#include <palacios/vmm_decoder.h>
-#ifndef DEBUG_DEV_MGR
+#ifndef CONFIG_DEBUG_DEV_MGR
#undef PrintDebug
#define PrintDebug(fmt, args...)
#endif
struct v3_device_info * tmp_dev = __start__v3_devices;
int i = 0;
-#ifdef DEBUG_DEV_MGR
+#ifdef CONFIG_DEBUG_DEV_MGR
{
int num_devices = (__stop__v3_devices - __start__v3_devices) / sizeof(struct v3_device_info);
PrintDebug("%d Virtual devices registered with Palacios\n", num_devices);
}
-int v3_init_dev_mgr(struct guest_info * info) {
- struct vmm_dev_mgr * mgr = &(info->dev_mgr);
+int v3_init_dev_mgr(struct v3_vm_info * vm) {
+ struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
INIT_LIST_HEAD(&(mgr->dev_list));
mgr->num_devs = 0;
mgr->dev_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn);
+ INIT_LIST_HEAD(&(mgr->blk_list));
+ INIT_LIST_HEAD(&(mgr->net_list));
+ INIT_LIST_HEAD(&(mgr->char_list));
+ INIT_LIST_HEAD(&(mgr->console_list));
+
+ mgr->blk_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn);
+ mgr->net_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn);
+ mgr->char_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn);
+ mgr->console_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn);
+
return 0;
}
-int v3_dev_mgr_deinit(struct guest_info * info) {
+int v3_dev_mgr_deinit(struct v3_vm_info * vm) {
struct vm_device * dev;
- struct vmm_dev_mgr * mgr = &(info->dev_mgr);
+ struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
struct vm_device * tmp;
list_for_each_entry_safe(dev, tmp, &(mgr->dev_list), dev_link) {
v3_detach_device(dev);
- v3_free_device(dev);
}
+ v3_free_htable(mgr->blk_table, 0, 0);
+ v3_free_htable(mgr->net_table, 0, 0);
+ v3_free_htable(mgr->char_table, 0, 0);
+ v3_free_htable(mgr->console_table, 0, 0);
+
+ v3_free_htable(mgr->dev_table, 0, 0);
+
return 0;
}
-int v3_create_device(struct guest_info * info, const char * dev_name, void * cfg_data) {
- int (*dev_init)(struct guest_info * info, void * cfg_data);
+int v3_create_device(struct v3_vm_info * vm, const char * dev_name, v3_cfg_tree_t * cfg) {
+ int (*dev_init)(struct v3_vm_info * vm, void * cfg_data);
dev_init = (void *)v3_htable_search(master_dev_table, (addr_t)dev_name);
}
- if (dev_init(info, cfg_data) == -1) {
+ if (dev_init(vm, cfg) == -1) {
PrintError("Could not initialize Device %s\n", dev_name);
return -1;
}
-struct vm_device * v3_find_dev(struct guest_info * info, const char * dev_name) {
- struct vmm_dev_mgr * mgr = &(info->dev_mgr);
+struct vm_device * v3_find_dev(struct v3_vm_info * vm, const char * dev_name) {
+ struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
+
+ if (!dev_name) {
+ return NULL;
+ }
return (struct vm_device *)v3_htable_search(mgr->dev_table, (addr_t)dev_name);
}
/* The remaining functions are called by the devices themselves */
/****************************************************************/
+struct dev_io_hook {
+ uint16_t port;
+
+ struct list_head node;
+
+};
+
/* 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 (*read)(struct guest_info * core, uint16_t port, void * dst, uint_t length, void * priv_data),
+ int (*write)(struct guest_info * core, uint16_t port, void * src, uint_t length, void * priv_data)) {
+ struct dev_io_hook * io_hook = NULL;
+ int ret = 0;
+
+ ret = v3_hook_io_port(dev->vm, port,
+ (int (*)(struct guest_info * core, ushort_t, void *, uint_t, void *))read,
+ (int (*)(struct guest_info * core, ushort_t, void *, uint_t, void *))write,
