WebSVN – Kolibri OS – Diff – /drivers/video/drm/vmwgfx/vmwgfx_shader.c

 /**************************************************************************
+ *
- * Copyright © 2009-2012 VMware, Inc., Palo Alto, CA., USA
+ * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
  * 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
+ *
  **************************************************************************/
 #include "vmwgfx_drv.h"
+#include "vmwgfx_resource_priv.h"
-#include "vmwgfx_resource_priv.h"
+#include "vmwgfx_binding.h"
 #include "ttm/ttm_placement.h"
 #define VMW_COMPAT_SHADER_HT_ORDER 12
 #if 0
 struct vmw_shader {
+	struct vmw_resource res;
+	SVGA3dShaderType type;
-	struct vmw_resource res;
+	uint32_t size;
-	SVGA3dShaderType type;
+	uint8_t num_input_sig;
-	uint32_t size;
+	uint8_t num_output_sig;
 };
-struct vmw_user_shader {
-	struct ttm_base_object base;
-	struct vmw_shader shader;
-};
+struct vmw_user_shader {
-/**
- * enum vmw_compat_shader_state - Staging state for compat shaders
- */
-enum vmw_compat_shader_state {
-	VMW_COMPAT_COMMITED,
-	VMW_COMPAT_ADD,
+	struct ttm_base_object base;
-	VMW_COMPAT_DEL
-};
-/**
- * struct vmw_compat_shader - Metadata for compat shaders.
- *
- * @handle: The TTM handle of the guest backed shader.
+	struct vmw_shader shader;
- * @tfile: The struct ttm_object_file the guest backed shader is registered
- * with.
- * @hash: Hash item for lookup.
- * @head: List head for staging lists or the compat shader manager list.
+};
- * @state: Staging state.
- *
- * The structure is protected by the cmdbuf lock.
+struct vmw_dx_shader {
- */
+	struct vmw_resource res;
-struct vmw_compat_shader {
-	u32 handle;
+	struct vmw_resource *ctx;
-	struct ttm_object_file *tfile;
-	struct drm_hash_item hash;
-	struct list_head head;
-	enum vmw_compat_shader_state state;
-};
-/**
- * struct vmw_compat_shader_manager - Compat shader manager.
- *
- * @shaders: Hash table containing staged and commited compat shaders
+	struct vmw_resource *cotable;
- * @list: List of commited shaders.
+	u32 id;
- * @dev_priv: Pointer to a device private structure.
- *
+	bool committed;
- * @shaders and @list are protected by the cmdbuf mutex for now.
- */
+	struct list_head cotable_head;
-struct vmw_compat_shader_manager {
+};
 	struct drm_open_hash shaders;
 static int vmw_gb_shader_unbind(struct vmw_resource *res,
 				 bool readback,
 				 struct ttm_validate_buffer *val_buf);
 static int vmw_gb_shader_destroy(struct vmw_resource *res);
+static int vmw_dx_shader_create(struct vmw_resource *res);
+static int vmw_dx_shader_bind(struct vmw_resource *res,
+			       struct ttm_validate_buffer *val_buf);
+static int vmw_dx_shader_unbind(struct vmw_resource *res,
+				 bool readback,
+				 struct ttm_validate_buffer *val_buf);
+static void vmw_dx_shader_commit_notify(struct vmw_resource *res,
+					enum vmw_cmdbuf_res_state state);
+static bool vmw_shader_id_ok(u32 user_key, SVGA3dShaderType shader_type);
+static u32 vmw_shader_key(u32 user_key, SVGA3dShaderType shader_type);
+static uint64_t vmw_user_shader_size;
 static const struct vmw_user_resource_conv user_shader_conv = {
 	.object_type = VMW_RES_SHADER,
 	.base_obj_to_res = vmw_user_shader_base_to_res,
 	.res_free = vmw_user_shader_free
 	.destroy = vmw_gb_shader_destroy,
 	.bind = vmw_gb_shader_bind,
 	.unbind = vmw_gb_shader_unbind
 };
+static const struct vmw_res_func vmw_dx_shader_func = {
+	.res_type = vmw_res_shader,
+	.needs_backup = true,
+	.may_evict = false,
+	.type_name = "dx shaders",
+	.backup_placement = &vmw_mob_placement,
+	.create = vmw_dx_shader_create,
+	/*
+	 * The destroy callback is only called with a committed resource on
+	 * context destroy, in which case we destroy the cotable anyway,
+	 * so there's no need to destroy DX shaders separately.
