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55 lines
1.6 KiB
55 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _SCSI_SCSI_EH_H |
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#define _SCSI_SCSI_EH_H |
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#include <linux/scatterlist.h> |
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#include <scsi/scsi_cmnd.h> |
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#include <scsi/scsi_common.h> |
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struct scsi_device; |
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struct Scsi_Host; |
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extern void scsi_eh_finish_cmd(struct scsi_cmnd *scmd, |
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struct list_head *done_q); |
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extern void scsi_eh_flush_done_q(struct list_head *done_q); |
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extern void scsi_report_bus_reset(struct Scsi_Host *, int); |
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extern void scsi_report_device_reset(struct Scsi_Host *, int, int); |
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extern int scsi_block_when_processing_errors(struct scsi_device *); |
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extern bool scsi_command_normalize_sense(const struct scsi_cmnd *cmd, |
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struct scsi_sense_hdr *sshdr); |
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extern int scsi_check_sense(struct scsi_cmnd *); |
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static inline bool scsi_sense_is_deferred(const struct scsi_sense_hdr *sshdr) |
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{ |
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return ((sshdr->response_code >= 0x70) && (sshdr->response_code & 1)); |
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} |
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extern bool scsi_get_sense_info_fld(const u8 *sense_buffer, int sb_len, |
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u64 *info_out); |
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extern int scsi_ioctl_reset(struct scsi_device *, int __user *); |
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struct scsi_eh_save { |
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/* saved state */ |
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int result; |
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unsigned int resid_len; |
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int eh_eflags; |
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enum dma_data_direction data_direction; |
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unsigned underflow; |
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unsigned char cmd_len; |
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unsigned char prot_op; |
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unsigned char *cmnd; |
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struct scsi_data_buffer sdb; |
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/* new command support */ |
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unsigned char eh_cmnd[BLK_MAX_CDB]; |
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struct scatterlist sense_sgl; |
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}; |
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extern void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, |
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struct scsi_eh_save *ses, unsigned char *cmnd, |
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int cmnd_size, unsigned sense_bytes); |
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extern void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd, |
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struct scsi_eh_save *ses); |
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#endif /* _SCSI_SCSI_EH_H */
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