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authorIan Campbell <ian.campbell@citrix.com>2013-07-31 16:15:51 +0100
committerIan Campbell <ian.campbell@citrix.com>2013-08-20 15:34:03 +0100
commit3d4678108a2157db6ae8c290897f67aaed14cdfa (patch)
treee5ce4b22b9fc9f68036937aa931059aee6c79491 /tools/libaio/src/libaio.h
parent03145f0fe42c007834c1ef50d95fe6c4f58a326a (diff)
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tools: remove in tree libaio
We have defaulted to using the system libaio for a while now and I din't think there are any relevant distros which don't have it that running Xen 4.4 would be reasonable on. Also it has caused confusion because it is not ever wanted on ARM, but the build system doesn't express that (could be fixed, but deleting is the right thing to do anyway). Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com> Acked-by: Matt Wilson <msw@amazon.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Diffstat (limited to 'tools/libaio/src/libaio.h')
-rw-r--r--tools/libaio/src/libaio.h222
1 files changed, 0 insertions, 222 deletions
diff --git a/tools/libaio/src/libaio.h b/tools/libaio/src/libaio.h
deleted file mode 100644
index 657460128a..0000000000
--- a/tools/libaio/src/libaio.h
+++ /dev/null
@@ -1,222 +0,0 @@
-/* /usr/include/libaio.h
- *
- * Copyright 2000,2001,2002 Red Hat, Inc.
- *
- * Written by Benjamin LaHaise <bcrl@redhat.com>
- *
- * libaio Linux async I/O interface
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#ifndef __LIBAIO_H
-#define __LIBAIO_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <sys/types.h>
-#include <string.h>
-
-struct timespec;
-struct sockaddr;
-struct iovec;
-struct iocb;
-
-typedef struct io_context *io_context_t;
-
-typedef enum io_iocb_cmd {
- IO_CMD_PREAD = 0,
- IO_CMD_PWRITE = 1,
-
- IO_CMD_FSYNC = 2,
- IO_CMD_FDSYNC = 3,
-
- IO_CMD_POLL = 5,
- IO_CMD_NOOP = 6,
-} io_iocb_cmd_t;
-
-#if defined(__i386__) /* little endian, 32 bits */
-#define PADDED(x, y) x; unsigned y
-#define PADDEDptr(x, y) x; unsigned y
-#define PADDEDul(x, y) unsigned long x; unsigned y
-#elif defined(__ia64__) || defined(__x86_64__) || defined(__alpha__)
-#define PADDED(x, y) x, y
-#define PADDEDptr(x, y) x
-#define PADDEDul(x, y) unsigned long x
-#elif defined(__powerpc64__) /* big endian, 64 bits */
-#define PADDED(x, y) unsigned y; x
-#define PADDEDptr(x,y) x
-#define PADDEDul(x, y) unsigned long x
-#elif defined(__PPC__) /* big endian, 32 bits */
-#define PADDED(x, y) unsigned y; x
-#define PADDEDptr(x, y) unsigned y; x
-#define PADDEDul(x, y) unsigned y; unsigned long x
-#elif defined(__s390x__) /* big endian, 64 bits */
-#define PADDED(x, y) unsigned y; x
-#define PADDEDptr(x,y) x
-#define PADDEDul(x, y) unsigned long x
-#elif defined(__s390__) /* big endian, 32 bits */
-#define PADDED(x, y) unsigned y; x
-#define PADDEDptr(x, y) unsigned y; x
-#define PADDEDul(x, y) unsigned y; unsigned long x
-#else
-#error endian?
