zbd: remove zbd_zoned_model ZBD_IGNORE

[fio.git] / engines / skeleton_external.c

diff --git a/engines/skeleton_external.c b/engines/skeleton_external.c
index 7e08afbb0fb34ed415d6a5548903c675baf97f70..cff83a10ef6c2631f6df2045bec6f4ffe6a238d8 100644 (file)
--- a/engines/skeleton_external.c
+++ b/engines/skeleton_external.c
@@ -3,7 +3,7 @@
  *
  * Should be compiled with:
  *
- * gcc -Wall -O2 -g -shared -rdynamic -fPIC -o skeleton_external.o skeleton_external.c
+ * gcc -Wall -O2 -g -D_GNU_SOURCE -include ../config-host.h -shared -rdynamic -fPIC -o skeleton_external.o skeleton_external.c
  * (also requires -D_GNU_SOURCE -DCONFIG_STRSEP on Linux)
  *
  */
@@ -90,8 +90,8 @@ static int fio_skeleton_cancel(struct thread_data *td, struct io_u *io_u)
  * io_u->xfer_buflen. Residual data count may be set in io_u->resid
  * for a short read/write.
  */
-static enum fio_q_status
-fio_skeleton_queue(struct thread_data *td, struct io_u *io_u)
+static enum fio_q_status fio_skeleton_queue(struct thread_data *td,
+                                           struct io_u *io_u)
 {
        /*
         * Double sanity check to catch errant write on a readonly setup
@@ -153,6 +153,57 @@ static int fio_skeleton_close(struct thread_data *td, struct fio_file *f)
        return generic_close_file(td, 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_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;
+}
+
+/*
+ * Hook called for getting the maximum number of open zones for a
+ * ZBD_HOST_MANAGED zoned block device.
+ * A @max_open_zones value set to zero means no limit.
+ */
+static int fio_skeleton_get_max_open_zones(struct thread_data *td,
+                                          struct fio_file *f,
+                                          unsigned int *max_open_zones)
+{
+       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 +220,10 @@ 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,
+       .get_max_open_zones = fio_skeleton_get_max_open_zones,
        .options        = options,
        .option_struct_size     = sizeof(struct fio_skeleton_options),
 };