Files
linux-nvgpu/drivers/gpu/nvgpu/hal/init/hal_tu104_litter.c
Antony Clince Alex f41e5975d8 gpu: nvgpu: add ioctl to configure l2 max_ways_evict_last
Add ioctl support to configure and read the max number of lines/ways
in a L2 cache set that can be marked as EVICT_LAST. This is accomplished
through two new ltc hals: set_l2_max_ways_evict_last,
get_l2_max_ways_evict_last. These hals will only be set for nvgpu-next
chips. Incase of legacy chips, the IOCTLs will return error -ENOSYS.

Generate following litter constants to get the number of sets in a l2
slice and the number of ways in each set:
- GPU_LIT_NUM_LTC_LTS_SETS
- GPU_LIT_NUM_LTC_LTS_WAYS

Add gpu characteritics flag: NVGPU_L2_MAX_WAYS_EVICT_LAST_ENABLED to
allow userspace driver to determine if L2_MAX_WAYS_EVICT_LAST ioctl is
supported.

Bug 200605474

Change-Id: Id3180f891399f5e128500f3835d762aee59953e0
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2445884
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2021-03-12 04:36:22 -08:00

203 lines
5.1 KiB
C

/*
* Copyright (c) 2019-2021, NVIDIA CORPORATION. All rights reserved.
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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 <nvgpu/gk20a.h>
#include <nvgpu/class.h>
#include <nvgpu/hw/tu104/hw_proj_tu104.h>
#include "hal_tu104_litter.h"
u32 tu104_get_litter_value(struct gk20a *g, int value)
{
u32 ret = 0;
switch (value) {
case GPU_LIT_NUM_GPCS:
ret = proj_scal_litter_num_gpcs_v();
break;
case GPU_LIT_NUM_PES_PER_GPC:
ret = proj_scal_litter_num_pes_per_gpc_v();
break;
case GPU_LIT_NUM_ZCULL_BANKS:
ret = proj_scal_litter_num_zcull_banks_v();
break;
case GPU_LIT_NUM_TPC_PER_GPC:
ret = proj_scal_litter_num_tpc_per_gpc_v();
break;
case GPU_LIT_NUM_SM_PER_TPC:
ret = proj_scal_litter_num_sm_per_tpc_v();
break;
case GPU_LIT_NUM_FBPS:
ret = proj_scal_litter_num_fbps_v();
break;
case GPU_LIT_GPC_BASE:
ret = proj_gpc_base_v();
break;
case GPU_LIT_GPC_STRIDE:
ret = proj_gpc_stride_v();
break;
case GPU_LIT_GPC_SHARED_BASE:
ret = proj_gpc_shared_base_v();
break;
case GPU_LIT_GPC_ADDR_WIDTH:
ret = 15U; /* refer *_PGRAPH_Memory_Map.xlsx */
break;
case GPU_LIT_TPC_ADDR_WIDTH:
ret = 11U; /* refer *_PGRAPH_Memory_Map.xlsx */
break;
case GPU_LIT_TPC_IN_GPC_BASE:
ret = proj_tpc_in_gpc_base_v();
break;
case GPU_LIT_TPC_IN_GPC_STRIDE:
ret = proj_tpc_in_gpc_stride_v();
break;
case GPU_LIT_TPC_IN_GPC_SHARED_BASE:
ret = proj_tpc_in_gpc_shared_base_v();
break;
case GPU_LIT_PPC_IN_GPC_BASE:
ret = proj_ppc_in_gpc_base_v();
break;
