* the COPYING file in the top-level directory.
*
*/
-
+#include "x86.h"
#include "kvm_svm.h"
#include "x86_emulate.h"
#include "irq.h"
#include <linux/kernel.h>
#include <linux/vmalloc.h>
#include <linux/highmem.h>
-#include <linux/profile.h>
#include <linux/sched.h>
#include <asm/desc.h>
#define SEG_TYPE_LDT 2
#define SEG_TYPE_BUSY_TSS16 3
-#define KVM_EFER_LMA (1 << 10)
-#define KVM_EFER_LME (1 << 8)
-
#define SVM_FEATURE_NPT (1 << 0)
#define SVM_FEATURE_LBRV (1 << 1)
#define SVM_DEATURE_SVML (1 << 2)
+static void kvm_reput_irq(struct vcpu_svm *svm);
+
static inline struct vcpu_svm *to_svm(struct kvm_vcpu *vcpu)
{
return container_of(vcpu, struct vcpu_svm, vcpu);
static void svm_set_efer(struct kvm_vcpu *vcpu, u64 efer)
{
- if (!(efer & KVM_EFER_LMA))
- efer &= ~KVM_EFER_LME;
+ if (!(efer & EFER_LMA))
+ efer &= ~EFER_LME;
to_svm(vcpu)->vmcb->save.efer = efer | MSR_EFER_SVME_MASK;
vcpu->shadow_efer = efer;
}
-static void svm_inject_gp(struct kvm_vcpu *vcpu, unsigned error_code)
+static void svm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr,
+ bool has_error_code, u32 error_code)
{
struct vcpu_svm *svm = to_svm(vcpu);
- svm->vmcb->control.event_inj = SVM_EVTINJ_VALID |
- SVM_EVTINJ_VALID_ERR |
- SVM_EVTINJ_TYPE_EXEPT |
- GP_VECTOR;
+ svm->vmcb->control.event_inj = nr
+ | SVM_EVTINJ_VALID
+ | (has_error_code ? SVM_EVTINJ_VALID_ERR : 0)
+ | SVM_EVTINJ_TYPE_EXEPT;
svm->vmcb->control.event_inj_err = error_code;
}
-static void inject_ud(struct kvm_vcpu *vcpu)
+static bool svm_exception_injected(struct kvm_vcpu *vcpu)
{
- to_svm(vcpu)->vmcb->control.event_inj = SVM_EVTINJ_VALID |
- SVM_EVTINJ_TYPE_EXEPT |
- UD_VECTOR;
-}
+ struct vcpu_svm *svm = to_svm(vcpu);
-static int is_page_fault(uint32_t info)
-{
- info &= SVM_EVTINJ_VEC_MASK | SVM_EVTINJ_TYPE_MASK | SVM_EVTINJ_VALID;
- return info == (PF_VECTOR | SVM_EVTINJ_VALID | SVM_EVTINJ_TYPE_EXEPT);
+ return !(svm->vmcb->control.exit_int_info & SVM_EXITINTINFO_VALID);
}
static int is_external_interrupt(u32 info)
printk(KERN_DEBUG "%s: NOP\n", __FUNCTION__);
return;
}
- if (svm->next_rip - svm->vmcb->save.rip > MAX_INST_SIZE) {
+ if (svm->next_rip - svm->vmcb->save.rip > MAX_INST_SIZE)
printk(KERN_ERR "%s: ip 0x%llx next 0x%llx\n",
__FUNCTION__,
svm->vmcb->save.rip,
svm->next_rip);
- }
vcpu->rip = svm->vmcb->save.rip = svm->next_rip;
svm->vmcb->control.int_state &= ~SVM_INTERRUPT_SHADOW_MASK;
#ifdef CONFIG_X86_64
struct desc_ptr gdt_descr;
#else
- struct Xgt_desc_struct gdt_descr;
+ struct desc_ptr gdt_descr;
#endif
struct desc_struct *gdt;
int me = raw_smp_processor_id();
svm_data->next_asid = svm_data->max_asid + 1;
svm_features = cpuid_edx(SVM_CPUID_FUNC);
- asm volatile ( "sgdt %0" : "=m"(gdt_descr) );
+ asm volatile ("sgdt %0" : "=m"(gdt_descr));
gdt = (struct desc_struct *)gdt_descr.address;
svm_data->tss_desc = (struct kvm_ldttss_desc *)(gdt + GDT_ENTRY_TSS);
control->intercept_cr_read = INTERCEPT_CR0_MASK |
INTERCEPT_CR3_MASK |
- INTERCEPT_CR4_MASK;
