reworked the interrupt injection to be guest specific

[palacios.git] / geekos / src / geekos / vmm_stubs.c

diff --git a/geekos/src/geekos/vmm_stubs.c b/geekos/src/geekos/vmm_stubs.c
index ed24cee..e40c8dd 100644 (file)
--- a/geekos/src/geekos/vmm_stubs.c
+++ b/geekos/src/geekos/vmm_stubs.c
@@ -19,8 +19,8 @@
 
 #include <geekos/vmm_stubs.h>
 #include <geekos/serial.h>
-#include <palacios/vm_guest.h>
 #include <geekos/debug.h>
+#include <palacios/vmm.h>
 
 
 
@@ -94,106 +94,45 @@ void VMM_Free(void * addr) {
   Free(addr);
 }
 
-//
-//
-// This is the interrupt state that the VMM's interrupt handlers need to see
-//
-struct vmm_intr_state {
-  uint_t irq;
-  uint_t error;
-
-  uint_t should_ack;  // Should the vmm ack this interrupt, or will
-                      // the host OS do it?
-
-  // This is the value given when the interrupt is hooked.
-  // This will never be NULL
-  void *opaque;
-};
 
 // This is the function the interface code should call to deliver
 // the interrupt to the vmm for handling
-extern void deliver_interrupt_to_vmm(struct vmm_intr_state *state);
-
+//extern int v3_deliver_interrupt(struct guest_info * vm, struct v3_interrupt *intr);
 
-struct guest_info * irq_map[256];
 
-void *my_opaque[256];
+struct guest_info * irq_to_guest_map[256];
 
 
-static void translate_intr_handler(struct Interrupt_State *state)
-{
-
 
-  struct vmm_intr_state mystate;
+void translate_intr_handler(struct Interrupt_State *state) {
+  struct v3_interrupt intr;
 
-  mystate.irq=state->intNum-32;
-  mystate.error=state->errorCode;
-  mystate.should_ack=0;
-  mystate.opaque=my_opaque[mystate.irq];
+  intr.irq = state->intNum - 32;
+  intr.error = state->errorCode;
+  intr.should_ack = 0;
 
   //  PrintBoth("translate_intr_handler: opaque=0x%x\n",mystate.opaque);
 
-  deliver_interrupt_to_vmm(&mystate);
+  v3_deliver_irq(irq_to_guest_map[intr.irq], &intr);
 
   End_IRQ(state);
 
 }
 
 
-/*
-static void pic_intr_handler(struct Interrupt_State * state) {
-  Begin_IRQ(state);
-  struct guest_info * info =   irq_map[state->intNum - 32];
-  SerialPrint("Interrupt %d (IRQ=%d)\n", state->intNum, state->intNum - 32);
-
-  if (info) {
-    info->vm_ops.raise_irq(info, state->intNum - 32);
-  } else {
-    SerialPrint("Interrupt handler error: NULL pointer found, no action taken\n");
-    End_IRQ(state);
-    return;
-  }
-
-  // End_IRQ(state);
-}
-*/
-//
-//
-// I really don't know what the heck this is doing... PAD
-//
-/*
-int hook_irq_stub(struct guest_info * info, int irq) {
-  if (irq_map[irq]) {
-    return -1;
-  }
-
-  SerialPrint("Hooking IRQ: %d (vm=0x%x)\n", irq, info);
-  irq_map[irq] = info;
-  volatile void *foo = pic_intr_handler;
-
-  // This is disabled for the time being 
-  foo = 0;
-
-
-  Disable_IRQ(irq);
-  Install_IRQ(irq, pic_intr_handler);
-  Enable_IRQ(irq);
-  return 0;
-}
-*/
 
-int geekos_hook_interrupt_new(uint_t irq, void * opaque)
+int geekos_hook_interrupt(struct guest_info * vm, unsigned int  irq)
 {
-  if (my_opaque[irq]) { 
+  if (irq_to_guest_map[irq]) { 
     PrintBoth("Attempt to hook interrupt that is already hooked\n");
     return -1;
   } else {
-    PrintBoth("Hooked interrupt 0x%x with opaque 0x%x\n",irq,opaque);
-    my_opaque[irq]=opaque;
+    PrintBoth("Hooked interrupt 0x%x with opaque 0x%x\n", irq, vm);
+    irq_to_guest_map[irq] = vm;
   }
 
   Disable_IRQ(irq);
-  Install_IRQ(irq,translate_intr_handler);
+  Install_IRQ(irq, translate_intr_handler);
   Enable_IRQ(irq);
   return 0;
 }
@@ -206,7 +145,7 @@ int ack_irq(int irq) {
 
   
 void Init_Stubs() {
-  memset(irq_map, 0, sizeof(struct guest_info *) * 256);
+  memset(irq_to_guest_map, 0, sizeof(struct guest_info *) * 256);
 }