#include <linux/blkzoned.h>
+/*
+ * If the uapi headers installed on the system lacks zone capacity support,
+ * use our local versions. If the installed headers are recent enough to
+ * support zone capacity, do not redefine any structs.
+ */
+#ifndef CONFIG_HAVE_REP_CAPACITY
+#define BLK_ZONE_REP_CAPACITY (1 << 0)
+
+struct blk_zone_v2 {
+ __u64 start; /* Zone start sector */
+ __u64 len; /* Zone length in number of sectors */
+ __u64 wp; /* Zone write pointer position */
+ __u8 type; /* Zone type */
+ __u8 cond; /* Zone condition */
+ __u8 non_seq; /* Non-sequential write resources active */
+ __u8 reset; /* Reset write pointer recommended */
+ __u8 resv[4];
+ __u64 capacity; /* Zone capacity in number of sectors */
+ __u8 reserved[24];
+};
+#define blk_zone blk_zone_v2
+
+struct blk_zone_report_v2 {
+ __u64 sector;
+ __u32 nr_zones;
+ __u32 flags;
+struct blk_zone zones[0];
+};
+#define blk_zone_report blk_zone_report_v2
+#endif /* CONFIG_HAVE_REP_CAPACITY */
+
/*
* Read up to 255 characters from the first line of a file. Strip the trailing
* newline.
static uint64_t zone_capacity(struct blk_zone_report *hdr,
struct blk_zone *blkz)
{
-#ifdef CONFIG_HAVE_REP_CAPACITY
if (hdr->flags & BLK_ZONE_REP_CAPACITY)
return blkz->capacity << 9;
-#endif
return blkz->len << 9;
}