tw_osl_ioctl.h revision 144966
1/* 2 * Copyright (c) 2004-05 Applied Micro Circuits Corporation. 3 * Copyright (c) 2004-05 Vinod Kashyap. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: head/sys/dev/twa/tw_osl_ioctl.h 144966 2005-04-12 22:07:11Z vkashyap $ 28 */ 29 30/* 31 * AMCC'S 3ware driver for 9000 series storage controllers. 32 * 33 * Author: Vinod Kashyap 34 */ 35 36 37 38#ifndef TW_OSL_IOCTL_H 39 40#define TW_OSL_IOCTL_H 41 42 43/* 44 * Macros and structures for OS Layer/Common Layer handled ioctls. 45 */ 46 47 48 49#include "tw_cl_fwif.h" 50#include "tw_cl_ioctl.h" 51 52 53 54#pragma pack(1) 55/* 56 * We need the structure below to ensure that the first byte of 57 * data_buf is not overwritten by the kernel, after we return 58 * from the ioctl call. Note that cmd_pkt has been reduced 59 * to an array of 1024 bytes even though it's actually 2048 bytes 60 * in size. This is because, we don't expect requests from user 61 * land requiring 2048 (273 sg elements) byte cmd pkts. 62 */ 63typedef struct tw_osli_ioctl_no_data_buf { 64 struct tw_cl_driver_packet driver_pkt; 65 TW_VOID *pdata; /* points to data_buf */ 66 TW_INT8 padding[488 - sizeof(TW_VOID *)]; 67 struct tw_cl_command_packet cmd_pkt; 68} TW_OSLI_IOCTL_NO_DATA_BUF; 69 70#pragma pack() 71 72/* ioctl cmds handled by the OS Layer */ 73#define TW_OSL_IOCTL_SCAN_BUS \ 74 _IO('T', 200) 75#define TW_OSL_IOCTL_FIRMWARE_PASS_THROUGH \ 76 _IOWR('T', 202, TW_OSLI_IOCTL_NO_DATA_BUF) 77 78 79#include <sys/ioccom.h> 80 81#pragma pack(1) 82 83typedef struct tw_osli_ioctl_with_payload { 84 struct tw_cl_driver_packet driver_pkt; 85 TW_INT8 padding[488]; 86 struct tw_cl_command_packet cmd_pkt; 87 union { 88 struct tw_cl_event_packet event_pkt; 89 struct tw_cl_lock_packet lock_pkt; 90 struct tw_cl_compatibility_packet compat_pkt; 91 TW_INT8 data_buf[1]; 92 } payload; 93} TW_OSLI_IOCTL_WITH_PAYLOAD; 94 95#pragma pack() 96 97/* ioctl cmds handled by the Common Layer */ 98#define TW_CL_IOCTL_GET_FIRST_EVENT \ 99 _IOWR('T', 203, TW_OSLI_IOCTL_WITH_PAYLOAD) 100#define TW_CL_IOCTL_GET_LAST_EVENT \ 101 _IOWR('T', 204, TW_OSLI_IOCTL_WITH_PAYLOAD) 102#define TW_CL_IOCTL_GET_NEXT_EVENT \ 103 _IOWR('T', 205, TW_OSLI_IOCTL_WITH_PAYLOAD) 104#define TW_CL_IOCTL_GET_PREVIOUS_EVENT \ 105 _IOWR('T', 206, TW_OSLI_IOCTL_WITH_PAYLOAD) 106#define TW_CL_IOCTL_GET_LOCK \ 107 _IOWR('T', 207, TW_OSLI_IOCTL_WITH_PAYLOAD) 108#define TW_CL_IOCTL_RELEASE_LOCK \ 109 _IOWR('T', 208, TW_OSLI_IOCTL_WITH_PAYLOAD) 110#define TW_CL_IOCTL_GET_COMPATIBILITY_INFO \ 111 _IOWR('T', 209, TW_OSLI_IOCTL_WITH_PAYLOAD) 112 113 114 115#endif /* TW_OSL_IOCTL_H */ 116