Adding upstream version 2.4.120.upstream/2.4.120

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

1 files changed, 791 insertions, 0 deletions

diff --git a/amdgpu/amdgpu_bo.c b/amdgpu/amdgpu_bo.c
new file mode 100644
index 0000000..672f000
--- /dev/null
+++ b/amdgpu/amdgpu_bo.c
@@ -0,0 +1,791 @@
+/*
+ * Copyright © 2014 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/time.h>
+
+#include "libdrm_macros.h"
+#include "xf86drm.h"
+#include "amdgpu_drm.h"
+#include "amdgpu_internal.h"
+#include "util_math.h"
+
+static int amdgpu_bo_create(amdgpu_device_handle dev,
+			    uint64_t size,
+			    uint32_t handle,
+			    amdgpu_bo_handle *buf_handle)
+{
+	struct amdgpu_bo *bo;
+	int r;
+
+	bo = calloc(1, sizeof(struct amdgpu_bo));
+	if (!bo)
+		return -ENOMEM;
+
+	r = handle_table_insert(&dev->bo_handles, handle, bo);
+	if (r) {
+		free(bo);
+		return r;
+	}
+
+	atomic_set(&bo->refcount, 1);
+	bo->dev = dev;
+	bo->alloc_size = size;
+	bo->handle = handle;
+	pthread_mutex_init(&bo->cpu_access_mutex, NULL);
+
+	*buf_handle = bo;
+	return 0;
+}
+
+drm_public int amdgpu_bo_alloc(amdgpu_device_handle dev,
+			       struct amdgpu_bo_alloc_request *alloc_buffer,
+			       amdgpu_bo_handle *buf_handle)
+{
+	union drm_amdgpu_gem_create args;
+	int r;
+
+	memset(&args, 0, sizeof(args));
+	args.in.bo_size = alloc_buffer->alloc_size;
+	args.in.alignment = alloc_buffer->phys_alignment;
+
+	/* Set the placement. */
+	args.in.domains = alloc_buffer->preferred_heap;
+	args.in.domain_flags = alloc_buffer->flags;
+
+	/* Allocate the buffer with the preferred heap. */
+	r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_GEM_CREATE,
+				&args, sizeof(args));
+	if (r)
+		goto out;
+
+	pthread_mutex_lock(&dev->bo_table_mutex);
+	r = amdgpu_bo_create(dev, alloc_buffer->alloc_size, args.out.handle,
+			     buf_handle);
+	pthread_mutex_unlock(&dev->bo_table_mutex);
+	if (r) {
+		drmCloseBufferHandle(dev->fd, args.out.handle);
+	}
+
+out:
+	return r;
+}
+
+drm_public int amdgpu_bo_set_metadata(amdgpu_bo_handle bo,
+				      struct amdgpu_bo_metadata *info)
+{
+	struct drm_amdgpu_gem_metadata args = {};
+
+	args.handle = bo->handle;
+	args.op = AMDGPU_GEM_METADATA_OP_SET_METADATA;
+	args.data.flags = info->flags;
+	args.data.tiling_info = info->tiling_info;
+
+	if (info->size_metadata > sizeof(args.data.data))
+		return -EINVAL;
+
+	if (info->size_metadata) {
+		args.data.data_size_bytes = info->size_metadata;
+		memcpy(args.data.data, info->umd_metadata, info->size_metadata);
+	}
+
+	return drmCommandWriteRead(bo->dev->fd,
+				   DRM_AMDGPU_GEM_METADATA,
