Differential D17531 Diff 49707 head/usr.sbin/bhyve/bhyverun.c

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head/usr.sbin/bhyve/bhyverun.c

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#include <sys/types.h>		#include <sys/types.h>
#ifndef WITHOUT_CAPSICUM		#ifndef WITHOUT_CAPSICUM
#include <sys/capsicum.h>		#include <sys/capsicum.h>
#endif		#endif
#include <sys/mman.h>		#include <sys/mman.h>
#include <sys/time.h>		#include <sys/time.h>

		#include <amd64/vmm/intel/vmcs.h>

#include <machine/atomic.h>		#include <machine/atomic.h>
#include <machine/segments.h>		#include <machine/segments.h>

#ifndef WITHOUT_CAPSICUM		#ifndef WITHOUT_CAPSICUM
#include <capsicum_helpers.h>		#include <capsicum_helpers.h>
#endif		#endif
#include <stdio.h>		#include <stdio.h>
#include <stdlib.h>		#include <stdlib.h>
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#include "spinup_ap.h"		#include "spinup_ap.h"
#include "rtc.h"		#include "rtc.h"

#define GUEST_NIO_PORT 0x488 /* guest upcalls via i/o port */		#define GUEST_NIO_PORT 0x488 /* guest upcalls via i/o port */

#define MB (1024UL * 1024)		#define MB (1024UL * 1024)
#define GB (1024UL * MB)		#define GB (1024UL * MB)

		static const char * const vmx_exit_reason_desc[] = {
		[EXIT_REASON_EXCEPTION] = "Exception or non-maskable interrupt (NMI)",
		[EXIT_REASON_EXT_INTR] = "External interrupt",
		[EXIT_REASON_TRIPLE_FAULT] = "Triple fault",
		[EXIT_REASON_INIT] = "INIT signal",
		[EXIT_REASON_SIPI] = "Start-up IPI (SIPI)",
		[EXIT_REASON_IO_SMI] = "I/O system-management interrupt (SMI)",
		[EXIT_REASON_SMI] = "Other SMI",
		[EXIT_REASON_INTR_WINDOW] = "Interrupt window",
		[EXIT_REASON_NMI_WINDOW] = "NMI window",
		[EXIT_REASON_TASK_SWITCH] = "Task switch",
		[EXIT_REASON_CPUID] = "CPUID",
		[EXIT_REASON_GETSEC] = "GETSEC",
		[EXIT_REASON_HLT] = "HLT",
		[EXIT_REASON_INVD] = "INVD",
		[EXIT_REASON_INVLPG] = "INVLPG",
		[EXIT_REASON_RDPMC] = "RDPMC",
		[EXIT_REASON_RDTSC] = "RDTSC",
		[EXIT_REASON_RSM] = "RSM",
		[EXIT_REASON_VMCALL] = "VMCALL",
		[EXIT_REASON_VMCLEAR] = "VMCLEAR",
		[EXIT_REASON_VMLAUNCH] = "VMLAUNCH",
		[EXIT_REASON_VMPTRLD] = "VMPTRLD",
		[EXIT_REASON_VMPTRST] = "VMPTRST",
		[EXIT_REASON_VMREAD] = "VMREAD",
		[EXIT_REASON_VMRESUME] = "VMRESUME",
		[EXIT_REASON_VMWRITE] = "VMWRITE",
		[EXIT_REASON_VMXOFF] = "VMXOFF",
		[EXIT_REASON_VMXON] = "VMXON",
		[EXIT_REASON_CR_ACCESS] = "Control-register accesses",
		[EXIT_REASON_DR_ACCESS] = "MOV DR",
		[EXIT_REASON_INOUT] = "I/O instruction",
		[EXIT_REASON_RDMSR] = "RDMSR",
		[EXIT_REASON_WRMSR] = "WRMSR",
		[EXIT_REASON_INVAL_VMCS] =
		"VM-entry failure due to invalid guest state",
		[EXIT_REASON_INVAL_MSR] = "VM-entry failure due to MSR loading",
		[EXIT_REASON_MWAIT] = "MWAIT",
		[EXIT_REASON_MTF] = "Monitor trap flag",
		[EXIT_REASON_MONITOR] = "MONITOR",
		[EXIT_REASON_PAUSE] = "PAUSE",
		[EXIT_REASON_MCE_DURING_ENTRY] =
		"VM-entry failure due to machine-check event",
		[EXIT_REASON_TPR] = "TPR below threshold",
		[EXIT_REASON_APIC_ACCESS] = "APIC access",
		[EXIT_REASON_VIRTUALIZED_EOI] = "Virtualized EOI",
		[EXIT_REASON_GDTR_IDTR] = "Access to GDTR or IDTR",
		[EXIT_REASON_LDTR_TR] = "Access to LDTR or TR",
		[EXIT_REASON_EPT_FAULT] = "EPT violation",
		[EXIT_REASON_EPT_MISCONFIG] = "EPT misconfiguration",
		[EXIT_REASON_INVEPT] = "INVEPT",
		[EXIT_REASON_RDTSCP] = "RDTSCP",
		[EXIT_REASON_VMX_PREEMPT] = "VMX-preemption timer expired",
		[EXIT_REASON_INVVPID] = "INVVPID",
		[EXIT_REASON_WBINVD] = "WBINVD",
		[EXIT_REASON_XSETBV] = "XSETBV",
		[EXIT_REASON_APIC_WRITE] = "APIC write",
		[EXIT_REASON_RDRAND] = "RDRAND",
		[EXIT_REASON_INVPCID] = "INVPCID",
		[EXIT_REASON_VMFUNC] = "VMFUNC",
		[EXIT_REASON_ENCLS] = "ENCLS",
		[EXIT_REASON_RDSEED] = "RDSEED",
		[EXIT_REASON_PM_LOG_FULL] = "Page-modification log full",
		[EXIT_REASON_XSAVES] = "XSAVES",
		[EXIT_REASON_XRSTORS] = "XRSTORS"
		};

