#include <linux/errno.h>
#include <linux/err.h>
#include <linux/kvm_host.h>
+#include <linux/gfp.h>
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <linux/fs.h>
+
#include <asm/cputable.h>
#include <asm/uaccess.h>
#include <asm/kvm_ppc.h>
+#include "timing.h"
#include <asm/cacheflush.h>
#include "booke.h"
-#include "44x_tlb.h"
unsigned long kvmppc_booke_handlers;
#define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU
struct kvm_stats_debugfs_item debugfs_entries[] = {
- { "exits", VCPU_STAT(sum_exits) },
{ "mmio", VCPU_STAT(mmio_exits) },
{ "dcr", VCPU_STAT(dcr_exits) },
{ "sig", VCPU_STAT(signal_exits) },
- { "light", VCPU_STAT(light_exits) },
{ "itlb_r", VCPU_STAT(itlb_real_miss_exits) },
{ "itlb_v", VCPU_STAT(itlb_virt_miss_exits) },
{ "dtlb_r", VCPU_STAT(dtlb_real_miss_exits) },
{ NULL }
};
-static const u32 interrupt_msr_mask[16] = {
- [BOOKE_INTERRUPT_CRITICAL] = MSR_ME,
- [BOOKE_INTERRUPT_MACHINE_CHECK] = 0,
- [BOOKE_INTERRUPT_DATA_STORAGE] = MSR_CE|MSR_ME|MSR_DE,
- [BOOKE_INTERRUPT_INST_STORAGE] = MSR_CE|MSR_ME|MSR_DE,
- [BOOKE_INTERRUPT_EXTERNAL] = MSR_CE|MSR_ME|MSR_DE,
- [BOOKE_INTERRUPT_ALIGNMENT] = MSR_CE|MSR_ME|MSR_DE,
- [BOOKE_INTERRUPT_PROGRAM] = MSR_CE|MSR_ME|MSR_DE,
- [BOOKE_INTERRUPT_FP_UNAVAIL] = MSR_CE|MSR_ME|MSR_DE,
- [BOOKE_INTERRUPT_SYSCALL] = MSR_CE|MSR_ME|MSR_DE,
- [BOOKE_INTERRUPT_AP_UNAVAIL] = MSR_CE|MSR_ME|MSR_DE,
- [BOOKE_INTERRUPT_DECREMENTER] = MSR_CE|MSR_ME|MSR_DE,
- [BOOKE_INTERRUPT_FIT] = MSR_CE|MSR_ME|MSR_DE,
- [BOOKE_INTERRUPT_WATCHDOG] = MSR_ME,
- [BOOKE_INTERRUPT_DTLB_MISS] = MSR_CE|MSR_ME|MSR_DE,
- [BOOKE_INTERRUPT_ITLB_MISS] = MSR_CE|MSR_ME|MSR_DE,
- [BOOKE_INTERRUPT_DEBUG] = MSR_ME,
-};
-
-const unsigned char exception_priority[] = {
- [BOOKE_INTERRUPT_DATA_STORAGE] = 0,
- [BOOKE_INTERRUPT_INST_STORAGE] = 1,
- [BOOKE_INTERRUPT_ALIGNMENT] = 2,
- [BOOKE_INTERRUPT_PROGRAM] = 3,
- [BOOKE_INTERRUPT_FP_UNAVAIL] = 4,
- [BOOKE_INTERRUPT_SYSCALL] = 5,
- [BOOKE_INTERRUPT_AP_UNAVAIL] = 6,
- [BOOKE_INTERRUPT_DTLB_MISS] = 7,
- [BOOKE_INTERRUPT_ITLB_MISS] = 8,
- [BOOKE_INTERRUPT_MACHINE_CHECK] = 9,
- [BOOKE_INTERRUPT_DEBUG] = 10,
- [BOOKE_INTERRUPT_CRITICAL] = 11,
- [BOOKE_INTERRUPT_WATCHDOG] = 12,
- [BOOKE_INTERRUPT_EXTERNAL] = 13,
- [BOOKE_INTERRUPT_FIT] = 14,
- [BOOKE_INTERRUPT_DECREMENTER] = 15,
-};
-
-const unsigned char priority_exception[] = {
- BOOKE_INTERRUPT_DATA_STORAGE,
- BOOKE_INTERRUPT_INST_STORAGE,
- BOOKE_INTERRUPT_ALIGNMENT,
- BOOKE_INTERRUPT_PROGRAM,
- BOOKE_INTERRUPT_FP_UNAVAIL,
- BOOKE_INTERRUPT_SYSCALL,
- BOOKE_INTERRUPT_AP_UNAVAIL,
- BOOKE_INTERRUPT_DTLB_MISS,
- BOOKE_INTERRUPT_ITLB_MISS,
- BOOKE_INTERRUPT_MACHINE_CHECK,
- BOOKE_INTERRUPT_DEBUG,
- BOOKE_INTERRUPT_CRITICAL,
- BOOKE_INTERRUPT_WATCHDOG,
- BOOKE_INTERRUPT_EXTERNAL,
- BOOKE_INTERRUPT_FIT,
- BOOKE_INTERRUPT_DECREMENTER,
-};
-
-
/* TODO: use vcpu_printf() */
void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu)
