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Rev | Author | Line No. | Line |
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4075 | Serge | 1 | #include |
2 | #include |
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3 | |||
4 | #include |
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5 | #include |
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6 | |||
7 | #include "vmwgfx_drv.h" |
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8 | |||
9 | #include |
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10 | #include |
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11 | #include |
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12 | #include |
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13 | |||
14 | #include "bitmap.h" |
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15 | |||
16 | struct pci_device { |
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17 | uint16_t domain; |
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18 | uint8_t bus; |
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19 | uint8_t dev; |
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20 | uint8_t func; |
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21 | uint16_t vendor_id; |
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22 | uint16_t device_id; |
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23 | uint16_t subvendor_id; |
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24 | uint16_t subdevice_id; |
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25 | uint32_t device_class; |
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26 | uint8_t revision; |
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27 | }; |
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28 | |||
29 | extern struct drm_device *main_device; |
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30 | extern struct drm_file *drm_file_handlers[256]; |
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31 | |||
32 | int vmw_init(void); |
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33 | void cpu_detect(); |
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34 | |||
35 | void parse_cmdline(char *cmdline, char *log); |
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36 | int _stdcall display_handler(ioctl_t *io); |
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37 | |||
38 | int srv_blit_bitmap(u32 hbitmap, int dst_x, int dst_y, |
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39 | int src_x, int src_y, u32 w, u32 h); |
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40 | |||
41 | int blit_textured(u32 hbitmap, int dst_x, int dst_y, |
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42 | int src_x, int src_y, u32 w, u32 h); |
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43 | |||
44 | int blit_tex(u32 hbitmap, int dst_x, int dst_y, |
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45 | int src_x, int src_y, u32 w, u32 h); |
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46 | |||
47 | void get_pci_info(struct pci_device *dev); |
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48 | int gem_getparam(struct drm_device *dev, void *data); |
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49 | |||
50 | int i915_mask_update(struct drm_device *dev, void *data, |
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51 | struct drm_file *file); |
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52 | |||
53 | |||
54 | static char log[256]; |
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55 | |||
56 | struct workqueue_struct *system_wq; |
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57 | int driver_wq_state; |
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58 | |||
59 | int x86_clflush_size; |
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60 | unsigned int tsc_khz; |
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61 | |||
62 | int i915_modeset = 1; |
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63 | |||
64 | u32_t __attribute__((externally_visible)) drvEntry(int action, char *cmdline) |
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65 | { |
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66 | |||
67 | int err = 0; |
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68 | |||
69 | if(action != 1) |
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70 | { |
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71 | driver_wq_state = 0; |
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72 | return 0; |
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73 | }; |
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74 | |||
75 | if( GetService("DISPLAY") != 0 ) |
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76 | return 0; |
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77 | |||
78 | if( cmdline && *cmdline ) |
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79 | parse_cmdline(cmdline, log); |
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80 | |||
81 | if(!dbg_open(log)) |
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82 | { |
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83 | // strcpy(log, "/tmp1/1/vmw.log"); |
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84 | // strcpy(log, "/RD/1/DRIVERS/VMW.log"); |
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85 | strcpy(log, "/HD0/1/vmw.log"); |
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86 | |||
87 | if(!dbg_open(log)) |
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88 | { |
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89 | printf("Can't open %s\nExit\n", log); |
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90 | return 0; |
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91 | }; |
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92 | } |
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93 | dbgprintf(" vmw v3.10\n cmdline: %s\n", cmdline); |
