irq(void *opaque, int irq, int level) | |
133 | { | |
134 | xc_hvm_set_isa_irq_level(xen_xc, xen_domid, irq, level); | |
135 | } | |
136 | ||
137 | qemu_irq *xen_interrupt_controller_init(void) | |
138 | { | |
139 | return qemu_allocate_irqs(xen_set_irq, NULL, 16); | |
140 | } | |
141 | ||
432d268c JN |
142 | /* Memory Ops */ |
143 | ||
144 | static void xen_ram_init(ram_addr_t ram_size) | |
145 | { | |
ce76b8a8 | 146 | MemoryRegion *sysmem = get_system_memory(); |
432d268c | 147 | ram_addr_t below_4g_mem_size, above_4g_mem_size = 0; |
ce76b8a8 | 148 | ram_addr_t block_len; |
432d268c | 149 | |
ce76b8a8 | 150 | block_len = ram_size; |
8a369e20 AP |
151 | if (ram_size >= HVM_BELOW_4G_RAM_END) { |
152 | /* Xen does not allocate the memory continuously, and keep a hole at | |
153 | * HVM_BELOW_4G_MMIO_START of HVM_BELOW_4G_MMIO_LENGTH | |
154 | */ | |
ce76b8a8 | 155 | block_len += HVM_BELOW_4G_MMIO_LENGTH; |
8a369e20 | 156 | } |
c5705a77 AK |
157 | memory_region_init_ram(&ram_memory, "xen.ram", block_len); |
158 | vmstate_register_ram_global(&ram_memory); | |
432d268c | 159 | |
8a369e20 AP |
160 | if (ram_size >= HVM_BELOW_4G_RAM_END) { |
161 | above_4g_mem_size = ram_size - HVM_BELOW_4G_RAM_END; | |
162 | below_4g_mem_size = HVM_BELOW_4G_RAM_END; | |
432d268c JN |
163 | } else { |
164 | below_4g_mem_size = ram_size; | |
165 | } | |
166 | ||
ce76b8a8 AK |
167 | memory_region_init_alias(&ram_640k, "xen.ram.640k", |
168 | &ram_memory, 0, 0xa0000); | |
169 | memory_region_add_subregion(sysmem, 0, &ram_640k); | |
8a369e20 AP |
170 | /* Skip of the VGA IO memory space, it will be registered later by the VGA |
171 | * emulated device. | |
172 | * | |
173 | * The area between 0xc0000 and 0x100000 will be used by SeaBIOS to load | |
174 | * the Options ROM, so it is registered here as RAM. | |
175 | */ | |
ce76b8a8 AK |
176 | memory_region_init_alias(&ram_lo, "xen.ram.lo", |
177 | &ram_memory, 0xc0000, below_4g_mem_size - 0xc0000); | |
178 | memory_region_add_subregion(sysmem, 0xc0000, &ram_lo); | |
432d268c | 179 | if (above_4g_mem_size > 0) { |
ce76b8a8 AK |
180 | memory_region_init_alias(&ram_hi, "xen.ram.hi", |
181 | &ram_memory, 0x100000000ULL, | |
182 | above_4g_mem_size); | |
183 | memory_region_add_subregion(sysmem, 0x100000000ULL, &ram_hi); | |
432d268c | 184 | } |
432d268c JN |
185 | } |
186 | ||
fce537d4 | 187 | void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, MemoryRegion *mr) |
432d268c JN |
188 | { |
189 | unsigned long nr_pfn; | |
190 | xen_pfn_t *pfn_list; | |
191 | int i; | |
192 | ||
ce76b8a8 AK |
193 | if (mr == &ram_memory) { |
194 | return; | |
195 | } | |
196 | ||
432d268c JN |
197 | trace_xen_ram_alloc(ram_addr, size); |
198 | ||
199 | nr_pfn = size >> TARGET_PAGE_BITS; | |
7267c094 | 200 | pfn_list = g_malloc(sizeof (*pfn_list) * nr_pfn); |
432d268c JN |
201 | |
202 | for (i = 0; i < nr_pfn; i++) { | |
203 | pfn_list[i] = (ram_addr >> TARGET_PAGE_BITS) + i; | |
204 | } | |
205 | ||
206 | if (xc_domain_populate_physmap_exact(xen_xc, xen_domid, nr_pfn, 0, 0, pfn_list)) { | |
f15fbc4b | 207 | hw_error("xen: failed to populate ram at " RAM_ADDR_FMT, ram_addr); |
432d268c JN |
208 | } |
209 | ||
7267c094 | 210 | g_free(pfn_list); |
432d268c JN |
211 | } |
212 | ||
b4dd7802 AP |
213 | static XenPhysmap *get_physmapping(XenIOState *state, |
214 | target_phys_addr_t start_addr, ram_addr_t size) | |
215 | { | |
216 | XenPhysmap *physmap = NULL; | |
217 | ||
218 | start_addr &= TARGET_PAGE_MASK; | |
219 | ||
220 | QLIST_FOREACH(physmap, &state->physmap, list) { | |
221 | if (range_covers_byte(physmap->start_addr, physmap->size, start_addr)) { | |
222 | return physmap; | |
223 | } | |
224 | } | |
225 | return NULL; | |
226 | } | |
227 | ||
cd1ba7de AP |
228 | static target_phys_addr_t xen_phys_offset_to_gaddr(target_phys_addr_t start_addr, |
229 | ram_addr_t size, void *opaque) | |
230 | { | |
231 | target_phys_addr_t addr = start_addr & TARGET_PAGE_MASK; | |
232 | XenIOState *xen_io_state = opaque; | |
233 | XenPhysmap *physmap = NULL; | |
234 | ||
235 | QLIST_FOREACH(physmap, &xen_io_state->physmap, list) { | |
236 | if (range_covers_byte(physmap->phys_offset, physmap->size, addr)) { | |
237 | return physmap->start_addr; | |
238 | } | |
239 | } | |
240 | ||
241 | return start_addr; | |
242 | } | |
243 | ||
b4dd7802 AP |
244 | #if CONFIG_XEN_CTRL_INTERFACE_VERSION >= 340 |