{
int i;
- printk("pc: %08x msr: %08x\n", vcpu->arch.pc, vcpu->arch.msr);
- printk("lr: %08x ctr: %08x\n", vcpu->arch.lr, vcpu->arch.ctr);
- printk("srr0: %08x srr1: %08x\n", vcpu->arch.srr0, vcpu->arch.srr1);
+ printk("pc: %08lx msr: %08lx\n", vcpu->arch.pc, vcpu->arch.msr);
+ printk("lr: %08lx ctr: %08lx\n", vcpu->arch.lr, vcpu->arch.ctr);
+ printk("srr0: %08lx srr1: %08lx\n", vcpu->arch.srr0, vcpu->arch.srr1);
printk("exceptions: %08lx\n", vcpu->arch.pending_exceptions);
for (i = 0; i < 32; i += 4) {
- printk("gpr%02d: %08x %08x %08x %08x\n", i,
- vcpu->arch.gpr[i],
- vcpu->arch.gpr[i+1],
- vcpu->arch.gpr[i+2],
- vcpu->arch.gpr[i+3]);
+ printk("gpr%02d: %08lx %08lx %08lx %08lx\n", i,
+ kvmppc_get_gpr(vcpu, i),
+ kvmppc_get_gpr(vcpu, i+1),
+ kvmppc_get_gpr(vcpu, i+2),
+ kvmppc_get_gpr(vcpu, i+3));
}
}
-static void kvmppc_booke_queue_exception(struct kvm_vcpu *vcpu, int exception)
+static void kvmppc_booke_queue_irqprio(struct kvm_vcpu *vcpu,
+ unsigned int priority)
{
- unsigned int priority = exception_priority[exception];
set_bit(priority, &vcpu->arch.pending_exceptions);
}
-static void kvmppc_booke_clear_exception(struct kvm_vcpu *vcpu, int exception)
+static void kvmppc_core_queue_dtlb_miss(struct kvm_vcpu *vcpu,
+ ulong dear_flags, ulong esr_flags)
{
- unsigned int priority = exception_priority[exception];
- clear_bit(priority, &vcpu->arch.pending_exceptions);
+ vcpu->arch.queued_dear = dear_flags;
+ vcpu->arch.queued_esr = esr_flags;
+ kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_DTLB_MISS);
}
-void kvmppc_core_queue_program(struct kvm_vcpu *vcpu)
+static void kvmppc_core_queue_data_storage(struct kvm_vcpu *vcpu,
+ ulong dear_flags, ulong esr_flags)
{
- kvmppc_booke_queue_exception(vcpu, BOOKE_INTERRUPT_PROGRAM);
+ vcpu->arch.queued_dear = dear_flags;
+ vcpu->arch.queued_esr = esr_flags;
+ kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_DATA_STORAGE);
+}
+
+static void kvmppc_core_queue_inst_storage(struct kvm_vcpu *vcpu,
+ ulong esr_flags)
+{
+ vcpu->arch.queued_esr = esr_flags;
+ kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_INST_STORAGE);
+}
+
+void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong esr_flags)
+{
+ vcpu->arch.queued_esr = esr_flags;
+ kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_PROGRAM);
}
void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu)
{
- kvmppc_booke_queue_exception(vcpu, BOOKE_INTERRUPT_DECREMENTER);
+ kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_DECREMENTER);
}
int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu)
{
- unsigned int priority = exception_priority[BOOKE_INTERRUPT_DECREMENTER];
- return test_bit(priority, &vcpu->arch.pending_exceptions);
+ return test_bit(BOOKE_IRQPRIO_DECREMENTER, &vcpu->arch.pending_exceptions);
+}
+
+void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu)
+{
