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1/*2 * Copyright 2017 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 */22#include "vmm.h"23 24#include <core/client.h>25#include <subdev/fb.h>26#include <subdev/ltc.h>27#include <subdev/timer.h>28#include <engine/gr.h>29 30#include <nvif/ifc00d.h>31#include <nvif/unpack.h>32 33static void34gp100_vmm_pfn_unmap(struct nvkm_vmm *vmm,35		    struct nvkm_mmu_pt *pt, u32 ptei, u32 ptes)36{37	struct device *dev = vmm->mmu->subdev.device->dev;38	dma_addr_t addr;39 40	nvkm_kmap(pt->memory);41	while (ptes--) {42		u32 datalo = nvkm_ro32(pt->memory, pt->base + ptei * 8 + 0);43		u32 datahi = nvkm_ro32(pt->memory, pt->base + ptei * 8 + 4);44		u64 data   = (u64)datahi << 32 | datalo;45		if ((data & (3ULL << 1)) != 0) {46			addr = (data >> 8) << 12;47			dma_unmap_page(dev, addr, PAGE_SIZE, DMA_BIDIRECTIONAL);48		}49		ptei++;50	}51	nvkm_done(pt->memory);52}53 54static bool55gp100_vmm_pfn_clear(struct nvkm_vmm *vmm,56		    struct nvkm_mmu_pt *pt, u32 ptei, u32 ptes)57{58	bool dma = false;59	nvkm_kmap(pt->memory);60	while (ptes--) {61		u32 datalo = nvkm_ro32(pt->memory, pt->base + ptei * 8 + 0);62		u32 datahi = nvkm_ro32(pt->memory, pt->base + ptei * 8 + 4);63		u64 data   = (u64)datahi << 32 | datalo;64		if ((data & BIT_ULL(0)) && (data & (3ULL << 1)) != 0) {65			VMM_WO064(pt, vmm, ptei * 8, data & ~BIT_ULL(0));66			dma = true;67		}68		ptei++;69	}70	nvkm_done(pt->memory);71	return dma;72}73 74static void75gp100_vmm_pgt_pfn(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,76		  u32 ptei, u32 ptes, struct nvkm_vmm_map *map)77{78	struct device *dev = vmm->mmu->subdev.device->dev;79	dma_addr_t addr;80 81	nvkm_kmap(pt->memory);82	for (; ptes; ptes--, map->pfn++) {83		u64 data = 0;84 85		if (!(*map->pfn & NVKM_VMM_PFN_V))86			continue;87 88		if (!(*map->pfn & NVKM_VMM_PFN_W))89			data |= BIT_ULL(6); /* RO. */90 91		if (!(*map->pfn & NVKM_VMM_PFN_A))92			data |= BIT_ULL(7); /* Atomic disable. */93 94		if (!(*map->pfn & NVKM_VMM_PFN_VRAM)) {95			addr = *map->pfn >> NVKM_VMM_PFN_ADDR_SHIFT;96			addr = dma_map_page(dev, pfn_to_page(addr), 0,97					    PAGE_SIZE, DMA_BIDIRECTIONAL);98			if (!WARN_ON(dma_mapping_error(dev, addr))) {99				data |= addr >> 4;100				data |= 2ULL << 1; /* SYSTEM_COHERENT_MEMORY. */101				data |= BIT_ULL(3); /* VOL. */102				data |= BIT_ULL(0); /* VALID. */103			}104		} else {105			data |= (*map->pfn & NVKM_VMM_PFN_ADDR) >> 4;106			data |= BIT_ULL(0); /* VALID. */107		}108 109		VMM_WO064(pt, vmm, ptei++ * 8, data);110	}111	nvkm_done(pt->memory);112}113 114static inline void115gp100_vmm_pgt_pte(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,116		  u32 ptei, u32 ptes, struct nvkm_vmm_map *map, u64 addr)117{118	u64 data = (addr >> 4) | map->type;119 120	map->type += ptes * map->ctag;121 122	while (ptes--) {123		