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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 921 |
1 files changed, 921 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c new file mode 100644 index 0000000000..42d881809d --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c @@ -0,0 +1,921 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright 2016-2022 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/printk.h> +#include <linux/slab.h> +#include <linux/uaccess.h> +#include "kfd_priv.h" +#include "kfd_mqd_manager.h" +#include "v9_structs.h" +#include "gc/gc_9_0_offset.h" +#include "gc/gc_9_0_sh_mask.h" +#include "sdma0/sdma0_4_0_sh_mask.h" +#include "amdgpu_amdkfd.h" +#include "kfd_device_queue_manager.h" + +static void update_mqd(struct mqd_manager *mm, void *mqd, + struct queue_properties *q, + struct mqd_update_info *minfo); + +static uint64_t mqd_stride_v9(struct mqd_manager *mm, + struct queue_properties *q) +{ + if (mm->dev->kfd->cwsr_enabled && + q->type == KFD_QUEUE_TYPE_COMPUTE) + return ALIGN(q->ctl_stack_size, PAGE_SIZE) + + ALIGN(sizeof(struct v9_mqd), PAGE_SIZE); + + return mm->mqd_size; +} + +static inline struct v9_mqd *get_mqd(void *mqd) +{ + return (struct v9_mqd *)mqd; +} + +static inline struct v9_sdma_mqd *get_sdma_mqd(void *mqd) +{ + return (struct v9_sdma_mqd *)mqd; +} + +static void update_cu_mask(struct mqd_manager *mm, void *mqd, + struct mqd_update_info *minfo, uint32_t inst) +{ + struct v9_mqd *m; + uint32_t se_mask[KFD_MAX_NUM_SE] = {0}; + + if (!minfo || !minfo->cu_mask.ptr) + return; + + mqd_symmetrically_map_cu_mask(mm, + minfo->cu_mask.ptr, minfo->cu_mask.count, se_mask, inst); + + m = get_mqd(mqd); + + m->compute_static_thread_mgmt_se0 = se_mask[0]; + m->compute_static_thread_mgmt_se1 = se_mask[1]; + m->compute_static_thread_mgmt_se2 = se_mask[2]; + m->compute_static_thread_mgmt_se3 = se_mask[3]; + if (KFD_GC_VERSION(mm->dev) != IP_VERSION(9, 4, 3)) { + m->compute_static_thread_mgmt_se4 = se_mask[4]; + m->compute_static_thread_mgmt_se5 = se_mask[5]; + m->compute_static_thread_mgmt_se6 = se_mask[6]; + m->compute_static_thread_mgmt_se7 = se_mask[7]; + + pr_debug("update cu mask to %#x %#x %#x %#x %#x %#x %#x %#x\n", + m->compute_static_thread_mgmt_se0, + m->compute_static_thread_mgmt_se1, + m->compute_static_thread_mgmt_se2, + m->compute_static_thread_mgmt_se3, + m->compute_static_thread_mgmt_se4, + m->compute_static_thread_mgmt_se5, + m->compute_static_thread_mgmt_se6, + m->compute_static_thread_mgmt_se7); + } else { + pr_debug("inst: %u, update cu mask to %#x %#x %#x %#x\n", + inst, m->compute_static_thread_mgmt_se0, + m->compute_static_thread_mgmt_se1, + m->compute_static_thread_mgmt_se2, + m->compute_static_thread_mgmt_se3); + } +} + +static void set_priority(struct v9_mqd *m, struct queue_properties *q) +{ + m->cp_hqd_pipe_priority = pipe_priority_map[q->priority]; + m->cp_hqd_queue_priority = q->priority; +} + +static struct kfd_mem_obj *allocate_mqd(struct kfd_node *node, + struct queue_properties *q) +{ + int retval; + struct kfd_mem_obj *mqd_mem_obj = NULL; + + /* For V9 only, due to a HW bug, the control stack of a user mode + * compute queue needs to be allocated just behind the page boundary + * of its regular MQD buffer. So we allocate an enlarged MQD