---
drivers/kvm/vmx.c | 66 ++++++++++++++++++++++++++++-------------------------
1 files changed, 35 insertions(+), 31 deletions(-)
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 8606a5a..2718ac2 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -62,7 +62,7 @@ struct vcpu_vmx {
int gs_ldt_reload_needed;
int fs_reload_needed;
int guest_efer_loaded;
- }host_state;
+ } host_state;
};
@@ -271,7 +271,7 @@ static void vmcs_writel(unsigned long field, unsigned long
value)
u8 error;
asm volatile (ASM_VMX_VMWRITE_RAX_RDX "; setna %0"
- : "=q"(error) : "a"(value), "d"(field) : "cc" );
+ : "=q"(error) : "a"(value), "d"(field) : "cc");
if (unlikely(error))
vmwrite_error(field, value);
}
@@ -413,10 +413,10 @@ static void vmx_save_host_state(struct kvm_vcpu *vcpu)
#endif
#ifdef CONFIG_X86_64
- if (is_long_mode(&vmx->vcpu)) {
+ if (is_long_mode(&vmx->vcpu))
save_msrs(vmx->host_msrs +
vmx->msr_offset_kernel_gs_base, 1);
- }
+
#endif
load_msrs(vmx->guest_msrs, vmx->save_nmsrs);
load_transition_efer(vmx);
@@ -841,7 +841,7 @@ static int vmx_get_irq(struct kvm_vcpu *vcpu)
if (is_external_interrupt(idtv_info_field))
return idtv_info_field & VECTORING_INFO_VECTOR_MASK;
else
- printk("pending exception: not handled yet\n");
+ printk(KERN_DEBUG "pending exception: not handled
yet\n");
}
return -1;
}
@@ -889,7 +889,7 @@ static void hardware_disable(void *garbage)
}
static __init int adjust_vmx_controls(u32 ctl_min, u32 ctl_opt,
- u32 msr, u32* result)
+ u32 msr, u32 *result)
{
u32 vmx_msr_low, vmx_msr_high;
u32 ctl = ctl_min | ctl_opt;
@@ -1098,7 +1098,7 @@ static void enter_pmode(struct kvm_vcpu *vcpu)
vmcs_write32(GUEST_CS_AR_BYTES, 0x9b);
}
-static gva_t rmode_tss_base(struct kvm* kvm)
+static gva_t rmode_tss_base(struct kvm *kvm)
{
gfn_t base_gfn = kvm->memslots[0].base_gfn + kvm->memslots[0].npages -
3;
return base_gfn << PAGE_SHIFT;
@@ -1380,7 +1380,7 @@ static void vmx_set_gdt(struct kvm_vcpu *vcpu, struct
descriptor_table *dt)
vmcs_writel(GUEST_GDTR_BASE, dt->base);
}
-static int init_rmode_tss(struct kvm* kvm)
+static int init_rmode_tss(struct kvm *kvm)
{
struct page *p1, *p2, *p3;
gfn_t fn = rmode_tss_base(kvm) >> PAGE_SHIFT;
@@ -1391,13 +1391,13 @@ static int init_rmode_tss(struct kvm* kvm)
p3 = gfn_to_page(kvm, fn);
if (!p1 || !p2 || !p3) {
- kvm_printf(kvm,"%s: gfn_to_page failed\n", __FUNCTION__);
+ kvm_printf(kvm, "%s: gfn_to_page failed\n", __FUNCTION__);
return 0;
}
page = kmap_atomic(p1, KM_USER0);
clear_page(page);
- *(u16*)(page + 0x66) = TSS_BASE_SIZE + TSS_REDIRECTION_SIZE;
+ *(u16 *)(page + 0x66) = TSS_BASE_SIZE + TSS_REDIRECTION_SIZE;
kunmap_atomic(page, KM_USER0);
page = kmap_atomic(p2, KM_USER0);
@@ -1494,7 +1494,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
vmcs_writel(GUEST_RIP, 0);
vmcs_writel(GUEST_RSP, 0);
- //todo: dr0 = dr1 = dr2 = dr3 = 0; dr6 = 0xffff0ff0
+ /* todo: dr0 = dr1 = dr2 = dr3 = 0; dr6 = 0xffff0ff0 */
vmcs_writel(GUEST_DR7, 0x400);
vmcs_writel(GUEST_GDTR_BASE, 0);
@@ -1561,7 +1561,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
get_idt(&dt);
vmcs_writel(HOST_IDTR_BASE, dt.base); /* 22.2.4 */
- asm ("mov $.Lkvm_vmx_return, %0" : "=r"(kvm_vmx_return));
+ asm("mov $.Lkvm_vmx_return, %0" : "=r"(kvm_vmx_return));
vmcs_writel(HOST_RIP, kvm_vmx_return); /* 22.2.5 */
vmcs_write32(VM_EXIT_MSR_STORE_COUNT, 0);
vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, 0);
@@ -1613,7 +1613,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
vmcs_writel(CR4_GUEST_HOST_MASK, KVM_GUEST_CR4_MASK);
vmx->vcpu.cr0 = 0x60000010;
- vmx_set_cr0(&vmx->vcpu, vmx->vcpu.cr0); // enter rmode
+ vmx_set_cr0(&vmx->vcpu, vmx->vcpu.cr0); /* enter rmode */
vmx_set_cr4(&vmx->vcpu, 0);
#ifdef CONFIG_X86_64
vmx_set_efer(&vmx->vcpu, 0);
@@ -1644,7 +1644,7 @@ static void inject_rmode_irq(struct kvm_vcpu *vcpu, int
irq)
u16 sp = vmcs_readl(GUEST_RSP);
u32 ss_limit = vmcs_read32(GUEST_SS_LIMIT);
- if (sp > ss_limit || sp < 6 ) {
+ if (sp > ss_limit || sp < 6) {
vcpu_printf(vcpu, "%s: #SS, rsp 0x%lx ss 0x%lx limit 0x%x\n",
__FUNCTION__,
vmcs_readl(GUEST_RSP),
@@ -1664,15 +1664,18 @@ static void inject_rmode_irq(struct kvm_vcpu *vcpu, int
irq)
ip = vmcs_readl(GUEST_RIP);
- if (emulator_write_emulated(ss_base + sp - 2, &flags, 2, vcpu) !=
X86EMUL_CONTINUE ||
