X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fcommon%2Fblkdev.h;fp=src%2Fceph%2Fsrc%2Fcommon%2Fblkdev.h;h=eef3a25cab89b74e1f1e11633611067ed62bb671;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git diff --git a/src/ceph/src/common/blkdev.h b/src/ceph/src/common/blkdev.h new file mode 100644 index 0000000..eef3a25 --- /dev/null +++ b/src/ceph/src/common/blkdev.h @@ -0,0 +1,29 @@ +#ifndef __CEPH_COMMON_BLKDEV_H +#define __CEPH_COMMON_BLKDEV_H + +/* for testing purposes */ +extern void set_block_device_sandbox_dir(const char *dir); + +// from a path (e.g., "/dev/sdb") +extern int get_block_device_base(const char *path, char *devname, size_t len); + +// from an fd +extern int block_device_discard(int fd, int64_t offset, int64_t len); +extern int get_block_device_size(int fd, int64_t *psize); +extern int get_device_by_fd(int fd, char* partition, char* device, size_t max); + +// from a uuid +extern int get_device_by_uuid(uuid_d dev_uuid, const char* label, + char* partition, char* device); + +// from a device (e.g., "sdb") +extern int64_t get_block_device_int_property( + const char *devname, const char *property); +extern int64_t get_block_device_string_property( + const char *devname, const char *property, + char *val, size_t maxlen); +extern bool block_device_support_discard(const char *devname); +extern bool block_device_is_rotational(const char *devname); +extern int block_device_model(const char *devname, char *model, size_t max); + +#endif