diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 96 |
1 files changed, 41 insertions, 55 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index bae77353447b..21a80f1bb2b9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -24,12 +24,14 @@ #ifndef __AMDGPU_VM_H__ #define __AMDGPU_VM_H__ -#include <linux/rbtree.h> #include <linux/idr.h> +#include <linux/kfifo.h> +#include <linux/rbtree.h> +#include <drm/gpu_scheduler.h> -#include "gpu_scheduler.h" #include "amdgpu_sync.h" #include "amdgpu_ring.h" +#include "amdgpu_ids.h" struct amdgpu_bo_va; struct amdgpu_job; @@ -39,9 +41,6 @@ struct amdgpu_bo_list_entry; * GPUVM handling */ -/* maximum number of VMIDs */ -#define AMDGPU_NUM_VM 16 - /* Maximum number of PTEs the hardware can write with one command */ #define AMDGPU_VM_MAX_UPDATE_SIZE 0x3FFFF @@ -69,6 +68,12 @@ struct amdgpu_bo_list_entry; /* PDE is handled as PTE for VEGA10 */ #define AMDGPU_PDE_PTE (1ULL << 54) +/* PTE is handled as PDE for VEGA10 (Translate Further) */ +#define AMDGPU_PTE_TF (1ULL << 56) + +/* PDE Block Fragment Size for VEGA10 */ +#define AMDGPU_PDE_BFS(a) ((uint64_t)a << 59) + /* VEGA10 only */ #define AMDGPU_PTE_MTYPE(a) ((uint64_t)a << 57) #define AMDGPU_PTE_MTYPE_MASK AMDGPU_PTE_MTYPE(3ULL) @@ -96,6 +101,19 @@ struct amdgpu_bo_list_entry; /* hardcode that limit for now */ #define AMDGPU_VA_RESERVED_SIZE (8ULL << 20) +/* VA hole for 48bit addresses on Vega10 */ +#define AMDGPU_VA_HOLE_START 0x0000800000000000ULL +#define AMDGPU_VA_HOLE_END 0xffff800000000000ULL + +/* + * Hardware is programmed as if the hole doesn't exists with start and end + * address values. + * + * This mask is used to remove the upper 16bits of the VA and so come up with + * the linear addr value. + */ +#define AMDGPU_VA_HOLE_MASK 0x0000ffffffffffffULL + /* max vmids dedicated for process */ #define AMDGPU_VM_MAX_RESERVED_VMID 1 @@ -106,6 +124,16 @@ struct amdgpu_bo_list_entry; #define AMDGPU_VM_USE_CPU_FOR_GFX (1 << 0) #define AMDGPU_VM_USE_CPU_FOR_COMPUTE (1 << 1) +/* VMPT level enumerate, and the hiberachy is: + * PDB2->PDB1->PDB0->PTB + */ +enum amdgpu_vm_level { + AMDGPU_VM_PDB2, + AMDGPU_VM_PDB1, + AMDGPU_VM_PDB0, + AMDGPU_VM_PTB +}; + /* base structure for tracking BO usage in a VM */ struct amdgpu_vm_bo_base { /* constant after initialization */ @@ -124,11 +152,10 @@ struct amdgpu_vm_bo_base { struct amdgpu_vm_pt { struct amdgpu_vm_bo_base base; - uint64_t addr; + bool huge; /* array of page tables, one for each directory entry */ struct amdgpu_vm_pt *entries; - unsigned last_entry_used; }; #define AMDGPU_VM_FAULT(pasid, addr) (((u64)(pasid) << 48) | (addr)) @@ -162,13 +189,11 @@ struct amdgpu_vm { spinlock_t freed_lock; /* Scheduler entity for page table updates */ - struct amd_sched_entity entity; + struct drm_sched_entity entity; - /* client id and PASID (TODO: replace client_id with PASID) */ - u64 client_id; unsigned int pasid; /* dedicated to vm */ - struct amdgpu_vm_id *reserved_vmid[AMDGPU_MAX_VMHUBS]; + struct amdgpu_vmid *reserved_vmid[AMDGPU_MAX_VMHUBS]; /* Flag to indicate if VM tables are updated by CPU or GPU (SDMA) */ bool