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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/accel/ivpu/ivpu_gem.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/accel/ivpu/ivpu_gem.c')
-rw-r--r--drivers/accel/ivpu/ivpu_gem.c759
1 files changed, 759 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_gem.c b/drivers/accel/ivpu/ivpu_gem.c
new file mode 100644
index 0000000000..d09f13b359
--- /dev/null
+++ b/drivers/accel/ivpu/ivpu_gem.c
@@ -0,0 +1,759 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020-2023 Intel Corporation
+ */
+
+#include <linux/dma-buf.h>
+#include <linux/highmem.h>
+#include <linux/module.h>
+#include <linux/set_memory.h>
+#include <linux/xarray.h>
+
+#include <drm/drm_cache.h>
+#include <drm/drm_debugfs.h>
+#include <drm/drm_file.h>
+#include <drm/drm_utils.h>
+
+#include "ivpu_drv.h"
+#include "ivpu_gem.h"
+#include "ivpu_hw.h"
+#include "ivpu_mmu.h"
+#include "ivpu_mmu_context.h"
+
+MODULE_IMPORT_NS(DMA_BUF);
+
+static const struct drm_gem_object_funcs ivpu_gem_funcs;
+
+static struct lock_class_key prime_bo_lock_class_key;
+
+static int __must_check prime_alloc_pages_locked(struct ivpu_bo *bo)
+{
+ /* Pages are managed by the underlying dma-buf */
+ return 0;
+}
+
+static void prime_free_pages_locked(struct ivpu_bo *bo)
+{
+ /* Pages are managed by the underlying dma-buf */
+}
+
+static int prime_map_pages_locked(struct ivpu_bo *bo)
+{
+ struct ivpu_device *vdev = ivpu_bo_to_vdev(bo);
+ struct sg_table *sgt;
+
+ sgt = dma_buf_map_attachment_unlocked(bo->base.import_attach, DMA_BIDIRECTIONAL);
+ if (IS_ERR(sgt)) {
+ ivpu_err(vdev, "Failed to map attachment: %ld\n", PTR_ERR(sgt));
+ return PTR_ERR(sgt);
+ }
+
+ bo->sgt = sgt;
+ return 0;
+}
+
+static void prime_unmap_pages_locked(struct ivpu_bo *bo)
+{
+ dma_buf_unmap_attachment_unlocked(bo->base.import_attach, bo->sgt, DMA_BIDIRECTIONAL);
+ bo->sgt = NULL;
+}
+
+static const struct ivpu_bo_ops prime_ops = {
+ .type = IVPU_BO_TYPE_PRIME,
+ .name = "prime",
+ .alloc_pages = prime_alloc_pages_locked,
+ .free_pages = prime_free_pages_locked,
+ .map_pages = prime_map_pages_locked,
+ .unmap_pages = prime_unmap_pages_locked,
+};
+
+static int __must_check shmem_alloc_pages_locked(struct ivpu_bo *bo)
+{
+ int npages = bo->base.size >> PAGE_SHIFT;
+ struct page **pages;
+
+ pages = drm_gem_get_pages(&bo->base);
+ if (IS_ERR(pages))
+ return PTR_ERR(pages);
+
+ if (bo->flags & DRM_IVPU_BO_WC)
+ set_pages_array_wc(pages, npages);
+ else if (bo->flags & DRM_IVPU_BO_UNCACHED)
+ set_pages_array_uc(pages, npages);
+
+ bo->pages = pages;
+ return 0;
+}
+
+static void shmem_free_pages_locked(struct ivpu_bo *bo)
+{
+ if (ivpu_bo_cache_mode(bo) != DRM_IVPU_BO_CACHED)
+ set_pages_array_wb(bo->pages, bo->base.size >> PAGE_SHIFT);
+
+ drm_gem_put_pages(&bo->base, bo->pages, true, false);
+ bo->pages = NULL;
+}
+
+static int ivpu_bo_map_pages_locked(struct ivpu_bo *bo)
+{
+ int npages = bo->base.size >> PAGE_SHIFT;
+ struct ivpu_device *vdev = ivpu_bo_to_vdev(bo);
+ struct sg_table *sgt;
+ int ret;
