diff options
Diffstat (limited to 'include/scsi/scsi_device.h')
| -rw-r--r-- | include/scsi/scsi_device.h | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 8990e580b278..0979a5f3b69a 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -176,12 +176,12 @@ struct scsi_device { unsigned no_read_disc_info:1; /* Avoid READ_DISC_INFO cmds */ unsigned no_read_capacity_16:1; /* Avoid READ_CAPACITY_16 cmds */ unsigned try_rc_10_first:1; /* Try READ_CAPACACITY_10 first */ + unsigned security_supported:1; /* Supports Security Protocols */ unsigned is_visible:1; /* is the device visible in sysfs */ unsigned wce_default_on:1; /* Cache is ON by default */ unsigned no_dif:1; /* T10 PI (DIF) should be disabled */ unsigned broken_fua:1; /* Don't set FUA bit */ unsigned lun_in_cdb:1; /* Store LUN bits in CDB[1] */ - unsigned synchronous_alua:1; /* Synchronous ALUA commands */ atomic_t disk_events_disable_depth; /* disable depth for disk events */ @@ -207,6 +207,7 @@ struct scsi_device { void *handler_data; unsigned char access_state; + struct mutex state_mutex; enum scsi_device_state sdev_state; unsigned long sdev_data[0]; } __attribute__((aligned(sizeof(unsigned long)))); @@ -248,6 +249,7 @@ enum scsi_target_state { STARGET_CREATED = 1, STARGET_RUNNING, STARGET_REMOVE, + STARGET_CREATED_REMOVE, STARGET_DEL, }; @@ -315,7 +317,8 @@ extern void scsi_remove_device(struct scsi_device *); extern int scsi_unregister_device_handler(struct scsi_device_handler *scsi_dh); void scsi_attach_vpd(struct scsi_device *sdev); -extern int scsi_device_get(struct scsi_device *); +extern struct scsi_device *scsi_device_from_queue(struct request_queue *q); +extern int __must_check scsi_device_get(struct scsi_device *); extern void scsi_device_put(struct scsi_device *); extern struct scsi_device *scsi_device_lookup(struct Scsi_Host *, uint, uint, u64); @@ -409,19 +412,16 @@ extern int scsi_is_target_device(const struct device *); extern void scsi_sanitize_inquiry_string(unsigned char *s, int len); extern int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, int data_direction, void *buffer, unsigned bufflen, - unsigned char *sense, int timeout, int retries, - u64 flags, int *resid); -extern int scsi_execute_req_flags(struct scsi_device *sdev, - const unsigned char *cmd, int data_direction, void *buffer, - unsigned bufflen, struct scsi_sense_hdr *sshdr, int timeout, - int retries, int *resid, u64 flags, req_flags_t rq_flags); + unsigned char *sense, struct scsi_sense_hdr *sshdr, + int timeout, int retries, u64 flags, + req_flags_t rq_flags, int *resid); static inline int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd, int data_direction, void *buffer, unsigned bufflen, struct scsi_sense_hdr *sshdr, int timeout, int retries, int *resid) { - return scsi_execute_req_flags(sdev, cmd, data_direction, buffer, - bufflen, sshdr, timeout, retries, resid, 0, 0); + return scsi_execute(sdev, cmd, data_direction, buffer, + bufflen, NULL, sshdr, timeout, retries, 0, 0, resid); } extern void sdev_disable_disk_events(struct scsi_device *sdev); extern void sdev_enable_disk_events(struct scsi_device *sdev); @@ -474,6 +474,10 @@ static inline int scsi_device_created(struct scsi_device *sdev) sdev->sdev_state == SDEV_CREATED_BLOCK; } +int scsi_internal_device_block_nowait(struct scsi_device *sdev); +int scsi_internal_device_unblock_nowait(struct scsi_device *sdev, + enum scsi_device_state new_state); + /* accessor functions for the SCSI parameters */ static inline int scsi_device_sync(struct scsi_device *sdev) { |