[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / gpu / drm / radeon / radeon_gem.c

/*
 * Copyright 2008 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 * Copyright 2009 Jerome Glisse.
 *
 * 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.
 *
 * Authors: Dave Airlie
 *          Alex Deucher
 *          Jerome Glisse
 */
#include "drmP.h"
#include "drm.h"
#include "radeon_drm.h"
#include "radeon.h"

int radeon_gem_object_init(struct drm_gem_object *obj)
{
	BUG();

	return 0;
}

void radeon_gem_object_free(struct drm_gem_object *gobj)
{
	struct radeon_bo *robj = gem_to_radeon_bo(gobj);

	if (robj) {
		radeon_bo_unref(&robj);
	}
}

int radeon_gem_object_create(struct radeon_device *rdev, int size,
				int alignment, int initial_domain,
				bool discardable, bool kernel,
				struct drm_gem_object **obj)
{
	struct radeon_bo *robj;
	int r;

	*obj = NULL;
	/* At least align on page size */
	if (alignment < PAGE_SIZE) {
		alignment = PAGE_SIZE;
	}
	r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain, &robj);
	if (r) {
		if (r != -ERESTARTSYS)
			DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
				  size, initial_domain, alignment, r);
		return r;
	}
	*obj = &robj->gem_base;

	mutex_lock(&rdev->gem.mutex);
	list_add_tail(&robj->list, &rdev->gem.objects);
	mutex_unlock(&rdev->gem.mutex);

	return 0;
}

int radeon_gem_set_domain(struct drm_gem_object *gobj,
			  uint32_t rdomain, uint32_t wdomain)
{
	struct radeon_bo *robj;
	uint32_t domain;
	int r;

	/* FIXME: reeimplement */
	robj = gem_to_radeon_bo(gobj);
	/* work out where to validate the buffer to */
	domain = wdomain;
	if (!domain) {
		domain = rdomain;
	}
	if (!domain) {
		/* Do nothings */
		printk(KERN_WARNING "Set domain withou domain !\n");
		return 0;
	}
	if (domain == RADEON_GEM_DOMAIN_CPU) {
		/* Asking for cpu access wait for object idle */
		r = radeon_bo_wait(robj, NULL, false);
		if (r) {
			printk(KERN_ERR "Failed to wait for object !\n");
			return r;
		}
	}
	return 0;
}

int radeon_gem_init(struct radeon_device *rdev)
{
	INIT_LIST_HEAD(&rdev->gem.objects);
	return 0;
}

void radeon_gem_fini(struct radeon_device *rdev)
{
	radeon_bo_force_delete(rdev);
}

/*
 * Call from drm_gem_handle_create which appear in both new and open ioctl
 * case.
 */
int radeon_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv)
{
	return 0;
}

void radeon_gem_object_close(struct drm_gem_object *obj,
			     struct drm_file *file_priv)
{
	struct radeon_bo *rbo = gem_to_radeon_bo(obj);
	struct radeon_device *rdev = rbo->rdev;
	struct radeon_fpriv *fpriv = file_priv->driver_priv;
	struct radeon_vm *vm = &fpriv->vm;
	struct radeon_bo_va *bo_va, *tmp;

	if (rdev->family < CHIP_CAYMAN) {
		return;
	}

	if (radeon_bo_reserve(rbo, false)) {
		return;
	}
	list_for_each_entry_safe(bo_va, tmp, &rbo->va, bo_list) {
		if (bo_va->vm == vm) {
			/* remove from this vm address space */
			mutex_lock(&vm->mutex);
			list_del(&bo_va->vm_list);
			mutex_unlock(&vm->mutex);
			list_del(&bo_va->bo_list);
			kfree(bo_va);
		}
	}
	radeon_bo_unreserve(rbo);
}


/*
 * GEM ioctls.
 */
int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
			  struct drm_file *filp)
{
	struct radeon_device *rdev = dev->dev_private;
	struct drm_radeon_gem_info *args = data;
	struct ttm_mem_type_manager *man;
	unsigned i;

	man = &rdev->mman.bdev.man[TTM_PL_VRAM];

	args->vram_size = rdev->mc.real_vram_size;
	args->vram_visible = (u64)man->size << PAGE_SHIFT;
	if (rdev->stollen_vga_memory)
		args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory);
	args->vram_visible -= radeon_fbdev_total_size(rdev);
	args->gart_size = rdev->mc.gtt_size - 4096 - RADEON_IB_POOL_SIZE*64*1024;
	for(i = 0; i < RADEON_NUM_RINGS; ++i)
		args->gart_size -= rdev->ring[i].ring_size;
	return 0;
}

