xref: /openbmc/qemu/include/hw/ppc/pnv_psi.h (revision 93dd625f)
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     DeviceState 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 TYPE_PNV10_PSI TYPE_PNV_PSI "-POWER10"
73 
74 #define PNV_PSI_CLASS(klass) \
75      OBJECT_CLASS_CHECK(PnvPsiClass, (klass), TYPE_PNV_PSI)
76 #define PNV_PSI_GET_CLASS(obj) \
77      OBJECT_GET_CLASS(PnvPsiClass, (obj), TYPE_PNV_PSI)
78 
79 typedef struct PnvPsiClass {
80     SysBusDeviceClass parent_class;
81 
82     uint32_t xscom_pcba;
83     uint32_t xscom_size;
84     uint64_t bar_mask;
85     const char *compat;
86     int compat_size;
87 
88     void (*irq_set)(PnvPsi *psi, int, bool state);
89 } PnvPsiClass;
90 
91 /* The PSI and FSP interrupts are muxed on the same IRQ number */
92 typedef enum PnvPsiIrq {
93     PSIHB_IRQ_PSI, /* internal use only */
94     PSIHB_IRQ_FSP, /* internal use only */
95     PSIHB_IRQ_OCC,
96     PSIHB_IRQ_FSI,
97     PSIHB_IRQ_LPC_I2C,
98     PSIHB_IRQ_LOCAL_ERR,
99     PSIHB_IRQ_EXTERNAL,
100 } PnvPsiIrq;
101 
102 #define PSI_NUM_INTERRUPTS 6
103 
104 void pnv_psi_irq_set(PnvPsi *psi, int irq, bool state);
105 
106 /* P9 PSI Interrupts */
107 #define PSIHB9_IRQ_PSI          0
108 #define PSIHB9_IRQ_OCC          1
109 #define PSIHB9_IRQ_FSI          2
110 #define PSIHB9_IRQ_LPCHC        3
111 #define PSIHB9_IRQ_LOCAL_ERR    4
112 #define PSIHB9_IRQ_GLOBAL_ERR   5
113 #define PSIHB9_IRQ_TPM          6
114 #define PSIHB9_IRQ_LPC_SIRQ0    7
115 #define PSIHB9_IRQ_LPC_SIRQ1    8
116 #define PSIHB9_IRQ_LPC_SIRQ2    9
117 #define PSIHB9_IRQ_LPC_SIRQ3    10
118 #define PSIHB9_IRQ_SBE_I2C      11
119 #define PSIHB9_IRQ_DIO          12
120 #define PSIHB9_IRQ_PSU          13
121 #define PSIHB9_NUM_IRQS         14
122 
123 void pnv_psi_pic_print_info(Pnv9Psi *psi, Monitor *mon);
124 
125 #endif /* PPC_PNV_PSI_H */
126