X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2Fia64%2Fkvm%2Fkvm-ia64.c;h=dbf527a57341156633b19603b981835d2946c9d7;hb=399ec807ddc38ecccf8c06dbde04531cbdc63e11;hp=9408b30576d6437147c0bf2b45baa2a6eeab9203;hpb=7f39f8ac177db258200053074aa7a3d98656b1cf;p=safe%2Fjmp%2Flinux-2.6 diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 9408b30..dbf527a 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -31,6 +31,8 @@ #include #include #include +#include +#include #include #include @@ -38,12 +40,14 @@ #include #include #include +#include #include "misc.h" #include "vti.h" #include "iodev.h" #include "ioapic.h" #include "lapic.h" +#include "irq.h" static unsigned long kvm_vmm_base; static unsigned long kvm_vsa_base; @@ -61,12 +65,6 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { NULL } }; - -struct fdesc{ - unsigned long ip; - unsigned long gp; -}; - static void kvm_flush_icache(unsigned long start, unsigned long len) { int l; @@ -125,9 +123,9 @@ void kvm_arch_hardware_enable(void *garbage) PAGE_KERNEL)); local_irq_save(saved_psr); slot = ia64_itr_entry(0x3, KVM_VMM_BASE, pte, KVM_VMM_SHIFT); + local_irq_restore(saved_psr); if (slot < 0) return; - local_irq_restore(saved_psr); spin_lock(&vp_lock); status = ia64_pal_vp_init_env(kvm_vsa_base ? @@ -160,9 +158,9 @@ void kvm_arch_hardware_disable(void *garbage) local_irq_save(saved_psr); slot = ia64_itr_entry(0x3, KVM_VMM_BASE, pte, KVM_VMM_SHIFT); + local_irq_restore(saved_psr); if (slot < 0) return; - local_irq_restore(saved_psr); status = ia64_pal_vp_exit_env(host_iva); if (status) @@ -183,13 +181,16 @@ int kvm_dev_ioctl_check_extension(long ext) switch (ext) { case KVM_CAP_IRQCHIP: - case KVM_CAP_USER_MEMORY: + case KVM_CAP_MP_STATE: r = 1; break; case KVM_CAP_COALESCED_MMIO: r = KVM_COALESCED_MMIO_PAGE_OFFSET; break; + case KVM_CAP_IOMMU: + r = iommu_found(); + break; default: r = 0; } @@ -384,6 +385,7 @@ static int handle_global_purge(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) struct kvm *kvm = vcpu->kvm; struct call_data call_data; int i; + call_data.ptc_g_data = p->u.ptc_g_data; for (i = 0; i < KVM_MAX_VCPUS; i++) { @@ -417,33 +419,39 @@ int kvm_emulate_halt(struct kvm_vcpu *vcpu) ktime_t kt; long itc_diff; unsigned long vcpu_now_itc; - unsigned long expires; struct hrtimer *p_ht = &vcpu->arch.hlt_timer; unsigned long cyc_per_usec = local_cpu_data->cyc_per_usec; struct vpd *vpd = to_host(vcpu->kvm, vcpu->arch.vpd); - vcpu_now_itc = ia64_getreg(_IA64_REG_AR_ITC) + vcpu->arch.itc_offset; + if (irqchip_in_kernel(vcpu->kvm)) { + + vcpu_now_itc = ia64_getreg(_IA64_REG_AR_ITC) + vcpu->arch.itc_offset; - if (time_after(vcpu_now_itc, vpd->itm)) { - vcpu->arch.timer_check = 1; - return 1; - } - itc_diff = vpd->itm - vcpu_now_itc; - if (itc_diff < 0) - itc_diff = -itc_diff; + if (time_after(vcpu_now_itc, vpd->itm)) { + vcpu->arch.timer_check = 1; + return 1; + } + itc_diff = vpd->itm - vcpu_now_itc; + if (itc_diff < 0) + itc_diff = -itc_diff; - expires = div64_u64(itc_diff, cyc_per_usec); - kt = ktime_set(0, 1000 * expires); - vcpu->arch.ht_active = 1; - hrtimer_start(p_ht, kt, HRTIMER_MODE_ABS); + expires = div64_u64(itc_diff, cyc_per_usec); + kt = ktime_set(0, 1000 * expires); + + vcpu->arch.ht_active = 1; + hrtimer_start(p_ht, kt, HRTIMER_MODE_ABS); - if (irqchip_in_kernel(vcpu->kvm)) { vcpu->arch.mp_state = KVM_MP_STATE_HALTED; kvm_vcpu_block(vcpu); hrtimer_cancel(p_ht); vcpu->arch.ht_active = 0; + if (test_and_clear_bit(KVM_REQ_UNHALT, &vcpu->requests)) + if (vcpu->arch.mp_state == KVM_MP_STATE_HALTED) + vcpu->arch.mp_state = + KVM_MP_STATE_RUNNABLE; + if (vcpu->arch.mp_state != KVM_MP_STATE_RUNNABLE) return -EINTR; return 1; @@ -466,6 +474,13 @@ static int handle_external_interrupt(struct kvm_vcpu *vcpu, return 1; } +static int handle_vcpu_debug(struct kvm_vcpu *vcpu, + struct kvm_run *kvm_run) +{ + printk("VMM: %s", vcpu->arch.log_buf); + return 1; +} + static int (*kvm_vti_exit_handlers[])(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) = { [EXIT_REASON_VM_PANIC] = handle_vm_error, @@ -477,16 +492,13 @@ static int (*kvm_vti_exit_handlers[])(struct kvm_vcpu *vcpu, [EXIT_REASON_EXTERNAL_INTERRUPT] = handle_external_interrupt, [EXIT_REASON_IPI] = handle_ipi, [EXIT_REASON_PTC_G] = handle_global_purge, + [EXIT_REASON_DEBUG] = handle_vcpu_debug, }; static const int kvm_vti_max_exit_handlers = sizeof(kvm_vti_exit_handlers)/sizeof(*kvm_vti_exit_handlers); -static void kvm_prepare_guest_switch(struct kvm_vcpu *vcpu) -{ -} - static uint32_t kvm_get_exit_reason(struct kvm_vcpu *vcpu) { struct exit_ctl_data *p_exit_data; @@ -599,8 +611,6 @@ static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) again: preempt_disable(); - - kvm_prepare_guest_switch(vcpu); local_irq_disable(); if (signal_pending(current)) { @@ -613,7 +623,7 @@ again: vcpu->guest_mode = 1; kvm_guest_enter(); - + down_read(&vcpu->kvm->slots_lock); r = vti_vcpu_run(vcpu, kvm_run); if (r < 0) { local_irq_enable(); @@ -633,9 +643,8 @@ again: * But we need to prevent reordering, hence this barrier(): */ barrier(); - kvm_guest_exit(); - + up_read(&vcpu->kvm->slots_lock); preempt_enable(); r = kvm_handle_exit(kvm_run, vcpu); @@ -670,15 +679,16 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) vcpu_load(vcpu); + if (vcpu->sigset_active) + sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); + if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)) { kvm_vcpu_block(vcpu); - vcpu_put(vcpu); - return -EAGAIN; + clear_bit(KVM_REQ_UNHALT, &vcpu->requests); + r = -EAGAIN; + goto out; } - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); - if (vcpu->mmio_needed) { memcpy(vcpu->mmio_data, kvm_run->mmio.data, 8); kvm_set_mmio_data(vcpu); @@ -686,7 +696,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) vcpu->mmio_needed = 0; } r = __vcpu_run(vcpu, kvm_run); - +out: if (vcpu->sigset_active) sigprocmask(SIG_SETMASK, &sigsaved, NULL); @@ -694,27 +704,24 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return r; } -/* - * Allocate 16M memory for every vm to hold its specific data. - * Its memory map is defined in kvm_host.h. - */ static struct kvm *kvm_alloc_kvm(void) { struct kvm *kvm; uint64_t vm_base; + BUG_ON(sizeof(struct kvm) > KVM_VM_STRUCT_SIZE); + vm_base = __get_free_pages(GFP_KERNEL, get_order(KVM_VM_DATA_SIZE)); if (!vm_base) return ERR_PTR(-ENOMEM); - printk(KERN_DEBUG"kvm: VM data's base Address:0x%lx\n", vm_base); - /* Zero all pages before use! */ memset((void *)vm_base, 0, KVM_VM_DATA_SIZE); - - kvm = (struct kvm *)(vm_base + KVM_VM_OFS); + kvm = (struct kvm *)(vm_base + + offsetof(struct kvm_vm_data, kvm_vm_struct)); kvm->arch.vm_base = vm_base; + printk(KERN_DEBUG"kvm: vm's data area:0x%lx\n", vm_base); return kvm; } @@ -756,26 +763,21 @@ static void kvm_build_io_pmt(struct kvm *kvm) static void kvm_init_vm(struct kvm *kvm) { - long vm_base; - BUG_ON(!kvm); kvm->arch.metaphysical_rr0 = GUEST_PHYSICAL_RR0; kvm->arch.metaphysical_rr4 = GUEST_PHYSICAL_RR4; kvm->arch.vmm_init_rr = VMM_INIT_RR; - vm_base = kvm->arch.vm_base; - if (vm_base) { - kvm->arch.vhpt_base = vm_base + KVM_VHPT_OFS; - kvm->arch.vtlb_base = vm_base + KVM_VTLB_OFS; - kvm->arch.vpd_base = vm_base + KVM_VPD_OFS; - } - /* *Fill P2M entries for MMIO/IO ranges */ kvm_build_io_pmt(kvm); + INIT_LIST_HEAD(&kvm->arch.assigned_dev_head); + + /* Reserve bit 0 of irq_sources_bitmap for userspace irq source */ + set_bit(KVM_USERSPACE_IRQ_SOURCE_ID, &kvm->arch.irq_sources_bitmap); } struct kvm *kvm_arch_create_vm(void) @@ -830,9 +832,8 @@ static int kvm_vm_ioctl_set_irqchip(struct kvm *kvm, struct kvm_irqchip *chip) int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) { - int i; struct vpd *vpd = to_host(vcpu->kvm, vcpu->arch.vpd); - int r; + int i; vcpu_load(vcpu); @@ -849,18 +850,7 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) vpd->vpr = regs->vpd.vpr; - r = -EFAULT; - r = copy_from_user(&vcpu->arch.guest, regs->saved_guest, - sizeof(union context)); - if (r) - goto out; - r = copy_from_user(vcpu + 1, regs->saved_stack + - sizeof(struct kvm_vcpu), - IA64_STK_OFFSET - sizeof(struct kvm_vcpu)); - if (r) - goto out; - vcpu->arch.exit_data = - ((struct kvm_vcpu *)(regs->saved_stack))->arch.exit_data; + memcpy(&vcpu->arch.guest, ®s->saved_guest, sizeof(union context)); RESTORE_REGS(mp_state); RESTORE_REGS(vmm_rr); @@ -894,9 +884,8 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) set_bit(KVM_REQ_RESUME, &vcpu->requests); vcpu_put(vcpu); - r = 0; -out: - return r; + + return 0; } long kvm_arch_vm_ioctl(struct file *filp, @@ -930,6 +919,11 @@ long kvm_arch_vm_ioctl(struct file *filp, r = kvm_ioapic_init(kvm); if (r) goto out; + r = kvm_setup_default_irq_routing(kvm); + if (r) { + kfree(kvm->arch.vioapic); + goto out; + } break; case KVM_IRQ_LINE: { struct kvm_irq_level irq_event; @@ -939,9 +933,8 @@ long kvm_arch_vm_ioctl(struct file *filp, goto out; if (irqchip_in_kernel(kvm)) { mutex_lock(&kvm->lock); - kvm_ioapic_set_irq(kvm->arch.vioapic, - irq_event.irq, - irq_event.level); + kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, + irq_event.irq, irq_event.level); mutex_unlock(&kvm->lock); r = 0; } @@ -1112,7 +1105,7 @@ static void kvm_migrate_hlt_timer(struct kvm_vcpu *vcpu) struct hrtimer *p_ht = &vcpu->arch.hlt_timer; if (hrtimer_cancel(p_ht)) - hrtimer_start(p_ht, p_ht->expires, HRTIMER_MODE_ABS); + hrtimer_start_expires(p_ht, HRTIMER_MODE_ABS); } static enum hrtimer_restart hlt_timer_fn(struct hrtimer *data) @@ -1121,15 +1114,16 @@ static enum hrtimer_restart hlt_timer_fn(struct hrtimer *data) wait_queue_head_t *q; vcpu = container_of(data, struct kvm_vcpu, arch.hlt_timer); + q = &vcpu->wq; + if (vcpu->arch.mp_state != KVM_MP_STATE_HALTED) goto out; - q = &vcpu->wq; - if (waitqueue_active(q)) { - vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; + if (waitqueue_active(q)) wake_up_interruptible(q); - } + out: + vcpu->arch.timer_fired = 1; vcpu->arch.timer_check = 1; return HRTIMER_NORESTART; } @@ -1158,10 +1152,11 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) /*Set entry address for first run.