| /* |
| * 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_device_queue_manager.h" |
| #include "gca/gfx_8_0_enum.h" |
| #include "gca/gfx_8_0_sh_mask.h" |
| #include "gca/gfx_8_0_enum.h" |
| #include "oss/oss_3_0_sh_mask.h" |
| |
| static bool set_cache_memory_policy_vi(struct device_queue_manager *dqm, |
| struct qcm_process_device *qpd, |
| enum cache_policy default_policy, |
| enum cache_policy alternate_policy, |
| void __user *alternate_aperture_base, |
| uint64_t alternate_aperture_size); |
| static bool set_cache_memory_policy_vi_tonga(struct device_queue_manager *dqm, |
| struct qcm_process_device *qpd, |
| enum cache_policy default_policy, |
| enum cache_policy alternate_policy, |
| void __user *alternate_aperture_base, |
| uint64_t alternate_aperture_size); |
| static int update_qpd_vi(struct device_queue_manager *dqm, |
| struct qcm_process_device *qpd); |
| static int update_qpd_vi_tonga(struct device_queue_manager *dqm, |
| struct qcm_process_device *qpd); |
| static void init_sdma_vm(struct device_queue_manager *dqm, struct queue *q, |
| struct qcm_process_device *qpd); |
| static void init_sdma_vm_tonga(struct device_queue_manager *dqm, |
| struct queue *q, |
| struct qcm_process_device *qpd); |
| |
| void device_queue_manager_init_vi( |
| struct device_queue_manager_asic_ops *asic_ops) |
| { |
| asic_ops->set_cache_memory_policy = set_cache_memory_policy_vi; |
| asic_ops->update_qpd = update_qpd_vi; |
| asic_ops->init_sdma_vm = init_sdma_vm; |
| } |
| |
| void device_queue_manager_init_vi_tonga( |
| struct device_queue_manager_asic_ops *asic_ops) |
| { |
| asic_ops->set_cache_memory_policy = set_cache_memory_policy_vi_tonga; |
| asic_ops->update_qpd = update_qpd_vi_tonga; |
| asic_ops->init_sdma_vm = init_sdma_vm_tonga; |
| } |
| |
| static uint32_t compute_sh_mem_bases_64bit(unsigned int top_address_nybble) |
| { |
| /* In 64-bit mode, we can only control the top 3 bits of the LDS, |
| * scratch and GPUVM apertures. |
| * The hardware fills in the remaining 59 bits according to the |
| * following pattern: |
| * LDS: X0000000'00000000 - X0000001'00000000 (4GB) |
| * Scratch: X0000001'00000000 - X0000002'00000000 (4GB) |
| * GPUVM: Y0010000'00000000 - Y0020000'00000000 (1TB) |
| * |
| * (where X/Y is the configurable nybble with the low-bit 0) |
| * |
| * LDS and scratch will have the same top nybble programmed in the |
| * top 3 bits of SH_MEM_BASES.PRIVATE_BASE. |
| * GPUVM can have a different top nybble programmed in the |
| * top 3 bits of SH_MEM_BASES.SHARED_BASE. |
| * We don't bother to support different top nybbles |
| * for LDS/Scratch and GPUVM. |
| */ |
| |
| WARN_ON((top_address_nybble & 1) || top_address_nybble > 0xE || |
| top_address_nybble == 0); |
| |
| return top_address_nybble << 12 | |
| (top_address_nybble << 12) << |
| SH_MEM_BASES__SHARED_BASE__SHIFT; |
| } |
| |
| static bool set_cache_memory_policy_vi(struct device_queue_manager *dqm, |
| struct qcm_process_device *qpd, |
| enum cache_policy default_policy, |
| enum cache_policy alternate_policy, |
| void __user *alternate_aperture_base, |
| uint64_t alternate_aperture_size) |
| { |
| uint32_t default_mtype; |
| uint32_t ape1_mtype; |
| |
| default_mtype = (default_policy == cache_policy_coherent) ? |
| MTYPE_CC : |
| MTYPE_NC; |
| |
| ape1_mtype = (alternate_policy == cache_policy_coherent) ? |
| MTYPE_CC : |
| MTYPE_NC; |
| |
| qpd->sh_mem_config = (qpd->sh_mem_config & |
| SH_MEM_CONFIG__ADDRESS_MODE_MASK) | |
| SH_MEM_ALIGNMENT_MODE_UNALIGNED << |
| SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT | |
| default_mtype << SH_MEM_CONFIG__DEFAULT_MTYPE__SHIFT | |
| ape1_mtype << SH_MEM_CONFIG__APE1_MTYPE__SHIFT | |
| SH_MEM_CONFIG__PRIVATE_ATC_MASK; |
| |
| return true; |
| } |
| |
| static bool set_cache_memory_policy_vi_tonga(struct device_queue_manager *dqm, |
| struct qcm_process_device *qpd, |
| enum cache_policy default_policy, |