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94 | |||
95 | cpu_detect(); |
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96 | dbgprintf("\ncache line size %d\n", x86_clflush_size); |
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97 | |||
98 | enum_pci_devices(); |
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99 | |||
100 | err = vmw_init(); |
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101 | |||
102 | if(err) |
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103 | { |
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104 | dbgprintf("Epic Fail :(\n"); |
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105 | return 0; |
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106 | }; |
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107 | |||
108 | err = RegService("DISPLAY", display_handler); |
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109 | |||
110 | if( err != 0) |
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111 | dbgprintf("Set DISPLAY handler\n"); |
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112 | |||
113 | // struct drm_i915_private *dev_priv = main_device->dev_private; |
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114 | // driver_wq_state = 1; |
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115 | // run_workqueue(dev_priv->wq); |
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116 | |||
117 | return err; |
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118 | }; |
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119 | |||
120 | |||
121 | #define CURRENT_API 0x0200 /* 2.00 */ |
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122 | #define COMPATIBLE_API 0x0100 /* 1.00 */ |
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123 | |||
124 | #define API_VERSION (COMPATIBLE_API << 16) | CURRENT_API |
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125 | #define DISPLAY_VERSION API_VERSION |
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126 | |||
127 | |||
128 | #define SRV_GETVERSION 0 |
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129 | #define SRV_ENUM_MODES 1 |
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130 | #define SRV_SET_MODE 2 |
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131 | #define SRV_GET_CAPS 3 |
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132 | |||
133 | #define SRV_CREATE_SURFACE 10 |
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134 | #define SRV_DESTROY_SURFACE 11 |
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135 | #define SRV_LOCK_SURFACE 12 |
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136 | #define SRV_UNLOCK_SURFACE 13 |
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137 | #define SRV_RESIZE_SURFACE 14 |
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138 | #define SRV_BLIT_BITMAP 15 |
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139 | #define SRV_BLIT_TEXTURE 16 |
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140 | #define SRV_BLIT_VIDEO 17 |
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141 | |||
142 | |||
143 | #define SRV_GET_PCI_INFO 20 |
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144 | #define SRV_GET_PARAM 21 |
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145 | #define SRV_I915_GEM_CREATE 22 |
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146 | #define SRV_DRM_GEM_CLOSE 23 |
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147 | #define SRV_I915_GEM_PIN 24 |
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148 | #define SRV_I915_GEM_SET_CACHEING 25 |
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149 | #define SRV_I915_GEM_GET_APERTURE 26 |
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150 | #define SRV_I915_GEM_PWRITE 27 |
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151 | #define SRV_I915_GEM_BUSY 28 |
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152 | #define SRV_I915_GEM_SET_DOMAIN 29 |
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153 | #define SRV_I915_GEM_MMAP 30 |
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154 | #define SRV_I915_GEM_MMAP_GTT 31 |
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155 | #define SRV_I915_GEM_THROTTLE 32 |
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156 | #define SRV_FBINFO 33 |
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157 | #define SRV_I915_GEM_EXECBUFFER2 34 |
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158 | #define SRV_MASK_UPDATE 35 |
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159 | |||
160 | |||
161 | |||
162 | #define check_input(size) \ |
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163 | if( unlikely((inp==NULL)||(io->inp_size != (size))) ) \ |
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164 | break; |
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165 | |||
166 | #define check_output(size) \ |
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167 | if( unlikely((outp==NULL)||(io->out_size != (size))) ) \ |
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168 | break; |
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169 | |||
170 | int _stdcall display_handler(ioctl_t *io) |
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171 | { |
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172 | struct drm_file *file; |
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173 | |||
174 | int retval = -1; |
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175 | u32_t *inp; |
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176 | u32_t *outp; |
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177 | |||
178 | inp = io->input; |
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179 | outp = io->output; |
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180 | |||
181 | file = drm_file_handlers[0]; |
