/*
 * Copyright 2000, International Business Machines Corporation and others.
 * All Rights Reserved.
 *
 * This software has been released under the terms of the IBM Public
 * License.  For details, see the LICENSE file in the top-level source
 * directory or online at http://www.openafs.org/dl/license10.html
 */

#ifndef _AFS_ARGS_H_
#define _AFS_ARGS_H_

/*
 * AFS system call opcodes
 *
 * When adding new opcodes, please also update afsd_init_syscall_opcodes()
 * for syscall tracing.
 */

#define AFSOP_START_RXCALLBACK	  0	/* no aux parms */
#define AFSOP_START_AFS		  1	/* no aux parms */
#define AFSOP_START_BKG		  2	/* no aux parms */
#define AFSOP_START_TRUNCDAEMON	  3	/* no aux parms */
#define AFSOP_START_CS		  4	/* no aux parms */
#define AFSOP_ADDCELL		  5	/* parm 2 = cell str */
#define AFSOP_CACHEINIT		  6	/* parms 2-4 -> cache sizes */
#define AFSOP_CACHEINFO		  7	/* the cacheinfo file */
#define AFSOP_VOLUMEINFO	  8	/* the volumeinfo file */
#define AFSOP_CACHEFILE		  9	/* a random cache file (V*) */
#define AFSOP_CACHEINODE	 10	/* random cache file by inode */
#define AFSOP_AFSLOG		 11	/* output log file */
#define AFSOP_ROOTVOLUME	 12	/* non-standard root volume name */

#define AFSOP_STARTLOG		 14	/* temporary: Start afs logging */
#define AFSOP_ENDLOG		 15	/* temporary: End afs logging */
#define AFSOP_AFS_VFSMOUNT	 16	/* vfsmount cover for hpux */
#define AFSOP_ADVISEADDR	 17	/* to init rx cid generator */
#define AFSOP_CLOSEWAIT		 18	/* make all closes synchronous */
#define AFSOP_RXEVENT_DAEMON	 19	/* rxevent daemon */
#define AFSOP_GETMTU		 20	/* stand-in for SIOCGIFMTU, for now */
#define AFSOP_GETIFADDRS	 21	/* get machine's ethernet interfaces */

#define AFSOP_ADDCELL2		 29	/* 2nd add cell protocol interface */
#define AFSOP_AFSDB_HANDLER	 30	/* userspace AFSDB lookup handler */
#define AFSOP_SET_DYNROOT	 31	/* enable/disable dynroot support */
#define AFSOP_ADDCELLALIAS	 32	/* create alias for existing cell */
#define AFSOP_SET_FAKESTAT	 33	/* enable/disable fakestat support */
#define AFSOP_CELLINFO		 34	/* set the cellinfo file name */
#define AFSOP_SET_THISCELL	 35	/* set the primary cell */
#define AFSOP_BASIC_INIT	 36	/* used to be part of START_AFS */
#define AFSOP_SET_BACKUPTREE	 37	/* enable backup tree support */
#define AFSOP_SET_RXPCK		 38	/* set rx_extraPackets*/
#define AFSOP_BUCKETPCT		 39	/* bucket percentage */
#define AFSOP_SET_RXMAXMTU	 40	/* set rx_MyMaxSendSize,rx_maxReceiveSizeUser,rx_maxReceiveSize */
#define AFSOP_BKG_HANDLER	 41	/* userspace-capable Bkg daemon */
#define AFSOP_GETMASK		 42	/* stand-in for SIOCGIFNETMASK */
#define AFSOP_SET_RXMAXFRAGS	 43	/* set rxi_nSendFrags, rxi_nRecvFrags */
#define AFSOP_SET_RMTSYS_FLAG	 44	/* set flag if rmtsys is enabled */
#define AFSOP_SEED_ENTROPY	 45	/* Give the kernel hcrypto entropy */
#define AFSOP_SET_INUMCALC	 46	/* set inode number calculation method */
#define AFSOP_SET_VOLUME_TTL     47     /* set the vldb cache timeout */

#define AFSOP_RXLISTENER_DAEMON  48	/* starts kernel RX listener */

#define AFSOP_CACHEBASEDIR	 50	/* cache base dir */
#define AFSOP_CACHEDIRS		 51	/* number of files per dir */
#define AFSOP_CACHEFILES	 52	/* number of files */

#define AFSOP_SETINT		 60	/* set key/value pairs for ints */

#define AFSOP_GO		100	/* whether settime is being done */

#define AFSOP_CHECKLOCKS	200	/* dump lock state */
#define AFSOP_SHUTDOWN		201	/* Totally shutdown afs (deallocate all) */

