*
* Authors: Hollis Blanchard <hollisb@us.ibm.com>
* Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
+ * Scott Wood <scottwood@freescale.com>
+ * Varun Sethi <varun.sethi@freescale.com>
*/
#include <linux/errno.h>
#include <asm/cputable.h>
#include <asm/uaccess.h>
#include <asm/kvm_ppc.h>
-#include "timing.h"
#include <asm/cacheflush.h>
+#include <asm/dbell.h>
+#include <asm/hw_irq.h>
+#include <asm/irq.h>
+#include "timing.h"
#include "booke.h"
unsigned long kvmppc_booke_handlers;
{ "dec", VCPU_STAT(dec_exits) },
{ "ext_intr", VCPU_STAT(ext_intr_exits) },
{ "halt_wakeup", VCPU_STAT(halt_wakeup) },
+ { "doorbell", VCPU_STAT(dbell_exits) },
+ { "guest doorbell", VCPU_STAT(gdbell_exits) },
{ NULL }
};
{
u32 old_msr = vcpu->arch.shared->msr;
+#ifdef CONFIG_KVM_BOOKE_HV
+ new_msr |= MSR_GS;
+#endif
+
vcpu->arch.shared->msr = new_msr;
kvmppc_mmu_msr_notify(vcpu, old_msr);
-
- if (vcpu->arch.shared->msr & MSR_WE) {
- kvm_vcpu_block(vcpu);
- kvmppc_set_exit_type(vcpu, EMULATED_MTMSRWE_EXITS);
- };
-
kvmppc_vcpu_sync_spe(vcpu);
}
clear_bit(BOOKE_IRQPRIO_EXTERNAL_LEVEL, &vcpu->arch.pending_exceptions);
}
+static void set_guest_srr(struct kvm_vcpu *vcpu, unsigned long srr0, u32 srr1)
+{
+#ifdef CONFIG_KVM_BOOKE_HV
+ mtspr(SPRN_GSRR0, srr0);
+ mtspr(SPRN_GSRR1, srr1);
+#else
+ vcpu->arch.shared->srr0 = srr0;
+ vcpu->arch.shared->srr1 = srr1;
+#endif
+}
+
+static void set_guest_csrr(struct kvm_vcpu *vcpu, unsigned long srr0, u32 srr1)
+{
+ vcpu->arch.csrr0 = srr0;
+ vcpu->arch.csrr1 = srr1;
+}
+
+static void set_guest_dsrr(struct kvm_vcpu *vcpu, unsigned long srr0, u32 srr1)
+{
+ if (cpu_has_feature(CPU_FTR_DEBUG_LVL_EXC)) {
+ vcpu->arch.dsrr0 = srr0;
+ vcpu->arch.dsrr1 = srr1;
+ } else {
+ set_guest_csrr(vcpu, srr0, srr1);
+ }
+}
+
+static void set_guest_mcsrr(struct kvm_vcpu *vcpu, unsigned long srr0, u32 srr1)
+{
+ vcpu->arch.mcsrr0 = srr0;
+ vcpu->arch.mcsrr1 = srr1;
+}
+
+static unsigned long get_guest_dear(struct kvm_vcpu *vcpu)
+{
+#ifdef CONFIG_KVM_BOOKE_HV
+ return mfspr(SPRN_GDEAR);
+#else
+ return vcpu->arch.shared->dar;
+#endif
+}
+
+static void set_guest_dear(struct kvm_vcpu *vcpu, unsigned long dear)
+{
+#ifdef CONFIG_KVM_BOOKE_HV
+ mtspr(SPRN_GDEAR, dear);
+#else
+ vcpu->arch.shared->dar = dear;
+#endif
+}
+
+static unsigned long get_guest_esr(struct kvm_vcpu *vcpu)
+{
+#ifdef CONFIG_KVM_BOOKE_HV
+ return mfspr(SPRN_GESR);
+#else
+ return vcpu->arch.shared->esr;
+#endif
+}
+
+static void set_guest_esr(struct kvm_vcpu *vcpu, u32 esr)
+{
+#ifdef CONFIG_KVM_BOOKE_HV
+ mtspr(SPRN_GESR, esr);
+#else
+ vcpu->arch.shared->esr = esr;
+#endif
+}
+
