1dff96888SDirk Hohndel (VMware) // SPDX-License-Identifier: GPL-2.0 OR MIT 2c74c162fSThomas Hellstrom /************************************************************************** 3c74c162fSThomas Hellstrom * 4*09881d29SZack Rusin * Copyright 2009-2023 VMware, Inc., Palo Alto, CA., USA 5c74c162fSThomas Hellstrom * 6c74c162fSThomas Hellstrom * Permission is hereby granted, free of charge, to any person obtaining a 7c74c162fSThomas Hellstrom * copy of this software and associated documentation files (the 8c74c162fSThomas Hellstrom * "Software"), to deal in the Software without restriction, including 9c74c162fSThomas Hellstrom * without limitation the rights to use, copy, modify, merge, publish, 10c74c162fSThomas Hellstrom * distribute, sub license, and/or sell copies of the Software, and to 11c74c162fSThomas Hellstrom * permit persons to whom the Software is furnished to do so, subject to 12c74c162fSThomas Hellstrom * the following conditions: 13c74c162fSThomas Hellstrom * 14c74c162fSThomas Hellstrom * The above copyright notice and this permission notice (including the 15c74c162fSThomas Hellstrom * next paragraph) shall be included in all copies or substantial portions 16c74c162fSThomas Hellstrom * of the Software. 17c74c162fSThomas Hellstrom * 18c74c162fSThomas Hellstrom * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19c74c162fSThomas Hellstrom * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20c74c162fSThomas Hellstrom * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21c74c162fSThomas Hellstrom * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22c74c162fSThomas Hellstrom * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23c74c162fSThomas Hellstrom * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24c74c162fSThomas Hellstrom * USE OR OTHER DEALINGS IN THE SOFTWARE. 25c74c162fSThomas Hellstrom * 26c74c162fSThomas Hellstrom **************************************************************************/ 27c74c162fSThomas Hellstrom 28008be682SMasahiro Yamada #include <drm/ttm/ttm_placement.h> 29008be682SMasahiro Yamada 30*09881d29SZack Rusin #include "vmwgfx_binding.h" 31*09881d29SZack Rusin #include "vmwgfx_bo.h" 32c74c162fSThomas Hellstrom #include "vmwgfx_drv.h" 33c74c162fSThomas Hellstrom #include "vmwgfx_resource_priv.h" 34c74c162fSThomas Hellstrom 35c74c162fSThomas Hellstrom struct vmw_shader { 36c74c162fSThomas Hellstrom struct vmw_resource res; 37c74c162fSThomas Hellstrom SVGA3dShaderType type; 38c74c162fSThomas Hellstrom uint32_t size; 39d80efd5cSThomas Hellstrom uint8_t num_input_sig; 40d80efd5cSThomas Hellstrom uint8_t num_output_sig; 41c74c162fSThomas Hellstrom }; 42c74c162fSThomas Hellstrom 43c74c162fSThomas Hellstrom struct vmw_user_shader { 44c74c162fSThomas Hellstrom struct ttm_base_object base; 45c74c162fSThomas Hellstrom struct vmw_shader shader; 46c74c162fSThomas Hellstrom }; 47c74c162fSThomas Hellstrom 48d80efd5cSThomas Hellstrom struct vmw_dx_shader { 49d80efd5cSThomas Hellstrom struct vmw_resource res; 50d80efd5cSThomas Hellstrom struct vmw_resource *ctx; 51d80efd5cSThomas Hellstrom struct vmw_resource *cotable; 52d80efd5cSThomas Hellstrom u32 id; 53d80efd5cSThomas Hellstrom bool committed; 54d80efd5cSThomas Hellstrom struct list_head cotable_head; 55d80efd5cSThomas Hellstrom }; 56d80efd5cSThomas Hellstrom 57c74c162fSThomas Hellstrom static void vmw_user_shader_free(struct vmw_resource *res); 58c74c162fSThomas Hellstrom static struct vmw_resource * 59c74c162fSThomas Hellstrom vmw_user_shader_base_to_res(struct ttm_base_object *base); 60c74c162fSThomas Hellstrom 61c74c162fSThomas Hellstrom static int vmw_gb_shader_create(struct vmw_resource *res); 62c74c162fSThomas Hellstrom static int vmw_gb_shader_bind(struct vmw_resource *res, 63c74c162fSThomas Hellstrom struct ttm_validate_buffer *val_buf); 64c74c162fSThomas Hellstrom static int vmw_gb_shader_unbind(struct vmw_resource *res, 65c74c162fSThomas Hellstrom bool readback, 66c74c162fSThomas Hellstrom struct ttm_validate_buffer *val_buf); 67c74c162fSThomas Hellstrom static int vmw_gb_shader_destroy(struct vmw_resource *res); 68c74c162fSThomas Hellstrom 69d80efd5cSThomas Hellstrom static int vmw_dx_shader_create(struct vmw_resource *res); 70d80efd5cSThomas Hellstrom static int vmw_dx_shader_bind(struct vmw_resource *res, 71d80efd5cSThomas Hellstrom struct ttm_validate_buffer *val_buf); 72d80efd5cSThomas Hellstrom static int vmw_dx_shader_unbind(struct vmw_resource *res, 73d80efd5cSThomas Hellstrom bool readback, 74d80efd5cSThomas Hellstrom struct ttm_validate_buffer *val_buf); 75d80efd5cSThomas Hellstrom static void vmw_dx_shader_commit_notify(struct vmw_resource *res, 76d80efd5cSThomas Hellstrom enum vmw_cmdbuf_res_state state); 77d80efd5cSThomas Hellstrom static bool vmw_shader_id_ok(u32 user_key, SVGA3dShaderType shader_type); 78d80efd5cSThomas Hellstrom static u32 vmw_shader_key(u32 user_key, SVGA3dShaderType shader_type); 79d80efd5cSThomas Hellstrom 80c74c162fSThomas Hellstrom static const struct vmw_user_resource_conv user_shader_conv = { 81c74c162fSThomas Hellstrom .object_type = VMW_RES_SHADER, 82c74c162fSThomas Hellstrom .base_obj_to_res = vmw_user_shader_base_to_res, 83c74c162fSThomas Hellstrom .res_free = vmw_user_shader_free 84c74c162fSThomas Hellstrom }; 85c74c162fSThomas Hellstrom 86c74c162fSThomas Hellstrom const struct vmw_user_resource_conv *user_shader_converter = 87c74c162fSThomas Hellstrom &user_shader_conv; 88c74c162fSThomas Hellstrom 89c74c162fSThomas Hellstrom 90c74c162fSThomas Hellstrom static const struct vmw_res_func vmw_gb_shader_func = { 91c74c162fSThomas Hellstrom .res_type = vmw_res_shader, 92c74c162fSThomas Hellstrom .needs_backup = true, 93c74c162fSThomas Hellstrom .may_evict = true, 94a0a63940SThomas Hellstrom .prio = 3, 95a0a63940SThomas Hellstrom .dirty_prio = 3, 96c74c162fSThomas Hellstrom .type_name = "guest backed shaders", 97c74c162fSThomas Hellstrom .backup_placement = &vmw_mob_placement, 98c74c162fSThomas Hellstrom .create = vmw_gb_shader_create, 99c74c162fSThomas Hellstrom .destroy = vmw_gb_shader_destroy, 100c74c162fSThomas Hellstrom .bind = vmw_gb_shader_bind, 101c74c162fSThomas Hellstrom .unbind = vmw_gb_shader_unbind 102c74c162fSThomas Hellstrom }; 103c74c162fSThomas Hellstrom 104d80efd5cSThomas Hellstrom static const struct vmw_res_func vmw_dx_shader_func = { 105d80efd5cSThomas Hellstrom .res_type = vmw_res_shader, 106d80efd5cSThomas Hellstrom .needs_backup = true, 107a0a63940SThomas Hellstrom .may_evict = true, 108a0a63940SThomas Hellstrom .prio = 3, 109a0a63940SThomas Hellstrom .dirty_prio = 3, 110d80efd5cSThomas Hellstrom .type_name = "dx shaders", 111d80efd5cSThomas Hellstrom .backup_placement = &vmw_mob_placement, 112d80efd5cSThomas Hellstrom .create = vmw_dx_shader_create, 113d80efd5cSThomas Hellstrom /* 114d80efd5cSThomas Hellstrom * The destroy callback is only called with a committed resource on 115d80efd5cSThomas Hellstrom * context destroy, in which case we destroy the cotable anyway, 116d80efd5cSThomas Hellstrom * so there's no need to destroy DX shaders separately. 