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4075 | Serge | 1 | /************************************************************************** |
2 | * |
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3 | * Copyright © 2009-2012 VMware, Inc., Palo Alto, CA., USA |
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4 | * All Rights Reserved. |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the |
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8 | * "Software"), to deal in the Software without restriction, including |
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9 | * without limitation the rights to use, copy, modify, merge, publish, |
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10 | * distribute, sub license, and/or sell copies of the Software, and to |
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11 | * permit persons to whom the Software is furnished to do so, subject to |
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12 | * the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice (including the |
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15 | * next paragraph) shall be included in all copies or substantial portions |
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16 | * of the Software. |
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17 | * |
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18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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20 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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21 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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23 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
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25 | * |
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26 | **************************************************************************/ |
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27 | |||
28 | #include "vmwgfx_drv.h" |
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29 | #include "vmwgfx_resource_priv.h" |
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30 | #include |
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31 | #include "svga3d_surfacedefs.h" |
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32 | |||
33 | /** |
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34 | * struct vmw_user_surface - User-space visible surface resource |
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35 | * |
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36 | * @base: The TTM base object handling user-space visibility. |
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37 | * @srf: The surface metadata. |
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38 | * @size: TTM accounting size for the surface. |
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39 | */ |
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40 | struct vmw_user_surface { |
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41 | struct ttm_base_object base; |
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42 | struct vmw_surface srf; |
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43 | uint32_t size; |
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44 | uint32_t backup_handle; |
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45 | }; |
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46 | |||
47 | /** |
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48 | * struct vmw_surface_offset - Backing store mip level offset info |
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49 | * |
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50 | * @face: Surface face. |
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51 | * @mip: Mip level. |
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52 | * @bo_offset: Offset into backing store of this mip level. |
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53 | * |
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54 | */ |
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55 | struct vmw_surface_offset { |
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56 | uint32_t face; |
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57 | uint32_t mip; |
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58 | uint32_t bo_offset; |
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59 | }; |
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60 | |||
61 | static void vmw_user_surface_free(struct vmw_resource *res); |
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62 | static struct vmw_resource * |
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63 | vmw_user_surface_base_to_res(struct ttm_base_object *base); |
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64 | static int vmw_legacy_srf_bind(struct vmw_resource *res, |
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65 | struct ttm_validate_buffer *val_buf); |
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66 | static int vmw_legacy_srf_unbind(struct vmw_resource *res, |
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67 | bool readback, |
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68 | struct ttm_validate_buffer *val_buf); |
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69 | static int vmw_legacy_srf_create(struct vmw_resource *res); |
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70 | static int vmw_legacy_srf_destroy(struct vmw_resource *res); |
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71 | |||
72 | static const struct vmw_user_resource_conv user_surface_conv = { |
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73 | .object_type = VMW_RES_SURFACE, |
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74 | .base_obj_to_res = vmw_user_surface_base_to_res, |
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75 | .res_free = vmw_user_surface_free |
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76 | }; |
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77 | |||
78 | const struct vmw_user_resource_conv *user_surface_converter = |
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79 | &user_surface_conv; |
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80 | |||
81 | |||
82 | static uint64_t vmw_user_surface_size; |
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83 | |||
84 | static const struct vmw_res_func vmw_legacy_surface_func = { |
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85 | .res_type = vmw_res_surface, |
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86 | .needs_backup = false, |
