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vbox: use multiple host CPUs

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Fixes #1553
This commit is contained in:
Christian Prochaska 2015-07-24 18:38:34 +02:00 committed by Christian Helmuth
parent 824fb72694
commit 4c19576d4e
15 changed files with 213 additions and 85 deletions
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2
repos/ports/ports/virtualbox.hash
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@ -1 +1 @@
166105c79c2ebd0d8378af72bb4c392595c7bd67
59e99301300f881be06c12cd50fbe8b1164e1845

4
repos/ports/run/vm_win7.vbox
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@ -21,7 +21,7 @@
<ExtraDataItem name="GUI/LastNormalWindowPosition" value="513,100,1024,790"/>
</ExtraData>
<Hardware version="2">
<CPU count="1" hotplug="false">
<CPU count="2" hotplug="false">
<HardwareVirtEx enabled="true"/>
<HardwareVirtExNestedPaging enabled="true"/>
<HardwareVirtExVPID enabled="true"/>
@ -46,7 +46,7 @@
<RemoteDisplay enabled="false" authType="Null"/>
<BIOS>
<ACPI enabled="true"/>
<IOAPIC enabled="false"/>
<IOAPIC enabled="true"/>
<Logo fadeIn="true" fadeOut="true" displayTime="0"/>
<BootMenu mode="MessageAndMenu"/>
<TimeOffset value="0"/>

2
repos/ports/run/vm_win8.vbox
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@ -21,7 +21,7 @@
<ExtraDataItem name="GUI/LastNormalWindowPosition" value="0,12,1439,863"/>
</ExtraData>
<Hardware version="2">
<CPU count="1" hotplug="false">
<CPU count="2" hotplug="false">
<HardwareVirtEx enabled="true"/>
<HardwareVirtExNestedPaging enabled="true"/>
<HardwareVirtExVPID enabled="true"/>

3
repos/ports/src/virtualbox/accloff/sup.cc
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@ -84,7 +84,8 @@ bool create_emt_vcpu(pthread_t * thread, size_t stack_size,
const pthread_attr_t *attr,
void *(*start_routine)(void *), void *arg,
Genode::Cpu_session * cpu_session,
Genode::Affinity::Location location)
Genode::Affinity::Location location,
unsigned int cpu_id)
{
/* no hardware acceleration support */
return false;

63
repos/ports/src/virtualbox/nova/sup.cc
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@ -38,14 +38,26 @@
#include "vcpu_svm.h"
#include "vcpu_vmx.h"
static Vcpu_handler *vcpu_handler = 0;
/* libc memory allocator */
#include <libc_mem_alloc.h>
static Genode::Semaphore *r0_halt_sem()
static Genode::List<Vcpu_handler> &vcpu_handler_list()
{
static Genode::Semaphore sem;
return &sem;
static Genode::List<Vcpu_handler> _inst;
return _inst;
}
static Vcpu_handler *lookup_vcpu_handler(unsigned int cpu_id)
{
for (Vcpu_handler *vcpu_handler = vcpu_handler_list().first();
vcpu_handler;
vcpu_handler = vcpu_handler->next())
if (vcpu_handler->cpu_id() == cpu_id)
return vcpu_handler;
return 0;
}
@ -80,7 +92,9 @@ int SUPR3CallVMMR0Fast(PVMR0 pVMR0, unsigned uOperation, VMCPUID idCpu)
{
switch (uOperation) {
case SUP_VMMR0_DO_HM_RUN:
return vcpu_handler->run_hw(pVMR0, idCpu);
Vcpu_handler *vcpu_handler = lookup_vcpu_handler(idCpu);
Assert(vcpu_handler);
return vcpu_handler->run_hw(pVMR0);
}
return VERR_INTERNAL_ERROR;
}
@ -95,13 +109,25 @@ int SUPR3CallVMMR0Ex(PVMR0 pVMR0, VMCPUID idCpu, unsigned
genode_VMMR0_DO_GVMM_CREATE_VM(pReqHdr);
return VINF_SUCCESS;
case VMMR0_DO_GVMM_SCHED_HALT:
r0_halt_sem()->down();
case VMMR0_DO_GVMM_REGISTER_VMCPU:
genode_VMMR0_DO_GVMM_REGISTER_VMCPU(pVMR0, idCpu);
return VINF_SUCCESS;
case VMMR0_DO_GVMM_SCHED_WAKE_UP:
r0_halt_sem()->up();
case VMMR0_DO_GVMM_SCHED_HALT:
{
Vcpu_handler *vcpu_handler = lookup_vcpu_handler(idCpu);
Assert(vcpu_handler);
vcpu_handler->halt();
return VINF_SUCCESS;
}
case VMMR0_DO_GVMM_SCHED_WAKE_UP:
{
Vcpu_handler *vcpu_handler = lookup_vcpu_handler(idCpu);
Assert(vcpu_handler);
vcpu_handler->wake_up();
return VINF_SUCCESS;
}
/* called by 'vmR3HaltGlobal1Halt' */
case VMMR0_DO_GVMM_SCHED_POLL:
@ -120,9 +146,13 @@ int SUPR3CallVMMR0Ex(PVMR0 pVMR0, VMCPUID idCpu, unsigned
return VINF_SUCCESS;
case VMMR0_DO_GVMM_SCHED_POKE:
{
Vcpu_handler *vcpu_handler = lookup_vcpu_handler(idCpu);
Assert(vcpu_handler);
if (vcpu_handler)
vcpu_handler->recall();
return VINF_SUCCESS;
}
default:
PERR("SUPR3CallVMMR0Ex: unhandled uOperation %d", uOperation);
@ -213,23 +243,30 @@ bool create_emt_vcpu(pthread_t * pthread, size_t stack,
const pthread_attr_t *attr,
void *(*start_routine)(void *), void *arg,
Genode::Cpu_session * cpu_session,
Genode::Affinity::Location location)
Genode::Affinity::Location location,
unsigned int cpu_id)
{
Nova::Hip * hip = hip_rom.local_addr<Nova::Hip>();
if (!hip->has_feature_vmx() && !hip->has_feature_svm())
return false;
Vcpu_handler *vcpu_handler = 0;
if (hip->has_feature_vmx())
vcpu_handler = new (0x10) Vcpu_handler_vmx(stack, attr, start_routine,
arg, cpu_session, location);
arg, cpu_session, location,
cpu_id);
if (hip->has_feature_svm())
vcpu_handler = new (0x10) Vcpu_handler_svm(stack, attr, start_routine,
arg, cpu_session, location);
arg, cpu_session, location,
cpu_id);
Assert(!(reinterpret_cast<unsigned long>(vcpu_handler) & 0xf));
vcpu_handler_list().insert(vcpu_handler);
*pthread = vcpu_handler;
return true;
}