117d80efd5cSThomas Hellstrom */ 118d80efd5cSThomas Hellstrom .destroy = NULL, 119d80efd5cSThomas Hellstrom .bind = vmw_dx_shader_bind, 120d80efd5cSThomas Hellstrom .unbind = vmw_dx_shader_unbind, 121d80efd5cSThomas Hellstrom .commit_notify = vmw_dx_shader_commit_notify, 122d80efd5cSThomas Hellstrom }; 123d80efd5cSThomas Hellstrom 124ad2ae415SLee Jones /* 125c74c162fSThomas Hellstrom * Shader management: 126c74c162fSThomas Hellstrom */ 127c74c162fSThomas Hellstrom 128c74c162fSThomas Hellstrom static inline struct vmw_shader * 129c74c162fSThomas Hellstrom vmw_res_to_shader(struct vmw_resource *res) 130c74c162fSThomas Hellstrom { 131c74c162fSThomas Hellstrom return container_of(res, struct vmw_shader, res); 132c74c162fSThomas Hellstrom } 133c74c162fSThomas Hellstrom 134d80efd5cSThomas Hellstrom /** 135d80efd5cSThomas Hellstrom * vmw_res_to_dx_shader - typecast a struct vmw_resource to a 136d80efd5cSThomas Hellstrom * struct vmw_dx_shader 137d80efd5cSThomas Hellstrom * 138d80efd5cSThomas Hellstrom * @res: Pointer to the struct vmw_resource. 139d80efd5cSThomas Hellstrom */ 140d80efd5cSThomas Hellstrom static inline struct vmw_dx_shader * 141d80efd5cSThomas Hellstrom vmw_res_to_dx_shader(struct vmw_resource *res) 142d80efd5cSThomas Hellstrom { 143d80efd5cSThomas Hellstrom return container_of(res, struct vmw_dx_shader, res); 144d80efd5cSThomas Hellstrom } 145d80efd5cSThomas Hellstrom 146c74c162fSThomas Hellstrom static void vmw_hw_shader_destroy(struct vmw_resource *res) 147c74c162fSThomas Hellstrom { 148d80efd5cSThomas Hellstrom if (likely(res->func->destroy)) 149d80efd5cSThomas Hellstrom (void) res->func->destroy(res); 150d80efd5cSThomas Hellstrom else 151d80efd5cSThomas Hellstrom res->id = -1; 152c74c162fSThomas Hellstrom } 153c74c162fSThomas Hellstrom 154d80efd5cSThomas Hellstrom 155c74c162fSThomas Hellstrom static int vmw_gb_shader_init(struct vmw_private *dev_priv, 156c74c162fSThomas Hellstrom struct vmw_resource *res, 157c74c162fSThomas Hellstrom uint32_t size, 158c74c162fSThomas Hellstrom uint64_t offset, 159c74c162fSThomas Hellstrom SVGA3dShaderType type, 160d80efd5cSThomas Hellstrom uint8_t num_input_sig, 161d80efd5cSThomas Hellstrom uint8_t num_output_sig, 162*09881d29SZack Rusin struct vmw_bo *byte_code, 163c74c162fSThomas Hellstrom void (*res_free) (struct vmw_resource *res)) 164c74c162fSThomas Hellstrom { 165c74c162fSThomas Hellstrom struct vmw_shader *shader = vmw_res_to_shader(res); 166c74c162fSThomas Hellstrom int ret; 167c74c162fSThomas Hellstrom 168d80efd5cSThomas Hellstrom ret = vmw_resource_init(dev_priv, res, true, res_free, 169d80efd5cSThomas Hellstrom &vmw_gb_shader_func); 170c74c162fSThomas Hellstrom 171c74c162fSThomas Hellstrom if (unlikely(ret != 0)) { 172c74c162fSThomas Hellstrom if (res_free) 173c74c162fSThomas Hellstrom res_free(res); 174c74c162fSThomas Hellstrom else 175c74c162fSThomas Hellstrom kfree(res); 176c74c162fSThomas Hellstrom return ret; 177c74c162fSThomas Hellstrom } 178c74c162fSThomas Hellstrom 179c74c162fSThomas Hellstrom res->backup_size = size; 180c74c162fSThomas Hellstrom if (byte_code) { 181f1d34bfdSThomas Hellstrom res->backup = vmw_bo_reference(byte_code); 182c74c162fSThomas Hellstrom res->backup_offset = offset; 183c74c162fSThomas Hellstrom } 184c74c162fSThomas Hellstrom shader->size = size; 185c74c162fSThomas Hellstrom shader->type = type; 186d80efd5cSThomas Hellstrom shader->num_input_sig = num_input_sig; 187d80efd5cSThomas Hellstrom shader->num_output_sig = num_output_sig; 188c74c162fSThomas Hellstrom 18913289241SThomas Hellstrom res->hw_destroy = vmw_hw_shader_destroy; 190c74c162fSThomas Hellstrom return 0; 191c74c162fSThomas Hellstrom } 192c74c162fSThomas Hellstrom 193d80efd5cSThomas Hellstrom /* 194d80efd5cSThomas Hellstrom * GB shader code: 195d80efd5cSThomas Hellstrom */ 196d80efd5cSThomas Hellstrom 197c74c162fSThomas Hellstrom static int vmw_gb_shader_create(struct vmw_resource *res) 198c74c162fSThomas Hellstrom { 199c74c162fSThomas Hellstrom struct vmw_private *dev_priv = res->dev_priv; 200c74c162fSThomas Hellstrom struct vmw_shader *shader = vmw_res_to_shader(res); 201c74c162fSThomas Hellstrom int ret; 202c74c162fSThomas Hellstrom struct { 203c74c162fSThomas Hellstrom SVGA3dCmdHeader header; 204c74c162fSThomas Hellstrom SVGA3dCmdDefineGBShader body; 205c74c162fSThomas Hellstrom } *cmd; 206c74c162fSThomas Hellstrom 207c74c162fSThomas Hellstrom if (likely(res->id != -1)) 208c74c162fSThomas Hellstrom return 0; 209c74c162fSThomas Hellstrom 210c74c162fSThomas Hellstrom ret = vmw_resource_alloc_id(res); 211c74c162fSThomas Hellstrom if (unlikely(ret != 0)) { 212c74c162fSThomas Hellstrom DRM_ERROR("Failed to allocate a shader id.\n"); 213c74c162fSThomas Hellstrom goto out_no_id; 214c74c162fSThomas Hellstrom } 215c74c162fSThomas Hellstrom 216c74c162fSThomas Hellstrom if (unlikely(res->id >= VMWGFX_NUM_GB_SHADER)) { 217c74c162fSThomas Hellstrom ret = -EBUSY; 218c74c162fSThomas Hellstrom goto out_no_fifo; 219c74c162fSThomas Hellstrom } 220c74c162fSThomas Hellstrom 2218426ed9cSZack Rusin cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd)); 222c74c162fSThomas Hellstrom if (unlikely(cmd == NULL)) { 223c74c162fSThomas Hellstrom ret = -ENOMEM; 224c74c162fSThomas Hellstrom goto out_no_fifo; 225c74c162fSThomas Hellstrom } 226c74c162fSThomas Hellstrom 227c74c162fSThomas Hellstrom cmd->header.id = SVGA_3D_CMD_DEFINE_GB_SHADER; 228c74c162fSThomas Hellstrom cmd->header.size = sizeof(cmd->body); 229c74c162fSThomas Hellstrom cmd->body.shid = res->id; 230c74c162fSThomas Hellstrom cmd->body.type = shader->type; 231c74c162fSThomas Hellstrom cmd->body.sizeInBytes = shader->size; 2328426ed9cSZack Rusin vmw_cmd_commit(dev_priv, sizeof(*cmd)); 233153b3d5bSThomas Hellstrom vmw_fifo_resource_inc(dev_priv); 234c74c162fSThomas Hellstrom 235c74c162fSThomas Hellstrom return 0; 236c74c162fSThomas Hellstrom 237c74c162fSThomas Hellstrom