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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/intc/apic_common.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/intc/apic_common.c')
-rw-r--r--qemu/hw/intc/apic_common.c451
1 files changed, 0 insertions, 451 deletions
diff --git a/qemu/hw/intc/apic_common.c b/qemu/hw/intc/apic_common.c
deleted file mode 100644
index 4abe145c6..000000000
--- a/qemu/hw/intc/apic_common.c
+++ /dev/null
@@ -1,451 +0,0 @@
-/*
- * APIC support - common bits of emulated and KVM kernel model
- *
- * Copyright (c) 2004-2005 Fabrice Bellard
- * Copyright (c) 2011 Jan Kiszka, Siemens AG
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>
- */
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "hw/i386/apic.h"
-#include "hw/i386/apic_internal.h"
-#include "trace.h"
-#include "sysemu/kvm.h"
-#include "hw/qdev.h"
-#include "hw/sysbus.h"
-
-static int apic_irq_delivered;
-bool apic_report_tpr_access;
-
-void cpu_set_apic_base(DeviceState *dev, uint64_t val)
-{
- trace_cpu_set_apic_base(val);
-
- if (dev) {
- APICCommonState *s = APIC_COMMON(dev);
- APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
- info->set_base(s, val);
- }
-}
-
-uint64_t cpu_get_apic_base(DeviceState *dev)
-{
- if (dev) {
- APICCommonState *s = APIC_COMMON(dev);
- trace_cpu_get_apic_base((uint64_t)s->apicbase);
- return s->apicbase;
- } else {
- trace_cpu_get_apic_base(MSR_IA32_APICBASE_BSP);
- return MSR_IA32_APICBASE_BSP;
- }
-}
-
-void cpu_set_apic_tpr(DeviceState *dev, uint8_t val)
-{
- APICCommonState *s;
- APICCommonClass *info;
-
- if (!dev) {
- return;
- }
-
- s = APIC_COMMON(dev);
- info = APIC_COMMON_GET_CLASS(s);
-
- info->set_tpr(s, val);
-}
-
-uint8_t cpu_get_apic_tpr(DeviceState *dev)
-{
- APICCommonState *s;
- APICCommonClass *info;
-
- if (!dev) {
- return 0;
- }
-
- s = APIC_COMMON(dev);
- info = APIC_COMMON_GET_CLASS(s);
-
- return info->get_tpr(s);
-}
-
-void apic_enable_tpr_access_reporting(DeviceState *dev, bool enable)
-{
- APICCommonState *s = APIC_COMMON(dev);
- APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
-
- apic_report_tpr_access = enable;
- if (info->enable_tpr_reporting) {
- info->enable_tpr_reporting(s, enable);
- }
-}
-
-void apic_enable_vapic(DeviceState *dev, hwaddr paddr)
-{
- APICCommonState *s = APIC_COMMON(dev);
- APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
-
- s->vapic_paddr = paddr;
- info->vapic_base_update(s);
-}
-
-void apic_handle_tpr_access_report(DeviceState *dev, target_ulong ip,
- TPRAccess access)
-{
- APICCommonState *s = APIC_COMMON(dev);
-
- vapic_report_tpr_access(s->vapic, CPU(s->cpu), ip, access);
-}
-
-void apic_report_irq_delivered(int delivered)
-{
- apic_irq_delivered += delivered;
-
- trace_apic_report_irq_delivered(apic_irq_delivered);
-}
-
-void apic_reset_irq_delivered(void)
-{
- /* Copy this into a local variable to encourage gcc to emit a plain
- * register for a sys/sdt.h marker. For details on this workaround, see:
- * https://sourceware.org/bugzilla/show_bug.cgi?id=13296
- */
- volatile int a_i_d = apic_irq_delivered;
- trace_apic_reset_irq_delivered(a_i_d);
-
- apic_irq_delivered = 0;
-}
-
-int apic_get_irq_delivered(void)
-{
- trace_apic_get_irq_delivered(apic_irq_delivered);
-
- return apic_irq_delivered;
-}
-
-void apic_deliver_nmi(DeviceState *dev)
-{
- APICCommonState *s = APIC_COMMON(dev);
- APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
-
- info->external_nmi(s);
-}
-
-bool apic_next_timer(APICCommonState *s, int64_t current_time)
-{
- int64_t d;
-
- /* We need to store the timer state separately to support APIC
- * implementations that maintain a non-QEMU timer, e.g. inside the
- * host kernel. This open-coded state allows us to migrate between
- * both models. */
- s->timer_expiry = -1;
-
- if (s->lvt[APIC_LVT_TIMER] & APIC_LVT_MASKED) {
- return false;
- }
-
- d = (current_time - s->initial_count_load_time) >> s->count_shift;
-
- if (s->lvt[APIC_LVT_TIMER] & APIC_LVT_TIMER_PERIODIC) {
- if (!s->initial_count) {