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87 | .may_evict = true, |
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88 | .type_name = "legacy surfaces", |
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89 | .backup_placement = &vmw_srf_placement, |
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90 | .create = &vmw_legacy_srf_create, |
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91 | .destroy = &vmw_legacy_srf_destroy, |
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92 | .bind = &vmw_legacy_srf_bind, |
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93 | .unbind = &vmw_legacy_srf_unbind |
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94 | }; |
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95 | |||
96 | /** |
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97 | * struct vmw_surface_dma - SVGA3D DMA command |
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98 | */ |
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99 | struct vmw_surface_dma { |
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100 | SVGA3dCmdHeader header; |
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101 | SVGA3dCmdSurfaceDMA body; |
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102 | SVGA3dCopyBox cb; |
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103 | SVGA3dCmdSurfaceDMASuffix suffix; |
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104 | }; |
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105 | |||
106 | /** |
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107 | * struct vmw_surface_define - SVGA3D Surface Define command |
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108 | */ |
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109 | struct vmw_surface_define { |
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110 | SVGA3dCmdHeader header; |
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111 | SVGA3dCmdDefineSurface body; |
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112 | }; |
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113 | |||
114 | /** |
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115 | * struct vmw_surface_destroy - SVGA3D Surface Destroy command |
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116 | */ |
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117 | struct vmw_surface_destroy { |
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118 | SVGA3dCmdHeader header; |
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119 | SVGA3dCmdDestroySurface body; |
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120 | }; |
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121 | |||
122 | |||
123 | /** |
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124 | * vmw_surface_dma_size - Compute fifo size for a dma command. |
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125 | * |
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126 | * @srf: Pointer to a struct vmw_surface |
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127 | * |
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128 | * Computes the required size for a surface dma command for backup or |
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129 | * restoration of the surface represented by @srf. |
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130 | */ |
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131 | static inline uint32_t vmw_surface_dma_size(const struct vmw_surface *srf) |
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132 | { |
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133 | return srf->num_sizes * sizeof(struct vmw_surface_dma); |
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134 | } |
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135 | |||
136 | |||
137 | /** |
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138 | * vmw_surface_define_size - Compute fifo size for a surface define command. |
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139 | * |
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140 | * @srf: Pointer to a struct vmw_surface |
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141 | * |
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142 | * Computes the required size for a surface define command for the definition |
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143 | * of the surface represented by @srf. |
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144 | */ |
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145 | static inline uint32_t vmw_surface_define_size(const struct vmw_surface *srf) |
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146 | { |
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147 | return sizeof(struct vmw_surface_define) + srf->num_sizes * |
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148 | sizeof(SVGA3dSize); |
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149 | } |
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150 | |||
151 | |||
152 | /** |
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153 | * vmw_surface_destroy_size - Compute fifo size for a surface destroy command. |
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154 | * |
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155 | * Computes the required size for a surface destroy command for the destruction |
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156 | * of a hw surface. |
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157 | */ |
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158 | static inline uint32_t vmw_surface_destroy_size(void) |
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159 | { |
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160 | return sizeof(struct vmw_surface_destroy); |
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161 | } |
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162 | |||
163 | /** |
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164 | * vmw_surface_destroy_encode - Encode a surface_destroy command. |
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165 | * |
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166 | * @id: The surface id |
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167 | * @cmd_space: Pointer to memory area in which the commands should be encoded. |
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168 | */ |
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169 | static void vmw_surface_destroy_encode(uint32_t id, |
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170 | void *cmd_space) |
