forked from luck/tmp_suning_uos_patched
fe16d4f202
This reverts commit a1524f226a.
As implemented, ACS-4 sense reporting for ATA devices bypasses error
diagnosis and handling in libata degrading EH behavior significantly.
Revert the related changes for now.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Hannes Reinecke <hare@suse.de>
Cc: stable@vger.kernel.org #v4.1+
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
#ifndef _SCSI_SCSI_EH_H
|
|
#define _SCSI_SCSI_EH_H
|
|
|
|
#include <linux/scatterlist.h>
|
|
|
|
#include <scsi/scsi_cmnd.h>
|
|
#include <scsi/scsi_common.h>
|
|
struct scsi_device;
|
|
struct Scsi_Host;
|
|
|
|
extern void scsi_eh_finish_cmd(struct scsi_cmnd *scmd,
|
|
struct list_head *done_q);
|
|
extern void scsi_eh_flush_done_q(struct list_head *done_q);
|
|
extern void scsi_report_bus_reset(struct Scsi_Host *, int);
|
|
extern void scsi_report_device_reset(struct Scsi_Host *, int, int);
|
|
extern int scsi_block_when_processing_errors(struct scsi_device *);
|
|
extern bool scsi_command_normalize_sense(const struct scsi_cmnd *cmd,
|
|
struct scsi_sense_hdr *sshdr);
|
|
|
|
static inline bool scsi_sense_is_deferred(const struct scsi_sense_hdr *sshdr)
|
|
{
|
|
return ((sshdr->response_code >= 0x70) && (sshdr->response_code & 1));
|
|
}
|
|
|
|
extern int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len,
|
|
u64 * info_out);
|
|
|
|
extern int scsi_ioctl_reset(struct scsi_device *, int __user *);
|
|
|
|
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 */
|