Ramirez Luna, Omar had written, on 11/23/2009 06:50 PM, the following:
Use standard convention to define ioctls.
Currently 'DB' is used as identifier for dspbridge.
*** NOTE: An update in api ioctl definitions is required. ***
Definitely YES ;)
Signed-off-by: Omar Ramirez Luna <omar.ramirez@xxxxxx>
---
arch/arm/plat-omap/include/dspbridge/wcdioctl.h | 142 ++++++++++-------------
drivers/dsp/bridge/pmgr/wcd.c | 116 +++++++++----------
2 files changed, 117 insertions(+), 141 deletions(-)
diff --git a/arch/arm/plat-omap/include/dspbridge/wcdioctl.h b/arch/arm/plat-omap/include/dspbridge/wcdioctl.h
index 397361c..8aaa1ec 100644
--- a/arch/arm/plat-omap/include/dspbridge/wcdioctl.h
+++ b/arch/arm/plat-omap/include/dspbridge/wcdioctl.h
@@ -391,83 +391,67 @@ union Trapped_Args {
} ARGS_UTIL_TESTDLL;
} ;
-#define CMD_BASE 101
-
-/* MGR module offsets */
-#define CMD_MGR_BASE_OFFSET CMD_BASE
-#define CMD_MGR_ENUMNODE_INFO_OFFSET (CMD_MGR_BASE_OFFSET + 0)
-#define CMD_MGR_ENUMPROC_INFO_OFFSET (CMD_MGR_BASE_OFFSET + 1)
-#define CMD_MGR_REGISTEROBJECT_OFFSET (CMD_MGR_BASE_OFFSET + 2)
-#define CMD_MGR_UNREGISTEROBJECT_OFFSET (CMD_MGR_BASE_OFFSET + 3)
-#define CMD_MGR_WAIT_OFFSET (CMD_MGR_BASE_OFFSET + 4)
-
-#ifndef RES_CLEANUP_DISABLE
-#define CMD_MGR_RESOUCES_OFFSET (CMD_MGR_BASE_OFFSET + 5)
-#define CMD_MGR_END_OFFSET CMD_MGR_RESOUCES_OFFSET
-#else
-#define CMD_MGR_END_OFFSET CMD_MGR_WAIT_OFFSET
-#endif
-
-#define CMD_PROC_BASE_OFFSET (CMD_MGR_END_OFFSET + 1)
-#define CMD_PROC_ATTACH_OFFSET (CMD_PROC_BASE_OFFSET + 0)
-#define CMD_PROC_CTRL_OFFSET (CMD_PROC_BASE_OFFSET + 1)
-#define CMD_PROC_DETACH_OFFSET (CMD_PROC_BASE_OFFSET + 2)
-#define CMD_PROC_ENUMNODE_OFFSET (CMD_PROC_BASE_OFFSET + 3)
-#define CMD_PROC_ENUMRESOURCES_OFFSET (CMD_PROC_BASE_OFFSET + 4)
-#define CMD_PROC_GETSTATE_OFFSET (CMD_PROC_BASE_OFFSET + 5)
-#define CMD_PROC_GETTRACE_OFFSET (CMD_PROC_BASE_OFFSET + 6)
-#define CMD_PROC_LOAD_OFFSET (CMD_PROC_BASE_OFFSET + 7)
-#define CMD_PROC_REGISTERNOTIFY_OFFSET (CMD_PROC_BASE_OFFSET + 8)
-#define CMD_PROC_START_OFFSET (CMD_PROC_BASE_OFFSET + 9)
-#define CMD_PROC_RSVMEM_OFFSET (CMD_PROC_BASE_OFFSET + 10)
-#define CMD_PROC_UNRSVMEM_OFFSET (CMD_PROC_BASE_OFFSET + 11)
-#define CMD_PROC_MAPMEM_OFFSET (CMD_PROC_BASE_OFFSET + 12)
-#define CMD_PROC_UNMAPMEM_OFFSET (CMD_PROC_BASE_OFFSET + 13)
-#define CMD_PROC_FLUSHMEMORY_OFFSET (CMD_PROC_BASE_OFFSET + 14)
-#define CMD_PROC_STOP_OFFSET (CMD_PROC_BASE_OFFSET + 15)