29
repos/ports/src/virtualbox/nova/vcpu.h
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@ -74,7 +74,8 @@ extern "C" int MMIO2_MAPPED_SYNC(PVM pVM, RTGCPHYS GCPhys, size_t cbWrite,
bool &writeable);
class Vcpu_handler : public Vmm::Vcpu_dispatcher<pthread>
class Vcpu_handler : public Vmm::Vcpu_dispatcher<pthread>,
public Genode::List<Vcpu_handler>::Element
{
private:
@ -87,6 +88,9 @@ class Vcpu_handler : public Vmm::Vcpu_dispatcher<pthread>
Genode::addr_t _ec_sel;
bool _irq_win;
unsigned int _cpu_id;
Genode::Semaphore _halt_sem;
void fpu_save(char * data) {
Assert(!(reinterpret_cast<Genode::addr_t>(data) & 0xF));
asm volatile ("fxsave %0" : "=m" (*data));
@ -219,7 +223,6 @@ class Vcpu_handler : public Vmm::Vcpu_dispatcher<pthread>
using namespace Genode;
Assert(utcb->actv_state == ACTIVITY_STATE_ACTIVE);
Assert(utcb->intr_state == INTERRUPT_STATE_NONE);
if (utcb->inj_info & IRQ_INJ_VALID_MASK)
Vmm::printf("inj_info %x\n", utcb->inj_info);
@ -635,16 +638,20 @@ class Vcpu_handler : public Vmm::Vcpu_dispatcher<pthread>
Vcpu_handler(size_t stack_size, const pthread_attr_t *attr,
void *(*start_routine) (void *), void *arg,
Genode::Cpu_session * cpu_session,
Genode::Affinity::Location location)
Genode::Affinity::Location location,
unsigned int cpu_id)
:
Vmm::Vcpu_dispatcher<pthread>(stack_size, _cap_connection,
cpu_session, location,
attr ? *attr : 0, start_routine, arg),
_vcpu(cpu_session, location),
_ec_sel(Genode::cap_map()->insert()),
_irq_win(false)
_irq_win(false),
_cpu_id(cpu_id)
{ }
unsigned int cpu_id() { return _cpu_id; }
void start() {
_vcpu.start(_ec_sel);
}
@ -660,6 +667,16 @@ class Vcpu_handler : public Vmm::Vcpu_dispatcher<pthread>
}
}
void halt()
{
_halt_sem.down();
}
void wake_up()
{
_halt_sem.up();
}
inline void dump_register_state(PCPUMCTX pCtx)
{
PINF("pCtx");
@ -742,10 +759,10 @@ class Vcpu_handler : public Vmm::Vcpu_dispatcher<pthread>
PLOG("%x %x %x", utcb->intr_state, utcb->actv_state, utcb->mtd);
}
int run_hw(PVMR0 pVMR0, VMCPUID idCpu)
int run_hw(PVMR0 pVMR0)
{
VM * pVM = reinterpret_cast<VM *>(pVMR0);
PVMCPU pVCpu = &pVM->aCpus[idCpu];
PVMCPU pVCpu = &pVM->aCpus[_cpu_id];
PCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu);
Nova::Utcb *utcb = reinterpret_cast<Nova::Utcb *>(Thread_base::utcb());