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182 | |||
183 | switch(io->io_code) |
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184 | { |
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185 | case SRV_GETVERSION: |
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186 | check_output(4); |
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187 | *outp = DISPLAY_VERSION; |
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188 | retval = 0; |
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189 | break; |
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190 | #if 0 |
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191 | case SRV_ENUM_MODES: |
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192 | // dbgprintf("SRV_ENUM_MODES inp %x inp_size %x out_size %x\n", |
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193 | // inp, io->inp_size, io->out_size ); |
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194 | check_output(4); |
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195 | // check_input(*outp * sizeof(videomode_t)); |
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196 | if( i915_modeset) |
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197 | retval = get_videomodes((videomode_t*)inp, outp); |
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198 | break; |
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199 | |||
200 | case SRV_SET_MODE: |
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201 | // dbgprintf("SRV_SET_MODE inp %x inp_size %x\n", |
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202 | // inp, io->inp_size); |
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203 | check_input(sizeof(videomode_t)); |
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204 | if( i915_modeset ) |
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205 | retval = set_user_mode((videomode_t*)inp); |
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206 | break; |
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207 | |||
208 | case SRV_GET_CAPS: |
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209 | retval = get_driver_caps((hwcaps_t*)inp); |
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210 | break; |
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211 | |||
212 | case SRV_CREATE_SURFACE: |
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213 | // check_input(8); |
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214 | // retval = create_surface(main_device, (struct io_call_10*)inp); |
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215 | break; |
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216 | |||
217 | case SRV_LOCK_SURFACE: |
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218 | // retval = lock_surface((struct io_call_12*)inp); |
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219 | break; |
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220 | |||
221 | case SRV_RESIZE_SURFACE: |
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222 | // retval = resize_surface((struct io_call_14*)inp); |
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223 | break; |
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224 | |||
225 | case SRV_BLIT_BITMAP: |
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226 | // srv_blit_bitmap( inp[0], inp[1], inp[2], |
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227 | // inp[3], inp[4], inp[5], inp[6]); |
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228 | |||
229 | // blit_tex( inp[0], inp[1], inp[2], |
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230 | // inp[3], inp[4], inp[5], inp[6]); |
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231 | |||
232 | break; |
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233 | |||
234 | case SRV_GET_PCI_INFO: |
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235 | get_pci_info((struct pci_device *)inp); |
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236 | retval = 0; |
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237 | break; |
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238 | |||
239 | case SRV_GET_PARAM: |
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240 | retval = gem_getparam(main_device, inp); |
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241 | break; |
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242 | |||
243 | case SRV_I915_GEM_CREATE: |
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244 | retval = i915_gem_create_ioctl(main_device, inp, file); |
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245 | break; |
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246 | |||
247 | case SRV_DRM_GEM_CLOSE: |
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248 | retval = drm_gem_close_ioctl(main_device, inp, file); |
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249 | break; |
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250 | |||
251 | case SRV_I915_GEM_PIN: |
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252 | retval = i915_gem_pin_ioctl(main_device, inp, file); |
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253 | break; |
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254 | |||
255 | case SRV_I915_GEM_SET_CACHEING: |
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256 | retval = i915_gem_set_caching_ioctl(main_device, inp, file); |
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257 | break; |
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258 | |||
259 | case SRV_I915_GEM_GET_APERTURE: |
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260 | retval = i915_gem_get_aperture_ioctl(main_device, inp, file); |
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261 | break; |
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262 | |||
263 | case SRV_I915_GEM_PWRITE: |
