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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.
*
*/
#include "kfd_mqd_manager.h"
struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type,
struct kfd_dev *dev)
{
switch (dev->device_info->asic_family) {
case CHIP_KAVERI:
return mqd_manager_init_cik(type, dev);
case CHIP_HAWAII:
return mqd_manager_init_cik_hawaii(type, dev);
case CHIP_CARRIZO:
return mqd_manager_init_vi(type, dev);
case CHIP_TONGA:
case CHIP_FIJI:
case CHIP_POLARIS10:
case CHIP_POLARIS11:
return mqd_manager_init_vi_tonga(type, dev);
case CHIP_VEGA10:
case CHIP_RAVEN:
return mqd_manager_init_v9(type, dev);
default:
WARN(1, "Unexpected ASIC family %u",
dev->device_info->asic_family);
}
return NULL;
}
void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm,
const uint32_t *cu_mask, uint32_t cu_mask_count,
uint32_t *se_mask)
{
struct kfd_cu_info cu_info;
uint32_t cu_per_sh[4] = {0};
int i, se, cu = 0;
mm->dev->kfd2kgd->get_cu_info(mm->dev->kgd, &cu_info);
if (cu_mask_count > cu_info.cu_active_number)
cu_mask_count = cu_info.cu_active_number;
for (se = 0; se < cu_info.num_shader_engines; se++)
for (i = 0; i < 4; i++)
cu_per_sh[se] += hweight32(cu_info.cu_bitmap[se][i]);
/* Symmetrically map cu_mask to all SEs:
* cu_mask[0] bit0 -> se_mask[0] bit0;
* cu_mask[0] bit1 -> se_mask[1] bit0;
* ... (if # SE is 4)
* cu_mask[0] bit4 -> se_mask[0] bit1;
* ...
*/
se = 0;
for (i = 0; i < cu_mask_count; i++) {
if (cu_mask[i / 32] & (1 << (i % 32)))
se_mask[se] |= 1 << cu;
do {
se++;
if (se == cu_info.num_shader_engines) {
se = 0;
cu++;
}
} while (cu >= cu_per_sh[se] && cu < 32);
}
}
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