Commit f6e27ff1 authored by Felix Kuehling's avatar Felix Kuehling Committed by Oded Gabbay
Browse files

drm/amdkfd: Move packet writer functions into ASIC-specific file 



This is in preparation for GFXv9 (Vega10) which uses incompatible PM4
packet formats from previous ASIC generations.

Signed-off-by: default avatarShaoyun Liu <Shaoyun.Liu@amd.com>
Signed-off-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
parent ef568db7

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

+7 −3
Original line number Diff line number Diff line
@@ -196,15 +196,19 @@ static int allocate_vmid(struct device_queue_manager *dqm, 
static int flush_texture_cache_nocpsch(struct kfd_dev *kdev,

				struct qcm_process_device *qpd)

{

	uint32_t len;

	const struct packet_manager_funcs *pmf = qpd->dqm->packets.pmf;

	int ret;



	if (!qpd->ib_kaddr)

		return -ENOMEM;



	len = pm_create_release_mem(qpd->ib_base, (uint32_t *)qpd->ib_kaddr);

	ret = pmf->release_mem(qpd->ib_base, (uint32_t *)qpd->ib_kaddr);

	if (ret)

		return ret;



	return kdev->kfd2kgd->submit_ib(kdev->kgd, KGD_ENGINE_MEC1, qpd->vmid,

				qpd->ib_base, (uint32_t *)qpd->ib_kaddr, len);

				qpd->ib_base, (uint32_t *)qpd->ib_kaddr,

				pmf->release_mem_size / sizeof(uint32_t));

}



static void deallocate_vmid(struct device_queue_manager *dqm,

drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c

+310 −0
Original line number Diff line number Diff line
@@ -22,6 +22,9 @@ 
 */



#include "kfd_kernel_queue.h"

#include "kfd_device_queue_manager.h"

#include "kfd_pm4_headers_vi.h"

#include "kfd_pm4_opcodes.h"



static bool initialize_vi(struct kernel_queue *kq, struct kfd_dev *dev,

			enum kfd_queue_type type, unsigned int queue_size);
@@ -54,3 +57,310 @@ static void uninitialize_vi(struct kernel_queue *kq) 
{

	kfd_gtt_sa_free(kq->dev, kq->eop_mem);

}



static unsigned int build_pm4_header(unsigned int opcode, size_t packet_size)

{

	union PM4_MES_TYPE_3_HEADER header;



	header.u32All = 0;

	header.opcode = opcode;

	header.count = packet_size / 4 - 2;

	header.type = PM4_TYPE_3;



	return header.u32All;

}



static int pm_map_process_vi(struct packet_manager *pm, uint32_t *buffer,

				struct qcm_process_device *qpd)

{

	struct pm4_mes_map_process *packet;



	packet = (struct pm4_mes_map_process *)buffer;



	memset(buffer, 0, sizeof(struct pm4_mes_map_process));



	packet->header.u32All = build_pm4_header(IT_MAP_PROCESS,

					sizeof(struct pm4_mes_map_process));

	packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0;

	packet->bitfields2.process_quantum = 1;

	packet->bitfields2.pasid = qpd->pqm->process->pasid;

	packet->bitfields3.page_table_base = qpd->page_table_base;

	packet->bitfields10.gds_size = qpd->gds_size;

	packet->bitfields10.num_gws = qpd->num_gws;

	packet->bitfields10.num_oac = qpd->num_oac;

	packet->bitfields10.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count;



	packet->sh_mem_config = qpd->sh_mem_config;

	packet->sh_mem_bases = qpd->sh_mem_bases;

	packet->sh_mem_ape1_base = qpd->sh_mem_ape1_base;

	packet->sh_mem_ape1_limit = qpd->sh_mem_ape1_limit;



	packet->sh_hidden_private_base_vmid = qpd->sh_hidden_private_base;



	packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area);

	packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area);



	return 0;

}



static int pm_runlist_vi(struct packet_manager *pm, uint32_t *buffer,

			uint64_t ib, size_t ib_size_in_dwords, bool chain)

{

	struct pm4_mes_runlist *packet;

	int concurrent_proc_cnt = 0;

	struct kfd_dev *kfd = pm->dqm->dev;



	if (WARN_ON(!ib))

		return -EFAULT;



	/* Determine the number of processes to map together to HW:

	 * it can not exceed the number of VMIDs available to the

	 * scheduler, and it is determined by the smaller of the number

	 * of processes in the runlist and kfd module parameter

	 * hws_max_conc_proc.