+ INTERCEPT_CR4_MASK |
+ INTERCEPT_CR8_MASK;
control->intercept_cr_write = INTERCEPT_CR0_MASK |
INTERCEPT_CR3_MASK |
- INTERCEPT_CR4_MASK;
+ INTERCEPT_CR4_MASK |
+ INTERCEPT_CR8_MASK;
control->intercept_dr_read = INTERCEPT_DR0_MASK |
INTERCEPT_DR1_MASK |
INTERCEPT_DR5_MASK |
INTERCEPT_DR7_MASK;
- control->intercept_exceptions = 1 << PF_VECTOR;
+ control->intercept_exceptions = (1 << PF_VECTOR) |
+ (1 << UD_VECTOR);
control->intercept = (1ULL << INTERCEPT_INTR) |
*/
/* (1ULL << INTERCEPT_SELECTIVE_CR0) | */
(1ULL << INTERCEPT_CPUID) |
+ (1ULL << INTERCEPT_INVD) |
(1ULL << INTERCEPT_HLT) |
(1ULL << INTERCEPT_INVLPGA) |
(1ULL << INTERCEPT_IOIO_PROT) |
(1ULL << INTERCEPT_STGI) |
(1ULL << INTERCEPT_CLGI) |
(1ULL << INTERCEPT_SKINIT) |
+ (1ULL << INTERCEPT_WBINVD) |
(1ULL << INTERCEPT_MONITOR) |
(1ULL << INTERCEPT_MWAIT);
init_sys_seg(&save->tr, SEG_TYPE_BUSY_TSS16);
save->efer = MSR_EFER_SVME_MASK;
-
- save->dr6 = 0xffff0ff0;
+ save->dr6 = 0xffff0ff0;
save->dr7 = 0x400;
save->rflags = 2;
save->rip = 0x0000fff0;
/* rdx = ?? */
}
+static int svm_vcpu_reset(struct kvm_vcpu *vcpu)
+{
+ struct vcpu_svm *svm = to_svm(vcpu);
+
+ init_vmcb(svm->vmcb);
+
+ if (vcpu->vcpu_id != 0) {
+ svm->vmcb->save.rip = 0;
+ svm->vmcb->save.cs.base = svm->vcpu.sipi_vector << 12;
+ svm->vmcb->save.cs.selector = svm->vcpu.sipi_vector << 8;
+ }
+
+ return 0;
+}
+
static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id)
{
struct vcpu_svm *svm;
if (err)
goto free_svm;
- if (irqchip_in_kernel(kvm)) {
- err = kvm_create_lapic(&svm->vcpu);
- if (err < 0)
- goto free_svm;
- }
-
page = alloc_page(GFP_KERNEL);
if (!page) {
err = -ENOMEM;
struct vcpu_svm *svm = to_svm(vcpu);
int i;
+ ++vcpu->stat.host_state_reload;
for (i = 0; i < NR_HOST_SAVE_USER_MSRS; i++)
wrmsrl(host_save_user_msrs[i], svm->host_user_msrs[i]);
struct vcpu_svm *svm = to_svm(vcpu);
#ifdef CONFIG_X86_64
- if (vcpu->shadow_efer & KVM_EFER_LME) {
+ if (vcpu->shadow_efer & EFER_LME) {
if (!is_paging(vcpu) && (cr0 & X86_CR0_PG)) {
- vcpu->shadow_efer |= KVM_EFER_LMA;
- svm->vmcb->save.efer |= KVM_EFER_LMA | KVM_EFER_LME;
+ vcpu->shadow_efer |= EFER_LMA;
+ svm->vmcb->save.efer |= EFER_LMA | EFER_LME;
}
- if (is_paging(vcpu) && !(cr0 & X86_CR0_PG) ) {
- vcpu->shadow_efer &= ~KVM_EFER_LMA;
- svm->vmcb->save.efer &= ~(KVM_EFER_LMA | KVM_EFER_LME);
+ if (is_paging(vcpu) && !(cr0 & X86_CR0_PG)) {
+ vcpu->shadow_efer &= ~EFER_LMA;
+ svm->vmcb->save.efer &= ~(EFER_LMA | EFER_LME);
}
}
#endif
struct kvm *kvm = svm->vcpu.kvm;
u64 fault_address;
u32 error_code;
- enum emulation_result er;
- int r;
if (!irqchip_in_kernel(kvm) &&
is_external_interrupt(exit_int_info))
push_irq(&svm->vcpu, exit_int_info & SVM_EVTINJ_VEC_MASK);
- mutex_lock(&kvm->lock);
-
fault_address = svm->vmcb->control.exit_info_2;
error_code = svm->vmcb->control.exit_info_1;
- r = kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code);
- if (r < 0) {
- mutex_unlock(&kvm->lock);
- return r;
- }
