diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_migrate.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 83 |
1 files changed, 44 insertions, 39 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c index 54933903bcb8..58d95fb99595 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c @@ -206,7 +206,7 @@ svm_migrate_copy_done(struct amdgpu_device *adev, struct dma_fence *mfence) unsigned long svm_migrate_addr_to_pfn(struct amdgpu_device *adev, unsigned long addr) { - return (addr + adev->kfd.dev->pgmap.range.start) >> PAGE_SHIFT; + return (addr + adev->kfd.pgmap.range.start) >> PAGE_SHIFT; } static void @@ -236,7 +236,7 @@ svm_migrate_addr(struct amdgpu_device *adev, struct page *page) unsigned long addr; addr = page_to_pfn(page) << PAGE_SHIFT; - return (addr - adev->kfd.dev->pgmap.range.start); + return (addr - adev->kfd.pgmap.range.start); } static struct page * @@ -287,11 +287,12 @@ static unsigned long svm_migrate_unsuccessful_pages(struct migrate_vma *migrate) } static int -svm_migrate_copy_to_vram(struct amdgpu_device *adev, struct svm_range *prange, +svm_migrate_copy_to_vram(struct kfd_node *node, struct svm_range *prange, struct migrate_vma *migrate, struct dma_fence **mfence, dma_addr_t *scratch, uint64_t ttm_res_offset) { - uint64_t npages = migrate->npages; + uint64_t npages = migrate->cpages; + struct amdgpu_device *adev = node->adev; struct device *dev = adev->dev; struct amdgpu_res_cursor cursor; dma_addr_t *src; @@ -321,7 +322,7 @@ svm_migrate_copy_to_vram(struct amdgpu_device *adev, struct svm_range *prange, DMA_TO_DEVICE); r = dma_mapping_error(dev, src[i]); if (r) { - dev_err(adev->dev, "%s: fail %d dma_map_page\n", + dev_err(dev, "%s: fail %d dma_map_page\n", __func__, r); goto out_free_vram_pages; } @@ -390,12 +391,13 @@ out_free_vram_pages: } static long -svm_migrate_vma_to_vram(struct amdgpu_device *adev, struct svm_range *prange, +svm_migrate_vma_to_vram(struct kfd_node *node, struct svm_range *prange, struct vm_area_struct *vma, uint64_t start, uint64_t end, uint32_t trigger, uint64_t ttm_res_offset) { struct kfd_process *p = container_of(prange->svms, struct kfd_process, svms); uint64_t npages = (end - start) >> PAGE_SHIFT; + struct amdgpu_device *adev = node->adev; struct kfd_process_device *pdd; struct dma_fence *mfence = NULL; struct migrate_vma migrate = { 0 }; @@ -421,9 +423,9 @@ svm_migrate_vma_to_vram(struct amdgpu_device *adev, struct svm_range *prange, migrate.dst = migrate.src + npages; scratch = (dma_addr_t *)(migrate.dst + npages); - kfd_smi_event_migration_start(adev->kfd.dev, p->lead_thread->pid, + kfd_smi_event_migration_start(node, p->lead_thread->pid, start >> PAGE_SHIFT, end >> PAGE_SHIFT, - 0, adev->kfd.dev->id, prange->prefetch_loc, + 0, node->id, prange->prefetch_loc, prange->preferred_loc, trigger); r = migrate_vma_setup(&migrate); @@ -445,7 +447,7 @@ svm_migrate_vma_to_vram(struct amdgpu_device *adev, struct svm_range *prange, else pr_debug("0x%lx pages migrated\n", cpages); - r = svm_migrate_copy_to_vram(adev, prange, &migrate, &mfence, scratch, ttm_res_offset); + r = svm_migrate_copy_to_vram(node, prange, &migrate, &mfence, scratch, ttm_res_offset); migrate_vma_pages(&migrate); pr_debug("successful/cpages/npages 0x%lx/0x%lx/0x%lx\n", @@ -454,9 +456,9 @@ svm_migrate_vma_to_vram(struct amdgpu_device *adev, struct svm_range *prange, svm_migrate_copy_done(adev, mfence); migrate_vma_finalize(&migrate); - kfd_smi_event_migration_end(adev->kfd.dev, p->lead_thread->pid, + kfd_smi_event_migration_end(node, p->lead_thread->pid, start >> PAGE_SHIFT, end >> PAGE_SHIFT, - 0, adev->kfd.dev->id, trigger); + 0, node->id, trigger); svm_range_dma_unmap(adev->dev, scratch, 0, npages); svm_range_free_dma_mappings(prange); @@ -465,7 +467,7 @@ out_free: kvfree(buf); out: if (!r && cpages) { - pdd = svm_range_get_pdd_by_adev(prange, adev); + pdd = svm_range_get_pdd_by_node(prange, node); if (pdd) WRITE_ONCE(pdd->page_in, pdd->page_in + cpages); @@ -492,8 +494,8 @@ svm_migrate_ram_to_vram(struct svm_range *prange, uint32_t best_loc, { unsigned long addr, start, end; struct vm_area_struct *vma; - struct amdgpu_device *adev; uint64_t ttm_res_offset; + struct kfd_node *node; unsigned long cpages = 0; long r = 0; @@ -503,9 +505,9 @@ svm_migrate_ram_to_vram(struct svm_range *prange, uint32_t best_loc, return 0; } - adev = svm_range_get_adev_by_id(prange, best_loc); - if (!adev) { - pr_debug("failed to get device by id 0x%x\n", best_loc); + node = svm_range_get_node_by_id(prange, best_loc); + if (!node) { + pr_debug("failed to get kfd node by id 0x%x\n", best_loc); return -ENODEV; } @@ -515,9 +517,9 @@ svm_migrate_ram_to_vram(struct svm_range *prange, uint32_t best_loc, start = prange->start << PAGE_SHIFT; end = (prange->last + 1) << PAGE_SHIFT; - r = svm_range_vram_node_new(adev, prange, true); + r = svm_range_vram_node_new(node, prange, true); if (r) { - dev_dbg(adev->dev, "fail %ld to alloc vram\n", r); + dev_dbg(node->adev->dev, "fail %ld to alloc vram\n", r); return r; } ttm_res_offset = prange->offset << PAGE_SHIFT; @@ -530,7 +532,7 @@ svm_migrate_ram_to_vram(struct svm_range *prange, uint32_t best_loc, break; next = min(vma->vm_end, end); - r = svm_migrate_vma_to_vram(adev, prange, vma, addr, next, trigger, ttm_res_offset); + r = svm_migrate_vma_to_vram(node, prange, vma, addr, next, trigger, ttm_res_offset); if (r < 0) { pr_debug("failed %ld to migrate\n", r); break; @@ -649,11 +651,13 @@ out_oom: /** * svm_migrate_vma_to_ram - migrate range inside one vma from device to system * - * @adev: amdgpu device to migrate from * @prange: svm range structure * @vma: vm_area_struct that range [start, end] belongs to * @start: range start virtual address in pages * @end: range end virtual address in pages + * @node: kfd node device to migrate from + * @trigger: reason of migration + * @fault_page: is from vmf->page, svm_migrate_to_ram(), this is CPU page fault callback * * Context: Process context, caller hold mmap read lock, prange->migrate_mutex * @@ -663,7 +667,7 @@ out_oom: * positive values - partial migration, number of pages not migrated */ static long -svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange, +svm_migrate_vma_to_ram(struct kfd_node *node, struct svm_range *prange, struct vm_area_struct *vma, uint64_t start, uint64_t end, uint32_t trigger, struct page *fault_page) { @@ -671,6 +675,7 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange, uint64_t npages = (end - start) >> PAGE_SHIFT; unsigned long upages = npages; unsigned long cpages = 0; + struct amdgpu_device *adev = node->adev; struct kfd_process_device *pdd; struct dma_fence *mfence = NULL; struct migrate_vma migrate = { 0 }; @@ -699,9 +704,9 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange, migrate.fault_page = fault_page; scratch = (dma_addr_t *)(migrate.dst + npages); - kfd_smi_event_migration_start(adev->kfd.dev, p->lead_thread->pid, + kfd_smi_event_migration_start(node, p->lead_thread->pid, start >> PAGE_SHIFT, end >> PAGE_SHIFT, - adev->kfd.dev->id, 0, prange->prefetch_loc, + node->id, 0, prange->prefetch_loc, prange->preferred_loc, trigger); r = migrate_vma_setup(&migrate); @@ -735,9 +740,9 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange, svm_migrate_copy_done(adev, mfence); migrate_vma_finalize(&migrate); - kfd_smi_event_migration_end(adev->kfd.dev, p->lead_thread->pid, + kfd_smi_event_migration_end(node, p->lead_thread->pid, start >> PAGE_SHIFT, end >> PAGE_SHIFT, - adev->kfd.dev->id, 0, trigger); + node->id, 0, trigger); svm_range_dma_unmap(adev->dev, scratch, 0, npages); @@ -745,7 +750,7 @@ out_free: kvfree(buf); out: if (!r && cpages) { - pdd = svm_range_get_pdd_by_adev(prange, adev); + pdd = svm_range_get_pdd_by_node(prange, node); if (pdd) WRITE_ONCE(pdd->page_out, pdd->page_out + cpages); } @@ -757,6 +762,7 @@ out: * @prange: range structure * @mm: process mm, use current->mm if NULL * @trigger: reason of migration + * @fault_page: is from vmf->page, svm_migrate_to_ram(), this is CPU page fault callback * * Context: Process context, caller hold mmap read lock, prange->migrate_mutex * @@ -766,7 +772,7 @@ out: int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm, uint32_t trigger, struct page *fault_page) { - struct amdgpu_device *adev; + struct kfd_node *node; struct vm_area_struct *vma; unsigned long addr; unsigned long start; @@ -780,13 +786,11 @@ int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm, return 0; } - adev = svm_range_get_adev_by_id(prange, prange->actual_loc); - if (!adev) { - pr_debug("failed to get device by id 0x%x\n", - prange->actual_loc); + node = svm_range_get_node_by_id(prange, prange->actual_loc); + if (!node) { + pr_debug("failed to get kfd node by id 0x%x\n", prange->actual_loc); return -ENODEV; } - pr_debug("svms 0x%p prange 0x%p [0x%lx 0x%lx] from gpu 0x%x to ram\n", prange->svms, prange, prange->start, prange->last, prange->actual_loc); @@ -805,7 +809,7 @@ int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm, } next = min(vma->vm_end, end); - r = svm_migrate_vma_to_ram(adev, prange, vma, addr, next, trigger, + r = svm_migrate_vma_to_ram(node, prange, vma, addr, next, trigger, fault_page); if (r < 0) { pr_debug("failed %ld to migrate prange %p\n", r, prange); @@ -987,18 +991,21 @@ static const struct dev_pagemap_ops svm_migrate_pgmap_ops = { /* Each VRAM page uses sizeof(struct page) on system memory */ #define SVM_HMM_PAGE_STRUCT_SIZE(size) ((size)/PAGE_SIZE * sizeof(struct page)) -int svm_migrate_init(struct amdgpu_device *adev) +int kgd2kfd_init_zone_device(struct amdgpu_device *adev) { - struct kfd_dev *kfddev = adev->kfd.dev; + struct amdgpu_kfd_dev *kfddev = &adev->kfd; struct dev_pagemap *pgmap; struct resource *res = NULL; unsigned long size; void *r; - /* Page migration works on Vega10 or newer */ - if (!KFD_IS_SOC15(kfddev)) + /* Page migration works on gfx9 or newer */ + if (adev->ip_versions[GC_HWIP][0] < IP_VERSION(9, 0, 1)) return -EINVAL; + if (adev->gmc.is_app_apu) + return 0; + pgmap = &kfddev->pgmap; memset(pgmap, 0, sizeof(*pgmap)); @@ -1041,8 +1048,6 @@ int svm_migrate_init(struct amdgpu_device *adev) amdgpu_amdkfd_reserve_system_mem(SVM_HMM_PAGE_STRUCT_SIZE(size)); - svm_range_set_max_pages(adev); - pr_info("HMM registered %ldMB device memory\n", size >> 20); return 0; |