VMM_WO064(pt, vmm, ptei++ * 8, data);124		data += map->next;125	}126}127 128static void129gp100_vmm_pgt_sgl(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,130		  u32 ptei, u32 ptes, struct nvkm_vmm_map *map)131{132	VMM_MAP_ITER_SGL(vmm, pt, ptei, ptes, map, gp100_vmm_pgt_pte);133}134 135static void136gp100_vmm_pgt_dma(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,137		  u32 ptei, u32 ptes, struct nvkm_vmm_map *map)138{139	if (map->page->shift == PAGE_SHIFT) {140		VMM_SPAM(vmm, "DMAA %08x %08x PTE(s)", ptei, ptes);141		nvkm_kmap(pt->memory);142		while (ptes--) {143			const u64 data = (*map->dma++ >> 4) | map->type;144			VMM_WO064(pt, vmm, ptei++ * 8, data);145			map->type += map->ctag;146		}147		nvkm_done(pt->memory);148		return;149	}150 151	VMM_MAP_ITER_DMA(vmm, pt, ptei, ptes, map, gp100_vmm_pgt_pte);152}153 154static void155gp100_vmm_pgt_mem(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,156		  u32 ptei, u32 ptes, struct nvkm_vmm_map *map)157{158	VMM_MAP_ITER_MEM(vmm, pt, ptei, ptes, map, gp100_vmm_pgt_pte);159}160 161static void162gp100_vmm_pgt_sparse(struct nvkm_vmm *vmm,163		     struct nvkm_mmu_pt *pt, u32 ptei, u32 ptes)164{165	/* VALID_FALSE + VOL tells the MMU to treat the PTE as sparse. */166	VMM_FO064(pt, vmm, ptei * 8, BIT_ULL(3) /* VOL. */, ptes);167}168 169static const struct nvkm_vmm_desc_func170gp100_vmm_desc_spt = {171	.unmap = gf100_vmm_pgt_unmap,172	.sparse = gp100_vmm_pgt_sparse,173	.mem = gp100_vmm_pgt_mem,174	.dma = gp100_vmm_pgt_dma,175	.sgl = gp100_vmm_pgt_sgl,176	.pfn = gp100_vmm_pgt_pfn,177	.pfn_clear = gp100_vmm_pfn_clear,178	.pfn_unmap = gp100_vmm_pfn_unmap,179};180 181static void182gp100_vmm_lpt_invalid(struct nvkm_vmm *vmm,183		      struct nvkm_mmu_pt *pt, u32 ptei, u32 ptes)184{185	/* VALID_FALSE + PRIV tells the MMU to ignore corresponding SPTEs. */186	VMM_FO064(pt, vmm, ptei * 8, BIT_ULL(5) /* PRIV. */, ptes);187}188 189static const struct nvkm_vmm_desc_func190gp100_vmm_desc_lpt = {191	.invalid = gp100_vmm_lpt_invalid,192	.unmap = gf100_vmm_pgt_unmap,193	.sparse = gp100_vmm_pgt_sparse,194	.mem = gp100_vmm_pgt_mem,195};196 197static inline void198gp100_vmm_pd0_pte(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,199		  u32 ptei, u32 ptes, struct nvkm_vmm_map *map, u64 addr)200{201	u64 data = (addr >> 4) | map->type;202 203	map->type += ptes * map->ctag;204 205	while (ptes--) {206		VMM_WO128(pt, vmm, ptei++ * 0x10, data, 0ULL);207		data += map->next;208	}209}210 211static void212gp100_vmm_pd0_mem(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,213		  u32 ptei, u32 ptes, struct nvkm_vmm_map *map)214{215	VMM_MAP_ITER_MEM(vmm, pt, ptei, ptes, map, gp100_vmm_pd0_pte);216}217 218static inline bool219gp100_vmm_pde(struct nvkm_mmu_pt *pt, u64 *data)220{221	switch (nvkm_memory_target(pt->memory)) {222	case