Adding upstream version 6.1.76.upstream/6.1.76

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

1 files changed, 355 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h
new file mode 100644
index 000000000..f6188aa91
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h
@@ -0,0 +1,355 @@
+#ifndef __NVKM_VMM_H__
+#define __NVKM_VMM_H__
+#include "priv.h"
+#include <core/memory.h>
+enum nvkm_memory_target;
+
+struct nvkm_vmm_pt {
+	/* Some GPUs have a mapping level with a dual page tables to
+	 * support large and small pages in the same address-range.
+	 *
+	 * We track the state of both page tables in one place, which
+	 * is why there's multiple PT pointers/refcounts here.
+	 */
+	struct nvkm_mmu_pt *pt[2];
+	u32 refs[2];
+
+	/* Page size handled by this PT.
+	 *
+	 * Tesla backend needs to know this when writinge PDEs,
+	 * otherwise unnecessary.
+	 */
+	u8 page;
+
+	/* Entire page table sparse.
+	 *
+	 * Used to propagate sparseness to child page tables.
+	 */
+	bool sparse:1;
+
+	/* Tracking for page directories.
+	 *
+	 * The array is indexed by PDE, and will either point to the
+	 * child page table, or indicate the PDE is marked as sparse.
+	 **/
+#define NVKM_VMM_PDE_INVALID(pde) IS_ERR_OR_NULL(pde)
+#define NVKM_VMM_PDE_SPARSED(pde) IS_ERR(pde)
+#define NVKM_VMM_PDE_SPARSE       ERR_PTR(-EBUSY)
+	struct nvkm_vmm_pt **pde;
+
+	/* Tracking for dual page tables.
+	 *
+	 * There's one entry for each LPTE, keeping track of whether
+	 * there are valid SPTEs in the same address-range.
+	 *
+	 * This information is used to manage LPTE state transitions.
+	 */
+#define NVKM_VMM_PTE_SPARSE 0x80
+#define NVKM_VMM_PTE_VALID  0x40
+#define NVKM_VMM_PTE_SPTES  0x3f
+	u8 pte[];
+};
+
+typedef void (*nvkm_vmm_pxe_func)(struct nvkm_vmm *,
+				  struct nvkm_mmu_pt *, u32 ptei, u32 ptes);
+typedef void (*nvkm_vmm_pde_func)(struct nvkm_vmm *,
+				  struct nvkm_vmm_pt *, u32 pdei);
+typedef void (*nvkm_vmm_pte_func)(struct nvkm_vmm *, struct nvkm_mmu_pt *,
+				  u32 ptei, u32 ptes, struct nvkm_vmm_map *);
+
+struct nvkm_vmm_desc_func {
+	nvkm_vmm_pxe_func invalid;
+	nvkm_vmm_pxe_func unmap;
+	nvkm_vmm_pxe_func sparse;
+
+	nvkm_vmm_pde_func pde;
+
+	nvkm_vmm_pte_func mem;
+	nvkm_vmm_pte_func dma;
+	nvkm_vmm_pte_func sgl;
+
+	nvkm_vmm_pte_func pfn;
+	bool (*pfn_clear)(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32 ptei, u32 ptes);
+	nvkm_vmm_pxe_func pfn_unmap;
+};
+
+extern const struct nvkm_vmm_desc_func gf100_vmm_pgd;
+void gf100_vmm_pgd_pde(struct nvkm_vmm *, struct nvkm_vmm_pt *, u32);
+extern const struct nvkm_vmm_desc_func gf100_vmm_pgt;
+void gf100_vmm_pgt_unmap(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32);
+void gf100_vmm_pgt_mem(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32,
+		       struct nvkm_vmm_map *);
+void gf100_vmm_pgt_dma(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32,
+		       struct nvkm_vmm_map *);
+void gf100_vmm_pgt_sgl(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32,
+		       struct nvkm_vmm_map *);
+
+void gk104_vmm_lpt_invalid(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32);
+
+struct nvkm_vmm_desc {
+	enum {
+		PGD,
+		PGT,
+		SPT,
+		LPT,
+	} type;
+	u8 bits;	/* VMA bits covered by PT. */
+	u8 size;	/* Bytes-per-PTE. */
+	u32 align;	/* PT address alignment. */
+	const struct nvkm_vmm_desc_func *func;
+};
+
+extern const struct nvkm_vmm_desc nv50_vmm_desc_12[];
