xref: /openbmc/linux/arch/mips/fw/cfe/cfe_api_int.h (revision 2cf1c348)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright (C) 2000, 2001, 2002 Broadcom Corporation
4  */
5 #ifndef CFE_API_INT_H
6 #define CFE_API_INT_H
7 
8 /*
9  * Constants.
10  */
11 #define CFE_CMD_FW_GETINFO	0
12 #define CFE_CMD_FW_RESTART	1
13 #define CFE_CMD_FW_BOOT		2
14 #define CFE_CMD_FW_CPUCTL	3
15 #define CFE_CMD_FW_GETTIME      4
16 #define CFE_CMD_FW_MEMENUM	5
17 #define CFE_CMD_FW_FLUSHCACHE	6
18 
19 #define CFE_CMD_DEV_GETHANDLE	9
20 #define CFE_CMD_DEV_ENUM	10
21 #define CFE_CMD_DEV_OPEN	11
22 #define CFE_CMD_DEV_INPSTAT	12
23 #define CFE_CMD_DEV_READ	13
24 #define CFE_CMD_DEV_WRITE	14
25 #define CFE_CMD_DEV_IOCTL	15
26 #define CFE_CMD_DEV_CLOSE	16
27 #define CFE_CMD_DEV_GETINFO	17
28 
29 #define CFE_CMD_ENV_ENUM	20
30 #define CFE_CMD_ENV_GET		22
31 #define CFE_CMD_ENV_SET		23
32 #define CFE_CMD_ENV_DEL		24
33 
34 #define CFE_CMD_MAX		32
35 
36 #define CFE_CMD_VENDOR_USE	0x8000	/* codes above this are for customer use */
37 
38 /*
39  * Structures.
40  */
41 
42 /* eeek, signed "pointers" */
43 typedef s64 cfe_xptr_t;
44 
45 struct xiocb_buffer {
46 	u64 buf_offset;		/* offset on device (bytes) */
47 	cfe_xptr_t  buf_ptr;		/* pointer to a buffer */
48 	u64 buf_length;		/* length of this buffer */
49 	u64 buf_retlen;		/* returned length (for read ops) */
50 	u64 buf_ioctlcmd;	/* IOCTL command (used only for IOCTLs) */
51 };
52 
53 struct xiocb_inpstat {
54 	u64 inp_status;		/* 1 means input available */
55 };
56 
57 struct xiocb_envbuf {
58 	s64 enum_idx;		/* 0-based enumeration index */
59 	cfe_xptr_t name_ptr;		/* name string buffer */
60 	s64 name_length;		/* size of name buffer */
61 	cfe_xptr_t val_ptr;		/* value string buffer */
62 	s64 val_length;		/* size of value string buffer */
63 };
64 
65 struct xiocb_cpuctl {
66 	u64 cpu_number;		/* cpu number to control */
67 	u64 cpu_command;	/* command to issue to CPU */
68 	u64 start_addr;		/* CPU start address */
69 	u64 gp_val;		/* starting GP value */
70 	u64 sp_val;		/* starting SP value */
71 	u64 a1_val;		/* starting A1 value */
72 };
73 
74 struct xiocb_time {
75 	s64 ticks;		/* current time in ticks */
76 };
77 
78 struct xiocb_exitstat{
79 	s64 status;
80 };
81 
82 struct xiocb_meminfo {
83 	s64 mi_idx;		/* 0-based enumeration index */
84 	s64 mi_type;		/* type of memory block */
85 	u64 mi_addr;		/* physical start address */
86 	u64 mi_size;		/* block size */
87 };
88 
89 struct xiocb_fwinfo {
90 	s64 fwi_version;		/* major, minor, eco version */
91 	s64 fwi_totalmem;	/* total installed mem */
92 	s64 fwi_flags;		/* various flags */
93 	s64 fwi_boardid;		/* board ID */
94 	s64 fwi_bootarea_va;	/* VA of boot area */
95 	s64 fwi_bootarea_pa;	/* PA of boot area */
96 	s64 fwi_bootarea_size;	/* size of boot area */
97 	s64 fwi_reserved1;
98 	s64 fwi_reserved2;
99 	s64 fwi_reserved3;
100 };
101 
102 struct cfe_xiocb {
103 	u64 xiocb_fcode;	/* IOCB function code */
104 	s64 xiocb_status;	/* return status */
105 	s64 xiocb_handle;	/* file/device handle */
106 	u64 xiocb_flags;	/* flags for this IOCB */
107 	u64 xiocb_psize;	/* size of parameter list */
108 	union {
109 		/* buffer parameters */
110 		struct xiocb_buffer xiocb_buffer;
111 
112 		/* input status parameters */
113 		struct xiocb_inpstat xiocb_inpstat;
114 
115 		/* environment function parameters */
116 		struct xiocb_envbuf xiocb_envbuf;
117 
118 		/* CPU control parameters */
119 		struct xiocb_cpuctl xiocb_cpuctl;
120 
121 		/* timer parameters */
122 		struct xiocb_time xiocb_time;
123 
124 		/* memory arena info parameters */
125 		struct xiocb_meminfo xiocb_meminfo;
126 
127 		/* firmware information */
128 		struct xiocb_fwinfo xiocb_fwinfo;
129 
130 		/* Exit Status */
131 		struct xiocb_exitstat xiocb_exitstat;
132 	} plist;
133 };
134 
135 #endif /* CFE_API_INT_H */
136