static int lfdd_ioctl( struct file *file
, unsigned int cmd, unsigned long arg ) {
struct lfdd_pci_t lfdd_pci_data;
struct lfdd_mem_t lfdd_mem_data;
struct lfdd_io_t lfdd_io_data;
void __user *argp = (void __user *)arg;
switch( cmd ) {
//
// PCI Functions
//
case LFDD_PCI_READ_256BYTE:
if( copy_from_user( &lfdd_pci_data, argp, sizeof( struct lfdd_pci_t ) ) ) {
return -EFAULT;
}
memset( lfdd_pci_data.mass_buf, 0, LFDD_MASSBUF_SIZE );
lfdd_pci_read_256byte( &lfdd_pci_data );
return copy_to_user( argp, &lfdd_pci_data, sizeof( struct lfdd_pci_t ) );
case LFDD_PCI_READ_BYTE:
LFDD_PCI_READ( lfdd_pci_read_byte, lfdd_pci_data );
case LFDD_PCI_READ_WORD:
LFDD_PCI_READ( lfdd_pci_read_word, lfdd_pci_data );
case LFDD_PCI_READ_DWORD:
LFDD_PCI_READ( lfdd_pci_read_dword, lfdd_pci_data );
case LFDD_PCI_WRITE_BYTE:
LFDD_PCI_WRITE( lfdd_pci_write_byte, lfdd_pci_data );
case LFDD_PCI_WRITE_WORD:
LFDD_PCI_WRITE( lfdd_pci_write_word, lfdd_pci_data );
case LFDD_PCI_WRITE_DWORD:
LFDD_PCI_WRITE( lfdd_pci_write_dword, lfdd_pci_data );
//
// Memory Functions
//
case LFDD_MEM_READ_256BYTE:
if( copy_from_user( &lfdd_mem_data, argp, sizeof( struct lfdd_mem_t ) ) ) {
return -EFAULT;
}
memset( lfdd_mem_data.mass_buf, 0, LFDD_MASSBUF_SIZE );
lfdd_mem_read_256byte( &lfdd_mem_data );
return copy_to_user( argp, &lfdd_mem_data, sizeof( struct lfdd_mem_t ) );
case LFDD_MEM_READ_BYTE:
LFDD_MEM_READ( lfdd_mem_read_byte, lfdd_mem_data );
case LFDD_MEM_READ_WORD:
LFDD_MEM_READ( lfdd_mem_read_word, lfdd_mem_data );
case LFDD_MEM_READ_DWORD:
LFDD_MEM_READ( lfdd_mem_read_dword, lfdd_mem_data );
case LFDD_MEM_WRITE_BYTE:
LFDD_MEM_WRITE( lfdd_mem_write_byte, lfdd_mem_data );
case LFDD_MEM_WRITE_WORD:
LFDD_MEM_WRITE( lfdd_mem_write_word, lfdd_mem_data );
case LFDD_MEM_WRITE_DWORD:
LFDD_MEM_WRITE( lfdd_mem_write_dword, lfdd_mem_data );
//
// IO Functions
//
case LFDD_IO_READ_256BYTE:
if( copy_from_user( &lfdd_io_data, argp, sizeof( struct lfdd_io_t ) ) ) {
return -EFAULT;
}
memset( lfdd_io_data.mass_buf, 0, LFDD_MASSBUF_SIZE );
lfdd_io_read_256byte( &lfdd_io_data );
return copy_to_user( argp, &lfdd_io_data, sizeof( struct lfdd_io_t ) );
case LFDD_IO_WRITE_BYTE:
LFDD_MEM_WRITE( lfdd_io_write_byte, lfdd_io_data );
case LFDD_IO_READ_BYTE:
LFDD_MEM_READ( lfdd_io_read_byte, lfdd_io_data );
}
return -EINVAL;
}
static long lfdd_ioctl( struct file *file
, unsigned int cmd, unsigned long arg ) {
struct lfdd_pci_t lfdd_pci_data;
struct lfdd_mem_t lfdd_mem_data;
struct lfdd_io_t lfdd_io_data;
void __user *argp = (void __user *)arg;
printk( KERN_INFO "C1\n" );
