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_READ_NVRAM 7
49 #define OPAL_WRITE_NVRAM 8
50 #define OPAL_HANDLE_INTERRUPT 9
51 #define OPAL_POLL_EVENTS 10
52 #define OPAL_PCI_CONFIG_READ_BYTE 13
53 #define OPAL_PCI_CONFIG_READ_HALF_WORD 14
54 #define OPAL_PCI_CONFIG_READ_WORD 15
55 #define OPAL_PCI_CONFIG_WRITE_BYTE 16
56 #define OPAL_PCI_CONFIG_WRITE_HALF_WORD 17
57 #define OPAL_PCI_CONFIG_WRITE_WORD 18
58 #define OPAL_PCI_EEH_FREEZE_STATUS 23
59 #define OPAL_CONSOLE_WRITE_BUFFER_SPACE 25
60 #define OPAL_PCI_EEH_FREEZE_CLEAR 26
61 #define OPAL_PCI_PHB_MMIO_ENABLE 27
62 #define OPAL_PCI_SET_PHB_MEM_WINDOW 28
63 #define OPAL_PCI_MAP_PE_MMIO_WINDOW 29
64 #define OPAL_PCI_SET_XIVE_PE 37
65 #define OPAL_PCI_RESET 49
66 #define OPAL_PCI_POLL 62
67 #define OPAL_SET_XIVE 19
68 #define OPAL_GET_XIVE 20
69 #define OPAL_PCI_SET_PE 31
70 #define OPAL_GET_MSI_32 39
71 #define OPAL_GET_MSI_64 40
72 #define OPAL_PCI_MSI_EOI 63
73 #define OPAL_PCI_GET_PHB_DIAG_DATA2 64
74 #define OPAL_START_CPU 41
75 #define OPAL_PCI_MAP_PE_DMA_WINDOW 44
76 #define OPAL_PCI_MAP_PE_DMA_WINDOW_REAL 45
77 #define OPAL_RETURN_CPU 69
78 #define OPAL_REINIT_CPUS 70
79 #define OPAL_CHECK_TOKEN 80
80 #define OPAL_GET_MSG 85
81 #define OPAL_CHECK_ASYNC_COMPLETION 86
82 #define OPAL_SENSOR_READ 88
83 #define OPAL_HANDLE_HMI 98
84 #define OPAL_IPMI_SEND 107
85 #define OPAL_IPMI_RECV 108
86 #define OPAL_I2C_REQUEST 109
87 #define OPAL_FLASH_READ 110
88 #define OPAL_FLASH_WRITE 111
89 #define OPAL_FLASH_ERASE 112
90 #define OPAL_INT_GET_XIRR 122
91 #define OPAL_INT_SET_CPPR 123
92 #define OPAL_INT_EOI 124
93 #define OPAL_INT_SET_MFRR 125
94 #define OPAL_PCI_TCE_KILL 126
95 #define OPAL_NMMU_SET_PTCR 127
96 #define OPAL_XIVE_RESET 128
97 #define OPAL_XIVE_GET_IRQ_INFO 129
98 #define OPAL_XIVE_GET_IRQ_CONFIG 130
99 #define OPAL_XIVE_SET_IRQ_CONFIG 131
100 #define OPAL_XIVE_GET_QUEUE_INFO 132
101 #define OPAL_XIVE_SET_QUEUE_INFO 133
102 #define OPAL_XIVE_DONATE_PAGE 134
103 #define OPAL_XIVE_ALLOCATE_VP_BLOCK 135
104 #define OPAL_XIVE_FREE_VP_BLOCK 136
105 #define OPAL_XIVE_GET_VP_INFO 137
106 #define OPAL_XIVE_SET_VP_INFO 138
107 #define OPAL_XIVE_ALLOCATE_IRQ 139
108 #define OPAL_XIVE_FREE_IRQ 140
109 #define OPAL_XIVE_SYNC 141
110 #define OPAL_XIVE_DUMP 142
111 #define OPAL_SENSOR_GROUP_CLEAR 156