245 | static int xen_add_to_physmap(XenIOState *state, | |
246 | target_phys_addr_t start_addr, | |
247 | ram_addr_t size, | |
20581d20 AK |
248 | MemoryRegion *mr, |
249 | target_phys_addr_t offset_within_region) | |
b4dd7802 AP |
250 | { |
251 | unsigned long i = 0; | |
252 | int rc = 0; | |
253 | XenPhysmap *physmap = NULL; | |
254 | target_phys_addr_t pfn, start_gpfn; | |
20581d20 | 255 | target_phys_addr_t phys_offset = memory_region_get_ram_addr(mr); |
d1814e08 | 256 | char path[80], value[17]; |
b4dd7802 AP |
257 | |
258 | if (get_physmapping(state, start_addr, size)) { | |
259 | return 0; | |
260 | } | |
261 | if (size <= 0) { | |
262 | return -1; | |
263 | } | |
264 | ||
ebed8505 SS |
265 | /* Xen can only handle a single dirty log region for now and we want |
266 | * the linear framebuffer to be that region. | |
267 | * Avoid tracking any regions that is not videoram and avoid tracking | |
268 | * the legacy vga region. */ | |
20581d20 AK |
269 | if (mr == framebuffer && start_addr > 0xbffff) { |
270 | goto go_physmap; | |
ebed8505 SS |
271 | } |
272 | return -1; | |
273 | ||
274 | go_physmap: | |
20581d20 | 275 | DPRINTF("mapping vram to %llx - %llx\n", start_addr, start_addr + size); |
b4dd7802 AP |
276 | |
277 | pfn = phys_offset >> TARGET_PAGE_BITS; | |
278 | start_gpfn = start_addr >> TARGET_PAGE_BITS; | |
279 | for (i = 0; i < size >> TARGET_PAGE_BITS; i++) { | |
280 | unsigned long idx = pfn + i; | |
281 | xen_pfn_t gpfn = start_gpfn + i; | |
282 | ||
283 | rc = xc_domain_add_to_physmap(xen_xc, xen_domid, XENMAPSPACE_gmfn, idx, gpfn); | |
284 | if (rc) { | |
285 | DPRINTF("add_to_physmap MFN %"PRI_xen_pfn" to PFN %" | |
286 | PRI_xen_pfn" failed: %d\n", idx, gpfn, rc); | |
287 | return -rc; | |
288 | } | |
289 | } | |
290 | ||
7267c094 | 291 | physmap = g_malloc(sizeof (XenPhysmap)); |
b4dd7802 AP |
292 | |
293 | physmap->start_addr = start_addr; | |
294 | physmap->size = size; | |
d1814e08 | 295 | physmap->name = (char *)mr->name; |
b4dd7802 AP |
296 | physmap->phys_offset = phys_offset; |
297 | ||
298 | QLIST_INSERT_HEAD(&state->physmap, physmap, list); | |
299 | ||
300 | xc_domain_pin_memory_cacheattr(xen_xc, xen_domid, | |
301 | start_addr >> TARGET_PAGE_BITS, | |
302 | (start_addr + size) >> TARGET_PAGE_BITS, | |
303 | XEN_DOMCTL_MEM_CACHEATTR_WB); | |
d1814e08 SS |
304 | |
305 | snprintf(path, sizeof(path), | |
306 | "/local/domain/0/device-model/%d/physmap/%"PRIx64"/start_addr", | |
307 | xen_domid, (uint64_t)phys_offset); | |
308 | snprintf(value, sizeof(value), "%"PRIx64, (uint64_t)start_addr); | |
309 | if (!xs_write(state->xenstore, 0, path, value, strlen(value))) { | |
310 | return -1; | |
311 | } | |
312 | snprintf(path, sizeof(path), | |
313 | "/local/domain/0/device-model/%d/physmap/%"PRIx64"/size", | |
314 | xen_domid, (uint64_t)phys_offset); | |
315 | snprintf(value, sizeof(value), "%"PRIx64, (uint64_t)size); | |
316 | if (!xs_write(state->xenstore, 0, path, value, strlen(value))) { | |
317 | return -1; | |
318 | } | |
319 | if (mr->name) { | |
320 | snprintf(path, sizeof(path), | |
321 | "/local/domain/0/device-model/%d/physmap/%"PRIx64"/name", | |
322 | xen_domid, (uint64_t)phys_offset); | |
323 | if (!xs_write(state->xenstore, 0, path, mr->name, strlen(mr->name))) { | |
324 | return -1; | |
325 | } | |
326 | } | |
327 | ||
b4dd7802 AP |
328 | return 0; |
329 | } | |
330 | ||
331 | static int xen_remove_from_physmap(XenIOState *state, | |
332 | target_phys_addr_t start_addr, | |
333 | ram_addr_t size) | |
334 | { | |
335 | unsigned long i = 0; | |
336 | int rc = 0; | |
337 | XenPhysmap *physmap = NULL; | |
338 | target_phys_addr_t phys_offset = 0; | |
339 | ||
340 | physmap = get_physmapping(state, start_addr, size); | |
341 | if (physmap == NULL) { | |
342 | return -1; | |
343 | } | |
344 | ||
345 | phys_offset = physmap->phys_offset; | |
346 | size = physmap->size; | |
347 | ||
348 | DPRINTF("unmapping vram to %llx - %llx, from %llx\n", | |
349 | phys_offset, phys_offset + size, start_addr); | |
350 | ||
351 | size >>= TARGET_PAGE_BITS; | |
352 | start_addr >>= TARGET_PAGE_BITS; | |
353 | phys_offset >>= TARGET_PAGE_BITS; | |
354 | for (i = 0; i < size; i++) { | |
355 | unsigned long idx = start_addr + i; | |
356 | xen_pfn_t gpfn = phys_offset + i; | |
357 | ||
358 | rc = xc_domain_add_to_physmap(xen_xc, xen_domid, XENMAPSPACE_gmfn, idx, gpfn); | |