out_no_fifo: 238c74c162fSThomas Hellstrom vmw_resource_release_id(res); 239c74c162fSThomas Hellstrom out_no_id: 240c74c162fSThomas Hellstrom return ret; 241c74c162fSThomas Hellstrom } 242c74c162fSThomas Hellstrom 243c74c162fSThomas Hellstrom static int vmw_gb_shader_bind(struct vmw_resource *res, 244c74c162fSThomas Hellstrom struct ttm_validate_buffer *val_buf) 245c74c162fSThomas Hellstrom { 246c74c162fSThomas Hellstrom struct vmw_private *dev_priv = res->dev_priv; 247c74c162fSThomas Hellstrom struct { 248c74c162fSThomas Hellstrom SVGA3dCmdHeader header; 249c74c162fSThomas Hellstrom SVGA3dCmdBindGBShader body; 250c74c162fSThomas Hellstrom } *cmd; 251c74c162fSThomas Hellstrom struct ttm_buffer_object *bo = val_buf->bo; 252c74c162fSThomas Hellstrom 253d3116756SChristian König BUG_ON(bo->resource->mem_type != VMW_PL_MOB); 254c74c162fSThomas Hellstrom 2558426ed9cSZack Rusin cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd)); 25611c45419SDeepak Rawat if (unlikely(cmd == NULL)) 257c74c162fSThomas Hellstrom return -ENOMEM; 258c74c162fSThomas Hellstrom 259c74c162fSThomas Hellstrom cmd->header.id = SVGA_3D_CMD_BIND_GB_SHADER; 260c74c162fSThomas Hellstrom cmd->header.size = sizeof(cmd->body); 261c74c162fSThomas Hellstrom cmd->body.shid = res->id; 262d3116756SChristian König cmd->body.mobid = bo->resource->start; 263b8ccd1e4SThomas Hellstrom cmd->body.offsetInBytes = res->backup_offset; 264c74c162fSThomas Hellstrom res->backup_dirty = false; 2658426ed9cSZack Rusin vmw_cmd_commit(dev_priv, sizeof(*cmd)); 266c74c162fSThomas Hellstrom 267c74c162fSThomas Hellstrom return 0; 268c74c162fSThomas Hellstrom } 269c74c162fSThomas Hellstrom 270c74c162fSThomas Hellstrom static int vmw_gb_shader_unbind(struct vmw_resource *res, 271c74c162fSThomas Hellstrom bool readback, 272c74c162fSThomas Hellstrom struct ttm_validate_buffer *val_buf) 273c74c162fSThomas Hellstrom { 274c74c162fSThomas Hellstrom struct vmw_private *dev_priv = res->dev_priv; 275c74c162fSThomas Hellstrom struct { 276c74c162fSThomas Hellstrom SVGA3dCmdHeader header; 277c74c162fSThomas Hellstrom SVGA3dCmdBindGBShader body; 278c74c162fSThomas Hellstrom } *cmd; 279c74c162fSThomas Hellstrom struct vmw_fence_obj *fence; 280c74c162fSThomas Hellstrom 281d3116756SChristian König BUG_ON(res->backup->base.resource->mem_type != VMW_PL_MOB); 282c74c162fSThomas Hellstrom 2838426ed9cSZack Rusin cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd)); 28411c45419SDeepak Rawat if (unlikely(cmd == NULL)) 285c74c162fSThomas Hellstrom return -ENOMEM; 286c74c162fSThomas Hellstrom 287c74c162fSThomas Hellstrom cmd->header.id = SVGA_3D_CMD_BIND_GB_SHADER; 288c74c162fSThomas Hellstrom cmd->header.size = sizeof(cmd->body); 289c74c162fSThomas Hellstrom cmd->body.shid = res->id; 290c74c162fSThomas Hellstrom cmd->body.mobid = SVGA3D_INVALID_ID; 291c74c162fSThomas Hellstrom cmd->body.offsetInBytes = 0; 2928426ed9cSZack Rusin vmw_cmd_commit(dev_priv, sizeof(*cmd)); 293c74c162fSThomas Hellstrom 294c74c162fSThomas Hellstrom /* 295c74c162fSThomas Hellstrom * Create a fence object and fence the backup buffer. 296c74c162fSThomas Hellstrom */ 297c74c162fSThomas Hellstrom 298c74c162fSThomas Hellstrom (void) vmw_execbuf_fence_commands(NULL, dev_priv, 299c74c162fSThomas Hellstrom &fence, NULL); 300c74c162fSThomas Hellstrom 301e9431ea5SThomas Hellstrom vmw_bo_fence_single(val_buf->bo, fence); 302c74c162fSThomas Hellstrom 303c74c162fSThomas Hellstrom if (likely(fence != NULL)) 304c74c162fSThomas Hellstrom vmw_fence_obj_unreference(&fence); 305c74c162fSThomas Hellstrom 306c74c162fSThomas Hellstrom return 0; 307c74c162fSThomas Hellstrom } 308c74c162fSThomas Hellstrom 309c74c162fSThomas Hellstrom static int vmw_gb_shader_destroy(struct vmw_resource *res) 310c74c162fSThomas Hellstrom { 311c74c162fSThomas Hellstrom struct vmw_private *dev_priv = res->dev_priv; 312c74c162fSThomas Hellstrom struct { 313c74c162fSThomas Hellstrom SVGA3dCmdHeader header; 314c74c162fSThomas Hellstrom SVGA3dCmdDestroyGBShader body; 315c74c162fSThomas Hellstrom } *cmd; 316c74c162fSThomas Hellstrom 317c74c162fSThomas Hellstrom if (likely(res->id == -1)) 318c74c162fSThomas Hellstrom return 0; 319c74c162fSThomas Hellstrom 320173fb7d4SThomas Hellstrom mutex_lock(&dev_priv->binding_mutex); 321d80efd5cSThomas Hellstrom vmw_binding_res_list_scrub(&res->binding_head); 322173fb7d4SThomas Hellstrom 3238426ed9cSZack Rusin cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd)); 324c74c162fSThomas Hellstrom if (unlikely(cmd == NULL)) { 3253e894a62SThomas Hellstrom mutex_unlock(&dev_priv->binding_mutex); 326c74c162fSThomas Hellstrom return -ENOMEM; 327c74c162fSThomas Hellstrom } 328c74c162fSThomas Hellstrom 329c74c162fSThomas Hellstrom cmd->header.id = SVGA_3D_CMD_DESTROY_GB_SHADER; 330c74c162fSThomas Hellstrom cmd->header.size = sizeof(cmd->body); 331c74c162fSThomas Hellstrom cmd->body.shid = res->id; 3328426ed9cSZack Rusin vmw_cmd_commit(dev_priv, sizeof(*cmd)); 333173fb7d4SThomas Hellstrom mutex_unlock(&dev_priv->binding_mutex); 334c74c162fSThomas Hellstrom vmw_resource_release_id(res); 335153b3d5bSThomas Hellstrom vmw_fifo_resource_dec(dev_priv); 336c74c162fSThomas Hellstrom 337c74c162fSThomas Hellstrom return 0; 338c74c162fSThomas Hellstrom } 339c74c162fSThomas Hellstrom 340d80efd5cSThomas Hellstrom /* 341d80efd5cSThomas Hellstrom * DX shader code: 342d80efd5cSThomas Hellstrom */ 343d80efd5cSThomas Hellstrom 344d80efd5cSThomas Hellstrom /** 345d80efd5cSThomas Hellstrom * vmw_dx_shader_commit_notify - Notify that a shader operation has been 346d80efd5cSThomas Hellstrom * committed to hardware from a user-supplied command stream. 347d80efd5cSThomas Hellstrom * 348d80efd5cSThomas Hellstrom * @res: Pointer to the shader resource. 349d80efd5cSThomas Hellstrom * @state: Indicating whether a creation or removal has been committed. 