summaryrefslogtreecommitdiff
path: root/include/linux/bsg.h
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2009-03-27 17:19:16 -0700
committerDavid S. Miller <davem@davemloft.net>2009-03-27 17:19:16 -0700
commita83398570e17af6bb81eb94f4f5dd356bd2828d8 (patch)
tree5b5c7c3a56898485479291b7c964a1f3887d469c /include/linux/bsg.h
parentf9384d41c02408dd404aa64d66d0ef38adcf6479 (diff)
parent0b4d569de222452bcb55a4a536ade6cf4d8d1e30 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'include/linux/bsg.h')
-rw-r--r--include/linux/bsg.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/bsg.h b/include/linux/bsg.h
index cf0303a60611..3f0c64ace424 100644
--- a/include/linux/bsg.h
+++ b/include/linux/bsg.h
@@ -7,6 +7,14 @@
#define BSG_SUB_PROTOCOL_SCSI_TMF 1
#define BSG_SUB_PROTOCOL_SCSI_TRANSPORT 2
+/*
+ * For flags member below
+ * sg.h sg_io_hdr also has bits defined for it's flags member. However
+ * none of these bits are implemented/used by bsg. The bits below are
+ * allocated to not conflict with sg.h ones anyway.
+ */
+#define BSG_FLAG_Q_AT_TAIL 0x10 /* default, == 0 at this bit, is Q_AT_HEAD */
+
struct sg_io_v4 {
__s32 guard; /* [i] 'Q' to differentiate from v3 */
__u32 protocol; /* [i] 0 -> SCSI , .... */