+
+ sgt = drm_prime_pages_to_sg(&vdev->drm, bo->pages, npages);
+ if (IS_ERR(sgt)) {
+ ivpu_err(vdev, "Failed to allocate sgtable\n");
+ return PTR_ERR(sgt);
+ }
+
+ ret = dma_map_sgtable(vdev->drm.dev, sgt, DMA_BIDIRECTIONAL, 0);
+ if (ret) {
+ ivpu_err(vdev, "Failed to map BO in IOMMU: %d\n", ret);
+ goto err_free_sgt;
+ }
+
+ bo->sgt = sgt;
+ return 0;
+
+err_free_sgt:
+ kfree(sgt);
+ return ret;
+}
+
+static void ivpu_bo_unmap_pages_locked(struct ivpu_bo *bo)
+{
+ struct ivpu_device *vdev = ivpu_bo_to_vdev(bo);
+
+ dma_unmap_sgtable(vdev->drm.dev, bo->sgt, DMA_BIDIRECTIONAL, 0);
+ sg_free_table(bo->sgt);
+ kfree(bo->sgt);
+ bo->sgt = NULL;
+}
+
+static const struct ivpu_bo_ops shmem_ops = {
+ .type = IVPU_BO_TYPE_SHMEM,
+ .name = "shmem",
+ .alloc_pages = shmem_alloc_pages_locked,
+ .free_pages = shmem_free_pages_locked,
+ .map_pages = ivpu_bo_map_pages_locked,
+ .unmap_pages = ivpu_bo_unmap_pages_locked,
+};
+
+static int __must_check internal_alloc_pages_locked(struct ivpu_bo *bo)
+{
+ unsigned int i, npages = bo->base.size >> PAGE_SHIFT;
+ struct page **pages;
+ int ret;
+
+ pages = kvmalloc_array(npages, sizeof(*bo->pages), GFP_KERNEL);
+ if (!pages)
+ return -ENOMEM;
+
+ for (i = 0; i < npages; i++) {
+ pages[i] = alloc_page(GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO);
+ if (!pages[i]) {
+ ret = -ENOMEM;
+ goto err_free_pages;
+ }
+ cond_resched();
+ }
+
+ bo->pages = pages;
+ return 0;
+
+err_free_pages:
+ while (i--)
+ put_page(pages[i]);
+ kvfree(pages);
+ return ret;
+}
+
+static void internal_free_pages_locked(struct ivpu_bo *bo)
+{
+ unsigned int i, npages = bo->base.size >> PAGE_SHIFT;
+
+ if (ivpu_bo_cache_mode(bo) != DRM_IVPU_BO_CACHED)
+ set_pages_array_wb(bo->pages, bo->base.size >> PAGE_SHIFT);
+
+ for (i = 0; i < npages; i++)
+ put_page(bo->pages[i]);
+
+ kvfree(bo->pages);
+ bo->pages = NULL;
+}
+
+static const struct ivpu_bo_ops internal_ops = {
+ .type = IVPU_BO_TYPE_INTERNAL,
+ .name = "internal",
+ .alloc_pages = internal_alloc_pages_locked,
+ .free_pages = internal_free_pages_locked,
+ .map_pages = ivpu_bo_map_pages_locked,
+ .unmap_pages = ivpu_bo_unmap_pages_locked,
+};
+
+static int __must_check ivpu_bo_alloc_and_map_pages_locked(struct ivpu_bo *bo)
+{
+ struct ivpu_device *vdev = ivpu_bo_to_vdev(bo);
+ int ret;
+
+ lockdep_assert_held(&bo->lock);
+ drm_WARN_ON(&vdev->drm, bo->sgt);
+
+ ret = bo->ops->alloc_pages(bo);
+ if (ret) {
+ ivpu_err(vdev, "Failed to allocate pages for BO: %d", ret);
+ return ret;
+ }
+
+ ret = bo->ops->map_pages(bo);
+ if (ret) {
+ ivpu_err(vdev, "Failed to map pages for BO: %d", ret);
+ goto err_free_pages;
+ }
+ return ret;
+
+err_free_pages:
+ bo->ops->free_pages(bo);
+ return ret;
+}
+
+static void ivpu_bo_unmap_and_free_pages(struct ivpu_bo *bo)
+{
+ mutex_lock(&bo->lock);
+
+ WARN_ON(!bo->sgt);
+ bo->ops->unmap_pages(bo);
+ WARN_ON(bo->sgt);
+ bo->ops->free_pages(bo);
+ WARN_ON(bo->pages);
+
+ mutex_unlock(&bo->lock);
+}
+
+/*
+ * ivpu_bo_pin() - pin the backing physical pages and map them to VPU.
