From fd542a3e525c9f7a7de186cb24208c035bcea2d1 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Wed, 1 Nov 2017 03:56:19 +1000 Subject: [PATCH] drm/nouveau/mmu/nv50,g84: implement new vmm backend Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/include/nvif/if500d.h | 13 + .../gpu/drm/nouveau/nvkm/subdev/mmu/base.c | 19 ++ drivers/gpu/drm/nouveau/nvkm/subdev/mmu/g84.c | 6 +- .../gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c | 213 ++----------- .../gpu/drm/nouveau/nvkm/subdev/mmu/priv.h | 10 +- .../gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv50.c | 293 +++++++++++++++++- 6 files changed, 360 insertions(+), 194 deletions(-) diff --git a/drivers/gpu/drm/nouveau/include/nvif/if500d.h b/drivers/gpu/drm/nouveau/include/nvif/if500d.h index 6a0f47770745..c29a7822b363 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/if500d.h +++ b/drivers/gpu/drm/nouveau/include/nvif/if500d.h @@ -5,4 +5,17 @@ struct nv50_vmm_vn { /* nvif_vmm_vX ... */ }; + +struct nv50_vmm_map_vn { + /* nvif_vmm_map_vX ... */ +}; + +struct nv50_vmm_map_v0 { + /* nvif_vmm_map_vX ... */ + __u8 version; + __u8 ro; + __u8 priv; + __u8 kind; + __u8 comp; +}; #endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c index 536187952372..4d75dcb41468 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c @@ -27,6 +27,8 @@ #include #include +#include + struct nvkm_mmu_ptp { struct nvkm_mmu_pt *pt; struct list_head head; @@ -218,6 +220,9 @@ nvkm_vm_map_(const struct nvkm_vmm_page *page, struct nvkm_vma *vma, u64 delta, struct nvkm_mem *mem, nvkm_vmm_pte_func fn, struct nvkm_vmm_map *map) { + union { + struct nv50_vmm_map_v0 nv50; + } args; struct nvkm_vmm *vmm = vma->vm; void *argv = NULL; u32 argc = 0; @@ -227,6 +232,20 @@ nvkm_vm_map_(const struct nvkm_vmm_page *page, struct nvkm_vma *vma, u64 delta, map->page = page; if (vmm->func->valid) { + switch (vmm->mmu->subdev.device->card_type) { + case NV_50: + args.nv50.version = 0; + args.nv50.ro = !(vma->access & NV_MEM_ACCESS_WO); + args.nv50.priv = !!(vma->access & NV_MEM_ACCESS_SYS); + args.nv50.kind = (mem->memtype & 0x07f); + args.nv50.comp = (mem->memtype & 0x180) >> 7; + argv = &args.nv50; + argc = sizeof(args.nv50); + break; + default: + break; + } + ret = vmm->func->valid(vmm, argv, argc, map); if (WARN_ON(ret)) return; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/g84.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/g84.c index 13f8247a2ee4..e436c610b3df 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/g84.