5
repos/ports/src/virtualbox/nova/vcpu_svm.h
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@ -84,10 +84,11 @@ class Vcpu_handler_svm : public Vcpu_handler
Vcpu_handler_svm(size_t stack_size, const pthread_attr_t *attr,
void *(*start_routine) (void *), void *arg,
Genode::Cpu_session * cpu_session,
Genode::Affinity::Location location)
Genode::Affinity::Location location,
unsigned int cpu_id)
:
Vcpu_handler(stack_size, attr, start_routine, arg, cpu_session,
location)
location, cpu_id)
{
using namespace Nova;

5
repos/ports/src/virtualbox/nova/vcpu_vmx.h
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@ -149,10 +149,11 @@ class Vcpu_handler_vmx : public Vcpu_handler
Vcpu_handler_vmx(size_t stack_size, const pthread_attr_t *attr,
void *(*start_routine) (void *), void *arg,
Genode::Cpu_session * cpu_session,
Genode::Affinity::Location location)
Genode::Affinity::Location location,
unsigned int cpu_id)
:
Vcpu_handler(stack_size, attr, start_routine, arg, cpu_session,
location)
location, cpu_id)
{
using namespace Nova;

1
repos/ports/src/virtualbox/patches/series
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@ -19,3 +19,4 @@ avoid_yield.patch
serial.patch
rem_irq.patch
usb.patch
tm_smp.patch

27
repos/ports/src/virtualbox/patches/tm_smp.patch Normal file
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@ -0,0 +1,27 @@
tm_smp.patch
diff --git a/src/app/virtualbox/src/VBox/VMM/VMMR3/TM.cpp b/src/app/virtualbox/src/VBox/VMM/VMMR3/TM.cpp
index a5dc16e..df851a1 100644
--- a/src/app/virtualbox/src/VBox/VMM/VMMR3/TM.cpp
+++ b/src/app/virtualbox/src/VBox/VMM/VMMR3/TM.cpp
@@ -1901,10 +1901,19 @@ static DECLCALLBACK(void) tmR3TimerCallback(PRTTIMER pTimer, void *pvUser, uint6
NOREF(pTimer);
AssertCompile(TMCLOCK_MAX == 4);
+
+ if (VMCPU_FF_IS_SET(pVCpuDst, VMCPU_FF_TIMER)) {
#ifdef DEBUG_Sander /* very annoying, keep it private. */
- if (VMCPU_FF_IS_SET(pVCpuDst, VMCPU_FF_TIMER))
Log(("tmR3TimerCallback: timer event still pending!!\n"));
#endif
+ /*
+ * The VMCPU_FF_TIMER flag could have been set by a non-destination
+ * EMT thread without waking the destination EMT thread.
+ */
+ VMR3NotifyCpuFFU(pVCpuDst->pUVCpu, VMNOTIFYFF_FLAGS_DONE_REM);
+ return;
+ }
+
if ( !VMCPU_FF_IS_SET(pVCpuDst, VMCPU_FF_TIMER)
&& ( pVM->tm.s.paTimerQueuesR3[TMCLOCK_VIRTUAL_SYNC].offSchedule /** @todo FIXME - reconsider offSchedule as a reason for running the timer queues. */
|| pVM->tm.s.paTimerQueuesR3[TMCLOCK_VIRTUAL].offSchedule

