Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 207 insertions, 0 deletions

diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
new file mode 100644
index 0000000000..3f0dfb97db
--- /dev/null
+++ b/drivers/scsi/scsi_priv.h
@@ -0,0 +1,207 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _SCSI_PRIV_H
+#define _SCSI_PRIV_H
+
+#include <linux/device.h>
+#include <scsi/scsi_device.h>
+#include <linux/sbitmap.h>
+
+struct bsg_device;
+struct request_queue;
+struct request;
+struct scsi_cmnd;
+struct scsi_device;
+struct scsi_target;
+struct scsi_host_template;
+struct Scsi_Host;
+struct scsi_nl_hdr;
+
+#define SCSI_CMD_RETRIES_NO_LIMIT -1
+
+/*
+ * Error codes used by scsi-ml internally. These must not be used by drivers.
+ */
+enum scsi_ml_status {
+	SCSIML_STAT_OK			= 0x00,
+	SCSIML_STAT_RESV_CONFLICT	= 0x01,	/* Reservation conflict */
+	SCSIML_STAT_NOSPC		= 0x02,	/* Space allocation on the dev failed */
+	SCSIML_STAT_MED_ERROR		= 0x03,	/* Medium error */
+	SCSIML_STAT_TGT_FAILURE		= 0x04,	/* Permanent target failure */
+	SCSIML_STAT_DL_TIMEOUT		= 0x05, /* Command Duration Limit timeout */
+};
+
+static inline u8 scsi_ml_byte(int result)
+{
+	return (result >> 8) & 0xff;
+}
+
+/*
+ * Scsi Error Handler Flags
+ */
+#define SCSI_EH_ABORT_SCHEDULED	0x0002	/* Abort has been scheduled */
+
+#define SCSI_SENSE_VALID(scmd) \
+	(((scmd)->sense_buffer[0] & 0x70) == 0x70)
+
+/* hosts.c */
+extern int scsi_init_hosts(void);
+extern void scsi_exit_hosts(void);
+
+/* scsi.c */
+int scsi_init_sense_cache(struct Scsi_Host *shost);
+void scsi_init_command(struct scsi_device *dev, struct scsi_cmnd *cmd);
+#ifdef CONFIG_SCSI_LOGGING
+void scsi_log_send(struct scsi_cmnd *cmd);
+void scsi_log_completion(struct scsi_cmnd *cmd, int disposition);
+#else
+static inline void scsi_log_send(struct scsi_cmnd *cmd) 
+	{ };
+static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition)
+	{ };
+#endif
+
+/* scsi_devinfo.c */
+
+/* list of keys for the lists */
+enum scsi_devinfo_key {
+	SCSI_DEVINFO_GLOBAL = 0,
+	SCSI_DEVINFO_SPI,
+};
+
+extern blist_flags_t scsi_get_device_flags(struct scsi_device *sdev,
+					   const unsigned char *vendor,
+					   const unsigned char *model);
+extern blist_flags_t scsi_get_device_flags_keyed(struct scsi_device *sdev,
+						 const unsigned char *vendor,
+						 const unsigned char *model,
+						 enum scsi_devinfo_key key);
+extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor,
+					char *model, char *strflags,
+					blist_flags_t flags,
+					enum scsi_devinfo_key key);
+extern int scsi_dev_info_list_del_keyed(char *vendor, char *model,
+					enum scsi_devinfo_key key);
+extern int scsi_dev_info_add_list(enum scsi_devinfo_key key, const char *name);
+extern int scsi_dev_info_remove_list(enum scsi_devinfo_key key);
+
+extern int __init scsi_init_devinfo(void);
+extern void scsi_exit_devinfo(void);
+
+/* scsi_error.c */
+extern void scmd_eh_abort_handler(struct work_struct *work);
+extern enum blk_eh_timer_return scsi_timeout(struct request *req);
+extern int scsi_error_handler(void *host);
+extern enum scsi_disposition scsi_decide_disposition(struct scsi_cmnd *cmd);
+extern void scsi_eh_wakeup(struct Scsi_Host *shost);
+extern void scsi_eh_scmd_add(struct scsi_cmnd *);
+void scsi_eh_ready_devs(struct Scsi_Host *shost,
+			struct list_head *work_q,
+			struct list_head *done_q);
+int scsi_eh_get_sense(struct list_head *work_q,
+		      struct list_head *done_q);
+bool scsi_noretry_cmd(struct scsi_cmnd *scmd);
+void scsi_eh_done(struct scsi_cmnd *scmd);
+
+/* scsi_lib.c */
+extern void scsi_device_unbusy(struct scsi_device *sdev, struct scsi_cmnd *cmd);
+extern void scsi_queue_insert(struct scsi_cmnd *cmd, int reason);