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264 | retval = i915_gem_pwrite_ioctl(main_device, inp, file); |
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265 | break; |
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266 | |||
267 | case SRV_I915_GEM_BUSY: |
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268 | retval = i915_gem_busy_ioctl(main_device, inp, file); |
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269 | break; |
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270 | |||
271 | case SRV_I915_GEM_SET_DOMAIN: |
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272 | retval = i915_gem_set_domain_ioctl(main_device, inp, file); |
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273 | break; |
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274 | |||
275 | case SRV_I915_GEM_THROTTLE: |
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276 | retval = i915_gem_throttle_ioctl(main_device, inp, file); |
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277 | break; |
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278 | |||
279 | case SRV_I915_GEM_MMAP: |
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280 | retval = i915_gem_mmap_ioctl(main_device, inp, file); |
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281 | break; |
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282 | |||
283 | case SRV_I915_GEM_MMAP_GTT: |
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284 | retval = i915_gem_mmap_gtt_ioctl(main_device, inp, file); |
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285 | break; |
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286 | |||
287 | |||
288 | case SRV_FBINFO: |
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289 | retval = i915_fbinfo(inp); |
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290 | break; |
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291 | |||
292 | case SRV_I915_GEM_EXECBUFFER2: |
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293 | retval = i915_gem_execbuffer2(main_device, inp, file); |
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294 | break; |
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295 | |||
296 | case SRV_MASK_UPDATE: |
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297 | retval = i915_mask_update(main_device, inp, file); |
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298 | break; |
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299 | #endif |
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300 | |||
301 | }; |
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302 | |||
303 | return retval; |
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304 | } |
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305 | |||
306 | |||
307 | #define PCI_CLASS_REVISION 0x08 |
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308 | #define PCI_CLASS_DISPLAY_VGA 0x0300 |
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309 | #define PCI_CLASS_BRIDGE_HOST 0x0600 |
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310 | #define PCI_CLASS_BRIDGE_ISA 0x0601 |
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311 | |||
312 | int pci_scan_filter(u32_t id, u32_t busnr, u32_t devfn) |
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313 | { |
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314 | u16_t vendor, device; |
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315 | u32_t class; |
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316 | int ret = 0; |
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317 | |||
318 | vendor = id & 0xffff; |
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319 | device = (id >> 16) & 0xffff; |
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320 | |||
321 | if(vendor == 0x15AD ) |
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322 | { |
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323 | class = PciRead32(busnr, devfn, PCI_CLASS_REVISION); |
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324 | class >>= 16; |
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325 | |||
326 | if( class == PCI_CLASS_DISPLAY_VGA ) |
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327 | ret = 1; |
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328 | } |
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329 | return ret; |
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330 | }; |
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331 | |||
332 | |||
333 | static char* parse_path(char *p, char *log) |
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334 | { |
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335 | char c; |
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336 | |||
337 | while( (c = *p++) == ' '); |
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338 | p--; |
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339 | while( (c = *log++ = *p++) && (c != ' ')); |
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340 | *log = 0; |
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341 | |||
342 | return p; |
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343 | }; |
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344 | |||
345 | void parse_cmdline(char *cmdline, char *log) |
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346 | { |
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347 | char *p = cmdline; |
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348 | |||
349 | char c = *p++; |
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350 | |||
351 | while( c ) |
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352 | { |
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353 | if( c == '-') |
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354 | { |
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355 | switch(*p++) |
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356 | { |
