X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_intr.h;fp=palacios%2Finclude%2Fpalacios%2Fvmm_intr.h;h=fd83edb943e2a5e5e937d1271db1efcacc73d4be;hp=0000000000000000000000000000000000000000;hb=ddc16b0737cf58f7aa90a69c6652cdf4090aec51;hpb=626595465a2c6987606a6bc697df65130ad8c2d3

diff --git a/palacios/include/palacios/vmm_intr.h b/palacios/include/palacios/vmm_intr.h
new file mode 100644
index 0000000..fd83edb
--- /dev/null
+++ b/palacios/include/palacios/vmm_intr.h
@@ -0,0 +1,137 @@
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> 
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#ifndef __VMM_INTR_H_
+#define __VMM_INTR_H_
+
+
+#ifdef __V3VEE__
+
+#include <palacios/vmm_intr.h>
+#include <palacios/vmm_types.h>
+
+
+#define DE_EXCEPTION          0x00  
+#define DB_EXCEPTION          0x01
+#define NMI_EXCEPTION         0x02
+#define BP_EXCEPTION          0x03
+#define OF_EXCEPTION          0x04
+#define BR_EXCEPTION          0x05
+#define UD_EXCEPTION          0x06
+#define NM_EXCEPTION          0x07
+#define DF_EXCEPTION          0x08
+#define TS_EXCEPTION          0x0a
+#define NP_EXCEPTION          0x0b
+#define SS_EXCEPTION          0x0c
+#define GPF_EXCEPTION         0x0d
+#define PF_EXCEPTION          0x0e
+#define MF_EXCEPTION          0x10
+#define AC_EXCEPTION          0x11
+#define MC_EXCEPTION          0x12
+#define XF_EXCEPTION          0x13
+#define SX_EXCEPTION          0x1e
+
+
+typedef enum {INVALID_INTR, EXTERNAL_IRQ, NMI, EXCEPTION, SOFTWARE_INTR, VIRTUAL_INTR} intr_type_t;
+
+struct guest_info;
+struct v3_interrupt;
+
+/* We need a way to allow the APIC/PIC to decide when they are supposed to receive interrupts...
+ * Maybe a notification call when they have been turned on, to deliver irqs to them...
+ * We can rehook the guest raise_irq op, to the appropriate controller
+ */
+
+
+struct v3_irq_hook {
+  int (*handler)(struct guest_info * info, struct v3_interrupt * intr, void * priv_data);
+  void * priv_data;
+};
+
+
+struct v3_intr_state {
+
+  /* We need to rework the exception state, to handle stacking */
+  uint_t excp_pending;
+  uint_t excp_num;
+  uint_t excp_error_code_valid : 1;
+  uint_t excp_error_code;
+  
+  struct intr_ctrl_ops * controller;
+  void * controller_state;
+
+  /* some way to get the [A]PIC intr */
+
+  struct v3_irq_hook * hooks[256];
+  
+};
+
+
+
+void v3_init_interrupt_state(struct guest_info * info);
+
+
+int v3_raise_irq(struct guest_info * info, int irq);
+int v3_lower_irq(struct guest_info * info, int irq);
+
+
+
+struct intr_ctrl_ops {
+  int (*intr_pending)(void * private_data);
+  int (*get_intr_number)(void * private_data);
+  int (*raise_intr)(void * private_data, int irq);
+  int (*lower_intr)(void * private_data, int irq);
+  int (*begin_irq)(void * private_data, int irq);
+};
+
+
+
+
+void v3_set_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state);
+
+int v3_raise_exception(struct guest_info * info, uint_t excp);
+int v3_raise_exception_with_error(struct guest_info * info, uint_t excp, uint_t error_code);
+
+int v3_intr_pending(struct guest_info * info);
+uint_t v3_get_intr_number(struct guest_info * info);
+intr_type_t v3_get_intr_type(struct guest_info * info);
+
+int v3_injecting_intr(struct guest_info * info, uint_t intr_num, intr_type_t type);
+
+/*
+int start_irq(struct vm_intr * intr);
+int end_irq(struct vm_intr * intr, int irq);
+*/
+
+
+
+int v3_hook_irq(struct guest_info * info, 
+		uint_t irq,
+		int (*handler)(struct guest_info * info, struct v3_interrupt * intr, void * priv_data),
+		void  * priv_data);
+
+int v3_hook_passthrough_irq(struct guest_info *info, uint_t irq);
+
+
+
+#endif // !__V3VEE__
+
+
+
+#endif