356 lines
16 KiB
C
356 lines
16 KiB
C
#ifndef __NVKM_VMM_H__
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#define __NVKM_VMM_H__
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#include "priv.h"
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#include <core/memory.h>
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enum nvkm_memory_target;
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struct nvkm_vmm_pt {
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/* Some GPUs have a mapping level with a dual page tables to
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* support large and small pages in the same address-range.
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*
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* We track the state of both page tables in one place, which
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* is why there's multiple PT pointers/refcounts here.
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*/
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struct nvkm_mmu_pt *pt[2];
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u32 refs[2];
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/* Page size handled by this PT.
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*
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* Tesla backend needs to know this when writinge PDEs,
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* otherwise unnecessary.
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*/
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u8 page;
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/* Entire page table sparse.
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*
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* Used to propagate sparseness to child page tables.
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*/
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bool sparse:1;
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/* Tracking for page directories.
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*
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* The array is indexed by PDE, and will either point to the
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* child page table, or indicate the PDE is marked as sparse.
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**/
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#define NVKM_VMM_PDE_INVALID(pde) IS_ERR_OR_NULL(pde)
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#define NVKM_VMM_PDE_SPARSED(pde) IS_ERR(pde)
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#define NVKM_VMM_PDE_SPARSE ERR_PTR(-EBUSY)
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struct nvkm_vmm_pt **pde;
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/* Tracking for dual page tables.
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*
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* There's one entry for each LPTE, keeping track of whether
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* there are valid SPTEs in the same address-range.
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*
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* This information is used to manage LPTE state transitions.
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*/
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#define NVKM_VMM_PTE_SPARSE 0x80
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#define NVKM_VMM_PTE_VALID 0x40
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#define NVKM_VMM_PTE_SPTES 0x3f
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u8 pte[];
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};
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typedef void (*nvkm_vmm_pxe_func)(struct nvkm_vmm *,
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struct nvkm_mmu_pt *, u32 ptei, u32 ptes);
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typedef void (*nvkm_vmm_pde_func)(struct nvkm_vmm *,
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struct nvkm_vmm_pt *, u32 pdei);
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typedef void (*nvkm_vmm_pte_func)(struct nvkm_vmm *, struct nvkm_mmu_pt *,
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u32 ptei, u32 ptes, struct nvkm_vmm_map *);
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struct nvkm_vmm_desc_func {
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nvkm_vmm_pxe_func invalid;
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nvkm_vmm_pxe_func unmap;
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nvkm_vmm_pxe_func sparse;
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nvkm_vmm_pde_func pde;
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nvkm_vmm_pte_func mem;
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nvkm_vmm_pte_func dma;
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nvkm_vmm_pte_func sgl;
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nvkm_vmm_pte_func pfn;
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bool (*pfn_clear)(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32 ptei, u32 ptes);
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nvkm_vmm_pxe_func pfn_unmap;
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};
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extern const struct nvkm_vmm_desc_func gf100_vmm_pgd;
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void gf100_vmm_pgd_pde(struct nvkm_vmm *, struct nvkm_vmm_pt *, u32);
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extern const struct nvkm_vmm_desc_func gf100_vmm_pgt;
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void gf100_vmm_pgt_unmap(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32);
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void gf100_vmm_pgt_mem(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32,
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struct nvkm_vmm_map *);
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void gf100_vmm_pgt_dma(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32,
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struct nvkm_vmm_map *);
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void gf100_vmm_pgt_sgl(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32,
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struct nvkm_vmm_map *);
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void gk104_vmm_lpt_invalid(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32);
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struct nvkm_vmm_desc {
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enum {
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PGD,
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PGT,
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SPT,
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LPT,
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} type;