#define AFSOP_STOP_RXCALLBACK	210	/* Stop CALLBACK process */
#define AFSOP_STOP_AFS		211	/* Stop AFS process */
#define AFSOP_STOP_BKG		212	/* Stop BKG process */
#define AFSOP_STOP_TRUNCDAEMON	213	/* Stop cache truncate daemon */
/* AFSOP_STOP_RXEVENT	        214	   defined in osi.h */
/* AFSOP_STOP_COMPLETE	        215	   defined in osi.h */
#define AFSOP_STOP_CS		216	/* Stop CheckServer daemon */
/* AFSOP_STOP_RXK_LISTENER	217	   defined in osi.h */
#define AFSOP_STOP_AFSDB	218	/* Stop AFSDB handler */
#define AFSOP_STOP_NETIF	219	/* Stop Netif poller */

#define AFSOP_MAX_OPCODE	AFSOP_STOP_NETIF /* Largest defined opcode. */

/*
 * AFS system call types and flags.
 */

/* The range 20-30 is reserved for AFS system offsets in the afs_syscall */
#define AFSCALL_PIOCTL		20
#define AFSCALL_SETPAG		21
#define AFSCALL_IOPEN		22
#define AFSCALL_ICREATE		23
#define AFSCALL_IREAD		24
#define AFSCALL_IWRITE		25
#define AFSCALL_IINC		26
#define AFSCALL_IDEC		27
#define AFSCALL_CALL		28

#define AFSCALL_ICL		30

/* 64 bit versions of inode system calls. */
#define AFSCALL_IOPEN64		41
#define AFSCALL_ICREATE64	42
#define AFSCALL_IINC64		43
#define AFSCALL_IDEC64		44
#define AFSCALL_ILISTINODE64	45	/* Used by ListViceInodes */
#define AFSCALL_ICREATENAME64	46	/* pass in platform specific pointer
					 * used to create a name in in a
					 * directory.
					 */
#ifdef AFS_SGI_VNODE_GLUE
#define AFSCALL_INIT_KERNEL_CONFIG 47	/* set vnode glue ops. */
#endif

/* these are for initialization flags */

#define AFSCALL_INIT_MEMCACHE 0x1

/* flags for rxstats pioctl */

#define AFSCALL_RXSTATS_MASK	0x7	/* Valid flag bits */
#define AFSCALL_RXSTATS_ENABLE	0x1	/* Enable RX stats */
#define AFSCALL_RXSTATS_DISABLE	0x2	/* Disable RX stats */
#define AFSCALL_RXSTATS_CLEAR	0x4	/* Clear RX stats */

/* arguments passed by afsd */
#define IDTYPE_UID 0

/* We don't necessarily have VenusFid here */
struct afs_umv_param {
    afs_int32 id;
    afs_int32 idtype;
    afs_int32 sCell;
    afs_int32 sVolume;
    afs_int32 sVnode;
    afs_int32 sUnique;
    afs_int32 dCell;
    afs_int32 dVolume;
    afs_int32 dVnode;
    afs_int32 dUnique;
};

#ifdef AFS_DARWIN_ENV
# define AFS_USPC_UMV 1
#endif
#define AFS_USPC_SHUTDOWN 2

struct afs_uspc_param {
    afs_int32 retval;
    afs_int32 ts; /* brequest ts - always unique */
    afs_int32 bufSz;
    afs_int32 reqtype;
    union {
	struct afs_umv_param umv;
    } req;
};

struct afs_cacheParams {
    afs_int32 cacheScaches;
    afs_int32 cacheFiles;
    afs_int32 cacheBlocks;
    afs_int32 cacheDcaches;
    afs_int32 cacheVolumes;
    afs_int32 chunkSize;
    afs_int32 setTimeFlag;
    afs_int32 memCacheFlag;
    afs_int32 inodes;
    afs_int32 users;
    afs_int32 dynamic_vcaches;
};

/* Supported values for AFSOP_SET_INUMCALC. */
enum {
    AFS_INUMCALC_COMPAT = 0,
    AFS_INUMCALC_MD5 = 1
};

/* Supported volume ttl range. */
#define AFS_MIN_VOLUME_TTL 600
#define AFS_MAX_VOLUME_TTL MAX_AFS_INT32

/*
 * Note that the AFS_*ALLOCSIZ values should be multiples of sizeof(void*) to
 * accomodate pointer alignment.
 */
/* Used in rx.c as well as afs directory. */
#if	defined(AFS_AIX32_ENV) || defined(AFS_HPUX_ENV)
/* XXX Because of rxkad_cprivate... XXX */
#define AFS_SMALLOCSIZ 	(38*sizeof(void *))	/* "Small" allocated size */
#else
#define AFS_SMALLOCSIZ 	(64*sizeof(void *))	/*  "Small" allocated size */
#endif
#define AFS_LRALLOCSIZ  4096    /* "Large" allocated size */

