Mercurial > archived > louis > epitech > mq > rathaxes
annotate rathaxes_start_to_implement_pci_stuff_in_the_lkm.patch @ 30:b4ca25b88690
Finish patches on the CMake library and on #includes
| author | Louis Opter <louis@lse.epitech.net> |
|---|---|
| date | Sat, 07 Jan 2012 21:11:13 +0100 |
| parents | 65523c345b40 |
| children |
| rev | line source |
|---|---|
| 4 | 1 # HG changeset patch |
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2 # Parent 6e00628ccba9fd82577a8a30fe4e730bc982e987 |
| 4 | 3 rathaxes: start to implement the PCI registration part in the LKM sample |
| 4 | |
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5 diff -r 6e00628ccba9 rathaxes/samples/lkm/CMakeLists.txt |
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6 --- a/rathaxes/samples/lkm/CMakeLists.txt Sat Jan 07 19:07:39 2012 +0100 |
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7 +++ b/rathaxes/samples/lkm/CMakeLists.txt Sat Jan 07 19:10:21 2012 +0100 |
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8 @@ -1,3 +1,7 @@ |
| 4 | 9 ADD_RATHAXES_SOURCES(lkm lkm.rtx |
| 10 - RTI log.rti lkm.rti | |
| 11 - BLT log.blt lkm.blt) | |
| 12 + RTI log.rti lkm.rti pci.rti | |
| 13 + BLT log.blt lkm.blt pci.blt) | |
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14 + |
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15 +# We can't name lkm since it's already used as the target name to generate the |
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16 +# source (with ADD_RATHAXES_SOURCES). |
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17 +ADD_RATHAXES_LKM(lkm_hello lkm) |
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18 diff -r 6e00628ccba9 rathaxes/samples/lkm/lkm.blt |
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19 --- a/rathaxes/samples/lkm/lkm.blt Sat Jan 07 19:07:39 2012 +0100 |
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20 +++ b/rathaxes/samples/lkm/lkm.blt Sat Jan 07 19:10:21 2012 +0100 |
| 5 | 21 @@ -1,8 +1,10 @@ |
| 4 | 22 with LKM |
| 23 { | |
| 5 | 24 + /* Skel of the generated C file: */ |
| 4 | 25 ${pointcut LKM::includes}; |
| 26 - ${pointcut LKM::init}; | |
| 27 - ${pointcut LKM::exit}; | |
| 5 | 28 + ${pointcut LKM::prototypes}; |
| 4 | 29 + ${pointcut LKM::data}; |
| 30 + ${pointcut LKM::code}; | |
| 31 | |
| 32 template sequence LKM::init() | |
| 33 { | |
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34 @@ -10,22 +12,29 @@ |
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35 { |
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36 #include <linux/module.h> |
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37 #include <linux/kernel.h> |
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38 - typedef int lkm_headers_include_stamp; |
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39 |
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40 + typedef int include_linux_module_stamp; |
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41 + typedef int include_linux_kernel_stamp; |
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42 + } |
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43 + |
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44 + chunk LKM::data() |
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45 + { |
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46 MODULE_DESCRIPTION(${config.description}); |
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47 MODULE_AUTHOR(${config.author}); |
| 4 | 48 MODULE_LICENSE(${config.license}); |
| 49 } | |
| 50 | |
| 51 - chunk LKM::init() | |
| 52 + chunk LKM::code() | |
| 53 { | |
| 54 /* | |
| 55 * Rathaxes doesn't yet support arbitrary "decorators" like __init | |
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56 * or __exit. |
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57 */ |
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58 - static int __attribute__((__section__(.init.text))) rtx_module_init(void) |
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59 + static int __attribute__((__section__(".init.text"))) rtx_module_init(void) |
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60 { |
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61 ${pointcut ::IMPLEMENTATION}; |
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62 + |
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63 + return 0; |
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64 } |
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65 |
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66 module_init(rtx_module_init); |
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67 @@ -34,14 +43,14 @@ |
| 4 | 68 |
| 69 template sequence LKM::exit() | |
| 70 { | |
| 71 - chunk LKM::exit | |
| 72 + chunk LKM::code() | |
| 73 { | |
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74 - static void __attribute((__section__(.exit.text))) rtx_module_exit(void) |
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75 + static void __attribute__((__section__(".exit.text"))) rtx_module_exit(void) |
| 4 | 76 { |
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77 ${pointcut ::IMPLEMENTATION}; |
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78 } |
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79 |
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80 - module_exit(rtx_module_init); |
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81 + module_exit(rtx_module_exit); |
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82 } |
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83 } |
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84 } |
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85 diff -r 6e00628ccba9 rathaxes/samples/lkm/lkm.rti |
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86 --- a/rathaxes/samples/lkm/lkm.rti Sat Jan 07 19:07:39 2012 +0100 |
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87 +++ b/rathaxes/samples/lkm/lkm.rti Sat Jan 07 19:10:21 2012 +0100 |
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88 @@ -1,8 +1,10 @@ |
| 4 | 89 interface LKM |
| 90 { | |
| 91 provided pointcut LKM::includes; | |
| 92 - provided pointcut LKM::init; | |
| 93 - provided pointcut LKM::exit; | |
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94 + /* maybe it should be possible to use chunk ::decl in sequence templates? */ |
| 5 | 95 + provided pointcut LKM::prototypes; |
| 4 | 96 + provided pointcut LKM::data; |
| 97 + provided pointcut LKM::code; | |
| 98 | |
| 99 required variable ::string LKM::author; | |
| 100 required variable ::string LKM::description; | |
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101 @@ -11,11 +13,11 @@ |
| 4 | 102 required sequence LKM::init() |
| 103 { | |
| 104 provided chunk LKM::includes; | |
| 105 - provided chunk LKM::init; | |
| 106 + provided chunk LKM::code; | |
| 107 } | |
| 108 | |
| 109 required sequence LKM::exit() | |
| 110 { | |
| 111 - provided chunk LKM::exit; | |
| 112 + provided chunk LKM::code; | |
| 113 } | |
| 114 } | |
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115 diff -r 6e00628ccba9 rathaxes/samples/lkm/lkm.rtx |
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116 --- a/rathaxes/samples/lkm/lkm.rtx Sat Jan 07 19:07:39 2012 +0100 |
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117 +++ b/rathaxes/samples/lkm/lkm.rtx Sat Jan 07 19:10:21 2012 +0100 |
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118 @@ -1,19 +1,35 @@ |
| 4 | 119 -device LKM use LKM, Log |
| 120 +device LKM use LKM, PCI, Log | |
| 121 { | |
| 122 + PCI::probe(PCI::Device dev) | |
| 123 + { | |
| 124 + | |
| 125 + } | |
| 126 + | |
| 127 + PCI::remove(PCI::Device dev) | |
| 128 + { | |
| 129 + | |
| 130 + } | |
| 131 + | |
| 132 LKM::init() | |
| 133 { | |
| 134 Log::info("Hello this is LKM"); | |
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135 + PCI::register(); |
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136 } |
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137 |
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138 LKM::exit() |
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139 { |
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140 Log::info("Good bye this was LKM"); |
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141 + PCI::unregister(); |
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142 } |
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143 } |
| 4 | 144 |
| 145 configuration | |
| 146 { | |
| 147 + LKM::name = "hello"; | |
| 148 LKM::author = "Rathaxes"; | |
| 149 LKM::description = "Hello World Loadable Kernel Module (LKM)"; | |
| 150 LKM::license = "BSD"; | |
| 5 | 151 + |
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152 + PCI::vendor_id = 0x8086; |
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153 + PCI::product_id = 0x100f; |
| 5 | 154 } |
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155 diff -r 6e00628ccba9 rathaxes/samples/lkm/pci.blt |
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156 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 |
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157 +++ b/rathaxes/samples/lkm/pci.blt Sat Jan 07 19:10:21 2012 +0100 |
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158 @@ -0,0 +1,127 @@ |
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159 +with PCI, LKM, Log |
| 4 | 160 +{ |
| 161 + template type PCI::Device() | |
| 162 + { | |
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163 + chunk LKM::includes() |
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164 + { |
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165 + #include <linux/pci.h> |
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166 + |
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167 + typedef int include_linux_pci_stamp; |
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168 + } |
| 4 | 169 + |
| 170 + chunk ::decl() | |
| 171 + { | |
| 172 + struct rtx_pci_device | |
| 173 + { | |
| 174 + struct pci_dev *pci_dev; | |
| 175 + }; | |
| 176 + } | |
| 177 + | |
| 178 + chunk ::init(pci_dev) | |
| 179 + { | |
| 180 + ${self}.pci_dev = pci_dev; | |
| 181 + } | |
| 182 + | |
| 183 + map | |
| 184 + { | |
| 185 + } | |
| 186 + } | |
| 187 + | |
| 188 + template sequence PCI::probe(PCI::Device dev) | |
| 189 + { | |
| 5 | 190 + chunk LKM::prototypes() |
| 191 + { | |
| 192 + static int /* __devinit */ rtx_pci_probe(struct pci_dev *, | |
| 193 + const struct pci_device_id *); | |
| 194 + } | |
| 195 + | |
| 4 | 196 + chunk LKM::code() |
| 197 + { | |
| 198 + static int /* __devinit */ rtx_pci_probe(struct pci_dev *pdev, | |
| 199 + const struct pci_device_id *pdev_id) | |
| 200 + { | |
| 201 + /* workaround for CNorm __std__ dialect, shouldn't be here */ | |
| 202 + typedef int ${PCI::Device}; | |
| 203 + | |
| 204 + int err; | |
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205 + ${PCI::Device} *dev = NULL; |
| 4 | 206 + |
| 207 + err = pci_enable_device(pdev); | |
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208 + if (err < 0) |
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209 + goto fail; |
| 4 | 210 + |
| 211 + ${pointcut ::IMPLEMENTATION}; | |
| 212 + | |
| 213 + pci_set_drvdata(pdev, dev); | |
| 214 + | |
| 215 + return 0; | |
| 216 + | |
| 217 + fail: | |
| 218 + return err; | |
| 219 + } | |
| 220 + } | |
