| 1 | /** @file
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| 2 | * GIC - Generic Interrupt Controller Architecture (GICv3).
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2023 Oracle and/or its affiliates.
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| 7 | *
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| 8 | * This file is part of VirtualBox base platform packages, as
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| 9 | * available from https://www.virtualbox.org.
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| 10 | *
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| 11 | * This program is free software; you can redistribute it and/or
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| 12 | * modify it under the terms of the GNU General Public License
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| 13 | * as published by the Free Software Foundation, in version 3 of the
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| 14 | * License.
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| 15 | *
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| 16 | * This program is distributed in the hope that it will be useful, but
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| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 19 | * General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 23 | *
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| 24 | * The contents of this file may alternatively be used under the terms
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| 25 | * of the Common Development and Distribution License Version 1.0
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| 26 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 27 | * in the VirtualBox distribution, in which case the provisions of the
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| 28 | * CDDL are applicable instead of those of the GPL.
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| 29 | *
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| 30 | * You may elect to license modified versions of this file under the
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| 31 | * terms and conditions of either the GPL or the CDDL or both.
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| 32 | *
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| 33 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 34 | */
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| 35 |
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| 36 | #ifndef VBOX_INCLUDED_vmm_gic_h
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| 37 | #define VBOX_INCLUDED_vmm_gic_h
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| 38 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 39 | # pragma once
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| 40 | #endif
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| 41 |
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| 42 | #include <VBox/types.h>
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| 43 | struct PDMDEVREGCB;
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| 44 |
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| 45 | /** @defgroup grp_gic The local GIC VMM API
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| 46 | * @ingroup grp_vmm
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| 47 | * @{
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| 48 | */
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| 49 |
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| 50 | RT_C_DECLS_BEGIN
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| 51 |
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| 52 | #ifdef VBOX_INCLUDED_vmm_pdmdev_h
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| 53 | extern const PDMDEVREG g_DeviceGIC;
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| 54 | # ifdef RT_OS_LINUX
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| 55 | extern const PDMDEVREG g_DeviceGICKvm;
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| 56 | # endif
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| 57 | #endif
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| 58 |
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| 59 | /* These functions are VMM internal. */
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| 60 | VMM_INT_DECL(VBOXSTRICTRC) GICReadSysReg(PVMCPUCC pVCpu, uint32_t u32Reg, uint64_t *pu64Value);
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| 61 | VMM_INT_DECL(VBOXSTRICTRC) GICWriteSysReg(PVMCPUCC pVCpu, uint32_t u32Reg, uint64_t u64Value);
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| 62 | VMM_INT_DECL(int) GICSpiSet(PVMCC pVM, uint32_t uIntId, bool fAsserted);
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| 63 | VMM_INT_DECL(int) GICPpiSet(PVMCPUCC pVCpu, uint32_t uIntId, bool fAsserted);
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| 64 | VMM_INT_DECL(int) GICSgiSet(PVMCPUCC pVCpu, uint32_t uIntId, bool fAsserted);
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| 65 |
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| 66 | #ifdef IN_RING3
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| 67 | /** @defgroup grp_gic_r3 The GIC Host Context Ring-3 API
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| 68 | * @{
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| 69 | */
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| 70 | VMMR3_INT_DECL(int) GICR3RegisterDevice(struct PDMDEVREGCB *pCallbacks);
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| 71 | VMMR3_INT_DECL(void) GICR3InitIpi(PVMCPU pVCpu);
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| 72 |
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| 73 | # ifdef RT_OS_LINUX
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| 74 | /* Access to the in-kernel KVM GICv3. */
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| 75 | VMMR3_INT_DECL(int) GICR3KvmSpiSet(PVMCC pVM, uint32_t uIntId, bool fAsserted);
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| 76 | VMMR3_INT_DECL(int) GICR3KvmPpiSet(PVMCPUCC pVCpu, uint32_t uIntId, bool fAsserted);
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| 77 | # endif
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| 78 | /** @} */
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| 79 | #endif /* IN_RING3 */
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| 80 |
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| 81 | RT_C_DECLS_END
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| 82 |
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| 83 | /** @} */
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| 84 |
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| 85 | #endif /* !VBOX_INCLUDED_vmm_gic_h */
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| 86 |
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