	 * Note: the arbitration between the number of VMIDs and

	 * hws_max_conc_proc has been done in

	 * kgd2kfd_device_init().

	 */

	concurrent_proc_cnt = min(pm->dqm->processes_count,

			kfd->max_proc_per_quantum);



	packet = (struct pm4_mes_runlist *)buffer;



	memset(buffer, 0, sizeof(struct pm4_mes_runlist));

	packet->header.u32All = build_pm4_header(IT_RUN_LIST,

						sizeof(struct pm4_mes_runlist));



	packet->bitfields4.ib_size = ib_size_in_dwords;

	packet->bitfields4.chain = chain ? 1 : 0;

	packet->bitfields4.offload_polling = 0;

	packet->bitfields4.valid = 1;

	packet->bitfields4.process_cnt = concurrent_proc_cnt;

	packet->ordinal2 = lower_32_bits(ib);

	packet->bitfields3.ib_base_hi = upper_32_bits(ib);



	return 0;

}



static int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer,

				struct scheduling_resources *res)

{

	struct pm4_mes_set_resources *packet;



	packet = (struct pm4_mes_set_resources *)buffer;

	memset(buffer, 0, sizeof(struct pm4_mes_set_resources));



	packet->header.u32All = build_pm4_header(IT_SET_RESOURCES,

					sizeof(struct pm4_mes_set_resources));



	packet->bitfields2.queue_type =

			queue_type__mes_set_resources__hsa_interface_queue_hiq;

	packet->bitfields2.vmid_mask = res->vmid_mask;

	packet->bitfields2.unmap_latency = KFD_UNMAP_LATENCY_MS / 100;

	packet->bitfields7.oac_mask = res->oac_mask;

	packet->bitfields8.gds_heap_base = res->gds_heap_base;

	packet->bitfields8.gds_heap_size = res->gds_heap_size;



	packet->gws_mask_lo = lower_32_bits(res->gws_mask);

	packet->gws_mask_hi = upper_32_bits(res->gws_mask);



	packet->queue_mask_lo = lower_32_bits(res->queue_mask);

	packet->queue_mask_hi = upper_32_bits(res->queue_mask);



	return 0;

}



static int pm_map_queues_vi(struct packet_manager *pm, uint32_t *buffer,

		struct queue *q, bool is_static)

{

	struct pm4_mes_map_queues *packet;

	bool use_static = is_static;



	packet = (struct pm4_mes_map_queues *)buffer;

	memset(buffer, 0, sizeof(struct pm4_mes_map_queues));



	packet->header.u32All = build_pm4_header(IT_MAP_QUEUES,

					sizeof(struct pm4_mes_map_queues));

	packet->bitfields2.alloc_format =

		alloc_format__mes_map_queues__one_per_pipe_vi;

	packet->bitfields2.num_queues = 1;

	packet->bitfields2.queue_sel =

		queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi;



	packet->bitfields2.engine_sel =

		engine_sel__mes_map_queues__compute_vi;

	packet->bitfields2.queue_type =

		queue_type__mes_map_queues__normal_compute_vi;



	switch (q->properties.type) {

	case KFD_QUEUE_TYPE_COMPUTE:

		if (use_static)

			packet->bitfields2.queue_type =

		queue_type__mes_map_queues__normal_latency_static_queue_vi;

		break;

	case KFD_QUEUE_TYPE_DIQ:

		packet->bitfields2.queue_type =

			queue_type__mes_map_queues__debug_interface_queue_vi;

		break;

	case KFD_QUEUE_TYPE_SDMA:

		packet->bitfields2.engine_sel = q->properties.sdma_engine_id +

				engine_sel__mes_map_queues__sdma0_vi;

		use_static = false; /* no static queues under SDMA */

		break;

	default:

