diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kfd.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kfd.c | 870 |
1 files changed, 0 insertions, 870 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c deleted file mode 100644 index f6578c96925c..000000000000 --- a/drivers/gpu/drm/radeon/radeon_kfd.c +++ /dev/null @@ -1,870 +0,0 @@ -/* - * 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 <linux/module.h> -#include <linux/fdtable.h> -#include <linux/uaccess.h> -#include <drm/drmP.h> -#include "radeon.h" -#include "cikd.h" -#include "cik_reg.h" -#include "radeon_kfd.h" -#include "radeon_ucode.h" -#include <linux/firmware.h> -#include "cik_structs.h" - -#define CIK_PIPE_PER_MEC (4) - -static const uint32_t watchRegs[MAX_WATCH_ADDRESSES * ADDRESS_WATCH_REG_MAX] = { - TCP_WATCH0_ADDR_H, TCP_WATCH0_ADDR_L, TCP_WATCH0_CNTL, - TCP_WATCH1_ADDR_H, TCP_WATCH1_ADDR_L, TCP_WATCH1_CNTL, - TCP_WATCH2_ADDR_H, TCP_WATCH2_ADDR_L, TCP_WATCH2_CNTL, - TCP_WATCH3_ADDR_H, TCP_WATCH3_ADDR_L, TCP_WATCH3_CNTL -}; - -struct kgd_mem { - struct radeon_bo *bo; - uint64_t gpu_addr; - void *cpu_ptr; -}; - - -static int alloc_gtt_mem(struct kgd_dev *kgd, size_t size, - void **mem_obj, uint64_t *gpu_addr, - void **cpu_ptr); - -static void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj); - -static uint64_t get_vmem_size(struct kgd_dev *kgd); -static uint64_t get_gpu_clock_counter(struct kgd_dev *kgd); - -static uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd); -static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type); - -/* - * Register access functions - */ - -static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid, - uint32_t sh_mem_config, uint32_t sh_mem_ape1_base, - uint32_t sh_mem_ape1_limit, uint32_t sh_mem_bases); - -static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, - unsigned int vmid); - -static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, - uint32_t hpd_size, uint64_t hpd_gpu_addr); -static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id); -static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, - uint32_t queue_id, uint32_t __user *wptr, - uint32_t wptr_shift, uint32_t wptr_mask, - struct mm_struct *mm); -static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd); -static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address, - uint32_t pipe_id, uint32_t queue_id); - -static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd, uint32_t reset_type, - unsigned int timeout, uint32_t pipe_id, - uint32_t queue_id); -static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd); -static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd, - unsigned int timeout); -static int kgd_address_watch_disable(struct kgd_dev *kgd); -static int kgd_address_watch_execute(struct kgd_dev *kgd, - unsigned int watch_point_id, - uint32_t cntl_val, - uint32_t addr_hi, - uint32_t addr_lo); -static int kgd_wave_control_execute(struct kgd_dev *kgd, - uint32_t gfx_index_val, - uint32_t sq_cmd); -static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd, - unsigned int watch_point_id, - unsigned int reg_offset); - -static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd, uint8_t vmid); -static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd, - uint8_t vmid); -static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid); - -static const struct kfd2kgd_calls kfd2kgd = { - .init_gtt_mem_allocation = alloc_gtt_mem, - .free_gtt_mem = free_gtt_mem, - .get_vmem_size = get_vmem_size, - .get_gpu_clock_counter = get_gpu_clock_counter, - .get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz, - .program_sh_mem_settings = kgd_program_sh_mem_settings, - .