Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef _SCSI_SCSI_EH_H |
3 | #define _SCSI_SCSI_EH_H | |
4 | ||
645a0c6c JB |
5 | #include <linux/scatterlist.h> |
6 | ||
e1c23468 | 7 | #include <scsi/scsi_cmnd.h> |
7708c165 | 8 | #include <scsi/scsi_common.h> |
1da177e4 | 9 | struct scsi_device; |
1da177e4 LT |
10 | struct Scsi_Host; |
11 | ||
041c5fc3 TH |
12 | extern void scsi_eh_finish_cmd(struct scsi_cmnd *scmd, |
13 | struct list_head *done_q); | |
14 | extern void scsi_eh_flush_done_q(struct list_head *done_q); | |
1da177e4 LT |
15 | extern void scsi_report_bus_reset(struct Scsi_Host *, int); |
16 | extern void scsi_report_device_reset(struct Scsi_Host *, int, int); | |
17 | extern int scsi_block_when_processing_errors(struct scsi_device *); | |
4753cbc0 HR |
18 | extern bool scsi_command_normalize_sense(const struct scsi_cmnd *cmd, |
19 | struct scsi_sense_hdr *sshdr); | |
3852e373 | 20 | extern int scsi_check_sense(struct scsi_cmnd *); |
1da177e4 | 21 | |
4753cbc0 | 22 | static inline bool scsi_sense_is_deferred(const struct scsi_sense_hdr *sshdr) |
1da177e4 LT |
23 | { |
24 | return ((sshdr->response_code >= 0x70) && (sshdr->response_code & 1)); | |
25 | } | |
26 | ||
2908769c DLM |
27 | extern bool scsi_get_sense_info_fld(const u8 *sense_buffer, int sb_len, |
28 | u64 *info_out); | |
3bc6a261 | 29 | |
176aa9d6 | 30 | extern int scsi_ioctl_reset(struct scsi_device *, int __user *); |
1da177e4 | 31 | |
e1c23468 | 32 | struct scsi_eh_save { |
30b0c37b | 33 | /* saved state */ |
e1c23468 | 34 | int result; |
8e8c9d01 | 35 | int eh_eflags; |
e1c23468 | 36 | enum dma_data_direction data_direction; |
12265709 | 37 | unsigned underflow; |
e1c23468 | 38 | unsigned char cmd_len; |
db007fc5 | 39 | unsigned char prot_op; |
64a87b24 | 40 | unsigned char *cmnd; |
30b0c37b | 41 | struct scsi_data_buffer sdb; |
30b0c37b | 42 | /* new command support */ |
64a87b24 | 43 | unsigned char eh_cmnd[BLK_MAX_CDB]; |
e1c23468 BH |
44 | struct scatterlist sense_sgl; |
45 | }; | |
46 | ||
47 | extern void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, | |
48 | struct scsi_eh_save *ses, unsigned char *cmnd, | |
49 | int cmnd_size, unsigned sense_bytes); | |
50 | ||
51 | extern void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd, | |
52 | struct scsi_eh_save *ses); | |
53 | ||
1da177e4 | 54 | #endif /* _SCSI_SCSI_EH_H */ |