-#define CMD_PROC_INVALIDATEMEMORY_OFFSET (CMD_PROC_BASE_OFFSET + 16)
-#define CMD_PROC_END_OFFSET CMD_PROC_INVALIDATEMEMORY_OFFSET
-
-
-#define CMD_NODE_BASE_OFFSET (CMD_PROC_END_OFFSET + 1)
-#define CMD_NODE_ALLOCATE_OFFSET (CMD_NODE_BASE_OFFSET + 0)
-#define CMD_NODE_ALLOCMSGBUF_OFFSET (CMD_NODE_BASE_OFFSET + 1)
-#define CMD_NODE_CHANGEPRIORITY_OFFSET (CMD_NODE_BASE_OFFSET + 2)
-#define CMD_NODE_CONNECT_OFFSET (CMD_NODE_BASE_OFFSET + 3)
-#define CMD_NODE_CREATE_OFFSET (CMD_NODE_BASE_OFFSET + 4)
-#define CMD_NODE_DELETE_OFFSET (CMD_NODE_BASE_OFFSET + 5)
-#define CMD_NODE_FREEMSGBUF_OFFSET (CMD_NODE_BASE_OFFSET + 6)
-#define CMD_NODE_GETATTR_OFFSET (CMD_NODE_BASE_OFFSET + 7)
-#define CMD_NODE_GETMESSAGE_OFFSET (CMD_NODE_BASE_OFFSET + 8)
-#define CMD_NODE_PAUSE_OFFSET (CMD_NODE_BASE_OFFSET + 9)
-#define CMD_NODE_PUTMESSAGE_OFFSET (CMD_NODE_BASE_OFFSET + 10)
-#define CMD_NODE_REGISTERNOTIFY_OFFSET (CMD_NODE_BASE_OFFSET + 11)
-#define CMD_NODE_RUN_OFFSET (CMD_NODE_BASE_OFFSET + 12)
-#define CMD_NODE_TERMINATE_OFFSET (CMD_NODE_BASE_OFFSET + 13)
-#define CMD_NODE_GETUUIDPROPS_OFFSET (CMD_NODE_BASE_OFFSET + 14)
-#define CMD_NODE_END_OFFSET CMD_NODE_GETUUIDPROPS_OFFSET
-
-#define CMD_STRM_BASE_OFFSET (CMD_NODE_END_OFFSET + 1)
-#define CMD_STRM_ALLOCATEBUFFER_OFFSET (CMD_STRM_BASE_OFFSET + 0)
-#define CMD_STRM_CLOSE_OFFSET (CMD_STRM_BASE_OFFSET + 1)
-#define CMD_STRM_FREEBUFFER_OFFSET (CMD_STRM_BASE_OFFSET + 2)
-#define CMD_STRM_GETEVENTHANDLE_OFFSET (CMD_STRM_BASE_OFFSET + 3)
-#define CMD_STRM_GETINFO_OFFSET (CMD_STRM_BASE_OFFSET + 4)
-#define CMD_STRM_IDLE_OFFSET (CMD_STRM_BASE_OFFSET + 5)
-#define CMD_STRM_ISSUE_OFFSET (CMD_STRM_BASE_OFFSET + 6)
-#define CMD_STRM_OPEN_OFFSET (CMD_STRM_BASE_OFFSET + 7)
-#define CMD_STRM_RECLAIM_OFFSET (CMD_STRM_BASE_OFFSET + 8)
-#define CMD_STRM_REGISTERNOTIFY_OFFSET (CMD_STRM_BASE_OFFSET + 9)
-#define CMD_STRM_SELECT_OFFSET (CMD_STRM_BASE_OFFSET + 10)
-#define CMD_STRM_END_OFFSET CMD_STRM_SELECT_OFFSET
-
-/* Communication Memory Manager (UCMM) */
-#define CMD_CMM_BASE_OFFSET (CMD_STRM_END_OFFSET + 1)
-#define CMD_CMM_ALLOCBUF_OFFSET (CMD_CMM_BASE_OFFSET + 0)
-#define CMD_CMM_FREEBUF_OFFSET (CMD_CMM_BASE_OFFSET + 1)
-#define CMD_CMM_GETHANDLE_OFFSET (CMD_CMM_BASE_OFFSET + 2)
-#define CMD_CMM_GETINFO_OFFSET (CMD_CMM_BASE_OFFSET + 3)
-#define CMD_CMM_END_OFFSET CMD_CMM_GETINFO_OFFSET
-
-#define CMD_BASE_END_OFFSET CMD_CMM_END_OFFSET
+/* MGR module */
Documentation/CodingStyle again:
" Chapter 12: Macros, Enums and RTL
[..]