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357 | case 'l': |
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358 | p = parse_path(p, log); |
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359 | break; |
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360 | }; |
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361 | }; |
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362 | c = *p++; |
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363 | }; |
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364 | }; |
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365 | |||
366 | |||
367 | static inline void __cpuid(unsigned int *eax, unsigned int *ebx, |
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368 | unsigned int *ecx, unsigned int *edx) |
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369 | { |
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370 | /* ecx is often an input as well as an output. */ |
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371 | asm volatile("cpuid" |
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372 | : "=a" (*eax), |
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373 | "=b" (*ebx), |
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374 | "=c" (*ecx), |
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375 | "=d" (*edx) |
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376 | : "0" (*eax), "2" (*ecx) |
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377 | : "memory"); |
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378 | } |
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379 | |||
380 | |||
381 | |||
382 | static inline void cpuid(unsigned int op, |
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383 | unsigned int *eax, unsigned int *ebx, |
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384 | unsigned int *ecx, unsigned int *edx) |
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385 | { |
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386 | *eax = op; |
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387 | *ecx = 0; |
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388 | __cpuid(eax, ebx, ecx, edx); |
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389 | } |
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390 | |||
391 | void cpu_detect() |
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392 | { |
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393 | u32 junk, tfms, cap0, misc; |
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394 | |||
395 | cpuid(0x00000001, &tfms, &misc, &junk, &cap0); |
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396 | |||
397 | if (cap0 & (1<<19)) |
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398 | { |
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399 | x86_clflush_size = ((misc >> 8) & 0xff) * 8; |
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400 | } |
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401 | |||
402 | tsc_khz = (unsigned int)(GetCpuFreq()/1000); |
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403 | } |
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404 | |||
405 | /* |
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406 | int get_driver_caps(hwcaps_t *caps) |
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407 | { |
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408 | int ret = 0; |
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409 | |||
410 | switch(caps->idx) |
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411 | { |
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412 | case 0: |
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413 | caps->opt[0] = 0; |
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414 | caps->opt[1] = 0; |
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415 | break; |
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416 | |||
417 | case 1: |
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418 | caps->cap1.max_tex_width = 4096; |
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419 | caps->cap1.max_tex_height = 4096; |
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420 | break; |
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421 | default: |
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422 | ret = 1; |
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423 | }; |
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424 | caps->idx = 1; |
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425 | return ret; |
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426 | } |
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427 | |||
428 | |||
429 | void get_pci_info(struct pci_device *dev) |
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430 | { |
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431 | struct pci_dev *pdev = main_device->pdev; |
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432 | |||
433 | memset(dev, sizeof(*dev), 0); |
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434 | |||
435 | dev->domain = 0; |
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436 | dev->bus = pdev->busnr; |
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437 | dev->dev = pdev->devfn >> 3; |
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438 | dev->func = pdev->devfn & 7; |
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439 | dev->vendor_id = pdev->vendor; |
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440 | dev->device_id = pdev->device; |
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441 | dev->revision = pdev->revision; |
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442 | }; |
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443 | |||
444 | */ |
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445 | |||
446 | #include |
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447 | #include |
