1 files changed, 177 insertions, 161 deletions

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
index 6469b3456f00..c1fafc502515 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
 /*
- * Copyright 2014 Advanced Micro Devices, Inc.
+ * 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"),
@@ -31,6 +32,7 @@
 #include "gca/gfx_8_0_sh_mask.h"
 #include "gca/gfx_8_0_enum.h"
 #include "oss/oss_3_0_sh_mask.h"
+
 #define CP_MQD_CONTROL__PRIV_STATE__SHIFT 0x8
 
 static inline struct vi_mqd *get_mqd(void *mqd)
@@ -44,16 +46,16 @@ static inline struct vi_sdma_mqd *get_sdma_mqd(void *mqd)
 }
 
 static void update_cu_mask(struct mqd_manager *mm, void *mqd,
-			struct queue_properties *q)
+			struct mqd_update_info *minfo)
 {
 	struct vi_mqd *m;
 	uint32_t se_mask[4] = {0}; /* 4 is the max # of SEs */
 
-	if (q->cu_mask_count == 0)
+	if (!minfo || !minfo->cu_mask.ptr)
 		return;
 
 	mqd_symmetrically_map_cu_mask(mm,
-		q->cu_mask, q->cu_mask_count, se_mask);
+		minfo->cu_mask.ptr, minfo->cu_mask.count, se_mask, 0);
 
 	m = get_mqd(mqd);
 	m->compute_static_thread_mgmt_se0 = se_mask[0];
@@ -68,21 +70,33 @@ static void update_cu_mask(struct mqd_manager *mm, void *mqd,
 		m->compute_static_thread_mgmt_se3);
 }
 
-static int init_mqd(struct mqd_manager *mm, void **mqd,
-			struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr,
+static void set_priority(struct vi_mqd *m, struct queue_properties *q)
+{
+	m->cp_hqd_pipe_priority = pipe_priority_map[q->priority];
+	m->cp_hqd_queue_priority = q->priority;
+}
+
+static struct kfd_mem_obj *allocate_mqd(struct kfd_node *kfd,
+					struct queue_properties *q)
+{
+	struct kfd_mem_obj *mqd_mem_obj;
+
+	if (kfd_gtt_sa_allocate(kfd, sizeof(struct vi_mqd),
+			&mqd_mem_obj))
+		return NULL;
+
+	return mqd_mem_obj;
+}
+
+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)
 {
-	int retval;
 	uint64_t addr;
 	struct vi_mqd *m;
 
-	retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct vi_mqd),
-			mqd_mem_obj);
-	if (retval != 0)
-		return -ENOMEM;
-
-	m = (struct vi_mqd *) (*mqd_mem_obj)->cpu_ptr;
-	addr = (*mqd_mem_obj)->gpu_addr;
+	m = (struct vi_mqd *) mqd_mem_obj->cpu_ptr;
+	addr = mqd_mem_obj->gpu_addr;
 
 	memset(m, 0, sizeof(struct vi_mqd));
 
@@ -104,11 +118,9 @@ static int init_mqd(struct mqd_manager *mm, void **mqd,
 
 	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;
+			1 << CP_HQD_QUANTUM__QUANTUM_DURATION__SHIFT;
 
+	set_priority(m, q);
 	m->cp_hqd_eop_rptr = 1 << CP_HQD_EOP_RPTR__INIT_FETCHER__SHIFT;
 
 	if (q->format == KFD_QUEUE_FORMAT_AQL)
@@ -123,7 +135,7 @@ static int init_mqd(struct mqd_manager *mm, void **mqd,
 			(1 << COMPUTE_PGM_RSRC2__TRAP_PRESENT__SHIFT);
 	}
 
-	if (mm->dev->cwsr_enabled && q->ctx_save_restore_area_address) {
+	if (mm->dev->kfd->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 =
@@ -139,9 +151,7 @@ static int init_mqd(struct mqd_manager *mm, void **mqd,
 	*mqd = m;
 	if (gart_addr)
 		*gart_addr = addr;
-	retval = mm->update_mqd(mm, m, q);
-
-	return retval;
+	mm->update_mqd(mm, m, q, NULL);
 }
 
 static int load_mqd(struct mqd_manager *mm, void *mqd,
@@ -152,14 +162,14 @@ static int load_mqd(struct mqd_manager *mm, void *mqd,
 	uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0);
 	uint32_t wptr_mask = (uint32_t)((p->queue_size / 4) - 1);
 
