215 lines
4.1 KiB
C
215 lines
4.1 KiB
C
#ifndef _INC_SBECOM_INLNX_H_
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#define _INC_SBECOM_INLNX_H_
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/*-----------------------------------------------------------------------------
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* sbecom_inline_linux.h - SBE common Linux inlined routines
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*
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* Copyright (C) 2007 One Stop Systems, Inc.
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* Copyright (C) 2005 SBE, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* For further information, contact via email: support@onestopsystems.com
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* One Stop Systems, Inc. Escondido, California U.S.A.
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*-----------------------------------------------------------------------------
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*/
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/kernel.h> /* resolves kmalloc references */
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#include <linux/skbuff.h> /* resolves skb references */
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#include <linux/netdevice.h> /* resolves dev_kree_skb_any */
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#include <asm/byteorder.h> /* resolves cpu_to_le32 */
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/* forward reference */
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u_int32_t pci_read_32 (u_int32_t *p);
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void pci_write_32 (u_int32_t *p, u_int32_t v);
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/*
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* system dependent callbacks
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*/
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/**********/
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/* malloc */
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/**********/
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static inline void *
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OS_kmalloc (size_t size)
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{
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char *ptr = kmalloc (size, GFP_KERNEL | GFP_DMA);
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if (ptr)
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memset (ptr, 0, size);
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return ptr;
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}
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static inline void
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OS_kfree (void *x)
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{
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kfree (x);
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}
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/****************/
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/* memory token */
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/****************/
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static inline void *
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OS_mem_token_alloc (size_t size)
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{
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struct sk_buff *skb;
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skb = dev_alloc_skb (size);
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if (!skb)
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{
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//pr_warning("no mem in OS_mem_token_alloc !\n");
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return NULL;
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}
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return skb;
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}
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static inline void
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OS_mem_token_free (void *token)
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{
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dev_kfree_skb_any (token);
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}
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static inline void
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OS_mem_token_free_irq (void *token)
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{
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dev_kfree_skb_irq (token);
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}
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static inline void *
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OS_mem_token_data (void *token)
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{
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return ((struct sk_buff *) token)->data;
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}
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static inline void *
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OS_mem_token_next (void *token)
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{
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return NULL;
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}
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static inline int
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OS_mem_token_len (void *token)
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{
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return ((struct sk_buff *) token)->len;
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}
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static inline int
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OS_mem_token_tlen (void *token)
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{
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return ((struct sk_buff *) token)->len;
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}
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/***************************************/
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/* virtual to physical addr conversion */
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/***************************************/
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static inline u_long
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OS_phystov (void *addr)
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{
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return (u_long) __va (addr);
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}
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static inline u_long
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OS_vtophys (void *addr)
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{
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return __pa (addr);
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}
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/**********/
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/* semops */
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/**********/
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void OS_sem_init (void *, int);
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static inline void
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OS_sem_free (void *sem)
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{
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/*
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* NOOP - since semaphores structures predeclared w/in structures, no
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* longer malloc'd
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*/
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}
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#define SD_SEM_TAKE(sem,desc) down(sem)
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#define SD_SEM_GIVE(sem) up(sem)
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#define SEM_AVAILABLE 1
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#define SEM_TAKEN 0
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/**********************/
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/* watchdog functions */
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/**********************/
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struct watchdog
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{
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struct timer_list h;
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struct work_struct work;
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void *softc;
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void (*func) (void *softc);
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int ticks;
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int init_tq;
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};
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static inline int
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OS_start_watchdog (struct watchdog *wd)
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{
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wd->h.expires = jiffies + wd->ticks;
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add_timer (&wd->h);
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return 0;
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}
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static inline int
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OS_stop_watchdog (struct watchdog *wd)
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{
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del_timer_sync (&wd->h);
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return 0;
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}
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static inline int
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OS_free_watchdog (struct watchdog *wd)
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{
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OS_stop_watchdog (wd);
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OS_kfree (wd);
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return 0;
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}
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/* sleep in microseconds */
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void OS_uwait (int usec, char *description);
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void OS_uwait_dummy (void);
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/* watchdog functions */
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int OS_init_watchdog(struct watchdog *wdp, void (*f) (void *), void *ci, int usec);
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#endif /*** _INC_SBECOM_INLNX_H_ ***/
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