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448 | #include |
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449 | #include |
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450 | #include |
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451 | |||
452 | /** |
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453 | * hdmi_avi_infoframe_init() - initialize an HDMI AVI infoframe |
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454 | * @frame: HDMI AVI infoframe |
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455 | * |
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456 | * Returns 0 on success or a negative error code on failure. |
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457 | */ |
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458 | int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame) |
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459 | { |
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460 | memset(frame, 0, sizeof(*frame)); |
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461 | |||
462 | frame->type = HDMI_INFOFRAME_TYPE_AVI; |
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463 | frame->version = 2; |
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464 | frame->length = 13; |
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465 | |||
466 | return 0; |
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467 | } |
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468 | |||
469 | |||
470 | static void *check_bytes8(const u8 *start, u8 value, unsigned int bytes) |
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471 | { |
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472 | while (bytes) { |
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473 | if (*start != value) |
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474 | return (void *)start; |
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475 | start++; |
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476 | bytes--; |
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477 | } |
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478 | return NULL; |
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479 | } |
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480 | |||
481 | /** |
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482 | * memchr_inv - Find an unmatching character in an area of memory. |
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483 | * @start: The memory area |
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484 | * @c: Find a character other than c |
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485 | * @bytes: The size of the area. |
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486 | * |
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487 | * returns the address of the first character other than @c, or %NULL |
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488 | * if the whole buffer contains just @c. |
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489 | */ |
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490 | void *memchr_inv(const void *start, int c, size_t bytes) |
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491 | { |
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492 | u8 value = c; |
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493 | u64 value64; |
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494 | unsigned int words, prefix; |
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495 | |||
496 | if (bytes <= 16) |
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497 | return check_bytes8(start, value, bytes); |
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498 | |||
499 | value64 = value; |
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500 | #if defined(ARCH_HAS_FAST_MULTIPLIER) && BITS_PER_LONG == 64 |
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501 | value64 *= 0x0101010101010101; |
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502 | #elif defined(ARCH_HAS_FAST_MULTIPLIER) |
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503 | value64 *= 0x01010101; |
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504 | value64 |= value64 << 32; |
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505 | #else |
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506 | value64 |= value64 << 8; |
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507 | value64 |= value64 << 16; |
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508 | value64 |= value64 << 32; |
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509 | #endif |
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510 | |||
511 | prefix = (unsigned long)start % 8; |
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512 | if (prefix) { |
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513 | u8 *r; |
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514 | |||
515 | prefix = 8 - prefix; |
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516 | r = check_bytes8(start, value, prefix); |
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517 | if (r) |
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518 | return r; |
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519 | start += prefix; |
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520 | bytes -= prefix; |
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521 | } |
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522 | |||
523 | words = bytes / 8; |
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524 | |||
525 | while (words) { |
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526 | if (*(u64 *)start != value64) |
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527 | return check_bytes8(start, value, 8); |
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528 | start += 8; |
