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b8ed88ab15
Fix the VG/GL issue in GPU kernel module when running VG/GL at the same time Signed-off-by: Gene Chouiniere <Gene.Chouiniere@amd.com> Signed-off-by: r80085 <thomas.peng@freescale.com> Acked-by: Rob Herring <r.herring@freescale.com>
111 lines
4.6 KiB
C
111 lines
4.6 KiB
C
/* Copyright (c) 2002,2007-2010, Code Aurora Forum. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Code Aurora nor
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* the names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __GSL_SHAREDMEM_H
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#define __GSL_SHAREDMEM_H
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//////////////////////////////////////////////////////////////////////////////
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// defines
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//////////////////////////////////////////////////////////////////////////////
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#define GSL_APERTURE_MASK 0x000000FF
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#define GSL_DEVICEID_MASK 0x0000FF00
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#define GSL_EXTALLOC_MASK 0x000F0000
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#define GSL_APERTURE_SHIFT 0
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#define GSL_DEVICEID_SHIFT 8
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#define GSL_EXTALLOC_SHIFT 16
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#define GSL_APERTURE_GETGPUADDR(shmem, aperture_index) \
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shmem.apertures[aperture_index].memarena->gpubaseaddr;
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#define GSL_APERTURE_GETHOSTADDR(shmem, aperture_index) \
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shmem.apertures[aperture_index].memarena->hostbaseaddr;
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//////////////////////////////////////////////////////////////////////////////
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// types
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//////////////////////////////////////////////////////////////////////////////
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// ---------------------
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// memory aperture stats
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// ---------------------
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typedef struct _gsl_aperture_stats_t
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{
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gsl_apertureid_t id;
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gsl_channelid_t channel;
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gsl_memarena_stats_t memarena;
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} gsl_aperture_stats_t;
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// -------------------
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// shared memory stats
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// -------------------
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typedef struct _gsl_sharedmem_stats_t
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{
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gsl_aperture_stats_t apertures[GSL_SHMEM_MAX_APERTURES];
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} gsl_sharedmem_stats_t;
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// ---------------
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// memory aperture
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// ---------------
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typedef struct _gsl_aperture_t
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{
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gsl_apertureid_t id;
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gsl_channelid_t channel;
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int numbanks;
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gsl_memarena_t *memarena;
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} gsl_aperture_t;
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// --------------------
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// shared memory object
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// --------------------
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typedef struct _gsl_sharedmem_t
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{
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gsl_flags_t flags;
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unsigned int priv;
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int numapertures;
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gsl_aperture_t apertures[GSL_SHMEM_MAX_APERTURES];
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int aperturelookup[GSL_APERTURE_MAX][GSL_CHANNEL_MAX];
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} gsl_sharedmem_t;
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//////////////////////////////////////////////////////////////////////////////
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// prototypes
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//////////////////////////////////////////////////////////////////////////////
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int kgsl_sharedmem_init(gsl_sharedmem_t *shmem);
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int kgsl_sharedmem_close(gsl_sharedmem_t *shmem);
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int kgsl_sharedmem_alloc0(gsl_deviceid_t device_id, gsl_flags_t flags, int sizebytes, gsl_memdesc_t *memdesc);
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int kgsl_sharedmem_free0(gsl_memdesc_t *memdesc, unsigned int pid);
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int kgsl_sharedmem_read0(const gsl_memdesc_t *memdesc, void *dst, unsigned int offsetbytes, unsigned int sizebytes, unsigned int touserspace);
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int kgsl_sharedmem_write0(const gsl_memdesc_t *memdesc, unsigned int offsetbytes, void *src, unsigned int sizebytes, unsigned int fromuserspace);
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int kgsl_sharedmem_set0(const gsl_memdesc_t *memdesc, unsigned int offsetbytes, unsigned int value, unsigned int sizebytes);
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int kgsl_sharedmem_querystats(gsl_sharedmem_t *shmem, gsl_sharedmem_stats_t *stats);
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unsigned int kgsl_sharedmem_convertaddr(unsigned int addr, int type);
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#endif // __GSL_SHAREDMEM_H
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