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-rw-r--r--include/scsi/scsi.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 2b5b9356c314..00137a7769ee 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -9,6 +9,7 @@
9#define _SCSI_SCSI_H 9#define _SCSI_SCSI_H
10 10
11#include <linux/types.h> 11#include <linux/types.h>
12#include <scsi/scsi_cmnd.h>
12 13
13/* 14/*
14 * The maximum number of SG segments that we will put inside a 15 * The maximum number of SG segments that we will put inside a
@@ -425,6 +426,22 @@ struct scsi_lun {
425#define driver_byte(result) (((result) >> 24) & 0xff) 426#define driver_byte(result) (((result) >> 24) & 0xff)
426#define suggestion(result) (driver_byte(result) & SUGGEST_MASK) 427#define suggestion(result) (driver_byte(result) & SUGGEST_MASK)
427 428
429static inline void set_msg_byte(struct scsi_cmnd *cmd, char status)
430{
431 cmd->result |= status << 8;
432}
433
434static inline void set_host_byte(struct scsi_cmnd *cmd, char status)
435{
436 cmd->result |= status << 16;
437}
438
439static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)
440{
441 cmd->result |= status << 24;
442}
443
444
428#define sense_class(sense) (((sense) >> 4) & 0x7) 445#define sense_class(sense) (((sense) >> 4) & 0x7)
429#define sense_error(sense) ((sense) & 0xf) 446#define sense_error(sense) ((sense) & 0xf)
430#define sense_valid(sense) ((sense) & 0x80); 447#define sense_valid(sense) ((sense) & 0x80);