device_queue_manager_error:
amd_iommu_free_device(kfd->pdev);
device_iommu_pasid_error:
- kfd_interrupt_exit(kfd);
- kfd_interrupt_error:
kfd_topology_remove_device(kfd);
kfd_topology_add_device_error:
- kfd2kgd->fini_sa_manager(kfd->kgd);
+ kfd_gtt_sa_fini(kfd);
+kfd_gtt_sa_init_error:
+ kfd2kgd->free_gtt_mem(kfd->kgd, kfd->gtt_mem);
dev_err(kfd_device,
"device (%x:%x) NOT added due to errors\n",
kfd->pdev->vendor, kfd->pdev->device);
if (kfd->init_complete) {
device_queue_manager_uninit(kfd->dqm);
amd_iommu_free_device(kfd->pdev);
- kfd_interrupt_exit(kfd);
kfd_topology_remove_device(kfd);
+ kfd_gtt_sa_fini(kfd);
+ kfd2kgd->free_gtt_mem(kfd->kgd, kfd->gtt_mem);
}
kfree(kfd);
/* This is called directly from KGD at ISR. */
void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry)
{
- if (kfd->init_complete) {
- spin_lock(&kfd->interrupt_lock);
-
- if (kfd->interrupts_active
- && enqueue_ih_ring_entry(kfd, ih_ring_entry))
- schedule_work(&kfd->interrupt_work);
-
- spin_unlock(&kfd->interrupt_lock);
- }
+ /* Process interrupts / schedule work as necessary */
}
+
+static int kfd_gtt_sa_init(struct kfd_dev *kfd, unsigned int buf_size,
+ unsigned int chunk_size)
+{
+ unsigned int num_of_bits;
+
+ BUG_ON(!kfd);
+ BUG_ON(!kfd->gtt_mem);
+ BUG_ON(buf_size < chunk_size);
+ BUG_ON(buf_size == 0);
+ BUG_ON(chunk_size == 0);
+
+ kfd->gtt_sa_chunk_size = chunk_size;
+ kfd->gtt_sa_num_of_chunks = buf_size / chunk_size;
+
+ num_of_bits = kfd->gtt_sa_num_of_chunks / BITS_PER_BYTE;
+ BUG_ON(num_of_bits == 0);
+
+ kfd->gtt_sa_bitmap = kzalloc(num_of_bits, GFP_KERNEL);
+
+ if (!kfd->gtt_sa_bitmap)
+ return -ENOMEM;
+
+ pr_debug("kfd: gtt_sa_num_of_chunks = %d, gtt_sa_bitmap = %p\n",
+ kfd->gtt_sa_num_of_chunks, kfd->gtt_sa_bitmap);
+
+ mutex_init(&kfd->gtt_sa_lock);
+
+ return 0;
+
+}
+
+static void kfd_gtt_sa_fini(struct kfd_dev *kfd)
+{
+ mutex_destroy(&kfd->gtt_sa_lock);
+ kfree(kfd->gtt_sa_bitmap);
+}
+
+static inline uint64_t kfd_gtt_sa_calc_gpu_addr(uint64_t start_addr,
+ unsigned int bit_num,
+ unsigned int chunk_size)
+{
+ return start_addr + bit_num * chunk_size;
+}
+
+static inline uint32_t *kfd_gtt_sa_calc_cpu_addr(void *start_addr,
+ unsigned int bit_num,
+ unsigned int chunk_size)
+{
+ return (uint32_t *) ((uint64_t) start_addr + bit_num * chunk_size);
+}
+
+int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size,
+ struct kfd_mem_obj **mem_obj)
+{
+ unsigned int found, start_search, cur_size;
+
+ BUG_ON(!kfd);
+
+ if (size == 0)
+ return -EINVAL;
+
