Commit fd6a440e authored by Jonathan Kim's avatar Jonathan Kim Committed by Alex Deucher
Browse files

drm/amdkfd: add per-vmid-debug map_process_support



In order to support multi-process debugging, HWS PM4 packet
MAP_PROCESS requires an extension of 5 DWORDS to support targeting of
per-vmid SPI debug control registers as well as watch points per process.

Signed-off-by: default avatarJonathan Kim <jonathan.kim@amd.com>
Reviewed-by: default avatarFelix Kuehling <felix.kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 1d712be9
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+7 −2
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@
#include "kfd_priv.h"
#include "kfd_device_queue_manager.h"
#include "kfd_pm4_headers_vi.h"
#include "kfd_pm4_headers_aldebaran.h"
#include "cwsr_trap_handler.h"
#include "kfd_iommu.h"
#include "amdgpu_amdkfd.h"
@@ -714,7 +715,7 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
			 struct drm_device *ddev,
			 const struct kgd2kfd_shared_resources *gpu_resources)
{
	unsigned int size;
	unsigned int size, map_process_packet_size;

	kfd->ddev = ddev;
	kfd->mec_fw_version = amdgpu_amdkfd_get_fw_version(kfd->kgd,
@@ -749,7 +750,11 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
	 * calculate max size of runlist packet.
	 * There can be only 2 packets at once
	 */
	size += (KFD_MAX_NUM_OF_PROCESSES * sizeof(struct pm4_mes_map_process) +
	map_process_packet_size =
			kfd->device_info->asic_family == CHIP_ALDEBARAN ?
				sizeof(struct pm4_mes_map_process_aldebaran) :
					sizeof(struct pm4_mes_map_process);
	size += (KFD_MAX_NUM_OF_PROCESSES * map_process_packet_size +
		max_num_of_queues_per_device * sizeof(struct pm4_mes_map_queues)
		+ sizeof(struct pm4_mes_runlist)) * 2;

+3 −1
Original line number Diff line number Diff line
@@ -242,7 +242,6 @@ int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm)
	case CHIP_RAVEN:
	case CHIP_RENOIR:
	case CHIP_ARCTURUS:
	case CHIP_ALDEBARAN:
	case CHIP_NAVI10:
	case CHIP_NAVI12:
	case CHIP_NAVI14:
@@ -252,6 +251,9 @@ int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm)
	case CHIP_DIMGREY_CAVEFISH:
		pm->pmf = &kfd_v9_pm_funcs;
		break;
	case CHIP_ALDEBARAN:
		pm->pmf = &kfd_aldebaran_pm_funcs;
		break;
	default:
		WARN(1, "Unexpected ASIC family %u",
		     dqm->dev->device_info->asic_family);
+57 −1
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@
#include "kfd_kernel_queue.h"
#include "kfd_device_queue_manager.h"
#include "kfd_pm4_headers_ai.h"
#include "kfd_pm4_headers_aldebaran.h"
#include "kfd_pm4_opcodes.h"
#include "gc/gc_10_1_0_sh_mask.h"

@@ -35,7 +36,6 @@ static int pm_map_process_v9(struct packet_manager *pm,

	packet = (struct pm4_mes_map_process *)buffer;
	memset(buffer, 0, sizeof(struct pm4_mes_map_process));

	packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS,
					sizeof(struct pm4_mes_map_process));
	packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0;
@@ -73,6 +73,45 @@ static int pm_map_process_v9(struct packet_manager *pm,
	return 0;
}

static int pm_map_process_aldebaran(struct packet_manager *pm,
		uint32_t *buffer, struct qcm_process_device *qpd)
{
	struct pm4_mes_map_process_aldebaran *packet;
	uint64_t vm_page_table_base_addr = qpd->page_table_base;

	packet = (struct pm4_mes_map_process_aldebaran *)buffer;
	memset(buffer, 0, sizeof(struct pm4_mes_map_process_aldebaran));
	packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS,
			sizeof(struct pm4_mes_map_process_aldebaran));
	packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0;
	packet->bitfields2.process_quantum = 10;
	packet->bitfields2.pasid = qpd->pqm->process->pasid;
	packet->bitfields14.gds_size = qpd->gds_size & 0x3F;
	packet->bitfields14.gds_size_hi = (qpd->gds_size >> 6) & 0xF;
	packet->bitfields14.num_gws = (qpd->mapped_gws_queue) ? qpd->num_gws : 0;
	packet->bitfields14.num_oac = qpd->num_oac;
	packet->bitfields14.sdma_enable = 1;
	packet->bitfields14.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;
	if (qpd->tba_addr) {
		packet->sq_shader_tba_lo = lower_32_bits(qpd->tba_addr >> 8);
		packet->sq_shader_tma_lo = lower_32_bits(qpd->tma_addr >> 8);
		packet->sq_shader_tma_hi = upper_32_bits(qpd->tma_addr >> 8);
	}

	packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area);
	packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area);

	packet->vm_context_page_table_base_addr_lo32 =
			lower_32_bits(vm_page_table_base_addr);
	packet->vm_context_page_table_base_addr_hi32 =
			upper_32_bits(vm_page_table_base_addr);

	return 0;
}

static int pm_runlist_v9(struct packet_manager *pm, uint32_t *buffer,
			uint64_t ib, size_t ib_size_in_dwords, bool chain)
{
@@ -324,3 +363,20 @@ const struct packet_manager_funcs kfd_v9_pm_funcs = {
	.query_status_size	= sizeof(struct pm4_mes_query_status),
	.release_mem_size	= 0,
};

const struct packet_manager_funcs kfd_aldebaran_pm_funcs = {
	.map_process		= pm_map_process_aldebaran,
	.runlist		= pm_runlist_v9,
	.set_resources		= pm_set_resources_v9,
	.map_queues		= pm_map_queues_v9,
	.unmap_queues		= pm_unmap_queues_v9,
	.query_status		= pm_query_status_v9,
	.release_mem		= NULL,
	.map_process_size	= sizeof(struct pm4_mes_map_process_aldebaran),
	.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	= 0,
};
+93 −0
Original line number Diff line number Diff line
/*
 * Copyright 2020 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.
 *
 */

/*--------------------MES_MAP_PROCESS (PER DEBUG VMID)--------------------*/

#ifndef PM4_MES_MAP_PROCESS_PER_DEBUG_VMID_DEFINED
#define PM4_MES_MAP_PROCESS_PER_DEBUG_VMID_DEFINED

struct pm4_mes_map_process_aldebaran {
	union {
		union PM4_MES_TYPE_3_HEADER header;	/* header */
		uint32_t ordinal1;
	};

	union {
		struct {
			uint32_t pasid:16;	    /* 0 - 15  */
			uint32_t single_memops:1;   /* 16      */
			uint32_t reserved1:1;	    /* 17      */
			uint32_t debug_vmid:4;	    /* 18 - 21 */
			uint32_t new_debug:1;	    /* 22      */
			uint32_t tmz:1;		    /* 23      */
			uint32_t diq_enable:1;      /* 24      */
			uint32_t process_quantum:7; /* 25 - 31 */
		} bitfields2;
		uint32_t ordinal2;
	};

	uint32_t vm_context_page_table_base_addr_lo32;

	uint32_t vm_context_page_table_base_addr_hi32;

	uint32_t sh_mem_bases;

	uint32_t sh_mem_config;

	uint32_t sq_shader_tba_lo;

	uint32_t sq_shader_tba_hi;

	uint32_t sq_shader_tma_lo;

	uint32_t sq_shader_tma_hi;

	uint32_t reserved6;

	uint32_t gds_addr_lo;

	uint32_t gds_addr_hi;

	union {
		struct {
			uint32_t num_gws:7;
			uint32_t sdma_enable:1;
			uint32_t num_oac:4;
			uint32_t gds_size_hi:4;
			uint32_t gds_size:6;
			uint32_t num_queues:10;
		} bitfields14;
		uint32_t ordinal14;
	};

	uint32_t spi_gdbg_per_vmid_cntl;

	uint32_t tcp_watch_cntl[4];

	uint32_t completion_signal_lo;

	uint32_t completion_signal_hi;

};

#endif
+1 −0
Original line number Diff line number Diff line
@@ -1088,6 +1088,7 @@ struct packet_manager_funcs {

extern const struct packet_manager_funcs kfd_vi_pm_funcs;
extern const struct packet_manager_funcs kfd_v9_pm_funcs;
extern const struct packet_manager_funcs kfd_aldebaran_pm_funcs;

int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm);
void pm_uninit(struct packet_manager *pm, bool hanging);