root/sys/dev/ic/mfiio.h
/*-
 * Copyright (c) 2006 IronPort Systems
 * 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.
 */
#include <dev/ic/mfireg.h>
#include <sys/ioctl.h>

/*
 * these structures are used for LSI's MegaCli on both FreeBSD and Linux
 * We will also use them in the NetBSD driver.
 */

#define MAX_SPACE_FOR_SENSE_PTR         32
union mfi_sense_ptr {
        uint8_t         sense_ptr_data[MAX_SPACE_FOR_SENSE_PTR];
        void            *user_space;
        struct {
                uint32_t        low;
                uint32_t        high; 
        } addr;
} __packed;


#define MAX_IOCTL_SGE   16

struct mfi_ioc_packet {
        uint16_t        mfi_adapter_no;
        uint16_t        mfi_pad1;       
        uint32_t        mfi_sgl_off;    
        uint32_t        mfi_sge_count;
        uint32_t        mfi_sense_off;
        uint32_t        mfi_sense_len;
        union {
                uint8_t raw[128];       
                struct mfi_frame_header hdr;
        } mfi_frame;

        struct iovec mfi_sgl[MAX_IOCTL_SGE];
} __packed;

struct mfi_ioc_aen {
        uint16_t        aen_adapter_no;
        uint16_t        aen_pad1;
        uint32_t        aen_seq_num;
        uint32_t        aen_class_locale;
} __packed;

#define MFI_CMD         _IOWR('M', 1, struct mfi_ioc_packet)
#define MFI_SET_AEN     _IOW('M', 3, struct mfi_ioc_aen)

#ifdef _LP64
struct iovec32 {
        u_int32_t       iov_base;
        int             iov_len;
};

struct mfi_ioc_packet32 {
        uint16_t        mfi_adapter_no;
        uint16_t        mfi_pad1;       
        uint32_t        mfi_sgl_off;    
        uint32_t        mfi_sge_count;
        uint32_t        mfi_sense_off;
        uint32_t        mfi_sense_len;
        union {
                uint8_t raw[128];       
                struct mfi_frame_header hdr;
        } mfi_frame;

        struct iovec32 mfi_sgl[MAX_IOCTL_SGE];
} __packed;
#define MFI_CMD32       _IOWR('M', 1, struct mfi_ioc_packet32)
#endif