LXR linux/drivers/gpu/drm/amd/amdgpu/amdgpu

   1/*
   2 * Copyright 2014 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 */
  23
  24#ifndef __AMDGPU_GDS_H__
  25#define __AMDGPU_GDS_H__
  26
  27struct amdgpu_ring;
  28struct amdgpu_bo;
  29
  30struct amdgpu_gds_asic_info {
  31        uint32_t        total_size;
  32        uint32_t        gfx_partition_size;
  33        uint32_t        cs_partition_size;
  34};
  35
  36struct amdgpu_gds {
  37        struct amdgpu_gds_asic_info     mem;
  38        struct amdgpu_gds_asic_info     gws;
  39        struct amdgpu_gds_asic_info     oa;
  40        uint32_t                        gds_compute_max_wave_id;
  41
  42        /* At present, GDS, GWS and OA resources for gfx (graphics)
  43         * is always pre-allocated and available for graphics operation.
  44         * Such resource is shared between all gfx clients.
  45         * TODO: move this operation to user space
  46         * */
  47        struct amdgpu_bo*               gds_gfx_bo;
  48        struct amdgpu_bo*               gws_gfx_bo;
  49        struct amdgpu_bo*               oa_gfx_bo;
  50};
  51
  52struct amdgpu_gds_reg_offset {
  53        uint32_t        mem_base;
  54        uint32_t        mem_size;
  55        uint32_t        gws;
  56        uint32_t        oa;
  57};
  58
  59#endif /* __AMDGPU_GDS_H__ */
  60