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/*
* Copyright (c) 2009 NVIDIA Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 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.
*
* Neither the name of the NVIDIA Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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 HOLDER 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.
*
*/
#ifndef INCLUDED_NVIDLCMD_H
#define INCLUDED_NVIDLCMD_H
#include "nvos.h"
#include "nvreftrack.h"
// name of the master FIFO socket on systems which use the master FIFO
#define NVRM_DAEMON_SOCKNAME "/dev/nvrm_daemon"
#define NV_DAEMON_MODULES(F) \
F(NvRmGraphics) \
F(NvMM) \
F(NvDDKAudio) \
F(NvDispMgr)
#define NV_KERNEL_MODULES(F) \
F(NvRm) \
F(NvECPackage) \
F(NvStorManager) \
F(NvVib)
// These codes are sent to the daemon to initiate commands from each module.
typedef enum NvRmDaemonCodeEnum
{
NvRmDaemonCode_FifoCreate = 0x281e0001,
NvRmDaemonCode_FifoDelete,
#define F(X) NvRmDaemonCode_##X,
NV_DAEMON_MODULES(F)
#undef F
NvRmDaemonCode_Garbage = 0xdeadbeef,
NvRmDaemonCode_Force32 = 0x7FFFFFFF
} NvRmDaemonCode;
/* Defines a pair of objects for transferring data to and from the daemon.
* FifoIn is used to read data from the daemon; FifoOut is used to write data
* to the daemon
*/
typedef struct NvIdlFifoPairRec
{
void *FifoIn;
void *FifoOut;
} NvIdlFifoPair;
/* These functions are called by the IDL-generated code:
*
* *_NvIdlGetIoctlCode() - get code to use to identify module
* *_NvIdlGetFifos() - get a fifo pair for communication
* *_NvIdlReleaseFifos() - get a fifo pair for communication
* *_NvIdlGetIoctlFile() - get the file to use for ioctl
*/
#define NV_IDL_DECLS_STUB(pfx) \
NvU32 pfx##_NvIdlGetIoctlCode(void); \
NvOsFileHandle pfx##_NvIdlGetIoctlFile(void);
#define NV_IDL_DECLS_DISPATCH_KERNEL(pfx) \
NvError pfx##_Dispatch( \
void *InBuffer, \
NvU32 InSize, \
void *OutBuffer, \
NvU32 OutSize, \
NvDispatchCtx* Ctx);
#if NVOS_IS_LINUX
#define NV_IDL_DECLS_DISPATCH_DAEMON(pfx) \
NvError pfx##_Dispatch( \
void* hFifoIn, \
void* hFifoOut, \
NvDispatchCtx* Ctx);
#else
#define NV_IDL_DECLS_DISPATCH_DAEMON(p) \
NV_IDL_DECLS_DISPATCH_KERNEL(p)
#endif
#define F(X) NV_IDL_DECLS_STUB(X)
NV_DAEMON_MODULES(F)
NV_KERNEL_MODULES(F)
#undef F
#define F(X) NV_IDL_DECLS_DISPATCH_DAEMON(X)
NV_DAEMON_MODULES(F)
#undef F
#define F(X) NV_IDL_DECLS_DISPATCH_KERNEL(X)
NV_KERNEL_MODULES(F)
#undef F
/* utility functions called by stubs & dispatchers for transferring data
* over FIFO objects. semantics are identical to NvOsFread / NvOsFwrite */
NvError NvIdlHelperFifoRead(void *fifo, void *ptr, size_t len, size_t *read);
NvError NvIdlHelperFifoWrite(void *fifo, const void *ptr, size_t len);
/* utility functions called by stub helpers to allocate and free FIFOs */
NvError NvIdlHelperGetFifoPair(NvIdlFifoPair **pFifo);
void NvIdlHelperReleaseFifoPair(NvIdlFifoPair *pFifo);
#endif
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