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/g84.c @@ -30,12 +30,8 @@ g84_mmu = { .pgt_bits = 29 - 12, .spg_shift = 12, .lpg_shift = 16, - .map_pgt = nv50_vm_map_pgt, - .map = nv50_vm_map, - .map_sg = nv50_vm_map_sg, - .unmap = nv50_vm_unmap, - .flush = nv50_vm_flush, .vmm = {{ -1, -1, NVIF_CLASS_VMM_NV50}, nv50_vmm_new, false, 0x0200 }, + .kind = nv50_mmu_kind, }; int diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c index da75d1da0658..31d6f9626e56 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c @@ -23,185 +23,40 @@ */ #include "vmm.h" -#include -#include -#include -#include - #include -void -nv50_vm_map_pgt(struct nvkm_vmm *vmm, u32 pde, struct nvkm_memory *pgt[2]) -{ - struct nvkm_vmm_join *join; - u32 pdeo = vmm->mmu->func->vmm.pd_offset + (pde * 8); - u64 phys = 0xdeadcafe00000000ULL; - u32 coverage = 0; - - if (pgt[0]) { - /* present, 4KiB pages */ - phys = 0x00000003 | nvkm_memory_addr(pgt[0]); - coverage = (nvkm_memory_size(pgt[0]) >> 3) << 12; - } else - if (pgt[1]) { - /* present, 64KiB pages */ - phys = 0x00000001 | nvkm_memory_addr(pgt[1]); - coverage = (nvkm_memory_size(pgt[1]) >> 3) << 16; - } - - if (phys & 1) { - if (coverage <= 32 * 1024 * 1024) - phys |= 0x60; - else if (coverage <= 64 * 1024 * 1024) - phys |= 0x40; - else if (coverage <= 128 * 1024 * 1024) - phys |= 0x20; - } - - list_for_each_entry(join, &vmm->join, head) { - nvkm_kmap(join->inst); - nvkm_wo32(join->inst, pdeo + 0, lower_32_bits(phys)); - nvkm_wo32(join->inst, pdeo + 4, upper_32_bits(phys)); - nvkm_done(join->inst); - } -} - -static inline u64 -vm_addr(struct nvkm_vma *vma, u64 phys, u32 memtype, u32 target) +const u8 * +nv50_mmu_kind(struct nvkm_mmu *base, int *count) { - phys |= 1; /* present */ - phys |= (u64)memtype << 40; - phys |= target << 4; - if (vma->access & NV_MEM_ACCESS_SYS) - phys |= (1 << 6); - if (!(vma->access & NV_MEM_ACCESS_WO)) - phys |= (1 << 3); - return phys; -} - -void -nv50_vm_map(struct nvkm_vma *vma, struct nvkm_memory *pgt, - struct nvkm_mem *mem, u32 pte, u32 cnt, u64 phys, u64 delta) -{ - struct nvkm_ram *ram = vma->vm->mmu->subdev.device->fb->ram; - u32 comp = (mem->memtype & 0x180) >> 7; - u32 block, target; - int i; - - /* IGPs don't have real VRAM, re-target to stolen system memory */ - target = 0; - if (ram->stolen) { - phys += ram->stolen; - target = 3; - } - - phys = vm_addr(vma, phys, mem->memtype, target); - pte <<= 3; - cnt <<= 3; - - nvkm_kmap(pgt); - while (cnt) { - u32 offset_h = upper_32_bits(phys); - u32 offset_l = lower_32_bits(phys); - - for (i = 7; i >= 0; i--) { - block = 1 << (i + 3); - if (cnt >= block && !(pte & (block - 1))) - break; - } - offset_l |= (i << 7); - - phys += block << (vma->node->type - 3); - cnt -= block; - if (comp) { - u32 tag = mem->tag->offset + ((delta >> 16) * comp); - offset_h |= (tag << 17); - delta += block << (vma->node->type - 3); - } - - while (block) { - nvkm_wo32(pgt, pte + 0, offset_l); - nvkm_wo32(pgt, pte + 4, offset_h); - pte += 8; - block -= 8; - } - } - nvkm_done(pgt); -} - -void -nv50_vm_map_sg(struct nvkm_vma *vma, struct nvkm_memory *pgt, - struct nvkm_mem *mem, u32 pte, u32 cnt, dma_addr_t *list) -{ - u32 target = (vma->access & NV_MEM_ACCESS_NOSNOOP) ? 