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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef _SCSI_SCSI_EH_H3#define _SCSI_SCSI_EH_H4 5#include <linux/scatterlist.h>6 7#include <scsi/scsi_cmnd.h>8#include <scsi/scsi_common.h>9struct scsi_device;10struct Scsi_Host;11 12extern void scsi_eh_finish_cmd(struct scsi_cmnd *scmd,13 struct list_head *done_q);14extern void scsi_eh_flush_done_q(struct list_head *done_q);15extern void scsi_report_bus_reset(struct Scsi_Host *, int);16extern void scsi_report_device_reset(struct Scsi_Host *, int, int);17extern int scsi_block_when_processing_errors(struct scsi_device *);18extern bool scsi_command_normalize_sense(const struct scsi_cmnd *cmd,19 struct scsi_sense_hdr *sshdr);20extern enum scsi_disposition scsi_check_sense(struct scsi_cmnd *);21 22static inline bool scsi_sense_is_deferred(const struct scsi_sense_hdr *sshdr)23{24 return ((sshdr->response_code >= 0x70) && (sshdr->response_code & 1));25}26 27extern bool scsi_get_sense_info_fld(const u8 *sense_buffer, int sb_len,28 u64 *info_out);29 30extern int scsi_ioctl_reset(struct scsi_device *, int __user *);31 32struct scsi_eh_save {33 /* saved state */34 int result;35 unsigned int resid_len;36 int eh_eflags;37 enum dma_data_direction data_direction;38 unsigned underflow;39 unsigned char cmd_len;40 unsigned char prot_op;41 unsigned char cmnd[32];42 struct scsi_data_buffer sdb;43 struct scatterlist sense_sgl;44};45 46extern void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd,47 struct scsi_eh_save *ses, unsigned char *cmnd,48 int cmnd_size, unsigned sense_bytes);49 50extern void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd,51 struct scsi_eh_save *ses);52 53#endif /* _SCSI_SCSI_EH_H */54