+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National
+ * Science Foundation and the Department of Energy.
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico. You can find out more at
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
#include <palacios/vm_dev.h>
#include <palacios/vmm_dev_mgr.h>
#include <palacios/vm_guest.h>
#include <palacios/vmm.h>
-#include <palacios/vmm_irq.h>
+#include <palacios/vmm_decoder.h>
-extern struct vmm_os_hooks *os_hooks;
-#ifndef NULL
-#define NULL 0
+#ifndef DEBUG_DEV_MGR
+#undef PrintDebug
+#define PrintDebug(fmt, args...)
#endif
-int dev_mgr_init(struct vmm_dev_mgr * mgr) {
-
- 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;
-
- list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
- unattach_device(dev);
- free_device(dev);
- }
-
- return 0;
-}
-
-
-
-
-int dev_mgr_add_device(struct vmm_dev_mgr * mgr, struct vm_device * dev) {
- 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) {
- list_del(&(dev->dev_link));
- mgr->num_devs--;
-
- return 0;
-}
-
-
-
-/* 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;
-}
+//DEFINE_HASHTABLE_INSERT(insert_dev, const char *, struct vm_device *);
+//DEFINE_HASHTABLE_SEARCH(find_dev, const char *, struct vm_device *);
+//DEFINE_HASHTABLE_REMOVE(remove_dev, const char *, struct vm_device *, 0);
-int dev_mgr_remove_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) {
- 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) {
- list_add(&(hook->dev_list), &(dev->io_hooks));
- dev->num_io_hooks++;
- return 0;
-}
+int v3_init_dev_mgr(struct guest_info * info) {
+ struct vmm_dev_mgr * mgr = &(info->dev_mgr);
+ INIT_LIST_HEAD(&(mgr->dev_list));
+ mgr->num_devs = 0;
-int dev_remove_io_hook(struct vm_device * dev, struct dev_io_hook * hook) {
- list_del(&(hook->dev_list));
- dev->num_io_hooks--;
+ // mgr->dev_table = v3_create_htable(0, , );
- return 0;
+ return 0;
}
+int v3_dev_mgr_deinit(struct guest_info * info) {
+ struct vm_device * dev;
+ struct vmm_dev_mgr * mgr = &(info->dev_mgr);
+ struct vm_device * tmp;
-
-
-struct dev_io_hook * dev_mgr_find_io_hook(struct vmm_dev_mgr * mgr, ushort_t port) {
- struct dev_io_hook * tmp;
-
- list_for_each_entry(tmp, &(mgr->io_hooks), mgr_list) {
- if (tmp->port == port) {
- return tmp;
+ list_for_each_entry_safe(dev, tmp, &(mgr->dev_list), dev_link) {
+ v3_detach_device(dev);
+ v3_free_device(dev);
}
- }
- return NULL;
-}
-struct dev_io_hook * dev_find_io_hook(struct vm_device * dev, ushort_t port) {
- struct dev_io_hook * tmp;
-
- list_for_each_entry(tmp, &(dev->io_hooks), dev_list) {
- if (tmp->port == port) {
- return tmp;
- }
- }
- return NULL;
+ return 0;
}
-
-int dev_hook_io(struct vm_device *dev,
- ushort_t port,
- int (*read)(ushort_t port, void * dst, uint_t length, struct vm_device * dev),
- int (*write)(ushort_t port, void * src, uint_t length, struct vm_device * dev)) {
-
- struct dev_io_hook *hook = os_hooks->malloc(sizeof(struct dev_io_hook));
+int v3_attach_device(struct guest_info * vm, struct vm_device * dev) {
+ struct vmm_dev_mgr *mgr= &(vm->dev_mgr);
- if (!hook) {
- return -1;
- }
-
+ dev->vm = vm;
- if (hook_io_port(&(dev->vm->io_map), port,
- (int (*)(ushort_t, void *, uint_t, void *))read,
- (int (*)(ushort_t, void *, uint_t, void *))write,
- (void *)dev) == 0) {
+ list_add(&(dev->dev_link), &(mgr->dev_list));
+ mgr->num_devs++;