typedef int (vmexit_handler_t)(struct vmctx , struct vm_exit , int vcpu);		typedef int (vmexit_handler_t)(struct vmctx , struct vm_exit , int vcpu);
extern int vmexit_task_switch(struct vmctx , struct vm_exit , int *vcpu);		extern int vmexit_task_switch(struct vmctx , struct vm_exit , int *vcpu);

char *vmname;		char *vmname;

int guest_ncpus;		int guest_ncpus;
uint16_t cores, maxcpus, sockets, threads;		uint16_t cores, maxcpus, sockets, threads;

▲ Show 20 Lines • Show All 401 Lines • ▼ Show 20 Lines	vmexit_spinup_ap(struct vmctx ctx, struct vm_exit vme, int *pvcpu)
(void)spinup_ap(ctx, *pvcpu,		(void)spinup_ap(ctx, *pvcpu,
vme->u.spinup_ap.vcpu, vme->u.spinup_ap.rip);		vme->u.spinup_ap.vcpu, vme->u.spinup_ap.rip);

return (VMEXIT_CONTINUE);		return (VMEXIT_CONTINUE);
}		}

#define DEBUG_EPT_MISCONFIG		#define DEBUG_EPT_MISCONFIG
#ifdef DEBUG_EPT_MISCONFIG		#ifdef DEBUG_EPT_MISCONFIG
#define EXIT_REASON_EPT_MISCONFIG 49
#define VMCS_GUEST_PHYSICAL_ADDRESS 0x00002400		#define VMCS_GUEST_PHYSICAL_ADDRESS 0x00002400
#define VMCS_IDENT(x) ((x) \| 0x80000000)

static uint64_t ept_misconfig_gpa, ept_misconfig_pte[4];		static uint64_t ept_misconfig_gpa, ept_misconfig_pte[4];
static int ept_misconfig_ptenum;		static int ept_misconfig_ptenum;
#endif		#endif

		static const char *
		vmexit_vmx_desc(uint32_t exit_reason)
		{

		if (exit_reason >= nitems(vmx_exit_reason_desc) \|\|
		vmx_exit_reason_desc[exit_reason] == NULL)
		return ("Unknown");
		return (vmx_exit_reason_desc[exit_reason]);
		}

static int		static int
vmexit_vmx(struct vmctx ctx, struct vm_exit vmexit, int *pvcpu)		vmexit_vmx(struct vmctx ctx, struct vm_exit vmexit, int *pvcpu)
{		{

fprintf(stderr, "vm exit[%d]\n", *pvcpu);		fprintf(stderr, "vm exit[%d]\n", *pvcpu);
fprintf(stderr, "\treason\t\tVMX\n");		fprintf(stderr, "\treason\t\tVMX\n");
fprintf(stderr, "\trip\t\t0x%016lx\n", vmexit->rip);		fprintf(stderr, "\trip\t\t0x%016lx\n", vmexit->rip);
fprintf(stderr, "\tinst_length\t%d\n", vmexit->inst_length);		fprintf(stderr, "\tinst_length\t%d\n", vmexit->inst_length);
fprintf(stderr, "\tstatus\t\t%d\n", vmexit->u.vmx.status);		fprintf(stderr, "\tstatus\t\t%d\n", vmexit->u.vmx.status);
fprintf(stderr, "\texit_reason\t%u\n", vmexit->u.vmx.exit_reason);		fprintf(stderr, "\texit_reason\t%u (%s)\n", vmexit->u.vmx.exit_reason,
		vmexit_vmx_desc(vmexit->u.vmx.exit_reason));
fprintf(stderr, "\tqualification\t0x%016lx\n",		fprintf(stderr, "\tqualification\t0x%016lx\n",
vmexit->u.vmx.exit_qualification);		vmexit->u.vmx.exit_qualification);
fprintf(stderr, "\tinst_type\t\t%d\n", vmexit->u.vmx.inst_type);		fprintf(stderr, "\tinst_type\t\t%d\n", vmexit->u.vmx.inst_type);
fprintf(stderr, "\tinst_error\t\t%d\n", vmexit->u.vmx.inst_error);		fprintf(stderr, "\tinst_error\t\t%d\n", vmexit->u.vmx.inst_error);
#ifdef DEBUG_EPT_MISCONFIG		#ifdef DEBUG_EPT_MISCONFIG
if (vmexit->u.vmx.exit_reason == EXIT_REASON_EPT_MISCONFIG) {		if (vmexit->u.vmx.exit_reason == EXIT_REASON_EPT_MISCONFIG) {
vm_get_register(ctx, *pvcpu,		vm_get_register(ctx, *pvcpu,
VMCS_IDENT(VMCS_GUEST_PHYSICAL_ADDRESS),		VMCS_IDENT(VMCS_GUEST_PHYSICAL_ADDRESS),
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