1 /*- 2 * Copyright (c) 2001 Michael Smith 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 /******************************************************************************** 30 * Control structures exchanged through the GAM interface with userland 31 * management tools. 32 * 33 * The member naming here is consistent with the Linux driver, with which this 34 * interface is basically compatible. 35 */ 36 struct mly_user_command 37 { 38 unsigned char ControllerNumber; 39 union mly_command_packet CommandMailbox; 40 int DataTransferLength; 41 int RequestSenseLength; 42 void *DataTransferBuffer; 43 void *RequestSenseBuffer; 44 int CommandStatus; /* not in the Linux structure */ 45 }; 46 47 #define MLYIO_COMMAND _IOWR('M', 200, struct mly_user_command) 48 49 struct mly_user_health 50 { 51 unsigned char ControllerNumber; 52 void *HealthStatusBuffer; 53 }; 54 55 #define MLYIO_HEALTH _IOW('M', 201, struct mly_user_health) 56 57 /* 58 * Command queue statistics 59 */ 60 61 #define MLYQ_FREE 0 62 #define MLYQ_BUSY 1 63 #define MLYQ_COMPLETE 2 64 #define MLYQ_COUNT 3 65 66 struct mly_qstat 67 { 68 u_int32_t q_length; 69 u_int32_t q_max; 70 }; 71