xref: /freebsd/sys/powerpc/powernv/opal.h (revision 42249ef2)
1 /*-
2  * Copyright (c) 2015 Nathan Whitehorn
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _POWERNV_OPAL_H
30 #define _POWERNV_OPAL_H
31 
32 #include <sys/cdefs.h>
33 #include <sys/types.h>
34 #include <sys/_eventhandler.h>
35 
36 /* Check if OPAL is correctly instantiated. Will try to instantiate it. */
37 int opal_check(void);
38 
39 /* Call an OPAL method. Any pointers passed must be real-mode accessible! */
40 int opal_call(uint64_t token, ...);
41 
42 #define OPAL_CONSOLE_WRITE		1
43 #define OPAL_CONSOLE_READ		2
44 #define OPAL_RTC_READ			3
45 #define OPAL_RTC_WRITE			4
46 #define	OPAL_CEC_POWER_DOWN		5
47 #define	OPAL_CEC_REBOOT			6
48 #define	OPAL_HANDLE_INTERRUPT		9
49 #define	OPAL_POLL_EVENTS		10
50 #define	OPAL_PCI_CONFIG_READ_BYTE	13
51 #define	OPAL_PCI_CONFIG_READ_HALF_WORD	14
52 #define	OPAL_PCI_CONFIG_READ_WORD	15
53 #define	OPAL_PCI_CONFIG_WRITE_BYTE	16
54 #define	OPAL_PCI_CONFIG_WRITE_HALF_WORD	17
55 #define	OPAL_PCI_CONFIG_WRITE_WORD	18
56 #define	OPAL_PCI_EEH_FREEZE_STATUS	23
57 #define	OPAL_PCI_EEH_FREEZE_CLEAR	26
58 #define	OPAL_PCI_PHB_MMIO_ENABLE	27
59 #define	OPAL_PCI_SET_PHB_MEM_WINDOW	28
60 #define	OPAL_PCI_MAP_PE_MMIO_WINDOW	29
61 #define	OPAL_PCI_SET_XIVE_PE		37
62 #define	OPAL_PCI_RESET			49
63 #define	OPAL_PCI_POLL			62
64 #define	OPAL_SET_XIVE           	19
65 #define	OPAL_GET_XIVE           	20
66 #define	OPAL_PCI_SET_PE			31
67 #define	OPAL_GET_MSI_32			39
68 #define	OPAL_GET_MSI_64			40
69 #define	OPAL_PCI_MSI_EOI		63
70 #define	OPAL_PCI_GET_PHB_DIAG_DATA2	64
71 #define	OPAL_START_CPU			41
72 #define	OPAL_PCI_MAP_PE_DMA_WINDOW	44
73 #define	OPAL_PCI_MAP_PE_DMA_WINDOW_REAL	45
74 #define	OPAL_RETURN_CPU			69
75 #define	OPAL_REINIT_CPUS		70
76 #define	OPAL_CHECK_TOKEN		80
77 #define	OPAL_GET_MSG			85
78 #define	OPAL_CHECK_ASYNC_COMPLETION	86
79 #define	OPAL_SENSOR_READ		88
80 #define	OPAL_HANDLE_HMI			98
81 #define	OPAL_IPMI_SEND			107
82 #define	OPAL_IPMI_RECV			108
83 #define	OPAL_I2C_REQUEST		109
84 #define	OPAL_FLASH_READ			110
85 #define	OPAL_FLASH_WRITE		111
86 #define	OPAL_FLASH_ERASE		112
87 #define	OPAL_INT_GET_XIRR		122
88 #define	OPAL_INT_SET_CPPR		123
89 #define	OPAL_INT_EOI			124
90 #define	OPAL_INT_SET_MFRR		125
91 #define	OPAL_PCI_TCE_KILL		126
92 #define	OPAL_XIVE_RESET			128
93 #define	OPAL_XIVE_GET_IRQ_INFO		129
94 #define	OPAL_XIVE_GET_IRQ_CONFIG	130
95 #define	OPAL_XIVE_SET_IRQ_CONFIG	131
96 #define	OPAL_XIVE_GET_QUEUE_INFO	132
97 #define	OPAL_XIVE_SET_QUEUE_INFO	133
98 #define	OPAL_XIVE_DONATE_PAGE		134
99 #define	OPAL_XIVE_ALLOCATE_VP_BLOCK	135
100 #define	OPAL_XIVE_FREE_VP_BLOCK		136
101 #define	OPAL_XIVE_GET_VP_INFO		137
102 #define	OPAL_XIVE_SET_VP_INFO		138
103 #define	OPAL_XIVE_ALLOCATE_IRQ		139
104 #define	OPAL_XIVE_FREE_IRQ		140
105 #define	OPAL_XIVE_SYNC			141
106 #define	OPAL_XIVE_DUMP			142
107 #define	OPAL_SENSOR_GROUP_CLEAR		156
108 #define	OPAL_SENSOR_READ_U64		162
109 #define	OPAL_SENSOR_GROUP_ENABLE	163
110 #define	OPAL_HANDLE_HMI2		166
111 
112 /* For OPAL_PCI_SET_PE */
113 #define	OPAL_UNMAP_PE			0
114 #define OPAL_MAP_PE			1
115 
116 #define	OPAL_PCI_BUS_ANY		0
117 #define	OPAL_PCI_BUS_3BITS		2
118 #define	OPAL_PCI_BUS_4BITS		3
119 #define	OPAL_PCI_BUS_5BITS		4
