diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2013-02-05 16:36:44 +0100 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2013-04-08 18:13:16 +0200 |
commit | 54976b75fb159ca175636b7fef1cd08130cb662f (patch) | |
tree | 825d527717fabf9b80e3ef4eb7d37ed6872750ff /hw/kvm/apic.c | |
parent | 0434e30afb6175212389811e0b28b948eb3c1e40 (diff) | |
download | qemu-54976b75fb159ca175636b7fef1cd08130cb662f.zip qemu-54976b75fb159ca175636b7fef1cd08130cb662f.tar.gz qemu-54976b75fb159ca175636b7fef1cd08130cb662f.tar.bz2 |
hw: move hw/kvm/ to hw/i386/kvm
Peter requested the KVM GIC to be in hw/intc.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/kvm/apic.c')
-rw-r--r-- | hw/kvm/apic.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/hw/kvm/apic.c b/hw/kvm/apic.c deleted file mode 100644 index c6ff982..0000000 --- a/hw/kvm/apic.c +++ /dev/null @@ -1,209 +0,0 @@ -/* - * KVM in-kernel APIC support - * - * Copyright (c) 2011 Siemens AG - * - * Authors: - * Jan Kiszka <jan.kiszka@siemens.com> - * - * This work is licensed under the terms of the GNU GPL version 2. - * See the COPYING file in the top-level directory. - */ -#include "hw/i386/apic_internal.h" -#include "hw/pci/msi.h" -#include "sysemu/kvm.h" - -static inline void kvm_apic_set_reg(struct kvm_lapic_state *kapic, - int reg_id, uint32_t val) -{ - *((uint32_t *)(kapic->regs + (reg_id << 4))) = val; -} - -static inline uint32_t kvm_apic_get_reg(struct kvm_lapic_state *kapic, - int reg_id) -{ - return *((uint32_t *)(kapic->regs + (reg_id << 4))); -} - -void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic) -{ - APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d); - int i; - - memset(kapic, 0, sizeof(*kapic)); - kvm_apic_set_reg(kapic, 0x2, s->id << 24); - kvm_apic_set_reg(kapic, 0x8, s->tpr); - kvm_apic_set_reg(kapic, 0xd, s->log_dest << 24); - kvm_apic_set_reg(kapic, 0xe, s->dest_mode << 28 | 0x0fffffff); - kvm_apic_set_reg(kapic, 0xf, s->spurious_vec); - for (i = 0; i < 8; i++) { - kvm_apic_set_reg(kapic, 0x10 + i, s->isr[i]); - kvm_apic_set_reg(kapic, 0x18 + i, s->tmr[i]); - kvm_apic_set_reg(kapic, 0x20 + i, s->irr[i]); - } - kvm_apic_set_reg(kapic, 0x28, s->esr); - kvm_apic_set_reg(kapic, 0x30, s->icr[0]); - kvm_apic_set_reg(kapic, 0x31, s->icr[1]); - for (i = 0; i < APIC_LVT_NB; i++) { - kvm_apic_set_reg(kapic, 0x32 + i, s->lvt[i]); - } - kvm_apic_set_reg(kapic, 0x38, s->initial_count); - kvm_apic_set_reg(kapic, 0x3e, s->divide_conf); -} - -void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic) -{ - APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d); - int i, v; - - s->id = kvm_apic_get_reg(kapic, 0x2) >> 24; - s->tpr = kvm_apic_get_reg(kapic, 0x8); - s->arb_id = kvm_apic_get_reg(kapic, 0x9); - s->log_dest = kvm_apic_get_reg(kapic, 0xd) >> 24; - s->dest_mode = kvm_apic_get_reg(kapic, 0xe) >> 28; - s->spurious_vec = kvm_apic_get_reg(kapic, 0xf); - for (i = 0; i < 8; i++) { - s->isr[i] = kvm_apic_get_reg(kapic, 0x10 + i); - s->tmr[i] = kvm_apic_get_reg(kapic, 0x18 + i); - s->irr[i] = kvm_apic_get_reg(kapic, 0x20 + i); - } - s->esr = kvm_apic_get_reg(kapic, 0x28); - s->icr[0] = kvm_apic_get_reg(kapic, 0x30); - s->icr[1] = kvm_apic_get_reg(kapic, 0x31); - for (i = 0; i < APIC_LVT_NB; i++) { - s->lvt[i] = kvm_apic_get_reg(kapic, 0x32 + i); - } - s->initial_count = kvm_apic_get_reg(kapic, 0x38); - s->divide_conf = kvm_apic_get_reg(kapic, 0x3e); - - v = (s->divide_conf & 3) | ((s->divide_conf >> 1) & 4); - s->count_shift = (v + 1) & 7; - - s->initial_count_load_time = qemu_get_clock_ns(vm_clock); - apic_next_timer(s, s->initial_count_load_time); -} - -static void kvm_apic_set_base(APICCommonState *s, uint64_t val) -{ - s->apicbase = val; -} - -static void kvm_apic_set_tpr(APICCommonState *s, uint8_t val) -{ - s->tpr = (val & 0x0f) << 4; -} - -static uint8_t kvm_apic_get_tpr(APICCommonState *s) -{ - return s->tpr >> 4; -} - -static void kvm_apic_enable_tpr_reporting(APICCommonState *s, bool enable) -{ - struct kvm_tpr_access_ctl ctl = { - .enabled = enable - }; - - kvm_vcpu_ioctl(CPU(s->cpu), KVM_TPR_ACCESS_REPORTING, &ctl); -} - -static void kvm_apic_vapic_base_update(APICCommonState *s) -{ - struct kvm_vapic_addr vapid_addr = { - .vapic_addr = s->vapic_paddr, - }; - int ret; - - ret = kvm_vcpu_ioctl(CPU(s->cpu), KVM_SET_VAPIC_ADDR, &vapid_addr); - if (ret < 0) { - fprintf(stderr, "KVM: setting VAPIC address failed (%s)\n", - strerror(-ret)); - abort(); - } -} - -static void do_inject_external_nmi(void *data) -{ - APICCommonState *s = data; - CPUState *cpu = CPU(s->cpu); - uint32_t lvt; - int ret; - - cpu_synchronize_state(&s->cpu->env); - - lvt = s->lvt[APIC_LVT_LINT1]; - if (!(lvt & APIC_LVT_MASKED) && ((lvt >> 8) & 7) == APIC_DM_NMI) { - ret = kvm_vcpu_ioctl(cpu, KVM_NMI); - if (ret < 0) { - fprintf(stderr, "KVM: injection failed, NMI lost (%s)\n", - strerror(-ret)); - } - } -} - -static void kvm_apic_external_nmi(APICCommonState *s) -{ - run_on_cpu(CPU(s->cpu), do_inject_external_nmi, s); -} - -static uint64_t kvm_apic_mem_read(void *opaque, hwaddr addr, - unsigned size) -{ - return ~(uint64_t)0; -} - -static void kvm_apic_mem_write(void *opaque, hwaddr addr, - uint64_t data, unsigned size) -{ - MSIMessage msg = { .address = addr, .data = data }; - int ret; - - ret = kvm_irqchip_send_msi(kvm_state, msg); - if (ret < 0) { - fprintf(stderr, "KVM: injection failed, MSI lost (%s)\n", - strerror(-ret)); - } -} - -static const MemoryRegionOps kvm_apic_io_ops = { - .read = kvm_apic_mem_read, - .write = kvm_apic_mem_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static void kvm_apic_init(APICCommonState *s) -{ - memory_region_init_io(&s->io_memory, &kvm_apic_io_ops, s, "kvm-apic-msi", - MSI_SPACE_SIZE); - - if (kvm_has_gsi_routing()) { - msi_supported = true; - } -} - -static void kvm_apic_class_init(ObjectClass *klass, void *data) -{ - APICCommonClass *k = APIC_COMMON_CLASS(klass); - - k->init = kvm_apic_init; - k->set_base = kvm_apic_set_base; - k->set_tpr = kvm_apic_set_tpr; - k->get_tpr = kvm_apic_get_tpr; - k->enable_tpr_reporting = kvm_apic_enable_tpr_reporting; - k->vapic_base_update = kvm_apic_vapic_base_update; - k->external_nmi = kvm_apic_external_nmi; -} - -static const TypeInfo kvm_apic_info = { - .name = "kvm-apic", - .parent = TYPE_APIC_COMMON, - .instance_size = sizeof(APICCommonState), - .class_init = kvm_apic_class_init, -}; - -static void kvm_apic_register_types(void) -{ - type_register_static(&kvm_apic_info); -} - -type_init(kvm_apic_register_types) |