diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-09 19:42:25 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-09 19:42:25 -0800 |
commit | 382f51fe2f2276344d8a21447656778cdf6583b6 (patch) | |
tree | c2836a2cca4126c9c026ce5aa2fdf9f1c8ccded6 /include/scsi/scsi_host.h | |
parent | 701791cc3c8fc6dd83f6ec8af7e2541b4a316606 (diff) | |
parent | 54987386ee3790f3900de4df2ed4deb0e18dfc9f (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (222 commits)
[SCSI] zfcp: Remove flag ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP
[SCSI] zfcp: Activate fc4s attributes for zfcp in FC transport class
[SCSI] zfcp: Block scsi_eh thread for rport state BLOCKED
[SCSI] zfcp: Update FSF error reporting
[SCSI] zfcp: Improve ELS ADISC handling
[SCSI] zfcp: Simplify handling of ct and els requests
[SCSI] zfcp: Remove ZFCP_DID_MASK
[SCSI] zfcp: Move WKA port to zfcp FC code
[SCSI] zfcp: Use common code definitions for FC CT structs
[SCSI] zfcp: Use common code definitions for FC ELS structs
[SCSI] zfcp: Update FCP protocol related code
[SCSI] zfcp: Dont fail SCSI commands when transitioning to blocked fc_rport
[SCSI] zfcp: Assign scheduled work to driver queue
[SCSI] zfcp: Remove STATUS_COMMON_REMOVE flag as it is not required anymore
[SCSI] zfcp: Implement module unloading
[SCSI] zfcp: Merge trace code for fsf requests in one function
[SCSI] zfcp: Access ports and units with container_of in sysfs code
[SCSI] zfcp: Remove suspend callback
[SCSI] zfcp: Remove global config_mutex
[SCSI] zfcp: Replace local reference counting with common kref
...
Diffstat (limited to 'include/scsi/scsi_host.h')
-rw-r--r-- | include/scsi/scsi_host.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 47941fc5aba..c50a97fc76f 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -43,6 +43,12 @@ struct blk_queue_tags; #define DISABLE_CLUSTERING 0 #define ENABLE_CLUSTERING 1 +enum { + SCSI_QDEPTH_DEFAULT, /* default requested change, e.g. from sysfs */ + SCSI_QDEPTH_QFULL, /* scsi-ml requested due to queue full */ + SCSI_QDEPTH_RAMP_UP, /* scsi-ml requested due to threshhold event */ +}; + struct scsi_host_template { struct module *module; const char *name; @@ -294,7 +300,7 @@ struct scsi_host_template { * * Status: OPTIONAL */ - int (* change_queue_depth)(struct scsi_device *, int); + int (* change_queue_depth)(struct scsi_device *, int, int); /* * Fill in this function to allow the changing of tag types @@ -677,6 +683,12 @@ struct Scsi_Host { void *shost_data; /* + * Points to the physical bus device we'd use to do DMA + * Needed just in case we have virtual hosts. + */ + struct device *dma_dev; + + /* * We should ensure that this is aligned, both for better performance * and also because some compilers (m68k) don't automatically force * alignment to a long boundary. @@ -720,7 +732,9 @@ extern int scsi_queue_work(struct Scsi_Host *, struct work_struct *); extern void scsi_flush_work(struct Scsi_Host *); extern struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *, int); -extern int __must_check scsi_add_host(struct Scsi_Host *, struct device *); +extern int __must_check scsi_add_host_with_dma(struct Scsi_Host *, + struct device *, + struct device *); extern void scsi_scan_host(struct Scsi_Host *); extern void scsi_rescan_device(struct device *); extern void scsi_remove_host(struct Scsi_Host *); @@ -731,6 +745,12 @@ extern const char *scsi_host_state_name(enum scsi_host_state); extern u64 scsi_calculate_bounce_limit(struct Scsi_Host *); +static inline int __must_check scsi_add_host(struct Scsi_Host *host, + struct device *dev) +{ + return scsi_add_host_with_dma(host, dev, dev); +} + static inline struct device *scsi_get_device(struct Scsi_Host *shost) { return shost->shost_gendev.parent; |