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/*
* Copyright 2014 Advanced Micro Devices, Inc.
*
* 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.
*
* 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. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 __AMDGPU_GDS_H__
#define __AMDGPU_GDS_H__
/* Because TTM request that alloacted buffer should be PAGE_SIZE aligned,
* we should report GDS/GWS/OA size as PAGE_SIZE aligned
* */
#define AMDGPU_GDS_SHIFT 2
#define AMDGPU_GWS_SHIFT PAGE_SHIFT
#define AMDGPU_OA_SHIFT PAGE_SHIFT
#define AMDGPU_PL_GDS TTM_PL_PRIV0
#define AMDGPU_PL_GWS TTM_PL_PRIV1
#define AMDGPU_PL_OA TTM_PL_PRIV2
#define AMDGPU_PL_FLAG_GDS TTM_PL_FLAG_PRIV0
#define AMDGPU_PL_FLAG_GWS TTM_PL_FLAG_PRIV1
#define AMDGPU_PL_FLAG_OA TTM_PL_FLAG_PRIV2
struct amdgpu_ring;
struct amdgpu_bo;
struct amdgpu_gds_asic_info {
uint32_t total_size;
uint32_t gfx_partition_size;
uint32_t cs_partition_size;
};
struct amdgpu_gds {
struct amdgpu_gds_asic_info mem;
struct amdgpu_gds_asic_info gws;
struct amdgpu_gds_asic_info oa;
/* At present, GDS, GWS and OA resources for gfx (graphics)
* is always pre-allocated and available for graphics operation.
* Such resource is shared between all gfx clients.
* TODO: move this operation to user space
* */
struct amdgpu_bo* gds_gfx_bo;
struct amdgpu_bo* gws_gfx_bo;
struct amdgpu_bo* oa_gfx_bo;
};
struct amdgpu_gds_reg_offset {
uint32_t mem_base;
uint32_t mem_size;
uint32_t gws;
uint32_t oa;
};
#endif /* __AMDGPU_GDS_H__ */
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