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Rev | Author | Line No. | Line |
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4075 | Serge | 1 | /************************************************************************** |
2 | * |
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6296 | serge | 3 | * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA |
4075 | Serge | 4 | * All Rights Reserved. |
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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6296 | serge | 30 | #include "vmwgfx_so.h" |
31 | #include "vmwgfx_binding.h" |
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4075 | Serge | 32 | #include |
6296 | serge | 33 | #include "device_include/svga3d_surfacedefs.h" |
4075 | Serge | 34 | |
6296 | serge | 35 | |
4075 | Serge | 36 | /** |
37 | * struct vmw_user_surface - User-space visible surface resource |
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38 | * |
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39 | * @base: The TTM base object handling user-space visibility. |
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40 | * @srf: The surface metadata. |
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41 | * @size: TTM accounting size for the surface. |
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6296 | serge | 42 | * @master: master of the creating client. Used for security check. |
4075 | Serge | 43 | */ |
44 | struct vmw_user_surface { |
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4569 | Serge | 45 | struct ttm_prime_object prime; |
4075 | Serge | 46 | struct vmw_surface srf; |
47 | uint32_t size; |
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6296 | serge | 48 | struct drm_master *master; |
49 | struct ttm_base_object *backup_base; |
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4075 | Serge | 50 | }; |
51 | |||
52 | /** |
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53 | * struct vmw_surface_offset - Backing store mip level offset info |
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54 | * |
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55 | * @face: Surface face. |
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56 | * @mip: Mip level. |
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57 | * @bo_offset: Offset into backing store of this mip level. |
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58 | * |
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59 | */ |
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60 | struct vmw_surface_offset { |
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61 | uint32_t face; |
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62 | uint32_t mip; |
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63 | uint32_t bo_offset; |
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64 | }; |
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65 | |||
66 | static void vmw_user_surface_free(struct vmw_resource *res); |
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67 | static struct vmw_resource * |
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68 | vmw_user_surface_base_to_res(struct ttm_base_object *base); |
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69 | static int vmw_legacy_srf_bind(struct vmw_resource *res, |
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70 | struct ttm_validate_buffer *val_buf); |
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71 | static int vmw_legacy_srf_unbind(struct vmw_resource *res, |
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72 | bool readback, |
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73 | struct ttm_validate_buffer *val_buf); |
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74 | static int vmw_legacy_srf_create(struct vmw_resource *res); |
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75 | static int vmw_legacy_srf_destroy(struct vmw_resource *res); |
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4569 | Serge | 76 | static int vmw_gb_surface_create(struct vmw_resource *res); |
77 | static int vmw_gb_surface_bind(struct vmw_resource *res, |
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78 | struct ttm_validate_buffer *val_buf); |
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79 | static int vmw_gb_surface_unbind(struct vmw_resource *res, |
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80 | bool readback, |
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81 | struct ttm_validate_buffer *val_buf); |
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82 | static int vmw_gb_surface_destroy(struct vmw_resource *res); |
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4075 | Serge | 83 | |
4569 | Serge | 84 | |
4075 | Serge | 85 | static const struct vmw_user_resource_conv user_surface_conv = { |
86 | .object_type = VMW_RES_SURFACE, |
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87 | .base_obj_to_res = vmw_user_surface_base_to_res, |
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88 | .res_free = vmw_user_surface_free |
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89 | }; |
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90 | |||
91 | const struct vmw_user_resource_conv *user_surface_converter = |
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92 | &user_surface_conv; |
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93 | |||
94 | |||
95 | static uint64_t vmw_user_surface_size; |
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96 | |||
97 | static const struct vmw_res_func vmw_legacy_surface_func = { |
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98 | .res_type = vmw_res_surface, |
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99 | .needs_backup = false, |
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100 | .may_evict = true, |
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101 | .type_name = "legacy surfaces", |
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102 | .backup_placement = &vmw_srf_placement, |
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103 | .create = &vmw_legacy_srf_create, |
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104 | .destroy = &vmw_legacy_srf_destroy, |
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105 | .bind = &vmw_legacy_srf_bind, |
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106 | .unbind = &vmw_legacy_srf_unbind |
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107 | }; |
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108 | |||
4569 | Serge | 109 | static const struct vmw_res_func vmw_gb_surface_func = { |
110 | .res_type = vmw_res_surface, |
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111 | .needs_backup = true, |
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112 | .may_evict = true, |
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113 | .type_name = "guest backed surfaces", |
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114 | .backup_placement = &vmw_mob_placement, |
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115 | .create = vmw_gb_surface_create, |
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116 | .destroy = vmw_gb_surface_destroy, |
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117 | .bind = vmw_gb_surface_bind, |
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118 | .unbind = vmw_gb_surface_unbind |
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119 | }; |
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120 | |||
4075 | Serge | 121 | /** |
122 | * struct vmw_surface_dma - SVGA3D DMA command |
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123 | */ |
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124 | struct vmw_surface_dma { |
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125 | SVGA3dCmdHeader header; |
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126 | SVGA3dCmdSurfaceDMA body; |
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127 | SVGA3dCopyBox cb; |
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128 | SVGA3dCmdSurfaceDMASuffix suffix; |
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129 | }; |
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130 | |||
131 | /** |
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132 | * struct vmw_surface_define - SVGA3D Surface Define command |
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133 | */ |
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134 | struct vmw_surface_define { |
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135 | SVGA3dCmdHeader header; |
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136 | SVGA3dCmdDefineSurface body; |
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137 | }; |
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138 | |||