+	 */
+	.destroy = NULL,
+	.bind = vmw_dx_shader_bind,
+	.unbind = vmw_dx_shader_unbind,
+	.commit_notify = vmw_dx_shader_commit_notify,
+};
 /**
  * Shader management:
  */
 static inline struct vmw_shader *
 vmw_res_to_shader(struct vmw_resource *res)
+{
+	return container_of(res, struct vmw_shader, res);
+}
+/**
+ * vmw_res_to_dx_shader - typecast a struct vmw_resource to a
+ * struct vmw_dx_shader
+ *
+ * @res: Pointer to the struct vmw_resource.
+ */
+static inline struct vmw_dx_shader *
+vmw_res_to_dx_shader(struct vmw_resource *res)
+{
-	return container_of(res, struct vmw_shader, res);
+	return container_of(res, struct vmw_dx_shader, res);
+}
+static void vmw_hw_shader_destroy(struct vmw_resource *res)
+{
+	if (likely(res->func->destroy))
-static void vmw_hw_shader_destroy(struct vmw_resource *res)
+		(void) res->func->destroy(res);
+	else
 		res->id = -1;
 	(void) vmw_gb_shader_destroy(res);
 static int vmw_gb_shader_init(struct vmw_private *dev_priv,
+			      struct vmw_resource *res,
+			      uint32_t size,
-			      struct vmw_resource *res,
+			      uint64_t offset,
-			      uint32_t size,
+			      SVGA3dShaderType type,
-			      uint64_t offset,
+			      uint8_t num_input_sig,
-			      SVGA3dShaderType type,
+			      uint8_t num_output_sig,
 			      struct vmw_dma_buffer *byte_code,
 			      void (*res_free) (struct vmw_resource *res))
 {
-	struct vmw_shader *shader = vmw_res_to_shader(res);
-	int ret;
+	struct vmw_shader *shader = vmw_res_to_shader(res);
 	int ret;
 	ret = vmw_resource_init(dev_priv, res, true,
-				res_free, &vmw_gb_shader_func);
+	ret = vmw_resource_init(dev_priv, res, true, res_free,
 		res->backup = vmw_dmabuf_reference(byte_code);
 		res->backup_offset = offset;
+	}
 	shader->size = size;
 	shader->type = type;
+	shader->num_input_sig = num_input_sig;
+	shader->num_output_sig = num_output_sig;
 	vmw_resource_activate(res, vmw_hw_shader_destroy);
 	return 0;
+}
+/*
+ * GB shader code:
  */
 static int vmw_gb_shader_create(struct vmw_resource *res)
+{
 	struct vmw_private *dev_priv = res->dev_priv;
 	cmd->header.size = sizeof(cmd->body);
 	cmd->body.shid = res->id;
 	cmd->body.type = shader->type;
 	cmd->body.sizeInBytes = shader->size;
 	vmw_fifo_commit(dev_priv, sizeof(*cmd));
-	(void) vmw_3d_resource_inc(dev_priv, false);
+	vmw_fifo_resource_inc(dev_priv);
 	return 0;
 	cmd->header.id = SVGA_3D_CMD_BIND_GB_SHADER;
 	cmd->header.size = sizeof(cmd->body);
 	cmd->body.shid = res->id;
 	cmd->body.mobid = bo->mem.start;
-	cmd->body.offsetInBytes = 0;
+	cmd->body.offsetInBytes = res->backup_offset;
