Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) #ifndef _SCSI_PRIV_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) #define _SCSI_PRIV_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #include <linux/async.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #include <scsi/scsi_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) struct request_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) struct request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) struct scsi_cmnd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) struct scsi_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) struct scsi_target;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) struct scsi_host_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) struct Scsi_Host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) struct scsi_nl_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #define SCSI_CMD_RETRIES_NO_LIMIT -1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)  * Scsi Error Handler Flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #define SCSI_EH_ABORT_SCHEDULED	0x0002	/* Abort has been scheduled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define SCSI_SENSE_VALID(scmd) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	(((scmd)->sense_buffer[0] & 0x70) == 0x70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) /* hosts.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) extern int scsi_init_hosts(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) extern void scsi_exit_hosts(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) /* scsi.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) int scsi_init_sense_cache(struct Scsi_Host *shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) void scsi_init_command(struct scsi_device *dev, struct scsi_cmnd *cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #ifdef CONFIG_SCSI_LOGGING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) void scsi_log_send(struct scsi_cmnd *cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) void scsi_log_completion(struct scsi_cmnd *cmd, int disposition);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) static inline void scsi_log_send(struct scsi_cmnd *cmd) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	{ };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	{ };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) /* scsi_devinfo.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) /* list of keys for the lists */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) enum scsi_devinfo_key {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	SCSI_DEVINFO_GLOBAL = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	SCSI_DEVINFO_SPI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) extern blist_flags_t scsi_get_device_flags(struct scsi_device *sdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 					   const unsigned char *vendor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 					   const unsigned char *model);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) extern blist_flags_t scsi_get_device_flags_keyed(struct scsi_device *sdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 						 const unsigned char *vendor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 						 const unsigned char *model,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 						 enum scsi_devinfo_key key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 					char *model, char *strflags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 					blist_flags_t flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 					enum scsi_devinfo_key key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) extern int scsi_dev_info_list_del_keyed(char *vendor, char *model,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 					enum scsi_devinfo_key key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) extern int scsi_dev_info_add_list(enum scsi_devinfo_key key, const char *name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) extern int scsi_dev_info_remove_list(enum scsi_devinfo_key key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) extern int __init scsi_init_devinfo(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) extern void scsi_exit_devinfo(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) /* scsi_error.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) extern void scmd_eh_abort_handler(struct work_struct *work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) extern enum blk_eh_timer_return scsi_times_out(struct request *req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) extern int scsi_error_handler(void *host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) extern int scsi_decide_disposition(struct scsi_cmnd *cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) extern void scsi_eh_wakeup(struct Scsi_Host *shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) extern void scsi_eh_scmd_add(struct scsi_cmnd *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) void scsi_eh_ready_devs(struct Scsi_Host *shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 			struct list_head *work_q,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 			struct list_head *done_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) int scsi_eh_get_sense(struct list_head *work_q,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		      struct list_head *done_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) int scsi_noretry_cmd(struct scsi_cmnd *scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) /* scsi_lib.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) extern int scsi_maybe_unblock_host(struct scsi_device *sdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) extern void scsi_device_unbusy(struct scsi_device *sdev, struct scsi_cmnd *cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) extern void scsi_queue_insert(struct scsi_cmnd *cmd, int reason);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) extern void scsi_io_completion(struct scsi_cmnd *, unsigned int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) extern void scsi_run_host_queues(struct Scsi_Host *shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) extern void scsi_requeue_run_queue(struct work_struct *work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) extern struct request_queue *scsi_mq_alloc_queue(struct scsi_device *sdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) extern void scsi_start_queue(struct scsi_device *sdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) extern int scsi_mq_setup_tags(struct Scsi_Host *shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) extern void scsi_mq_destroy_tags(struct Scsi_Host *shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) extern void scsi_exit_queue(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) extern void scsi_evt_thread(struct work_struct *work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) struct request_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) /* scsi_proc.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #ifdef CONFIG_SCSI_PROC_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) extern void scsi_proc_hostdir_add(struct scsi_host_template *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) extern void scsi_proc_hostdir_rm(struct scsi_host_template *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) extern void scsi_proc_host_add(struct Scsi_Host *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) extern void scsi_proc_host_rm(struct Scsi_Host *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) extern int scsi_init_procfs(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) extern void scsi_exit_procfs(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) # define scsi_proc_hostdir_add(sht)	do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) # define scsi_proc_hostdir_rm(sht)	do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) # define scsi_proc_host_add(shost)	do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) # define scsi_proc_host_rm(shost)	do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) # define scsi_init_procfs()		(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) # define scsi_exit_procfs()		do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) #endif /* CONFIG_PROC_FS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) /* scsi_scan.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) extern char scsi_scan_type[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) extern int scsi_complete_async_scans(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 				   unsigned int, u64, enum scsi_scan_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) extern void scsi_forget_host(struct Scsi_Host *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) extern void scsi_rescan_device(struct device *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) /* scsi_sysctl.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) #ifdef CONFIG_SYSCTL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) extern int scsi_init_sysctl(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) extern void scsi_exit_sysctl(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) # define scsi_init_sysctl()		(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) # define scsi_exit_sysctl()		do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) #endif /* CONFIG_SYSCTL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) /* scsi_sysfs.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) extern int scsi_sysfs_add_sdev(struct scsi_device *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) extern int scsi_sysfs_add_host(struct Scsi_Host *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) extern int scsi_sysfs_register(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) extern void scsi_sysfs_unregister(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) extern void scsi_sysfs_device_initialize(struct scsi_device *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) extern int scsi_sysfs_target_initialize(struct scsi_device *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) extern struct scsi_transport_template blank_transport_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) extern void __scsi_remove_device(struct scsi_device *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) extern struct bus_type scsi_bus_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) extern const struct attribute_group *scsi_sysfs_shost_attr_groups[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) /* scsi_netlink.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) #ifdef CONFIG_SCSI_NETLINK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) extern void scsi_netlink_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) extern void scsi_netlink_exit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) extern struct sock *scsi_nl_sock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) static inline void scsi_netlink_init(void) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static inline void scsi_netlink_exit(void) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) /* scsi_pm.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) extern const struct dev_pm_ops scsi_bus_pm_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) extern void scsi_autopm_get_target(struct scsi_target *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) extern void scsi_autopm_put_target(struct scsi_target *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) extern int scsi_autopm_get_host(struct Scsi_Host *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) extern void scsi_autopm_put_host(struct Scsi_Host *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static inline void scsi_autopm_get_target(struct scsi_target *t) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) static inline void scsi_autopm_put_target(struct scsi_target *t) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) static inline int scsi_autopm_get_host(struct Scsi_Host *h) { return 0; }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static inline void scsi_autopm_put_host(struct Scsi_Host *h) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) #endif /* CONFIG_PM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) extern struct async_domain scsi_sd_pm_domain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) /* scsi_dh.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) #ifdef CONFIG_SCSI_DH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) void scsi_dh_add_device(struct scsi_device *sdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) void scsi_dh_release_device(struct scsi_device *sdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) static inline void scsi_dh_add_device(struct scsi_device *sdev) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) static inline void scsi_dh_release_device(struct scsi_device *sdev) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) /* 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)  * internal scsi timeout functions: for use by mid-layer and transport
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)  * classes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) #define SCSI_DEVICE_BLOCK_MAX_TIMEOUT	600	/* units in seconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) #endif /* _SCSI_PRIV_H */