+				   &args, sizeof(args));
+}
+
+drm_public int amdgpu_bo_query_info(amdgpu_bo_handle bo,
+				    struct amdgpu_bo_info *info)
+{
+	struct drm_amdgpu_gem_metadata metadata = {};
+	struct drm_amdgpu_gem_create_in bo_info = {};
+	struct drm_amdgpu_gem_op gem_op = {};
+	int r;
+
+	/* Validate the BO passed in */
+	if (!bo->handle)
+		return -EINVAL;
+
+	/* Query metadata. */
+	metadata.handle = bo->handle;
+	metadata.op = AMDGPU_GEM_METADATA_OP_GET_METADATA;
+
+	r = drmCommandWriteRead(bo->dev->fd, DRM_AMDGPU_GEM_METADATA,
+				&metadata, sizeof(metadata));
+	if (r)
+		return r;
+
+	if (metadata.data.data_size_bytes >
+	    sizeof(info->metadata.umd_metadata))
+		return -EINVAL;
+
+	/* Query buffer info. */
+	gem_op.handle = bo->handle;
+	gem_op.op = AMDGPU_GEM_OP_GET_GEM_CREATE_INFO;
+	gem_op.value = (uintptr_t)&bo_info;
+
+	r = drmCommandWriteRead(bo->dev->fd, DRM_AMDGPU_GEM_OP,
+				&gem_op, sizeof(gem_op));
+	if (r)
+		return r;
+
+	memset(info, 0, sizeof(*info));
+	info->alloc_size = bo_info.bo_size;
+	info->phys_alignment = bo_info.alignment;
+	info->preferred_heap = bo_info.domains;
+	info->alloc_flags = bo_info.domain_flags;
+	info->metadata.flags = metadata.data.flags;
+	info->metadata.tiling_info = metadata.data.tiling_info;
+
+	info->metadata.size_metadata = metadata.data.data_size_bytes;
+	if (metadata.data.data_size_bytes > 0)
+		memcpy(info->metadata.umd_metadata, metadata.data.data,
+		       metadata.data.data_size_bytes);
+
+	return 0;
+}
+
+static int amdgpu_bo_export_flink(amdgpu_bo_handle bo)
+{
+	struct drm_gem_flink flink;
+	int fd, dma_fd;
+	uint32_t handle;
+	int r;
+
+	fd = bo->dev->fd;
+	handle = bo->handle;
+	if (bo->flink_name)
+		return 0;
+
+
+	if (bo->dev->flink_fd != bo->dev->fd) {
+		r = drmPrimeHandleToFD(bo->dev->fd, bo->handle, DRM_CLOEXEC,
+				       &dma_fd);
+		if (!r) {
+			r = drmPrimeFDToHandle(bo->dev->flink_fd, dma_fd, &handle);
+			close(dma_fd);
+		}
+		if (r)
+			return r;
+		fd = bo->dev->flink_fd;
+	}
+	memset(&flink, 0, sizeof(flink));
+	flink.handle = handle;
+
+	r = drmIoctl(fd, DRM_IOCTL_GEM_FLINK, &flink);
+	if (r)
+		return r;
+
+	bo->flink_name = flink.name;
+
+	if (bo->dev->flink_fd != bo->dev->fd)
+		drmCloseBufferHandle(bo->dev->flink_fd, handle);
+
+	pthread_mutex_lock(&bo->dev->bo_table_mutex);
+	r = handle_table_insert(&bo->dev->bo_flink_names, bo->flink_name, bo);
+	pthread_mutex_unlock(&bo->dev->bo_table_mutex);
+
+	return r;
+}
+
+drm_public int amdgpu_bo_export(amdgpu_bo_handle bo,
+				enum amdgpu_bo_handle_type type,
+				uint32_t *shared_handle)
+{
+	int r;
+
+	switch (type) {
+	case amdgpu_bo_handle_type_gem_flink_name:
