162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef _SCSI_SCSI_EH_H 362306a36Sopenharmony_ci#define _SCSI_SCSI_EH_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <linux/scatterlist.h> 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci#include <scsi/scsi_cmnd.h> 862306a36Sopenharmony_ci#include <scsi/scsi_common.h> 962306a36Sopenharmony_cistruct scsi_device; 1062306a36Sopenharmony_cistruct Scsi_Host; 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ciextern void scsi_eh_finish_cmd(struct scsi_cmnd *scmd, 1362306a36Sopenharmony_ci struct list_head *done_q); 1462306a36Sopenharmony_ciextern void scsi_eh_flush_done_q(struct list_head *done_q); 1562306a36Sopenharmony_ciextern void scsi_report_bus_reset(struct Scsi_Host *, int); 1662306a36Sopenharmony_ciextern void scsi_report_device_reset(struct Scsi_Host *, int, int); 1762306a36Sopenharmony_ciextern int scsi_block_when_processing_errors(struct scsi_device *); 1862306a36Sopenharmony_ciextern bool scsi_command_normalize_sense(const struct scsi_cmnd *cmd, 1962306a36Sopenharmony_ci struct scsi_sense_hdr *sshdr); 2062306a36Sopenharmony_ciextern enum scsi_disposition scsi_check_sense(struct scsi_cmnd *); 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_cistatic inline bool scsi_sense_is_deferred(const struct scsi_sense_hdr *sshdr) 2362306a36Sopenharmony_ci{ 2462306a36Sopenharmony_ci return ((sshdr->response_code >= 0x70) && (sshdr->response_code & 1)); 2562306a36Sopenharmony_ci} 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ciextern bool scsi_get_sense_info_fld(const u8 *sense_buffer, int sb_len, 2862306a36Sopenharmony_ci u64 *info_out); 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ciextern int scsi_ioctl_reset(struct scsi_device *, int __user *); 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_cistruct scsi_eh_save { 3362306a36Sopenharmony_ci /* saved state */ 3462306a36Sopenharmony_ci int result; 3562306a36Sopenharmony_ci unsigned int resid_len; 3662306a36Sopenharmony_ci int eh_eflags; 3762306a36Sopenharmony_ci enum dma_data_direction data_direction; 3862306a36Sopenharmony_ci unsigned underflow; 3962306a36Sopenharmony_ci unsigned char cmd_len; 4062306a36Sopenharmony_ci unsigned char prot_op; 4162306a36Sopenharmony_ci unsigned char cmnd[32]; 4262306a36Sopenharmony_ci struct scsi_data_buffer sdb; 4362306a36Sopenharmony_ci struct scatterlist sense_sgl; 4462306a36Sopenharmony_ci}; 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_ciextern void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, 4762306a36Sopenharmony_ci struct scsi_eh_save *ses, unsigned char *cmnd, 4862306a36Sopenharmony_ci int cmnd_size, unsigned sense_bytes); 4962306a36Sopenharmony_ci 5062306a36Sopenharmony_ciextern void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd, 5162306a36Sopenharmony_ci struct scsi_eh_save *ses); 5262306a36Sopenharmony_ci 5362306a36Sopenharmony_ci#endif /* _SCSI_SCSI_EH_H */ 54