| /* |
| * $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 |
| * |
| *----------------------------------------------------------------------------- |
| */ |
| |
| |
| #include <linux/types.h> |
| #include <linux/module.h> |
| #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 */ |
| |
| /* forward reference */ |
| u_int32_t pci_read_32 (u_int32_t *p); |
| void pci_write_32 (u_int32_t *p, u_int32_t v); |
| |
| |
| /* |
| * 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_ ***/ |