+ (void *)dev->private_data);
+
+ if (ret == -1) {
+ return -1;
+ }
+
+ io_hook = V3_Malloc(sizeof(struct dev_io_hook));
+
+ if (io_hook == NULL) {
+ PrintError("Could not allocate io hook dev state\n");
+ return -1;
+ }
+
+ io_hook->port = port;
+ list_add(&(io_hook->node), &(dev->io_hooks));
+
+ return 0;
}
int v3_dev_unhook_io(struct vm_device * dev, uint16_t port) {
- return v3_unhook_io_port(dev->vm, port);
+ struct dev_io_hook * io_hook = NULL;
+ struct dev_io_hook * tmp;
+
+ list_for_each_entry_safe(io_hook, tmp, &(dev->io_hooks), node) {
+ if (io_hook->port == port) {
+
+ list_del(&(io_hook->node));
+ V3_Free(io_hook);
+
+ return v3_unhook_io_port(dev->vm, port);
+ }
+ }
+
+ return -1;
}
int v3_detach_device(struct vm_device * dev) {
struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr);
- dev->ops->free(dev);
+ if (dev->ops->free) {
+ dev->ops->free(dev);
+ } else {
+ PrintError("Error: %s free() not implemented\n", dev->name);
+ }
list_del(&(dev->dev_link));
mgr->num_devs--;
dev->vm = NULL;
+ v3_free_device(dev);
return -1;
}
dev = (struct vm_device*)V3_Malloc(sizeof(struct vm_device));
+ INIT_LIST_HEAD(&(dev->io_hooks));
+
strncpy(dev->name, name, 32);
dev->ops = ops;
dev->private_data = private_data;
}
-int v3_attach_device(struct guest_info * vm, struct vm_device * dev ) {
+int v3_attach_device(struct v3_vm_info * vm, struct vm_device * dev ) {
struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
dev->vm = vm;
}
-#ifdef DEBUG_DEV_MGR
-void PrintDebugDevMgr(struct guest_info * info) {
- struct vmm_dev_mgr * mgr = &(info->dev_mgr);
+void v3_print_dev_mgr(struct v3_vm_info * vm) {
+ struct vmm_dev_mgr * mgr = &(vm->dev_mgr);
struct vm_device * dev;
- PrintDebug("%d devices registered with manager\n", mgr->num_devs);
+ V3_Print("%d devices registered with manager\n", mgr->num_devs);
list_for_each_entry(dev, &(mgr->dev_list), dev_link) {
- PrintDebugDev(dev);
- PrintDebug("next..\n");
+ V3_Print("Device: %s\n", dev->name);
}
return;
}
-void PrintDebugDev(struct vm_device * dev) {
- PrintDebug("Device: %s\n", dev->name);
+
+
+struct blk_frontend {
+ int (*connect)(struct v3_vm_info * vm,
+ void * frontend_data,
+ struct v3_dev_blk_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * priv_data);
+
+
+ struct list_head blk_node;
+
+ void * priv_data;
+};
+
+
+
+int v3_dev_add_blk_frontend(struct v3_vm_info * vm,
+ char * name,
+ int (*connect)(struct v3_vm_info * vm,
+ void * frontend_data,
+ struct v3_dev_blk_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * priv_data),
+ void * priv_data) {
+
+ struct blk_frontend * frontend = NULL;
+
+ frontend = (struct blk_frontend *)V3_Malloc(sizeof(struct blk_frontend));
+ memset(frontend, 0, sizeof(struct blk_frontend));
+
+ frontend->connect = connect;
+ frontend->priv_data = priv_data;
+
+ list_add(&(frontend->blk_node), &(vm->dev_mgr.blk_list));
+ v3_htable_insert(vm->dev_mgr.blk_table, (addr_t)(name), (addr_t)frontend);
+
+ return 0;
}
+int v3_dev_connect_blk(struct v3_vm_info * vm,
+ char * frontend_name,
+ struct v3_dev_blk_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * private_data) {
+ struct blk_frontend * frontend = NULL;
+ frontend = (struct blk_frontend *)v3_htable_search(vm->dev_mgr.blk_table,
+ (addr_t)frontend_name);
+
+ if (frontend == NULL) {
+ PrintError("Could not find frontend blk device %s\n", frontend_name);