25
repos/ports/src/virtualbox/pgm.cc
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@ -672,6 +672,31 @@ extern "C" int MMIO2_MAPPED_SYNC(PVM pVM, RTGCPHYS GCPhys, size_t cbWrite,
}
/**
* Resets a virtual CPU when unplugged.
*
* @param pVM Pointer to the VM.
* @param pVCpu Pointer to the VMCPU.
*/
VMMR3DECL(void) PGMR3ResetCpu(PVM pVM, PVMCPU pVCpu)
{
int rc = PGMR3ChangeMode(pVM, pVCpu, PGMMODE_REAL);
AssertRC(rc);
/*
* Re-init other members.
*/
pVCpu->pgm.s.fA20Enabled = true;
pVCpu->pgm.s.GCPhysA20Mask = ~((RTGCPHYS)!pVCpu->pgm.s.fA20Enabled << 20);
/*
* Clear the FFs PGM owns.
*/
VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_PGM_SYNC_CR3);
VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_PGM_SYNC_CR3_NON_GLOBAL);
}
void PGMR3Reset(PVM pVM)
{
VM_ASSERT_EMT(pVM);

58
repos/ports/src/virtualbox/sup.cc
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@ -26,6 +26,9 @@
#include <iprt/uint128.h>
#include <VBox/err.h>
/* libc memory allocator */
#include <libc_mem_alloc.h>
struct Attached_gip : Genode::Attached_ram_dataspace
{
@ -271,3 +274,58 @@ int SUPR3CallVMMR0(PVMR0 pVMR0, VMCPUID idCpu, unsigned uOperation,
("SUPR3CallVMMR0Ex: unhandled uOperation %d", uOperation));
return VERR_GENERAL_FAILURE;
}
void genode_VMMR0_DO_GVMM_CREATE_VM(PSUPVMMR0REQHDR pReqHdr)
{
GVMMCREATEVMREQ &req = reinterpret_cast<GVMMCREATEVMREQ &>(*pReqHdr);
size_t const cCpus = req.cCpus;
/*
* Allocate and initialize VM struct
*
* The VM struct is followed by the variable-sizedA array of VMCPU
* objects. 'RT_UOFFSETOF' is used to determine the size including
* the VMCPU array.
*
* VM struct must be page-aligned, which is checked at least in
* PDMR3CritSectGetNop().
*/
size_t const cbVM = RT_UOFFSETOF(VM, aCpus[cCpus]);
VM *pVM = (VM *)Libc::mem_alloc()->alloc(cbVM, Genode::log2(PAGE_SIZE));
Genode::memset(pVM, 0, cbVM);
/*
* On Genode, VMMR0 and VMMR3 share a single address space. Hence, the
* same pVM pointer is valid as pVMR0 and pVMR3.
*/
pVM->enmVMState = VMSTATE_CREATING;
pVM->pVMR0 = (RTHCUINTPTR)pVM;
pVM->pVMRC = (RTGCUINTPTR)pVM;
pVM->pSession = req.pSession;
pVM->cbSelf = cbVM;
pVM->cCpus = cCpus;
pVM->uCpuExecutionCap = 100; /* expected by 'vmR3CreateU()' */
pVM->offVMCPU = RT_UOFFSETOF(VM, aCpus);
for (uint32_t i = 0; i < cCpus; i++) {
pVM->aCpus[i].pVMR0 = pVM->pVMR0;
pVM->aCpus[i].pVMR3 = pVM;
pVM->aCpus[i].idHostCpu = NIL_RTCPUID;
pVM->aCpus[i].hNativeThreadR0 = NIL_RTNATIVETHREAD;
}
pVM->aCpus[0].hNativeThreadR0 = RTThreadNativeSelf();
/* out parameters of the request */
req.pVMR0 = pVM->pVMR0;
req.pVMR3 = pVM;
}
void genode_VMMR0_DO_GVMM_REGISTER_VMCPU(PVMR0 pVMR0, VMCPUID idCpu)
{
PVM pVM = reinterpret_cast<PVM>(pVMR0);
pVM->aCpus[idCpu].hNativeThreadR0 = RTThreadNativeSelf();
}