+ *
+ * This function pins physical memory pages, then maps the physical pages
+ * to IOMMU address space and finally updates the VPU MMU page tables
+ * to allow the VPU to translate VPU address to IOMMU address.
+ */
+int __must_check ivpu_bo_pin(struct ivpu_bo *bo)
+{
+ struct ivpu_device *vdev = ivpu_bo_to_vdev(bo);
+ int ret = 0;
+
+ mutex_lock(&bo->lock);
+
+ if (!bo->vpu_addr) {
+ ivpu_err(vdev, "vpu_addr not set for BO ctx_id: %d handle: %d\n",
+ bo->ctx->id, bo->handle);
+ ret = -EINVAL;
+ goto unlock;
+ }
+
+ if (!bo->sgt) {
+ ret = ivpu_bo_alloc_and_map_pages_locked(bo);
+ if (ret)
+ goto unlock;
+ }
+
+ if (!bo->mmu_mapped) {
+ ret = ivpu_mmu_context_map_sgt(vdev, bo->ctx, bo->vpu_addr, bo->sgt,
+ ivpu_bo_is_snooped(bo));
+ if (ret) {
+ ivpu_err(vdev, "Failed to map BO in MMU: %d\n", ret);
+ goto unlock;
+ }
+ bo->mmu_mapped = true;
+ }
+
+unlock:
+ mutex_unlock(&bo->lock);
+
+ return ret;
+}
+
+static int
+ivpu_bo_alloc_vpu_addr(struct ivpu_bo *bo, struct ivpu_mmu_context *ctx,
+ const struct ivpu_addr_range *range)
+{
+ struct ivpu_device *vdev = ivpu_bo_to_vdev(bo);
+ int ret;
+
+ if (!range) {
+ if (bo->flags & DRM_IVPU_BO_SHAVE_MEM)
+ range = &vdev->hw->ranges.shave;
+ else if (bo->flags & DRM_IVPU_BO_DMA_MEM)
+ range = &vdev->hw->ranges.dma;
+ else
+ range = &vdev->hw->ranges.user;
+ }
+
+ mutex_lock(&ctx->lock);
+ ret = ivpu_mmu_context_insert_node_locked(ctx, range, bo->base.size, &bo->mm_node);
+ if (!ret) {
+ bo->ctx = ctx;
+ bo->vpu_addr = bo->mm_node.start;
+ list_add_tail(&bo->ctx_node, &ctx->bo_list);
+ }
+ mutex_unlock(&ctx->lock);
+
+ return ret;
+}
+
+static void ivpu_bo_free_vpu_addr(struct ivpu_bo *bo)
+{
+ struct ivpu_device *vdev = ivpu_bo_to_vdev(bo);
+ struct ivpu_mmu_context *ctx = bo->ctx;
+
+ ivpu_dbg(vdev, BO, "remove from ctx: ctx %d vpu_addr 0x%llx allocated %d mmu_mapped %d\n",
+ ctx->id, bo->vpu_addr, (bool)bo->sgt, bo->mmu_mapped);
+
+ mutex_lock(&bo->lock);
+
+ if (bo->mmu_mapped) {
+ drm_WARN_ON(&vdev->drm, !bo->sgt);
+ ivpu_mmu_context_unmap_sgt(vdev, ctx, bo->vpu_addr, bo->sgt);
+ bo->mmu_mapped = false;
+ }
+
+ mutex_lock(&ctx->lock);
+ list_del(&bo->ctx_node);
+ bo->vpu_addr = 0;
+ bo->ctx = NULL;
+ ivpu_mmu_context_remove_node_locked(ctx, &bo->mm_node);
+ mutex_unlock(&ctx->lock);
+
+ mutex_unlock(&bo->lock);
+}
+
+void ivpu_bo_remove_all_bos_from_context(struct ivpu_mmu_context *ctx)
+{
+ struct ivpu_bo *bo, *tmp;
+
+ list_for_each_entry_safe(bo, tmp, &ctx->bo_list, ctx_node)
+ ivpu_bo_free_vpu_addr(bo);
+}
+
+static struct ivpu_bo *
+ivpu_bo_alloc(struct ivpu_device *vdev, struct ivpu_mmu_context *mmu_context,
