X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fscsi%2Fscsi_eh.h;h=06a8790893ef60e15cdd100550134e698e6a5e2e;hb=6b5d6c443a9b4fd71b633cef66b5db4de8a85787;hp=80557f879e3e229b5e13cd107a5690b162b4988d;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h index 80557f8..06a8790 100644 --- a/include/scsi/scsi_eh.h +++ b/include/scsi/scsi_eh.h @@ -1,9 +1,10 @@ #ifndef _SCSI_SCSI_EH_H #define _SCSI_SCSI_EH_H -struct scsi_cmnd; +#include + +#include struct scsi_device; -struct scsi_request; struct Scsi_Host; /* @@ -26,17 +27,23 @@ struct scsi_sense_hdr { /* See SPC-3 section 4.5 */ u8 additional_length; /* always 0 for fixed sense format */ }; +static inline int scsi_sense_valid(struct scsi_sense_hdr *sshdr) +{ + if (!sshdr) + return 0; + + return (sshdr->response_code & 0x70) == 0x70; +} + -extern void scsi_add_timer(struct scsi_cmnd *, int, - void (*)(struct scsi_cmnd *)); -extern int scsi_delete_timer(struct scsi_cmnd *); +extern void scsi_eh_finish_cmd(struct scsi_cmnd *scmd, + struct list_head *done_q); +extern void scsi_eh_flush_done_q(struct list_head *done_q); extern void scsi_report_bus_reset(struct Scsi_Host *, int); extern void scsi_report_device_reset(struct Scsi_Host *, int, int); extern int scsi_block_when_processing_errors(struct scsi_device *); extern int scsi_normalize_sense(const u8 *sense_buffer, int sb_len, struct scsi_sense_hdr *sshdr); -extern int scsi_request_normalize_sense(struct scsi_request *sreq, - struct scsi_sense_hdr *sshdr); extern int scsi_command_normalize_sense(struct scsi_cmnd *cmd, struct scsi_sense_hdr *sshdr); @@ -50,14 +57,39 @@ extern const u8 * scsi_sense_desc_find(const u8 * sense_buffer, int sb_len, extern int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len, u64 * info_out); - + +extern void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq); + /* * Reset request from external source */ #define SCSI_TRY_RESET_DEVICE 1 #define SCSI_TRY_RESET_BUS 2 #define SCSI_TRY_RESET_HOST 3 +#define SCSI_TRY_RESET_TARGET 4 extern int scsi_reset_provider(struct scsi_device *, int); +struct scsi_eh_save { + /* saved state */ + int result; + enum dma_data_direction data_direction; + unsigned underflow; + unsigned char cmd_len; + unsigned char prot_op; + unsigned char *cmnd; + struct scsi_data_buffer sdb; + struct request *next_rq; + /* new command support */ + unsigned char eh_cmnd[BLK_MAX_CDB]; + struct scatterlist sense_sgl; +}; + +extern void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, + struct scsi_eh_save *ses, unsigned char *cmnd, + int cmnd_size, unsigned sense_bytes); + +extern void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd, + struct scsi_eh_save *ses); + #endif /* _SCSI_SCSI_EH_H */