359 | if (rc) { | |
360 | fprintf(stderr, "add_to_physmap MFN %"PRI_xen_pfn" to PFN %" | |
361 | PRI_xen_pfn" failed: %d\n", idx, gpfn, rc); | |
362 | return -rc; | |
363 | } | |
364 | } | |
365 | ||
366 | QLIST_REMOVE(physmap, list); | |
367 | if (state->log_for_dirtybit == physmap) { | |
368 | state->log_for_dirtybit = NULL; | |
369 | } | |
370 | free(physmap); | |
371 | ||
372 | return 0; | |
373 | } | |
374 | ||
375 | #else | |
376 | static int xen_add_to_physmap(XenIOState *state, | |
377 | target_phys_addr_t start_addr, | |
378 | ram_addr_t size, | |
20581d20 AK |
379 | MemoryRegion *mr, |
380 | target_phys_addr_t offset_within_region) | |
b4dd7802 AP |
381 | { |
382 | return -ENOSYS; | |
383 | } | |
384 | ||
385 | static int xen_remove_from_physmap(XenIOState *state, | |
386 | target_phys_addr_t start_addr, | |
387 | ram_addr_t size) | |
388 | { | |
389 | return -ENOSYS; | |
390 | } | |
391 | #endif | |
392 | ||
20581d20 AK |
393 | static void xen_set_memory(struct MemoryListener *listener, |
394 | MemoryRegionSection *section, | |
395 | bool add) | |
b4dd7802 | 396 | { |
20581d20 AK |
397 | XenIOState *state = container_of(listener, XenIOState, memory_listener); |
398 | target_phys_addr_t start_addr = section->offset_within_address_space; | |
399 | ram_addr_t size = section->size; | |
400 | bool log_dirty = memory_region_is_logging(section->mr); | |
b4dd7802 AP |
401 | hvmmem_type_t mem_type; |
402 | ||
20581d20 | 403 | if (!memory_region_is_ram(section->mr)) { |
b4dd7802 AP |
404 | return; |
405 | } | |
406 | ||
20581d20 AK |
407 | if (!(section->mr != &ram_memory |
408 | && ( (log_dirty && add) || (!log_dirty && !add)))) { | |
409 | return; | |
410 | } | |
411 | ||
412 | trace_xen_client_set_memory(start_addr, size, log_dirty); | |
b4dd7802 AP |
413 | |
414 | start_addr &= TARGET_PAGE_MASK; | |
415 | size = TARGET_PAGE_ALIGN(size); | |
20581d20 AK |
416 | |
417 | if (add) { | |
418 | if (!memory_region_is_rom(section->mr)) { | |
419 | xen_add_to_physmap(state, start_addr, size, | |
420 | section->mr, section->offset_within_region); | |
421 | } else { | |
422 | mem_type = HVMMEM_ram_ro; | |
423 | if (xc_hvm_set_mem_type(xen_xc, xen_domid, mem_type, | |
424 | start_addr >> TARGET_PAGE_BITS, | |
425 | size >> TARGET_PAGE_BITS)) { | |
426 | DPRINTF("xc_hvm_set_mem_type error, addr: "TARGET_FMT_plx"\n", | |
427 | start_addr); | |
428 | } | |
b4dd7802 | 429 | } |
20581d20 | 430 | } else { |
b4dd7802 AP |
431 | if (xen_remove_from_physmap(state, start_addr, size) < 0) { |
432 | DPRINTF("physmapping does not exist at "TARGET_FMT_plx"\n", start_addr); | |
433 | } | |
b4dd7802 AP |
434 | } |
435 | } | |
436 | ||
20581d20 AK |
437 | static void xen_region_add(MemoryListener *listener, |
438 | MemoryRegionSection *section) | |
439 | { | |
440 | xen_set_memory(listener, section, true); | |
441 | } | |
442 | ||
443 | static void xen_region_del(MemoryListener *listener, | |
444 | MemoryRegionSection *section) | |
445 | { | |
446 | xen_set_memory(listener, section, false); | |
447 | } | |
448 | ||
b18620cf AP |
449 | static void xen_sync_dirty_bitmap(XenIOState *state, |
450 | target_phys_addr_t start_addr, | |
451 | ram_addr_t size) | |
b4dd7802 AP |
452 | { |
453 | target_phys_addr_t npages = size >> TARGET_PAGE_BITS; | |
b4dd7802 AP |
454 | const int width = sizeof(unsigned long) * 8; |
455 | unsigned long bitmap[(npages + width - 1) / width]; | |
456 | int rc, i, j; | |
457 | const XenPhysmap *physmap = NULL; | |
458 | ||
459 | physmap = get_physmapping(state, start_addr, size); | |
460 | if (physmap == NULL) { | |
461 | /* not handled */ | |
b18620cf | 462 | return; |
b4dd7802 AP |
463 | } |
464 | ||
465 | if (state->log_for_dirtybit == NULL) { | |
466 | state->log_for_dirtybit = physmap; | |
467 | } else if (state->log_for_dirtybit != physmap) { | |
b18620cf AP |
468 | /* Only one range for dirty bitmap can be tracked. */ |
469 | return; | |
b4dd7802 | 470 | } |
b4dd7802 AP |
471 | |
472 | rc = xc_hvm_track_dirty_vram(xen_xc, xen_domid, | |
473 | start_addr >> TARGET_PAGE_BITS, npages, | |
474 | bitmap); | |
b18620cf AP |
475 | if (rc < 0) { |
476 | if (rc != -ENODATA) { | |
477 | fprintf(stderr, "xen: track_dirty_vram failed (0x" TARGET_FMT_plx | |
478 | ", 0x" TARGET_FMT_plx "): %s\n", | |
479 | start_addr, start_addr + size, strerror(-rc)); | |
480 | } | |
481 | return; | |