+extern const struct nvkm_vmm_desc nv50_vmm_desc_16[];
+
+extern const struct nvkm_vmm_desc gk104_vmm_desc_16_12[];
+extern const struct nvkm_vmm_desc gk104_vmm_desc_16_16[];
+extern const struct nvkm_vmm_desc gk104_vmm_desc_17_12[];
+extern const struct nvkm_vmm_desc gk104_vmm_desc_17_17[];
+
+extern const struct nvkm_vmm_desc gm200_vmm_desc_16_12[];
+extern const struct nvkm_vmm_desc gm200_vmm_desc_16_16[];
+extern const struct nvkm_vmm_desc gm200_vmm_desc_17_12[];
+extern const struct nvkm_vmm_desc gm200_vmm_desc_17_17[];
+
+extern const struct nvkm_vmm_desc gp100_vmm_desc_12[];
+extern const struct nvkm_vmm_desc gp100_vmm_desc_16[];
+
+struct nvkm_vmm_page {
+	u8 shift;
+	const struct nvkm_vmm_desc *desc;
+#define NVKM_VMM_PAGE_SPARSE                                               0x01
+#define NVKM_VMM_PAGE_VRAM                                                 0x02
+#define NVKM_VMM_PAGE_HOST                                                 0x04
+#define NVKM_VMM_PAGE_COMP                                                 0x08
+#define NVKM_VMM_PAGE_Sxxx                                (NVKM_VMM_PAGE_SPARSE)
+#define NVKM_VMM_PAGE_xVxx                                  (NVKM_VMM_PAGE_VRAM)
+#define NVKM_VMM_PAGE_SVxx             (NVKM_VMM_PAGE_Sxxx | NVKM_VMM_PAGE_VRAM)
+#define NVKM_VMM_PAGE_xxHx                                  (NVKM_VMM_PAGE_HOST)
+#define NVKM_VMM_PAGE_SxHx             (NVKM_VMM_PAGE_Sxxx | NVKM_VMM_PAGE_HOST)
+#define NVKM_VMM_PAGE_xVHx             (NVKM_VMM_PAGE_xVxx | NVKM_VMM_PAGE_HOST)
+#define NVKM_VMM_PAGE_SVHx             (NVKM_VMM_PAGE_SVxx | NVKM_VMM_PAGE_HOST)
+#define NVKM_VMM_PAGE_xVxC             (NVKM_VMM_PAGE_xVxx | NVKM_VMM_PAGE_COMP)
+#define NVKM_VMM_PAGE_SVxC             (NVKM_VMM_PAGE_SVxx | NVKM_VMM_PAGE_COMP)
+#define NVKM_VMM_PAGE_xxHC             (NVKM_VMM_PAGE_xxHx | NVKM_VMM_PAGE_COMP)
+#define NVKM_VMM_PAGE_SxHC             (NVKM_VMM_PAGE_SxHx | NVKM_VMM_PAGE_COMP)
+	u8 type;
+};
+
+struct nvkm_vmm_func {
+	int (*join)(struct nvkm_vmm *, struct nvkm_memory *inst);
+	void (*part)(struct nvkm_vmm *, struct nvkm_memory *inst);
+
+	int (*aper)(enum nvkm_memory_target);
+	int (*valid)(struct nvkm_vmm *, void *argv, u32 argc,
+		     struct nvkm_vmm_map *);
+	void (*flush)(struct nvkm_vmm *, int depth);
+
+	int (*mthd)(struct nvkm_vmm *, struct nvkm_client *,
+		    u32 mthd, void *argv, u32 argc);
+
+	void (*invalidate_pdb)(struct nvkm_vmm *, u64 addr);
+
+	u64 page_block;
+	const struct nvkm_vmm_page page[];
+};
+
+struct nvkm_vmm_join {
+	struct nvkm_memory *inst;
+	struct list_head head;
+};
+
+int nvkm_vmm_new_(const struct nvkm_vmm_func *, struct nvkm_mmu *,
+		  u32 pd_header, bool managed, u64 addr, u64 size,
+		  struct lock_class_key *, const char *name,
+		  struct nvkm_vmm **);
+struct nvkm_vma *nvkm_vmm_node_search(struct nvkm_vmm *, u64 addr);
+struct nvkm_vma *nvkm_vmm_node_split(struct nvkm_vmm *, struct nvkm_vma *,
+				     u64 addr, u64 size);
+int nvkm_vmm_get_locked(struct nvkm_vmm *, bool getref, bool mapref,
+			bool sparse, u8 page, u8 align, u64 size,
+			struct nvkm_vma **pvma);
+void nvkm_vmm_put_locked(struct nvkm_vmm *, struct nvkm_vma *);
+void nvkm_vmm_unmap_locked(struct nvkm_vmm *, struct nvkm_vma *, bool pfn);
+void nvkm_vmm_unmap_region(struct nvkm_vmm *, struct nvkm_vma *);
+
+#define NVKM_VMM_PFN_ADDR                                 0xfffffffffffff000ULL