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171 | { |
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172 | struct vmw_surface_destroy *cmd = (struct vmw_surface_destroy *) |
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173 | cmd_space; |
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174 | |||
175 | cmd->header.id = SVGA_3D_CMD_SURFACE_DESTROY; |
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176 | cmd->header.size = sizeof(cmd->body); |
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177 | cmd->body.sid = id; |
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178 | } |
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179 | |||
180 | /** |
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181 | * vmw_surface_define_encode - Encode a surface_define command. |
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182 | * |
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183 | * @srf: Pointer to a struct vmw_surface object. |
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184 | * @cmd_space: Pointer to memory area in which the commands should be encoded. |
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185 | */ |
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186 | static void vmw_surface_define_encode(const struct vmw_surface *srf, |
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187 | void *cmd_space) |
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188 | { |
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189 | struct vmw_surface_define *cmd = (struct vmw_surface_define *) |
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190 | cmd_space; |
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191 | struct drm_vmw_size *src_size; |
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192 | SVGA3dSize *cmd_size; |
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193 | uint32_t cmd_len; |
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194 | int i; |
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195 | |||
196 | cmd_len = sizeof(cmd->body) + srf->num_sizes * sizeof(SVGA3dSize); |
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197 | |||
198 | cmd->header.id = SVGA_3D_CMD_SURFACE_DEFINE; |
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199 | cmd->header.size = cmd_len; |
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200 | cmd->body.sid = srf->res.id; |
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201 | cmd->body.surfaceFlags = srf->flags; |
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202 | cmd->body.format = cpu_to_le32(srf->format); |
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203 | for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) |
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204 | cmd->body.face[i].numMipLevels = srf->mip_levels[i]; |
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205 | |||
206 | cmd += 1; |
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207 | cmd_size = (SVGA3dSize *) cmd; |
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208 | src_size = srf->sizes; |
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209 | |||
210 | for (i = 0; i < srf->num_sizes; ++i, cmd_size++, src_size++) { |
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211 | cmd_size->width = src_size->width; |
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212 | cmd_size->height = src_size->height; |
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213 | cmd_size->depth = src_size->depth; |
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214 | } |
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215 | } |
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216 | |||
217 | /** |
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218 | * vmw_surface_dma_encode - Encode a surface_dma command. |
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219 | * |
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220 | * @srf: Pointer to a struct vmw_surface object. |
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221 | * @cmd_space: Pointer to memory area in which the commands should be encoded. |
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222 | * @ptr: Pointer to an SVGAGuestPtr indicating where the surface contents |
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223 | * should be placed or read from. |
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224 | * @to_surface: Boolean whether to DMA to the surface or from the surface. |
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225 | */ |
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226 | static void vmw_surface_dma_encode(struct vmw_surface *srf, |
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227 | void *cmd_space, |
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228 | const SVGAGuestPtr *ptr, |
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229 | bool to_surface) |
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230 | { |
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231 | uint32_t i; |
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232 | struct vmw_surface_dma *cmd = (struct vmw_surface_dma *)cmd_space; |
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233 | const struct svga3d_surface_desc *desc = |
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234 | svga3dsurface_get_desc(srf->format); |
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235 | |||
236 | for (i = 0; i < srf->num_sizes; ++i) { |
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237 | SVGA3dCmdHeader *header = &cmd->header; |
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238 | SVGA3dCmdSurfaceDMA *body = &cmd->body; |
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239 | SVGA3dCopyBox *cb = &cmd->cb; |
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240 | SVGA3dCmdSurfaceDMASuffix *suffix = &cmd->suffix; |
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241 | const struct vmw_surface_offset *cur_offset = &srf->offsets[i]; |
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242 | const struct drm_vmw_size *cur_size = &srf->sizes[i]; |
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243 | |||
244 | header->id = SVGA_3D_CMD_SURFACE_DMA; |
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245 | header->size = sizeof(*body) + sizeof(*cb) + sizeof(*suffix); |
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246 | |||
247 | body->guest.ptr = *ptr; |
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248 | body->guest.ptr.offset += cur_offset->bo_offset; |
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249 | body->guest.pitch = svga3dsurface_calculate_pitch(desc, |
