root/sys/dev/sfxge/sfxge_ioc.h
/*-
 * Copyright (c) 2014-2016 Solarflare Communications Inc.
 * 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
 *
 * The views and conclusions contained in the software and documentation are
 * those of the authors and should not be interpreted as representing official
 * policies, either expressed or implied, of the FreeBSD Project.
 */

#ifndef _SYS_SFXGE_IOC_H
#define _SYS_SFXGE_IOC_H

#ifdef  __cplusplus
extern "C" {
#endif

#include <sys/types.h>

/* More codes may be added if necessary */
enum sfxge_ioc_codes {
        SFXGE_MCDI_IOC,
        SFXGE_NVRAM_IOC,
        SFXGE_VPD_IOC
};

enum sfxge_nvram_ops {
        SFXGE_NVRAM_OP_SIZE,
        SFXGE_NVRAM_OP_READ,
        SFXGE_NVRAM_OP_WRITE,
        SFXGE_NVRAM_OP_ERASE,
        SFXGE_NVRAM_OP_GET_VER,
        SFXGE_NVRAM_OP_SET_VER
};

enum sfxge_nvram_types {
        SFXGE_NVRAM_TYPE_BOOTROM,
        SFXGE_NVRAM_TYPE_BOOTROM_CFG,
        SFXGE_NVRAM_TYPE_MC,
        SFXGE_NVRAM_TYPE_MC_GOLDEN,
        SFXGE_NVRAM_TYPE_PHY,
        SFXGE_NVRAM_TYPE_NULL_PHY,
        SFXGE_NVRAM_TYPE_FPGA,
        SFXGE_NVRAM_TYPE_FCFW,
        SFXGE_NVRAM_TYPE_CPLD,
        SFXGE_NVRAM_TYPE_FPGA_BACKUP,
        SFXGE_NVRAM_TYPE_DYNAMIC_CFG
};

enum sfxge_vpd_ops {
        SFXGE_VPD_OP_GET_KEYWORD,
        SFXGE_VPD_OP_SET_KEYWORD
};

#define SFXGE_MCDI_MAX_PAYLOAD 0x400
#define SFXGE_VPD_MAX_PAYLOAD 0x100

typedef struct sfxge_ioc_s {
        uint32_t        op;
        union {
                struct {
                        caddr_t         payload;
                        uint32_t        cmd;
                        size_t          len; /* In and out */
                        uint32_t        rc;
                } mcdi;
                struct {
                        uint32_t        op;
                        uint32_t        type;
                        uint32_t        offset;
                        uint32_t        size;
                        uint32_t        subtype;
                        uint16_t        version[4];             /* get/set_ver */
                        caddr_t         data;
                } nvram;
                struct {
                        uint8_t         op;
                        uint8_t         tag;
                        uint16_t        keyword;
                        uint16_t                len; /* In or out */
                        caddr_t         payload;
                } vpd;
        } u;
} __packed sfxge_ioc_t;

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_SFXGE_IOC_H */