buffer: + * the first page of the buffer serves as the regular MQD buffer + * purpose and the remaining is for control stack. Although the two + * parts are in the same buffer object, they need different memory + * types: MQD part needs UC (uncached) as usual, while control stack + * needs NC (non coherent), which is different from the UC type which + * is used when control stack is allocated in user space. + * + * Because of all those, we use the gtt allocation function instead + * of sub-allocation function for this enlarged MQD buffer. Moreover, + * in order to achieve two memory types in a single buffer object, we + * pass a special bo flag AMDGPU_GEM_CREATE_CP_MQD_GFX9 to instruct + * amdgpu memory functions to do so. + */ + if (node->kfd->cwsr_enabled && (q->type == KFD_QUEUE_TYPE_COMPUTE)) { + mqd_mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_KERNEL); + if (!mqd_mem_obj) + return NULL; + retval = amdgpu_amdkfd_alloc_gtt_mem(node->adev, + (ALIGN(q->ctl_stack_size, PAGE_SIZE) + + ALIGN(sizeof(struct v9_mqd), PAGE_SIZE)) * + NUM_XCC(node->xcc_mask), + &(mqd_mem_obj->gtt_mem), + &(mqd_mem_obj->gpu_addr), + (void *)&(mqd_mem_obj->cpu_ptr), true); + + if (retval) { + kfree(mqd_mem_obj); + return NULL; + } + } else { + retval = kfd_gtt_sa_allocate(node, sizeof(struct v9_mqd), + &mqd_mem_obj); + if (retval) + return NULL; + } + + return mqd_mem_obj; +} + +static void init_mqd(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +{ + uint64_t addr; + struct v9_mqd *m; + + m = (struct v9_mqd *) mqd_mem_obj->cpu_ptr; + addr = mqd_mem_obj->gpu_addr; + + memset(m, 0, sizeof(struct v9_mqd)); + + m->header = 0xC0310800; + m->compute_pipelinestat_enable = 1; + m->compute_static_thread_mgmt_se0 = 0xFFFFFFFF; + m->compute_static_thread_mgmt_se1 = 0xFFFFFFFF; + m->compute_static_thread_mgmt_se2 = 0xFFFFFFFF; + m->compute_static_thread_mgmt_se3 = 0xFFFFFFFF; + m->compute_static_thread_mgmt_se4 = 0xFFFFFFFF; + m->compute_static_thread_mgmt_se5 = 0xFFFFFFFF; + m->compute_static_thread_mgmt_se6 = 0xFFFFFFFF; + m->compute_static_thread_mgmt_se7 = 0xFFFFFFFF; + + m->cp_hqd_persistent_state = CP_HQD_PERSISTENT_STATE__PRELOAD_REQ_MASK | + 0x53 << CP_HQD_PERSISTENT_STATE__PRELOAD_SIZE__SHIFT; + + m->cp_mqd_control = 1 << CP_MQD_CONTROL__PRIV_STATE__SHIFT; + + m->cp_mqd_base_addr_lo = lower_32_bits(addr); + m->cp_mqd_base_addr_hi = upper_32_bits(addr); + + m->cp_hqd_quantum = 1 << CP_HQD_QUANTUM__QUANTUM_EN__SHIFT | + 1 << CP_HQD_QUANTUM__QUANTUM_SCALE__SHIFT | + 1 << CP_HQD_QUANTUM__QUANTUM_DURATION__SHIFT; + + /* Set cp_hqd_hq_scheduler0 bit 14 to 1 to have the CP set up the + * DISPATCH_PTR. This is required for the kfd debugger + */ + m->cp_hqd_hq_status0 = 1 << 14; + + if (q->format == KFD_QUEUE_FORMAT_AQL) + m->cp_hqd_aql_control = + 1 << CP_HQD_AQL_CONTROL__CONTROL0__SHIFT; + + if (q->tba_addr) { + m->compute_pgm_rsrc2 |= + (1 << COMPUTE_PGM_RSRC2__TRAP_PRESENT__SHIFT); + } + + if (mm->dev->kfd->cwsr_enabled && q->ctx_save_restore_area_address) { + m->cp_hqd_persistent_state |= + (1 << CP_HQD_PERSISTENT_STATE__QSWITCH_MODE__SHIFT); + m->cp_hqd_ctx_save_base_addr_lo = + lower_32_bits(q->ctx_save_restore_area_address); + m->cp_hqd_ctx_save_base_addr_hi = + upper_32_bits(q->ctx_save_restore_area_address); + m->cp_hqd_ctx_save_size = q->ctx_save_restore_area_size; + m->cp_hqd_cntl_stack_size = q->ctl_stack_size; + m->cp_hqd_cntl_stack_offset = q->ctl_stack_size; + m->cp_hqd_wg_state_offset = q->ctl_stack_size; + } + + *mqd = m; + if (gart_addr) + *gart_addr = addr; + update_mqd(mm, m, q, NULL); +} + +static int load_mqd(struct mqd_manager *mm, void *mqd, + uint32_t pipe_id, uint32_t queue_id, + struct queue_properties *p, struct mm_struct *mms) +{ + /* AQL write pointer counts in 64B packets, PM4/CP counts in dwords. */ + uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0); + + return mm->dev->kfd2kgd->hqd_load(mm->dev->adev, mqd, pipe_id, queue_id, + (uint32_t __user *)p->write_ptr, + wptr_shift, 0, mms, 0); +} + +static void update_mqd(struct mqd_manager *mm, void *mqd, + struct queue_properties *q, + struct mqd_update_info *minfo) +{ + struct v9_mqd *m; + + m = get_mqd(mqd); + + m->cp_hqd_pq_control = 5 << CP_HQD_PQ_CONTROL__RPTR_BLOCK_SIZE__SHIFT; + m->cp_hqd_pq_control |= order_base_2(q->queue_size / 4) - 1; + pr_debug("cp_hqd_pq_control 0x%x\n", m->cp_hqd_pq_control); + + m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8); + m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8); + + m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); + m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); + m->cp_hqd_pq_wptr_poll_addr_lo = lower_32_bits((uint64_t)q->write_ptr); + m->cp_hqd_pq_wptr_poll_addr_hi = upper_32_bits((uint64_t)q->write_ptr); + + m->cp_hqd_pq_doorbell_control = + q->doorbell_off << + CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT; + pr_debug("cp_hqd_pq_doorbell_control 0x%x\n", + m->cp_hqd_pq_doorbell_control); + + m->cp_hqd_ib_control = + 3 << CP_HQD_IB_CONTROL__MIN_IB_AVAIL_SIZE__SHIFT | + 1 << CP_HQD_IB_CONTROL__IB_EXE_DISABLE__SHIFT; + + /* + * HW does not clamp this field correctly. Maximum EOP queue size + * is constrained by per-SE EOP done signal count, which is 8-bit. + * Limit is 0xFF EOP entries (= 0x7F8 dwords). CP will not submit + * more than (EOP entry count - 1) so a queue size of 0x800 dwords + * is safe, giving a maximum field value of 0xA. + * + * Also, do calculation only if EOP is used (size > 0), otherwise + * the order_base_2 calculation provides incorrect result. + * + */ + m->cp_hqd_eop_control = q->eop_ring_buffer_size ? + min(0xA, order_base_2(q->eop_ring_buffer_size / 4) - 1) : 0; + + m->cp_hqd_eop_base_addr_lo = + lower_32_bits(q->eop_ring_buffer_address >> 8); + m->cp_hqd_eop_base_addr_hi = + upper_32_bits(q->eop_ring_buffer_address >> 8); + + m->cp_hqd_iq_timer = 0; + + m->cp_hqd_vmid = q->vmid; + + if (q->format == KFD_QUEUE_FORMAT_AQL) { + m->cp_hqd_pq_control |= CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK | + 2 << CP_HQD_PQ_CONTROL__SLOT_BASED_WPTR__SHIFT | + 1 << CP_HQD_PQ_CONTROL__QUEUE_FULL_EN__SHIFT | + 1 << CP_HQD_PQ_CONTROL__WPP_CLAMP_EN__SHIFT; + m->cp_hqd_pq_doorbell_control |= 1 << + CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_BIF_DROP__SHIFT; + } + if (mm->dev->kfd->cwsr_enabled && q->ctx_save_restore_area_address) + m->cp_hqd_ctx_save_control = 0; + + if (KFD_GC_VERSION(mm->dev) != IP_VERSION(9, 4, 3)) + update_cu_mask(mm, mqd, minfo, 0); + set_priority(m, q); + + q->is_active = QUEUE_IS_ACTIVE(*q); +} + + +static uint32_t read_doorbell_id(void *mqd) +{ + struct v9_mqd *m = (struct v9_mqd *)mqd; + + return m->queue_doorbell_id0; +} + +static int get_wave_state(struct mqd_manager *mm, void *mqd, + struct queue_properties *q, + void __user *ctl_stack, + u32 *ctl_stack_used_size, + u32 *save_area_used_size) +{ + struct v9_mqd *m; + struct kfd_context_save_area_header header; + + /* Control stack is located one page after MQD. */ + void *mqd_ctl_stack = (void *)((uintptr_t)mqd + PAGE_SIZE); + + m = get_mqd(mqd); + + *ctl_stack_used_size = m->cp_hqd_cntl_stack_size - + m->cp_hqd_cntl_stack_offset; + *save_area_used_size = m->cp_hqd_wg_state_offset - + m->cp_hqd_cntl_stack_size; + + header.wave_state.control_stack_size = *ctl_stack_used_size; + header.wave_state.wave_state_size = *save_area_used_size; + + header.wave_state.wave_state_offset = m->cp_hqd_wg_state_offset; + header.wave_state.control_stack_offset = m->cp_hqd_cntl_stack_offset; + + if (copy_to_user(ctl_stack, &header, sizeof(header.wave_state))) + return -EFAULT; + + if (copy_to_user(ctl_stack + m->cp_hqd_cntl_stack_offset, + mqd_ctl_stack + m->cp_hqd_cntl_stack_offset, + *ctl_stack_used_size)) + return -EFAULT; + + return 0; +} + +static void get_checkpoint_info(struct mqd_manager *mm, void *mqd, u32 *ctl_stack_size) +{ + struct v9_mqd *m = get_mqd(mqd); + + *ctl_stack_size = m->cp_hqd_cntl_stack_size; +} + +static void checkpoint_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst) +{ + struct v9_mqd *m; + /* Control stack is located one page after MQD. */ + void *ctl_stack = (void *)((uintptr_t)mqd + PAGE_SIZE); + + m = get_mqd(mqd); + + memcpy(mqd_dst, m, sizeof(struct v9_mqd)); + memcpy(ctl_stack_dst, ctl_stack, m->cp_hqd_cntl_stack_size); +} + +static void restore_mqd(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *qp, + const void *mqd_src, + const void *ctl_stack_src, u32 ctl_stack_size) +{ + uint64_t addr; + struct v9_mqd *m; + void *ctl_stack; + + m = (struct v9_mqd *) mqd_mem_obj->cpu_ptr; + addr = mqd_mem_obj->gpu_addr; + + memcpy(m, mqd_src, sizeof(*m)); + + *mqd = m; + if (gart_addr) + *gart_addr = addr; + + /* Control stack is located one page after MQD. */ + ctl_stack = (void *)((uintptr_t)*mqd + PAGE_SIZE); + memcpy(ctl_stack, ctl_stack_src, ctl_stack_size); + + m->cp_hqd_pq_doorbell_control = + qp->doorbell_off << + CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT; + pr_debug("cp_hqd_pq_doorbell_control 0x%x\n", + m->cp_hqd_pq_doorbell_control); + + qp->is_active = 0; +} + +static void init_mqd_hiq(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +{ + struct v9_mqd *m; + + init_mqd(mm, mqd, mqd_mem_obj, gart_addr, q); + + m = get_mqd(*mqd); + + m->cp_hqd_pq_control |= 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT | + 1 << CP_HQD_PQ_CONTROL__KMD_QUEUE__SHIFT; +} + +static int destroy_hiq_mqd(struct mqd_manager *mm, void *mqd, + enum kfd_preempt_type type, unsigned int timeout, + uint32_t pipe_id, uint32_t queue_id) +{ + int err; + struct v9_mqd *m; + u32 doorbell_off; + + m = get_mqd(mqd); + + doorbell_off = m->cp_hqd_pq_doorbell_control >> + CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT; + err = amdgpu_amdkfd_unmap_hiq(mm->dev->adev, doorbell_off, 0); + if (err) + pr_debug("Destroy HIQ MQD failed: %d\n", err); + + return err; +} + +static void