Enums are preferred when defining several related constants.
"
here is a perfect example of this.
using an enum will ensure that any mistakes you might do gets flagged as
well.
+#define MGR_ENUMNODE_INFO _IOWR('DB', 0, unsigned long)
+#define MGR_ENUMPROC_INFO _IOWR('DB', 1, unsigned long)
+#define MGR_REGISTEROBJECT _IOWR('DB', 2, unsigned long)
+#define MGR_UNREGISTEROBJECT _IOWR('DB', 3, unsigned long) /* Deprecated */
cant you use __deprecated to flag instead of putting a Deprecated
comment which is never read?
+#define MGR_WAIT _IOWR('DB', 4, unsigned long)
+#define MGR_GET_PROC_RES _IOR('DB', 5, unsigned long) /* Deprecated */
+
+/* PROC Module */
+#define PROC_ATTACH _IOWR('DB', 6, unsigned long)
+#define PROC_CTRL _IOR('DB', 7, unsigned long)
+#define PROC_DETACH _IOR('DB', 8, unsigned long) /* Deprecated */
+#define PROC_ENUMNODE _IOWR('DB', 9, unsigned long)
+#define PROC_ENUMRESOURCES _IOWR('DB', 10, unsigned long)
+#define PROC_GET_STATE _IOWR('DB', 11, unsigned long)
+#define PROC_GET_TRACE _IOWR('DB', 12, unsigned long)
+#define PROC_LOAD _IOW('DB', 13, unsigned long)
+#define PROC_REGISTERNOTIFY _IOWR('DB', 14, unsigned long)
+#define PROC_START _IOW('DB', 15, unsigned long)
+#define PROC_RSVMEM _IOWR('DB', 16, unsigned long)
+#define PROC_UNRSVMEM _IOW('DB', 17, unsigned long)
+#define PROC_MAPMEM _IOWR('DB', 18, unsigned long)
+#define PROC_UNMAPMEM _IOR('DB', 19, unsigned long)
+#define PROC_FLUSHMEMORY _IOW('DB', 20, unsigned long)
+#define PROC_STOP _IOWR('DB', 21, unsigned long)
+#define PROC_INVALIDATEMEMORY _IOW('DB', 22, unsigned long)
+
+/* NODE Module */
+#define NODE_ALLOCATE _IOWR('DB', 23, unsigned long)
+#define NODE_ALLOCMSGBUF _IOWR('DB', 24, unsigned long)
+#define NODE_CHANGEPRIORITY _IOW('DB', 25, unsigned long)
+#define NODE_CONNECT _IOW('DB', 26, unsigned long)
+#define NODE_CREATE _IOW('DB', 27, unsigned long)
+#define NODE_DELETE _IOW('DB', 28, unsigned long)
+#define NODE_FREEMSGBUF _IOW('DB', 29, unsigned long)
+#define NODE_GETATTR _IOWR('DB', 30, unsigned long)
+#define NODE_GETMESSAGE _IOWR('DB', 31, unsigned long)
+#define NODE_PAUSE _IOW('DB', 32, unsigned long)
+#define NODE_PUTMESSAGE _IOW('DB', 33, unsigned long)
+#define NODE_REGISTERNOTIFY _IOWR('DB', 34, unsigned long)
+#define NODE_RUN _IOW('DB', 35, unsigned long)
+#define NODE_TERMINATE _IOWR('DB', 36, unsigned long)
+#define NODE_GETUUIDPROPS _IOWR('DB', 37, unsigned long)
+
+/* STRM Module */
+#define STRM_ALLOCATEBUFFER _IOWR('DB', 38, unsigned long)
+#define STRM_CLOSE _IOW('DB', 39, unsigned long)
+#define STRM_FREEBUFFER _IOWR('DB', 40, unsigned long)
+#define STRM_GETEVENTHANDLE _IO('DB', 41) /* Not Impl'd */
Then why present?