+ clear_bit(BOOKE_IRQPRIO_DECREMENTER, &vcpu->arch.pending_exceptions);
}
void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
struct kvm_interrupt *irq)
{
- kvmppc_booke_queue_exception(vcpu, BOOKE_INTERRUPT_EXTERNAL);
+ kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_EXTERNAL);
}
-/* Check if we are ready to deliver the interrupt */
-static int kvmppc_can_deliver_interrupt(struct kvm_vcpu *vcpu, int interrupt)
+void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu,
+ struct kvm_interrupt *irq)
{
- int r;
+ clear_bit(BOOKE_IRQPRIO_EXTERNAL, &vcpu->arch.pending_exceptions);
+}
- switch (interrupt) {
- case BOOKE_INTERRUPT_CRITICAL:
- r = vcpu->arch.msr & MSR_CE;
- break;
- case BOOKE_INTERRUPT_MACHINE_CHECK:
- r = vcpu->arch.msr & MSR_ME;
- break;
- case BOOKE_INTERRUPT_EXTERNAL:
- r = vcpu->arch.msr & MSR_EE;
+/* Deliver the interrupt of the corresponding priority, if possible. */
+static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu,
+ unsigned int priority)
+{
+ int allowed = 0;
+ ulong msr_mask;
+ bool update_esr = false, update_dear = false;
+
+ switch (priority) {
+ case BOOKE_IRQPRIO_DTLB_MISS:
+ case BOOKE_IRQPRIO_DATA_STORAGE:
+ update_dear = true;
+ /* fall through */
+ case BOOKE_IRQPRIO_INST_STORAGE:
+ case BOOKE_IRQPRIO_PROGRAM:
+ update_esr = true;
+ /* fall through */
+ case BOOKE_IRQPRIO_ITLB_MISS:
+ case BOOKE_IRQPRIO_SYSCALL:
+ case BOOKE_IRQPRIO_FP_UNAVAIL:
+ case BOOKE_IRQPRIO_SPE_UNAVAIL:
+ case BOOKE_IRQPRIO_SPE_FP_DATA:
+ case BOOKE_IRQPRIO_SPE_FP_ROUND:
+ case BOOKE_IRQPRIO_AP_UNAVAIL:
+ case BOOKE_IRQPRIO_ALIGNMENT:
+ allowed = 1;
+ msr_mask = MSR_CE|MSR_ME|MSR_DE;
break;
- case BOOKE_INTERRUPT_DECREMENTER:
- r = vcpu->arch.msr & MSR_EE;
+ case BOOKE_IRQPRIO_CRITICAL:
+ case BOOKE_IRQPRIO_WATCHDOG:
+ allowed = vcpu->arch.msr & MSR_CE;
+ msr_mask = MSR_ME;
break;
- case BOOKE_INTERRUPT_FIT:
- r = vcpu->arch.msr & MSR_EE;
+ case BOOKE_IRQPRIO_MACHINE_CHECK:
+ allowed = vcpu->arch.msr & MSR_ME;
+ msr_mask = 0;
break;
- case BOOKE_INTERRUPT_WATCHDOG:
- r = vcpu->arch.msr & MSR_CE;
+ case BOOKE_IRQPRIO_EXTERNAL:
+ case BOOKE_IRQPRIO_DECREMENTER:
+ case BOOKE_IRQPRIO_FIT:
+ allowed = vcpu->arch.msr & MSR_EE;
+ msr_mask = MSR_CE|MSR_ME|MSR_DE;
break;
- case BOOKE_INTERRUPT_DEBUG:
- r = vcpu->arch.msr & MSR_DE;
+ case BOOKE_IRQPRIO_DEBUG:
+ allowed = vcpu->arch.msr & MSR_DE;
+ msr_mask = MSR_ME;
break;
- default:
- r = 1;
}
- return r;
-}
-
-static void kvmppc_booke_deliver_interrupt(struct kvm_vcpu *vcpu, int interrupt)
-{
- switch (interrupt) {
- case BOOKE_INTERRUPT_DECREMENTER:
- vcpu->arch.tsr |= TSR_DIS;
- break;
+ if (allowed) {
+ vcpu->arch.srr0 = vcpu->arch.pc;
+ vcpu->arch.srr1 = vcpu->arch.msr;
+ vcpu->arch.pc = vcpu->arch.ivpr | vcpu->arch.ivor[priority];
+ if (update_esr == true)
+ vcpu->arch.esr = vcpu->arch.queued_esr;
+ if (update_dear == true)
+ vcpu->arch.dear = vcpu->arch.queued_dear;
