-#ifndef CONFIG_DEBUG_IO
+#ifndef V3_CONFIG_DEBUG_IO
#undef PrintDebug
#define PrintDebug(fmt, args...)
#endif
+static int free_hook(struct v3_vm_info * vm, struct v3_io_hook * hook);
-static int default_write(uint16_t port, void *src, uint_t length, void * priv_data);
-static int default_read(uint16_t port, void * dst, uint_t length, void * priv_data);
+static int default_write(struct guest_info * core, uint16_t port, void *src, uint_t length, void * priv_data);
+static int default_read(struct guest_info * core, uint16_t port, void * dst, uint_t length, void * priv_data);
-void v3_init_io_map(struct guest_info * info) {
+void v3_init_io_map(struct v3_vm_info * vm) {
- info->io_map.map.rb_node = NULL;
- info->io_map.arch_data = NULL;
- info->io_map.update_map = NULL;
+ vm->io_map.map.rb_node = NULL;
+ vm->io_map.arch_data = NULL;
+ vm->io_map.update_map = NULL;
}
+int v3_deinit_io_map(struct v3_vm_info * vm) {
+ struct rb_node * node = v3_rb_first(&(vm->io_map.map));
+ struct v3_io_hook * hook = NULL;
+ struct rb_node * tmp_node = NULL;
+
+ while (node) {
+ hook = rb_entry(node, struct v3_io_hook, tree_node);
+ tmp_node = node;
+ node = v3_rb_next(node);
+
+ free_hook(vm, hook);
+ }
+
+ return 0;
+}
+
-static inline struct v3_io_hook * __insert_io_hook(struct guest_info * info, struct v3_io_hook * hook) {
- struct rb_node ** p = &(info->io_map.map.rb_node);
+static inline struct v3_io_hook * __insert_io_hook(struct v3_vm_info * vm, struct v3_io_hook * hook) {
+ struct rb_node ** p = &(vm->io_map.map.rb_node);
struct rb_node * parent = NULL;
struct v3_io_hook * tmp_hook = NULL;
return tmp_hook;
}
}
+
rb_link_node(&(hook->tree_node), parent, p);
return NULL;
}
-static inline struct v3_io_hook * insert_io_hook(struct guest_info * info, struct v3_io_hook * hook) {
+static inline struct v3_io_hook * insert_io_hook(struct v3_vm_info * vm, struct v3_io_hook * hook) {
struct v3_io_hook * ret;
- if ((ret = __insert_io_hook(info, hook))) {
+ if ((ret = __insert_io_hook(vm, hook))) {
return ret;
}
- v3_rb_insert_color(&(hook->tree_node), &(info->io_map.map));
+ v3_rb_insert_color(&(hook->tree_node), &(vm->io_map.map));
return NULL;
}
-struct v3_io_hook * v3_get_io_hook(struct guest_info * info, uint16_t port) {
- struct rb_node * n = info->io_map.map.rb_node;
+struct v3_io_hook * v3_get_io_hook(struct v3_vm_info * vm, uint16_t port) {
+ struct rb_node * n = vm->io_map.map.rb_node;
struct v3_io_hook * hook = NULL;
while (n) {
-int v3_hook_io_port(struct guest_info * info, uint16_t port,
- int (*read)(uint16_t port, void * dst, uint_t length, void * priv_data),
- int (*write)(uint16_t port, void * src, uint_t length, void * priv_data),
+int v3_hook_io_port(struct v3_vm_info * vm, uint16_t port,
+ 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),
void * priv_data) {
struct v3_io_hook * io_hook = (struct v3_io_hook *)V3_Malloc(sizeof(struct v3_io_hook));
+ if (!io_hook) {
+ PrintError(vm, VCORE_NONE, "Cannot allocate in hooking an I/O port\n");
+ return -1;
+ }
+
+
io_hook->port = port;
if (!read) {
io_hook->write = write;
}
-
io_hook->priv_data = priv_data;
- if (insert_io_hook(info, io_hook)) {
- PrintError("Could not insert IO hook for port %u (0x%x)\n", port, port);
+ if (insert_io_hook(vm, io_hook)) {
