#include <palacios/vmm_dev_mgr.h>
#include <palacios/vm_guest.h>
#include <palacios/vmm.h>
-
+#include <palacios/vmm_irq.h>
extern struct vmm_os_hooks *os_hooks;
#endif
int dev_mgr_init(struct vmm_dev_mgr * mgr) {
- mgr->dev_list.head = NULL;
- mgr->dev_list.num_devs = 0;
+
+ INIT_LIST_HEAD(&(mgr->dev_list));
+ mgr->num_devs = 0;
+
+ INIT_LIST_HEAD(&(mgr->io_hooks));
+ mgr->num_io_hooks = 0;
return 0;
}
-int dev_mgr_deinit(struct vmm_dev_mgr * mgr)
-{
- struct vm_device * dev = mgr->dev_list.head;
+int dev_mgr_deinit(struct vmm_dev_mgr * mgr) {
+ struct vm_device * dev;
- while (dev) {
+ list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
unattach_device(dev);
free_device(dev);
- dev = dev->next;
}
+
return 0;
}
int dev_mgr_add_device(struct vmm_dev_mgr * mgr, struct vm_device * dev) {
- dev->next = mgr->dev_list.head;
- dev->prev = 0;
- if (dev->next) {
- dev->next->prev = dev;
- }
- mgr->dev_list.head = dev;
-
- mgr->dev_list.num_devs++;
+ list_add(&(dev->dev_link), &(mgr->dev_list));
+ mgr->num_devs++;
return 0;
}
int dev_mgr_remove_device(struct vmm_dev_mgr * mgr, struct vm_device * dev) {
- if (mgr->dev_list.head == dev) {
- mgr->dev_list.head = dev->next;
- } else {
- dev->prev->next = dev->next;
- }
- if (dev->next) {
- dev->next->prev = dev->prev;
- }
-
- mgr->dev_list.num_devs--;
+ list_del(&(dev->dev_link));
+ mgr->num_devs--;
return 0;
}
-int dev_mgr_add_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) {
- hook->mgr_next = mgr->io_hooks.head;
- hook->mgr_prev = NULL;
- if (hook->mgr_next) {
- hook->mgr_next->mgr_prev = hook;
- }
- mgr->io_hooks.head = hook;
-
- mgr->io_hooks.num_hooks++;
+/* IO HOOKS */
+int dev_mgr_add_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) {
+ list_add(&(hook->mgr_list), &(mgr->io_hooks));
+ mgr->num_io_hooks++;
return 0;
}
int dev_mgr_remove_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) {
- if (mgr->io_hooks.head == hook) {
- mgr->io_hooks.head = hook->mgr_next;
- } else {
- hook->mgr_prev->mgr_next = hook->mgr_next;
- }
-
- if (hook->mgr_next) {
- hook->mgr_next->mgr_prev = hook->mgr_prev;
- }
-
- mgr->io_hooks.num_hooks--;
+ list_del(&(hook->mgr_list));
+ mgr->num_io_hooks--;
return 0;
}
int dev_add_io_hook(struct vm_device * dev, struct dev_io_hook * hook) {
- hook->dev_next = dev->io_hooks.head;
- hook->dev_prev = NULL;
- if (hook->dev_next) {
- hook->dev_next->dev_prev = hook;
- }
- dev->io_hooks.head = hook;
-
- dev->io_hooks.num_hooks++;
-
+ list_add(&(hook->dev_list), &(dev->io_hooks));
+ dev->num_io_hooks++;
return 0;
}
int dev_remove_io_hook(struct vm_device * dev, struct dev_io_hook * hook) {
- if (dev->io_hooks.head == hook) {
- dev->io_hooks.head = hook->dev_next;
- } else {
- hook->dev_prev->dev_next = hook->dev_next;
- }
-
- if (hook->dev_next) {
- hook->dev_next->dev_prev = hook->dev_prev;
- }
-
- dev->io_hooks.num_hooks--;
+ list_del(&(hook->dev_list));
+ dev->num_io_hooks--;
return 0;
}
+
+
+
struct dev_io_hook * dev_mgr_find_io_hook(struct vmm_dev_mgr * mgr, ushort_t port) {
- struct dev_io_hook * tmp = mgr->io_hooks.head;
+ struct dev_io_hook * tmp;
- while (tmp) {
+ list_for_each_entry(tmp, &(mgr->io_hooks), mgr_list) {
if (tmp->port == port) {
- break;
+ return tmp;
}
- tmp = tmp->mgr_next;
}
-
- return tmp;
+ return NULL;
}
struct dev_io_hook * dev_find_io_hook(struct vm_device * dev, ushort_t port) {
- struct dev_io_hook * tmp = dev->io_hooks.head;
+ struct dev_io_hook * tmp;
- while (tmp) {
+ list_for_each_entry(tmp, &(dev->io_hooks), dev_list) {
if (tmp->port == port) {
- break;
+ return tmp;
}
- tmp = tmp->dev_next;
}
-
- return tmp;
-}
-
-
-
-
-int attach_device(struct guest_info * vm, struct vm_device * dev) {
- struct vmm_dev_mgr *mgr= &(vm->dev_mgr);
-
- dev->vm = vm;
- dev_mgr_add_device(mgr, dev);
- dev->ops->init(dev);
-
- return 0;
+ return NULL;
}
-int unattach_device(struct vm_device * dev) {
- struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
-
- dev->ops->deinit(dev);
- dev_mgr_remove_device(mgr, dev);
- dev->vm = NULL;
-
- return 0;
-}
+
+/* IRQ HOOKS */
+
+int dev_mgr_add_irq_hook(struct vmm_dev_mgr * mgr, struct dev_irq_hook * hook) {
