X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvm_guest.c;h=d325e6b09c2d946151878ec9b67faf83459ce946;hb=60ad6a41c6d0ee08ed689e8505eb0c3df0c2a289;hp=5406e7a0243c280f739186ba8e958841fc8d2b79;hpb=97cd5fe64c098b917e5519d30fd54c4b4e338b1c;p=palacios.git

diff --git a/palacios/src/palacios/vm_guest.c b/palacios/src/palacios/vm_guest.c
index 5406e7a..d325e6b 100644
--- a/palacios/src/palacios/vm_guest.c
+++ b/palacios/src/palacios/vm_guest.c
@@ -23,68 +23,87 @@
 #include <palacios/vm_guest.h>
 #include <palacios/vmm_ctrl_regs.h>
 #include <palacios/vmm.h>
+#include <palacios/vmm_decoder.h>
 #include <palacios/vmcb.h>
+#include <palacios/vm_guest_mem.h>
+#include <palacios/vmm_lowlevel.h>
+#include <palacios/vmm_sprintf.h>
+#include <palacios/vmm_xed.h>
+#include <palacios/vmm_direct_paging.h>
+#include <palacios/vmm_barrier.h>
+#include <palacios/vmm_debug.h>
+
+#ifdef V3_CONFIG_MEM_TRACK
+#include <palacios/vmm_mem_track.h>
+#endif
 
 
-v3_vm_cpu_mode_t v3_get_cpu_mode(struct guest_info * info) {
-  struct cr0_32 * cr0;
-  struct cr4_32 * cr4 = (struct cr4_32 *)&(info->ctrl_regs.cr4);
-  struct efer_64 * efer = (struct efer_64 *)&(info->guest_efer);
-  struct v3_segment * cs = &(info->segments.cs);
-
-  if (info->shdw_pg_mode == SHADOW_PAGING) {
-    cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
-  } else if (info->shdw_pg_mode == NESTED_PAGING) {
-    cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
-  } else {
-    PrintError("Invalid Paging Mode...\n");
-    V3_ASSERT(0);
-    return -1;
-  }
-
-  if (cr0->pe == 0) {
-    return REAL;
-  } else if ((cr4->pae == 0) && (efer->lme == 0)) {
-    return PROTECTED;
-  } else if (efer->lme == 0) {
-    return PROTECTED_PAE;
-  } else if ((efer->lme == 1) && (cs->long_mode == 1)) {
-    return LONG;
-  } else {
-    // What about LONG_16_COMPAT???
-    return LONG_32_COMPAT;
-  }
+v3_cpu_mode_t v3_get_vm_cpu_mode(struct guest_info * info) {
+    struct cr0_32 * cr0;
+    struct efer_64 * efer;
+    struct v3_segment * cs = &(info->segments.cs);
+    struct cr4_32 * cr4;
+
+    if (info->shdw_pg_mode == SHADOW_PAGING) {
+	cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
+	efer = (struct efer_64 *)&(info->shdw_pg_state.guest_efer);
+        cr4 = (struct cr4_32 *)&(info->shdw_pg_state.guest_cr4);
+    } else if (info->shdw_pg_mode == NESTED_PAGING) {
+	cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
+	efer = (struct efer_64 *)&(info->ctrl_regs.efer);
+        cr4 = (struct cr4_32 *)&(info->ctrl_regs.cr4);
+    } else {
+        PrintError(info->vm_info, info, "Invalid Paging Mode...\n");
+	V3_ASSERT(info->vm_info, info, 0);
+	return -1;
+    }
+
+    if (cr0->pe == 0) {
+	return REAL;
+    } else if ((cr4->pae == 0) && (efer->lme == 0)) {
+	return PROTECTED;
+    } else if (efer->lme == 0) {
+	return PROTECTED_PAE;
+    } else if ((efer->lme == 1) && (cs->long_mode == 1)) {
+	return LONG;
+    } else {
+	// What about LONG_16_COMPAT???
+	return LONG_32_COMPAT;
+    }
 }
 