- return false;
- }
- d = ((d / ((uint64_t)s->initial_count + 1)) + 1) *
- ((uint64_t)s->initial_count + 1);
- } else {
- if (d >= s->initial_count) {
- return false;
- }
- d = (uint64_t)s->initial_count + 1;
- }
- s->next_time = s->initial_count_load_time + (d << s->count_shift);
- s->timer_expiry = s->next_time;
- return true;
-}
-
-void apic_init_reset(DeviceState *dev)
-{
- APICCommonState *s;
- APICCommonClass *info;
- int i;
-
- if (!dev) {
- return;
- }
- s = APIC_COMMON(dev);
- s->tpr = 0;
- s->spurious_vec = 0xff;
- s->log_dest = 0;
- s->dest_mode = 0xf;
- memset(s->isr, 0, sizeof(s->isr));
- memset(s->tmr, 0, sizeof(s->tmr));
- memset(s->irr, 0, sizeof(s->irr));
- for (i = 0; i < APIC_LVT_NB; i++) {
- s->lvt[i] = APIC_LVT_MASKED;
- }
- s->esr = 0;
- memset(s->icr, 0, sizeof(s->icr));
- s->divide_conf = 0;
- s->count_shift = 0;
- s->initial_count = 0;
- s->initial_count_load_time = 0;
- s->next_time = 0;
- s->wait_for_sipi = !cpu_is_bsp(s->cpu);
-
- if (s->timer) {
- timer_del(s->timer);
- }
- s->timer_expiry = -1;
-
- info = APIC_COMMON_GET_CLASS(s);
- if (info->reset) {
- info->reset(s);
- }
-}
-
-void apic_designate_bsp(DeviceState *dev, bool bsp)
-{
- if (dev == NULL) {
- return;
- }
-
- APICCommonState *s = APIC_COMMON(dev);
- if (bsp) {
- s->apicbase |= MSR_IA32_APICBASE_BSP;
- } else {
- s->apicbase &= ~MSR_IA32_APICBASE_BSP;
- }
-}
-
-static void apic_reset_common(DeviceState *dev)
-{
- APICCommonState *s = APIC_COMMON(dev);
- APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
- uint32_t bsp;
-
- bsp = s->apicbase & MSR_IA32_APICBASE_BSP;
- s->apicbase = APIC_DEFAULT_ADDRESS | bsp | MSR_IA32_APICBASE_ENABLE;
-
- s->vapic_paddr = 0;
- info->vapic_base_update(s);
-
- apic_init_reset(dev);
-}
-
-/* This function is only used for old state version 1 and 2 */
-static int apic_load_old(QEMUFile *f, void *opaque, int version_id)
-{
- APICCommonState *s = opaque;
- APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
- int i;
-
- if (version_id > 2) {
- return -EINVAL;
- }
-
- /* XXX: what if the base changes? (registered memory regions) */
- qemu_get_be32s(f, &s->apicbase);
- qemu_get_8s(f, &s->id);
- qemu_get_8s(f, &s->arb_id);
- qemu_get_8s(f, &s->tpr);
- qemu_get_be32s(f, &s->spurious_vec);
- qemu_get_8s(f, &s->log_dest);
- qemu_get_8s(f, &s->dest_mode);
- for (i = 0; i < 8; i++) {
- qemu_get_be32s(f, &s->isr[i]);
- qemu_get_be32s(f, &s->tmr[i]);
- qemu_get_be32s(f, &s->irr[i]);
- }
- for (i = 0; i < APIC_LVT_NB; i++) {
- qemu_get_be32s(f, &s->lvt[i]);
- }
- qemu_get_be32s(f, &s->esr);
- qemu_get_be32s(f, &s->icr[0]);
- qemu_get_be32s(f, &s->icr[1]);
- qemu_get_be32s(f, &s->divide_conf);
- s->count_shift = qemu_get_be32(f);
- qemu_get_be32s(f, &s->initial_count);
- s->initial_count_load_time = qemu_get_be64(f);
- s->next_time = qemu_get_be64(f);
-
- if (version_id >= 2) {
- s->timer_expiry = qemu_get_be64(f);
- }
-
- if (info->post_load) {
- info->post_load(s);
- }
- return 0;
-}
-
-static void apic_common_realize(DeviceState *dev, Error **errp)
-{
- APICCommonState *s = APIC_COMMON(dev);
- APICCommonClass *info;
- static DeviceState *vapic;
- static int apic_no;
-
- if (apic_no >= MAX_APICS) {
- error_setg(errp, "%s initialization failed.",
- object_get_typename(OBJECT(dev)));
- return;
- }
- s->idx = apic_no++;
-
- info = APIC_COMMON_GET_CLASS(s);
- info->realize(dev, errp);
-
- /* Note: We need at least 1M to map the VAPIC option ROM */
- if (!vapic && s->vapic_control & VAPIC_ENABLE_MASK &&
- ram_size >= 1024 * 1024) {
- vapic = sysbus_create_simple("kvmvapic", -1, NULL);
- }
- s->vapic = vapic;
- if (apic_report_tpr_access && info->enable_tpr_reporting) {
- info->enable_tpr_reporting(s, true);
- }
-
-}
-
-static int apic_pre_load(void *opaque)
-{
- APICCommonState *s = APIC_COMMON(opaque);
-
- /* The default is !cpu_is_bsp(s->cpu), but the common value is 0
- * so that's what apic_common_sipi_needed checks for. Reset to
- * the value that is assumed when the apic_sipi subsection is
- * absent.