+#define NVKM_VMM_PFN_ADDR_SHIFT                                              12
+#define NVKM_VMM_PFN_APER                                 0x00000000000000f0ULL
+#define NVKM_VMM_PFN_HOST                                 0x0000000000000000ULL
+#define NVKM_VMM_PFN_VRAM                                 0x0000000000000010ULL
+#define NVKM_VMM_PFN_A					  0x0000000000000004ULL
+#define NVKM_VMM_PFN_W                                    0x0000000000000002ULL
+#define NVKM_VMM_PFN_V                                    0x0000000000000001ULL
+#define NVKM_VMM_PFN_NONE                                 0x0000000000000000ULL
+
+int nvkm_vmm_pfn_map(struct nvkm_vmm *, u8 page, u64 addr, u64 size, u64 *pfn);
+int nvkm_vmm_pfn_unmap(struct nvkm_vmm *, u64 addr, u64 size);
+
+struct nvkm_vma *nvkm_vma_tail(struct nvkm_vma *, u64 tail);
+
+int nv04_vmm_new_(const struct nvkm_vmm_func *, struct nvkm_mmu *, u32,
+		  bool, u64, u64, void *, u32, struct lock_class_key *,
+		  const char *, struct nvkm_vmm **);
+int nv04_vmm_valid(struct nvkm_vmm *, void *, u32, struct nvkm_vmm_map *);
+
+int nv50_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
+void nv50_vmm_part(struct nvkm_vmm *, struct nvkm_memory *);
+int nv50_vmm_valid(struct nvkm_vmm *, void *, u32, struct nvkm_vmm_map *);
+void nv50_vmm_flush(struct nvkm_vmm *, int);
+
+int gf100_vmm_new_(const struct nvkm_vmm_func *, const struct nvkm_vmm_func *,
+		   struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		   struct lock_class_key *, const char *, struct nvkm_vmm **);
+int gf100_vmm_join_(struct nvkm_vmm *, struct nvkm_memory *, u64 base);
+int gf100_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
+void gf100_vmm_part(struct nvkm_vmm *, struct nvkm_memory *);
+int gf100_vmm_aper(enum nvkm_memory_target);
+int gf100_vmm_valid(struct nvkm_vmm *, void *, u32, struct nvkm_vmm_map *);
+void gf100_vmm_flush(struct nvkm_vmm *, int);
+void gf100_vmm_invalidate(struct nvkm_vmm *, u32 type);
+void gf100_vmm_invalidate_pdb(struct nvkm_vmm *, u64 addr);
+
+int gk20a_vmm_aper(enum nvkm_memory_target);
+
+int gm200_vmm_new_(const struct nvkm_vmm_func *, const struct nvkm_vmm_func *,
+		   struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		   struct lock_class_key *, const char *, struct nvkm_vmm **);
+int gm200_vmm_join_(struct nvkm_vmm *, struct nvkm_memory *, u64 base);
+int gm200_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
+
+int gp100_vmm_new_(const struct nvkm_vmm_func *,
+		   struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		   struct lock_class_key *, const char *, struct nvkm_vmm **);
+int gp100_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
+int gp100_vmm_valid(struct nvkm_vmm *, void *, u32, struct nvkm_vmm_map *);
+void gp100_vmm_flush(struct nvkm_vmm *, int);
+int gp100_vmm_mthd(struct nvkm_vmm *, struct nvkm_client *, u32, void *, u32);
+void gp100_vmm_invalidate_pdb(struct nvkm_vmm *, u64 addr);
+
+int gv100_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
+
+int nv04_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		 struct lock_class_key *, const char *, struct nvkm_vmm **);
+int nv41_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		 struct lock_class_key *, const char *, struct nvkm_vmm **);
+int nv44_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		 struct lock_class_key *, const char *, struct nvkm_vmm **);
