10a83cb988
This patch implements a skeleton for the smmuv3 device. Datatypes and register definitions are introduced. The MMIO region, the interrupts and the queue are initialized. Only the MMIO read operation is implemented here. Signed-off-by: Prem Mallappa <prem.mallappa@broadcom.com> Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1524665762-31355-5-git-send-email-eric.auger@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/*
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* Copyright (C) 2014-2016 Broadcom Corporation
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* Copyright (c) 2017 Red Hat, Inc.
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* Written by Prem Mallappa, Eric Auger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef HW_ARM_SMMUV3_H
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#define HW_ARM_SMMUV3_H
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#include "hw/arm/smmu-common.h"
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#include "hw/registerfields.h"
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#define TYPE_SMMUV3_IOMMU_MEMORY_REGION "smmuv3-iommu-memory-region"
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typedef struct SMMUQueue {
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uint64_t base; /* base register */
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uint32_t prod;
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uint32_t cons;
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uint8_t entry_size;
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uint8_t log2size;
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} SMMUQueue;
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typedef struct SMMUv3State {
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SMMUState smmu_state;
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uint32_t features;
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uint8_t sid_size;
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uint8_t sid_split;
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uint32_t idr[6];
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uint32_t iidr;
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uint32_t cr[3];
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uint32_t cr0ack;
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uint32_t statusr;
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uint32_t irq_ctrl;
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uint32_t gerror;
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uint32_t gerrorn;
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uint64_t gerror_irq_cfg0;
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uint32_t gerror_irq_cfg1;
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uint32_t gerror_irq_cfg2;
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uint64_t strtab_base;
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uint32_t strtab_base_cfg;
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uint64_t eventq_irq_cfg0;
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uint32_t eventq_irq_cfg1;
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uint32_t eventq_irq_cfg2;
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SMMUQueue eventq, cmdq;
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qemu_irq irq[4];
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} SMMUv3State;
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typedef enum {
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SMMU_IRQ_EVTQ,
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SMMU_IRQ_PRIQ,
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SMMU_IRQ_CMD_SYNC,
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SMMU_IRQ_GERROR,
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} SMMUIrq;
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typedef struct {
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/*< private >*/
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SMMUBaseClass smmu_base_class;
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/*< public >*/
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DeviceRealize parent_realize;
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DeviceReset parent_reset;
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} SMMUv3Class;
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#define TYPE_ARM_SMMUV3 "arm-smmuv3"
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#define ARM_SMMUV3(obj) OBJECT_CHECK(SMMUv3State, (obj), TYPE_ARM_SMMUV3)
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#define ARM_SMMUV3_CLASS(klass) \
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OBJECT_CLASS_CHECK(SMMUv3Class, (klass), TYPE_ARM_SMMUV3)
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#define ARM_SMMUV3_GET_CLASS(obj) \
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OBJECT_GET_CLASS(SMMUv3Class, (obj), TYPE_ARM_SMMUV3)
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#endif
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