- emulator_write_emulated(ss_base + sp - 4, &cs, 2, vcpu) !=
X86EMUL_CONTINUE ||
- emulator_write_emulated(ss_base + sp - 6, &ip, 2, vcpu) !=
X86EMUL_CONTINUE) {
+ if (emulator_write_emulated(
+ ss_base + sp - 2, &flags, 2, vcpu) != X86EMUL_CONTINUE ||
+ emulator_write_emulated(
+ ss_base + sp - 4, &cs, 2, vcpu) != X86EMUL_CONTINUE ||
+ emulator_write_emulated(
+ ss_base + sp - 6, &ip, 2, vcpu) != X86EMUL_CONTINUE) {
vcpu_printf(vcpu, "%s: write guest err\n", __FUNCTION__);
return;
}
vmcs_writel(GUEST_RFLAGS, flags &
- ~( X86_EFLAGS_IF | X86_EFLAGS_AC | X86_EFLAGS_TF));
+ ~(X86_EFLAGS_IF | X86_EFLAGS_AC | X86_EFLAGS_TF));
vmcs_write16(GUEST_CS_SELECTOR, ent[1]) ;
vmcs_writel(GUEST_CS_BASE, ent[1] << 4);
vmcs_writel(GUEST_RIP, ent[0]);
@@ -1777,10 +1780,9 @@ static int handle_exception(struct kvm_vcpu *vcpu,
struct kvm_run *kvm_run)
intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
if ((vect_info & VECTORING_INFO_VALID_MASK) &&
- !is_page_fault(intr_info)) {
+ !is_page_fault(intr_info))
printk(KERN_ERR "%s: unexpected, vectoring info 0x%x "
"intr info 0x%x\n", __FUNCTION__, vect_info, intr_info);
- }
if (!irqchip_in_kernel(vcpu->kvm) && is_external_interrupt(vect_info)) {
int irq = vect_info & VECTORING_INFO_VECTOR_MASK;
@@ -1789,7 +1791,7 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct
kvm_run *kvm_run)
}
if ((intr_info & INTR_INFO_INTR_TYPE_MASK) == 0x200) { /* nmi */
- asm ("int $2");
+ asm("int $2");
return 1;
}
@@ -1833,7 +1835,7 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct
kvm_run *kvm_run)
case EMULATE_DO_MMIO:
++vcpu->stat.mmio_exits;
return 0;
- case EMULATE_FAIL:
+ case EMULATE_FAIL:
kvm_report_emulation_failure(vcpu, "pagetable");
break;
default:
@@ -1851,7 +1853,8 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct
kvm_run *kvm_run)
return 1;
}
- if ((intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK)) ==
(INTR_TYPE_EXCEPTION | 1)) {
+ if ((intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK)) ==
+ (INTR_TYPE_EXCEPTION | 1)) {
kvm_run->exit_reason = KVM_EXIT_DEBUG;
return 0;
}
@@ -2140,8 +2143,8 @@ static int kvm_handle_exit(struct kvm_run *kvm_run,
struct kvm_vcpu *vcpu)
return 0;
}
- if ( (vectoring_info & VECTORING_INFO_VALID_MASK) &&
- exit_reason != EXIT_REASON_EXCEPTION_NMI )
+ if ((vectoring_info & VECTORING_INFO_VALID_MASK) &&
+ exit_reason != EXIT_REASON_EXCEPTION_NMI)
printk(KERN_WARNING "%s: unexpected, valid vectoring info and "
"exit reason is 0x%x\n", __FUNCTION__, exit_reason);
if (exit_reason < kvm_vmx_max_exit_handlers
@@ -2239,7 +2242,7 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct
kvm_run *kvm_run)
*/
vmcs_writel(HOST_CR0, read_cr0());
- asm (
+ asm(
/* Store host registers */
#ifdef CONFIG_X86_64
"push %%rax; push %%rbx; push %%rdx;"
@@ -2343,8 +2346,8 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct
kvm_run *kvm_run)
[rdi]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_RDI])),
[rbp]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_RBP])),
#ifdef CONFIG_X86_64
- [r8 ]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R8 ])),
- [r9 ]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R9 ])),
+ [r8]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R8])),
+ [r9]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R9])),
[r10]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R10])),
[r11]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R11])),
[r12]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R12])),
@@ -2353,11 +2356,12 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct
kvm_run *kvm_run)
[r15]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R15])),
#endif
[cr2]"i"(offsetof(struct kvm_vcpu, cr2))
- : "cc", "memory" );
+ : "cc", "memory");
- vcpu->interrupt_window_open = (vmcs_read32(GUEST_INTERRUPTIBILITY_INFO)
& 3) == 0;
+ vcpu->interrupt_window_open =
+ (vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & 3) == 0;
- asm ("mov %0, %%ds; mov %0, %%es" : : "r"(__USER_DS));
+ asm("mov %0, %%ds; mov %0, %%es" : : "r"(__USER_DS));
vmx->launched = 1;
}
--
1.5.2.1
--
Mike Day
http://www.ncultra.org
AIM: ncmikeday | Yahoo IM: ultra.runner
PGP key: http://www.ncultra.org/ncmike/pubkey.asc
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