Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 435 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
new file mode 100644
index 000000000..dbc842590
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
@@ -0,0 +1,435 @@
+/*
+ * Copyright 2014 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.
+ */
+
+/* amdgpu_amdkfd.h defines the private interface between amdgpu and amdkfd. */
+
+#ifndef AMDGPU_AMDKFD_H_INCLUDED
+#define AMDGPU_AMDKFD_H_INCLUDED
+
+#include <linux/types.h>
+#include <linux/mm.h>
+#include <linux/kthread.h>
+#include <linux/workqueue.h>
+#include <kgd_kfd_interface.h>
+#include <drm/ttm/ttm_execbuf_util.h>
+#include "amdgpu_sync.h"
+#include "amdgpu_vm.h"
+
+extern uint64_t amdgpu_amdkfd_total_mem_size;
+
+enum TLB_FLUSH_TYPE {
+	TLB_FLUSH_LEGACY = 0,
+	TLB_FLUSH_LIGHTWEIGHT,
+	TLB_FLUSH_HEAVYWEIGHT
+};
+
+struct amdgpu_device;
+
+enum kfd_mem_attachment_type {
+	KFD_MEM_ATT_SHARED,	/* Share kgd_mem->bo or another attachment's */
+	KFD_MEM_ATT_USERPTR,	/* SG bo to DMA map pages from a userptr bo */
+	KFD_MEM_ATT_DMABUF,	/* DMAbuf to DMA map TTM BOs */
+	KFD_MEM_ATT_SG		/* Tag to DMA map SG BOs */
+};
+
+struct kfd_mem_attachment {
+	struct list_head list;
+	enum kfd_mem_attachment_type type;
+	bool is_mapped;
+	struct amdgpu_bo_va *bo_va;
+	struct amdgpu_device *adev;
+	uint64_t va;
+	uint64_t pte_flags;
+};
+
+struct kgd_mem {
+	struct mutex lock;
+	struct amdgpu_bo *bo;
+	struct dma_buf *dmabuf;
+	struct list_head attachments;
+	/* protected by amdkfd_process_info.lock */
+	struct ttm_validate_buffer validate_list;
+	struct ttm_validate_buffer resv_list;
+	uint32_t domain;
+	unsigned int mapped_to_gpu_memory;
+	uint64_t va;
+
+	uint32_t alloc_flags;
+
+	atomic_t invalid;
+	struct amdkfd_process_info *process_info;
+
+	struct amdgpu_sync sync;
+
+	bool aql_queue;
+	bool is_imported;
+};
+
+/* KFD Memory Eviction */
+struct amdgpu_amdkfd_fence {
+	struct dma_fence base;
+	struct mm_struct *mm;
+	spinlock_t lock;
+	char timeline_name[TASK_COMM_LEN];
+	struct svm_range_bo *svm_bo;
+};
+
+struct amdgpu_kfd_dev {
+	struct kfd_dev *dev;
+	int64_t vram_used;
+	uint64_t vram_used_aligned;
+	bool init_complete;
+	struct work_struct reset_work;
+};
+
+enum kgd_engine_type {
+	KGD_ENGINE_PFP = 1,
+	KGD_ENGINE_ME,
+	KGD_ENGINE_CE,
+	KGD_ENGINE_MEC1,
+	KGD_ENGINE_MEC2,
+	KGD_ENGINE_RLC,
+	KGD_ENGINE_SDMA1,
+	KGD_ENGINE_SDMA2,
+	KGD_ENGINE_MAX
+};
+
+
+struct amdkfd_process_info {
+	/* List head of all VMs that belong to a KFD process */
+	struct list_head vm_list_head;
+	/* List head for all KFD BOs that belong to a KFD process. */
+	struct list_head kfd_bo_list;
+	/* List of userptr BOs that are valid or invalid */
+	struct list_head userptr_valid_list;
+	struct list_head userptr_inval_list;
+	/* Lock to protect kfd_bo_list */
+	struct mutex lock;
+
+	/* Number of VMs */
+	unsigned int n_vms;
+	/* Eviction Fence */
+	struct amdgpu_amdkfd_fence *eviction_fence;
+
+	/* MMU-notifier related fields */
+	atomic_t evicted_bos;
+	struct delayed_work restore_userptr_work;
+	struct pid *pid;
+	bool block_mmu_notifications;
+};
+
+int amdgpu_amdkfd_init(void);
+void amdgpu_amdkfd_fini(void);
+
+void amdgpu_amdkfd_suspend(struct amdgpu_device *adev, bool run_pm);
+int amdgpu_amdkfd_resume_iommu(struct amdgpu_device *adev);
+int amdgpu_amdkfd_resume(struct amdgpu_device *adev, bool run_pm);
+void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev,
+			const void *ih_ring_entry);
+void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev);
+void amdgpu_amdkfd_device_init(struct amdgpu_device *adev);
+void amdgpu_amdkfd_device_fini_sw(struct amdgpu_device *adev);
+int amdgpu_amdkfd_submit_ib(struct amdgpu_device *adev,
