| 1 | #include "vmc.h"
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| 2 |
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| 3 |
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| 4 | // Driver fonctions
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| 5 |
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| 6 | #define MODNAME "vmc_fs"
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| 7 | IRX_ID ( MODNAME, 1, 2 );
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| 8 |
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| 9 |
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| 10 | // Static variables.
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| 11 | static iop_device_t s_Vmc_Driver;
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| 12 | static iop_device_ops_t s_Vmc_Functions;
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| 13 |
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| 14 | // Global variables.
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| 15 | struct global_vmc g_Vmc_Image[ 2 ];
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| 16 | int g_Vmc_Remove_Flag;
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| 17 | int g_Vmc_Initialized;
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| 18 |
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| 19 | //----------------------------------------------------------------------------
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| 20 | // Initialize vmc driver
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| 21 | //----------------------------------------------------------------------------
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| 22 | int Vmc_Initialize ( iop_device_t * driver )
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| 23 | {
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| 24 |
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| 25 | if ( g_Vmc_Initialized )
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| 26 | return VMCFS_ERR_NO;
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| 27 |
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| 28 | g_Vmc_Initialized = TRUE;
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| 29 |
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| 30 | // init the global file descriptor to something negative ( ubergeek like 42, and polo like 35 so - 4235 )
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| 31 | g_Vmc_Image[ 0 ].fd = -4235;
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| 32 | g_Vmc_Image[ 1 ].fd = -4235;
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| 33 |
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| 34 | DEBUGPRINT ( 1, "vmcfs: Filesystem Driver Initialized\n" );
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| 35 |
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| 36 | return VMCFS_ERR_NO;
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| 37 | }
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| 38 |
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| 39 |
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| 40 | //----------------------------------------------------------------------------
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| 41 | // Deinitialize vmc driver
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| 42 | //----------------------------------------------------------------------------
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| 43 | int Vmc_Deinitialize ( iop_device_t * driver )
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| 44 | {
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| 45 |
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| 46 | int i = 0;
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| 47 |
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| 48 | if ( !g_Vmc_Initialized )
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| 49 | return VMCFS_ERR_INITIALIZED;
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| 50 |
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| 51 | g_Vmc_Initialized = FALSE;
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| 52 |
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| 53 | for ( i = 0; i < 2; i++ )
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| 54 | {
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| 55 |
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| 56 | if( g_Vmc_Image[ i ].fd >=0 )
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| 57 | {
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| 58 |
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| 59 | close ( g_Vmc_Image[ i ].fd );
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| 60 |
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| 61 | }
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| 62 |
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| 63 | }
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| 64 |
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| 65 | DEBUGPRINT ( 1, "vmcfs: Filesystem Driver Deinitialized\n" );
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| 66 |
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| 67 | return VMCFS_ERR_NO;
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| 68 |
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| 69 | }
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| 70 |
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| 71 | // Entry point of the driver.
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| 72 | int _start ( int argc, char* * argv )
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| 73 | {
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| 74 |
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| 75 | printf ( "vmcfs: Created by ubergeek42\n" );
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| 76 | printf ( "vmcfs: ... Improved by Polo35.\n" );
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| 77 | printf ( "vmcfs: Version 1.2\n" );
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| 78 |
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| 79 | g_Vmc_Initialized = FALSE;
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| 80 | g_Vmc_Remove_Flag = FALSE;
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| 81 |
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| 82 | s_Vmc_Driver.type = (IOP_DT_FS | IOP_DT_FSEXT);
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| 83 | s_Vmc_Driver.version = 1;
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| 84 | s_Vmc_Driver.name = "vmc"; // the name used to access this device ( eg: vmc0: / )
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| 85 | s_Vmc_Driver.desc = "Virtual Memory Card s_Vmc_Driver";
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| 86 | s_Vmc_Driver.ops = &s_Vmc_Functions;
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| 87 |
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| 88 | // Typecasting to ( void* ) eliminates a bunch of warnings.
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| 89 | s_Vmc_Functions.init = Vmc_Initialize;
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| 90 | s_Vmc_Functions.deinit = Vmc_Deinitialize;
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| 91 | s_Vmc_Functions.format = Vmc_Format;
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| 92 | s_Vmc_Functions.open = Vmc_Open;
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| 93 | s_Vmc_Functions.close = Vmc_Close;
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| 94 | s_Vmc_Functions.read = Vmc_Read;
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| 95 | s_Vmc_Functions.write = Vmc_Write;
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| 96 | s_Vmc_Functions.lseek = Vmc_Lseek;
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| 97 | s_Vmc_Functions.ioctl = Vmc_Ioctl;
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| 98 | s_Vmc_Functions.remove = Vmc_Remove;
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| 99 | s_Vmc_Functions.mkdir = Vmc_Mkdir;
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| 100 | s_Vmc_Functions.rmdir = Vmc_Rmdir;
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| 101 | s_Vmc_Functions.dopen = Vmc_Dopen;
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| 102 | s_Vmc_Functions.dclose = Vmc_Dclose;
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| 103 | s_Vmc_Functions.dread = Vmc_Dread;
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| 104 | s_Vmc_Functions.getstat = Vmc_Getstat;
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| 105 | s_Vmc_Functions.chstat = Vmc_Chstat;
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| 106 | /* Extended ops start here. */
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| 107 | s_Vmc_Functions.rename = Vmc_Rename;
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| 108 | s_Vmc_Functions.chdir = Vmc_Chdir;
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| 109 | s_Vmc_Functions.sync = Vmc_Sync;
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| 110 | s_Vmc_Functions.mount = Vmc_Mount;
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| 111 | s_Vmc_Functions.umount = Vmc_Umount;
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| 112 | s_Vmc_Functions.lseek64 = Vmc_Lseek64;
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| 113 | s_Vmc_Functions.devctl = Vmc_Devctl;
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| 114 | s_Vmc_Functions.symlink = Vmc_Symlink;
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| 115 | s_Vmc_Functions.readlink = Vmc_Readlink;
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| 116 | s_Vmc_Functions.ioctl2 = Vmc_Ioctl2;
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| 117 |
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| 118 |
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| 119 | // Add the Driver using the ioman export
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| 120 | DelDrv ( s_Vmc_Driver.name );
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| 121 | AddDrv ( &s_Vmc_Driver );
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| 122 |
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| 123 | // And we are done!
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| 124 | DEBUGPRINT ( 1, "vmcfs: Filesystem Driver %s added!\n", s_Vmc_Driver.name );
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| 125 |
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| 126 | return 0;
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| 127 |
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| 128 | }
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