case GPU_LIT_PPC_IN_GPC_STRIDE:
ret = proj_ppc_in_gpc_stride_v();
break;
case GPU_LIT_PPC_IN_GPC_SHARED_BASE:
ret = proj_ppc_in_gpc_shared_base_v();
break;
case GPU_LIT_ROP_BASE:
ret = proj_rop_base_v();
break;
case GPU_LIT_ROP_STRIDE:
ret = proj_rop_stride_v();
break;
case GPU_LIT_ROP_SHARED_BASE:
ret = proj_rop_shared_base_v();
break;
case GPU_LIT_HOST_NUM_ENGINES:
ret = proj_host_num_engines_v();
break;
case GPU_LIT_HOST_NUM_PBDMA:
ret = proj_host_num_pbdma_v();
break;
case GPU_LIT_LTC_STRIDE:
ret = proj_ltc_stride_v();
break;
case GPU_LIT_LTS_STRIDE:
ret = proj_lts_stride_v();
break;
case GPU_LIT_NUM_FBPAS:
ret = proj_scal_litter_num_fbpas_v();
break;
case GPU_LIT_FBPA_SHARED_BASE:
ret = proj_fbpa_shared_base_v();
break;
case GPU_LIT_FBPA_BASE:
ret = proj_fbpa_base_v();
break;
case GPU_LIT_FBPA_STRIDE:
ret = proj_fbpa_stride_v();
break;
case GPU_LIT_SM_PRI_STRIDE:
ret = proj_sm_stride_v();
break;
case GPU_LIT_SMPC_PRI_BASE:
ret = proj_smpc_base_v();
break;
case GPU_LIT_SMPC_PRI_SHARED_BASE:
ret = proj_smpc_shared_base_v();
break;
case GPU_LIT_SMPC_PRI_UNIQUE_BASE:
ret = proj_smpc_unique_base_v();
break;
case GPU_LIT_SMPC_PRI_STRIDE:
ret = proj_smpc_stride_v();
break;
case GPU_LIT_SM_UNIQUE_BASE:
ret = proj_sm_unique_base_v();
break;
case GPU_LIT_SM_SHARED_BASE:
ret = proj_sm_shared_base_v();
break;
case GPU_LIT_NUM_LTC_LTS_SETS:
ret = proj_scal_litter_num_ltc_lts_sets_v();
break;
case GPU_LIT_NUM_LTC_LTS_WAYS:
ret = proj_scal_litter_num_ltc_lts_ways_v();
break;
#ifdef CONFIG_NVGPU_GRAPHICS
case GPU_LIT_TWOD_CLASS:
ret = FERMI_TWOD_A;
break;
case GPU_LIT_THREED_CLASS:
ret = TURING_A;
break;
#endif
#ifdef CONFIG_NVGPU_NON_FUSA
case GPU_LIT_COMPUTE_CLASS:
ret = TURING_COMPUTE_A;
break;
case GPU_LIT_GPFIFO_CLASS:
ret = TURING_CHANNEL_GPFIFO_A;
break;
#endif
case GPU_LIT_I2M_CLASS:
ret = KEPLER_INLINE_TO_MEMORY_B;
break;
#ifdef CONFIG_NVGPU_NON_FUSA
case GPU_LIT_DMA_COPY_CLASS:
ret = TURING_DMA_COPY_A;
break;
#endif
case GPU_LIT_GPC_PRIV_STRIDE:
ret = proj_gpc_priv_stride_v();
break;
case GPU_LIT_PERFMON_PMMGPCTPCA_DOMAIN_START:
ret = 2;
break;
case GPU_LIT_PERFMON_PMMGPCTPCB_DOMAIN_START:
ret = 8;
break;
case GPU_LIT_PERFMON_PMMGPCTPC_DOMAIN_COUNT:
ret = 6;
break;
case GPU_LIT_PERFMON_PMMFBP_LTC_DOMAIN_START:
ret = 2;
break;
case GPU_LIT_PERFMON_PMMFBP_LTC_DOMAIN_COUNT:
ret = 8;
break;
case GPU_LIT_PERFMON_PMMFBP_ROP_DOMAIN_START:
ret = 10;
break;
case GPU_LIT_PERFMON_PMMFBP_ROP_DOMAIN_COUNT:
ret = 2;
break;
default:
nvgpu_err(g, "Missing definition %d", value);
BUG();
break;
}
return ret;
}