added pci passthrough and a few other things

[palacios.git] / palacios / src / palacios / vmm_io.c

diff --git a/palacios/src/palacios/vmm_io.c b/palacios/src/palacios/vmm_io.c
index 4dbd61d..c5cdb59 100644 (file)
--- a/palacios/src/palacios/vmm_io.c
+++ b/palacios/src/palacios/vmm_io.c
@@ -81,7 +81,7 @@ static inline struct v3_io_hook * insert_io_hook(struct guest_info * info, struc
 }
 
 
-struct v3_io_hook * v3_get_io_hook(struct guest_info * info, uint_t port) {
+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 * hook = NULL;
 
@@ -105,7 +105,7 @@ struct v3_io_hook * v3_get_io_hook(struct guest_info * info, uint_t port) {
 
 
 
-int v3_hook_io_port(struct guest_info * info, uint_t port, 
+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), 
                    void * priv_data) {
@@ -129,7 +129,7 @@ int v3_hook_io_port(struct guest_info * info, uint_t port,
   io_hook->priv_data = priv_data;
 
   if (insert_io_hook(info, io_hook)) {
-      PrintError("Could not insert IO hook for port %d\n", port);
+      PrintError("Could not insert IO hook for port %u (0x%x)\n", port, port);
       V3_Free(io_hook);
       return -1;
   }
@@ -138,7 +138,7 @@ int v3_hook_io_port(struct guest_info * info, uint_t port,
   if (info->io_map.update_map(info, port, 
                              ((read == NULL) ? 0 : 1), 
                              ((write == NULL) ? 0 : 1)) == -1) {
-      PrintError("Could not update IO map for port %d\n", port);
+      PrintError("Could not update IO map for port %u (0x%x)\n", port, port);
       V3_Free(io_hook);
       return -1;
   }
@@ -147,21 +147,22 @@ int v3_hook_io_port(struct guest_info * info, uint_t port,
   return 0;
 }
 
-int v3_unhook_io_port(struct guest_info * info, uint_t port) {
-  struct v3_io_hook * hook = v3_get_io_hook(info, port);
+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) {
-    return -1;
-  }
+    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));
+    v3_rb_erase(&(hook->tree_node), &(info->io_map.map));
 
-  // set the arch map to default (this should be 1, 1)
-  info->io_map.update_map(info, port, 0, 0);
+    // set the arch map to default (this should be 1, 1)
+    info->io_map.update_map(info, port, 0, 0);
 
-  V3_Free(hook);
+    V3_Free(hook);
 
-  return 0;
+    return 0;
 }
 
 
@@ -170,18 +171,18 @@ int v3_unhook_io_port(struct guest_info * info, uint_t port) {
 
 
 void v3_print_io_map(struct guest_info * info) {
-  struct v3_io_hook * tmp_hook = NULL;
-  struct rb_node * node = v3_rb_first(&(info->io_map.map));
+    struct v3_io_hook * tmp_hook = NULL;
+    struct rb_node * node = v3_rb_first(&(info->io_map.map));
 
-  PrintDebug("VMM IO Map\n");
+    V3_Print("VMM IO Map\n");
 
-  do {
-    tmp_hook = rb_entry(node, struct v3_io_hook, tree_node);
+    do {
+       tmp_hook = rb_entry(node, struct v3_io_hook, tree_node);
 
-    PrintDebug("IO Port: %hu (Read=%p) (Write=%p)\n", 
-              tmp_hook->port, 
-              (void *)(tmp_hook->read), (void *)(tmp_hook->write));
-  } while ((node = v3_rb_next(node)));
+       V3_Print("IO Port: %hu (Read=%p) (Write=%p)\n", 
+                tmp_hook->port, 
+                (void *)(tmp_hook->read), (void *)(tmp_hook->write));
+    } while ((node = v3_rb_next(node)));
 }
 
 
@@ -268,45 +269,30 @@ uint_t v3_indw(uint16_t port) {
 
 
 /* FIX ME */
-static int default_write(uint16_t port, void *src, uint_t length, void * priv_data) {
-  /*
+static int default_write(uint16_t port, void * src, uint_t length, void * priv_data) {
+    if (length == 1) {
+       v3_outb(port, *(uint8_t *)src);
+    } else if (length == 2) {
+       v3_outw(port, *(uint16_t *)src);
+    } else if (length == 4) {
+       v3_outdw(port, *(uint32_t *)src);
+    } else {
+       return -1;
+    }
     
-  if (length == 1) {
-  __asm__ __volatile__ (
-  "outb %b0, %w1"
-  :
-  : "a" (*dst), "Nd" (port)
-  );
-  } else if (length == 2) {
-  __asm__ __volatile__ (
-  "outw %b0, %w1"
-  :
-  : "a" (*dst), "Nd" (port)
-  );
-  } else if (length == 4) {
-  __asm__ __volatile__ (
-  "outw %b0, %w1"
-  :
-  : "a" (*dst), "Nd" (port)
-  );
-  }
-  */
-  return 0;
+    return length;
 }
 
 static int default_read(uint16_t port, void * dst, uint_t length, void * priv_data) {
+    if (length == 1) {
+       *(uint8_t *)dst = v3_inb(port);
+    } else if (length == 2) {
+       *(uint16_t *)dst = v3_inw(port);
+    } else if (length == 4) {
+       *(uint32_t *)dst = v3_indw(port);
+    } else {
+       return -1;
+    }
 
-  /*    
-       uint8_t value;
-
-    __asm__ __volatile__ (
-       "inb %w1, %b0"
-       : "=a" (value)
-       : "Nd" (port)
-    );
-
-    return value;
-  */
-
-  return 0;
+    return length;
 }