xref: /qemu/include/hw/ppc/pnv_xive.h (revision 27a4a30e)
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 
15 struct PnvChip;
16 
17 #define TYPE_PNV_XIVE "pnv-xive"
18 #define PNV_XIVE(obj) OBJECT_CHECK(PnvXive, (obj), TYPE_PNV_XIVE)
19 #define PNV_XIVE_CLASS(klass)                                   \
20     OBJECT_CLASS_CHECK(PnvXiveClass, (klass), TYPE_PNV_XIVE)
21 #define PNV_XIVE_GET_CLASS(obj)                                 \
22     OBJECT_GET_CLASS(PnvXiveClass, (obj), TYPE_PNV_XIVE)
23 
24 #define XIVE_BLOCK_MAX      16
25 
26 #define XIVE_TABLE_BLK_MAX  16  /* Block Scope Table (0-15) */
27 #define XIVE_TABLE_MIG_MAX  16  /* Migration Register Table (1-15) */
28 #define XIVE_TABLE_VDT_MAX  16  /* VDT Domain Table (0-15) */
29 #define XIVE_TABLE_EDT_MAX  64  /* EDT Domain Table (0-63) */
30 
31 typedef struct PnvXive {
32     XiveRouter    parent_obj;
33 
34     /* Owning chip */
35     struct PnvChip *chip;
36 
37     /* XSCOM addresses giving access to the controller registers */
38     MemoryRegion  xscom_regs;
39 
40     /* Main MMIO regions that can be configured by FW */
41     MemoryRegion  ic_mmio;
42     MemoryRegion    ic_reg_mmio;
43     MemoryRegion    ic_notify_mmio;
44     MemoryRegion    ic_lsi_mmio;
45     MemoryRegion    tm_indirect_mmio;
46     MemoryRegion  vc_mmio;
47     MemoryRegion  pc_mmio;
48     MemoryRegion  tm_mmio;
49 
50     /*
51      * IPI and END address spaces modeling the EDT segmentation in the
52      * VC region
53      */
54     AddressSpace  ipi_as;
55     MemoryRegion  ipi_mmio;
56     MemoryRegion    ipi_edt_mmio;
57 
58     AddressSpace  end_as;
59     MemoryRegion  end_mmio;
60     MemoryRegion    end_edt_mmio;
61 
62     /* Shortcut values for the Main MMIO regions */
63     hwaddr        ic_base;
64     uint32_t      ic_shift;
65     hwaddr        vc_base;
66     uint32_t      vc_shift;
67     hwaddr        pc_base;
68     uint32_t      pc_shift;
69     hwaddr        tm_base;
70     uint32_t      tm_shift;
71 
72     /* Our XIVE source objects for IPIs and ENDs */
73     XiveSource    ipi_source;
74     XiveENDSource end_source;
75 
76     /* Interrupt controller registers */
77     uint64_t      regs[0x300];
78 
79     /*
80      * Virtual Structure Descriptor tables : EAT, SBE, ENDT, NVTT, IRQ
81      * These are in a SRAM protected by ECC.
82      */
83     uint64_t      vsds[5][XIVE_BLOCK_MAX];
84 
85     /* Translation tables */
86     uint64_t      blk[XIVE_TABLE_BLK_MAX];
87     uint64_t      mig[XIVE_TABLE_MIG_MAX];
88     uint64_t      vdt[XIVE_TABLE_VDT_MAX];
89     uint64_t      edt[XIVE_TABLE_EDT_MAX];
90 } PnvXive;
91 
92 typedef struct PnvXiveClass {
93     XiveRouterClass parent_class;
94 
95     DeviceRealize parent_realize;
96 } PnvXiveClass;
97 
98 void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon);
99 
100 #endif /* PPC_PNV_XIVE_H */
101