- hook->dev = dev;
- hook->port = port;
- hook->read = read;
- hook->write = write;
-
- dev_mgr_add_io_hook(&(dev->vm->dev_mgr), hook);
- dev_add_io_hook(dev, hook);
- } else {
+ dev->ops->init(dev);
- return -1;
- }
-
- return 0;
+ return 0;
}
+int v3_detach_device(struct vm_device * dev) {
+ struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
-int dev_unhook_io(struct vm_device *dev,
- ushort_t port) {
-
- struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
- struct dev_io_hook * hook = dev_mgr_find_io_hook(mgr, port);
+ dev->ops->deinit(dev);
- if (!hook) {
- return -1;
- }
+ list_del(&(dev->dev_link));
+ mgr->num_devs--;
- dev_mgr_remove_io_hook(mgr, hook);
- dev_remove_io_hook(dev, hook);
+ dev->vm = NULL;
- return unhook_io_port(&(dev->vm->io_map), port);
+ 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;
+/* IO HOOKS */
+int v3_dev_hook_io(struct vm_device * dev, uint16_t port,
+ int (*read)(uint16_t port, void * dst, uint_t length, struct vm_device * dev),
+ int (*write)(uint16_t port, void * src, uint_t length, struct vm_device * dev)) {
+ return v3_hook_io_port(dev->vm, port,
+ (int (*)(ushort_t, void *, uint_t, void *))read,
+ (int (*)(ushort_t, void *, uint_t, void *))write,
+ (void *)dev);
}
-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 v3_dev_unhook_io(struct vm_device * dev, uint16_t port) {
+ return v3_unhook_io_port(dev->vm, port);
}
-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;
-}
-
+#ifdef DEBUG_DEV_MGR
-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;
-}
+void PrintDebugDevMgr(struct guest_info * info) {
+ struct vmm_dev_mgr * mgr = &(info->dev_mgr);
+ struct vm_device * dev;
-struct dev_irq_hook * dev_find_irq_hook(struct vm_device * dev, uint_t irq) {
- struct dev_irq_hook * tmp;
+ PrintDebug("%d devices registered with manager\n", mgr->num_devs);
- list_for_each_entry(tmp, &(dev->irq_hooks), dev_list) {
- if (tmp->irq == irq) {
- return tmp;
+ list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
+ PrintDebugDev(dev);
+ PrintDebug("next..\n");
}
- }
- 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;
- V3_Malloc(struct dev_mem_hook *, hook,sizeof(struct dev_mem_hook));
-
- if (!hook) {
- return -1;
- }
-
-
-
-
- /* not implemented yet
- hook_memory(vm->mem_map,
- guest_physical_address_start,
- guest_physical_address_end,
- read,
- write,
- device);
-
- */
-
- return -1; // remove when hook_memory works
-
-
- hook->addr_start = start;
- hook->addr_end = end;
-
- return 0;
-
-}
-
-
-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,
- guest_physical_start,
- guest_physical_end) ;
-
- */
- return -1;
-}
-
-
-
-
-void PrintDebugDevMgr(struct vmm_dev_mgr * mgr) {
- struct vm_device * dev;
- PrintDebug("%d devices registered with manager\n", mgr->num_devs);
-
- list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
- PrintDebugDev(dev);
- PrintDebug("next..\n");
- }
-
- return;
+ return;
}
void PrintDebugDev(struct vm_device * dev) {
-
- PrintDebug("Device: %s\n", dev->name);
- PrintDebugDevIO(dev);
-}
-
-void PrintDebugDevMgrIO(struct vmm_dev_mgr * mgr) {
-
+ PrintDebug("Device: %s\n", dev->name);
}
-void PrintDebugDevIO(struct vm_device * dev) {
- 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);
- }
- return;
-}
+#else
+void PrintDebugDevMgr(struct guest_info * info) {}
+void PrintDebugDev(struct vm_device * dev) {}
+#endif