+ u64 size, u32 flags, const struct ivpu_bo_ops *ops,
+ const struct ivpu_addr_range *range, u64 user_ptr)
+{
+ struct ivpu_bo *bo;
+ int ret = 0;
+
+ if (drm_WARN_ON(&vdev->drm, size == 0 || !PAGE_ALIGNED(size)))
+ return ERR_PTR(-EINVAL);
+
+ switch (flags & DRM_IVPU_BO_CACHE_MASK) {
+ case DRM_IVPU_BO_CACHED:
+ case DRM_IVPU_BO_UNCACHED:
+ case DRM_IVPU_BO_WC:
+ break;
+ default:
+ return ERR_PTR(-EINVAL);
+ }
+
+ bo = kzalloc(sizeof(*bo), GFP_KERNEL);
+ if (!bo)
+ return ERR_PTR(-ENOMEM);
+
+ mutex_init(&bo->lock);
+ bo->base.funcs = &ivpu_gem_funcs;
+ bo->flags = flags;
+ bo->ops = ops;
+ bo->user_ptr = user_ptr;
+
+ if (ops->type == IVPU_BO_TYPE_SHMEM)
+ ret = drm_gem_object_init(&vdev->drm, &bo->base, size);
+ else
+ drm_gem_private_object_init(&vdev->drm, &bo->base, size);
+
+ if (ret) {
+ ivpu_err(vdev, "Failed to initialize drm object\n");
+ goto err_free;
+ }
+
+ if (flags & DRM_IVPU_BO_MAPPABLE) {
+ ret = drm_gem_create_mmap_offset(&bo->base);
+ if (ret) {
+ ivpu_err(vdev, "Failed to allocate mmap offset\n");
+ goto err_release;
+ }
+ }
+
+ if (mmu_context) {
+ ret = ivpu_bo_alloc_vpu_addr(bo, mmu_context, range);
+ if (ret) {
+ ivpu_err(vdev, "Failed to add BO to context: %d\n", ret);
+ goto err_release;
+ }
+ }
+
+ return bo;
+
+err_release:
+ drm_gem_object_release(&bo->base);
+err_free:
+ kfree(bo);
+ return ERR_PTR(ret);
+}
+
+static void ivpu_bo_free(struct drm_gem_object *obj)
+{
+ struct ivpu_bo *bo = to_ivpu_bo(obj);
+ struct ivpu_device *vdev = ivpu_bo_to_vdev(bo);
+
+ if (bo->ctx)
+ ivpu_dbg(vdev, BO, "free: ctx %d vpu_addr 0x%llx allocated %d mmu_mapped %d\n",
+ bo->ctx->id, bo->vpu_addr, (bool)bo->sgt, bo->mmu_mapped);
+ else
+ ivpu_dbg(vdev, BO, "free: ctx (released) allocated %d mmu_mapped %d\n",
+ (bool)bo->sgt, bo->mmu_mapped);
+
+ drm_WARN_ON(&vdev->drm, !dma_resv_test_signaled(obj->resv, DMA_RESV_USAGE_READ));
+
+ vunmap(bo->kvaddr);
+
+ if (bo->ctx)
+ ivpu_bo_free_vpu_addr(bo);
+
+ if (bo->sgt)
+ ivpu_bo_unmap_and_free_pages(bo);
+
+ if (bo->base.import_attach)
+ drm_prime_gem_destroy(&bo->base, bo->sgt);
+
+ drm_gem_object_release(&bo->base);
+
+ mutex_destroy(&bo->lock);
+ kfree(bo);
+}
+
+static int ivpu_bo_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
+{
+ struct ivpu_bo *bo = to_ivpu_bo(obj);
+ struct ivpu_device *vdev = ivpu_bo_to_vdev(bo);
+
+ ivpu_dbg(vdev, BO, "mmap: ctx %u handle %u vpu_addr 0x%llx size %zu type %s",
+ bo->ctx->id, bo->handle, bo->vpu_addr, bo->base.size, bo->ops->name);
+
+ if (obj->import_attach) {
+ /* Drop the reference drm_gem_mmap_obj() acquired.*/
+ drm_gem_object_put(obj);
+ vma->vm_private_data = NULL;
