xref: /openbmc/qemu/include/hw/ppc/pnv_xive.h (revision a68694cd)
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 
16 struct PnvChip;
17 
18 #define TYPE_PNV_XIVE "pnv-xive"
19 OBJECT_DECLARE_TYPE(PnvXive, PnvXiveClass,
20                     pnv_xive, PNV_XIVE)
21 
22 #define XIVE_BLOCK_MAX      16
23 
24 #define XIVE_TABLE_BLK_MAX  16  /* Block Scope Table (0-15) */
25 #define XIVE_TABLE_MIG_MAX  16  /* Migration Register Table (1-15) */
26 #define XIVE_TABLE_VDT_MAX  16  /* VDT Domain Table (0-15) */
27 #define XIVE_TABLE_EDT_MAX  64  /* EDT Domain Table (0-63) */
28 
29 struct PnvXive {
30     XiveRouter    parent_obj;
31 
32     /* Owning chip */
33     struct PnvChip *chip;
34 
35     /* XSCOM addresses giving access to the controller registers */
36     MemoryRegion  xscom_regs;
37 
38     /* Main MMIO regions that can be configured by FW */
39     MemoryRegion  ic_mmio;
40     MemoryRegion    ic_reg_mmio;
41     MemoryRegion    ic_notify_mmio;
42     MemoryRegion    ic_lsi_mmio;
43     MemoryRegion    tm_indirect_mmio;
44     MemoryRegion  vc_mmio;
45     MemoryRegion  pc_mmio;
46     MemoryRegion  tm_mmio;
47 
48     /*
49      * IPI and END address spaces modeling the EDT segmentation in the
50      * VC region
51      */
52     AddressSpace  ipi_as;
53     MemoryRegion  ipi_mmio;
54     MemoryRegion    ipi_edt_mmio;
55 
56     AddressSpace  end_as;
57     MemoryRegion  end_mmio;
58     MemoryRegion    end_edt_mmio;
59 
60     /* Shortcut values for the Main MMIO regions */
61     hwaddr        ic_base;
62     uint32_t      ic_shift;
63     hwaddr        vc_base;
64     uint32_t      vc_shift;
65     hwaddr        pc_base;
66     uint32_t      pc_shift;
67     hwaddr        tm_base;
68     uint32_t      tm_shift;
69 
70     /* Our XIVE source objects for IPIs and ENDs */
71     XiveSource    ipi_source;
72     XiveENDSource end_source;
73 
74     /* Interrupt controller registers */
75     uint64_t      regs[0x300];
76 
77     /*
78      * Virtual Structure Descriptor tables : EAT, SBE, ENDT, NVTT, IRQ
79      * These are in a SRAM protected by ECC.
80      */
81     uint64_t      vsds[5][XIVE_BLOCK_MAX];
82 
83     /* Translation tables */
84     uint64_t      blk[XIVE_TABLE_BLK_MAX];
85     uint64_t      mig[XIVE_TABLE_MIG_MAX];
86     uint64_t      vdt[XIVE_TABLE_VDT_MAX];
87     uint64_t      edt[XIVE_TABLE_EDT_MAX];
88 };
89 
90 struct PnvXiveClass {
91     XiveRouterClass parent_class;
92 
93     DeviceRealize parent_realize;
94 };
95 
96 void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon);
97 
98 #endif /* PPC_PNV_XIVE_H */
99