include/hw/ppc/pnv_xive.h

   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)
  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 */