+int nv50_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		 struct lock_class_key *, const char *, struct nvkm_vmm **);
+int mcp77_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		  struct lock_class_key *, const char *, struct nvkm_vmm **);
+int g84_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		struct lock_class_key *, const char *, struct nvkm_vmm **);
+int gf100_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		  struct lock_class_key *, const char *, struct nvkm_vmm **);
+int gk104_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		  struct lock_class_key *, const char *, struct nvkm_vmm **);
+int gk20a_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		  struct lock_class_key *, const char *, struct nvkm_vmm **);
+int gm200_vmm_new_fixed(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+			struct lock_class_key *, const char *,
+			struct nvkm_vmm **);
+int gm200_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		  struct lock_class_key *, const char *,
+		  struct nvkm_vmm **);
+int gm20b_vmm_new_fixed(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+			struct lock_class_key *, const char *,
+			struct nvkm_vmm **);
+int gm20b_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		  struct lock_class_key *, const char *,
+		  struct nvkm_vmm **);
+int gp100_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		  struct lock_class_key *, const char *,
+		  struct nvkm_vmm **);
+int gp10b_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		  struct lock_class_key *, const char *,
+		  struct nvkm_vmm **);
+int gv100_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		  struct lock_class_key *, const char *,
+		  struct nvkm_vmm **);
+int tu102_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
+		  struct lock_class_key *, const char *,
+		  struct nvkm_vmm **);
+
+#define VMM_PRINT(l,v,p,f,a...) do {                                           \
+	struct nvkm_vmm *_vmm = (v);                                           \
+	if (CONFIG_NOUVEAU_DEBUG >= (l) && _vmm->debug >= (l)) {               \
+		nvkm_printk_(&_vmm->mmu->subdev, 0, p, "%s: "f"\n",            \
+			     _vmm->name, ##a);                                 \
+	}                                                                      \
+} while(0)
+#define VMM_DEBUG(v,f,a...) VMM_PRINT(NV_DBG_DEBUG, (v), info, f, ##a)
+#define VMM_TRACE(v,f,a...) VMM_PRINT(NV_DBG_TRACE, (v), info, f, ##a)
+#define VMM_SPAM(v,f,a...)  VMM_PRINT(NV_DBG_SPAM , (v),  dbg, f, ##a)
+
+#define VMM_MAP_ITER(VMM,PT,PTEI,PTEN,MAP,FILL,BASE,SIZE,NEXT) do {            \
+	nvkm_kmap((PT)->memory);                                               \
+	while (PTEN) {                                                         \
+		u64 _ptes = ((SIZE) - MAP->off) >> MAP->page->shift;           \
+		u64 _addr = ((BASE) + MAP->off);                               \
+                                                                               \
+		if (_ptes > PTEN) {                                            \
+			MAP->off += PTEN << MAP->page->shift;                  \
+			_ptes = PTEN;                                          \
+		} else {                                                       \
+			MAP->off = 0;                                          \
+			NEXT;                                                  \
