--- /dev/null
+/*
+ * 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 <drm/drmP.h>
+#include <drm/radeon_drm.h>
+#include "radeon.h"
+
+void radeon_gem_object_free(struct drm_gem_object *gobj)
+{
+ struct radeon_bo *robj = gem_to_radeon_bo(gobj);
+
+ if (robj) {
+ if (robj->gem_base.import_attach)
+ drm_prime_gem_destroy(&robj->gem_base, robj->tbo.sg);
+ radeon_bo_unref(&robj);
+ }
+}
+
+int radeon_gem_object_create(struct radeon_device *rdev, unsigned long size,
+ int alignment, int initial_domain,
+ u32 flags, bool kernel,
+ struct drm_gem_object **obj)
+{
+ struct radeon_bo *robj;
+ unsigned long max_size;
+ int r;
+
+ *obj = NULL;
+ /* At least align on page size */
+ if (alignment < PAGE_SIZE) {
+ alignment = PAGE_SIZE;
+ }
+
+ /* Maximum bo size is the unpinned gtt size since we use the gtt to
+ * handle vram to system pool migrations.
+ */
+ max_size = rdev->mc.gtt_size - rdev->gart_pin_size;
+ if (size > max_size) {
+ DRM_DEBUG("Allocation size %ldMb bigger than %ldMb limit\n",
+ size >> 20, max_size >> 20);
+ return -ENOMEM;
+ }
+
+retry:
+ r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain,
+ flags, NULL, NULL, &robj);
+ if (r) {
+ if (r != -ERESTARTSYS) {
+ if (initial_domain == RADEON_GEM_DOMAIN_VRAM) {
+ initial_domain |= RADEON_GEM_DOMAIN_GTT;
+ goto retry;
+ }
+ DRM_ERROR("Failed to allocate GEM object (%ld, %d, %u, %d)\n",
+ size, initial_domain, alignment, r);
+ }
+ return r;
+ }
+ *obj = &robj->gem_base;
+ robj->pid = task_pid_nr(current);
+
+ mutex_lock(&rdev->gem.mutex);
+ list_add_tail(&robj->list, &rdev->gem.objects);
+ mutex_unlock(&rdev->gem.mutex);
+
+ return 0;
+}
+
+static int radeon_gem_set_domain(struct drm_gem_object *gobj,
+ uint32_t rdomain, uint32_t wdomain)
+{
+ struct radeon_bo *robj;
+ uint32_t domain;
+ long 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 without domain !\n");
+ return 0;
+ }
+ if (domain == RADEON_GEM_DOMAIN_CPU) {
+ /* Asking for cpu access wait for object idle */
+ r = reservation_object_wait_timeout_rcu(robj->tbo.resv, true, true, 30 * HZ);
+ if (!r)
+ r = -EBUSY;
+
+ if (r < 0 && r != -EINTR) {
+ printk(KERN_ERR "Failed to wait for object: %li\n", r);
+ 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)
+{
+ 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;
+ int r;
+
+ if ((rdev->family < CHIP_CAYMAN) ||
+ (!rdev->accel_working)) {
+ return 0;
+ }
+
+ r = radeon_bo_reserve(rbo, false);
+ if (r) {
+ return r;
+ }
+
+ bo_va = radeon_vm_bo_find(vm, rbo);
+ if (!bo_va) {
+ bo_va = radeon_vm_bo_add(rdev, vm, rbo);
+ } else {
+ ++bo_va->ref_count;
+ }
+ radeon_bo_unreserve(rbo);
+
+ 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;
+ int r;
+
+ if ((rdev->family < CHIP_CAYMAN) ||
+ (!rdev->accel_working)) {
+ return;
+ }
+
+ r = radeon_bo_reserve(rbo, true);
+ if (r) {
+ dev_err(rdev->dev, "leaking bo va because "
+ "we fail to reserve bo (%d)\n", r);
+ return;
+ }
+ bo_va = radeon_vm_bo_find(vm, rbo);
+ if (bo_va) {
+ if (--bo_va->ref_count == 0) {
+ radeon_vm_bo_rmv(rdev, bo_va);
+ }
+ }
+ radeon_bo_unreserve(rbo);
+}
+
+static int radeon_gem_handle_lockup(struct radeon_device *rdev, int r)
+{
