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/*
* Copyright (c) 2004-07 Applied Micro Circuits Corporation.
* Copyright (c) 2004-05 Vinod Kashyap.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/dev/twa/tw_osl_inline.h 208969 2010-06-09 21:40:38Z delphij $
*/
/*
* AMCC'S 3ware driver for 9000 series storage controllers.
*
* Author: Vinod Kashyap
* Modifications by: Adam Radford
*/
#ifndef TW_OSL_INLINE_H
#define TW_OSL_INLINE_H
/*
* Inline functions shared between OSL and CL, and defined by OSL.
*/
#include <dev/twa/tw_osl.h>
/*
* Function name: tw_osl_init_lock
* Description: Initializes a lock.
*
* Input: ctlr_handle -- ptr to controller handle
* lock_name -- string indicating name of the lock
* Output: lock -- ptr to handle to the initialized lock
* Return value: None
*/
#define tw_osl_init_lock(ctlr_handle, lock_name, lock) \
mtx_init(lock, lock_name, NULL, MTX_SPIN)
/*
* Function name: tw_osl_destroy_lock
* Description: Destroys a previously initialized lock.
*
* Input: ctlr_handle -- ptr to controller handle
* lock -- ptr to handle to the lock to be
* destroyed
* Output: None
* Return value: None
*/
#define tw_osl_destroy_lock(ctlr_handle, lock) \
mtx_destroy(lock)
/*
* Function name: tw_osl_get_lock
* Description: Acquires the specified lock.
*
* Input: ctlr_handle -- ptr to controller handle
* lock -- ptr to handle to the lock to be
* acquired
* Output: None
* Return value: None
*/
#define tw_osl_get_lock(ctlr_handle, lock) \
mtx_lock_spin(lock)
/*
* Function name: tw_osl_free_lock
* Description: Frees a previously acquired lock.
*
* Input: ctlr_handle -- ptr to controller handle
* lock -- ptr to handle to the lock to be freed
* Output: None
* Return value: None
*/
#define tw_osl_free_lock(ctlr_handle, lock) \
mtx_unlock_spin(lock)
#ifdef TW_OSL_DEBUG
/*
* Function name: tw_osl_dbg_printf
* Description: Prints passed info (prefixed by ctlr name)to syslog
*
* Input: ctlr_handle -- controller handle
* fmt -- format string for the arguments to follow
* ... -- variable number of arguments, to be printed
* based on the fmt string
* Output: None
* Return value: Number of bytes printed
*/
#define tw_osl_dbg_printf(ctlr_handle, fmt, args...) \
twa_printf((ctlr_handle->osl_ctlr_ctxt), fmt, ##args)
#endif /* TW_OSL_DEBUG */
/*
* Function name: tw_osl_notify_event
* Description: Prints passed event info (prefixed by ctlr name)
* to syslog
*
* Input: ctlr_handle -- controller handle
* event -- ptr to a packet describing the event/error
* Output: None
* Return value: None
*/
#define tw_osl_notify_event(ctlr_handle, event) \
twa_printf((ctlr_handle->osl_ctlr_ctxt), \
"%s: (0x%02X: 0x%04X): %s: %s\n", \
event->severity_str, \
event->event_src, \
event->aen_code, \
event->parameter_data + \
strlen(event->parameter_data) + 1, \
event->parameter_data)
/*
* Function name: tw_osl_read_reg
* Description: Reads a register on the controller
*
* Input: ctlr_handle -- controller handle
* offset -- offset from Base Address
* size -- # of bytes to read
* Output: None
* Return value: Value read
*/
#define tw_osl_read_reg tw_osl_read_reg_inline
static __inline TW_UINT32
tw_osl_read_reg_inline(struct tw_cl_ctlr_handle *ctlr_handle,
TW_INT32 offset, TW_INT32 size)
{
bus_space_tag_t bus_tag =
((struct twa_softc *)(ctlr_handle->osl_ctlr_ctxt))->bus_tag;
bus_space_handle_t bus_handle =
((struct twa_softc *)(ctlr_handle->osl_ctlr_ctxt))->bus_handle;
if (size == 4)
return((TW_UINT32)bus_space_read_4(bus_tag, bus_handle,
offset));
else if (size == 2)
return((TW_UINT32)bus_space_read_2(bus_tag, bus_handle,
offset));
else
return((TW_UINT32)bus_space_read_1(bus_tag, bus_handle,
offset));
}
/*
* Function name: tw_osl_write_reg
* Description: Writes to a register on the controller
*
* Input: ctlr_handle -- controller handle
* offset -- offset from Base Address
* value -- value to write
* size -- # of bytes to write
* Output: None
* Return value: None
*/
#define tw_osl_write_reg tw_osl_write_reg_inline
static __inline TW_VOID
tw_osl_write_reg_inline(struct tw_cl_ctlr_handle *ctlr_handle,
TW_INT32 offset, TW_INT32 value, TW_INT32 size)
{
bus_space_tag_t bus_tag =
((struct twa_softc *)(ctlr_handle->osl_ctlr_ctxt))->bus_tag;
bus_space_handle_t bus_handle =
((struct twa_softc *)(ctlr_handle->osl_ctlr_ctxt))->bus_handle;
if (size == 4)
bus_space_write_4(bus_tag, bus_handle, offset, value);
else if (size == 2)
bus_space_write_2(bus_tag, bus_handle, offset, (TW_INT16)value);
else
bus_space_write_1(bus_tag, bus_handle, offset, (TW_INT8)value);
}
#ifdef TW_OSL_PCI_CONFIG_ACCESSIBLE
/*
* Function name: tw_osl_read_pci_config
* Description: Reads from the PCI config space.