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping, - .init_pipeline = kgd_init_pipeline, - .init_interrupts = kgd_init_interrupts, - .hqd_load = kgd_hqd_load, - .hqd_sdma_load = kgd_hqd_sdma_load, - .hqd_is_occupied = kgd_hqd_is_occupied, - .hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied, - .hqd_destroy = kgd_hqd_destroy, - .hqd_sdma_destroy = kgd_hqd_sdma_destroy, - .address_watch_disable = kgd_address_watch_disable, - .address_watch_execute = kgd_address_watch_execute, - .wave_control_execute = kgd_wave_control_execute, - .address_watch_get_offset = kgd_address_watch_get_offset, - .get_atc_vmid_pasid_mapping_pasid = get_atc_vmid_pasid_mapping_pasid, - .get_atc_vmid_pasid_mapping_valid = get_atc_vmid_pasid_mapping_valid, - .write_vmid_invalidate_request = write_vmid_invalidate_request, - .get_fw_version = get_fw_version -}; - -static const struct kgd2kfd_calls *kgd2kfd; - -int radeon_kfd_init(void) -{ - int ret; - -#if defined(CONFIG_HSA_AMD_MODULE) - int (*kgd2kfd_init_p)(unsigned, const struct kgd2kfd_calls**); - - kgd2kfd_init_p = symbol_request(kgd2kfd_init); - - if (kgd2kfd_init_p == NULL) - return -ENOENT; - - ret = kgd2kfd_init_p(KFD_INTERFACE_VERSION, &kgd2kfd); - if (ret) { - symbol_put(kgd2kfd_init); - kgd2kfd = NULL; - } - -#elif defined(CONFIG_HSA_AMD) - ret = kgd2kfd_init(KFD_INTERFACE_VERSION, &kgd2kfd); - if (ret) - kgd2kfd = NULL; - -#else - ret = -ENOENT; -#endif - - return ret; -} - -void radeon_kfd_fini(void) -{ - if (kgd2kfd) { - kgd2kfd->exit(); - symbol_put(kgd2kfd_init); - } -} - -void radeon_kfd_device_probe(struct radeon_device *rdev) -{ - if (kgd2kfd) - rdev->kfd = kgd2kfd->probe((struct kgd_dev *)rdev, - rdev->pdev, &kfd2kgd); -} - -void radeon_kfd_device_init(struct radeon_device *rdev) -{ - int i, queue, pipe, mec; - - if (rdev->kfd) { - struct kgd2kfd_shared_resources gpu_resources = { - .compute_vmid_bitmap = 0xFF00, - .num_pipe_per_mec = 4, - .num_queue_per_pipe = 8 - }; - - bitmap_zero(gpu_resources.queue_bitmap, KGD_MAX_QUEUES); - - for (i = 0; i < KGD_MAX_QUEUES; ++i) { - queue = i % gpu_resources.num_queue_per_pipe; - pipe = (i / gpu_resources.num_queue_per_pipe) - % gpu_resources.num_pipe_per_mec; - mec = (i / gpu_resources.num_queue_per_pipe) - / gpu_resources.num_pipe_per_mec; - - if (mec == 0 && pipe > 0) - set_bit(i, gpu_resources.queue_bitmap); - } - - radeon_doorbell_get_kfd_info(rdev, - &gpu_resources.doorbell_physical_address, - &gpu_resources.doorbell_aperture_size, - &gpu_resources.doorbell_start_offset); - - kgd2kfd->device_init(rdev->kfd, &gpu_resources); - } -} - -void radeon_kfd_device_fini(struct radeon_device *rdev) -{ - if (rdev->kfd) { - kgd2kfd->device_exit(rdev->kfd); - rdev->kfd = NULL; - } -} - -void radeon_kfd_interrupt(struct radeon_device *rdev, const void *ih_ring_entry) -{ - if (rdev->kfd) - kgd2kfd->interrupt(rdev->kfd, ih_ring_entry); -} - -void radeon_kfd_suspend(struct radeon_device *rdev) -{ - if (rdev->kfd) - kgd2kfd->suspend(rdev->kfd); -} - -int radeon_kfd_resume(struct radeon_device *rdev) -{ - int r = 0; - - if (rdev->kfd) - r = kgd2kfd->resume(rdev->kfd); - - return r; -} - -static int alloc_gtt_mem(struct kgd_dev *kgd, size_t size, - void **mem_obj, uint64_t *gpu_addr, - void **cpu_ptr) -{ - struct radeon_device *rdev = (struct radeon_device *)kgd; - struct kgd_mem **mem = (struct kgd_mem **) mem_obj; - int r; - - BUG_ON(kgd == NULL); - BUG_ON(gpu_addr == NULL); - BUG_ON(cpu_ptr == NULL); - - *mem = kmalloc(sizeof(struct kgd_mem), GFP_KERNEL); - if ((*mem) == NULL) - return -ENOMEM; - - r = radeon_bo_create(rdev, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_GTT, - RADEON_GEM_GTT_WC, NULL, NULL, &(*mem)->bo); - if (r) { - dev_err(rdev->dev, - "failed to allocate BO for amdkfd (%d)\n", r); - return r; - } - - /* map the buffer */ - r = radeon_bo_reserve((*mem)->bo, true); - if (r) { - dev_err(rdev->dev, "(%d) failed to reserve bo for amdkfd\n", r); - goto allocate_mem_reserve_bo_failed; - } - - r = radeon_bo_pin((*mem)->bo, RADEON_GEM_DOMAIN_GTT, - &(*mem)->gpu_addr); - if (r) { - dev_err(rdev->dev, "(%d) failed to pin bo for amdkfd\n", r); - goto allocate_mem_pin_bo_failed; - } - *gpu_addr = (*mem)->gpu_addr; - - r = radeon_bo_kmap((*mem)->bo, &(*mem)->cpu_ptr); - if (r) { - dev_err(rdev->dev, - "(%d) failed to map bo to kernel for amdkfd\n", r); - goto allocate_mem_kmap_bo_failed; - } - *cpu_ptr = (*mem)->cpu_ptr; - - radeon_bo_unreserve((*mem)->bo); - - return 0; - -allocate_mem_kmap_bo_failed: - radeon_bo_unpin((*mem)->bo); -allocate_mem_pin_bo_failed: - radeon_bo_unreserve((*mem)->bo); -allocate_mem_reserve_bo_failed: - radeon_bo_unref(&(*mem)->bo); - - return r; -} - -static void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj) -{ - struct kgd_mem *mem = (struct kgd_mem *) mem_obj; - - BUG_ON(mem == NULL); - - radeon_bo_reserve(mem->bo, true); - radeon_bo_kunmap(mem->bo); - radeon_bo_unpin(mem->bo); - radeon_bo_unreserve(mem->bo); - radeon_bo_unref(&(mem->bo)); - kfree(mem); -} - -static uint64_t get_vmem_size(struct kgd_dev *kgd) -{ - struct radeon_device *rdev = (struct radeon_device *)kgd; - - BUG_ON(kgd == NULL); - - return rdev->mc.real_vram_size; -} - -static uint64_t get_gpu_clock_counter(struct kgd_dev *kgd) -{ - struct radeon_device *rdev = (struct radeon_device *)kgd; - - return rdev->asic->get_gpu_clock_counter(rdev); -} - -static uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd) -{ - struct radeon_device *rdev = (struct radeon_device *)kgd; - - /* The sclk is in quantas of 10kHz */ - return rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk / 100; -} - -static inline struct radeon_device *get_radeon_device(struct kgd_dev *kgd) -{ - return (struct radeon_device *)kgd; -} - -static void write_register(struct kgd_dev *kgd, uint32_t offset, uint32_t value) -{ - struct radeon_device *rdev = get_radeon_device(kgd); - - writel(value, (void __iomem *)(rdev->rmmio + offset)); -} - -static uint32_t read_register(struct kgd_dev *kgd, uint32_t offset) -{ - struct radeon_device *rdev = get_radeon_device(kgd); - - return readl((void __iomem *)(rdev->rmmio + offset)); -} - -static void lock_srbm(struct kgd_dev *kgd, uint32_t mec, uint32_t pipe, - uint32_t queue, uint32_t vmid) -{ - struct radeon_device *rdev = get_radeon_device(kgd); - uint32_t value = PIPEID(pipe) | MEID(mec) | VMID(vmid) | QUEUEID(queue); - - mutex_lock(&rdev->srbm_mutex); - write_register(kgd, SRBM_GFX_CNTL, value); -} - -static void unlock_srbm(struct kgd_dev *kgd) -{ - struct radeon_device *rdev = get_radeon_device(kgd); - - write_register(kgd, SRBM_GFX_CNTL, 0); - mutex_unlock(&rdev->srbm_mutex); -} - -static void acquire_queue(struct kgd_dev *kgd, uint32_t pipe_id, - uint32_t queue_id) -{ - uint32_t mec = (++pipe_id / CIK_PIPE_PER_MEC) + 1; - uint32_t pipe = (pipe_id % CIK_PIPE_PER_MEC); - - lock_srbm(kgd, mec, pipe, queue_id, 0); -} - -static void release_queue(struct kgd_dev *kgd) -{ - unlock_srbm(kgd); -} - -static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid, - uint32_t sh_mem_config, - uint32_t sh_mem_ape1_base, - uint32_t sh_mem_ape1_limit, - uint32_t sh_mem_bases) -{ - lock_srbm(kgd, 0, 0, 0, vmid); - - write_register(kgd, SH_MEM_CONFIG, sh_mem_config); - write_register(kgd, SH_MEM_APE1_BASE, sh_mem_ape1_base); - write_register(kgd, SH_MEM_APE1_LIMIT, sh_mem_ape1_limit); - write_register(kgd, SH_MEM_BASES, sh_mem_bases); - - unlock_srbm(kgd); -} - -static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, - unsigned int vmid) -{ - /* - * We have to assume that there is no outstanding mapping. - * The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0 - * because a mapping is in progress or because a mapping finished and - * the SW cleared it. - * So the protocol is to always wait & clear. - */ - uint32_t pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid | - ATC_VMID_PASID_MAPPING_VALID_MASK; - - write_register(kgd, ATC_VMID0_PASID_MAPPING + vmid*sizeof(uint32_t), - pasid_mapping); - - while (!(read_register(kgd, ATC_VMID_PASID_MAPPING_UPDATE_STATUS) & - (1U << vmid))) - cpu_relax(); - write_register(kgd, ATC_VMID_PASID_MAPPING_UPDATE_STATUS, 1U << vmid); - - /* Mapping vmid to pasid also for IH block */ - write_register(kgd, IH_VMID_0_LUT + vmid * sizeof(uint32_t), - pasid_mapping); - - return 0; -} - -static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, - uint32_t hpd_size, uint64_t hpd_gpu_addr) -{ - /* nothing to do here */ - return 0; -} - -static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id) -{ - uint32_t mec; - uint32_t pipe; - - mec = (pipe_id / CIK_PIPE_PER_MEC) + 1; - pipe = (pipe_id % CIK_PIPE_PER_MEC); - - lock_srbm(kgd, mec, pipe, 0, 0); - - write_register(kgd, CPC_INT_CNTL, - TIME_STAMP_INT_ENABLE | OPCODE_ERROR_INT_ENABLE); - - unlock_srbm(kgd); - - return 0; -} - -static inline uint32_t get_sdma_base_addr(struct cik_sdma_rlc_registers *m) -{ - uint32_t retval; - - retval = m->sdma_engine_id * SDMA1_REGISTER_OFFSET + - m->sdma_queue_id * KFD_CIK_SDMA_QUEUE_OFFSET; - - pr_debug("kfd: sdma base address: 0x%x\n", retval); - - return retval; -} - -static inline struct cik_mqd *get_mqd(void *mqd) -{ - return (struct cik_mqd *)mqd; -} - -static inline struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd) -{ - return (struct cik_sdma_rlc_registers *)mqd; -} - -static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, - uint32_t