NVKM_MEM_TARGET_VRAM: *data |= 1ULL << 1; break;223	case NVKM_MEM_TARGET_HOST: *data |= 2ULL << 1;224		*data |= BIT_ULL(3); /* VOL. */225		break;226	case NVKM_MEM_TARGET_NCOH: *data |= 3ULL << 1; break;227	default:228		WARN_ON(1);229		return false;230	}231	*data |= pt->addr >> 4;232	return true;233}234 235static void236gp100_vmm_pd0_pde(struct nvkm_vmm *vmm, struct nvkm_vmm_pt *pgd, u32 pdei)237{238	struct nvkm_vmm_pt *pgt = pgd->pde[pdei];239	struct nvkm_mmu_pt *pd = pgd->pt[0];240	u64 data[2] = {};241 242	if (pgt->pt[0] && !gp100_vmm_pde(pgt->pt[0], &data[0]))243		return;244	if (pgt->pt[1] && !gp100_vmm_pde(pgt->pt[1], &data[1]))245		return;246 247	nvkm_kmap(pd->memory);248	VMM_WO128(pd, vmm, pdei * 0x10, data[0], data[1]);249	nvkm_done(pd->memory);250}251 252static void253gp100_vmm_pd0_sparse(struct nvkm_vmm *vmm,254		     struct nvkm_mmu_pt *pt, u32 pdei, u32 pdes)255{256	/* VALID_FALSE + VOL_BIG tells the MMU to treat the PDE as sparse. */257	VMM_FO128(pt, vmm, pdei * 0x10, BIT_ULL(3) /* VOL_BIG. */, 0ULL, pdes);258}259 260static void261gp100_vmm_pd0_unmap(struct nvkm_vmm *vmm,262		    struct nvkm_mmu_pt *pt, u32 pdei, u32 pdes)263{264	VMM_FO128(pt, vmm, pdei * 0x10, 0ULL, 0ULL, pdes);265}266 267static void268gp100_vmm_pd0_pfn_unmap(struct nvkm_vmm *vmm,269			struct nvkm_mmu_pt *pt, u32 ptei, u32 ptes)270{271	struct device *dev = vmm->mmu->subdev.device->dev;272	dma_addr_t addr;273 274	nvkm_kmap(pt->memory);275	while (ptes--) {276		u32 datalo = nvkm_ro32(pt->memory, pt->base + ptei * 16 + 0);277		u32 datahi = nvkm_ro32(pt->memory, pt->base + ptei * 16 + 4);278		u64 data   = (u64)datahi << 32 | datalo;279 280		if ((data & (3ULL << 1)) != 0) {281			addr = (data >> 8) << 12;282			dma_unmap_page(dev, addr, 1UL << 21, DMA_BIDIRECTIONAL);283		}284		ptei++;285	}286	nvkm_done(pt->memory);287}288 289static bool290gp100_vmm_pd0_pfn_clear(struct nvkm_vmm *vmm,291			struct nvkm_mmu_pt *pt, u32 ptei, u32 ptes)292{293	bool dma = false;294 295	nvkm_kmap(pt->memory);296	while (ptes--) {297		u32 datalo = nvkm_ro32(pt->memory, pt->base + ptei * 16 + 0);298		u32 datahi = nvkm_ro32(pt->memory, pt->base + ptei * 16 + 4);299		u64 data   = (u64)datahi << 32 | datalo;300 301		if ((data & BIT_ULL(0)) && (data & (3ULL << 1)) != 0) {302			VMM_WO064(pt, vmm, ptei * 16, data & ~BIT_ULL(0));303			dma = true;304		}305		ptei++;306	}307	nvkm_done(pt->memory);308	return dma;309}310 311static void312gp100_vmm_pd0_pfn(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,313		  u32 ptei, u32 ptes, struct nvkm_vmm_map *map)314{315	struct device *dev = vmm->mmu->subdev.device->dev;316	dma_addr_t addr;317 318	nvkm_kmap(pt->memory);319	for (; ptes; ptes--, map->pfn++) {320		u64 data = 0;321 322		if (!(*map->pfn & NVKM_VMM_PFN_V))323			continue;324 325		if (!(*map->pfn & NVKM_VMM_PFN_W))326			data |= BIT_ULL(6); /* RO. */327 328		if (!