1 #include <palacios/vm_dev.h>
2 #include <palacios/vmm_dev_mgr.h>
3 #include <palacios/vm_guest.h>
4 #include <palacios/vmm.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);
146 int dev_unhook_io(struct vm_device *dev,
149 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
150 struct dev_io_hook * hook = dev_mgr_find_io_hook(mgr, port);
156 dev_mgr_remove_io_hook(mgr, hook);
157 dev_remove_io_hook(dev, hook);
159 return unhook_io_port(&(dev->vm->io_map), port);
163 int attach_device(struct guest_info * vm, struct vm_device * dev) {
164 struct vmm_dev_mgr *mgr= &(vm->dev_mgr);
167 dev_mgr_add_device(mgr, dev);
173 int unattach_device(struct vm_device * dev) {
174 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
176 dev->ops->deinit(dev);
177 dev_mgr_remove_device(mgr, dev);
187 int dev_mgr_hook_mem(struct guest_info *vm,
188 struct vm_device *device,
193 struct dev_mem_hook * hook = (struct dev_mem_hook*)V3_Malloc(sizeof(struct dev_mem_hook));
194 // V3_Malloc(struct dev_mem_hook *, hook,sizeof(struct dev_mem_hook));
200 /* not implemented yet
201 hook_memory(vm->mem_map,
202 guest_physical_address_start,
203 guest_physical_address_end,
210 return -1; // remove when hook_memory works
213 hook->addr_start = start;
214 hook->addr_end = end;
221 int dev_mgr_unhook_mem(struct vm_device *dev,
225 struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
226 struct dev_mem_hook *hook = dev_mgr_find_mem_hook(mgr, start, end);
229 // Very bad - unhooking something that doesn't exist!
234 /* not implemented yet
235 return unhook_mem_port(vm->mem_map,
236 guest_physical_start,
237 guest_physical_end) ;
246 void PrintDebugDevMgr(struct vmm_dev_mgr * mgr) {
247 struct vm_device * dev;
248 PrintDebug("%d devices registered with manager\n", mgr->num_devs);
250 list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
252 PrintDebug("next..\n");
259 void PrintDebugDev(struct vm_device * dev) {
261 PrintDebug("Device: %s\n", dev->name);
262 PrintDebugDevIO(dev);
265 void PrintDebugDevMgrIO(struct vmm_dev_mgr * mgr) {
269 void PrintDebugDevIO(struct vm_device * dev) {
270 struct dev_io_hook * hook;
272 PrintDebug("IO Hooks(%d) for Device: %s\n", dev->num_io_hooks, dev->name);
274 list_for_each_entry(hook, &(dev->io_hooks), dev_list) {
275 PrintDebug("\tPort: 0x%x (read=0x%x), (write=0x%x)\n", hook->port, hook->read, hook->write);