+extern void scsi_io_completion(struct scsi_cmnd *, unsigned int);
+extern void scsi_run_host_queues(struct Scsi_Host *shost);
+extern void scsi_requeue_run_queue(struct work_struct *work);
+extern void scsi_start_queue(struct scsi_device *sdev);
+extern int scsi_mq_setup_tags(struct Scsi_Host *shost);
+extern void scsi_mq_free_tags(struct kref *kref);
+extern void scsi_exit_queue(void);
+extern void scsi_evt_thread(struct work_struct *work);
+
+/* scsi_proc.c */
+#ifdef CONFIG_SCSI_PROC_FS
+extern int scsi_proc_hostdir_add(const struct scsi_host_template *);
+extern void scsi_proc_hostdir_rm(const struct scsi_host_template *);
+extern void scsi_proc_host_add(struct Scsi_Host *);
+extern void scsi_proc_host_rm(struct Scsi_Host *);
+extern int scsi_init_procfs(void);
+extern void scsi_exit_procfs(void);
+#else
+# define scsi_proc_hostdir_add(sht)	0
+# define scsi_proc_hostdir_rm(sht)	do { } while (0)
+# define scsi_proc_host_add(shost)	do { } while (0)
+# define scsi_proc_host_rm(shost)	do { } while (0)
+# define scsi_init_procfs()		(0)
+# define scsi_exit_procfs()		do { } while (0)
+#endif /* CONFIG_PROC_FS */
+
+/* scsi_scan.c */
+void scsi_enable_async_suspend(struct device *dev);
+extern int scsi_complete_async_scans(void);
+extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int,
+				   unsigned int, u64, enum scsi_scan_mode);
+extern void scsi_forget_host(struct Scsi_Host *);
+
+/* scsi_sysctl.c */
+#ifdef CONFIG_SYSCTL
+extern int scsi_init_sysctl(void);
+extern void scsi_exit_sysctl(void);
+#else
+# define scsi_init_sysctl()		(0)
+# define scsi_exit_sysctl()		do { } while (0)
+#endif /* CONFIG_SYSCTL */
+
+/* scsi_sysfs.c */
+extern int scsi_sysfs_add_sdev(struct scsi_device *);
+extern int scsi_sysfs_add_host(struct Scsi_Host *);
+extern int scsi_sysfs_register(void);
+extern void scsi_sysfs_unregister(void);
+extern void scsi_sysfs_device_initialize(struct scsi_device *);
+extern struct scsi_transport_template blank_transport_template;
+extern void __scsi_remove_device(struct scsi_device *);
+
+extern struct bus_type scsi_bus_type;
+extern const struct attribute_group *scsi_shost_groups[];
+
+/* scsi_netlink.c */
+#ifdef CONFIG_SCSI_NETLINK
+extern void scsi_netlink_init(void);
+extern void scsi_netlink_exit(void);
+extern struct sock *scsi_nl_sock;
+#else
+static inline void scsi_netlink_init(void) {}
+static inline void scsi_netlink_exit(void) {}
+#endif
+
+/* scsi_pm.c */
+#ifdef CONFIG_PM
+extern const struct dev_pm_ops scsi_bus_pm_ops;
+
+extern void scsi_autopm_get_target(struct scsi_target *);
+extern void scsi_autopm_put_target(struct scsi_target *);
+extern int scsi_autopm_get_host(struct Scsi_Host *);
+extern void scsi_autopm_put_host(struct Scsi_Host *);
+#else
+static inline void scsi_autopm_get_target(struct scsi_target *t) {}
+static inline void scsi_autopm_put_target(struct scsi_target *t) {}
+static inline int scsi_autopm_get_host(struct Scsi_Host *h) { return 0; }
+static inline void scsi_autopm_put_host(struct Scsi_Host *h) {}
+#endif /* CONFIG_PM */
+
+/* scsi_dh.c */
+#ifdef CONFIG_SCSI_DH
+void scsi_dh_add_device(struct scsi_device *sdev);
+void scsi_dh_release_device(struct scsi_device *sdev);
+#else
+static inline void scsi_dh_add_device(struct scsi_device *sdev) { }
+static inline void scsi_dh_release_device(struct scsi_device *sdev) { }
+#endif
+
+struct bsg_device *scsi_bsg_register_queue(struct scsi_device *sdev);
+
+extern int scsi_device_max_queue_depth(struct scsi_device *sdev);
+
+/* 
+ * internal scsi timeout functions: for use by mid-layer and transport
+ * classes.
+ */
+
+#define SCSI_DEVICE_BLOCK_MAX_TIMEOUT	600	/* units in seconds */
+
+#endif /* _SCSI_PRIV_H */