1*cf84ac9aSAndroid Build Coastguard Worker/* 2*cf84ac9aSAndroid Build Coastguard Worker * Some flags are not defined in <linux/nbd.h>, but are passed anyway. 3*cf84ac9aSAndroid Build Coastguard Worker * These flags are sent from nbd-server to the client, and the client 4*cf84ac9aSAndroid Build Coastguard Worker * passes them to the kernel unmodified after parsing. Both the client 5*cf84ac9aSAndroid Build Coastguard Worker * and the kernel ignore flags unknown to them. 6*cf84ac9aSAndroid Build Coastguard Worker */ 7*cf84ac9aSAndroid Build Coastguard Worker 8*cf84ac9aSAndroid Build Coastguard Worker/* The server supports flags */ 9*cf84ac9aSAndroid Build Coastguard WorkerNBD_FLAG_HAS_FLAGS (1 << 0) 10*cf84ac9aSAndroid Build Coastguard Worker/* The export is read-only */ 11*cf84ac9aSAndroid Build Coastguard WorkerNBD_FLAG_READ_ONLY (1 << 1) 12*cf84ac9aSAndroid Build Coastguard Worker/* The server supports NBD_CMD_FLUSH */ 13*cf84ac9aSAndroid Build Coastguard WorkerNBD_FLAG_SEND_FLUSH (1 << 2) 14*cf84ac9aSAndroid Build Coastguard Worker/* The server supports NBD_CMD_FLAG_FUA (Force Unit Access) */ 15*cf84ac9aSAndroid Build Coastguard WorkerNBD_FLAG_SEND_FUA (1 << 3) 16*cf84ac9aSAndroid Build Coastguard Worker/* The export is a rotational medium */ 17*cf84ac9aSAndroid Build Coastguard WorkerNBD_FLAG_ROTATIONAL (1 << 4) 18*cf84ac9aSAndroid Build Coastguard Worker/* The server supports NBD_CMD_TRIM */ 19*cf84ac9aSAndroid Build Coastguard WorkerNBD_FLAG_SEND_TRIM (1 << 5) 20*cf84ac9aSAndroid Build Coastguard Worker/* The server supports NBD_CMD_WRITE_ZEROES and NBD_CMD_FLAG_NO_HOLE */ 21*cf84ac9aSAndroid Build Coastguard WorkerNBD_FLAG_SEND_WRITE_ZEROES (1 << 6) 22*cf84ac9aSAndroid Build Coastguard Worker/* The server supports NBD_CMD_FLAG_DF (don't fragment replies) */ 23*cf84ac9aSAndroid Build Coastguard WorkerNBD_FLAG_SEND_DF (1 << 7) 24*cf84ac9aSAndroid Build Coastguard Worker/* The server supports multiple connections */ 25*cf84ac9aSAndroid Build Coastguard WorkerNBD_FLAG_CAN_MULTI_CONN (1 << 8) 26*cf84ac9aSAndroid Build Coastguard Worker/* The server supports NBD_CMD_RESIZE (resizing the device) */ 27*cf84ac9aSAndroid Build Coastguard WorkerNBD_FLAG_SEND_RESIZE (1 << 9) 28*cf84ac9aSAndroid Build Coastguard Worker/* The server supports NBD_CMD_CACHE */ 29*cf84ac9aSAndroid Build Coastguard WorkerNBD_FLAG_SEND_CACHE (1 << 10) 30