/* Deliver the interrupt of the corresponding priority, if possible. */
static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu,
unsigned int priority)
ulong crit_r1 = kvmppc_get_gpr(vcpu, 1);
bool crit;
bool keep_irq = false;
+ enum int_class int_class;
/* Truncate crit indicators in 32 bit mode */
if (!(vcpu->arch.shared->msr & MSR_SF)) {
case BOOKE_IRQPRIO_AP_UNAVAIL:
case BOOKE_IRQPRIO_ALIGNMENT:
allowed = 1;
- msr_mask = MSR_CE|MSR_ME|MSR_DE;
+ msr_mask = MSR_GS | MSR_CE | MSR_ME | MSR_DE;
+ int_class = INT_CLASS_NONCRIT;
break;
case BOOKE_IRQPRIO_CRITICAL:
- case BOOKE_IRQPRIO_WATCHDOG:
allowed = vcpu->arch.shared->msr & MSR_CE;
- msr_mask = MSR_ME;
+ allowed = allowed && !crit;
+ msr_mask = MSR_GS | MSR_ME;
+ int_class = INT_CLASS_CRIT;
break;
case BOOKE_IRQPRIO_MACHINE_CHECK:
allowed = vcpu->arch.shared->msr & MSR_ME;
- msr_mask = 0;
+ allowed = allowed && !crit;
+ msr_mask = MSR_GS;
+ int_class = INT_CLASS_MC;
break;
- case BOOKE_IRQPRIO_EXTERNAL:
case BOOKE_IRQPRIO_DECREMENTER:
case BOOKE_IRQPRIO_FIT:
+ keep_irq = true;
+ /* fall through */
+ case BOOKE_IRQPRIO_EXTERNAL:
allowed = vcpu->arch.shared->msr & MSR_EE;
allowed = allowed && !crit;
- msr_mask = MSR_CE|MSR_ME|MSR_DE;
+ msr_mask = MSR_GS | MSR_CE | MSR_ME | MSR_DE;
+ int_class = INT_CLASS_NONCRIT;
break;
case BOOKE_IRQPRIO_DEBUG:
allowed = vcpu->arch.shared->msr & MSR_DE;
- msr_mask = MSR_ME;
+ allowed = allowed && !crit;
+ msr_mask = MSR_GS | MSR_ME;
+ int_class = INT_CLASS_CRIT;
break;
}
if (allowed) {
- vcpu->arch.shared->srr0 = vcpu->arch.pc;
- vcpu->arch.shared->srr1 = vcpu->arch.shared->msr;
+ switch (int_class) {
+ case INT_CLASS_NONCRIT:
+ set_guest_srr(vcpu, vcpu->arch.pc,
+ vcpu->arch.shared->msr);
+ break;
+ case INT_CLASS_CRIT:
+ set_guest_csrr(vcpu, vcpu->arch.pc,
+ vcpu->arch.shared->msr);
+ break;
+ case INT_CLASS_DBG:
+ set_guest_dsrr(vcpu, vcpu->arch.pc,
+ vcpu->arch.shared->msr);
+ break;
+ case INT_CLASS_MC:
+ set_guest_mcsrr(vcpu, vcpu->arch.pc,
+ vcpu->arch.shared->msr);
+ break;
+ }
+
vcpu->arch.pc = vcpu->arch.ivpr | vcpu->arch.ivor[priority];
if (update_esr == true)
- vcpu->arch.esr = vcpu->arch.queued_esr;
+ set_guest_esr(vcpu, vcpu->arch.queued_esr);
if (update_dear == true)
- vcpu->arch.shared->dar = vcpu->arch.queued_dear;
+ set_guest_dear(vcpu, vcpu->arch.queued_dear);
kvmppc_set_msr(vcpu, vcpu->arch.shared->msr & msr_mask);
if (!keep_irq)
clear_bit(priority, &vcpu->arch.pending_exceptions);
}
+#ifdef CONFIG_KVM_BOOKE_HV
+ /*
+ * If an interrupt is pending but masked, raise a guest doorbell
+ * so that we are notified when the guest enables the relevant
+ * MSR bit.
