numam-spdk/lib/bdev/aio/bdev_aio.h
Cunyin Chang d1bb67a34d bdev/aio: make sure the aio backend support the lun reset command.
This patch do not actually reset the aio controller, but make sure all
the IOs inflight return back to client before we return success status of
lun reset command.

Change-Id: I473b5f8d795cdc2a32b69cfffcce5a2925a252f6
Signed-off-by: Cunyin Chang <cunyin.chang@intel.com>
Reviewed-on: https://review.gerrithub.io/386837
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2017-12-11 11:43:59 -05:00

71 lines
2.3 KiB
C

/*-
* BSD LICENSE
*
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#ifndef SPDK_BDEV_AIO_H
#define SPDK_BDEV_AIO_H
#include "spdk/stdinc.h"
#include <libaio.h>
#include "spdk/queue.h"
#include "spdk/bdev.h"
#include "spdk_internal/bdev.h"
struct bdev_aio_task {
struct iocb iocb;
uint64_t len;
TAILQ_ENTRY(bdev_aio_task) link;
};
struct bdev_aio_io_channel {
io_context_t io_ctx;
struct spdk_poller *poller;
uint64_t io_inflight;
};
struct file_disk {
struct bdev_aio_task *reset_task;
struct spdk_poller *reset_retry_timer;
struct spdk_bdev disk;
char *filename;
int fd;
TAILQ_ENTRY(file_disk) link;
bool block_size_override;
};
struct spdk_bdev *create_aio_disk(const char *name, const char *filename, uint32_t block_size);
#endif // SPDK_BDEV_AIO_H