+		}                                                              \
+                                                                               \
+		VMM_SPAM(VMM, "ITER %08x %08x PTE(s)", PTEI, (u32)_ptes);      \
+                                                                               \
+		FILL(VMM, PT, PTEI, _ptes, MAP, _addr);                        \
+		PTEI += _ptes;                                                 \
+		PTEN -= _ptes;                                                 \
+	}                                                                      \
+	nvkm_done((PT)->memory);                                               \
+} while(0)
+
+#define VMM_MAP_ITER_MEM(VMM,PT,PTEI,PTEN,MAP,FILL)                            \
+	VMM_MAP_ITER(VMM,PT,PTEI,PTEN,MAP,FILL,                                \
+		     ((u64)MAP->mem->offset << NVKM_RAM_MM_SHIFT),             \
+		     ((u64)MAP->mem->length << NVKM_RAM_MM_SHIFT),             \
+		     (MAP->mem = MAP->mem->next))
+#define VMM_MAP_ITER_DMA(VMM,PT,PTEI,PTEN,MAP,FILL)                            \
+	VMM_MAP_ITER(VMM,PT,PTEI,PTEN,MAP,FILL,                                \
+		     *MAP->dma, PAGE_SIZE, MAP->dma++)
+#define VMM_MAP_ITER_SGL(VMM,PT,PTEI,PTEN,MAP,FILL)                            \
+	VMM_MAP_ITER(VMM,PT,PTEI,PTEN,MAP,FILL,                                \
+		     sg_dma_address(MAP->sgl), sg_dma_len(MAP->sgl),           \
+		     (MAP->sgl = sg_next(MAP->sgl)))
+
+#define VMM_FO(m,o,d,c,b) nvkm_fo##b((m)->memory, (o), (d), (c))
+#define VMM_WO(m,o,d,c,b) nvkm_wo##b((m)->memory, (o), (d))
+#define VMM_XO(m,v,o,d,c,b,fn,f,a...) do {                                     \
+	const u32 _pteo = (o); u##b _data = (d);                               \
+	VMM_SPAM((v), "   %010llx "f, (m)->addr + _pteo, _data, ##a);          \
+	VMM_##fn((m), (m)->base + _pteo, _data, (c), b);                       \
+} while(0)
+
+#define VMM_WO032(m,v,o,d) VMM_XO((m),(v),(o),(d),  1, 32, WO, "%08x")
+#define VMM_FO032(m,v,o,d,c)                                                   \
+	VMM_XO((m),(v),(o),(d),(c), 32, FO, "%08x %08x", (c))
+
+#define VMM_WO064(m,v,o,d) VMM_XO((m),(v),(o),(d),  1, 64, WO, "%016llx")
+#define VMM_FO064(m,v,o,d,c)                                                   \
+	VMM_XO((m),(v),(o),(d),(c), 64, FO, "%016llx %08x", (c))
+
+#define VMM_XO128(m,v,o,lo,hi,c,f,a...) do {                                   \
+	u32 _pteo = (o), _ptes = (c);                                          \
+	const u64 _addr = (m)->addr + _pteo;                                   \
+	VMM_SPAM((v), "   %010llx %016llx%016llx"f, _addr, (hi), (lo), ##a);   \
+	while (_ptes--) {                                                      \
+		nvkm_wo64((m)->memory, (m)->base + _pteo + 0, (lo));           \
+		nvkm_wo64((m)->memory, (m)->base + _pteo + 8, (hi));           \
+		_pteo += 0x10;                                                 \
+	}                                                                      \
+} while(0)
+
+#define VMM_WO128(m,v,o,lo,hi) VMM_XO128((m),(v),(o),(lo),(hi), 1, "")
+#define VMM_FO128(m,v,o,lo,hi,c) do {                                          \
+	nvkm_kmap((m)->memory);                                                \
+	VMM_XO128((m),(v),(o),(lo),(hi),(c), " %08x", (c));                    \
+	nvkm_done((m)->memory);                                                \
+} while(0)
+#endif