qla2xxx: fix sparse warnings introduced by previous target mode t10-dif patch

Fix sparse warnings introduce by "qla2xxx: T10-Dif: add T10-PI support".
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/scsi/qla2xxx/qla_def.h

@@ -1648,16 +1648,16 @@ typedef struct {
  */
 struct crc_context {
 	uint32_t handle;		/* System handle. */
-	uint32_t ref_tag;
-	uint16_t app_tag;
+	__le32 ref_tag;
+	__le16 app_tag;
 	uint8_t ref_tag_mask[4];	/* Validation/Replacement Mask*/
 	uint8_t app_tag_mask[2];	/* Validation/Replacement Mask*/
-	uint16_t guard_seed;		/* Initial Guard Seed */
-	uint16_t prot_opts;		/* Requested Data Protection Mode */
-	uint16_t blk_size;		/* Data size in bytes */
+	__le16 guard_seed;		/* Initial Guard Seed */
+	__le16 prot_opts;		/* Requested Data Protection Mode */
+	__le16 blk_size;		/* Data size in bytes */
 	uint16_t runt_blk_guard;	/* Guard value for runt block (tape
 					 * only) */
-	uint32_t byte_count;		/* Total byte count/ total data
+	__le32 byte_count;		/* Total byte count/ total data
 					 * transfer count */
 	union {
 		struct {
@@ -1671,10 +1671,10 @@ struct crc_context {
 			uint32_t	reserved_6;
 		} nobundling;
 		struct {
-			uint32_t	dif_byte_count;	/* Total DIF byte
+			__le32	dif_byte_count;	/* Total DIF byte
 							 * count */
 			uint16_t	reserved_1;
-			uint16_t	dseg_count;	/* Data segment count */
+			__le16	dseg_count;	/* Data segment count */
 			uint32_t	reserved_2;
 			uint32_t	data_address[2];
 			uint32_t	data_length;

drivers/scsi/qla2xxx/qla_target.c

@@ -1997,7 +1997,7 @@ qlt_set_t10dif_tags(struct se_cmd *se_cmd, struct crc_context *ctx)
 	 * have been immplemented by TCM, before AppTag is avail.
 	 * Look for modesense_handlers[]
 	 */
-	ctx->app_tag = __constant_cpu_to_le16(0);
+	ctx->app_tag = 0;
 	ctx->app_tag_mask[0] = 0x0;
 	ctx->app_tag_mask[1] = 0x0;
 
@@ -2079,6 +2079,7 @@ qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha)
 	struct se_cmd		*se_cmd = &cmd->se_cmd;
 	uint32_t h;
 	struct atio_from_isp *atio = &prm->cmd->atio;
+	uint16_t t16;
 
 	sgc = 0;
 	ha = vha->hw;
@@ -2175,8 +2176,13 @@ qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha)
 	pkt->initiator_id[1] = atio->u.isp24.fcp_hdr.s_id[1];
 	pkt->initiator_id[2] = atio->u.isp24.fcp_hdr.s_id[0];
 	pkt->exchange_addr   = atio->u.isp24.exchange_addr;
-	pkt->ox_id  = swab16(atio->u.isp24.fcp_hdr.ox_id);
-	pkt->flags |= (atio->u.isp24.attr << 9);
+
+	/* silence compile warning */
+	t16 = be16_to_cpu(atio->u.isp24.fcp_hdr.ox_id);
+	pkt->ox_id  = cpu_to_le16(t16);
+
+	t16 = (atio->u.isp24.attr << 9);
+	pkt->flags |= cpu_to_le16(t16);
 	pkt->relative_offset = cpu_to_le32(prm->cmd->offset);
 
 	/* Set transfer direction */
@@ -2251,8 +2257,7 @@ qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha)
 
 	if (bundling && prm->prot_seg_cnt) {
 		/* Walks dif segments */
-		pkt->add_flags |=
-			__constant_cpu_to_le16(CTIO_CRC2_AF_DIF_DSD_ENA);
+		pkt->add_flags |= CTIO_CRC2_AF_DIF_DSD_ENA;
 
 		cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address;
 		if (qla24xx_walk_and_build_prot_sglist(ha, NULL, cur_dsd,

drivers/scsi/qla2xxx/qla_target.h

@@ -316,7 +316,7 @@ struct fcp_hdr {
 	uint8_t  seq_id;
 	uint8_t  df_ctl;
 	uint16_t seq_cnt;
-	uint16_t ox_id;
+	__be16   ox_id;
 	uint16_t rx_id;
 	uint32_t parameter;
 } __packed;
@@ -441,7 +441,7 @@ struct ctio7_to_24xx {
 	union {
 		struct {
 			uint16_t reserved1;
-			uint16_t flags;
+			__le16 flags;
 			uint32_t residual;
 			uint16_t ox_id;
 			uint16_t scsi_status;
@@ -527,7 +527,7 @@ struct ctio_crc2_to_fw {
 
 	uint32_t handle;		/* System handle. */
 	uint16_t nport_handle;		/* N_PORT handle. */
-	uint16_t timeout;		/* Command timeout. */
+	__le16 timeout;		/* Command timeout. */
 
 	uint16_t dseg_count;		/* Data segment count. */
 	uint8_t  vp_index;
@@ -538,15 +538,15 @@ struct ctio_crc2_to_fw {
 	uint8_t  reserved1;
 	uint32_t exchange_addr;		/* rcv exchange address */
 	uint16_t reserved2;
-	uint16_t flags;			/* refer to CTIO7 flags values */
+	__le16 flags;			/* refer to CTIO7 flags values */
 	uint32_t residual;
-	uint16_t ox_id;
+	__le16 ox_id;
 	uint16_t scsi_status;
-	uint32_t relative_offset;
+	__le32 relative_offset;
 	uint32_t reserved5;
-	uint32_t transfer_length;		/* total fc transfer length */
+	__le32 transfer_length;		/* total fc transfer length */
 	uint32_t reserved6;
-	uint32_t crc_context_address[2];/* Data segment address. */
+	__le32 crc_context_address[2];/* Data segment address. */
 	uint16_t crc_context_len;	/* Data segment length. */
 	uint16_t reserved_1;		/* MUST be set to 0. */
 } __packed;