int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
			   struct drm_file *filp)
{
	/* TODO: implement */
	DRM_ERROR("unimplemented %s\n", __func__);
	return -ENOSYS;
}

int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
			    struct drm_file *filp)
{
	/* TODO: implement */
	DRM_ERROR("unimplemented %s\n", __func__);
	return -ENOSYS;
}

int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
			    struct drm_file *filp)
{
	struct radeon_device *rdev = dev->dev_private;
	struct drm_radeon_gem_create *args = data;
	struct drm_gem_object *gobj;
	uint32_t handle;
	int r;

	/* create a gem object to contain this object in */
	args->size = roundup(args->size, PAGE_SIZE);
	r = radeon_gem_object_create(rdev, args->size, args->alignment,
					args->initial_domain, false,
					false, &gobj);
	if (r) {
		return r;
	}
	r = drm_gem_handle_create(filp, gobj, &handle);
	/* drop reference from allocate - handle holds it now */
	drm_gem_object_unreference_unlocked(gobj);
	if (r) {
		return r;
	}
	args->handle = handle;
	return 0;
}

int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
				struct drm_file *filp)
{
	/* transition the BO to a domain -
	 * just validate the BO into a certain domain */
	struct drm_radeon_gem_set_domain *args = data;
	struct drm_gem_object *gobj;
	struct radeon_bo *robj;
	int r;

	/* for now if someone requests domain CPU -
	 * just make sure the buffer is finished with */

	/* just do a BO wait for now */
	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	if (gobj == NULL) {
		return -ENOENT;
	}
	robj = gem_to_radeon_bo(gobj);

	r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);

	drm_gem_object_unreference_unlocked(gobj);
	return r;
}

int radeon_mode_dumb_mmap(struct drm_file *filp,
			  struct drm_device *dev,
			  uint32_t handle, uint64_t *offset_p)
{
	struct drm_gem_object *gobj;
	struct radeon_bo *robj;

	gobj = drm_gem_object_lookup(dev, filp, handle);
	if (gobj == NULL) {
		return -ENOENT;
	}
	robj = gem_to_radeon_bo(gobj);
	*offset_p = radeon_bo_mmap_offset(robj);
	drm_gem_object_unreference_unlocked(gobj);
	return 0;
}

int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
			  struct drm_file *filp)
{
	struct drm_radeon_gem_mmap *args = data;

	return radeon_mode_dumb_mmap(filp, dev, args->handle, &args->addr_ptr);
}

int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
			  struct drm_file *filp)
{
	struct drm_radeon_gem_busy *args = data;
	struct drm_gem_object *gobj;
	struct radeon_bo *robj;
	int r;
	uint32_t cur_placement = 0;

	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	if (gobj == NULL) {
		return -ENOENT;
	}
	robj = gem_to_radeon_bo(gobj);
	r = radeon_bo_wait(robj, &cur_placement, true);
	switch (cur_placement) {
	case TTM_PL_VRAM:
		args->domain = RADEON_GEM_DOMAIN_VRAM;
		break;
	case TTM_PL_TT:
		args->domain = RADEON_GEM_DOMAIN_GTT;
		break;
	case TTM_PL_SYSTEM:
		args->domain = RADEON_GEM_DOMAIN_CPU;
	default:
		break;
	}
	drm_gem_object_unreference_unlocked(gobj);
	return r;
}

int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
			      struct drm_file *filp)
{
	struct drm_radeon_gem_wait_idle *args = data;
	struct drm_gem_object *gobj;
	struct radeon_bo *robj;
	int r;

	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	if (gobj == NULL) {
		return -ENOENT;
	}
	robj = gem_to_radeon_bo(gobj);
	r = radeon_bo_wait(robj, NULL, false);
	/* callback hw specific functions if any */
	if (robj->rdev->asic->ioctl_wait_idle)
		robj->rdev->asic->ioctl_wait_idle(robj->rdev, robj);
	drm_gem_object_unreference_unlocked(gobj);
	return r;
}

int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
				struct drm_file *filp)
{
	struct drm_radeon_gem_set_tiling *args = data;
	struct drm_gem_object *gobj;
	struct radeon_bo *robj;
	int r = 0;