57
repos/ports/src/virtualbox/sup.h
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@ -16,17 +16,12 @@
/* Genode includes */
#include <cpu_session/cpu_session.h>
#include "util/misc_math.h"
#include "util/string.h"
/* VirtualBox includes */
#include <VBox/vmm/vm.h>
#include <VBox/vmm/gvmm.h>
#include <iprt/param.h>
/* libc memory allocator */
#include <libc_mem_alloc.h>
/**
* Returns true if a vCPU could be started. If false we run without
* hardware acceleration support.
@ -35,57 +30,15 @@ bool create_emt_vcpu(pthread_t * pthread, size_t stack,
const pthread_attr_t *attr,
void *(*start_routine)(void *), void *arg,
Genode::Cpu_session * cpu_session,
Genode::Affinity::Location location);
Genode::Affinity::Location location,
unsigned int cpu_id);
uint64_t genode_cpu_hz();
void inline genode_VMMR0_DO_GVMM_CREATE_VM(PSUPVMMR0REQHDR pReqHdr)
{
GVMMCREATEVMREQ &req = reinterpret_cast<GVMMCREATEVMREQ &>(*pReqHdr);
size_t const cCpus = req.cCpus;
/*
* Allocate and initialize VM struct
*
* The VM struct is followed by the variable-sizedA array of VMCPU
* objects. 'RT_UOFFSETOF' is used to determine the size including
* the VMCPU array.
*
* VM struct must be page-aligned, which is checked at least in
* PDMR3CritSectGetNop().
*/
size_t const cbVM = RT_UOFFSETOF(VM, aCpus[cCpus]);
VM *pVM = (VM *)Libc::mem_alloc()->alloc(cbVM, Genode::log2(PAGE_SIZE));
Genode::memset(pVM, 0, cbVM);
/*
* On Genode, VMMR0 and VMMR3 share a single address space. Hence, the
* same pVM pointer is valid as pVMR0 and pVMR3.
*/
pVM->enmVMState = VMSTATE_CREATING;
pVM->pVMR0 = (RTHCUINTPTR)pVM;
pVM->pVMRC = (RTGCUINTPTR)pVM;
pVM->pSession = req.pSession;
pVM->cbSelf = cbVM;
pVM->cCpus = cCpus;
pVM->uCpuExecutionCap = 100; /* expected by 'vmR3CreateU()' */
pVM->offVMCPU = RT_UOFFSETOF(VM, aCpus);
for (uint32_t i = 0; i < cCpus; i++) {
pVM->aCpus[i].pVMR0 = pVM->pVMR0;
pVM->aCpus[i].pVMR3 = pVM;
pVM->aCpus[i].idHostCpu = NIL_RTCPUID;
pVM->aCpus[i].hNativeThreadR0 = NIL_RTNATIVETHREAD;
}
/* out parameters of the request */
req.pVMR0 = pVM->pVMR0;
req.pVMR3 = pVM;
}
Genode::Cpu_session * get_vcpu_cpu_session();
void genode_VMMR0_DO_GVMM_CREATE_VM(PSUPVMMR0REQHDR pReqHdr);
void genode_VMMR0_DO_GVMM_REGISTER_VMCPU(PVMR0 pVMR0, VMCPUID idCpu);
#endif /* _SUP_H_ */

16
repos/ports/src/virtualbox/thread.cc
View File

@ -25,6 +25,8 @@
/* libc */
#include <pthread.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
/* vbox */
#include <internal/thread.h>
@ -51,7 +53,7 @@ static Genode::Cpu_connection * cpu_connection(RTTHREADTYPE type) {
char * data = new (env()->heap()) char[16];
snprintf(data, 16, "vbox %u", type);
Genode::snprintf(data, 16, "vbox %u", type);
con[type - 1] = new (env()->heap()) Cpu_connection(data, prio);
@ -77,14 +79,20 @@ static int create_thread(pthread_t *thread, const pthread_attr_t *attr,
stack_size);
/* sanity check - emt and vcpu thread have to have same prio class */
if (!Genode::strcmp(rtthread->szName, "EMT"))
if (strstr(rtthread->szName, "EMT") == rtthread->szName)
Assert(rtthread->enmType == RTTHREADTYPE_EMULATION);
if (rtthread->enmType == RTTHREADTYPE_EMULATION) {
unsigned int cpu_id = 0;
sscanf(rtthread->szName, "EMT-%u", &cpu_id);
Genode::Cpu_session * cpu_session = cpu_connection(RTTHREADTYPE_EMULATION);
Genode::Affinity::Location location;
Genode::Affinity::Space space = cpu_session->affinity_space();
Genode::Affinity::Location location(space.location_of_index(cpu_id));
if (create_emt_vcpu(thread, stack_size, attr, start_routine, arg,
cpu_session, location))
cpu_session, location, cpu_id))
return 0;
/*
* The virtualization layer had no need to setup the EMT

1
repos/ports/src/virtualbox/unimpl.cc
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@ -79,7 +79,6 @@ DUMMY(PGMR3LockCall)
DUMMY(PGMR3PoolGrow)
DUMMY(PGMR3QueryGlobalMemoryStats)
DUMMY(PGMR3QueryMemoryStats)
DUMMY(PGMR3ResetCpu)
DUMMY(PGMR3PhysAllocateHandyPages)
DUMMY(PGMR3PhysAllocateLargeHandyPage)