(*map->pfn & NVKM_VMM_PFN_A))329			data |= BIT_ULL(7); /* Atomic disable. */330 331		if (!(*map->pfn & NVKM_VMM_PFN_VRAM)) {332			addr = *map->pfn >> NVKM_VMM_PFN_ADDR_SHIFT;333			addr = dma_map_page(dev, pfn_to_page(addr), 0,334					    1UL << 21, DMA_BIDIRECTIONAL);335			if (!WARN_ON(dma_mapping_error(dev, addr))) {336				data |= addr >> 4;337				data |= 2ULL << 1; /* SYSTEM_COHERENT_MEMORY. */338				data |= BIT_ULL(3); /* VOL. */339				data |= BIT_ULL(0); /* VALID. */340			}341		} else {342			data |= (*map->pfn & NVKM_VMM_PFN_ADDR) >> 4;343			data |= BIT_ULL(0); /* VALID. */344		}345 346		VMM_WO064(pt, vmm, ptei++ * 16, data);347	}348	nvkm_done(pt->memory);349}350 351static const struct nvkm_vmm_desc_func352gp100_vmm_desc_pd0 = {353	.unmap = gp100_vmm_pd0_unmap,354	.sparse = gp100_vmm_pd0_sparse,355	.pde = gp100_vmm_pd0_pde,356	.mem = gp100_vmm_pd0_mem,357	.pfn = gp100_vmm_pd0_pfn,358	.pfn_clear = gp100_vmm_pd0_pfn_clear,359	.pfn_unmap = gp100_vmm_pd0_pfn_unmap,360};361 362static void363gp100_vmm_pd1_pde(struct nvkm_vmm *vmm, struct nvkm_vmm_pt *pgd, u32 pdei)364{365	struct nvkm_vmm_pt *pgt = pgd->pde[pdei];366	struct nvkm_mmu_pt *pd = pgd->pt[0];367	u64 data = 0;368 369	if (!gp100_vmm_pde(pgt->pt[0], &data))370		return;371 372	nvkm_kmap(pd->memory);373	VMM_WO064(pd, vmm, pdei * 8, data);374	nvkm_done(pd->memory);375}376 377static const struct nvkm_vmm_desc_func378gp100_vmm_desc_pd1 = {379	.unmap = gf100_vmm_pgt_unmap,380	.sparse = gp100_vmm_pgt_sparse,381	.pde = gp100_vmm_pd1_pde,382};383 384const struct nvkm_vmm_desc385gp100_vmm_desc_16[] = {386	{ LPT, 5,  8, 0x0100, &gp100_vmm_desc_lpt },387	{ PGD, 8, 16, 0x1000, &gp100_vmm_desc_pd0 },388	{ PGD, 9,  8, 0x1000, &gp100_vmm_desc_pd1 },389	{ PGD, 9,  8, 0x1000, &gp100_vmm_desc_pd1 },390	{ PGD, 2,  8, 0x1000, &gp100_vmm_desc_pd1 },391	{}392};393 394const struct nvkm_vmm_desc395gp100_vmm_desc_12[] = {396	{ SPT, 9,  8, 0x1000, &gp100_vmm_desc_spt },397	{ PGD, 8, 16, 0x1000, &gp100_vmm_desc_pd0 },398	{ PGD, 9,  8, 0x1000, &gp100_vmm_desc_pd1 },399	{ PGD, 9,  8, 0x1000, &gp100_vmm_desc_pd1 },400	{ PGD, 2,  8, 0x1000, &gp100_vmm_desc_pd1 },401	{}402};403 404int405gp100_vmm_valid(struct nvkm_vmm *vmm, void *argv, u32 argc,406		struct nvkm_vmm_map *map)407{408	const enum nvkm_memory_target target = nvkm_memory_target(map->memory);409	const struct nvkm_vmm_page *page = map->page;410	union {411		struct gp100_vmm_map_vn vn;412		struct gp100_vmm_map_v0 v0;413	} *args = argv;414	struct nvkm_device *device = vmm->mmu->subdev.device;415	struct nvkm_memory *memory = map->memory;416	u8  kind, kind_inv, priv, ro, vol;417	int kindn, aper, ret = -ENOSYS;418	const u8 *kindm;419 420	map->next = (1ULL << page->shift) >> 4;421	map->type = 0;422 423	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {424		vol  = !!args->v0.vol;425		