diff options
Diffstat (limited to 'include/scsi')
| -rw-r--r-- | include/scsi/libfc.h | 2 | ||||
| -rw-r--r-- | include/scsi/libiscsi.h | 3 | ||||
| -rw-r--r-- | include/scsi/libsas.h | 3 | ||||
| -rw-r--r-- | include/scsi/scsi_host.h | 8 |
4 files changed, 12 insertions, 4 deletions
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index 1662d73d85a7..9617f9365e45 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -919,7 +919,7 @@ int fc_slave_alloc(struct scsi_device *sdev); /* * Adjust the queue depth. */ -int fc_change_queue_depth(struct scsi_device *sdev, int qdepth); +int fc_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason); /* * Change the tag type. diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index a72edd4eceec..2db2bc26b1e9 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -333,7 +333,8 @@ struct iscsi_host { /* * scsi host template */ -extern int iscsi_change_queue_depth(struct scsi_device *sdev, int depth); +extern int iscsi_change_queue_depth(struct scsi_device *sdev, int depth, + int reason); extern int iscsi_eh_abort(struct scsi_cmnd *sc); extern int iscsi_eh_target_reset(struct scsi_cmnd *sc); extern int iscsi_eh_device_reset(struct scsi_cmnd *sc); diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index e78d3b62d8ec..9eaa3f05f954 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -634,7 +634,8 @@ extern int sas_target_alloc(struct scsi_target *); extern int sas_slave_alloc(struct scsi_device *); extern int sas_slave_configure(struct scsi_device *); extern void sas_slave_destroy(struct scsi_device *); -extern int sas_change_queue_depth(struct scsi_device *, int new_depth); +extern int sas_change_queue_depth(struct scsi_device *, int new_depth, + int reason); extern int sas_change_queue_type(struct scsi_device *, int qt); extern int sas_bios_param(struct scsi_device *, struct block_device *, diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 6e728b176904..603054d8f40c 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 |