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u8 bits; /* VMA bits covered by PT. */
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u8 size; /* Bytes-per-PTE. */
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u32 align; /* PT address alignment. */
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const struct nvkm_vmm_desc_func *func;
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};
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extern const struct nvkm_vmm_desc nv50_vmm_desc_12[];
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extern const struct nvkm_vmm_desc nv50_vmm_desc_16[];
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extern const struct nvkm_vmm_desc gk104_vmm_desc_16_12[];
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extern const struct nvkm_vmm_desc gk104_vmm_desc_16_16[];
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extern const struct nvkm_vmm_desc gk104_vmm_desc_17_12[];
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extern const struct nvkm_vmm_desc gk104_vmm_desc_17_17[];
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extern const struct nvkm_vmm_desc gm200_vmm_desc_16_12[];
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extern const struct nvkm_vmm_desc gm200_vmm_desc_16_16[];
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extern const struct nvkm_vmm_desc gm200_vmm_desc_17_12[];
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extern const struct nvkm_vmm_desc gm200_vmm_desc_17_17[];
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extern const struct nvkm_vmm_desc gp100_vmm_desc_12[];
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extern const struct nvkm_vmm_desc gp100_vmm_desc_16[];
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struct nvkm_vmm_page {
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u8 shift;
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const struct nvkm_vmm_desc *desc;
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#define NVKM_VMM_PAGE_SPARSE 0x01
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#define NVKM_VMM_PAGE_VRAM 0x02
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#define NVKM_VMM_PAGE_HOST 0x04
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#define NVKM_VMM_PAGE_COMP 0x08
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#define NVKM_VMM_PAGE_Sxxx (NVKM_VMM_PAGE_SPARSE)
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#define NVKM_VMM_PAGE_xVxx (NVKM_VMM_PAGE_VRAM)
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#define NVKM_VMM_PAGE_SVxx (NVKM_VMM_PAGE_Sxxx | NVKM_VMM_PAGE_VRAM)
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#define NVKM_VMM_PAGE_xxHx (NVKM_VMM_PAGE_HOST)
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#define NVKM_VMM_PAGE_SxHx (NVKM_VMM_PAGE_Sxxx | NVKM_VMM_PAGE_HOST)
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#define NVKM_VMM_PAGE_xVHx (NVKM_VMM_PAGE_xVxx | NVKM_VMM_PAGE_HOST)
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#define NVKM_VMM_PAGE_SVHx (NVKM_VMM_PAGE_SVxx | NVKM_VMM_PAGE_HOST)
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#define NVKM_VMM_PAGE_xVxC (NVKM_VMM_PAGE_xVxx | NVKM_VMM_PAGE_COMP)
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#define NVKM_VMM_PAGE_SVxC (NVKM_VMM_PAGE_SVxx | NVKM_VMM_PAGE_COMP)
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#define NVKM_VMM_PAGE_xxHC (NVKM_VMM_PAGE_xxHx | NVKM_VMM_PAGE_COMP)
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#define NVKM_VMM_PAGE_SxHC (NVKM_VMM_PAGE_SxHx | NVKM_VMM_PAGE_COMP)
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u8 type;
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};
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struct nvkm_vmm_func {
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int (*join)(struct nvkm_vmm *, struct nvkm_memory *inst);
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void (*part)(struct nvkm_vmm *, struct nvkm_memory *inst);
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int (*aper)(enum nvkm_memory_target);
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int (*valid)(struct nvkm_vmm *, void *argv, u32 argc,
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struct nvkm_vmm_map *);
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void (*flush)(struct nvkm_vmm *, int depth);
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int (*mthd)(struct nvkm_vmm *, struct nvkm_client *,
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u32 mthd, void *argv, u32 argc);
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void (*invalidate_pdb)(struct nvkm_vmm *, u64 addr);
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u64 page_block;
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const struct nvkm_vmm_page page[];
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};
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struct nvkm_vmm_join {
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struct nvkm_memory *inst;
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struct list_head head;
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};
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int nvkm_vmm_new_(const struct nvkm_vmm_func *, struct nvkm_mmu *,
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u32 pd_header, bool managed, u64 addr, u64 size,
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struct lock_class_key *, const char *name,
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struct nvkm_vmm **);
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struct nvkm_vma *nvkm_vmm_node_search(struct nvkm_vmm *, u64 addr);
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struct nvkm_vma *nvkm_vmm_node_split(struct nvkm_vmm *, struct nvkm_vma *,
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u64 addr, u64 size);
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int nvkm_vmm_get_locked(struct nvkm_vmm *, bool getref, bool mapref,
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bool sparse, u8 page, u8 align, u64 size,
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struct nvkm_vma **pvma);
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void nvkm_vmm_put_locked(struct nvkm_vmm *, struct nvkm_vma *);
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void nvkm_vmm_unmap_locked(struct nvkm_vmm *, struct nvkm_vma *, bool pfn);
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void nvkm_vmm_unmap_region(struct nvkm_vmm *, struct nvkm_vma *);
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#define NVKM_VMM_PFN_ADDR 0xfffffffffffff000ULL
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#define NVKM_VMM_PFN_ADDR_SHIFT 12
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#define NVKM_VMM_PFN_APER 0x00000000000000f0ULL
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#define NVKM_VMM_PFN_HOST 0x0000000000000000ULL