b4dd7802 AP |
482 | } |
483 | ||
484 | for (i = 0; i < ARRAY_SIZE(bitmap); i++) { | |
485 | unsigned long map = bitmap[i]; | |
486 | while (map != 0) { | |
487 | j = ffsl(map) - 1; | |
488 | map &= ~(1ul << j); | |
5a97065b | 489 | memory_region_set_dirty(framebuffer, |
fd4aa979 BS |
490 | (i * width + j) * TARGET_PAGE_SIZE, |
491 | TARGET_PAGE_SIZE); | |
b4dd7802 AP |
492 | }; |
493 | } | |
b4dd7802 AP |
494 | } |
495 | ||
20581d20 AK |
496 | static void xen_log_start(MemoryListener *listener, |
497 | MemoryRegionSection *section) | |
b4dd7802 | 498 | { |
20581d20 | 499 | XenIOState *state = container_of(listener, XenIOState, memory_listener); |
b4dd7802 | 500 | |
b18620cf AP |
501 | xen_sync_dirty_bitmap(state, section->offset_within_address_space, |
502 | section->size); | |
b4dd7802 AP |
503 | } |
504 | ||
20581d20 | 505 | static void xen_log_stop(MemoryListener *listener, MemoryRegionSection *section) |
b4dd7802 | 506 | { |
20581d20 | 507 | XenIOState *state = container_of(listener, XenIOState, memory_listener); |
b4dd7802 AP |
508 | |
509 | state->log_for_dirtybit = NULL; | |
510 | /* Disable dirty bit tracking */ | |
b18620cf | 511 | xc_hvm_track_dirty_vram(xen_xc, xen_domid, 0, 0, NULL); |
b4dd7802 AP |
512 | } |
513 | ||
20581d20 | 514 | static void xen_log_sync(MemoryListener *listener, MemoryRegionSection *section) |
b4dd7802 | 515 | { |
20581d20 | 516 | XenIOState *state = container_of(listener, XenIOState, memory_listener); |
b4dd7802 | 517 | |
b18620cf AP |
518 | xen_sync_dirty_bitmap(state, section->offset_within_address_space, |
519 | section->size); | |
b4dd7802 AP |
520 | } |
521 | ||
20581d20 AK |
522 | static void xen_log_global_start(MemoryListener *listener) |
523 | { | |
524 | } | |
525 | ||
526 | static void xen_log_global_stop(MemoryListener *listener) | |
b4dd7802 | 527 | { |
b4dd7802 AP |
528 | } |
529 | ||
20581d20 AK |
530 | static MemoryListener xen_memory_listener = { |
531 | .region_add = xen_region_add, | |
532 | .region_del = xen_region_del, | |
b4dd7802 AP |
533 | .log_start = xen_log_start, |
534 | .log_stop = xen_log_stop, | |
20581d20 AK |
535 | .log_sync = xen_log_sync, |
536 | .log_global_start = xen_log_global_start, | |
537 | .log_global_stop = xen_log_global_stop, | |
b4dd7802 | 538 | }; |
432d268c | 539 | |
29d3ccde AP |
540 | /* VCPU Operations, MMIO, IO ring ... */ |
541 | ||
542 | static void xen_reset_vcpu(void *opaque) | |
543 | { | |
544 | CPUState *env = opaque; | |
545 | ||
546 | env->halted = 1; | |
547 | } | |
548 | ||
549 | void xen_vcpu_init(void) | |
550 | { | |
551 | CPUState *first_cpu; | |
552 | ||
553 | if ((first_cpu = qemu_get_cpu(0))) { | |
554 | qemu_register_reset(xen_reset_vcpu, first_cpu); | |
555 | xen_reset_vcpu(first_cpu); | |
556 | } | |
557 | } | |
558 | ||
9ce94e7c AS |
559 | /* get the ioreq packets from share mem */ |
560 | static ioreq_t *cpu_get_ioreq_from_shared_memory(XenIOState *state, int vcpu) | |
561 | { | |
562 | ioreq_t *req = xen_vcpu_ioreq(state->shared_page, vcpu); | |
563 | ||
564 | if (req->state != STATE_IOREQ_READY) { | |
565 | DPRINTF("I/O request not ready: " | |
566 | "%x, ptr: %x, port: %"PRIx64", " | |
567 | "data: %"PRIx64", count: %" FMT_ioreq_size ", size: %" FMT_ioreq_size "\n", | |
568 | req->state, req->data_is_ptr, req->addr, | |
569 | req->data, req->count, req->size); | |
570 | return NULL; | |
571 | } | |
572 | ||
573 | xen_rmb(); /* see IOREQ_READY /then/ read contents of ioreq */ | |
574 | ||
575 | req->state = STATE_IOREQ_INPROCESS; | |
576 | return req; | |
577 | } | |
578 | ||
579 | /* use poll to get the port notification */ | |
580 | /* ioreq_vec--out,the */ | |
581 | /* retval--the number of ioreq packet */ | |
582 | static ioreq_t *cpu_get_ioreq(XenIOState *state) | |
583 | { | |
584 | int i; | |
585 | evtchn_port_t port; | |
586 | ||
587 | port = xc_evtchn_pending(state->xce_handle); | |
588 | if (port != -1) { | |
589 | for (i = 0; i < smp_cpus; i++) { | |
590 | if (state->ioreq_local_port[i] == port) { | |
591 | break; | |
592 | } | |
593 | } | |
594 | ||
595 | if (i == smp_cpus) { | |
596 | hw_error("Fatal error while trying to get io event!\n"); | |
597 | } | |
598 | ||
599 | /* unmask the wanted port again */ | |
600 | xc_evtchn_unmask(state->xce_handle, port); | |
601 | ||
602 | /* get the io packet from shared memory */ | |
603 | state->send_vcpu = i; | |