- if (!r) {
- mutex_unlock(&kvm->lock);
- return 1;
- }
- er = emulate_instruction(&svm->vcpu, kvm_run, fault_address,
- error_code);
- mutex_unlock(&kvm->lock);
+ return kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code);
+}
- switch (er) {
- case EMULATE_DONE:
- return 1;
- case EMULATE_DO_MMIO:
- ++svm->vcpu.stat.mmio_exits;
- return 0;
- case EMULATE_FAIL:
- vcpu_printf(&svm->vcpu, "%s: emulate fail\n", __FUNCTION__);
- break;
- default:
- BUG();
- }
+static int ud_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+{
+ int er;
- kvm_run->exit_reason = KVM_EXIT_UNKNOWN;
- return 0;
+ er = emulate_instruction(&svm->vcpu, kvm_run, 0, 0, 0);
+ if (er != EMULATE_DONE)
+ kvm_queue_exception(&svm->vcpu, UD_VECTOR);
+ return 1;
}
static int nm_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
static int io_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
{
- u32 io_info = svm->vmcb->control.exit_info_1; //address size bug?
+ u32 io_info = svm->vmcb->control.exit_info_1; /* address size bug? */
int size, down, in, string, rep;
unsigned port;
string = (io_info & SVM_IOIO_STR_MASK) != 0;
if (string) {
- if (emulate_instruction(&svm->vcpu, kvm_run, 0, 0) == EMULATE_DO_MMIO)
+ if (emulate_instruction(&svm->vcpu,
+ kvm_run, 0, 0, 0) == EMULATE_DO_MMIO)
return 0;
return 1;
}
{
svm->next_rip = svm->vmcb->save.rip + 3;
skip_emulated_instruction(&svm->vcpu);
- return kvm_hypercall(&svm->vcpu, kvm_run);
+ kvm_emulate_hypercall(&svm->vcpu);
+ return 1;
}
static int invalid_op_interception(struct vcpu_svm *svm,
struct kvm_run *kvm_run)
{
- inject_ud(&svm->vcpu);
+ kvm_queue_exception(&svm->vcpu, UD_VECTOR);
return 1;
}
static int emulate_on_interception(struct vcpu_svm *svm,
struct kvm_run *kvm_run)
{
- if (emulate_instruction(&svm->vcpu, NULL, 0, 0) != EMULATE_DONE)
+ if (emulate_instruction(&svm->vcpu, NULL, 0, 0, 0) != EMULATE_DONE)
pr_unimpl(&svm->vcpu, "%s: failed\n", __FUNCTION__);
return 1;
}
+static int cr8_write_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+{
+ emulate_instruction(&svm->vcpu, NULL, 0, 0, 0);
+ if (irqchip_in_kernel(svm->vcpu.kvm))
+ return 1;
+ kvm_run->exit_reason = KVM_EXIT_SET_TPR;
+ return 0;
+}
+
static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
{
struct vcpu_svm *svm = to_svm(vcpu);
u64 data;
if (svm_get_msr(&svm->vcpu, ecx, &data))
- svm_inject_gp(&svm->vcpu, 0);
+ kvm_inject_gp(&svm->vcpu, 0);
else {
svm->vmcb->save.rax = data & 0xffffffff;
svm->vcpu.regs[VCPU_REGS_RDX] = data >> 32;
| ((u64)(svm->vcpu.regs[VCPU_REGS_RDX] & -1u) << 32);
svm->next_rip = svm->vmcb->save.rip + 2;
if (svm_set_msr(&svm->vcpu, ecx, data))
- svm_inject_gp(&svm->vcpu, 0);
+ kvm_inject_gp(&svm->vcpu, 0);
else
skip_emulated_instruction(&svm->vcpu);
return 1;
[SVM_EXIT_READ_CR0] = emulate_on_interception,
[SVM_EXIT_READ_CR3] = emulate_on_interception,
[SVM_EXIT_READ_CR4] = emulate_on_interception,
+ [SVM_EXIT_READ_CR8] = emulate_on_interception,
/* for now: */