+ if (size > kfd->gtt_sa_num_of_chunks * kfd->gtt_sa_chunk_size)
+ return -ENOMEM;
+
+ *mem_obj = kmalloc(sizeof(struct kfd_mem_obj), GFP_KERNEL);
+ if ((*mem_obj) == NULL)
+ return -ENOMEM;
+
+ pr_debug("kfd: allocated mem_obj = %p for size = %d\n", *mem_obj, size);
+
+ start_search = 0;
+
+ mutex_lock(&kfd->gtt_sa_lock);
+
+kfd_gtt_restart_search:
+ /* Find the first chunk that is free */
+ found = find_next_zero_bit(kfd->gtt_sa_bitmap,
+ kfd->gtt_sa_num_of_chunks,
+ start_search);
+
+ pr_debug("kfd: found = %d\n", found);
+
+ /* If there wasn't any free chunk, bail out */
+ if (found == kfd->gtt_sa_num_of_chunks)
+ goto kfd_gtt_no_free_chunk;
+
+ /* Update fields of mem_obj */
+ (*mem_obj)->range_start = found;
+ (*mem_obj)->range_end = found;
+ (*mem_obj)->gpu_addr = kfd_gtt_sa_calc_gpu_addr(
+ kfd->gtt_start_gpu_addr,
+ found,
+ kfd->gtt_sa_chunk_size);
+ (*mem_obj)->cpu_ptr = kfd_gtt_sa_calc_cpu_addr(
+ kfd->gtt_start_cpu_ptr,
+ found,
+ kfd->gtt_sa_chunk_size);
+
+ pr_debug("kfd: gpu_addr = %p, cpu_addr = %p\n",
+ (uint64_t *) (*mem_obj)->gpu_addr, (*mem_obj)->cpu_ptr);
+
+ /* If we need only one chunk, mark it as allocated and get out */
+ if (size <= kfd->gtt_sa_chunk_size) {
+ pr_debug("kfd: single bit\n");
+ set_bit(found, kfd->gtt_sa_bitmap);
+ goto kfd_gtt_out;
+ }
+
+ /* Otherwise, try to see if we have enough contiguous chunks */
+ cur_size = size - kfd->gtt_sa_chunk_size;
+ do {
+ (*mem_obj)->range_end =
+ find_next_zero_bit(kfd->gtt_sa_bitmap,
+ kfd->gtt_sa_num_of_chunks, ++found);
+ /*
+ * If next free chunk is not contiguous than we need to
+ * restart our search from the last free chunk we found (which
+ * wasn't contiguous to the previous ones
+ */
+ if ((*mem_obj)->range_end != found) {
+ start_search = found;
+ goto kfd_gtt_restart_search;
+ }
+
+ /*
+ * If we reached end of buffer, bail out with error
+ */
+ if (found == kfd->gtt_sa_num_of_chunks)
+ goto kfd_gtt_no_free_chunk;
+
+ /* Check if we don't need another chunk */
+ if (cur_size <= kfd->gtt_sa_chunk_size)
+ cur_size = 0;
+ else
+ cur_size -= kfd->gtt_sa_chunk_size;
+
+ } while (cur_size > 0);
+
+ pr_debug("kfd: range_start = %d, range_end = %d\n",
+ (*mem_obj)->range_start, (*mem_obj)->range_end);
+
+ /* Mark the chunks as allocated */
+ for (found = (*mem_obj)->range_start;
+ found <= (*mem_obj)->range_end;
+ found++)
+ set_bit(found, kfd->gtt_sa_bitmap);
+
+kfd_gtt_out:
+ mutex_unlock(&kfd->gtt_sa_lock);
+ return 0;
+
+kfd_gtt_no_free_chunk:
+ pr_debug("kfd: allocation failed with mem_obj = %p\n", mem_obj);