switch( cmd ) {
//
// PCI Functions
//
case LFDD_PCI_READ_256BYTE:
printk( KERN_INFO "C3\n" );
if( copy_from_user( &lfdd_pci_data, argp, sizeof( struct lfdd_pci_t ) ) ) {
printk( KERN_INFO "C2\n" );
return -EFAULT;
}
memset( lfdd_pci_data.mass_buf, 0, LFDD_MASSBUF_SIZE );
lfdd_pci_read_256byte( &lfdd_pci_data );
return copy_to_user( argp, &lfdd_pci_data, sizeof( struct lfdd_pci_t ) );
case LFDD_PCI_READ_BYTE:
printk( KERN_INFO "C4\n" );
LFDD_PCI_READ( lfdd_pci_read_byte, lfdd_pci_data );
case LFDD_PCI_READ_WORD:
printk( KERN_INFO "C5\n" );
LFDD_PCI_READ( lfdd_pci_read_word, lfdd_pci_data );
case LFDD_PCI_READ_DWORD:
printk( KERN_INFO "C6\n" );
LFDD_PCI_READ( lfdd_pci_read_dword, lfdd_pci_data );
case LFDD_PCI_WRITE_BYTE:
printk( KERN_INFO "C7\n" );
LFDD_PCI_WRITE( lfdd_pci_write_byte, lfdd_pci_data );
case LFDD_PCI_WRITE_WORD:
printk( KERN_INFO "C8\n" );
LFDD_PCI_WRITE( lfdd_pci_write_word, lfdd_pci_data );
case LFDD_PCI_WRITE_DWORD:
printk( KERN_INFO "C9\n" );
LFDD_PCI_WRITE( lfdd_pci_write_dword, lfdd_pci_data );
//
// Memory Functions
//
case LFDD_MEM_READ_256BYTE:
printk( KERN_INFO "C10\n" );
if( copy_from_user( &lfdd_mem_data, argp, sizeof( struct lfdd_mem_t ) ) ) {
printk( KERN_INFO "C11\n" );
return -EFAULT;
}
memset( lfdd_mem_data.mass_buf, 0, LFDD_MASSBUF_SIZE );
lfdd_mem_read_256byte( &lfdd_mem_data );
printk( KERN_INFO "C12\n" );
return copy_to_user( argp, &lfdd_mem_data, sizeof( struct lfdd_mem_t ) );
case LFDD_MEM_READ_BYTE:
printk( KERN_INFO "C13\n" );
LFDD_MEM_READ( lfdd_mem_read_byte, lfdd_mem_data );
case LFDD_MEM_READ_WORD:
printk( KERN_INFO "C14\n" );
LFDD_MEM_READ( lfdd_mem_read_word, lfdd_mem_data );
case LFDD_MEM_READ_DWORD:
LFDD_MEM_READ( lfdd_mem_read_dword, lfdd_mem_data );
case LFDD_MEM_WRITE_BYTE:
LFDD_MEM_WRITE( lfdd_mem_write_byte, lfdd_mem_data );
case LFDD_MEM_WRITE_WORD:
LFDD_MEM_WRITE( lfdd_mem_write_word, lfdd_mem_data );
case LFDD_MEM_WRITE_DWORD:
LFDD_MEM_WRITE( lfdd_mem_write_dword, lfdd_mem_data );
//
// IO Functions
//
case LFDD_IO_READ_256BYTE:
printk( KERN_INFO "C15\n" );
if( copy_from_user( &lfdd_io_data, argp, sizeof( struct lfdd_io_t ) ) ) {
printk( KERN_INFO "C16\n" );
return -EFAULT;
}
memset( lfdd_io_data.mass_buf, 0, LFDD_MASSBUF_SIZE );
lfdd_io_read_256byte( &lfdd_io_data );
return copy_to_user( argp, &lfdd_io_data, sizeof( struct lfdd_io_t ) );
case LFDD_IO_WRITE_BYTE:
LFDD_MEM_WRITE( lfdd_io_write_byte, lfdd_io_data );
case LFDD_IO_READ_BYTE:
LFDD_MEM_READ( lfdd_io_read_byte, lfdd_io_data );
}
printk( KERN_INFO "C17\n" );
return -EINVAL;
}