	DRM_DEBUG("%d \n", args->handle);
	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	if (gobj == NULL)
		return -ENOENT;
	robj = gem_to_radeon_bo(gobj);
	r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
	drm_gem_object_unreference_unlocked(gobj);
	return r;
}

int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
				struct drm_file *filp)
{
	struct drm_radeon_gem_get_tiling *args = data;
	struct drm_gem_object *gobj;
	struct radeon_bo *rbo;
	int r = 0;

	DRM_DEBUG("\n");
	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	if (gobj == NULL)
		return -ENOENT;
	rbo = gem_to_radeon_bo(gobj);
	r = radeon_bo_reserve(rbo, false);
	if (unlikely(r != 0))
		goto out;
	radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
	radeon_bo_unreserve(rbo);
out:
	drm_gem_object_unreference_unlocked(gobj);
	return r;
}

int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
			  struct drm_file *filp)
{
	struct drm_radeon_gem_va *args = data;
	struct drm_gem_object *gobj;
	struct radeon_device *rdev = dev->dev_private;
	struct radeon_fpriv *fpriv = filp->driver_priv;
	struct radeon_bo *rbo;
	struct radeon_bo_va *bo_va;
	u32 invalid_flags;
	int r = 0;

	if (!rdev->vm_manager.enabled) {
		args->operation = RADEON_VA_RESULT_ERROR;
		return -ENOTTY;
	}

	/* !! DONT REMOVE !!
	 * We don't support vm_id yet, to be sure we don't have have broken
	 * userspace, reject anyone trying to use non 0 value thus moving
	 * forward we can use those fields without breaking existant userspace
	 */
	if (args->vm_id) {
		args->operation = RADEON_VA_RESULT_ERROR;
		return -EINVAL;
	}

	if (args->offset < RADEON_VA_RESERVED_SIZE) {
		dev_err(&dev->pdev->dev,
			"offset 0x%lX is in reserved area 0x%X\n",
			(unsigned long)args->offset,
			RADEON_VA_RESERVED_SIZE);
		args->operation = RADEON_VA_RESULT_ERROR;
		return -EINVAL;
	}

	/* don't remove, we need to enforce userspace to set the snooped flag
	 * otherwise we will endup with broken userspace and we won't be able
	 * to enable this feature without adding new interface
	 */
	invalid_flags = RADEON_VM_PAGE_VALID | RADEON_VM_PAGE_SYSTEM;
	if ((args->flags & invalid_flags)) {
		dev_err(&dev->pdev->dev, "invalid flags 0x%08X vs 0x%08X\n",
			args->flags, invalid_flags);
		args->operation = RADEON_VA_RESULT_ERROR;
		return -EINVAL;
	}
	if (!(args->flags & RADEON_VM_PAGE_SNOOPED)) {
		dev_err(&dev->pdev->dev, "only supported snooped mapping for now\n");
		args->operation = RADEON_VA_RESULT_ERROR;
		return -EINVAL;
	}

	switch (args->operation) {
	case RADEON_VA_MAP:
	case RADEON_VA_UNMAP:
		break;
	default:
		dev_err(&dev->pdev->dev, "unsupported operation %d\n",
			args->operation);
		args->operation = RADEON_VA_RESULT_ERROR;
		return -EINVAL;
	}

	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	if (gobj == NULL) {
		args->operation = RADEON_VA_RESULT_ERROR;
		return -ENOENT;
	}
	rbo = gem_to_radeon_bo(gobj);
	r = radeon_bo_reserve(rbo, false);
	if (r) {
		args->operation = RADEON_VA_RESULT_ERROR;
		drm_gem_object_unreference_unlocked(gobj);
		return r;
	}
	switch (args->operation) {
	case RADEON_VA_MAP:
		bo_va = radeon_bo_va(rbo, &fpriv->vm);
		if (bo_va) {
			args->operation = RADEON_VA_RESULT_VA_EXIST;
			args->offset = bo_va->soffset;
			goto out;
		}
		r = radeon_vm_bo_add(rdev, &fpriv->vm, rbo,
				     args->offset, args->flags);
		break;
	case RADEON_VA_UNMAP:
		r = radeon_vm_bo_rmv(rdev, &fpriv->vm, rbo);
		break;
	default:
		break;
	}
	args->operation = RADEON_VA_RESULT_OK;
	if (r) {
		args->operation = RADEON_VA_RESULT_ERROR;
	}
out:
	radeon_bo_unreserve(rbo);
	drm_gem_object_unreference_unlocked(gobj);
	return r;
}

