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| author | Niklas Cassel <niklas.cassel@wdc.com> | 2021-05-14 12:53:15 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-05-14 08:57:32 -0600 |
| commit | e8267436fd7a02d819f3d0a2a77527d2f942e08b (patch) | |
| tree | 06fefe1bbcb137506b73e9626b4e457a43064526 /engines/libzbc.c | |
| parent | d2f442bc0bd507510089d56cd510616093415702 (diff) | |
| download | fio-e8267436fd7a02d819f3d0a2a77527d2f942e08b.tar.gz fio-e8267436fd7a02d819f3d0a2a77527d2f942e08b.tar.bz2 | |
engines/libzbc: add support for the get_max_open_zones io op
Add support for the new .get_max_open_zones io operation.
zbc.c will only ever call this callback for host-managed devices.
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'engines/libzbc.c')
| -rw-r--r-- | engines/libzbc.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/engines/libzbc.c b/engines/libzbc.c index 2aacf7bb..3dde93db 100644 --- a/engines/libzbc.c +++ b/engines/libzbc.c @@ -19,6 +19,7 @@ struct libzbc_data { struct zbc_device *zdev; enum zbc_dev_model model; uint64_t nr_sectors; + uint32_t max_open_seq_req; }; static int libzbc_get_dev_info(struct libzbc_data *ld, struct fio_file *f) @@ -32,6 +33,7 @@ static int libzbc_get_dev_info(struct libzbc_data *ld, struct fio_file *f) zbc_get_device_info(ld->zdev, zinfo); ld->model = zinfo->zbd_model; ld->nr_sectors = zinfo->zbd_sectors; + ld->max_open_seq_req = zinfo->zbd_max_nr_open_seq_req; dprint(FD_ZBD, "%s: vendor_id:%s, type: %s, model: %s\n", f->file_name, zinfo->zbd_vendor_id, @@ -335,6 +337,24 @@ err: return -ret; } +static int libzbc_get_max_open_zones(struct thread_data *td, struct fio_file *f, + unsigned int *max_open_zones) +{ + struct libzbc_data *ld; + int ret; + + ret = libzbc_open_dev(td, f, &ld); + if (ret) + return ret; + + if (ld->max_open_seq_req == ZBC_NO_LIMIT) + *max_open_zones = 0; + else + *max_open_zones = ld->max_open_seq_req; + + return 0; +} + ssize_t libzbc_rw(struct thread_data *td, struct io_u *io_u) { struct libzbc_data *ld = td->io_ops_data; @@ -414,6 +434,7 @@ FIO_STATIC struct ioengine_ops ioengine = { .get_zoned_model = libzbc_get_zoned_model, .report_zones = libzbc_report_zones, .reset_wp = libzbc_reset_wp, + .get_max_open_zones = libzbc_get_max_open_zones, .queue = libzbc_queue, .flags = FIO_SYNCIO | FIO_NOEXTEND | FIO_RAWIO, }; |