[SVM_EXIT_WRITE_CR0] = emulate_on_interception,
[SVM_EXIT_WRITE_CR3] = emulate_on_interception,
[SVM_EXIT_WRITE_CR4] = emulate_on_interception,
+ [SVM_EXIT_WRITE_CR8] = cr8_write_interception,
[SVM_EXIT_READ_DR0] = emulate_on_interception,
[SVM_EXIT_READ_DR1] = emulate_on_interception,
[SVM_EXIT_READ_DR2] = emulate_on_interception,
[SVM_EXIT_WRITE_DR3] = emulate_on_interception,
[SVM_EXIT_WRITE_DR5] = emulate_on_interception,
[SVM_EXIT_WRITE_DR7] = emulate_on_interception,
+ [SVM_EXIT_EXCP_BASE + UD_VECTOR] = ud_interception,
[SVM_EXIT_EXCP_BASE + PF_VECTOR] = pf_interception,
[SVM_EXIT_EXCP_BASE + NM_VECTOR] = nm_interception,
[SVM_EXIT_INTR] = nop_on_interception,
[SVM_EXIT_VINTR] = interrupt_window_interception,
/* [SVM_EXIT_CR0_SEL_WRITE] = emulate_on_interception, */
[SVM_EXIT_CPUID] = cpuid_interception,
+ [SVM_EXIT_INVD] = emulate_on_interception,
[SVM_EXIT_HLT] = halt_interception,
[SVM_EXIT_INVLPG] = emulate_on_interception,
[SVM_EXIT_INVLPGA] = invalid_op_interception,
[SVM_EXIT_STGI] = invalid_op_interception,
[SVM_EXIT_CLGI] = invalid_op_interception,
[SVM_EXIT_SKINIT] = invalid_op_interception,
+ [SVM_EXIT_WBINVD] = emulate_on_interception,
[SVM_EXIT_MONITOR] = invalid_op_interception,
[SVM_EXIT_MWAIT] = invalid_op_interception,
};
-static int handle_exit(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int handle_exit(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
{
+ struct vcpu_svm *svm = to_svm(vcpu);
u32 exit_code = svm->vmcb->control.exit_code;
+ kvm_reput_irq(svm);
+
+ if (svm->vmcb->control.exit_code == SVM_EXIT_ERR) {
+ kvm_run->exit_reason = KVM_EXIT_FAIL_ENTRY;
+ kvm_run->fail_entry.hardware_entry_failure_reason
+ = svm->vmcb->control.exit_code;
+ return 0;
+ }
+
if (is_external_interrupt(svm->vmcb->control.exit_int_info) &&
exit_code != SVM_EXIT_EXCP_BASE + PF_VECTOR)
printk(KERN_ERR "%s: unexpected exit_ini_info 0x%x "
exit_code);
if (exit_code >= ARRAY_SIZE(svm_exit_handlers)
- || svm_exit_handlers[exit_code] == 0) {
+ || !svm_exit_handlers[exit_code]) {
kvm_run->exit_reason = KVM_EXIT_UNKNOWN;
kvm_run->hw.hardware_exit_reason = exit_code;
return 0;
int cpu = raw_smp_processor_id();
struct svm_cpu_data *svm_data = per_cpu(svm_data, cpu);
- svm_data->tss_desc->type = 9; //available 32/64-bit TSS
+ svm_data->tss_desc->type = 9; /* available 32/64-bit TSS */
load_TR_desc();
}
svm_inject_irq(svm, irq);
}
-static void svm_intr_assist(struct vcpu_svm *svm)
+static void svm_intr_assist(struct kvm_vcpu *vcpu)
{
+ struct vcpu_svm *svm = to_svm(vcpu);
struct vmcb *vmcb = svm->vmcb;
int intr_vector = -1;
- struct kvm_vcpu *vcpu = &svm->vcpu;
- kvm_inject_pending_timer_irqs(vcpu);
if ((vmcb->control.exit_int_info & SVM_EVTINJ_VALID) &&
((vmcb->control.exit_int_info & SVM_EVTINJ_TYPE_MASK) == 0)) {
intr_vector = vmcb->control.exit_int_info &
svm_inject_irq(svm, irq);
}
-static void do_interrupt_requests(struct vcpu_svm *svm,
+static void do_interrupt_requests(struct kvm_vcpu *vcpu,