int radeon_mode_dumb_create(struct drm_file *file_priv,
			    struct drm_device *dev,
			    struct drm_mode_create_dumb *args)
{
	struct radeon_device *rdev = dev->dev_private;
	struct drm_gem_object *gobj;
	uint32_t handle;
	int r;

	args->pitch = radeon_align_pitch(rdev, args->width, args->bpp, 0) * ((args->bpp + 1) / 8);
	args->size = args->pitch * args->height;
	args->size = ALIGN(args->size, PAGE_SIZE);

	r = radeon_gem_object_create(rdev, args->size, 0,
				     RADEON_GEM_DOMAIN_VRAM,
				     false, ttm_bo_type_device,
				     &gobj);
	if (r)
		return -ENOMEM;

	r = drm_gem_handle_create(file_priv, gobj, &handle);
	/* drop reference from allocate - handle holds it now */
	drm_gem_object_unreference_unlocked(gobj);
	if (r) {
		return r;
	}
	args->handle = handle;
	return 0;
}

int radeon_mode_dumb_destroy(struct drm_file *file_priv,
			     struct drm_device *dev,
			     uint32_t handle)
{
	return drm_gem_handle_delete(file_priv, handle);
}
Commit	Line	Data
771fe6b9 JG	1	/*
	2	* Copyright 2008 Advanced Micro Devices, Inc.
	3	* Copyright 2008 Red Hat Inc.
	4	* Copyright 2009 Jerome Glisse.
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a
	7	* copy of this software and associated documentation files (the "Software"),
	8	* to deal in the Software without restriction, including without limitation
	9	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	10	* and/or sell copies of the Software, and to permit persons to whom the
	11	* Software is furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	20	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	21	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	22	* OTHER DEALINGS IN THE SOFTWARE.
	23	*
	24	* Authors: Dave Airlie
	25	* Alex Deucher
	26	* Jerome Glisse
	27	*/
	28	#include "drmP.h"
	29	#include "drm.h"
	30	#include "radeon_drm.h"
	31	#include "radeon.h"
	32
	33	int radeon_gem_object_init(struct drm_gem_object *obj)
	34	{
441921d5 DV	35	BUG();
441921d5 DV	36
771fe6b9 JG	37	return 0;
	38	}
	39
	40	void radeon_gem_object_free(struct drm_gem_object *gobj)
	41	{
7e4d15d9	42	struct radeon_bo *robj = gem_to_radeon_bo(gobj);
771fe6b9	43
771fe6b9	44	if (robj) {
4c788679	45	radeon_bo_unref(&robj);
771fe6b9 JG	46	}
	47	}
	48
	49	int radeon_gem_object_create(struct radeon_device *rdev, int size,
4c788679 JG	50	int alignment, int initial_domain,
	51	bool discardable, bool kernel,
	52	struct drm_gem_object **obj)
771fe6b9	53	{
4c788679	54	struct radeon_bo *robj;
771fe6b9 JG	55	int r;
	56
	57	*obj = NULL;
771fe6b9 JG	58	/* At least align on page size */
	59	if (alignment < PAGE_SIZE) {
	60	alignment = PAGE_SIZE;
	61	}
441921d5	62	r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain, &robj);
771fe6b9	63	if (r) {
ecabd32a DA	64	if (r != -ERESTARTSYS)
	65	DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
	66	size, initial_domain, alignment, r);
771fe6b9 JG	67	return r;
771fe6b9 JG	68	}
441921d5 DV	69	*obj = &robj->gem_base;
	70
	71	mutex_lock(&rdev->gem.mutex);
	72	list_add_tail(&robj->list, &rdev->gem.objects);
	73	mutex_unlock(&rdev->gem.mutex);
	74
771fe6b9 JG	75	return 0;
	76	}
	77
771fe6b9 JG	78	int radeon_gem_set_domain(struct drm_gem_object *gobj,
	79	uint32_t rdomain, uint32_t wdomain)
	80	{
4c788679	81	struct radeon_bo *robj;
771fe6b9 JG	82	uint32_t domain;
	83	int r;
	84
	85	/* FIXME: reeimplement */
