Commit b59281ac authored by Axel Haslam's avatar Axel Haslam Committed by Greg Kroah-Hartman
Browse files

greybus: loopback: Add reserved fields to transfer request 



All loopback transfer operations should have an identical header
format in order to facilitate bandwidth and data movement analysis.

Suggested-by: default avatarBryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: default avatarAxel Haslam <ahaslam@baylibre.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
parent ee97e24a

drivers/staging/greybus/greybus_protocols.h

+6 −0
Original line number Diff line number Diff line
@@ -1053,8 +1053,14 @@ struct gb_uart_serial_state_request { 
#define GB_LOOPBACK_TYPE_TRANSFER		0x03

#define GB_LOOPBACK_TYPE_SINK			0x04



/*

 * Loopback request/response header format should be identical

 * to simplify bandwidth and data movement analysis.

 */

struct gb_loopback_transfer_request {

	__le32	len;

	__le32  reserved0;

	__le32  reserved1;

	__u8	data[0];

} __packed;