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authorChristoph Hellwig <hch@lst.de>2017-08-25 18:37:41 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2017-08-30 04:51:45 +0300
commit651a013649943710a900551ec6e03d2084e1a65a (patch)
tree14a92a3104c919eb439970de5471643b6f915ffc /include/scsi/scsi_transport_sas.h
parenteaa79a6cd733e1f978613a5fcf5f7c1cdb38eb2a (diff)
downloadlinux-651a013649943710a900551ec6e03d2084e1a65a.tar.xz
scsi: scsi_transport_sas: switch to bsg-lib for SMP passthrough
Simplify the SMP passthrough code by switching it to the generic bsg-lib helpers that abstract away the details of the request code, and gets drivers out of seeing struct scsi_request. For the libsas host SMP code there is a small behavior difference in that we now always clear the residual len for successful commands, similar to the three other SMP handler implementations. Given that there is no partial command handling in the host SMP handler this should not matter in practice. [mkp: typos and checkpatch fixes] Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/scsi/scsi_transport_sas.h')
-rw-r--r--include/scsi/scsi_transport_sas.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index 73d870918939..a23304b7fb2e 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -5,6 +5,7 @@
#include <linux/types.h>
#include <linux/mutex.h>
#include <scsi/sas.h>
+#include <linux/bsg-lib.h>
struct scsi_transport_template;
struct sas_rphy;
@@ -176,7 +177,8 @@ struct sas_function_template {
int (*phy_setup)(struct sas_phy *);
void (*phy_release)(struct sas_phy *);
int (*set_phy_speed)(struct sas_phy *, struct sas_phy_linkrates *);
- int (*smp_handler)(struct Scsi_Host *, struct sas_rphy *, struct request *);
+ void (*smp_handler)(struct bsg_job *, struct Scsi_Host *,
+ struct sas_rphy *);
};