#define DRM_IOCTL_VMW_UPDATE_LAYOUT \
DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UPDATE_LAYOUT, \
struct drm_vmw_update_layout_arg)
+#define DRM_IOCTL_VMW_CREATE_SHADER \
+ DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_SHADER, \
+ struct drm_vmw_shader_create_arg)
+#define DRM_IOCTL_VMW_UNREF_SHADER \
+ DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_SHADER, \
+ struct drm_vmw_shader_arg)
+#define DRM_IOCTL_VMW_GB_SURFACE_CREATE \
+ DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GB_SURFACE_CREATE, \
+ union drm_vmw_gb_surface_create_arg)
+#define DRM_IOCTL_VMW_GB_SURFACE_REF \
+ DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GB_SURFACE_REF, \
+ union drm_vmw_gb_surface_reference_arg)
+#define DRM_IOCTL_VMW_SYNCCPU \
+ DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_SYNCCPU, \
+ struct drm_vmw_synccpu_arg)
/**
* The core DRM version of this macro doesn't account for
VMW_IOCTL_DEF(VMW_UPDATE_LAYOUT,
vmw_kms_update_layout_ioctl,
DRM_MASTER | DRM_UNLOCKED),
+ VMW_IOCTL_DEF(VMW_CREATE_SHADER,
+ vmw_shader_define_ioctl,
+ DRM_AUTH | DRM_UNLOCKED),
+ VMW_IOCTL_DEF(VMW_UNREF_SHADER,
+ vmw_shader_destroy_ioctl,
+ DRM_AUTH | DRM_UNLOCKED),
+ VMW_IOCTL_DEF(VMW_GB_SURFACE_CREATE,
+ vmw_gb_surface_define_ioctl,
+ DRM_AUTH | DRM_UNLOCKED),
+ VMW_IOCTL_DEF(VMW_GB_SURFACE_REF,
+ vmw_gb_surface_reference_ioctl,
+ DRM_AUTH | DRM_UNLOCKED),
+ VMW_IOCTL_DEF(VMW_SYNCCPU,
+ vmw_user_dmabuf_synccpu_ioctl,
+ DRM_AUTH | DRM_UNLOCKED),
};
static struct pci_device_id vmw_pci_id_list[] = {
static int vmw_force_iommu;
static int vmw_restrict_iommu;
static int vmw_force_coherent;
+static int vmw_restrict_dma_mask;
static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
static void vmw_master_init(struct vmw_master *);
module_param_named(restrict_iommu, vmw_restrict_iommu, int, 0600);
MODULE_PARM_DESC(force_coherent, "Force coherent TTM pages");
module_param_named(force_coherent, vmw_force_coherent, int, 0600);
+MODULE_PARM_DESC(restrict_dma_mask, "Restrict DMA mask to 44 bits with IOMMU");
+module_param_named(restrict_dma_mask, vmw_restrict_dma_mask, int, 0600);
static void vmw_print_capabilities(uint32_t capabilities)
DRM_INFO(" GMR2.\n");
if (capabilities & SVGA_CAP_SCREEN_OBJECT_2)
DRM_INFO(" Screen Object 2.\n");
+ if (capabilities & SVGA_CAP_COMMAND_BUFFERS)
+ DRM_INFO(" Command Buffers.\n");
+ if (capabilities & SVGA_CAP_CMD_BUFFERS_2)
+ DRM_INFO(" Command Buffers 2.\n");
+ if (capabilities & SVGA_CAP_GBOBJECTS)
+ DRM_INFO(" Guest Backed Resources.\n");
}
-
/**
- * vmw_execbuf_prepare_dummy_query - Initialize a query result structure at
- * the start of a buffer object.
+ * vmw_dummy_query_bo_create - create a bo to hold a dummy query result
*
- * @dev_priv: The device private structure.
+ * @dev_priv: A device private structure.
*
- * This function will idle the buffer using an uninterruptible wait, then
- * map the first page and initialize a pending occlusion query result structure,
- * Finally it will unmap the buffer.
+ * This function creates a small buffer object that holds the query
+ * result for dummy queries emitted as query barriers.
+ * The function will then map the first page and initialize a pending
+ * occlusion query result structure, Finally it will unmap the buffer.
+ * No interruptible waits are done within this function.
*
- * TODO: Since we're only mapping a single page, we should optimize the map
- * to use kmap_atomic / iomap_atomic.
+ * Returns an error if bo creation or initialization fails.