+ if (r == -EDEADLK) {
+ r = radeon_gpu_reset(rdev);
+ if (!r)
+ r = -EAGAIN;
+ }
+ return r;
+}
+
+/*
+ * 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;
+
+ man = &rdev->mman.bdev.man[TTM_PL_VRAM];
+
+ args->vram_size = rdev->mc.real_vram_size;
+ args->vram_visible = (u64)man->size << PAGE_SHIFT;
+ args->vram_visible -= rdev->vram_pin_size;
+ args->gart_size = rdev->mc.gtt_size;
+ args->gart_size -= rdev->gart_pin_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;
+
+ down_read(&rdev->exclusive_lock);
+ /* 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, args->flags,
+ false, &gobj);
+ if (r) {
+ up_read(&rdev->exclusive_lock);
+ r = radeon_gem_handle_lockup(rdev, 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) {
+ up_read(&rdev->exclusive_lock);
+ r = radeon_gem_handle_lockup(rdev, r);
+ return r;
+ }
+ args->handle = handle;
+ up_read(&rdev->exclusive_lock);
+ return 0;
+}
+
+int radeon_gem_userptr_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp)
+{
+ struct radeon_device *rdev = dev->dev_private;
+ struct drm_radeon_gem_userptr *args = data;
+ struct drm_gem_object *gobj;
+ struct radeon_bo *bo;
+ uint32_t handle;
+ int r;
+
+ if (offset_in_page(args->addr | args->size))
+ return -EINVAL;
+
+ /* reject unknown flag values */
+ if (args->flags & ~(RADEON_GEM_USERPTR_READONLY |
+ RADEON_GEM_USERPTR_ANONONLY | RADEON_GEM_USERPTR_VALIDATE |
+ RADEON_GEM_USERPTR_REGISTER))
+ return -EINVAL;
+
+ if (args->flags & RADEON_GEM_USERPTR_READONLY) {
+ /* readonly pages not tested on older hardware */
+ if (rdev->family < CHIP_R600)
+ return -EINVAL;
+
+ } else if (!(args->flags & RADEON_GEM_USERPTR_ANONONLY) ||
+ !(args->flags & RADEON_GEM_USERPTR_REGISTER)) {
+
+ /* if we want to write to it we must require anonymous
+ memory and install a MMU notifier */
+ return -EACCES;
+ }
+
+ down_read(&rdev->exclusive_lock);
+
+ /* create a gem object to contain this object in */
+ r = radeon_gem_object_create(rdev, args->size, 0,
+ RADEON_GEM_DOMAIN_CPU, 0,
+ false, &gobj);
+ if (r)
+ goto handle_lockup;
+
+ bo = gem_to_radeon_bo(gobj);
+ r = radeon_ttm_tt_set_userptr(bo->tbo.ttm, args->addr, args->flags);
+ if (r)
+ goto release_object;
+
+ if (args->flags & RADEON_GEM_USERPTR_REGISTER) {
+ r = radeon_mn_register(bo, args->addr);
+ if (r)
+ goto release_object;
+ }
+
+ if (args->flags & RADEON_GEM_USERPTR_VALIDATE) {
+ down_read(¤t->mm->mmap_sem);
+ r = radeon_bo_reserve(bo, true);
+ if (r) {
+ up_read(¤t->mm->mmap_sem);
+ goto release_object;
+ }
+
+ radeon_ttm_placement_from_domain(bo, RADEON_GEM_DOMAIN_GTT);
+ r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false);
+ radeon_bo_unreserve(bo);
+ up_read(¤t->mm->mmap_sem);
+ if (r)
+ goto release_object;
+ }
+
+ r = drm_gem_handle_create(filp, gobj, &handle);
+ /* drop reference from allocate - handle holds it now */
+ drm_gem_object_unreference_unlocked(gobj);
+ if (r)
+ goto handle_lockup;
+
+ args->handle = handle;
+ up_read(&rdev->exclusive_lock);
+ return 0;
+
+release_object:
+ drm_gem_object_unreference_unlocked(gobj);
+
+handle_lockup:
+ up_read(&rdev->exclusive_lock);
+ r = radeon_gem_handle_lockup(rdev, r);