ro   = !!args->v0.ro;426		priv = !!args->v0.priv;427		kind =   args->v0.kind;428	} else429	if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) {430		vol  = target == NVKM_MEM_TARGET_HOST;431		ro   = 0;432		priv = 0;433		kind = 0x00;434	} else {435		VMM_DEBUG(vmm, "args");436		return ret;437	}438 439	aper = vmm->func->aper(target);440	if (WARN_ON(aper < 0))441		return aper;442 443	kindm = vmm->mmu->func->kind(vmm->mmu, &kindn, &kind_inv);444	if (kind >= kindn || kindm[kind] == kind_inv) {445		VMM_DEBUG(vmm, "kind %02x", kind);446		return -EINVAL;447	}448 449	if (kindm[kind] != kind) {450		u64 tags = nvkm_memory_size(memory) >> 16;451		if (aper != 0 || !(page->type & NVKM_VMM_PAGE_COMP)) {452			VMM_DEBUG(vmm, "comp %d %02x", aper, page->type);453			return -EINVAL;454		}455 456		if (!map->no_comp) {457			ret = nvkm_memory_tags_get(memory, device, tags,458						   nvkm_ltc_tags_clear,459						   &map->tags);460			if (ret) {461				VMM_DEBUG(vmm, "comp %d", ret);462				return ret;463			}464		}465 466		if (!map->no_comp && map->tags->mn) {467			tags = map->tags->mn->offset + (map->offset >> 16);468			map->ctag |= ((1ULL << page->shift) >> 16) << 36;469			map->type |= tags << 36;470			map->next |= map->ctag;471		} else {472			kind = kindm[kind];473		}474	}475 476	map->type |= BIT(0);477	map->type |= (u64)aper << 1;478	map->type |= (u64) vol << 3;479	map->type |= (u64)priv << 5;480	map->type |= (u64)  ro << 6;481	map->type |= (u64)kind << 56;482	return 0;483}484 485static int486gp100_vmm_fault_cancel(struct nvkm_vmm *vmm, void *argv, u32 argc)487{488	struct nvkm_device *device = vmm->mmu->subdev.device;489	union {490		struct gp100_vmm_fault_cancel_v0 v0;491	} *args = argv;492	int ret = -ENOSYS;493	u32 aper;494 495	if ((ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false)))496		return ret;497 498	/* Translate MaxwellFaultBufferA instance pointer to the same499	 * format as the NV_GR_FECS_CURRENT_CTX register.500	 */501	aper = (args->v0.inst >> 8) & 3;502	args->v0.inst >>= 12;503	args->v0.inst |= aper << 28;504	args->v0.inst |= 0x80000000;505 506	if (!WARN_ON(nvkm_gr_ctxsw_pause(device))) {507		if (nvkm_gr_ctxsw_inst(device) == args->v0.inst) {508			gf100_vmm_invalidate(vmm, 0x0000001b509					     /* CANCEL_TARGETED. */ |510					     (args->v0.hub    << 20) |511					     (args->v0.gpc    << 15) |512					     (args->v0.client << 9));513		}514		WARN_ON(nvkm_gr_ctxsw_resume(device));515	}516 517	return 0;518}519 520static int521gp100_vmm_fault_replay(struct nvkm_vmm *vmm, void *argv, u32 argc)522{523	union {524		struct gp100_vmm_fault_replay_vn vn;525	} *args = argv;526	int ret = -ENOSYS;527 528	if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) {529		gf100_vmm_invalidate(vmm, 0x0000000b); /* REPLAY_GLOBAL. */530	}531 532	return ret;533}534 535int536gp100_vmm_mthd(struct