init_mqd_sdma(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +{ + struct v9_sdma_mqd *m; + + m = (struct v9_sdma_mqd *) mqd_mem_obj->cpu_ptr; + + memset(m, 0, sizeof(struct v9_sdma_mqd)); + + *mqd = m; + if (gart_addr) + *gart_addr = mqd_mem_obj->gpu_addr; + + mm->update_mqd(mm, m, q, NULL); +} + +#define SDMA_RLC_DUMMY_DEFAULT 0xf + +static void update_mqd_sdma(struct mqd_manager *mm, void *mqd, + struct queue_properties *q, + struct mqd_update_info *minfo) +{ + struct v9_sdma_mqd *m; + + m = get_sdma_mqd(mqd); + m->sdmax_rlcx_rb_cntl = order_base_2(q->queue_size / 4) + << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT | + q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT | + 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT | + 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT; + + m->sdmax_rlcx_rb_base = lower_32_bits(q->queue_address >> 8); + m->sdmax_rlcx_rb_base_hi = upper_32_bits(q->queue_address >> 8); + m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); + m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); + m->sdmax_rlcx_doorbell_offset = + q->doorbell_off << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT; + + m->sdma_engine_id = q->sdma_engine_id; + m->sdma_queue_id = q->sdma_queue_id; + m->sdmax_rlcx_dummy_reg = SDMA_RLC_DUMMY_DEFAULT; + + q->is_active = QUEUE_IS_ACTIVE(*q); +} + +static void checkpoint_mqd_sdma(struct mqd_manager *mm, + void *mqd, + void *mqd_dst, + void *ctl_stack_dst) +{ + struct v9_sdma_mqd *m; + + m = get_sdma_mqd(mqd); + + memcpy(mqd_dst, m, sizeof(struct v9_sdma_mqd)); +} + +static void restore_mqd_sdma(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *qp, + const void *mqd_src, + const void *ctl_stack_src, const u32 ctl_stack_size) +{ + uint64_t addr; + struct v9_sdma_mqd *m; + + m = (struct v9_sdma_mqd *) mqd_mem_obj->cpu_ptr; + addr = mqd_mem_obj->gpu_addr; + + memcpy(m, mqd_src, sizeof(*m)); + + m->sdmax_rlcx_doorbell_offset = + qp->doorbell_off << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT; + + *mqd = m; + if (gart_addr) + *gart_addr = addr; + + qp->is_active = 0; +} + +static void init_mqd_hiq_v9_4_3(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +{ + struct v9_mqd *m; + int xcc = 0; + struct kfd_mem_obj xcc_mqd_mem_obj; + uint64_t xcc_gart_addr = 0; + + memset(&xcc_mqd_mem_obj, 0x0, sizeof(struct kfd_mem_obj)); + + for (xcc = 0; xcc < NUM_XCC(mm->dev->xcc_mask); xcc++) { + kfd_get_hiq_xcc_mqd(mm->dev, &xcc_mqd_mem_obj, xcc); + + init_mqd(mm, (void **)&m, &xcc_mqd_mem_obj, &xcc_gart_addr, q); + + m->cp_hqd_pq_control |= CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK | + 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT | + 1 << CP_HQD_PQ_CONTROL__KMD_QUEUE__SHIFT; + m->cp_mqd_stride_size = kfd_hiq_mqd_stride(mm->dev); + if (xcc == 0) { + /* Set no_update_rptr = 0 in Master XCC */ + m->cp_hqd_pq_control &= ~CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK; + + /* Set the MQD pointer and gart address to XCC0 MQD */ + *mqd = m; + *gart_addr = xcc_gart_addr; + } + } +} + +static int hiq_load_mqd_kiq_v9_4_3(struct mqd_manager *mm, void *mqd, + uint32_t pipe_id, uint32_t queue_id, + struct queue_properties *p, struct mm_struct *mms) +{ + uint32_t xcc_mask = mm->dev->xcc_mask; + int xcc_id, err, inst = 