[people/ms/u-boot.git] / net / nfs.h

/*
 * (C) Masami Komiya <mkomiya@sonare.it> 2004
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __NFS_H__
#define __NFS_H__

#define SUNRPC_PORT     111

#define PROG_PORTMAP    100000
#define PROG_NFS        100003
#define PROG_MOUNT      100005

#define MSG_CALL        0
#define MSG_REPLY       1

#define PORTMAP_GETPORT 3

#define MOUNT_ADDENTRY  1
#define MOUNT_UMOUNTALL 4

#define NFS_LOOKUP      4
#define NFS_READLINK    5
#define NFS_READ        6

#define NFS3PROC_LOOKUP 3

#define NFS_FHSIZE      32
#define NFS3_FHSIZE     64

#define NFSERR_PERM     1
#define NFSERR_NOENT    2
#define NFSERR_ACCES    13
#define NFSERR_ISDIR    21
#define NFSERR_INVAL    22

/* Block size used for NFS read accesses.  A RPC reply packet (including  all
 * headers) must fit within a single Ethernet frame to avoid fragmentation.
 * However, if CONFIG_IP_DEFRAG is set, the config file may want to use a
 * bigger value. In any case, most NFS servers are optimized for a power of 2.
 */
#ifdef CONFIG_NFS_READ_SIZE
#define NFS_READ_SIZE CONFIG_NFS_READ_SIZE
#else
#define NFS_READ_SIZE 1024 /* biggest power of two that fits Ether frame */
#endif

/* Values for Accept State flag on RPC answers (See: rfc1831) */
enum rpc_accept_stat {
	NFS_RPC_SUCCESS = 0,	/* RPC executed successfully */
	NFS_RPC_PROG_UNAVAIL = 1,	/* remote hasn't exported program */
	NFS_RPC_PROG_MISMATCH = 2,	/* remote can't support version # */
	NFS_RPC_PROC_UNAVAIL = 3,	/* program can't support procedure */
	NFS_RPC_GARBAGE_ARGS = 4,	/* procedure can't decode params */
	NFS_RPC_SYSTEM_ERR = 5	/* errors like memory allocation failure */
};

struct rpc_t {
	union {
		uint8_t data[2048];
		struct {
			uint32_t id;
			uint32_t type;
			uint32_t rpcvers;
			uint32_t prog;
			uint32_t vers;
			uint32_t proc;
			uint32_t data[1];
		} call;
		struct {
			uint32_t id;
			uint32_t type;
			uint32_t rstatus;
			uint32_t verifier;
			uint32_t v2;
			uint32_t astatus;
			uint32_t data[NFS_READ_SIZE];
		} reply;
	} u;
};
void nfs_start(void);	/* Begin NFS */


/**********************************************************************/

#endif /* __NFS_H__ */
Commit	Line	Data
cbd8a35c WD	1	/*
	2	* (C) Masami Komiya <mkomiya@sonare.it> 2004
	3	*
1a459660	4	* SPDX-License-Identifier: GPL-2.0+
cbd8a35c WD	5	*/
	6
	7	#ifndef __NFS_H__
	8	#define __NFS_H__
	9
	10	#define SUNRPC_PORT 111
	11
	12	#define PROG_PORTMAP 100000
	13	#define PROG_NFS 100003
	14	#define PROG_MOUNT 100005
	15
	16	#define MSG_CALL 0
	17	#define MSG_REPLY 1
	18
	19	#define PORTMAP_GETPORT 3
	20
	21	#define MOUNT_ADDENTRY 1
	22	#define MOUNT_UMOUNTALL 4
	23
	24	#define NFS_LOOKUP 4
	25	#define NFS_READLINK 5
	26	#define NFS_READ 6
	27
b0baca98 GG	28	#define NFS3PROC_LOOKUP 3
b0baca98 GG	29
cbd8a35c	30	#define NFS_FHSIZE 32
b0baca98	31	#define NFS3_FHSIZE 64
cbd8a35c WD	32
	33	#define NFSERR_PERM 1
	34	#define NFSERR_NOENT 2
	35	#define NFSERR_ACCES 13
	36	#define NFSERR_ISDIR 21
	37	#define NFSERR_INVAL 22
	38
	39	/* Block size used for NFS read accesses. A RPC reply packet (including all
	40	* headers) must fit within a single Ethernet frame to avoid fragmentation.
bd931ca6 AR	41	* However, if CONFIG_IP_DEFRAG is set, the config file may want to use a
	42	* bigger value. In any case, most NFS servers are optimized for a power of 2.
	43	*/
	44	#ifdef CONFIG_NFS_READ_SIZE
	45	#define NFS_READ_SIZE CONFIG_NFS_READ_SIZE
	46	#else
	47	#define NFS_READ_SIZE 1024 /* biggest power of two that fits Ether frame */
	48	#endif
cbd8a35c	49
b0baca98 GG	50	/* Values for Accept State flag on RPC answers (See: rfc1831) */
	51	enum rpc_accept_stat {
	52	NFS_RPC_SUCCESS = 0, /* RPC executed successfully */
	53	NFS_RPC_PROG_UNAVAIL = 1, /* remote hasn't exported program */
	54	NFS_RPC_PROG_MISMATCH = 2, /* remote can't support version # */
	55	NFS_RPC_PROC_UNAVAIL = 3, /* program can't support procedure */
	56	NFS_RPC_GARBAGE_ARGS = 4, /* procedure can't decode params */
	57	NFS_RPC_SYSTEM_ERR = 5 /* errors like memory allocation failure */
	58	};
	59
cbd8a35c WD	60	struct rpc_t {
	61	union {
	62	uint8_t data[2048];
	63	struct {
	64	uint32_t id;
	65	uint32_t type;
	66	uint32_t rpcvers;
	67	uint32_t prog;
	68	uint32_t vers;
	69	uint32_t proc;
	70	uint32_t data[1];
	71	} call;
	72	struct {
	73	uint32_t id;
	74	uint32_t type;
	75	uint32_t rstatus;
	76	uint32_t verifier;
	77	uint32_t v2;
	78	uint32_t astatus;
11e8ec96	79	uint32_t data[NFS_READ_SIZE];
cbd8a35c WD	80	} reply;
	81	} u;
	82	};
68c76a3a	83	void nfs_start(void); /* Begin NFS */
cbd8a35c WD	84
	85
	86	/**********************************************************************/
	87
	88	#endif /* __NFS_H__ */