604 | return cpu_get_ioreq_from_shared_memory(state, i); | |
605 | } | |
606 | ||
607 | /* read error or read nothing */ | |
608 | return NULL; | |
609 | } | |
610 | ||
611 | static uint32_t do_inp(pio_addr_t addr, unsigned long size) | |
612 | { | |
613 | switch (size) { | |
614 | case 1: | |
615 | return cpu_inb(addr); | |
616 | case 2: | |
617 | return cpu_inw(addr); | |
618 | case 4: | |
619 | return cpu_inl(addr); | |
620 | default: | |
621 | hw_error("inp: bad size: %04"FMT_pioaddr" %lx", addr, size); | |
622 | } | |
623 | } | |
624 | ||
625 | static void do_outp(pio_addr_t addr, | |
626 | unsigned long size, uint32_t val) | |
627 | { | |
628 | switch (size) { | |
629 | case 1: | |
630 | return cpu_outb(addr, val); | |
631 | case 2: | |
632 | return cpu_outw(addr, val); | |
633 | case 4: | |
634 | return cpu_outl(addr, val); | |
635 | default: | |
636 | hw_error("outp: bad size: %04"FMT_pioaddr" %lx", addr, size); | |
637 | } | |
638 | } | |
639 | ||
640 | static void cpu_ioreq_pio(ioreq_t *req) | |
641 | { | |
642 | int i, sign; | |
643 | ||
644 | sign = req->df ? -1 : 1; | |
645 | ||
646 | if (req->dir == IOREQ_READ) { | |
647 | if (!req->data_is_ptr) { | |
648 | req->data = do_inp(req->addr, req->size); | |
649 | } else { | |
650 | uint32_t tmp; | |
651 | ||
652 | for (i = 0; i < req->count; i++) { | |
653 | tmp = do_inp(req->addr, req->size); | |
654 | cpu_physical_memory_write(req->data + (sign * i * req->size), | |
655 | (uint8_t *) &tmp, req->size); | |
656 | } | |
657 | } | |
658 | } else if (req->dir == IOREQ_WRITE) { | |
659 | if (!req->data_is_ptr) { | |
660 | do_outp(req->addr, req->size, req->data); | |
661 | } else { | |
662 | for (i = 0; i < req->count; i++) { | |
663 | uint32_t tmp = 0; | |
664 | ||
665 | cpu_physical_memory_read(req->data + (sign * i * req->size), | |
666 | (uint8_t*) &tmp, req->size); | |
667 | do_outp(req->addr, req->size, tmp); | |
668 | } | |
669 | } | |
670 | } | |
671 | } | |
672 | ||
673 | static void cpu_ioreq_move(ioreq_t *req) | |
674 | { | |
675 | int i, sign; | |
676 | ||
677 | sign = req->df ? -1 : 1; | |
678 | ||
679 | if (!req->data_is_ptr) { | |
680 | if (req->dir == IOREQ_READ) { | |
681 | for (i = 0; i < req->count; i++) { | |
682 | cpu_physical_memory_read(req->addr + (sign * i * req->size), | |
683 | (uint8_t *) &req->data, req->size); | |
684 | } | |
685 | } else if (req->dir == IOREQ_WRITE) { | |
686 | for (i = 0; i < req->count; i++) { | |
687 | cpu_physical_memory_write(req->addr + (sign * i * req->size), | |
688 | (uint8_t *) &req->data, req->size); | |
689 | } | |
690 | } | |
691 | } else { | |
2b734340 | 692 | uint64_t tmp; |
9ce94e7c AS |
693 | |
694 | if (req->dir == IOREQ_READ) { | |
695 | for (i = 0; i < req->count; i++) { | |
696 | cpu_physical_memory_read(req->addr + (sign * i * req->size), | |
697 | (uint8_t*) &tmp, req->size); | |
698 | cpu_physical_memory_write(req->data + (sign * i * req->size), | |
699 | (uint8_t*) &tmp, req->size); | |
700 | } | |
701 | } else if (req->dir == IOREQ_WRITE) { | |
702 | for (i = 0; i < req->count; i++) { | |
703 | cpu_physical_memory_read(req->data + (sign * i * req->size), | |
704 | (uint8_t*) &tmp, req->size); | |
705 | cpu_physical_memory_write(req->addr + (sign * i * req->size), | |
706 | (uint8_t*) &tmp, req->size); | |
707 | } | |
708 | } | |
709 | } | |
710 | } | |
711 | ||
712 | static void handle_ioreq(ioreq_t *req) | |
713 | { | |
714 | if (!req->data_is_ptr && (req->dir == IOREQ_WRITE) && | |
715 | (req->size < sizeof (target_ulong))) { | |
716 | req->data &= ((target_ulong) 1 << (8 * req->size)) - 1; | |
717 | } | |
718 | ||
719 | switch (req->type) { | |
720 | case IOREQ_TYPE_PIO: | |
721 | cpu_ioreq_pio(req); | |
722 | break; | |
723 | case IOREQ_TYPE_COPY: | |
724 | cpu_ioreq_move(req); | |
725 | break; | |
726 | case IOREQ_TYPE_TIMEOFFSET: | |
727 | break; | |
728 | case IOREQ_TYPE_INVALIDATE: | |
e41d7c69 | 729 | xen_invalidate_map_cache(); |
9ce94e7c AS |
730 | break; |
731 | default: | |
732 | hw_error("Invalid ioreq type 0x%x\n", req->type); | |
733 | } | |
734 | } | |
735 | ||
736 | static void handle_buffered_iopage(XenIOState *state) | |
737 | { | |
738 | buf_ioreq_t *buf_req = NULL; | |
739 | ioreq_t req; | |
740 | int qw; | |
741 | ||
742 | if (!state->buffered_io_page) { | |
743 | return; | |
744 | } | |
745 | ||