struct kvm_run *kvm_run)
{
+ struct vcpu_svm *svm = to_svm(vcpu);
struct vmcb_control_area *control = &svm->vmcb->control;
svm->vcpu.interrupt_window_open =
* Interrupts blocked. Wait for unblock.
*/
if (!svm->vcpu.interrupt_window_open &&
- (svm->vcpu.irq_summary || kvm_run->request_interrupt_window)) {
+ (svm->vcpu.irq_summary || kvm_run->request_interrupt_window))
control->intercept |= 1ULL << INTERCEPT_VINTR;
- } else
+ else
control->intercept &= ~(1ULL << INTERCEPT_VINTR);
}
-static void post_kvm_run_save(struct vcpu_svm *svm,
- struct kvm_run *kvm_run)
-{
- if (irqchip_in_kernel(svm->vcpu.kvm))
- kvm_run->ready_for_interrupt_injection = 1;
- else
- kvm_run->ready_for_interrupt_injection =
- (svm->vcpu.interrupt_window_open &&
- svm->vcpu.irq_summary == 0);
- kvm_run->if_flag = (svm->vmcb->save.rflags & X86_EFLAGS_IF) != 0;
- kvm_run->cr8 = get_cr8(&svm->vcpu);
- kvm_run->apic_base = kvm_get_apic_base(&svm->vcpu);
-}
-
-/*
- * Check if userspace requested an interrupt window, and that the
- * interrupt window is open.
- *
- * No need to exit to userspace if we already have an interrupt queued.
- */
-static int dm_request_for_irq_injection(struct vcpu_svm *svm,
- struct kvm_run *kvm_run)
+static int svm_set_tss_addr(struct kvm *kvm, unsigned int addr)
{
- return (!svm->vcpu.irq_summary &&
- kvm_run->request_interrupt_window &&
- svm->vcpu.interrupt_window_open &&
- (svm->vmcb->save.rflags & X86_EFLAGS_IF));
+ return 0;
}
static void save_db_regs(unsigned long *db_regs)
force_new_asid(vcpu);
}
-static int svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
+static void svm_prepare_guest_switch(struct kvm_vcpu *vcpu)
+{
+}
+
+static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
{
struct vcpu_svm *svm = to_svm(vcpu);
u16 fs_selector;
u16 gs_selector;
u16 ldt_selector;
- int r;
-
-again:
- r = kvm_mmu_reload(vcpu);
- if (unlikely(r))
- return r;
-
- clgi();
-
- if (signal_pending(current)) {
- stgi();
- ++vcpu->stat.signal_exits;
- post_kvm_run_save(svm, kvm_run);
- kvm_run->exit_reason = KVM_EXIT_INTR;
- return -EINTR;
- }
-
- if (irqchip_in_kernel(vcpu->kvm))
- svm_intr_assist(svm);
- else if (!vcpu->mmio_read_completed)
- do_interrupt_requests(svm, kvm_run);
-
- vcpu->guest_mode = 1;
- if (vcpu->requests)
- if (test_and_clear_bit(KVM_TLB_FLUSH, &vcpu->requests))
- svm_flush_tlb(vcpu);
pre_svm_run(svm);
load_db_regs(svm->db_regs);
}
- if (vcpu->fpu_active) {
- fx_save(&vcpu->host_fx_image);
- fx_restore(&vcpu->guest_fx_image);
- }
+ clgi();
+
+ local_irq_enable();
asm volatile (
#ifdef CONFIG_X86_64
- "push %%rbx; push %%rcx; push %%rdx;"
- "push %%rsi; push %%rdi; push %%rbp;"
- "push %%r8; push %%r9; push %%r10; push %%r11;"
- "push %%r12; push %%r13; push %%r14; push %%r15;"
+ "push %%rbp; \n\t"
#else
- "push %%ebx; push %%ecx; push %%edx;"
- "push %%esi; push %%edi; push %%ebp;"
+ "push %%ebp; \n\t"
#endif
#ifdef CONFIG_X86_64
"mov %%r14, %c[r14](%[svm]) \n\t"
"mov %%r15, %c[r15](%[svm]) \n\t"