112 #define OPAL_SENSOR_READ_U64 162
113 #define OPAL_SENSOR_GROUP_ENABLE 163
114 #define OPAL_HANDLE_HMI2 166
115
116 /* For OPAL_PCI_SET_PE */
117 #define OPAL_UNMAP_PE 0
118 #define OPAL_MAP_PE 1
119
120 #define OPAL_PCI_BUS_ANY 0
121 #define OPAL_PCI_BUS_3BITS 2
122 #define OPAL_PCI_BUS_4BITS 3
123 #define OPAL_PCI_BUS_5BITS 4
124 #define OPAL_PCI_BUS_6BITS 5
125 #define OPAL_PCI_BUS_7BITS 6
126 #define OPAL_PCI_BUS_ALL 7 /* Match bus number exactly */
127
128 #define OPAL_IGNORE_RID_DEVICE_NUMBER 0
129 #define OPAL_COMPARE_RID_DEVICE_NUMBER 1
130
131 #define OPAL_IGNORE_RID_FUNC_NUMBER 0
132 #define OPAL_COMPARE_RID_FUNC_NUMBER 1
133
134 /* For OPAL_PCI_TCE_KILL */
135 #define OPAL_PCI_TCE_KILL_PAGE 0
136 #define OPAL_PCI_TCE_KILL_PE 1
137 #define OPAL_PCI_TCE_KILL_ALL 2
138
139 #define OPAL_SUCCESS 0
140 #define OPAL_PARAMETER -1
141 #define OPAL_BUSY -2
142 #define OPAL_PARTIAL -3
143 #define OPAL_CONSTRAINED -4
144 #define OPAL_CLOSED -5
145 #define OPAL_HARDWARE -6
146 #define OPAL_UNSUPPORTED -7
147 #define OPAL_PERMISSION -8
148 #define OPAL_NO_MEM -9
149 #define OPAL_RESOURCE -10
150 #define OPAL_INTERNAL_ERROR -11
151 #define OPAL_BUSY_EVENT -12
152 #define OPAL_HARDWARE_FROZEN -13
153 #define OPAL_WRONG_STATE -14
154 #define OPAL_ASYNC_COMPLETION -15
155 #define OPAL_EMPTY -16
156 #define OPAL_I2C_TIMEOUT -17
157 #define OPAL_I2C_INVALID_CMD -18
158 #define OPAL_I2C_LBUS_PARITY -19
159 #define OPAL_I2C_BKEND_OVERRUN -20
160 #define OPAL_I2C_BKEND_ACCESS -21
161 #define OPAL_I2C_ARBT_LOST -22
162 #define OPAL_I2C_NACK_RCVD -23
163 #define OPAL_I2C_STOP_ERR -24
164 #define OPAL_XSCOM_PARTIAL_GOOD -25
165 #define OPAL_XSCOM_ADDR_ERROR -26
166 #define OPAL_XSCOM_CLOCK_ERROR -27
167 #define OPAL_XSCOM_PARITY_ERROR -28
168 #define OPAL_XSCOM_TIMEOUT -29
169 #define OPAL_XSCOM_CTR_OFFLINED -30
170 #define OPAL_XIVE_PROVISIONING -31
171 #define OPAL_XIVE_FREE_ACTIVE -32
172 #define OPAL_TIMEOUT -33
173
174 #define OPAL_TOKEN_ABSENT 0
175 #define OPAL_TOKEN_PRESENT 1
176
177 #define OPAL_EVENT_OPAL_INTERNAL 0x1
178 #define OPAL_EVENT_NVRAM 0x2
179 #define OPAL_EVENT_RTC 0x4
180 #define OPAL_EVENT_CONSOLE_INPUT 0x8
181 #define OPAL_EVENT_CONSOLE_OUTPUT 0x10
182 #define OPAL_EVENT_ERROR_LOG_AVAIL 0x20
183 #define OPAL_EVENT_ERROR_LOG 0x40