*/ regs->cr_iip = PALE_RESET_ENTRY; - /*Initilize itc offset for vcpus*/ + /*Initialize itc offset for vcpus*/ itc_offset = 0UL - ia64_getreg(_IA64_REG_AR_ITC); - for (i = 0; i < MAX_VCPU_NUM; i++) { - v = (struct kvm_vcpu *)((char *)vcpu + VCPU_SIZE * i); + for (i = 0; i < KVM_MAX_VCPUS; i++) { + v = (struct kvm_vcpu *)((char *)vcpu + + sizeof(struct kvm_vcpu_data) * i); v->arch.itc_offset = itc_offset; v->arch.last_itc = 0; } @@ -1175,7 +1170,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) vcpu->arch.apic->vcpu = vcpu; p_ctx->gr[1] = 0; - p_ctx->gr[12] = (unsigned long)((char *)vmm_vcpu + IA64_STK_OFFSET); + p_ctx->gr[12] = (unsigned long)((char *)vmm_vcpu + KVM_STK_OFFSET); p_ctx->gr[13] = (unsigned long)vmm_vcpu; p_ctx->psr = 0x1008522000UL; p_ctx->ar[40] = FPSR_DEFAULT; /*fpsr*/ @@ -1210,12 +1205,12 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) vcpu->arch.hlt_timer.function = hlt_timer_fn; vcpu->arch.last_run_cpu = -1; - vcpu->arch.vpd = (struct vpd *)VPD_ADDR(vcpu->vcpu_id); + vcpu->arch.vpd = (struct vpd *)VPD_BASE(vcpu->vcpu_id); vcpu->arch.vsa_base = kvm_vsa_base; vcpu->arch.__gp = kvm_vmm_gp; vcpu->arch.dirty_log_lock_pa = __pa(&kvm->arch.dirty_log_lock); - vcpu->arch.vhpt.hash = (struct thash_data *)VHPT_ADDR(vcpu->vcpu_id); - vcpu->arch.vtlb.hash = (struct thash_data *)VTLB_ADDR(vcpu->vcpu_id); + vcpu->arch.vhpt.hash = (struct thash_data *)VHPT_BASE(vcpu->vcpu_id); + vcpu->arch.vtlb.hash = (struct thash_data *)VTLB_BASE(vcpu->vcpu_id); init_ptce_info(vcpu); r = 0; @@ -1253,6 +1248,7 @@ static int vti_vcpu_setup(struct kvm_vcpu *vcpu, int id) uninit: kvm_vcpu_uninit(vcpu); fail: + local_irq_restore(psr); return r; } @@ -1264,12 +1260,22 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, int r; int cpu; + BUG_ON(sizeof(struct kvm_vcpu) > VCPU_STRUCT_SIZE/2); + + r = -EINVAL; + if (id >= KVM_MAX_VCPUS) { + printk(KERN_ERR"kvm: Can't configure vcpus > %ld", + KVM_MAX_VCPUS); + goto fail; + } + r = -ENOMEM; if (!vm_base) { printk(KERN_ERR"kvm: Create vcpu[%d] error!\n", id); goto fail; } - vcpu = (struct kvm_vcpu *)(vm_base + KVM_VCPU_OFS + VCPU_SIZE * id); + vcpu = (struct kvm_vcpu *)(vm_base + offsetof(struct kvm_vm_data, + vcpu_data[id].vcpu_struct)); vcpu->kvm = kvm; cpu = get_cpu(); @@ -1302,8 +1308,8 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) return -EINVAL; } -int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu, - struct kvm_debug_guest *dbg) +int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, + struct kvm_guest_debug *dbg) { return -EINVAL; } @@ -1336,8 +1342,16 @@ static void kvm_release_vm_pages(struct kvm *kvm) } } +void kvm_arch_sync_events(struct kvm *kvm) +{ +} + void kvm_arch_destroy_vm(struct kvm *kvm) { + kvm_iommu_unmap_guest(kvm); +#ifdef KVM_CAP_DEVICE_ASSIGNMENT + kvm_free_all_assigned_devices(kvm); +#endif kfree(kvm->arch.vioapic); kvm_release_vm_pages(kvm); kvm_free_physmem(kvm); @@ -1361,9 +1375,9 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) { - int i; - int r; struct vpd *vpd = to_host(vcpu->kvm, vcpu->arch.vpd); + int i; + vcpu_load(vcpu); for (i = 0; i < 16; i++) { @@ -1378,14 +1392,8 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) regs->vpd.vpsr = vpd->vpsr; regs->vpd.vpr = vpd->vpr; - r = -EFAULT; - r = copy_to_user(regs->saved_guest, &vcpu->arch.guest, - sizeof(union context)); - if (r) - goto out; - r = copy_to_user(regs->saved_stack, (void *)vcpu, IA64_STK_OFFSET); - if (r) - goto out; + memcpy(®s->saved_guest, &vcpu->arch.guest, sizeof(union context)); + SAVE_REGS(mp_state); SAVE_REGS(vmm_rr); memcpy(regs->itrs, vcpu->arch.itrs, sizeof(struct thash_data) * NITRS); @@ -1413,10 +1421,26 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) SAVE_REGS(metaphysical_saved_rr4); SAVE_REGS(fp_psr); SAVE_REGS(saved_gp); + vcpu_put(vcpu); - r = 0; -out: - return r; + return 0; +} + +int kvm_arch_vcpu_ioctl_get_stack(struct kvm_vcpu *vcpu, + struct kvm_ia64_vcpu_stack *stack) +{ + memcpy(stack, vcpu, sizeof(struct kvm_ia64_vcpu_stack)); + return 0; +} + +int kvm_arch_vcpu_ioctl_set_stack(struct kvm_vcpu *vcpu, + struct kvm_ia64_vcpu_stack *stack) +{ + memcpy(vcpu + 1, &stack->stack[0] + sizeof(struct kvm_vcpu), + sizeof(struct kvm_ia64_vcpu_stack) - sizeof(struct kvm_vcpu)); + + vcpu->arch.exit_data = ((struct kvm_vcpu *)stack)->arch.exit_data; + return 0; } void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) @@ -1428,9 +1452,78 @@ void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) long kvm_arch_vcpu_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) + unsigned int ioctl, unsigned long arg) { - return -EINVAL; + struct kvm_vcpu *vcpu = filp->private_data; + void __user *argp = (void __user *)arg; + struct kvm_ia64_vcpu_stack *stack = NULL; + long r; + + switch (ioctl) { + case KVM_IA64_VCPU_GET_STACK: { + struct kvm_ia64_vcpu_stack __user *user_stack; + void __user *first_p = argp; + + r = -EFAULT; + if (copy_from_user(&user_stack, first_p, sizeof(void *))) + goto out; + + if (!access_ok(VERIFY_WRITE, user_stack, + sizeof(struct kvm_ia64_vcpu_stack))) { + printk(KERN_INFO "KVM_IA64_VCPU_GET_STACK: " + "Illegal user destination address for stack\n"); + goto out; + } + stack = kzalloc(sizeof(struct kvm_ia64_vcpu_stack), GFP_KERNEL); + if (!stack) { + r = -ENOMEM; + goto out; + } + + r = kvm_arch_vcpu_ioctl_get_stack(vcpu, stack); + if (r) + goto out; + + if (copy_to_user(user_stack, stack, + sizeof(struct kvm_ia64_vcpu_stack))) + goto out; + + break; + } + case KVM_IA64_VCPU_SET_STACK: { + struct kvm_ia64_vcpu_stack __user *user_stack; + void __user *first_p = argp; + + r = -EFAULT; + if (copy_from_user(&user_stack, first_p, sizeof(void *))) + goto out; + + if (!access_ok(VERIFY_READ, user_stack, + sizeof(struct kvm_ia64_vcpu_stack))) { + printk(KERN_INFO "KVM_IA64_VCPU_SET_STACK: " + "Illegal user address for stack\n"); + goto out; + } + stack = kmalloc(sizeof(struct kvm_ia64_vcpu_stack), GFP_KERNEL); + if (!stack) { + r = -ENOMEM; + goto out; + } + if (copy_from_user(stack, user_stack, + sizeof(struct kvm_ia64_vcpu_stack))) + goto out; + + r = kvm_arch_vcpu_ioctl_set_stack(vcpu, stack); + break; + } + + default: + r = -EINVAL; + } + +out: + kfree(stack); + return r; } int kvm_arch_set_memory_region(struct kvm *kvm, @@ -1439,25 +1532,38 @@ int kvm_arch_set_memory_region(struct kvm *kvm, int user_alloc) { unsigned long i; - struct page *page; + unsigned long pfn; int npages = mem->memory_size >> PAGE_SHIFT; struct kvm_memory_slot *memslot = &kvm->memslots[mem->slot]; unsigned long