+		r = amdgpu_bo_export_flink(bo);
+		if (r)
+			return r;
+
+		*shared_handle = bo->flink_name;
+		return 0;
+
+	case amdgpu_bo_handle_type_kms:
+	case amdgpu_bo_handle_type_kms_noimport:
+		*shared_handle = bo->handle;
+		return 0;
+
+	case amdgpu_bo_handle_type_dma_buf_fd:
+		return drmPrimeHandleToFD(bo->dev->fd, bo->handle,
+					  DRM_CLOEXEC | DRM_RDWR,
+					  (int*)shared_handle);
+	}
+	return -EINVAL;
+}
+
+drm_public int amdgpu_bo_import(amdgpu_device_handle dev,
+				enum amdgpu_bo_handle_type type,
+				uint32_t shared_handle,
+		     struct amdgpu_bo_import_result *output)
+{
+	struct drm_gem_open open_arg = {};
+	struct amdgpu_bo *bo = NULL;
+	uint32_t handle = 0, flink_name = 0;
+	uint64_t alloc_size = 0;
+	int r = 0;
+	int dma_fd;
+	uint64_t dma_buf_size = 0;
+
+	/* We must maintain a list of pairs <handle, bo>, so that we always
+	 * return the same amdgpu_bo instance for the same handle. */
+	pthread_mutex_lock(&dev->bo_table_mutex);
+
+	/* Convert a DMA buf handle to a KMS handle now. */
+	if (type == amdgpu_bo_handle_type_dma_buf_fd) {
+		off_t size;
+
+		/* Get a KMS handle. */
+		r = drmPrimeFDToHandle(dev->fd, shared_handle, &handle);
+		if (r)
+			goto unlock;
+
+		/* Query the buffer size. */
+		size = lseek(shared_handle, 0, SEEK_END);
+		if (size == (off_t)-1) {
+			r = -errno;
+			goto free_bo_handle;
+		}
+		lseek(shared_handle, 0, SEEK_SET);
+
+		dma_buf_size = size;
+		shared_handle = handle;
+	}
+
+	/* If we have already created a buffer with this handle, find it. */
+	switch (type) {
+	case amdgpu_bo_handle_type_gem_flink_name:
+		bo = handle_table_lookup(&dev->bo_flink_names, shared_handle);
+		break;
+
+	case amdgpu_bo_handle_type_dma_buf_fd:
+		bo = handle_table_lookup(&dev->bo_handles, shared_handle);
+		break;
+
+	case amdgpu_bo_handle_type_kms:
+	case amdgpu_bo_handle_type_kms_noimport:
+		/* Importing a KMS handle in not allowed. */
+		r = -EPERM;
+		goto unlock;
+
+	default:
+		r = -EINVAL;
+		goto unlock;
+	}
+
+	if (bo) {
+		/* The buffer already exists, just bump the refcount. */
+		atomic_inc(&bo->refcount);
+		pthread_mutex_unlock(&dev->bo_table_mutex);
+
+		output->buf_handle = bo;
+		output->alloc_size = bo->alloc_size;
+		return 0;
+	}
+
+	/* Open the handle. */
+	switch (type) {
+	case amdgpu_bo_handle_type_gem_flink_name:
+		open_arg.name = shared_handle;
+		r = drmIoctl(dev->flink_fd, DRM_IOCTL_GEM_OPEN, &open_arg);
+		if (r)
+			goto unlock;
+
+		flink_name = shared_handle;
+		handle = open_arg.handle;
+		alloc_size = open_arg.size;
+		if (dev->flink_fd != dev->fd) {