746 | while (state->buffered_io_page->read_pointer != state->buffered_io_page->write_pointer) { | |
747 | buf_req = &state->buffered_io_page->buf_ioreq[ | |
748 | state->buffered_io_page->read_pointer % IOREQ_BUFFER_SLOT_NUM]; | |
749 | req.size = 1UL << buf_req->size; | |
750 | req.count = 1; | |
751 | req.addr = buf_req->addr; | |
752 | req.data = buf_req->data; | |
753 | req.state = STATE_IOREQ_READY; | |
754 | req.dir = buf_req->dir; | |
755 | req.df = 1; | |
756 | req.type = buf_req->type; | |
757 | req.data_is_ptr = 0; | |
758 | qw = (req.size == 8); | |
759 | if (qw) { | |
760 | buf_req = &state->buffered_io_page->buf_ioreq[ | |
761 | (state->buffered_io_page->read_pointer + 1) % IOREQ_BUFFER_SLOT_NUM]; | |
762 | req.data |= ((uint64_t)buf_req->data) << 32; | |
763 | } | |
764 | ||
765 | handle_ioreq(&req); | |
766 | ||
767 | xen_mb(); | |
768 | state->buffered_io_page->read_pointer += qw ? 2 : 1; | |
769 | } | |
770 | } | |
771 | ||
772 | static void handle_buffered_io(void *opaque) | |
773 | { | |
774 | XenIOState *state = opaque; | |
775 | ||
776 | handle_buffered_iopage(state); | |
777 | qemu_mod_timer(state->buffered_io_timer, | |
778 | BUFFER_IO_MAX_DELAY + qemu_get_clock_ms(rt_clock)); | |
779 | } | |
780 | ||
781 | static void cpu_handle_ioreq(void *opaque) | |
782 | { | |
783 | XenIOState *state = opaque; | |
784 | ioreq_t *req = cpu_get_ioreq(state); | |
785 | ||
786 | handle_buffered_iopage(state); | |
787 | if (req) { | |
788 | handle_ioreq(req); | |
789 | ||
790 | if (req->state != STATE_IOREQ_INPROCESS) { | |
791 | fprintf(stderr, "Badness in I/O request ... not in service?!: " | |
792 | "%x, ptr: %x, port: %"PRIx64", " | |
793 | "data: %"PRIx64", count: %" FMT_ioreq_size ", size: %" FMT_ioreq_size "\n", | |
794 | req->state, req->data_is_ptr, req->addr, | |
795 | req->data, req->count, req->size); | |
796 | destroy_hvm_domain(); | |
797 | return; | |
798 | } | |
799 | ||
800 | xen_wmb(); /* Update ioreq contents /then/ update state. */ | |
801 | ||
802 | /* | |
803 | * We do this before we send the response so that the tools | |
804 | * have the opportunity to pick up on the reset before the | |
805 | * guest resumes and does a hlt with interrupts disabled which | |
806 | * causes Xen to powerdown the domain. | |
807 | */ | |
1354869c | 808 | if (runstate_is_running()) { |
9ce94e7c AS |
809 | if (qemu_shutdown_requested_get()) { |
810 | destroy_hvm_domain(); | |
811 | } | |
812 | if (qemu_reset_requested_get()) { | |
e063eb1f | 813 | qemu_system_reset(VMRESET_REPORT); |
9ce94e7c AS |
814 | } |
815 | } | |
816 | ||
817 | req->state = STATE_IORESP_READY; | |
818 | xc_evtchn_notify(state->xce_handle, state->ioreq_local_port[state->send_vcpu]); | |
819 | } | |
820 | } | |
821 | ||
0f51726a SS |
822 | static int store_dev_info(int domid, CharDriverState *cs, const char *string) |
823 | { | |
824 | struct xs_handle *xs = NULL; | |
825 | char *path = NULL; | |
826 | char *newpath = NULL; | |
827 | char *pts = NULL; | |
828 | int ret = -1; | |
829 | ||
830 | /* Only continue if we're talking to a pty. */ | |
831 | if (strncmp(cs->filename, "pty:", 4)) { | |
832 | return 0; | |
833 | } | |
834 | pts = cs->filename + 4; | |
835 | ||
836 | /* We now have everything we need to set the xenstore entry. */ | |
837 | xs = xs_open(0); | |
838 | if (xs == NULL) { | |
839 | fprintf(stderr, "Could not contact XenStore\n"); | |
840 | goto out; | |
841 | } | |
842 | ||
843 | path = xs_get_domain_path(xs, domid); | |
844 | if (path == NULL) { | |
845 | fprintf(stderr, "xs_get_domain_path() error\n"); | |
846 | goto out; | |
847 | } | |
848 | newpath = realloc(path, (strlen(path) + strlen(string) + | |
849 | strlen("/tty") + 1)); | |
850 | if (newpath == NULL) { | |
851 | fprintf(stderr, "realloc error\n"); | |
852 | goto out; | |
853 | } | |
854 | path = newpath; | |
855 | ||
856 | strcat(path, string); | |
857 | strcat(path, "/tty"); | |
858 | if (!xs_write(xs, XBT_NULL, path, pts, strlen(pts))) { | |
859 | fprintf(stderr, "xs_write for '%s' fail", string); | |
860 | goto out; | |
861 | } | |
862 | ret = 0; | |
863 | ||
864 | out: | |
865 | free(path); | |
866 | xs_close(xs); | |
867 | ||
868 | return ret; | |
869 | } | |
870 | ||
871 | void xenstore_store_pv_console_info(int i, CharDriverState *chr) | |
872 | { | |
873 | if (i == 0) { | |
874 | store_dev_info(xen_domid, chr, "/console"); | |
875 | } else { | |
