Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index a7d4f50..1eab779 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -76,7 +76,6 @@
 #ifdef CONFIG_BLK_DEV_ZONED
 	u32		nr_zones;
 	u32		zone_blocks;
-	u32		zone_shift;
 	u32		zones_optimal_open;
 	u32		zones_optimal_nonseq;
 	u32		zones_max_open;
@@ -133,7 +132,7 @@
 
 #define sd_first_printk(prefix, sdsk, fmt, a...)			\
 	do {								\
-		if ((sdkp)->first_scan)					\
+		if ((sdsk)->first_scan)					\
 			sd_printk(prefix, sdsk, fmt, ##a);		\
 	} while (0)
 
@@ -189,68 +188,6 @@
 	return sector >> (ilog2(sdev->sector_size) - 9);
 }
 
-/*
- * Look up the DIX operation based on whether the command is read or
- * write and whether dix and dif are enabled.
- */
-static inline unsigned int sd_prot_op(bool write, bool dix, bool dif)
-{
-	/* Lookup table: bit 2 (write), bit 1 (dix), bit 0 (dif) */
-	const unsigned int ops[] = {	/* wrt dix dif */
-		SCSI_PROT_NORMAL,	/*  0	0   0  */
-		SCSI_PROT_READ_STRIP,	/*  0	0   1  */
-		SCSI_PROT_READ_INSERT,	/*  0	1   0  */
-		SCSI_PROT_READ_PASS,	/*  0	1   1  */
-		SCSI_PROT_NORMAL,	/*  1	0   0  */
-		SCSI_PROT_WRITE_INSERT, /*  1	0   1  */
-		SCSI_PROT_WRITE_STRIP,	/*  1	1   0  */
-		SCSI_PROT_WRITE_PASS,	/*  1	1   1  */
-	};
-
-	return ops[write << 2 | dix << 1 | dif];
-}
-
-/*
- * Returns a mask of the protection flags that are valid for a given DIX
- * operation.
- */
-static inline unsigned int sd_prot_flag_mask(unsigned int prot_op)
-{
-	const unsigned int flag_mask[] = {
-		[SCSI_PROT_NORMAL]		= 0,
-
-		[SCSI_PROT_READ_STRIP]		= SCSI_PROT_TRANSFER_PI |
-						  SCSI_PROT_GUARD_CHECK |
-						  SCSI_PROT_REF_CHECK |
-						  SCSI_PROT_REF_INCREMENT,
-
-		[SCSI_PROT_READ_INSERT]		= SCSI_PROT_REF_INCREMENT |
-						  SCSI_PROT_IP_CHECKSUM,
-
-		[SCSI_PROT_READ_PASS]		= SCSI_PROT_TRANSFER_PI |
-						  SCSI_PROT_GUARD_CHECK |
-						  SCSI_PROT_REF_CHECK |
-						  SCSI_PROT_REF_INCREMENT |
-						  SCSI_PROT_IP_CHECKSUM,
-
-		[SCSI_PROT_WRITE_INSERT]	= SCSI_PROT_TRANSFER_PI |
-						  SCSI_PROT_REF_INCREMENT,
-
-		[SCSI_PROT_WRITE_STRIP]		= SCSI_PROT_GUARD_CHECK |
-						  SCSI_PROT_REF_CHECK |
-						  SCSI_PROT_REF_INCREMENT |
-						  SCSI_PROT_IP_CHECKSUM,
-
-		[SCSI_PROT_WRITE_PASS]		= SCSI_PROT_TRANSFER_PI |
-						  SCSI_PROT_GUARD_CHECK |
-						  SCSI_PROT_REF_CHECK |
-						  SCSI_PROT_REF_INCREMENT |
-						  SCSI_PROT_IP_CHECKSUM,
-	};
-
-	return flag_mask[prot_op];
-}
-
 #ifdef CONFIG_BLK_DEV_INTEGRITY
 
 extern void sd_dif_config_host(struct scsi_disk *);
@@ -271,12 +208,12 @@
 #ifdef CONFIG_BLK_DEV_ZONED
 
 extern int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buffer);
-extern void sd_zbc_remove(struct scsi_disk *sdkp);
 extern void sd_zbc_print_zones(struct scsi_disk *sdkp);
-extern int sd_zbc_setup_report_cmnd(struct scsi_cmnd *cmd);
-extern int sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd);
+extern blk_status_t sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd, bool all);
 extern void sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
 			    struct scsi_sense_hdr *sshdr);
+extern int sd_zbc_report_zones(struct gendisk *disk, sector_t sector,
+			       struct blk_zone *zones, unsigned int *nr_zones);
 
 #else /* CONFIG_BLK_DEV_ZONED */
 
@@ -286,24 +223,20 @@
 	return 0;
 }
 
-static inline void sd_zbc_remove(struct scsi_disk *sdkp) {}
-
 static inline void sd_zbc_print_zones(struct scsi_disk *sdkp) {}
 
-static inline int sd_zbc_setup_report_cmnd(struct scsi_cmnd *cmd)
+static inline blk_status_t sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd,
+						   bool all)
 {
-	return BLKPREP_INVALID;
-}
-
-static inline int sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd)
-{
-	return BLKPREP_INVALID;
+	return BLK_STS_TARGET;
 }
 
 static inline void sd_zbc_complete(struct scsi_cmnd *cmd,
 				   unsigned int good_bytes,
 				   struct scsi_sense_hdr *sshdr) {}
 
+#define sd_zbc_report_zones NULL
+
 #endif /* CONFIG_BLK_DEV_ZONED */
 
 #endif /* _SCSI_DISK_H */