-#endif
-
-struct io_iocb_poll {
- PADDED(int events, __pad1);
-}; /* result code is the set of result flags or -'ve errno */
-
-struct io_iocb_sockaddr {
- struct sockaddr *addr;
- int len;
-}; /* result code is the length of the sockaddr, or -'ve errno */
-
-struct io_iocb_common {
- PADDEDptr(void *buf, __pad1);
- PADDEDul(nbytes, __pad2);
- long long offset;
- long long __pad3, __pad4;
-}; /* result code is the amount read or -'ve errno */
-
-struct io_iocb_vector {
- const struct iovec *vec;
- int nr;
- long long offset;
-}; /* result code is the amount read or -'ve errno */
-
-struct iocb {
- PADDEDptr(void *data, __pad1); /* Return in the io completion event */
- PADDED(unsigned key, __pad2); /* For use in identifying io requests */
-
- short aio_lio_opcode;
- short aio_reqprio;
- int aio_fildes;
-
- union {
- struct io_iocb_common c;
- struct io_iocb_vector v;
- struct io_iocb_poll poll;
- struct io_iocb_sockaddr saddr;
- } u;
-};
-
-struct io_event {
- PADDEDptr(void *data, __pad1);
- PADDEDptr(struct iocb *obj, __pad2);
- PADDEDul(res, __pad3);
- PADDEDul(res2, __pad4);
-};
-
-#undef PADDED
-#undef PADDEDptr
-#undef PADDEDul
-
-typedef void (*io_callback_t)(io_context_t ctx, struct iocb *iocb, long res, long res2);
-
-/* library wrappers */
-extern int io_queue_init(int maxevents, io_context_t *ctxp);
-/*extern int io_queue_grow(io_context_t ctx, int new_maxevents);*/
-extern int io_queue_release(io_context_t ctx);
-/*extern int io_queue_wait(io_context_t ctx, struct timespec *timeout);*/
-extern int io_queue_run(io_context_t ctx);
-
-/* Actual syscalls */
-extern int io_setup(int maxevents, io_context_t *ctxp);
-extern int io_destroy(io_context_t ctx);
-extern int io_submit(io_context_t ctx, long nr, struct iocb *ios[]);
-extern int io_cancel(io_context_t ctx, struct iocb *iocb, struct io_event *evt);
-extern int io_getevents(io_context_t ctx_id, long min_nr, long nr, struct io_event *events, struct timespec *timeout);
-
-
-static inline void io_set_callback(struct iocb *iocb, io_callback_t cb)
-{
- iocb->data = (void *)cb;
-}
-
-static inline void io_prep_pread(struct iocb *iocb, int fd, void *buf, size_t count, long long offset)
-{
- memset(iocb, 0, sizeof(*iocb));
- iocb->aio_fildes = fd;
- iocb->aio_lio_opcode = IO_CMD_PREAD;
- iocb->aio_reqprio = 0;
- iocb->u.c.buf = buf;
- iocb->u.c.nbytes = count;
- iocb->u.c.offset = offset;
-}
-
-static inline void io_prep_pwrite(struct iocb *iocb, int fd, void *buf, size_t count, long long offset)
-{
- memset(iocb, 0, sizeof(*iocb));
- iocb->aio_fildes = fd;
- iocb->aio_lio_opcode = IO_CMD_PWRITE;
- iocb->aio_reqprio = 0;
- iocb->u.c.buf = buf;
- iocb->u.c.nbytes = count;
- iocb->u.c.offset = offset;
-}
-
-static inline void io_prep_poll(struct iocb *iocb, int fd, int events)
-{
- memset(iocb, 0, sizeof(*iocb));
- iocb->aio_fildes = fd;
- iocb->aio_lio_opcode = IO_CMD_POLL;
- iocb->aio_reqprio = 0;
- iocb->u.poll.events = events;
-}
-
-static inline int io_poll(io_context_t ctx, struct iocb *iocb, io_callback_t cb, int fd, int events)
-{
- io_prep_poll(iocb, fd, events);
- io_set_callback(iocb, cb);
- return io_submit(ctx, 1, &iocb);
-}
-
-static inline void io_prep_fsync(struct iocb *iocb, int fd)
-{
- memset(iocb, 0, sizeof(*iocb));
- iocb->aio_fildes = fd;
- iocb->aio_lio_opcode = IO_CMD_FSYNC;
- iocb->aio_reqprio = 0;
-}
-
-static inline int io_fsync(io_context_t ctx, struct iocb *iocb, io_callback_t cb, int fd)
-{
- io_prep_fsync(iocb, fd);
- io_set_callback(iocb, cb);
- return io_submit(ctx, 1, &iocb);
-}
-
-static inline void io_prep_fdsync(struct iocb *iocb, int fd)
-{
- memset(iocb, 0, sizeof(*iocb));
- iocb->aio_fildes = fd;
- iocb->aio_lio_opcode = IO_CMD_FDSYNC;
- iocb->aio_reqprio = 0;
-}
-
-static inline int io_fdsync(io_context_t ctx, struct iocb *iocb, io_callback_t cb, int fd)
-{
- io_prep_fdsync(iocb, fd);
- io_set_callback(iocb, cb);
- return io_submit(ctx, 1, &iocb);
-}
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __LIBAIO_H */