65 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| /*
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|  *    SE/HMC Drive FTP Services
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|  *
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|  *    Copyright IBM Corp. 2013
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|  *    Author(s): Ralf Hoppe (rhoppe@de.ibm.com)
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|  */
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| 
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| #ifndef __HMCDRV_FTP_H__
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| #define __HMCDRV_FTP_H__
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| 
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| #include <linux/types.h> /* size_t, loff_t */
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| 
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| /*
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|  * HMC drive FTP Service max. length of path (w/ EOS)
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|  */
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| #define HMCDRV_FTP_FIDENT_MAX 192
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| 
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| /**
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|  * enum hmcdrv_ftp_cmdid - HMC drive FTP commands
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|  * @HMCDRV_FTP_NOOP: do nothing (only for probing)
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|  * @HMCDRV_FTP_GET: read a file
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|  * @HMCDRV_FTP_PUT: (over-) write a file
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|  * @HMCDRV_FTP_APPEND: append to a file
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|  * @HMCDRV_FTP_DIR: list directory long (ls -l)
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|  * @HMCDRV_FTP_NLIST: list files, no directories (name list)
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|  * @HMCDRV_FTP_DELETE: delete a file
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|  * @HMCDRV_FTP_CANCEL: cancel operation (SCLP/LPAR only)
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|  */
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| enum hmcdrv_ftp_cmdid {
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| 	HMCDRV_FTP_NOOP = 0,
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| 	HMCDRV_FTP_GET = 1,
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| 	HMCDRV_FTP_PUT = 2,
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| 	HMCDRV_FTP_APPEND = 3,
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| 	HMCDRV_FTP_DIR = 4,
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| 	HMCDRV_FTP_NLIST = 5,
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| 	HMCDRV_FTP_DELETE = 6,
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| 	HMCDRV_FTP_CANCEL = 7
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| };
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| 
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| /**
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|  * struct hmcdrv_ftp_cmdspec - FTP command specification
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|  * @id: FTP command ID
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|  * @ofs: offset in file
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|  * @fname: filename (ASCII), null-terminated
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|  * @buf: kernel-space transfer data buffer, 4k aligned
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|  * @len: (max) number of bytes to transfer from/to @buf
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|  */
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| struct hmcdrv_ftp_cmdspec {
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| 	enum hmcdrv_ftp_cmdid id;
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| 	loff_t ofs;
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| 	const char *fname;
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| 	void __kernel *buf;
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| 	size_t len;
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| };
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| 
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| int hmcdrv_ftp_startup(void);
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| void hmcdrv_ftp_shutdown(void);
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| int hmcdrv_ftp_probe(void);
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| ssize_t hmcdrv_ftp_do(const struct hmcdrv_ftp_cmdspec *ftp);
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| ssize_t hmcdrv_ftp_cmd(char __kernel *cmd, loff_t offset,
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| 		       char __user *buf, size_t len);
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| 
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| #endif	 /* __HMCDRV_FTP_H__ */
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