+ */
+ if (vcpu->arch.pending_exceptions & BOOKE_IRQMASK_EE)
+ kvmppc_set_pending_interrupt(vcpu, INT_CLASS_NONCRIT);
+ if (vcpu->arch.pending_exceptions & BOOKE_IRQMASK_CE)
+ kvmppc_set_pending_interrupt(vcpu, INT_CLASS_CRIT);
+ if (vcpu->arch.pending_exceptions & BOOKE_IRQPRIO_MACHINE_CHECK)
+ kvmppc_set_pending_interrupt(vcpu, INT_CLASS_MC);
+#endif
+
return allowed;
}
-/* Check pending exceptions and deliver one, if possible. */
-void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu)
+static void update_timer_ints(struct kvm_vcpu *vcpu)
+{
+ if ((vcpu->arch.tcr & TCR_DIE) && (vcpu->arch.tsr & TSR_DIS))
+ kvmppc_core_queue_dec(vcpu);
+ else
+ kvmppc_core_dequeue_dec(vcpu);
+}
+
+static void kvmppc_core_check_exceptions(struct kvm_vcpu *vcpu)
{
unsigned long *pending = &vcpu->arch.pending_exceptions;
- unsigned long old_pending = vcpu->arch.pending_exceptions;
unsigned int priority;
+ if (vcpu->requests) {
+ if (kvm_check_request(KVM_REQ_PENDING_TIMER, vcpu)) {
+ smp_mb();
+ update_timer_ints(vcpu);
+ }
+ }
+
priority = __ffs(*pending);
while (priority <= BOOKE_IRQPRIO_MAX) {
if (kvmppc_booke_irqprio_deliver(vcpu, priority))
}
/* Tell the guest about our interrupt status */
- if (*pending)
- vcpu->arch.shared->int_pending = 1;
- else if (old_pending)
- vcpu->arch.shared->int_pending = 0;
+ vcpu->arch.shared->int_pending = !!*pending;
+}
+
+/* Check pending exceptions and deliver one, if possible. */
+void kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu)
+{
+ WARN_ON_ONCE(!irqs_disabled());
+
+ kvmppc_core_check_exceptions(vcpu);
+
+ if (vcpu->arch.shared->msr & MSR_WE) {
+ local_irq_enable();
+ kvm_vcpu_block(vcpu);
+ local_irq_disable();
+
+ kvmppc_set_exit_type(vcpu, EMULATED_MTMSRWE_EXITS);
+ kvmppc_core_check_exceptions(vcpu);
+ };
}
int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
return -EINVAL;
}
+ if (!current->thread.kvm_vcpu) {
+ WARN(1, "no vcpu\n");
+ return -EPERM;
+ }
+
local_irq_disable();
+
+ kvmppc_core_prepare_to_enter(vcpu);
+
+ if (signal_pending(current)) {
+ kvm_run->exit_reason = KVM_EXIT_INTR;
+ ret = -EINTR;
+ goto out;
+ }
+
kvm_guest_enter();
ret = __kvmppc_vcpu_run(kvm_run, vcpu);
kvm_guest_exit();
- local_irq_enable();
+out:
+ local_irq_enable();
return ret;
}
+static int emulation_exit(struct kvm_run *run, struct kvm_vcpu *vcpu)
+{
+ enum emulation_result er;
+
+ er = kvmppc_emulate_instruction(run, vcpu);
+ switch (er) {
+ case EMULATE_DONE:
+ /* don't overwrite subtypes, just account kvm_stats */
+ kvmppc_account_exit_stat(vcpu, EMULATED_INST_EXITS);
+ /* Future optimization: only reload non-volatiles if
+ * they were actually modified by emulation. */
+ return RESUME_GUEST_NV;
+
+ case EMULATE_DO_DCR:
+ run->exit_reason = KVM_EXIT_DCR;
+ return RESUME_HOST;
+
+ case EMULATE_FAIL:
+ /* XXX Deliver Program interrupt to guest. */
+ printk(KERN_CRIT "%s: emulation at %lx failed (%08x)\n",
+ __func__, vcpu->arch.pc, vcpu->arch.last_inst);
+ /* For debugging, encode the failing instruction and
+ * report it to userspace. */
+ run->hw.hardware_exit_reason = ~0ULL << 32;
+ run->hw.hardware_exit_reason |= vcpu->arch.last_inst;
+ return RESUME_HOST;
+
+ default:
+ BUG();
+ }
+}
+
/**
* kvmppc_handle_exit
*
int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int exit_nr)
{
- enum emulation_result er;
int r = RESUME_HOST;
/* update before a new last_exit_type is rewritten */
kvmppc_update_timing_stats(vcpu);