+				enum kgd_engine_type engine,
+				uint32_t vmid, uint64_t gpu_addr,
+				uint32_t *ib_cmd, uint32_t ib_len);
+void amdgpu_amdkfd_set_compute_idle(struct amdgpu_device *adev, bool idle);
+bool amdgpu_amdkfd_have_atomics_support(struct amdgpu_device *adev);
+int amdgpu_amdkfd_flush_gpu_tlb_vmid(struct amdgpu_device *adev,
+				uint16_t vmid);
+int amdgpu_amdkfd_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
+				uint16_t pasid, enum TLB_FLUSH_TYPE flush_type);
+
+bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid);
+
+int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev);
+
+int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev);
+
+void amdgpu_amdkfd_gpu_reset(struct amdgpu_device *adev);
+
+int amdgpu_queue_mask_bit_to_set_resource_bit(struct amdgpu_device *adev,
+					int queue_bit);
+
+struct amdgpu_amdkfd_fence *amdgpu_amdkfd_fence_create(u64 context,
+				struct mm_struct *mm,
+				struct svm_range_bo *svm_bo);
+#if defined(CONFIG_DEBUG_FS)
+int kfd_debugfs_kfd_mem_limits(struct seq_file *m, void *data);
+#endif
+#if IS_ENABLED(CONFIG_HSA_AMD)
+bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm);
+struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f);
+int amdgpu_amdkfd_remove_fence_on_pt_pd_bos(struct amdgpu_bo *bo);
+int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm);
+#else
+static inline
+bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm)
+{
+	return false;
+}
+
+static inline
+struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f)
+{
+	return NULL;
+}
+
+static inline
+int amdgpu_amdkfd_remove_fence_on_pt_pd_bos(struct amdgpu_bo *bo)
+{
+	return 0;
+}
+
+static inline
+int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm)
+{
+	return 0;
+}
+#endif
+/* Shared API */
+int amdgpu_amdkfd_alloc_gtt_mem(struct amdgpu_device *adev, size_t size,
+				void **mem_obj, uint64_t *gpu_addr,
+				void **cpu_ptr, bool mqd_gfx9);
+void amdgpu_amdkfd_free_gtt_mem(struct amdgpu_device *adev, void *mem_obj);
+int amdgpu_amdkfd_alloc_gws(struct amdgpu_device *adev, size_t size,
+				void **mem_obj);
+void amdgpu_amdkfd_free_gws(struct amdgpu_device *adev, void *mem_obj);
+int amdgpu_amdkfd_add_gws_to_process(void *info, void *gws, struct kgd_mem **mem);
+int amdgpu_amdkfd_remove_gws_from_process(void *info, void *mem);
+uint32_t amdgpu_amdkfd_get_fw_version(struct amdgpu_device *adev,
+				      enum kgd_engine_type type);
+void amdgpu_amdkfd_get_local_mem_info(struct amdgpu_device *adev,
+				      struct kfd_local_mem_info *mem_info);
+uint64_t amdgpu_amdkfd_get_gpu_clock_counter(struct amdgpu_device *adev);
+
+uint32_t amdgpu_amdkfd_get_max_engine_clock_in_mhz(struct amdgpu_device *adev);
+void amdgpu_amdkfd_get_cu_info(struct amdgpu_device *adev,
+			       struct kfd_cu_info *cu_info);
+int amdgpu_amdkfd_get_dmabuf_info(struct amdgpu_device *adev, int dma_buf_fd,
+				  struct amdgpu_device **dmabuf_adev,
+				  uint64_t *bo_size, void *metadata_buffer,
+				  size_t buffer_size, uint32_t *metadata_size,
+				  uint32_t *flags);
+uint8_t amdgpu_amdkfd_get_xgmi_hops_count(struct amdgpu_device *dst,
+					  struct amdgpu_device *src);
+int amdgpu_amdkfd_get_xgmi_bandwidth_mbytes(struct amdgpu_device *dst,
+					    struct amdgpu_device *src,
+					    bool is_min);
+int amdgpu_amdkfd_get_pcie_bandwidth_mbytes(struct amdgpu_device *adev, bool is_min);
+
+/* Read user wptr from a specified user address space with page fault
+ * disabled. The memory must be pinned and mapped to the hardware when
+ * this is called in hqd_load functions, so it should never fault in
+ * the first place. This resolves a circular lock dependency involving
+ * four locks, including the DQM lock and mmap_lock.