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529 | words--; |
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530 | } |
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531 | |||
532 | return check_bytes8(start, value, bytes % 8); |
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533 | } |
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534 | |||
535 | int vscnprintf(char *buf, size_t size, const char *fmt, va_list args) |
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536 | { |
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537 | int i; |
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538 | |||
539 | i = vsnprintf(buf, size, fmt, args); |
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540 | |||
541 | if (likely(i < size)) |
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542 | return i; |
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543 | if (size != 0) |
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544 | return size - 1; |
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545 | return 0; |
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546 | } |
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547 | |||
548 | |||
549 | int scnprintf(char *buf, size_t size, const char *fmt, ...) |
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550 | { |
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551 | va_list args; |
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552 | int i; |
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553 | |||
554 | va_start(args, fmt); |
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555 | i = vscnprintf(buf, size, fmt, args); |
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556 | va_end(args); |
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557 | |||
558 | return i; |
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559 | } |
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560 | |||
561 | |||
562 | |||
563 | #define _U 0x01 /* upper */ |
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564 | #define _L 0x02 /* lower */ |
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565 | #define _D 0x04 /* digit */ |
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566 | #define _C 0x08 /* cntrl */ |
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567 | #define _P 0x10 /* punct */ |
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568 | #define _S 0x20 /* white space (space/lf/tab) */ |
||
569 | #define _X 0x40 /* hex digit */ |
||
570 | #define _SP 0x80 /* hard space (0x20) */ |
||
571 | |||
572 | extern const unsigned char _ctype[]; |
||
573 | |||
574 | #define __ismask(x) (_ctype[(int)(unsigned char)(x)]) |
||
575 | |||
576 | #define isalnum(c) ((__ismask(c)&(_U|_L|_D)) != 0) |
||
577 | #define isalpha(c) ((__ismask(c)&(_U|_L)) != 0) |
||
578 | #define iscntrl(c) ((__ismask(c)&(_C)) != 0) |
||
579 | #define isdigit(c) ((__ismask(c)&(_D)) != 0) |
||
580 | #define isgraph(c) ((__ismask(c)&(_P|_U|_L|_D)) != 0) |
||
581 | #define islower(c) ((__ismask(c)&(_L)) != 0) |
||
582 | #define isprint(c) ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0) |
||
583 | #define ispunct(c) ((__ismask(c)&(_P)) != 0) |
||
584 | /* Note: isspace() must return false for %NUL-terminator */ |
||
585 | #define isspace(c) ((__ismask(c)&(_S)) != 0) |
||
586 | #define isupper(c) ((__ismask(c)&(_U)) != 0) |
||
587 | #define isxdigit(c) ((__ismask(c)&(_D|_X)) != 0) |
||
588 | |||
589 | #define isascii(c) (((unsigned char)(c))<=0x7f) |
||
590 | #define toascii(c) (((unsigned char)(c))&0x7f) |
||
591 | |||
592 | |||
593 | |||
594 | //const char hex_asc[] = "0123456789abcdef"; |
||
595 | |||
596 | /** |
||
597 | * hex_to_bin - convert a hex digit to its real value |
||
598 | * @ch: ascii character represents hex digit |
||
599 | * |
||
600 | * hex_to_bin() converts one hex digit to its actual value or -1 in case of bad |
||
601 | * input. |
||
602 | */ |
||
603 | int hex_to_bin(char ch) |
||
604 | { |
||
605 | if ((ch >= '0') && (ch <= '9')) |
||
606 | return ch - '0'; |
||
607 | ch = tolower(ch); |
||
608 | if ((ch >= 'a') && (ch <= 'f')) |
||
609 | return ch - 'a' + 10; |
||
610 | return -1; |
||
611 | } |
||
612 | EXPORT_SYMBOL(hex_to_bin); |
||
613 | |||
614 | /** |
||
615 | * hex2bin - convert an ascii hexadecimal string to its binary representation |
||
616 | * @dst: binary result |
||
617 | * @src: ascii hexadecimal string |
||
618 | * @count: result length |
||
619 | * |
||
620 | * Return 0 on success, -1 in case of bad input. |
||
621 | */ |
||
622 | int hex2bin(u8 *dst, const char *src, size_t count) |
||
623 | { |
||
624 | while (count--) { |
||
625 | int hi = hex_to_bin(*src++); |
||
626 | int lo = hex_to_bin(*src++); |
||
627 | |||
628 | if ((hi < 0) || (lo < 0)) |
||
629 | return -1; |
||
630 | |||
631 | *dst++ = (hi << 4) | lo; |
||
632 | } |
||
633 | return 0; |
||
634 | } |
||
635 | EXPORT_SYMBOL(hex2bin); |
||
636 | |||
637 | /** |
||
638 | * hex_dump_to_buffer - convert a blob of data to "hex ASCII" in memory |
||
639 | * @buf: data blob to dump |
||
640 | * @len: number of bytes in the @buf |
||
641 | * @rowsize: number of bytes to print per line; must be 16 or 32 |
||
642 | * @groupsize: number of bytes to print at a time (1, 2, 4, 8; default = 1) |
||
643 | * @linebuf: where to put the converted data |
||
644 | * @linebuflen: total size of @linebuf, including space for terminating NUL |
||
645 | * @ascii: include ASCII after the hex output |
||
646 | * |
||
647 | * hex_dump_to_buffer() works on one "line" of output at a time, i.e., |
||
648 | * 16 or 32 bytes of input data converted to hex + ASCII output. |
||
649 | * |
||
650 | * Given a buffer of u8 data, hex_dump_to_buffer() converts the input data |
||
651 | * to a hex + ASCII dump at the supplied memory location. |
||
652 | * The converted output is always NUL-terminated. |
||