-	return mm->dev->kfd2kgd->hqd_load(mm->dev->kgd, mqd, pipe_id, queue_id,
+	return mm->dev->kfd2kgd->hqd_load(mm->dev->adev, mqd, pipe_id, queue_id,
 					  (uint32_t __user *)p->write_ptr,
-					  wptr_shift, wptr_mask, mms);
+					  wptr_shift, wptr_mask, mms, 0);
 }
 
-static int __update_mqd(struct mqd_manager *mm, void *mqd,
-			struct queue_properties *q, unsigned int mtype,
-			unsigned int atc_bit)
+static void __update_mqd(struct mqd_manager *mm, void *mqd,
+			struct queue_properties *q, struct mqd_update_info *minfo,
+			unsigned int mtype, unsigned int atc_bit)
 {
 	struct vi_mqd *m;
 
@@ -216,60 +226,33 @@ static int __update_mqd(struct mqd_manager *mm, void *mqd,
 				2 << CP_HQD_PQ_CONTROL__SLOT_BASED_WPTR__SHIFT;
 	}
 
-	if (mm->dev->cwsr_enabled && q->ctx_save_restore_area_address)
+	if (mm->dev->kfd->cwsr_enabled && q->ctx_save_restore_area_address)
 		m->cp_hqd_ctx_save_control =
 			atc_bit << CP_HQD_CTX_SAVE_CONTROL__ATC__SHIFT |
 			mtype << CP_HQD_CTX_SAVE_CONTROL__MTYPE__SHIFT;
 
-	update_cu_mask(mm, mqd, q);
+	update_cu_mask(mm, mqd, minfo);
+	set_priority(m, q);
 
-	q->is_active = (q->queue_size > 0 &&
-			q->queue_address != 0 &&
-			q->queue_percent > 0 &&
-			!q->is_evicted);
-
-	return 0;
+	q->is_active = QUEUE_IS_ACTIVE(*q);
 }
 
-
-static int update_mqd(struct mqd_manager *mm, void *mqd,
-			struct queue_properties *q)
+static bool check_preemption_failed(struct mqd_manager *mm, void *mqd)
 {
-	return __update_mqd(mm, mqd, q, MTYPE_CC, 1);
-}
+	struct vi_mqd *m = (struct vi_mqd *)mqd;
 
-static int update_mqd_tonga(struct mqd_manager *mm, void *mqd,
-			struct queue_properties *q)
-{
-	return __update_mqd(mm, mqd, q, MTYPE_UC, 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)
-{
-	kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
+	return kfd_check_hiq_mqd_doorbell_id(mm->dev, m->queue_doorbell_id0, 0);
 }
 
-static bool is_occupied(struct mqd_manager *mm, void *mqd,
-			uint64_t queue_address,	uint32_t pipe_id,
-			uint32_t queue_id)
+static void update_mqd(struct mqd_manager *mm, void *mqd,
+		       struct queue_properties *q,
+		       struct mqd_update_info *minfo)
 {
-	return mm->dev->kfd2kgd->hqd_is_occupied(
-		mm->dev->kgd, queue_address,
-		pipe_id, queue_id);
+	__update_mqd(mm, mqd, q, minfo, MTYPE_UC, 0);
 }
 
 static int get_wave_state(struct mqd_manager *mm, void *mqd,
+			  struct queue_properties *q,
 			  void __user *ctl_stack,
 			  u32 *ctl_stack_used_size,
 			  u32 *save_area_used_size)
@@ -291,83 +274,89 @@ static int get_wave_state(struct mqd_manager *mm, void *mqd,
 	return 0;
 }
 
-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)
+static void get_checkpoint_info(struct mqd_manager *mm, void *mqd, u32 *ctl_stack_size)
 {
-	struct vi_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;
+	/* Control stack is stored in user mode */
+	*ctl_stack_size = 0;
 }
 
-static int update_mqd_hiq(struct mqd_manager *mm, void *mqd,
-			struct queue_properties *q)
+static void checkpoint_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst)
 {
 	struct vi_mqd *m;
-	int retval = __update_mqd(mm, mqd, q, MTYPE_UC, 0);
-
-	if (retval != 0)
-		return retval;
 
 	m = get_mqd(mqd);
-	m->cp_hqd_vmid = q->vmid;
-	return retval;
+
+	memcpy(mqd_dst, m, sizeof(struct vi_mqd));
 }
 
-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)
+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)
 {
-	int retval;
-	struct vi_sdma_mqd *m;
+	uint64_t addr;
+	struct vi_mqd *m;
 
+	m = (struct vi_mqd *) mqd_mem_obj->cpu_ptr;
+	addr = mqd_mem_obj->gpu_addr;
 