+			r = drmPrimeHandleToFD(dev->flink_fd, handle,
+					       DRM_CLOEXEC, &dma_fd);
+			if (r)
+				goto free_bo_handle;
+			r = drmPrimeFDToHandle(dev->fd, dma_fd, &handle);
+			close(dma_fd);
+			if (r)
+				goto free_bo_handle;
+			r = drmCloseBufferHandle(dev->flink_fd,
+						 open_arg.handle);
+			if (r)
+				goto free_bo_handle;
+		}
+		open_arg.handle = 0;
+		break;
+
+	case amdgpu_bo_handle_type_dma_buf_fd:
+		handle = shared_handle;
+		alloc_size = dma_buf_size;
+		break;
+
+	case amdgpu_bo_handle_type_kms:
+	case amdgpu_bo_handle_type_kms_noimport:
+		assert(0); /* unreachable */
+	}
+
+	/* Initialize it. */
+	r = amdgpu_bo_create(dev, alloc_size, handle, &bo);
+	if (r)
+		goto free_bo_handle;
+
+	if (flink_name) {
+		bo->flink_name = flink_name;
+		r = handle_table_insert(&dev->bo_flink_names, flink_name,
+					bo);
+		if (r)
+			goto free_bo_handle;
+
+	}
+
+	output->buf_handle = bo;
+	output->alloc_size = bo->alloc_size;
+	pthread_mutex_unlock(&dev->bo_table_mutex);
+	return 0;
+
+free_bo_handle:
+	if (flink_name && open_arg.handle)
+		drmCloseBufferHandle(dev->flink_fd, open_arg.handle);
+
+	if (bo)
+		amdgpu_bo_free(bo);
+	else
+		drmCloseBufferHandle(dev->fd, handle);
+unlock:
+	pthread_mutex_unlock(&dev->bo_table_mutex);
+	return r;
+}
+
+drm_public int amdgpu_bo_free(amdgpu_bo_handle buf_handle)
+{
+	struct amdgpu_device *dev;
+	struct amdgpu_bo *bo = buf_handle;
+
+	assert(bo != NULL);
+	dev = bo->dev;
+	pthread_mutex_lock(&dev->bo_table_mutex);
+
+	if (update_references(&bo->refcount, NULL)) {
+		/* Remove the buffer from the hash tables. */
+		handle_table_remove(&dev->bo_handles, bo->handle);
+
+		if (bo->flink_name)
+			handle_table_remove(&dev->bo_flink_names,
+					    bo->flink_name);
+
+		/* Release CPU access. */
+		if (bo->cpu_map_count > 0) {
+			bo->cpu_map_count = 1;
+			amdgpu_bo_cpu_unmap(bo);
+		}
+
+		drmCloseBufferHandle(dev->fd, bo->handle);
+		pthread_mutex_destroy(&bo->cpu_access_mutex);
+		free(bo);
+	}
+
+	pthread_mutex_unlock(&dev->bo_table_mutex);
+
+	return 0;
+}
+
+drm_public void amdgpu_bo_inc_ref(amdgpu_bo_handle bo)
+{
+	atomic_inc(&bo->refcount);
+}
+
+drm_public int amdgpu_bo_cpu_map(amdgpu_bo_handle bo, void **cpu)
+{
+	union drm_amdgpu_gem_mmap args;
+	void *ptr;
+	int r;
+
+	pthread_mutex_lock(&bo->cpu_access_mutex);
+
+	if (bo->cpu_ptr) {
+		/* already mapped */
+		assert(bo->cpu_map_count > 0);
+		bo->cpu_map_count++;
+		*cpu = bo->cpu_ptr;
+		pthread_mutex_unlock(&bo->cpu_access_mutex);
+		return 0;
+	}
+
+	assert(bo->cpu_map_count == 0);
+
+	memset(&args, 0, sizeof(args));
+
+	/* Query the buffer address (args.addr_ptr).