876 | char buf[32]; | |
877 | snprintf(buf, sizeof(buf), "/device/console/%d", i); | |
878 | store_dev_info(xen_domid, chr, buf); | |
879 | } | |
880 | } | |
881 | ||
fb4bb2b5 | 882 | static void xenstore_record_dm_state(struct xs_handle *xs, const char *state) |
29321335 AP |
883 | { |
884 | char path[50]; | |
885 | ||
fb4bb2b5 AP |
886 | if (xs == NULL) { |
887 | fprintf(stderr, "xenstore connection not initialized\n"); | |
888 | exit(1); | |
889 | } | |
890 | ||
29321335 | 891 | snprintf(path, sizeof (path), "/local/domain/0/device-model/%u/state", xen_domid); |
fb4bb2b5 | 892 | if (!xs_write(xs, XBT_NULL, path, state, strlen(state))) { |
29321335 AP |
893 | fprintf(stderr, "error recording dm state\n"); |
894 | exit(1); | |
895 | } | |
896 | } | |
897 | ||
9ce94e7c AS |
898 | static void xen_main_loop_prepare(XenIOState *state) |
899 | { | |
900 | int evtchn_fd = -1; | |
901 | ||
902 | if (state->xce_handle != XC_HANDLER_INITIAL_VALUE) { | |
903 | evtchn_fd = xc_evtchn_fd(state->xce_handle); | |
904 | } | |
905 | ||
906 | state->buffered_io_timer = qemu_new_timer_ms(rt_clock, handle_buffered_io, | |
907 | state); | |
908 | qemu_mod_timer(state->buffered_io_timer, qemu_get_clock_ms(rt_clock)); | |
909 | ||
910 | if (evtchn_fd != -1) { | |
911 | qemu_set_fd_handler(evtchn_fd, cpu_handle_ioreq, NULL, state); | |
912 | } | |
913 | } | |
914 | ||
915 | ||
3285cf4f AP |
916 | /* Initialise Xen */ |
917 | ||
1dfb4dd9 LC |
918 | static void xen_change_state_handler(void *opaque, int running, |
919 | RunState state) | |
fb4bb2b5 AP |
920 | { |
921 | if (running) { | |
922 | /* record state running */ | |
923 | xenstore_record_dm_state(xenstore, "running"); | |
924 | } | |
925 | } | |
926 | ||
1dfb4dd9 LC |
927 | static void xen_hvm_change_state_handler(void *opaque, int running, |
928 | RunState rstate) | |
9ce94e7c | 929 | { |
1dfb4dd9 | 930 | XenIOState *xstate = opaque; |
9ce94e7c | 931 | if (running) { |
1dfb4dd9 | 932 | xen_main_loop_prepare(xstate); |
9ce94e7c AS |
933 | } |
934 | } | |
935 | ||
9e8dd451 | 936 | static void xen_exit_notifier(Notifier *n, void *data) |
9ce94e7c AS |
937 | { |
938 | XenIOState *state = container_of(n, XenIOState, exit); | |
939 | ||
940 | xc_evtchn_close(state->xce_handle); | |
29321335 | 941 | xs_daemon_close(state->xenstore); |
9ce94e7c AS |
942 | } |
943 | ||
3285cf4f AP |
944 | int xen_init(void) |
945 | { | |
946 | xen_xc = xen_xc_interface_open(0, 0, 0); | |
947 | if (xen_xc == XC_HANDLER_INITIAL_VALUE) { | |
948 | xen_be_printf(NULL, 0, "can't open xen interface\n"); | |
949 | return -1; | |
950 | } | |
fb4bb2b5 | 951 | qemu_add_vm_change_state_handler(xen_change_state_handler, NULL); |
3285cf4f AP |
952 | |
953 | return 0; | |
954 | } | |
29d3ccde | 955 | |
d1814e08 SS |
956 | static void xen_read_physmap(XenIOState *state) |
957 | { | |
958 | XenPhysmap *physmap = NULL; | |
959 | unsigned int len, num, i; | |
960 | char path[80], *value = NULL; | |
961 | char **entries = NULL; | |
962 | ||
963 | snprintf(path, sizeof(path), | |
964 | "/local/domain/0/device-model/%d/physmap", xen_domid); | |
965 | entries = xs_directory(state->xenstore, 0, path, &num); | |
966 | if (entries == NULL) | |
967 | return; | |
968 | ||
969 | for (i = 0; i < num; i++) { | |
970 | physmap = g_malloc(sizeof (XenPhysmap)); | |
971 | physmap->phys_offset = strtoull(entries[i], NULL, 16); | |
972 | snprintf(path, sizeof(path), | |
973 | "/local/domain/0/device-model/%d/physmap/%s/start_addr", | |
974 | xen_domid, entries[i]); | |
975 | value = xs_read(state->xenstore, 0, path, &len); | |
976 | if (value == NULL) { | |
977 | free(physmap); | |
978 | continue; | |
979 | } | |
980 | physmap->start_addr = strtoull(value, NULL, 16); | |
981 | free(value); | |
982 | ||
983 | snprintf(path, sizeof(path), | |
984 | "/local/domain/0/device-model/%d/physmap/%s/size", | |
985 | xen_domid, entries[i]); | |
986 | value = xs_read(state->xenstore, 0, path, &len); | |
987 | if (value == NULL) { | |
988 | free(physmap); | |
989 | continue; | |
990 | } | |
991 | physmap->size = strtoull(value, NULL, 16); | |
992 | free(value); | |
993 | ||
994 | snprintf(path, sizeof(path), | |
995 | "/local/domain/0/device-model/%d/physmap/%s/name", | |
996 | xen_domid, entries[i]); | |
997 | physmap->name = xs_read(state->xenstore, 0, path, &len); | |
998 | ||
999 | QLIST_INSERT_HEAD(&state->physmap, physmap, list); | |
