diff options
Diffstat (limited to 'drivers/s390/char/hmcdrv_ftp.h')
-rw-r--r-- | drivers/s390/char/hmcdrv_ftp.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/s390/char/hmcdrv_ftp.h b/drivers/s390/char/hmcdrv_ftp.h new file mode 100644 index 00000000000..f3643a7b367 --- /dev/null +++ b/drivers/s390/char/hmcdrv_ftp.h @@ -0,0 +1,63 @@ +/* + * SE/HMC Drive FTP Services + * + * Copyright IBM Corp. 2013 + * Author(s): Ralf Hoppe (rhoppe@de.ibm.com) + */ + +#ifndef __HMCDRV_FTP_H__ +#define __HMCDRV_FTP_H__ + +#include <linux/types.h> /* size_t, loff_t */ + +/* + * HMC drive FTP Service max. length of path (w/ EOS) + */ +#define HMCDRV_FTP_FIDENT_MAX 192 + +/** + * enum hmcdrv_ftp_cmdid - HMC drive FTP commands + * @HMCDRV_FTP_NOOP: do nothing (only for probing) + * @HMCDRV_FTP_GET: read a file + * @HMCDRV_FTP_PUT: (over-) write a file + * @HMCDRV_FTP_APPEND: append to a file + * @HMCDRV_FTP_DIR: list directory long (ls -l) + * @HMCDRV_FTP_NLIST: list files, no directories (name list) + * @HMCDRV_FTP_DELETE: delete a file + * @HMCDRV_FTP_CANCEL: cancel operation (SCLP/LPAR only) + */ +enum hmcdrv_ftp_cmdid { + HMCDRV_FTP_NOOP = 0, + HMCDRV_FTP_GET = 1, + HMCDRV_FTP_PUT = 2, + HMCDRV_FTP_APPEND = 3, + HMCDRV_FTP_DIR = 4, + HMCDRV_FTP_NLIST = 5, + HMCDRV_FTP_DELETE = 6, + HMCDRV_FTP_CANCEL = 7 +}; + +/** + * struct hmcdrv_ftp_cmdspec - FTP command specification + * @id: FTP command ID + * @ofs: offset in file + * @fname: filename (ASCII), null-terminated + * @buf: kernel-space transfer data buffer, 4k aligned + * @len: (max) number of bytes to transfer from/to @buf + */ +struct hmcdrv_ftp_cmdspec { + enum hmcdrv_ftp_cmdid id; + loff_t ofs; + const char *fname; + void __kernel *buf; + size_t len; +}; + +int hmcdrv_ftp_startup(void); +void hmcdrv_ftp_shutdown(void); +int hmcdrv_ftp_probe(void); +ssize_t hmcdrv_ftp_do(const struct hmcdrv_ftp_cmdspec *ftp); +ssize_t hmcdrv_ftp_cmd(char __kernel *cmd, loff_t offset, + char __user *buf, size_t len); + +#endif /* __HMCDRV_FTP_H__ */ |