summaryrefslogtreecommitdiff
path: root/include/scsi/scsi_host.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/scsi/scsi_host.h')
-rw-r--r--include/scsi/scsi_host.h17
1 files changed, 11 insertions, 6 deletions
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index f577647bf5f2..822e8cda8d9b 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -62,6 +62,9 @@ struct scsi_host_template {
void __user *arg);
#endif
+ int (*init_cmd_priv)(struct Scsi_Host *shost, struct scsi_cmnd *cmd);
+ int (*exit_cmd_priv)(struct Scsi_Host *shost, struct scsi_cmnd *cmd);
+
/*
* The queuecommand function is used to queue up a scsi
* command block to the LLDD. When the driver finished
@@ -426,9 +429,6 @@ struct scsi_host_template {
/* True if the controller does not support WRITE SAME */
unsigned no_write_same:1;
- /* True if the low-level driver supports blk-mq only */
- unsigned force_blk_mq:1;
-
/*
* Countdown for host blocking with no commands outstanding.
*/
@@ -627,8 +627,6 @@ struct Scsi_Host {
/* The controller does not support WRITE SAME */
unsigned no_write_same:1;
- unsigned use_cmd_list:1;
-
/* Host responded with short (<36 bytes) INQUIRY result */
unsigned short_inquiry:1;
@@ -685,7 +683,7 @@ struct Scsi_Host {
* and also because some compilers (m68k) don't automatically force
* alignment to a long boundary.
*/
- unsigned long hostdata[0] /* Used for storage of host specific stuff */
+ unsigned long hostdata[] /* Used for storage of host specific stuff */
__attribute__ ((aligned (sizeof(unsigned long))));
};
@@ -735,6 +733,8 @@ extern int scsi_host_busy(struct Scsi_Host *shost);
extern void scsi_host_put(struct Scsi_Host *t);
extern struct Scsi_Host *scsi_host_lookup(unsigned short);
extern const char *scsi_host_state_name(enum scsi_host_state);
+extern void scsi_host_complete_all_commands(struct Scsi_Host *shost,
+ int status);
static inline int __must_check scsi_add_host(struct Scsi_Host *host,
struct device *dev)
@@ -759,6 +759,11 @@ static inline int scsi_host_scan_allowed(struct Scsi_Host *shost)
extern void scsi_unblock_requests(struct Scsi_Host *);
extern void scsi_block_requests(struct Scsi_Host *);
+extern int scsi_host_block(struct Scsi_Host *shost);
+extern int scsi_host_unblock(struct Scsi_Host *shost, int new_state);
+
+void scsi_host_busy_iter(struct Scsi_Host *,
+ bool (*fn)(struct scsi_cmnd *, void *, bool), void *priv);
struct class_container;