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250 | cur_size); |
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251 | body->host.sid = srf->res.id; |
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252 | body->host.face = cur_offset->face; |
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253 | body->host.mipmap = cur_offset->mip; |
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254 | body->transfer = ((to_surface) ? SVGA3D_WRITE_HOST_VRAM : |
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255 | SVGA3D_READ_HOST_VRAM); |
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256 | cb->x = 0; |
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257 | cb->y = 0; |
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258 | cb->z = 0; |
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259 | cb->srcx = 0; |
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260 | cb->srcy = 0; |
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261 | cb->srcz = 0; |
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262 | cb->w = cur_size->width; |
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263 | cb->h = cur_size->height; |
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264 | cb->d = cur_size->depth; |
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265 | |||
266 | suffix->suffixSize = sizeof(*suffix); |
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267 | suffix->maximumOffset = |
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268 | svga3dsurface_get_image_buffer_size(desc, cur_size, |
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269 | body->guest.pitch); |
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270 | suffix->flags.discard = 0; |
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271 | suffix->flags.unsynchronized = 0; |
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272 | suffix->flags.reserved = 0; |
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273 | ++cmd; |
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274 | } |
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275 | }; |
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276 | |||
277 | |||
278 | /** |
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279 | * vmw_hw_surface_destroy - destroy a Device surface |
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280 | * |
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281 | * @res: Pointer to a struct vmw_resource embedded in a struct |
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282 | * vmw_surface. |
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283 | * |
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284 | * Destroys a the device surface associated with a struct vmw_surface if |
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285 | * any, and adjusts accounting and resource count accordingly. |
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286 | */ |
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287 | static void vmw_hw_surface_destroy(struct vmw_resource *res) |
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288 | { |
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289 | |||
290 | struct vmw_private *dev_priv = res->dev_priv; |
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291 | struct vmw_surface *srf; |
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292 | void *cmd; |
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293 | |||
294 | if (res->id != -1) { |
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295 | |||
296 | cmd = vmw_fifo_reserve(dev_priv, vmw_surface_destroy_size()); |
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297 | if (unlikely(cmd == NULL)) { |
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298 | DRM_ERROR("Failed reserving FIFO space for surface " |
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299 | "destruction.\n"); |
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300 | return; |
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301 | } |
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302 | |||
303 | vmw_surface_destroy_encode(res->id, cmd); |
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304 | vmw_fifo_commit(dev_priv, vmw_surface_destroy_size()); |
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305 | |||
306 | /* |
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307 | * used_memory_size_atomic, or separate lock |
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308 | * to avoid taking dev_priv::cmdbuf_mutex in |
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309 | * the destroy path. |
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310 | */ |
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311 | |||
312 | mutex_lock(&dev_priv->cmdbuf_mutex); |
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313 | srf = vmw_res_to_srf(res); |
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314 | dev_priv->used_memory_size -= res->backup_size; |
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315 | mutex_unlock(&dev_priv->cmdbuf_mutex); |
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316 | } |
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317 | vmw_3d_resource_dec(dev_priv, false); |
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318 | } |
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319 | |||
320 | /** |
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321 | * vmw_legacy_srf_create - Create a device surface as part of the |
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322 | * resource validation process. |
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323 | * |
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324 | * @res: Pointer to a struct vmw_surface. |
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325 | * |
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326 | * If the surface doesn't have a hw id. |
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327 | * |
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328 | * Returns -EBUSY if there wasn't sufficient device resources to |
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329 | * complete the validation. Retry after freeing up resources. |
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330 | * |
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331 | * May return other errors if the kernel is out of guest resources. |
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332 | */ |
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333 | static int vmw_legacy_srf_create(struct vmw_resource *res) |
