| | 1 | #ifndef _SCSI_SCSI_EH_H |
| | 2 | #define _SCSI_SCSI_EH_H |
| | 3 | |
| | 4 | #include <linux/scatterlist.h> |
| | 5 | |
| | 6 | #include <scsi/scsi_cmnd.h> |
| | 7 | #include <scsi/scsi_common.h> |
| | 8 | struct scsi_device; |
| | 9 | struct Scsi_Host; |
| | 10 | |
| | 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); |
| | 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 *); |
| | 17 | extern bool scsi_command_normalize_sense(const struct scsi_cmnd *cmd, |
| | 18 | struct scsi_sense_hdr *sshdr); |
| | 19 | extern int scsi_check_sense(struct scsi_cmnd *); |
| | 20 | |
| | 21 | static inline bool scsi_sense_is_deferred(const struct scsi_sense_hdr *sshdr) |
| | 22 | { |
| | 23 | return ((sshdr->response_code >= 0x70) && (sshdr->response_code & 1)); |
| | 24 | } |
| | 25 | |
| | 26 | extern int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len, |
| | 27 | u64 * info_out); |
| | 28 | |
| | 29 | extern int scsi_ioctl_reset(struct scsi_device *, int __user *); |
| | 30 | |
| | 31 | struct scsi_eh_save { |
| | 32 | /* saved state */ |
| | 33 | int result; |
| | 34 | enum dma_data_direction data_direction; |
| | 35 | unsigned underflow; |
| | 36 | unsigned char cmd_len; |
| | 37 | unsigned char prot_op; |
| | 38 | unsigned char *cmnd; |
| | 39 | struct scsi_data_buffer sdb; |
| | 40 | struct request *next_rq; |
| | 41 | /* new command support */ |
| | 42 | unsigned char eh_cmnd[BLK_MAX_CDB]; |
| | 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 | |
| | 53 | #endif /* _SCSI_SCSI_EH_H */ |
projects / linux-2.6-block.git / blame_incremental