3 : 2; - pte <<= 3; - nvkm_kmap(pgt); - while (cnt--) { - u64 phys = vm_addr(vma, (u64)*list++, mem->memtype, target); - nvkm_wo32(pgt, pte + 0, lower_32_bits(phys)); - nvkm_wo32(pgt, pte + 4, upper_32_bits(phys)); - pte += 8; - } - nvkm_done(pgt); -} - -void -nv50_vm_unmap(struct nvkm_vma *vma, struct nvkm_memory *pgt, u32 pte, u32 cnt) -{ - pte <<= 3; - nvkm_kmap(pgt); - while (cnt--) { - nvkm_wo32(pgt, pte + 0, 0x00000000); - nvkm_wo32(pgt, pte + 4, 0x00000000); - pte += 8; - } - nvkm_done(pgt); -} - -void -nv50_vm_flush(struct nvkm_vm *vm) -{ - struct nvkm_mmu *mmu = vm->mmu; - struct nvkm_subdev *subdev = &mmu->subdev; - struct nvkm_device *device = subdev->device; - int i, vme; - - mutex_lock(&subdev->mutex); - for (i = 0; i < NVKM_SUBDEV_NR; i++) { - if (!atomic_read(&vm->engref[i])) - continue; - - /* unfortunate hw bug workaround... */ - if (i == NVKM_ENGINE_GR && device->gr) { - int ret = nvkm_gr_tlb_flush(device->gr); - if (ret != -ENODEV) - continue; - } - - switch (i) { - case NVKM_ENGINE_GR : vme = 0x00; break; - case NVKM_ENGINE_VP : - case NVKM_ENGINE_MSPDEC: vme = 0x01; break; - case NVKM_SUBDEV_BAR : vme = 0x06; break; - case NVKM_ENGINE_MSPPP : - case NVKM_ENGINE_MPEG : vme = 0x08; break; - case NVKM_ENGINE_BSP : - case NVKM_ENGINE_MSVLD : vme = 0x09; break; - case NVKM_ENGINE_CIPHER: - case NVKM_ENGINE_SEC : vme = 0x0a; break; - case NVKM_ENGINE_CE0 : vme = 0x0d; break; - default: - continue; - } - - nvkm_wr32(device, 0x100c80, (vme << 16) | 1); - if (nvkm_msec(device, 2000, - if (!(nvkm_rd32(device, 0x100c80) & 0x00000001)) - break; - ) < 0) - nvkm_error(subdev, "vm flush timeout: engine %d\n", vme); - } - mutex_unlock(&subdev->mutex); + /* 0x01: no bank swizzle + * 0x02: bank swizzled + * 0x7f: invalid + * + * 0x01/0x02 are values understood by the VRAM allocator, + * and are required to avoid mixing the two types within + * a certain range. + */ + static const u8 + kind[128] = { + 0x01, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, /* 0x00 */ + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x01, 0x01, 0x01, 0x01, 0x7f, 0x7f, 0x7f, 0x7f, /* 0x10 */ + 0x02, 0x02, 0x02, 0x02, 0x7f, 0x7f, 0x7f, 0x7f, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x7f, /* 0x20 */ + 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, /* 0x30 */ + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, /* 0x40 */ + 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x01, 0x01, 0x01, 0x7f, /* 0x50 */ + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x7f, /* 0x60 */ + 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, + 0x01, 0x7f, 0x02, 0x7f, 0x01, 0x7f, 0x02, 0x7f, /* 0x70 */ + 0x01, 0x01, 0x02, 0x02, 0x01, 0x01, 0x7f, 0x7f + }; + *count = ARRAY_SIZE(kind); + return kind; } static const struct nvkm_mmu_func @@ -211,12 +66,8 @@ nv50_mmu = { .pgt_bits = 29 - 12, .spg_shift = 12, .lpg_shift = 16, - .map_pgt = nv50_vm_map_pgt, - .map = nv50_vm_map, - .map_sg = nv50_vm_map_sg, - .unmap = nv50_vm_unmap, - .flush = nv50_vm_flush, .vmm = {{ -1, -1, NVIF_CLASS_VMM_NV50}, nv50_vmm_new, false, 0x1400 }, + .kind = nv50_mmu_kind, }; int diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h index 3271ec1c3c83..326781246714 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h @@ -37,17 +37,13 @@ struct nvkm_mmu_func { bool global; u32 pd_offset; } vmm; + + const u8 *(*kind)(struct nvkm_mmu *, int *count); }; extern const struct nvkm_mmu_func nv04_mmu; -void nv50_vm_map_pgt(struct nvkm_vmm *, u32, struct nvkm_memory **); -void nv50_vm_map(struct nvkm_vma *, struct nvkm_memory *, struct nvkm_mem *, - u32, u32, u64, u64); -void nv50_vm_map_sg(struct nvkm_vma *, struct nvkm_memory *, struct nvkm_mem *, - u32, u32, dma_addr_t *); -void nv50_vm_unmap(struct nvkm_vma *, struct nvkm_memory *, u32, u32); -void nv50_vm_flush(struct nvkm_vm *); +const u8 *nv50_mmu_kind(struct nvkm_mmu *, int *count); void gf100_vm_map_pgt(struct nvkm_vmm *, u32, struct nvkm_memory **); void gf100_vm_map(struct nvkm_vma *, struct nvkm_memory *, struct nvkm_mem *, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv50.c index db27381b67c6..863a2edd9861 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv50.c @@ -21,15 +21,146 @@ */ #include "vmm.h" +#include +#include +#include + #include #include +static inline void +nv50_vmm_pgt_pte(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt, + u32 ptei, u32 ptes, struct nvkm_vmm_map *map, u64 addr) +{ + u64 next = addr | map->type, data; + u32 pten; + int log2blk; + + map->type += ptes * map->ctag; + + while (ptes) { + for (log2blk = 7; log2blk >= 0; log2blk--) { + pten = 1 << log2blk; + if (ptes >= pten && IS_ALIGNED(ptei, pten)) + break; + } + + data = next | (log2blk << 7); + next += pten * map->next; + ptes -= pten; + + while (pten--) + VMM_WO064(pt, vmm, ptei++ * 8, data); + } +} + +static void +nv50_vmm_pgt_sgl(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt, + u32 ptei, u32 ptes, struct nvkm_vmm_map *map) +{ + VMM_MAP_ITER_SGL(vmm, pt, ptei, ptes, map, nv50_vmm_pgt_pte); +} + +static void +nv50_vmm_pgt_dma(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt, + u32 ptei, u32 ptes, struct nvkm_vmm_map *map) +{ + if (map->page->shift == PAGE_SHIFT) { + VMM_SPAM(vmm, "DMAA %08x %08x PTE(s)", ptei, ptes); + nvkm_kmap(pt->memory); + while (ptes--) { + const u64 data = *map->dma++ | map->type; + VMM_WO064(pt, vmm, ptei++ * 8, data); + map->type += map->ctag; + } + nvkm_done(pt->memory); + return; + } + + VMM_MAP_ITER_DMA(vmm, pt, ptei, ptes, map, nv50_vmm_pgt_pte); +} + +static void +nv50_vmm_pgt_mem(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt, + u32 ptei, u32 ptes, struct nvkm_vmm_map *map) +{ + VMM_MAP_ITER_MEM(vmm, pt, ptei, ptes, map, nv50_vmm_pgt_pte); +} + +static void +nv50_vmm_pgt_unmap(struct nvkm_vmm *vmm, + struct nvkm_mmu_pt *pt, u32 ptei, u32 ptes) +{ + VMM_FO064(pt, vmm, ptei * 8, 0ULL, ptes); +} + static const struct nvkm_vmm_desc_func nv50_vmm_pgt = { + .unmap = nv50_vmm_pgt_unmap, + .mem = nv50_vmm_pgt_mem, + .dma = nv50_vmm_pgt_dma, + .sgl = nv50_vmm_pgt_sgl, }; +static bool +nv50_vmm_pde(struct nvkm_vmm *vmm, struct nvkm_vmm_pt *pgt, u64 *pdata) +{ + struct nvkm_mmu_pt *pt; + u64 data = 0xdeadcafe00000000ULL; + if (pgt && (pt = pgt->pt[0])) { + switch (pgt->page) { + case 16: data = 0x00000001; break; + case 12: data = 0x00000003; + switch (nvkm_memory_size(pt->memory)) { + case 0x100000: data |= 0x00000000; break; + case 0x040000: data |= 0x00000020; break; + case 0x020000: data |= 0x00000040; break; + case 0x010000: data |= 0x00000060; break; + default: + WARN_ON(1); + return false; + } + break; + default: + WARN_ON(1); + return false; + } + + switch (nvkm_memory_target(pt->memory)) { + case NVKM_MEM_TARGET_VRAM: data |= 0x00000000; break; + case NVKM_MEM_TARGET_HOST: data |= 0x00000008; break; + case NVKM_MEM_TARGET_NCOH: data |= 0x0000000c; break; + default: + WARN_ON(1); + return false; + } + + data |= pt->addr; + } + *pdata = data; + return true; +} + +static void +nv50_vmm_pgd_pde(struct nvkm_vmm *vmm, struct nvkm_vmm_pt *pgd, u32 pdei) +{ + struct nvkm_vmm_join *join; + u32 pdeo = vmm->mmu->func->vmm.pd_offset + (pdei * 8); + u64 data; + + if (!nv50_vmm_pde(vmm, pgd->pde[pdei], &data)) + return; + + list_for_each_entry(join, &vmm->join, head) { + nvkm_kmap(join->inst); + nvkm_wo64(join->inst, pdeo, data); + nvkm_done(join->inst); + } +} + static const struct nvkm_vmm_desc_func nv50_vmm_pgd = { + .pde = nv50_vmm_pgd_pde, }; static const struct nvkm_vmm_desc @@ -46,6 +177,150 @@ nv50_vmm_desc_16[] = { {} }; +static void +nv50_vmm_flush(struct nvkm_vmm *vmm, int level) +{ + struct nvkm_subdev *subdev = &vmm->mmu->subdev; + struct nvkm_device *device = subdev->device; + int i, id; + + mutex_lock(&subdev->mutex); + for (i = 0; i < NVKM_SUBDEV_NR; i++) { + if (!atomic_read(&vmm->engref[i])) + continue; + + /* unfortunate hw bug workaround... */ + if (i == NVKM_ENGINE_GR && device->gr) { + int ret = nvkm_gr_tlb_flush(device->gr); + if (ret != -ENODEV) + continue; + } + + switch (i) { + case NVKM_ENGINE_GR : id = 0x00; break; + case NVKM_ENGINE_VP : + case NVKM_ENGINE_MSPDEC: id = 0x01; break; + case NVKM_SUBDEV_BAR : id = 0x06; break; + case NVKM_ENGINE_MSPPP : + case NVKM_ENGINE_MPEG : id = 0x08; break; + case NVKM_ENGINE_BSP : + case NVKM_ENGINE_MSVLD : id = 0x09; break; + case NVKM_ENGINE_CIPHER: + case NVKM_ENGINE_SEC : id = 0x0a; break; + case NVKM_ENGINE_CE0 : id = 0x0d; break; + default: + continue; + } + + nvkm_wr32(device, 0x100c80, (id << 16) | 1); + if (nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0x100c80) & 0x00000001)) + break; + ) < 0) + nvkm_error(subdev, "%s mmu invalidate timeout\n", + nvkm_subdev_name[i]); + } + mutex_unlock(&subdev->mutex); +} + +static int +nv50_vmm_valid(struct nvkm_vmm *vmm, void *argv, u32 argc, + struct nvkm_vmm_map *map) +{ + const struct nvkm_vmm_page *page = map->page; + union { + struct nv50_vmm_map_vn vn; + struct nv50_vmm_map_v0 v0; + } *args = argv; + struct nvkm_device *device = vmm->mmu->subdev.device; + struct