#ifndef FIO_ZBD_H
#define FIO_ZBD_H
-#include <inttypes.h>
-#include "fio.h" /* FIO_MAX_OPEN_ZBD_ZONES */
-#ifdef CONFIG_LINUX_BLKZONED
-#include <linux/blkzoned.h>
-#endif
+#include "io_u.h"
+#include "ioengines.h"
+#include "oslib/blkzoned.h"
+#include "zbd_types.h"
struct fio_file;
-/*
- * Zoned block device models.
- */
-enum blk_zoned_model {
- ZBD_DM_NONE, /* Regular block device */
- ZBD_DM_HOST_AWARE, /* Host-aware zoned block device */
- ZBD_DM_HOST_MANAGED, /* Host-managed zoned block device */
-};
-
enum io_u_action {
io_u_accept = 0,
io_u_eof = 1,
+ io_u_completed = 2,
};
/**
* struct fio_zone_info - information about a single ZBD zone
- * @start: zone start in 512 byte units
- * @wp: zone write pointer location in 512 byte units
- * @verify_block: number of blocks that have been verified for this zone
+ * @start: zone start location (bytes)
+ * @wp: zone write pointer location (bytes)
+ * @capacity: maximum size usable from the start of a zone (bytes)
* @mutex: protects the modifiable members in this structure
* @type: zone type (BLK_ZONE_TYPE_*)
* @cond: zone state (BLK_ZONE_COND_*)
- * @open: whether or not this zone is currently open. Only relevant if
- * max_open_zones > 0.
+ * @has_wp: whether or not this zone can have a valid write pointer
+ * @write: whether or not this zone is the write target at this moment. Only
+ * relevant if zbd->max_open_zones > 0.
* @reset_zone: whether or not this zone should be reset before writing to it
*/
struct fio_zone_info {
-#ifdef CONFIG_LINUX_BLKZONED
pthread_mutex_t mutex;
uint64_t start;
uint64_t wp;
- uint32_t verify_block;
- enum blk_zone_type type:2;
- enum blk_zone_cond cond:4;
- unsigned int open:1;
+ uint64_t capacity;
+ enum zbd_zone_type type:2;
+ enum zbd_zone_cond cond:4;
+ unsigned int has_wp:1;
+ unsigned int write:1;
unsigned int reset_zone:1;
-#endif
};
/**
* zoned_block_device_info - zoned block device characteristics
* @model: Device model.
+ * @max_write_zones: global limit on the number of sequential write zones which
+ * are simultaneously written. A zero value means unlimited zones of
+ * simultaneous writes and that write target zones will not be tracked in
+ * the write_zones array.
+ * @max_active_zones: device side limit on the number of sequential write zones
+ * in open or closed conditions. A zero value means unlimited number of
+ * zones in the conditions.
* @mutex: Protects the modifiable members in this structure (refcount and
* num_open_zones).
- * @zone_size: size of a single zone in units of 512 bytes
- * @sectors_with_data: total size of data in all zones in units of 512 bytes
+ * @zone_size: size of a single zone in bytes.
+ * @wp_valid_data_bytes: total size of data in zones with write pointers
+ * @write_min_zone: Minimum zone index of all job's write ranges. Inclusive.
+ * @write_max_zone: Maximum zone index of all job's write ranges. Exclusive.
* @zone_size_log2: log2 of the zone size in bytes if it is a power of 2 or 0
* if the zone size is not a power of 2.
* @nr_zones: number of zones
* @refcount: number of fio files that share this structure
- * @num_open_zones: number of open zones
+ * @num_write_zones: number of write target zones
* @write_cnt: Number of writes since the latest zone reset triggered by
* the zone_reset_frequency fio job parameter.
- * @open_zones: zone numbers of open zones
+ * @write_zones: zone numbers of write target zones
* @zone_info: description of the individual zones
*
* Only devices for which all zones have the same size are supported.
* will be smaller than 'zone_size'.
*/
struct zoned_block_device_info {
- enum blk_zoned_model model;
+ enum zbd_zoned_model model;
+ uint32_t max_write_zones;
+ uint32_t max_active_zones;
pthread_mutex_t mutex;
uint64_t zone_size;
- uint64_t sectors_with_data;
+ uint64_t wp_valid_data_bytes;
+ uint32_t write_min_zone;
+ uint32_t write_max_zone;
uint32_t zone_size_log2;
uint32_t nr_zones;
uint32_t refcount;
- uint32_t num_open_zones;
+ uint32_t num_write_zones;
uint32_t write_cnt;
- uint32_t open_zones[FIO_MAX_OPEN_ZBD_ZONES];
+ uint32_t write_zones[ZBD_MAX_WRITE_ZONES];
struct fio_zone_info zone_info[0];
};
-#ifdef CONFIG_LINUX_BLKZONED
+int zbd_init_files(struct thread_data *td);
+void zbd_recalc_options_with_zone_granularity(struct thread_data *td);
+int zbd_setup_files(struct thread_data *td);
void zbd_free_zone_info(struct fio_file *f);
-int zbd_init(struct thread_data *td);
void zbd_file_reset(struct thread_data *td, struct fio_file *f);
bool zbd_unaligned_write(int error_code);
+void setup_zbd_zone_mode(struct thread_data *td, struct io_u *io_u);
+enum fio_ddir zbd_adjust_ddir(struct thread_data *td, struct io_u *io_u,
+ enum fio_ddir ddir);
enum io_u_action zbd_adjust_block(struct thread_data *td, struct io_u *io_u);
-int zbd_do_trim(struct thread_data *td, const struct io_u *io_u);
-void zbd_update_wp(struct thread_data *td, const struct io_u *io_u);
char *zbd_write_status(const struct thread_stat *ts);
-#else
-static inline void zbd_free_zone_info(struct fio_file *f)
-{
-}
-
-static inline int zbd_init(struct thread_data *td)
-{
- return 0;
-}
-
-static inline void zbd_file_reset(struct thread_data *td, struct fio_file *f)
-{
-}
-
-static inline bool zbd_unaligned_write(int error_code)
-{
- return false;
-}
-
-static inline enum io_u_action zbd_adjust_block(struct thread_data *td,
- struct io_u *io_u)
-{
- return io_u_accept;
-}
+int zbd_do_io_u_trim(struct thread_data *td, struct io_u *io_u);
+void zbd_log_err(const struct thread_data *td, const struct io_u *io_u);
-static inline int zbd_do_trim(struct thread_data *td, const struct io_u *io_u)
+static inline void zbd_close_file(struct fio_file *f)
{
- return 1;
+ if (f->zbd_info)
+ zbd_free_zone_info(f);
}
-static inline void zbd_update_wp(struct thread_data *td,
- const struct io_u *io_u)
+static inline void zbd_queue_io_u(struct thread_data *td, struct io_u *io_u,
+ enum fio_q_status status)
{
+ if (io_u->zbd_queue_io) {
+ io_u->zbd_queue_io(td, io_u, status, io_u->error == 0);
+ io_u->zbd_queue_io = NULL;
+ }
}
-static inline char *zbd_write_status(const struct thread_stat *ts)
+static inline void zbd_put_io_u(struct thread_data *td, struct io_u *io_u)
{
- return NULL;
+ if (io_u->zbd_put_io) {
+ io_u->zbd_put_io(td, io_u);
+ io_u->zbd_queue_io = NULL;
+ io_u->zbd_put_io = NULL;
+ }
}
-#endif
#endif /* FIO_ZBD_H */