+
+ return r;
+}
+
+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 radeon_device *rdev = dev->dev_private;
+ 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 */
+ down_read(&rdev->exclusive_lock);
+
+ /* just do a BO wait for now */
+ gobj = drm_gem_object_lookup(dev, filp, args->handle);
+ if (gobj == NULL) {
+ up_read(&rdev->exclusive_lock);
+ 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);
+ up_read(&rdev->exclusive_lock);
+ r = radeon_gem_handle_lockup(robj->rdev, r);
+ 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);
+ if (radeon_ttm_tt_has_userptr(robj->tbo.ttm)) {
+ drm_gem_object_unreference_unlocked(gobj);
+ return -EPERM;
+ }
+ *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 radeon_device *rdev = dev->dev_private;
+ 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);
+ args->domain = radeon_mem_type_to_domain(cur_placement);
+ drm_gem_object_unreference_unlocked(gobj);
+ r = radeon_gem_handle_lockup(rdev, r);
+ return r;
+}
+
+int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp)
+{
+ struct radeon_device *rdev = dev->dev_private;
+ struct drm_radeon_gem_wait_idle *args = data;
+ struct drm_gem_object *gobj;
+ struct radeon_bo *robj;
+ int r = 0;
+ uint32_t cur_placement = 0;
+ long ret;
+
+ gobj = drm_gem_object_lookup(dev, filp, args->handle);
+ if (gobj == NULL) {
+ return -ENOENT;
+ }
+ robj = gem_to_radeon_bo(gobj);
+
+ ret = reservation_object_wait_timeout_rcu(robj->tbo.resv, true, true, 30 * HZ);
+ if (ret == 0)
+ r = -EBUSY;
+ else if (ret < 0)
+ r = ret;
+
+ /* Flush HDP cache via MMIO if necessary */
+ if (rdev->asic->mmio_hdp_flush &&
+ radeon_mem_type_to_domain(cur_placement) == RADEON_GEM_DOMAIN_VRAM)
+ robj->rdev->asic->mmio_hdp_flush(rdev);
+ drm_gem_object_unreference_unlocked(gobj);
+ r = radeon_gem_handle_lockup(rdev, r);
+ 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;
+}
+
+/**
+ * radeon_gem_va_update_vm -update the bo_va in its VM
+ *
+ * @rdev: radeon_device pointer
+ * @bo_va: bo_va to update
+ *
+ * Update the bo_va directly after setting it's address. Errors are not
+ * vital here, so they are not reported back to userspace.
+ */
+static void radeon_gem_va_update_vm(struct radeon_device *rdev,
+ struct radeon_bo_va *bo_va)
+{
+ struct ttm_validate_buffer tv, *entry;
+ struct radeon_bo_list *vm_bos;
+ struct ww_acquire_ctx ticket;
+ struct list_head list;
+ unsigned domain;
+ int r;
+
+ INIT_LIST_HEAD(&list);
+
+ tv.bo = &bo_va->bo->tbo;
+ tv.shared = true;
+ list_add(&tv.head, &list);
+
+ vm_bos = radeon_vm_get_bos(rdev, bo_va->vm, &list);
+ if (!vm_bos)
+ return;
+
+ r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL);
+ if (r)
+ goto error_free;
+
+ list_for_each_entry(entry, &list, head) {
+ domain = radeon_mem_type_to_domain(entry->bo->mem.mem_type);
+ /* if anything is swapped out don't swap it in here,
+ just abort and wait for the next CS */
+ if (domain == RADEON_GEM_DOMAIN_CPU)
+ goto error_unreserve;
+ }
+
+ mutex_lock(&bo_va->vm->mutex);
+ r = radeon_vm_clear_freed(rdev, bo_va->vm);
+ if (r)
+ goto error_unlock;
+
+ if (bo_va->it.start)
+ r = radeon_vm_bo_update(rdev, bo_va, &bo_va->bo->tbo.mem);