120 #define	OPAL_PCI_BUS_6BITS		5
121 #define	OPAL_PCI_BUS_7BITS		6
122 #define	OPAL_PCI_BUS_ALL		7 /* Match bus number exactly */
123 
124 #define	OPAL_IGNORE_RID_DEVICE_NUMBER	0
125 #define	OPAL_COMPARE_RID_DEVICE_NUMBER	1
126 
127 #define	OPAL_IGNORE_RID_FUNC_NUMBER	0
128 #define	OPAL_COMPARE_RID_FUNC_NUMBER	1
129 
130 #define	OPAL_SUCCESS			0
131 #define	OPAL_PARAMETER			-1
132 #define	OPAL_BUSY			-2
133 #define	OPAL_CLOSED			-5
134 #define	OPAL_HARDWARE			-6
135 #define	OPAL_UNSUPPORTED		-7
136 #define	OPAL_RESOURCE			-10
137 #define	OPAL_BUSY_EVENT			-12
138 #define	OPAL_ASYNC_COMPLETION		-15
139 #define	OPAL_EMPTY			-16
140 #define	OPAL_XIVE_PROVISIONING		-31
141 #define	OPAL_XIVE_FREE_ACTIVE		-32
142 
143 #define	OPAL_TOKEN_ABSENT		0
144 #define	OPAL_TOKEN_PRESENT		1
145 
146 #define	OPAL_EVENT_OPAL_INTERNAL	0x1
147 #define	OPAL_EVENT_NVRAM		0x2
148 #define	OPAL_EVENT_RTC			0x4
149 #define	OPAL_EVENT_CONSOLE_INPUT	0x8
150 #define	OPAL_EVENT_CONSOLE_OUTPUT	0x10
151 #define	OPAL_EVENT_ERROR_LOG_AVAIL	0x20
152 #define	OPAL_EVENT_ERROR_LOG		0x40
153 #define	OPAL_EVENT_EPOW			0x80
154 #define	OPAL_EVENT_LED_STATUS		0x100
155 #define	OPAL_EVENT_PCI_ERROR		0x200
156 #define	OPAL_EVENT_DUMP_AVAIL		0x400
157 #define	OPAL_EVENT_MSG_PENDING		0x800
158 
159 #define	OPAL_HMI_FLAGS_TB_RESYNC	(1ull << 0)
160 #define	OPAL_HMI_FLAGS_DEC_LOST		(1ull << 1)
161 #define	OPAL_HMI_FLAGS_HDEC_LOST	(1ull << 2)
162 #define	OPAL_HMI_FLAGS_TOD_TB_FAIL	(1ull << 3)
163 #define	OPAL_HMI_FLAGS_NEW_EVENT	(1ull << 63)
164 
165 #define	OPAL_XIVE_XICS_MODE_EMU	0
166 #define	OPAL_XIVE_XICS_MODE_EXP	1
167 
168 #define	OPAL_XIVE_VP_ENABLED		0x00000001
169 #define	OPAL_XIVE_VP_SINGLE_ESCALATION	0x00000002
170 
171 #define	OPAL_XIVE_EQ_ENABLED		0x00000001
172 #define	OPAL_XIVE_EQ_ALWAYS_NOTIFY	0x00000002
173 #define	OPAL_XIVE_EQ_ESCALATE		0x00000004
174 
175 struct opal_msg {
176 	uint32_t msg_type;
177 	uint32_t reserved;
178 	uint64_t params[8];
179 };
180 
181 enum opal_msg_type {
182 	OPAL_MSG_ASYNC_COMP	= 0,
183 	OPAL_MSG_MEM_ERR	= 1,
184 	OPAL_MSG_EPOW		= 2,
185 	OPAL_MSG_SHUTDOWN	= 3,
186 	OPAL_MSG_HMI_EVT	= 4,
187 	OPAL_MSG_DPO		= 5,
188 	OPAL_MSG_PRD		= 6,
189 	OPAL_MSG_OCC		= 7,
190 	OPAL_MSG_TYPE_MAX,
191 };
192 
193 #define	OPAL_IPMI_MSG_FORMAT_VERSION_1	1
194 
195 struct opal_ipmi_msg {
196 	uint8_t version;
197 	uint8_t netfn;
198 	uint8_t cmd;
199 	uint8_t data[];
200 };
201 
202 int	opal_init_async_tokens(int);
203 int	opal_alloc_async_token(void);
204 void	opal_free_async_token(int);
205 int	opal_wait_completion(void *, uint64_t, int);
206 
207 typedef void (*opal_msg_handler_fn)(void *, struct opal_msg *);
208 EVENTHANDLER_DECLARE(OPAL_ASYNC_COMP, opal_msg_handler_fn);
209 EVENTHANDLER_DECLARE(OPAL_EPOW, opal_msg_handler_fn);
210 EVENTHANDLER_DECLARE(OPAL_SHUTDOWN, opal_msg_handler_fn);
211 EVENTHANDLER_DECLARE(OPAL_HMI_EVT, opal_msg_handler_fn);
212 EVENTHANDLER_DECLARE(OPAL_DPO, opal_msg_handler_fn);
213 EVENTHANDLER_DECLARE(OPAL_OCC, opal_msg_handler_fn);
214 EVENTHANDLER_LIST_DECLARE(OPAL_ASYNC_COMP);
215 EVENTHANDLER_LIST_DECLARE(OPAL_EPOW);
216 EVENTHANDLER_LIST_DECLARE(OPAL_SHUTDOWN);
217 EVENTHANDLER_LIST_DECLARE(OPAL_HMI_EVT);
218 EVENTHANDLER_LIST_DECLARE(OPAL_DPO);
219 EVENTHANDLER_LIST_DECLARE(OPAL_OCC);
220 #endif
221