+ switch (exit_nr) {
+ case BOOKE_INTERRUPT_EXTERNAL:
+ do_IRQ(current->thread.regs);
+ break;
+
+ case BOOKE_INTERRUPT_DECREMENTER:
+ timer_interrupt(current->thread.regs);
+ break;
+
+#if defined(CONFIG_PPC_FSL_BOOK3E) || defined(CONFIG_PPC_BOOK3E_64)
+ case BOOKE_INTERRUPT_DOORBELL:
+ doorbell_exception(current->thread.regs);
+ break;
+#endif
+ case BOOKE_INTERRUPT_MACHINE_CHECK:
+ /* FIXME */
+ break;
+ }
+
local_irq_enable();
run->exit_reason = KVM_EXIT_UNKNOWN;
switch (exit_nr) {
case BOOKE_INTERRUPT_MACHINE_CHECK:
- printk("MACHINE CHECK: %lx\n", mfspr(SPRN_MCSR));
- kvmppc_dump_vcpu(vcpu);
- r = RESUME_HOST;
+ kvm_resched(vcpu);
+ r = RESUME_GUEST;
break;
case BOOKE_INTERRUPT_EXTERNAL:
kvmppc_account_exit(vcpu, EXT_INTR_EXITS);
- if (need_resched())
- cond_resched();
+ kvm_resched(vcpu);
r = RESUME_GUEST;
break;
case BOOKE_INTERRUPT_DECREMENTER:
- /* Since we switched IVPR back to the host's value, the host
- * handled this interrupt the moment we enabled interrupts.
- * Now we just offer it a chance to reschedule the guest. */
kvmppc_account_exit(vcpu, DEC_EXITS);
- if (need_resched())
- cond_resched();
+ kvm_resched(vcpu);
r = RESUME_GUEST;
break;
+ case BOOKE_INTERRUPT_DOORBELL:
+ kvmppc_account_exit(vcpu, DBELL_EXITS);
+ kvm_resched(vcpu);
+ r = RESUME_GUEST;
+ break;
+
+ case BOOKE_INTERRUPT_GUEST_DBELL_CRIT:
+ kvmppc_account_exit(vcpu, GDBELL_EXITS);
+
+ /*
+ * We are here because there is a pending guest interrupt
+ * which could not be delivered as MSR_CE or MSR_ME was not
+ * set. Once we break from here we will retry delivery.
+ */
+ r = RESUME_GUEST;
+ break;
+
+ case BOOKE_INTERRUPT_GUEST_DBELL:
+ kvmppc_account_exit(vcpu, GDBELL_EXITS);
+
+ /*
+ * We are here because there is a pending guest interrupt
+ * which could not be delivered as MSR_EE was not set. Once
+ * we break from here we will retry delivery.
+ */
+ r = RESUME_GUEST;
+ break;
+
+ case BOOKE_INTERRUPT_HV_PRIV:
+ r = emulation_exit(run, vcpu);
+ break;
+
case BOOKE_INTERRUPT_PROGRAM:
- if (vcpu->arch.shared->msr & MSR_PR) {
+ if (vcpu->arch.shared->msr & (MSR_PR | MSR_GS)) {
/* Program traps generated by user-level software must be handled
* by the guest kernel. */
kvmppc_core_queue_program(vcpu, vcpu->arch.fault_esr);
break;
}
- er = kvmppc_emulate_instruction(run, vcpu);
- switch (er) {
- case EMULATE_DONE:
- /* don't overwrite subtypes, just account kvm_stats */
- kvmppc_account_exit_stat(vcpu, EMULATED_INST_EXITS);
- /* Future optimization: only reload non-volatiles if
- * they were actually modified by emulation. */
- r = RESUME_GUEST_NV;
- break;
- case EMULATE_DO_DCR:
- run->exit_reason = KVM_EXIT_DCR;
- r = RESUME_HOST;
- break;
- case EMULATE_FAIL:
- /* XXX Deliver Program interrupt to guest. */
- printk(KERN_CRIT "%s: emulation at %lx failed (%08x)\n",
- __func__, vcpu->arch.pc, vcpu->arch.last_inst);
- /* For debugging, encode the failing instruction and
- * report it to userspace. */
- run->hw.hardware_exit_reason = ~0ULL << 32;
- run->hw.hardware_exit_reason |= vcpu->arch.last_inst;
- r = RESUME_HOST;
- break;
- default:
- BUG();
- }
+ r = emulation_exit(run, vcpu);
break;
case BOOKE_INTERRUPT_FP_UNAVAIL:
r = RESUME_GUEST;
break;
+#ifdef CONFIG_KVM_BOOKE_HV
+ case BOOKE_INTERRUPT_HV_SYSCALL:
+ if (!(vcpu->arch.shared->msr & MSR_PR)) {
+ kvmppc_set_gpr(vcpu, 3, kvmppc_kvm_pv(vcpu));
+ } else {
+ /*
+ * hcall from guest userspace -- send privileged
+ * instruction program check.