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334 | { |
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335 | struct vmw_private *dev_priv = res->dev_priv; |
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336 | struct vmw_surface *srf; |
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337 | uint32_t submit_size; |
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338 | uint8_t *cmd; |
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339 | int ret; |
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340 | |||
341 | if (likely(res->id != -1)) |
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342 | return 0; |
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343 | |||
344 | srf = vmw_res_to_srf(res); |
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345 | if (unlikely(dev_priv->used_memory_size + res->backup_size >= |
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346 | dev_priv->memory_size)) |
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347 | return -EBUSY; |
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348 | |||
349 | /* |
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350 | * Alloc id for the resource. |
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351 | */ |
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352 | |||
353 | ret = vmw_resource_alloc_id(res); |
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354 | if (unlikely(ret != 0)) { |
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355 | DRM_ERROR("Failed to allocate a surface id.\n"); |
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356 | goto out_no_id; |
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357 | } |
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358 | |||
359 | if (unlikely(res->id >= SVGA3D_MAX_SURFACE_IDS)) { |
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360 | ret = -EBUSY; |
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361 | goto out_no_fifo; |
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362 | } |
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363 | |||
364 | /* |
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365 | * Encode surface define- commands. |
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366 | */ |
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367 | |||
368 | submit_size = vmw_surface_define_size(srf); |
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369 | cmd = vmw_fifo_reserve(dev_priv, submit_size); |
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370 | if (unlikely(cmd == NULL)) { |
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371 | DRM_ERROR("Failed reserving FIFO space for surface " |
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372 | "creation.\n"); |
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373 | ret = -ENOMEM; |
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374 | goto out_no_fifo; |
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375 | } |
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376 | |||
377 | vmw_surface_define_encode(srf, cmd); |
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378 | vmw_fifo_commit(dev_priv, submit_size); |
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379 | /* |
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380 | * Surface memory usage accounting. |
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381 | */ |
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382 | |||
383 | dev_priv->used_memory_size += res->backup_size; |
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384 | return 0; |
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385 | |||
386 | out_no_fifo: |
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387 | vmw_resource_release_id(res); |
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388 | out_no_id: |
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389 | return ret; |
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390 | } |
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391 | |||
392 | /** |
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393 | * vmw_legacy_srf_dma - Copy backup data to or from a legacy surface. |
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394 | * |
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395 | * @res: Pointer to a struct vmw_res embedded in a struct |
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396 | * vmw_surface. |
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397 | * @val_buf: Pointer to a struct ttm_validate_buffer containing |
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398 | * information about the backup buffer. |
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399 | * @bind: Boolean wether to DMA to the surface. |
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400 | * |
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401 | * Transfer backup data to or from a legacy surface as part of the |
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402 | * validation process. |
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403 | * May return other errors if the kernel is out of guest resources. |
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404 | * The backup buffer will be fenced or idle upon successful completion, |
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405 | * and if the surface needs persistent backup storage, the backup buffer |
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406 | * will also be returned reserved iff @bind is true. |
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407 | */ |
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408 | static int vmw_legacy_srf_dma(struct vmw_resource *res, |
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409 | struct ttm_validate_buffer *val_buf, |
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410 | bool bind) |
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411 | { |
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412 | SVGAGuestPtr ptr; |
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413 | struct vmw_fence_obj *fence; |
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414 | uint32_t submit_size; |
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415 | struct vmw_surface *srf = vmw_res_to_srf(res); |
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416 | uint8_t *cmd; |
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417 | struct vmw_private *dev_priv = res->dev_priv; |
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418 | |||
419 | BUG_ON(val_buf->bo == NULL); |