queue_id, uint32_t __user *wptr, - uint32_t wptr_shift, uint32_t wptr_mask, - struct mm_struct *mm) -{ - uint32_t wptr_shadow, is_wptr_shadow_valid; - struct cik_mqd *m; - - m = get_mqd(mqd); - - is_wptr_shadow_valid = !get_user(wptr_shadow, wptr); - - acquire_queue(kgd, pipe_id, queue_id); - write_register(kgd, CP_MQD_BASE_ADDR, m->cp_mqd_base_addr_lo); - write_register(kgd, CP_MQD_BASE_ADDR_HI, m->cp_mqd_base_addr_hi); - write_register(kgd, CP_MQD_CONTROL, m->cp_mqd_control); - - write_register(kgd, CP_HQD_PQ_BASE, m->cp_hqd_pq_base_lo); - write_register(kgd, CP_HQD_PQ_BASE_HI, m->cp_hqd_pq_base_hi); - write_register(kgd, CP_HQD_PQ_CONTROL, m->cp_hqd_pq_control); - - write_register(kgd, CP_HQD_IB_CONTROL, m->cp_hqd_ib_control); - write_register(kgd, CP_HQD_IB_BASE_ADDR, m->cp_hqd_ib_base_addr_lo); - write_register(kgd, CP_HQD_IB_BASE_ADDR_HI, m->cp_hqd_ib_base_addr_hi); - - write_register(kgd, CP_HQD_IB_RPTR, m->cp_hqd_ib_rptr); - - write_register(kgd, CP_HQD_PERSISTENT_STATE, - m->cp_hqd_persistent_state); - write_register(kgd, CP_HQD_SEMA_CMD, m->cp_hqd_sema_cmd); - write_register(kgd, CP_HQD_MSG_TYPE, m->cp_hqd_msg_type); - - write_register(kgd, CP_HQD_ATOMIC0_PREOP_LO, - m->cp_hqd_atomic0_preop_lo); - - write_register(kgd, CP_HQD_ATOMIC0_PREOP_HI, - m->cp_hqd_atomic0_preop_hi); - - write_register(kgd, CP_HQD_ATOMIC1_PREOP_LO, - m->cp_hqd_atomic1_preop_lo); - - write_register(kgd, CP_HQD_ATOMIC1_PREOP_HI, - m->cp_hqd_atomic1_preop_hi); - - write_register(kgd, CP_HQD_PQ_RPTR_REPORT_ADDR, - m->cp_hqd_pq_rptr_report_addr_lo); - - write_register(kgd, CP_HQD_PQ_RPTR_REPORT_ADDR_HI, - m->cp_hqd_pq_rptr_report_addr_hi); - - write_register(kgd, CP_HQD_PQ_RPTR, m->cp_hqd_pq_rptr); - - write_register(kgd, CP_HQD_PQ_WPTR_POLL_ADDR, - m->cp_hqd_pq_wptr_poll_addr_lo); - - write_register(kgd, CP_HQD_PQ_WPTR_POLL_ADDR_HI, - m->cp_hqd_pq_wptr_poll_addr_hi); - - write_register(kgd, CP_HQD_PQ_DOORBELL_CONTROL, - m->cp_hqd_pq_doorbell_control); - - write_register(kgd, CP_HQD_VMID, m->cp_hqd_vmid); - - write_register(kgd, CP_HQD_QUANTUM, m->cp_hqd_quantum); - - write_register(kgd, CP_HQD_PIPE_PRIORITY, m->cp_hqd_pipe_priority); - write_register(kgd, CP_HQD_QUEUE_PRIORITY, m->cp_hqd_queue_priority); - - write_register(kgd, CP_HQD_IQ_RPTR, m->cp_hqd_iq_rptr); - - if (is_wptr_shadow_valid) - write_register(kgd, CP_HQD_PQ_WPTR, wptr_shadow); - - write_register(kgd, CP_HQD_ACTIVE, m->cp_hqd_active); - release_queue(kgd); - - return 0; -} - -static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd) -{ - struct cik_sdma_rlc_registers *m; - uint32_t sdma_base_addr; - - m = get_sdma_mqd(mqd); - sdma_base_addr = get_sdma_base_addr(m); - - write_register(kgd, - sdma_base_addr + SDMA0_RLC0_VIRTUAL_ADDR, - m->sdma_rlc_virtual_addr); - - write_register(kgd, - sdma_base_addr + SDMA0_RLC0_RB_BASE, - m->sdma_rlc_rb_base); - - write_register(kgd, - sdma_base_addr + SDMA0_RLC0_RB_BASE_HI, - m->sdma_rlc_rb_base_hi); - - write_register(kgd, - sdma_base_addr + SDMA0_RLC0_RB_RPTR_ADDR_LO, - m->sdma_rlc_rb_rptr_addr_lo); - - write_register(kgd, - sdma_base_addr + SDMA0_RLC0_RB_RPTR_ADDR_HI, - m->sdma_rlc_rb_rptr_addr_hi); - - write_register(kgd, - sdma_base_addr + SDMA0_RLC0_DOORBELL, - m->sdma_rlc_doorbell); - - write_register(kgd, - sdma_base_addr + SDMA0_RLC0_RB_CNTL, - m->sdma_rlc_rb_cntl); - - return 0; -} - -static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address, - uint32_t pipe_id, uint32_t queue_id) -{ - uint32_t act; - bool retval = false; - uint32_t low, high; - - acquire_queue(kgd, pipe_id, queue_id); - act = read_register(kgd, CP_HQD_ACTIVE); - if (act) { - low = lower_32_bits(queue_address >> 8); - high = upper_32_bits(queue_address >> 8); - - if (low == read_register(kgd, CP_HQD_PQ_BASE) && - high == read_register(kgd, CP_HQD_PQ_BASE_HI)) - retval = true; - } - release_queue(kgd); - return retval; -} - -static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd) -{ - struct cik_sdma_rlc_registers *m; - uint32_t sdma_base_addr; - uint32_t sdma_rlc_rb_cntl; - - m = get_sdma_mqd(mqd); - sdma_base_addr = get_sdma_base_addr(m); - - sdma_rlc_rb_cntl = read_register(kgd, - sdma_base_addr + SDMA0_RLC0_RB_CNTL); - - if (sdma_rlc_rb_cntl & SDMA_RB_ENABLE) - return true; - - return false; -} - -static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd, uint32_t reset_type, - unsigned int timeout, uint32_t pipe_id, - uint32_t queue_id) -{ - uint32_t temp; - - acquire_queue(kgd, pipe_id, queue_id); - write_register(kgd, CP_HQD_PQ_DOORBELL_CONTROL, 0); - - write_register(kgd, CP_HQD_DEQUEUE_REQUEST, reset_type); - - while (true) { - temp = read_register(kgd, CP_HQD_ACTIVE); - if (temp & 0x1) - break; - if (timeout == 0) { - pr_err("kfd: cp queue preemption time out (%dms)\n", - temp); - release_queue(kgd); - return -ETIME; - } - msleep(20); - timeout -= 20; - } - - release_queue(kgd); - return 0; -} - -static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd, - unsigned int timeout) -{ - struct cik_sdma_rlc_registers *m; - uint32_t sdma_base_addr; - uint32_t temp; - - m = get_sdma_mqd(mqd); - sdma_base_addr = get_sdma_base_addr(m); - - temp = read_register(kgd, sdma_base_addr + SDMA0_RLC0_RB_CNTL); - temp = temp & ~SDMA_RB_ENABLE; - write_register(kgd, sdma_base_addr + SDMA0_RLC0_RB_CNTL, temp); - - while (true) { - temp = read_register(kgd, sdma_base_addr + - SDMA0_RLC0_CONTEXT_STATUS); - if (temp & SDMA_RLC_IDLE) - break; - if (timeout == 0) - return -ETIME; - msleep(20); - timeout -= 20; - } - - write_register(kgd, sdma_base_addr + SDMA0_RLC0_DOORBELL, 0); - write_register(kgd, sdma_base_addr + SDMA0_RLC0_RB_RPTR, 0); - write_register(kgd, sdma_base_addr + SDMA0_RLC0_RB_WPTR, 0); - write_register(kgd, sdma_base_addr + SDMA0_RLC0_RB_BASE, 0); - - return 0; -} - -static int kgd_address_watch_disable(struct kgd_dev *kgd) -{ - union TCP_WATCH_CNTL_BITS cntl; - unsigned int i; - - cntl.u32All = 0; - - cntl.bitfields.valid = 0; - cntl.bitfields.mask = ADDRESS_WATCH_REG_CNTL_DEFAULT_MASK; - cntl.bitfields.atc = 1; - - /* Turning off this address until we set all the registers */ - for (i = 0; i < MAX_WATCH_ADDRESSES; i++) - write_register(kgd, - watchRegs[i * ADDRESS_WATCH_REG_MAX + - ADDRESS_WATCH_REG_CNTL], - cntl.u32All); - - return 0; -} - -static int kgd_address_watch_execute(struct kgd_dev *kgd, - unsigned int watch_point_id, - uint32_t cntl_val, - uint32_t addr_hi, - uint32_t addr_lo) -{ - union TCP_WATCH_CNTL_BITS cntl; - - cntl.u32All = cntl_val; - - /* Turning off this