linux-imx

/*

 * Copyright 2015 IBM Corp.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version

 * 2 of the License, or (at your option) any later version.

 */

​

​

#include <linux/compiler.h>

#include <linux/types.h>

#include <linux/delay.h>

#include <asm/byteorder.h>

#include "hcalls.h"

#include "trace.h"

​

#define CXL_HCALL_TIMEOUT 60000

#define CXL_HCALL_TIMEOUT_DOWNLOAD 120000

​

#define H_ATTACH_CA_PROCESS    0x344

#define H_CONTROL_CA_FUNCTION  0x348

#define H_DETACH_CA_PROCESS    0x34C

#define H_COLLECT_CA_INT_INFO  0x350

#define H_CONTROL_CA_FAULTS    0x354

#define H_DOWNLOAD_CA_FUNCTION 0x35C

#define H_DOWNLOAD_CA_FACILITY 0x364

#define H_CONTROL_CA_FACILITY  0x368

​

#define H_CONTROL_CA_FUNCTION_RESET                   1 /* perform a reset */

#define H_CONTROL_CA_FUNCTION_SUSPEND_PROCESS         2 /* suspend a process from being executed */

#define H_CONTROL_CA_FUNCTION_RESUME_PROCESS          3 /* resume a process to be executed */

#define H_CONTROL_CA_FUNCTION_READ_ERR_STATE          4 /* read the error state */

#define H_CONTROL_CA_FUNCTION_GET_AFU_ERR             5 /* collect the AFU error buffer */

#define H_CONTROL_CA_FUNCTION_GET_CONFIG              6 /* collect configuration record */

#define H_CONTROL_CA_FUNCTION_GET_DOWNLOAD_STATE      7 /* query to return download status */

#define H_CONTROL_CA_FUNCTION_TERMINATE_PROCESS       8 /* terminate the process before completion */

#define H_CONTROL_CA_FUNCTION_COLLECT_VPD             9 /* collect VPD */

#define H_CONTROL_CA_FUNCTION_GET_FUNCTION_ERR_INT   11 /* read the function-wide error data based on an interrupt */

#define H_CONTROL_CA_FUNCTION_ACK_FUNCTION_ERR_INT   12 /* acknowledge function-wide error data based on an interrupt */

#define H_CONTROL_CA_FUNCTION_GET_ERROR_LOG          13 /* retrieve the Platform Log ID (PLID) of an error log */

​

#define H_CONTROL_CA_FAULTS_RESPOND_PSL         1

#define H_CONTROL_CA_FAULTS_RESPOND_AFU         2

​

#define H_CONTROL_CA_FACILITY_RESET             1 /* perform a reset */

#define H_CONTROL_CA_FACILITY_COLLECT_VPD       2 /* collect VPD */

​

#define H_DOWNLOAD_CA_FACILITY_DOWNLOAD         1 /* download adapter image */

#define H_DOWNLOAD_CA_FACILITY_VALIDATE         2 /* validate adapter image */

​

​

#define _CXL_LOOP_HCALL(call, rc, retbuf, fn, ...)          \

    {                               \

        unsigned int delay, total_delay = 0;            \

        u64 token = 0;                      \

                                    \

        memset(retbuf, 0, sizeof(retbuf));          \

        while (1) {                     \

            rc = call(fn, retbuf, __VA_ARGS__, token);  \

            token = retbuf[0];              \

            if (rc != H_BUSY && !H_IS_LONG_BUSY(rc))    \

                break;                  \