Update on the VNET Bridge virtio device

[palacios.git] / palacios / src / devices / nvram.c

diff --git a/palacios/src/devices/nvram.c b/palacios/src/devices/nvram.c
index f43cbd0..fb9b319 100644 (file)
--- a/palacios/src/devices/nvram.c
+++ b/palacios/src/devices/nvram.c
@@ -18,15 +18,18 @@
  */
 
 
-#include <devices/nvram.h>
+#include <palacios/vmm_dev_mgr.h>
 #include <palacios/vmm.h>
 #include <palacios/vmm_types.h>
 
 #include <palacios/vmm_lock.h>
 
 #include <devices/ide.h>
+#include <palacios/vmm_intr.h>
+#include <palacios/vmm_host_events.h>
+#include <palacios/vm_guest.h>
 
-#ifndef DEBUG_NVRAM
+#ifndef CONFIG_DEBUG_NVRAM
 #undef PrintDebug
 #define PrintDebug(fmt, args...)
 #endif
@@ -454,7 +457,7 @@ static void update_time( struct vm_device * dev, uint_t period_us) {
 }
 
 
-static int handle_timer_event(struct guest_info * info, 
+static int handle_timer_event(struct v3_vm_info * vm, 
                              struct v3_timer_event * evt, 
                              void * priv_data) {
 
@@ -589,8 +592,8 @@ static void init_harddrives(struct nvram_internal * nvram) {
     }
 }
 
-static int init_nvram_state(struct vm_device * dev) {
-    struct guest_info * info = dev->vm;
+static int init_nvram_state(struct v3_vm_info * vm, struct vm_device * dev) {
+
     struct nvram_internal * nvram = (struct nvram_internal *)dev->private_data;
   
     memset(nvram->mem_state, 0, NVRAM_REG_MAX);
@@ -669,7 +672,7 @@ static int init_nvram_state(struct vm_device * dev) {
     nvram->us = 0;
     nvram->pus = 0;
 
-    set_memory_size(nvram, info->mem_size);
+    set_memory_size(nvram, vm->mem_size);
     init_harddrives(nvram);
     
     nvram->dev_state = NVRAM_READY;
@@ -704,10 +707,8 @@ static int nvram_stop_device(struct vm_device * dev) {
 
 
 
-static int nvram_write_reg_port(ushort_t port,
-                               void * src, 
-                               uint_t length,
-                               struct vm_device * dev) {
+static int nvram_write_reg_port(struct guest_info * core, ushort_t port,
+                               void * src, uint_t length, struct vm_device * dev) {
 
     struct nvram_internal * data = (struct nvram_internal *)dev->private_data;
     
@@ -717,10 +718,8 @@ static int nvram_write_reg_port(ushort_t port,
     return 1;
 }
 
-static int nvram_read_data_port(ushort_t port,
-                               void * dst, 
-                               uint_t length,
-                               struct vm_device * dev) {
+static int nvram_read_data_port(struct guest_info * core, ushort_t port,
+                               void * dst, uint_t length, struct vm_device * dev) {
 
     struct nvram_internal * data = (struct nvram_internal *)dev->private_data;
 
@@ -747,10 +746,8 @@ static int nvram_read_data_port(ushort_t port,
 }
 
 
-static int nvram_write_data_port(ushort_t port,
-                                void * src, 
-                                uint_t length,
-                                struct vm_device * dev) {
+static int nvram_write_data_port(struct guest_info * core, ushort_t port,
+                                void * src, uint_t length, struct vm_device * dev) {
 
     struct nvram_internal * data = (struct nvram_internal *)dev->private_data;
 
@@ -768,25 +765,11 @@ static int nvram_write_data_port(ushort_t port,
 
 
 
-static int nvram_init_device(struct vm_device * dev) {
-    PrintDebug("nvram: init_device\n");
-
-    init_nvram_state(dev);
-
-    // hook ports
-    v3_dev_hook_io(dev, NVRAM_REG_PORT, NULL, &nvram_write_reg_port);
-    v3_dev_hook_io(dev, NVRAM_DATA_PORT, &nvram_read_data_port, &nvram_write_data_port);
-  
-    v3_hook_host_event(dev->vm, HOST_TIMER_EVT, V3_HOST_EVENT_HANDLER(handle_timer_event), dev);
-
-    return 0;
-}
 
-static int nvram_deinit_device(struct vm_device * dev) {
+static int nvram_free(struct vm_device * dev) {
     v3_dev_unhook_io(dev, NVRAM_REG_PORT);
     v3_dev_unhook_io(dev, NVRAM_DATA_PORT);
 
-    nvram_reset_device(dev);
     return 0;
 }
 
@@ -794,9 +777,8 @@ static int nvram_deinit_device(struct vm_device * dev) {
 
 
 
-static struct vm_device_ops dev_ops = { 
-    .init = nvram_init_device, 
-    .deinit = nvram_deinit_device,
+static struct v3_device_ops dev_ops = {  
+    .free = nvram_free,
     .reset = nvram_reset_device,
     .start = nvram_start_device,
     .stop = nvram_stop_device,
@@ -805,16 +787,41 @@ static struct vm_device_ops dev_ops = {
 
 
 
-struct vm_device * v3_create_nvram(struct vm_device * ide) {
+
+static int nvram_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
     struct nvram_internal * nvram_state = NULL;
+    struct vm_device * ide = v3_find_dev(vm, v3_cfg_val(cfg, "storage"));
+    char * name = v3_cfg_val(cfg, "name");
+
+    if (!ide) {
+       PrintError("Could not find IDE device\n");
+       return -1;
+    }
 
+    PrintDebug("nvram: init_device\n");
     nvram_state = (struct nvram_internal *)V3_Malloc(sizeof(struct nvram_internal) + 1000);
 
     PrintDebug("nvram: internal at %p\n", (void *)nvram_state);
 
     nvram_state->ide = ide;
 
-    struct vm_device * device = v3_create_device("NVRAM", &dev_ops, nvram_state);
+    struct vm_device * dev = v3_allocate_device(name, &dev_ops, nvram_state);
+
+
+    if (v3_attach_device(vm, dev) == -1) {
+       PrintError("Could not attach device %s\n", name);
+       return -1;
+    }
+
+    init_nvram_state(vm, dev);
 
-    return device;
+    // hook ports
+    v3_dev_hook_io(dev, NVRAM_REG_PORT, NULL, &nvram_write_reg_port);
+    v3_dev_hook_io(dev, NVRAM_DATA_PORT, &nvram_read_data_port, &nvram_write_data_port);
+  
+    v3_hook_host_event(vm, HOST_TIMER_EVT, V3_HOST_EVENT_HANDLER(handle_timer_event), dev);
+
+    return 0;
 }
+
+device_register("NVRAM", nvram_init)