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#define NVKM_VMM_PFN_VRAM 0x0000000000000010ULL
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#define NVKM_VMM_PFN_A 0x0000000000000004ULL
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#define NVKM_VMM_PFN_W 0x0000000000000002ULL
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#define NVKM_VMM_PFN_V 0x0000000000000001ULL
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#define NVKM_VMM_PFN_NONE 0x0000000000000000ULL
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int nvkm_vmm_pfn_map(struct nvkm_vmm *, u8 page, u64 addr, u64 size, u64 *pfn);
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int nvkm_vmm_pfn_unmap(struct nvkm_vmm *, u64 addr, u64 size);
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struct nvkm_vma *nvkm_vma_tail(struct nvkm_vma *, u64 tail);
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int nv04_vmm_new_(const struct nvkm_vmm_func *, struct nvkm_mmu *, u32,
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bool, u64, u64, void *, u32, struct lock_class_key *,
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const char *, struct nvkm_vmm **);
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int nv04_vmm_valid(struct nvkm_vmm *, void *, u32, struct nvkm_vmm_map *);
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int nv50_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
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void nv50_vmm_part(struct nvkm_vmm *, struct nvkm_memory *);
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int nv50_vmm_valid(struct nvkm_vmm *, void *, u32, struct nvkm_vmm_map *);
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void nv50_vmm_flush(struct nvkm_vmm *, int);
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int gf100_vmm_new_(const struct nvkm_vmm_func *, const struct nvkm_vmm_func *,
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struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *, struct nvkm_vmm **);
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int gf100_vmm_join_(struct nvkm_vmm *, struct nvkm_memory *, u64 base);
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int gf100_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
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void gf100_vmm_part(struct nvkm_vmm *, struct nvkm_memory *);
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int gf100_vmm_aper(enum nvkm_memory_target);
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int gf100_vmm_valid(struct nvkm_vmm *, void *, u32, struct nvkm_vmm_map *);
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void gf100_vmm_flush(struct nvkm_vmm *, int);
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void gf100_vmm_invalidate(struct nvkm_vmm *, u32 type);
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void gf100_vmm_invalidate_pdb(struct nvkm_vmm *, u64 addr);
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int gk20a_vmm_aper(enum nvkm_memory_target);
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int gm200_vmm_new_(const struct nvkm_vmm_func *, const struct nvkm_vmm_func *,
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struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *, struct nvkm_vmm **);
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int gm200_vmm_join_(struct nvkm_vmm *, struct nvkm_memory *, u64 base);
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int gm200_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
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int gp100_vmm_new_(const struct nvkm_vmm_func *,
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struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *, struct nvkm_vmm **);
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int gp100_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
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int gp100_vmm_valid(struct nvkm_vmm *, void *, u32, struct nvkm_vmm_map *);
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void gp100_vmm_flush(struct nvkm_vmm *, int);
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int gp100_vmm_mthd(struct nvkm_vmm *, struct nvkm_client *, u32, void *, u32);
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void gp100_vmm_invalidate_pdb(struct nvkm_vmm *, u64 addr);
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int gv100_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
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int nv04_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *, struct nvkm_vmm **);
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int nv41_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *, struct nvkm_vmm **);
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int nv44_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *, struct nvkm_vmm **);
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int nv50_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *, struct nvkm_vmm **);
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int mcp77_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *, struct nvkm_vmm **);
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int g84_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *, struct nvkm_vmm **);
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int gf100_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *, struct nvkm_vmm **);
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int gk104_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *, struct nvkm_vmm **);
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int gk20a_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *, struct nvkm_vmm **);
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int gm200_vmm_new_fixed(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *,
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struct nvkm_vmm **);
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int gm200_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *,
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struct nvkm_vmm **);
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int gm20b_vmm_new_fixed(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *,
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struct nvkm_vmm **);
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int gm20b_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *,
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struct nvkm_vmm **);
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int gp100_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *,
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struct nvkm_vmm **);
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int gp10b_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *,
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struct nvkm_vmm **);
