| /* SPDX-License-Identifier: GPL-2.0 */ |
| #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); |
| extern int scsi_check_sense(struct scsi_cmnd *); |
| |
| static inline bool scsi_sense_is_deferred(const struct scsi_sense_hdr *sshdr) |
| { |
| return ((sshdr->response_code >= 0x70) && (sshdr->response_code & 1)); |
| } |
| |
| extern bool 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; |
| unsigned int resid_len; |
| int eh_eflags; |
| 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 */ |