139 | /** |
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140 | * struct vmw_surface_destroy - SVGA3D Surface Destroy command |
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141 | */ |
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142 | struct vmw_surface_destroy { |
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143 | SVGA3dCmdHeader header; |
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144 | SVGA3dCmdDestroySurface body; |
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145 | }; |
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146 | |||
147 | |||
148 | /** |
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149 | * vmw_surface_dma_size - Compute fifo size for a dma command. |
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150 | * |
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151 | * @srf: Pointer to a struct vmw_surface |
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152 | * |
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153 | * Computes the required size for a surface dma command for backup or |
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154 | * restoration of the surface represented by @srf. |
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155 | */ |
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156 | static inline uint32_t vmw_surface_dma_size(const struct vmw_surface *srf) |
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157 | { |
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158 | return srf->num_sizes * sizeof(struct vmw_surface_dma); |
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159 | } |
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160 | |||
161 | |||
162 | /** |
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163 | * vmw_surface_define_size - Compute fifo size for a surface define command. |
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164 | * |
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165 | * @srf: Pointer to a struct vmw_surface |
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166 | * |
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167 | * Computes the required size for a surface define command for the definition |
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168 | * of the surface represented by @srf. |
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169 | */ |
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170 | static inline uint32_t vmw_surface_define_size(const struct vmw_surface *srf) |
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171 | { |
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172 | return sizeof(struct vmw_surface_define) + srf->num_sizes * |
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173 | sizeof(SVGA3dSize); |
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174 | } |
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175 | |||
176 | |||
177 | /** |
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178 | * vmw_surface_destroy_size - Compute fifo size for a surface destroy command. |
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179 | * |
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180 | * Computes the required size for a surface destroy command for the destruction |
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181 | * of a hw surface. |
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182 | */ |
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183 | static inline uint32_t vmw_surface_destroy_size(void) |
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184 | { |
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185 | return sizeof(struct vmw_surface_destroy); |
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186 | } |
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187 | |||
188 | /** |
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189 | * vmw_surface_destroy_encode - Encode a surface_destroy command. |
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190 | * |
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191 | * @id: The surface id |
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192 | * @cmd_space: Pointer to memory area in which the commands should be encoded. |
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193 | */ |
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194 | static void vmw_surface_destroy_encode(uint32_t id, |
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195 | void *cmd_space) |
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196 | { |
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197 | struct vmw_surface_destroy *cmd = (struct vmw_surface_destroy *) |
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198 | cmd_space; |
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199 | |||
200 | cmd->header.id = SVGA_3D_CMD_SURFACE_DESTROY; |
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201 | cmd->header.size = sizeof(cmd->body); |
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202 | cmd->body.sid = id; |
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203 | } |
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204 | |||
205 | /** |
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206 | * vmw_surface_define_encode - Encode a surface_define command. |
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207 | * |
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208 | * @srf: Pointer to a struct vmw_surface object. |
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209 | * @cmd_space: Pointer to memory area in which the commands should be encoded. |
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210 | */ |
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211 | static void vmw_surface_define_encode(const struct vmw_surface *srf, |
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212 | void *cmd_space) |
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213 | { |
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214 | struct vmw_surface_define *cmd = (struct vmw_surface_define *) |
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215 | cmd_space; |
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216 | struct drm_vmw_size *src_size; |
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217 | SVGA3dSize *cmd_size; |
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218 | uint32_t cmd_len; |
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219 | int i; |
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220 | |||
221 | cmd_len = sizeof(cmd->body) + srf->num_sizes * sizeof(SVGA3dSize); |
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222 | |||
223 | cmd->header.id = SVGA_3D_CMD_SURFACE_DEFINE; |
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224 | cmd->header.size = cmd_len; |
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225 | cmd->body.sid = srf->res.id; |
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226 | cmd->body.surfaceFlags = srf->flags; |
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6296 | serge | 227 | cmd->body.format = srf->format; |
4075 | Serge | 228 | for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) |
229 | cmd->body.face[i].numMipLevels = srf->mip_levels[i]; |
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230 | |||
231 | cmd += 1; |
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232 | cmd_size = (SVGA3dSize *) cmd; |
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233 | src_size = srf->sizes; |
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234 | |||
235 | for (i = 0; i < srf->num_sizes; ++i, cmd_size++, src_size++) { |
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236 | cmd_size->width = src_size->width; |
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237 | cmd_size->height = src_size->height; |
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238 | cmd_size->depth = src_size->depth; |
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239 | } |
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240 | } |
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241 | |||
242 | /** |
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243 | * vmw_surface_dma_encode - Encode a surface_dma command. |
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244 | * |
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245 | * @srf: Pointer to a struct vmw_surface object. |
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246 | * @cmd_space: Pointer to memory area in which the commands should be encoded. |
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247 | * @ptr: Pointer to an SVGAGuestPtr indicating where the surface contents |
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248 | * should be placed or read from. |
