xref: /openbmc/qemu/include/hw/ppc/pnv_xive.h (revision 24496b8d)
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 
20 #define XIVE_BLOCK_MAX      16
21 
22 #define XIVE_TABLE_BLK_MAX  16  /* Block Scope Table (0-15) */
23 #define XIVE_TABLE_MIG_MAX  16  /* Migration Register Table (1-15) */
24 #define XIVE_TABLE_VDT_MAX  16  /* VDT Domain Table (0-15) */
25 #define XIVE_TABLE_EDT_MAX  64  /* EDT Domain Table (0-63) */
26 
27 typedef struct PnvXive {
28     XiveRouter    parent_obj;
29 
30     /* Owning chip */
31     struct PnvChip *chip;
32 
33     /* XSCOM addresses giving access to the controller registers */
34     MemoryRegion  xscom_regs;
35 
36     /* Main MMIO regions that can be configured by FW */
37     MemoryRegion  ic_mmio;
38     MemoryRegion    ic_reg_mmio;
39     MemoryRegion    ic_notify_mmio;
40     MemoryRegion    ic_lsi_mmio;
41     MemoryRegion    tm_indirect_mmio;
42     MemoryRegion  vc_mmio;
43     MemoryRegion  pc_mmio;
44     MemoryRegion  tm_mmio;
45 
46     /*
47      * IPI and END address spaces modeling the EDT segmentation in the
48      * VC region
49      */
50     AddressSpace  ipi_as;
51     MemoryRegion  ipi_mmio;
52     MemoryRegion    ipi_edt_mmio;
53 
54     AddressSpace  end_as;
55     MemoryRegion  end_mmio;
56     MemoryRegion    end_edt_mmio;
57 
58     /* Shortcut values for the Main MMIO regions */
59     hwaddr        ic_base;
60     uint32_t      ic_shift;
61     hwaddr        vc_base;
62     uint32_t      vc_shift;
63     hwaddr        pc_base;
64     uint32_t      pc_shift;
65     hwaddr        tm_base;
66     uint32_t      tm_shift;
67 
68     /* Our XIVE source objects for IPIs and ENDs */
69     XiveSource    ipi_source;
70     XiveENDSource end_source;
71 
72     /* Interrupt controller registers */
73     uint64_t      regs[0x300];
74 
75     /* Can be configured by FW */
76     uint32_t      tctx_chipid;
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 } PnvXive;
90 
91 void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon);
92 
93 #endif /* PPC_PNV_XIVE_H */
94