linux/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c

// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
 * Copyright 2014-2022 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/mm_types.h>

#include "kfd_priv.h"
#include "kfd_mqd_manager.h"
#include "cik_regs.h"
#include "cik_structs.h"
#include "oss/oss_2_4_sh_mask.h"

static inline struct cik_mqd *get_mqd(void *mqd)
{ … }

static inline struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd)
{ … }

static void update_cu_mask(struct mqd_manager *mm, void *mqd,
			struct mqd_update_info *minfo)
{ … }

static void set_priority(struct cik_mqd *m, struct queue_properties *q)
{ … }

static struct kfd_mem_obj *allocate_mqd(struct kfd_node *kfd,
					struct queue_properties *q)
{ … }

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)
{ … }

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)
{ … }

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)
{ … }

static void __update_mqd(struct mqd_manager *mm, void *mqd,
			struct queue_properties *q, struct mqd_update_info *minfo,
			unsigned int atc_bit)
{ … }

static bool check_preemption_failed(struct mqd_manager *mm, void *mqd)
{ … }

static void update_mqd(struct mqd_manager *mm, void *mqd,
		       struct queue_properties *q,
		       struct mqd_update_info *minfo)
{ … }

static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
			struct queue_properties *q,
			struct mqd_update_info *minfo)
{ … }

static void checkpoint_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst)
{ … }

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, const u32 ctl_stack_size)
{ … }

static void checkpoint_mqd_sdma(struct mqd_manager *mm,
				void *mqd,
				void *mqd_dst,
				void *ctl_stack_dst)
{ … }

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)
{ … }

/*
 * 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 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)
{ … }

static void update_mqd_hiq(struct mqd_manager *mm, void *mqd,
			struct queue_properties *q,
			struct mqd_update_info *minfo)
{ … }

#if defined(CONFIG_DEBUG_FS)

static int debugfs_show_mqd(struct seq_file *m, void *data)
{ … }

static int debugfs_show_mqd_sdma(struct seq_file *m, void *data)
{ … }

#endif

struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type,
		struct kfd_node *dev)
{ … }