+	 * The kernel driver ignores the offset and size parameters. */
+	args.in.handle = bo->handle;
+
+	r = drmCommandWriteRead(bo->dev->fd, DRM_AMDGPU_GEM_MMAP, &args,
+				sizeof(args));
+	if (r) {
+		pthread_mutex_unlock(&bo->cpu_access_mutex);
+		return r;
+	}
+
+	/* Map the buffer. */
+	ptr = drm_mmap(NULL, bo->alloc_size, PROT_READ | PROT_WRITE, MAP_SHARED,
+		       bo->dev->fd, args.out.addr_ptr);
+	if (ptr == MAP_FAILED) {
+		pthread_mutex_unlock(&bo->cpu_access_mutex);
+		return -errno;
+	}
+
+	bo->cpu_ptr = ptr;
+	bo->cpu_map_count = 1;
+	pthread_mutex_unlock(&bo->cpu_access_mutex);
+
+	*cpu = ptr;
+	return 0;
+}
+
+drm_public int amdgpu_bo_cpu_unmap(amdgpu_bo_handle bo)
+{
+	int r;
+
+	pthread_mutex_lock(&bo->cpu_access_mutex);
+	assert(bo->cpu_map_count >= 0);
+
+	if (bo->cpu_map_count == 0) {
+		/* not mapped */
+		pthread_mutex_unlock(&bo->cpu_access_mutex);
+		return -EINVAL;
+	}
+
+	bo->cpu_map_count--;
+	if (bo->cpu_map_count > 0) {
+		/* mapped multiple times */
+		pthread_mutex_unlock(&bo->cpu_access_mutex);
+		return 0;
+	}
+
+	r = drm_munmap(bo->cpu_ptr, bo->alloc_size) == 0 ? 0 : -errno;
+	bo->cpu_ptr = NULL;
+	pthread_mutex_unlock(&bo->cpu_access_mutex);
+	return r;
+}
+
+drm_public int amdgpu_query_buffer_size_alignment(amdgpu_device_handle dev,
+				struct amdgpu_buffer_size_alignments *info)
+{
+	info->size_local = dev->dev_info.pte_fragment_size;
+	info->size_remote = dev->dev_info.gart_page_size;
+	return 0;
+}
+
+drm_public int amdgpu_bo_wait_for_idle(amdgpu_bo_handle bo,
+				       uint64_t timeout_ns,
+			    bool *busy)
+{
+	union drm_amdgpu_gem_wait_idle args;
+	int r;
+
+	memset(&args, 0, sizeof(args));
+	args.in.handle = bo->handle;
+	args.in.timeout = amdgpu_cs_calculate_timeout(timeout_ns);
+
+	r = drmCommandWriteRead(bo->dev->fd, DRM_AMDGPU_GEM_WAIT_IDLE,
+				&args, sizeof(args));
+
+	if (r == 0) {
+		*busy = args.out.status;
+		return 0;
+	} else {
+		fprintf(stderr, "amdgpu: GEM_WAIT_IDLE failed with %i\n", r);
+		return r;
+	}
+}
+
+drm_public int amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev,
+					     void *cpu,
+					     uint64_t size,
+					     amdgpu_bo_handle *buf_handle,
+					     uint64_t *offset_in_bo)
+{
+	struct amdgpu_bo *bo = NULL;
+	uint32_t i;
+	int r = 0;
+
+	if (cpu == NULL || size == 0)
+		return -EINVAL;
+
+	/*
+	 * Workaround for a buggy application which tries to import previously
+	 * exposed CPU pointers. If we find a real world use case we should
+	 * improve that by asking the kernel for the right handle.