 	res->backup_dirty = false;
 	vmw_fifo_commit(dev_priv, sizeof(*cmd));
 	if (likely(res->id == -1))
 		return 0;
 	mutex_lock(&dev_priv->binding_mutex);
-	vmw_context_binding_res_list_scrub(&res->binding_head);
+	vmw_binding_res_list_scrub(&res->binding_head);
 	cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
 	cmd->header.size = sizeof(cmd->body);
 	cmd->body.shid = res->id;
 	vmw_fifo_commit(dev_priv, sizeof(*cmd));
 	mutex_unlock(&dev_priv->binding_mutex);
 	vmw_resource_release_id(res);
-	vmw_3d_resource_dec(dev_priv, false);
+	vmw_fifo_resource_dec(dev_priv);
 	return 0;
+}
 static int vmw_user_shader_alloc(struct vmw_private *dev_priv,
-		     struct vmw_dma_buffer *buffer,
+				 struct vmw_dma_buffer *buffer,
-		     size_t shader_size,
+				 size_t shader_size,
-		     size_t offset,
+				 size_t offset,
-		     SVGA3dShaderType shader_type,
+				 SVGA3dShaderType shader_type,
+				 uint8_t num_input_sig,
+				 uint8_t num_output_sig,
-		     struct ttm_object_file *tfile,
+				 struct ttm_object_file *tfile,
-		     u32 *handle)
+				 u32 *handle)
+{
 	struct vmw_user_shader *ushader;
 	struct vmw_resource *res, *tmp;
 	/*
 	 * From here on, the destructor takes over resource freeing.
 	 */
 	ret = vmw_gb_shader_init(dev_priv, res, shader_size,
+				 offset, shader_type, num_input_sig,
-				 offset, shader_type, buffer,
+				 num_output_sig, buffer,
 				 vmw_user_shader_free);
 	if (unlikely(ret != 0))
 		goto out;
 out:
 	return ret;
+}
+static struct vmw_resource *vmw_shader_alloc(struct vmw_private *dev_priv,
+					     struct vmw_dma_buffer *buffer,
+					     size_t shader_size,
+					     size_t offset,
+					     SVGA3dShaderType shader_type)
+{
+	struct vmw_shader *shader;
+	struct vmw_resource *res;
+	int ret;
+	/*
+	 * Approximate idr memory usage with 128 bytes. It will be limited
+	 * by maximum number_of shaders anyway.
+	 */
+	if (unlikely(vmw_shader_size == 0))
+		vmw_shader_size =
+			ttm_round_pot(sizeof(struct vmw_shader)) + 128;
+	ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
+				   vmw_shader_size,
+				   false, true);
+	if (unlikely(ret != 0)) {
+		if (ret != -ERESTARTSYS)
+			DRM_ERROR("Out of graphics memory for shader "
+				  "creation.\n");
+		goto out_err;
+	}
+	shader = kzalloc(sizeof(*shader), GFP_KERNEL);
+	if (unlikely(shader == NULL)) {
+		ttm_mem_global_free(vmw_mem_glob(dev_priv),
+				    vmw_shader_size);
+		ret = -ENOMEM;
+		goto out_err;
+	}
+	res = &shader->res;
+	/*
+	 * From here on, the destructor takes over resource freeing.