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249 | * @to_surface: Boolean whether to DMA to the surface or from the surface. |
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250 | */ |
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251 | static void vmw_surface_dma_encode(struct vmw_surface *srf, |
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252 | void *cmd_space, |
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253 | const SVGAGuestPtr *ptr, |
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254 | bool to_surface) |
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255 | { |
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256 | uint32_t i; |
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257 | struct vmw_surface_dma *cmd = (struct vmw_surface_dma *)cmd_space; |
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258 | const struct svga3d_surface_desc *desc = |
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259 | svga3dsurface_get_desc(srf->format); |
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260 | |||
261 | for (i = 0; i < srf->num_sizes; ++i) { |
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262 | SVGA3dCmdHeader *header = &cmd->header; |
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263 | SVGA3dCmdSurfaceDMA *body = &cmd->body; |
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264 | SVGA3dCopyBox *cb = &cmd->cb; |
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265 | SVGA3dCmdSurfaceDMASuffix *suffix = &cmd->suffix; |
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266 | const struct vmw_surface_offset *cur_offset = &srf->offsets[i]; |
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267 | const struct drm_vmw_size *cur_size = &srf->sizes[i]; |
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268 | |||
269 | header->id = SVGA_3D_CMD_SURFACE_DMA; |
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270 | header->size = sizeof(*body) + sizeof(*cb) + sizeof(*suffix); |
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271 | |||
272 | body->guest.ptr = *ptr; |
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273 | body->guest.ptr.offset += cur_offset->bo_offset; |
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274 | body->guest.pitch = svga3dsurface_calculate_pitch(desc, |
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275 | cur_size); |
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276 | body->host.sid = srf->res.id; |
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277 | body->host.face = cur_offset->face; |
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278 | body->host.mipmap = cur_offset->mip; |
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279 | body->transfer = ((to_surface) ? SVGA3D_WRITE_HOST_VRAM : |
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280 | SVGA3D_READ_HOST_VRAM); |
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281 | cb->x = 0; |
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282 | cb->y = 0; |
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283 | cb->z = 0; |
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284 | cb->srcx = 0; |
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285 | cb->srcy = 0; |
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286 | cb->srcz = 0; |
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287 | cb->w = cur_size->width; |
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288 | cb->h = cur_size->height; |
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289 | cb->d = cur_size->depth; |
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290 | |||
291 | suffix->suffixSize = sizeof(*suffix); |
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292 | suffix->maximumOffset = |
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293 | svga3dsurface_get_image_buffer_size(desc, cur_size, |
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294 | body->guest.pitch); |
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295 | suffix->flags.discard = 0; |
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296 | suffix->flags.unsynchronized = 0; |
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297 | suffix->flags.reserved = 0; |
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298 | ++cmd; |
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299 | } |
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300 | }; |
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301 | |||
302 | |||
303 | /** |
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304 | * vmw_hw_surface_destroy - destroy a Device surface |
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305 | * |
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306 | * @res: Pointer to a struct vmw_resource embedded in a struct |
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307 | * vmw_surface. |
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308 | * |
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309 | * Destroys a the device surface associated with a struct vmw_surface if |
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310 | * any, and adjusts accounting and resource count accordingly. |
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311 | */ |
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312 | static void vmw_hw_surface_destroy(struct vmw_resource *res) |
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313 | { |
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314 | |||
315 | struct vmw_private *dev_priv = res->dev_priv; |
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316 | struct vmw_surface *srf; |
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317 | void *cmd; |
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318 | |||
4569 | Serge | 319 | if (res->func->destroy == vmw_gb_surface_destroy) { |
320 | (void) vmw_gb_surface_destroy(res); |
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321 | return; |
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322 | } |
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323 | |||
4075 | Serge | 324 | if (res->id != -1) { |
325 | |||
326 | cmd = vmw_fifo_reserve(dev_priv, vmw_surface_destroy_size()); |
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327 | if (unlikely(cmd == NULL)) { |
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328 | DRM_ERROR("Failed reserving FIFO space for surface " |
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329 | "destruction.\n"); |
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330 | return; |
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331 | } |
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332 | |||
333 | vmw_surface_destroy_encode(res->id, cmd); |
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334 | vmw_fifo_commit(dev_priv, vmw_surface_destroy_size()); |
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335 | |||
336 | /* |
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337 | * used_memory_size_atomic, or separate lock |
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338 | * to avoid taking dev_priv::cmdbuf_mutex in |
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339 | * the destroy path. |
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340 | */ |
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341 | |||
342 | mutex_lock(&dev_priv->cmdbuf_mutex); |
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343 | srf = vmw_res_to_srf(res); |
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344 | dev_priv->used_memory_size -= res->backup_size; |
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345 | mutex_unlock(&dev_priv->cmdbuf_mutex); |
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346 | } |
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6296 | serge | 347 | vmw_fifo_resource_dec(dev_priv); |
4075 | Serge | 348 | } |
349 | |||
350 | /** |
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351 | * vmw_legacy_srf_create - Create a device surface as part of the |
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352 | * resource validation process. |
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353 | * |
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354 | * @res: Pointer to a struct vmw_surface. |
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355 | * |
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356 | * If the surface doesn't have a hw id. |
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357 | * |
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358 | * Returns -EBUSY if there wasn't sufficient device resources to |
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359 | * complete the validation. Retry after freeing up resources. |
