1 /* 2 * Copyright (c) 2004-07 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 169400 2007-05-09 04:16:32Z scottl $ 28 */ 29 30 /* 31 * AMCC'S 3ware driver for 9000 series storage controllers. 32 * 33 * Author: Vinod Kashyap 34 * Modifications by: Adam Radford 35 */ 36 37 38 39 #ifndef TW_OSL_IOCTL_H 40 41 #define TW_OSL_IOCTL_H 42 43 44 /* 45 * Macros and structures for OS Layer/Common Layer handled ioctls. 46 */ 47 48 49 50 #include <dev/raid/twa/tw_cl_fwif.h> 51 #include <dev/raid/twa/tw_cl_ioctl.h> 52 53 54 55 #pragma pack(1) 56 /* 57 * We need the structure below to ensure that the first byte of 58 * data_buf is not overwritten by the kernel, after we return 59 * from the ioctl call. Note that cmd_pkt has been reduced 60 * to an array of 1024 bytes even though it's actually 2048 bytes 61 * in size. This is because, we don't expect requests from user 62 * land requiring 2048 (273 sg elements) byte cmd pkts. 63 */ 64 typedef struct tw_osli_ioctl_no_data_buf { 65 struct tw_cl_driver_packet driver_pkt; 66 TW_VOID *pdata; /* points to data_buf */ 67 TW_INT8 padding[488 - sizeof(TW_VOID *)]; 68 struct tw_cl_command_packet cmd_pkt; 69 } TW_OSLI_IOCTL_NO_DATA_BUF; 70 71 #pragma pack() 72 73 /* ioctl cmds handled by the OS Layer */ 74 #define TW_OSL_IOCTL_SCAN_BUS \ 75 _IO('T', 200) 76 #define TW_OSL_IOCTL_FIRMWARE_PASS_THROUGH \ 77 _IOWR('T', 202, TW_OSLI_IOCTL_NO_DATA_BUF) 78 79 80 #include <sys/ioccom.h> 81 82 #pragma pack(1) 83 84 typedef struct tw_osli_ioctl_with_payload { 85 struct tw_cl_driver_packet driver_pkt; 86 TW_INT8 padding[488]; 87 struct tw_cl_command_packet cmd_pkt; 88 union { 89 struct tw_cl_event_packet event_pkt; 90 struct tw_cl_lock_packet lock_pkt; 91 struct tw_cl_compatibility_packet compat_pkt; 92 TW_INT8 data_buf[1]; 93 } payload; 94 } TW_OSLI_IOCTL_WITH_PAYLOAD; 95 96 #pragma pack() 97 98 /* ioctl cmds handled by the Common Layer */ 99 #define TW_CL_IOCTL_GET_FIRST_EVENT \ 100 _IOWR('T', 203, TW_OSLI_IOCTL_WITH_PAYLOAD) 101 #define TW_CL_IOCTL_GET_LAST_EVENT \ 102 _IOWR('T', 204, TW_OSLI_IOCTL_WITH_PAYLOAD) 103 #define TW_CL_IOCTL_GET_NEXT_EVENT \ 104 _IOWR('T', 205, TW_OSLI_IOCTL_WITH_PAYLOAD) 105 #define TW_CL_IOCTL_GET_PREVIOUS_EVENT \ 106 _IOWR('T', 206, TW_OSLI_IOCTL_WITH_PAYLOAD) 107 #define TW_CL_IOCTL_GET_LOCK \ 108 _IOWR('T', 207, TW_OSLI_IOCTL_WITH_PAYLOAD) 109 #define TW_CL_IOCTL_RELEASE_LOCK \ 110 _IOWR('T', 208, TW_OSLI_IOCTL_WITH_PAYLOAD) 111 #define TW_CL_IOCTL_GET_COMPATIBILITY_INFO \ 112 _IOWR('T', 209, TW_OSLI_IOCTL_WITH_PAYLOAD) 113 114 115 116 #endif /* TW_OSL_IOCTL_H */ 117