/*
 * 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__

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__ */