184 #define OPAL_EVENT_EPOW 0x80
185 #define OPAL_EVENT_LED_STATUS 0x100
186 #define OPAL_EVENT_PCI_ERROR 0x200
187 #define OPAL_EVENT_DUMP_AVAIL 0x400
188 #define OPAL_EVENT_MSG_PENDING 0x800
189
190 #define OPAL_HMI_FLAGS_TB_RESYNC (1ull << 0)
191 #define OPAL_HMI_FLAGS_DEC_LOST (1ull << 1)
192 #define OPAL_HMI_FLAGS_HDEC_LOST (1ull << 2)
193 #define OPAL_HMI_FLAGS_TOD_TB_FAIL (1ull << 3)
194 #define OPAL_HMI_FLAGS_NEW_EVENT (1ull << 63)
195
196 #define OPAL_XIVE_XICS_MODE_EMU 0
197 #define OPAL_XIVE_XICS_MODE_EXP 1
198
199 #define OPAL_XIVE_SYNC_EAS 0x00000001
200 #define OPAL_XIVE_SYNC_QUEUE 0x00000002
201
202 #define OPAL_XIVE_VP_ENABLED 0x00000001
203 #define OPAL_XIVE_VP_SINGLE_ESCALATION 0x00000002
204
205 #define OPAL_XIVE_EQ_ENABLED 0x00000001
206 #define OPAL_XIVE_EQ_ALWAYS_NOTIFY 0x00000002
207 #define OPAL_XIVE_EQ_ESCALATE 0x00000004
208
209 struct opal_msg {
210 uint32_t msg_type;
211 uint32_t reserved;
212 uint64_t params[8];
213 };
214
215 enum opal_msg_type {
216 OPAL_MSG_ASYNC_COMP = 0,
217 OPAL_MSG_MEM_ERR = 1,
218 OPAL_MSG_EPOW = 2,
219 OPAL_MSG_SHUTDOWN = 3,
220 OPAL_MSG_HMI_EVT = 4,
221 OPAL_MSG_DPO = 5,
222 OPAL_MSG_PRD = 6,
223 OPAL_MSG_OCC = 7,
224 OPAL_MSG_TYPE_MAX,
225 };
226
227 #define OPAL_IPMI_MSG_FORMAT_VERSION_1 1
228
229 struct opal_ipmi_msg {
230 uint8_t version;
231 uint8_t netfn;
232 uint8_t cmd;
233 uint8_t data[];
234 };
235
236 int opal_init_async_tokens(int);
237 int opal_alloc_async_token(void);
238 void opal_free_async_token(int);
239 int opal_wait_completion(void *, uint64_t, int);
240
241 typedef void (*opal_msg_handler_fn)(void *, struct opal_msg *);
242 EVENTHANDLER_DECLARE(OPAL_ASYNC_COMP, opal_msg_handler_fn);
243 EVENTHANDLER_DECLARE(OPAL_EPOW, opal_msg_handler_fn);
244 EVENTHANDLER_DECLARE(OPAL_SHUTDOWN, opal_msg_handler_fn);
245 EVENTHANDLER_DECLARE(OPAL_HMI_EVT, opal_msg_handler_fn);
246 EVENTHANDLER_DECLARE(OPAL_DPO, opal_msg_handler_fn);
247 EVENTHANDLER_DECLARE(OPAL_OCC, opal_msg_handler_fn);
248 EVENTHANDLER_LIST_DECLARE(OPAL_ASYNC_COMP);
249 EVENTHANDLER_LIST_DECLARE(OPAL_EPOW);
250 EVENTHANDLER_LIST_DECLARE(OPAL_SHUTDOWN);
251 EVENTHANDLER_LIST_DECLARE(OPAL_HMI_EVT);
252 EVENTHANDLER_LIST_DECLARE(OPAL_DPO);
253 EVENTHANDLER_LIST_DECLARE(OPAL_OCC);
254 #endif
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