350d80efd5cSThomas Hellstrom * 351d80efd5cSThomas Hellstrom */ 352d80efd5cSThomas Hellstrom static void vmw_dx_shader_commit_notify(struct vmw_resource *res, 353d80efd5cSThomas Hellstrom enum vmw_cmdbuf_res_state state) 354d80efd5cSThomas Hellstrom { 355d80efd5cSThomas Hellstrom struct vmw_dx_shader *shader = vmw_res_to_dx_shader(res); 356d80efd5cSThomas Hellstrom struct vmw_private *dev_priv = res->dev_priv; 357d80efd5cSThomas Hellstrom 358d80efd5cSThomas Hellstrom if (state == VMW_CMDBUF_RES_ADD) { 359d80efd5cSThomas Hellstrom mutex_lock(&dev_priv->binding_mutex); 360d80efd5cSThomas Hellstrom vmw_cotable_add_resource(shader->cotable, 361d80efd5cSThomas Hellstrom &shader->cotable_head); 362d80efd5cSThomas Hellstrom shader->committed = true; 363d80efd5cSThomas Hellstrom res->id = shader->id; 364d80efd5cSThomas Hellstrom mutex_unlock(&dev_priv->binding_mutex); 365d80efd5cSThomas Hellstrom } else { 366d80efd5cSThomas Hellstrom mutex_lock(&dev_priv->binding_mutex); 367d80efd5cSThomas Hellstrom list_del_init(&shader->cotable_head); 368d80efd5cSThomas Hellstrom shader->committed = false; 369d80efd5cSThomas Hellstrom res->id = -1; 370d80efd5cSThomas Hellstrom mutex_unlock(&dev_priv->binding_mutex); 371d80efd5cSThomas Hellstrom } 372d80efd5cSThomas Hellstrom } 373d80efd5cSThomas Hellstrom 374d80efd5cSThomas Hellstrom /** 375d80efd5cSThomas Hellstrom * vmw_dx_shader_unscrub - Have the device reattach a MOB to a DX shader. 376d80efd5cSThomas Hellstrom * 377d80efd5cSThomas Hellstrom * @res: The shader resource 378d80efd5cSThomas Hellstrom * 379d80efd5cSThomas Hellstrom * This function reverts a scrub operation. 380d80efd5cSThomas Hellstrom */ 381d80efd5cSThomas Hellstrom static int vmw_dx_shader_unscrub(struct vmw_resource *res) 382d80efd5cSThomas Hellstrom { 383d80efd5cSThomas Hellstrom struct vmw_dx_shader *shader = vmw_res_to_dx_shader(res); 384d80efd5cSThomas Hellstrom struct vmw_private *dev_priv = res->dev_priv; 385d80efd5cSThomas Hellstrom struct { 386d80efd5cSThomas Hellstrom SVGA3dCmdHeader header; 387d80efd5cSThomas Hellstrom SVGA3dCmdDXBindShader body; 388d80efd5cSThomas Hellstrom } *cmd; 389d80efd5cSThomas Hellstrom 390d80efd5cSThomas Hellstrom if (!list_empty(&shader->cotable_head) || !shader->committed) 391d80efd5cSThomas Hellstrom return 0; 392d80efd5cSThomas Hellstrom 3938426ed9cSZack Rusin cmd = VMW_CMD_CTX_RESERVE(dev_priv, sizeof(*cmd), shader->ctx->id); 39411c45419SDeepak Rawat if (unlikely(cmd == NULL)) 395d80efd5cSThomas Hellstrom return -ENOMEM; 396d80efd5cSThomas Hellstrom 397d80efd5cSThomas Hellstrom cmd->header.id = SVGA_3D_CMD_DX_BIND_SHADER; 398d80efd5cSThomas Hellstrom cmd->header.size = sizeof(cmd->body); 399d80efd5cSThomas Hellstrom cmd->body.cid = shader->ctx->id; 400d80efd5cSThomas Hellstrom cmd->body.shid = shader->id; 401d3116756SChristian König cmd->body.mobid = res->backup->base.resource->start; 402d80efd5cSThomas Hellstrom cmd->body.offsetInBytes = res->backup_offset; 4038426ed9cSZack Rusin vmw_cmd_commit(dev_priv, sizeof(*cmd)); 404d80efd5cSThomas Hellstrom 405d80efd5cSThomas Hellstrom vmw_cotable_add_resource(shader->cotable, &shader->cotable_head); 406d80efd5cSThomas Hellstrom 407d80efd5cSThomas Hellstrom return 0; 408d80efd5cSThomas Hellstrom } 409d80efd5cSThomas Hellstrom 410d80efd5cSThomas Hellstrom /** 411d80efd5cSThomas Hellstrom * vmw_dx_shader_create - The DX shader create callback 412d80efd5cSThomas Hellstrom * 413d80efd5cSThomas Hellstrom * @res: The DX shader resource 414d80efd5cSThomas Hellstrom * 415d80efd5cSThomas Hellstrom * The create callback is called as part of resource validation and 416d80efd5cSThomas Hellstrom * makes sure that we unscrub the shader if it's previously been scrubbed. 417d80efd5cSThomas Hellstrom */ 418d80efd5cSThomas Hellstrom static int vmw_dx_shader_create(struct vmw_resource *res) 419d80efd5cSThomas Hellstrom { 420d80efd5cSThomas Hellstrom struct vmw_private *dev_priv = res->dev_priv; 421d80efd5cSThomas Hellstrom struct vmw_dx_shader *shader = vmw_res_to_dx_shader(res); 422d80efd5cSThomas Hellstrom int ret = 0; 423d80efd5cSThomas Hellstrom 424d80efd5cSThomas Hellstrom WARN_ON_ONCE(!shader->committed); 425d80efd5cSThomas Hellstrom 426a0a63940SThomas Hellstrom if (vmw_resource_mob_attached(res)) { 427d80efd5cSThomas Hellstrom mutex_lock(&dev_priv->binding_mutex); 428d80efd5cSThomas Hellstrom ret = vmw_dx_shader_unscrub(res); 429d80efd5cSThomas Hellstrom mutex_unlock(&dev_priv->binding_mutex); 430d80efd5cSThomas Hellstrom } 431d80efd5cSThomas Hellstrom 432d80efd5cSThomas Hellstrom res->id = shader->id; 433d80efd5cSThomas Hellstrom return ret; 434d80efd5cSThomas Hellstrom } 435d80efd5cSThomas Hellstrom 436d80efd5cSThomas Hellstrom /** 437d80efd5cSThomas Hellstrom * vmw_dx_shader_bind - The DX shader bind callback 438d80efd5cSThomas Hellstrom * 439d80efd5cSThomas Hellstrom * @res: The DX shader resource 440d80efd5cSThomas Hellstrom * @val_buf: Pointer to the validate buffer. 441d80efd5cSThomas Hellstrom * 442d80efd5cSThomas Hellstrom */ 443d80efd5cSThomas Hellstrom static int vmw_dx_shader_bind(struct vmw_resource *res, 444d80efd5cSThomas Hellstrom struct ttm_validate_buffer *val_buf) 445d80efd5cSThomas Hellstrom { 446d80efd5cSThomas Hellstrom struct vmw_private *dev_priv = res->dev_priv; 447d80efd5cSThomas Hellstrom struct ttm_buffer_object *bo = val_buf->bo; 448d80efd5cSThomas Hellstrom 449d3116756SChristian König BUG_ON(bo->resource->mem_type != VMW_PL_MOB); 450d80efd5cSThomas Hellstrom mutex_lock(&dev_priv->binding_mutex); 451d80efd5cSThomas Hellstrom vmw_dx_shader_unscrub(res); 452d80efd5cSThomas Hellstrom mutex_unlock(&dev_priv->binding_mutex); 453d80efd5cSThomas Hellstrom 454d80efd5cSThomas Hellstrom return 0; 455d80efd5cSThomas Hellstrom } 456d80efd5cSThomas Hellstrom 457d80efd5cSThomas Hellstrom /** 458d80efd5cSThomas Hellstrom * vmw_dx_shader_scrub - Have the device unbind a MOB from a DX shader. 459d80efd5cSThomas Hellstrom * 460d80efd5cSThomas Hellstrom * @res: The shader resource 461d80efd5cSThomas Hellstrom * 462d80efd5cSThomas Hellstrom * This function unbinds a MOB from the DX shader without requiring the 463d80efd5cSThomas Hellstrom * MOB dma_buffer to be reserved. The driver still considers the MOB bound. 464d80efd5cSThomas Hellstrom * However, once the driver eventually decides to unbind the MOB, it doesn't 465d80efd5cSThomas Hellstrom * need to access the context. 