xref: /openbmc/qemu/include/hw/arm/smmuv3.h (revision 709395f8)
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 "hw/registerfields.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 typedef 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 cr[3];
45     uint32_t cr0ack;
46     uint32_t statusr;
47     uint32_t irq_ctrl;
48     uint32_t gerror;
49     uint32_t gerrorn;
50     uint64_t gerror_irq_cfg0;
51     uint32_t gerror_irq_cfg1;
52     uint32_t gerror_irq_cfg2;
53     uint64_t strtab_base;
54     uint32_t strtab_base_cfg;
55     uint64_t eventq_irq_cfg0;
56     uint32_t eventq_irq_cfg1;
57     uint32_t eventq_irq_cfg2;
58 
59     SMMUQueue eventq, cmdq;
60 
61     qemu_irq     irq[4];
62     QemuMutex mutex;
63 } SMMUv3State;
64 
65 typedef enum {
66     SMMU_IRQ_EVTQ,
67     SMMU_IRQ_PRIQ,
68     SMMU_IRQ_CMD_SYNC,
69     SMMU_IRQ_GERROR,
70 } SMMUIrq;
71 
72 typedef struct {
73     /*< private >*/
74     SMMUBaseClass smmu_base_class;
75     /*< public >*/
76 
77     DeviceRealize parent_realize;
78     DeviceReset   parent_reset;
79 } SMMUv3Class;
80 
81 #define TYPE_ARM_SMMUV3   "arm-smmuv3"
82 #define ARM_SMMUV3(obj) OBJECT_CHECK(SMMUv3State, (obj), TYPE_ARM_SMMUV3)
83 #define ARM_SMMUV3_CLASS(klass)                              \
84     OBJECT_CLASS_CHECK(SMMUv3Class, (klass), TYPE_ARM_SMMUV3)
85 #define ARM_SMMUV3_GET_CLASS(obj) \
86      OBJECT_GET_CLASS(SMMUv3Class, (obj), TYPE_ARM_SMMUV3)
87 
88 #endif
89