/* Cache configuration available through the client callback interface */
typedef struct cm_initparams_v1 {
    afs_uint32 nChunkFiles;
    afs_uint32 nStatCaches;
    afs_uint32 nDataCaches;
    afs_uint32 nVolumeCaches;
    afs_uint32 firstChunkSize;
    afs_uint32 otherChunkSize;
    afs_uint32 cacheSize;
    afs_uint32 setTime;
    afs_uint32 memCache;
} cm_initparams_v1;

/*
 * If you need to change afs_cacheParams, you should probably create a brand
 * new structure.  Keeping the old structure will allow backwards compatibility
 * with old clients (even if it is only used to calculate allocation size).
 * If you do change the size or the format, you'll need to bump
 * AFS_CLIENT_CONFIG_RETRIEVAL_VERSION.  This allows some primitive form
 * of versioning a la rxdebug.
 */

#define AFS_CLIENT_RETRIEVAL_VERSION		1	/* latest version */
#define AFS_CLIENT_RETRIEVAL_FIRST_EDITION	1	/* first version */

/* Defines and structures for the AFS proc replacement layer for the original syscall (AFS_SYSCALL) strategy */

#ifdef AFS_LINUX20_ENV

#define PROC_FSDIRNAME "openafs"
#define PROC_SYSCALL_NAME "afs_ioctl"
#define PROC_SYSCALL_FNAME "/proc/fs/openafs/afs_ioctl"
#define PROC_SYSCALL_ARLA_FNAME "/proc/fs/nnpfs/afs_ioctl"
#define PROC_CELLSERVDB_NAME "CellServDB"
#define PROC_PEER_NAME "rx_peer"
#define PROC_CONN_NAME "rx_conn"
#define PROC_CALL_NAME "rx_call"
#define PROC_RX_NAME "rx"
#define PROC_SERVICES_NAME "rx_services"
#define PROC_RXSTATS_NAME "rx_stats"
#define VIOC_SYSCALL_TYPE 'C'
#define VIOC_SYSCALL _IOW(VIOC_SYSCALL_TYPE,1,void *)
#define VIOC_SYSCALL32 _IOW(VIOC_SYSCALL_TYPE,1,int)

struct afsprocdata {
  long param4;
  long param3;
  long param2;
  long param1;
  long syscall;
};

struct afsprocdata32 {
  unsigned int param4;
  unsigned int param3;
  unsigned int param2;
  unsigned int param1;
  unsigned int syscall;
};

#endif

#ifdef AFS_DARWIN80_ENV
struct afssysargs {
    unsigned int syscall;
    unsigned int param1;
    unsigned int param2;
    unsigned int param3;
    unsigned int param4;
    unsigned int param5;
    unsigned int param6;
    unsigned int retval;
};

/* args reordered to avoid alignment issues */
struct afssysargs64 {
    user_addr_t param1;
    user_addr_t param2;
    user_addr_t param3;
    user_addr_t param4;
    user_addr_t param5;
    user_addr_t param6;
    unsigned int syscall;
    unsigned int retval;
};
#define VIOC_SYSCALL_TYPE 'C'
#define VIOC_SYSCALL _IOWR(VIOC_SYSCALL_TYPE,1,struct afssysargs)
#define VIOC_SYSCALL64 _IOWR(VIOC_SYSCALL_TYPE,2,struct afssysargs64)
#define SYSCALL_DEV_FNAME "/dev/openafs_ioctl"
#endif

#ifdef AFS_SUN511_ENV
# define VIOC_SYSCALL_TYPE 'C'
# define VIOC_SYSCALL _IOW(VIOC_SYSCALL_TYPE, 1, struct afssysargs)
# define VIOC_SYSCALL32 _IOW(VIOC_SYSCALL_TYPE, 2, struct afssysargs32)
# define SYSCALL_DEV_FNAME "/dev/afs"

struct afssysargs {
    afs_uint64 param6;
    afs_uint64 param5;
    afs_uint64 param4;
    afs_uint64 param3;
    afs_uint64 param2;
    afs_uint64 param1;
    afs_uint32 syscall;
};

struct afssysargs32 {
    afs_uint32 param6;
    afs_uint32 param5;
    afs_uint32 param4;
    afs_uint32 param3;
    afs_uint32 param2;
    afs_uint32 param1;
    afs_uint32 syscall;
};
#endif /* AFS_SUN511_ENV */

#ifdef AFS_CACHE_VNODE_PATH
#define AFS_CACHE_CELLS_INODE -2
#define AFS_CACHE_ITEMS_INODE -3
#define AFS_CACHE_VOLUME_INODE -4
#endif

#endif /* _AFS_ARGS_H_ */