use_cpu_for_update; @@ -183,37 +208,9 @@ struct amdgpu_vm { unsigned int fault_credit; }; -struct amdgpu_vm_id { - struct list_head list; - struct amdgpu_sync active; - struct dma_fence *last_flush; - atomic64_t owner; - - uint64_t pd_gpu_addr; - /* last flushed PD/PT update */ - struct dma_fence *flushed_updates; - - uint32_t current_gpu_reset_count; - - uint32_t gds_base; - uint32_t gds_size; - uint32_t gws_base; - uint32_t gws_size; - uint32_t oa_base; - uint32_t oa_size; -}; - -struct amdgpu_vm_id_manager { - struct mutex lock; - unsigned num_ids; - struct list_head ids_lru; - struct amdgpu_vm_id ids[AMDGPU_NUM_VM]; - atomic_t reserved_vmid_num; -}; - struct amdgpu_vm_manager { /* Handling of VMIDs */ - struct amdgpu_vm_id_manager id_mgr[AMDGPU_MAX_VMHUBS]; + struct amdgpu_vmid_mgr id_mgr[AMDGPU_MAX_VMHUBS]; /* Handling of VM fences */ u64 fence_context; @@ -221,9 +218,9 @@ struct amdgpu_vm_manager { uint64_t max_pfn; uint32_t num_level; - uint64_t vm_size; uint32_t block_size; uint32_t fragment_size; + enum amdgpu_vm_level root_level; /* vram base address for page table entry */ u64 vram_base_offset; /* vm pte handling */ @@ -231,8 +228,6 @@ struct amdgpu_vm_manager { struct amdgpu_ring *vm_pte_rings[AMDGPU_MAX_RINGS]; unsigned vm_pte_num_rings; atomic_t vm_pte_next_ring; - /* client id counter */ - atomic64_t client_counter; /* partial resident texture handling */ spinlock_t prt_lock; @@ -251,8 +246,6 @@ struct amdgpu_vm_manager { spinlock_t pasid_lock; }; -int amdgpu_vm_alloc_pasid(unsigned int bits); -void amdgpu_vm_free_pasid(unsigned int pasid); void amdgpu_vm_manager_init(struct amdgpu_device *adev); void amdgpu_vm_manager_fini(struct amdgpu_device *adev); int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, @@ -270,13 +263,7 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm, int amdgpu_vm_alloc_pts(struct amdgpu_device *adev, struct amdgpu_vm *vm, uint64_t saddr, uint64_t size); -int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring, - struct amdgpu_sync *sync, struct dma_fence *fence, - struct amdgpu_job *job); int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, bool need_pipe_sync); -void amdgpu_vm_reset_id(struct amdgpu_device *adev, unsigned vmhub, - unsigned vmid); -void amdgpu_vm_reset_all_ids(struct amdgpu_device *adev); int amdgpu_vm_update_directories(struct amdgpu_device *adev, struct amdgpu_vm *vm); int amdgpu_vm_clear_freed(struct amdgpu_device *adev, @@ -312,10 +299,9 @@ struct amdgpu_bo_va_mapping *amdgpu_vm_bo_lookup_mapping(struct amdgpu_vm *vm, uint64_t addr); void amdgpu_vm_bo_rmv(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va); -void amdgpu_vm_set_fragment_size(struct amdgpu_device *adev, - uint32_t fragment_size_default); -void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size, - uint32_t fragment_size_default); +void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t vm_size, + uint32_t fragment_size_default, unsigned max_level, + unsigned max_bits); int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); bool amdgpu_vm_need_pipeline_sync(struct amdgpu_ring *ring, struct amdgpu_job *job); |