diff options
Diffstat (limited to 'drivers/staging/epl/proc_fs.c')
| -rw-r--r-- | drivers/staging/epl/proc_fs.c | 410 |
1 files changed, 0 insertions, 410 deletions
diff --git a/drivers/staging/epl/proc_fs.c b/drivers/staging/epl/proc_fs.c deleted file mode 100644 index 9ccf079e67e1..000000000000 --- a/drivers/staging/epl/proc_fs.c +++ /dev/null @@ -1,410 +0,0 @@ -/**************************************************************************** - - (c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29 - www.systec-electronic.com - - Project: openPOWERLINK - - Description: proc fs entry with diagnostic information under Linux - - License: - - 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. - - 3. Neither the name of SYSTEC electronic GmbH nor the names of its - contributors may be used to endorse or promote products derived - from this software without prior written permission. For written - permission, please contact info@systec-electronic.com. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 - COPYRIGHT HOLDERS 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. - - Severability Clause: - - If a provision of this License is or becomes illegal, invalid or - unenforceable in any jurisdiction, that shall not affect: - 1. the validity or enforceability in that jurisdiction of any other - provision of this License; or - 2. the validity or enforceability in other jurisdictions of that or - any other provision of this License. - - ------------------------------------------------------------------------- - - $RCSfile: proc_fs.c,v $ - - $Author: D.Krueger $ - - $Revision: 1.13 $ $Date: 2008/11/07 13:55:56 $ - - $State: Exp $ - - Build Environment: - GNU - - ------------------------------------------------------------------------- - - Revision History: - - 2006/07/31 d.k.: start of implementation - -****************************************************************************/ - -#include "kernel/EplNmtk.h" -#include "user/EplNmtu.h" - -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) -#include "user/EplNmtMnu.h" -#endif - -#include "kernel/EplDllkCal.h" - -//#include <linux/config.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/major.h> -#include <asm/io.h> -#include <asm/uaccess.h> -#include <asm/atomic.h> -#include <linux/proc_fs.h> -#include <linux/spinlock.h> - -#ifdef CONFIG_COLDFIRE -#include <asm/coldfire.h> -#include "fec.h" -#endif - -#include "proc_fs.h" - -/***************************************************************************/ -/* */ -/* */ -/* G L O B A L D E F I N I T I O N S */ -/* */ -/* */ -/***************************************************************************/ - -//--------------------------------------------------------------------------- -// const defines -//--------------------------------------------------------------------------- - -#ifndef EPL_PROC_DEV_NAME -#define EPL_PROC_DEV_NAME "epl" -#endif - -#ifndef DBG_TRACE_POINTS -#define DBG_TRACE_POINTS 23 // # of supported debug trace points -#endif - -#ifndef DBG_TRACE_VALUES -#define DBG_TRACE_VALUES 24 // # of supported debug trace values (size of circular buffer) -#endif - -//--------------------------------------------------------------------------- -// modul global types -//--------------------------------------------------------------------------- - -//--------------------------------------------------------------------------- -// local vars -//--------------------------------------------------------------------------- - -#ifdef _DBG_TRACE_POINTS_ -atomic_t aatmDbgTracePoint_l[DBG_TRACE_POINTS]; -u32 adwDbgTraceValue_l[DBG_TRACE_VALUES]; -u32 dwDbgTraceValueOld_l; -unsigned int uiDbgTraceValuePos_l; -spinlock_t spinlockDbgTraceValue_l; -unsigned long ulDbTraceValueFlags_l; -#endif - -//--------------------------------------------------------------------------- -// local function prototypes -//--------------------------------------------------------------------------- - -static int EplLinProcRead(char *pcBuffer_p, char **ppcStart_p, off_t Offset_p, - int nBufferSize_p, int *pEof_p, void *pData_p); -static int EplLinProcWrite(struct file *file, const char __user * buffer, - unsigned long count, void *data); - -void TgtDbgSignalTracePoint(u8 bTracePointNumber_p); -void TgtDbgPostTraceValue(u32 dwTraceValue_p); - -extern u32 EplIdentuGetRunningRequests(void); - -//=========================================================================// -// // -// P U B L I C F U N C T I O N S // -// // -//=========================================================================// - -tEplKernel EplLinProcInit(void) -{ - struct proc_dir_entry *pProcDirEntry; - pProcDirEntry = create_proc_entry(EPL_PROC_DEV_NAME, S_IRUGO, NULL); - if (pProcDirEntry != NULL) { - pProcDirEntry->read_proc = EplLinProcRead; - pProcDirEntry->write_proc = EplLinProcWrite; - pProcDirEntry->data = NULL; // device number or something else - - } else { - return kEplNoResource; - } - -#ifdef _DBG_TRACE_POINTS_ - // initialize spinlock and circular buffer position - spin_lock_init(&spinlockDbgTraceValue_l); - uiDbgTraceValuePos_l = 0; - dwDbgTraceValueOld_l = 0; -#endif - - return kEplSuccessful; -} - -tEplKernel EplLinProcFree(void) -{ - remove_proc_entry(EPL_PROC_DEV_NAME, NULL); - - return kEplSuccessful; -} - -//--------------------------------------------------------------------------- -// Target specific event signaling (FEC Tx-/Rx-Interrupt, used by Edrv) -//--------------------------------------------------------------------------- - -#ifdef _DBG_TRACE_POINTS_ -void TgtDbgSignalTracePoint(u8 bTracePointNumber_p) -{ - - if (bTracePointNumber_p >= - (sizeof(aatmDbgTracePoint_l) / sizeof(aatmDbgTracePoint_l[0]))) { - goto Exit; - } - - atomic_inc(&aatmDbgTracePoint_l[bTracePointNumber_p]); - - Exit: - - return; - -} - -void TgtDbgPostTraceValue(u32 dwTraceValue_p) -{ - - spin_lock_irqsave(&spinlockDbgTraceValue_l, ulDbTraceValueFlags_l); - if (dwDbgTraceValueOld_l != dwTraceValue_p) { - adwDbgTraceValue_l[uiDbgTraceValuePos_l] = dwTraceValue_p; - uiDbgTraceValuePos_l = - (uiDbgTraceValuePos_l + 1) % DBG_TRACE_VALUES; - dwDbgTraceValueOld_l = dwTraceValue_p; - } - spin_unlock_irqrestore(&spinlockDbgTraceValue_l, ulDbTraceValueFlags_l); - - return; - -} -#endif - -//--------------------------------------------------------------------------- -// Read function for PROC-FS read access -//--------------------------------------------------------------------------- - -static int EplLinProcRead(char *pcBuffer_p, - char **ppcStart_p, - off_t Offset_p, - int nBufferSize_p, int *pEof_p, void *pData_p) -{ - - int nSize; - int Eof; - tEplDllkCalStatistics *pDllkCalStats; - - nSize = 0; - Eof = 0; - - // count calls of this function -#ifdef _DBG_TRACE_POINTS_ - TgtDbgSignalTracePoint(0); -#endif - - //--------------------------------------------------------------- - // generate static information - //--------------------------------------------------------------- - - // ---- Driver information ---- - nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize, - "%s %s (c) 2006 %s\n", - EPL_PRODUCT_NAME, EPL_PRODUCT_VERSION, - EPL_PRODUCT_MANUFACTURER); - - //--------------------------------------------------------------- - // generate process information - //--------------------------------------------------------------- - - // ---- EPL state ---- - nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize, - "NMT state: 0x%04X\n", - (u16) EplNmtkGetNmtState()); - - EplDllkCalGetStatistics(&pDllkCalStats); - - nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize, - "CurAsyncTxGen=%lu