aboutsummaryrefslogtreecommitdiff
path: root/sys/fs/fuse/fuse_ipc.h
diff options
context:
space:
mode:
Diffstat (limited to 'sys/fs/fuse/fuse_ipc.h')
-rw-r--r--sys/fs/fuse/fuse_ipc.h341
1 files changed, 161 insertions, 180 deletions
diff --git a/sys/fs/fuse/fuse_ipc.h b/sys/fs/fuse/fuse_ipc.h
index 0ecbe5bf8d5a..4c3dd35384cf 100644
--- a/sys/fs/fuse/fuse_ipc.h
+++ b/sys/fs/fuse/fuse_ipc.h
@@ -64,10 +64,10 @@
#include <sys/refcount.h>
struct fuse_iov {
- void *base;
- size_t len;
- size_t allocated_size;
- int credit;
+ void *base;
+ size_t len;
+ size_t allocated_size;
+ int credit;
};
void fiov_init(struct fuse_iov *fiov, size_t size);
@@ -75,23 +75,22 @@ void fiov_teardown(struct fuse_iov *fiov);
void fiov_refresh(struct fuse_iov *fiov);
void fiov_adjust(struct fuse_iov *fiov, size_t size);
-#define FUSE_DIMALLOC(fiov, spc1, spc2, amnt) \
-do { \
- fiov_adjust(fiov, (sizeof(*(spc1)) + (amnt))); \
- (spc1) = (fiov)->base; \
- (spc2) = (char *)(fiov)->base + (sizeof(*(spc1))); \
+#define FUSE_DIMALLOC(fiov, spc1, spc2, amnt) do { \
+ fiov_adjust(fiov, (sizeof(*(spc1)) + (amnt))); \
+ (spc1) = (fiov)->base; \
+ (spc2) = (char *)(fiov)->base + (sizeof(*(spc1))); \
} while (0)
#define FU_AT_LEAST(siz) max((siz), 160)
-#define FUSE_ASSERT_AW_DONE(ftick) \
- KASSERT((ftick)->tk_aw_link.tqe_next == NULL && \
- (ftick)->tk_aw_link.tqe_prev == NULL, \
- ("FUSE: ticket still on answer delivery list %p", (ftick))) \
+#define FUSE_ASSERT_AW_DONE(ftick) \
+ KASSERT((ftick)->tk_aw_link.tqe_next == NULL && \
+ (ftick)->tk_aw_link.tqe_prev == NULL, \
+ ("FUSE: ticket still on answer delivery list %p", (ftick)))
-#define FUSE_ASSERT_MS_DONE(ftick) \
- KASSERT((ftick)->tk_ms_link.stqe_next == NULL, \
- ("FUSE: ticket still on message list %p", (ftick)))
+#define FUSE_ASSERT_MS_DONE(ftick) \
+ KASSERT((ftick)->tk_ms_link.stqe_next == NULL, \
+ ("FUSE: ticket still on message list %p", (ftick)))
struct fuse_ticket;
struct fuse_data;
@@ -99,66 +98,62 @@ struct fuse_data;
typedef int fuse_handler_t(struct fuse_ticket *ftick, struct uio *uio);
struct fuse_ticket {
- /* fields giving the identity of the ticket */
- uint64_t tk_unique;
- struct fuse_data *tk_data;
- int tk_flag;
- u_int tk_refcount;
-
- /* fields for initiating an upgoing message */
- struct fuse_iov tk_ms_fiov;
- void *tk_ms_bufdata;
- size_t tk_ms_bufsize;
- enum { FT_M_FIOV, FT_M_BUF } tk_ms_type;
- STAILQ_ENTRY(fuse_ticket) tk_ms_link;
-
- /* fields for handling answers coming from userspace */