+	 */
+	pthread_mutex_lock(&dev->bo_table_mutex);
+	for (i = 0; i < dev->bo_handles.max_key; i++) {
+		bo = handle_table_lookup(&dev->bo_handles, i);
+		if (!bo || !bo->cpu_ptr || size > bo->alloc_size)
+			continue;
+		if (cpu >= bo->cpu_ptr &&
+		    cpu < (void*)((uintptr_t)bo->cpu_ptr + (size_t)bo->alloc_size))
+			break;
+	}
+
+	if (i < dev->bo_handles.max_key) {
+		atomic_inc(&bo->refcount);
+		*buf_handle = bo;
+		*offset_in_bo = (uintptr_t)cpu - (uintptr_t)bo->cpu_ptr;
+	} else {
+		*buf_handle = NULL;
+		*offset_in_bo = 0;
+		r = -ENXIO;
+	}
+	pthread_mutex_unlock(&dev->bo_table_mutex);
+
+	return r;
+}
+
+drm_public int amdgpu_create_bo_from_user_mem(amdgpu_device_handle dev,
+					      void *cpu,
+					      uint64_t size,
+					      amdgpu_bo_handle *buf_handle)
+{
+	int r;
+	struct drm_amdgpu_gem_userptr args;
+
+	args.addr = (uintptr_t)cpu;
+	args.flags = AMDGPU_GEM_USERPTR_ANONONLY | AMDGPU_GEM_USERPTR_REGISTER |
+		AMDGPU_GEM_USERPTR_VALIDATE;
+	args.size = size;
+	r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_GEM_USERPTR,
+				&args, sizeof(args));
+	if (r)
+		goto out;
+
+	pthread_mutex_lock(&dev->bo_table_mutex);
+	r = amdgpu_bo_create(dev, size, args.handle, buf_handle);
+	pthread_mutex_unlock(&dev->bo_table_mutex);
+	if (r) {
+		drmCloseBufferHandle(dev->fd, args.handle);
+	}
+
+out:
+	return r;
+}
+
+drm_public int amdgpu_bo_list_create_raw(amdgpu_device_handle dev,
+					 uint32_t number_of_buffers,
+					 struct drm_amdgpu_bo_list_entry *buffers,
+					 uint32_t *result)
+{
+	union drm_amdgpu_bo_list args;
+	int r;
+
+	memset(&args, 0, sizeof(args));
+	args.in.operation = AMDGPU_BO_LIST_OP_CREATE;
+	args.in.bo_number = number_of_buffers;
+	args.in.bo_info_size = sizeof(struct drm_amdgpu_bo_list_entry);
+	args.in.bo_info_ptr = (uint64_t)(uintptr_t)buffers;
+
+	r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_BO_LIST,
+				&args, sizeof(args));
+	if (!r)
+		*result = args.out.list_handle;
+	return r;
+}
+
+drm_public int amdgpu_bo_list_destroy_raw(amdgpu_device_handle dev,
+					  uint32_t bo_list)
+{
+	union drm_amdgpu_bo_list args;
+
+	memset(&args, 0, sizeof(args));
+	args.in.operation = AMDGPU_BO_LIST_OP_DESTROY;
+	args.in.list_handle = bo_list;
+
+	return drmCommandWriteRead(dev->fd, DRM_AMDGPU_BO_LIST,
+				   &args, sizeof(args));
+}
+
+drm_public int amdgpu_bo_list_create(amdgpu_device_handle dev,
+				     uint32_t number_of_resources,
+				     amdgpu_bo_handle *resources,
+				     uint8_t *resource_prios,
+				     amdgpu_bo_list_handle *result)
+{
+	struct drm_amdgpu_bo_list_entry *list;
+	union drm_amdgpu_bo_list args;
+	unsigned i;
+	int r;
+
+	if (!number_of_resources)
+		return -EINVAL;
+
+	/* overflow check for multiplication */
+	if (number_of_resources > UINT32_MAX / sizeof(struct drm_amdgpu_bo_list_entry))
+		return -EINVAL;
+
+	list = malloc(number_of_resources * sizeof(struct drm_amdgpu_bo_list_entry));
+	if (!list)
+		return -ENOMEM;
+
+	*result = malloc(sizeof(struct amdgpu_bo_list));
+	if (!*result) {
+		free(list);
+		return -ENOMEM;
+	}
+
+	memset(&args, 0, sizeof(args));
+	args.in.operation = AMDGPU_BO_LIST_OP_CREATE;
+	args.in.bo_number = number_of_resources;
