diff options
Diffstat (limited to 'include/scsi/scsi_host.h')
| -rw-r--r-- | include/scsi/scsi_host.h | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 5e362489ee8..61a81bf77e2 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -422,6 +422,11 @@ struct scsi_host_template { unsigned char present; /* + * Let the block layer assigns tags to all commands. + */ + unsigned use_blk_tags:1; + + /* * This specifies the mode that a LLD supports. */ unsigned supported_mode:2; @@ -451,11 +456,6 @@ struct scsi_host_template { */ unsigned skip_settle_delay:1; - /* - * True if we are using ordered write support. - */ - unsigned ordered_tag:1; - /* True if the controller does not support WRITE SAME */ unsigned no_write_same:1; @@ -638,6 +638,14 @@ struct Scsi_Host { short unsigned int sg_prot_tablesize; unsigned int max_sectors; unsigned long dma_boundary; + /* + * In scsi-mq mode, the number of hardware queues supported by the LLD. + * + * Note: it is assumed that each hardware queue has a queue depth of + * can_queue. In other words, the total queue depth per host + * is nr_hw_queues * can_queue. + */ + unsigned nr_hw_queues; /* * Used to assign serial numbers to the cmds. * Protected by the host lock. @@ -647,7 +655,6 @@ struct Scsi_Host { unsigned active_mode:2; unsigned unchecked_isa_dma:1; unsigned use_clustering:1; - unsigned use_blk_tcq:1; /* * Host has requested that no further requests come through for the @@ -662,11 +669,6 @@ struct Scsi_Host { */ unsigned reverse_ordering:1; - /* - * Ordered write support - */ - unsigned ordered_tag:1; - /* Task mgmt function in progress */ unsigned tmf_in_progress:1; |