+
+error_unlock:
+ mutex_unlock(&bo_va->vm->mutex);
+
+error_unreserve:
+ ttm_eu_backoff_reservation(&ticket, &list);
+
+error_free:
+ drm_free_large(vm_bos);
+
+ if (r && r != -ERESTARTSYS)
+ DRM_ERROR("Couldn't update BO_VA (%d)\n", 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;
+ }
+
+ 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;
+ }
+ bo_va = radeon_vm_bo_find(&fpriv->vm, rbo);
+ if (!bo_va) {
+ args->operation = RADEON_VA_RESULT_ERROR;
+ drm_gem_object_unreference_unlocked(gobj);
+ return -ENOENT;
+ }
+
+ switch (args->operation) {
+ case RADEON_VA_MAP:
+ if (bo_va->it.start) {
+ args->operation = RADEON_VA_RESULT_VA_EXIST;
+ args->offset = bo_va->it.start * RADEON_GPU_PAGE_SIZE;
+ radeon_bo_unreserve(rbo);
+ goto out;
+ }
+ r = radeon_vm_bo_set_addr(rdev, bo_va, args->offset, args->flags);
+ break;
+ case RADEON_VA_UNMAP:
+ r = radeon_vm_bo_set_addr(rdev, bo_va, 0, 0);
+ break;
+ default:
+ break;
+ }
+ if (!r)
+ radeon_gem_va_update_vm(rdev, bo_va);
+ args->operation = RADEON_VA_RESULT_OK;
+ if (r) {
+ args->operation = RADEON_VA_RESULT_ERROR;
+ }
+out:
+ drm_gem_object_unreference_unlocked(gobj);
+ return r;
+}
+
+int radeon_gem_op_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp)
+{
+ struct drm_radeon_gem_op *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 = -EPERM;
+ if (radeon_ttm_tt_has_userptr(robj->tbo.ttm))
+ goto out;
+
+ r = radeon_bo_reserve(robj, false);
+ if (unlikely(r))
+ goto out;
+
+ switch (args->op) {
+ case RADEON_GEM_OP_GET_INITIAL_DOMAIN:
+ args->value = robj->initial_domain;
+ break;
+ case RADEON_GEM_OP_SET_INITIAL_DOMAIN:
+ robj->initial_domain = args->value & (RADEON_GEM_DOMAIN_VRAM |
+ RADEON_GEM_DOMAIN_GTT |
+ RADEON_GEM_DOMAIN_CPU);
+ break;
+ default:
+ r = -EINVAL;
+ }
+
+ radeon_bo_unreserve(robj);
+out:
+ 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, 0,
+ false, &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;
+}
+
+#if defined(CONFIG_DEBUG_FS)
+static int radeon_debugfs_gem_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *)m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_bo *rbo;
+ unsigned i = 0;
+
+ mutex_lock(&rdev->gem.mutex);
+ list_for_each_entry(rbo, &rdev->gem.objects, list) {
+ unsigned domain;
+ const char *placement;
+
+ domain = radeon_mem_type_to_domain(rbo->tbo.mem.mem_type);
+ switch (domain) {
+ case RADEON_GEM_DOMAIN_VRAM:
+ placement = "VRAM";
+ break;
+ case RADEON_GEM_DOMAIN_GTT:
+ placement = " GTT";
+ break;
+ case RADEON_GEM_DOMAIN_CPU:
+ default:
+ placement = " CPU";
+ break;
+ }
+ seq_printf(m, "bo[0x%08x] %8ldkB %8ldMB %s pid %8ld\n",
+ i, radeon_bo_size(rbo) >> 10, radeon_bo_size(rbo) >> 20,
+ placement, (unsigned long)rbo->pid);
+ i++;
+ }
+ mutex_unlock(&rdev->gem.mutex);
+ return 0;
+}
+
+static struct drm_info_list radeon_debugfs_gem_list[] = {
+ {"radeon_gem_info", &radeon_debugfs_gem_info, 0, NULL},
+};
+#endif
+
+int radeon_gem_debugfs_init(struct radeon_device *rdev)
+{
+#if defined(CONFIG_DEBUG_FS)
+ return radeon_debugfs_add_files(rdev, radeon_debugfs_gem_list, 1);
+#endif
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff