1 #include <palacios/vm_dev.h>
2 #include <palacios/vmm_dev_mgr.h>
3 #include <palacios/vm_guest.h>
4 #include <palacios/vmm.h>
5 #include <palacios/vmm_irq.h>
7 extern struct vmm_os_hooks *os_hooks;
13 int dev_mgr_init(struct vmm_dev_mgr * mgr) {
15 INIT_LIST_HEAD(&(mgr->dev_list));
18 INIT_LIST_HEAD(&(mgr->io_hooks));
19 mgr->num_io_hooks = 0;
24 int dev_mgr_deinit(struct vmm_dev_mgr * mgr) {
25 struct vm_device * dev;
27 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
38 int dev_mgr_add_device(struct vmm_dev_mgr * mgr, struct vm_device * dev) {
39 list_add(&(dev->dev_link), &(mgr->dev_list));
45 int dev_mgr_remove_device(struct vmm_dev_mgr * mgr, struct vm_device * dev) {
46 list_del(&(dev->dev_link));
55 int dev_mgr_add_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) {
56 list_add(&(hook->mgr_list), &(mgr->io_hooks));
62 int dev_mgr_remove_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) {
63 list_del(&(hook->mgr_list));
70 int dev_add_io_hook(struct vm_device * dev, struct dev_io_hook * hook) {
71 list_add(&(hook->dev_list), &(dev->io_hooks));
77 int dev_remove_io_hook(struct vm_device * dev, struct dev_io_hook * hook) {
78 list_del(&(hook->dev_list));
88 struct dev_io_hook * dev_mgr_find_io_hook(struct vmm_dev_mgr * mgr, ushort_t port) {
89 struct dev_io_hook * tmp;
91 list_for_each_entry(tmp, &(mgr->io_hooks), mgr_list) {
92 if (tmp->port == port) {
99 struct dev_io_hook * dev_find_io_hook(struct vm_device * dev, ushort_t port) {
100 struct dev_io_hook * tmp;
102 list_for_each_entry(tmp, &(dev->io_hooks), dev_list) {
103 if (tmp->port == port) {
113 int dev_hook_io(struct vm_device *dev,
115 int (*read)(ushort_t port, void * dst, uint_t length, struct vm_device * dev),
116 int (*write)(ushort_t port, void * src, uint_t length, struct vm_device * dev)) {
118 struct dev_io_hook *hook = os_hooks->malloc(sizeof(struct dev_io_hook));
125 if (hook_io_port(&(dev->vm->io_map), port,
126 (int (*)(ushort_t, void *, uint_t, void *))read,
127 (int (*)(ushort_t, void *, uint_t, void *))write,
135 dev_mgr_add_io_hook(&(dev->vm->dev_mgr), hook);
136 dev_add_io_hook(dev, hook);
145 int dev_unhook_io(struct vm_device *dev,
148 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
149 struct dev_io_hook * hook = dev_mgr_find_io_hook(mgr, port);
155 dev_mgr_remove_io_hook(mgr, hook);
156 dev_remove_io_hook(dev, hook);
158 return unhook_io_port(&(dev->vm->io_map), port);
166 int dev_mgr_add_irq_hook(struct vmm_dev_mgr * mgr, struct dev_irq_hook * hook) {
167 list_add(&(hook->mgr_list), &(mgr->irq_hooks));
168 mgr->num_irq_hooks++;
173 int dev_mgr_remove_irq_hook(struct vmm_dev_mgr * mgr, struct dev_irq_hook * hook) {
174 list_del(&(hook->mgr_list));
175 mgr->num_irq_hooks--;
181 int dev_add_irq_hook(struct vm_device * dev, struct dev_irq_hook * hook) {
182 list_add(&(hook->dev_list), &(dev->irq_hooks));
183 dev->num_irq_hooks++;
188 int dev_remove_irq_hook(struct vm_device * dev, struct dev_irq_hook * hook) {
189 list_del(&(hook->dev_list));
190 dev->num_irq_hooks--;
199 struct dev_irq_hook * dev_mgr_find_irq_hook(struct vmm_dev_mgr * mgr, uint_t irq) {
200 struct dev_irq_hook * tmp;
202 list_for_each_entry(tmp, &(mgr->irq_hooks), mgr_list) {
203 if (tmp->irq == irq) {
210 struct dev_irq_hook * dev_find_irq_hook(struct vm_device * dev, uint_t irq) {
211 struct dev_irq_hook * tmp;
213 list_for_each_entry(tmp, &(dev->irq_hooks), dev_list) {
214 if (tmp->irq == irq) {
224 int dev_hook_irq(struct vm_device *dev,
226 int (*handler)(uint_t irq, struct vm_device * dev)) {
228 struct dev_irq_hook *hook = os_hooks->malloc(sizeof(struct dev_irq_hook));
235 if (hook_irq(&(dev->vm->irq_map), irq,
236 (int (*)(uint_t, void *))handler,
241 hook->handler = handler;
243 dev_mgr_add_irq_hook(&(dev->vm->dev_mgr), hook);
244 dev_add_irq_hook(dev, hook);
253 int dev_unhook_irq(struct vm_device * dev,
256 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
257 struct dev_irq_hook * hook = dev_mgr_find_irq_hook(mgr, irq);
263 dev_mgr_remove_irq_hook(mgr, hook);
264 dev_remove_irq_hook(dev, hook);
266 return unhook_irq(&(dev->vm->irq_map), irq);
276 int attach_device(struct guest_info * vm, struct vm_device * dev) {
277 struct vmm_dev_mgr *mgr= &(vm->dev_mgr);
280 dev_mgr_add_device(mgr, dev);
286 int unattach_device(struct vm_device * dev) {
287 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
289 dev->ops->deinit(dev);
290 dev_mgr_remove_device(mgr, dev);
300 int dev_mgr_hook_mem(struct guest_info *vm,
301 struct vm_device *device,
306 struct dev_mem_hook *hook;
307 VMMMalloc(struct dev_mem_hook *, hook,sizeof(struct dev_mem_hook));
316 /* not implemented yet
317 hook_memory(vm->mem_map,
318 guest_physical_address_start,
319 guest_physical_address_end,
326 return -1; // remove when hook_memory works
329 hook->addr_start = start;
330 hook->addr_end = end;
337 int dev_mgr_unhook_mem(struct vm_device *dev,
341 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
342 struct dev_mem_hook *hook = dev_mgr_find_mem_hook(mgr, start, end);
345 // Very bad - unhooking something that doesn't exist!
350 /* not implemented yet
351 return unhook_mem_port(vm->mem_map,
352 guest_physical_start,
353 guest_physical_end) ;
362 void PrintDebugDevMgr(struct vmm_dev_mgr * mgr) {
363 struct vm_device * dev;
364 PrintDebug("%d devices registered with manager\n", mgr->num_devs);
366 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
368 PrintDebug("next..\n");
375 void PrintDebugDev(struct vm_device * dev) {
377 PrintDebug("Device: %s\n", dev->name);
378 PrintDebugDevIO(dev);
381 void PrintDebugDevMgrIO(struct vmm_dev_mgr * mgr) {
385 void PrintDebugDevIO(struct vm_device * dev) {
386 struct dev_io_hook * hook;
388 PrintDebug("IO Hooks(%d) for Device: %s\n", dev->num_io_hooks, dev->name);
390 list_for_each_entry(hook, &(dev->io_hooks), dev_list) {
391 PrintDebug("\tPort: 0x%x (read=0x%x), (write=0x%x)\n", hook->port, hook->read, hook->write);