+ kvmppc_set_msr(vcpu, vcpu->arch.msr & msr_mask);
+
+ clear_bit(priority, &vcpu->arch.pending_exceptions);
}
- vcpu->arch.srr0 = vcpu->arch.pc;
- vcpu->arch.srr1 = vcpu->arch.msr;
- vcpu->arch.pc = vcpu->arch.ivpr | vcpu->arch.ivor[interrupt];
- kvmppc_set_msr(vcpu, vcpu->arch.msr & interrupt_msr_mask[interrupt]);
+ return allowed;
}
/* Check pending exceptions and deliver one, if possible. */
void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu)
{
unsigned long *pending = &vcpu->arch.pending_exceptions;
- unsigned int exception;
unsigned int priority;
- priority = find_first_bit(pending, BITS_PER_BYTE * sizeof(*pending));
- while (priority <= BOOKE_MAX_INTERRUPT) {
- exception = priority_exception[priority];
- if (kvmppc_can_deliver_interrupt(vcpu, exception)) {
- kvmppc_booke_clear_exception(vcpu, exception);
- kvmppc_booke_deliver_interrupt(vcpu, exception);
+ priority = __ffs(*pending);
+ while (priority <= BOOKE_IRQPRIO_MAX) {
+ if (kvmppc_booke_irqprio_deliver(vcpu, priority))
break;
- }
priority = find_next_bit(pending,
BITS_PER_BYTE * sizeof(*pending),
enum emulation_result er;
int r = RESUME_HOST;
+ /* update before a new last_exit_type is rewritten */
+ kvmppc_update_timing_stats(vcpu);
+
local_irq_enable();
run->exit_reason = KVM_EXIT_UNKNOWN;
break;
case BOOKE_INTERRUPT_EXTERNAL:
+ kvmppc_account_exit(vcpu, EXT_INTR_EXITS);
+ if (need_resched())
+ cond_resched();
+ 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. */
-
- /* XXX At this point the TLB still holds our shadow TLB, so if
- * we do reschedule the host will fault over it. Perhaps we
- * should politely restore the host's entries to minimize
- * misses before ceding control. */
+ kvmppc_account_exit(vcpu, DEC_EXITS);
if (need_resched())
cond_resched();
- if (exit_nr == BOOKE_INTERRUPT_DECREMENTER)
- vcpu->stat.dec_exits++;
- else
- vcpu->stat.ext_intr_exits++;
r = RESUME_GUEST;
break;
if (vcpu->arch.msr & MSR_PR) {
/* Program traps generated by user-level software must be handled
* by the guest kernel. */
- vcpu->arch.esr = vcpu->arch.fault_esr;
- kvmppc_booke_queue_exception(vcpu, BOOKE_INTERRUPT_PROGRAM);
+ kvmppc_core_queue_program(vcpu, vcpu->arch.fault_esr);
r = RESUME_GUEST;
+ kvmppc_account_exit(vcpu, USR_PR_INST);
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. */
- vcpu->stat.emulated_inst_exits++;
r = RESUME_GUEST_NV;
break;
case EMULATE_DO_DCR:
break;
case EMULATE_FAIL:
/* XXX Deliver Program interrupt to guest. */
- printk(KERN_CRIT "%s: emulation at %x failed (%08x)\n",
+ 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. */
break;
case BOOKE_INTERRUPT_FP_UNAVAIL:
- kvmppc_booke_queue_exception(vcpu, exit_nr);
+ kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_FP_UNAVAIL);
+ kvmppc_account_exit(vcpu, FP_UNAVAIL);
+ r = RESUME_GUEST;
+ break;
+
+ case BOOKE_INTERRUPT_SPE_UNAVAIL:
+ kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_SPE_UNAVAIL);
+ r = RESUME_GUEST;
+ break;
+
+ case BOOKE_INTERRUPT_SPE_FP_DATA:
+ kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_SPE_FP_DATA);
+ r = RESUME_GUEST;
+ break;
+
+ case BOOKE_INTERRUPT_SPE_FP_ROUND:
+ kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_SPE_FP_ROUND);
r = RESUME_GUEST;
break;
case BOOKE_INTERRUPT_DATA_STORAGE:
- vcpu->arch.dear = vcpu->arch.fault_dear;
- vcpu->arch.esr = vcpu->arch.fault_esr;
- kvmppc_booke_queue_exception(vcpu, exit_nr);
- vcpu->stat.dsi_exits++;
+ kvmppc_core_queue_data_storage(vcpu, vcpu->arch.fault_dear,
+ vcpu->arch.fault_esr);
+ kvmppc_account_exit(vcpu, DSI_EXITS);
r = RESUME_GUEST;
break;
case BOOKE_INTERRUPT_INST_STORAGE:
- vcpu->arch.esr = vcpu->arch.fault_esr;
- kvmppc_booke_queue_exception(vcpu, exit_nr);
- vcpu->stat.isi_exits++;
+ kvmppc_core_queue_inst_storage(vcpu, vcpu->arch.fault_esr);
+ kvmppc_account_exit(vcpu, ISI_EXITS);
r = RESUME_GUEST;
break;
case BOOKE_INTERRUPT_SYSCALL:
- kvmppc_booke_queue_exception(vcpu, exit_nr);
- vcpu->stat.syscall_exits++;
+ kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_SYSCALL);
+ kvmppc_account_exit(vcpu, SYSCALL_EXITS);
r = RESUME_GUEST;
break;
case BOOKE_INTERRUPT_DTLB_MISS: {
- struct kvmppc_44x_tlbe *gtlbe;
unsigned long eaddr = vcpu->arch.fault_dear;
+ int gtlb_index;
+ gpa_t gpaddr;
gfn_t gfn;
/* Check the guest TLB. */
- gtlbe = kvmppc_44x_dtlb_search(vcpu, eaddr);
- if (!gtlbe) {
+ gtlb_index = kvmppc_mmu_dtlb_index(vcpu, eaddr);
+ if (gtlb_index < 0) {
/* The guest didn't have a mapping for it. */
- kvmppc_booke_queue_exception(vcpu, exit_nr);
- vcpu->arch.dear = vcpu->arch.fault_dear;
- vcpu->arch.esr = vcpu->arch.fault_esr;
- vcpu->stat.dtlb_real_miss_exits++;
+ kvmppc_core_queue_dtlb_miss(vcpu,
+ vcpu->arch.fault_dear,
+ vcpu->arch.fault_esr);
+ kvmppc_mmu_dtlb_miss(vcpu);
+ kvmppc_account_exit(vcpu, DTLB_REAL_MISS_EXITS);
r = RESUME_GUEST;
break;
}
- vcpu->arch.paddr_accessed = tlb_xlate(gtlbe, eaddr);
- gfn = vcpu->arch.paddr_accessed >> PAGE_SHIFT;
+ gpaddr = kvmppc_mmu_xlate(vcpu, gtlb_index, eaddr);
+ gfn = gpaddr >> PAGE_SHIFT;
if (kvm_is_visible_gfn(vcpu->kvm, gfn)) {
/* The guest TLB had a mapping, but the shadow TLB
* b) the guest used a large mapping which we're faking
* Either way, we need to satisfy the fault without
* invoking the guest. */
- kvmppc_mmu_map(vcpu, eaddr, gfn, gtlbe->tid,
- gtlbe->word2);
- vcpu->stat.dtlb_virt_miss_exits++;
+ kvmppc_mmu_map(vcpu, eaddr, gpaddr, gtlb_index);
+ kvmppc_account_exit(vcpu, DTLB_VIRT_MISS_EXITS);
r = RESUME_GUEST;
} else {
/* Guest has mapped and accessed a page which is not
* actually RAM. */
+ vcpu->arch.paddr_accessed = gpaddr;
r = kvmppc_emulate_mmio(run, vcpu);
+ kvmppc_account_exit(vcpu, MMIO_EXITS);
}
break;
}
case BOOKE_INTERRUPT_ITLB_MISS: {
- struct kvmppc_44x_tlbe *gtlbe;
