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 31 typedef struct XICSState XICSState; 32 33 typedef struct PnvPsi { 34 SysBusDevice parent; 35 36 MemoryRegion regs_mr; 37 uint64_t bar; 38 39 /* FSP region not supported */ 40 /* MemoryRegion fsp_mr; */ 41 uint64_t fsp_bar; 42 43 /* Interrupt generation */ 44 ICSState ics; 45 46 /* Registers */ 47 uint64_t regs[PSIHB_XSCOM_MAX]; 48 49 MemoryRegion xscom_regs; 50 } PnvPsi; 51 52 /* The PSI and FSP interrupts are muxed on the same IRQ number */ 53 typedef enum PnvPsiIrq { 54 PSIHB_IRQ_PSI, /* internal use only */ 55 PSIHB_IRQ_FSP, /* internal use only */ 56 PSIHB_IRQ_OCC, 57 PSIHB_IRQ_FSI, 58 PSIHB_IRQ_LPC_I2C, 59 PSIHB_IRQ_LOCAL_ERR, 60 PSIHB_IRQ_EXTERNAL, 61 } PnvPsiIrq; 62 63 #define PSI_NUM_INTERRUPTS 6 64 65 extern void pnv_psi_irq_set(PnvPsi *psi, PnvPsiIrq irq, bool state); 66 67 #endif /* _PPC_PNV_PSI_H */ 68