 // Get address width in bytes
 uint_t v3_get_addr_width(struct guest_info * info) {
-  struct cr0_32 * cr0;
-  struct cr4_32 * cr4 = (struct cr4_32 *)&(info->ctrl_regs.cr4);
-  struct efer_64 * efer = (struct efer_64 *)&(info->guest_efer);
-  struct v3_segment * cs = &(info->segments.cs);
-
-  if (info->shdw_pg_mode == SHADOW_PAGING) {
-    cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
-  } else if (info->shdw_pg_mode == NESTED_PAGING) {
-    cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
-  } else {
-    PrintError("Invalid Paging Mode...\n");
-    V3_ASSERT(0);
-    return -1;
-  }
-
-  if (cr0->pe == 0) {
-    return 2;
-  } else if ((cr4->pae == 0) && (efer->lme == 0)) {
-    return 4;
-  } else if (efer->lme == 0) {
-    return 4;
-  } else if ((efer->lme == 1) && (cs->long_mode == 1)) {
-    return 8;
-  } else {
-    // What about LONG_16_COMPAT???
-    return 4;
-  }
+    struct cr0_32 * cr0;
+    struct cr4_32 * cr4 = (struct cr4_32 *)&(info->ctrl_regs.cr4);
+    struct efer_64 * efer;
+    struct v3_segment * cs = &(info->segments.cs);
+
+
+    if (info->shdw_pg_mode == SHADOW_PAGING) {
+	cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
+	efer = (struct efer_64 *)&(info->shdw_pg_state.guest_efer);
+    } else if (info->shdw_pg_mode == NESTED_PAGING) {
+	cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
+	efer = (struct efer_64 *)&(info->ctrl_regs.efer);
+    } else {
+        PrintError(info->vm_info, info, "Invalid Paging Mode...\n");
+	V3_ASSERT(info->vm_info, info, 0);
+	return -1;
+    }
+
+    if (cr0->pe == 0) {
+	return 2;
+    } else if ((cr4->pae == 0) && (efer->lme == 0)) {
+	return 4;
+    } else if (efer->lme == 0) {
+	return 4;
+    } else if ((efer->lme == 1) && (cs->long_mode == 1)) {
+	return 8;
+    } else {
+	// What about LONG_16_COMPAT???
+	return 4;
+    }
 }
 
 
@@ -95,133 +114,412 @@ static const uchar_t LONG_STR[] = "Long";
 static const uchar_t LONG_32_COMPAT_STR[] = "32bit Compat";
 static const uchar_t LONG_16_COMPAT_STR[] = "16bit Compat";
 
-const uchar_t * v3_cpu_mode_to_str(v3_vm_cpu_mode_t mode) {
-  switch (mode) {
-  case REAL:
-    return REAL_STR;
-  case PROTECTED:
-    return PROTECTED_STR;
-  case PROTECTED_PAE:
-    return PROTECTED_PAE_STR;
-  case LONG:
-    return LONG_STR;
-  case LONG_32_COMPAT:
-    return LONG_32_COMPAT_STR;
-  case LONG_16_COMPAT:
-    return LONG_16_COMPAT_STR;
-  default:
-    return NULL;
-  }
+const uchar_t * v3_cpu_mode_to_str(v3_cpu_mode_t mode) {
+    switch (mode) {
+	case REAL:
+	    return REAL_STR;
+	case PROTECTED:
+	    return PROTECTED_STR;
+	case PROTECTED_PAE:
+	    return PROTECTED_PAE_STR;
+	case LONG:
+	    return LONG_STR;
+	case LONG_32_COMPAT:
+	    return LONG_32_COMPAT_STR;
+	case LONG_16_COMPAT:
+	    return LONG_16_COMPAT_STR;
+	default:
+	    return NULL;
+    }
 }
 