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360 | * |
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361 | * May return other errors if the kernel is out of guest resources. |
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362 | */ |
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363 | static int vmw_legacy_srf_create(struct vmw_resource *res) |
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364 | { |
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365 | struct vmw_private *dev_priv = res->dev_priv; |
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366 | struct vmw_surface *srf; |
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367 | uint32_t submit_size; |
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368 | uint8_t *cmd; |
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369 | int ret; |
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370 | |||
371 | if (likely(res->id != -1)) |
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372 | return 0; |
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373 | |||
374 | srf = vmw_res_to_srf(res); |
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375 | if (unlikely(dev_priv->used_memory_size + res->backup_size >= |
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376 | dev_priv->memory_size)) |
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377 | return -EBUSY; |
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378 | |||
379 | /* |
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380 | * Alloc id for the resource. |
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381 | */ |
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382 | |||
383 | ret = vmw_resource_alloc_id(res); |
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384 | if (unlikely(ret != 0)) { |
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385 | DRM_ERROR("Failed to allocate a surface id.\n"); |
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386 | goto out_no_id; |
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387 | } |
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388 | |||
389 | if (unlikely(res->id >= SVGA3D_MAX_SURFACE_IDS)) { |
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390 | ret = -EBUSY; |
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391 | goto out_no_fifo; |
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392 | } |
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393 | |||
394 | /* |
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395 | * Encode surface define- commands. |
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396 | */ |
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397 | |||
398 | submit_size = vmw_surface_define_size(srf); |
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399 | cmd = vmw_fifo_reserve(dev_priv, submit_size); |
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400 | if (unlikely(cmd == NULL)) { |
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401 | DRM_ERROR("Failed reserving FIFO space for surface " |
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402 | "creation.\n"); |
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403 | ret = -ENOMEM; |
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404 | goto out_no_fifo; |
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405 | } |
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406 | |||
407 | vmw_surface_define_encode(srf, cmd); |
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408 | vmw_fifo_commit(dev_priv, submit_size); |
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409 | /* |
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410 | * Surface memory usage accounting. |
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411 | */ |
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412 | |||
413 | dev_priv->used_memory_size += res->backup_size; |
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414 | return 0; |
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415 | |||
416 | out_no_fifo: |
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417 | vmw_resource_release_id(res); |
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418 | out_no_id: |
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419 | return ret; |
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420 | } |
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421 | |||
422 | /** |
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423 | * vmw_legacy_srf_dma - Copy backup data to or from a legacy surface. |
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424 | * |
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425 | * @res: Pointer to a struct vmw_res embedded in a struct |
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426 | * vmw_surface. |
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427 | * @val_buf: Pointer to a struct ttm_validate_buffer containing |
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428 | * information about the backup buffer. |
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429 | * @bind: Boolean wether to DMA to the surface. |
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430 | * |
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431 | * Transfer backup data to or from a legacy surface as part of the |
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432 | * validation process. |
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433 | * May return other errors if the kernel is out of guest resources. |
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434 | * The backup buffer will be fenced or idle upon successful completion, |
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435 | * and if the surface needs persistent backup storage, the backup buffer |
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436 | * will also be returned reserved iff @bind is true. |
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437 | */ |
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438 | static int vmw_legacy_srf_dma(struct vmw_resource *res, |
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439 | struct ttm_validate_buffer *val_buf, |
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440 | bool bind) |
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441 | { |
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442 | SVGAGuestPtr ptr; |
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443 | struct vmw_fence_obj *fence; |
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444 | uint32_t submit_size; |
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445 | struct vmw_surface *srf = vmw_res_to_srf(res); |
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446 | uint8_t *cmd; |
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447 | struct vmw_private *dev_priv = res->dev_priv; |
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448 | |||
449 | BUG_ON(val_buf->bo == NULL); |
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450 | |||
451 | submit_size = vmw_surface_dma_size(srf); |
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452 | cmd = vmw_fifo_reserve(dev_priv, submit_size); |
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453 | if (unlikely(cmd == NULL)) { |
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454 | DRM_ERROR("Failed reserving FIFO space for surface " |
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455 | "DMA.\n"); |
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456 | return -ENOMEM; |
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457 | } |
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458 | vmw_bo_get_guest_ptr(val_buf->bo, &ptr); |
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459 | vmw_surface_dma_encode(srf, cmd, &ptr, bind); |
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460 | |||
461 | vmw_fifo_commit(dev_priv, submit_size); |
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462 | |||
463 | /* |
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464 | * Create a fence object and fence the backup buffer. |
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465 | */ |
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466 | |||
467 | (void) vmw_execbuf_fence_commands(NULL, dev_priv, |
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468 | &fence, NULL); |
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469 | |||
470 | vmw_fence_single_bo(val_buf->bo, fence); |
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471 | |||
472 | if (likely(fence != NULL)) |
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473 | vmw_fence_obj_unreference(&fence); |
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474 | |||
475 | return 0; |
