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Diffstat (limited to 'pvr-source/services4/srvkm/env/linux/proc.h')
| -rw-r--r-- | pvr-source/services4/srvkm/env/linux/proc.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/pvr-source/services4/srvkm/env/linux/proc.h b/pvr-source/services4/srvkm/env/linux/proc.h new file mode 100644 index 0000000..bc2a554 --- /dev/null +++ b/pvr-source/services4/srvkm/env/linux/proc.h @@ -0,0 +1,127 @@ +/*************************************************************************/ /*! +@Title Proc interface definition. +@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved +@Description Functions for creating and reading proc filesystem entries. + Refer to proc.c +@License Dual MIT/GPLv2 + +The contents of this file are subject to the MIT license as set out below. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +Alternatively, the contents of this file may be used under the terms of +the GNU General Public License Version 2 ("GPL") in which case the provisions +of GPL are applicable instead of those above. + +If you wish to allow use of your version of this file only under the terms of +GPL, and not to allow others to use your version of this file under the terms +of the MIT license, indicate your decision by deleting the provisions above +and replace them with the notice and other provisions required by GPL as set +out in the file called "GPL-COPYING" included in this distribution. If you do +not delete the provisions above, a recipient may use your version of this file +under the terms of either the MIT license or GPL. + +This License is also included in this distribution in the file called +"MIT-COPYING". + +EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS +PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR +PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ /**************************************************************************/ + +#ifndef __SERVICES_PROC_H__ +#define __SERVICES_PROC_H__ + +#include <asm/system.h> // va_list etc +#include <linux/proc_fs.h> // read_proc_t etc +#include <linux/seq_file.h> // seq_file + +#define END_OF_FILE (off_t) -1 + +typedef off_t (pvr_read_proc_t)(IMG_CHAR *, size_t, off_t); + + +#define PVR_PROC_SEQ_START_TOKEN (void*)1 +typedef void* (pvr_next_proc_seq_t)(struct seq_file *,void*,loff_t); +typedef void* (pvr_off2element_proc_seq_t)(struct seq_file *, loff_t); +typedef void (pvr_show_proc_seq_t)(struct seq_file *,void*); +typedef void (pvr_startstop_proc_seq_t)(struct seq_file *, IMG_BOOL start); + +typedef struct _PVR_PROC_SEQ_HANDLERS_ { + pvr_next_proc_seq_t *next; + pvr_show_proc_seq_t *show; + pvr_off2element_proc_seq_t *off2element; + pvr_startstop_proc_seq_t *startstop; + IMG_VOID *data; +} PVR_PROC_SEQ_HANDLERS; + + +/** off2element function for elements with only ONE element (no header) */ +void* ProcSeq1ElementOff2Element(struct seq_file *sfile, loff_t off); + +/** off2element function for elements with only ONE element (+ header) */ +void* ProcSeq1ElementHeaderOff2Element(struct seq_file *sfile, loff_t off); + +off_t printAppend(IMG_CHAR * buffer, size_t size, off_t off, const IMG_CHAR * format, ...) + __attribute__((format(printf, 4, 5))); + +IMG_INT CreateProcEntries(IMG_VOID); + +IMG_INT CreateProcReadEntry (const IMG_CHAR * name, pvr_read_proc_t handler); + +IMG_INT CreateProcEntry(const IMG_CHAR * name, read_proc_t rhandler, write_proc_t whandler, IMG_VOID *data); + +IMG_INT CreatePerProcessProcEntry(const IMG_CHAR * name, read_proc_t rhandler, write_proc_t whandler, IMG_VOID *data); + +IMG_VOID RemoveProcEntry(const IMG_CHAR * name); + +IMG_VOID RemovePerProcessProcEntry(const IMG_CHAR * name); + +IMG_VOID RemoveProcEntries(IMG_VOID); + +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 + ); + +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 + ); + +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 + ); + + +IMG_VOID RemoveProcEntrySeq(struct proc_dir_entry* proc_entry); +IMG_VOID RemovePerProcessProcEntrySeq(struct proc_dir_entry* proc_entry); + +#endif |