7e4d15d9	86	robj = gem_to_radeon_bo(gobj);
771fe6b9 JG	87	/* work out where to validate the buffer to */
	88	domain = wdomain;
	89	if (!domain) {
	90	domain = rdomain;
	91	}
	92	if (!domain) {
	93	/* Do nothings */
	94	printk(KERN_WARNING "Set domain withou domain !\n");
	95	return 0;
	96	}
	97	if (domain == RADEON_GEM_DOMAIN_CPU) {
	98	/* Asking for cpu access wait for object idle */
4c788679	99	r = radeon_bo_wait(robj, NULL, false);
771fe6b9 JG	100	if (r) {
	101	printk(KERN_ERR "Failed to wait for object !\n");
	102	return r;
	103	}
	104	}
	105	return 0;
	106	}
	107
	108	int radeon_gem_init(struct radeon_device *rdev)
	109	{
	110	INIT_LIST_HEAD(&rdev->gem.objects);
	111	return 0;
	112	}
	113
	114	void radeon_gem_fini(struct radeon_device *rdev)
	115	{
4c788679	116	radeon_bo_force_delete(rdev);
771fe6b9 JG	117	}
771fe6b9 JG	118
721604a1 JG	119	/*
	120	* Call from drm_gem_handle_create which appear in both new and open ioctl
	121	* case.
	122	*/
	123	int radeon_gem_object_open(struct drm_gem_object obj, struct drm_file file_priv)
	124	{
	125	return 0;
	126	}
	127
	128	void radeon_gem_object_close(struct drm_gem_object *obj,
	129	struct drm_file *file_priv)
	130	{
	131	struct radeon_bo *rbo = gem_to_radeon_bo(obj);
	132	struct radeon_device *rdev = rbo->rdev;
	133	struct radeon_fpriv *fpriv = file_priv->driver_priv;
	134	struct radeon_vm *vm = &fpriv->vm;
	135	struct radeon_bo_va bo_va, tmp;
	136
	137	if (rdev->family < CHIP_CAYMAN) {
	138	return;
	139	}
	140
	141	if (radeon_bo_reserve(rbo, false)) {
	142	return;
	143	}
	144	list_for_each_entry_safe(bo_va, tmp, &rbo->va, bo_list) {
	145	if (bo_va->vm == vm) {
	146	/* remove from this vm address space */
	147	mutex_lock(&vm->mutex);
	148	list_del(&bo_va->vm_list);
	149	mutex_unlock(&vm->mutex);
	150	list_del(&bo_va->bo_list);
	151	kfree(bo_va);
	152	}
	153	}
	154	radeon_bo_unreserve(rbo);
	155	}
	156
771fe6b9 JG	157
	158	/*
	159	* GEM ioctls.
	160	*/
	161	int radeon_gem_info_ioctl(struct drm_device dev, void data,
	162	struct drm_file *filp)
	163	{
	164	struct radeon_device *rdev = dev->dev_private;
	165	struct drm_radeon_gem_info *args = data;
53595338	166	struct ttm_mem_type_manager *man;
bf852799	167	unsigned i;
53595338 DA	168
53595338 DA	169	man = &rdev->mman.bdev.man[TTM_PL_VRAM];
771fe6b9	170
7a50f01a	171	args->vram_size = rdev->mc.real_vram_size;
53595338	172	args->vram_visible = (u64)man->size << PAGE_SHIFT;
38e14921	173	if (rdev->stollen_vga_memory)
4c788679	174	args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory);
38651674	175	args->vram_visible -= radeon_fbdev_total_size(rdev);
7b1f2485	176	args->gart_size = rdev->mc.gtt_size - 4096 - RADEON_IB_POOL_SIZE641024;
bf852799	177	for(i = 0; i < RADEON_NUM_RINGS; ++i)
e32eb50d	178	args->gart_size -= rdev->ring[i].ring_size;
771fe6b9 JG	179	return 0;
	180	}
	181
	182	int radeon_gem_pread_ioctl(struct drm_device dev, void data,
	183	struct drm_file *filp)
	184	{
	185	/* TODO: implement */
	186	DRM_ERROR("unimplemented %s\n", __func__);
	187	return -ENOSYS;
	188	}
	189
	190	int radeon_gem_pwrite_ioctl(struct drm_device dev, void data,
	191	struct drm_file *filp)
	192	{
	193	/* TODO: implement */
	194	DRM_ERROR("unimplemented %s\n", __func__);
	195	return -ENOSYS;
	196	}
	197
	198	int radeon_gem_create_ioctl(struct drm_device dev, void data,
	199	struct drm_file *filp)