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476 | } |
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477 | |||
478 | /** |
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479 | * vmw_legacy_srf_bind - Perform a legacy surface bind as part of the |
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480 | * surface validation process. |
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481 | * |
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482 | * @res: Pointer to a struct vmw_res embedded in a struct |
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483 | * vmw_surface. |
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484 | * @val_buf: Pointer to a struct ttm_validate_buffer containing |
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485 | * information about the backup buffer. |
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486 | * |
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487 | * This function will copy backup data to the surface if the |
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488 | * backup buffer is dirty. |
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489 | */ |
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490 | static int vmw_legacy_srf_bind(struct vmw_resource *res, |
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491 | struct ttm_validate_buffer *val_buf) |
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492 | { |
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493 | if (!res->backup_dirty) |
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494 | return 0; |
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495 | |||
496 | return vmw_legacy_srf_dma(res, val_buf, true); |
||
497 | } |
||
498 | |||
499 | |||
500 | /** |
||
501 | * vmw_legacy_srf_unbind - Perform a legacy surface unbind as part of the |
||
502 | * surface eviction process. |
||
503 | * |
||
504 | * @res: Pointer to a struct vmw_res embedded in a struct |
||
505 | * vmw_surface. |
||
506 | * @val_buf: Pointer to a struct ttm_validate_buffer containing |
||
507 | * information about the backup buffer. |
||
508 | * |
||
509 | * This function will copy backup data from the surface. |
||
510 | */ |
||
511 | static int vmw_legacy_srf_unbind(struct vmw_resource *res, |
||
512 | bool readback, |
||
513 | struct ttm_validate_buffer *val_buf) |
||
514 | { |
||
515 | if (unlikely(readback)) |
||
516 | return vmw_legacy_srf_dma(res, val_buf, false); |
||
517 | return 0; |
||
518 | } |
||
519 | |||
520 | /** |
||
521 | * vmw_legacy_srf_destroy - Destroy a device surface as part of a |
||
522 | * resource eviction process. |
||
523 | * |
||
524 | * @res: Pointer to a struct vmw_res embedded in a struct |
||
525 | * vmw_surface. |
||
526 | */ |
||
527 | static int vmw_legacy_srf_destroy(struct vmw_resource *res) |
||
528 | { |
||
529 | struct vmw_private *dev_priv = res->dev_priv; |
||
530 | uint32_t submit_size; |
||
531 | uint8_t *cmd; |
||
532 | |||
533 | BUG_ON(res->id == -1); |
||
534 | |||
535 | /* |
||
536 | * Encode the dma- and surface destroy commands. |
||
537 | */ |
||
538 | |||
539 | submit_size = vmw_surface_destroy_size(); |
||
540 | cmd = vmw_fifo_reserve(dev_priv, submit_size); |
||
541 | if (unlikely(cmd == NULL)) { |
||
542 | DRM_ERROR("Failed reserving FIFO space for surface " |
||
543 | "eviction.\n"); |
||
544 | return -ENOMEM; |
||
545 | } |
||
546 | |||
547 | vmw_surface_destroy_encode(res->id, cmd); |
||
548 | vmw_fifo_commit(dev_priv, submit_size); |
||
549 | |||
550 | /* |
||
551 | * Surface memory usage accounting. |
||
552 | */ |
||
553 | |||
554 | dev_priv->used_memory_size -= res->backup_size; |
||
555 | |||
556 | /* |
||
557 | * Release the surface ID. |
||
558 | */ |
||
559 | |||
560 | vmw_resource_release_id(res); |
||
561 | |||
562 | return 0; |
||
563 | } |
||
564 | |||
565 | |||
566 | /** |
||
567 | * vmw_surface_init - initialize a struct vmw_surface |
||
568 | * |
||
569 | * @dev_priv: Pointer to a device private struct. |
||
570 | * @srf: Pointer to the struct vmw_surface to initialize. |
||
571 | * @res_free: Pointer to a resource destructor used to free |
||
572 | * the object. |
||
573 | */ |
||
574 | static int vmw_surface_init(struct vmw_private *dev_priv, |
||
575 | struct vmw_surface *srf, |
||
576 | void (*res_free) (struct vmw_resource *res)) |
||
577 | { |
||
578 | int ret; |
||
579 | struct vmw_resource *res = &srf->res; |
||
580 | |||
581 | BUG_ON(res_free == NULL); |
||
4569 | Serge | 582 | if (!dev_priv->has_mob) |
6296 | serge | 583 | vmw_fifo_resource_inc(dev_priv); |
4075 | Serge | 584 | ret = vmw_resource_init(dev_priv, res, true, res_free, |
4569 | Serge | 585 | (dev_priv->has_mob) ? &vmw_gb_surface_func : |
4075 | Serge | 586 | &vmw_legacy_surface_func); |
587 | |||
588 | if (unlikely(ret != 0)) { |
||
4569 | Serge | 589 | if (!dev_priv->has_mob) |
6296 | serge | 590 | vmw_fifo_resource_dec(dev_priv); |
4075 | Serge | 591 | res_free(res); |
592 | return ret; |
||
593 | } |
||
594 | |||
595 | /* |
||
596 | * The surface won't be visible to hardware until a |
||
597 | * surface validate. |
||
598 | */ |
||
599 | |||
6296 | serge | 600 | INIT_LIST_HEAD(&srf->view_list); |
4075 | Serge | 601 | vmw_resource_activate(res, vmw_hw_surface_destroy); |
602 | return ret; |
||
603 | } |
||
604 | |||
605 | /** |
||
606 | * vmw_user_surface_base_to_res - TTM base object to resource converter for |
||
607 | * user visible surfaces |
||
608 | * |
||
609 | * @base: Pointer to a TTM base object |
||
610 | * |
||
611 | * Returns the struct vmw_resource embedded in a struct vmw_surface |
||
612 | * for the user-visible object identified by the TTM base object @base. |
||
613 | */ |
||
614 | static struct vmw_resource * |
||
615 | vmw_user_surface_base_to_res(struct ttm_base_object *base) |
||
616 | { |
||
4569 | Serge | 617 | return &(container_of(base, struct vmw_user_surface, |
618 | prime.base)->srf.res); |
||
4075 | Serge | 619 | } |
620 | |||
621 | /** |
||
622 | * vmw_user_surface_free - User visible surface resource destructor |
||
623 | * |
||
624 | * @res: A struct vmw_resource embedded in a struct vmw_surface. |
||
625 | */ |
||
626 | static void vmw_user_surface_free(struct vmw_resource *res) |
||
627 | { |
||
628 | struct vmw_surface *srf = vmw_res_to_srf(res); |
||
629 | struct vmw_user_surface *user_srf = |
||
630 | container_of(srf, struct vmw_user_surface, srf); |
||
631 | struct vmw_private *dev_priv = srf->res.dev_priv; |
||
632 | uint32_t size = user_srf->size; |
||
633 | |||
6296 | serge | 634 | if (user_srf->master) |
635 | drm_master_put(&user_srf->master); |
||
4075 | Serge | 636 | kfree(srf->offsets); |
637 | kfree(srf->sizes); |
||
638 | kfree(srf->snooper.image); |
||
6296 | serge | 639 | ttm_prime_object_kfree(user_srf, prime); |
4075 | Serge | 640 | ttm_mem_global_free(vmw_mem_glob(dev_priv), size); |
641 | } |
||
642 | |||
643 | /** |
||
644 | * vmw_user_surface_free - User visible surface TTM base object destructor |
||
645 | * |
||
646 | * @p_base: Pointer to a pointer to a TTM base object |
||
647 | * embedded in a struct vmw_user_surface. |
||
648 | * |
||
649 | * Drops the base object's reference on its resource, and the |
||
650 | * pointer pointed to by *p_base is set to NULL. |
||
651 | */ |
||
652 | static void vmw_user_surface_base_release(struct ttm_base_object **p_base) |
||
653 | { |
||
654 | struct ttm_base_object *base = *p_base; |
||
655 | struct vmw_user_surface *user_srf = |
||
4569 | Serge | 656 | container_of(base, struct vmw_user_surface, prime.base); |
4075 | Serge | 657 | struct vmw_resource *res = &user_srf->srf.res; |
658 | |||
659 | *p_base = NULL; |
||
6296 | serge | 660 | if (user_srf->backup_base) |
661 | ttm_base_object_unref(&user_srf->backup_base); |
||
4075 | Serge | 662 | vmw_resource_unreference(&res); |
663 | } |
||
664 | |||
665 | #if 0 |
||
6296 | serge | 666 | * vmw_user_surface_destroy_ioctl - Ioctl function implementing |
667 | * the user surface destroy functionality. |
||
668 | * |
||
669 | * @dev: Pointer to a struct drm_device. |
||
670 | * @data: Pointer to data copied from / to user-space. |
||
671 | * @file_priv: Pointer to a drm file private structure. |
||
672 | */ |
||
673 | int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, |
||
674 | struct drm_file *file_priv) |
||
675 | { |
||
676 | struct drm_vmw_surface_arg *arg = (struct drm_vmw_surface_arg *)data; |
||
677 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
||
678 | |||
679 | return ttm_ref_object_base_unref(tfile, arg->sid, TTM_REF_USAGE); |
||
680 | } |
||
681 | |||
4075 | Serge | 682 | /** |
683 | * vmw_user_surface_define_ioctl - Ioctl function implementing |
||
684 | * the user surface define functionality. |
||
685 | * |
||
686 | * @dev: Pointer to a struct drm_device. |
||