0; + void *xcc_mqd; + uint64_t hiq_mqd_size = kfd_hiq_mqd_stride(mm->dev); + + for_each_inst(xcc_id, xcc_mask) { + xcc_mqd = mqd + hiq_mqd_size * inst; + err = mm->dev->kfd2kgd->hiq_mqd_load(mm->dev->adev, xcc_mqd, + pipe_id, queue_id, + p->doorbell_off, xcc_id); + if (err) { + pr_debug("Failed to load HIQ MQD for XCC: %d\n", inst); + break; + } + ++inst; + } + + return err; +} + +static int destroy_hiq_mqd_v9_4_3(struct mqd_manager *mm, void *mqd, + enum kfd_preempt_type type, unsigned int timeout, + uint32_t pipe_id, uint32_t queue_id) +{ + uint32_t xcc_mask = mm->dev->xcc_mask; + int xcc_id, err, inst = 0; + uint64_t hiq_mqd_size = kfd_hiq_mqd_stride(mm->dev); + struct v9_mqd *m; + u32 doorbell_off; + + for_each_inst(xcc_id, xcc_mask) { + m = get_mqd(mqd + hiq_mqd_size * inst); + + doorbell_off = m->cp_hqd_pq_doorbell_control >> + CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT; + + err = amdgpu_amdkfd_unmap_hiq(mm->dev->adev, doorbell_off, xcc_id); + if (err) { + pr_debug("Destroy HIQ MQD failed for xcc: %d\n", inst); + break; + } + ++inst; + } + + return err; +} + +static void get_xcc_mqd(struct kfd_mem_obj *mqd_mem_obj, + struct kfd_mem_obj *xcc_mqd_mem_obj, + uint64_t offset) +{ + xcc_mqd_mem_obj->gtt_mem = (offset == 0) ? + mqd_mem_obj->gtt_mem : NULL; + xcc_mqd_mem_obj->gpu_addr = mqd_mem_obj->gpu_addr + offset; + xcc_mqd_mem_obj->cpu_ptr = (uint32_t *)((uintptr_t)mqd_mem_obj->cpu_ptr + + offset); +} + +static void init_mqd_v9_4_3(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +{ + struct v9_mqd *m; + int xcc = 0; + struct kfd_mem_obj xcc_mqd_mem_obj; + uint64_t xcc_gart_addr = 0; + uint64_t xcc_ctx_save_restore_area_address; + uint64_t offset = mm->mqd_stride(mm, q); + uint32_t local_xcc_start = mm->dev->dqm->current_logical_xcc_start++; + + memset(&xcc_mqd_mem_obj, 0x0, sizeof(struct kfd_mem_obj)); + for (xcc = 0; xcc < NUM_XCC(mm->dev->xcc_mask); xcc++) { + get_xcc_mqd(mqd_mem_obj, &xcc_mqd_mem_obj, offset*xcc); + + init_mqd(mm, (void **)&m, &xcc_mqd_mem_obj, &xcc_gart_addr, q); + + m->cp_mqd_stride_size = offset; + + /* + * Update the CWSR address for each XCC if CWSR is enabled + * and CWSR area is allocated in thunk + */ + if (mm->dev->kfd->cwsr_enabled && + q->ctx_save_restore_area_address) { + xcc_ctx_save_restore_area_address = + q->ctx_save_restore_area_address + + (xcc * q->ctx_save_restore_area_size); + + m->cp_hqd_ctx_save_base_addr_lo = + lower_32_bits(xcc_ctx_save_restore_area_address); + m->cp_hqd_ctx_save_base_addr_hi = + upper_32_bits(xcc_ctx_save_restore_area_address); + } + + if (q->format == KFD_QUEUE_FORMAT_AQL) { + m->compute_tg_chunk_size = 1; + m->compute_current_logic_xcc_id = + (local_xcc_start + xcc) % + NUM_XCC(mm->dev->xcc_mask); + + switch (xcc) { + case 0: + /* Master XCC */ + m->cp_hqd_pq_control &= + ~CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK; + break; + default: + break; + } + } else { + /* PM4 Queue */ + m->compute_current_logic_xcc_id = 0; + m->compute_tg_chunk_size = 0; + m->pm4_target_xcc_in_xcp = q->pm4_target_xcc; + } + + if (xcc == 0) { + /* Set the MQD pointer and gart address to XCC0 MQD */ + *mqd = m; + *gart_addr = xcc_gart_addr; + } + } +} + +static void update_mqd_v9_4_3(struct mqd_manager *mm, void *mqd, + struct queue_properties *q, struct