-v3_vm_mem_mode_t v3_get_mem_mode(struct guest_info * info) {
-  struct cr0_32 * cr0;
-
-  if (info->shdw_pg_mode == SHADOW_PAGING) {
-    cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
-  } else if (info->shdw_pg_mode == NESTED_PAGING) {
-    cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
-  } else {
-    PrintError("Invalid Paging Mode...\n");
-    V3_ASSERT(0);
-    return -1;
-  }
-
-  if (cr0->pg == 0) {
-    return PHYSICAL_MEM;
-  } else {
-    return VIRTUAL_MEM;
-  }
+v3_mem_mode_t v3_get_vm_mem_mode(struct guest_info * info) {
+    struct cr0_32 * cr0;
+
+    if (info->shdw_pg_mode == SHADOW_PAGING) {
+	cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
+    } else if (info->shdw_pg_mode == NESTED_PAGING) {
+	cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
+    } else {
+	PrintError(info->vm_info, info, "Invalid Paging Mode...\n");
+	V3_ASSERT(info->vm_info, info, 0);
+	return -1;
+    }
+
+    if (cr0->pg == 0) {
+	return PHYSICAL_MEM;
+    } else {
+	return VIRTUAL_MEM;
+    }
 }
 
 static const uchar_t PHYS_MEM_STR[] = "Physical Memory";
 static const uchar_t VIRT_MEM_STR[] = "Virtual Memory";
 
-const uchar_t * v3_mem_mode_to_str(v3_vm_mem_mode_t mode) {
-  switch (mode) {
-  case PHYSICAL_MEM:
-    return PHYS_MEM_STR;
-  case VIRTUAL_MEM:
-    return VIRT_MEM_STR;
-  default:
-    return NULL;
-  }
+const uchar_t * v3_mem_mode_to_str(v3_mem_mode_t mode) {
+    switch (mode) {
+	case PHYSICAL_MEM:
+	    return PHYS_MEM_STR;
+	case VIRTUAL_MEM:
+	    return VIRT_MEM_STR;
+	default:
+	    return NULL;
+    }
 }
 
 
-void v3_print_segments(struct guest_info * info) {
-  struct v3_segments * segs = &(info->segments);
-  int i = 0;
-  struct v3_segment * seg_ptr;
 
-  seg_ptr=(struct v3_segment *)segs;
-  
-  char *seg_names[] = {"CS", "DS" , "ES", "FS", "GS", "SS" , "LDTR", "GDTR", "IDTR", "TR", NULL};
-  PrintDebug("Segments\n");
 
-  for (i = 0; seg_names[i] != NULL; i++) {
 
-    PrintDebug("\t%s: Sel=%x, base=%p, limit=%x (long_mode=%d, db=%d)\n", seg_names[i], seg_ptr[i].selector, 
-	       (void *)(addr_t)seg_ptr[i].base, seg_ptr[i].limit,
-	       seg_ptr[i].long_mode, seg_ptr[i].db);
 
-  }
 
+#include <palacios/vmcs.h>
+#include <palacios/vmcb.h>
+static int info_hcall(struct guest_info * core, uint_t hcall_id, void * priv_data) {
+    extern v3_cpu_arch_t v3_mach_type;
+    int cpu_valid = 0;
+
+    V3_Print(core->vm_info, core, "************** Guest State ************\n");
+    v3_print_guest_state(core);
+    
+    // init SVM/VMX
+#ifdef V3_CONFIG_SVM
+    if ((v3_mach_type == V3_SVM_CPU) || (v3_mach_type == V3_SVM_REV3_CPU)) {
+	cpu_valid = 1;
+	PrintDebugVMCB((vmcb_t *)(core->vmm_data));
+    }
+#endif
+#ifdef V3_CONFIG_VMX
+    if ((v3_mach_type == V3_VMX_CPU) || (v3_mach_type == V3_VMX_EPT_CPU) || (v3_mach_type == V3_VMX_EPT_UG_CPU)) {
+	cpu_valid = 1;
+	v3_print_vmcs();
+    }
+#endif
+    if (!cpu_valid) {
+	PrintError(core->vm_info, core, "Invalid CPU Type 0x%x\n", v3_mach_type);
+	return -1;
+    }
+    
+
+    return 0;
 }
 