base_gfn = memslot->base_gfn; + if (base_gfn + npages > (KVM_MAX_MEM_SIZE >> PAGE_SHIFT)) + return -ENOMEM; + for (i = 0; i < npages; i++) { - page = gfn_to_page(kvm, base_gfn + i); - kvm_set_pmt_entry(kvm, base_gfn + i, - page_to_pfn(page) << PAGE_SHIFT, - _PAGE_AR_RWX|_PAGE_MA_WB); - memslot->rmap[i] = (unsigned long)page; + pfn = gfn_to_pfn(kvm, base_gfn + i); + if (!kvm_is_mmio_pfn(pfn)) { + kvm_set_pmt_entry(kvm, base_gfn + i, + pfn << PAGE_SHIFT, + _PAGE_AR_RWX | _PAGE_MA_WB); + memslot->rmap[i] = (unsigned long)pfn_to_page(pfn); + } else { + kvm_set_pmt_entry(kvm, base_gfn + i, + GPFN_PHYS_MMIO | (pfn << PAGE_SHIFT), + _PAGE_MA_UC); + memslot->rmap[i] = 0; + } } return 0; } +void kvm_arch_flush_shadow(struct kvm *kvm) +{ +} long kvm_arch_dev_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) + unsigned int ioctl, unsigned long arg) { return -EINVAL; } @@ -1608,8 +1714,8 @@ static int kvm_ia64_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot; int r, i; long n, base; - unsigned long *dirty_bitmap = (unsigned long *)((void *)kvm - KVM_VM_OFS - + KVM_MEM_DIRTY_LOG_OFS); + unsigned long *dirty_bitmap = (unsigned long *)(kvm->arch.vm_base + + offsetof(struct kvm_vm_data, kvm_mem_dirty_log)); r = -EINVAL; if (log->slot >= KVM_MEMORY_SLOTS) @@ -1683,12 +1789,14 @@ static void vcpu_kick_intr(void *info) void kvm_vcpu_kick(struct kvm_vcpu *vcpu) { int ipi_pcpu = vcpu->cpu; + int cpu = get_cpu(); if (waitqueue_active(&vcpu->wq)) wake_up_interruptible(&vcpu->wq); - if (vcpu->guest_mode) + if (vcpu->guest_mode && cpu != ipi_pcpu) smp_call_function_single(ipi_pcpu, vcpu_kick_intr, vcpu, 0); + put_cpu(); } int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig) @@ -1698,13 +1806,7 @@ int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig) if (!test_and_set_bit(vec, &vpd->irr[0])) { vcpu->arch.irq_new_pending = 1; - if (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE) - kvm_vcpu_kick(vcpu); - else if (vcpu->arch.mp_state == KVM_MP_STATE_HALTED) { - vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; - if (waitqueue_active(&vcpu->wq)) - wake_up_interruptible(&vcpu->wq); - } + kvm_vcpu_kick(vcpu); return 1; } return 0; @@ -1774,7 +1876,7 @@ int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu) int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu) { - return 0; + return vcpu->arch.timer_fired; } gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn) @@ -1790,11 +1892,43 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, struct kvm_mp_state *mp_state) { - return -EINVAL; + vcpu_load(vcpu); + mp_state->mp_state = vcpu->arch.mp_state; + vcpu_put(vcpu); + return 0; +} + +static int vcpu_reset(struct kvm_vcpu *vcpu) +{ + int r; + long psr; + local_irq_save(psr); + r = kvm_insert_vmm_mapping(vcpu); + if (r) + goto fail; + + vcpu->arch.launched = 0; + kvm_arch_vcpu_uninit(vcpu); + r = kvm_arch_vcpu_init(vcpu); + if (r) + goto fail; + + kvm_purge_vmm_mapping(vcpu); + r = 0; +fail: + local_irq_restore(psr); + return r; } int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, struct kvm_mp_state *mp_state) { - return -EINVAL; + int r = 0; + + vcpu_load(vcpu); + vcpu->arch.mp_state = mp_state->mp_state; + if (vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED) + r = vcpu_reset(vcpu); + vcpu_put(vcpu); + return r; }