+ mutex_unlock(&kfd->gtt_sa_lock);
+ kfree(mem_obj);
+ return -ENOMEM;
+}
+
+int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj)
+{
+ unsigned int bit;
+
+ BUG_ON(!kfd);
+
+ /* Act like kfree when trying to free a NULL object */
+ if (!mem_obj)
+ return 0;
+
+ pr_debug("kfd: free mem_obj = %p, range_start = %d, range_end = %d\n",
+ mem_obj, mem_obj->range_start, mem_obj->range_end);
+
+ mutex_lock(&kfd->gtt_sa_lock);
+
+ /* Mark the chunks as free */
+ for (bit = mem_obj->range_start;
+ bit <= mem_obj->range_end;
+ bit++)
+ clear_bit(bit, kfd->gtt_sa_bitmap);
+
+ mutex_unlock(&kfd->gtt_sa_lock);
+
+ kfree(mem_obj);
+ return 0;
+}
--- /dev/null
- return kfd2kgd->hqd_is_occupies(mm->dev->kgd, queue_address,
+/*
+ * 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/printk.h>
+#include <linux/slab.h>
+#include "kfd_priv.h"
+#include "kfd_mqd_manager.h"
+#include "cik_regs.h"
+#include "cik_structs.h"
+
+static inline struct cik_mqd *get_mqd(void *mqd)
+{
+ return (struct cik_mqd *)mqd;
+}
+
+static int 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 cik_mqd *m;
+ int retval;
+
+ BUG_ON(!mm || !q || !mqd);
+
+ pr_debug("kfd: In func %s\n", __func__);
+
+ retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct cik_mqd),
+ mqd_mem_obj);
+
+ if (retval != 0)
+ return -ENOMEM;
+
+ m = (struct cik_mqd *) (*mqd_mem_obj)->cpu_ptr;
+ addr = (*mqd_mem_obj)->gpu_addr;
+
+ memset(m, 0, ALIGN(sizeof(struct cik_mqd), 256));
+
+ 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;
+
+ /*
+ * Make sure to use the last queue state saved on mqd when the cp
+ * reassigns the queue, so when queue is switched on/off (e.g over
+ * subscription or quantum timeout) the context will be consistent
+ */
+ m->cp_hqd_persistent_state =
+ DEFAULT_CP_HQD_PERSISTENT_STATE | PRELOAD_REQ;
+
+ m->cp_mqd_control = MQD_CONTROL_PRIV_STATE_EN;
+ m->cp_mqd_base_addr_lo = lower_32_bits(addr);
+ m->cp_mqd_base_addr_hi = upper_32_bits(addr);
+
+ m->cp_hqd_ib_control = DEFAULT_MIN_IB_AVAIL_SIZE | IB_ATC_EN;
+ /* Although WinKFD writes this, I suspect it should not be necessary */
+ m->cp_hqd_ib_control = IB_ATC_EN | DEFAULT_MIN_IB_AVAIL_SIZE;
+
+ m->cp_hqd_quantum = QUANTUM_EN | QUANTUM_SCALE_1MS |
+ QUANTUM_DURATION(10);
+
+ /*
+ * Pipe Priority
+ * Identifies the pipe relative priority when this queue is connected
+ * to the pipeline. The pipe priority is against the GFX pipe and HP3D.
+ * In KFD we are using a fixed pipe priority set to CS_MEDIUM.