+ */
+ kvmppc_core_queue_program(vcpu, ESR_PPR);
+ }
+
+ r = RESUME_GUEST;
+ break;
+#else
case BOOKE_INTERRUPT_SYSCALL:
if (!(vcpu->arch.shared->msr & MSR_PR) &&
(((u32)kvmppc_get_gpr(vcpu, 0)) == KVM_SC_MAGIC_R0)) {
kvmppc_account_exit(vcpu, SYSCALL_EXITS);
r = RESUME_GUEST;
break;
+#endif
case BOOKE_INTERRUPT_DTLB_MISS: {
unsigned long eaddr = vcpu->arch.fault_dear;
local_irq_disable();
- kvmppc_core_deliver_interrupts(vcpu);
+ kvmppc_core_prepare_to_enter(vcpu);
if (!(r & RESUME_HOST)) {
/* To avoid clobbering exit_reason, only check for signals if
int r;
vcpu->arch.pc = 0;
- vcpu->arch.shared->msr = 0;
- vcpu->arch.shadow_msr = MSR_USER | MSR_DE | MSR_IS | MSR_DS;
+ vcpu->arch.shared->pir = vcpu->vcpu_id;
kvmppc_set_gpr(vcpu, 1, (16<<20) - 8); /* -8 for the callee-save LR slot */
+ kvmppc_set_msr(vcpu, 0);
+#ifndef CONFIG_KVM_BOOKE_HV
+ vcpu->arch.shadow_msr = MSR_USER | MSR_DE | MSR_IS | MSR_DS;
vcpu->arch.shadow_pid = 1;
+ vcpu->arch.shared->msr = 0;
+#endif
/* Eye-catching numbers so we know if the guest takes an interrupt
* before it's programmed its own IVPR/IVORs. */
regs->sprg1 = vcpu->arch.shared->sprg1;
regs->sprg2 = vcpu->arch.shared->sprg2;
regs->sprg3 = vcpu->arch.shared->sprg3;
- regs->sprg4 = vcpu->arch.sprg4;
- regs->sprg5 = vcpu->arch.sprg5;
- regs->sprg6 = vcpu->arch.sprg6;
- regs->sprg7 = vcpu->arch.sprg7;
+ regs->sprg4 = vcpu->arch.shared->sprg4;
+ regs->sprg5 = vcpu->arch.shared->sprg5;
+ regs->sprg6 = vcpu->arch.shared->sprg6;
+ regs->sprg7 = vcpu->arch.shared->sprg7;
for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
regs->gpr[i] = kvmppc_get_gpr(vcpu, i);
vcpu->arch.shared->sprg1 = regs->sprg1;
vcpu->arch.shared->sprg2 = regs->sprg2;
vcpu->arch.shared->sprg3 = regs->sprg3;
- vcpu->arch.sprg4 = regs->sprg4;
- vcpu->arch.sprg5 = regs->sprg5;
- vcpu->arch.sprg6 = regs->sprg6;
- vcpu->arch.sprg7 = regs->sprg7;
+ vcpu->arch.shared->sprg4 = regs->sprg4;
+ vcpu->arch.shared->sprg5 = regs->sprg5;
+ vcpu->arch.shared->sprg6 = regs->sprg6;
+ vcpu->arch.shared->sprg7 = regs->sprg7;
for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
kvmppc_set_gpr(vcpu, i, regs->gpr[i]);
sregs->u.e.csrr0 = vcpu->arch.csrr0;
sregs->u.e.csrr1 = vcpu->arch.csrr1;
sregs->u.e.mcsr = vcpu->arch.mcsr;
- sregs->u.e.esr = vcpu->arch.esr;
- sregs->u.e.dear = vcpu->arch.shared->dar;
+ sregs->u.e.esr = get_guest_esr(vcpu);
+ sregs->u.e.dear = get_guest_dear(vcpu);
sregs->u.e.tsr = vcpu->arch.tsr;
sregs->u.e.tcr = vcpu->arch.tcr;
sregs->u.e.dec = kvmppc_get_dec(vcpu, tb);
vcpu->arch.csrr0 = sregs->u.e.csrr0;
vcpu->arch.csrr1 = sregs->u.e.csrr1;
vcpu->arch.mcsr = sregs->u.e.mcsr;
- vcpu->arch.esr = sregs->u.e.esr;
- vcpu->arch.shared->dar = sregs->u.e.dear;
+ set_guest_esr(vcpu, sregs->u.e.esr);
+ set_guest_dear(vcpu, sregs->u.e.dear);
vcpu->arch.vrsave = sregs->u.e.vrsave;
- vcpu->arch.tcr = sregs->u.e.tcr;
+ kvmppc_set_tcr(vcpu, sregs->u.e.tcr);
- if (sregs->u.e.update_special & KVM_SREGS_E_UPDATE_DEC)
+ if (sregs->u.e.update_special & KVM_SREGS_E_UPDATE_DEC) {
vcpu->arch.dec = sregs->u.e.dec;
-
- kvmppc_emulate_dec(vcpu);
+ kvmppc_emulate_dec(vcpu);
+ }
if (sregs->u.e.update_special & KVM_SREGS_E_UPDATE_TSR) {
- /*
- * FIXME: existing KVM timer handling is incomplete.