687 | * @data: Pointer to data copied from / to user-space. |
||
688 | * @file_priv: Pointer to a drm file private structure. |
||
689 | */ |
||
690 | int vmw_surface_define_ioctl(struct drm_device *dev, void *data, |
||
691 | struct drm_file *file_priv) |
||
692 | { |
||
693 | struct vmw_private *dev_priv = vmw_priv(dev); |
||
694 | struct vmw_user_surface *user_srf; |
||
695 | struct vmw_surface *srf; |
||
696 | struct vmw_resource *res; |
||
697 | struct vmw_resource *tmp; |
||
698 | union drm_vmw_surface_create_arg *arg = |
||
699 | (union drm_vmw_surface_create_arg *)data; |
||
700 | struct drm_vmw_surface_create_req *req = &arg->req; |
||
701 | struct drm_vmw_surface_arg *rep = &arg->rep; |
||
702 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
||
703 | struct drm_vmw_size __user *user_sizes; |
||
704 | int ret; |
||
705 | int i, j; |
||
706 | uint32_t cur_bo_offset; |
||
707 | struct drm_vmw_size *cur_size; |
||
708 | struct vmw_surface_offset *cur_offset; |
||
709 | uint32_t num_sizes; |
||
710 | uint32_t size; |
||
711 | const struct svga3d_surface_desc *desc; |
||
712 | |||
713 | if (unlikely(vmw_user_surface_size == 0)) |
||
714 | vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) + |
||
715 | 128; |
||
716 | |||
717 | num_sizes = 0; |
||
718 | for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) |
||
719 | num_sizes += req->mip_levels[i]; |
||
720 | |||
721 | if (num_sizes > DRM_VMW_MAX_SURFACE_FACES * |
||
722 | DRM_VMW_MAX_MIP_LEVELS) |
||
723 | return -EINVAL; |
||
724 | |||
725 | size = vmw_user_surface_size + 128 + |
||
726 | ttm_round_pot(num_sizes * sizeof(struct drm_vmw_size)) + |
||
727 | ttm_round_pot(num_sizes * sizeof(struct vmw_surface_offset)); |
||
728 | |||
729 | |||
730 | desc = svga3dsurface_get_desc(req->format); |
||
731 | if (unlikely(desc->block_desc == SVGA3DBLOCKDESC_NONE)) { |
||
732 | DRM_ERROR("Invalid surface format for surface creation.\n"); |
||
6296 | serge | 733 | DRM_ERROR("Format requested is: %d\n", req->format); |
4075 | Serge | 734 | return -EINVAL; |
735 | } |
||
736 | |||
5078 | serge | 737 | ret = ttm_read_lock(&dev_priv->reservation_sem, true); |
4075 | Serge | 738 | if (unlikely(ret != 0)) |
739 | return ret; |
||
740 | |||
741 | ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), |
||
742 | size, false, true); |
||
743 | if (unlikely(ret != 0)) { |
||
744 | if (ret != -ERESTARTSYS) |
||
745 | DRM_ERROR("Out of graphics memory for surface" |
||
746 | " creation.\n"); |
||
747 | goto out_unlock; |
||
748 | } |
||
749 | |||
750 | user_srf = kzalloc(sizeof(*user_srf), GFP_KERNEL); |
||
751 | if (unlikely(user_srf == NULL)) { |
||
752 | ret = -ENOMEM; |
||
753 | goto out_no_user_srf; |
||
754 | } |
||
755 | |||
756 | srf = &user_srf->srf; |
||
757 | res = &srf->res; |
||
758 | |||
759 | srf->flags = req->flags; |
||
760 | srf->format = req->format; |
||
761 | srf->scanout = req->scanout; |
||
762 | |||
763 | memcpy(srf->mip_levels, req->mip_levels, sizeof(srf->mip_levels)); |
||
764 | srf->num_sizes = num_sizes; |
||
765 | user_srf->size = size; |
||
766 | |||
767 | srf->sizes = kmalloc(srf->num_sizes * sizeof(*srf->sizes), GFP_KERNEL); |
||
768 | if (unlikely(srf->sizes == NULL)) { |
||
769 | ret = -ENOMEM; |
||
770 | goto out_no_sizes; |
||
771 | } |
||
772 | srf->offsets = kmalloc(srf->num_sizes * sizeof(*srf->offsets), |
||
773 | GFP_KERNEL); |
||
774 | if (unlikely(srf->sizes == NULL)) { |
||
775 | ret = -ENOMEM; |
||
776 | goto out_no_offsets; |
||
777 | } |
||
778 | |||
779 | user_sizes = (struct drm_vmw_size __user *)(unsigned long) |
||
780 | req->size_addr; |
||
781 | |||
782 | ret = copy_from_user(srf->sizes, user_sizes, |
||
783 | srf->num_sizes * sizeof(*srf->sizes)); |
||
784 | if (unlikely(ret != 0)) { |
||
785 | ret = -EFAULT; |
||
786 | goto out_no_copy; |
||
787 | } |
||
788 | |||
789 | srf->base_size = *srf->sizes; |
||
790 | srf->autogen_filter = SVGA3D_TEX_FILTER_NONE; |
||
4569 | Serge | 791 | srf->multisample_count = 0; |
4075 | Serge | 792 | |
793 | cur_bo_offset = 0; |
||
794 | cur_offset = srf->offsets; |
||
795 | cur_size = srf->sizes; |
||
796 | |||
797 | for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) { |
||
798 | for (j = 0; j < srf->mip_levels[i]; ++j) { |
||
799 | uint32_t stride = svga3dsurface_calculate_pitch |
||
800 | (desc, cur_size); |
||
801 | |||
802 | cur_offset->face = i; |
||
803 | cur_offset->mip = j; |
||
804 | cur_offset->bo_offset = cur_bo_offset; |
||
805 | cur_bo_offset += svga3dsurface_get_image_buffer_size |
||
806 | (desc, cur_size, stride); |
||
807 | ++cur_offset; |
||
808 | ++cur_size; |
||
809 | } |
||
810 | } |
||
811 | res->backup_size = cur_bo_offset; |
||
812 | if (srf->scanout && |
||
813 | srf->num_sizes == 1 && |
||
814 | srf->sizes[0].width == 64 && |
||
815 | srf->sizes[0].height == 64 && |
||
816 | srf->format == SVGA3D_A8R8G8B8) { |
||
817 | |||
818 | srf->snooper.image = kmalloc(64 * 64 * 4, GFP_KERNEL); |
||
819 | /* clear the image */ |
||
820 | if (srf->snooper.image) { |
||
821 | memset(srf->snooper.image, 0x00, 64 * 64 * 4); |
||
822 | } else { |
||
823 | DRM_ERROR("Failed to allocate cursor_image\n"); |
||
824 | ret = -ENOMEM; |
||
825 | goto out_no_copy; |
||
826 | } |
||
827 | } else { |
||
828 | srf->snooper.image = NULL; |
||
829 | } |
||
830 | srf->snooper.crtc = NULL; |
||
831 | |||
4569 | Serge | 832 | user_srf->prime.base.shareable = false; |
833 | user_srf->prime.base.tfile = NULL; |
||
4075 | Serge | 834 | |
835 | /** |
||
836 | * From this point, the generic resource management functions |
||
837 | * destroy the object on failure. |
||
838 | */ |
||
839 | |||
840 | ret = vmw_surface_init(dev_priv, srf, vmw_user_surface_free); |
||
841 | if (unlikely(ret != 0)) |
||
842 | goto out_unlock; |
||
843 | |||
6296 | serge | 844 | /* |
845 | * A gb-aware client referencing a shared surface will |
||
846 | * expect a backup buffer to be present. |
||
847 | */ |
||
848 | if (dev_priv->has_mob && req->shareable) { |
||
849 | uint32_t backup_handle; |
||
850 | |||
851 | ret = vmw_user_dmabuf_alloc(dev_priv, tfile, |
||
852 | res->backup_size, |
||
853 | true, |
||
854 | &backup_handle, |
||
855 | &res->backup, |
||
856 | &user_srf->backup_base); |
||
857 | if (unlikely(ret != 0)) { |
||
858 | vmw_resource_unreference(&res); |
||
859 | goto out_unlock; |
||
860 | } |
||
861 | } |
||
862 | |||
4075 | Serge | 863 | tmp = vmw_resource_reference(&srf->res); |
4569 | Serge | 864 | ret = ttm_prime_object_init(tfile, res->backup_size, &user_srf->prime, |
6296 | serge | 865 | req->shareable, VMW_RES_SURFACE, |
866 | &vmw_user_surface_base_release, NULL); |
||
4075 | Serge | 867 | |
868 | if (unlikely(ret != 0)) { |
||
869 | vmw_resource_unreference(&tmp); |
||
870 | vmw_resource_unreference(&res); |
||
871 | goto out_unlock; |
||
872 | } |
||
873 | |||
4569 | Serge | 874 | rep->sid = user_srf->prime.base.hash.key; |
4075 | Serge | 875 | vmw_resource_unreference(&res); |
876 | |||
5078 | serge | 877 | ttm_read_unlock(&dev_priv->reservation_sem); |
4075 | Serge | 878 | return 0; |
879 | out_no_copy: |
||
880 | kfree(srf->offsets); |
||
881 | out_no_offsets: |
||
882 | kfree(srf->sizes); |
||
883 | out_no_sizes: |
||
4569 | Serge | 884 | ttm_prime_object_kfree(user_srf, prime); |
4075 | Serge | 885 | out_no_user_srf: |
886 | ttm_mem_global_free(vmw_mem_glob(dev_priv), size); |
||
887 | out_unlock: |
||
5078 | serge | 888 | ttm_read_unlock(&dev_priv->reservation_sem); |
6296 | serge | 889 | return ret; |
890 | } |
||
5078 | serge | 891 | |
6296 | serge | 892 | |
893 | static int |
||
894 | vmw_surface_handle_reference(struct vmw_private *dev_priv, |
||
895 | struct drm_file *file_priv, |
||
896 | uint32_t u_handle, |
||
897 | enum drm_vmw_handle_type handle_type, |
||
898 | struct ttm_base_object **base_p) |
||
899 | { |
||
900 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
||
901 | struct vmw_user_surface *user_srf; |
||
902 | uint32_t handle; |
||
903 | struct ttm_base_object *base; |
||
904 | int ret; |
||
905 | |||
906 | if (handle_type == DRM_VMW_HANDLE_PRIME) { |
||
907 | ret = ttm_prime_fd_to_handle(tfile, u_handle, &handle); |
||
908 | if (unlikely(ret != 0)) |
||
909 | return ret; |
||
910 | } else { |
||
911 | if (unlikely(drm_is_render_client(file_priv))) { |
||
912 | DRM_ERROR("Render client refused legacy " |
||
913 | "surface reference.\n"); |
||
914 | return -EACCES; |
||
915 | } |
||
916 | if (ACCESS_ONCE(vmw_fpriv(file_priv)->locked_master)) { |
||
917 | DRM_ERROR("Locked master refused legacy " |
||
918 | "surface reference.\n"); |
||
919 | return -EACCES; |
||
920 | } |
||
921 | |||
922 | handle = u_handle; |
||
923 | } |
||
924 | |||
925 | ret = -EINVAL; |
||
926 | base = ttm_base_object_lookup_for_ref(dev_priv->tdev, handle); |
||
927 | if (unlikely(base == NULL)) { |
||