	200	{
	201	struct radeon_device *rdev = dev->dev_private;
	202	struct drm_radeon_gem_create *args = data;
	203	struct drm_gem_object *gobj;
	204	uint32_t handle;
	205	int r;
	206
	207	/* create a gem object to contain this object in */
	208	args->size = roundup(args->size, PAGE_SIZE);
	209	r = radeon_gem_object_create(rdev, args->size, args->alignment,
4c788679 JG	210	args->initial_domain, false,
4c788679 JG	211	false, &gobj);
771fe6b9 JG	212	if (r) {
	213	return r;
	214	}
	215	r = drm_gem_handle_create(filp, gobj, &handle);
29d08b3e DA	216	/* drop reference from allocate - handle holds it now */
29d08b3e DA	217	drm_gem_object_unreference_unlocked(gobj);
771fe6b9	218	if (r) {
771fe6b9 JG	219	return r;
771fe6b9 JG	220	}
771fe6b9 JG	221	args->handle = handle;
	222	return 0;
	223	}
	224
	225	int radeon_gem_set_domain_ioctl(struct drm_device dev, void data,
	226	struct drm_file *filp)
	227	{
	228	/* transition the BO to a domain -
	229	* just validate the BO into a certain domain */
	230	struct drm_radeon_gem_set_domain *args = data;
	231	struct drm_gem_object *gobj;
4c788679	232	struct radeon_bo *robj;
771fe6b9 JG	233	int r;
	234
	235	/* for now if someone requests domain CPU -
	236	* just make sure the buffer is finished with */
	237
	238	/* just do a BO wait for now */
	239	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	240	if (gobj == NULL) {
bf79cb91	241	return -ENOENT;
771fe6b9	242	}
7e4d15d9	243	robj = gem_to_radeon_bo(gobj);
771fe6b9 JG	244
	245	r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
	246
bc9025bd	247	drm_gem_object_unreference_unlocked(gobj);
771fe6b9 JG	248	return r;
	249	}
	250
ff72145b DA	251	int radeon_mode_dumb_mmap(struct drm_file *filp,
	252	struct drm_device *dev,
	253	uint32_t handle, uint64_t *offset_p)
771fe6b9	254	{
771fe6b9	255	struct drm_gem_object *gobj;
4c788679	256	struct radeon_bo *robj;
771fe6b9	257
ff72145b	258	gobj = drm_gem_object_lookup(dev, filp, handle);
771fe6b9	259	if (gobj == NULL) {
bf79cb91	260	return -ENOENT;
771fe6b9	261	}
7e4d15d9	262	robj = gem_to_radeon_bo(gobj);
ff72145b	263	*offset_p = radeon_bo_mmap_offset(robj);
bc9025bd	264	drm_gem_object_unreference_unlocked(gobj);
4c788679	265	return 0;
771fe6b9 JG	266	}
771fe6b9 JG	267
ff72145b DA	268	int radeon_gem_mmap_ioctl(struct drm_device dev, void data,
	269	struct drm_file *filp)
	270	{
	271	struct drm_radeon_gem_mmap *args = data;
	272
	273	return radeon_mode_dumb_mmap(filp, dev, args->handle, &args->addr_ptr);
	274	}
	275
771fe6b9 JG	276	int radeon_gem_busy_ioctl(struct drm_device dev, void data,
	277	struct drm_file *filp)
	278	{
cefb87ef DA	279	struct drm_radeon_gem_busy *args = data;
cefb87ef DA	280	struct drm_gem_object *gobj;
4c788679	281	struct radeon_bo *robj;
cefb87ef	282	int r;
4361e52a	283	uint32_t cur_placement = 0;
cefb87ef DA	284
	285	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	286	if (gobj == NULL) {
bf79cb91	287	return -ENOENT;
cefb87ef	288	}
7e4d15d9	289	robj = gem_to_radeon_bo(gobj);
4c788679	290	r = radeon_bo_wait(robj, &cur_placement, true);
9f844e51 MD	291	switch (cur_placement) {
9f844e51 MD	292	case TTM_PL_VRAM:
cefb87ef	293	args->domain = RADEON_GEM_DOMAIN_VRAM;
9f844e51 MD	294	break;
9f844e51 MD	295	case TTM_PL_TT:
cefb87ef	296	args->domain = RADEON_GEM_DOMAIN_GTT;
9f844e51 MD	297	break;
9f844e51 MD	298	case TTM_PL_SYSTEM:
