e057d5fcd9
This includes: - fixing various structure definitions so that the ioctl parameter match - adding a hw.twa*.driver_version sysctl - do not refuse multiple device openings, as the management tool will do it. I'm not sure we are safe. FreeBSD allows multiple openings, and use the open flag only when an attempt to detach the device is done.
162 lines
5.5 KiB
C
162 lines
5.5 KiB
C
/* $NetBSD: twaio.h,v 1.4 2006/09/23 22:16:35 manu Exp $ */
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/* $wasabi: twaio.h,v 1.8 2006/04/27 17:12:39 wrstuden Exp $ */
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/*-
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* Copyright (c) 2003-04 3ware, Inc.
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* All rights reserved.
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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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* 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 the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*$FreeBSD: src/sys/dev/twa/twa_ioctl.h,v 1.1 2004/03/30 03:45:59 vkashyap Exp $
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*/
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/*
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* 3ware driver for 9000 series storage controllers.
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*
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* Author: Vinod Kashyap
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*/
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#ifndef _DEV_PCI_TWAIO_H_
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#define _DEV_PCI_TWAIO_H_
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#define TWA_AEN_NOT_RETRIEVED 0x1
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#define TWA_AEN_RETRIEVED 0x2
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#define TWA_ERROR_AEN_NO_EVENTS 0x1003 /* No more events */
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#define TWA_ERROR_AEN_OVERFLOW 0x1004 /* AEN clobber occurred */
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#define TWA_ERROR_IOCTL_LOCK_NOT_HELD 0x1001 /* Not locked */
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#define TWA_ERROR_IOCTL_LOCK_ALREADY_HELD 0x1002 /* Already locked */
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struct twa_scan_bus_packet {
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uint32_t unit;
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} __attribute__ ((packed));
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struct tw_cl_event_packet {
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uint32_t sequence_id;
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uint32_t time_stamp_sec;
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uint16_t aen_code;
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uint8_t severity;
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uint8_t retrieved;
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uint8_t repeat_count;
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uint8_t parameter_len;
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uint8_t parameter_data[98];
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uint32_t event_src;
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uint8_t severity_str[20];
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} __attribute__ ((packed));
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struct tw_cl_lock_packet {
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uint32_t timeout_msec;
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uint32_t time_remaining_msec;
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uint32_t force_flag;
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} __attribute__ ((packed));
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struct tw_cl_compatibility_packet {
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uint8_t driver_version[32];/* driver version */
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uint16_t working_srl; /* driver & firmware negotiated srl */
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uint16_t working_branch; /* branch # of the firmware that the driver is compatible with */
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uint16_t working_build; /* build # of the firmware that the driver is compatible with */
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} __attribute__ ((packed));
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struct twa_driver_packet {
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uint32_t control_code;
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uint32_t status;
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uint32_t unique_id;
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uint32_t sequence_id;
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uint32_t os_status;
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uint32_t buffer_length;
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} __attribute__ ((packed));
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/* Account for differences between 32/64 bit system. Offsets into memory
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* are anticipated for driver/firmware command packets and having a
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* variable sized pointer depending on architecture add 4 bytes to any offset
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* after the pdata declaration
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*/
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#define TW_SIZEOF_VOIDPTR (sizeof(void *))
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struct twa_ioctl_9k {
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struct twa_driver_packet twa_drvr_pkt;
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void *pdata; /* points to data_buf */
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int8_t padding[488 - TW_SIZEOF_VOIDPTR];
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struct twa_command_packet twa_cmd_pkt;
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int8_t data_buf[1];
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} __attribute__ ((packed));
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typedef struct twa_ioctl_with_payload {
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struct twa_driver_packet twa_drvr_pkt;
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int8_t padding[488];
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struct twa_command_packet twa_cmd_pkt;
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union {
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struct tw_cl_event_packet event_pkt;
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struct tw_cl_lock_packet lock_pkt;
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struct tw_cl_compatibility_packet compat_pkt;
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int8_t data_buf[1];
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} payload;
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} __attribute__ ((packed)) TWA_IOCTL_WITH_PAYLOAD;
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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 twa_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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typedef struct twa_ioctl_no_data_buf {
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struct twa_driver_packet twa_drvr_pkt;
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void *pdata; /* points to data_buf */
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int8_t padding[488 - TW_SIZEOF_VOIDPTR];
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struct twa_command_packet twa_cmd_pkt;
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} __attribute__ ((packed)) TWA_IOCTL_NO_DATA_BUF;
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/*
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* Get the device external name of the specified array unit.
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*/
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/* WASABI */
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struct twa_unitname {
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int tn_unit;
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char tn_name[16]; /* XXX sizeof(dev->dv_xname) */
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};
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#define TW_OSL_IOCTL_SCAN_BUS _IO ('T', 200)
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#define TW_OSL_IOCTL_FIRMWARE_PASS_THROUGH \
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_IOWR('T', 202, TWA_IOCTL_NO_DATA_BUF)
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#define TW_CL_IOCTL_GET_FIRST_EVENT _IOWR('T', 203, TWA_IOCTL_WITH_PAYLOAD)
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#define TW_CL_IOCTL_GET_LAST_EVENT _IOWR('T', 204, TWA_IOCTL_WITH_PAYLOAD)
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#define TW_CL_IOCTL_GET_NEXT_EVENT _IOWR('T', 205, TWA_IOCTL_WITH_PAYLOAD)
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#define TW_CL_IOCTL_GET_PREVIOUS_EVENT _IOWR('T', 206, TWA_IOCTL_WITH_PAYLOAD)
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#define TW_CL_IOCTL_GET_LOCK _IOWR('T', 207, TWA_IOCTL_WITH_PAYLOAD)
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#define TW_CL_IOCTL_RELEASE_LOCK _IOWR('T', 208, TWA_IOCTL_WITH_PAYLOAD)
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#define TW_CL_IOCTL_GET_COMPATIBILITY_INFO \
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_IOWR('T', 209, TWA_IOCTL_WITH_PAYLOAD)
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/* WASABI */
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#define TWA_IOCTL_GET_UNITNAME _IOWR('T', 220, struct twa_unitname)
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#endif /* _DEV_PCI_TWAIO_H_ */
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