xref: /qemu/include/hw/ppc/pnv_psi.h (revision 8110fa1d)
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 typedef struct PnvPsi PnvPsi;
30 typedef struct PnvPsiClass PnvPsiClass;
31 DECLARE_OBJ_CHECKERS(PnvPsi, PnvPsiClass,
32                      PNV_PSI, TYPE_PNV_PSI)
33 
34 #define PSIHB_XSCOM_MAX         0x20
35 
36 struct PnvPsi {
37     DeviceState parent;
38 
39     MemoryRegion regs_mr;
40     uint64_t bar;
41 
42     /* FSP region not supported */
43     /* MemoryRegion fsp_mr; */
44     uint64_t fsp_bar;
45 
46     /* Interrupt generation */
47     qemu_irq *qirqs;
48 
49     /* Registers */
50     uint64_t regs[PSIHB_XSCOM_MAX];
51 
52     MemoryRegion xscom_regs;
53 };
54 
55 #define TYPE_PNV8_PSI TYPE_PNV_PSI "-POWER8"
56 typedef struct Pnv8Psi Pnv8Psi;
57 DECLARE_INSTANCE_CHECKER(Pnv8Psi, PNV8_PSI,
58                          TYPE_PNV8_PSI)
59 
60 struct Pnv8Psi {
61     PnvPsi   parent;
62 
63     ICSState ics;
64 };
65 
66 #define TYPE_PNV9_PSI TYPE_PNV_PSI "-POWER9"
67 typedef struct Pnv9Psi Pnv9Psi;
68 DECLARE_INSTANCE_CHECKER(Pnv9Psi, PNV9_PSI,
69                          TYPE_PNV9_PSI)
70 
71 struct Pnv9Psi {
72     PnvPsi   parent;
73 
74     XiveSource source;
75 };
76 
77 #define TYPE_PNV10_PSI TYPE_PNV_PSI "-POWER10"
78 
79 
80 struct PnvPsiClass {
81     SysBusDeviceClass parent_class;
82 
83     uint32_t xscom_pcba;
84     uint32_t xscom_size;
85     uint64_t bar_mask;
86     const char *compat;
87     int compat_size;
88 
89     void (*irq_set)(PnvPsi *psi, int, bool state);
90 };
91 
92 /* The PSI and FSP interrupts are muxed on the same IRQ number */
93 typedef enum PnvPsiIrq {
94     PSIHB_IRQ_PSI, /* internal use only */
95     PSIHB_IRQ_FSP, /* internal use only */
96     PSIHB_IRQ_OCC,
97     PSIHB_IRQ_FSI,
98     PSIHB_IRQ_LPC_I2C,
99     PSIHB_IRQ_LOCAL_ERR,
100     PSIHB_IRQ_EXTERNAL,
101 } PnvPsiIrq;
102 
103 #define PSI_NUM_INTERRUPTS 6
104 
105 void pnv_psi_irq_set(PnvPsi *psi, int irq, bool state);
106 
107 /* P9 PSI Interrupts */
108 #define PSIHB9_IRQ_PSI          0
109 #define PSIHB9_IRQ_OCC          1
110 #define PSIHB9_IRQ_FSI          2
111 #define PSIHB9_IRQ_LPCHC        3
112 #define PSIHB9_IRQ_LOCAL_ERR    4
113 #define PSIHB9_IRQ_GLOBAL_ERR   5
114 #define PSIHB9_IRQ_TPM          6
115 #define PSIHB9_IRQ_LPC_SIRQ0    7
116 #define PSIHB9_IRQ_LPC_SIRQ1    8
117 #define PSIHB9_IRQ_LPC_SIRQ2    9
118 #define PSIHB9_IRQ_LPC_SIRQ3    10
119 #define PSIHB9_IRQ_SBE_I2C      11
120 #define PSIHB9_IRQ_DIO          12
121 #define PSIHB9_IRQ_PSU          13
122 #define PSIHB9_NUM_IRQS         14
123 
124 void pnv_psi_pic_print_info(Pnv9Psi *psi, Monitor *mon);
125 
126 #endif /* PPC_PNV_PSI_H */
127