+ return dma_buf_mmap(obj->dma_buf, vma, 0);
+ }
+
+ vm_flags_set(vma, VM_PFNMAP | VM_DONTEXPAND);
+ vma->vm_page_prot = ivpu_bo_pgprot(bo, vm_get_page_prot(vma->vm_flags));
+
+ return 0;
+}
+
+static struct sg_table *ivpu_bo_get_sg_table(struct drm_gem_object *obj)
+{
+ struct ivpu_bo *bo = to_ivpu_bo(obj);
+ loff_t npages = obj->size >> PAGE_SHIFT;
+ int ret = 0;
+
+ mutex_lock(&bo->lock);
+
+ if (!bo->sgt)
+ ret = ivpu_bo_alloc_and_map_pages_locked(bo);
+
+ mutex_unlock(&bo->lock);
+
+ if (ret)
+ return ERR_PTR(ret);
+
+ return drm_prime_pages_to_sg(obj->dev, bo->pages, npages);
+}
+
+static vm_fault_t ivpu_vm_fault(struct vm_fault *vmf)
+{
+ struct vm_area_struct *vma = vmf->vma;
+ struct drm_gem_object *obj = vma->vm_private_data;
+ struct ivpu_bo *bo = to_ivpu_bo(obj);
+ loff_t npages = obj->size >> PAGE_SHIFT;
+ pgoff_t page_offset;
+ struct page *page;
+ vm_fault_t ret;
+ int err;
+
+ mutex_lock(&bo->lock);
+
+ if (!bo->sgt) {
+ err = ivpu_bo_alloc_and_map_pages_locked(bo);
+ if (err) {
+ ret = vmf_error(err);
+ goto unlock;
+ }
+ }
+
+ /* We don't use vmf->pgoff since that has the fake offset */
+ page_offset = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
+ if (page_offset >= npages) {
+ ret = VM_FAULT_SIGBUS;
+ } else {
+ page = bo->pages[page_offset];
+ ret = vmf_insert_pfn(vma, vmf->address, page_to_pfn(page));
+ }
+
+unlock:
+ mutex_unlock(&bo->lock);
+
+ return ret;
+}
+
+static const struct vm_operations_struct ivpu_vm_ops = {
+ .fault = ivpu_vm_fault,
+ .open = drm_gem_vm_open,
+ .close = drm_gem_vm_close,
+};
+
+static const struct drm_gem_object_funcs ivpu_gem_funcs = {
+ .free = ivpu_bo_free,
+ .mmap = ivpu_bo_mmap,
+ .vm_ops = &ivpu_vm_ops,
+ .get_sg_table = ivpu_bo_get_sg_table,
+};
+
+int
+ivpu_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
+{
+ struct ivpu_file_priv *file_priv = file->driver_priv;
+ struct ivpu_device *vdev = file_priv->vdev;
+ struct drm_ivpu_bo_create *args = data;
+ u64 size = PAGE_ALIGN(args->size);
+ struct ivpu_bo *bo;
+ int ret;
+
+ if (args->flags & ~DRM_IVPU_BO_FLAGS)
+ return -EINVAL;
+
+ if (size == 0)
+ return -EINVAL;
+
+ bo = ivpu_bo_alloc(vdev, &file_priv->ctx, size, args->flags, &shmem_ops, NULL, 0);
+ if (IS_ERR(bo)) {
+ ivpu_err(vdev, "Failed to create BO: %pe (ctx %u size %llu flags 0x%x)",
+ bo, file_priv->ctx.id, args->size, args->flags);
+ return PTR_ERR(bo);
+ }
+
+ ret = drm_gem_handle_create(file, &bo->base, &bo->handle);
+ if (!ret) {
+ args->vpu_addr = bo->vpu_addr;
+ args->handle = bo->handle;
+ }
+
+ drm_gem_object_put(&bo->base);
+
+ ivpu_dbg(vdev, BO, "alloc shmem: ctx %u vpu_addr 0x%llx size %zu flags 0x%x\n",
