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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> |
1da177e4 | 7 | struct scsi_device; |
1da177e4 LT |
8 | struct Scsi_Host; |
9 | ||
041c5fc3 TH |
10 | extern void scsi_eh_finish_cmd(struct scsi_cmnd *scmd, |
11 | struct list_head *done_q); | |
12 | extern void scsi_eh_flush_done_q(struct list_head *done_q); | |
1da177e4 LT |
13 | extern void scsi_report_bus_reset(struct Scsi_Host *, int); |
14 | extern void scsi_report_device_reset(struct Scsi_Host *, int, int); | |
15 | extern int scsi_block_when_processing_errors(struct scsi_device *); | |
4753cbc0 HR |
16 | extern bool scsi_command_normalize_sense(const struct scsi_cmnd *cmd, |
17 | struct scsi_sense_hdr *sshdr); | |
1da177e4 | 18 | |
4753cbc0 | 19 | static inline bool scsi_sense_is_deferred(const struct scsi_sense_hdr *sshdr) |
1da177e4 LT |
20 | { |
21 | return ((sshdr->response_code >= 0x70) && (sshdr->response_code & 1)); | |
22 | } | |
23 | ||
24 | extern const u8 * scsi_sense_desc_find(const u8 * sense_buffer, int sb_len, | |
25 | int desc_type); | |
26 | ||
27 | extern int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len, | |
28 | u64 * info_out); | |
3bc6a261 FT |
29 | |
30 | extern void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq); | |
31 | ||
176aa9d6 | 32 | extern int scsi_ioctl_reset(struct scsi_device *, int __user *); |
1da177e4 | 33 | |
e1c23468 | 34 | struct scsi_eh_save { |
30b0c37b | 35 | /* saved state */ |
e1c23468 BH |
36 | int result; |
37 | enum dma_data_direction data_direction; | |
12265709 | 38 | unsigned underflow; |
e1c23468 | 39 | unsigned char cmd_len; |
db007fc5 | 40 | unsigned char prot_op; |
64a87b24 | 41 | unsigned char *cmnd; |
30b0c37b | 42 | struct scsi_data_buffer sdb; |
6f9a35e2 | 43 | struct request *next_rq; |
30b0c37b | 44 | /* new command support */ |
64a87b24 | 45 | unsigned char eh_cmnd[BLK_MAX_CDB]; |
e1c23468 BH |
46 | struct scatterlist sense_sgl; |
47 | }; | |
48 | ||
49 | extern void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, | |
50 | struct scsi_eh_save *ses, unsigned char *cmnd, | |
51 | int cmnd_size, unsigned sense_bytes); | |
52 | ||
53 | extern void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd, | |
54 | struct scsi_eh_save *ses); | |
55 | ||
1da177e4 | 56 | #endif /* _SCSI_SCSI_EH_H */ |