Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef _SCSI_SCSI_EH_H |
2 | #define _SCSI_SCSI_EH_H | |
3 | ||
645a0c6c JB |
4 | #include <linux/scatterlist.h> |
5 | ||
e1c23468 | 6 | #include <scsi/scsi_cmnd.h> |
7708c165 | 7 | #include <scsi/scsi_common.h> |
1da177e4 | 8 | struct scsi_device; |
1da177e4 LT |
9 | struct Scsi_Host; |
10 | ||
041c5fc3 TH |
11 | extern void scsi_eh_finish_cmd(struct scsi_cmnd *scmd, |
12 | struct list_head *done_q); | |
13 | extern void scsi_eh_flush_done_q(struct list_head *done_q); | |
1da177e4 LT |
14 | extern void scsi_report_bus_reset(struct Scsi_Host *, int); |
15 | extern void scsi_report_device_reset(struct Scsi_Host *, int, int); | |
16 | extern int scsi_block_when_processing_errors(struct scsi_device *); | |
4753cbc0 HR |
17 | extern bool scsi_command_normalize_sense(const struct scsi_cmnd *cmd, |
18 | struct scsi_sense_hdr *sshdr); | |
3852e373 | 19 | extern int scsi_check_sense(struct scsi_cmnd *); |
1da177e4 | 20 | |
4753cbc0 | 21 | static inline bool scsi_sense_is_deferred(const struct scsi_sense_hdr *sshdr) |
1da177e4 LT |
22 | { |
23 | return ((sshdr->response_code >= 0x70) && (sshdr->response_code & 1)); | |
24 | } | |
25 | ||
1da177e4 LT |
26 | extern int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len, |
27 | u64 * info_out); | |
3bc6a261 | 28 | |
176aa9d6 | 29 | extern int scsi_ioctl_reset(struct scsi_device *, int __user *); |
1da177e4 | 30 | |
e1c23468 | 31 | struct scsi_eh_save { |
30b0c37b | 32 | /* saved state */ |
e1c23468 BH |
33 | int result; |
34 | enum dma_data_direction data_direction; | |
12265709 | 35 | unsigned underflow; |
e1c23468 | 36 | unsigned char cmd_len; |
db007fc5 | 37 | unsigned char prot_op; |
64a87b24 | 38 | unsigned char *cmnd; |
30b0c37b | 39 | struct scsi_data_buffer sdb; |
6f9a35e2 | 40 | struct request *next_rq; |
30b0c37b | 41 | /* new command support */ |
64a87b24 | 42 | unsigned char eh_cmnd[BLK_MAX_CDB]; |
e1c23468 BH |
43 | struct scatterlist sense_sgl; |
44 | }; | |
45 | ||
46 | extern 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 | ||
50 | extern void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd, | |
51 | struct scsi_eh_save *ses); | |
52 | ||
1da177e4 | 53 | #endif /* _SCSI_SCSI_EH_H */ |