unsigned long eaddr = vcpu->arch.pc;
+ gpa_t gpaddr;
gfn_t gfn;
+ int gtlb_index;
r = RESUME_GUEST;
/* Check the guest TLB. */
- gtlbe = kvmppc_44x_itlb_search(vcpu, eaddr);
- if (!gtlbe) {
+ gtlb_index = kvmppc_mmu_itlb_index(vcpu, eaddr);
+ if (gtlb_index < 0) {
/* The guest didn't have a mapping for it. */
- kvmppc_booke_queue_exception(vcpu, exit_nr);
- vcpu->stat.itlb_real_miss_exits++;
+ kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_ITLB_MISS);
+ kvmppc_mmu_itlb_miss(vcpu);
+ kvmppc_account_exit(vcpu, ITLB_REAL_MISS_EXITS);
break;
}
- vcpu->stat.itlb_virt_miss_exits++;
+ kvmppc_account_exit(vcpu, ITLB_VIRT_MISS_EXITS);
- gfn = tlb_xlate(gtlbe, eaddr) >> PAGE_SHIFT;
+ gpaddr = kvmppc_mmu_xlate(vcpu, gtlb_index, eaddr);
+ gfn = gpaddr >> PAGE_SHIFT;
if (kvm_is_visible_gfn(vcpu->kvm, gfn)) {
/* The guest TLB had a mapping, but the shadow TLB
* b) the guest used a large mapping which we're faking
* Either way, we need to satisfy the fault without
* invoking the guest. */
- kvmppc_mmu_map(vcpu, eaddr, gfn, gtlbe->tid,
- gtlbe->word2);
+ kvmppc_mmu_map(vcpu, eaddr, gpaddr, gtlb_index);
} else {
/* Guest mapped and leaped at non-RAM! */
- kvmppc_booke_queue_exception(vcpu, BOOKE_INTERRUPT_MACHINE_CHECK);
+ kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_MACHINE_CHECK);
}
break;
mtspr(SPRN_DBSR, dbsr);
run->exit_reason = KVM_EXIT_DEBUG;
+ kvmppc_account_exit(vcpu, DEBUG_EXITS);
r = RESUME_HOST;
break;
}
kvmppc_core_deliver_interrupts(vcpu);
- /* Do some exit accounting. */
- vcpu->stat.sum_exits++;
if (!(r & RESUME_HOST)) {
/* To avoid clobbering exit_reason, only check for signals if
* we aren't already exiting to userspace for some other
if (signal_pending(current)) {
run->exit_reason = KVM_EXIT_INTR;
r = (-EINTR << 2) | RESUME_HOST | (r & RESUME_FLAG_NV);
-
- vcpu->stat.signal_exits++;
- } else {
- vcpu->stat.light_exits++;
- }
- } else {
- switch (run->exit_reason) {
- case KVM_EXIT_MMIO:
- vcpu->stat.mmio_exits++;
- break;
- case KVM_EXIT_DCR:
- vcpu->stat.dcr_exits++;
- break;
- case KVM_EXIT_INTR:
- vcpu->stat.signal_exits++;
- break;
+ kvmppc_account_exit(vcpu, SIGNAL_EXITS);
}
}
/* Initial guest state: 16MB mapping 0 -> 0, PC = 0, MSR = 0, R1 = 16MB */
int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
{
- struct kvmppc_44x_tlbe *tlbe = &vcpu->arch.guest_tlb[0];
-
- tlbe->tid = 0;
- tlbe->word0 = PPC44x_TLB_16M | PPC44x_TLB_VALID;
- tlbe->word1 = 0;
- tlbe->word2 = PPC44x_TLB_SX | PPC44x_TLB_SW | PPC44x_TLB_SR;
-
- tlbe++;
- tlbe->tid = 0;
- tlbe->word0 = 0xef600000 | PPC44x_TLB_4K | PPC44x_TLB_VALID;
- tlbe->word1 = 0xef600000;
- tlbe->word2 = PPC44x_TLB_SX | PPC44x_TLB_SW | PPC44x_TLB_SR
- | PPC44x_TLB_I | PPC44x_TLB_G;
-
vcpu->arch.pc = 0;
vcpu->arch.msr = 0;
- vcpu->arch.gpr[1] = (16<<20) - 8; /* -8 for the callee-save LR slot */
+ kvmppc_set_gpr(vcpu, 1, (16<<20) - 8); /* -8 for the callee-save LR slot */
