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authorLinus Torvalds <torvalds@linux-foundation.org>2018-12-29 01:48:06 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-29 01:48:06 +0300
commit938edb8a31b976c9a92eb0cd4ff481e93f76c1f1 (patch)
tree0854d5f6859d51032f1d853eaa8ab0e8647fb0cb /include/scsi/scsi_host.h
parentaf7ddd8a627c62a835524b3f5b471edbbbcce025 (diff)
parentda7903092b880b25971ca9103cb0b934a44ace2b (diff)
downloadlinux-938edb8a31b976c9a92eb0cd4ff481e93f76c1f1.tar.xz
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley: "This is mostly update of the usual drivers: smarpqi, lpfc, qedi, megaraid_sas, libsas, zfcp, mpt3sas, hisi_sas. Additionally, we have a pile of annotation, unused variable and minor updates. The big API change is the updates for Christoph's DMA rework which include removing the DISABLE_CLUSTERING flag. And finally there are a couple of target tree updates" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (259 commits) scsi: isci: request: mark expected switch fall-through scsi: isci: remote_node_context: mark expected switch fall-throughs scsi: isci: remote_device: Mark expected switch fall-throughs scsi: isci: phy: Mark expected switch fall-through scsi: iscsi: Capture iscsi debug messages using tracepoints scsi: myrb: Mark expected switch fall-throughs scsi: megaraid: fix out-of-bound array accesses scsi: mpt3sas: mpt3sas_scsih: Mark expected switch fall-through scsi: fcoe: remove set but not used variable 'port' scsi: smartpqi: call pqi_free_interrupts() in pqi_shutdown() scsi: smartpqi: fix build warnings scsi: smartpqi: update driver version scsi: smartpqi: add ofa support scsi: smartpqi: increase fw status register read timeout scsi: smartpqi: bump driver version scsi: smartpqi: add smp_utils support scsi: smartpqi: correct lun reset issues scsi: smartpqi: correct volume status scsi: smartpqi: do not offline disks for transient did no connect conditions scsi: smartpqi: allow for larger raid maps ...
Diffstat (limited to 'include/scsi/scsi_host.h')
-rw-r--r--include/scsi/scsi_host.h20
1 files changed, 6 insertions, 14 deletions
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index aa760df8c6b3..6ca954e9f752 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -42,9 +42,6 @@ struct scsi_transport_template;
#define MODE_INITIATOR 0x01
#define MODE_TARGET 0x02
-#define DISABLE_CLUSTERING 0
-#define ENABLE_CLUSTERING 1
-
struct scsi_host_template {
struct module *module;
const char *name;
@@ -364,6 +361,11 @@ struct scsi_host_template {
unsigned int max_sectors;
/*
+ * Maximum size in bytes of a single segment.
+ */
+ unsigned int max_segment_size;
+
+ /*
* DMA scatter gather segment boundary limit. A segment crossing this
* boundary will be split in two.
*/
@@ -413,16 +415,6 @@ struct scsi_host_template {
unsigned unchecked_isa_dma:1;
/*
- * True if this host adapter can make good use of clustering.
- * I originally thought that if the tablesize was large that it
- * was a waste of CPU cycles to prepare a cluster list, but
- * it works out that the Buslogic is faster if you use a smaller
- * number of segments (i.e. use clustering). I guess it is
- * inefficient.
- */
- unsigned use_clustering:1;
-
- /*
* True for emulated SCSI host adapters (e.g. ATAPI).
*/
unsigned emulated:1;
@@ -596,6 +588,7 @@ struct Scsi_Host {
short unsigned int sg_tablesize;
short unsigned int sg_prot_tablesize;
unsigned int max_sectors;
+ unsigned int max_segment_size;
unsigned long dma_boundary;
/*
* In scsi-mq mode, the number of hardware queues supported by the LLD.
@@ -613,7 +606,6 @@ struct Scsi_Host {
unsigned active_mode:2;
unsigned unchecked_isa_dma:1;
- unsigned use_clustering:1;
/*
* Host has requested that no further requests come through for the