cefb87ef	299	args->domain = RADEON_GEM_DOMAIN_CPU;
9f844e51 MD	300	default:
	301	break;
	302	}
bc9025bd	303	drm_gem_object_unreference_unlocked(gobj);
e3b2415e	304	return r;
771fe6b9 JG	305	}
	306
	307	int radeon_gem_wait_idle_ioctl(struct drm_device dev, void data,
	308	struct drm_file *filp)
	309	{
	310	struct drm_radeon_gem_wait_idle *args = data;
	311	struct drm_gem_object *gobj;
4c788679	312	struct radeon_bo *robj;
771fe6b9 JG	313	int r;
	314
	315	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	316	if (gobj == NULL) {
bf79cb91	317	return -ENOENT;
771fe6b9	318	}
7e4d15d9	319	robj = gem_to_radeon_bo(gobj);
4c788679	320	r = radeon_bo_wait(robj, NULL, false);
062b389c JG	321	/* callback hw specific functions if any */
	322	if (robj->rdev->asic->ioctl_wait_idle)
	323	robj->rdev->asic->ioctl_wait_idle(robj->rdev, robj);
bc9025bd	324	drm_gem_object_unreference_unlocked(gobj);
771fe6b9 JG	325	return r;
771fe6b9 JG	326	}
e024e110 DA	327
	328	int radeon_gem_set_tiling_ioctl(struct drm_device dev, void data,
	329	struct drm_file *filp)
	330	{
	331	struct drm_radeon_gem_set_tiling *args = data;
	332	struct drm_gem_object *gobj;
4c788679	333	struct radeon_bo *robj;
e024e110 DA	334	int r = 0;
	335
	336	DRM_DEBUG("%d \n", args->handle);
	337	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	338	if (gobj == NULL)
bf79cb91	339	return -ENOENT;
7e4d15d9	340	robj = gem_to_radeon_bo(gobj);
4c788679	341	r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
bc9025bd	342	drm_gem_object_unreference_unlocked(gobj);
e024e110 DA	343	return r;
	344	}
	345
	346	int radeon_gem_get_tiling_ioctl(struct drm_device dev, void data,
	347	struct drm_file *filp)
	348	{
	349	struct drm_radeon_gem_get_tiling *args = data;
	350	struct drm_gem_object *gobj;
4c788679	351	struct radeon_bo *rbo;
e024e110 DA	352	int r = 0;
	353
	354	DRM_DEBUG("\n");
	355	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	356	if (gobj == NULL)
bf79cb91	357	return -ENOENT;
7e4d15d9	358	rbo = gem_to_radeon_bo(gobj);
4c788679 JG	359	r = radeon_bo_reserve(rbo, false);
4c788679 JG	360	if (unlikely(r != 0))
51f07b7e	361	goto out;
4c788679 JG	362	radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
4c788679 JG	363	radeon_bo_unreserve(rbo);
51f07b7e	364	out:
bc9025bd	365	drm_gem_object_unreference_unlocked(gobj);
721604a1 JG	366	return r;
	367	}
	368
	369	int radeon_gem_va_ioctl(struct drm_device dev, void data,
	370	struct drm_file *filp)
	371	{
	372	struct drm_radeon_gem_va *args = data;
	373	struct drm_gem_object *gobj;
	374	struct radeon_device *rdev = dev->dev_private;
	375	struct radeon_fpriv *fpriv = filp->driver_priv;
	376	struct radeon_bo *rbo;
	377	struct radeon_bo_va *bo_va;
	378	u32 invalid_flags;
	379	int r = 0;
	380
67e915e4 AD	381	if (!rdev->vm_manager.enabled) {
	382	args->operation = RADEON_VA_RESULT_ERROR;
	383	return -ENOTTY;
	384	}
	385
721604a1 JG	386	/* !! DONT REMOVE !!
	387	* We don't support vm_id yet, to be sure we don't have have broken
	388	* userspace, reject anyone trying to use non 0 value thus moving
	389	* forward we can use those fields without breaking existant userspace
	390	*/
	391	if (args->vm_id) {
	392	args->operation = RADEON_VA_RESULT_ERROR;
	393	return -EINVAL;
	394	}
	395
	396	if (args->offset < RADEON_VA_RESERVED_SIZE) {
	397	dev_err(&dev->pdev->dev,
	398	"offset 0x%lX is in reserved area 0x%X\n",