watch point until we set all the registers */ - cntl.bitfields.valid = 0; - write_register(kgd, - watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX + - ADDRESS_WATCH_REG_CNTL], - cntl.u32All); - - write_register(kgd, - watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX + - ADDRESS_WATCH_REG_ADDR_HI], - addr_hi); - - write_register(kgd, - watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX + - ADDRESS_WATCH_REG_ADDR_LO], - addr_lo); - - /* Enable the watch point */ - cntl.bitfields.valid = 1; - - write_register(kgd, - watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX + - ADDRESS_WATCH_REG_CNTL], - cntl.u32All); - - return 0; -} - -static int kgd_wave_control_execute(struct kgd_dev *kgd, - uint32_t gfx_index_val, - uint32_t sq_cmd) -{ - struct radeon_device *rdev = get_radeon_device(kgd); - uint32_t data; - - mutex_lock(&rdev->grbm_idx_mutex); - - write_register(kgd, GRBM_GFX_INDEX, gfx_index_val); - write_register(kgd, SQ_CMD, sq_cmd); - - /* Restore the GRBM_GFX_INDEX register */ - - data = INSTANCE_BROADCAST_WRITES | SH_BROADCAST_WRITES | - SE_BROADCAST_WRITES; - - write_register(kgd, GRBM_GFX_INDEX, data); - - mutex_unlock(&rdev->grbm_idx_mutex); - - return 0; -} - -static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd, - unsigned int watch_point_id, - unsigned int reg_offset) -{ - return watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX + reg_offset] - / 4; -} - -static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd, uint8_t vmid) -{ - uint32_t reg; - struct radeon_device *rdev = (struct radeon_device *) kgd; - - reg = RREG32(ATC_VMID0_PASID_MAPPING + vmid*4); - return reg & ATC_VMID_PASID_MAPPING_VALID_MASK; -} - -static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd, - uint8_t vmid) -{ - uint32_t reg; - struct radeon_device *rdev = (struct radeon_device *) kgd; - - reg = RREG32(ATC_VMID0_PASID_MAPPING + vmid*4); - return reg & ATC_VMID_PASID_MAPPING_PASID_MASK; -} - -static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid) -{ - struct radeon_device *rdev = (struct radeon_device *) kgd; - - return WREG32(VM_INVALIDATE_REQUEST, 1 << vmid); -} - -static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type) -{ - struct radeon_device *rdev = (struct radeon_device *) kgd; - const union radeon_firmware_header *hdr; - - BUG_ON(kgd == NULL || rdev->mec_fw == NULL); - - switch (type) { - case KGD_ENGINE_PFP: - hdr = (const union radeon_firmware_header *) rdev->pfp_fw->data; - break; - - case KGD_ENGINE_ME: - hdr = (const union radeon_firmware_header *) rdev->me_fw->data; - break; - - case KGD_ENGINE_CE: - hdr = (const union radeon_firmware_header *) rdev->ce_fw->data; - break; - - case KGD_ENGINE_MEC1: - hdr = (const union radeon_firmware_header *) rdev->mec_fw->data; - break; - - case KGD_ENGINE_MEC2: - hdr = (const union radeon_firmware_header *) - rdev->mec2_fw->data; - break; - - case KGD_ENGINE_RLC: - hdr = (const union radeon_firmware_header *) rdev->rlc_fw->data; - break; - - case KGD_ENGINE_SDMA1: - case KGD_ENGINE_SDMA2: - hdr = (const union radeon_firmware_header *) - rdev->sdma_fw->data; - break; - - default: - return 0; - } - - if (hdr == NULL) - return 0; - - /* Only 12 bit in use*/ - return hdr->common.ucode_version; -} |