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/*
* QEMU MSHV support
*
* Copyright Microsoft, Corp. 2025
*
* Authors: Ziqiao Zhou <ziqiaozhou@microsoft.com>
* Magnus Kulke <magnuskulke@microsoft.com>
* Jinank Jain <jinankjain@microsoft.com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
*/
#ifndef QEMU_MSHV_H
#define QEMU_MSHV_H
#include "qemu/osdep.h"
#include "qemu/accel.h"
#include "hw/hyperv/hyperv-proto.h"
#include "hw/hyperv/hvhdk.h"
#include "hw/hyperv/hvgdk_mini.h"
#include "qapi/qapi-types-common.h"
#include "system/memory.h"
#include "accel/accel-ops.h"
#ifdef COMPILING_PER_TARGET
#ifdef CONFIG_MSHV
#include <linux/mshv.h>
#define CONFIG_MSHV_IS_POSSIBLE
#endif
#else
#define CONFIG_MSHV_IS_POSSIBLE
#endif
#define MSHV_MAX_MSI_ROUTES 4096
#define MSHV_PAGE_SHIFT 12
#ifdef CONFIG_MSHV_IS_POSSIBLE
extern bool mshv_allowed;
#define mshv_enabled() (mshv_allowed)
#define mshv_msi_via_irqfd_enabled() mshv_enabled()
#else /* CONFIG_MSHV_IS_POSSIBLE */
#define mshv_enabled() false
#define mshv_msi_via_irqfd_enabled() mshv_enabled()
#endif
typedef struct MshvState MshvState;
extern MshvState *mshv_state;
/* interrupt */
int mshv_request_interrupt(MshvState *mshv_state, uint32_t interrupt_type, uint32_t vector,
uint32_t vp_index, bool logical_destination_mode,
bool level_triggered);
int mshv_irqchip_add_msi_route(int vector, PCIDevice *dev);
int mshv_irqchip_update_msi_route(int virq, MSIMessage msg, PCIDevice *dev);
void mshv_irqchip_commit_routes(void);
void mshv_irqchip_release_virq(int virq);
int mshv_irqchip_add_irqfd_notifier_gsi(const EventNotifier *n,
const EventNotifier *rn, int virq);
int mshv_irqchip_remove_irqfd_notifier_gsi(const EventNotifier *n, int virq);
#endif
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