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420 | |||
421 | submit_size = vmw_surface_dma_size(srf); |
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422 | cmd = vmw_fifo_reserve(dev_priv, submit_size); |
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423 | if (unlikely(cmd == NULL)) { |
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424 | DRM_ERROR("Failed reserving FIFO space for surface " |
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425 | "DMA.\n"); |
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426 | return -ENOMEM; |
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427 | } |
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428 | vmw_bo_get_guest_ptr(val_buf->bo, &ptr); |
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429 | vmw_surface_dma_encode(srf, cmd, &ptr, bind); |
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430 | |||
431 | vmw_fifo_commit(dev_priv, submit_size); |
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432 | |||
433 | /* |
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434 | * Create a fence object and fence the backup buffer. |
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435 | */ |
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436 | |||
437 | (void) vmw_execbuf_fence_commands(NULL, dev_priv, |
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438 | &fence, NULL); |
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439 | |||
440 | vmw_fence_single_bo(val_buf->bo, fence); |
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441 | |||
442 | if (likely(fence != NULL)) |
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443 | vmw_fence_obj_unreference(&fence); |
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444 | |||
445 | return 0; |
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446 | } |
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447 | |||
448 | /** |
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449 | * vmw_legacy_srf_bind - Perform a legacy surface bind as part of the |
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450 | * surface validation process. |
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451 | * |
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452 | * @res: Pointer to a struct vmw_res embedded in a struct |
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453 | * vmw_surface. |
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454 | * @val_buf: Pointer to a struct ttm_validate_buffer containing |
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455 | * information about the backup buffer. |
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456 | * |
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457 | * This function will copy backup data to the surface if the |
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458 | * backup buffer is dirty. |
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459 | */ |
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460 | static int vmw_legacy_srf_bind(struct vmw_resource *res, |
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461 | struct ttm_validate_buffer *val_buf) |
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462 | { |
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463 | if (!res->backup_dirty) |
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464 | return 0; |
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465 | |||
466 | return vmw_legacy_srf_dma(res, val_buf, true); |
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467 | } |
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468 | |||
469 | |||
470 | /** |
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471 | * vmw_legacy_srf_unbind - Perform a legacy surface unbind as part of the |
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472 | * surface eviction process. |
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473 | * |
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474 | * @res: Pointer to a struct vmw_res embedded in a struct |
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475 | * vmw_surface. |
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476 | * @val_buf: Pointer to a struct ttm_validate_buffer containing |
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477 | * information about the backup buffer. |
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478 | * |
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479 | * This function will copy backup data from the surface. |
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480 | */ |
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481 | static int vmw_legacy_srf_unbind(struct vmw_resource *res, |
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482 | bool readback, |
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483 | struct ttm_validate_buffer *val_buf) |
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484 | { |
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485 | if (unlikely(readback)) |
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486 | return vmw_legacy_srf_dma(res, val_buf, false); |
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487 | return 0; |
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488 | } |
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489 | |||
490 | /** |
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491 | * vmw_legacy_srf_destroy - Destroy a device surface as part of a |
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492 | * resource eviction process. |
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493 | * |
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494 | * @res: Pointer to a struct vmw_res embedded in a struct |
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495 | * vmw_surface. |
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496 | */ |
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497 | static int vmw_legacy_srf_destroy(struct vmw_resource *res) |
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498 | { |
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499 | struct vmw_private *dev_priv = res->dev_priv; |
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500 | uint32_t submit_size; |
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501 | uint8_t *cmd; |
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502 | |||
503 | BUG_ON(res->id == -1); |
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504 | |||
505 | /* |
||
506 | * Encode the dma- and surface destroy commands. |
||
507 | */ |
||
508 | |||
509 | submit_size = vmw_surface_destroy_size(); |
