1537078d8f
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352 lines
8.7 KiB
C
352 lines
8.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2004-07 Applied Micro Circuits Corporation.
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* Copyright (c) 2004-05 Vinod Kashyap.
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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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* $FreeBSD$
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*/
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/*
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* AMCC'S 3ware driver for 9000 series storage controllers.
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*
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* Author: Vinod Kashyap
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* Modifications by: Adam Radford
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*/
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#ifndef TW_OSL_INLINE_H
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#define TW_OSL_INLINE_H
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/*
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* Inline functions shared between OSL and CL, and defined by OSL.
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*/
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#include <dev/twa/tw_osl.h>
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/*
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* Function name: tw_osl_init_lock
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* Description: Initializes a lock.
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*
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* Input: ctlr_handle -- ptr to controller handle
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* lock_name -- string indicating name of the lock
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* Output: lock -- ptr to handle to the initialized lock
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* Return value: None
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*/
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#define tw_osl_init_lock(ctlr_handle, lock_name, lock) \
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mtx_init(lock, lock_name, NULL, MTX_SPIN)
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/*
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* Function name: tw_osl_destroy_lock
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* Description: Destroys a previously initialized lock.
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*
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* Input: ctlr_handle -- ptr to controller handle
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* lock -- ptr to handle to the lock to be
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* destroyed
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* Output: None
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* Return value: None
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*/
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#define tw_osl_destroy_lock(ctlr_handle, lock) \
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mtx_destroy(lock)
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/*
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* Function name: tw_osl_get_lock
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* Description: Acquires the specified lock.
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*
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* Input: ctlr_handle -- ptr to controller handle
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* lock -- ptr to handle to the lock to be
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* acquired
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* Output: None
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* Return value: None
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*/
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#define tw_osl_get_lock(ctlr_handle, lock) \
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mtx_lock_spin(lock)
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/*
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* Function name: tw_osl_free_lock
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* Description: Frees a previously acquired lock.
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*
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* Input: ctlr_handle -- ptr to controller handle
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* lock -- ptr to handle to the lock to be freed
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* Output: None
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* Return value: None
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*/
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#define tw_osl_free_lock(ctlr_handle, lock) \
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mtx_unlock_spin(lock)
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#ifdef TW_OSL_DEBUG
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/*
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* Function name: tw_osl_dbg_printf
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* Description: Prints passed info (prefixed by ctlr name)to syslog
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*
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* Input: ctlr_handle -- controller handle
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* fmt -- format string for the arguments to follow
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* ... -- variable number of arguments, to be printed
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* based on the fmt string
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* Output: None
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* Return value: Number of bytes printed
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*/
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#define tw_osl_dbg_printf(ctlr_handle, fmt, args...) \
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twa_printf((ctlr_handle->osl_ctlr_ctxt), fmt, ##args)
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#endif /* TW_OSL_DEBUG */
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/*
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* Function name: tw_osl_notify_event
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* Description: Prints passed event info (prefixed by ctlr name)
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* to syslog
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*
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* Input: ctlr_handle -- controller handle
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* event -- ptr to a packet describing the event/error
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* Output: None
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* Return value: None
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*/
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#define tw_osl_notify_event(ctlr_handle, event) \
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twa_printf((ctlr_handle->osl_ctlr_ctxt), \
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"%s: (0x%02X: 0x%04X): %s: %s\n", \
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event->severity_str, \
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event->event_src, \
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event->aen_code, \
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event->parameter_data + \
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strlen(event->parameter_data) + 1, \
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event->parameter_data)
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/*
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* Function name: tw_osl_read_reg
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* Description: Reads a register on the controller
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*
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* Input: ctlr_handle -- controller handle
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* offset -- offset from Base Address
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* size -- # of bytes to read
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* Output: None
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* Return value: Value read
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*/
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#define tw_osl_read_reg tw_osl_read_reg_inline
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static __inline TW_UINT32
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tw_osl_read_reg_inline(struct tw_cl_ctlr_handle *ctlr_handle,
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TW_INT32 offset, TW_INT32 size)
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{
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bus_space_tag_t bus_tag =
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((struct twa_softc *)(ctlr_handle->osl_ctlr_ctxt))->bus_tag;
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bus_space_handle_t bus_handle =
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((struct twa_softc *)(ctlr_handle->osl_ctlr_ctxt))->bus_handle;
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if (size == 4)
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return((TW_UINT32)bus_space_read_4(bus_tag, bus_handle,
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offset));
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else if (size == 2)
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return((TW_UINT32)bus_space_read_2(bus_tag, bus_handle,
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offset));
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else
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return((TW_UINT32)bus_space_read_1(bus_tag, bus_handle,
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offset));
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}
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/*
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* Function name: tw_osl_write_reg
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* Description: Writes to a register on the controller
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*
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* Input: ctlr_handle -- controller handle
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* offset -- offset from Base Address
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* value -- value to write
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* size -- # of bytes to write
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* Output: None
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* Return value: None
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*/
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#define tw_osl_write_reg tw_osl_write_reg_inline
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static __inline TW_VOID
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tw_osl_write_reg_inline(struct tw_cl_ctlr_handle *ctlr_handle,
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TW_INT32 offset, TW_INT32 value, TW_INT32 size)
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{
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bus_space_tag_t bus_tag =
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((struct twa_softc *)(ctlr_handle->osl_ctlr_ctxt))->bus_tag;
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bus_space_handle_t bus_handle =
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((struct twa_softc *)(ctlr_handle->osl_ctlr_ctxt))->bus_handle;
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if (size == 4)
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bus_space_write_4(bus_tag, bus_handle, offset, value);
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else if (size == 2)
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bus_space_write_2(bus_tag, bus_handle, offset, (TW_INT16)value);
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else
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bus_space_write_1(bus_tag, bus_handle, offset, (TW_INT8)value);
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}
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#ifdef TW_OSL_PCI_CONFIG_ACCESSIBLE
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/*
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* Function name: tw_osl_read_pci_config
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* Description: Reads from the PCI config space.