+ list_add(&(hook->mgr_list), &(mgr->irq_hooks));
+ mgr->num_irq_hooks++;
+ return 0;
+}
+
+
+int dev_mgr_remove_irq_hook(struct vmm_dev_mgr * mgr, struct dev_irq_hook * hook) {
+ list_del(&(hook->mgr_list));
+ mgr->num_irq_hooks--;
+
+ return 0;
+}
+
+
+int dev_add_irq_hook(struct vm_device * dev, struct dev_irq_hook * hook) {
+ list_add(&(hook->dev_list), &(dev->irq_hooks));
+ dev->num_irq_hooks++;
+ return 0;
+}
+
+
+int dev_remove_irq_hook(struct vm_device * dev, struct dev_irq_hook * hook) {
+ list_del(&(hook->dev_list));
+ dev->num_irq_hooks--;
+
+ return 0;
+}
+
+
+
+
+
+struct dev_irq_hook * dev_mgr_find_irq_hook(struct vmm_dev_mgr * mgr, uint_t irq) {
+ struct dev_irq_hook * tmp;
+
+ list_for_each_entry(tmp, &(mgr->irq_hooks), mgr_list) {
+ if (tmp->irq == irq) {
+ return tmp;
+ }
+ }
+ return NULL;
+}
+
+struct dev_irq_hook * dev_find_irq_hook(struct vm_device * dev, uint_t irq) {
+ struct dev_irq_hook * tmp;
+
+ list_for_each_entry(tmp, &(dev->irq_hooks), dev_list) {
+ if (tmp->irq == irq) {
+ return tmp;
+ }
+ }
+ return NULL;
+}
+
+
+
+
+int dev_hook_irq(struct vm_device *dev,
+ uint_t irq,
+ int (*handler)(uint_t irq, struct vm_device * dev)) {
+
+ struct dev_irq_hook *hook = os_hooks->malloc(sizeof(struct dev_irq_hook));
+
+ if (!hook) {
+ return -1;
+ }
+
+
+ if (hook_irq(&(dev->vm->irq_map), irq,
+ (int (*)(uint_t, void *))handler,
+ (void *)dev) == 0) {
+
+ hook->dev = dev;
+ hook->irq = irq;
+ hook->handler = handler;
+
+ dev_mgr_add_irq_hook(&(dev->vm->dev_mgr), hook);
+ dev_add_irq_hook(dev, hook);
+ } else {
+ return -1;
+ }
+
+ return 0;
+}
+
+
+int dev_unhook_irq(struct vm_device * dev,
+ uint_t irq) {
+
+ struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
+ struct dev_irq_hook * hook = dev_mgr_find_irq_hook(mgr, irq);
+
+ if (!hook) {
+ return -1;
+ }
+
+ dev_mgr_remove_irq_hook(mgr, hook);
+ dev_remove_irq_hook(dev, hook);
+
+ return unhook_irq(&(dev->vm->irq_map), irq);
+}
+
+
+
+
+
+
+
+
+int attach_device(struct guest_info * vm, struct vm_device * dev) {
+ struct vmm_dev_mgr *mgr= &(vm->dev_mgr);
+
+ dev->vm = vm;
+ dev_mgr_add_device(mgr, dev);
+ dev->ops->init(dev);
+
+ return 0;
+}
+
+int unattach_device(struct vm_device * dev) {
+ struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
+
+ dev->ops->deinit(dev);
+ dev_mgr_remove_device(mgr, dev);
+ dev->vm = NULL;
+
+ return 0;
+}
+
+
+
+
+
int dev_mgr_hook_mem(struct guest_info *vm,
struct vm_device *device,
void *start,
void *end)
{
- struct dev_mem_hook *hook = os_hooks->malloc(sizeof(struct dev_mem_hook));
+ struct dev_mem_hook *hook;
+ VMMMalloc(struct dev_mem_hook *, hook,sizeof(struct dev_mem_hook));
if (!hook) {
return -1;
}
-int dev_mgr_unhook_mem(struct guest_info *vm,
- struct vm_device *device,
- void *start,
- void *end)
-{
- struct dev_mem_hook *hook = device->mem_hooks.head;
-
- while (hook) {
- if (((hook->addr_start) == start) && (hook->addr_end == end)) {
- break;
- }
- }
-
+int dev_mgr_unhook_mem(struct vm_device *dev,
+ addr_t start,
+ addr_t end) {
+ /*
+ struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
+ struct dev_mem_hook *hook = dev_mgr_find_mem_hook(mgr, start, end);
+
if (!hook) {
// Very bad - unhooking something that doesn't exist!
return -1;
}
-
+ */
/* not implemented yet
return unhook_mem_port(vm->mem_map,
void PrintDebugDevMgr(struct vmm_dev_mgr * mgr) {
- struct vm_device * dev = mgr->dev_list.head;
+ struct vm_device * dev;
+ PrintDebug("%d devices registered with manager\n", mgr->num_devs);
- while (dev) {
+ list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
PrintDebugDev(dev);
- dev = dev->next;
+ PrintDebug("next..\n");
}
return;
}
void PrintDebugDevIO(struct vm_device * dev) {
- struct dev_io_hook * hook = dev->io_hooks.head;
-
- PrintDebug("IO Hooks (%d) for Device: %s\n", dev->io_hooks.num_hooks, dev->name);
-
- while (hook) {
+ struct dev_io_hook * hook;
+
+ PrintDebug("IO Hooks(%d) for Device: %s\n", dev->num_io_hooks, dev->name);
+
+ list_for_each_entry(hook, &(dev->io_hooks), dev_list) {
PrintDebug("\tPort: 0x%x (read=0x%x), (write=0x%x)\n", hook->port, hook->read, hook->write);
- hook = hook->dev_next;
}
return;