||
510 | cmd = vmw_fifo_reserve(dev_priv, submit_size); |
||
511 | if (unlikely(cmd == NULL)) { |
||
512 | DRM_ERROR("Failed reserving FIFO space for surface " |
||
513 | "eviction.\n"); |
||
514 | return -ENOMEM; |
||
515 | } |
||
516 | |||
517 | vmw_surface_destroy_encode(res->id, cmd); |
||
518 | vmw_fifo_commit(dev_priv, submit_size); |
||
519 | |||
520 | /* |
||
521 | * Surface memory usage accounting. |
||
522 | */ |
||
523 | |||
524 | dev_priv->used_memory_size -= res->backup_size; |
||
525 | |||
526 | /* |
||
527 | * Release the surface ID. |
||
528 | */ |
||
529 | |||
530 | vmw_resource_release_id(res); |
||
531 | |||
532 | return 0; |
||
533 | } |
||
534 | |||
535 | |||
536 | /** |
||
537 | * vmw_surface_init - initialize a struct vmw_surface |
||
538 | * |
||
539 | * @dev_priv: Pointer to a device private struct. |
||
540 | * @srf: Pointer to the struct vmw_surface to initialize. |
||
541 | * @res_free: Pointer to a resource destructor used to free |
||
542 | * the object. |
||
543 | */ |
||
544 | static int vmw_surface_init(struct vmw_private *dev_priv, |
||
545 | struct vmw_surface *srf, |
||
546 | void (*res_free) (struct vmw_resource *res)) |
||
547 | { |
||
548 | int ret; |
||
549 | struct vmw_resource *res = &srf->res; |
||
550 | |||
551 | BUG_ON(res_free == NULL); |
||
552 | (void) vmw_3d_resource_inc(dev_priv, false); |
||
553 | ret = vmw_resource_init(dev_priv, res, true, res_free, |
||
554 | &vmw_legacy_surface_func); |
||
555 | |||
556 | if (unlikely(ret != 0)) { |
||
557 | vmw_3d_resource_dec(dev_priv, false); |
||
558 | res_free(res); |
||
559 | return ret; |
||
560 | } |
||
561 | |||
562 | /* |
||
563 | * The surface won't be visible to hardware until a |
||
564 | * surface validate. |
||
565 | */ |
||
566 | |||
567 | vmw_resource_activate(res, vmw_hw_surface_destroy); |
||
568 | return ret; |
||
569 | } |
||
570 | |||
571 | /** |
||
572 | * vmw_user_surface_base_to_res - TTM base object to resource converter for |
||
573 | * user visible surfaces |
||
574 | * |
||
575 | * @base: Pointer to a TTM base object |
||
576 | * |
||
577 | * Returns the struct vmw_resource embedded in a struct vmw_surface |
||
578 | * for the user-visible object identified by the TTM base object @base. |
||
579 | */ |
||
580 | static struct vmw_resource * |
||
581 | vmw_user_surface_base_to_res(struct ttm_base_object *base) |
||
582 | { |
||
583 | return &(container_of(base, struct vmw_user_surface, base)->srf.res); |
||
584 | } |
||
585 | |||
586 | /** |
||
587 | * vmw_user_surface_free - User visible surface resource destructor |
||
588 | * |
||
589 | * @res: A struct vmw_resource embedded in a struct vmw_surface. |
||
590 | */ |
||
591 | static void vmw_user_surface_free(struct vmw_resource *res) |
||
592 | { |
||
593 | struct vmw_surface *srf = vmw_res_to_srf(res); |
||
594 | struct vmw_user_surface *user_srf = |
||
595 | container_of(srf, struct vmw_user_surface, srf); |
||
596 | struct vmw_private *dev_priv = srf->res.dev_priv; |
||
597 | uint32_t size = user_srf->size; |
||
598 | |||
599 | kfree(srf->offsets); |
||
600 | kfree(srf->sizes); |
||
601 | kfree(srf->snooper.image); |
||
602 | // ttm_base_object_kfree(user_srf, base); |
||
603 | ttm_mem_global_free(vmw_mem_glob(dev_priv), size); |
||
604 | } |
||
605 | |||
606 | /** |
||
607 | * vmw_user_surface_free - User visible surface TTM base object destructor |
||
608 | * |
||
609 | * @p_base: Pointer to a pointer to a TTM base object |
||
610 | * embedded in a struct vmw_user_surface. |
||
611 | * |
||
612 | * Drops the base object's reference on its resource, and the |
||
613 | * pointer pointed to by *p_base is set to NULL. |
||
614 | */ |
||
615 | static void vmw_user_surface_base_release(struct ttm_base_object **p_base) |
||
616 | { |
||
617 | struct ttm_base_object *base = *p_base; |
||
618 | struct vmw_user_surface *user_srf = |
||
619 | container_of(base, struct vmw_user_surface, base); |
||
620 | struct vmw_resource *res = &user_srf->srf.res; |
||
621 | |||
622 | *p_base = NULL; |
||
623 | vmw_resource_unreference(&res); |
||
624 | } |
||
625 | |||
626 | #if 0 |
||
627 | /** |
||
628 | * vmw_user_surface_define_ioctl - Ioctl function implementing |
||
629 | * the user surface define functionality. |
||
630 | * |
||
631 | * @dev: Pointer to a struct drm_device. |
||
632 | * @data: Pointer to data copied from / to user-space. |
||
633 | * @file_priv: Pointer to a drm file private structure. |
||
634 | */ |
||
635 | int vmw_surface_define_ioctl(struct drm_device *dev, void *data, |
||
636 | struct drm_file *file_priv) |
||
637 | { |
||
638 | struct vmw_private *dev_priv = vmw_priv(dev); |
||
639 | struct vmw_user_surface *user_srf; |
||
640 | struct vmw_surface *srf; |
||
641 | struct vmw_resource *res; |
||
642 | struct vmw_resource *tmp; |
||
643 | union drm_vmw_surface_create_arg *arg = |
||
644 | (union drm_vmw_surface_create_arg *)data; |
||
645 | struct drm_vmw_surface_create_req *req = &arg->req; |
||
646 | struct drm_vmw_surface_arg *rep = &arg->rep; |
||
647 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
||
648 | struct drm_vmw_size __user *user_sizes; |
||
649 | int ret; |
||
650 | int i, j; |
||
651 | uint32_t cur_bo_offset; |
||
652 | struct drm_vmw_size *cur_size; |
||
653 | struct vmw_surface_offset *cur_offset; |
||
654 | uint32_t num_sizes; |
||
655 | uint32_t size; |
||
656 | struct vmw_master *vmaster = vmw_master(file_priv->master); |
||
657 | const struct svga3d_surface_desc *desc; |
||
658 | |||
659 | if (unlikely(vmw_user_surface_size == 0)) |
||
660 | vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) + |
||
661 | 128; |
||
662 | |||
663 | num_sizes = 0; |
||
664 | for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) |
||
665 | num_sizes += req->mip_levels[i]; |
||
666 | |||
667 | if (num_sizes > DRM_VMW_MAX_SURFACE_FACES * |
||
668 | DRM_VMW_MAX_MIP_LEVELS) |
||
669 | return -EINVAL; |
||
670 | |||
671 | size = vmw_user_surface_size + 128 + |
||
672 | ttm_round_pot(num_sizes * sizeof(struct drm_vmw_size)) + |
||
673 | ttm_round_pot(num_sizes * sizeof(struct vmw_surface_offset)); |
||
674 | |||
675 | |||
676 | desc = svga3dsurface_get_desc(req->format); |
||
677 | if (unlikely(desc->block_desc == SVGA3DBLOCKDESC_NONE)) { |
||
678 | DRM_ERROR("Invalid surface format for surface creation.\n"); |
||
679 | return -EINVAL; |
||
680 | } |
||
681 | |||
682 | ret = ttm_read_lock(&vmaster->lock, true); |
||
683 | if (unlikely(ret != 0)) |
||
684 | return ret; |
||
685 | |||
686 | ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), |
||
687 | size, false, true); |
||
688 | if (unlikely(ret != 0)) { |
||
689 | if (ret != -ERESTARTSYS) |
