projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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); | |
| a1524f22 | 31 | extern void scsi_set_sense_information(u8 *buf, u64 info); |
| 3bc6a261 | 32 | |
| 176aa9d6 | 33 | extern int scsi_ioctl_reset(struct scsi_device *, int __user *); |
| 1da177e4 | 34 | |
| e1c23468 | 35 | struct scsi_eh_save { |
| 30b0c37b | 36 | /* saved state */ |
| e1c23468 BH |
37 | int result; |
| 38 | enum dma_data_direction data_direction; | |
| 12265709 | 39 | unsigned underflow; |
| e1c23468 | 40 | unsigned char cmd_len; |
| db007fc5 | 41 | unsigned char prot_op; |
| 64a87b24 | 42 | unsigned char *cmnd; |
| 30b0c37b | 43 | struct scsi_data_buffer sdb; |
| 6f9a35e2 | 44 | struct request *next_rq; |
| 30b0c37b | 45 | /* new command support */ |
| 64a87b24 | 46 | unsigned char eh_cmnd[BLK_MAX_CDB]; |
| e1c23468 BH |
47 | struct scatterlist sense_sgl; |
| 48 | }; | |
| 49 | ||
| 50 | extern void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, | |
| 51 | struct scsi_eh_save *ses, unsigned char *cmnd, | |
| 52 | int cmnd_size, unsigned sense_bytes); | |
| 53 | ||
| 54 | extern void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd, | |
| 55 | struct scsi_eh_save *ses); | |
| 56 | ||
| 1da177e4 | 57 | #endif /* _SCSI_SCSI_EH_H */ |