- struct fuse_iov tk_aw_fiov;
- void *tk_aw_bufdata;
- size_t tk_aw_bufsize;
- enum { FT_A_FIOV, FT_A_BUF } tk_aw_type;
-
- struct fuse_out_header tk_aw_ohead;
- int tk_aw_errno;
- struct mtx tk_aw_mtx;
- fuse_handler_t *tk_aw_handler;
- TAILQ_ENTRY(fuse_ticket) tk_aw_link;
+ /* fields giving the identity of the ticket */
+ uint64_t tk_unique;
+ struct fuse_data *tk_data;
+ int tk_flag;
+ u_int tk_refcount;
+
+ /* fields for initiating an upgoing message */
+ struct fuse_iov tk_ms_fiov;
+ void *tk_ms_bufdata;
+ size_t tk_ms_bufsize;
+ enum { FT_M_FIOV, FT_M_BUF } tk_ms_type;
+ STAILQ_ENTRY(fuse_ticket) tk_ms_link;
+
+ /* fields for handling answers coming from userspace */
+ struct fuse_iov tk_aw_fiov;
+ void *tk_aw_bufdata;
+ size_t tk_aw_bufsize;
+ enum { FT_A_FIOV, FT_A_BUF } tk_aw_type;
+
+ struct fuse_out_header tk_aw_ohead;
+ int tk_aw_errno;
+ struct mtx tk_aw_mtx;
+ fuse_handler_t *tk_aw_handler;
+ TAILQ_ENTRY(fuse_ticket) tk_aw_link;
};
#define FT_ANSW 0x01 /* request of ticket has already been answered */
#define FT_DIRTY 0x04 /* ticket has been used */
-static __inline__
-struct fuse_iov *
+static inline struct fuse_iov *
fticket_resp(struct fuse_ticket *ftick)
{
- return (&ftick->tk_aw_fiov);
+ return (&ftick->tk_aw_fiov);
}
-static __inline__
-int
+static inline bool
fticket_answered(struct fuse_ticket *ftick)
{
- DEBUGX(FUSE_DEBUG_IPC, "-> ftick=%p\n", ftick);
- mtx_assert(&ftick->tk_aw_mtx, MA_OWNED);
- return (ftick->tk_flag & FT_ANSW);
+ DEBUGX(FUSE_DEBUG_IPC, "-> ftick=%p\n", ftick);
+ mtx_assert(&ftick->tk_aw_mtx, MA_OWNED);
+ return (ftick->tk_flag & FT_ANSW);
}
-static __inline__
-void
+static inline void
fticket_set_answered(struct fuse_ticket *ftick)
{
- DEBUGX(FUSE_DEBUG_IPC, "-> ftick=%p\n", ftick);
- mtx_assert(&ftick->tk_aw_mtx, MA_OWNED);
- ftick->tk_flag |= FT_ANSW;
+ DEBUGX(FUSE_DEBUG_IPC, "-> ftick=%p\n", ftick);
+ mtx_assert(&ftick->tk_aw_mtx, MA_OWNED);
+ ftick->tk_flag |= FT_ANSW;
}
-static __inline__
-enum fuse_opcode
+static inline enum fuse_opcode
fticket_opcode(struct fuse_ticket *ftick)
{
- DEBUGX(FUSE_DEBUG_IPC, "-> ftick=%p\n", ftick);
- return (((struct fuse_in_header *)(ftick->tk_ms_fiov.base))->opcode);
+ DEBUGX(FUSE_DEBUG_IPC, "-> ftick=%p\n", ftick);
+ return (((struct fuse_in_header *)(ftick->tk_ms_fiov.base))->opcode);
}
int fticket_pull(struct fuse_ticket *ftick, struct uio *uio);
@@ -169,35 +164,35 @@ enum mountpri { FM_NOMOUNTED, FM_PRIMARY, FM_SECONDARY };
* The data representing a FUSE session.