||
690 | DRM_ERROR("Out of graphics memory for surface" |
||
691 | " creation.\n"); |
||
692 | goto out_unlock; |
||
693 | } |
||
694 | |||
695 | user_srf = kzalloc(sizeof(*user_srf), GFP_KERNEL); |
||
696 | if (unlikely(user_srf == NULL)) { |
||
697 | ret = -ENOMEM; |
||
698 | goto out_no_user_srf; |
||
699 | } |
||
700 | |||
701 | srf = &user_srf->srf; |
||
702 | res = &srf->res; |
||
703 | |||
704 | srf->flags = req->flags; |
||
705 | srf->format = req->format; |
||
706 | srf->scanout = req->scanout; |
||
707 | |||
708 | memcpy(srf->mip_levels, req->mip_levels, sizeof(srf->mip_levels)); |
||
709 | srf->num_sizes = num_sizes; |
||
710 | user_srf->size = size; |
||
711 | |||
712 | srf->sizes = kmalloc(srf->num_sizes * sizeof(*srf->sizes), GFP_KERNEL); |
||
713 | if (unlikely(srf->sizes == NULL)) { |
||
714 | ret = -ENOMEM; |
||
715 | goto out_no_sizes; |
||
716 | } |
||
717 | srf->offsets = kmalloc(srf->num_sizes * sizeof(*srf->offsets), |
||
718 | GFP_KERNEL); |
||
719 | if (unlikely(srf->sizes == NULL)) { |
||
720 | ret = -ENOMEM; |
||
721 | goto out_no_offsets; |
||
722 | } |
||
723 | |||
724 | user_sizes = (struct drm_vmw_size __user *)(unsigned long) |
||
725 | req->size_addr; |
||
726 | |||
727 | ret = copy_from_user(srf->sizes, user_sizes, |
||
728 | srf->num_sizes * sizeof(*srf->sizes)); |
||
729 | if (unlikely(ret != 0)) { |
||
730 | ret = -EFAULT; |
||
731 | goto out_no_copy; |
||
732 | } |
||
733 | |||
734 | srf->base_size = *srf->sizes; |
||
735 | srf->autogen_filter = SVGA3D_TEX_FILTER_NONE; |
||
736 | srf->multisample_count = 1; |
||
737 | |||
738 | cur_bo_offset = 0; |
||
739 | cur_offset = srf->offsets; |
||
740 | cur_size = srf->sizes; |
||
741 | |||
742 | for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) { |
||
743 | for (j = 0; j < srf->mip_levels[i]; ++j) { |
||
744 | uint32_t stride = svga3dsurface_calculate_pitch |
||
745 | (desc, cur_size); |
||
746 | |||
747 | cur_offset->face = i; |
||
748 | cur_offset->mip = j; |
||
749 | cur_offset->bo_offset = cur_bo_offset; |
||
750 | cur_bo_offset += svga3dsurface_get_image_buffer_size |
||
751 | (desc, cur_size, stride); |
||
752 | ++cur_offset; |
||
753 | ++cur_size; |
||
754 | } |
||
755 | } |
||
756 | res->backup_size = cur_bo_offset; |
||
757 | if (srf->scanout && |
||
758 | srf->num_sizes == 1 && |
||
759 | srf->sizes[0].width == 64 && |
||
760 | srf->sizes[0].height == 64 && |
||
761 | srf->format == SVGA3D_A8R8G8B8) { |
||
762 | |||
763 | srf->snooper.image = kmalloc(64 * 64 * 4, GFP_KERNEL); |
||
764 | /* clear the image */ |
||
765 | if (srf->snooper.image) { |
||
766 | memset(srf->snooper.image, 0x00, 64 * 64 * 4); |
||
767 | } else { |
||
768 | DRM_ERROR("Failed to allocate cursor_image\n"); |
||
769 | ret = -ENOMEM; |
||
770 | goto out_no_copy; |
||
771 | } |
||
772 | } else { |
||
773 | srf->snooper.image = NULL; |
||
774 | } |
||
775 | srf->snooper.crtc = NULL; |
||
776 | |||
777 | user_srf->base.shareable = false; |
||
778 | user_srf->base.tfile = NULL; |
||
779 | |||
780 | /** |
||
781 | * From this point, the generic resource management functions |
||
782 | * destroy the object on failure. |
||
783 | */ |
||
784 | |||
785 | ret = vmw_surface_init(dev_priv, srf, vmw_user_surface_free); |
||
786 | if (unlikely(ret != 0)) |
||
787 | goto out_unlock; |
||
788 | |||
789 | tmp = vmw_resource_reference(&srf->res); |
||
790 | ret = ttm_base_object_init(tfile, &user_srf->base, |
||
791 | req->shareable, VMW_RES_SURFACE, |
||
792 | &vmw_user_surface_base_release, NULL); |
||
793 | |||
794 | if (unlikely(ret != 0)) { |
||
795 | vmw_resource_unreference(&tmp); |
||
796 | vmw_resource_unreference(&res); |
||
797 | goto out_unlock; |
||
798 | } |
||
799 | |||
800 | rep->sid = user_srf->base.hash.key; |
||
801 | vmw_resource_unreference(&res); |
||
802 | |||
803 | ttm_read_unlock(&vmaster->lock); |
||
804 | return 0; |
||
805 | out_no_copy: |
||
806 | kfree(srf->offsets); |
||
807 | out_no_offsets: |
||
808 | kfree(srf->sizes); |
||
809 | out_no_sizes: |
||
810 | ttm_base_object_kfree(user_srf, base); |
||
811 | out_no_user_srf: |
||
812 | ttm_mem_global_free(vmw_mem_glob(dev_priv), size); |
||
813 | out_unlock: |
||
814 | ttm_read_unlock(&vmaster->lock); |
||
815 | return ret; |
||
816 | } |
||
817 | |||
818 | /** |
||
819 | * vmw_user_surface_define_ioctl - Ioctl function implementing |
||
820 | * the user surface reference functionality. |
||
821 | * |
||
822 | * @dev: Pointer to a struct drm_device. |
||
823 | * @data: Pointer to data copied from / to user-space. |
||
824 | * @file_priv: Pointer to a drm file private structure. |
||
825 | */ |
||
826 | int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, |
||
827 | struct drm_file *file_priv) |
||
828 | { |
||
829 | union drm_vmw_surface_reference_arg *arg = |
||
830 | (union drm_vmw_surface_reference_arg *)data; |
||
831 | struct drm_vmw_surface_arg *req = &arg->req; |
||
832 | struct drm_vmw_surface_create_req *rep = &arg->rep; |
||
833 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
||
834 | struct vmw_surface *srf; |
||
835 | struct vmw_user_surface *user_srf; |
||
836 | struct drm_vmw_size __user *user_sizes; |
||
837 | struct ttm_base_object *base; |
||
838 | int ret = -EINVAL; |
||
839 | |||
840 | base = ttm_base_object_lookup(tfile, req->sid); |
||
841 | if (unlikely(base == NULL)) { |
||
842 | DRM_ERROR("Could not find surface to reference.\n"); |
||
843 | return -EINVAL; |
||
844 | } |
||
845 | |||
846 | if (unlikely(base->object_type != VMW_RES_SURFACE)) |
||
847 | goto out_bad_resource; |
||
848 | |||
849 | user_srf = container_of(base, struct vmw_user_surface, base); |
||
850 | srf = &user_srf->srf; |
||
851 | |||
852 | ret = ttm_ref_object_add(tfile, &user_srf->base, TTM_REF_USAGE, NULL); |
||
853 | if (unlikely(ret != 0)) { |
||
854 | DRM_ERROR("Could not add a reference to a surface.\n"); |
||
855 | goto out_no_reference; |
||
856 | } |
||
857 | |||
858 | rep->flags = srf->flags; |
||
859 | rep->format = srf->format; |
||
860 | memcpy(rep->mip_levels, srf->mip_levels, sizeof(srf->mip_levels)); |
||
861 | user_sizes = (struct drm_vmw_size __user *)(unsigned long) |
||
862 | rep->size_addr; |
||
863 | |||
864 | if (user_sizes) |
||
865 | ret = copy_to_user(user_sizes, srf->sizes, |
||
866 | srf->num_sizes * sizeof(*srf->sizes)); |
||
867 | if (unlikely(ret != 0)) { |
||
868 | DRM_ERROR("copy_to_user failed %p %u\n", |
||
869 | user_sizes, srf->num_sizes); |
||
870 | ret = -EFAULT; |
||
871 | } |
||
872 | out_bad_resource: |
||
873 | out_no_reference: |
||
874 | ttm_base_object_unref(&base); |
||
875 | |||
876 | return ret; |
||
877 | } |
||
878 | |||
879 | #endif>>>>>> |