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
  27 #ifndef _POWERNV_OPAL_H
  28 #define _POWERNV_OPAL_H
  29
  30 #include <sys/types.h>
  31 #include <sys/_eventhandler.h>
  32
  33 /* Check if OPAL is correctly instantiated. Will try to instantiate it. */
  34 int opal_check(void);
  35
  36 /* Call an OPAL method. Any pointers passed must be real-mode accessible! */
  37 int opal_call(uint64_t token, ...);
  38
  39 #define OPAL_CONSOLE_WRITE              1
  40 #define OPAL_CONSOLE_READ               2
  41 #define OPAL_RTC_READ                   3
  42 #define OPAL_RTC_WRITE                  4
  43 #define OPAL_CEC_POWER_DOWN             5
  44 #define OPAL_CEC_REBOOT                 6
  45 #define OPAL_READ_NVRAM                 7
  46 #define OPAL_WRITE_NVRAM                8
  47 #define OPAL_HANDLE_INTERRUPT           9
  48 #define OPAL_POLL_EVENTS                10
  49 #define OPAL_PCI_CONFIG_READ_BYTE       13
  50 #define OPAL_PCI_CONFIG_READ_HALF_WORD  14
  51 #define OPAL_PCI_CONFIG_READ_WORD       15
  52 #define OPAL_PCI_CONFIG_WRITE_BYTE      16
  53 #define OPAL_PCI_CONFIG_WRITE_HALF_WORD 17
  54 #define OPAL_PCI_CONFIG_WRITE_WORD      18
  55 #define OPAL_PCI_EEH_FREEZE_STATUS      23
  56 #define OPAL_CONSOLE_WRITE_BUFFER_SPACE 25
  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_NMMU_SET_PTCR              127
  93 #define OPAL_XIVE_RESET                 128
  94 #define OPAL_XIVE_GET_IRQ_INFO          129
  95 #define OPAL_XIVE_GET_IRQ_CONFIG        130
  96 #define OPAL_XIVE_SET_IRQ_CONFIG        131
  97 #define OPAL_XIVE_GET_QUEUE_INFO        132
  98 #define OPAL_XIVE_SET_QUEUE_INFO        133
  99 #define OPAL_XIVE_DONATE_PAGE           134
 100 #define OPAL_XIVE_ALLOCATE_VP_BLOCK     135
 101 #define OPAL_XIVE_FREE_VP_BLOCK         136
 102 #define OPAL_XIVE_GET_VP_INFO           137
 103 #define OPAL_XIVE_SET_VP_INFO           138
 104 #define OPAL_XIVE_ALLOCATE_IRQ          139
 105 #define OPAL_XIVE_FREE_IRQ              140
 106 #define OPAL_XIVE_SYNC                  141
 107 #define OPAL_XIVE_DUMP                  142
 108 #define OPAL_SENSOR_GROUP_CLEAR         156
 109 #define OPAL_SENSOR_READ_U64            162
 110 #define OPAL_SENSOR_GROUP_ENABLE        163
 111 #define OPAL_HANDLE_HMI2                166
 112
 113 /* For OPAL_PCI_SET_PE */
 114 #define OPAL_UNMAP_PE                   0
 115 #define OPAL_MAP_PE                     1
 116
 117 #define OPAL_PCI_BUS_ANY                0
 118 #define OPAL_PCI_BUS_3BITS              2
 119 #define OPAL_PCI_BUS_4BITS              3
 120 #define OPAL_PCI_BUS_5BITS              4
 121 #define OPAL_PCI_BUS_6BITS              5
 122 #define OPAL_PCI_BUS_7BITS              6
 123 #define OPAL_PCI_BUS_ALL                7 /* Match bus number exactly */
 124
 125 #define OPAL_IGNORE_RID_DEVICE_NUMBER   0
 126 #define OPAL_COMPARE_RID_DEVICE_NUMBER  1
 127
 128 #define OPAL_IGNORE_RID_FUNC_NUMBER     0
 129 #define OPAL_COMPARE_RID_FUNC_NUMBER    1
 130
 131 /* For OPAL_PCI_TCE_KILL */
 132 #define OPAL_PCI_TCE_KILL_PAGE          0
 133 #define OPAL_PCI_TCE_KILL_PE            1
 134 #define OPAL_PCI_TCE_KILL_ALL           2
 135
 136 #define OPAL_SUCCESS                    0
 137 #define OPAL_PARAMETER                  -1
 138 #define OPAL_BUSY                       -2
 139 #define OPAL_PARTIAL                    -3
 140 #define OPAL_CONSTRAINED                -4
 141 #define OPAL_CLOSED                     -5
 142 #define OPAL_HARDWARE                   -6
 143 #define OPAL_UNSUPPORTED                -7
 144 #define OPAL_PERMISSION                 -8
 145 #define OPAL_NO_MEM                     -9
 146 #define OPAL_RESOURCE                   -10
 147 #define OPAL_INTERNAL_ERROR             -11
 148 #define OPAL_BUSY_EVENT                 -12
 149 #define OPAL_HARDWARE_FROZEN            -13
 150 #define OPAL_WRONG_STATE                -14
 151 #define OPAL_ASYNC_COMPLETION           -15
 152 #define OPAL_EMPTY                      -16