 
-void v3_print_ctrl_regs(struct guest_info * info) {
-  struct v3_ctrl_regs * regs = &(info->ctrl_regs);
-  int i = 0;
-  v3_reg_t * reg_ptr;
-  char * reg_names[] = {"CR0", "CR2", "CR3", "CR4", "CR8", "FLAGS", NULL};
-  vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(info->vmm_data);
+#ifdef V3_CONFIG_SVM
+#include <palacios/svm.h>
+#include <palacios/svm_io.h>
+#include <palacios/svm_msr.h>
+#include <palacios/svm_exits.h>
+#endif
+
+#ifdef V3_CONFIG_VMX
+#include <palacios/vmx.h>
+#include <palacios/vmx_io.h>
+#include <palacios/vmx_msr.h>
+#include <palacios/vmx_exits.h>
+#endif
+
 
-  reg_ptr= (v3_reg_t *)regs;
+int v3_init_vm(struct v3_vm_info * vm) {
+    extern v3_cpu_arch_t v3_mach_type;
+
+    v3_init_events(vm);
+
+#ifdef V3_CONFIG_TELEMETRY
+    v3_init_telemetry(vm);
+#endif
 
-  PrintDebug("32 bit Ctrl Regs:\n");
+    v3_init_exit_hooks(vm);
+    v3_init_hypercall_map(vm);
+    v3_init_io_map(vm);
+    v3_init_msr_map(vm);
+    v3_init_cpuid_map(vm);
+    v3_init_host_events(vm);
 
-  for (i = 0; reg_names[i] != NULL; i++) {
-    PrintDebug("\t%s=0x%p\n", reg_names[i], (void *)(addr_t)reg_ptr[i]);  
-  }
+    v3_init_intr_routers(vm);
+    v3_init_ext_manager(vm);
 
-  PrintDebug("\tEFER=0x%p\n", (void*)(addr_t)(guest_state->efer));
+    v3_init_barrier(vm);
 
+    // Initialize the memory map
+    if (v3_init_mem_map(vm) == -1) {
+        PrintError(vm, VCORE_NONE, "Could not initialize shadow map\n");
+	return -1;
+    }
+
+    v3_init_mem_hooks(vm);
+
+    if (v3_init_shdw_impl(vm) == -1) {
+        PrintError(vm, VCORE_NONE, "VM initialization error in shadow implementaion\n");
+	return -1;
+    }
+
+    if (v3_init_passthrough_paging(vm) == -1) {
+        PrintError(vm, VCORE_NONE, "VM initialization error in passthrough paging\n");
+	return -1;
+    }
+
+    if (v3_init_nested_paging(vm) == -1) {
+        PrintError(vm, VCORE_NONE, "VM initialization error in nested paging\n");
+	return -1;
+    }
+
+#ifdef V3_CONFIG_MEM_TRACK
+    v3_mem_track_init(vm);
+#endif
+
+    v3_init_time_vm(vm);
+
+    v3_init_vm_debugging(vm);
+
+
+#ifdef V3_CONFIG_SYMBIOTIC
+    v3_init_symbiotic_vm(vm);
+#endif
+
+    v3_init_dev_mgr(vm);
+
+
+    // init SVM/VMX
+    switch (v3_mach_type) {
+#ifdef V3_CONFIG_SVM
+	case V3_SVM_CPU:
+	case V3_SVM_REV3_CPU:
+	    v3_init_svm_io_map(vm);
+	    v3_init_svm_msr_map(vm);
+	    v3_init_svm_exits(vm);
+	    break;
+#endif
+#ifdef V3_CONFIG_VMX
+	case V3_VMX_CPU:
+	case V3_VMX_EPT_CPU:
+	case V3_VMX_EPT_UG_CPU:
+	    v3_init_vmx_io_map(vm);
+	    v3_init_vmx_msr_map(vm);
+	    v3_init_vmx_exits(vm);
+	    break;
+#endif
+	default:
+   	    PrintError(vm, VCORE_NONE, "Invalid CPU Type 0x%x\n", v3_mach_type);
+	    return -1;
+    }
+    
+    v3_register_hypercall(vm, GUEST_INFO_HCALL, info_hcall, NULL);
+
+    V3_Print(vm, VCORE_NONE, "GUEST_INFO_HCALL=%x\n", GUEST_INFO_HCALL);
+
+    return 0;
 }
 