+#define STRM_GETINFO _IOWR('DB', 42, unsigned long)
+#define STRM_IDLE _IOW('DB', 43, unsigned long)
+#define STRM_ISSUE _IOW('DB', 44, unsigned long)
+#define STRM_OPEN _IOWR('DB', 45, unsigned long)
+#define STRM_RECLAIM _IOWR('DB', 46, unsigned long)
+#define STRM_REGISTERNOTIFY _IOWR('DB', 47, unsigned long)
+#define STRM_SELECT _IOWR('DB', 48, unsigned long)
+
+/* CMM Module */
+#define CMM_ALLOCBUF _IO('DB', 49) /* Not Impl'd */
+#define CMM_FREEBUF _IO('DB', 50) /* Not Impl'd */
then why present?
+#define CMM_GETHANDLE _IOR('DB', 51, unsigned long)
+#define CMM_GETINFO _IOR('DB', 52, unsigned long)
+
#endif /* WCDIOCTL_ */
diff --git a/drivers/dsp/bridge/pmgr/wcd.c b/drivers/dsp/bridge/pmgr/wcd.c
index 0d0ba8e..8ba98af 100644
--- a/drivers/dsp/bridge/pmgr/wcd.c
+++ b/drivers/dsp/bridge/pmgr/wcd.c
@@ -96,65 +96,65 @@ static u32 WCD_cRefs;
*/
static struct WCD_Cmd WCD_cmdTable[] = {
please please remove this structure.. trying to use a switch based
handling is so much easier..
you can even do segregated handling based on:
case _IOC_TYPE('DB') :
ioctl_handler_for_db(...);
break;
/* MGR module */
- {MGRWRAP_EnumNode_Info, CMD_MGR_ENUMNODE_INFO_OFFSET},
- {MGRWRAP_EnumProc_Info, CMD_MGR_ENUMPROC_INFO_OFFSET},
- {MGRWRAP_RegisterObject, CMD_MGR_REGISTEROBJECT_OFFSET},
- {MGRWRAP_UnregisterObject, CMD_MGR_UNREGISTEROBJECT_OFFSET},
- {MGRWRAP_WaitForBridgeEvents, CMD_MGR_WAIT_OFFSET},
+ {MGRWRAP_EnumNode_Info}, /* MGR_ENUMNODE_INFO */
+ {MGRWRAP_EnumProc_Info}, /* MGR_ENUMPROC_INFO */
+ {MGRWRAP_RegisterObject}, /* MGR_REGISTEROBJECT */
+ {MGRWRAP_UnregisterObject}, /* MGR_UNREGISTEROBJECT */
+ {MGRWRAP_WaitForBridgeEvents}, /* MGR_WAIT */
#ifndef RES_CLEANUP_DISABLE
- {MGRWRAP_GetProcessResourcesInfo, CMD_MGR_RESOUCES_OFFSET},
+ {MGRWRAP_GetProcessResourcesInfo}, /* MGR_GET_PROC_RES */
#endif
/* PROC Module */
- {PROCWRAP_Attach, CMD_PROC_ATTACH_OFFSET},
- {PROCWRAP_Ctrl, CMD_PROC_CTRL_OFFSET},
- {PROCWRAP_Detach, CMD_PROC_DETACH_OFFSET},
- {PROCWRAP_EnumNode_Info, CMD_PROC_ENUMNODE_OFFSET},
- {PROCWRAP_EnumResources, CMD_PROC_ENUMRESOURCES_OFFSET},
- {PROCWRAP_GetState, CMD_PROC_GETSTATE_OFFSET},
- {PROCWRAP_GetTrace, CMD_PROC_GETTRACE_OFFSET},
- {PROCWRAP_Load, CMD_PROC_LOAD_OFFSET},
- {PROCWRAP_RegisterNotify, CMD_PROC_REGISTERNOTIFY_OFFSET},
- {PROCWRAP_Start, CMD_PROC_START_OFFSET},
- {PROCWRAP_ReserveMemory, CMD_PROC_RSVMEM_OFFSET},
- {PROCWRAP_UnReserveMemory, CMD_PROC_UNRSVMEM_OFFSET},
