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-rw-r--r--engines/skeleton_external.c43
-rw-r--r--ioengines.h9
-rw-r--r--zbd.c17
3 files changed, 63 insertions, 6 deletions
diff --git a/engines/skeleton_external.c b/engines/skeleton_external.c
index 1b6625b2..7f3e4cb3 100644
--- a/engines/skeleton_external.c
+++ b/engines/skeleton_external.c
@@ -154,6 +154,46 @@ static int fio_skeleton_close(struct thread_data *td, struct fio_file *f)
}
/*
+ * Hook for getting the zoned model of a zoned block device for zonemode=zbd.
+ * The zoned model can be one of (see zbd_types.h):
+ * - ZBD_IGNORE: skip regular files
+ * - ZBD_NONE: regular block device (zone emulation will be used)
+ * - ZBD_HOST_AWARE: host aware zoned block device
+ * - ZBD_HOST_MANAGED: host managed zoned block device
+ */
+static int fio_skeleton_get_zoned_model(struct thread_data *td,
+ struct fio_file *f, enum zbd_zoned_model *model)
+{
+ *model = ZBD_NONE;
+ return 0;
+}
+
+/*
+ * Hook called for getting zone information of a ZBD_HOST_AWARE or
+ * ZBD_HOST_MANAGED zoned block device. Up to @nr_zones zone information
+ * structures can be reported using the array zones for zones starting from
+ * @offset. The number of zones reported must be returned or a negative error
+ * code in case of error.
+ */
+static int fio_skeleton_report_zones(struct thread_data *td, struct fio_file *f,
+ uint64_t offset, struct zbd_zone *zones,
+ unsigned int nr_zones)
+{
+ return 0;
+}
+
+/*
+ * Hook called for resetting the write pointer position of zones of a
+ * ZBD_HOST_AWARE or ZBD_HOST_MANAGED zoned block device. The write pointer
+ * position of all zones in the range @offset..@offset + @length must be reset.
+ */
+static int fio_skeleton_reset_wp(struct thread_data *td, struct fio_file *f,
+ uint64_t offset, uint64_t length)
+{
+ return 0;
+}
+
+/*
* Note that the structure is exported, so that fio can get it via
* dlsym(..., "ioengine"); for (and only for) external engines.
*/
@@ -169,6 +209,9 @@ struct ioengine_ops ioengine = {
.cleanup = fio_skeleton_cleanup,
.open_file = fio_skeleton_open,
.close_file = fio_skeleton_close,
+ .get_zoned_model = fio_skeleton_get_zoned_model,
+ .report_zones = fio_skeleton_report_zones,
+ .reset_wp = fio_skeleton_reset_wp,
.options = options,
.option_struct_size = sizeof(struct fio_skeleton_options),
};
diff --git a/ioengines.h b/ioengines.h
index 01a9b586..f48b4db9 100644
--- a/ioengines.h
+++ b/ioengines.h
@@ -6,8 +6,9 @@
#include "compiler/compiler.h"
#include "flist.h"
#include "io_u.h"
+#include "zbd_types.h"
-#define FIO_IOOPS_VERSION 25
+#define FIO_IOOPS_VERSION 26
/*
* io_ops->queue() return values
@@ -44,6 +45,12 @@ struct ioengine_ops {
void (*iomem_free)(struct thread_data *);
int (*io_u_init)(struct thread_data *, struct io_u *);
void (*io_u_free)(struct thread_data *, struct io_u *);
+ int (*get_zoned_model)(struct thread_data *td,
+ struct fio_file *f, enum zbd_zoned_model *);
+ int (*report_zones)(struct thread_data *, struct fio_file *,
+ uint64_t, struct zbd_zone *, unsigned int);
+ int (*reset_wp)(struct thread_data *, struct fio_file *,
+ uint64_t, uint64_t);
int option_struct_size;
struct fio_option *options;
};
diff --git a/zbd.c b/zbd.c
index b89d56c4..2a324d34 100644
--- a/zbd.c
+++ b/zbd.c
@@ -31,7 +31,10 @@ int zbd_get_zoned_model(struct thread_data *td, struct fio_file *f,
{
int ret;
- ret = blkzoned_get_zoned_model(td, f, model);
+ if (td->io_ops && td->io_ops->get_zoned_model)
+ ret = td->io_ops->get_zoned_model(td, f, model);
+ else
+ ret = blkzoned_get_zoned_model(td, f, model);
if (ret < 0) {
td_verror(td, errno, "get zoned model failed");
log_err("%s: get zoned model failed (%d).\n",
@@ -62,7 +65,10 @@ int zbd_report_zones(struct thread_data *td, struct fio_file *f,
{
int ret;
- ret = blkzoned_report_zones(td, f, offset, zones, nr_zones);
+ if (td->io_ops && td->io_ops->report_zones)
+ ret = td->io_ops->report_zones(td, f, offset, zones, nr_zones);
+ else
+ ret = blkzoned_report_zones(td, f, offset, zones, nr_zones);
if (ret < 0) {
td_verror(td, errno, "report zones failed");
log_err("%s: report zones from sector %llu failed (%d).\n",
@@ -92,7 +98,10 @@ int zbd_reset_wp(struct thread_data *td, struct fio_file *f,
{
int ret;
- ret = blkzoned_reset_wp(td, f, offset, length);
+ if (td->io_ops && td->io_ops->reset_wp)
+ ret = td->io_ops->reset_wp(td, f, offset, length);
+ else
+ ret = blkzoned_reset_wp(td, f, offset, length);
if (ret < 0) {
td_verror(td, errno, "resetting wp failed");
log_err("%s: resetting wp for %llu sectors at sector %llu failed (%d).\n",
@@ -623,7 +632,6 @@ static int zbd_reset_range(struct thread_data *td, struct fio_file *f,
struct fio_zone_info *zb, *ze, *z;
int ret = 0;
- assert(f->fd != -1);
assert(is_valid_offset(f, offset + length - 1));
switch (f->zbd_info->model) {
@@ -699,7 +707,6 @@ static int zbd_reset_zones(struct thread_data *td, struct fio_file *f,
dprint(FD_ZBD, "%s: examining zones %u .. %u\n", f->file_name,
zbd_zone_nr(f->zbd_info, zb), zbd_zone_nr(f->zbd_info, ze));
- assert(f->fd != -1);
for (z = zb; z < ze; z++) {
if (!zbd_zone_swr(z))
continue;