*/
-static void vmw_dummy_query_bo_prepare(struct vmw_private *dev_priv)
+static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
{
+ int ret;
+ struct ttm_buffer_object *bo;
struct ttm_bo_kmap_obj map;
volatile SVGA3dQueryResult *result;
bool dummy;
- int ret;
- struct ttm_bo_device *bdev = &dev_priv->bdev;
- struct ttm_buffer_object *bo = dev_priv->dummy_query_bo;
- ttm_bo_reserve(bo, false, false, false, 0);
- spin_lock(&bdev->fence_lock);
- ret = ttm_bo_wait(bo, false, false, false);
- spin_unlock(&bdev->fence_lock);
+ /*
+ * Create the bo as pinned, so that a tryreserve will
+ * immediately succeed. This is because we're the only
+ * user of the bo currently.
+ */
+ ret = ttm_bo_create(&dev_priv->bdev,
+ PAGE_SIZE,
+ ttm_bo_type_device,
+ &vmw_sys_ne_placement,
+ 0, false, NULL,
+ &bo);
+
if (unlikely(ret != 0))
- (void) vmw_fallback_wait(dev_priv, false, true, 0, false,
- 10*HZ);
+ return ret;
+
+ ret = ttm_bo_reserve(bo, false, true, false, 0);
+ BUG_ON(ret != 0);
ret = ttm_bo_kmap(bo, 0, 1, &map);
if (likely(ret == 0)) {
result->state = SVGA3D_QUERYSTATE_PENDING;
result->result32 = 0xff;
ttm_bo_kunmap(&map);
- } else
- DRM_ERROR("Dummy query buffer map failed.\n");
+ }
+ vmw_bo_pin(bo, false);
ttm_bo_unreserve(bo);
-}
+ if (unlikely(ret != 0)) {
+ DRM_ERROR("Dummy query buffer map failed.\n");
+ ttm_bo_unref(&bo);
+ } else
+ dev_priv->dummy_query_bo = bo;
-/**
- * vmw_dummy_query_bo_create - create a bo to hold a dummy query result
- *
- * @dev_priv: A device private structure.
- *
- * This function creates a small buffer object that holds the query
- * result for dummy queries emitted as query barriers.
- * No interruptible waits are done within this function.
- *
- * Returns an error if bo creation fails.
- */
-static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
-{
- return ttm_bo_create(&dev_priv->bdev,
- PAGE_SIZE,
- ttm_bo_type_device,
- &vmw_vram_sys_placement,
- 0, false, NULL,
- &dev_priv->dummy_query_bo);
+ return ret;
}
-
static int vmw_request_device(struct vmw_private *dev_priv)
{
int ret;
return ret;
}
vmw_fence_fifo_up(dev_priv->fman);
+ if (dev_priv->has_mob) {
+ ret = vmw_otables_setup(dev_priv);
+ if (unlikely(ret != 0)) {
+ DRM_ERROR("Unable to initialize "
+ "guest Memory OBjects.\n");
+ goto out_no_mob;
+ }
+ }
ret = vmw_dummy_query_bo_create(dev_priv);
if (unlikely(ret != 0))
goto out_no_query_bo;
- vmw_dummy_query_bo_prepare(dev_priv);
return 0;
out_no_query_bo:
+ if (dev_priv->has_mob)
+ vmw_otables_takedown(dev_priv);
+out_no_mob:
vmw_fence_fifo_down(dev_priv->fman);
vmw_fifo_release(dev_priv, &dev_priv->fifo);
return ret;
BUG_ON(dev_priv->pinned_bo != NULL);
ttm_bo_unref(&dev_priv->dummy_query_bo);
+ if (dev_priv->has_mob)
+ vmw_otables_takedown(dev_priv);
vmw_fence_fifo_down(dev_priv->fman);
vmw_fifo_release(dev_priv, &dev_priv->fifo);
}
+
/**
* Increase the 3d resource refcount.
* If the count was prevously zero, initialize the fifo, switching to svga
return 0;
}
+/**
+ * vmw_dma_masks - set required page- and dma masks
+ *
+ * @dev: Pointer to struct drm-device
+ *
+ * With 32-bit we can only handle 32 bit PFNs. Optionally set that
+ * restriction also for 64-bit systems.
