153 lines
6.0 KiB
C
153 lines
6.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2010, LSI Corp.
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* All rights reserved.
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* Author : Manjunath Ranganathaiah
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* Support: freebsdraid@lsi.com
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of the <ORGANIZATION> nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#define TWS_AEN_NOT_RETRIEVED 0x1
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#define TWS_AEN_RETRIEVED 0x2
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#define TWS_AEN_NO_EVENTS 0x1003 /* No more events */
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#define TWS_AEN_OVERFLOW 0x1004 /* AEN overflow occurred */
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#define TWS_IOCTL_LOCK_NOT_HELD 0x1001 /* Not locked */
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#define TWS_IOCTL_LOCK_ALREADY_HELD 0x1002 /* Already locked */
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#define TWS_IOCTL_LOCK_HELD 0x1
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#define TWS_IOCTL_LOCK_FREE 0x0
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#pragma pack(1)
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/* Structure used to handle GET/RELEASE LOCK ioctls. */
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struct tws_lock_packet {
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u_int32_t timeout_msec;
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u_int32_t time_remaining_msec;
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u_int32_t force_flag;
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};
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/* Structure used to handle GET COMPATIBILITY INFO ioctl. */
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struct tws_compatibility_packet {
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u_int8_t driver_version[32];/* driver version */
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u_int16_t working_srl; /* driver & firmware negotiated srl */
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u_int16_t working_branch; /* branch # of the firmware that the
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driver is compatible with */
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u_int16_t working_build; /* build # of the firmware that the
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driver is compatible with */
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u_int16_t driver_srl_high;/* highest driver supported srl */
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u_int16_t driver_branch_high;/* highest driver supported branch */
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u_int16_t driver_build_high;/* highest driver supported build */
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u_int16_t driver_srl_low;/* lowest driver supported srl */
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u_int16_t driver_branch_low;/* lowest driver supported branch */
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u_int16_t driver_build_low;/* lowest driver supported build */
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u_int16_t fw_on_ctlr_srl; /* srl of running firmware */
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u_int16_t fw_on_ctlr_branch;/* branch # of running firmware */
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u_int16_t fw_on_ctlr_build;/* build # of running firmware */
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};
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/* Driver understandable part of the ioctl packet built by the API. */
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struct tws_driver_packet {
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u_int32_t control_code;
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u_int32_t status;
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u_int32_t unique_id;
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u_int32_t sequence_id;
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u_int32_t os_status;
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u_int32_t buffer_length;
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};
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/* ioctl packet built by the API. */
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struct tws_ioctl_packet {
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struct tws_driver_packet driver_pkt;
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char padding[488];
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struct tws_command_packet cmd_pkt;
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char data_buf[1];
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};
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#pragma pack()
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#pragma pack(1)
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/*
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* We need the structure below to ensure that the first byte of
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* data_buf is not overwritten by the kernel, after we return
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* from the ioctl call. Note that cmd_pkt has been reduced
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* to an array of 1024 bytes even though it's actually 2048 bytes
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* in size. This is because, we don't expect requests from user
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* land requiring 2048 (273 sg elements) byte cmd pkts.
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*/
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struct tws_ioctl_no_data_buf {
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struct tws_driver_packet driver_pkt;
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void *pdata; /* points to data_buf */
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char padding[488 - sizeof(void *)];
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struct tws_command_packet cmd_pkt;
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};
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#pragma pack()
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#include <sys/ioccom.h>
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#pragma pack(1)
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struct tws_ioctl_with_payload {
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struct tws_driver_packet driver_pkt;
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char padding[488];
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struct tws_command_packet cmd_pkt;
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union {
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struct tws_event_packet event_pkt;
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struct tws_lock_packet lock_pkt;
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struct tws_compatibility_packet compat_pkt;
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char data_buf[1];
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} payload;
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};
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#pragma pack()
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/* ioctl cmds */
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#define TWS_IOCTL_SCAN_BUS \
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_IO('T', 200)
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#define TWS_IOCTL_FIRMWARE_PASS_THROUGH \
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_IOWR('T', 202, struct tws_ioctl_no_data_buf)
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#define TWS_IOCTL_GET_FIRST_EVENT \
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_IOWR('T', 203, struct tws_ioctl_with_payload)
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#define TWS_IOCTL_GET_LAST_EVENT \
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_IOWR('T', 204, struct tws_ioctl_with_payload)
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#define TWS_IOCTL_GET_NEXT_EVENT \
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_IOWR('T', 205, struct tws_ioctl_with_payload)
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#define TWS_IOCTL_GET_PREVIOUS_EVENT \
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_IOWR('T', 206, struct tws_ioctl_with_payload)
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#define TWS_IOCTL_GET_LOCK \
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_IOWR('T', 207, struct tws_ioctl_with_payload)
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#define TWS_IOCTL_RELEASE_LOCK \
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_IOWR('T', 208, struct tws_ioctl_with_payload)
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#define TWS_IOCTL_GET_COMPATIBILITY_INFO \
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_IOWR('T', 209, struct tws_ioctl_with_payload)
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