+	args.in.bo_info_size = sizeof(struct drm_amdgpu_bo_list_entry);
+	args.in.bo_info_ptr = (uint64_t)(uintptr_t)list;
+
+	for (i = 0; i < number_of_resources; i++) {
+		list[i].bo_handle = resources[i]->handle;
+		if (resource_prios)
+			list[i].bo_priority = resource_prios[i];
+		else
+			list[i].bo_priority = 0;
+	}
+
+	r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_BO_LIST,
+				&args, sizeof(args));
+	free(list);
+	if (r) {
+		free(*result);
+		return r;
+	}
+
+	(*result)->dev = dev;
+	(*result)->handle = args.out.list_handle;
+	return 0;
+}
+
+drm_public int amdgpu_bo_list_destroy(amdgpu_bo_list_handle list)
+{
+	union drm_amdgpu_bo_list args;
+	int r;
+
+	memset(&args, 0, sizeof(args));
+	args.in.operation = AMDGPU_BO_LIST_OP_DESTROY;
+	args.in.list_handle = list->handle;
+
+	r = drmCommandWriteRead(list->dev->fd, DRM_AMDGPU_BO_LIST,
+				&args, sizeof(args));
+
+	if (!r)
+		free(list);
+
+	return r;
+}
+
+drm_public int amdgpu_bo_list_update(amdgpu_bo_list_handle handle,
+				     uint32_t number_of_resources,
+				     amdgpu_bo_handle *resources,
+				     uint8_t *resource_prios)
+{
+	struct drm_amdgpu_bo_list_entry *list;
+	union drm_amdgpu_bo_list args;
+	unsigned i;
+	int r;
+
+	if (!number_of_resources)
+		return -EINVAL;
+
+	/* overflow check for multiplication */
+	if (number_of_resources > UINT32_MAX / sizeof(struct drm_amdgpu_bo_list_entry))
+		return -EINVAL;
+
+	list = malloc(number_of_resources * sizeof(struct drm_amdgpu_bo_list_entry));
+	if (!list)
+		return -ENOMEM;
+
+	args.in.operation = AMDGPU_BO_LIST_OP_UPDATE;
+	args.in.list_handle = handle->handle;
+	args.in.bo_number = number_of_resources;
+	args.in.bo_info_size = sizeof(struct drm_amdgpu_bo_list_entry);
+	args.in.bo_info_ptr = (uintptr_t)list;
+
+	for (i = 0; i < number_of_resources; i++) {
+		list[i].bo_handle = resources[i]->handle;
+		if (resource_prios)
+			list[i].bo_priority = resource_prios[i];
+		else
+			list[i].bo_priority = 0;
+	}
+
+	r = drmCommandWriteRead(handle->dev->fd, DRM_AMDGPU_BO_LIST,
+				&args, sizeof(args));
+	free(list);
+	return r;
+}
+
+drm_public int amdgpu_bo_va_op(amdgpu_bo_handle bo,
+			       uint64_t offset,
+			       uint64_t size,
+			       uint64_t addr,
+			       uint64_t flags,
+			       uint32_t ops)
+{
+	amdgpu_device_handle dev = bo->dev;
+
+	size = ALIGN(size, getpagesize());
+
+	return amdgpu_bo_va_op_raw(dev, bo, offset, size, addr,
+				   AMDGPU_VM_PAGE_READABLE |
+				   AMDGPU_VM_PAGE_WRITEABLE |
+				   AMDGPU_VM_PAGE_EXECUTABLE, ops);
+}
+
+drm_public int amdgpu_bo_va_op_raw(amdgpu_device_handle dev,
+				   amdgpu_bo_handle bo,
+				   uint64_t offset,
+				   uint64_t size,
+				   uint64_t addr,
+				   uint64_t flags,
+				   uint32_t ops)
+{
+	struct drm_amdgpu_gem_va va;
+	int r;
+
+	if (ops != AMDGPU_VA_OP_MAP && ops != AMDGPU_VA_OP_UNMAP &&
+	    ops != AMDGPU_VA_OP_REPLACE && ops != AMDGPU_VA_OP_CLEAR)
+		return -EINVAL;
+
+	memset(&va, 0, sizeof(va));
+	va.handle = bo ? bo->handle : 0;
+	va.operation = ops;
+	va.flags = flags;
+	va.va_address = addr;
+	va.offset_in_bo = offset;
+	va.map_size = size;
+
+	r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_GEM_VA, &va, sizeof(va));
+
+	return r;
+}