- 根目录:
- drivers
- staging
- cxt1e1
- sbecom_inline_linux.h
/*
* $Id: sbecom_inline_linux.h,v 1.2 2007/08/15 22:51:35 rickd PMCC4_3_1B $
*/
#ifndef _INC_SBECOM_INLNX_H_
#define _INC_SBECOM_INLNX_H_
/*-----------------------------------------------------------------------------
* sbecom_inline_linux.h - SBE common Linux inlined routines
*
* Copyright (C) 2007 One Stop Systems, Inc.
* Copyright (C) 2005 SBE, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* For further information, contact via email: support@onestopsystems.com
* One Stop Systems, Inc. Escondido, California U.S.A.
*-----------------------------------------------------------------------------
* RCS info:
* RCS revision: $Revision: 1.2 $
* Last changed on $Date: 2007/08/15 22:51:35 $
* Changed by $Author: rickd $
*-----------------------------------------------------------------------------
* $Log: sbecom_inline_linux.h,v $
* Revision 1.2 2007/08/15 22:51:35 rickd
* Remove duplicate version.h entry.
*
* Revision 1.1 2007/08/15 22:50:29 rickd
* Update linux/config for 2.6.18 and later.
*
* Revision 1.0 2005/09/28 00:10:09 rickd
* Initial revision
*
*-----------------------------------------------------------------------------
*/
#if defined (__FreeBSD__) || defined (__NetBSD__)
#include <sys/types.h>
#else
#include <linux/types.h>
#include <linux/version.h>
#if defined(CONFIG_SMP) && ! defined(__SMP__)
#define __SMP__
#endif
#if defined(CONFIG_MODVERSIONS) && defined(MODULE) && ! defined(MODVERSIONS)
#define MODVERSIONS
#endif
#ifdef MODULE
#ifdef MODVERSIONS
#include <config/modversions.h>
#endif
#include <linux/module.h>
#endif
#endif
#include <linux/kernel.h> /* resolves kmalloc references */
#include <linux/skbuff.h> /* resolves skb references */
#include <linux/netdevice.h> /* resolves dev_kree_skb_any */
#include <asm/byteorder.h> /* resolves cpu_to_le32 */
#if 0
/*** PORT POINT WARNING
***
*** Under Linux 2.6 it has been found that compiler is re-ordering
*** in-lined pci_write_32() functions to the detrement of correct
*** hardware setup. Therefore, inlining of PCI accesses has been
*** de-implemented, and subroutine calls have been implemented.
***/
static inline u_int32_t
pci_read_32 (u_int32_t *p)
{
#ifdef FLOW_DEBUG
u_int32_t v;
FLUSH_PCI_READ ();
v = le32_to_cpu (*p);
if (cxt1e1_log_level >= LOG_DEBUG)
pr_info("pci_read : %x = %x\n", (u_int32_t) p, v);
return v;
#else
FLUSH_PCI_READ (); /* */
return le32_to_cpu (*p);
#endif
}
static inline void
pci_write_32 (u_int32_t *p, u_int32_t v)
{
#ifdef FLOW_DEBUG
if (cxt1e1_log_level >= LOG_DEBUG)
pr_info("pci_write: %x = %x\n", (u_int32_t) p, v);
#endif
*p = cpu_to_le32 (v);
FLUSH_PCI_WRITE (); /* This routine is called from routines
* which do multiple register writes
* which themselves need flushing between
* writes in order to guarantee write
* ordering. It is less code-cumbersome
* to flush here-in then to investigate
* and code the many other register
* writing routines. */
}
#else
/* forward reference */
u_int32_t pci_read_32 (u_int32_t *p);
void pci_write_32 (u_int32_t *p, u_int32_t v);
#endif
/*
* system dependent callbacks
*/
/**********/
/* malloc */
/**********/
static inline void *
OS_kmalloc (size_t size)
{
char *ptr = kmalloc (size, GFP_KERNEL | GFP_DMA);
if (ptr)
memset (ptr, 0, size);
return ptr;
}
static inline void
OS_kfree (void *x)
{
kfree (x);
}
/****************/
/* memory token */
/****************/
static inline void *
OS_mem_token_alloc (size_t size)
{
struct sk_buff *skb;
skb = dev_alloc_skb (size);
if (!skb)
{
//pr_warning("no mem in OS_mem_token_alloc !\n");
return 0;
}
return skb;
}
static inline void
OS_mem_token_free (void *token)
{
dev_kfree_skb_any (token);
}
static inline void
OS_mem_token_free_irq (void *token)
{
dev_kfree_skb_irq (token);
}
static inline void *
OS_mem_token_data (void *token)
{
return ((struct sk_buff *) token)->data;
}
static inline void *
OS_mem_token_next (void *token)
{
return 0;
}
static inline int
OS_mem_token_len (void *token)
{
return ((struct sk_buff *) token)->len;
}
static inline int
OS_mem_token_tlen (void *token)
{
return ((struct sk_buff *) token)->len;
}
/***************************************/
/* virtual to physical addr conversion */
/***************************************/
static inline u_long
OS_phystov (void *addr)
{
return (u_long) __va (addr);
}
static inline u_long
OS_vtophys (void *addr)
{
return __pa (addr);
}
/**********/
/* semops */
/**********/
void OS_sem_init (void *, int);
static inline void
OS_sem_free (void *sem)
{
/*
* NOOP - since semaphores structures predeclared w/in structures, no
* longer malloc'd
*/
}
#define SD_SEM_TAKE(sem,desc) down(sem)
#define SD_SEM_GIVE(sem) up(sem)
#define SEM_AVAILABLE 1
#define SEM_TAKEN 0
/**********************/
/* watchdog functions */
/**********************/
struct watchdog
{
struct timer_list h;
struct work_struct work;
void *softc;
void (*func) (void *softc);
int ticks;
int init_tq;
};
static inline int
OS_start_watchdog (struct watchdog * wd)
{
wd->h.expires = jiffies + wd->ticks;
add_timer (&wd->h);
return 0;
}
static inline int
OS_stop_watchdog (struct watchdog * wd)
{
del_timer_sync (&wd->h);
return 0;
}
static inline int
OS_free_watchdog (struct watchdog * wd)
{
OS_stop_watchdog (wd);
OS_kfree (wd);
return 0;
}
/* sleep in microseconds */
void OS_uwait (int usec, char *description);
void OS_uwait_dummy (void);
/* watchdog functions */
int OS_init_watchdog(struct watchdog *wdp, void (*f) (void *), void *ci, int usec);
#endif /*** _INC_SBECOM_INLNX_H_ ***/