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*
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* Input: sc -- ptr to per ctlr structure
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* offset -- register offset
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* size -- # of bytes to be read
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* Output: None
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* Return value: Value read
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*/
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#define tw_osl_read_pci_config(ctlr_handle, offset, size) \
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pci_read_config( \
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((struct twa_softc *)(ctlr_handle->osl_ctlr_ctxt))->bus_dev, \
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offset, size)
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/*
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* Function name: tw_osl_write_pci_config
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* Description: Writes to the PCI config space.
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*
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* Input: sc -- ptr to per ctlr structure
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* offset -- register offset
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* value -- value to write
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* size -- # of bytes to be written
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* Output: None
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* Return value: None
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*/
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#define tw_osl_write_pci_config(ctlr_handle, offset, value, size) \
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pci_write_config( \
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((struct twa_softc *)(ctlr_handle->osl_ctlr_ctxt))->bus_dev, \
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offset/*PCIR_STATUS*/, value, size)
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#endif /* TW_OSL_PCI_CONFIG_ACCESSIBLE */
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/*
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* Function name: tw_osl_get_local_time
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* Description: Gets the local time
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*
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* Input: None
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* Output: None
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* Return value: local time
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*/
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#define tw_osl_get_local_time() \
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(time_second - utc_offset())
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/*
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* Function name: tw_osl_delay
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* Description: Spin for the specified time
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*
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* Input: usecs -- micro-seconds to spin
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* Output: None
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* Return value: None
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*/
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#define tw_osl_delay(usecs) DELAY(usecs)
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#ifdef TW_OSL_CAN_SLEEP
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/*
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* Function name: tw_osl_sleep
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* Description: Sleep for the specified time, or until woken up
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*
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* Input: ctlr_handle -- controller handle
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* sleep_handle -- handle to sleep on
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* timeout -- time period (in ms) to sleep
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* Output: None
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* Return value: 0 -- successfully woken up
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* EWOULDBLOCK -- time out
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* ERESTART -- woken up by a signal
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*/
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#define tw_osl_sleep(ctlr_handle, sleep_handle, timeout) \
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tsleep((TW_VOID *)sleep_handle, PRIBIO, NULL, timeout)
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/*
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* Function name: tw_osl_wakeup
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* Description: Wake up a sleeping process
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*
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* Input: ctlr_handle -- controller handle
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* sleep_handle -- handle of sleeping process to be
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woken up
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* Output: None
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* Return value: None
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*/
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#define tw_osl_wakeup(ctlr_handle, sleep_handle) \
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wakeup_one(sleep_handle)
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#endif /* TW_OSL_CAN_SLEEP */
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/* Allows setting breakpoints in the CL code for debugging purposes. */
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#define tw_osl_breakpoint() breakpoint()
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/* Text name of current function. */
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#define tw_osl_cur_func() __func__
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/* Copy 'size' bytes from 'src' to 'dest'. */
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#define tw_osl_memcpy(dest, src, size) bcopy(src, dest, size)
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/* Zero 'size' bytes starting at 'addr'. */
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#define tw_osl_memzero bzero
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/* Standard sprintf. */
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#define tw_osl_sprintf sprintf
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/* Copy string 'src' to 'dest'. */
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#define tw_osl_strcpy strcpy
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/* Return length of string pointed at by 'str'. */
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#define tw_osl_strlen strlen
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/* Standard vsprintf. */
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#define tw_osl_vsprintf vsprintf
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#endif /* TW_OSL_INLINE_H */
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