466d80efd5cSThomas Hellstrom */ 467d80efd5cSThomas Hellstrom static int vmw_dx_shader_scrub(struct vmw_resource *res) 468d80efd5cSThomas Hellstrom { 469d80efd5cSThomas Hellstrom struct vmw_dx_shader *shader = vmw_res_to_dx_shader(res); 470d80efd5cSThomas Hellstrom struct vmw_private *dev_priv = res->dev_priv; 471d80efd5cSThomas Hellstrom struct { 472d80efd5cSThomas Hellstrom SVGA3dCmdHeader header; 473d80efd5cSThomas Hellstrom SVGA3dCmdDXBindShader body; 474d80efd5cSThomas Hellstrom } *cmd; 475d80efd5cSThomas Hellstrom 476d80efd5cSThomas Hellstrom if (list_empty(&shader->cotable_head)) 477d80efd5cSThomas Hellstrom return 0; 478d80efd5cSThomas Hellstrom 479d80efd5cSThomas Hellstrom WARN_ON_ONCE(!shader->committed); 4808426ed9cSZack Rusin cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd)); 48111c45419SDeepak Rawat if (unlikely(cmd == NULL)) 482d80efd5cSThomas Hellstrom return -ENOMEM; 483d80efd5cSThomas Hellstrom 484d80efd5cSThomas Hellstrom cmd->header.id = SVGA_3D_CMD_DX_BIND_SHADER; 485d80efd5cSThomas Hellstrom cmd->header.size = sizeof(cmd->body); 486d80efd5cSThomas Hellstrom cmd->body.cid = shader->ctx->id; 487d80efd5cSThomas Hellstrom cmd->body.shid = res->id; 488d80efd5cSThomas Hellstrom cmd->body.mobid = SVGA3D_INVALID_ID; 489d80efd5cSThomas Hellstrom cmd->body.offsetInBytes = 0; 4908426ed9cSZack Rusin vmw_cmd_commit(dev_priv, sizeof(*cmd)); 491d80efd5cSThomas Hellstrom res->id = -1; 492d80efd5cSThomas Hellstrom list_del_init(&shader->cotable_head); 493d80efd5cSThomas Hellstrom 494d80efd5cSThomas Hellstrom return 0; 495d80efd5cSThomas Hellstrom } 496d80efd5cSThomas Hellstrom 497d80efd5cSThomas Hellstrom /** 498d80efd5cSThomas Hellstrom * vmw_dx_shader_unbind - The dx shader unbind callback. 499d80efd5cSThomas Hellstrom * 500d80efd5cSThomas Hellstrom * @res: The shader resource 501d80efd5cSThomas Hellstrom * @readback: Whether this is a readback unbind. Currently unused. 502d80efd5cSThomas Hellstrom * @val_buf: MOB buffer information. 503d80efd5cSThomas Hellstrom */ 504d80efd5cSThomas Hellstrom static int vmw_dx_shader_unbind(struct vmw_resource *res, 505d80efd5cSThomas Hellstrom bool readback, 506d80efd5cSThomas Hellstrom struct ttm_validate_buffer *val_buf) 507d80efd5cSThomas Hellstrom { 508d80efd5cSThomas Hellstrom struct vmw_private *dev_priv = res->dev_priv; 509d80efd5cSThomas Hellstrom struct vmw_fence_obj *fence; 510d80efd5cSThomas Hellstrom int ret; 511d80efd5cSThomas Hellstrom 512d3116756SChristian König BUG_ON(res->backup->base.resource->mem_type != VMW_PL_MOB); 513d80efd5cSThomas Hellstrom 514d80efd5cSThomas Hellstrom mutex_lock(&dev_priv->binding_mutex); 515d80efd5cSThomas Hellstrom ret = vmw_dx_shader_scrub(res); 516d80efd5cSThomas Hellstrom mutex_unlock(&dev_priv->binding_mutex); 517d80efd5cSThomas Hellstrom 518d80efd5cSThomas Hellstrom if (ret) 519d80efd5cSThomas Hellstrom return ret; 520d80efd5cSThomas Hellstrom 521d80efd5cSThomas Hellstrom (void) vmw_execbuf_fence_commands(NULL, dev_priv, 522d80efd5cSThomas Hellstrom &fence, NULL); 523e9431ea5SThomas Hellstrom vmw_bo_fence_single(val_buf->bo, fence); 524d80efd5cSThomas Hellstrom 525d80efd5cSThomas Hellstrom if (likely(fence != NULL)) 526d80efd5cSThomas Hellstrom vmw_fence_obj_unreference(&fence); 527d80efd5cSThomas Hellstrom 528d80efd5cSThomas Hellstrom return 0; 529d80efd5cSThomas Hellstrom } 530d80efd5cSThomas Hellstrom 531d80efd5cSThomas Hellstrom /** 532d80efd5cSThomas Hellstrom * vmw_dx_shader_cotable_list_scrub - The cotable unbind_func callback for 533d80efd5cSThomas Hellstrom * DX shaders. 534d80efd5cSThomas Hellstrom * 535d80efd5cSThomas Hellstrom * @dev_priv: Pointer to device private structure. 536d80efd5cSThomas Hellstrom * @list: The list of cotable resources. 537d80efd5cSThomas Hellstrom * @readback: Whether the call was part of a readback unbind. 538d80efd5cSThomas Hellstrom * 539d80efd5cSThomas Hellstrom * Scrubs all shader MOBs so that any subsequent shader unbind or shader 540d80efd5cSThomas Hellstrom * destroy operation won't need to swap in the context. 541d80efd5cSThomas Hellstrom */ 542d80efd5cSThomas Hellstrom void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 543d80efd5cSThomas Hellstrom struct list_head *list, 544d80efd5cSThomas Hellstrom bool readback) 545d80efd5cSThomas Hellstrom { 546d80efd5cSThomas Hellstrom struct vmw_dx_shader *entry, *next; 547d80efd5cSThomas Hellstrom 548d76ce03eSThomas Hellstrom lockdep_assert_held_once(&dev_priv->binding_mutex); 549d80efd5cSThomas Hellstrom 550d80efd5cSThomas Hellstrom list_for_each_entry_safe(entry, next, list, cotable_head) { 551d80efd5cSThomas Hellstrom WARN_ON(vmw_dx_shader_scrub(&entry->res)); 552d80efd5cSThomas Hellstrom if (!readback) 553d80efd5cSThomas Hellstrom entry->committed = false; 554d80efd5cSThomas Hellstrom } 555d80efd5cSThomas Hellstrom } 556d80efd5cSThomas Hellstrom 557d80efd5cSThomas Hellstrom /** 558d80efd5cSThomas Hellstrom * vmw_dx_shader_res_free - The DX shader free callback 559d80efd5cSThomas Hellstrom * 560d80efd5cSThomas Hellstrom * @res: The shader resource 561d80efd5cSThomas Hellstrom * 5628aadeb8aSZack Rusin * Frees the DX shader resource. 563d80efd5cSThomas Hellstrom */ 564d80efd5cSThomas Hellstrom static void vmw_dx_shader_res_free(struct vmw_resource *res) 565d80efd5cSThomas Hellstrom { 566d80efd5cSThomas Hellstrom struct vmw_dx_shader *shader = vmw_res_to_dx_shader(res); 567d80efd5cSThomas Hellstrom 568d80efd5cSThomas Hellstrom vmw_resource_unreference(&shader->cotable); 569d80efd5cSThomas Hellstrom kfree(shader); 570d80efd5cSThomas Hellstrom } 571d80efd5cSThomas Hellstrom 572d80efd5cSThomas Hellstrom /** 573d80efd5cSThomas Hellstrom * vmw_dx_shader_add - Add a shader resource as a command buffer managed 574d80efd5cSThomas Hellstrom * resource. 575d80efd5cSThomas Hellstrom * 576d80efd5cSThomas Hellstrom * @man: The command buffer resource manager. 577d80efd5cSThomas Hellstrom * @ctx: Pointer to the context resource. 578d80efd5cSThomas Hellstrom * @user_key: The id used for this shader. 579d80efd5cSThomas Hellstrom * @shader_type: The shader type. 580d80efd5cSThomas Hellstrom * @list: The list of staged command buffer managed resources. 581d80efd5cSThomas Hellstrom */ 582d80efd5cSThomas Hellstrom int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 583d80efd5cSThomas Hellstrom struct vmw_resource *ctx, 584d80efd5cSThomas Hellstrom u32 user_key, 585d80efd5cSThomas Hellstrom SVGA3dShaderType shader_type, 586d80efd5cSThomas Hellstrom struct list_head *list) 587d80efd5cSThomas Hellstrom { 588d80efd5cSThomas Hellstrom struct vmw_dx_shader *shader; 589d80efd5cSThomas Hellstrom struct vmw_resource *res; 590d80efd5cSThomas Hellstrom struct vmw_private *dev_priv = ctx->dev_priv; 591d80efd5cSThomas Hellstrom int ret; 592d80efd5cSThomas Hellstrom 593d80efd5cSThomas Hellstrom if (!vmw_shader_id_ok(user_key, shader_type)) 594d80efd5cSThomas Hellstrom return -EINVAL; 595d80efd5cSThomas Hellstrom 596d80efd5cSThomas Hellstrom shader = kmalloc(sizeof(*shader), GFP_KERNEL); 597d80efd5cSThomas Hellstrom if (!shader) { 598d80efd5cSThomas Hellstrom return -ENOMEM; 599d80efd5cSThomas Hellstrom } 600d80efd5cSThomas Hellstrom 601d80efd5cSThomas Hellstrom res = &shader->res; 602d80efd5cSThomas Hellstrom