xref: /openbmc/qemu/include/hw/arm/smmuv3.h (revision 8cefcc3b)
1 /*
2  * Copyright (C) 2014-2016 Broadcom Corporation
3  * Copyright (c) 2017 Red Hat, Inc.
4  * Written by Prem Mallappa, Eric Auger
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 #ifndef HW_ARM_SMMUV3_H
20 #define HW_ARM_SMMUV3_H
21 
22 #include "hw/arm/smmu-common.h"
23 #include "qom/object.h"
24 
25 #define TYPE_SMMUV3_IOMMU_MEMORY_REGION "smmuv3-iommu-memory-region"
26 
27 typedef struct SMMUQueue {
28      uint64_t base; /* base register */
29      uint32_t prod;
30      uint32_t cons;
31      uint8_t entry_size;
32      uint8_t log2size;
33 } SMMUQueue;
34 
35 struct SMMUv3State {
36     SMMUState     smmu_state;
37 
38     uint32_t features;
39     uint8_t sid_size;
40     uint8_t sid_split;
41 
42     uint32_t idr[6];
43     uint32_t iidr;
44     uint32_t aidr;
45     uint32_t cr[3];
46     uint32_t cr0ack;
47     uint32_t statusr;
48     uint32_t gbpa;
49     uint32_t irq_ctrl;
50     uint32_t gerror;
51     uint32_t gerrorn;
52     uint64_t gerror_irq_cfg0;
53     uint32_t gerror_irq_cfg1;
54     uint32_t gerror_irq_cfg2;
55     uint64_t strtab_base;
56     uint32_t strtab_base_cfg;
57     uint64_t eventq_irq_cfg0;
58     uint32_t eventq_irq_cfg1;
59     uint32_t eventq_irq_cfg2;
60 
61     SMMUQueue eventq, cmdq;
62 
63     qemu_irq     irq[4];
64     QemuMutex mutex;
65     char *stage;
66 };
67 
68 typedef enum {
69     SMMU_IRQ_EVTQ,
70     SMMU_IRQ_PRIQ,
71     SMMU_IRQ_CMD_SYNC,
72     SMMU_IRQ_GERROR,
73 } SMMUIrq;
74 
75 struct SMMUv3Class {
76     /*< private >*/
77     SMMUBaseClass smmu_base_class;
78     /*< public >*/
79 
80     DeviceRealize parent_realize;
81     ResettablePhases parent_phases;
82 };
83 
84 #define TYPE_ARM_SMMUV3   "arm-smmuv3"
85 OBJECT_DECLARE_TYPE(SMMUv3State, SMMUv3Class, ARM_SMMUV3)
86 
87 #define STAGE1_SUPPORTED(s)      FIELD_EX32(s->idr[0], IDR0, S1P)
88 #define STAGE2_SUPPORTED(s)      FIELD_EX32(s->idr[0], IDR0, S2P)
89 
90 #endif
91