*/
struct fuse_data {
- struct cdev *fdev;
- struct mount *mp;
- struct vnode *vroot;
- struct ucred *daemoncred;
- int dataflags;
- int ref;
+ struct cdev *fdev;
+ struct mount *mp;
+ struct vnode *vroot;
+ struct ucred *daemoncred;
+ int dataflags;
+ int ref;
- struct mtx ms_mtx;
- STAILQ_HEAD(, fuse_ticket) ms_head;
+ struct mtx ms_mtx;
+ STAILQ_HEAD(, fuse_ticket) ms_head;
- struct mtx aw_mtx;
- TAILQ_HEAD(, fuse_ticket) aw_head;
+ struct mtx aw_mtx;
+ TAILQ_HEAD(, fuse_ticket) aw_head;
- u_long ticketer;
+ u_long ticketer;
- struct sx rename_lock;
+ struct sx rename_lock;
- uint32_t fuse_libabi_major;
- uint32_t fuse_libabi_minor;
+ uint32_t fuse_libabi_major;
+ uint32_t fuse_libabi_minor;
- uint32_t max_write;
- uint32_t max_read;
- uint32_t subtype;
- char volname[MAXPATHLEN];
+ uint32_t max_write;
+ uint32_t max_read;
+ uint32_t subtype;
+ char volname[MAXPATHLEN];
- struct selinfo ks_rsel;
+ struct selinfo ks_rsel;
- int daemon_timeout;
- uint64_t notimpl;
+ int daemon_timeout;
+ uint64_t notimpl;
};
#define FSESS_DEAD 0x0001 /* session is to be closed */
@@ -226,127 +221,120 @@ extern int fuse_mmap_enable;
extern int fuse_sync_resize;
extern int fuse_fix_broken_io;
-static __inline__
-struct fuse_data *
+static inline struct fuse_data *
fuse_get_mpdata(struct mount *mp)
{
- return mp->mnt_data;
+ return mp->mnt_data;
}
-static __inline int
+static inline bool
fsess_isimpl(struct mount *mp, int opcode)
{
- struct fuse_data *data = fuse_get_mpdata(mp);
+ struct fuse_data *data = fuse_get_mpdata(mp);
- return (data->notimpl & (1ULL << opcode)) == 0;
+ return ((data->notimpl & (1ULL << opcode)) == 0);
}
-static __inline void
+static inline void
fsess_set_notimpl(struct mount *mp, int opcode)
{
- struct fuse_data *data = fuse_get_mpdata(mp);
+ struct fuse_data *data = fuse_get_mpdata(mp);
- data->notimpl |= (1ULL << opcode);
+ data->notimpl |= (1ULL << opcode);
}
-static __inline int
+static inline bool
fsess_opt_datacache(struct mount *mp)
{
- struct fuse_data *data = fuse_get_mpdata(mp);
+ struct fuse_data *data = fuse_get_mpdata(mp);
- return (fuse_data_cache_mode != FUSE_CACHE_UC &&
- (data->dataflags & FSESS_NO_DATACACHE) == 0);
+ return (fuse_data_cache_mode != FUSE_CACHE_UC &&
+ (data->dataflags & FSESS_NO_DATACACHE) == 0);
}
-static __inline int
+static inline bool
fsess_opt_mmap(struct mount *mp)
{
- struct fuse_data *data = fuse_get_mpdata(mp);
+ struct fuse_data *data = fuse_get_mpdata(mp);
- if (!fuse_mmap_enable || fuse_data_cache_mode == FUSE_CACHE_UC)
- return 0;
- return ((data->dataflags & (FSESS_NO_DATACACHE | FSESS_NO_MMAP)) == 0);
+ if (!fuse_mmap_enable || fuse_data_cache_mode == FUSE_CACHE_UC)
+ return (false);
+ return ((data->dataflags & (FSESS_NO_DATACACHE | FSESS_NO_MMAP)) == 0);
}
-static __inline int
+static inline bool
fsess_opt_brokenio(struct mount *mp)
{
- struct fuse_data *data = fuse_get_mpdata(mp);
+ struct fuse_data *data = fuse_get_mpdata(mp);
- return (fuse_fix_broken_io || (data->dataflags & FSESS_BROKENIO));
+ return (fuse_fix_broken_io || (data->dataflags & FSESS_BROKENIO));
}
-static __inline__
-void
+static inline void
fuse_ms_push(struct fuse_ticket *ftick)
{
- DEBUGX(FUSE_DEBUG_IPC, "ftick=%p refcount=%d\n",