 
-#ifdef __V3_32BIT__
-void v3_print_GPRs(struct guest_info * info) {
-  struct v3_gprs * regs = &(info->vm_regs);
-  int i = 0;
-  v3_reg_t * reg_ptr;
-  char * reg_names[] = { "RDI", "RSI", "RBP", "RSP", "RBX", "RDX", "RCX", "RAX", NULL};
+int v3_free_vm_internal(struct v3_vm_info * vm) {
+    extern v3_cpu_arch_t v3_mach_type;
+
+    v3_remove_hypercall(vm, GUEST_INFO_HCALL);
+
+
+#ifdef V3_CONFIG_HVM
+    v3_deinit_hvm_vm(vm);
+#endif
+
+#ifdef V3_CONFIG_SYMBIOTIC
+    v3_deinit_symbiotic_vm(vm);
+#endif
+
+    // init SVM/VMX
+    switch (v3_mach_type) {
+#ifdef V3_CONFIG_SVM
+	case V3_SVM_CPU:
+	case V3_SVM_REV3_CPU:
+	    v3_deinit_svm_io_map(vm);
+	    v3_deinit_svm_msr_map(vm);
+	    break;
+#endif
+#ifdef V3_CONFIG_VMX
+	case V3_VMX_CPU:
+	case V3_VMX_EPT_CPU:
+	case V3_VMX_EPT_UG_CPU:
+	    v3_deinit_vmx_io_map(vm);
+	    v3_deinit_vmx_msr_map(vm);
+	    break;
+#endif
+	default:
+  	    PrintError(vm, VCORE_NONE, "Invalid CPU Type 0x%x\n", v3_mach_type);
+	    return -1;
+    }
+
+    v3_deinit_dev_mgr(vm);
+
+    v3_deinit_time_vm(vm);
+
+    v3_deinit_mem_hooks(vm);
+
+#ifdef V3_CONFIG_SWAPPING
+    v3_deinit_swapping_vm(vm);
+#endif
+
+    v3_delete_mem_map(vm);
+    v3_deinit_shdw_impl(vm);
+    v3_deinit_passthrough_paging(vm);
+    v3_deinit_nested_paging(vm);
 
-  reg_ptr= (v3_reg_t *)regs;
+    v3_deinit_ext_manager(vm);
+    v3_deinit_intr_routers(vm);
+    v3_deinit_host_events(vm);
 
-  PrintDebug("32 bit GPRs:\n");
+    v3_deinit_barrier(vm);
 
-  for (i = 0; reg_names[i] != NULL; i++) {
-    PrintDebug("\t%s=0x%p\n", reg_names[i], (void *)(addr_t)reg_ptr[i]);  
-  }
+    v3_deinit_cpuid_map(vm);
+    v3_deinit_msr_map(vm);
+    v3_deinit_io_map(vm);
+    v3_deinit_hypercall_map(vm);
+
+    v3_deinit_exit_hooks(vm);
+
+#ifdef V3_CONFIG_TELEMETRY
+    v3_deinit_telemetry(vm);
+#endif
+
+
+    v3_deinit_events(vm);
+
+#ifdef V3_CONFIG_MEM_TRACK
+    v3_mem_track_deinit(vm);
+#endif
+
+    v3_fw_cfg_deinit(vm);
+
+
+    return 0;
 }
-#elif __V3_64BIT__
-void v3_print_GPRs(struct guest_info * info) {
-  struct v3_gprs * regs = &(info->vm_regs);
-  int i = 0;
-  v3_reg_t * reg_ptr;
-  char * reg_names[] = { "RDI", "RSI", "RBP", "RSP", "RBX", "RDX", "RCX", "RAX", \
-			 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15", NULL};
 
-  reg_ptr= (v3_reg_t *)regs;
 
