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Diffstat (limited to 'include/uapi/linux/nvme_ioctl.h')
-rw-r--r--include/uapi/linux/nvme_ioctl.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/uapi/linux/nvme_ioctl.h b/include/uapi/linux/nvme_ioctl.h
index d99b5a772698..b2e43185e3b5 100644
--- a/include/uapi/linux/nvme_ioctl.h
+++ b/include/uapi/linux/nvme_ioctl.h
@@ -55,7 +55,10 @@ struct nvme_passthru_cmd64 {
__u64 metadata;
__u64 addr;
__u32 metadata_len;
- __u32 data_len;
+ union {
+ __u32 data_len; /* for non-vectored io */
+ __u32 vec_cnt; /* for vectored io */
+ };
__u32 cdw10;
__u32 cdw11;
__u32 cdw12;
@@ -78,5 +81,6 @@ struct nvme_passthru_cmd64 {
#define NVME_IOCTL_RESCAN _IO('N', 0x46)
#define NVME_IOCTL_ADMIN64_CMD _IOWR('N', 0x47, struct nvme_passthru_cmd64)
#define NVME_IOCTL_IO64_CMD _IOWR('N', 0x48, struct nvme_passthru_cmd64)
+#define NVME_IOCTL_IO64_CMD_VEC _IOWR('N', 0x49, struct nvme_passthru_cmd64)
#endif /* _UAPI_LINUX_NVME_IOCTL_H */