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int gv100_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *,
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struct nvkm_vmm **);
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int tu102_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
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struct lock_class_key *, const char *,
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struct nvkm_vmm **);
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#define VMM_PRINT(l,v,p,f,a...) do { \
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struct nvkm_vmm *_vmm = (v); \
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if (CONFIG_NOUVEAU_DEBUG >= (l) && _vmm->debug >= (l)) { \
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nvkm_printk_(&_vmm->mmu->subdev, 0, p, "%s: "f"\n", \
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_vmm->name, ##a); \
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} \
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} while(0)
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#define VMM_DEBUG(v,f,a...) VMM_PRINT(NV_DBG_DEBUG, (v), info, f, ##a)
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#define VMM_TRACE(v,f,a...) VMM_PRINT(NV_DBG_TRACE, (v), info, f, ##a)
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#define VMM_SPAM(v,f,a...) VMM_PRINT(NV_DBG_SPAM , (v), dbg, f, ##a)
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#define VMM_MAP_ITER(VMM,PT,PTEI,PTEN,MAP,FILL,BASE,SIZE,NEXT) do { \
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nvkm_kmap((PT)->memory); \
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while (PTEN) { \
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u64 _ptes = ((SIZE) - MAP->off) >> MAP->page->shift; \
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u64 _addr = ((BASE) + MAP->off); \
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\
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if (_ptes > PTEN) { \
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MAP->off += PTEN << MAP->page->shift; \
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_ptes = PTEN; \
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} else { \
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MAP->off = 0; \
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NEXT; \
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} \
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\
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VMM_SPAM(VMM, "ITER %08x %08x PTE(s)", PTEI, (u32)_ptes); \
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\
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FILL(VMM, PT, PTEI, _ptes, MAP, _addr); \
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PTEI += _ptes; \
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PTEN -= _ptes; \
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} \
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nvkm_done((PT)->memory); \
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} while(0)
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#define VMM_MAP_ITER_MEM(VMM,PT,PTEI,PTEN,MAP,FILL) \
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VMM_MAP_ITER(VMM,PT,PTEI,PTEN,MAP,FILL, \
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((u64)MAP->mem->offset << NVKM_RAM_MM_SHIFT), \
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((u64)MAP->mem->length << NVKM_RAM_MM_SHIFT), \
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(MAP->mem = MAP->mem->next))
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#define VMM_MAP_ITER_DMA(VMM,PT,PTEI,PTEN,MAP,FILL) \
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VMM_MAP_ITER(VMM,PT,PTEI,PTEN,MAP,FILL, \
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*MAP->dma, PAGE_SIZE, MAP->dma++)
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#define VMM_MAP_ITER_SGL(VMM,PT,PTEI,PTEN,MAP,FILL) \
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VMM_MAP_ITER(VMM,PT,PTEI,PTEN,MAP,FILL, \
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sg_dma_address(MAP->sgl), sg_dma_len(MAP->sgl), \
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(MAP->sgl = sg_next(MAP->sgl)))
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#define VMM_FO(m,o,d,c,b) nvkm_fo##b((m)->memory, (o), (d), (c))
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#define VMM_WO(m,o,d,c,b) nvkm_wo##b((m)->memory, (o), (d))
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#define VMM_XO(m,v,o,d,c,b,fn,f,a...) do { \
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const u32 _pteo = (o); u##b _data = (d); \
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VMM_SPAM((v), " %010llx "f, (m)->addr + _pteo, _data, ##a); \
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VMM_##fn((m), (m)->base + _pteo, _data, (c), b); \
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} while(0)
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#define VMM_WO032(m,v,o,d) VMM_XO((m),(v),(o),(d), 1, 32, WO, "%08x")
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#define VMM_FO032(m,v,o,d,c) \
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VMM_XO((m),(v),(o),(d),(c), 32, FO, "%08x %08x", (c))
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#define VMM_WO064(m,v,o,d) VMM_XO((m),(v),(o),(d), 1, 64, WO, "%016llx")
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#define VMM_FO064(m,v,o,d,c) \
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VMM_XO((m),(v),(o),(d),(c), 64, FO, "%016llx %08x", (c))
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#define VMM_XO128(m,v,o,lo,hi,c,f,a...) do { \
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u32 _pteo = (o), _ptes = (c); \
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const u64 _addr = (m)->addr + _pteo; \
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VMM_SPAM((v), " %010llx %016llx%016llx"f, _addr, (hi), (lo), ##a); \
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while (_ptes--) { \
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nvkm_wo64((m)->memory, (m)->base + _pteo + 0, (lo)); \
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nvkm_wo64((m)->memory, (m)->base + _pteo + 8, (hi)); \
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_pteo += 0x10; \
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} \
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} while(0)
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#define VMM_WO128(m,v,o,lo,hi) VMM_XO128((m),(v),(o),(lo),(hi), 1, "")
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#define VMM_FO128(m,v,o,lo,hi,c) do { \
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nvkm_kmap((m)->memory); \
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VMM_XO128((m),(v),(o),(lo),(hi),(c), " %08x", (c)); \
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nvkm_done((m)->memory); \
|
|
} while(0)
|
|
#endif
|