Merge branch 'genirq-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-omap-h63xx.git] / include / scsi / scsi_eh.h

diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
index c5c0f6762a013b0ebcd186e668e4a6f61a9f18cd..06a8790893ef60e15cdd100550134e698e6a5e2e 100644 (file)
--- a/include/scsi/scsi_eh.h
+++ b/include/scsi/scsi_eh.h
@@ -1,7 +1,9 @@
 #ifndef _SCSI_SCSI_EH_H
 #define _SCSI_SCSI_EH_H
 
-struct scsi_cmnd;
+#include <linux/scatterlist.h>
+
+#include <scsi/scsi_cmnd.h>
 struct scsi_device;
 struct Scsi_Host;
 
@@ -55,14 +57,39 @@ extern const u8 * scsi_sense_desc_find(const u8 * sense_buffer, int sb_len,
 
 extern int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len,
                                   u64 * info_out);
- 
+
+extern void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq);
+
 /*
  * Reset request from external source
  */
 #define SCSI_TRY_RESET_DEVICE  1
 #define SCSI_TRY_RESET_BUS     2
 #define SCSI_TRY_RESET_HOST    3
+#define SCSI_TRY_RESET_TARGET  4
 
 extern int scsi_reset_provider(struct scsi_device *, int);
 
+struct scsi_eh_save {
+       /* saved state */
+       int result;
+       enum dma_data_direction data_direction;
+       unsigned underflow;
+       unsigned char cmd_len;
+       unsigned char prot_op;
+       unsigned char *cmnd;
+       struct scsi_data_buffer sdb;
+       struct request *next_rq;
+       /* new command support */
+       unsigned char eh_cmnd[BLK_MAX_CDB];
+       struct scatterlist sense_sgl;
+};
+
+extern void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd,
+               struct scsi_eh_save *ses, unsigned char *cmnd,
+               int cmnd_size, unsigned sense_bytes);
+
+extern void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd,
+               struct scsi_eh_save *ses);
+
 #endif /* _SCSI_SCSI_EH_H */