-  PrintDebug("64 bit GPRs:\n");
+int v3_init_core(struct guest_info * core) {
+    extern v3_cpu_arch_t v3_mach_type;
+    struct v3_vm_info * vm = core->vm_info;
+
+
+
+    /*
+     * Initialize the subsystem data strutures
+     */
+#ifdef V3_CONFIG_TELEMETRY
+    v3_init_core_telemetry(core);
+#endif
+
+    if (core->shdw_pg_mode == SHADOW_PAGING) {
+        v3_init_passthrough_paging_core(core);
+	v3_init_shdw_pg_state(core);
+    } else {
+        //done later due to SVM/VMX differences 
+        //v3_init_nested_paging_core(core);
+    }
+
+    v3_init_time_core(core);
+    v3_init_intr_controllers(core);
+    v3_init_exception_state(core);
+
+    v3_init_decoder(core);
+
+
+#ifdef V3_CONFIG_SYMBIOTIC
+    v3_init_symbiotic_core(core);
+#endif
+
+    // init SVM/VMX
+
 
-  for (i = 0; reg_names[i] != NULL; i++) {
-    PrintDebug("\t%s=0x%p\n", reg_names[i], (void *)(addr_t)reg_ptr[i]);  
-  }
+    switch (v3_mach_type) {
+#ifdef V3_CONFIG_SVM
+	case V3_SVM_CPU:
+	case V3_SVM_REV3_CPU:
+	    if (v3_init_svm_vmcb(core, vm->vm_class) == -1) {
+	        PrintError(vm, core, "Error in SVM initialization\n");
+		return -1;
+	    }
+	    break;
+#endif
+#ifdef V3_CONFIG_VMX
+	case V3_VMX_CPU:
+	case V3_VMX_EPT_CPU:
+	case V3_VMX_EPT_UG_CPU:
+	    if (v3_init_vmx_vmcs(core, vm->vm_class) == -1) {
+  	        PrintError(vm, core, "Error in VMX initialization\n");
+		return -1;
+	    }
+	    break;
+#endif
+	default:
+            PrintError(vm, core, "Invalid CPU Type 0x%x\n", v3_mach_type);
+	    return -1;
+    }
+    
+    v3_init_exit_hooks_core(core);
+
+
+    return 0;
 }
 
 
 
+int v3_free_core(struct guest_info * core) {
+    extern v3_cpu_arch_t v3_mach_type;
+
+    
+#ifdef V3_CONFIG_SYMBIOTIC
+    v3_deinit_symbiotic_core(core);
+#endif
+
+#ifdef V3_CONFIG_HVM
+    v3_deinit_hvm_core(core);
+#endif
+
+    v3_deinit_decoder(core);
+
+    v3_deinit_intr_controllers(core);
+    v3_deinit_time_core(core);
+
+    if (core->shdw_pg_mode == SHADOW_PAGING) {
+	v3_deinit_shdw_pg_state(core);
+        v3_deinit_passthrough_paging_core(core);
+   } else {
+        v3_deinit_nested_paging_core(core);
+    }
+
+    v3_free_passthrough_pts(core);
+
+#ifdef V3_CONFIG_TELEMETRY
+    v3_deinit_core_telemetry(core);
+#endif
+
+
+    switch (v3_mach_type) {
+#ifdef V3_CONFIG_SVM
+	case V3_SVM_CPU:
+	case V3_SVM_REV3_CPU:
+	    if (v3_deinit_svm_vmcb(core) == -1) {
+  	        PrintError(VM_NONE,VCORE_NONE, "Error in SVM deinitialization\n");
+		return -1;
+	    }
+	    break;
+#endif
+#ifdef V3_CONFIG_VMX
+	case V3_VMX_CPU:
+	case V3_VMX_EPT_CPU:
+	case V3_VMX_EPT_UG_CPU:
+	    if (v3_deinit_vmx_vmcs(core) == -1) {
+	        PrintError(VM_NONE, VCORE_NONE, "Error in VMX initialization\n");
+		return -1;
+	    }
+	    break;
 #endif
+	default:
+  	    PrintError(core->vm_info, core, "Invalid CPU Type 0x%x\n", v3_mach_type);
+	    return -1;
+    }
+
+    return 0;
+}
+
+
+