Context-based output infrastructure (V3_Print, etc) and modifications to use it

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

diff --git a/palacios/src/devices/para_net.c b/palacios/src/devices/para_net.c
index 405b9c6..46e1418 100644 (file)
--- a/palacios/src/devices/para_net.c
+++ b/palacios/src/devices/para_net.c
@@ -17,8 +17,9 @@
  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
  */
 
-#include <devices/para_net.h>
+
 #include <palacios/vmm.h>
+#include <palacios/vmm_dev_mgr.h>
 #include <palacios/vm_guest_mem.h>
 #include <palacios/vmm_hypercall.h>
 
@@ -38,8 +39,13 @@ static int tx_call(struct guest_info * info, uint_t call_no, void * priv_data) {
     addr_t pkt_gpa = info->vm_regs.rbx;
     int pkt_len = info->vm_regs.rcx;
     uchar_t * pkt = V3_Malloc(pkt_len);
+
+    if (!pkt) {
+       PrintError(info->vm_info, info, "Cannot allocate in transmit!\n");
+       return -1;
+    }
     
-    PrintDebug("Transmitting Packet\n");
+    PrintDebug(info->vm_info, info, "Transmitting Packet\n");
     
     if (read_guest_pa_memory(info, pkt_gpa, pkt_len, pkt) != -1) {
        return -1;
@@ -56,7 +62,7 @@ static int rx_call(struct guest_info * info, uint_t call_no, void * priv_data) {
     uint_t pkt_len = 0;
     uchar_t * pkt = NULL;
 
-    PrintDebug("Receiving Packet\n");
+    PrintDebug(info->vm_info, info, "Receiving Packet\n");
     return -1;
 
     if (write_guest_pa_memory(info, pkt_gpa, pkt_len, pkt) != -1) {
@@ -72,56 +78,67 @@ static int macaddr_call(struct guest_info * info, uint_t call_no, void * priv_da
     addr_t mac_gpa = info->vm_regs.rbx;
 
 
-    PrintDebug("Returning MAC ADDR\n");
+    PrintDebug(info->vm_info, info, "Returning MAC ADDR\n");
     
     if (write_guest_pa_memory(info, mac_gpa, 6, nic->mac_addr) != 6) {
-       PrintError("Could not write mac address\n");
+       PrintError(info->vm_info, info, "Could not write mac address\n");
        return -1;
     }
 
     return 0;
 }
 
-static int net_init(struct vm_device * dev) {
-    struct nic_state * nic = (struct nic_state *)dev->private_data;
-
-    v3_register_hypercall(dev->vm, TX_HYPERCALL, tx_call, nic);
-    v3_register_hypercall(dev->vm, RX_HYPERCALL, rx_call, nic);
-    v3_register_hypercall(dev->vm, MACADDR_HYPERCALL, macaddr_call, nic);
 
-    nic->mac_addr[0] = 0x52;
-    nic->mac_addr[1] = 0x54;
-    nic->mac_addr[2] = 0x00;
-    nic->mac_addr[3] = 0x12;
-    nic->mac_addr[4] = 0x34;
-    nic->mac_addr[5] = 0x56;
+static int net_free(struct vm_device * dev) {
 
     return 0;
 }
 
-static int net_deinit(struct vm_device * dev) {
 
-    return 0;
-}
-
-
-static struct vm_device_ops dev_ops = {
-    .init = net_init,
-    .deinit = net_deinit,
+static struct v3_device_ops dev_ops = {
+    .free = net_free,
     .reset = NULL,
     .start = NULL,
     .stop = NULL,
 };
 
 
-struct vm_device * v3_create_para_net() {
+
+
+static int net_init(struct guest_info * vm, v3_cfg_tree_t * cfg) {
     struct nic_state * state = NULL;
+    char * dev_id = v3_cfg_val(cfg, "ID");
 
     state = (struct nic_state *)V3_Malloc(sizeof(struct nic_state));
 
-    PrintDebug("Creating VMNet Device\n");
+    if (!state) {
+       PrintError(info->vm_info, info, "Cannot allocate in init\n");
+       return -1;
+    }
+
+    PrintDebug(info->vm_info, info, "Creating VMNet Device\n");
+
+    struct vm_device * dev = v3_allocate_device(dev_id, &dev_ops, state);
+
+    if (v3_attach_device(vm, dev) == -1) {
+        PrintError(info->vm_info, info, "Could not attach device %s\n", dev_id);
+        return -1;
+    }
 
-    struct vm_device * device = v3_create_device("VMNET", &dev_ops, state);
 
-    return device;
+    v3_register_hypercall(vm, TX_HYPERCALL, tx_call, state);
+    v3_register_hypercall(vm, RX_HYPERCALL, rx_call, state);
+    v3_register_hypercall(vm, MACADDR_HYPERCALL, macaddr_call, state);
+
+    state->mac_addr[0] = 0x52;
+    state->mac_addr[1] = 0x54;
+    state->mac_addr[2] = 0x00;
+    state->mac_addr[3] = 0x12;
+    state->mac_addr[4] = 0x34;
+    state->mac_addr[5] = 0x56;
+
+    return 0;
 }
+
+
+device_register("VMNET", net_init)