+ file_priv->ctx.id, bo->vpu_addr, bo->base.size, bo->flags);
+
+ return ret;
+}
+
+struct ivpu_bo *
+ivpu_bo_alloc_internal(struct ivpu_device *vdev, u64 vpu_addr, u64 size, u32 flags)
+{
+ const struct ivpu_addr_range *range;
+ struct ivpu_addr_range fixed_range;
+ struct ivpu_bo *bo;
+ pgprot_t prot;
+ int ret;
+
+ drm_WARN_ON(&vdev->drm, !PAGE_ALIGNED(vpu_addr));
+ drm_WARN_ON(&vdev->drm, !PAGE_ALIGNED(size));
+
+ if (vpu_addr) {
+ fixed_range.start = vpu_addr;
+ fixed_range.end = vpu_addr + size;
+ range = &fixed_range;
+ } else {
+ range = &vdev->hw->ranges.global;
+ }
+
+ bo = ivpu_bo_alloc(vdev, &vdev->gctx, size, flags, &internal_ops, range, 0);
+ if (IS_ERR(bo)) {
+ ivpu_err(vdev, "Failed to create BO: %pe (vpu_addr 0x%llx size %llu flags 0x%x)",
+ bo, vpu_addr, size, flags);
+ return NULL;
+ }
+
+ ret = ivpu_bo_pin(bo);
+ if (ret)
+ goto err_put;
+
+ if (ivpu_bo_cache_mode(bo) != DRM_IVPU_BO_CACHED)
+ drm_clflush_pages(bo->pages, bo->base.size >> PAGE_SHIFT);
+
+ if (bo->flags & DRM_IVPU_BO_WC)
+ set_pages_array_wc(bo->pages, bo->base.size >> PAGE_SHIFT);
+ else if (bo->flags & DRM_IVPU_BO_UNCACHED)
+ set_pages_array_uc(bo->pages, bo->base.size >> PAGE_SHIFT);
+
+ prot = ivpu_bo_pgprot(bo, PAGE_KERNEL);
+ bo->kvaddr = vmap(bo->pages, bo->base.size >> PAGE_SHIFT, VM_MAP, prot);
+ if (!bo->kvaddr) {
+ ivpu_err(vdev, "Failed to map BO into kernel virtual memory\n");
+ goto err_put;
+ }
+
+ ivpu_dbg(vdev, BO, "alloc internal: ctx 0 vpu_addr 0x%llx size %zu flags 0x%x\n",
+ bo->vpu_addr, bo->base.size, flags);
+
+ return bo;
+
+err_put:
+ drm_gem_object_put(&bo->base);
+ return NULL;
+}
+
+void ivpu_bo_free_internal(struct ivpu_bo *bo)
+{
+ drm_gem_object_put(&bo->base);
+}
+
+struct drm_gem_object *ivpu_gem_prime_import(struct drm_device *dev, struct dma_buf *buf)
+{
+ struct ivpu_device *vdev = to_ivpu_device(dev);
+ struct dma_buf_attachment *attach;
+ struct ivpu_bo *bo;
+
+ attach = dma_buf_attach(buf, dev->dev);
+ if (IS_ERR(attach))
+ return ERR_CAST(attach);
+
+ get_dma_buf(buf);
+
+ bo = ivpu_bo_alloc(vdev, NULL, buf->size, DRM_IVPU_BO_MAPPABLE, &prime_ops, NULL, 0);
+ if (IS_ERR(bo)) {
+ ivpu_err(vdev, "Failed to import BO: %pe (size %lu)", bo, buf->size);
+ goto err_detach;
+ }
+
+ lockdep_set_class(&bo->lock, &prime_bo_lock_class_key);
+
+ bo->base.import_attach = attach;
+
+ return &bo->base;
+
+err_detach:
+ dma_buf_detach(buf, attach);
+ dma_buf_put(buf);
+ return ERR_CAST(bo);
+}
+
+int ivpu_bo_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
+{
+ struct ivpu_file_priv *file_priv = file->driver_priv;
+ struct ivpu_device *vdev = to_ivpu_device(dev);