+ * 0 = CS_LOW (typically below GFX)
+ * 1 = CS_MEDIUM (typically between HP3D and GFX
+ * 2 = CS_HIGH (typically above HP3D)
+ */
+ m->cp_hqd_pipe_priority = 1;
+ m->cp_hqd_queue_priority = 15;
+
+ *mqd = m;
+ if (gart_addr != NULL)
+ *gart_addr = addr;
+ retval = mm->update_mqd(mm, m, q);
+
+ return retval;
+}
+
+static int init_mqd_sdma(struct mqd_manager *mm, void **mqd,
+ struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr,
+ struct queue_properties *q)
+{
+ int retval;
+ struct cik_sdma_rlc_registers *m;
+
+ BUG_ON(!mm || !mqd || !mqd_mem_obj);
+
+ retval = kfd_gtt_sa_allocate(mm->dev,
+ sizeof(struct cik_sdma_rlc_registers),
+ mqd_mem_obj);
+
+ if (retval != 0)
+ return -ENOMEM;
+
+ m = (struct cik_sdma_rlc_registers *) (*mqd_mem_obj)->cpu_ptr;
+
+ memset(m, 0, sizeof(struct cik_sdma_rlc_registers));
+
+ *mqd = m;
+ if (gart_addr != NULL)
+ *gart_addr = (*mqd_mem_obj)->gpu_addr;
+
+ retval = mm->update_mqd(mm, m, q);
+
+ return retval;
+}
+
+static void uninit_mqd(struct mqd_manager *mm, void *mqd,
+ struct kfd_mem_obj *mqd_mem_obj)
+{
+ BUG_ON(!mm || !mqd);
+ kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
+}
+
+static void uninit_mqd_sdma(struct mqd_manager *mm, void *mqd,
+ struct kfd_mem_obj *mqd_mem_obj)
+{
+ BUG_ON(!mm || !mqd);
+ kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
+}
+
+static int load_mqd(struct mqd_manager *mm, void *mqd, uint32_t pipe_id,
+ uint32_t queue_id, uint32_t __user *wptr)
+{
+ return kfd2kgd->hqd_load(mm->dev->kgd, mqd, pipe_id, queue_id, wptr);
+}
+
+static int load_mqd_sdma(struct mqd_manager *mm, void *mqd,
+ uint32_t pipe_id, uint32_t queue_id,
+ uint32_t __user *wptr)
+{
+ return kfd2kgd->hqd_sdma_load(mm->dev->kgd, mqd);
+}
+
+static int update_mqd(struct mqd_manager *mm, void *mqd,
+ struct queue_properties *q)
+{
+ struct cik_mqd *m;
+
+ BUG_ON(!mm || !q || !mqd);
+
+ pr_debug("kfd: In func %s\n", __func__);
+
+ m = get_mqd(mqd);
+ m->cp_hqd_pq_control = DEFAULT_RPTR_BLOCK_SIZE |
+ DEFAULT_MIN_AVAIL_SIZE | PQ_ATC_EN;
+
+ /*
+ * Calculating queue size which is log base 2 of actual queue size -1
+ * dwords and another -1 for ffs
+ */
+ m->cp_hqd_pq_control |= ffs(q->queue_size / sizeof(unsigned int))
+ - 1 - 1;
+ 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_doorbell_control = DOORBELL_EN |
+ DOORBELL_OFFSET(q->doorbell_off);
+
+ m->cp_hqd_vmid = q->vmid;
+
+ if (q->format == KFD_QUEUE_FORMAT_AQL) {
+ m->cp_hqd_iq_rptr = AQL_ENABLE;
+ m->cp_hqd_pq_control |= NO_UPDATE_RPTR;
+ }
+
+ m->cp_hqd_active = 0;
+ q->is_active = false;
+ if (q->queue_size > 0 &&
+ q->queue_address != 0 &&
+ q->queue_percent > 0) {
+ m->cp_hqd_active = 1;
+ q->is_active = true;
+ }
+
+ return 0;
+}
+
+static int update_mqd_sdma(struct mqd_manager *mm, void *mqd,
+ struct queue_properties *q)
+{
+ struct cik_sdma_rlc_registers *m;
+
+ BUG_ON(!mm || !mqd || !q);
+
+ m = get_sdma_mqd(mqd);
+ m->sdma_rlc_rb_cntl =
+ SDMA_RB_SIZE((ffs(q->queue_size / sizeof(unsigned int)))) |
+ SDMA_RB_VMID(q->vmid) |
+ SDMA_RPTR_WRITEBACK_ENABLE |
