FreeBSD/Linux Kernel Cross Reference
sys/powerpc/powernv/opal.h

     /*-
      * Copyright (c) 2015 Nathan Whitehorn
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: releng/12.0/sys/powerpc/powernv/opal.h 334015 2018-05-22 03:57:32Z jhibbits $
     */
    
    #ifndef _POWERNV_OPAL_H
    #define _POWERNV_OPAL_H
    
    #include <sys/cdefs.h>
    #include <sys/types.h>
    
    /* Check if OPAL is correctly instantiated. Will try to instantiate it. */
    int opal_check(void);
    
    /* Call an OPAL method. Any pointers passed must be real-mode accessible! */
    int opal_call(uint64_t token, ...);
    
    #define OPAL_CONSOLE_WRITE              1
    #define OPAL_CONSOLE_READ               2
    #define OPAL_RTC_READ                   3
    #define OPAL_RTC_WRITE                  4
    #define OPAL_CEC_POWER_DOWN             5
    #define OPAL_CEC_REBOOT                 6
    #define OPAL_HANDLE_INTERRUPT           9
    #define OPAL_POLL_EVENTS                10
    #define OPAL_PCI_CONFIG_READ_BYTE       13
    #define OPAL_PCI_CONFIG_READ_HALF_WORD  14
    #define OPAL_PCI_CONFIG_READ_WORD       15
    #define OPAL_PCI_CONFIG_WRITE_BYTE      16
    #define OPAL_PCI_CONFIG_WRITE_HALF_WORD 17
    #define OPAL_PCI_CONFIG_WRITE_WORD      18
    #define OPAL_PCI_EEH_FREEZE_CLEAR       26
    #define OPAL_PCI_PHB_MMIO_ENABLE        27
    #define OPAL_PCI_SET_PHB_MEM_WINDOW     28
    #define OPAL_PCI_MAP_PE_MMIO_WINDOW     29
    #define OPAL_PCI_SET_XIVE_PE            37
    #define OPAL_PCI_RESET                  49
    #define OPAL_PCI_POLL                   62
    #define OPAL_SET_XIVE                   19
    #define OPAL_GET_XIVE                   20
    #define OPAL_PCI_SET_PE                 31
    #define OPAL_GET_MSI_32                 39
    #define OPAL_GET_MSI_64                 40
    #define OPAL_PCI_MSI_EOI                63
    #define OPAL_PCI_GET_PHB_DIAG_DATA2     64
    #define OPAL_START_CPU                  41
    #define OPAL_PCI_MAP_PE_DMA_WINDOW      44
    #define OPAL_PCI_MAP_PE_DMA_WINDOW_REAL 45
    #define OPAL_RETURN_CPU                 69
    #define OPAL_REINIT_CPUS                70
    #define OPAL_CHECK_ASYNC_COMPLETION     86
    #define OPAL_SENSOR_READ                88
    #define OPAL_IPMI_SEND                  107
    #define OPAL_IPMI_RECV                  108
    #define OPAL_I2C_REQUEST                109
    #define OPAL_INT_GET_XIRR               122
    #define OPAL_INT_SET_CPPR               123
    #define OPAL_INT_EOI                    124
    #define OPAL_INT_SET_MFRR               125
    #define OPAL_PCI_TCE_KILL               126
    #define OPAL_XIVE_RESET                 128
    #define OPAL_SENSOR_GROUP_CLEAR         156
    #define OPAL_SENSOR_READ_U64            162
    #define OPAL_SENSOR_GROUP_ENABLE        163
    
    /* For OPAL_PCI_SET_PE */
    #define OPAL_UNMAP_PE                   0
    #define OPAL_MAP_PE                     1
    
    #define OPAL_PCI_BUS_ANY                0
    #define OPAL_PCI_BUS_3BITS              2
    #define OPAL_PCI_BUS_4BITS              3
    #define OPAL_PCI_BUS_5BITS              4
    #define OPAL_PCI_BUS_6BITS              5
    #define OPAL_PCI_BUS_7BITS              6
    #define OPAL_PCI_BUS_ALL                7 /* Match bus number exactly */
   
   #define OPAL_IGNORE_RID_DEVICE_NUMBER   0
   #define OPAL_COMPARE_RID_DEVICE_NUMBER  1
   
   #define OPAL_IGNORE_RID_FUNC_NUMBER     0
   #define OPAL_COMPARE_RID_FUNC_NUMBER    1
   
   #define OPAL_SUCCESS                    0
   #define OPAL_PARAMETER                  -1
   #define OPAL_BUSY                       -2
   #define OPAL_CLOSED                     -5
   #define OPAL_HARDWARE                   -6
   #define OPAL_UNSUPPORTED                -7
   #define OPAL_RESOURCE                   -10
   #define OPAL_BUSY_EVENT                 -12
   #define OPAL_ASYNC_COMPLETION           -15
   #define OPAL_EMPTY                      -16
   
   struct opal_msg {
           uint32_t msg_type;
           uint32_t reserved;
           uint64_t params[8];
   };
   
   enum opal_msg_type {
           OPAL_MSG_ASYNC_COMP     = 0,
           OPAL_MSG_MEM_ERR        = 1,
           OPAL_MSG_EPOW           = 2,
           OPAL_MSG_SHUTDOWN       = 3,
           OPAL_MSG_HMI_EVT        = 4,
           OPAL_MSG_DPO            = 5,
           OPAL_MSG_PRD            = 6,
           OPAL_MSG_OCC            = 7,
           OPAL_MSG_TYPE_MAX,
   };
   
   #define OPAL_IPMI_MSG_FORMAT_VERSION_1  1
   
   struct opal_ipmi_msg {
           uint8_t version;
           uint8_t netfn;
           uint8_t cmd;
           uint8_t data[];
   };
   
   #endif

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