+ struct drm_ivpu_bo_info *args = data;
+ struct drm_gem_object *obj;
+ struct ivpu_bo *bo;
+ int ret = 0;
+
+ obj = drm_gem_object_lookup(file, args->handle);
+ if (!obj)
+ return -ENOENT;
+
+ bo = to_ivpu_bo(obj);
+
+ mutex_lock(&bo->lock);
+
+ if (!bo->ctx) {
+ ret = ivpu_bo_alloc_vpu_addr(bo, &file_priv->ctx, NULL);
+ if (ret) {
+ ivpu_err(vdev, "Failed to allocate vpu_addr: %d\n", ret);
+ goto unlock;
+ }
+ }
+
+ args->flags = bo->flags;
+ args->mmap_offset = drm_vma_node_offset_addr(&obj->vma_node);
+ args->vpu_addr = bo->vpu_addr;
+ args->size = obj->size;
+unlock:
+ mutex_unlock(&bo->lock);
+ drm_gem_object_put(obj);
+ return ret;
+}
+
+int ivpu_bo_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
+{
+ struct drm_ivpu_bo_wait *args = data;
+ struct drm_gem_object *obj;
+ unsigned long timeout;
+ long ret;
+
+ timeout = drm_timeout_abs_to_jiffies(args->timeout_ns);
+
+ obj = drm_gem_object_lookup(file, args->handle);
+ if (!obj)
+ return -EINVAL;
+
+ ret = dma_resv_wait_timeout(obj->resv, DMA_RESV_USAGE_READ, true, timeout);
+ if (ret == 0) {
+ ret = -ETIMEDOUT;
+ } else if (ret > 0) {
+ ret = 0;
+ args->job_status = to_ivpu_bo(obj)->job_status;
+ }
+
+ drm_gem_object_put(obj);
+
+ return ret;
+}
+
+static void ivpu_bo_print_info(struct ivpu_bo *bo, struct drm_printer *p)
+{
+ unsigned long dma_refcount = 0;
+
+ if (bo->base.dma_buf && bo->base.dma_buf->file)
+ dma_refcount = atomic_long_read(&bo->base.dma_buf->file->f_count);
+
+ drm_printf(p, "%5u %6d %16llx %10lu %10u %12lu %14s\n",
+ bo->ctx->id, bo->handle, bo->vpu_addr, bo->base.size,
+ kref_read(&bo->base.refcount), dma_refcount, bo->ops->name);
+}
+
+void ivpu_bo_list(struct drm_device *dev, struct drm_printer *p)
+{
+ struct ivpu_device *vdev = to_ivpu_device(dev);
+ struct ivpu_file_priv *file_priv;
+ unsigned long ctx_id;
+ struct ivpu_bo *bo;
+
+ drm_printf(p, "%5s %6s %16s %10s %10s %12s %14s\n",
+ "ctx", "handle", "vpu_addr", "size", "refcount", "dma_refcount", "type");
+
+ mutex_lock(&vdev->gctx.lock);
+ list_for_each_entry(bo, &vdev->gctx.bo_list, ctx_node)
+ ivpu_bo_print_info(bo, p);
+ mutex_unlock(&vdev->gctx.lock);
+
+ xa_for_each(&vdev->context_xa, ctx_id, file_priv) {
+ file_priv = ivpu_file_priv_get_by_ctx_id(vdev, ctx_id);
+ if (!file_priv)
+ continue;
+
+ mutex_lock(&file_priv->ctx.lock);
+ list_for_each_entry(bo, &file_priv->ctx.bo_list, ctx_node)
+ ivpu_bo_print_info(bo, p);
+ mutex_unlock(&file_priv->ctx.lock);
+
+ ivpu_file_priv_put(&file_priv);
+ }
+}
+
+void ivpu_bo_list_print(struct drm_device *dev)
+{
+ struct drm_printer p = drm_info_printer(dev->dev);
+
+ ivpu_bo_list(dev, &p);
+}