diff options
Diffstat (limited to 'qemu/target-i386/hyperv.c')
| -rw-r--r-- | qemu/target-i386/hyperv.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/qemu/target-i386/hyperv.c b/qemu/target-i386/hyperv.c deleted file mode 100644 index 39a230f11..000000000 --- a/qemu/target-i386/hyperv.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * QEMU KVM Hyper-V support - * - * Copyright (C) 2015 Andrey Smetanin <asmetanin@virtuozzo.com> - * - * Authors: - * Andrey Smetanin <asmetanin@virtuozzo.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - * - */ - -#include "qemu/osdep.h" -#include "hyperv.h" -#include "standard-headers/asm-x86/hyperv.h" - -int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exit *exit) -{ - CPUX86State *env = &cpu->env; - - switch (exit->type) { - case KVM_EXIT_HYPERV_SYNIC: - if (!cpu->hyperv_synic) { - return -1; - } - - /* - * For now just track changes in SynIC control and msg/evt pages msr's. - * When SynIC messaging/events processing will be added in future - * here we will do messages queues flushing and pages remapping. - */ - switch (exit->u.synic.msr) { - case HV_X64_MSR_SCONTROL: - env->msr_hv_synic_control = exit->u.synic.control; - break; - case HV_X64_MSR_SIMP: - env->msr_hv_synic_msg_page = exit->u.synic.msg_page; - break; - case HV_X64_MSR_SIEFP: - env->msr_hv_synic_evt_page = exit->u.synic.evt_page; - break; - default: - return -1; - } - return 0; - case KVM_EXIT_HYPERV_HCALL: { - uint16_t code; - - code = exit->u.hcall.input & 0xffff; - switch (code) { - case HVCALL_POST_MESSAGE: - case HVCALL_SIGNAL_EVENT: - default: - exit->u.hcall.result = HV_STATUS_INVALID_HYPERCALL_CODE; - return 0; - } - } - default: - return -1; - } -} - -static void kvm_hv_sint_ack_handler(EventNotifier *notifier) -{ - HvSintRoute *sint_route = container_of(notifier, HvSintRoute, - sint_ack_notifier); - event_notifier_test_and_clear(notifier); - if (sint_route->sint_ack_clb) { - sint_route->sint_ack_clb(sint_route); - } -} - -HvSintRoute *kvm_hv_sint_route_create(uint32_t vcpu_id, uint32_t sint, - HvSintAckClb sint_ack_clb) -{ - HvSintRoute *sint_route; - int r, gsi; - - sint_route = g_malloc0(sizeof(*sint_route)); - r = event_notifier_init(&sint_route->sint_set_notifier, false); - if (r) { - goto err; - } - - r = event_notifier_init(&sint_route->sint_ack_notifier, false); - if (r) { - goto err_sint_set_notifier; - } - - event_notifier_set_handler(&sint_route->sint_ack_notifier, false, - kvm_hv_sint_ack_handler); - - gsi = kvm_irqchip_add_hv_sint_route(kvm_state, vcpu_id, sint); - if (gsi < 0) { - goto err_gsi; - } - - r = kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, - &sint_route->sint_set_notifier, - &sint_route->sint_ack_notifier, gsi); - if (r) { - goto err_irqfd; - } - sint_route->gsi = gsi; - sint_route->sint_ack_clb = sint_ack_clb; - sint_route->vcpu_id = vcpu_id; - sint_route->sint = sint; - - return sint_route; - -err_irqfd: - kvm_irqchip_release_virq(kvm_state, gsi); -err_gsi: - event_notifier_set_handler(&sint_route->sint_ack_notifier, false, NULL); - event_notifier_cleanup(&sint_route->sint_ack_notifier); -err_sint_set_notifier: - event_notifier_cleanup(&sint_route->sint_set_notifier); -err: - g_free(sint_route); - - return NULL; -} - -void kvm_hv_sint_route_destroy(HvSintRoute *sint_route) -{ - kvm_irqchip_remove_irqfd_notifier_gsi(kvm_state, - &sint_route->sint_set_notifier, - sint_route->gsi); - kvm_irqchip_release_virq(kvm_state, sint_route->gsi); - event_notifier_set_handler(&sint_route->sint_ack_notifier, false, NULL); - event_notifier_cleanup(&sint_route->sint_ack_notifier); - event_notifier_cleanup(&sint_route->sint_set_notifier); - g_free(sint_route); -} - -int kvm_hv_sint_route_set_sint(HvSintRoute *sint_route) -{ - return event_notifier_set(&sint_route->sint_set_notifier); -} |