+ */
+#define read_user_wptr(mmptr, wptr, dst)				\
+	({								\
+		bool valid = false;					\
+		if ((mmptr) && (wptr)) {				\
+			pagefault_disable();				\
+			if ((mmptr) == current->mm) {			\
+				valid = !get_user((dst), (wptr));	\
+			} else if (current->flags & PF_KTHREAD) {	\
+				kthread_use_mm(mmptr);			\
+				valid = !get_user((dst), (wptr));	\
+				kthread_unuse_mm(mmptr);		\
+			}						\
+			pagefault_enable();				\
+		}							\
+		valid;							\
+	})
+
+/* GPUVM API */
+#define drm_priv_to_vm(drm_priv)					\
+	(&((struct amdgpu_fpriv *)					\
+		((struct drm_file *)(drm_priv))->driver_priv)->vm)
+
+int amdgpu_amdkfd_gpuvm_set_vm_pasid(struct amdgpu_device *adev,
+				     struct file *filp, u32 pasid);
+int amdgpu_amdkfd_gpuvm_acquire_process_vm(struct amdgpu_device *adev,
+					struct file *filp,
+					void **process_info,
+					struct dma_fence **ef);
+void amdgpu_amdkfd_gpuvm_release_process_vm(struct amdgpu_device *adev,
+					void *drm_priv);
+uint64_t amdgpu_amdkfd_gpuvm_get_process_page_dir(void *drm_priv);
+size_t amdgpu_amdkfd_get_available_memory(struct amdgpu_device *adev);
+int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu(
+		struct amdgpu_device *adev, uint64_t va, uint64_t size,
+		void *drm_priv, struct kgd_mem **mem,
+		uint64_t *offset, uint32_t flags, bool criu_resume);
+int amdgpu_amdkfd_gpuvm_free_memory_of_gpu(
+		struct amdgpu_device *adev, struct kgd_mem *mem, void *drm_priv,
+		uint64_t *size);
+int amdgpu_amdkfd_gpuvm_map_memory_to_gpu(struct amdgpu_device *adev,
+					  struct kgd_mem *mem, void *drm_priv);
+int amdgpu_amdkfd_gpuvm_unmap_memory_from_gpu(
+		struct amdgpu_device *adev, struct kgd_mem *mem, void *drm_priv);
+int amdgpu_amdkfd_gpuvm_sync_memory(
+		struct amdgpu_device *adev, struct kgd_mem *mem, bool intr);
+int amdgpu_amdkfd_gpuvm_map_gtt_bo_to_kernel(struct kgd_mem *mem,
+					     void **kptr, uint64_t *size);
+void amdgpu_amdkfd_gpuvm_unmap_gtt_bo_from_kernel(struct kgd_mem *mem);
+
+int amdgpu_amdkfd_map_gtt_bo_to_gart(struct amdgpu_device *adev, struct amdgpu_bo *bo);
+
+int amdgpu_amdkfd_gpuvm_restore_process_bos(void *process_info,
+					    struct dma_fence **ef);
+int amdgpu_amdkfd_gpuvm_get_vm_fault_info(struct amdgpu_device *adev,
+					      struct kfd_vm_fault_info *info);
+int amdgpu_amdkfd_gpuvm_import_dmabuf(struct amdgpu_device *adev,
+				      struct dma_buf *dmabuf,
+				      uint64_t va, void *drm_priv,
+				      struct kgd_mem **mem, uint64_t *size,
+				      uint64_t *mmap_offset);
+int amdgpu_amdkfd_get_tile_config(struct amdgpu_device *adev,
+				struct tile_config *config);
+void amdgpu_amdkfd_ras_poison_consumption_handler(struct amdgpu_device *adev,
+				bool reset);
+bool amdgpu_amdkfd_bo_mapped_to_dev(struct amdgpu_device *adev, struct kgd_mem *mem);
+void amdgpu_amdkfd_block_mmu_notifications(void *p);
+int amdgpu_amdkfd_criu_resume(void *p);
+bool amdgpu_amdkfd_ras_query_utcl2_poison_status(struct amdgpu_device *adev);
+int amdgpu_amdkfd_reserve_mem_limit(struct amdgpu_device *adev,
+		uint64_t size, u32 alloc_flag);
+void amdgpu_amdkfd_unreserve_mem_limit(struct amdgpu_device *adev,
+		uint64_t size, u32 alloc_flag);
+
+#if IS_ENABLED(CONFIG_HSA_AMD)
+void amdgpu_amdkfd_gpuvm_init_mem_limits(void);
+void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev,
+				struct amdgpu_vm *vm);
+
+/**
+ * @amdgpu_amdkfd_release_notify() - Notify KFD when GEM object is released
+ *
+ * Allows KFD to release its resources associated with the GEM object.