vcpu->arch.shadow_pid = 1;
* before it's programmed its own IVPR. */
vcpu->arch.ivpr = 0x55550000;
- /* Since the guest can directly access the timebase, it must know the
- * real timebase frequency. Accordingly, it must see the state of
- * CCR1[TCS]. */
- vcpu->arch.ccr1 = mfspr(SPRN_CCR1);
+ kvmppc_init_timing_stats(vcpu);
- return 0;
+ return kvmppc_core_vcpu_setup(vcpu);
}
int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
int i;
regs->pc = vcpu->arch.pc;
- regs->cr = vcpu->arch.cr;
+ regs->cr = kvmppc_get_cr(vcpu);
regs->ctr = vcpu->arch.ctr;
regs->lr = vcpu->arch.lr;
- regs->xer = vcpu->arch.xer;
+ regs->xer = kvmppc_get_xer(vcpu);
regs->msr = vcpu->arch.msr;
regs->srr0 = vcpu->arch.srr0;
regs->srr1 = vcpu->arch.srr1;
regs->sprg7 = vcpu->arch.sprg6;
for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
- regs->gpr[i] = vcpu->arch.gpr[i];
+ regs->gpr[i] = kvmppc_get_gpr(vcpu, i);
return 0;
}
int i;
vcpu->arch.pc = regs->pc;
- vcpu->arch.cr = regs->cr;
+ kvmppc_set_cr(vcpu, regs->cr);
vcpu->arch.ctr = regs->ctr;
vcpu->arch.lr = regs->lr;
- vcpu->arch.xer = regs->xer;
- vcpu->arch.msr = regs->msr;
+ kvmppc_set_xer(vcpu, regs->xer);
+ kvmppc_set_msr(vcpu, regs->msr);
vcpu->arch.srr0 = regs->srr0;
vcpu->arch.srr1 = regs->srr1;
vcpu->arch.sprg0 = regs->sprg0;
vcpu->arch.sprg6 = regs->sprg5;
vcpu->arch.sprg7 = regs->sprg6;
- for (i = 0; i < ARRAY_SIZE(vcpu->arch.gpr); i++)
- vcpu->arch.gpr[i] = regs->gpr[i];
+ for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
+ kvmppc_set_gpr(vcpu, i, regs->gpr[i]);
return 0;
}
return -ENOTSUPP;
}
-/* 'linear_address' is actually an encoding of AS|PID|EADDR . */
int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
struct kvm_translation *tr)
{
- struct kvmppc_44x_tlbe *gtlbe;
- int index;
- gva_t eaddr;
- u8 pid;
- u8 as;
-
- eaddr = tr->linear_address;
- pid = (tr->linear_address >> 32) & 0xff;
- as = (tr->linear_address >> 40) & 0x1;
-
- index = kvmppc_44x_tlb_index(vcpu, eaddr, pid, as);
- if (index == -1) {
- tr->valid = 0;
- return 0;
- }
-
- gtlbe = &vcpu->arch.guest_tlb[index];
-
- tr->physical_address = tlb_xlate(gtlbe, eaddr);
- /* XXX what does "writeable" and "usermode" even mean? */
- tr->valid = 1;
+ return kvmppc_core_vcpu_translate(vcpu, tr);
+}
- return 0;
+int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log)
+{
+ return -ENOTSUPP;
}
-static int kvmppc_booke_init(void)
+int __init kvmppc_booke_init(void)
{
unsigned long ivor[16];
unsigned long max_ivor = 0;
flush_icache_range(kvmppc_booke_handlers,
kvmppc_booke_handlers + max_ivor + kvmppc_handler_len);
- return kvm_init(NULL, sizeof(struct kvm_vcpu), THIS_MODULE);
+ return 0;
}
-static void __exit kvmppc_booke_exit(void)
+void __exit kvmppc_booke_exit(void)
{
free_pages(kvmppc_booke_handlers, VCPU_SIZE_ORDER);
kvm_exit();
}
-
-module_init(kvmppc_booke_init)
-module_exit(kvmppc_booke_exit)