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 20 #ifndef PPC_PNV_PSI_H 21 #define PPC_PNV_PSI_H 22 23 #include "hw/sysbus.h" 24 #include "hw/ppc/xics.h" 25 #include "hw/ppc/xive.h" 26 27 #define TYPE_PNV_PSI "pnv-psi" 28 #define PNV_PSI(obj) \ 29 OBJECT_CHECK(PnvPsi, (obj), TYPE_PNV_PSI) 30 31 #define PSIHB_XSCOM_MAX 0x20 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 qemu_irq *qirqs; 45 46 /* Registers */ 47 uint64_t regs[PSIHB_XSCOM_MAX]; 48 49 MemoryRegion xscom_regs; 50 } PnvPsi; 51 52 #define TYPE_PNV8_PSI TYPE_PNV_PSI "-POWER8" 53 #define PNV8_PSI(obj) \ 54 OBJECT_CHECK(Pnv8Psi, (obj), TYPE_PNV8_PSI) 55 56 typedef struct Pnv8Psi { 57 PnvPsi parent; 58 59 ICSState ics; 60 } Pnv8Psi; 61 62 #define TYPE_PNV9_PSI TYPE_PNV_PSI "-POWER9" 63 #define PNV9_PSI(obj) \ 64 OBJECT_CHECK(Pnv9Psi, (obj), TYPE_PNV9_PSI) 65 66 typedef struct Pnv9Psi { 67 PnvPsi parent; 68 69 XiveSource source; 70 } Pnv9Psi; 71 72 #define PNV_PSI_CLASS(klass) \ 73 OBJECT_CLASS_CHECK(PnvPsiClass, (klass), TYPE_PNV_PSI) 74 #define PNV_PSI_GET_CLASS(obj) \ 75 OBJECT_GET_CLASS(PnvPsiClass, (obj), TYPE_PNV_PSI) 76 77 typedef struct PnvPsiClass { 78 SysBusDeviceClass parent_class; 79 80 int chip_type; 81 uint32_t xscom_pcba; 82 uint32_t xscom_size; 83 uint64_t bar_mask; 84 85 void (*irq_set)(PnvPsi *psi, int, bool state); 86 } PnvPsiClass; 87 88 /* The PSI and FSP interrupts are muxed on the same IRQ number */ 89 typedef enum PnvPsiIrq { 90 PSIHB_IRQ_PSI, /* internal use only */ 91 PSIHB_IRQ_FSP, /* internal use only */ 92 PSIHB_IRQ_OCC, 93 PSIHB_IRQ_FSI, 94 PSIHB_IRQ_LPC_I2C, 95 PSIHB_IRQ_LOCAL_ERR, 96 PSIHB_IRQ_EXTERNAL, 97 } PnvPsiIrq; 98 99 #define PSI_NUM_INTERRUPTS 6 100 101 void pnv_psi_irq_set(PnvPsi *psi, int irq, bool state); 102 103 /* P9 PSI Interrupts */ 104 #define PSIHB9_IRQ_PSI 0 105 #define PSIHB9_IRQ_OCC 1 106 #define PSIHB9_IRQ_FSI 2 107 #define PSIHB9_IRQ_LPCHC 3 108 #define PSIHB9_IRQ_LOCAL_ERR 4 109 #define PSIHB9_IRQ_GLOBAL_ERR 5 110 #define PSIHB9_IRQ_TPM 6 111 #define PSIHB9_IRQ_LPC_SIRQ0 7 112 #define PSIHB9_IRQ_LPC_SIRQ1 8 113 #define PSIHB9_IRQ_LPC_SIRQ2 9 114 #define PSIHB9_IRQ_LPC_SIRQ3 10 115 #define PSIHB9_IRQ_SBE_I2C 11 116 #define PSIHB9_IRQ_DIO 12 117 #define PSIHB9_IRQ_PSU 13 118 #define PSIHB9_NUM_IRQS 14 119 120 void pnv_psi_pic_print_info(Pnv9Psi *psi, Monitor *mon); 121 122 #endif /* PPC_PNV_PSI_H */ 123