- {PROCWRAP_Map, CMD_PROC_MAPMEM_OFFSET},
- {PROCWRAP_UnMap, CMD_PROC_UNMAPMEM_OFFSET},
- {PROCWRAP_FlushMemory, CMD_PROC_FLUSHMEMORY_OFFSET},
- {PROCWRAP_Stop, CMD_PROC_STOP_OFFSET},
- {PROCWRAP_InvalidateMemory, CMD_PROC_INVALIDATEMEMORY_OFFSET},
+ {PROCWRAP_Attach}, /* PROC_ATTACH */
+ {PROCWRAP_Ctrl}, /* PROC_CTRL */
+ {PROCWRAP_Detach}, /* PROC_DETACH */
+ {PROCWRAP_EnumNode_Info}, /* PROC_ENUMNODE */
+ {PROCWRAP_EnumResources}, /* PROC_ENUMRESOURCES */
+ {PROCWRAP_GetState}, /* PROC_GET_STATE */
+ {PROCWRAP_GetTrace}, /* PROC_GET_TRACE */
+ {PROCWRAP_Load}, /* PROC_LOAD */
+ {PROCWRAP_RegisterNotify}, /* PROC_REGISTERNOTIFY */
+ {PROCWRAP_Start}, /* PROC_START */
+ {PROCWRAP_ReserveMemory}, /* PROC_RSVMEM */
+ {PROCWRAP_UnReserveMemory}, /* PROC_UNRSVMEM */
+ {PROCWRAP_Map}, /* PROC_MAPMEM */
+ {PROCWRAP_UnMap}, /* PROC_UNMAPMEM */
+ {PROCWRAP_FlushMemory}, /* PROC_FLUSHMEMORY */
+ {PROCWRAP_Stop}, /* PROC_STOP */
+ {PROCWRAP_InvalidateMemory}, /* PROC_INVALIDATEMEMORY */
/* NODE Module */
- {NODEWRAP_Allocate, CMD_NODE_ALLOCATE_OFFSET},
- {NODEWRAP_AllocMsgBuf, CMD_NODE_ALLOCMSGBUF_OFFSET},
- {NODEWRAP_ChangePriority, CMD_NODE_CHANGEPRIORITY_OFFSET},
- {NODEWRAP_Connect, CMD_NODE_CONNECT_OFFSET},
- {NODEWRAP_Create, CMD_NODE_CREATE_OFFSET},
- {NODEWRAP_Delete, CMD_NODE_DELETE_OFFSET},
- {NODEWRAP_FreeMsgBuf, CMD_NODE_FREEMSGBUF_OFFSET},
- {NODEWRAP_GetAttr, CMD_NODE_GETATTR_OFFSET},
- {NODEWRAP_GetMessage, CMD_NODE_GETMESSAGE_OFFSET},
- {NODEWRAP_Pause, CMD_NODE_PAUSE_OFFSET},
- {NODEWRAP_PutMessage, CMD_NODE_PUTMESSAGE_OFFSET},
- {NODEWRAP_RegisterNotify, CMD_NODE_REGISTERNOTIFY_OFFSET},
- {NODEWRAP_Run, CMD_NODE_RUN_OFFSET},
- {NODEWRAP_Terminate, CMD_NODE_TERMINATE_OFFSET},
- {NODEWRAP_GetUUIDProps, CMD_NODE_GETUUIDPROPS_OFFSET},
+ {NODEWRAP_Allocate}, /* NODE_ALLOCATE */
+ {NODEWRAP_AllocMsgBuf}, /* NODE_ALLOCMSGBUF */
+ {NODEWRAP_ChangePriority}, /* NODE_CHANGEPRIORITY */
+ {NODEWRAP_Connect}, /* NODE_CONNECT */
+ {NODEWRAP_Create}, /* NODE_CREATE */
+ {NODEWRAP_Delete}, /* NODE_DELETE */
+ {NODEWRAP_FreeMsgBuf}, /* NODE_FREEMSGBUF */
+ {NODEWRAP_GetAttr}, /* NODE_GETATTR */
+ {NODEWRAP_GetMessage}, /* NODE_GETMESSAGE */
+ {NODEWRAP_Pause}, /* NODE_PAUSE */
+ {NODEWRAP_PutMessage}, /* NODE_PUTMESSAGE */
+ {NODEWRAP_RegisterNotify}, /* NODE_REGISTERNOTIFY */
+ {NODEWRAP_Run}, /* NODE_RUN */
+ {NODEWRAP_Terminate}, /* NODE_TERMINATE */