shader->ctx = ctx; 6031b9a01d6SThomas Hellstrom shader->cotable = vmw_resource_reference 6041b9a01d6SThomas Hellstrom (vmw_context_cotable(ctx, SVGA_COTABLE_DXSHADER)); 605d80efd5cSThomas Hellstrom shader->id = user_key; 606d80efd5cSThomas Hellstrom shader->committed = false; 607d80efd5cSThomas Hellstrom INIT_LIST_HEAD(&shader->cotable_head); 608d80efd5cSThomas Hellstrom ret = vmw_resource_init(dev_priv, res, true, 609d80efd5cSThomas Hellstrom vmw_dx_shader_res_free, &vmw_dx_shader_func); 610d80efd5cSThomas Hellstrom if (ret) 611d80efd5cSThomas Hellstrom goto out_resource_init; 612d80efd5cSThomas Hellstrom 613d80efd5cSThomas Hellstrom /* 614d80efd5cSThomas Hellstrom * The user_key name-space is not per shader type for DX shaders, 615d80efd5cSThomas Hellstrom * so when hashing, use a single zero shader type. 616d80efd5cSThomas Hellstrom */ 617d80efd5cSThomas Hellstrom ret = vmw_cmdbuf_res_add(man, vmw_cmdbuf_res_shader, 618d80efd5cSThomas Hellstrom vmw_shader_key(user_key, 0), 619d80efd5cSThomas Hellstrom res, list); 620d80efd5cSThomas Hellstrom if (ret) 621d80efd5cSThomas Hellstrom goto out_resource_init; 622d80efd5cSThomas Hellstrom 623d80efd5cSThomas Hellstrom res->id = shader->id; 62413289241SThomas Hellstrom res->hw_destroy = vmw_hw_shader_destroy; 625d80efd5cSThomas Hellstrom 626d80efd5cSThomas Hellstrom out_resource_init: 627d80efd5cSThomas Hellstrom vmw_resource_unreference(&res); 628d80efd5cSThomas Hellstrom 629d80efd5cSThomas Hellstrom return ret; 630d80efd5cSThomas Hellstrom } 631d80efd5cSThomas Hellstrom 632d80efd5cSThomas Hellstrom 633d80efd5cSThomas Hellstrom 634ad2ae415SLee Jones /* 635c74c162fSThomas Hellstrom * User-space shader management: 636c74c162fSThomas Hellstrom */ 637c74c162fSThomas Hellstrom 638c74c162fSThomas Hellstrom static struct vmw_resource * 639c74c162fSThomas Hellstrom vmw_user_shader_base_to_res(struct ttm_base_object *base) 640c74c162fSThomas Hellstrom { 641c74c162fSThomas Hellstrom return &(container_of(base, struct vmw_user_shader, base)-> 642c74c162fSThomas Hellstrom shader.res); 643c74c162fSThomas Hellstrom } 644c74c162fSThomas Hellstrom 645c74c162fSThomas Hellstrom static void vmw_user_shader_free(struct vmw_resource *res) 646c74c162fSThomas Hellstrom { 647c74c162fSThomas Hellstrom struct vmw_user_shader *ushader = 648c74c162fSThomas Hellstrom container_of(res, struct vmw_user_shader, shader.res); 649c74c162fSThomas Hellstrom 650c74c162fSThomas Hellstrom ttm_base_object_kfree(ushader, base); 651c74c162fSThomas Hellstrom } 652c74c162fSThomas Hellstrom 65318e4a466SThomas Hellstrom static void vmw_shader_free(struct vmw_resource *res) 65418e4a466SThomas Hellstrom { 65518e4a466SThomas Hellstrom struct vmw_shader *shader = vmw_res_to_shader(res); 65618e4a466SThomas Hellstrom 65718e4a466SThomas Hellstrom kfree(shader); 65818e4a466SThomas Hellstrom } 65918e4a466SThomas Hellstrom 660ad2ae415SLee Jones /* 661c74c162fSThomas Hellstrom * This function is called when user space has no more references on the 662c74c162fSThomas Hellstrom * base object. It releases the base-object's reference on the resource object. 663c74c162fSThomas Hellstrom */ 664c74c162fSThomas Hellstrom 665c74c162fSThomas Hellstrom static void vmw_user_shader_base_release(struct ttm_base_object **p_base) 666c74c162fSThomas Hellstrom { 667c74c162fSThomas Hellstrom struct ttm_base_object *base = *p_base; 668c74c162fSThomas Hellstrom struct vmw_resource *res = vmw_user_shader_base_to_res(base); 669c74c162fSThomas Hellstrom 670c74c162fSThomas Hellstrom *p_base = NULL; 671c74c162fSThomas Hellstrom vmw_resource_unreference(&res); 672c74c162fSThomas Hellstrom } 673c74c162fSThomas Hellstrom 674c74c162fSThomas Hellstrom int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 675c74c162fSThomas Hellstrom struct drm_file *file_priv) 676c74c162fSThomas Hellstrom { 677c74c162fSThomas Hellstrom struct drm_vmw_shader_arg *arg = (struct drm_vmw_shader_arg *)data; 678c74c162fSThomas Hellstrom struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; 679c74c162fSThomas Hellstrom 6808afa13a0SZack Rusin return ttm_ref_object_base_unref(tfile, arg->handle); 681c74c162fSThomas Hellstrom } 682c74c162fSThomas Hellstrom 68318e4a466SThomas Hellstrom static int vmw_user_shader_alloc(struct vmw_private *dev_priv, 684*09881d29SZack Rusin struct vmw_bo *buffer, 685d5bde956SThomas Hellstrom size_t shader_size, 686d5bde956SThomas Hellstrom size_t offset, 687d5bde956SThomas Hellstrom SVGA3dShaderType shader_type, 688d80efd5cSThomas Hellstrom uint8_t num_input_sig, 689d80efd5cSThomas Hellstrom uint8_t num_output_sig, 690d5bde956SThomas Hellstrom struct ttm_object_file *tfile, 691d5bde956SThomas Hellstrom u32 *handle) 692d5bde956SThomas Hellstrom { 693d5bde956SThomas Hellstrom struct vmw_user_shader *ushader; 694d5bde956SThomas Hellstrom struct vmw_resource *res, *tmp; 695d5bde956SThomas Hellstrom int ret; 696d5bde956SThomas Hellstrom 697d5bde956SThomas Hellstrom ushader = kzalloc(sizeof(*ushader), GFP_KERNEL); 6981a4adb05SRavikant B Sharma if (unlikely(!ushader)) { 699d5bde956SThomas Hellstrom ret = -ENOMEM; 700d5bde956SThomas Hellstrom goto out; 701d5bde956SThomas Hellstrom } 702d5bde956SThomas Hellstrom 703d5bde956SThomas Hellstrom res = &ushader->shader.res; 704d5bde956SThomas Hellstrom ushader->base.shareable = false; 705d5bde956SThomas Hellstrom ushader->base.tfile = NULL; 706d5bde956SThomas Hellstrom 707d5bde956SThomas Hellstrom /* 708d5bde956SThomas Hellstrom * From here on, the destructor takes over resource freeing. 