+	 */
+	ret = vmw_gb_shader_init(dev_priv, res, shader_size,
+				 offset, shader_type, 0, 0, buffer,
+				 vmw_shader_free);
+out_err:
+	return ret ? ERR_PTR(ret) : res;
+}
+static int vmw_shader_define(struct drm_device *dev, struct drm_file *file_priv,
+			     enum drm_vmw_shader_type shader_type_drm,
+			     u32 buffer_handle, size_t size, size_t offset,
-int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
+			     uint8_t num_input_sig, uint8_t num_output_sig,
-			     struct drm_file *file_priv)
+			     uint32_t *shader_handle)
-{
-	struct vmw_private *dev_priv = vmw_priv(dev);
 	struct drm_vmw_shader_create_arg *arg =
-		(struct drm_vmw_shader_create_arg *)data;
+	struct vmw_private *dev_priv = vmw_priv(dev);
 	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
 	struct vmw_dma_buffer *buffer = NULL;
 	SVGA3dShaderType shader_type;
 	int ret;
-	if (arg->buffer_handle != SVGA3D_INVALID_ID) {
+	if (buffer_handle != SVGA3D_INVALID_ID) {
-		ret = vmw_user_dmabuf_lookup(tfile, arg->buffer_handle,
+		ret = vmw_user_dmabuf_lookup(tfile, buffer_handle,
-					     &buffer);
+					     &buffer, NULL);
 		if (unlikely(ret != 0)) {
 			DRM_ERROR("Could not find buffer for shader "
 				  "creation.\n");
 			return ret;
+		}
 		if ((u64)buffer->base.num_pages * PAGE_SIZE <
-		    (u64)arg->size + (u64)arg->offset) {
+		    (u64)size + (u64)offset) {
 			DRM_ERROR("Illegal buffer- or shader size.\n");
 			ret = -EINVAL;
 			goto out_bad_arg;
+		}
+	}
-	switch (arg->shader_type) {
+	switch (shader_type_drm) {
 	case drm_vmw_shader_type_vs:
-		shader_type = SVGA3D_SHADERTYPE_VS;
-		break;
-	case drm_vmw_shader_type_ps:
-		shader_type = SVGA3D_SHADERTYPE_PS;
+		shader_type = SVGA3D_SHADERTYPE_VS;
 		break;
-	case drm_vmw_shader_type_gs:
+	case drm_vmw_shader_type_ps:
-		shader_type = SVGA3D_SHADERTYPE_GS;
+		shader_type = SVGA3D_SHADERTYPE_PS;
 		break;
 	default:
 		DRM_ERROR("Illegal shader type.\n");
 		ret = -EINVAL;
 		goto out_bad_arg;
+	}
-	}
 	ret = ttm_read_lock(&dev_priv->reservation_sem, true);
-	ret = ttm_read_lock(&dev_priv->reservation_sem, true);
+	if (unlikely(ret != 0))
-	if (unlikely(ret != 0))
+		goto out_bad_arg;
 		goto out_bad_arg;
 	ret = vmw_user_shader_alloc(dev_priv, buffer, size, offset,
-	ret = vmw_user_shader_alloc(dev_priv, buffer, arg->size, arg->offset,
+				    shader_type, num_input_sig,
-			       shader_type, tfile, &arg->shader_handle);
+				    num_output_sig, tfile, shader_handle);
 	ttm_read_unlock(&dev_priv->reservation_sem);
 out_bad_arg:
 	vmw_dmabuf_unreference(&buffer);
 	return ret;
+}
 /**
- * vmw_compat_shader_id_ok - Check whether a compat shader user key and
+ * vmw_shader_id_ok - Check whether a compat shader user key and
  * shader type are within valid bounds.
+ *
  * @user_key: User space id of the shader.
  * @shader_type: Shader type.
+ *
  * Returns true if valid false if not.
-	 */
+ */
-static bool vmw_compat_shader_id_ok(u32 user_key, SVGA3dShaderType shader_type)
+static bool vmw_shader_id_ok(u32 user_key, SVGA3dShaderType shader_type)
+{
 	return user_key <= ((1 << 20) - 1) && (unsigned) shader_type < 16;
+}
 /**
- * vmw_compat_shader_key - Compute a hash key suitable for a compat shader.
+ * vmw_shader_key - Compute a hash key suitable for a compat shader.
+ *
  * @user_key: User space id of the shader.
  * @shader_type: Shader type.
+ *
  * Returns a hash key suitable for a command buffer managed resource
  * manager hash table.