+ SDMA_RPTR_WRITEBACK_TIMER(6);
+
+ m->sdma_rlc_rb_base = lower_32_bits(q->queue_address >> 8);
+ m->sdma_rlc_rb_base_hi = upper_32_bits(q->queue_address >> 8);
+ m->sdma_rlc_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr);
+ m->sdma_rlc_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr);
+ m->sdma_rlc_doorbell = SDMA_OFFSET(q->doorbell_off) | SDMA_DB_ENABLE;
+ m->sdma_rlc_virtual_addr = q->sdma_vm_addr;
+
+ m->sdma_engine_id = q->sdma_engine_id;
+ m->sdma_queue_id = q->sdma_queue_id;
+
+ q->is_active = false;
+ if (q->queue_size > 0 &&
+ q->queue_address != 0 &&
+ q->queue_percent > 0) {
+ m->sdma_rlc_rb_cntl |= SDMA_RB_ENABLE;
+ q->is_active = true;
+ }
+
+ return 0;
+}
+
+static int destroy_mqd(struct mqd_manager *mm, void *mqd,
+ enum kfd_preempt_type type,
+ unsigned int timeout, uint32_t pipe_id,
+ uint32_t queue_id)
+{
+ return kfd2kgd->hqd_destroy(mm->dev->kgd, type, timeout,
+ pipe_id, queue_id);
+}
+
+/*
+ * preempt type here is ignored because there is only one way
+ * to preempt sdma queue
+ */
+static int destroy_mqd_sdma(struct mqd_manager *mm, void *mqd,
+ enum kfd_preempt_type type,
+ unsigned int timeout, uint32_t pipe_id,
+ uint32_t queue_id)
+{
+ return kfd2kgd->hqd_sdma_destroy(mm->dev->kgd, mqd, timeout);
+}
+
+static bool is_occupied(struct mqd_manager *mm, void *mqd,
+ uint64_t queue_address, uint32_t pipe_id,
+ uint32_t queue_id)
+{
+
++ return kfd2kgd->hqd_is_occupied(mm->dev->kgd, queue_address,
+ pipe_id, queue_id);
+
+}
+
+static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd,
+ uint64_t queue_address, uint32_t pipe_id,
+ uint32_t queue_id)
+{
+ return kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd);
+}
+
+/*
+ * HIQ MQD Implementation, concrete implementation for HIQ MQD implementation.
+ * The HIQ queue in Kaveri is using the same MQD structure as all the user mode
+ * queues but with different initial values.
+ */
+
+static int init_mqd_hiq(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 cik_mqd *m;
+ int retval;
+
+ BUG_ON(!mm || !q || !mqd || !mqd_mem_obj);
+
+ pr_debug("kfd: In func %s\n", __func__);
+
+ retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct cik_mqd),
+ mqd_mem_obj);
+
+ if (retval != 0)
+ return -ENOMEM;
+
+ m = (struct cik_mqd *) (*mqd_mem_obj)->cpu_ptr;
+ addr = (*mqd_mem_obj)->gpu_addr;
+
+ memset(m, 0, ALIGN(sizeof(struct cik_mqd), 256));
+
+ 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->cp_hqd_persistent_state = DEFAULT_CP_HQD_PERSISTENT_STATE |
+ PRELOAD_REQ;
+ m->cp_hqd_quantum = QUANTUM_EN | QUANTUM_SCALE_1MS |
+ QUANTUM_DURATION(10);
+
+ m->cp_mqd_control = MQD_CONTROL_PRIV_STATE_EN;
+ m->cp_mqd_base_addr_lo = lower_32_bits(addr);
+ m->cp_mqd_base_addr_hi = upper_32_bits(addr);
+
+ m->cp_hqd_ib_control = DEFAULT_MIN_IB_AVAIL_SIZE;
+
+ /*
+ * Pipe Priority
+ * Identifies the pipe relative priority when this queue is connected
+ * to the pipeline. The pipe priority is against the GFX pipe and HP3D.
+ * In KFD we are using a fixed pipe priority set to CS_MEDIUM.
