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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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214
fs/nfs/callback.h Normal file
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/*
* linux/fs/nfs/callback.h
*
* Copyright (C) 2004 Trond Myklebust
*
* NFSv4 callback definitions
*/
#ifndef __LINUX_FS_NFS_CALLBACK_H
#define __LINUX_FS_NFS_CALLBACK_H
#include <linux/sunrpc/svc.h>
#define NFS4_CALLBACK 0x40000000
#define NFS4_CALLBACK_XDRSIZE 2048
#define NFS4_CALLBACK_BUFSIZE (1024 + NFS4_CALLBACK_XDRSIZE)
enum nfs4_callback_procnum {
CB_NULL = 0,
CB_COMPOUND = 1,
};
enum nfs4_callback_opnum {
OP_CB_GETATTR = 3,
OP_CB_RECALL = 4,
/* Callback operations new to NFSv4.1 */
OP_CB_LAYOUTRECALL = 5,
OP_CB_NOTIFY = 6,
OP_CB_PUSH_DELEG = 7,
OP_CB_RECALL_ANY = 8,
OP_CB_RECALLABLE_OBJ_AVAIL = 9,
OP_CB_RECALL_SLOT = 10,
OP_CB_SEQUENCE = 11,
OP_CB_WANTS_CANCELLED = 12,
OP_CB_NOTIFY_LOCK = 13,
OP_CB_NOTIFY_DEVICEID = 14,
/* Callback operations new to NFSv4.2 */
OP_CB_OFFLOAD = 15,
OP_CB_ILLEGAL = 10044,
};
struct cb_process_state {
__be32 drc_status;
struct nfs_client *clp;
u32 slotid;
u32 minorversion;
struct net *net;
};
struct cb_compound_hdr_arg {
unsigned int taglen;
const char *tag;
unsigned int minorversion;
unsigned int cb_ident; /* v4.0 callback identifier */
unsigned nops;
};
struct cb_compound_hdr_res {
__be32 *status;
unsigned int taglen;
const char *tag;
__be32 *nops;
};
struct cb_getattrargs {
struct sockaddr *addr;
struct nfs_fh fh;
uint32_t bitmap[2];
};
struct cb_getattrres {
__be32 status;
uint32_t bitmap[2];
uint64_t size;
uint64_t change_attr;
struct timespec ctime;
struct timespec mtime;
};
struct cb_recallargs {
struct sockaddr *addr;
struct nfs_fh fh;
nfs4_stateid stateid;
uint32_t truncate;
};
#if defined(CONFIG_NFS_V4_1)
struct referring_call {
uint32_t rc_sequenceid;
uint32_t rc_slotid;
};
struct referring_call_list {
struct nfs4_sessionid rcl_sessionid;
uint32_t rcl_nrefcalls;
struct referring_call *rcl_refcalls;
};
struct cb_sequenceargs {
struct sockaddr *csa_addr;
struct nfs4_sessionid csa_sessionid;
uint32_t csa_sequenceid;
uint32_t csa_slotid;
uint32_t csa_highestslotid;
uint32_t csa_cachethis;
uint32_t csa_nrclists;
struct referring_call_list *csa_rclists;
};
struct cb_sequenceres {
__be32 csr_status;
struct nfs4_sessionid csr_sessionid;
uint32_t csr_sequenceid;
uint32_t csr_slotid;
uint32_t csr_highestslotid;
uint32_t csr_target_highestslotid;
};
extern __be32 nfs4_callback_sequence(struct cb_sequenceargs *args,
struct cb_sequenceres *res,
struct cb_process_state *cps);
extern int nfs41_validate_delegation_stateid(struct nfs_delegation *delegation,
const nfs4_stateid *stateid);
#define RCA4_TYPE_MASK_RDATA_DLG 0
#define RCA4_TYPE_MASK_WDATA_DLG 1
#define RCA4_TYPE_MASK_DIR_DLG 2
#define RCA4_TYPE_MASK_FILE_LAYOUT 3
#define RCA4_TYPE_MASK_BLK_LAYOUT 4
#define RCA4_TYPE_MASK_OBJ_LAYOUT_MIN 8
#define RCA4_TYPE_MASK_OBJ_LAYOUT_MAX 9
#define RCA4_TYPE_MASK_OTHER_LAYOUT_MIN 12
#define RCA4_TYPE_MASK_OTHER_LAYOUT_MAX 15
#define RCA4_TYPE_MASK_ALL 0xf31f
struct cb_recallanyargs {
struct sockaddr *craa_addr;
uint32_t craa_objs_to_keep;
uint32_t craa_type_mask;
};
extern __be32 nfs4_callback_recallany(struct cb_recallanyargs *args,
void *dummy,
struct cb_process_state *cps);
struct cb_recallslotargs {
struct sockaddr *crsa_addr;
uint32_t crsa_target_highest_slotid;
};
extern __be32 nfs4_callback_recallslot(struct cb_recallslotargs *args,
void *dummy,
struct cb_process_state *cps);
struct cb_layoutrecallargs {
struct sockaddr *cbl_addr;
uint32_t cbl_recall_type;
uint32_t cbl_layout_type;
uint32_t cbl_layoutchanged;
union {
struct {
struct nfs_fh cbl_fh;
struct pnfs_layout_range cbl_range;
nfs4_stateid cbl_stateid;
};
struct nfs_fsid cbl_fsid;
};
};
extern __be32 nfs4_callback_layoutrecall(
struct cb_layoutrecallargs *args,
void *dummy, struct cb_process_state *cps);
struct cb_devicenotifyitem {
uint32_t cbd_notify_type;
uint32_t cbd_layout_type;
struct nfs4_deviceid cbd_dev_id;
uint32_t cbd_immediate;
};
struct cb_devicenotifyargs {
int ndevs;
struct cb_devicenotifyitem *devs;
};
extern __be32 nfs4_callback_devicenotify(
struct cb_devicenotifyargs *args,
void *dummy, struct cb_process_state *cps);
#endif /* CONFIG_NFS_V4_1 */
extern int check_gss_callback_principal(struct nfs_client *, struct svc_rqst *);
extern __be32 nfs4_callback_getattr(struct cb_getattrargs *args,
struct cb_getattrres *res,
struct cb_process_state *cps);
extern __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy,
struct cb_process_state *cps);
#if IS_ENABLED(CONFIG_NFS_V4)
extern int nfs_callback_up(u32 minorversion, struct rpc_xprt *xprt);
extern void nfs_callback_down(int minorversion, struct net *net);
extern int nfs4_validate_delegation_stateid(struct nfs_delegation *delegation,
const nfs4_stateid *stateid);
extern int nfs4_set_callback_sessionid(struct nfs_client *clp);
#endif /* CONFIG_NFS_V4 */
/*
* nfs41: Callbacks are expected to not cause substantial latency,
* so we limit their concurrency to 1 by setting up the maximum number
* of slots for the backchannel.
*/
#define NFS41_BC_MIN_CALLBACKS 1
#define NFS41_BC_MAX_CALLBACKS 1
extern unsigned int nfs_callback_set_tcpport;
extern unsigned short nfs_callback_tcpport;
#endif /* __LINUX_FS_NFS_CALLBACK_H */