mqd_update_info *minfo) +{ + struct v9_mqd *m; + int xcc = 0; + uint64_t size = mm->mqd_stride(mm, q); + + for (xcc = 0; xcc < NUM_XCC(mm->dev->xcc_mask); xcc++) { + m = get_mqd(mqd + size * xcc); + update_mqd(mm, m, q, minfo); + + update_cu_mask(mm, mqd, minfo, xcc); + + if (q->format == KFD_QUEUE_FORMAT_AQL) { + switch (xcc) { + case 0: + /* Master XCC */ + m->cp_hqd_pq_control &= + ~CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK; + break; + default: + break; + } + m->compute_tg_chunk_size = 1; + } else { + /* PM4 Queue */ + m->compute_current_logic_xcc_id = 0; + m->compute_tg_chunk_size = 0; + m->pm4_target_xcc_in_xcp = q->pm4_target_xcc; + } + } +} + +static int destroy_mqd_v9_4_3(struct mqd_manager *mm, void *mqd, + enum kfd_preempt_type type, unsigned int timeout, + uint32_t pipe_id, uint32_t queue_id) +{ + uint32_t xcc_mask = mm->dev->xcc_mask; + int xcc_id, err, inst = 0; + void *xcc_mqd; + struct v9_mqd *m; + uint64_t mqd_offset; + + m = get_mqd(mqd); + mqd_offset = m->cp_mqd_stride_size; + + for_each_inst(xcc_id, xcc_mask) { + xcc_mqd = mqd + mqd_offset * inst; + err = mm->dev->kfd2kgd->hqd_destroy(mm->dev->adev, xcc_mqd, + type, timeout, pipe_id, + queue_id, xcc_id); + if (err) { + pr_debug("Destroy MQD failed for xcc: %d\n", inst); + break; + } + ++inst; + } + + return err; +} + +static int load_mqd_v9_4_3(struct mqd_manager *mm, void *mqd, + uint32_t pipe_id, uint32_t queue_id, + struct queue_properties *p, struct mm_struct *mms) +{ + /* AQL write pointer counts in 64B packets, PM4/CP counts in dwords. */ + uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0); + uint32_t xcc_mask = mm->dev->xcc_mask; + int xcc_id, err, inst = 0; + void *xcc_mqd; + uint64_t mqd_stride_size = mm->mqd_stride(mm, p); + + for_each_inst(xcc_id, xcc_mask) { + xcc_mqd = mqd + mqd_stride_size * inst; + err = mm->dev->kfd2kgd->hqd_load( + mm->dev->adev, xcc_mqd, pipe_id, queue_id, + (uint32_t __user *)p->write_ptr, wptr_shift, 0, mms, + xcc_id); + if (err) { + pr_debug("Load MQD failed for xcc: %d\n", inst); + break; + } + ++inst; + } + + return err; +} + +static int get_wave_state_v9_4_3(struct mqd_manager *mm, void *mqd, + struct queue_properties *q, + void __user *ctl_stack, + u32 *ctl_stack_used_size, + u32 *save_area_used_size) +{ + int xcc, err = 0; + void *xcc_mqd; + void __user *xcc_ctl_stack; + uint64_t mqd_stride_size = mm->mqd_stride(mm, q); + u32 tmp_ctl_stack_used_size = 0, tmp_save_area_used_size = 0; + + for (xcc = 0; xcc < NUM_XCC(mm->dev->xcc_mask); xcc++) { + xcc_mqd = mqd + mqd_stride_size * xcc; + xcc_ctl_stack = (void __user *)((uintptr_t)ctl_stack + + q->ctx_save_restore_area_size * xcc); + + err = get_wave_state(mm, xcc_mqd, q, xcc_ctl_stack, + &tmp_ctl_stack_used_size, + &tmp_save_area_used_size); + if (err) + break; + + /* + * Set the ctl_stack_used_size and save_area_used_size to + * ctl_stack_used_size and save_area_used_size of XCC 0 when + * passing the info the user-space. + * For multi XCC, user-space would have to look at the header + * info of each Control stack area to determine the control + * stack size and save area used. + */ + if (xcc == 0) { + *ctl_stack_used_size = tmp_ctl_stack_used_size; + *save_area_used_size = tmp_save_area_used_size; + } + } + + return err; +} + +#if