+ */
+void amdgpu_amdkfd_release_notify(struct amdgpu_bo *bo);
+void amdgpu_amdkfd_reserve_system_mem(uint64_t size);
+#else
+static inline
+void amdgpu_amdkfd_gpuvm_init_mem_limits(void)
+{
+}
+
+static inline
+void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev,
+					struct amdgpu_vm *vm)
+{
+}
+
+static inline
+void amdgpu_amdkfd_release_notify(struct amdgpu_bo *bo)
+{
+}
+#endif
+/* KGD2KFD callbacks */
+int kgd2kfd_quiesce_mm(struct mm_struct *mm, uint32_t trigger);
+int kgd2kfd_resume_mm(struct mm_struct *mm);
+int kgd2kfd_schedule_evict_and_restore_process(struct mm_struct *mm,
+						struct dma_fence *fence);
+#if IS_ENABLED(CONFIG_HSA_AMD)
+int kgd2kfd_init(void);
+void kgd2kfd_exit(void);
+struct kfd_dev *kgd2kfd_probe(struct amdgpu_device *adev, bool vf);
+bool kgd2kfd_device_init(struct kfd_dev *kfd,
+			 struct drm_device *ddev,
+			 const struct kgd2kfd_shared_resources *gpu_resources);
+void kgd2kfd_device_exit(struct kfd_dev *kfd);
+void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm);
+int kgd2kfd_resume_iommu(struct kfd_dev *kfd);
+int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm);
+int kgd2kfd_pre_reset(struct kfd_dev *kfd);
+int kgd2kfd_post_reset(struct kfd_dev *kfd);
+void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry);
+void kgd2kfd_set_sram_ecc_flag(struct kfd_dev *kfd);
+void kgd2kfd_smi_event_throttle(struct kfd_dev *kfd, uint64_t throttle_bitmask);
+#else
+static inline int kgd2kfd_init(void)
+{
+	return -ENOENT;
+}
+
+static inline void kgd2kfd_exit(void)
+{
+}
+
+static inline
+struct kfd_dev *kgd2kfd_probe(struct amdgpu_device *adev, bool vf)
+{
+	return NULL;
+}
+
+static inline
+bool kgd2kfd_device_init(struct kfd_dev *kfd, struct drm_device *ddev,
+				const struct kgd2kfd_shared_resources *gpu_resources)
+{
+	return false;
+}
+
+static inline void kgd2kfd_device_exit(struct kfd_dev *kfd)
+{
+}
+
+static inline void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm)
+{
+}
+
+static int __maybe_unused kgd2kfd_resume_iommu(struct kfd_dev *kfd)
+{
+	return 0;
+}
+
+static inline int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm)
+{
+	return 0;
+}
+
+static inline int kgd2kfd_pre_reset(struct kfd_dev *kfd)
+{
+	return 0;
+}
+
+static inline int kgd2kfd_post_reset(struct kfd_dev *kfd)
+{
+	return 0;
+}
+
+static inline
+void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry)
+{
+}
+
+static inline
+void kgd2kfd_set_sram_ecc_flag(struct kfd_dev *kfd)
+{
+}
+
+static inline
+void kgd2kfd_smi_event_throttle(struct kfd_dev *kfd, uint64_t throttle_bitmask)
+{
+}
+#endif
+#endif /* AMDGPU_AMDKFD_H_INCLUDED */