nvkm_ram *ram = device->fb->ram; + struct nvkm_memory *memory = map->memory; + u8 aper, kind, comp, priv, ro; + int kindn, ret = -ENOSYS; + const u8 *kindm; + + map->type = map->ctag = 0; + map->next = 1 << page->shift; + + if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) { + ro = !!args->v0.ro; + priv = !!args->v0.priv; + kind = args->v0.kind & 0x7f; + comp = args->v0.comp & 0x03; + } else + if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) { + ro = 0; + priv = 0; + kind = 0x00; + comp = 0; + } else { + VMM_DEBUG(vmm, "args"); + return ret; + } + + switch (nvkm_memory_target(memory)) { + case NVKM_MEM_TARGET_VRAM: + if (ram->stolen) { + map->type |= ram->stolen; + aper = 3; + } else { + aper = 0; + } + break; + case NVKM_MEM_TARGET_HOST: + aper = 2; + break; + case NVKM_MEM_TARGET_NCOH: + aper = 3; + break; + default: + WARN_ON(1); + return -EINVAL; + } + + kindm = vmm->mmu->func->kind(vmm->mmu, &kindn); + if (kind >= kindn || kindm[kind] == 0x7f) { + VMM_DEBUG(vmm, "kind %02x", kind); + return -EINVAL; + } + + if (map->mem && map->mem->type != kindm[kind]) { + VMM_DEBUG(vmm, "kind %02x bankswz: %d %d", kind, + kindm[kind], map->mem->type); + return -EINVAL; + } + + if (comp) { + u32 tags = (nvkm_memory_size(memory) >> 16) * comp; + if (aper != 0 || !(page->type & NVKM_VMM_PAGE_COMP)) { + VMM_DEBUG(vmm, "comp %d %02x", aper, page->type); + return -EINVAL; + } + + ret = nvkm_memory_tags_get(memory, device, tags, NULL, + &map->tags); + if (ret) { + VMM_DEBUG(vmm, "comp %d", ret); + return ret; + } + + if (map->tags->mn) { + u32 tags = map->tags->mn->offset + (map->offset >> 16); + map->ctag |= (u64)comp << 49; + map->type |= (u64)comp << 47; + map->type |= (u64)tags << 49; + map->next |= map->ctag; + } + } + + map->type |= BIT(0); /* Valid. */ + map->type |= (u64)ro << 3; + map->type |= (u64)aper << 4; + map->type |= (u64)priv << 6; + map->type |= (u64)kind << 40; + return 0; +} + static void nv50_vmm_part(struct nvkm_vmm *vmm, struct nvkm_memory *inst) { @@ -63,19 +338,35 @@ nv50_vmm_part(struct nvkm_vmm *vmm, struct nvkm_memory *inst) static int nv50_vmm_join(struct nvkm_vmm *vmm, struct nvkm_memory *inst) { + const u32 pd_offset = vmm->mmu->func->vmm.pd_offset; struct nvkm_vmm_join *join; + int ret = 0; + u64 data; + u32 pdei; if (!(join = kmalloc(sizeof(*join), GFP_KERNEL))) return -ENOMEM; join->inst = inst; list_add_tail(&join->head, &vmm->join); - return 0; + + nvkm_kmap(join->inst); + for (pdei = vmm->start >> 29; pdei <= (vmm->limit - 1) >> 29; pdei++) { + if (!nv50_vmm_pde(vmm, vmm->pd->pde[pdei], &data)) { + ret = -EINVAL; + break; + } + nvkm_wo64(join->inst, pd_offset + (pdei * 8), data); + } + nvkm_done(join->inst); + return ret; } static const struct nvkm_vmm_func nv50_vmm = { .join = nv50_vmm_join, .part = nv50_vmm_part, + .valid = nv50_vmm_valid, + .flush = nv50_vmm_flush, .page_block = 1 << 29, .page = { { 16, &nv50_vmm_desc_16[0], NVKM_VMM_PAGE_xVxC }, -- 2.30.2