staging: unisys: remove unused code from iochannel.h

The following macros and functions are unused, and should be deleted:

NUMSIGNALS
IO_CHANNEL_SIZE
QSLOTSFROMBYTES
QSIZEFROMBYTES
SignalQInit
INIT_CLIENTSTRING
ULTRA_IO_CHANNEL_SERVER_READY
ULTRA_IO_CHANNEL_SERVER_NOTREADY
ULTRA_VHBA_init_channel
ULTRA_VHBA_set_max
ULTRA_VNIC_init_channel
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/common-spar/include/channels/iochannel.h

@@ -712,136 +712,11 @@ struct spar_io_channel_protocol {
 * INLINE functions for initializing and accessing I/O data channels
 */
 
-#define NUMSIGNALS(x, q) \
-		(((struct spar_io_channel_protocol *)(x))->q.MaxSignalSlots)
 #define SIZEOF_PROTOCOL (COVER(sizeof(struct spar_io_channel_protocol), 64))
 #define SIZEOF_CMDRSP (COVER(sizeof(struct uiscmdrsp), 64))
 
-#define IO_CHANNEL_SIZE(x) COVER(SIZEOF_PROTOCOL + \
-				 (NUMSIGNALS(x, cmd_q) + \
-				  NUMSIGNALS(x, rsp_q)) * SIZEOF_CMDRSP, 4096)
 #define MIN_IO_CHANNEL_SIZE COVER(SIZEOF_PROTOCOL + \
 				  2 * MIN_NUMSIGNALS * SIZEOF_CMDRSP, 4096)
-#ifdef __GNUC__
-/* These defines should only ever be used in service partitons */
-/* because they rely on the size of uiscmdrsp */
-#define QSLOTSFROMBYTES(bytes) (((bytes-SIZEOF_PROTOCOL)/2)/SIZEOF_CMDRSP)
-#define QSIZEFROMBYTES(bytes) (QSLOTSFROMBYTES(bytes)*SIZEOF_CMDRSP)
-#define SignalQInit(x)						\
-	do {							\
-		x->cmd_q.size = QSIZEFROMBYTES(x->channel_header.size);	\
-		x->cmd_q.sig_base_offset = SIZEOF_PROTOCOL -		\
-			offsetof(struct spar_io_channel_protocol, cmd_q);\
-		x->cmd_q.signal_size = SIZEOF_CMDRSP;			\
-		x->cmd_q.max_slots =				\
-			QSLOTSFROMBYTES(x->channel_header.size);	\
-		x->cmd_q.max_signals = x->cmd_q.max_slots - 1;	\
-		x->rsp_q.size = QSIZEFROMBYTES(x->channel_header.size);	\
-		x->rsp_q.sig_base_offset =				\
-			(SIZEOF_PROTOCOL + x->cmd_q.size) -		\
-			offsetof(struct spar_io_channel_protocol, rsp_q);\
-		x->rsp_q.signal_size = SIZEOF_CMDRSP;			\
-		x->rsp_q.max_slots =				\
-			QSLOTSFROMBYTES(x->channel_header.size);	\
-		x->rsp_q.max_signals = x->rsp_q.max_slots - 1;	\
-		x->channel_header.ch_space_offset =			\
-			offsetof(struct spar_io_channel_protocol, cmd_q);\
-	} while (0)
-
-#define INIT_CLIENTSTRING(chan, type, clientStr, clientStrLen)	\
-	do {								\
-		if (clientStr) {					\
-			chan->channel_header.cli_str_offset =		\
-				offsetof(type, client_string);		\
-			memcpy(chan->client_string, clientStr,		\
-			       MINNUM(clientStrLen,			\
-				      (u32)(MAX_CLIENTSTRING_LEN - 1))); \
-			chan->client_string[MINNUM(clientStrLen,	\
-						  (u32)(MAX_CLIENTSTRING_LEN \
-							 - 1))]		\
-				= '\0';					\
-		}							\
-		else							\
-			if (clientStrLen > 0)				\
-				return 0;				\
-	} while (0)
-
-#define ULTRA_IO_CHANNEL_SERVER_READY(x, chanId, logCtx) \