- ftick, ftick->tk_refcount + 1);
- mtx_assert(&ftick->tk_data->ms_mtx, MA_OWNED);
- refcount_acquire(&ftick->tk_refcount);
- STAILQ_INSERT_TAIL(&ftick->tk_data->ms_head, ftick, tk_ms_link);
+ DEBUGX(FUSE_DEBUG_IPC, "ftick=%p refcount=%d\n", ftick,
+ ftick->tk_refcount + 1);
+ mtx_assert(&ftick->tk_data->ms_mtx, MA_OWNED);
+ refcount_acquire(&ftick->tk_refcount);
+ STAILQ_INSERT_TAIL(&ftick->tk_data->ms_head, ftick, tk_ms_link);
}
-static __inline__
-struct fuse_ticket *
+static inline struct fuse_ticket *
fuse_ms_pop(struct fuse_data *data)
{
- struct fuse_ticket *ftick = NULL;
+ struct fuse_ticket *ftick = NULL;
- mtx_assert(&data->ms_mtx, MA_OWNED);
+ mtx_assert(&data->ms_mtx, MA_OWNED);
- if ((ftick = STAILQ_FIRST(&data->ms_head))) {
- STAILQ_REMOVE_HEAD(&data->ms_head, tk_ms_link);
+ if ((ftick = STAILQ_FIRST(&data->ms_head))) {
+ STAILQ_REMOVE_HEAD(&data->ms_head, tk_ms_link);
#ifdef INVARIANTS
- ftick->tk_ms_link.stqe_next = NULL;
+ ftick->tk_ms_link.stqe_next = NULL;
#endif
- }
- DEBUGX(FUSE_DEBUG_IPC, "ftick=%p refcount=%d\n",
- ftick, ftick ? ftick->tk_refcount : -1);
+ }
+ DEBUGX(FUSE_DEBUG_IPC, "ftick=%p refcount=%d\n", ftick,
+ ftick ? ftick->tk_refcount : -1);
- return ftick;
+ return (ftick);
}
-static __inline__
-void
+static inline void
fuse_aw_push(struct fuse_ticket *ftick)
{
- DEBUGX(FUSE_DEBUG_IPC, "ftick=%p refcount=%d\n",
- ftick, ftick->tk_refcount + 1);
- mtx_assert(&ftick->tk_data->aw_mtx, MA_OWNED);
- refcount_acquire(&ftick->tk_refcount);
- TAILQ_INSERT_TAIL(&ftick->tk_data->aw_head, ftick, tk_aw_link);
+ DEBUGX(FUSE_DEBUG_IPC, "ftick=%p refcount=%d\n", ftick,
+ ftick->tk_refcount + 1);
+ mtx_assert(&ftick->tk_data->aw_mtx, MA_OWNED);
+ refcount_acquire(&ftick->tk_refcount);
+ TAILQ_INSERT_TAIL(&ftick->tk_data->aw_head, ftick, tk_aw_link);
}
-static __inline__
-void
+static inline void
fuse_aw_remove(struct fuse_ticket *ftick)
{
- DEBUGX(FUSE_DEBUG_IPC, "ftick=%p refcount=%d\n",
- ftick, ftick->tk_refcount);
- mtx_assert(&ftick->tk_data->aw_mtx, MA_OWNED);
- TAILQ_REMOVE(&ftick->tk_data->aw_head, ftick, tk_aw_link);
+ DEBUGX(FUSE_DEBUG_IPC, "ftick=%p refcount=%d\n",
+ ftick, ftick->tk_refcount);
+ mtx_assert(&ftick->tk_data->aw_mtx, MA_OWNED);
+ TAILQ_REMOVE(&ftick->tk_data->aw_head, ftick, tk_aw_link);
#ifdef INVARIANTS
- ftick->tk_aw_link.tqe_next = NULL;
- ftick->tk_aw_link.tqe_prev = NULL;
+ ftick->tk_aw_link.tqe_next = NULL;
+ ftick->tk_aw_link.tqe_prev = NULL;
#endif
}
-static __inline__
-struct fuse_ticket *
+static inline struct fuse_ticket *
fuse_aw_pop(struct fuse_data *data)
{
- struct fuse_ticket *ftick = NULL;
+ struct fuse_ticket *ftick;
- mtx_assert(&data->aw_mtx, MA_OWNED);
+ mtx_assert(&data->aw_mtx, MA_OWNED);
- if ((ftick = TAILQ_FIRST(&data->aw_head))) {
- fuse_aw_remove(ftick);
- }
- DEBUGX(FUSE_DEBUG_IPC, "ftick=%p refcount=%d\n",
- ftick, ftick ? ftick->tk_refcount : -1);
+ if ((ftick = TAILQ_FIRST(&data->aw_head)) != NULL)
+ fuse_aw_remove(ftick);
+ DEBUGX(FUSE_DEBUG_IPC, "ftick=%p refcount=%d\n", ftick,
+ ftick ? ftick->tk_refcount : -1);
- return ftick;
+ return (ftick);
}
struct fuse_ticket *fuse_ticket_fetch(struct fuse_data *data);
@@ -354,78 +342,71 @@ int fuse_ticket_drop(struct fuse_ticket *ftick);
