diff options
Diffstat (limited to 'drivers/gpu/pvr/proc.c')
| -rw-r--r-- | drivers/gpu/pvr/proc.c | 835 |
1 files changed, 835 insertions, 0 deletions
diff --git a/drivers/gpu/pvr/proc.c b/drivers/gpu/pvr/proc.c new file mode 100644 index 0000000..1df8aff --- /dev/null +++ b/drivers/gpu/pvr/proc.c @@ -0,0 +1,835 @@ +/********************************************************************** + * + * Copyright (C) Imagination Technologies Ltd. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful but, except + * as otherwise stated in writing, 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. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + * Contact Information: + * Imagination Technologies Ltd. <gpl-support@imgtec.com> + * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK + * + ******************************************************************************/ + +#include <linux/version.h> + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)) +#ifndef AUTOCONF_INCLUDED +#include <linux/config.h> +#endif +#endif + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/fs.h> +#include <linux/proc_fs.h> +#include <linux/seq_file.h> + +#include "services_headers.h" + +#include "queue.h" +#include "resman.h" +#include "pvrmmap.h" +#include "pvr_debug.h" +#include "pvrversion.h" +#include "proc.h" +#include "perproc.h" +#include "env_perproc.h" +#include "linkage.h" + +#include "lists.h" + +static struct proc_dir_entry * dir; + +static const IMG_CHAR PVRProcDirRoot[] = "pvr"; + +static IMG_INT pvr_proc_open(struct inode *inode,struct file *file); +static void *pvr_proc_seq_start (struct seq_file *m, loff_t *pos); +static void pvr_proc_seq_stop (struct seq_file *m, void *v); +static void *pvr_proc_seq_next (struct seq_file *m, void *v, loff_t *pos); +static int pvr_proc_seq_show (struct seq_file *m, void *v); +static ssize_t pvr_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos); + +static struct file_operations pvr_proc_operations = +{ + .open = pvr_proc_open, + .read = seq_read, + .write = pvr_proc_write, + .llseek = seq_lseek, + .release = seq_release, +}; + +static struct seq_operations pvr_proc_seq_operations = +{ + .start = pvr_proc_seq_start, + .next = pvr_proc_seq_next, + .stop = pvr_proc_seq_stop, + .show = pvr_proc_seq_show, +}; + +static struct proc_dir_entry* g_pProcQueue; +static struct proc_dir_entry* g_pProcVersion; +static struct proc_dir_entry* g_pProcSysNodes; + +#ifdef DEBUG +static struct proc_dir_entry* g_pProcDebugLevel; +#endif + +#ifdef PVR_MANUAL_POWER_CONTROL +static struct proc_dir_entry* g_pProcPowerLevel; +#endif + + +static void ProcSeqShowVersion(struct seq_file *sfile,void* el); + +static void ProcSeqShowSysNodes(struct seq_file *sfile,void* el); +static void* ProcSeqOff2ElementSysNodes(struct seq_file * sfile, loff_t off); + +off_t printAppend(IMG_CHAR * buffer, size_t size, off_t off, const IMG_CHAR * format, ...) +{ + IMG_INT n; + size_t space = size - (size_t)off; + va_list ap; + + va_start (ap, format); + + n = vsnprintf (buffer+off, space, format, ap); + + va_end (ap); + + if (n >= (IMG_INT)space || n < 0) + { + + buffer[size - 1] = 0; + return (off_t)(size - 1); + } + else + { + return (off + (off_t)n); + } +} + + +void* ProcSeq1ElementOff2Element(struct seq_file *sfile, loff_t off) +{ + PVR_UNREFERENCED_PARAMETER(sfile); + + if(!off) + return (void*)2; + return NULL; +} + + +void* ProcSeq1ElementHeaderOff2Element(struct seq_file *sfile, loff_t off) +{ + PVR_UNREFERENCED_PARAMETER(sfile); + + if(!off) + { + return PVR_PROC_SEQ_START_TOKEN; + } + + + if(off == 1) + return (void*)2; + + return NULL; +} + + +static IMG_INT pvr_proc_open(struct inode *inode,struct file *file) +{ + IMG_INT ret = seq_open(file, &pvr_proc_seq_operations); + + struct seq_file *seq = (struct seq_file*)file->private_data; + struct proc_dir_entry* pvr_proc_entry = PDE(inode); + + + seq->private = pvr_proc_entry->data; + return ret; +} + +static ssize_t pvr_proc_write(struct file *file, const char __user *buffer, + size_t count, loff_t *ppos) +{ + struct inode *inode = file->f_path.dentry->d_inode; + struct proc_dir_entry * dp; + + PVR_UNREFERENCED_PARAMETER(ppos); + dp = PDE(inode); + + if (!dp->write_proc) + return -EIO; + + return dp->write_proc(file, buffer, count, dp->data); +} + + +static void *pvr_proc_seq_start (struct seq_file *proc_seq_file, loff_t *pos) +{ + PVR_PROC_SEQ_HANDLERS *handlers = (PVR_PROC_SEQ_HANDLERS*)proc_seq_file->private; + if(handlers->startstop != NULL) + handlers->startstop(proc_seq_file, IMG_TRUE); + return handlers->off2element(proc_seq_file, *pos); +} + +static void pvr_proc_seq_stop (struct seq_file *proc_seq_file, void *v) +{ + PVR_PROC_SEQ_HANDLERS *handlers = (PVR_PROC_SEQ_HANDLERS*)proc_seq_file->private; + PVR_UNREFERENCED_PARAMETER(v); + + if(handlers->startstop != NULL) + handlers->startstop(proc_seq_file, IMG_FALSE); +} + +static void *pvr_proc_seq_next (struct seq_file *proc_seq_file, void *v, loff_t *pos) +{ + PVR_PROC_SEQ_HANDLERS *handlers = (PVR_PROC_SEQ_HANDLERS*)proc_seq_file->private; + (*pos)++; + if( handlers->next != NULL) + return handlers->next( proc_seq_file, v, *pos ); + return handlers->off2element(proc_seq_file, *pos); +} + +static int pvr_proc_seq_show (struct seq_file *proc_seq_file, void *v) +{ + PVR_PROC_SEQ_HANDLERS *handlers = (PVR_PROC_SEQ_HANDLERS*)proc_seq_file->private; + handlers->show( proc_seq_file,v ); + return 0; +} + + + +static struct proc_dir_entry* CreateProcEntryInDirSeq( + struct proc_dir_entry *pdir, + const IMG_CHAR * name, + IMG_VOID* data, + pvr_next_proc_seq_t next_handler, + pvr_show_proc_seq_t show_handler, + pvr_off2element_proc_seq_t off2element_handler, + pvr_startstop_proc_seq_t startstop_handler, + write_proc_t whandler + ) +{ + + struct proc_dir_entry * file; + mode_t mode; + + if (!dir) + { + PVR_DPF((PVR_DBG_ERROR, "CreateProcEntryInDirSeq: cannot make proc entry /proc/%s/%s: no parent", PVRProcDirRoot, name)); + return NULL; + } + + mode = S_IFREG; + + if (show_handler) + { + mode |= S_IRUGO; + } + + if (whandler) + { + mode |= S_IWUSR; + } + + file=create_proc_entry(name, mode, pdir); + + if (file) + { + PVR_PROC_SEQ_HANDLERS *seq_handlers; + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)) + file->owner = THIS_MODULE; +#endif + + file->proc_fops = &pvr_proc_operations; + file->write_proc = whandler; + + + file->data = kmalloc(sizeof(PVR_PROC_SEQ_HANDLERS), GFP_KERNEL); + if(file->data) + { + seq_handlers = (PVR_PROC_SEQ_HANDLERS*)file->data; + seq_handlers->next = next_handler; + seq_handlers->show = show_handler; + seq_handlers->off2element = off2element_handler; + seq_handlers->startstop = startstop_handler; + seq_handlers->data = data; + + return file; + } + } + + PVR_DPF((PVR_DBG_ERROR, "CreateProcEntryInDirSeq: cannot make proc entry /proc/%s/%s: no memory", PVRProcDirRoot, name)); + return NULL; +} + + +struct proc_dir_entry* CreateProcReadEntrySeq ( + const IMG_CHAR * name, + IMG_VOID* data, + pvr_next_proc_seq_t next_handler, + pvr_show_proc_seq_t show_handler, + pvr_off2element_proc_seq_t off2element_handler, + pvr_startstop_proc_seq_t startstop_handler + ) +{ + return CreateProcEntrySeq(name, + data, + next_handler, + show_handler, + off2element_handler, + startstop_handler, + NULL); +} + +struct proc_dir_entry* CreateProcEntrySeq ( + const IMG_CHAR * name, + IMG_VOID* data, + pvr_next_proc_seq_t next_handler, + pvr_show_proc_seq_t show_handler, + pvr_off2element_proc_seq_t off2element_handler, + pvr_startstop_proc_seq_t startstop_handler, + write_proc_t whandler + ) +{ + return CreateProcEntryInDirSeq( + dir, + name, + data, + next_handler, + show_handler, + off2element_handler, + startstop_handler, + whandler + ); +} + + + +struct proc_dir_entry* CreatePerProcessProcEntrySeq ( + const IMG_CHAR * name, + IMG_VOID* data, + pvr_next_proc_seq_t next_handler, + pvr_show_proc_seq_t show_handler, + pvr_off2element_proc_seq_t off2element_handler, + pvr_startstop_proc_seq_t startstop_handler, + write_proc_t whandler + ) +{ + PVRSRV_ENV_PER_PROCESS_DATA *psPerProc; + IMG_UINT32 ui32PID; + + if (!dir) + { + PVR_DPF((PVR_DBG_ERROR, "CreatePerProcessProcEntrySeq: /proc/%s doesn't exist", PVRProcDirRoot)); + return NULL; + } + + ui32PID = OSGetCurrentProcessIDKM(); + + psPerProc = PVRSRVPerProcessPrivateData(ui32PID); + if (!psPerProc) + { + PVR_DPF((PVR_DBG_ERROR, "CreatePerProcessProcEntrySeq: no per process data")); + + return NULL; + } + + if (!psPerProc->psProcDir) + { + IMG_CHAR dirname[16]; + IMG_INT ret; + + ret = snprintf(dirname, sizeof(dirname), "%u", ui32PID); + + if (ret <=0 || ret >= (IMG_INT)sizeof(dirname)) + { + PVR_DPF((PVR_DBG_ERROR, "CreatePerProcessProcEntries: couldn't generate per process proc directory name \"%u\"", ui32PID)); + return NULL; + } + else + { + psPerProc->psProcDir = proc_mkdir(dirname, dir); + if (!psPerProc->psProcDir) + { + PVR_DPF((PVR_DBG_ERROR, "CreatePerProcessProcEntries: couldn't create per process proc directory /proc/%s/%u", + PVRProcDirRoot, ui32PID)); + return NULL; + } + } + } + + return CreateProcEntryInDirSeq(psPerProc->psProcDir, name, data, next_handler, + show_handler,off2element_handler,startstop_handler,whandler); +} + + +IMG_VOID RemoveProcEntrySeq( struct proc_dir_entry* proc_entry ) +{ + if (dir) + { + void* data = proc_entry->data ; + PVR_DPF((PVR_DBG_MESSAGE, "Removing /proc/%s/%s", PVRProcDirRoot, proc_entry->name)); + + remove_proc_entry(proc_entry->name, dir); + if( data) + kfree( data ); + + } +} + +IMG_VOID RemovePerProcessProcEntrySeq(struct proc_dir_entry* proc_entry) +{ + PVRSRV_ENV_PER_PROCESS_DATA *psPerProc; + + psPerProc = LinuxTerminatingProcessPrivateData(); + if (!psPerProc) + { + psPerProc = PVRSRVFindPerProcessPrivateData(); + if (!psPerProc) + { + PVR_DPF((PVR_DBG_ERROR, "CreatePerProcessProcEntries: can't " + "remove %s, no per process data", proc_entry->name)); + return; + } + } + + if (psPerProc->psProcDir) + { + void* data = proc_entry->data ; + PVR_DPF((PVR_DBG_MESSAGE, "Removing proc entry %s from %s", proc_entry->name, psPerProc->psProcDir->name)); + + remove_proc_entry(proc_entry->name, psPerProc->psProcDir); + if(data) + kfree( data ); + } +} + +static IMG_INT pvr_read_proc(IMG_CHAR *page, IMG_CHAR **start, off_t off, + IMG_INT count, IMG_INT *eof, IMG_VOID *data) +{ + + pvr_read_proc_t *pprn = (pvr_read_proc_t *)data; + + off_t len = pprn (page, (size_t)count, off); + + if (len == END_OF_FILE) + { + len = 0; + *eof = 1; + } + else if (!len) + { + *start = (IMG_CHAR *) 0; + } + else + { + *start = (IMG_CHAR *) 1; + } + + return len; +} + + +static IMG_INT CreateProcEntryInDir(struct proc_dir_entry *pdir, const IMG_CHAR * name, read_proc_t rhandler, write_proc_t whandler, IMG_VOID *data) +{ + struct proc_dir_entry * file; + mode_t mode; + + if (!pdir) + { + PVR_DPF((PVR_DBG_ERROR, "CreateProcEntryInDir: parent directory doesn't exist")); + + return -ENOMEM; + } + + mode = S_IFREG; + + if (rhandler) + { + mode |= S_IRUGO; + } + + if (whandler) + { + mode |= S_IWUSR; + } + + file = create_proc_entry(name, mode, pdir); + + if (file) + { +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)) + file->owner = THIS_MODULE; +#endif + file->read_proc = rhandler; + file->write_proc = whandler; + file->data = data; + + PVR_DPF((PVR_DBG_MESSAGE, "Created proc entry %s in %s", name, pdir->name)); + + return 0; + } + + PVR_DPF((PVR_DBG_ERROR, "CreateProcEntry: cannot create proc entry %s in %s", name, pdir->name)); + + return -ENOMEM; +} + + +IMG_INT CreateProcEntry(const IMG_CHAR * name, read_proc_t rhandler, write_proc_t whandler, IMG_VOID *data) +{ + return CreateProcEntryInDir(dir, name, rhandler, whandler, data); +} + + +IMG_INT CreatePerProcessProcEntry(const IMG_CHAR * name, read_proc_t rhandler, write_proc_t whandler, IMG_VOID *data) +{ + PVRSRV_ENV_PER_PROCESS_DATA *psPerProc; + IMG_UINT32 ui32PID; + + if (!dir) + { + PVR_DPF((PVR_DBG_ERROR, "CreatePerProcessProcEntries: /proc/%s doesn't exist", PVRProcDirRoot)); + + return -ENOMEM; + } + + ui32PID = OSGetCurrentProcessIDKM(); + + psPerProc = PVRSRVPerProcessPrivateData(ui32PID); + if (!psPerProc) + { + PVR_DPF((PVR_DBG_ERROR, "CreatePerProcessProcEntries: no per process data")); + + return -ENOMEM; + } + + if (!psPerProc->psProcDir) + { + IMG_CHAR dirname[16]; + IMG_INT ret; + + ret = snprintf(dirname, sizeof(dirname), "%u", ui32PID); + + if (ret <=0 || ret >= (IMG_INT)sizeof(dirname)) + { + PVR_DPF((PVR_DBG_ERROR, "CreatePerProcessProcEntries: couldn't generate per process proc directory name \"%u\"", ui32PID)); + + return -ENOMEM; + } + else + { + psPerProc->psProcDir = proc_mkdir(dirname, dir); + if (!psPerProc->psProcDir) + { + PVR_DPF((PVR_DBG_ERROR, "CreatePerProcessProcEntries: couldn't create per process proc directory /proc/%s/%u", PVRProcDirRoot, ui32PID)); + + return -ENOMEM; + } + } + } + + return