nvkm_vmm *vmm,537	       struct nvkm_client *client, u32 mthd, void *argv, u32 argc)538{539	switch (mthd) {540	case GP100_VMM_VN_FAULT_REPLAY:541		return gp100_vmm_fault_replay(vmm, argv, argc);542	case GP100_VMM_VN_FAULT_CANCEL:543		return gp100_vmm_fault_cancel(vmm, argv, argc);544	default:545		break;546	}547	return -EINVAL;548}549 550void551gp100_vmm_invalidate_pdb(struct nvkm_vmm *vmm, u64 addr)552{553	struct nvkm_device *device = vmm->mmu->subdev.device;554	nvkm_wr32(device, 0x100cb8, lower_32_bits(addr));555	nvkm_wr32(device, 0x100cec, upper_32_bits(addr));556}557 558void559gp100_vmm_flush(struct nvkm_vmm *vmm, int depth)560{561	u32 type = 0;562	if (atomic_read(&vmm->engref[NVKM_SUBDEV_BAR]))563		type |= 0x00000004; /* HUB_ONLY */564	type |= 0x00000001; /* PAGE_ALL */565	gf100_vmm_invalidate(vmm, type);566}567 568int569gp100_vmm_join(struct nvkm_vmm *vmm, struct nvkm_memory *inst)570{571	u64 base = BIT_ULL(10) /* VER2 */ | BIT_ULL(11) /* 64KiB */;572	if (vmm->replay) {573		base |= BIT_ULL(4); /* FAULT_REPLAY_TEX */574		base |= BIT_ULL(5); /* FAULT_REPLAY_GCC */575	}576	return gf100_vmm_join_(vmm, inst, base);577}578 579static const struct nvkm_vmm_func580gp100_vmm = {581	.join = gp100_vmm_join,582	.part = gf100_vmm_part,583	.aper = gf100_vmm_aper,584	.valid = gp100_vmm_valid,585	.flush = gp100_vmm_flush,586	.mthd = gp100_vmm_mthd,587	.invalidate_pdb = gp100_vmm_invalidate_pdb,588	.page = {589		{ 47, &gp100_vmm_desc_16[4], NVKM_VMM_PAGE_Sxxx },590		{ 38, &gp100_vmm_desc_16[3], NVKM_VMM_PAGE_Sxxx },591		{ 29, &gp100_vmm_desc_16[2], NVKM_VMM_PAGE_Sxxx },592		{ 21, &gp100_vmm_desc_16[1], NVKM_VMM_PAGE_SVxC },593		{ 16, &gp100_vmm_desc_16[0], NVKM_VMM_PAGE_SVxC },594		{ 12, &gp100_vmm_desc_12[0], NVKM_VMM_PAGE_SVHx },595		{}596	}597};598 599int600gp100_vmm_new_(const struct nvkm_vmm_func *func,601	       struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,602	       void *argv, u32 argc, struct lock_class_key *key,603	       const char *name, struct nvkm_vmm **pvmm)604{605	union {606		struct gp100_vmm_vn vn;607		struct gp100_vmm_v0 v0;608	} *args = argv;609	int ret = -ENOSYS;610	bool replay;611 612	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {613		replay = args->v0.fault_replay != 0;614	} else615	if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) {616		replay = false;617	} else618		return ret;619 620	ret = nvkm_vmm_new_(func, mmu, 0, managed, addr, size, key, name, pvmm);621	if (ret)622		return ret;623 624	(*pvmm)->replay = replay;625	return 0;626}627 628int629gp100_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,630	      void *argv, u32 argc, struct lock_class_key *key,631	      const char *name, struct nvkm_vmm **pvmm)632{633	return gp100_vmm_new_(&gp100_vmm, mmu, managed, addr, size,634			      argv, argc, key, name, pvmm);635}636