1000 | } | |
1001 | free(entries); | |
1002 | return; | |
1003 | } | |
1004 | ||
29d3ccde AP |
1005 | int xen_hvm_init(void) |
1006 | { | |
9ce94e7c AS |
1007 | int i, rc; |
1008 | unsigned long ioreq_pfn; | |
1009 | XenIOState *state; | |
1010 | ||
7267c094 | 1011 | state = g_malloc0(sizeof (XenIOState)); |
9ce94e7c AS |
1012 | |
1013 | state->xce_handle = xen_xc_evtchn_open(NULL, 0); | |
1014 | if (state->xce_handle == XC_HANDLER_INITIAL_VALUE) { | |
1015 | perror("xen: event channel open"); | |
1016 | return -errno; | |
1017 | } | |
1018 | ||
29321335 AP |
1019 | state->xenstore = xs_daemon_open(); |
1020 | if (state->xenstore == NULL) { | |
1021 | perror("xen: xenstore open"); | |
1022 | return -errno; | |
1023 | } | |
1024 | ||
9ce94e7c AS |
1025 | state->exit.notify = xen_exit_notifier; |
1026 | qemu_add_exit_notifier(&state->exit); | |
1027 | ||
da98c8eb GH |
1028 | state->suspend.notify = xen_suspend_notifier; |
1029 | qemu_register_suspend_notifier(&state->suspend); | |
1030 | ||
9ce94e7c AS |
1031 | xc_get_hvm_param(xen_xc, xen_domid, HVM_PARAM_IOREQ_PFN, &ioreq_pfn); |
1032 | DPRINTF("shared page at pfn %lx\n", ioreq_pfn); | |
1033 | state->shared_page = xc_map_foreign_range(xen_xc, xen_domid, XC_PAGE_SIZE, | |
1034 | PROT_READ|PROT_WRITE, ioreq_pfn); | |
1035 | if (state->shared_page == NULL) { | |
1036 | hw_error("map shared IO page returned error %d handle=" XC_INTERFACE_FMT, | |
1037 | errno, xen_xc); | |
1038 | } | |
1039 | ||
1040 | xc_get_hvm_param(xen_xc, xen_domid, HVM_PARAM_BUFIOREQ_PFN, &ioreq_pfn); | |
1041 | DPRINTF("buffered io page at pfn %lx\n", ioreq_pfn); | |
1042 | state->buffered_io_page = xc_map_foreign_range(xen_xc, xen_domid, XC_PAGE_SIZE, | |
1043 | PROT_READ|PROT_WRITE, ioreq_pfn); | |
1044 | if (state->buffered_io_page == NULL) { | |
1045 | hw_error("map buffered IO page returned error %d", errno); | |
1046 | } | |
1047 | ||
7267c094 | 1048 | state->ioreq_local_port = g_malloc0(smp_cpus * sizeof (evtchn_port_t)); |
9ce94e7c AS |
1049 | |
1050 | /* FIXME: how about if we overflow the page here? */ | |
1051 | for (i = 0; i < smp_cpus; i++) { | |
1052 | rc = xc_evtchn_bind_interdomain(state->xce_handle, xen_domid, | |
1053 | xen_vcpu_eport(state->shared_page, i)); | |
1054 | if (rc == -1) { | |
1055 | fprintf(stderr, "bind interdomain ioctl error %d\n", errno); | |
1056 | return -1; | |
1057 | } | |
1058 | state->ioreq_local_port[i] = rc; | |
1059 | } | |
1060 | ||
432d268c | 1061 | /* Init RAM management */ |
cd1ba7de | 1062 | xen_map_cache_init(xen_phys_offset_to_gaddr, state); |
432d268c JN |
1063 | xen_ram_init(ram_size); |
1064 | ||
fb4bb2b5 | 1065 | qemu_add_vm_change_state_handler(xen_hvm_change_state_handler, state); |
9ce94e7c | 1066 | |
20581d20 | 1067 | state->memory_listener = xen_memory_listener; |
b4dd7802 | 1068 | QLIST_INIT(&state->physmap); |
20581d20 | 1069 | memory_listener_register(&state->memory_listener); |
b4dd7802 AP |
1070 | state->log_for_dirtybit = NULL; |
1071 | ||
ad35a7da SS |
1072 | /* Initialize backend core & drivers */ |
1073 | if (xen_be_init() != 0) { | |
1074 | fprintf(stderr, "%s: xen backend core setup failed\n", __FUNCTION__); | |
1075 | exit(1); | |
1076 | } | |
1077 | xen_be_register("console", &xen_console_ops); | |
37cdfcf1 | 1078 | xen_be_register("vkbd", &xen_kbdmouse_ops); |
ad35a7da | 1079 | xen_be_register("qdisk", &xen_blkdev_ops); |
d1814e08 | 1080 | xen_read_physmap(state); |
ad35a7da | 1081 | |
29d3ccde AP |
1082 | return 0; |
1083 | } | |
9ce94e7c AS |
1084 | |
1085 | void destroy_hvm_domain(void) | |
1086 | { | |
1087 | XenXC xc_handle; | |
1088 | int sts; | |
1089 | ||
1090 | xc_handle = xen_xc_interface_open(0, 0, 0); | |
1091 | if (xc_handle == XC_HANDLER_INITIAL_VALUE) { | |
1092 | fprintf(stderr, "Cannot acquire xenctrl handle\n"); | |
1093 | } else { | |
1094 | sts = xc_domain_shutdown(xc_handle, xen_domid, SHUTDOWN_poweroff); | |
1095 | if (sts != 0) { | |
1096 | fprintf(stderr, "? xc_domain_shutdown failed to issue poweroff, " | |
1097 | "sts %d, %s\n", sts, strerror(errno)); | |
1098 | } else { | |
1099 | fprintf(stderr, "Issued domain %d poweroff\n", xen_domid); | |
1100 | } | |
1101 | xc_interface_close(xc_handle); | |
1102 | } | |
1103 | } | |
c65adf9b AK |
1104 | |
1105 | void xen_register_framebuffer(MemoryRegion *mr) | |
1106 | { | |
1107 | framebuffer = mr; | |
1108 | } |