fpgafs/fpgafs.h
ben 11248b2a79 add cmd and stat into lldrv structure
git-svn-id: svn+ssh://en.codiert.org/home/staff/ben/dev/misc.svn/projects/fpgafs@418 766a2236-cff9-0310-b0c0-a81a5f92509a
2007-09-23 12:31:38 +00:00

80 lines
2.4 KiB
C

/*********************************************
* Benjamin Krill <ben@codiert.org>
*********************************************/
#ifndef FPGAFS_H
#define FPGAFS_H
#include <linux/kref.h>
#include <linux/mutex.h>
#include <linux/spinlock.h>
#include <linux/fs.h>
/* magic number the file system */
enum {
FPGAFS_MAGIC = 0x4255AA42,
};
struct fpga_context {
char *load_buf;
unsigned int lldrv;
int bla;
};
struct fpgafs_inode_info {
struct fpga_context *i_ctx;
struct inode vfs_inode;
};
extern struct tree_descr fpgafs_dir_contents[];
#define FPGAFS_I(inode) \
container_of(inode, struct fpgafs_inode_info, vfs_inode)
/* command definitions */
#define BLA 0
/* low level driver */
struct fpgafs_lldrv {
char name[5];
int (*init) (void);
int (*exit) (void);
int (*send) (struct fpga_context *ctx, const char __user *buf, int len);
int (*recv) (struct fpga_context *ctx, unsigned char *buf, int len);
int (*cmd) (struct fpga_context *ctx, const char __user *buf, int len);
int (*stat) (struct fpga_context *ctx, unsigned char *buf, int len);
int (*read_load) (struct fpga_context *ctx, unsigned char *buf, int len);
int (*write_load) (struct fpga_context *ctx, const char __user *buf, int len);
};
int fpgafs_register_lldrv(struct fpgafs_lldrv *drv);
int fpgafs_unregister_lldrv(struct fpgafs_lldrv *drv);
ssize_t fpgafs_send_data(struct file *file, const char __user *buf,
size_t len, loff_t *pos);
ssize_t fpgafs_recv_data(struct file *file, char __user *buf,
size_t len, loff_t *pos);
ssize_t fpgafs_write_load(struct file *file, const char __user *buf,
size_t len, loff_t *pos);
ssize_t fpgafs_read_load(struct file *file, char __user *buf,
size_t len, loff_t *pos);
ssize_t fpgafs_write_lldrv(struct file *file, const char __user *buf,
size_t len, loff_t *pos);
ssize_t fpgafs_read_lldrv(struct file *file, char __user *buf,
size_t len, loff_t *pos);
ssize_t fpgafs_read_stat(struct file *file, char __user *buf,
size_t len, loff_t *pos);
ssize_t fpgafs_write_cmd(struct file *file, const char __user *buf,
size_t len, loff_t *pos);
struct fpga_context* alloc_fpga_context(void);
void free_fpga_context(struct fpga_context *ctx);
#endif /* FPGAFS_H */