| enum cache_policy alternate_policy, |
| void __user *alternate_aperture_base, |
| uint64_t alternate_aperture_size) |
| { |
| uint32_t default_mtype; |
| uint32_t ape1_mtype; |
| |
| default_mtype = (default_policy == cache_policy_coherent) ? |
| MTYPE_UC : |
| MTYPE_NC; |
| |
| ape1_mtype = (alternate_policy == cache_policy_coherent) ? |
| MTYPE_UC : |
| MTYPE_NC; |
| |
| qpd->sh_mem_config = |
| SH_MEM_ALIGNMENT_MODE_UNALIGNED << |
| SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT | |
| default_mtype << SH_MEM_CONFIG__DEFAULT_MTYPE__SHIFT | |
| ape1_mtype << SH_MEM_CONFIG__APE1_MTYPE__SHIFT; |
| |
| return true; |
| } |
| |
| static int update_qpd_vi(struct device_queue_manager *dqm, |
| struct qcm_process_device *qpd) |
| { |
| struct kfd_process_device *pdd; |
| unsigned int temp; |
| |
| pdd = qpd_to_pdd(qpd); |
| |
| /* check if sh_mem_config register already configured */ |
| if (qpd->sh_mem_config == 0) { |
| qpd->sh_mem_config = |
| SH_MEM_ALIGNMENT_MODE_UNALIGNED << |
| SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT | |
| MTYPE_CC << SH_MEM_CONFIG__DEFAULT_MTYPE__SHIFT | |
| MTYPE_CC << SH_MEM_CONFIG__APE1_MTYPE__SHIFT | |
| SH_MEM_CONFIG__PRIVATE_ATC_MASK; |
| |
| qpd->sh_mem_ape1_limit = 0; |
| qpd->sh_mem_ape1_base = 0; |
| } |
| |
| if (qpd->pqm->process->is_32bit_user_mode) { |
| temp = get_sh_mem_bases_32(pdd); |
| qpd->sh_mem_bases = temp << SH_MEM_BASES__SHARED_BASE__SHIFT; |
| qpd->sh_mem_config |= SH_MEM_ADDRESS_MODE_HSA32 << |
| SH_MEM_CONFIG__ADDRESS_MODE__SHIFT; |
| } else { |
| temp = get_sh_mem_bases_nybble_64(pdd); |
| qpd->sh_mem_bases = compute_sh_mem_bases_64bit(temp); |
| qpd->sh_mem_config |= SH_MEM_ADDRESS_MODE_HSA64 << |
| SH_MEM_CONFIG__ADDRESS_MODE__SHIFT; |
| qpd->sh_mem_config |= 1 << |
| SH_MEM_CONFIG__PRIVATE_ATC__SHIFT; |
| } |
| |
| pr_debug("is32bit process: %d sh_mem_bases nybble: 0x%X and register 0x%X\n", |
| qpd->pqm->process->is_32bit_user_mode, temp, qpd->sh_mem_bases); |
| |
| return 0; |
| } |
| |
| static int update_qpd_vi_tonga(struct device_queue_manager *dqm, |
| struct qcm_process_device *qpd) |
| { |
| struct kfd_process_device *pdd; |
| unsigned int temp; |
| |
| pdd = qpd_to_pdd(qpd); |
| |
| /* check if sh_mem_config register already configured */ |
| if (qpd->sh_mem_config == 0) { |
| qpd->sh_mem_config = |
| SH_MEM_ALIGNMENT_MODE_UNALIGNED << |
| SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT | |
| MTYPE_UC << |
| SH_MEM_CONFIG__DEFAULT_MTYPE__SHIFT | |
| MTYPE_UC << |
| SH_MEM_CONFIG__APE1_MTYPE__SHIFT; |
| |
| qpd->sh_mem_ape1_limit = 0; |
| qpd->sh_mem_ape1_base = 0; |
| } |
| |
| /* On dGPU we're always in GPUVM64 addressing mode with 64-bit |
| * aperture addresses. |
| */ |
| temp = get_sh_mem_bases_nybble_64(pdd); |
| qpd->sh_mem_bases = compute_sh_mem_bases_64bit(temp); |
| |
| pr_debug("sh_mem_bases nybble: 0x%X and register 0x%X\n", |
| temp, qpd->sh_mem_bases); |
| |
| return 0; |
| } |
| |
| static void init_sdma_vm(struct device_queue_manager *dqm, struct queue *q, |
| struct qcm_process_device *qpd) |
| { |
| uint32_t value = (1 << SDMA0_RLC0_VIRTUAL_ADDR__ATC__SHIFT); |
| |
| if (q->process->is_32bit_user_mode) |
| value |= (1 << SDMA0_RLC0_VIRTUAL_ADDR__PTR32__SHIFT) | |
| get_sh_mem_bases_32(qpd_to_pdd(qpd)); |
| else |
| value |= ((get_sh_mem_bases_nybble_64(qpd_to_pdd(qpd))) << |
| SDMA0_RLC0_VIRTUAL_ADDR__SHARED_BASE__SHIFT) & |
| SDMA0_RLC0_VIRTUAL_ADDR__SHARED_BASE_MASK; |
| |
| q->properties.sdma_vm_addr = value; |
| } |
| |
| static void init_sdma_vm_tonga(struct device_queue_manager *dqm, |
| struct queue *q, |
| struct qcm_process_device *qpd) |
| { |
| /* On dGPU we're always in GPUVM64 addressing mode with 64-bit |
| * aperture addresses. |
| */ |
| q->properties.sdma_vm_addr = |
| ((get_sh_mem_bases_nybble_64(qpd_to_pdd(qpd))) << |
| SDMA0_RLC0_VIRTUAL_ADDR__SHARED_BASE__SHIFT) & |
| SDMA0_RLC0_VIRTUAL_ADDR__SHARED_BASE_MASK; |
| } |