CreateProcEntryInDir(psPerProc->psProcDir, name, rhandler, whandler, data); +} + + +IMG_INT CreateProcReadEntry(const IMG_CHAR * name, pvr_read_proc_t handler) +{ + struct proc_dir_entry * file; + + if (!dir) + { + PVR_DPF((PVR_DBG_ERROR, "CreateProcReadEntry: cannot make proc entry /proc/%s/%s: no parent", PVRProcDirRoot, name)); + + return -ENOMEM; + } + + + file = create_proc_read_entry (name, S_IFREG | S_IRUGO, dir, pvr_read_proc, (IMG_VOID *)handler); + + if (file) + { +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)) + file->owner = THIS_MODULE; +#endif + return 0; + } + + PVR_DPF((PVR_DBG_ERROR, "CreateProcReadEntry: cannot make proc entry /proc/%s/%s: no memory", PVRProcDirRoot, name)); + + return -ENOMEM; +} + + +IMG_INT CreateProcEntries(IMG_VOID) +{ + dir = proc_mkdir (PVRProcDirRoot, NULL); + + if (!dir) + { + PVR_DPF((PVR_DBG_ERROR, "CreateProcEntries: cannot make /proc/%s directory", PVRProcDirRoot)); + + return -ENOMEM; + } + + g_pProcQueue = CreateProcReadEntrySeq("queue", NULL, NULL, ProcSeqShowQueue, ProcSeqOff2ElementQueue, NULL); + g_pProcVersion = CreateProcReadEntrySeq("version", NULL, NULL, ProcSeqShowVersion, ProcSeq1ElementHeaderOff2Element, NULL); + g_pProcSysNodes = CreateProcReadEntrySeq("nodes", NULL, NULL, ProcSeqShowSysNodes, ProcSeqOff2ElementSysNodes, NULL); + + if(!g_pProcQueue || !g_pProcVersion || !g_pProcSysNodes) + { + PVR_DPF((PVR_DBG_ERROR, "CreateProcEntries: couldn't make /proc/%s files", PVRProcDirRoot)); + + return -ENOMEM; + } + + +#ifdef DEBUG + + g_pProcDebugLevel = CreateProcEntrySeq("debug_level", NULL, NULL, + ProcSeqShowDebugLevel, + ProcSeq1ElementOff2Element, NULL, + (IMG_VOID*)PVRDebugProcSetLevel); + if(!g_pProcDebugLevel) + { + PVR_DPF((PVR_DBG_ERROR, "CreateProcEntries: couldn't make /proc/%s/debug_level", PVRProcDirRoot)); + + return -ENOMEM; + } + +#ifdef PVR_MANUAL_POWER_CONTROL + g_pProcPowerLevel = CreateProcEntrySeq("power_control", NULL, NULL, + ProcSeqShowPowerLevel, + ProcSeq1ElementOff2Element, NULL, + PVRProcSetPowerLevel); + if(!g_pProcPowerLevel) + { + PVR_DPF((PVR_DBG_ERROR, "CreateProcEntries: couldn't make /proc/%s/power_control", PVRProcDirRoot)); + + return -ENOMEM; + } +#endif +#endif + + return 0; +} + + +IMG_VOID RemoveProcEntry(const IMG_CHAR * name) +{ + if (dir) + { + remove_proc_entry(name, dir); + PVR_DPF((PVR_DBG_MESSAGE, "Removing /proc/%s/%s", PVRProcDirRoot, name)); + } +} + + +IMG_VOID RemovePerProcessProcEntry(const IMG_CHAR *name) +{ + PVRSRV_ENV_PER_PROCESS_DATA *psPerProc; + + psPerProc = LinuxTerminatingProcessPrivateData(); + if (!psPerProc) + { + psPerProc = PVRSRVFindPerProcessPrivateData(); + if (!psPerProc) + { + PVR_DPF((PVR_DBG_ERROR, "CreatePerProcessProcEntries: can't " + "remove %s, no per process data", name)); + return; + } + } + + if (psPerProc->psProcDir) + { + remove_proc_entry(name, psPerProc->psProcDir); + + PVR_DPF((PVR_DBG_MESSAGE, "Removing proc entry %s from %s", name, psPerProc->psProcDir->name)); + } +} + + +IMG_VOID RemovePerProcessProcDir(PVRSRV_ENV_PER_PROCESS_DATA *psPerProc) +{ + if (psPerProc->psProcDir) + { + while (psPerProc->psProcDir->subdir) + { + PVR_DPF((PVR_DBG_WARNING, "Belatedly removing /proc/%s/%s/%s", PVRProcDirRoot, psPerProc->psProcDir->name, psPerProc->psProcDir->subdir->name)); + + RemoveProcEntry(psPerProc->psProcDir->subdir->name); + } + RemoveProcEntry(psPerProc->psProcDir->name); + } +} + +IMG_VOID RemoveProcEntries(IMG_VOID) +{ +#ifdef DEBUG + RemoveProcEntrySeq( g_pProcDebugLevel ); +#ifdef PVR_MANUAL_POWER_CONTROL + RemoveProcEntrySeq( g_pProcPowerLevel ); +#endif +#endif + + RemoveProcEntrySeq(g_pProcQueue); + RemoveProcEntrySeq(g_pProcVersion); + RemoveProcEntrySeq(g_pProcSysNodes); + + while (dir->subdir) + { + PVR_DPF((PVR_DBG_WARNING, "Belatedly removing /proc/%s/%s", PVRProcDirRoot, dir->subdir->name)); + + RemoveProcEntry(dir->subdir->name); + } + + remove_proc_entry(PVRProcDirRoot, NULL); +} + +static void ProcSeqShowVersion(struct seq_file *sfile,void* el) +{ + SYS_DATA *psSysData; + IMG_CHAR *pszSystemVersionString = "None"; + + if(el == PVR_PROC_SEQ_START_TOKEN) + { + seq_printf(sfile, + "Version %s (%s) %s\n", + PVRVERSION_STRING, + PVR_BUILD_TYPE, PVR_BUILD_DIR); + return; + } + + psSysData = SysAcquireDataNoCheck(); + if(psSysData != IMG_NULL && psSysData->pszVersionString != IMG_NULL) + { + pszSystemVersionString = psSysData->pszVersionString; + } + + seq_printf( sfile, "System Version String: %s\n", pszSystemVersionString); +} + +static const IMG_CHAR *deviceTypeToString(PVRSRV_DEVICE_TYPE deviceType) +{ + switch (deviceType) + { + default: + { + static IMG_CHAR text[10]; + + sprintf(text, "?%x", (IMG_UINT)deviceType); + + return text; + } + } +} + + +static const IMG_CHAR *deviceClassToString(PVRSRV_DEVICE_CLASS deviceClass) +{ + switch (deviceClass) + { + case PVRSRV_DEVICE_CLASS_3D: + { + return "3D"; + } + case PVRSRV_DEVICE_CLASS_DISPLAY: + { + return "display"; + } + case PVRSRV_DEVICE_CLASS_BUFFER: + { + return "buffer"; + } + default: + { + static IMG_CHAR text[10]; + + sprintf(text, "?%x", (IMG_UINT)deviceClass); + return text; + } + } +} + +static IMG_VOID* DecOffPsDev_AnyVaCb(PVRSRV_DEVICE_NODE *psNode, va_list va) +{ + off_t *pOff = va_arg(va, off_t*); + if (--(*pOff)) + { + return IMG_NULL; + } + else + { + return psNode; + } +} + +static void ProcSeqShowSysNodes(struct seq_file *sfile,void* el) +{ + PVRSRV_DEVICE_NODE *psDevNode; + + if(el == PVR_PROC_SEQ_START_TOKEN) + { + seq_printf( sfile, + "Registered nodes\n" + "Addr Type Class Index Ref pvDev Size Res\n"); + return; + } + + psDevNode = (PVRSRV_DEVICE_NODE*)el; + + seq_printf( sfile, + "%p %-8s %-8s %4d %2u %p %3u %p\n", + psDevNode, + deviceTypeToString(psDevNode->sDevId.eDeviceType), + deviceClassToString(psDevNode->sDevId.eDeviceClass), + psDevNode->sDevId.eDeviceClass, + psDevNode->ui32RefCount, + psDevNode->pvDevice, + psDevNode->ui32pvDeviceSize, + psDevNode->hResManContext); +} + +static void* ProcSeqOff2ElementSysNodes(struct seq_file * sfile, loff_t off) +{ + SYS_DATA *psSysData; + PVRSRV_DEVICE_NODE*psDevNode = IMG_NULL; + + PVR_UNREFERENCED_PARAMETER(sfile); + + if(!off) + { + return PVR_PROC_SEQ_START_TOKEN; + } + + psSysData = SysAcquireDataNoCheck(); + if (psSysData != IMG_NULL) + { + + psDevNode = (PVRSRV_DEVICE_NODE*) + List_PVRSRV_DEVICE_NODE_Any_va(psSysData->psDeviceNodeList, + DecOffPsDev_AnyVaCb, + &off); + } + + + return (void*)psDevNode; +} + |