diff options
Diffstat (limited to 'include/scsi/scsi_eh.h')
| -rw-r--r-- | include/scsi/scsi_eh.h | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h index c5c0f6762a0..06a8790893e 100644 --- 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 */ |