| 221 + } | |
| 222 + | |
| 223 + template sequence PCI::remove(PCI::Device dev) | |
| 224 + { | |
| 5 | 225 + chunk LKM::prototypes() |
| 226 + { | |
| 227 + static void rtx_pci_remove(struct pci_dev *); | |
| 228 + } | |
| 229 + | |
| 4 | 230 + chunk LKM::code() |
| 231 + { | |
| 232 + static void rtx_pci_remove(struct pci_dev *pdev) | |
| 233 + { | |
| 234 + pci_disable_device(pdev); | |
| 235 + | |
| 236 + ${pointcut ::IMPLEMENTATION}; | |
| 237 + } | |
| 238 + } | |
| 239 + } | |
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240 + |
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241 + template sequence PCI::register() |
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242 + { |
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243 + chunk LKM::data() |
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244 + { |
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245 + /* |
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246 + * CNorm doesn't seem to like "dynamic" arrays (i.e: you always |
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247 + * have to specify the exact size). |
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248 + */ |
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249 + static struct pci_device_id rtx_pci_device_table[2] = { |
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250 + { ${config.vendor_id}, ${config.product_id}, 0, PCI_ANY_ID, PCI_ANY_ID }, |
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251 + { 0, } |
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252 + }; |
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253 + |
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254 + static struct pci_driver rtx_pci_driver = { |
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255 + .name = ${config.name}, |
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256 + .id_table = rtx_pci_device_table, |
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257 + .probe = rtx_pci_probe, |
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258 + .remove = rtx_pci_remove |
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259 + }; |
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260 + } |
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261 + |
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262 + chunk ::CALL |
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263 + { |
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264 + /* |
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265 + * So how do we use the return value in the parent context? |
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266 + */ |
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267 + int error; |
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268 + if ((error = pci_register_driver(&rtx_pci_driver))) |
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269 + { |
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270 + ${Log::info("Cannot register pci driver")}; |
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271 + // should we return here. |
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272 + // error managmement procedure has to be determined ASAP. |
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273 + return error; |
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274 + } |
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275 + } |
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276 + } |
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277 + |
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278 + template sequence PCI::unregister() |
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279 + { |
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280 + chunk ::CALL |
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281 + { |
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282 + pci_unregister_driver(&rtx_pci_driver); |
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283 + } |
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284 + } |
| 4 | 285 +} |
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286 diff -r 6e00628ccba9 rathaxes/samples/lkm/pci.rti |
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287 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 |
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288 +++ b/rathaxes/samples/lkm/pci.rti Sat Jan 07 19:10:21 2012 +0100 |
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289 @@ -0,0 +1,30 @@ |
| 4 | 290 +interface PCI : LKM |
| 291 +{ | |
| 292 + provided type PCI::Device; | |
| 293 + | |
| 5 | 294 + required variable ::number PCI::vendor_id; |
| 295 + required variable ::number PCI::product_id; | |
| 296 + | |
| 4 | 297 + provided sequence PCI::register() |
| 298 + { | |
| 299 + provided chunk ::CALL; | |
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300 + provided chunk LKM::data; |
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301 + } |
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302 + |
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303 + provided sequence PCI::unregister() |
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304 + { |
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305 + provided chunk ::CALL; |
| 4 | 306 + } |
| 307 + | |
| 308 + required sequence PCI::probe(PCI::Device) | |
| 309 + { | |
| 5 | 310 + provided chunk LKM::prototypes; |
| 4 | 311 + provided chunk LKM::code; |
| 312 + } | |
| 313 + | |
| 314 + required sequence PCI::remove(PCI::Device) | |
| 315 + { | |
| 5 | 316 + provided chunk LKM::prototypes; |
| 4 | 317 + provided chunk LKM::code; |
| 318 + } | |
| 319 +} |