		WARN(1, "queue type %d", q->properties.type);

		return -EINVAL;

	}

	packet->bitfields3.doorbell_offset =

			q->properties.doorbell_off;



	packet->mqd_addr_lo =

			lower_32_bits(q->gart_mqd_addr);



	packet->mqd_addr_hi =

			upper_32_bits(q->gart_mqd_addr);



	packet->wptr_addr_lo =

			lower_32_bits((uint64_t)q->properties.write_ptr);



	packet->wptr_addr_hi =

			upper_32_bits((uint64_t)q->properties.write_ptr);



	return 0;

}



static int pm_unmap_queues_vi(struct packet_manager *pm, uint32_t *buffer,

			enum kfd_queue_type type,

			enum kfd_unmap_queues_filter filter,

			uint32_t filter_param, bool reset,

			unsigned int sdma_engine)

{

	struct pm4_mes_unmap_queues *packet;



	packet = (struct pm4_mes_unmap_queues *)buffer;

	memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues));



	packet->header.u32All = build_pm4_header(IT_UNMAP_QUEUES,

					sizeof(struct pm4_mes_unmap_queues));

	switch (type) {

	case KFD_QUEUE_TYPE_COMPUTE:

	case KFD_QUEUE_TYPE_DIQ:

		packet->bitfields2.engine_sel =

			engine_sel__mes_unmap_queues__compute;

		break;

	case KFD_QUEUE_TYPE_SDMA:

		packet->bitfields2.engine_sel =

			engine_sel__mes_unmap_queues__sdma0 + sdma_engine;

		break;

	default:

		WARN(1, "queue type %d", type);

		return -EINVAL;

	}



	if (reset)

		packet->bitfields2.action =

			action__mes_unmap_queues__reset_queues;

	else

		packet->bitfields2.action =

			action__mes_unmap_queues__preempt_queues;



	switch (filter) {

	case KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE:

		packet->bitfields2.queue_sel =

			queue_sel__mes_unmap_queues__perform_request_on_specified_queues;

		packet->bitfields2.num_queues = 1;

		packet->bitfields3b.doorbell_offset0 = filter_param;

		break;

	case KFD_UNMAP_QUEUES_FILTER_BY_PASID:

		packet->bitfields2.queue_sel =

			queue_sel__mes_unmap_queues__perform_request_on_pasid_queues;

		packet->bitfields3a.pasid = filter_param;

		break;

	case KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES:

		packet->bitfields2.queue_sel =

			queue_sel__mes_unmap_queues__unmap_all_queues;

		break;

	case KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES:

		/* in this case, we do not preempt static queues */

		packet->bitfields2.queue_sel =

			queue_sel__mes_unmap_queues__unmap_all_non_static_queues;

		break;

	default:

		WARN(1, "filter %d", filter);

		return -EINVAL;

	}



	return 0;



}



static int pm_query_status_vi(struct packet_manager *pm, uint32_t *buffer,

			uint64_t fence_address,	uint32_t fence_value)

{

	struct pm4_mes_query_status *packet;



	packet = (struct pm4_mes_query_status *)buffer;

	memset(buffer, 0, sizeof(struct pm4_mes_query_status));



	packet->header.u32All = build_pm4_header(IT_QUERY_STATUS,

					sizeof(struct pm4_mes_query_status));



	packet->bitfields2.context_id = 0;

	packet->bitfields2.interrupt_sel =

			interrupt_sel__mes_query_status__completion_status;

	packet->bitfields2.command =

			command__mes_query_status__fence_only_after_write_ack;



	packet->addr_hi = upper_32_bits((uint64_t)fence_address);

	packet->addr_lo = lower_32_bits((uint64_t)fence_address);

	packet->data_hi = upper_32_bits((uint64_t)fence_value);

	packet->data_lo = lower_32_bits((uint64_t)fence_value);



	return 0;

}



static int pm_release_mem_vi(uint64_t gpu_addr, uint32_t *buffer)

