sys/powerpc/powernv/opal.h

   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