+ * 0 = CS_LOW (typically below GFX)
+ * 1 = CS_MEDIUM (typically between HP3D and GFX
+ * 2 = CS_HIGH (typically above HP3D)
+ */
+ m->cp_hqd_pipe_priority = 1;
+ m->cp_hqd_queue_priority = 15;
+
+ *mqd = m;
+ if (gart_addr)
+ *gart_addr = addr;
+ retval = mm->update_mqd(mm, m, q);
+
+ return retval;
+}
+
+static int update_mqd_hiq(struct mqd_manager *mm, void *mqd,
+ struct queue_properties *q)
+{
+ struct cik_mqd *m;
+
+ BUG_ON(!mm || !q || !mqd);
+
+ pr_debug("kfd: In func %s\n", __func__);
+
+ m = get_mqd(mqd);
+ m->cp_hqd_pq_control = DEFAULT_RPTR_BLOCK_SIZE |
+ DEFAULT_MIN_AVAIL_SIZE |
+ PRIV_STATE |
+ KMD_QUEUE;
+
+ /*
+ * Calculating queue size which is log base 2 of actual queue
+ * size -1 dwords
+ */
+ m->cp_hqd_pq_control |= ffs(q->queue_size / sizeof(unsigned int))
+ - 1 - 1;
+ 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_doorbell_control = DOORBELL_EN |
+ DOORBELL_OFFSET(q->doorbell_off);
+
+ m->cp_hqd_vmid = q->vmid;
+
+ m->cp_hqd_active = 0;
+ q->is_active = false;
+ if (q->queue_size > 0 &&
+ q->queue_address != 0 &&
+ q->queue_percent > 0) {
+ m->cp_hqd_active = 1;
+ q->is_active = true;
+ }
+
+ return 0;
+}
+
+struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd)
+{
+ struct cik_sdma_rlc_registers *m;
+
+ BUG_ON(!mqd);
+
+ m = (struct cik_sdma_rlc_registers *)mqd;
+
+ return m;
+}
+
+struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type,
+ struct kfd_dev *dev)
+{
+ struct mqd_manager *mqd;
+
+ BUG_ON(!dev);
+ BUG_ON(type >= KFD_MQD_TYPE_MAX);
+
+ pr_debug("kfd: In func %s\n", __func__);
+
+ mqd = kzalloc(sizeof(struct mqd_manager), GFP_KERNEL);
+ if (!mqd)
+ return NULL;
+
+ mqd->dev = dev;
+
+ switch (type) {
+ case KFD_MQD_TYPE_CP:
+ case KFD_MQD_TYPE_COMPUTE:
+ mqd->init_mqd = init_mqd;
+ mqd->uninit_mqd = uninit_mqd;
+ mqd->load_mqd = load_mqd;
+ mqd->update_mqd = update_mqd;
+ mqd->destroy_mqd = destroy_mqd;
+ mqd->is_occupied = is_occupied;
+ break;
+ case KFD_MQD_TYPE_HIQ:
+ mqd->init_mqd = init_mqd_hiq;
+ mqd->uninit_mqd = uninit_mqd;
+ mqd->load_mqd = load_mqd;
+ mqd->update_mqd = update_mqd_hiq;
+ mqd->destroy_mqd = destroy_mqd;
+ mqd->is_occupied = is_occupied;
+ break;
+ case KFD_MQD_TYPE_SDMA:
+ mqd->init_mqd = init_mqd_sdma;
+ mqd->uninit_mqd = uninit_mqd_sdma;
+ mqd->load_mqd = load_mqd_sdma;
+ mqd->update_mqd = update_mqd_sdma;
+ mqd->destroy_mqd = destroy_mqd_sdma;
+ mqd->is_occupied = is_occupied_sdma;
+ break;
+ default:
+ kfree(mqd);
+ return NULL;
+ }
+
+ return mqd;
+}
+
projects / firefly-linux-kernel-4.4.55.git / commitdiff