+ {NODEWRAP_GetUUIDProps}, /* NODE_GETUUIDPROPS */
/* STRM wrapper functions */
- {STRMWRAP_AllocateBuffer, CMD_STRM_ALLOCATEBUFFER_OFFSET},
- {STRMWRAP_Close, CMD_STRM_CLOSE_OFFSET},
- {STRMWRAP_FreeBuffer, CMD_STRM_FREEBUFFER_OFFSET},
- {STRMWRAP_GetEventHandle, CMD_STRM_GETEVENTHANDLE_OFFSET},
- {STRMWRAP_GetInfo, CMD_STRM_GETINFO_OFFSET},
- {STRMWRAP_Idle, CMD_STRM_IDLE_OFFSET},
- {STRMWRAP_Issue, CMD_STRM_ISSUE_OFFSET},
- {STRMWRAP_Open, CMD_STRM_OPEN_OFFSET},
- {STRMWRAP_Reclaim, CMD_STRM_RECLAIM_OFFSET},
- {STRMWRAP_RegisterNotify, CMD_STRM_REGISTERNOTIFY_OFFSET},
- {STRMWRAP_Select, CMD_STRM_SELECT_OFFSET},
+ {STRMWRAP_AllocateBuffer}, /* STRM_ALLOCATEBUFFER */
+ {STRMWRAP_Close}, /* STRM_CLOSE */
+ {STRMWRAP_FreeBuffer}, /* STRM_FREEBUFFER */
+ {STRMWRAP_GetEventHandle}, /* STRM_GETEVENTHANDLE */
+ {STRMWRAP_GetInfo}, /* STRM_GETINFO */
+ {STRMWRAP_Idle}, /* STRM_IDLE */
+ {STRMWRAP_Issue}, /* STRM_ISSUE */
+ {STRMWRAP_Open}, /* STRM_OPEN */
+ {STRMWRAP_Reclaim}, /* STRM_RECLAIM */
+ {STRMWRAP_RegisterNotify}, /* STRM_REGISTERNOTIFY */
+ {STRMWRAP_Select}, /* STRM_SELECT */
/* CMM module */
- {CMMWRAP_CallocBuf, CMD_CMM_ALLOCBUF_OFFSET},
- {CMMWRAP_FreeBuf, CMD_CMM_FREEBUF_OFFSET},
- {CMMWRAP_GetHandle, CMD_CMM_GETHANDLE_OFFSET},
- {CMMWRAP_GetInfo, CMD_CMM_GETINFO_OFFSET}
+ {CMMWRAP_CallocBuf}, /* CMM_ALLOCBUF */
+ {CMMWRAP_FreeBuf}, /* CMM_FREEBUF */
+ {CMMWRAP_GetHandle}, /* CMM_GETHANDLE */
+ {CMMWRAP_GetInfo}, /* CMM_GETINFO */
};
static inline void __cp_fm_usr(void *to, const void __user *from,
@@ -202,8 +202,7 @@ static inline void __cp_to_usr(void __user *to, const void *from,
inline DSP_STATUS WCD_CallDevIOCtl(u32 cmd, union Trapped_Args *args,
u32 *pResult, void *pr_ctxt)
{
- cmd -= CMD_BASE;
-
+ cmd = _IOC_NR(cmd);
if (cmd < ARRAY_SIZE(WCD_cmdTable)) {
/* make the fxn call via the cmd table */
*pResult = (*WCD_cmdTable[cmd].fxn) (args, pr_ctxt);
see previous description.
@@ -252,14 +251,7 @@ bool WCD_Init(void)
bool fInit = true;
bool fDRV, fDEV, fCOD, fSERVICES, fCHNL, fMSG, fIO;
bool fMGR, fPROC, fNODE, fDISP, fNTFY, fSTRM, fRMM;
-#ifdef DEBUG
- /* runtime check of Device IOCtl array. */
- u32 i;
- int cmdtable = ARRAY_SIZE(WCD_cmdTable);
- for (i = 0; i < cmdtable; i++)
- DBC_Assert(WCD_cmdTable[i].dwIndex == i + CMD_BASE);
-#endif
Thanks.. though your patch commit message was was not saying about this ;)
--
Regards,
Nishanth Menon
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