- "pop %%r15; pop %%r14; pop %%r13; pop %%r12;"
- "pop %%r11; pop %%r10; pop %%r9; pop %%r8;"
- "pop %%rbp; pop %%rdi; pop %%rsi;"
- "pop %%rdx; pop %%rcx; pop %%rbx; \n\t"
+ "pop %%rbp; \n\t"
#else
"mov %%ebx, %c[rbx](%[svm]) \n\t"
"mov %%ecx, %c[rcx](%[svm]) \n\t"
"mov %%edi, %c[rdi](%[svm]) \n\t"
"mov %%ebp, %c[rbp](%[svm]) \n\t"
- "pop %%ebp; pop %%edi; pop %%esi;"
- "pop %%edx; pop %%ecx; pop %%ebx; \n\t"
+ "pop %%ebp; \n\t"
#endif
:
: [svm]"a"(svm),
[vmcb]"i"(offsetof(struct vcpu_svm, vmcb_pa)),
- [rbx]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_RBX])),
- [rcx]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_RCX])),
- [rdx]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_RDX])),
- [rsi]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_RSI])),
- [rdi]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_RDI])),
- [rbp]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_RBP]))
+ [rbx]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_RBX])),
+ [rcx]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_RCX])),
+ [rdx]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_RDX])),
+ [rsi]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_RSI])),
+ [rdi]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_RDI])),
+ [rbp]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_RBP]))
#ifdef CONFIG_X86_64
- ,[r8 ]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R8])),
- [r9 ]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R9 ])),
- [r10]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R10])),
- [r11]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R11])),
- [r12]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R12])),
- [r13]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R13])),
- [r14]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R14])),
- [r15]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R15]))
+ , [r8]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R8])),
+ [r9]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R9])),
+ [r10]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R10])),
+ [r11]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R11])),
+ [r12]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R12])),
+ [r13]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R13])),
+ [r14]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R14])),
+ [r15]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R15]))
#endif
- : "cc", "memory" );
-
- vcpu->guest_mode = 0;
-
- if (vcpu->fpu_active) {
- fx_save(&vcpu->guest_fx_image);
- fx_restore(&vcpu->host_fx_image);
- }
+ : "cc", "memory"
+#ifdef CONFIG_X86_64
+ , "rbx", "rcx", "rdx", "rsi", "rdi"
+ , "r8", "r9", "r10", "r11" , "r12", "r13", "r14", "r15"
+#else
+ , "ebx", "ecx", "edx" , "esi", "edi"
+#endif
+ );
if ((svm->vmcb->save.dr7 & 0xff))
load_db_regs(svm->host_db_regs);
reload_tss(vcpu);
- /*
- * Profile KVM exit RIPs:
- */