709d5bde956SThomas Hellstrom */ 710d5bde956SThomas Hellstrom 711d5bde956SThomas Hellstrom ret = vmw_gb_shader_init(dev_priv, res, shader_size, 712d80efd5cSThomas Hellstrom offset, shader_type, num_input_sig, 713d80efd5cSThomas Hellstrom num_output_sig, buffer, 714d5bde956SThomas Hellstrom vmw_user_shader_free); 715d5bde956SThomas Hellstrom if (unlikely(ret != 0)) 716d5bde956SThomas Hellstrom goto out; 717d5bde956SThomas Hellstrom 718d5bde956SThomas Hellstrom tmp = vmw_resource_reference(res); 719d5bde956SThomas Hellstrom ret = ttm_base_object_init(tfile, &ushader->base, false, 720d5bde956SThomas Hellstrom VMW_RES_SHADER, 7218afa13a0SZack Rusin &vmw_user_shader_base_release); 722d5bde956SThomas Hellstrom 723d5bde956SThomas Hellstrom if (unlikely(ret != 0)) { 724d5bde956SThomas Hellstrom vmw_resource_unreference(&tmp); 725d5bde956SThomas Hellstrom goto out_err; 726d5bde956SThomas Hellstrom } 727d5bde956SThomas Hellstrom 728d5bde956SThomas Hellstrom if (handle) 729c7eae626SThomas Hellstrom *handle = ushader->base.handle; 730d5bde956SThomas Hellstrom out_err: 731d5bde956SThomas Hellstrom vmw_resource_unreference(&res); 732d5bde956SThomas Hellstrom out: 733d5bde956SThomas Hellstrom return ret; 734d5bde956SThomas Hellstrom } 735d5bde956SThomas Hellstrom 736d5bde956SThomas Hellstrom 737b9eb1a61SThomas Hellstrom static struct vmw_resource *vmw_shader_alloc(struct vmw_private *dev_priv, 738*09881d29SZack Rusin struct vmw_bo *buffer, 73918e4a466SThomas Hellstrom size_t shader_size, 74018e4a466SThomas Hellstrom size_t offset, 74118e4a466SThomas Hellstrom SVGA3dShaderType shader_type) 74218e4a466SThomas Hellstrom { 74318e4a466SThomas Hellstrom struct vmw_shader *shader; 74418e4a466SThomas Hellstrom struct vmw_resource *res; 74518e4a466SThomas Hellstrom int ret; 74618e4a466SThomas Hellstrom 74718e4a466SThomas Hellstrom shader = kzalloc(sizeof(*shader), GFP_KERNEL); 7481a4adb05SRavikant B Sharma if (unlikely(!shader)) { 74918e4a466SThomas Hellstrom ret = -ENOMEM; 75018e4a466SThomas Hellstrom goto out_err; 75118e4a466SThomas Hellstrom } 75218e4a466SThomas Hellstrom 75318e4a466SThomas Hellstrom res = &shader->res; 75418e4a466SThomas Hellstrom 75518e4a466SThomas Hellstrom /* 75618e4a466SThomas Hellstrom * From here on, the destructor takes over resource freeing. 75718e4a466SThomas Hellstrom */ 75818e4a466SThomas Hellstrom ret = vmw_gb_shader_init(dev_priv, res, shader_size, 759d80efd5cSThomas Hellstrom offset, shader_type, 0, 0, buffer, 76018e4a466SThomas Hellstrom vmw_shader_free); 76118e4a466SThomas Hellstrom 76218e4a466SThomas Hellstrom out_err: 76318e4a466SThomas Hellstrom return ret ? ERR_PTR(ret) : res; 76418e4a466SThomas Hellstrom } 76518e4a466SThomas Hellstrom 76618e4a466SThomas Hellstrom 767d80efd5cSThomas Hellstrom static int vmw_shader_define(struct drm_device *dev, struct drm_file *file_priv, 768d80efd5cSThomas Hellstrom enum drm_vmw_shader_type shader_type_drm, 769d80efd5cSThomas Hellstrom u32 buffer_handle, size_t size, size_t offset, 770d80efd5cSThomas Hellstrom uint8_t num_input_sig, uint8_t num_output_sig, 771d80efd5cSThomas Hellstrom uint32_t *shader_handle) 772c74c162fSThomas Hellstrom { 773c74c162fSThomas Hellstrom struct vmw_private *dev_priv = vmw_priv(dev); 774c74c162fSThomas Hellstrom struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; 775*09881d29SZack Rusin struct vmw_bo *buffer = NULL; 776c74c162fSThomas Hellstrom SVGA3dShaderType shader_type; 777c74c162fSThomas Hellstrom int ret; 778c74c162fSThomas Hellstrom 779d80efd5cSThomas Hellstrom if (buffer_handle != SVGA3D_INVALID_ID) { 7808afa13a0SZack Rusin ret = vmw_user_bo_lookup(file_priv, buffer_handle, &buffer); 781c74c162fSThomas Hellstrom if (unlikely(ret != 0)) { 7825724f899SDeepak Rawat VMW_DEBUG_USER("Couldn't find buffer for shader creation.\n"); 783c74c162fSThomas Hellstrom return ret; 784c74c162fSThomas Hellstrom } 785c74c162fSThomas Hellstrom 786e11bfb99SChristian König if ((u64)buffer->base.base.size < (u64)size + (u64)offset) { 7875724f899SDeepak Rawat VMW_DEBUG_USER("Illegal buffer- or shader size.\n"); 788c74c162fSThomas Hellstrom ret = -EINVAL; 789c74c162fSThomas Hellstrom goto out_bad_arg; 790c74c162fSThomas Hellstrom } 791c74c162fSThomas Hellstrom } 792c74c162fSThomas Hellstrom 793d80efd5cSThomas Hellstrom switch (shader_type_drm) { 794c74c162fSThomas Hellstrom case drm_vmw_shader_type_vs: 795c74c162fSThomas Hellstrom shader_type = SVGA3D_SHADERTYPE_VS; 796c74c162fSThomas Hellstrom break; 797c74c162fSThomas Hellstrom case drm_vmw_shader_type_ps: 798c74c162fSThomas Hellstrom shader_type = SVGA3D_SHADERTYPE_PS; 799c74c162fSThomas Hellstrom break; 800c74c162fSThomas Hellstrom default: 8015724f899SDeepak Rawat VMW_DEBUG_USER("Illegal shader type.\n"); 802c74c162fSThomas Hellstrom ret = -EINVAL; 803c74c162fSThomas Hellstrom goto out_bad_arg; 804c74c162fSThomas Hellstrom } 805c74c162fSThomas Hellstrom 806d80efd5cSThomas Hellstrom ret = vmw_user_shader_alloc(dev_priv, buffer, size, offset, 807d80efd5cSThomas Hellstrom shader_type, num_input_sig, 808d80efd5cSThomas Hellstrom num_output_sig, tfile, shader_handle); 809c74c162fSThomas Hellstrom out_bad_arg: 810f1d34bfdSThomas Hellstrom vmw_bo_unreference(&buffer); 811d5bde956SThomas Hellstrom return ret; 812d5bde956SThomas Hellstrom } 813c74c162fSThomas Hellstrom 814d5bde956SThomas Hellstrom /** 815d80efd5cSThomas Hellstrom * vmw_shader_id_ok - Check whether a compat shader user key and 81618e4a466SThomas Hellstrom * shader type are within valid bounds. 817d5bde956SThomas Hellstrom * 81818e4a466SThomas Hellstrom * @user_key: User space id of the shader. 81918e4a466SThomas Hellstrom * @shader_type: Shader type. 820d5bde956SThomas Hellstrom * 82118e4a466SThomas Hellstrom * Returns true if valid false if not. 822d5bde956SThomas Hellstrom */ 823d80efd5cSThomas Hellstrom static bool vmw_shader_id_ok(u32 user_key, SVGA3dShaderType shader_type) 824d5bde956SThomas Hellstrom { 82518e4a466SThomas Hellstrom return user_key <= ((1 << 20) - 1) && (unsigned) shader_type < 16; 826d5bde956SThomas Hellstrom } 827d5bde956SThomas Hellstrom 828d5bde956SThomas Hellstrom /** 829d80efd5cSThomas Hellstrom * vmw_shader_key - Compute a hash key suitable for a compat shader. 830d5bde956SThomas Hellstrom * 83118e4a466SThomas Hellstrom * @user_key: User space id of the shader. 83218e4a466SThomas Hellstrom * @shader_type: Shader type. 833d5bde956SThomas Hellstrom * 83418e4a466SThomas Hellstrom * Returns a hash key suitable for a command buffer managed resource 83518e4a466SThomas Hellstrom * manager hash table. 836d5bde956SThomas Hellstrom */ 837d80efd5cSThomas Hellstrom static u32 vmw_shader_key(u32 user_key, SVGA3dShaderType shader_type) 838d5bde956SThomas Hellstrom { 83918e4a466SThomas Hellstrom return user_key | (shader_type << 20); 840d5bde956SThomas Hellstrom } 841d5bde956SThomas Hellstrom 842d5bde956SThomas Hellstrom /** 843d80efd5cSThomas Hellstrom * vmw_shader_remove - Stage a compat shader for removal. 844d5bde956SThomas Hellstrom * 84518e4a466SThomas Hellstrom * @man: Pointer to the compat shader manager identifying the shader namespace. 846d5bde956SThomas Hellstrom * @user_key: The key that is used to identify the shader. The key is 847d5bde956SThomas Hellstrom * unique to the shader type. 848d5bde956SThomas Hellstrom * @shader_type: Shader type. 84918e4a466SThomas Hellstrom * @list: Caller's list of staged command buffer resource actions. 