  */
-static u32 vmw_compat_shader_key(u32 user_key, SVGA3dShaderType shader_type)
+static u32 vmw_shader_key(u32 user_key, SVGA3dShaderType shader_type)
+{
 	return user_key | (shader_type << 20);
 }
 /**
- * vmw_compat_shader_remove - Stage a compat shader for removal.
+ * vmw_shader_remove - Stage a compat shader for removal.
+ *
+ * @man: Pointer to the compat shader manager identifying the shader namespace.
- *
+ * @user_key: The key that is used to identify the shader. The key is
- * @man: Pointer to the compat shader manager identifying the shader namespace.
+ * unique to the shader type.
- * @user_key: The key that is used to identify the shader. The key is
+ * @shader_type: Shader type.
- * unique to the shader type.
+ * @list: Caller's list of staged command buffer resource actions.
- * @shader_type: Shader type.
- * @list: Caller's list of staged command buffer resource actions.
+ */
- */
+int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
-int vmw_compat_shader_remove(struct vmw_cmdbuf_res_manager *man,
+		      u32 user_key, SVGA3dShaderType shader_type,
-			     u32 user_key, SVGA3dShaderType shader_type,
+		      struct list_head *list)
 			     struct list_head *list)
 	struct ttm_bo_kmap_obj map;
 	bool is_iomem;
 	int ret;
 	struct vmw_resource *res;
-	if (!vmw_compat_shader_id_ok(user_key, shader_type))
+	if (!vmw_shader_id_ok(user_key, shader_type))
 		return -EINVAL;
 	/* Allocate and pin a DMA buffer */
 	res = vmw_shader_alloc(dev_priv, buf, size, 0, shader_type);
 	if (unlikely(ret != 0))
 		goto no_reserve;
-	ret = vmw_cmdbuf_res_add(man, vmw_cmdbuf_res_compat_shader,
+	ret = vmw_cmdbuf_res_add(man, vmw_cmdbuf_res_shader,
-				 vmw_compat_shader_key(user_key, shader_type),
+				 vmw_shader_key(user_key, shader_type),
 				 res, list);
 	vmw_resource_unreference(&res);
 no_reserve:
 	vmw_dmabuf_unreference(&buf);
 out:
 	return ret;
 }
 /**
- * vmw_compat_shader_lookup - Look up a compat shader
+ * vmw_shader_lookup - Look up a compat shader
+ *
  * @man: Pointer to the command buffer managed resource manager identifying
  * the shader namespace.
  * @user_key: The user space id of the shader.
  * @shader_type: The shader type.
+ *
  * Returns a refcounted pointer to a struct vmw_resource if the shader was
  * found. An error pointer otherwise.
  */
 struct vmw_resource *
-vmw_compat_shader_lookup(struct vmw_cmdbuf_res_manager *man,
+vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
-			 u32 user_key,
+		  u32 user_key,
-			 SVGA3dShaderType shader_type)
+		  SVGA3dShaderType shader_type)
 {
-	if (!vmw_compat_shader_id_ok(user_key, shader_type))
+	if (!vmw_shader_id_ok(user_key, shader_type))
+		return ERR_PTR(-EINVAL);
+	return vmw_cmdbuf_res_lookup(man, vmw_cmdbuf_res_shader,
+				     vmw_shader_key(user_key, shader_type));
+}
+int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
+			     struct drm_file *file_priv)
+{
+	struct drm_vmw_shader_create_arg *arg =
+		(struct drm_vmw_shader_create_arg *)data;
-		return ERR_PTR(-EINVAL);
+	return vmw_shader_define(dev, file_priv, arg->shader_type,
 				 arg->buffer_handle,
-	return vmw_cmdbuf_res_lookup(man, vmw_cmdbuf_res_compat_shader,
+				 arg->size, arg->offset,

Subversion Repositories Kolibri OS

(root)/drivers/video/drm/vmwgfx/vmwgfx_shader.c – Rev 5078 → 6296