+ */
+#ifdef CONFIG_INTEL_IOMMU
+static int vmw_dma_masks(struct vmw_private *dev_priv)
+{
+ struct drm_device *dev = dev_priv->dev;
+
+ if (intel_iommu_enabled &&
+ (sizeof(unsigned long) == 4 || vmw_restrict_dma_mask)) {
+ DRM_INFO("Restricting DMA addresses to 44 bits.\n");
+ return dma_set_mask(dev->dev, DMA_BIT_MASK(44));
+ }
+ return 0;
+}
+#else
+static int vmw_dma_masks(struct vmw_private *dev_priv)
+{
+ return 0;
+}
+#endif
+
static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
{
struct vmw_private *dev_priv;
mutex_init(&dev_priv->hw_mutex);
mutex_init(&dev_priv->cmdbuf_mutex);
mutex_init(&dev_priv->release_mutex);
+ mutex_init(&dev_priv->binding_mutex);
rwlock_init(&dev_priv->resource_lock);
for (i = vmw_res_context; i < vmw_res_max; ++i) {
vmw_get_initial_size(dev_priv);
- if (dev_priv->capabilities & SVGA_CAP_GMR) {
- dev_priv->max_gmr_descriptors =
- vmw_read(dev_priv,
- SVGA_REG_GMR_MAX_DESCRIPTOR_LENGTH);
+ if (dev_priv->capabilities & SVGA_CAP_GMR2) {
dev_priv->max_gmr_ids =
vmw_read(dev_priv, SVGA_REG_GMR_MAX_IDS);
- }
- if (dev_priv->capabilities & SVGA_CAP_GMR2) {
dev_priv->max_gmr_pages =
vmw_read(dev_priv, SVGA_REG_GMRS_MAX_PAGES);
dev_priv->memory_size =
*/
dev_priv->memory_size = 512*1024*1024;
}
+ dev_priv->max_mob_pages = 0;
+ if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) {
+ uint64_t mem_size =
+ vmw_read(dev_priv,
+ SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB);
+
+ dev_priv->max_mob_pages = mem_size * 1024 / PAGE_SIZE;
+ dev_priv->prim_bb_mem =
+ vmw_read(dev_priv,
+ SVGA_REG_MAX_PRIMARY_BOUNDING_BOX_MEM);
+ } else
+ dev_priv->prim_bb_mem = dev_priv->vram_size;
+
+ ret = vmw_dma_masks(dev_priv);
+ if (unlikely(ret != 0)) {
+ mutex_unlock(&dev_priv->hw_mutex);
+ goto out_err0;
+ }
+
+ if (unlikely(dev_priv->prim_bb_mem < dev_priv->vram_size))
+ dev_priv->prim_bb_mem = dev_priv->vram_size;
mutex_unlock(&dev_priv->hw_mutex);
vmw_print_capabilities(dev_priv->capabilities);
- if (dev_priv->capabilities & SVGA_CAP_GMR) {
+ if (dev_priv->capabilities & SVGA_CAP_GMR2) {
DRM_INFO("Max GMR ids is %u\n",
(unsigned)dev_priv->max_gmr_ids);
- DRM_INFO("Max GMR descriptors is %u\n",
- (unsigned)dev_priv->max_gmr_descriptors);
- }
- if (dev_priv->capabilities & SVGA_CAP_GMR2) {
DRM_INFO("Max number of GMR pages is %u\n",
(unsigned)dev_priv->max_gmr_pages);
DRM_INFO("Max dedicated hypervisor surface memory is %u kiB\n",
(unsigned)dev_priv->memory_size / 1024);
}
+ DRM_INFO("Maximum display memory size is %u kiB\n",
+ dev_priv->prim_bb_mem / 1024);
DRM_INFO("VRAM at 0x%08x size is %u kiB\n",
dev_priv->vram_start, dev_priv->vram_size / 1024);
DRM_INFO("MMIO at 0x%08x size is %u kiB\n",
dev_priv->has_gmr = true;
if (((dev_priv->capabilities & (SVGA_CAP_GMR | SVGA_CAP_GMR2)) == 0) ||
refuse_dma || ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_GMR,
- dev_priv->max_gmr_ids) != 0) {
+ VMW_PL_GMR) != 0) {
DRM_INFO("No GMR memory available. "
"Graphics memory resources are very limited.\n");
dev_priv->has_gmr = false;
}
+ if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) {
+ dev_priv->has_mob = true;
+ if (ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_MOB,
+ VMW_PL_MOB) != 0) {
+ DRM_INFO("No MOB memory available. "
+ "3D will be disabled.\n");
+ dev_priv->has_mob = false;
+ }
+ }
+
dev_priv->mmio_mtrr = arch_phys_wc_add(dev_priv->mmio_start,
dev_priv->mmio_size);
iounmap(dev_priv->mmio_virt);
out_err3:
arch_phys_wc_del(dev_priv->mmio_mtrr);
+ if (dev_priv->has_mob)
+ (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
if (dev_priv->has_gmr)
(void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
(void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
ttm_object_device_release(&dev_priv->tdev);
iounmap(dev_priv->mmio_virt);
arch_phys_wc_del(dev_priv->mmio_mtrr);
+ if (dev_priv->has_mob)
+ (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
if (dev_priv->has_gmr)
(void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
(void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / blobdiff