-	retval = kfd_gtt_sa_allocate(mm->dev,
-			sizeof(struct vi_sdma_mqd),
-			mqd_mem_obj);
+	memcpy(m, mqd_src, sizeof(*m));
 
-	if (retval != 0)
-		return -ENOMEM;
+	*mqd = m;
+	if (gart_addr)
+		*gart_addr = addr;
 
-	m = (struct vi_sdma_mqd *) (*mqd_mem_obj)->cpu_ptr;
+	m->cp_hqd_pq_doorbell_control =
+		qp->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);
 
-	memset(m, 0, sizeof(struct vi_sdma_mqd));
+	qp->is_active = 0;
+}
 
-	*mqd = m;
-	if (gart_addr != NULL)
-		*gart_addr = (*mqd_mem_obj)->gpu_addr;
+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)
+{
+	struct vi_mqd *m;
 
-	retval = mm->update_mqd(mm, m, q);
+	init_mqd(mm, mqd, mqd_mem_obj, gart_addr, q);
 
-	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;
 }
 
-static void uninit_mqd_sdma(struct mqd_manager *mm, void *mqd,
-		struct kfd_mem_obj *mqd_mem_obj)
+static void update_mqd_hiq(struct mqd_manager *mm, void *mqd,
+			struct queue_properties *q,
+			struct mqd_update_info *minfo)
 {
-	kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
+	__update_mqd(mm, mqd, q, minfo, MTYPE_UC, 0);
 }
 
-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)
+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)
 {
-	return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->kgd, mqd,
-					       (uint32_t __user *)p->write_ptr,
-					       mms);
+	struct vi_sdma_mqd *m;
+
+	m = (struct vi_sdma_mqd *) mqd_mem_obj->cpu_ptr;
+
+	memset(m, 0, sizeof(struct vi_sdma_mqd));
+
+	*mqd = m;
+	if (gart_addr)
+		*gart_addr = mqd_mem_obj->gpu_addr;
+
+	mm->update_mqd(mm, m, q, NULL);
 }
 
-static int update_mqd_sdma(struct mqd_manager *mm, void *mqd,
-		struct queue_properties *q)
+static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
+			struct queue_properties *q,
+			struct mqd_update_info *minfo)
 {
 	struct vi_sdma_mqd *m;
 
@@ -390,35 +379,48 @@ static int update_mqd_sdma(struct mqd_manager *mm, void *mqd,
 	m->sdma_engine_id = q->sdma_engine_id;
 	m->sdma_queue_id = q->sdma_queue_id;
 
-	q->is_active = (q->queue_size > 0 &&
-			q->queue_address != 0 &&
-			q->queue_percent > 0 &&
-			!q->is_evicted);
-
-	return 0;
+	q->is_active = QUEUE_IS_ACTIVE(*q);
 }
 
-/*
- *  * 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)
+static void checkpoint_mqd_sdma(struct mqd_manager *mm,
+				void *mqd,
+				void *mqd_dst,
+				void *ctl_stack_dst)
 {
-	return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->kgd, mqd, timeout);
+	struct vi_sdma_mqd *m;
+
+	m = get_sdma_mqd(mqd);
+
+	memcpy(mqd_dst, m, sizeof(struct vi_sdma_mqd));
 }
 
-static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd,
-		uint64_t queue_address, uint32_t pipe_id,
-		uint32_t queue_id)
+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)
 {
-	return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd);
+	uint64_t addr;
+	struct vi_sdma_mqd *m;
+
+	m = (struct vi_sdma_mqd *) mqd_mem_obj->cpu_ptr;
+	addr = mqd_mem_obj->gpu_addr;
+
+	memcpy(m, mqd_src, sizeof(*m));
+
+	m->sdmax_rlcx_doorbell =
+		qp->doorbell_off << SDMA0_RLC0_DOORBELL__OFFSET__SHIFT;
+
+	*mqd = m;
+	if (gart_addr)
+		*gart_addr = addr;
+
+	qp->is_active = 0;
 }
 
 #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,
@@ -436,7 +438,7 @@ static int debugfs_show_mqd_sdma(struct seq_file *m, void *data)
 #endif
 
 struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type,
-		struct kfd_dev *dev)
+		struct kfd_node *dev)
 {
 	struct mqd_manager *mqd;
 
