LXR qemu/include/hw/ppc/pnv

   1/*
   2 * QEMU PowerPC PowerNV Processor Service Interface (PSI) model
   3 *
   4 * Copyright (c) 2015-2017, IBM Corporation.
   5 *
   6 * This library is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU Lesser General Public
   8 * License as published by the Free Software Foundation; either
   9 * version 2 of the License, or (at your option) any later version.
  10 *
  11 * This library is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 * Lesser General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU Lesser General Public
  17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18 */
  19#ifndef _PPC_PNV_PSI_H
  20#define _PPC_PNV_PSI_H
  21
  22#include "hw/sysbus.h"
  23#include "hw/ppc/xics.h"
  24
  25#define TYPE_PNV_PSI "pnv-psi"
  26#define PNV_PSI(obj) \
  27     OBJECT_CHECK(PnvPsi, (obj), TYPE_PNV_PSI)
  28
  29#define PSIHB_XSCOM_MAX         0x20
  30
  31typedef struct PnvPsi {
  32    SysBusDevice parent;
  33
  34    MemoryRegion regs_mr;
  35    uint64_t bar;
  36
  37    /* FSP region not supported */
  38    /* MemoryRegion fsp_mr; */
  39    uint64_t fsp_bar;
  40
  41    /* Interrupt generation */
  42    ICSState ics;
  43
  44    /* Registers */
  45    uint64_t regs[PSIHB_XSCOM_MAX];
  46
  47    MemoryRegion xscom_regs;
  48} PnvPsi;
  49
  50/* The PSI and FSP interrupts are muxed on the same IRQ number */
  51typedef enum PnvPsiIrq {
  52    PSIHB_IRQ_PSI, /* internal use only */
  53    PSIHB_IRQ_FSP, /* internal use only */
  54    PSIHB_IRQ_OCC,
  55    PSIHB_IRQ_FSI,
  56    PSIHB_IRQ_LPC_I2C,
  57    PSIHB_IRQ_LOCAL_ERR,
  58    PSIHB_IRQ_EXTERNAL,
  59} PnvPsiIrq;
  60
  61#define PSI_NUM_INTERRUPTS 6
  62
  63extern void pnv_psi_irq_set(PnvPsi *psi, PnvPsiIrq irq, bool state);
  64
  65#endif /* _PPC_PNV_PSI_H */
  66