*
* Input: sc -- ptr to per ctlr structure
* offset -- register offset
* size -- # of bytes to be read
* Output: None
* Return value: Value read
*/
#define tw_osl_read_pci_config(ctlr_handle, offset, size) \
pci_read_config( \
((struct twa_softc *)(ctlr_handle->osl_ctlr_ctxt))->bus_dev, \
offset, size)
/*
* Function name: tw_osl_write_pci_config
* Description: Writes to the PCI config space.
*
* Input: sc -- ptr to per ctlr structure
* offset -- register offset
* value -- value to write
* size -- # of bytes to be written
* Output: None
* Return value: None
*/
#define tw_osl_write_pci_config(ctlr_handle, offset, value, size) \
pci_write_config( \
((struct twa_softc *)(ctlr_handle->osl_ctlr_ctxt))->bus_dev, \
offset/*PCIR_STATUS*/, value, size)
#endif /* TW_OSL_PCI_CONFIG_ACCESSIBLE */
/*
* Function name: tw_osl_get_local_time
* Description: Gets the local time
*
* Input: None
* Output: None
* Return value: local time
*/
#define tw_osl_get_local_time() \
(time_second - utc_offset())
/*
* Function name: tw_osl_delay
* Description: Spin for the specified time
*
* Input: usecs -- micro-seconds to spin
* Output: None
* Return value: None
*/
#define tw_osl_delay(usecs) DELAY(usecs)
#ifdef TW_OSL_CAN_SLEEP
/*
* Function name: tw_osl_sleep
* Description: Sleep for the specified time, or until woken up
*
* Input: ctlr_handle -- controller handle
* sleep_handle -- handle to sleep on
* timeout -- time period (in ms) to sleep
* Output: None
* Return value: 0 -- successfully woken up
* EWOULDBLOCK -- time out
* ERESTART -- woken up by a signal
*/
#define tw_osl_sleep(ctlr_handle, sleep_handle, timeout) \
tsleep((TW_VOID *)sleep_handle, PRIBIO, NULL, timeout)
/*
* Function name: tw_osl_wakeup
* Description: Wake up a sleeping process
*
* Input: ctlr_handle -- controller handle
* sleep_handle -- handle of sleeping process to be
woken up
* Output: None
* Return value: None
*/
#define tw_osl_wakeup(ctlr_handle, sleep_handle) \
wakeup_one(sleep_handle)
#endif /* TW_OSL_CAN_SLEEP */
/* Allows setting breakpoints in the CL code for debugging purposes. */
#define tw_osl_breakpoint() breakpoint()
/* Text name of current function. */
#define tw_osl_cur_func() __func__
/* Copy 'size' bytes from 'src' to 'dest'. */
#define tw_osl_memcpy(dest, src, size) bcopy(src, dest, size)
/* Zero 'size' bytes starting at 'addr'. */
#define tw_osl_memzero bzero
/* Standard sprintf. */
#define tw_osl_sprintf sprintf
/* Copy string 'src' to 'dest'. */
#define tw_osl_strcpy strcpy
/* Return length of string pointed at by 'str'. */
#define tw_osl_strlen strlen
/* Standard vsprintf. */
#define tw_osl_vsprintf vsprintf
#endif /* TW_OSL_INLINE_H */