On Wed, Apr 11, 2018 at 12:33 AM, Felix Kuehling <Felix.Kuehling at amd.com> wrote: > Signed-off-by: John Bridgman <john.bridgman at amd.com> > Signed-off-by: Jay Cornwall <Jay.Cornwall at amd.com> > Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com> > --- > drivers/gpu/drm/amd/amdkfd/Makefile | 1 + > drivers/gpu/drm/amd/amdkfd/kfd_device.c | 2 +- > drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c | 3 + > drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 443 ++++++++++++++++++++++++ > drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 3 + > 5 files changed, 451 insertions(+), 1 deletion(-) > create mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c > > diff --git a/drivers/gpu/drm/amd/amdkfd/Makefile b/drivers/gpu/drm/amd/amdkfd/Makefile > index 52b3c1b..094b591 100644 > --- a/drivers/gpu/drm/amd/amdkfd/Makefile > +++ b/drivers/gpu/drm/amd/amdkfd/Makefile > @@ -30,6 +30,7 @@ amdkfd-y := kfd_module.o kfd_device.o kfd_chardev.o kfd_topology.o \ > kfd_pasid.o kfd_doorbell.o kfd_flat_memory.o \ > kfd_process.o kfd_queue.o kfd_mqd_manager.o \ > kfd_mqd_manager_cik.o kfd_mqd_manager_vi.o \ > + kfd_mqd_manager_v9.o \ > kfd_kernel_queue.o kfd_kernel_queue_cik.o \ > kfd_kernel_queue_vi.o kfd_kernel_queue_v9.o \ > kfd_packet_manager.o kfd_process_queue_manager.o \ > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c > index f563acb..c368ce3 100644 > --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c > @@ -700,7 +700,7 @@ int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, > if (size > kfd->gtt_sa_num_of_chunks * kfd->gtt_sa_chunk_size) > return -ENOMEM; > > - *mem_obj = kmalloc(sizeof(struct kfd_mem_obj), GFP_NOIO); > + *mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_NOIO); This assumes the patch in the userptr patch-set is applied. I changed it to GFP_KERNEL for now. > if ((*mem_obj) == NULL) > return -ENOMEM; > > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c > index ee7061e..4b8eb50 100644 > --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c > @@ -38,6 +38,9 @@ struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, > case CHIP_POLARIS10: > case CHIP_POLARIS11: > return mqd_manager_init_vi_tonga(type, dev); > + case CHIP_VEGA10: > + case CHIP_RAVEN: > + return mqd_manager_init_v9(type, dev); > default: > WARN(1, "Unexpected ASIC family %u", > dev->device_info->asic_family); > 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 0000000..684054f > --- /dev/null > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c > @@ -0,0 +1,443 @@ > +/* > + * Copyright 2016-2018 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" > + > +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 int init_mqd(struct mqd_manager *mm, void **mqd, > + struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, > + struct queue_properties *q) > +{ > + int retval; > + uint64_t addr; > + struct v9_mqd *m; > + struct kfd_dev *kfd = mm->dev; > + > + /* From V9, for CWSR, the control stack is located on the next page > + * boundary after the mqd, we will use the gtt allocation function > + * instead of sub-allocation function. > + */ > + if (kfd->cwsr_enabled && (q->type == KFD_QUEUE_TYPE_COMPUTE)) { > + *mqd_mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_NOIO); Using GFP_NOIO directly is not recommended. Can we use the scope functions instead ? > + if (!*mqd_mem_obj) > + return -ENOMEM; > + retval = kfd->kfd2kgd->init_gtt_mem_allocation(kfd->kgd, > + ALIGN(q->ctl_stack_size, PAGE_SIZE) + > + ALIGN(sizeof(struct v9_mqd), PAGE_SIZE), > + &((*mqd_mem_obj)->gtt_mem), > + &((*mqd_mem_obj)->gpu_addr), > + (void *)&((*mqd_mem_obj)->cpu_ptr)); > + } else > + retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct v9_mqd), > + mqd_mem_obj); > + if (retval != 0) > + return -ENOMEM; > + > + 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->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 | > + 10 << CP_HQD_QUANTUM__QUANTUM_DURATION__SHIFT; > + > + m->cp_hqd_pipe_priority = 1; > + m->cp_hqd_queue_priority = 15; > + > + 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->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; > + retval = mm->update_mqd(mm, m, q); > + > + return retval; > +} > + > +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->kgd, mqd, pipe_id, queue_id, > + (uint32_t __user *)p->write_ptr, > + wptr_shift, 0, mms); > +} > + > +static int update_mqd(struct mqd_manager *mm, void *mqd, > + struct queue_properties *q) > +{ > + 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. > + */ > + m->cp_hqd_eop_control = min(0xA, > + order_base_2(q->eop_ring_buffer_size / 4) - 1); > + 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->cwsr_enabled && q->ctx_save_restore_area_address) > + m->cp_hqd_ctx_save_control = 0; > + > + q->is_active = (q->queue_size > 0 && > + q->queue_address != 0 && > + q->queue_percent > 0 && > + !q->is_evicted); > + > + 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 mm->dev->kfd2kgd->hqd_destroy > + (mm->dev->kgd, mqd, type, timeout, > + pipe_id, queue_id); > +} > + > +static void uninit_mqd(struct mqd_manager *mm, void *mqd, > + struct kfd_mem_obj *mqd_mem_obj) > +{ > + struct kfd_dev *kfd = mm->dev; > + > + if (mqd_mem_obj->gtt_mem) { > + kfd->kfd2kgd->free_gtt_mem(kfd->kgd, mqd_mem_obj->gtt_mem); > + kfree(mqd_mem_obj); > + } else { > + kfd_gtt_sa_free(mm->dev, mqd_mem_obj); > + } > +} > + > +static bool is_occupied(struct mqd_manager *mm, void *mqd, > + uint64_t queue_address, uint32_t pipe_id, > + uint32_t queue_id) > +{ > + return mm->dev->kfd2kgd->hqd_is_occupied( > + mm->dev->kgd, queue_address, > + pipe_id, queue_id); > +} > + > +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) > +{ > + struct v9_mqd *m; > + int retval = init_mqd(mm, mqd, mqd_mem_obj, gart_addr, q); > + > + if (retval != 0) > + return retval; > + > + 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; > + > + return retval; > +} > + > +static int update_mqd_hiq(struct mqd_manager *mm, void *mqd, > + struct queue_properties *q) > +{ > + struct v9_mqd *m; > + int retval = update_mqd(mm, mqd, q); > + > + if (retval != 0) > + return retval; > + > + /* TODO: what's the point? update_mqd already does this. */ > + m = get_mqd(mqd); > + m->cp_hqd_vmid = q->vmid; > + 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 v9_sdma_mqd *m; > + > + > + retval = kfd_gtt_sa_allocate(mm->dev, > + sizeof(struct v9_sdma_mqd), > + mqd_mem_obj); > + > + if (retval != 0) > + return -ENOMEM; > + > + 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; > + > + retval = mm->update_mqd(mm, m, q); > + > + return retval; > +} > + > +static void uninit_mqd_sdma(struct mqd_manager *mm, void *mqd, > + struct kfd_mem_obj *mqd_mem_obj) > +{ > + kfd_gtt_sa_free(mm->dev, mqd_mem_obj); > +} > + > +static int load_mqd_sdma(struct mqd_manager *mm, void *mqd, > + uint32_t pipe_id, uint32_t queue_id, > + struct queue_properties *p, struct mm_struct *mms) > +{ > + return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->kgd, mqd, > + (uint32_t __user *)p->write_ptr, > + mms); > +} > + > +#define SDMA_RLC_DUMMY_DEFAULT 0xf > + > +static int update_mqd_sdma(struct mqd_manager *mm, void *mqd, > + struct queue_properties *q) > +{ > + 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 = (q->queue_size > 0 && > + q->queue_address != 0 && > + q->queue_percent > 0 && > + !q->is_evicted); > + > + return 0; > +} > + > +/* > + * * 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 mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->kgd, mqd, timeout); > +} > + > +static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd, > + uint64_t queue_address, uint32_t pipe_id, > + uint32_t queue_id) > +{ > + return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd); > +} > + > +#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_dev *dev) > +{ > + struct mqd_manager *mqd; > + > + if (WARN_ON(type >= KFD_MQD_TYPE_MAX)) > + return NULL; > + > + mqd = kzalloc(sizeof(*mqd), GFP_NOIO); Using GFP_NOIO directly is not recommended. Can we use the scope functions instead ? > + 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; > +#if defined(CONFIG_DEBUG_FS) > + mqd->debugfs_show_mqd = debugfs_show_mqd; > +#endif > + 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; > +#if defined(CONFIG_DEBUG_FS) > + mqd->debugfs_show_mqd = debugfs_show_mqd; > +#endif > + 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; > +#if defined(CONFIG_DEBUG_FS) > + mqd->debugfs_show_mqd = debugfs_show_mqd_sdma; > +#endif > + break; > + default: > + kfree(mqd); > + return NULL; > + } > + > + return mqd; > +} > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h > index b68299a..fac2882 100644 > --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h > @@ -197,6 +197,7 @@ struct kfd_mem_obj { > uint32_t range_end; > uint64_t gpu_addr; > uint32_t *cpu_ptr; > + void *gtt_mem; > }; > > struct kfd_vmid_info { > @@ -822,6 +823,8 @@ struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, > struct kfd_dev *dev); > struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, > struct kfd_dev *dev); > +struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, > + struct kfd_dev *dev); > struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); > void device_queue_manager_uninit(struct device_queue_manager *dqm); > struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, > -- > 2.7.4 >