xref: /qemu/include/hw/ppc/pnv_psi.h (revision e3a6e0da)
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 #include "qom/object.h"
27 
28 #define TYPE_PNV_PSI "pnv-psi"
29 OBJECT_DECLARE_TYPE(PnvPsi, PnvPsiClass,
30                     pnv_psi, PNV_PSI)
31 
32 #define PSIHB_XSCOM_MAX         0x20
33 
34 struct PnvPsi {
35     DeviceState parent;
36 
37     MemoryRegion regs_mr;
38     uint64_t bar;
39 
40     /* FSP region not supported */
41     /* MemoryRegion fsp_mr; */
42     uint64_t fsp_bar;
43 
44     /* Interrupt generation */
45     qemu_irq *qirqs;
46 
47     /* Registers */
48     uint64_t regs[PSIHB_XSCOM_MAX];
49 
50     MemoryRegion xscom_regs;
51 };
52 
53 #define TYPE_PNV8_PSI TYPE_PNV_PSI "-POWER8"
54 typedef struct Pnv8Psi Pnv8Psi;
55 DECLARE_INSTANCE_CHECKER(Pnv8Psi, PNV8_PSI,
56                          TYPE_PNV8_PSI)
57 
58 struct Pnv8Psi {
59     PnvPsi   parent;
60 
61     ICSState ics;
62 };
63 
64 #define TYPE_PNV9_PSI TYPE_PNV_PSI "-POWER9"
65 typedef struct Pnv9Psi Pnv9Psi;
66 DECLARE_INSTANCE_CHECKER(Pnv9Psi, PNV9_PSI,
67                          TYPE_PNV9_PSI)
68 
69 struct Pnv9Psi {
70     PnvPsi   parent;
71 
72     XiveSource source;
73 };
74 
75 #define TYPE_PNV10_PSI TYPE_PNV_PSI "-POWER10"
76 
77 
78 struct PnvPsiClass {
79     SysBusDeviceClass parent_class;
80 
81     uint32_t xscom_pcba;
82     uint32_t xscom_size;
83     uint64_t bar_mask;
84     const char *compat;
85     int compat_size;
86 
87     void (*irq_set)(PnvPsi *psi, int, bool state);
88 };
89 
90 /* The PSI and FSP interrupts are muxed on the same IRQ number */
91 typedef enum PnvPsiIrq {
92     PSIHB_IRQ_PSI, /* internal use only */
93     PSIHB_IRQ_FSP, /* internal use only */
94     PSIHB_IRQ_OCC,
95     PSIHB_IRQ_FSI,
96     PSIHB_IRQ_LPC_I2C,
97     PSIHB_IRQ_LOCAL_ERR,
98     PSIHB_IRQ_EXTERNAL,
99 } PnvPsiIrq;
100 
101 #define PSI_NUM_INTERRUPTS 6
102 
103 void pnv_psi_irq_set(PnvPsi *psi, int irq, bool state);
104 
105 /* P9 PSI Interrupts */
106 #define PSIHB9_IRQ_PSI          0
107 #define PSIHB9_IRQ_OCC          1
108 #define PSIHB9_IRQ_FSI          2
109 #define PSIHB9_IRQ_LPCHC        3
110 #define PSIHB9_IRQ_LOCAL_ERR    4
111 #define PSIHB9_IRQ_GLOBAL_ERR   5
112 #define PSIHB9_IRQ_TPM          6
113 #define PSIHB9_IRQ_LPC_SIRQ0    7
114 #define PSIHB9_IRQ_LPC_SIRQ1    8
115 #define PSIHB9_IRQ_LPC_SIRQ2    9
116 #define PSIHB9_IRQ_LPC_SIRQ3    10
117 #define PSIHB9_IRQ_SBE_I2C      11
118 #define PSIHB9_IRQ_DIO          12
119 #define PSIHB9_IRQ_PSU          13
120 #define PSIHB9_NUM_IRQS         14
121 
122 void pnv_psi_pic_print_info(Pnv9Psi *psi, Monitor *mon);
123 
124 #endif /* PPC_PNV_PSI_H */
125