850d5bde956SThomas Hellstrom */ 851d80efd5cSThomas Hellstrom int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 852d5bde956SThomas Hellstrom u32 user_key, SVGA3dShaderType shader_type, 853d5bde956SThomas Hellstrom struct list_head *list) 854d5bde956SThomas Hellstrom { 855d80efd5cSThomas Hellstrom struct vmw_resource *dummy; 856d80efd5cSThomas Hellstrom 857d80efd5cSThomas Hellstrom if (!vmw_shader_id_ok(user_key, shader_type)) 858d5bde956SThomas Hellstrom return -EINVAL; 859d5bde956SThomas Hellstrom 860d80efd5cSThomas Hellstrom return vmw_cmdbuf_res_remove(man, vmw_cmdbuf_res_shader, 861d80efd5cSThomas Hellstrom vmw_shader_key(user_key, shader_type), 862d80efd5cSThomas Hellstrom list, &dummy); 863d5bde956SThomas Hellstrom } 864d5bde956SThomas Hellstrom 865d5bde956SThomas Hellstrom /** 86618e4a466SThomas Hellstrom * vmw_compat_shader_add - Create a compat shader and stage it for addition 86718e4a466SThomas Hellstrom * as a command buffer managed resource. 868d5bde956SThomas Hellstrom * 869ad2ae415SLee Jones * @dev_priv: Pointer to device private structure. 87018e4a466SThomas Hellstrom * @man: Pointer to the compat shader manager identifying the shader namespace. 871d5bde956SThomas Hellstrom * @user_key: The key that is used to identify the shader. The key is 872d5bde956SThomas Hellstrom * unique to the shader type. 873d5bde956SThomas Hellstrom * @bytecode: Pointer to the bytecode of the shader. 874d5bde956SThomas Hellstrom * @shader_type: Shader type. 875ad2ae415SLee Jones * @size: Command size. 87618e4a466SThomas Hellstrom * @list: Caller's list of staged command buffer resource actions. 877d5bde956SThomas Hellstrom * 878d5bde956SThomas Hellstrom */ 87918e4a466SThomas Hellstrom int vmw_compat_shader_add(struct vmw_private *dev_priv, 88018e4a466SThomas Hellstrom struct vmw_cmdbuf_res_manager *man, 881d5bde956SThomas Hellstrom u32 user_key, const void *bytecode, 882d5bde956SThomas Hellstrom SVGA3dShaderType shader_type, 883d5bde956SThomas Hellstrom size_t size, 884d5bde956SThomas Hellstrom struct list_head *list) 885d5bde956SThomas Hellstrom { 88619be5570SChristian König struct ttm_operation_ctx ctx = { false, true }; 887*09881d29SZack Rusin struct vmw_bo *buf; 888d5bde956SThomas Hellstrom struct ttm_bo_kmap_obj map; 889d5bde956SThomas Hellstrom bool is_iomem; 890d5bde956SThomas Hellstrom int ret; 89118e4a466SThomas Hellstrom struct vmw_resource *res; 892d5bde956SThomas Hellstrom 893d80efd5cSThomas Hellstrom if (!vmw_shader_id_ok(user_key, shader_type)) 894d5bde956SThomas Hellstrom return -EINVAL; 895d5bde956SThomas Hellstrom 8968afa13a0SZack Rusin ret = vmw_bo_create(dev_priv, size, &vmw_sys_placement, 8976b2e8aa4SZack Rusin true, true, &buf); 898d5bde956SThomas Hellstrom if (unlikely(ret != 0)) 899d5bde956SThomas Hellstrom goto out; 900d5bde956SThomas Hellstrom 901dfd5e50eSChristian König ret = ttm_bo_reserve(&buf->base, false, true, NULL); 902d5bde956SThomas Hellstrom if (unlikely(ret != 0)) 903d5bde956SThomas Hellstrom goto no_reserve; 904d5bde956SThomas Hellstrom 905d5bde956SThomas Hellstrom /* Map and copy shader bytecode. */ 906bc65754cSCai Huoqing ret = ttm_bo_kmap(&buf->base, 0, PFN_UP(size), &map); 907d5bde956SThomas Hellstrom if (unlikely(ret != 0)) { 908d5bde956SThomas Hellstrom ttm_bo_unreserve(&buf->base); 909d5bde956SThomas Hellstrom goto no_reserve; 910d5bde956SThomas Hellstrom } 911d5bde956SThomas Hellstrom 912d5bde956SThomas Hellstrom memcpy(ttm_kmap_obj_virtual(&map, &is_iomem), bytecode, size); 913d5bde956SThomas Hellstrom WARN_ON(is_iomem); 914d5bde956SThomas Hellstrom 915d5bde956SThomas Hellstrom ttm_bo_kunmap(&map); 91619be5570SChristian König ret = ttm_bo_validate(&buf->base, &vmw_sys_placement, &ctx); 917d5bde956SThomas Hellstrom WARN_ON(ret != 0); 918d5bde956SThomas Hellstrom ttm_bo_unreserve(&buf->base); 919d5bde956SThomas Hellstrom 92018e4a466SThomas Hellstrom res = vmw_shader_alloc(dev_priv, buf, size, 0, shader_type); 921d5bde956SThomas Hellstrom if (unlikely(ret != 0)) 922d5bde956SThomas Hellstrom goto no_reserve; 923d5bde956SThomas Hellstrom 924d80efd5cSThomas Hellstrom ret = vmw_cmdbuf_res_add(man, vmw_cmdbuf_res_shader, 925d80efd5cSThomas Hellstrom vmw_shader_key(user_key, shader_type), 92618e4a466SThomas Hellstrom res, list); 92718e4a466SThomas Hellstrom vmw_resource_unreference(&res); 928d5bde956SThomas Hellstrom no_reserve: 929f1d34bfdSThomas Hellstrom vmw_bo_unreference(&buf); 930d5bde956SThomas Hellstrom out: 931d5bde956SThomas Hellstrom return ret; 932d5bde956SThomas Hellstrom } 933d5bde956SThomas Hellstrom 934d5bde956SThomas Hellstrom /** 935d80efd5cSThomas Hellstrom * vmw_shader_lookup - Look up a compat shader 936d5bde956SThomas Hellstrom * 93718e4a466SThomas Hellstrom * @man: Pointer to the command buffer managed resource manager identifying 93818e4a466SThomas Hellstrom * the shader namespace. 93918e4a466SThomas Hellstrom * @user_key: The user space id of the shader. 94018e4a466SThomas Hellstrom * @shader_type: The shader type. 941d5bde956SThomas Hellstrom * 94218e4a466SThomas Hellstrom * Returns a refcounted pointer to a struct vmw_resource if the shader was 94318e4a466SThomas Hellstrom * found. An error pointer otherwise. 944d5bde956SThomas Hellstrom */ 94518e4a466SThomas Hellstrom struct vmw_resource * 946d80efd5cSThomas Hellstrom vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 94718e4a466SThomas Hellstrom u32 user_key, 94818e4a466SThomas Hellstrom SVGA3dShaderType shader_type) 949d5bde956SThomas Hellstrom { 950d80efd5cSThomas Hellstrom if (!vmw_shader_id_ok(user_key, shader_type)) 95118e4a466SThomas Hellstrom return ERR_PTR(-EINVAL); 952d5bde956SThomas Hellstrom 953d80efd5cSThomas Hellstrom return vmw_cmdbuf_res_lookup(man, vmw_cmdbuf_res_shader, 954d80efd5cSThomas Hellstrom vmw_shader_key(user_key, shader_type)); 955d80efd5cSThomas Hellstrom } 956d80efd5cSThomas Hellstrom 957d80efd5cSThomas Hellstrom int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 958d80efd5cSThomas Hellstrom struct drm_file *file_priv) 959d80efd5cSThomas Hellstrom { 960d80efd5cSThomas Hellstrom struct drm_vmw_shader_create_arg *arg = 961d80efd5cSThomas Hellstrom (struct drm_vmw_shader_create_arg *)data; 962d80efd5cSThomas Hellstrom 963d80efd5cSThomas Hellstrom return vmw_shader_define(dev, file_priv, arg->shader_type, 964d80efd5cSThomas Hellstrom arg->buffer_handle, 965d80efd5cSThomas Hellstrom arg->size, arg->offset, 966d80efd5cSThomas Hellstrom 0, 0, 967d80efd5cSThomas Hellstrom &arg->shader_handle); 968c74c162fSThomas Hellstrom } 969