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authorPaolo Bonzini <pbonzini@redhat.com>2011-09-08 17:24:55 +0200
committerKevin Wolf <kwolf@redhat.com>2011-09-19 11:34:33 +0200
commitbbb74edd405bee8cf29957ef781294f40f02d4c6 (patch)
tree21b6146ec13eb98126afebc3baf421e104d5f0da /nbd.h
parentb90fb4b8f5cd01dfcf0e3b45c93977a2e3bdcc71 (diff)
nbd: sync API definitions with upstream
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'nbd.h')
-rw-r--r--nbd.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/nbd.h b/nbd.h
index b9c3b391d6..61553f4128 100644
--- a/nbd.h
+++ b/nbd.h
@@ -39,11 +39,20 @@ struct nbd_reply {
#define NBD_FLAG_HAS_FLAGS (1 << 0) /* Flags are there */
#define NBD_FLAG_READ_ONLY (1 << 1) /* Device is read-only */
+#define NBD_FLAG_SEND_FLUSH (1 << 2) /* Send FLUSH */
+#define NBD_FLAG_SEND_FUA (1 << 3) /* Send FUA (Force Unit Access) */
+#define NBD_FLAG_ROTATIONAL (1 << 4) /* Use elevator algorithm - rotational media */
+#define NBD_FLAG_SEND_TRIM (1 << 5) /* Send TRIM (discard) */
+
+#define NBD_CMD_MASK_COMMAND 0x0000ffff
+#define NBD_CMD_FLAG_FUA (1 << 16)
enum {
NBD_CMD_READ = 0,
NBD_CMD_WRITE = 1,
- NBD_CMD_DISC = 2
+ NBD_CMD_DISC = 2,
+ NBD_CMD_FLUSH = 3,
+ NBD_CMD_TRIM = 4
};
#define NBD_DEFAULT_PORT 10809