 153 #define OPAL_I2C_TIMEOUT                -17
 154 #define OPAL_I2C_INVALID_CMD            -18
 155 #define OPAL_I2C_LBUS_PARITY            -19
 156 #define OPAL_I2C_BKEND_OVERRUN          -20
 157 #define OPAL_I2C_BKEND_ACCESS           -21
 158 #define OPAL_I2C_ARBT_LOST              -22
 159 #define OPAL_I2C_NACK_RCVD              -23
 160 #define OPAL_I2C_STOP_ERR               -24
 161 #define OPAL_XSCOM_PARTIAL_GOOD         -25
 162 #define OPAL_XSCOM_ADDR_ERROR           -26
 163 #define OPAL_XSCOM_CLOCK_ERROR          -27
 164 #define OPAL_XSCOM_PARITY_ERROR         -28
 165 #define OPAL_XSCOM_TIMEOUT              -29
 166 #define OPAL_XSCOM_CTR_OFFLINED         -30
 167 #define OPAL_XIVE_PROVISIONING          -31
 168 #define OPAL_XIVE_FREE_ACTIVE           -32
 169 #define OPAL_TIMEOUT                    -33
 170
 171 #define OPAL_TOKEN_ABSENT               0
 172 #define OPAL_TOKEN_PRESENT              1
 173
 174 #define OPAL_EVENT_OPAL_INTERNAL        0x1
 175 #define OPAL_EVENT_NVRAM                0x2
 176 #define OPAL_EVENT_RTC                  0x4
 177 #define OPAL_EVENT_CONSOLE_INPUT        0x8
 178 #define OPAL_EVENT_CONSOLE_OUTPUT       0x10
 179 #define OPAL_EVENT_ERROR_LOG_AVAIL      0x20
 180 #define OPAL_EVENT_ERROR_LOG            0x40
 181 #define OPAL_EVENT_EPOW                 0x80
 182 #define OPAL_EVENT_LED_STATUS           0x100
 183 #define OPAL_EVENT_PCI_ERROR            0x200
 184 #define OPAL_EVENT_DUMP_AVAIL           0x400
 185 #define OPAL_EVENT_MSG_PENDING          0x800
 186
 187 #define OPAL_HMI_FLAGS_TB_RESYNC        (1ull << 0)
 188 #define OPAL_HMI_FLAGS_DEC_LOST         (1ull << 1)
 189 #define OPAL_HMI_FLAGS_HDEC_LOST        (1ull << 2)
 190 #define OPAL_HMI_FLAGS_TOD_TB_FAIL      (1ull << 3)
 191 #define OPAL_HMI_FLAGS_NEW_EVENT        (1ull << 63)
 192
 193 #define OPAL_XIVE_XICS_MODE_EMU 0
 194 #define OPAL_XIVE_XICS_MODE_EXP 1
 195
 196 #define OPAL_XIVE_SYNC_EAS              0x00000001
 197 #define OPAL_XIVE_SYNC_QUEUE            0x00000002
 198
 199 #define OPAL_XIVE_VP_ENABLED            0x00000001
 200 #define OPAL_XIVE_VP_SINGLE_ESCALATION  0x00000002
 201
 202 #define OPAL_XIVE_EQ_ENABLED            0x00000001
 203 #define OPAL_XIVE_EQ_ALWAYS_NOTIFY      0x00000002
 204 #define OPAL_XIVE_EQ_ESCALATE           0x00000004
 205
 206 struct opal_msg {
 207         uint32_t msg_type;
 208         uint32_t reserved;
 209         uint64_t params[8];
 210 };
 211
 212 enum opal_msg_type {
 213         OPAL_MSG_ASYNC_COMP     = 0,
 214         OPAL_MSG_MEM_ERR        = 1,
 215         OPAL_MSG_EPOW           = 2,
 216         OPAL_MSG_SHUTDOWN       = 3,
 217         OPAL_MSG_HMI_EVT        = 4,
 218         OPAL_MSG_DPO            = 5,
 219         OPAL_MSG_PRD            = 6,
 220         OPAL_MSG_OCC            = 7,
 221         OPAL_MSG_TYPE_MAX,
 222 };
 223
 224 #define OPAL_IPMI_MSG_FORMAT_VERSION_1  1
 225
 226 struct opal_ipmi_msg {
 227         uint8_t version;
 228         uint8_t netfn;
 229         uint8_t cmd;
 230         uint8_t data[];
 231 };
 232
 233 int     opal_init_async_tokens(int);
 234 int     opal_alloc_async_token(void);
 235 void    opal_free_async_token(int);
 236 int     opal_wait_completion(void *, uint64_t, int);
 237
 238 typedef void (*opal_msg_handler_fn)(void *, struct opal_msg *);
 239 EVENTHANDLER_DECLARE(OPAL_ASYNC_COMP, opal_msg_handler_fn);
 240 EVENTHANDLER_DECLARE(OPAL_EPOW, opal_msg_handler_fn);
 241 EVENTHANDLER_DECLARE(OPAL_SHUTDOWN, opal_msg_handler_fn);
 242 EVENTHANDLER_DECLARE(OPAL_HMI_EVT, opal_msg_handler_fn);
 243 EVENTHANDLER_DECLARE(OPAL_DPO, opal_msg_handler_fn);
 244 EVENTHANDLER_DECLARE(OPAL_OCC, opal_msg_handler_fn);
 245 EVENTHANDLER_LIST_DECLARE(OPAL_ASYNC_COMP);
 246 EVENTHANDLER_LIST_DECLARE(OPAL_EPOW);
 247 EVENTHANDLER_LIST_DECLARE(OPAL_SHUTDOWN);
 248 EVENTHANDLER_LIST_DECLARE(OPAL_HMI_EVT);
 249 EVENTHANDLER_LIST_DECLARE(OPAL_DPO);
 250 EVENTHANDLER_LIST_DECLARE(OPAL_OCC);
 251 #endif