1 /* 2 * Copyright (c) 2014, LSI Corp. 3 * All rights reserved. 4 * Author: Marian Choy 5 * Support: freebsdraid@lsi.com 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 3. Neither the name of the <ORGANIZATION> nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 * 34 * The views and conclusions contained in the software and documentation 35 * are those of the authors and should not be interpreted as representing 36 * official policies,either expressed or implied, of the FreeBSD Project. 37 * 38 * Send feedback to: <megaraidfbsd@lsi.com> 39 * Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035 40 * ATTN: MegaRaid FreeBSD 41 * 42 * $FreeBSD: head/sys/dev/mrsas/mrsas_ioctl.h 265555 2014-05-07 16:16:49Z ambrisko $ 43 */ 44 45 #ifndef MRSAS_IOCTL_H 46 #define MRSAS_IOCTL_H 47 48 #ifndef _IOWR 49 #include <sys/ioccom.h> 50 #endif /* !_IOWR */ 51 52 /* 53 * We need to use the same values as the mfi driver until MegaCli adds 54 * support for this (mrsas) driver: 55 * M is for MegaRAID. (This is typically the vendor or product initial) 56 * 1 arbitrary. (This may be used to segment kinds of commands. 57 * (1-9 status, 10-20 policy, etc.) 58 * struct mrsas_iocpacket (sizeof() this parameter will be used.) 59 * These three values are encoded into a somewhat unique, 32-bit value. 60 */ 61 62 #define MRSAS_IOC_FIRMWARE_PASS_THROUGH _IOWR('M', 1, struct mrsas_iocpacket) 63 64 #define MRSAS_IOC_SCAN_BUS _IO('M', 10) 65 66 #define MAX_IOCTL_SGE 16 67 #define MFI_FRAME_DIR_READ 0x0010 68 #define MFI_CMD_LD_SCSI_IO 0x03 69 70 #define INQUIRY_CMD 0x12 71 #define INQUIRY_CMDLEN 6 72 #define INQUIRY_REPLY_LEN 96 73 #define INQUIRY_VENDOR 8 /* Offset in reply data to vendor name */ 74 #define SCSI_SENSE_BUFFERSIZE 96 75 76 #define MEGAMFI_RAW_FRAME_SIZE 128 77 78 79 #pragma pack(1) 80 struct mrsas_iocpacket { 81 u_int16_t host_no; 82 u_int16_t __pad1; 83 u_int32_t sgl_off; 84 u_int32_t sge_count; 85 u_int32_t sense_off; 86 u_int32_t sense_len; 87 union { 88 u_int8_t raw[MEGAMFI_RAW_FRAME_SIZE]; 89 struct mrsas_header hdr; 90 } frame; 91 struct iovec sgl[MAX_IOCTL_SGE]; 92 }; 93 #pragma pack() 94 95 #endif /* MRSAS_IOCTL_H */ 96