928 | DRM_ERROR("Could not find surface to reference.\n"); |
||
929 | goto out_no_lookup; |
||
930 | } |
||
931 | |||
932 | if (unlikely(ttm_base_object_type(base) != VMW_RES_SURFACE)) { |
||
933 | DRM_ERROR("Referenced object is not a surface.\n"); |
||
934 | goto out_bad_resource; |
||
935 | } |
||
936 | |||
937 | if (handle_type != DRM_VMW_HANDLE_PRIME) { |
||
938 | user_srf = container_of(base, struct vmw_user_surface, |
||
939 | prime.base); |
||
940 | |||
941 | /* |
||
942 | * Make sure the surface creator has the same |
||
943 | * authenticating master. |
||
944 | */ |
||
945 | if (drm_is_primary_client(file_priv) && |
||
946 | user_srf->master != file_priv->master) { |
||
947 | DRM_ERROR("Trying to reference surface outside of" |
||
948 | " master domain.\n"); |
||
949 | ret = -EACCES; |
||
950 | goto out_bad_resource; |
||
951 | } |
||
952 | |||
953 | ret = ttm_ref_object_add(tfile, base, TTM_REF_USAGE, NULL); |
||
954 | if (unlikely(ret != 0)) { |
||
955 | DRM_ERROR("Could not add a reference to a surface.\n"); |
||
956 | goto out_bad_resource; |
||
957 | } |
||
958 | } |
||
959 | |||
960 | *base_p = base; |
||
961 | return 0; |
||
962 | |||
963 | out_bad_resource: |
||
964 | ttm_base_object_unref(&base); |
||
965 | out_no_lookup: |
||
966 | if (handle_type == DRM_VMW_HANDLE_PRIME) |
||
967 | (void) ttm_ref_object_base_unref(tfile, handle, TTM_REF_USAGE); |
||
968 | |||
4075 | Serge | 969 | return ret; |
970 | } |
||
971 | |||
972 | /** |
||
973 | * vmw_user_surface_define_ioctl - Ioctl function implementing |
||
974 | * the user surface reference functionality. |
||
975 | * |
||
976 | * @dev: Pointer to a struct drm_device. |
||
977 | * @data: Pointer to data copied from / to user-space. |
||
978 | * @file_priv: Pointer to a drm file private structure. |
||
979 | */ |
||
980 | int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, |
||
981 | struct drm_file *file_priv) |
||
982 | { |
||
4569 | Serge | 983 | struct vmw_private *dev_priv = vmw_priv(dev); |
4075 | Serge | 984 | union drm_vmw_surface_reference_arg *arg = |
985 | (union drm_vmw_surface_reference_arg *)data; |
||
986 | struct drm_vmw_surface_arg *req = &arg->req; |
||
987 | struct drm_vmw_surface_create_req *rep = &arg->rep; |
||
988 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
||
989 | struct vmw_surface *srf; |
||
990 | struct vmw_user_surface *user_srf; |
||
991 | struct drm_vmw_size __user *user_sizes; |
||
992 | struct ttm_base_object *base; |
||
5078 | serge | 993 | int ret; |
4075 | Serge | 994 | |
5078 | serge | 995 | ret = vmw_surface_handle_reference(dev_priv, file_priv, req->sid, |
996 | req->handle_type, &base); |
||
997 | if (unlikely(ret != 0)) |
||
998 | return ret; |
||
4075 | Serge | 999 | |
4569 | Serge | 1000 | user_srf = container_of(base, struct vmw_user_surface, prime.base); |
4075 | Serge | 1001 | srf = &user_srf->srf; |
1002 | |||
1003 | rep->flags = srf->flags; |
||
1004 | rep->format = srf->format; |
||
1005 | memcpy(rep->mip_levels, srf->mip_levels, sizeof(srf->mip_levels)); |
||
1006 | user_sizes = (struct drm_vmw_size __user *)(unsigned long) |
||
1007 | rep->size_addr; |
||
1008 | |||
1009 | if (user_sizes) |
||
5078 | serge | 1010 | ret = copy_to_user(user_sizes, &srf->base_size, |
1011 | sizeof(srf->base_size)); |
||
4075 | Serge | 1012 | if (unlikely(ret != 0)) { |
1013 | DRM_ERROR("copy_to_user failed %p %u\n", |
||
1014 | user_sizes, srf->num_sizes); |
||
5078 | serge | 1015 | ttm_ref_object_base_unref(tfile, base->hash.key, TTM_REF_USAGE); |
4075 | Serge | 1016 | ret = -EFAULT; |
1017 | } |
||
6296 | serge | 1018 | |
4075 | Serge | 1019 | ttm_base_object_unref(&base); |
1020 | |||
1021 | return ret; |
||
1022 | } |
||
1023 | |||
1024 | #endif |
||
6296 | serge | 1025 | /** |
1026 | * vmw_surface_define_encode - Encode a surface_define command. |
||
1027 | * |
||
1028 | * @srf: Pointer to a struct vmw_surface object. |
||
1029 | * @cmd_space: Pointer to memory area in which the commands should be encoded. |
||
1030 | */ |
||
1031 | static int vmw_gb_surface_create(struct vmw_resource *res) |
||
1032 | { |
||
1033 | struct vmw_private *dev_priv = res->dev_priv; |
||
1034 | struct vmw_surface *srf = vmw_res_to_srf(res); |
||
1035 | uint32_t cmd_len, cmd_id, submit_len; |
||
1036 | int ret; |
||
1037 | struct { |
||
1038 | SVGA3dCmdHeader header; |
||
1039 | SVGA3dCmdDefineGBSurface body; |
||
1040 | } *cmd; |
||
1041 | struct { |
||
1042 | SVGA3dCmdHeader header; |
||
1043 | SVGA3dCmdDefineGBSurface_v2 body; |
||
1044 | } *cmd2; |
||
1045 | |||
1046 | if (likely(res->id != -1)) |
||
1047 | return 0; |
||
1048 | |||
1049 | vmw_fifo_resource_inc(dev_priv); |
||
1050 | ret = vmw_resource_alloc_id(res); |
||
1051 | if (unlikely(ret != 0)) { |
||
1052 | DRM_ERROR("Failed to allocate a surface id.\n"); |
||
1053 | goto out_no_id; |
||
1054 | } |
||
1055 | |||
1056 | if (unlikely(res->id >= VMWGFX_NUM_GB_SURFACE)) { |
||
1057 | ret = -EBUSY; |
||
1058 | goto out_no_fifo; |
||
1059 | } |
||
1060 | |||
1061 | if (srf->array_size > 0) { |
||
1062 | /* has_dx checked on creation time. */ |
||
1063 | cmd_id = SVGA_3D_CMD_DEFINE_GB_SURFACE_V2; |
||
1064 | cmd_len = sizeof(cmd2->body); |
||
1065 | submit_len = sizeof(*cmd2); |
||
1066 | } else { |
||
1067 | cmd_id = SVGA_3D_CMD_DEFINE_GB_SURFACE; |
||
1068 | cmd_len = sizeof(cmd->body); |
||
1069 | submit_len = sizeof(*cmd); |
||
1070 | } |
||
1071 | |||
1072 | cmd = vmw_fifo_reserve(dev_priv, submit_len); |
||
1073 | cmd2 = (typeof(cmd2))cmd; |
||
1074 | if (unlikely(cmd == NULL)) { |
||
1075 | DRM_ERROR("Failed reserving FIFO space for surface " |
||
1076 | "creation.\n"); |
||
1077 | ret = -ENOMEM; |
||
1078 | goto out_no_fifo; |
||
1079 | } |
||
1080 | |||
1081 | if (srf->array_size > 0) { |
||
1082 | cmd2->header.id = cmd_id; |
||
1083 | cmd2->header.size = cmd_len; |
||
1084 | cmd2->body.sid = srf->res.id; |
||
1085 | cmd2->body.surfaceFlags = srf->flags; |
||
1086 | cmd2->body.format = cpu_to_le32(srf->format); |
||
1087 | cmd2->body.numMipLevels = srf->mip_levels[0]; |
||
1088 | cmd2->body.multisampleCount = srf->multisample_count; |
||
1089 | cmd2->body.autogenFilter = srf->autogen_filter; |
||
1090 | cmd2->body.size.width = srf->base_size.width; |
||
1091 | cmd2->body.size.height = srf->base_size.height; |
||
1092 | cmd2->body.size.depth = srf->base_size.depth; |
||
1093 | cmd2->body.arraySize = srf->array_size; |
||
1094 | } else { |
||
1095 | cmd->header.id = cmd_id; |
||
1096 | cmd->header.size = cmd_len; |
||
1097 | cmd->body.sid = srf->res.id; |
||
1098 | cmd->body.surfaceFlags = srf->flags; |
||
1099 | cmd->body.format = cpu_to_le32(srf->format); |
||
1100 | cmd->body.numMipLevels = srf->mip_levels[0]; |
||
1101 | cmd->body.multisampleCount = srf->multisample_count; |
||
1102 | cmd->body.autogenFilter = srf->autogen_filter; |
||
1103 | cmd->body.size.width = srf->base_size.width; |
||
1104 | cmd->body.size.height = srf->base_size.height; |
||
1105 | cmd->body.size.depth = srf->base_size.depth; |
||
1106 | } |
||
1107 | |||
1108 | vmw_fifo_commit(dev_priv, submit_len); |
||
1109 | |||
1110 | return 0; |
||
1111 | |||
1112 | out_no_fifo: |
||
1113 | vmw_resource_release_id(res); |
||
1114 | out_no_id: |
||
1115 | vmw_fifo_resource_dec(dev_priv); |
||
1116 | return ret; |
||
1117 | } |
||
1118 | |||
1119 | |||
1120 | static int vmw_gb_surface_bind(struct vmw_resource *res, |
||
1121 | struct ttm_validate_buffer *val_buf) |
||
1122 | { |
||
1123 | struct vmw_private *dev_priv = res->dev_priv; |
||
1124 | struct { |
||
1125 | SVGA3dCmdHeader header; |
||
1126 | SVGA3dCmdBindGBSurface body; |
||
1127 | } *cmd1; |
||
1128 | struct { |
||
1129 | SVGA3dCmdHeader header; |
||
1130 | SVGA3dCmdUpdateGBSurface body; |
||
1131 | } *cmd2; |
||
1132 | uint32_t submit_size; |
||
1133 | struct ttm_buffer_object *bo = val_buf->bo; |
||
1134 | |||
1135 | BUG_ON(bo->mem.mem_type != VMW_PL_MOB); |
||
1136 | |||
1137 | submit_size = sizeof(*cmd1) + (res->backup_dirty ? sizeof(*cmd2) : 0); |
||
1138 | |||
1139 | cmd1 = vmw_fifo_reserve(dev_priv, submit_size); |
||
1140 | if (unlikely(cmd1 == NULL)) { |
||
1141 | DRM_ERROR("Failed reserving FIFO space for surface " |
||
1142 | "binding.\n"); |
||
1143 | return -ENOMEM; |
||
1144 | } |
||
1145 | |||
1146 | cmd1->header.id = SVGA_3D_CMD_BIND_GB_SURFACE; |
||
1147 | cmd1->header.size = sizeof(cmd1->body); |
||
1148 | cmd1->body.sid = res->id; |
||
1149 | cmd1->body.mobid = bo->mem.start; |
||
1150 | if (res->backup_dirty) { |
||
1151 | cmd2 = (void *) &cmd1[1]; |
||
1152 | cmd2->header.id = SVGA_3D_CMD_UPDATE_GB_SURFACE; |
||
1153 | cmd2->header.size = sizeof(cmd2->body); |
||
1154 | cmd2->body.sid = res->id; |
||
1155 | res->backup_dirty = false; |
||
1156 | } |
||
1157 | vmw_fifo_commit(dev_priv, submit_size); |
||
1158 | |||
1159 | return 0; |
||
1160 | } |
||
1161 | |||