653 | * |
||
654 | * E.g.: |
||
655 | * hex_dump_to_buffer(frame->data, frame->len, 16, 1, |
||
656 | * linebuf, sizeof(linebuf), true); |
||
657 | * |
||
658 | * example output buffer: |
||
659 | * 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f @ABCDEFGHIJKLMNO |
||
660 | */ |
||
661 | void hex_dump_to_buffer(const void *buf, size_t len, int rowsize, |
||
662 | int groupsize, char *linebuf, size_t linebuflen, |
||
663 | bool ascii) |
||
664 | { |
||
665 | const u8 *ptr = buf; |
||
666 | u8 ch; |
||
667 | int j, lx = 0; |
||
668 | int ascii_column; |
||
669 | |||
670 | if (rowsize != 16 && rowsize != 32) |
||
671 | rowsize = 16; |
||
672 | |||
673 | if (!len) |
||
674 | goto nil; |
||
675 | if (len > rowsize) /* limit to one line at a time */ |
||
676 | len = rowsize; |
||
677 | if ((len % groupsize) != 0) /* no mixed size output */ |
||
678 | groupsize = 1; |
||
679 | |||
680 | switch (groupsize) { |
||
681 | case 8: { |
||
682 | const u64 *ptr8 = buf; |
||
683 | int ngroups = len / groupsize; |
||
684 | |||
685 | for (j = 0; j < ngroups; j++) |
||
686 | lx += scnprintf(linebuf + lx, linebuflen - lx, |
||
687 | "%s%16.16llx", j ? " " : "", |
||
688 | (unsigned long long)*(ptr8 + j)); |
||
689 | ascii_column = 17 * ngroups + 2; |
||
690 | break; |
||
691 | } |
||
692 | |||
693 | case 4: { |
||
694 | const u32 *ptr4 = buf; |
||
695 | int ngroups = len / groupsize; |
||
696 | |||
697 | for (j = 0; j < ngroups; j++) |
||
698 | lx += scnprintf(linebuf + lx, linebuflen - lx, |
||
699 | "%s%8.8x", j ? " " : "", *(ptr4 + j)); |
||
700 | ascii_column = 9 * ngroups + 2; |
||
701 | break; |
||
702 | } |
||
703 | |||
704 | case 2: { |
||
705 | const u16 *ptr2 = buf; |
||
706 | int ngroups = len / groupsize; |
||
707 | |||
708 | for (j = 0; j < ngroups; j++) |
||
709 | lx += scnprintf(linebuf + lx, linebuflen - lx, |
||
710 | "%s%4.4x", j ? " " : "", *(ptr2 + j)); |
||
711 | ascii_column = 5 * ngroups + 2; |
||
712 | break; |
||
713 | } |
||
714 | |||
715 | default: |
||
716 | for (j = 0; (j < len) && (lx + 3) <= linebuflen; j++) { |
||
717 | ch = ptr[j]; |
||
718 | linebuf[lx++] = hex_asc_hi(ch); |
||
719 | linebuf[lx++] = hex_asc_lo(ch); |
||
720 | linebuf[lx++] = ' '; |
||
721 | } |
||
722 | if (j) |
||
723 | lx--; |
||
724 | |||
725 | ascii_column = 3 * rowsize + 2; |
||
726 | break; |
||
727 | } |
||
728 | if (!ascii) |
||
729 | goto nil; |
||
730 | |||
731 | while (lx < (linebuflen - 1) && lx < (ascii_column - 1)) |
||
732 | linebuf[lx++] = ' '; |
||
733 | for (j = 0; (j < len) && (lx + 2) < linebuflen; j++) { |
||
734 | ch = ptr[j]; |
||
735 | linebuf[lx++] = (isascii(ch) && isprint(ch)) ? ch : '.'; |
||
736 | } |
||
737 | nil: |
||
738 | linebuf[lx++] = '\0'; |
||
739 | } |
||
740 | |||
741 | /** |
||
742 | * print_hex_dump - print a text hex dump to syslog for a binary blob of data |
||
743 | * @level: kernel log level (e.g. KERN_DEBUG) |
||
744 | * @prefix_str: string to prefix each line with; |
||
745 | * caller supplies trailing spaces for alignment if desired |
||
746 | * @prefix_type: controls whether prefix of an offset, address, or none |
||
747 | * is printed (%DUMP_PREFIX_OFFSET, %DUMP_PREFIX_ADDRESS, %DUMP_PREFIX_NONE) |
||
748 | * @rowsize: number of bytes to print per line; must be 16 or 32 |
||
749 | * @groupsize: number of bytes to print at a time (1, 2, 4, 8; default = 1) |
||
750 | * @buf: data blob to dump |
||
751 | * @len: number of bytes in the @buf |
||
752 | * @ascii: include ASCII after the hex output |
||
753 | * |
||
754 | * Given a buffer of u8 data, print_hex_dump() prints a hex + ASCII dump |
||
755 | * to the kernel log at the specified kernel log level, with an optional |
||
756 | * leading prefix. |
||
757 | * |
||
758 | * print_hex_dump() works on one "line" of output at a time, i.e., |
||
759 | * 16 or 32 bytes of input data converted to hex + ASCII output. |
||
760 | * print_hex_dump() iterates over the entire input @buf, breaking it into |
||
761 | * "line size" chunks to format and print. |
||
762 | * |
||
763 | * E.g.: |
||
764 | * print_hex_dump(KERN_DEBUG, "raw data: ", DUMP_PREFIX_ADDRESS, |
||
765 | * 16, 1, frame->data, frame->len, true); |
||
766 | * |
||
767 | * Example output using %DUMP_PREFIX_OFFSET and 1-byte mode: |
||
768 | * 0009ab42: 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f @ABCDEFGHIJKLMNO |
||
769 | * Example output using %DUMP_PREFIX_ADDRESS and 4-byte mode: |
||
770 | * ffffffff88089af0: 73727170 77767574 7b7a7978 7f7e7d7c pqrstuvwxyz{|}~. |
||
771 | */ |
||
772 | void print_hex_dump(const char *level, const char *prefix_str, int prefix_type, |
||
773 | int rowsize, int groupsize, |
||
774 | const void *buf, size_t len, bool ascii) |
||
775 | { |
||
776 | const u8 *ptr = buf; |
||
777 | int i, linelen, remaining = len; |
||
778 | unsigned char linebuf[32 * 3 + 2 + 32 + 1]; |
||
779 | |||
780 | if (rowsize != 16 && rowsize != 32) |
||
781 | rowsize = 16; |
||
782 | |||
783 | for (i = 0; i < len; i += rowsize) { |
||
784 | linelen = min(remaining, rowsize); |
||
785 | remaining -= rowsize; |
||
786 | |||
787 | hex_dump_to_buffer(ptr + i, linelen, rowsize, groupsize, |
||
788 | linebuf, sizeof(linebuf), ascii); |
||
789 | |||
790 | switch (prefix_type) { |
||
791 | case DUMP_PREFIX_ADDRESS: |
||
792 | printk("%s%s%p: %s\n", |
||
793 | level, prefix_str, ptr + i, linebuf); |
||
794 | break; |
||
795 | case DUMP_PREFIX_OFFSET: |
||
796 | printk("%s%s%.8x: %s\n", level, prefix_str, i, linebuf); |
||
797 | break; |
||
798 | default: |
||
799 | printk("%s%s%s\n", level, prefix_str, linebuf); |
||
800 | break; |
||
801 | } |
||
802 | } |
||
803 | } |
||
804 | |||
805 | void print_hex_dump_bytes(const char *prefix_str, int prefix_type, |
||
806 | const void *buf, size_t len) |
||
807 | { |
||
808 | print_hex_dump(KERN_DEBUG, prefix_str, prefix_type, 16, 1, |
||
809 | buf, len, true); |
||
810 | }>>>>>=>>>>>><>>>=>=>=0x7f) |
||
811 | |||
812 |