-	ULTRA_CHANNEL_SERVER_TRANSITION(x, chanId, SrvState, CHANNELSRV_READY, \
-					logCtx)
-
-#define ULTRA_IO_CHANNEL_SERVER_NOTREADY(x, chanId, logCtx)	\
-	ULTRA_CHANNEL_SERVER_TRANSITION(x, chanId, SrvState, \
-					CHANNELSRV_UNINITIALIZED, logCtx)
-
-static inline int ULTRA_VHBA_init_channel(struct spar_io_channel_protocol *x,
-					      struct vhba_wwnn *wwnn,
-					      struct vhba_config_max *max,
-					      unsigned char *clientStr,
-					      u32 clientStrLen, u64 bytes)  {
-	memset(x, 0, sizeof(struct spar_io_channel_protocol));
-	x->channel_header.version_id = ULTRA_VHBA_CHANNEL_PROTOCOL_VERSIONID;
-	x->channel_header.signature = ULTRA_VHBA_CHANNEL_PROTOCOL_SIGNATURE;
-	x->channel_header.srv_state = CHANNELSRV_UNINITIALIZED;
-	x->channel_header.header_size = sizeof(x->channel_header);
-	x->channel_header.size = COVER(bytes, 4096);
-	x->channel_header.chtype = spar_vhba_channel_protocol_uuid;
-	x->channel_header.zone_uuid = NULL_UUID_LE;
-	x->vhba.wwnn = *wwnn;
-	x->vhba.max = *max;
-	INIT_CLIENTSTRING(x, struct spar_io_channel_protocol, clientStr,
-			  clientStrLen);
-	SignalQInit(x);
-	if ((x->cmd_q.max_slots > MAX_NUMSIGNALS) ||
-	     (x->rsp_q.max_slots > MAX_NUMSIGNALS)) {
-		return 0;
-	}
-	if ((x->cmd_q.max_slots < MIN_NUMSIGNALS) ||
-	     (x->rsp_q.max_slots < MIN_NUMSIGNALS)) {
-		return 0;
-	}
-	return 1;
-}
-
-static inline void ULTRA_VHBA_set_max(struct spar_io_channel_protocol *x,
-				      struct vhba_config_max *max)  {
-	x->vhba.max = *max;
-}
-
-static inline int ULTRA_VNIC_init_channel(struct spar_io_channel_protocol *x,
-						 unsigned char *macaddr,
-						 u32 num_rcv_bufs, u32 mtu,
-						 uuid_le zoneGuid,
-						 unsigned char *clientStr,
-						 u32 clientStrLen,
-						 u64 bytes)  {
-	memset(x, 0, sizeof(struct spar_io_channel_protocol));
-	x->channel_header.version_id = ULTRA_VNIC_CHANNEL_PROTOCOL_VERSIONID;
-	x->channel_header.signature = ULTRA_VNIC_CHANNEL_PROTOCOL_SIGNATURE;
-	x->channel_header.srv_state = CHANNELSRV_UNINITIALIZED;
-	x->channel_header.header_size = sizeof(x->channel_header);
-	x->channel_header.size = COVER(bytes, 4096);
-	x->channel_header.chtype = spar_vnic_channel_protocol_uuid;
-	x->channel_header.zone_uuid = NULL_UUID_LE;
-	memcpy(x->vnic.macaddr, macaddr, MAX_MACADDR_LEN);
-	x->vnic.num_rcv_bufs = num_rcv_bufs;
-	x->vnic.mtu = mtu;
-	x->vnic.zone_uuid = zoneGuid;
-	INIT_CLIENTSTRING(x, struct spar_io_channel_protocol, clientStr,
-			   clientStrLen);
-	SignalQInit(x);
-	if ((x->cmd_q.max_slots > MAX_NUMSIGNALS) ||
-	     (x->rsp_q.max_slots > MAX_NUMSIGNALS)) {
-		return 0;
-	}
-	if ((x->cmd_q.max_slots < MIN_NUMSIGNALS) ||
-	     (x->rsp_q.max_slots < MIN_NUMSIGNALS)) {
-		return 0;
-	}
-	return 1;
-}
-
-#endif	/* __GNUC__ */
 
 /*
 * INLINE function for expanding a guest's pfn-off-size into multiple 4K page