xref: /openbmc/qemu/include/hw/ppc/pnv_xive.h (revision b14df228)
1 /*
2  * QEMU PowerPC XIVE interrupt controller model
3  *
4  * Copyright (c) 2017-2019, IBM Corporation.
5  *
6  * This code is licensed under the GPL version 2 or later. See the
7  * COPYING file in the top-level directory.
8  */
9 
10 #ifndef PPC_PNV_XIVE_H
11 #define PPC_PNV_XIVE_H
12 
13 #include "hw/ppc/xive.h"
14 #include "qom/object.h"
15 #include "hw/ppc/xive2.h"
16 
17 struct PnvChip;
18 
19 #define TYPE_PNV_XIVE "pnv-xive"
20 OBJECT_DECLARE_TYPE(PnvXive, PnvXiveClass,
21                     PNV_XIVE)
22 
23 #define XIVE_BLOCK_MAX      16
24 
25 #define XIVE_TABLE_BLK_MAX  16  /* Block Scope Table (0-15) */
26 #define XIVE_TABLE_MIG_MAX  16  /* Migration Register Table (1-15) */
27 #define XIVE_TABLE_VDT_MAX  16  /* VDT Domain Table (0-15) */
28 #define XIVE_TABLE_EDT_MAX  64  /* EDT Domain Table (0-63) */
29 
30 struct PnvXive {
31     XiveRouter    parent_obj;
32 
33     /* Owning chip */
34     struct PnvChip *chip;
35 
36     /* XSCOM addresses giving access to the controller registers */
37     MemoryRegion  xscom_regs;
38 
39     /* Main MMIO regions that can be configured by FW */
40     MemoryRegion  ic_mmio;
41     MemoryRegion    ic_reg_mmio;
42     MemoryRegion    ic_notify_mmio;
43     MemoryRegion    ic_lsi_mmio;
44     MemoryRegion    tm_indirect_mmio;
45     MemoryRegion  vc_mmio;
46     MemoryRegion  pc_mmio;
47     MemoryRegion  tm_mmio;
48 
49     /*
50      * IPI and END address spaces modeling the EDT segmentation in the
51      * VC region
52      */
53     AddressSpace  ipi_as;
54     MemoryRegion  ipi_mmio;
55     MemoryRegion    ipi_edt_mmio;
56 
57     AddressSpace  end_as;
58     MemoryRegion  end_mmio;
59     MemoryRegion    end_edt_mmio;
60 
61     /* Shortcut values for the Main MMIO regions */
62     hwaddr        ic_base;
63     uint32_t      ic_shift;
64     hwaddr        vc_base;
65     uint32_t      vc_shift;
66     hwaddr        pc_base;
67     uint32_t      pc_shift;
68     hwaddr        tm_base;
69     uint32_t      tm_shift;
70 
71     /* Our XIVE source objects for IPIs and ENDs */
72     XiveSource    ipi_source;
73     XiveENDSource end_source;
74 
75     /* Interrupt controller registers */
76     uint64_t      regs[0x300];
77 
78     /*
79      * Virtual Structure Descriptor tables : EAT, SBE, ENDT, NVTT, IRQ
80      * These are in a SRAM protected by ECC.
81      */
82     uint64_t      vsds[5][XIVE_BLOCK_MAX];
83 
84     /* Translation tables */
85     uint64_t      blk[XIVE_TABLE_BLK_MAX];
86     uint64_t      mig[XIVE_TABLE_MIG_MAX];
87     uint64_t      vdt[XIVE_TABLE_VDT_MAX];
88     uint64_t      edt[XIVE_TABLE_EDT_MAX];
89 };
90 
91 struct PnvXiveClass {
92     XiveRouterClass parent_class;
93 
94     DeviceRealize parent_realize;
95 };
96 
97 void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon);
98 
99 /*
100  * XIVE2 interrupt controller (POWER10)
101  */
102 #define TYPE_PNV_XIVE2 "pnv-xive2"
103 OBJECT_DECLARE_TYPE(PnvXive2, PnvXive2Class, PNV_XIVE2);
104 
105 typedef struct PnvXive2 {
106     Xive2Router   parent_obj;
107 
108     /* Owning chip */
109     struct PnvChip *chip;
110 
111     /* XSCOM addresses giving access to the controller registers */
112     MemoryRegion  xscom_regs;
113 
114     MemoryRegion  ic_mmio;
115     MemoryRegion  ic_mmios[8];
116     MemoryRegion  esb_mmio;
117     MemoryRegion  end_mmio;
118     MemoryRegion  nvc_mmio;
119     MemoryRegion  nvpg_mmio;
120     MemoryRegion  tm_mmio;
121 
122     /* Shortcut values for the Main MMIO regions */
123     hwaddr        ic_base;
124     uint32_t      ic_shift;
125     hwaddr        esb_base;
126     uint32_t      esb_shift;
127     hwaddr        end_base;
128     uint32_t      end_shift;
129     hwaddr        nvc_base;
130     uint32_t      nvc_shift;
131     hwaddr        nvpg_base;
132     uint32_t      nvpg_shift;
133     hwaddr        tm_base;
134     uint32_t      tm_shift;
135 
136     /* Interrupt controller registers */
137     uint64_t      cq_regs[0x40];
138     uint64_t      vc_regs[0x100];
139     uint64_t      pc_regs[0x100];
140     uint64_t      tctxt_regs[0x30];
141 
142     /* To change default behavior */
143     uint64_t      capabilities;
144     uint64_t      config;
145 
146     /* Our XIVE source objects for IPIs and ENDs */
147     XiveSource    ipi_source;
148     Xive2EndSource end_source;
149 
150     /*
151      * Virtual Structure Descriptor tables
152      * These are in a SRAM protected by ECC.
153      */
154     uint64_t      vsds[9][XIVE_BLOCK_MAX];
155 
156     /* Translation tables */
157     uint64_t      tables[8][XIVE_BLOCK_MAX];
158 
159 } PnvXive2;
160 
161 typedef struct PnvXive2Class {
162     Xive2RouterClass parent_class;
163 
164     DeviceRealize parent_realize;
165 } PnvXive2Class;
166 
167 void pnv_xive2_pic_print_info(PnvXive2 *xive, Monitor *mon);
168 
169 #endif /* PPC_PNV_XIVE_H */
170