- if (unlikely(prof_on == KVM_PROFILING))
- profile_hit(KVM_PROFILING,
- (void *)(unsigned long)svm->vmcb->save.rip);
+ local_irq_disable();
stgi();
- kvm_reput_irq(svm);
-
svm->next_rip = 0;
-
- if (svm->vmcb->control.exit_code == SVM_EXIT_ERR) {
- kvm_run->exit_reason = KVM_EXIT_FAIL_ENTRY;
- kvm_run->fail_entry.hardware_entry_failure_reason
- = svm->vmcb->control.exit_code;
- post_kvm_run_save(svm, kvm_run);
- return 0;
- }
-
- r = handle_exit(svm, kvm_run);
- if (r > 0) {
- if (dm_request_for_irq_injection(svm, kvm_run)) {
- ++vcpu->stat.request_irq_exits;
- post_kvm_run_save(svm, kvm_run);
- kvm_run->exit_reason = KVM_EXIT_INTR;
- return -EINTR;
- }
- kvm_resched(vcpu);
- goto again;
- }
- post_kvm_run_save(svm, kvm_run);
- return r;
}
static void svm_set_cr3(struct kvm_vcpu *vcpu, unsigned long root)
}
}
-static void svm_inject_page_fault(struct kvm_vcpu *vcpu,
- unsigned long addr,
- uint32_t err_code)
-{
- struct vcpu_svm *svm = to_svm(vcpu);
- uint32_t exit_int_info = svm->vmcb->control.exit_int_info;
-
- ++vcpu->stat.pf_guest;
-
- if (is_page_fault(exit_int_info)) {
-
- svm->vmcb->control.event_inj_err = 0;
- svm->vmcb->control.event_inj = SVM_EVTINJ_VALID |
- SVM_EVTINJ_VALID_ERR |
- SVM_EVTINJ_TYPE_EXEPT |
- DF_VECTOR;
- return;
- }
- vcpu->cr2 = addr;
- svm->vmcb->save.cr2 = addr;
- svm->vmcb->control.event_inj = SVM_EVTINJ_VALID |
- SVM_EVTINJ_VALID_ERR |
- SVM_EVTINJ_TYPE_EXEPT |
- PF_VECTOR;
- svm->vmcb->control.event_inj_err = err_code;
-}
-
-
static int is_disabled(void)
{
u64 vm_cr;
hypercall[0] = 0x0f;
hypercall[1] = 0x01;
hypercall[2] = 0xd9;
- hypercall[3] = 0xc3;
}
static void svm_check_processor_compat(void *rtn)
*(int *)rtn = 0;
}
-static struct kvm_arch_ops svm_arch_ops = {
+static struct kvm_x86_ops svm_x86_ops = {
.cpu_has_kvm_support = has_svm,
.disabled_by_bios = is_disabled,
.hardware_setup = svm_hardware_setup,
.vcpu_create = svm_create_vcpu,
.vcpu_free = svm_free_vcpu,
+ .vcpu_reset = svm_vcpu_reset,
+ .prepare_guest_switch = svm_prepare_guest_switch,
.vcpu_load = svm_vcpu_load,
.vcpu_put = svm_vcpu_put,
.vcpu_decache = svm_vcpu_decache,
.set_rflags = svm_set_rflags,
.tlb_flush = svm_flush_tlb,
- .inject_page_fault = svm_inject_page_fault,
-
- .inject_gp = svm_inject_gp,
.run = svm_vcpu_run,
+ .handle_exit = handle_exit,
.skip_emulated_instruction = skip_emulated_instruction,
.patch_hypercall = svm_patch_hypercall,
.get_irq = svm_get_irq,
.set_irq = svm_set_irq,
+ .queue_exception = svm_queue_exception,
+ .exception_injected = svm_exception_injected,
+ .inject_pending_irq = svm_intr_assist,
+ .inject_pending_vectors = do_interrupt_requests,
+
+ .set_tss_addr = svm_set_tss_addr,
};
static int __init svm_init(void)
{
- return kvm_init_arch(&svm_arch_ops, sizeof(struct vcpu_svm),
+ return kvm_init(&svm_x86_ops, sizeof(struct vcpu_svm),
THIS_MODULE);
}
static void __exit svm_exit(void)
{
- kvm_exit_arch();
+ kvm_exit();
}
module_init(svm_init)
projects / deliverable / linux.git / blobdiff