defined(CONFIG_DEBUG_FS) + +static int debugfs_show_mqd(struct seq_file *m, void *data) +{ + seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, + data, sizeof(struct v9_mqd), false); + return 0; +} + +static int debugfs_show_mqd_sdma(struct seq_file *m, void *data) +{ + seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, + data, sizeof(struct v9_sdma_mqd), false); + return 0; +} + +#endif + +struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, + struct kfd_node *dev) +{ + struct mqd_manager *mqd; + + if (WARN_ON(type >= KFD_MQD_TYPE_MAX)) + return NULL; + + mqd = kzalloc(sizeof(*mqd), GFP_KERNEL); + if (!mqd) + return NULL; + + mqd->dev = dev; + + switch (type) { + case KFD_MQD_TYPE_CP: + mqd->allocate_mqd = allocate_mqd; + mqd->free_mqd = kfd_free_mqd_cp; + mqd->is_occupied = kfd_is_occupied_cp; + mqd->get_checkpoint_info = get_checkpoint_info; + mqd->checkpoint_mqd = checkpoint_mqd; + mqd->restore_mqd = restore_mqd; + mqd->mqd_size = sizeof(struct v9_mqd); + mqd->mqd_stride = mqd_stride_v9; +#if defined(CONFIG_DEBUG_FS) + mqd->debugfs_show_mqd = debugfs_show_mqd; +#endif + if (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 3)) { + mqd->init_mqd = init_mqd_v9_4_3; + mqd->load_mqd = load_mqd_v9_4_3; + mqd->update_mqd = update_mqd_v9_4_3; + mqd->destroy_mqd = destroy_mqd_v9_4_3; + mqd->get_wave_state = get_wave_state_v9_4_3; + } else { + mqd->init_mqd = init_mqd; + mqd->load_mqd = load_mqd; + mqd->update_mqd = update_mqd; + mqd->destroy_mqd = kfd_destroy_mqd_cp; + mqd->get_wave_state = get_wave_state; + } + break; + case KFD_MQD_TYPE_HIQ: + mqd->allocate_mqd = allocate_hiq_mqd; + mqd->free_mqd = free_mqd_hiq_sdma; + mqd->update_mqd = update_mqd; + mqd->is_occupied = kfd_is_occupied_cp; + mqd->mqd_size = sizeof(struct v9_mqd); + mqd->mqd_stride = kfd_mqd_stride; +#if defined(CONFIG_DEBUG_FS) + mqd->debugfs_show_mqd = debugfs_show_mqd; +#endif + mqd->read_doorbell_id = read_doorbell_id; + if (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 3)) { + mqd->init_mqd = init_mqd_hiq_v9_4_3; + mqd->load_mqd = hiq_load_mqd_kiq_v9_4_3; + mqd->destroy_mqd = destroy_hiq_mqd_v9_4_3; + } else { + mqd->init_mqd = init_mqd_hiq; + mqd->load_mqd = kfd_hiq_load_mqd_kiq; + mqd->destroy_mqd = destroy_hiq_mqd; + } + break; + case KFD_MQD_TYPE_DIQ: + mqd->allocate_mqd = allocate_mqd; + mqd->init_mqd = init_mqd_hiq; + mqd->free_mqd = kfd_free_mqd_cp; + mqd->load_mqd = load_mqd; + mqd->update_mqd = update_mqd; + mqd->destroy_mqd = kfd_destroy_mqd_cp; + mqd->is_occupied = kfd_is_occupied_cp; + mqd->mqd_size = sizeof(struct v9_mqd); +#if defined(CONFIG_DEBUG_FS) + mqd->debugfs_show_mqd = debugfs_show_mqd; +#endif + break; + case KFD_MQD_TYPE_SDMA: + mqd->allocate_mqd = allocate_sdma_mqd; + mqd->init_mqd = init_mqd_sdma; + mqd->free_mqd = free_mqd_hiq_sdma; + mqd->load_mqd = kfd_load_mqd_sdma; + mqd->update_mqd = update_mqd_sdma; + mqd->destroy_mqd = kfd_destroy_mqd_sdma; + mqd->is_occupied = kfd_is_occupied_sdma; + mqd->checkpoint_mqd = checkpoint_mqd_sdma; + mqd->restore_mqd = restore_mqd_sdma; + mqd->mqd_size = sizeof(struct v9_sdma_mqd); + mqd->mqd_stride = kfd_mqd_stride; +#if defined(CONFIG_DEBUG_FS) + mqd->debugfs_show_mqd = debugfs_show_mqd_sdma; +#endif + break; + default: + kfree(mqd); + return NULL; + } + + return mqd; +} |