	399	(unsigned long)args->offset,
	400	RADEON_VA_RESERVED_SIZE);
	401	args->operation = RADEON_VA_RESULT_ERROR;
	402	return -EINVAL;
	403	}
	404
	405	/* don't remove, we need to enforce userspace to set the snooped flag
	406	* otherwise we will endup with broken userspace and we won't be able
	407	* to enable this feature without adding new interface
	408	*/
	409	invalid_flags = RADEON_VM_PAGE_VALID \| RADEON_VM_PAGE_SYSTEM;
	410	if ((args->flags & invalid_flags)) {
	411	dev_err(&dev->pdev->dev, "invalid flags 0x%08X vs 0x%08X\n",
	412	args->flags, invalid_flags);
	413	args->operation = RADEON_VA_RESULT_ERROR;
	414	return -EINVAL;
	415	}
	416	if (!(args->flags & RADEON_VM_PAGE_SNOOPED)) {
	417	dev_err(&dev->pdev->dev, "only supported snooped mapping for now\n");
	418	args->operation = RADEON_VA_RESULT_ERROR;
	419	return -EINVAL;
	420	}
	421
	422	switch (args->operation) {
	423	case RADEON_VA_MAP:
	424	case RADEON_VA_UNMAP:
	425	break;
	426	default:
	427	dev_err(&dev->pdev->dev, "unsupported operation %d\n",
	428	args->operation);
	429	args->operation = RADEON_VA_RESULT_ERROR;
	430	return -EINVAL;
	431	}
	432
	433	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	434	if (gobj == NULL) {
	435	args->operation = RADEON_VA_RESULT_ERROR;
	436	return -ENOENT;
	437	}
	438	rbo = gem_to_radeon_bo(gobj);
	439	r = radeon_bo_reserve(rbo, false);
	440	if (r) {
	441	args->operation = RADEON_VA_RESULT_ERROR;
	442	drm_gem_object_unreference_unlocked(gobj);
	443	return r;
	444	}
	445	switch (args->operation) {
	446	case RADEON_VA_MAP:
	447	bo_va = radeon_bo_va(rbo, &fpriv->vm);
	448	if (bo_va) {
	449	args->operation = RADEON_VA_RESULT_VA_EXIST;
450	args->offset = bo_va->soffset;
451	goto out;
452	}
453	r = radeon_vm_bo_add(rdev, &fpriv->vm, rbo,
454	args->offset, args->flags);
455	break;
456	case RADEON_VA_UNMAP:
457	r = radeon_vm_bo_rmv(rdev, &fpriv->vm, rbo);
458	break;
459	default:
460	break;
461	}
462	args->operation = RADEON_VA_RESULT_OK;
463	if (r) {
464	args->operation = RADEON_VA_RESULT_ERROR;
465	}
466	out:
467	radeon_bo_unreserve(rbo);
468	drm_gem_object_unreference_unlocked(gobj);
e024e110 DA	469	return r;
e024e110 DA	470	}
ff72145b DA	471
	472	int radeon_mode_dumb_create(struct drm_file *file_priv,
	473	struct drm_device *dev,
	474	struct drm_mode_create_dumb *args)
	475	{
	476	struct radeon_device *rdev = dev->dev_private;
	477	struct drm_gem_object *gobj;
c87a8d8d	478	uint32_t handle;
ff72145b DA	479	int r;
	480
	481	args->pitch = radeon_align_pitch(rdev, args->width, args->bpp, 0) * ((args->bpp + 1) / 8);
	482	args->size = args->pitch * args->height;
	483	args->size = ALIGN(args->size, PAGE_SIZE);
	484
	485	r = radeon_gem_object_create(rdev, args->size, 0,
	486	RADEON_GEM_DOMAIN_VRAM,
	487	false, ttm_bo_type_device,
	488	&gobj);
	489	if (r)
	490	return -ENOMEM;
	491
c87a8d8d DA	492	r = drm_gem_handle_create(file_priv, gobj, &handle);
	493	/* drop reference from allocate - handle holds it now */
	494	drm_gem_object_unreference_unlocked(gobj);
ff72145b	495	if (r) {
ff72145b DA	496	return r;
ff72145b DA	497	}
c87a8d8d	498	args->handle = handle;
ff72145b DA	499	return 0;
	500	}
	501
	502	int radeon_mode_dumb_destroy(struct drm_file *file_priv,
	503	struct drm_device *dev,
	504	uint32_t handle)
	505	{
	506	return drm_gem_handle_delete(file_priv, handle);
	507	}