{

	struct pm4_mec_release_mem *packet;



	packet = (struct pm4_mec_release_mem *)buffer;

	memset(buffer, 0, sizeof(*packet));



	packet->header.u32All = build_pm4_header(IT_RELEASE_MEM,

						 sizeof(*packet));



	packet->bitfields2.event_type = CACHE_FLUSH_AND_INV_TS_EVENT;

	packet->bitfields2.event_index = event_index___release_mem__end_of_pipe;

	packet->bitfields2.tcl1_action_ena = 1;

	packet->bitfields2.tc_action_ena = 1;

	packet->bitfields2.cache_policy = cache_policy___release_mem__lru;

	packet->bitfields2.atc = 0;



	packet->bitfields3.data_sel = data_sel___release_mem__send_32_bit_low;

	packet->bitfields3.int_sel =

		int_sel___release_mem__send_interrupt_after_write_confirm;



	packet->bitfields4.address_lo_32b = (gpu_addr & 0xffffffff) >> 2;

	packet->address_hi = upper_32_bits(gpu_addr);



	packet->data_lo = 0;



	return 0;

}



const struct packet_manager_funcs kfd_vi_pm_funcs = {

	.map_process		= pm_map_process_vi,

	.runlist		= pm_runlist_vi,

	.set_resources		= pm_set_resources_vi,

	.map_queues		= pm_map_queues_vi,

	.unmap_queues		= pm_unmap_queues_vi,

	.query_status		= pm_query_status_vi,

	.release_mem		= pm_release_mem_vi,

	.map_process_size	= sizeof(struct pm4_mes_map_process),

	.runlist_size		= sizeof(struct pm4_mes_runlist),

	.set_resources_size	= sizeof(struct pm4_mes_set_resources),

	.map_queues_size	= sizeof(struct pm4_mes_map_queues),

	.unmap_queues_size	= sizeof(struct pm4_mes_unmap_queues),

	.query_status_size	= sizeof(struct pm4_mes_query_status),

	.release_mem_size	= sizeof(struct pm4_mec_release_mem)

};

drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c

+70 −311

File changed.

Preview size limit exceeded, changes collapsed.

drivers/gpu/drm/amd/amdkfd/kfd_priv.h

+33 −2
Original line number Diff line number Diff line
@@ -866,8 +866,41 @@ struct packet_manager { 
	bool allocated;

	struct kfd_mem_obj *ib_buffer_obj;

	unsigned int ib_size_bytes;



	const struct packet_manager_funcs *pmf;

};



struct packet_manager_funcs {

	/* Support ASIC-specific packet formats for PM4 packets */

	int (*map_process)(struct packet_manager *pm, uint32_t *buffer,

			struct qcm_process_device *qpd);

	int (*runlist)(struct packet_manager *pm, uint32_t *buffer,

			uint64_t ib, size_t ib_size_in_dwords, bool chain);

	int (*set_resources)(struct packet_manager *pm, uint32_t *buffer,

			struct scheduling_resources *res);

	int (*map_queues)(struct packet_manager *pm, uint32_t *buffer,

			struct queue *q, bool is_static);

	int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer,

			enum kfd_queue_type type,

			enum kfd_unmap_queues_filter mode,

			uint32_t filter_param, bool reset,

			unsigned int sdma_engine);

	int (*query_status)(struct packet_manager *pm, uint32_t *buffer,

			uint64_t fence_address,	uint32_t fence_value);

	int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer);



	/* Packet sizes */

	int map_process_size;

	int runlist_size;

	int set_resources_size;

	int map_queues_size;

	int unmap_queues_size;

	int query_status_size;

	int release_mem_size;

};



extern const struct packet_manager_funcs kfd_vi_pm_funcs;



int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm);

void pm_uninit(struct packet_manager *pm);

int pm_send_set_resources(struct packet_manager *pm,
@@ -883,8 +916,6 @@ int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 


void pm_release_ib(struct packet_manager *pm);



uint32_t pm_create_release_mem(uint64_t gpu_addr, uint32_t *buffer);



uint64_t kfd_get_number_elems(struct kfd_dev *kfd);



/* Events */