CurAsyncTxNmt=%lu CurAsyncRx=%lu\nMaxAsyncTxGen=%lu MaxAsyncTxNmt=%lu MaxAsyncRx=%lu\n", - pDllkCalStats->m_ulCurTxFrameCountGen, - pDllkCalStats->m_ulCurTxFrameCountNmt, - pDllkCalStats->m_ulCurRxFrameCount, - pDllkCalStats->m_ulMaxTxFrameCountGen, - pDllkCalStats->m_ulMaxTxFrameCountNmt, - pDllkCalStats->m_ulMaxRxFrameCount); - -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) - // fetch running IdentRequests - nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize, - "running IdentRequests: 0x%08X\n", - EplIdentuGetRunningRequests()); - - // fetch state of NmtMnu module - { - unsigned int uiMandatorySlaveCount; - unsigned int uiSignalSlaveCount; - u16 wFlags; - - EplNmtMnuGetDiagnosticInfo(&uiMandatorySlaveCount, - &uiSignalSlaveCount, &wFlags); - - nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize, - "MN MandSlaveCount: %u SigSlaveCount: %u Flags: 0x%X\n", - uiMandatorySlaveCount, uiSignalSlaveCount, - wFlags); - - } -#endif - - // ---- FEC state ---- -#ifdef CONFIG_COLDFIRE - { - // Receive the base address - unsigned long base_addr; -#if (EDRV_USED_ETH_CTRL == 0) - // Set the base address of FEC0 - base_addr = FEC_BASE_ADDR_FEC0; -#else - // Set the base address of FEC1 - base_addr = FEC_BASE_ADDR_FEC1; -#endif - - nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize, - "FEC_ECR = 0x%08X FEC_EIR = 0x%08X FEC_EIMR = 0x%08X\nFEC_TCR = 0x%08X FECTFSR = 0x%08X FECRFSR = 0x%08X\n", - FEC_ECR(base_addr), FEC_EIR(base_addr), - FEC_EIMR(base_addr), FEC_TCR(base_addr), - FEC_FECTFSR(base_addr), - FEC_FECRFSR(base_addr)); - } -#endif - - // ---- DBG: TracePoints ---- -#ifdef _DBG_TRACE_POINTS_ - { - int nNum; - - nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize, - "DbgTracePoints:\n"); - for (nNum = 0; - nNum < (sizeof(aatmDbgTracePoint_l) / sizeof(atomic_t)); - nNum++) { - nSize += - snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize, - " TracePoint[%2d]: %d\n", (int)nNum, - atomic_read(&aatmDbgTracePoint_l[nNum])); - } - - nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize, - "DbgTraceValues:\n"); - for (nNum = 0; nNum < DBG_TRACE_VALUES; nNum++) { - if (nNum == uiDbgTraceValuePos_l) { // next value will be stored at that position - nSize += - snprintf(pcBuffer_p + nSize, - nBufferSize_p - nSize, "*%08lX", - adwDbgTraceValue_l[nNum]); - } else { - nSize += - snprintf(pcBuffer_p + nSize, - nBufferSize_p - nSize, " %08lX", - adwDbgTraceValue_l[nNum]); - } - if ((nNum & 0x00000007) == 0x00000007) { // 8 values printed -> end of line reached - nSize += - snprintf(pcBuffer_p + nSize, - nBufferSize_p - nSize, "\n"); - } - } - if ((nNum & 0x00000007) != 0x00000007) { // number of values printed is not a multiple of 8 -> print new line - nSize += - snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize, - "\n"); - } - } -#endif - - Eof = 1; - goto Exit; - - Exit: - - *pEof_p = Eof; - - return (nSize); - -} - -//--------------------------------------------------------------------------- -// Write function for PROC-FS write access -//--------------------------------------------------------------------------- - -static int EplLinProcWrite(struct file *file, const char __user * buffer, - unsigned long count, void *data) -{ - char abBuffer[count + 1]; - int iErr; - int iVal = 0; - tEplNmtEvent NmtEvent; - - if (count > 0) { - iErr = copy_from_user(abBuffer, buffer, count); - if (iErr != 0) { - return count; - } - abBuffer[count] = '\0'; - - iErr = sscanf(abBuffer, "%i", &iVal); - } - if ((iVal <= 0) || (iVal > 0x2F)) { - NmtEvent = kEplNmtEventSwReset; - } else { - NmtEvent = (tEplNmtEvent) iVal; - } - // execute specified NMT command on write access of /proc/epl - EplNmtuNmtEvent(NmtEvent); - - return count; -} |