+ return 0;
+ }
+
+ if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data) == -1) {
+ PrintError("Error connecting to block frontend %s\n", frontend_name);
+ return -1;
+ }
+
+ return 0;
+}
+
+
+
+struct net_frontend {
+ int (*connect)(struct v3_vm_info * vm,
+ void * frontend_data,
+ struct v3_dev_net_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * priv_data);
+
+
+ struct list_head net_node;
+
+ void * priv_data;
+};
+
+
+int v3_dev_add_net_frontend(struct v3_vm_info * vm,
+ char * name,
+ int (*connect)(struct v3_vm_info * vm,
+ void * frontend_data,
+ struct v3_dev_net_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * private_data),
+ void * priv_data)
+{
+ struct net_frontend * frontend = NULL;
+
+ frontend = (struct net_frontend *)V3_Malloc(sizeof(struct net_frontend));
+ memset(frontend, 0, sizeof(struct net_frontend));
+
+ frontend->connect = connect;
+ frontend->priv_data = priv_data;
+
+ list_add(&(frontend->net_node), &(vm->dev_mgr.net_list));
+ v3_htable_insert(vm->dev_mgr.net_table, (addr_t)(name), (addr_t)frontend);
+
+ return 0;
+}
+
+
+int v3_dev_connect_net(struct v3_vm_info * vm,
+ char * frontend_name,
+ struct v3_dev_net_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * private_data)
+{
+ struct net_frontend * frontend = NULL;
+
+ frontend = (struct net_frontend *)v3_htable_search(vm->dev_mgr.net_table,
+ (addr_t)frontend_name);
+
+ if (frontend == NULL) {
+ PrintError("Could not find frontend net device %s\n", frontend_name);
+ return 0;
+ }
+
+ if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data) == -1) {
+ PrintError("Error connecting to net frontend %s\n", frontend_name);
+ return -1;
+ }
+
+ return 0;
+}
+
+
+struct char_frontend {
+ int (*connect)(struct v3_vm_info * vm,
+ void * frontend_data,
+ struct v3_dev_char_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * priv_data,
+ void ** push_fn_arg);
+
+
+ struct list_head char_node;
+
+ void * priv_data;
+};
+
+
+
+int v3_dev_add_char_frontend(struct v3_vm_info * vm,
+ char * name,
+ int (*connect)(struct v3_vm_info * vm,
+ void * frontend_data,
+ struct v3_dev_char_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * private_data,
+ void ** push_fn_arg),
+ void * priv_data)
+{
+ struct char_frontend * frontend = NULL;
+
+ frontend = (struct char_frontend *)V3_Malloc(sizeof(struct char_frontend));
+ memset(frontend, 0, sizeof(struct char_frontend));
+
+ frontend->connect = connect;
+ frontend->priv_data = priv_data;
+
+ list_add(&(frontend->char_node), &(vm->dev_mgr.char_list));
+ v3_htable_insert(vm->dev_mgr.char_table, (addr_t)(name), (addr_t)frontend);
+
+ return 0;
+}
+
+
+int v3_dev_connect_char(struct v3_vm_info * vm,
+ char * frontend_name,
+ struct v3_dev_char_ops * ops,
+ v3_cfg_tree_t * cfg,
+ void * private_data,
+ void ** push_fn_arg)
+{
+ struct char_frontend * frontend = NULL;
+
+ frontend = (struct char_frontend *)v3_htable_search(vm->dev_mgr.char_table,
+ (addr_t)frontend_name);
+
+ if (frontend == NULL) {
+ PrintError("Could not find frontend char device %s\n", frontend_name);
+ return 0;
+ }
+
+ if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data, push_fn_arg) == -1) {
+ PrintError("Error connecting to char frontend %s\n", frontend_name);
+ return -1;
+ }
+
+ return 0;
+}
-#else
-void PrintDebugDevMgr(struct guest_info * info) {}
-void PrintDebugDev(struct vm_device * dev) {}
-#endif