+ PrintError(vm, VCORE_NONE, "Could not insert IO hook for port %u (0x%x)\n", port, port);
V3_Free(io_hook);
return -1;
}
- if (info->io_map.update_map) {
- if (info->io_map.update_map(info, port,
+ if (vm->io_map.update_map) {
+ if (vm->io_map.update_map(vm, port,
((read == NULL) ? 0 : 1),
((write == NULL) ? 0 : 1)) == -1) {
- PrintError("Could not update IO map for port %u (0x%x)\n", port, port);
+ PrintError(vm, VCORE_NONE, "Could not update IO map for port %u (0x%x)\n", port, port);
V3_Free(io_hook);
return -1;
}
return 0;
}
-int v3_unhook_io_port(struct guest_info * info, uint16_t port) {
- struct v3_io_hook * hook = v3_get_io_hook(info, port);
- if (hook == NULL) {
- PrintError("Could not find port to unhook %u (0x%x)\n", port, port);
- return -1;
- }
-
- v3_rb_erase(&(hook->tree_node), &(info->io_map.map));
+static int free_hook(struct v3_vm_info * vm, struct v3_io_hook * hook) {
+ v3_rb_erase(&(hook->tree_node), &(vm->io_map.map));
- if (info->io_map.update_map) {
+ if (vm->io_map.update_map) {
// set the arch map to default (this should be 1, 1)
- info->io_map.update_map(info, port, 0, 0);
+ vm->io_map.update_map(vm, hook->port, 0, 0);
}
V3_Free(hook);
return 0;
}
+int v3_unhook_io_port(struct v3_vm_info * vm, uint16_t port) {
+ struct v3_io_hook * hook = v3_get_io_hook(vm, port);
+
+ if (hook == NULL) {
+ PrintError(vm, VCORE_NONE, "Could not find port to unhook %u (0x%x)\n", port, port);
+ return -1;
+ }
+
+ free_hook(vm, hook);
+
+ return 0;
+}
+
-void v3_refresh_io_map(struct guest_info * info) {
- struct v3_io_map * io_map = &(info->io_map);
+void v3_refresh_io_map(struct v3_vm_info * vm) {
+ struct v3_io_map * io_map = &(vm->io_map);
struct v3_io_hook * tmp = NULL;
if (io_map->update_map == NULL) {
- PrintError("Trying to refresh an io map with no backend\n");
+ PrintError(vm, VCORE_NONE, "Trying to refresh an io map with no backend\n");
return;
}
v3_rb_for_each_entry(tmp, &(io_map->map), tree_node) {
- io_map->update_map(info, tmp->port,
+ io_map->update_map(vm, tmp->port,
((tmp->read == NULL) ? 0 : 1),
((tmp->write == NULL) ? 0 : 1));
}
-void v3_print_io_map(struct guest_info * info) {
- struct v3_io_map * io_map = &(info->io_map);
+void v3_print_io_map(struct v3_vm_info * vm) {
+ struct v3_io_map * io_map = &(vm->io_map);
struct v3_io_hook * tmp_hook = NULL;
- V3_Print("VMM IO Map\n");
+ V3_Print(vm, VCORE_NONE, "VMM IO Map\n");
v3_rb_for_each_entry(tmp_hook, &(io_map->map), tree_node) {
- V3_Print("IO Port: %hu (Read=%p) (Write=%p)\n",
+ V3_Print(vm, VCORE_NONE, "IO Port: %hu (Read=%p) (Write=%p)\n",
tmp_hook->port,
(void *)(tmp_hook->read), (void *)(tmp_hook->write));
}
/* FIX ME */
-static int default_write(uint16_t port, void * src, uint_t length, void * priv_data) {
+static int default_write(struct guest_info * core, uint16_t port, void * src, uint_t length, void * priv_data) {
if (length == 1) {
v3_outb(port, *(uint8_t *)src);
} else if (length == 2) {
return length;
}
-static int default_read(uint16_t port, void * dst, uint_t length, void * priv_data) {
+static int default_read(struct guest_info * core, uint16_t port, void * dst, uint_t length, void * priv_data) {
if (length == 1) {
*(uint8_t *)dst = v3_inb(port);
} else if (length == 2) {