1162 | static int vmw_gb_surface_unbind(struct vmw_resource *res, |
||
1163 | bool readback, |
||
1164 | struct ttm_validate_buffer *val_buf) |
||
1165 | { |
||
1166 | struct vmw_private *dev_priv = res->dev_priv; |
||
1167 | struct ttm_buffer_object *bo = val_buf->bo; |
||
1168 | struct vmw_fence_obj *fence; |
||
1169 | |||
1170 | struct { |
||
1171 | SVGA3dCmdHeader header; |
||
1172 | SVGA3dCmdReadbackGBSurface body; |
||
1173 | } *cmd1; |
||
1174 | struct { |
||
1175 | SVGA3dCmdHeader header; |
||
1176 | SVGA3dCmdInvalidateGBSurface body; |
||
1177 | } *cmd2; |
||
1178 | struct { |
||
1179 | SVGA3dCmdHeader header; |
||
1180 | SVGA3dCmdBindGBSurface body; |
||
1181 | } *cmd3; |
||
1182 | uint32_t submit_size; |
||
1183 | uint8_t *cmd; |
||
1184 | |||
1185 | |||
1186 | BUG_ON(bo->mem.mem_type != VMW_PL_MOB); |
||
1187 | |||
1188 | submit_size = sizeof(*cmd3) + (readback ? sizeof(*cmd1) : sizeof(*cmd2)); |
||
1189 | cmd = vmw_fifo_reserve(dev_priv, submit_size); |
||
1190 | if (unlikely(cmd == NULL)) { |
||
1191 | DRM_ERROR("Failed reserving FIFO space for surface " |
||
1192 | "unbinding.\n"); |
||
1193 | return -ENOMEM; |
||
1194 | } |
||
1195 | |||
1196 | if (readback) { |
||
1197 | cmd1 = (void *) cmd; |
||
1198 | cmd1->header.id = SVGA_3D_CMD_READBACK_GB_SURFACE; |
||
1199 | cmd1->header.size = sizeof(cmd1->body); |
||
1200 | cmd1->body.sid = res->id; |
||
1201 | cmd3 = (void *) &cmd1[1]; |
||
1202 | } else { |
||
1203 | cmd2 = (void *) cmd; |
||
1204 | cmd2->header.id = SVGA_3D_CMD_INVALIDATE_GB_SURFACE; |
||
1205 | cmd2->header.size = sizeof(cmd2->body); |
||
1206 | cmd2->body.sid = res->id; |
||
1207 | cmd3 = (void *) &cmd2[1]; |
||
1208 | } |
||
1209 | |||
1210 | cmd3->header.id = SVGA_3D_CMD_BIND_GB_SURFACE; |
||
1211 | cmd3->header.size = sizeof(cmd3->body); |
||
1212 | cmd3->body.sid = res->id; |
||
1213 | cmd3->body.mobid = SVGA3D_INVALID_ID; |
||
1214 | |||
1215 | vmw_fifo_commit(dev_priv, submit_size); |
||
1216 | |||
1217 | /* |
||
1218 | * Create a fence object and fence the backup buffer. |
||
1219 | */ |
||
1220 | |||
1221 | (void) vmw_execbuf_fence_commands(NULL, dev_priv, |
||
1222 | &fence, NULL); |
||
1223 | |||
1224 | vmw_fence_single_bo(val_buf->bo, fence); |
||
1225 | |||
1226 | if (likely(fence != NULL)) |
||
1227 | vmw_fence_obj_unreference(&fence); |
||
1228 | |||
1229 | return 0; |
||
1230 | } |
||
1231 | |||
1232 | static int vmw_gb_surface_destroy(struct vmw_resource *res) |
||
1233 | { |
||
1234 | struct vmw_private *dev_priv = res->dev_priv; |
||
1235 | struct vmw_surface *srf = vmw_res_to_srf(res); |
||
1236 | struct { |
||
1237 | SVGA3dCmdHeader header; |
||
1238 | SVGA3dCmdDestroyGBSurface body; |
||
1239 | } *cmd; |
||
1240 | |||
1241 | if (likely(res->id == -1)) |
||
1242 | return 0; |
||
1243 | |||
1244 | mutex_lock(&dev_priv->binding_mutex); |
||
1245 | vmw_view_surface_list_destroy(dev_priv, &srf->view_list); |
||
1246 | vmw_binding_res_list_scrub(&res->binding_head); |
||
1247 | |||
1248 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
||
1249 | if (unlikely(cmd == NULL)) { |
||
1250 | DRM_ERROR("Failed reserving FIFO space for surface " |
||
1251 | "destruction.\n"); |
||
1252 | mutex_unlock(&dev_priv->binding_mutex); |
||
1253 | return -ENOMEM; |
||
1254 | } |
||
1255 | |||
1256 | cmd->header.id = SVGA_3D_CMD_DESTROY_GB_SURFACE; |
||
1257 | cmd->header.size = sizeof(cmd->body); |
||
1258 | cmd->body.sid = res->id; |
||
1259 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
||
1260 | mutex_unlock(&dev_priv->binding_mutex); |
||
1261 | vmw_resource_release_id(res); |
||
1262 | vmw_fifo_resource_dec(dev_priv); |
||
1263 | |||
1264 | return 0; |
||
1265 | } |
||
1266 | /** |
||
1267 | * vmw_surface_gb_priv_define - Define a private GB surface |
||
1268 | * |
||
1269 | * @dev: Pointer to a struct drm_device |
||
1270 | * @user_accounting_size: Used to track user-space memory usage, set |
||
1271 | * to 0 for kernel mode only memory |
||
1272 | * @svga3d_flags: SVGA3d surface flags for the device |
||
1273 | * @format: requested surface format |
||
1274 | * @for_scanout: true if inteded to be used for scanout buffer |
||
1275 | * @num_mip_levels: number of MIP levels |
||
1276 | * @multisample_count: |
||
1277 | * @array_size: Surface array size. |
||
1278 | * @size: width, heigh, depth of the surface requested |
||
1279 | * @user_srf_out: allocated user_srf. Set to NULL on failure. |
||
1280 | * |
||
1281 | * GB surfaces allocated by this function will not have a user mode handle, and |
||
1282 | * thus will only be visible to vmwgfx. For optimization reasons the |
||
1283 | * surface may later be given a user mode handle by another function to make |
||
1284 | * it available to user mode drivers. |
||
1285 | */ |
||
1286 | int vmw_surface_gb_priv_define(struct drm_device *dev, |
||
1287 | uint32_t user_accounting_size, |
||
1288 | uint32_t svga3d_flags, |
||
1289 | SVGA3dSurfaceFormat format, |
||
1290 | bool for_scanout, |
||
1291 | uint32_t num_mip_levels, |
||
1292 | uint32_t multisample_count, |
||
1293 | uint32_t array_size, |
||
1294 | struct drm_vmw_size size, |
||
1295 | struct vmw_surface **srf_out) |
||
1296 | { |
||
1297 | struct vmw_private *dev_priv = vmw_priv(dev); |
||
1298 | struct vmw_user_surface *user_srf; |
||
1299 | struct vmw_surface *srf; |
||
1300 | int ret; |
||
1301 | u32 num_layers; |
||
1302 | |||
1303 | *srf_out = NULL; |
||
1304 | |||
1305 | if (for_scanout) { |
||
1306 | if (!svga3dsurface_is_screen_target_format(format)) { |
||
1307 | DRM_ERROR("Invalid Screen Target surface format."); |
||
1308 | return -EINVAL; |
||
1309 | } |
||
1310 | } else { |
||
1311 | const struct svga3d_surface_desc *desc; |
||
1312 | |||
1313 | desc = svga3dsurface_get_desc(format); |
||
1314 | if (unlikely(desc->block_desc == SVGA3DBLOCKDESC_NONE)) { |
||
1315 | DRM_ERROR("Invalid surface format.\n"); |
||
1316 | return -EINVAL; |
||
1317 | } |
||
1318 | } |
||
1319 | |||
1320 | /* array_size must be null for non-GL3 host. */ |
||
1321 | if (array_size > 0 && !dev_priv->has_dx) { |
||
1322 | DRM_ERROR("Tried to create DX surface on non-DX host.\n"); |
||
1323 | return -EINVAL; |
||
1324 | } |
||
1325 | |||
1326 | ret = ttm_read_lock(&dev_priv->reservation_sem, true); |
||
1327 | if (unlikely(ret != 0)) |
||
1328 | return ret; |
||
1329 | |||
1330 | ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), |
||
1331 | user_accounting_size, false, true); |
||
1332 | if (unlikely(ret != 0)) { |
||
1333 | if (ret != -ERESTARTSYS) |
||
1334 | DRM_ERROR("Out of graphics memory for surface" |
||
1335 | " creation.\n"); |
||
1336 | goto out_unlock; |
||
1337 | } |
||
1338 | |||
1339 | user_srf = kzalloc(sizeof(*user_srf), GFP_KERNEL); |
||
1340 | if (unlikely(user_srf == NULL)) { |
||
1341 | ret = -ENOMEM; |
||
1342 | goto out_no_user_srf; |
||
1343 | } |
||
1344 | |||
1345 | *srf_out = &user_srf->srf; |
||
1346 | user_srf->size = user_accounting_size; |
||
1347 | user_srf->prime.base.shareable = false; |
||
1348 | user_srf->prime.base.tfile = NULL; |
||
1349 | |||
1350 | srf = &user_srf->srf; |
||
1351 | srf->flags = svga3d_flags; |
||
1352 | srf->format = format; |
||
1353 | srf->scanout = for_scanout; |
||
1354 | srf->mip_levels[0] = num_mip_levels; |
||
1355 | srf->num_sizes = 1; |
||
1356 | srf->sizes = NULL; |
||
1357 | srf->offsets = NULL; |
||
1358 | srf->base_size = size; |
||
1359 | srf->autogen_filter = SVGA3D_TEX_FILTER_NONE; |
||
1360 | srf->array_size = array_size; |
||
1361 | srf->multisample_count = multisample_count; |
||
1362 | |||
1363 | if (array_size) |
||
1364 | num_layers = array_size; |
||
1365 | else if (svga3d_flags & SVGA3D_SURFACE_CUBEMAP) |
||
1366 | num_layers = SVGA3D_MAX_SURFACE_FACES; |
||
1367 | else |
||
1368 | num_layers = 1; |
||
1369 | |||
1370 | srf->res.backup_size = |
||
1371 | svga3dsurface_get_serialized_size(srf->format, |
||
1372 | srf->base_size, |
||
1373 | srf->mip_levels[0], |
||
1374 | num_layers); |
||
1375 | |||
1376 | if (srf->flags & SVGA3D_SURFACE_BIND_STREAM_OUTPUT) |
||
1377 | srf->res.backup_size += sizeof(SVGA3dDXSOState); |
||
1378 | |||
1379 | if (dev_priv->active_display_unit == vmw_du_screen_target && |
||
1380 | for_scanout) |
||
1381 | srf->flags |= SVGA3D_SURFACE_SCREENTARGET; |
||
1382 | |||
1383 | /* |
||
1384 | * From this point, the generic resource management functions |
||
1385 | * destroy the object on failure. |
||
1386 | */ |
||
1387 | ret = vmw_surface_init(dev_priv, srf, vmw_user_surface_free); |
||
1388 | |||
1389 | ttm_read_unlock(&dev_priv->reservation_sem); |
||
1390 | return ret; |
||
1391 | |||
1392 | out_no_user_srf: |
||
1393 | ttm_mem_global_free(vmw_mem_glob(dev_priv), user_accounting_size); |
||
1394 | |||
1395 | out_unlock: |
||
1396 | ttm_read_unlock(&dev_priv->reservation_sem); |
||
1397 | return ret; |
||
1398 | }>>>>>> |