- */
- s->wait_for_sipi = 0;
- return 0;
-}
-
-static void apic_dispatch_pre_save(void *opaque)
-{
- APICCommonState *s = APIC_COMMON(opaque);
- APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
-
- if (info->pre_save) {
- info->pre_save(s);
- }
-}
-
-static int apic_dispatch_post_load(void *opaque, int version_id)
-{
- APICCommonState *s = APIC_COMMON(opaque);
- APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
-
- if (info->post_load) {
- info->post_load(s);
- }
- return 0;
-}
-
-static bool apic_common_sipi_needed(void *opaque)
-{
- APICCommonState *s = APIC_COMMON(opaque);
- return s->wait_for_sipi != 0;
-}
-
-static const VMStateDescription vmstate_apic_common_sipi = {
- .name = "apic_sipi",
- .version_id = 1,
- .minimum_version_id = 1,
- .needed = apic_common_sipi_needed,
- .fields = (VMStateField[]) {
- VMSTATE_INT32(sipi_vector, APICCommonState),
- VMSTATE_INT32(wait_for_sipi, APICCommonState),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static const VMStateDescription vmstate_apic_common = {
- .name = "apic",
- .version_id = 3,
- .minimum_version_id = 3,
- .minimum_version_id_old = 1,
- .load_state_old = apic_load_old,
- .pre_load = apic_pre_load,
- .pre_save = apic_dispatch_pre_save,
- .post_load = apic_dispatch_post_load,
- .fields = (VMStateField[]) {
- VMSTATE_UINT32(apicbase, APICCommonState),
- VMSTATE_UINT8(id, APICCommonState),
- VMSTATE_UINT8(arb_id, APICCommonState),
- VMSTATE_UINT8(tpr, APICCommonState),
- VMSTATE_UINT32(spurious_vec, APICCommonState),
- VMSTATE_UINT8(log_dest, APICCommonState),
- VMSTATE_UINT8(dest_mode, APICCommonState),
- VMSTATE_UINT32_ARRAY(isr, APICCommonState, 8),
- VMSTATE_UINT32_ARRAY(tmr, APICCommonState, 8),
- VMSTATE_UINT32_ARRAY(irr, APICCommonState, 8),
- VMSTATE_UINT32_ARRAY(lvt, APICCommonState, APIC_LVT_NB),
- VMSTATE_UINT32(esr, APICCommonState),
- VMSTATE_UINT32_ARRAY(icr, APICCommonState, 2),
- VMSTATE_UINT32(divide_conf, APICCommonState),
- VMSTATE_INT32(count_shift, APICCommonState),
- VMSTATE_UINT32(initial_count, APICCommonState),
- VMSTATE_INT64(initial_count_load_time, APICCommonState),
- VMSTATE_INT64(next_time, APICCommonState),
- VMSTATE_INT64(timer_expiry,
- APICCommonState), /* open-coded timer state */
- VMSTATE_END_OF_LIST()
- },
- .subsections = (const VMStateDescription*[]) {
- &vmstate_apic_common_sipi,
- NULL
- }
-};
-
-static Property apic_properties_common[] = {
- DEFINE_PROP_UINT8("id", APICCommonState, id, -1),
- DEFINE_PROP_UINT8("version", APICCommonState, version, 0x14),
- DEFINE_PROP_BIT("vapic", APICCommonState, vapic_control, VAPIC_ENABLE_BIT,
- true),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void apic_common_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
-
- dc->vmsd = &vmstate_apic_common;
- dc->reset = apic_reset_common;
- dc->props = apic_properties_common;
- dc->realize = apic_common_realize;
- /*
- * Reason: APIC and CPU need to be wired up by
- * x86_cpu_apic_create()
- */
- dc->cannot_instantiate_with_device_add_yet = true;
-}
-
-static const TypeInfo apic_common_type = {
- .name = TYPE_APIC_COMMON,
- .parent = TYPE_DEVICE,
- .instance_size = sizeof(APICCommonState),
- .class_size = sizeof(APICCommonClass),
- .class_init = apic_common_class_init,
- .abstract = true,
-};
-
-static void apic_common_register_types(void)
-{
- type_register_static(&apic_common_type);
-}
-
-type_init(apic_common_register_types)