void fuse_insert_callback(struct fuse_ticket *ftick, fuse_handler_t *handler);
void fuse_insert_message(struct fuse_ticket *ftick);
-static __inline__
-int
+static inline bool
fuse_libabi_geq(struct fuse_data *data, uint32_t abi_maj, uint32_t abi_min)
{
- return (data->fuse_libabi_major > abi_maj ||
- (data->fuse_libabi_major == abi_maj && data->fuse_libabi_minor >= abi_min));
+ return (data->fuse_libabi_major > abi_maj ||
+ (data->fuse_libabi_major == abi_maj &&
+ data->fuse_libabi_minor >= abi_min));
}
struct fuse_data *fdata_alloc(struct cdev *dev, struct ucred *cred);
void fdata_trydestroy(struct fuse_data *data);
void fdata_set_dead(struct fuse_data *data);
-static __inline__
-int
+static inline bool
fdata_get_dead(struct fuse_data *data)
{
- return (data->dataflags & FSESS_DEAD);
+ return (data->dataflags & FSESS_DEAD);
}
struct fuse_dispatcher {
-
- struct fuse_ticket *tick;
- struct fuse_in_header *finh;
-
- void *indata;
- size_t iosize;
- uint64_t nodeid;
- int answ_stat;
- void *answ;
+ struct fuse_ticket *tick;
+ struct fuse_in_header *finh;
+
+ void *indata;
+ size_t iosize;
+ uint64_t nodeid;
+ int answ_stat;
+ void *answ;
};
-static __inline__
-void
+static inline void
fdisp_init(struct fuse_dispatcher *fdisp, size_t iosize)
{
- DEBUGX(FUSE_DEBUG_IPC, "-> fdisp=%p, iosize=%zx\n", fdisp, iosize);
- fdisp->iosize = iosize;
- fdisp->tick = NULL;
+ DEBUGX(FUSE_DEBUG_IPC, "-> fdisp=%p, iosize=%zx\n", fdisp, iosize);
+ fdisp->iosize = iosize;
+ fdisp->tick = NULL;
}
-static __inline__
-void
+static inline void
fdisp_destroy(struct fuse_dispatcher *fdisp)
{
- DEBUGX(FUSE_DEBUG_IPC, "-> fdisp=%p, ftick=%p\n", fdisp, fdisp->tick);
- fuse_ticket_drop(fdisp->tick);
+ DEBUGX(FUSE_DEBUG_IPC, "-> fdisp=%p, ftick=%p\n", fdisp, fdisp->tick);
+ fuse_ticket_drop(fdisp->tick);
#ifdef INVARIANTS
- fdisp->tick = NULL;
+ fdisp->tick = NULL;
#endif
}
void fdisp_make(struct fuse_dispatcher *fdip, enum fuse_opcode op,
- struct mount *mp, uint64_t nid, struct thread *td,
- struct ucred *cred);
+ struct mount *mp, uint64_t nid, struct thread *td, struct ucred *cred);
void fdisp_make_pid(struct fuse_dispatcher *fdip, enum fuse_opcode op,
- struct mount *mp, uint64_t nid, pid_t pid,
- struct ucred *cred);
+ struct mount *mp, uint64_t nid, pid_t pid, struct ucred *cred);
void fdisp_make_vp(struct fuse_dispatcher *fdip, enum fuse_opcode op,
- struct vnode *vp, struct thread *td, struct ucred *cred);
+ struct vnode *vp, struct thread *td, struct ucred *cred);
-int fdisp_wait_answ(struct fuse_dispatcher *fdip);
+int fdisp_wait_answ(struct fuse_dispatcher *fdip);
-static __inline__
-int
+static inline int
fdisp_simple_putget_vp(struct fuse_dispatcher *fdip, enum fuse_opcode op,
- struct vnode *vp, struct thread *td, struct ucred *cred)
+ struct vnode *vp, struct thread *td, struct ucred *cred)
{
- DEBUGX(FUSE_DEBUG_IPC, "-> fdip=%p, opcode=%d, vp=%p\n", fdip, op, vp);
- fdisp_make_vp(fdip, op, vp, td, cred);
- return fdisp_wait_answ(fdip);
+ DEBUGX(FUSE_DEBUG_IPC, "-> fdip=%p, opcode=%d, vp=%p\n", fdip, op, vp);
+ fdisp_make_vp(fdip, op, vp, td, cred);
+ return (fdisp_wait_answ(fdip));
}
#endif /* _FUSE_IPC_H_ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 16:20:40 +0000