/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "kfd_mqd_manager.h"
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struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type,
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struct kfd_dev *dev)
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{
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switch (dev->device_info->asic_family) {
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case CHIP_KAVERI:
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return mqd_manager_init_cik(type, dev);
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case CHIP_HAWAII:
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return mqd_manager_init_cik_hawaii(type, dev);
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case CHIP_CARRIZO:
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return mqd_manager_init_vi(type, dev);
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case CHIP_TONGA:
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case CHIP_FIJI:
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case CHIP_POLARIS10:
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case CHIP_POLARIS11:
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return mqd_manager_init_vi_tonga(type, dev);
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case CHIP_VEGA10:
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case CHIP_RAVEN:
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return mqd_manager_init_v9(type, dev);
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default:
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WARN(1, "Unexpected ASIC family %u",
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dev->device_info->asic_family);
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}
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return NULL;
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}
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void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm,
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const uint32_t *cu_mask, uint32_t cu_mask_count,
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uint32_t *se_mask)
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{
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struct kfd_cu_info cu_info;
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uint32_t cu_per_sh[4] = {0};
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int i, se, cu = 0;
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mm->dev->kfd2kgd->get_cu_info(mm->dev->kgd, &cu_info);
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if (cu_mask_count > cu_info.cu_active_number)
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cu_mask_count = cu_info.cu_active_number;
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for (se = 0; se < cu_info.num_shader_engines; se++)
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for (i = 0; i < 4; i++)
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cu_per_sh[se] += hweight32(cu_info.cu_bitmap[se][i]);
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/* Symmetrically map cu_mask to all SEs:
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* cu_mask[0] bit0 -> se_mask[0] bit0;
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* cu_mask[0] bit1 -> se_mask[1] bit0;
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* ... (if # SE is 4)
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* cu_mask[0] bit4 -> se_mask[0] bit1;
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* ...
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*/
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se = 0;
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for (i = 0; i < cu_mask_count; i++) {
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if (cu_mask[i / 32] & (1 << (i % 32)))
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se_mask[se] |= 1 << cu;
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do {
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se++;
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if (se == cu_info.num_shader_engines) {
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se = 0;
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cu++;
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}
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} while (cu >= cu_per_sh[se] && cu < 32);
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}
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}
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