@@ -451,36 +453,63 @@ struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type,
 
 	switch (type) {
 	case KFD_MQD_TYPE_CP:
-	case KFD_MQD_TYPE_COMPUTE:
+		mqd->allocate_mqd = allocate_mqd;
 		mqd->init_mqd = init_mqd;
-		mqd->uninit_mqd = uninit_mqd;
+		mqd->free_mqd = kfd_free_mqd_cp;
 		mqd->load_mqd = load_mqd;
 		mqd->update_mqd = update_mqd;
-		mqd->destroy_mqd = destroy_mqd;
-		mqd->is_occupied = is_occupied;
+		mqd->destroy_mqd = kfd_destroy_mqd_cp;
+		mqd->is_occupied = kfd_is_occupied_cp;
 		mqd->get_wave_state = get_wave_state;
+		mqd->get_checkpoint_info = get_checkpoint_info;
+		mqd->checkpoint_mqd = checkpoint_mqd;
+		mqd->restore_mqd = restore_mqd;
+		mqd->mqd_size = sizeof(struct vi_mqd);
 #if defined(CONFIG_DEBUG_FS)
 		mqd->debugfs_show_mqd = debugfs_show_mqd;
 #endif
 		break;
 	case KFD_MQD_TYPE_HIQ:
+		mqd->allocate_mqd = allocate_hiq_mqd;
+		mqd->init_mqd = init_mqd_hiq;
+		mqd->free_mqd = free_mqd_hiq_sdma;
+		mqd->load_mqd = load_mqd;
+		mqd->update_mqd = update_mqd_hiq;
+		mqd->destroy_mqd = kfd_destroy_mqd_cp;
+		mqd->is_occupied = kfd_is_occupied_cp;
+		mqd->mqd_size = sizeof(struct vi_mqd);
+		mqd->mqd_stride = kfd_mqd_stride;
+#if defined(CONFIG_DEBUG_FS)
+		mqd->debugfs_show_mqd = debugfs_show_mqd;
+#endif
+		mqd->check_preemption_failed = check_preemption_failed;
+		break;
+	case KFD_MQD_TYPE_DIQ:
+		mqd->allocate_mqd = allocate_mqd;
 		mqd->init_mqd = init_mqd_hiq;
-		mqd->uninit_mqd = uninit_mqd;
+		mqd->free_mqd = kfd_free_mqd_cp;
 		mqd->load_mqd = load_mqd;
 		mqd->update_mqd = update_mqd_hiq;
-		mqd->destroy_mqd = destroy_mqd;
-		mqd->is_occupied = is_occupied;
+		mqd->destroy_mqd = kfd_destroy_mqd_cp;
+		mqd->is_occupied = kfd_is_occupied_cp;
+		mqd->mqd_size = sizeof(struct vi_mqd);
+		mqd->mqd_stride = kfd_mqd_stride;
 #if defined(CONFIG_DEBUG_FS)
 		mqd->debugfs_show_mqd = debugfs_show_mqd;
 #endif
 		break;
 	case KFD_MQD_TYPE_SDMA:
+		mqd->allocate_mqd = allocate_sdma_mqd;
 		mqd->init_mqd = init_mqd_sdma;
-		mqd->uninit_mqd = uninit_mqd_sdma;
-		mqd->load_mqd = load_mqd_sdma;
+		mqd->free_mqd = free_mqd_hiq_sdma;
+		mqd->load_mqd = kfd_load_mqd_sdma;
 		mqd->update_mqd = update_mqd_sdma;
-		mqd->destroy_mqd = destroy_mqd_sdma;
-		mqd->is_occupied = is_occupied_sdma;
+		mqd->destroy_mqd = kfd_destroy_mqd_sdma;
+		mqd->is_occupied = kfd_is_occupied_sdma;
+		mqd->checkpoint_mqd = checkpoint_mqd_sdma;
+		mqd->restore_mqd = restore_mqd_sdma;
+		mqd->mqd_size = sizeof(struct vi_sdma_mqd);
+		mqd->mqd_stride = kfd_mqd_stride;
 #if defined(CONFIG_DEBUG_FS)
 		mqd->debugfs_show_mqd = debugfs_show_mqd_sdma;
 #endif
@@ -492,16 +521,3 @@ struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type,
 
 	return mqd;
 }
-
-struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type,
-			struct kfd_dev *dev)
-{
-	struct mqd_manager *mqd;
-
-	mqd = mqd_manager_init_vi(type, dev);
-	if (!mqd)
-		return NULL;
-	if ((type == KFD_MQD_TYPE_CP) || (type == KFD_MQD_TYPE_COMPUTE))
-		mqd->update_mqd = update_mqd_tonga;
-	return mqd;
-}