- * TSR cannot be read by the guest, and its value in
- * vcpu->arch is always zero. For now, just handle
- * the case where the caller is trying to inject a
- * decrementer interrupt.
- */
-
- if ((sregs->u.e.tsr & TSR_DIS) &&
- (vcpu->arch.tcr & TCR_DIE))
- kvmppc_core_queue_dec(vcpu);
+ vcpu->arch.tsr = sregs->u.e.tsr;
+ update_timer_ints(vcpu);
}
return 0;
{
sregs->u.e.features |= KVM_SREGS_E_ARCH206;
- sregs->u.e.pir = 0;
+ sregs->u.e.pir = vcpu->vcpu_id;
sregs->u.e.mcsrr0 = vcpu->arch.mcsrr0;
sregs->u.e.mcsrr1 = vcpu->arch.mcsrr1;
sregs->u.e.decar = vcpu->arch.decar;
if (!(sregs->u.e.features & KVM_SREGS_E_ARCH206))
return 0;
- if (sregs->u.e.pir != 0)
+ if (sregs->u.e.pir != vcpu->vcpu_id)
return -EINVAL;
vcpu->arch.mcsrr0 = sregs->u.e.mcsrr0;
return kvmppc_core_set_sregs(vcpu, sregs);
}
+int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
+{
+ return -EINVAL;
+}
+
+int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
+{
+ return -EINVAL;
+}
+
int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
{
return -ENOTSUPP;
{
}
-int kvmppc_core_init_vm(struct kvm *kvm)
+void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr)
{
- return 0;
+ vcpu->arch.tcr = new_tcr;
+ update_timer_ints(vcpu);
}
-void kvmppc_core_destroy_vm(struct kvm *kvm)
+void kvmppc_set_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits)
{
+ set_bits(tsr_bits, &vcpu->arch.tsr);
+ smp_wmb();
+ kvm_make_request(KVM_REQ_PENDING_TIMER, vcpu);
+ kvm_vcpu_kick(vcpu);
+}
+
+void kvmppc_clr_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits)
+{
+ clear_bits(tsr_bits, &vcpu->arch.tsr);
+ update_timer_ints(vcpu);
+}
+
+void kvmppc_decrementer_func(unsigned long data)
+{
+ struct kvm_vcpu *vcpu = (struct kvm_vcpu *)data;
+
+ kvmppc_set_tsr_bits(vcpu, TSR_DIS);
+}
+
+void kvmppc_booke_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
+{
+ current->thread.kvm_vcpu = vcpu;
+}
+
+void kvmppc_booke_vcpu_put(struct kvm_vcpu *vcpu)
+{
+ current->thread.kvm_vcpu = NULL;
}
int __init kvmppc_booke_init(void)
{
+#ifndef CONFIG_KVM_BOOKE_HV
unsigned long ivor[16];
unsigned long max_ivor = 0;
int i;
}
flush_icache_range(kvmppc_booke_handlers,
kvmppc_booke_handlers + max_ivor + kvmppc_handler_len);
-
+#endif /* !BOOKE_HV */
return 0;
}
projects / ~andy / linux / blobdiff