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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 */ |